CN102392540B - High-precision method and structure for positioning high-precision precast beam - Google Patents
High-precision method and structure for positioning high-precision precast beam Download PDFInfo
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- CN102392540B CN102392540B CN 201110324503 CN201110324503A CN102392540B CN 102392540 B CN102392540 B CN 102392540B CN 201110324503 CN201110324503 CN 201110324503 CN 201110324503 A CN201110324503 A CN 201110324503A CN 102392540 B CN102392540 B CN 102392540B
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Abstract
The invention belongs to the field of constructional engineering and in particular relates to a high-precision method and structure for positioning a high-precision precast beam. The method comprises the following steps: installing at least one stop pin on the bottom of the end part of a precast beam; installing one locating rack on one side surface, opposite to the other beam column, of at leastone beam column, wherein the locating rack is provided with a locating plate; the locating plate is horizontally extended and arranged and is provided with a locating hole; the precast beam is hoisted above the beam column; the horizontal position of the precast beam is adjusted to cause the stop pin to correspond to the locating hole; the precast beam is fallen to cause the precast beam to be arranged on the upper end of the beam column; and the stop pin is inserted in the locating hole. The method has the advantages of high positioning precision during installation, simplicity and convenience in construction and capability of greatly saving the days for construction, manpower and material resources; and the structure provided by the invention is stable, and the positioning tool is simple in structure, can be reused and is low in cost.
Description
Technical field
The invention belongs to building engineering field, be specifically related to a kind of high-precision precast-beam localization method and location structure.
Background technology
More and more adopted the precast beam structure in present building structure, mostly the fabricated precast beam of this kind is to pour into a mould in advance structural member as the beam body at Liang Chang processed, again it is transferred to the job site and 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, and during actual hanging often because the precision of apparatus is limited, and surrounding enviroment factor affecting, precast beam substantially can not be with the predetermined precision dropping place of setting up, and this just need to carry out trickle adjustment to the position after the precast beam dropping place.And common way be with the position that roughly coincide with the precast beam dropping place, carry out trickle adjustment by instruments such as jack more afterwards.Above-mentioned job practices has following drawback: increased first construction sequence, wasted a large amount of manpower and materials, and prolonged construction period; Second in the adjustment process after the precast beam dropping place, if misoperation easily causes security incident; Less with the beam column contact surface after three precast beam dropping places, and precast beam deadweight is very large, and precast beam and beam column all adopt reinforced concrete structure, is in course of adjustment and very easily damages the local surfaces of precast beam and beam column.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of high-precision precast-beam positioning structure and localization method are proposed, this localization method by be fixed on locating rack on the beam column, alignment pin is fixed on the precast beam, locate to realize quick high accuracy by the cooperation between locating rack and alignment pin, thereby consist of a kind of high-precision precast-beam positioning structure.
Purpose of the present invention is finished by following technical scheme:
A kind of high-precision precast-beam localization method relates to two beam columns and a precast beam, it is characterized in that comprising the steps:
At least certain position pin is installed on the bottom surface of precast beam end; One locating rack is installed on the side of relative another beam column of at least one beam column, and described locating rack has the location-plate that a horizontal-extending arranges, and offers a locating hole on the described location-plate;
The extremely described beam column of hoisting prefabricated beam top, and adjust its horizontal level so that the corresponding described locating hole of described alignment pin;
Fall described precast beam so that it is held on described beam column upper end, and alignment pin is plugged in the described locating hole.
The quantity of described alignment pin and locating rack is one, and described method also comprises the steps: to adjust take this alignment pin as rotating shaft the relative position of the described precast beam other end and beam column.
The quantity of described alignment pin and locating rack is two, and described two locating racks are located at respectively two sides that beam column is relative, and described two alignment pins are located at respectively the bottom surface at precast beam both ends.。
Described method comprise the steps: described precast beam location finish after the described locating rack of dismounting and alignment pin.
Described alignment pin comprises coaxial circular cone body and the cylinder part that joins, described cylinder part end face and described precast beam bottom surface bolt, and described locating hole is circular hole, and its diameter is identical with described cylinder part diameter.
A kind of high-precision precast-beam positioning structure, comprise two beam columns and a precast beam, it is characterized in that: also comprise the positioner that at least one is made of locating rack and alignment pin, the detachable relatively side of another beam column of a beam column of being fixed in of described locating rack, and has a location-plate that a horizontal-extending arranges, offer a locating hole on the described location-plate, described alignment pin is detachable to be fixed on the bottom surface of described precast beam end, and can be plugged in the described locating hole/extract out from described locating hole.
The quantity of described location structure is two, and the locating rack in described two location structures is located at respectively two sides that beam column is relative, and the alignment pin in described two location structures is located at respectively the bottom surface at precast beam both ends.
Described locating rack comprises a fixed head, described fixed head fit described beam column side and bolt, and described location-plate vertically is fixed in this fixed head upper limb.
The both side edges of described fixed head and location-plate is provided with floor.
Be embedded with at least one on the described precast beam and be used for and the nut of described alignment pin bolt, be embedded with at least one beam column some for the nut of described locating rack bolt.
Advantage of the present invention is: the positioning accuracy during installation is high, Stability Analysis of Structures; Construct simple and convenient, greatly saved duration and manpower and materials; Orientation tool is simple in structure, reusable, and is with low cost.
Description of drawings
Fig. 1 is embodiment 1 location structure general illustration;
Fig. 2 is the local enlarged diagram of embodiment 1 positioner part;
Fig. 3 is embodiment 1 positioner right view;
Fig. 4 is embodiment 2 location structure general illustration.
The specific embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Shown in Fig. 1-4, mark 1-14 is respectively among the figure: the first beam column 1, the second beam column 2, precast beam 3, positioner 4, locating rack 5, fixed head 6, location-plate 7, locating hole 8, alignment pin 9, circular cone body 10, cylinder part 11, bolt 12, nut 13, floor 14.
Be elaborated for high-precision precast-beam positioning structure below in conjunction with embodiment:
Embodiment 1:
As Figure 1-3, the related location structure of the present embodiment mainly is made of the first beam column 1, the second beam column 2, precast beam 3 and two positioners 4.Wherein the first beam column 1 and the second beam column 2 arrange perpendicular to ground, and the two ends of precast beam 3 are held on respectively on the first beam column 1 and the second beam column 2.The upper end of the two sides that wherein the first beam column 1 is relative with the second beam column 2 is embedded with some nuts 13, and the bottom surface at the two ends of precast beam 3 is embedded with respectively a nut 13.
In conjunction with above-mentioned location structure, below be elaborated for the present embodiment operational method:
Before precast beam 3 lifting, two alignment pins 9 of bolt on precast beam 3 at first; Meanwhile at the first beam column 1 and the second beam column 2 described locating rack 5 is installed.
Afterwards hoisting prefabricated beam 3 to first beam columns 1 and the second beam column 2 tops, and adjust its horizontal level so that two alignment pins 9 locating hole 8 on corresponding two locating racks 5 respectively by instruments such as crane or Chain blocks.When precast beam 3 is in the state of lifting, movement on the horizontal direction only need overcome its inertia and get final product, can be found out by above-mentioned structure, alignment pin 9 lower ends have a circular cone body 10, so when the summit of this circular cone body 10 is dropped in the scope of locating hole 8, when precast beam 3 fell, the side of circular cone body 10 contacted with locating hole 8 and slides, until cylinder part 11 enters in the locating hole 8 and matched in clearance.Because cylinder 11 shape sizes and locating hole 8 match, finish so can be considered precast beam 3 location.The size of above-mentioned circular cone body 10, cylinder part 11 and locating hole 8, the mobile accuracy that should can provide according to the instrument that crane or Chain block etc. move horizontally for precast beam 3 decides, when its precision was low, locating hole 8 bore size should increase to ensure that the summit of circular cone body 10 can fall within it.
Fall described precast beam 3 so that it is held on the upper end of the first beam column 1 and the second beam column 2 by the operation crane afterwards, and two alignment pins 9 are plugged in respectively in two locating holes 8, this moment, finished the location.
Disassemble at last positioner 4, to be used for the installation positioning operation of next precast beam.
Embodiment 2:
Referring to accompanying drawing 4, the described location structure of the present embodiment and embodiment 1 are roughly the same.Different is only to adopt a positioner 4, only has simultaneously to be embedded with some nuts 13 on the first beam column 1, only has the bottom surface of an end of relative the first beam column 1 to be embedded with nut 13 on the precast beam 3, is used for mounting and positioning device 4.Adopt this kind location structure, precast beam 3 one ends adopt alignment pin 9 to locate, and the other end is then the same with prior art, and with the precast beam dropping place, namely an end is located and other end no-fix after precast beam 3 dropping places with roughly identical position.When operation, compare with the step of embodiment 1, then increased following steps: after precast beam 3 dropping places, take alignment pin 9 as rotating shaft, carry out the position of trickle adjustment precast beam 3 other ends by instruments such as jack.The relative embodiment 1 of this kind structure has increased the step of construction, has increased the cycle of construction.The purpose that arranges so mainly be precast beam 3 when lifting, if equipment precision is not high, be difficult to accomplish simultaneously corresponding locating hole 8 of two alignment pins 9 according to location structure among the embodiment 1, the position of only controlling a side alignment pin 3 is then relatively easy.
Claims (10)
1. a high-precision precast-beam localization method relates to two beam columns and a precast beam, it is characterized in that comprising the steps:
At least certain position pin is installed on the bottom surface of precast beam end; One locating rack is installed on the side of relative another beam column of at least one beam column, and described locating rack has the location-plate that a horizontal-extending arranges, and offers a locating hole on the described location-plate;
The extremely described beam column of hoisting prefabricated beam top, and adjust its horizontal level so that the corresponding described locating hole of described alignment pin;
Fall described precast beam so that it is held on described beam column upper end, and alignment pin is plugged in the described locating hole.
2. a kind of high-precision precast-beam localization method as claimed in claim 1, the quantity that it is characterized in that described alignment pin and locating rack is one, and described method also comprises the steps: to adjust take this alignment pin as rotating shaft the relative position of the described precast beam other end and beam column.
3. a kind of high-precision precast-beam localization method as claimed in claim 1, the quantity that it is characterized in that described alignment pin and locating rack is two, described two locating racks are located at respectively two sides that beam column is relative, and described two alignment pins are located at respectively the bottom surface at precast beam both ends.
4. such as claim 1,2 or 3 described a kind of high-precision precast-beam localization methods, it is characterized in that described method comprise the steps: described precast beam location finish after the described locating rack of dismounting and alignment pin.
5. such as claim 1,2 or 3 described a kind of high-precision precast-beam localization methods, it is characterized in that: described alignment pin comprises coaxial circular cone body and the cylinder part that joins, described cylinder part end face and described precast beam bottom surface bolt, described locating hole is circular hole, and its diameter is identical with described cylinder part diameter.
6. high-precision precast-beam positioning structure, comprise two beam columns and a precast beam, it is characterized in that: also comprise the positioner that at least one is made of locating rack and alignment pin, the detachable relatively side of another beam column of a beam column of being fixed in of described locating rack, and has a location-plate that a horizontal-extending arranges, offer a locating hole on the described location-plate, described alignment pin is detachable to be fixed on the bottom surface of described precast beam end, and can be plugged in the described locating hole/extract out from described locating hole.
7. a kind of high-precision precast-beam positioning structure as claimed in claim 6, it is characterized in that: the quantity of described location structure is two, locating rack in described two location structures is located at respectively two sides that beam column is relative, and the alignment pin in described two location structures is located at respectively the bottom surface at precast beam both ends.
8. such as claim 6 or 7 described a kind of high-precision precast-beam positioning structures, it is characterized in that: described locating rack comprises a fixed head, described fixed head fit described beam column side and bolt, and described location-plate vertically is fixed in this fixed head upper limb.
9. a kind of high-precision precast-beam positioning structure as claimed in claim 8, it is characterized in that: the both side edges of described fixed head and location-plate is provided with floor.
10. a kind of high-precision precast-beam positioning structure as claimed in claim 6, it is characterized in that: be embedded with at least one on the described precast beam and be used for and the nut of described alignment pin bolt, be embedded with at least one beam column some for the nut of described locating rack bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110324503 CN102392540B (en) | 2011-10-24 | 2011-10-24 | High-precision method and structure for positioning high-precision precast beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110324503 CN102392540B (en) | 2011-10-24 | 2011-10-24 | High-precision method and structure for positioning high-precision precast beam |
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| CN102392540A CN102392540A (en) | 2012-03-28 |
| CN102392540B true CN102392540B (en) | 2013-10-16 |
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| CN102912993B (en) * | 2012-11-16 | 2015-05-20 | 孟凡林 | Method and die for guaranteeing mounting precision of prefabricated concrete structural member |
| CN105696801B (en) * | 2016-02-02 | 2017-10-13 | 江苏建筑职业技术学院 | Prefabricated part hanging accurate positioning device |
| CN109629452A (en) * | 2019-01-30 | 2019-04-16 | 中国冶集团有限公司 | Precast beam positioning device and its method |
| CN112627545A (en) * | 2020-12-17 | 2021-04-09 | 李伯明 | Building frame installation process for box type building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08218497A (en) * | 1995-02-14 | 1996-08-27 | Kanegafuchi Chem Ind Co Ltd | Connecting metal of column and horizontal member |
| JP2000170266A (en) * | 1998-12-07 | 2000-06-20 | Dantani Plywood Co Ltd | Column base metallic material for metal fitting construction method and building metal fitting construction method using it |
| JP4645999B2 (en) * | 2005-05-06 | 2011-03-09 | 住友林業株式会社 | Beam-column joint structure |
| CN101413249B (en) * | 2008-12-01 | 2010-09-15 | 中铁大桥局股份有限公司 | Method for positioning and mounting large-scale bridge support |
| CN201738248U (en) * | 2010-08-23 | 2011-02-09 | 重庆城建控股(集团)有限责任公司 | Embedded part installation device for bridge bearing |
| CN202265778U (en) * | 2011-10-24 | 2012-06-06 | 上海市第二市政工程有限公司 | High-precision precast-beam positioning structure |
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Address after: 200232 Xuhui District, Liuzhou Wu Road, Lane No. 13, No. 3, No. Applicant after: Shanghai urban construction Municipal Engineering (Group) Co., Ltd. Address before: 200232 Xuhui District, Liuzhou Wu Road, Lane No. 13, No. 3, No. Applicant before: Shanghai No.2 Municipal Engineering Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SHANGHAI NO.2 MUNICIPAL ENGINEERING CO., LTD. TO: SHANGHAI URBAN CONSTRUCTION MUNICIPAL ENGINEERING (GROUP) CO., LTD. |
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