CN105113799B - Prearranged adjustable clamping fixture of large embedded part and construction method thereof - Google Patents
Prearranged adjustable clamping fixture of large embedded part and construction method thereof Download PDFInfo
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- CN105113799B CN105113799B CN201510482340.7A CN201510482340A CN105113799B CN 105113799 B CN105113799 B CN 105113799B CN 201510482340 A CN201510482340 A CN 201510482340A CN 105113799 B CN105113799 B CN 105113799B
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Abstract
The invention discloses a prearranged adjustable clamping fixture for large embedded parts and a construction method thereof, and belongs to the field of building construction. According to a traditional installation process for the large embedded parts, a lot of embedded brackets need to be arranged, so that a lot of materials are wasted; and the embedded parts are not unified in size to cause different sizes of the brackets, so that the installation difficulty is increased. The invention provides the prearranged adjustable clamping fixture; and the prearranged adjustable clamping fixture comprises a rectangular horizontal frame consisting of first cross beams and second cross beams, multiple adjustable I-shaped stand rods and adjustable screw rods. The adjustable clamping fixture can be repeatedly used; as the screw rods and the I-shaped stand rods are adjustable, the adjustable clamping fixture is suitable for various embedded parts; the materials are saved; the installation difficulty of the embedded parts is simplified; and the construction cost is reduced.
Description
Technical field
The invention belongs to the realm of building construction, more particularly, to a kind of preset adjustable mold construction of large-scale embedded parts.
Background technology
In recent years, in large-scale public and civil buildings at home, occur in that the steel of increasing large space, large span
Structure exhibitions, venue class engineering.The steel superstructure of this kind of engineering is generally between the reinforced concrete foundation of bottom by rigidity
The mode of anchoring connects.With the increase of the steel construction scale of construction, steel construction embedded part also presents following outstanding feature：Quantity is more,
Size is big, weight weight, and embedding precision is high, and mounting process is complicated.
The general mounting process of large-scale embedded parts is：First embedded bracket, one-time-concreting concrete ensure that steel bracket is fixed, and treat steel
After support is firm, big embedded part fixes embedded part with steel bracket welding, then pours the peace to complete large-scale embedded parts with concrete secondary
Dress.
The shortcoming of this embedded part mounting process is：
1) substantial amounts of embedded bracket need to be set, substantial amounts of material is wasted；Embedded part size disunity, causes the size of support
Also it is different, increase installation difficulty；
2) the substantial amounts of live cooperation time is needed between steel construction and Civil Specialities, the cross-operation time is long, coordinate difficulty big；
3) concrete be divided into it is secondary pour, be unfavorable for controlling pouring quality, production cost is high.
The content of the invention
For problems of the prior art, the application provides a kind of preset adjustable mold construction work of large-scale embedded parts
Method, is wherein studied and is related to by the concrete structure and its set-up mode to presetting support, and the circulation for realizing mold makes
With saving material.
For achieving the above object, according to one aspect of the present invention, there is provided it is preset adjustable that a kind of large-scale embedded parts are used
Mold, it is characterised in that the adjustable mold includes：The rectangular horizontal frame of first crossbeam and second cross beam composition, Ruo Gangong
Font vertical rod and screw rod；
Oval elongated hole is offered on the first crossbeam, offer circular hole, the spiral shell in the I shape vertical rod
Bar passes through the oval elongated hole and the circular hole to connect each part；
The screw rod can be moved along the first crossbeam direction in the oval elongated hole；
The I shape vertical rod can be moved along screw rod direction by the circular hole.
Preferably, the I shape vertical rod is fixed on the screw rod by pad and nut.
Preferably, the screw rod is fixed on the first crossbeam by pad and nut.
It is another aspect of this invention to provide that there is provided a kind of construction method of the large-scale embedded parts using preset adjustable mold,
The embedded part includes steel plate, shear key and anchor pole, it is characterised in that the method is comprised the following steps：
(1) software is adopted, collision point is carried out to the concrete reinforcement and shear key in embedded part of embedded part adnexa described in design
Analysis, determines the position of shear key, makes shearing-resistant member with reinforcing bar collision probability to minimum；
(2) adjustable mold is designed in the concrete condition in horizontal x, y direction according to the shear key of the live embedded part, its
In the distance between I shape vertical rod described in x, y direction is adjusted by nut, meet the installation of embedded part described in live variety classes；
(3) deepen site plan according to the embedded part, the concrete reinforcement of embedded part adnexa described in design is pacified
The mold for regulating, as concrete reinforcement is not fixed in the horizontal direction, is then put into specified location by dress；In construction
Shi Suoshu concrete reinforcements get around the I shape vertical rod in the mold；
(4) mold is removed
(5) embedded part is installed
(6) concreting
Preferably, in the step (5) using portal support installing the embedded part.
In general, possesses following technology compared with prior art, mainly according to the above-mentioned technology design of the present invention excellent
Point：
1st, adjustable mold of the invention can Reusability, save material, and due to suitable for various shear keies, therefore letter
The difficulty installed is changed；
2nd, coagulation only needs to pour once, is conducive to controlling pouring quality, reduces production cost.
Description of the drawings
Fig. 1 is the top view of preset mold of the invention；
Fig. 2 is side view of the preset mold of the invention at I shape vertical rod；
Fig. 3 is the process chart of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each embodiment
Do not constitute conflict each other can just be mutually combined.
The invention provides a kind of preset mold, as shown in Figure 1, 2, its middle cross beam 1 and crossbeam 2 constitute rectangular horizontal frame
Frame, the oval elongated hole on crossbeam 2, screw rod 3 through the oval elongated hole 10 in two parallel beams 2, crossbeam 2 pass through pad 9,
8 standing screw 3 of nut；There are multiple I shape vertical rods 4 on screw rod 3, have circular hole 7, I shape vertical rod 4 in I shape vertical rod 4
It is fixed on screw rod 3 by pad 5, nut 6.
Pay mold using more than in advance, the construction method of the present invention is as shown in figure 3, specific as follows：
(1) preparation of construction
1) using the three-dimensional in-depth setting-out softwares of x-steel, crash analysises are carried out with shear key in embedded part to concrete reinforcement,
Determine the position that shearing resistance knife is cut, make shearing-resistant member with reinforcing bar collision probability to minimum；Embedded part includes steel plate, shear key and anchor pole.
2) using the three-dimensional in-depth setting-out softwares of x-steel, the collision situation of anchor pole upper end and dip member is checked, if necessary
Change position of opening of the anchor pole on slab in advance.
3) all boltholes are designed using macropore, so that bent anchor screw rod can nimbly elude civil engineering reinforcing bar.
(2) internal model making
Adjustable matrix design, making
Using the three-dimensional in-depth setting-out softwares of x-steel by 3D entity setting-out techniques, the big ring beam of simulated field concrete, master
The reinforcing bars such as beam, secondary beam and embedded part shear key position relationship, determine shear key and beams of concrete position relationship from the in-depth stage, propose
The construction drawing of feasibility.
According to live embedded part shear key in the case where horizontal x, y direction spacing species is more, adjustable mold is designed, led to
Cross nut and adjust the distance between x, y direction shear key, meet the installation of live variety classes built-in fitting.
(3) mold is installed
1) pre-buried shear key distance is treated according to scene, adjusts adjustable mold i shaped steel spacing；
2) deepen site plan according to embedded part, the regulation mold for regulating is put into into formulation position；
3) the big ring beam of concrete, girder, secondary beam steel horizontal bar and stirrup get around I shape in regulation mold in construction
Steel.
(4) mold is removed
1) surveying setting-out orients the particular location of each embedded part
According to embedded part site plan, using the positioning of total powerstation, find out the particular location of each embedded part, by with civil engineering
Professional scene director obtains communication, it is desirable to which which reserves work surface at this in corresponding position after preferentially laying cage bar.
2) preset mold precise positioning embedded part position is installed
First, in the cage bar for laying in advance, according to the detail drawing of embedded part at this, the position of measurement and positioning embedded part shear key
Put；Afterwards, the spacing of the I shape vertical rod of preset mold is regulated, and the adjustable mold is arranged in cage bar；Finally will
Bar dowel welding positioning of the cage bar of embedded part position by auxiliary.
3) take out preset mold to be put into embedded part and crab-bolt is installed
After the reinforcing bar of embedded part position is fixed, the adjustable mold is taken out, be put into super large embedded part, supporting one step of crab-bolt peace
Position is attached to, is welded and fixed.
(5) embedded part is installed
1) design of portal support：
Scene is hung by using door frame and takes embedded part and be positioned over reserved shear key hole, and scene can avoid installing using tower crane
Embedded part, carries out x, y, z direction using light, the flexible portal frame of movement to embedded part and is accurately positioned；The maximum lifting of portal frame
Workpiece weight 6T, using MIDAS software analysis.
2) portal support positioning is adjusted
According to live benchmark point coordinates, by the horizontal control network having built up, by computer lofting, control point is drawn
A (x1, y1, z1), B (x2, y2, z2), C (x3, y3, z3)
Control point A/B/C is measured by total powerstation, draw process coordinate (x, y, z), then the installation of epidermis embedded part
Deviation is Δ X=1cm, Δ Y=1cm, Δ Z=3mm
Positioning regulation is carried out by aids such as portal support and bottle gouards moved by hands, while using total powerstation and Sopwith staff real-time
The changes in coordinates situation of Monitoring and Controlling point A/B/C.
(6) concreting
1) upper flow regime, the concrete of low water-cement ratio should be selected, and adds a certain proportion of extender；
2) concreting should be from built-in fitting anchor comparatively dense to the less place's passage of anchor, it is ensured that under steel plate, concrete is poured
Build closely knit；
3) the enough utensil that vibrates is equipped with, the concrete into mould is enable in time by vibration compacting；For preventing leakage is shaken, adhere to point
Layer vibrates, and using secondary vibration technique, combine closely between concrete density and built-in fitting and concrete with being improved.
(7) embedded part detection
After installation of embedded parts, need to be checked before casting concrete, by by total powerstation, steel ruler, ruler and vernier
Several control point such as the central point of built-in fitting are measured by slide calliper rule, after built-in fitting fixed correction is not missed, before concreting,
Acceptance of concealed work should be carried out with supervisor person in charge of the technology aspect.In concreting process, supervision should be tracked, it is right
Damaged condition in concreting process should be corrected and acceptance auditing in time.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not to
The present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc. is limited, all should be included
Within protection scope of the present invention.
Claims (5)
1. the preset adjustable mold that a kind of large-scale embedded parts are used, it is characterised in that the adjustable mold includes：First crossbeam and
Rectangular horizontal frame, some I shape vertical rods and screw rod that two crossbeams are constituted；
Oval elongated hole is offered on the first crossbeam, circular hole is offered in the I shape vertical rod, and the screw rod is worn
Cross the oval elongated hole and each part is connected by the circular hole；
The screw rod can be moved along the first crossbeam direction in the oval elongated hole；
The I shape vertical rod can be moved along screw rod direction by the circular hole；
The I shape vertical rod adjusts mutual distance according to the size of the large-scale embedded parts.
2. adjustable mold as claimed in claim 1, it is characterised in that the I shape vertical rod passes through pad and nut described
It is fixed on screw rod.
3. adjustable mold as claimed in claim 1, it is characterised in that the screw rod passes through pad and nut is horizontal described first
It is fixed on beam.
4. a kind of construction method of the large-scale embedded parts using preset adjustable mold, the embedded part include steel plate, shear key and anchor pole,
Characterized in that, the method is comprised the following steps：
(1) crash analysises are carried out to the concrete reinforcement and shear key in embedded part of embedded part adnexa described in design, determines shear key
Position, make shearing-resistant member and reinforcing bar collision probability to minimum；
(2) adjustable mold is designed in the concrete condition in horizontal x, y direction according to the shear key of the live embedded part, it is described can
Mold is adjusted to include：Rectangular horizontal frame, some I shape vertical rods and screw rod, wherein adjust I-shaped described in x, y direction by nut
The distance between type vertical rod, meets the installation of embedded part described in live variety classes；
(3) deepen site plan according to the embedded part, the mold for regulating is put into into formulation position；Then in designing
The concrete reinforcement of the embedded part adnexa carries out colligation, and in construction, the concrete reinforcement gets around the I shape in the mold
Vertical rod；
(4) mold is removed；
(5) embedded part is installed；
(6) concreting.
5. construction method as claimed in claim 4, using portal support installing the embedded part in the step (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482340.7A CN105113799B (en) | 2015-08-07 | 2015-08-07 | Prearranged adjustable clamping fixture of large embedded part and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482340.7A CN105113799B (en) | 2015-08-07 | 2015-08-07 | Prearranged adjustable clamping fixture of large embedded part and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN105113799A CN105113799A (en) | 2015-12-02 |
| CN105113799B true CN105113799B (en) | 2017-03-22 |
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| CN201510482340.7A Active CN105113799B (en) | 2015-08-07 | 2015-08-07 | Prearranged adjustable clamping fixture of large embedded part and construction method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703072A (en) * | 2016-12-21 | 2017-05-24 | 中建六局土木工程有限公司 | Scaffolding equipment foundation embedded part construction method |
| CN110424549B (en) * | 2019-09-20 | 2024-07-19 | 中铁建设集团有限公司 | Riding embedded part positioning adjustable support and mounting method thereof |
| CN111648611A (en) * | 2020-06-30 | 2020-09-11 | 中国二十二冶集团有限公司 | Embedded part supporting device and embedded part installation method using embedded part supporting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53882B2 (en) * | 1972-04-03 | 1978-01-12 | ||
| JPS588642B2 (en) * | 1976-06-24 | 1983-02-17 | 日立電線株式会社 | How to remove insulation from coaxial cable |
| JPH07317082A (en) * | 1994-05-23 | 1995-12-05 | Matsushita Electric Works Ltd | Anchor frame |
| CN202577336U (en) * | 2011-12-20 | 2012-12-05 | 北京建工四建工程建设有限公司 | Positioner for square column foundation bolts |
| CN102619235B (en) * | 2012-04-17 | 2014-06-04 | 中国建筑第五工程局有限公司 | Concrete foundation embedded bolt bracket and embedding method for concrete foundation embedded bolts |
| CN203654313U (en) * | 2013-12-26 | 2014-06-18 | 河北建设集团有限公司 | Embedded anchor bolt positioning mold |
| CN203939041U (en) * | 2014-05-08 | 2014-11-12 | 浙江建设职业技术学院 | Adjustable steel structural column lower margin |
| CN204370465U (en) * | 2014-12-19 | 2015-06-03 | 山西五建集团有限公司 | Positioning rack of pre-buried ground bolt |
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