CN109487706B - Assembling type sectional bent cap mounting device and method - Google Patents
Assembling type sectional bent cap mounting device and method Download PDFInfo
- Publication number
- CN109487706B CN109487706B CN201811529352.0A CN201811529352A CN109487706B CN 109487706 B CN109487706 B CN 109487706B CN 201811529352 A CN201811529352 A CN 201811529352A CN 109487706 B CN109487706 B CN 109487706B
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- calibration
- capping beam
- movable sliding
- bent cap
- sliding support
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Abstract
The invention discloses an assembly type sectional capping beam mounting device which comprises a calibration reaction device, a movable sliding support, a calibration emission device and a joist support. The calibration reaction device is connected with the segmented capping beam; the mobile sliding support consists of a mobile sliding rail, and the calibration launching device is connected with the pier stud; the lower joist bracket consists of an inclined strut and a jack; the calibration reaction device is internally provided with an infrared laser receiving device, the calibration transmitting device is internally provided with an infrared laser transmitting probe, the segmented bent cap is arranged on a movable sliding support, and the movable sliding support is arranged on a joist of the pier stud through a jack. The calibration reaction device controls the brightness of the top calibration indicator lamp through an internal infrared induction system; the movable support slides and realizes the alignment of the bent cap and the pier stud through finely adjusting the position of the bent cap, thereby realizing the installation accuracy. The invention has wide application prospect in the field of installation of the assembled sectional bent cap.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to an assembly type sectional capping beam installation device and method.
Background
The prior prefabricated bridge in China has great development in recent years on the basis of the traditional prefabricated plate girder, box girder and T-shaped girder. Components such as precast tubular piles, precast bridges, precast abutment platforms, precast capping beams, precast bridge decks, precast anti-collision walls and the like begin to appear, and the rudiments of the fully assembled bridges are displayed. The Hangzhou bay bridge which is built in the beginning of 2003 uses prefabricated concrete bridge members. In particular, the hong Zhu-Australia bridge. The large-scale, industrialization and assembly of bridge construction are realized, and the core content is the prefabrication and assembly of bridge members. Wherein a prefabricated bearing platform pier body is arranged. And the integrated prefabrication production of the prefabricated box girder, the prefabricated immersed tube, the bearing platform and the pier stud is realized.
In the aspect of highways and municipal prefabricated bridges, a plurality of attempts and practices are made in recent years in Anhui province and Shanghai city, and breakthrough progress is made. In the s6 highway viaduct engineering in the Shanghai city in 2010, the upright posts and the bent caps start to adopt a construction method of 'steel bar modularization and upright post without support', and are widely popularized and applied in the project construction of s26 highway, Kun shan Zhong loop and the like. In the construction of the northbound engineering of Jiaminhi shelf in 2014, the construction technology of 'bridge prefabrication and assembly' initiated in China is adopted, and the full prefabrication and assembly construction technology is applied and implemented comprehensively. The advance idea and construction technology of prefabricating, segmenting and splicing construction are adopted in Huaihe river section of Qiqi expressway in Anhui province in 2015, and development of prefabricated assembled bridge is greatly promoted
The prefabricated assembly type industrial bridge construction technology reduces quality flaws of field manual operation, reduces field labor force, reduces pollution of dust, slurry, noise and the like, saves land, reduces cost investment, saves manpower and material resources, improves construction progress of engineering, obviously improves engineering progress, and is safe and controllable.
However, the existing prefabrication and assembly technology has some defects, connecting holes and connecting steel bars are reserved at the joints of the sections of the prefabricated sectional bridge, and because the traditional methods of manual hoisting and manual elevation measurement are still used when the prefabricated bridge is installed at the current stage, certain manual installation deviation exists at the joints at the installation stage.
Disclosure of Invention
In order to solve the problems, the invention discloses an assembly type sectional bent cap mounting device and method, which can calibrate connection during bent cap mounting, ensure complete fit among sections, reduce alignment deviation generated in the mounting process and greatly improve the assembly precision.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an assembly type sectional bent cap mounting device comprises a calibration reaction device, a movable sliding support, a calibration emission device and a joist support; wherein the calibration reaction device is connected with the segmented capping beam through bolts; wherein the movable sliding support consists of a movable sliding rail; the calibration transmitting device is connected with the pier stud through a bolt; wherein the joist bracket consists of an inclined strut and a jack; the calibration reaction device is internally provided with an infrared laser receiving device, a calibration indicator lamp is arranged above the calibration reaction device, the calibration emitting device is internally provided with an infrared laser emitting probe, the segmented bent cap is arranged on a slide rail of the movable sliding support, the movable sliding support is arranged on a joist of the pier stud through a jack, and the calibration reaction device controls the brightness of the top calibration indicator lamp through the internal infrared laser receiving device; the movable sliding support achieves alignment of the bent cap and the pier stud through fine adjustment of the position of the bent cap, and therefore installation accuracy is achieved.
Furthermore, the movable sliding support is composed of double-layer sliding rails, wherein a transverse sliding rail is arranged on the support supporting beam, a supporting frame is connected above the transverse sliding rail through a sliding block, a longitudinal sliding rail is arranged on the supporting frame, and the segmented bent cap is arranged on the longitudinal sliding rail. The calibration transmitting device is fixed on the pier stud and internally provided with an infrared laser transmitting probe, the bent cap can transversely move with the longitudinal movement position on the movable sliding support, the calibration reaction device is internally provided with an infrared laser receiving device, the light and shade of the top calibration indicator lamp are controlled by the device, infrared laser generated by the infrared laser transmitting probe upwards irradiates the receiving area of the infrared laser receiving device through the inner sleeve, and calibration in structural installation is carried out through the light and shade of the calibration indicator lamp.
Furthermore, each accessory of the movable sliding support is connected through bolts and can be detached.
Furthermore, the calibration reaction device and the calibration transmitting device are connected with the prefabricated sections through bolt holes reserved in the front steel plate and the rear steel plate, and the movable sliding support is connected with each other through high-strength bolts to achieve detachable convenience.
The method for installing the assembled sectional capping beam comprises the following steps:
the first step is as follows: connecting a joist and an inclined strut pre-embedded on a pier stud through a high-strength bolt, erecting a jack on the joist, and installing a movable sliding support assembled through the high-strength bolt on the jack;
the second step is that: the segmented capping beam is placed in a groove of a capping beam reserved on the movable sliding support by a large hoisting device, the calibration reaction device is connected with the segmented capping beam through a reserved bolt hole, and the calibration emission device is connected with the pier stud through a reserved bolt hole;
the third step: opening the calibration reaction device and the calibration emission device, and continuously adjusting the position of the bent cap by using a sliding rail on the movable sliding support until the calibration lamp flickers to stop the bent cap to adjust and push;
the fourth step: when the calibration lamps around the device all flicker, the jack of the lower joist begins to be loosened slowly at the moment to enable the capping beam section to be connected with the pier stud, and the movable sliding support is removed after the capping beam and the pier stud are butted, so that the construction of the assembled hoisting is completed.
The invention has the beneficial effects that:
the device has the advantages of simple structure, convenience in use and wide application prospect in the construction and installation of the fabricated bridge.
Drawings
Fig. 1 is a schematic structural diagram of an assembled sectional capping beam installation and calibration device of the present invention.
FIG. 2 is a top view of a alignment reactor assembly of the fabricated segmented capping beam installation alignment apparatus of the present invention;
FIG. 3 is a top view of a calibration launching device of a fabricated segmented capping beam installation calibration device of the present invention;
FIG. 4 is a left side view of the calibration reaction apparatus;
FIG. 5 is a left side view of the calibration transmitting device;
FIG. 6 is a front view of a calibration reaction apparatus;
FIG. 7 is a front view of a calibration transmitting device;
FIG. 8 is a top view of the mobile glide carriage;
FIG. 9 is a front view of the mobile glide carriage;
FIG. 10 is a schematic diagram of an infrared reaction system.
List of reference numerals:
a calibration indicator lamp 1; a hollow splint 2; reserving a bolt hole 3; a fixed plate 4; a circular sleeve 6; calibrating the reaction device 7; an infrared laser receiving device 8; a focusing lens 9; an infrared laser emission probe 10; calibrating the emitting device 11; a support frame 12; a jack 13; a joist 14; a support beam 15; a jack slot 16; a transverse slide rail 17; a longitudinal slide 18; a capping beam 19; pier stud 20.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
Example 1
In the upper calibration reactor shown in FIGS. 1-7: the calibration indicator light 1 is cemented on the top of the calibration reaction device 7 through epoxy resin; the fixed plate 4 is welded with four edges of the hollow clamping plate 2; the round sleeve 6 is connected with the calibration reaction device 7 through epoxy resin; the infrared laser receiving device 8 is arranged in the sleeve, the sleeve which is the same as the round sleeve 6 is arranged outside the infrared laser receiving device 8, and the upper sleeve and the lower sleeve are in the same straight line after final calibration.
In the lower calibration emitting device: the fixed plate 4 is welded with four edges of the hollow clamping plate 2; the round sleeve 6 is connected with the calibration transmitting device 11 through epoxy resin; the focusing lens 9 is connected with the round sleeve 6 through epoxy resin; an infrared laser emitting probe 10 is located inside the circular sleeve 6. The fixed plate 4 is provided with a reserved bolt hole 3, so that after calibration, the upper device and the lower device are respectively connected with the corresponding bent cap section and the pier stud.
Example 2
On the basis of embodiment 1, the infrared laser generated by the calibration transmitting device 11 is emitted upwards through the inner circular sleeve 6, the cover beam 19 is moved transversely and longitudinally on the movable sliding support, when the calibration transmitting device 11 and the calibration reaction device 7 are on the same axis, the infrared laser emitted by the infrared laser emitting probe 10 is emitted to the infrared laser receiving device 8, and the calibration indicator lamp 1 is lighted, so that the calibration in the structural installation is completed.
Wherein the schematic diagram of the infrared reaction system is shown in FIG. 10, the value of the infrared photoresponsive resistance in the infrared laser receiving device in the initial case of misalignment is R1In the dim light or dark state:
R1→∞
the current I inside the system is:
because the resistance value of the infrared photoresistor is infinite at the moment, the current in the system is zero at the moment, and the calibration lamp is not on.
When calibration is started, when infrared laser of an infrared laser emitting device in the calibration emitting device irradiates the infrared receiving device through the focusing lens, the resistance value of the infrared photosensitive resistor is as follows:
R1→0
so that the internal current I of the system at this time1Comprises the following steps:
the surrounding alignment lights are illuminated at this time, indicating that the connection of the capping beam and the pier stud during installation is a precise butt joint, and the capping beam can be dropped in the manner at this time to further connect the capping beam 19 and the pier stud 20.
Example 3
As shown in fig. 8-9, the movable sliding support is composed of a sliding rail, a support supporting beam 15 and a support frame 12, the sliding rail includes a transverse sliding rail 17 and a longitudinal sliding rail 18, the transverse sliding rail 17 is disposed on the support supporting beam 15, the support frame 12 is connected above the transverse sliding rail 17 through a sliding block, the longitudinal sliding rail 18 is disposed on the support frame 12, and the segmented cover beam 19 is disposed on the longitudinal sliding rail 18. At least one jack groove is arranged below the supporting beam 15; in addition, the sliding rail is coated with a large amount of lubricating oil to reduce friction generated during movement to the maximum extent.
Adopt the high-strength bolt to be connected between slide rail, the support supporting beam 15 and the support frame 12, after the accurate butt joint of bent cap 19 and pier stud 20, fall jack 13, the bent cap falls down, is connected bent cap 19 and pier stud 20, will remove after the connection and slide each accessory of support and demolish easy operation convenience, work efficiency is high.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (5)
1. The utility model provides an assembled segmentation bent cap installation device which characterized in that: the device comprises a calibration reaction device, a movable sliding support, a calibration emission device and a joist support; wherein the calibration reaction device is connected with the segmented capping beam through bolts; wherein the movable sliding support consists of a movable sliding rail; the calibration transmitting device is connected with the pier stud through a bolt; wherein the joist bracket consists of an inclined strut and a jack; the calibration reaction device is internally provided with an infrared laser receiving device, a calibration indicator lamp is arranged above the calibration reaction device, the calibration transmitting device is internally provided with an infrared laser transmitting probe, the segmented bent cap is arranged on a slide rail of the movable sliding support, and the movable sliding support is arranged on a joist of the pier stud through a jack;
the method for installing the assembled sectional capping beam comprises the following steps:
the first step is as follows: connecting a joist and an inclined strut pre-embedded on a pier stud through a high-strength bolt, erecting a jack on the joist, and installing a movable sliding support assembled through the high-strength bolt on the jack;
the second step is that: the segmented capping beam is placed in a groove of a capping beam reserved on the movable sliding support by a large hoisting device, the calibration reaction device is connected with the segmented capping beam through a reserved bolt hole, and the calibration emission device is connected with the pier stud through a reserved bolt hole;
the third step: opening the calibration reaction device and the calibration emission device, and continuously adjusting the position of the bent cap by using a sliding rail on the movable sliding support until the calibration lamp flickers to stop the bent cap to adjust and push;
the fourth step: when the calibration lamps around the device all flicker, the jack of the lower joist begins to be loosened slowly at the moment to enable the capping beam section to be connected with the pier stud, and the movable sliding support is removed after the capping beam and the pier stud are butted, so that the construction of the assembled hoisting is completed.
2. A fabricated sectional capping beam installation apparatus as claimed in claim 1, wherein: the movable sliding support is composed of double-layer sliding rails, wherein a transverse sliding rail is arranged on the support supporting beam, a supporting frame is connected above the transverse sliding rail through a sliding block, a longitudinal sliding rail is arranged on the supporting frame, and the segmented bent cap is arranged on the longitudinal sliding rail.
3. A fabricated sectional capping beam installation apparatus as claimed in claim 2, wherein: all the fittings of the movable sliding support are connected through bolts.
4. A fabricated sectional capping beam installation apparatus as claimed in claim 3, wherein: and at least four jack grooves are arranged on the support supporting beam.
5. A fabricated sectional capping beam installation apparatus as claimed in claim 1, wherein: the infrared laser emission probe is positioned inside the round sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811529352.0A CN109487706B (en) | 2018-12-14 | 2018-12-14 | Assembling type sectional bent cap mounting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811529352.0A CN109487706B (en) | 2018-12-14 | 2018-12-14 | Assembling type sectional bent cap mounting device and method |
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| Publication Number | Publication Date |
|---|---|
| CN109487706A CN109487706A (en) | 2019-03-19 |
| CN109487706B true CN109487706B (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811529352.0A Active CN109487706B (en) | 2018-12-14 | 2018-12-14 | Assembling type sectional bent cap mounting device and method |
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| CN (1) | CN109487706B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2403763A1 (en) * | 1974-01-26 | 1975-08-07 | Peiner Masch Schrauben | Thermally stable scaffolding - having adjustable plates with plastic sheet between them |
| CN103194983A (en) * | 2013-04-26 | 2013-07-10 | 上海市城市建设设计研究总院 | Segmental precast assembly method and segmental precast assembly structure for cantilever arm of large capping beam |
| CN203188132U (en) * | 2013-04-26 | 2013-09-11 | 上海市城市建设设计研究总院 | Segmental precasting assembly structure of large bent cap cantilever |
| CN106320164A (en) * | 2016-08-22 | 2017-01-11 | 上海应用技术学院 | Large prefabricated assembly cap beam with corbel structure and construction method |
| CN206607506U (en) * | 2017-03-08 | 2017-11-03 | 杭州三阳建设工程有限公司 | A kind of through type adds the capping construction support of passive stress trapezoid block |
| CN206784189U (en) * | 2017-06-07 | 2017-12-22 | 中交一公局第六工程有限公司 | A kind of single-column bent cap construction bracket |
| CN207714155U (en) * | 2017-12-20 | 2018-08-10 | 中铁十六局集团第三工程有限公司 | A kind of bent cap holder |
| CN108411790A (en) * | 2018-05-11 | 2018-08-17 | 中铁广州工程局集团有限公司 | A kind of adjustable installing bracket of prefabricated assembled segmentation bent cap |
-
2018
- 2018-12-14 CN CN201811529352.0A patent/CN109487706B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2403763A1 (en) * | 1974-01-26 | 1975-08-07 | Peiner Masch Schrauben | Thermally stable scaffolding - having adjustable plates with plastic sheet between them |
| CN103194983A (en) * | 2013-04-26 | 2013-07-10 | 上海市城市建设设计研究总院 | Segmental precast assembly method and segmental precast assembly structure for cantilever arm of large capping beam |
| CN203188132U (en) * | 2013-04-26 | 2013-09-11 | 上海市城市建设设计研究总院 | Segmental precasting assembly structure of large bent cap cantilever |
| CN106320164A (en) * | 2016-08-22 | 2017-01-11 | 上海应用技术学院 | Large prefabricated assembly cap beam with corbel structure and construction method |
| CN206607506U (en) * | 2017-03-08 | 2017-11-03 | 杭州三阳建设工程有限公司 | A kind of through type adds the capping construction support of passive stress trapezoid block |
| CN206784189U (en) * | 2017-06-07 | 2017-12-22 | 中交一公局第六工程有限公司 | A kind of single-column bent cap construction bracket |
| CN207714155U (en) * | 2017-12-20 | 2018-08-10 | 中铁十六局集团第三工程有限公司 | A kind of bent cap holder |
| CN108411790A (en) * | 2018-05-11 | 2018-08-17 | 中铁广州工程局集团有限公司 | A kind of adjustable installing bracket of prefabricated assembled segmentation bent cap |
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| CN109487706A (en) | 2019-03-19 |
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