CN102873748A - Large-scale concrete member preforming device and preforming method of large-scale concrete member - Google Patents
Large-scale concrete member preforming device and preforming method of large-scale concrete member Download PDFInfo
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- CN102873748A CN102873748A CN2012103786680A CN201210378668A CN102873748A CN 102873748 A CN102873748 A CN 102873748A CN 2012103786680 A CN2012103786680 A CN 2012103786680A CN 201210378668 A CN201210378668 A CN 201210378668A CN 102873748 A CN102873748 A CN 102873748A
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Abstract
The invention discloses a large-scale concrete member preforming device and a preforming method of a large-scale concrete member. The large-scale concrete member preforming device comprises a lifting device and a mould, and a truss is fixedly arranged at the top end of the lifting device and fixedly connected with the mould. The large-scale concrete member preforming device adopting the mode of fixing moving of the member by the mould is simple in structure, high in system rigidity and needless in carrying the member, entering water by expensive semi-submersible or pontoon dock is omitted, a great quantity of labor and materials are saved, and cost is reduced. The preforming method includes casting, initially setting and sinking and the like of the large-scale concrete member, realizes preforming as sinking, overwater casting and overwater maintaining and the like, submerging the member by the semi-submersible or pontoon dock is omitted, a great quantity of labor and materials are saved, transport and submerging cost is greatly reduced, time is saved, efficiency is greatly improved and construction period is guaranteed.
Description
Technical field
The invention belongs to building field, relate in particular to a kind of fabricated device of huge concrete structure, and the method for prefabricating of huge concrete structure.
Background technology
At present, in the construction projects such as harbour, bridge, tunnel, power plant, often need the large-scale components such as prefabricated caisson, immersed tube, casing, cofferdam, box culvert, send lower water with these members again.
Method commonly used has two kinds, wherein a kind of is that member is built in fixed mould, segmentation, these component conveyings is dived on oceangoing ship or the floating dock to half again, or directly makes at half dive oceangoing ship or floating dock, make later half latent oceangoing ship or floating dock dive, member is sent in the water; The second is to adopt sliding mould continuous placing member, and namely member is motionless, and mould slides up and down, and comes prefabricated components.
First method is that mould is fixed, segmentation is built, and the shortcoming of this method is that to build efficient low, and each section of building has connecting sewing, and seam is easily permeable, poor air-tightness, and presentation quality is poor, also affects the service life of member, member especially under water;
Second method is that sliding mould is that member is fixed, mold-slide, its mould climbing system is huge, structure is complicated, will remove mould after finishing an element precast, prefabricated next member will be assembled again, for the member of building in batches, efficient is relatively low, and need artificial underwater operation, and having increased workman's intensity, operation easier is large.
Summary of the invention
The objective of the invention is to overcome defects, a kind of huge concrete structure fabricated device be provided, this device solves complicated, the problem such as efficient is relatively low, labour intensity is large of present equipment therefor mould structure when prefabricated huge concrete structure; Also provide simultaneously a kind of and built, maintenance, lower water accomplishs without any letup and the method for prefabricating of the huge concrete structure that prefabricated efficient is high.
For addressing the above problem, the technical solution adopted in the present invention is:
The huge concrete structure fabricated device comprises lowering or hoisting gear and mould, it is characterized in that: the top of described lowering or hoisting gear is fixed with truss, and truss is fixedly connected with mould.
This device mould that different from existing apparatus is is fixed and is positioned at its top, like this when building, along with continuous casting concrete in mould, member under the weight of self with mould generation relative motion.In addition, when underwater work, mould is positioned at more than the water surface, makes wholely to build operation and carry out on the water, not only can effectively protect mould, and save the underwater casting link, has reduced task difficulty.
As a kind of improvement:
Described mould comprises exterior sheathing and inner formword; Described exterior sheathing is fixedly connected with inner formword; Be fixed with connector between described inner formword and the truss.
Be provided with connector between inner formword and the truss, be convenient to the installation and removal of inner formword.
As further improvement:
Described lowering or hoisting gear comprises base;
Base is provided with water pocket, and the upper surface of water pocket is fixed with lifting platform, and the lower surface of water pocket is fixedly connected with base;
Be provided with four root posts around the described water pocket, the bottom of described column is fixedly installed on the base, and the top of described column is provided with crossbeam, and described truss is fixedly installed on the crossbeam.
As further improvement:
Described lifting platform be positioned at truss under.
Be respectively equipped with the supporting piece of positioned-lifting platform on the described column.
Described water pocket is provided with water inlet and delivery port.
As further improvement:
The method for prefabricating of huge concrete structure is characterized in that, the method may further comprise the steps:
A, in the waters that needs are installed huge concrete structure the huge concrete structure fabricated device is installed, the base of huge concrete structure fabricated device is fixed on the bottom, and the mould of huge concrete structure fabricated device is positioned at more than the water surface;
B, will fill with water in the water pocket, the upper plane of water pocket is contacted with the bottom surface of inner formword, utilize fixedly lifting platform of supporting piece;
C, in mould prefabricated described huge concrete structure, until huge concrete structure build first the part initial set after, open the delivery port of water pocket, unclamp supporting piece, huge concrete structure is slow decreasing under the weight of self, the water in the water pocket is slowly extruded;
D, after the water in the water pocket is all extruded, huge concrete structure is built and is finished and break away from moulds, and huge concrete structure is shifted out from lifting platform, is positioned over the position that huge concrete structure will be installed;
E, repetition above-mentioned steps are arranged in order huge concrete structure, just can form under water the cofferdam of Len req, width, height.
Method for prefabricating of the present invention can be directly at the region operation of placing huge concrete structure, as when constructing the cofferdam, can directly whole device be placed on the correct position of constructing the cofferdam, prefabricated huge concrete structure then, the huge concrete structure limit is prefabricated, the limit sinks, finally be placed on desired location, whole process does not need long-distance transportation, does not need half latent oceangoing ship or floating dock that it is carried out dive, save a large amount of manpower and materials, and greatly reduced transportation and dive cost; And saved the time, and greatly improved efficient, guaranteed the duration.
In addition, huge concrete structure fabricated device of the present invention, the employing mould is fixed, the pattern of member motion, thus make whole apparatus structure simple, and system rigidity is strong, need not to carry member, do not need half latent oceangoing ship or floating dock Xia Shui with high expense yet, saved a large amount of human and material resources, reduced cost.
Use huge concrete structure fabricated device of the present invention, when prefabricated components, member can be built on the limit, the limit maintenance, and simple to operate, working strength is low; Mold height generally at 1～1.5 meter, is avoided work high above the ground, and mould is positioned at more than the water level simultaneously, has avoided underwater work; Mould is through once mounting, can prefabricated a plurality of members; Huge concrete structure fabricated device of the present invention adopts monolithic construction, and cheap, rigidity is strong, and the precision of the member that precasts is high.
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of the medium-and-large-sized concrete component fabricated device of the embodiment of the invention;
Fig. 2 is the top view structural representation of Fig. 1;
Fig. 3 is the side-looking structural representation of Fig. 1;
Fig. 4 is the perspective view of Fig. 1;
Fig. 5 is the structural representation after the medium-and-large-sized concrete component of the embodiment of the invention breaks away from fabricated device.
Among the figure: the 1-base; The 2-column; The 3-water pocket; The 4-lifting platform; The 5-supporting piece; The 6-crossbeam; The 7-exterior sheathing; The 8-truss; The 9-connector; The 10-huge concrete structure; The 11-inner formword.
The specific embodiment
Embodiment: such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the huge concrete structure fabricated device comprises lowering or hoisting gear and mould, and the top of described lowering or hoisting gear is fixed with truss 8, and truss 8 is fixedly connected with mould.Described mould comprises exterior sheathing 7 and inner formword 11; Described exterior sheathing 7 is fixedly connected with inner formword 11;
Be fixed with connector 9 between described inner formword 11 and the truss 8.
Described lowering or hoisting gear comprises base 1; Base 1 is provided with water pocket 3, and the upper surface of water pocket 3 is fixed with lifting platform 4, and the lower surface of water pocket 3 is fixedly connected with base 1; Be provided with four root posts 2 around the described water pocket 3, the quantity of column 2 can determine that according to actual conditions the height of column 2 can be set to adjustable column, is convenient to be fit to the waters of different depth.The bottom of described column 2 as described is fixedly installed on the base 1, and the top of described column 2 is provided with crossbeam 6, and described truss 8 is fixedly installed on the crossbeam 6.
Described lifting platform 4 be positioned at truss 8 under.Be respectively equipped with the supporting piece 5 of positioned-lifting platform 4 on the described column 2.The effect of supporting piece 5 is fixing described lifting platforms 4 of the initial period of prefabricated components, after the huge concrete structure initial set in mould, opens supporting piece 5, and the initial set of huge concrete structure 10 partly begins to sink, extruding water pocket 3.
Described water pocket 3 is provided with water inlet and delivery port, and described water pocket 3 is made by elastomeric material, be full of water after upper surface raise, emit water after upper surface descend, namely water-filling and the waterproof of whole lifting platform 4 by water pocket 3 realizes raising or reduces.
The method for prefabricating of huge concrete structure, the method may further comprise the steps:
A, in the waters that needs are installed huge concrete structure 10 the huge concrete structure fabricated device is installed, the base 1 of huge concrete structure fabricated device is fixed on the bottom, and the mould of huge concrete structure fabricated device is positioned at more than the water surface;
B, will fill with water in the water pocket 3, the upper plane of lifting platform 4 is contacted with the bottom surface of inner formword 11, utilize fixedly lifting platform 4 of supporting piece 5;
C, in mould prefabricated described huge concrete structure 10, until huge concrete structure 10 build first the part initial set after, open the delivery port of water pocket 3, unclamp supporting piece 5, huge concrete structure 10 is slow decreasing under the weight of self, and the water in the water pocket 3 is slowly extruded;
D, after the water in the water pocket 3 is all extruded, huge concrete structure 10 is built and is finished and break away from moulds, and huge concrete structure 10 is shifted out from lifting platform 4, is positioned over the position that huge concrete structure will be installed;
E, repetition above-mentioned steps are arranged in order huge concrete structure 10, just can form under water the cofferdam of Len req, width, height, as shown in Figure 5.
Huge concrete structure fabricated device of the present invention and method for prefabricating mainly are to be used in the place that harbour, bridge etc. need the large-scale components such as caisson, immersed tube, casing, cofferdam, box culvert, these places are at underwater work mostly, and huge concrete structure fabricated device of the present invention and method for prefabricating are also just in the effect of these its maximums of local competence exertion.
Claims (7)
1. the huge concrete structure fabricated device comprises lowering or hoisting gear and mould, it is characterized in that: the top of described lowering or hoisting gear is fixed with truss (8), and truss (8) is fixedly connected with mould.
2. huge concrete structure fabricated device according to claim 1, it is characterized in that: described mould comprises exterior sheathing (7) and inner formword (11); Described exterior sheathing (7) is fixedly connected with inner formword (11); Be fixed with connector (9) between described inner formword (11) and the truss (8).
3. huge concrete structure fabricated device according to claim 1 and 2, it is characterized in that: described lowering or hoisting gear comprises base (1);
Base (1) is provided with water pocket (3), and the upper surface of water pocket (3) is fixed with lifting platform (4), and the lower surface of water pocket (3) is fixedly connected with base (1);
Be provided with four root posts (2) around the described water pocket (3), the bottom of described column (2) is fixedly installed on the base (1), the top of described column (2) is provided with crossbeam (6), and described truss (8) is fixedly installed on the crossbeam (6).
4. huge concrete structure fabricated device according to claim 3 is characterized in that: described lifting platform (4) be positioned at truss (8) under.
5. huge concrete structure fabricated device according to claim 3 is characterized in that: the supporting piece (5) that is respectively equipped with positioned-lifting platform (4) on the described column (2).
6. huge concrete structure fabricated device according to claim 3, it is characterized in that: described water pocket (3) is provided with water inlet and delivery port.
7. the method for prefabricating of huge concrete structure is characterized in that, the method may further comprise the steps:
A, in the waters that needs are installed huge concrete structures (10) the huge concrete structure fabricated device is installed, the base of huge concrete structure fabricated device (1) is fixed on the bottom, and the mould of huge concrete structure fabricated device is positioned at more than the water surface;
B, will fill with water in the water pocket (3), the upper plane of lifting platform (4) is contacted with the bottom surface of inner formword (11), utilize fixedly lifting platform (4) of supporting piece (5);
C, in mould prefabricated described huge concrete structure (10), until huge concrete structure (10) build first the part initial set after, open the delivery port of water pocket (3), unclamp supporting piece (5), huge concrete structure (10) slow decreasing under the weight of self, the water in the water pocket (3) is slowly extruded;
D, after the water in the water pocket (3) is all extruded, huge concrete structure (10) is built and is finished and break away from moulds, huge concrete structure (10) is shifted out from lifting platform (4), be positioned over the position that huge concrete structure will be installed;
E, repetition above-mentioned steps are arranged in order huge concrete structure (10), just can form under water the cofferdam of Len req, width, height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210378668.0A CN102873748B (en) | 2012-09-22 | 2012-09-22 | Large-scale concrete member preforming device and preforming method of large-scale concrete member |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210378668.0A CN102873748B (en) | 2012-09-22 | 2012-09-22 | Large-scale concrete member preforming device and preforming method of large-scale concrete member |
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| CN102873748A true CN102873748A (en) | 2013-01-16 |
| CN102873748B CN102873748B (en) | 2014-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493965A (en) * | 2015-01-26 | 2015-04-08 | 三一汽车制造有限公司 | Precast concrete curing and distribution device, production system and production method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI623668B (en) * | 2017-02-08 | 2018-05-11 | Hung Hua Construction Co Ltd | Manufacturing and transportation method of caissons |
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| US3480705A (en) * | 1965-04-03 | 1969-11-25 | Hebel Gasbetonwerk Gmbh | Method for casting,lifting and setting blocks |
| CN1769623A (en) * | 2005-11-07 | 2006-05-10 | 中建一局建设发展公司 | Liftable hydraulic climbing template and construction method thereof |
| CN2929056Y (en) * | 2005-05-25 | 2007-08-01 | 北京卓良模板有限公司 | Hydraulic driving automatic climbing formwork |
| CN101806049A (en) * | 2010-01-05 | 2010-08-18 | 浙江省围海建设集团股份有限公司 | Culvert water gate floating transportation and installation technology |
| CN202185961U (en) * | 2011-01-28 | 2012-04-11 | 鲍威 | Occupied wallboard forming equipment |
| CN102660925A (en) * | 2012-06-06 | 2012-09-12 | 长安大学 | Moveable formwork for variable-width curved bridge |
| CN202763980U (en) * | 2012-09-22 | 2013-03-06 | 王炳贞 | Prefabricating device for large concrete members |
-
2012
- 2012-09-22 CN CN201210378668.0A patent/CN102873748B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3480705A (en) * | 1965-04-03 | 1969-11-25 | Hebel Gasbetonwerk Gmbh | Method for casting,lifting and setting blocks |
| CN2929056Y (en) * | 2005-05-25 | 2007-08-01 | 北京卓良模板有限公司 | Hydraulic driving automatic climbing formwork |
| CN1769623A (en) * | 2005-11-07 | 2006-05-10 | 中建一局建设发展公司 | Liftable hydraulic climbing template and construction method thereof |
| CN101806049A (en) * | 2010-01-05 | 2010-08-18 | 浙江省围海建设集团股份有限公司 | Culvert water gate floating transportation and installation technology |
| CN202185961U (en) * | 2011-01-28 | 2012-04-11 | 鲍威 | Occupied wallboard forming equipment |
| CN102660925A (en) * | 2012-06-06 | 2012-09-12 | 长安大学 | Moveable formwork for variable-width curved bridge |
| CN202763980U (en) * | 2012-09-22 | 2013-03-06 | 王炳贞 | Prefabricating device for large concrete members |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104493965A (en) * | 2015-01-26 | 2015-04-08 | 三一汽车制造有限公司 | Precast concrete curing and distribution device, production system and production method |
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Effective date of registration: 20171208 Address after: 262400 1 South Wenzhou Industrial Park, 309 National Road, Changle County, Weifang, Shandong Province, 1 Patentee after: Changle Hao Jiang industry & Trade Co., Ltd. Address before: 261041, No. 2, No. 2, Xinhua Road, No. 12, Kuiwei District, Weifang City, Shandong Province, 301 Patentee before: Wang Bingzhen |
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Granted publication date: 20140917 Termination date: 20180922 |
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