CN102699997A - Longitudinal post-tensioned prestressed beam moving system and method - Google Patents

Longitudinal post-tensioned prestressed beam moving system and method Download PDF

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Publication number
CN102699997A
CN102699997A CN2012101877219A CN201210187721A CN102699997A CN 102699997 A CN102699997 A CN 102699997A CN 2012101877219 A CN2012101877219 A CN 2012101877219A CN 201210187721 A CN201210187721 A CN 201210187721A CN 102699997 A CN102699997 A CN 102699997A
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China
Prior art keywords
template
girder
fork
prestressed
rail
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CN2012101877219A
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CN102699997B (en
Inventor
张宝利
孙飞
秦志军
王纯玉
隋忠庆
高志斌
于德福
金祥义
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Sixth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
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Sixth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
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Abstract

The invention discloses a longitudinal post-tensioned prestressed beam moving system and a longitudinal post-tensioned prestressed beam moving method, and solves the technical problem that the production period of a beam is long because time for occupying a beam manufacturing station is long in the prior art. Manual lifting support platforms (19) are arranged between prestressed beam side template vertical outer support rods (18) and the ground; a prestressed beam bottom template (10) is fixedly arranged on the top surface of a transverse fixing frame (9); the transverse fixing frame (9) is fixedly arranged on the top surface of a template vertical support platform (8); the template vertical support platform (8) is fixedly arranged on the upper surface of a beam manufacturing pedestal bottom plate (1); a pair of steel rail clamping block groups is fixedly arranged on the lower surface of the beam manufacturing pedestal bottom plate (1) symmetrically; the tops of I-shaped steel rails (4) are movably arranged in clamping grooves formed by steel rail left clamping blocks (2) and steel rail right clamping blocks (3); and the bottoms of the I-shaped steel rails (4) are movably arranged on rollers (5) on the ground. The production period of the beam is shortened, and cost is reduced.

Description

Post tentioned prestressed concrete girder vertically moves girder system system and vertical beam shifting method
Technical field
The present invention relates to a kind of method that employed concrete freely-supported T beam moves the device of beam operation and moves beam when building railway line.
Background technology
When bearing the rail channel construction task, generally be to build the construction of carrying out bridge pier and roadbed on the line at rail channel earlier, with the bridge formation machine prefabricated post tentioned prestressed concrete girder is erected on the ready-made bridge pier then.Post tentioned prestressed concrete girder is generally in the prefabricated completion of beam making field, and prefabricated process mainly comprises the system beam and move two processes of beam, prefabricated beam earlier on beam making bench, then with the Liang Yiliang that makes to depositing the beam station.The beam that moves of prior art is after will waiting until that prefabricated beam solidifies, and after finishing the demoulding, just can move the beam operation, exists system beam station holding time long, and then the production cycle of the beam that extended, and has reduced the problem of production efficiency.Big and the tighter Liang Chang of duration for task amount, the existing girder system system that moves can not satisfy production requirement.
Summary of the invention
The invention provides a kind of post tentioned prestressed concrete girder and vertically move girder system system and vertical beam shifting method, the system beam station holding time that has solved the prior art existence is long, causes the long technical problem of production cycle of beam.
The present invention overcomes the above problems through following scheme:
A kind of post tentioned prestressed concrete girder vertically moves the girder system system; Comprise prestressed girder side template and prestressed girder end template; The bottom of prestressed girder side template be respectively arranged with the vertical inner bracing piece of prestressed girder side template and prestressed girder side template vertical outside support bar; Outside the prestressed girder side template is vertical, be provided with the hand-operated lifting brace table between support bar and the ground, the prestressed girder end template is fixedly installed on the end face of crosswise fixed framework, and the crosswise fixed frame fixation is arranged on the end face of the vertical support platform of template; The vertical support platform of template is fixedly installed on the upper surface of beam making bench base plate; The following of two prestressed girder side templates is arranged in the crosswise fixed framework pull bar, on the lower surface of beam making bench base plate, is set with a pair of rail fixture block group symmetrically, and each rail fixture block group is made up of rail left side fixture block and the right fixture block of rail; The top of I-shaped rail is movably arranged in the draw-in groove of being made up of rail left side fixture block and the right fixture block of rail; The bottom of I-shaped rail is movably arranged on the roller, and roller is arranged on the rolling wheel support, and rolling wheel support fixes on the ground through bracket fixing bolt.
Two ends at the upper surface of beam making bench base plate are provided with the mould emptier brace table; The mould emptier brace table is provided with V-arrangement fork bracing frame and the rotating shaft of T shape fork; V-arrangement fork bracing frame is provided with the rotating shaft of V-arrangement fork; One end activity cross-under of V-arrangement fork is in the rotating shaft of V-arrangement fork; The end face movable top of the other end of V-arrangement fork is connected on the bottom surface of the vertical inner bracing piece of prestressed girder side template, between the upper surface of the bottom surface of the other end of V-arrangement fork and beam making bench base plate, is movably set with the head of T shape fork, and the afterbody cross-under of T shape fork is in the rotating shaft of T shape fork.
The vertical beam shifting method of a kind of post tentioned prestressed concrete girder may further comprise the steps:
The first step, on the concrete pedestal that vertically moves the beam slideway, longitudinally slideway fixedly installs two row's roller devices, the roller support that is about to be provided with roller is fixed on the concrete pedestal through the bracket fixing bolt compartment of terrain;
Second goes on foot, movable rail is inserted between the rail left side fixture block and the right fixture block of rail under the pedestal base plate, will be placed on by the steel construction beam making bench that pedestal base plate, the vertical support platform of template, template crosswise fixed framework and bed die are formed then on two row's rollers;
The 3rd step, the steel skeleton of post tentioned prestressed concrete girder is placed on the steel construction beam making bench; Rotate T shape fork; Swing V-arrangement fork is arranged on the head top surface of being inverted the flat T shape fork that crouches the head of V-arrangement fork, and the side template of post tentioned prestressed concrete girder is installed; The vertical inner bracing piece of template is arranged on the last end face of head of V-arrangement fork; The vertical outer supporting elevation bar of manual adjustments template, the top apical grafting that makes the vertical outer supporting elevation bar of template will descend pull bar is arranged in the template crosswise fixed framework on the bottom surface of the lateral branch strut of side template;
The 4th step, cast concrete are accomplished the system beam;
The 5th goes on foot, manually reduces the vertical outer supporting elevation bar of template, makes it to break away from the lateral branch strut of side template;
The 6th step, with hoist engine traction steel construction beam making bench, move beam to the terminal point that vertically moves the beam slideway;
The 7th step, when waiting to make the beam concrete and reaching demoulding requirement; Knock the afterbody of T shape fork with iron hammer; Make it turn to the support of disengaging to the head of V-arrangement fork; At this moment the V-arrangement fork round the rotating shaft of V-arrangement fork to lower swing, thereby break away from support to the vertical inner bracing piece of template, post tentioned prestressed concrete girder is carried out the demoulding;
The 8th goes on foot, the post tentioned prestressed concrete girder after the demoulding is removed with hoisting apparatus, and the steel construction beam making bench is back into initial system beam position along two row's rollers;
The 9th step, repetition the 3rd go on foot the step in the 8th step and descend the system beam of a slice beam and move beam.
The present invention has accelerated the production cycle of beam, has reduced production cost, is particularly suitable for the Liang Chang that task amount is big and construction period is tight and uses.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
A kind of post tentioned prestressed concrete girder vertically moves the girder system system; Comprise prestressed girder side template and prestressed girder end template 10; The bottom of prestressed girder side template be respectively arranged with the vertical inner bracing piece of prestressed girder side template 16 with the prestressed girder side template vertical outside support bar 18; Outside the prestressed girder side template is vertical, be provided with hand-operated lifting brace table 19 between support bar 18 and the ground, prestressed girder end template 10 is fixedly installed on the end face of crosswise fixed framework 9, and crosswise fixed framework 9 is fixedly installed on the end face of the vertical support platform 8 of template; The vertical support platform 8 of template is fixedly installed on the upper surface of beam making bench base plate 1; The following of two prestressed girder side templates is arranged in the crosswise fixed framework 9 pull bar 17, on the lower surface of beam making bench base plate 1, is set with a pair of rail fixture block group symmetrically, and each rail fixture block group is made up of rail left side fixture block 2 and the right fixture block 3 of rail; The top of I-shaped rail 4 is movably arranged in the draw-in groove of being made up of rail left side fixture block 2 and the right fixture block 3 of rail; The bottom of I-shaped rail 4 is movably arranged on the roller 5, and roller 5 is arranged on the rolling wheel support 6, and rolling wheel support 6 fixes on the ground through bracket fixing bolt 7.Behind the precast beam casting complete that is in system beam station, promptly available hoist engine traction beam making bench moves apart system beam station along the roller slideway beam that the cast on it is good, vacates system beam station and descends the prefabricated of a slice beam at once.
Two ends at the upper surface of beam making bench base plate 1 are provided with mould emptier brace table 11; Mould emptier brace table 11 is provided with V-arrangement fork bracing frame 12 and T shape fork rotating shaft 14; V-arrangement fork bracing frame 12 is provided with V-arrangement fork rotating shaft 13; One end activity cross-under of V-arrangement fork is in V-arrangement fork rotating shaft 13; The end face movable top of the other end of V-arrangement fork is connected on the bottom surface of the vertical inner bracing piece 16 of prestressed girder side template, between the upper surface of the bottom surface of the other end of V-arrangement fork and beam making bench base plate 1, is movably set with the head of T shape fork 15, and the afterbody cross-under of T shape fork 15 is in T shape fork rotating shaft 14.After being solidified by prefabricated beam; Knock the afterbody of T shape fork 15 with the iron hammer along continuous straight runs; Make the head of T shape fork 15 break away from support, carry out stripping operation then, at last beam is hung beam making bench the V-arrangement fork; The beam making bench of vacating is back into system beam station again along the roller slideway, following a slice beam prefabricated.
The vertical beam shifting method of a kind of post tentioned prestressed concrete girder may further comprise the steps:
The first step, on the concrete pedestal that vertically moves the beam slideway, longitudinally slideway fixedly installs two row's roller devices, the roller support 6 that is about to be provided with roller 5 is fixed on the concrete pedestal through bracket fixing bolt 7 compartment of terrains;
Second step, movable rail 4 is inserted between the rail left side fixture block 2 and the right fixture block 3 of rail under the pedestal base plate 1, will be placed on two by the steel construction beam making bench that the vertical support platform of pedestal base plate 1, template 8, template crosswise fixed framework 9 and bed die 10 are formed then and arranges on the rollers 5;
The 3rd step, the steel skeleton of post tentioned prestressed concrete girder is placed on the steel construction beam making bench; Rotate T shape fork 15; Swing V-arrangement fork is arranged on the head top surface of being inverted the flat T shape fork 15 that crouches the head of V-arrangement fork, and the side template of post tentioned prestressed concrete girder is installed; The vertical inner bracing piece 16 of template is arranged on the last end face of head of V-arrangement fork; The vertical outer supporting elevation bar 19 of manual adjustments template, the top apical grafting that makes the vertical outer supporting elevation bar 19 of template will descend pull bar 17 is arranged in the template crosswise fixed framework 9 on the bottom surface of the lateral branch strut 18 of side template;
The 4th step, cast concrete are accomplished the system beam;
The 5th goes on foot, manually reduces the vertical outer supporting elevation bar 19 of template, makes it to break away from the lateral branch strut 18 of side template;
The 6th step, with hoist engine traction steel construction beam making bench, move beam to the terminal point that vertically moves the beam slideway;
The 7th step, when waiting to make the beam concrete and reaching demoulding requirement; Knock the afterbody of T shape fork 15 with iron hammer; Make it turn to the support of disengaging to the head of V-arrangement fork; At this moment the V-arrangement fork round the rotating shaft 13 of V-arrangement fork to lower swing, thereby break away from support to the vertical inner bracing piece 16 of template, post tentioned prestressed concrete girder is carried out the demoulding;
The 8th goes on foot, the post tentioned prestressed concrete girder after the demoulding is removed with hoisting apparatus, and the steel construction beam making bench is back into initial system beam position along two row's rollers;
The 9th step, repetition the 3rd go on foot the step in the 8th step and descend the system beam of a slice beam and move beam.

Claims (3)

1. a post tentioned prestressed concrete girder vertically moves the girder system system; Comprise prestressed girder side template and prestressed girder end template (10); The bottom of prestressed girder side template be respectively arranged with the vertical inner bracing piece of prestressed girder side template (16) and prestressed girder side template vertical outside support bar (18); It is characterized in that; Outside the prestressed girder side template is vertical, be provided with hand-operated lifting brace table (19) between support bar (18) and the ground, prestressed girder end template (10) is fixedly installed on the end face of crosswise fixed framework (9), and crosswise fixed framework (9) is fixedly installed on the end face of the vertical support platform of template (8); The vertical support platform of template (8) is fixedly installed on the upper surface of beam making bench base plate (1); The following of two prestressed girder side templates is arranged in the crosswise fixed framework (9) pull bar (17), on the lower surface of beam making bench base plate (1), is set with a pair of rail fixture block group symmetrically, and each rail fixture block group is made up of rail left side fixture block (2) and the right fixture block of rail (3); The top of I-shaped rail (4) is movably arranged in the draw-in groove of being made up of rail left side fixture block (2) and the right fixture block of rail (3); The bottom of I-shaped rail (4) is movably arranged on the roller (5), and roller (5) is arranged on the rolling wheel support (6), and rolling wheel support (6) fixes on the ground through bracket fixing bolt (7).
2. a kind of post tentioned prestressed concrete girder according to claim 1 vertically moves the girder system system; It is characterized in that; Two ends at the upper surface of beam making bench base plate (1) are provided with mould emptier brace table (11); Mould emptier brace table (11) is provided with V-arrangement fork bracing frame (12) and T shape fork rotating shaft (14); V-arrangement fork bracing frame (12) is provided with V-arrangement fork rotating shaft (13), and an end activity cross-under of V-arrangement fork is in V-arrangement fork rotating shaft (13), and the end face movable top of the other end of V-arrangement fork is connected on the bottom surface of the vertical inner bracing piece of prestressed girder side template (16); Between the upper surface of the bottom surface of the other end of V-arrangement fork and beam making bench base plate (1), be movably set with the head of T shape fork (15), the afterbody cross-under of T shape fork (15) is in T shape fork rotating shaft (14).
3. vertical beam shifting method of post tentioned prestressed concrete girder may further comprise the steps:
The first step, on the concrete pedestal that vertically moves the beam slideway, longitudinally slideway fixedly install two row roller devices, the roller support (6) that is about to be provided with roller (5) is fixed on the concrete pedestal through bracket fixing bolt (7) compartment of terrain;
Second goes on foot, movable rail (4) is inserted between the rail left side fixture block (2) and the right fixture block of rail (3) under the pedestal base plate (1), will be placed on by the steel construction beam making bench that pedestal base plate (1), the vertical support platform of template (8), template crosswise fixed framework (9) and bed die (10) are formed then on two row's rollers (5);
The 3rd step, the steel skeleton of post tentioned prestressed concrete girder is placed on the steel construction beam making bench; Rotate T shape fork (15); Swing V-arrangement fork is arranged on the head top surface of being inverted the flat T shape fork (15) that crouches the head of V-arrangement fork, and the side template of post tentioned prestressed concrete girder is installed; The vertical inner bracing piece of template (16) is arranged on the last end face of head of V-arrangement fork; The vertical outer supporting elevation bar (19) of manual adjustments template, the top apical grafting that makes the vertical outer supporting elevation bar (19) of template will descend pull bar (17) is arranged in the template crosswise fixed framework (9) on the bottom surface of the lateral branch strut (18) of side template;
The 4th step, cast concrete are accomplished the system beam;
The 5th goes on foot, manually reduces the vertical outer supporting elevation bar (19) of template, makes it to break away from the lateral branch strut (18) of side template;
The 6th step, with hoist engine traction steel construction beam making bench, move beam to the terminal point that vertically moves the beam slideway;
The 7th step, when waiting to make the beam concrete and reaching demoulding requirement; Knock the afterbody of T shape fork (15) with iron hammer; Make it turn to the support of disengaging to the head of V-arrangement fork; At this moment the V-arrangement fork round V-arrangement fork rotating shaft (13) to lower swing, thereby break away from support to the vertical inner bracing piece of template (16), post tentioned prestressed concrete girder is carried out the demoulding;
The 8th goes on foot, the post tentioned prestressed concrete girder after the demoulding is removed with hoisting apparatus, and the steel construction beam making bench is back into initial system beam position along two row's rollers;
The 9th step, repetition the 3rd go on foot the step in the 8th step and descend the system beam of a slice beam and move beam.
CN201210187721.9A 2012-06-08 2012-06-08 Longitudinal post-tensioned prestressed beam moving system and method Active CN102699997B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105599134A (en) * 2015-12-24 2016-05-25 中民筑友有限公司 Prestressed beam production bench formwork and prestressed beam production technology
CN109366695A (en) * 2017-08-10 2019-02-22 比亚迪股份有限公司 Template component and track girder production method for track girder production

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CN201560587U (en) * 2009-09-28 2010-08-25 中国建筑土木建设有限公司 Box beam tensioning rack adopting post-tensioning method
CN101967800A (en) * 2010-11-17 2011-02-09 中铁二十四局集团有限公司 Erecting, pushing and sliding method of steel box beam
CN202185976U (en) * 2011-08-31 2012-04-11 广东省长大公路工程有限公司 Prestressed stretching-drawing working bracket for prefabricated beam slab
CN202702391U (en) * 2012-06-08 2013-01-30 中铁十九局集团第六工程有限公司 Longitudinal girder shifting system of post-tensioned prestressed girder

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CN201560587U (en) * 2009-09-28 2010-08-25 中国建筑土木建设有限公司 Box beam tensioning rack adopting post-tensioning method
CN101967800A (en) * 2010-11-17 2011-02-09 中铁二十四局集团有限公司 Erecting, pushing and sliding method of steel box beam
CN202185976U (en) * 2011-08-31 2012-04-11 广东省长大公路工程有限公司 Prestressed stretching-drawing working bracket for prefabricated beam slab
CN202702391U (en) * 2012-06-08 2013-01-30 中铁十九局集团第六工程有限公司 Longitudinal girder shifting system of post-tensioned prestressed girder

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105599134A (en) * 2015-12-24 2016-05-25 中民筑友有限公司 Prestressed beam production bench formwork and prestressed beam production technology
CN109366695A (en) * 2017-08-10 2019-02-22 比亚迪股份有限公司 Template component and track girder production method for track girder production

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