CN102873748B - 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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- CN102873748B CN102873748B CN201210378668.0A CN201210378668A CN102873748B CN 102873748 B CN102873748 B CN 102873748B CN 201210378668 A CN201210378668 A CN 201210378668A CN 102873748 B CN102873748 B CN 102873748B
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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, then send lower water by these members.
Conventional method has two kinds, be wherein that a member is built in fixed mould, segmentation, then these component conveyings are dived on oceangoing ship or floating dock to half, or directly half, dive on oceangoing ship or floating dock and make, make later half latent oceangoing ship or floating dock dive, member is sent in water; The second is to adopt sliding mould continuous placing member, and member is motionless, and mould slides up and down, and carrys out prefabricated components.
First method is that mould is fixed, segmentation is built, and the shortcoming of this method is that to build efficiency 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 more complicated, after completing an element precast, will remove mould, prefabricated next member will be assembled again, for the member of building in batches, efficiency is relatively low, and need artificial underwater operation, and having increased workman's intensity, operation easier is large.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, a kind of huge concrete structure fabricated device is provided, this device has solved the current equipment therefor problems such as mould structure is complicated when prefabricated huge concrete structure, efficiency is relatively low, labour intensity is large; Also provide a kind of simultaneously and built, maintenance, lower water accomplishs without any letup and the method for prefabricating of the huge concrete structure that prefabricated efficiency is high.
For addressing the above problem, the technical solution adopted in the present invention is:
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, more than mould is positioned at the water surface, make wholely to build operation and carry out on the water, not only can effectively protect mould, and save underwater casting link, 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; Between described inner formword and truss, be fixed with connector.
Between inner formword and truss, be provided with connector, 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;
The surrounding of described water pocket is provided with four root posts, and the bottom of described column is fixedly installed on base, and the top of described column is provided with crossbeam, and described truss is fixedly installed on crossbeam.
As further improvement:
Described lifting platform be positioned at truss under.
On described column, be respectively equipped with the supporting piece of positioned-lifting platform.
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 comprises the following steps:
A, in the waters that huge concrete structure need to be installed, huge concrete structure fabricated device is installed, the base of huge concrete structure fabricated device is fixed on the bottom, more than the mould of huge concrete structure fabricated device is positioned at the water surface;
B, will in water pocket, fill with water, 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 first building after part initial set of huge concrete structure, open the delivery port of water pocket, unclamp supporting piece, huge concrete structure is slow decreasing under the weight of self, the water in water pocket is slowly extruded;
After D, the water in water pocket are all extruded, huge concrete structure has been built 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, be 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 cofferdam, can directly whole device be placed on to the correct position of constructing cofferdam, prefabricated huge concrete structure then, huge concrete structure limit is prefabricated, 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 to carry out dive to it, save a large amount of manpower and materials, and greatly reduced transportation and dive cost; And saved the time, and greatly improved efficiency, guaranteed the duration.
In addition, huge concrete structure fabricated device of the present invention, employing mould is fixed, the pattern of member motion, thus make whole apparatus structure simple, and system rigidity is strong, without carrying member, do not need half latent oceangoing ship or the floating dock Xia Shui by high expense, saved a large amount of human and material resources, reduced cost yet.
Use huge concrete structure fabricated device of the present invention, when prefabricated components, member can be built on limit, 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, more than mould is positioned at 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 precasting is high.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the medium-and-large-sized concrete component fabricated device of the embodiment of the present 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 that the medium-and-large-sized concrete component of the embodiment of the present invention departs from the structural representation after fabricated device.
In figure: 1-base; 2-column; 3-water pocket; 4-lifting platform; 5-supporting piece; 6-crossbeam; 7-exterior sheathing; 8-truss; 9-connector; 10-huge concrete structure; 11-inner formword.
The specific embodiment
Embodiment: as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, 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;
Between described inner formword 11 and truss 8, be fixed with connector 9.
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; The surrounding of described water pocket 3 is provided with four root posts 2, and the quantity of column 2 can determine according to actual conditions, and the height of column 2 can be set to adjustable column, is convenient to be applicable to the waters of different depth.As described in as described in the bottom of column 2 be fixedly installed on base 1, the top of described column 2 is provided with crossbeam 6, described truss 8 is fixedly installed on crossbeam 6.
Described lifting platform 4 be positioned at truss 8 under.On described column 2, be respectively equipped with the supporting piece 5 of positioned-lifting platform 4.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 starts 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, is full of upper surface after water and raises, emit water after upper surface decline, the water-filling of whole lifting platform 4 by water pocket 3 and waterproof realize and raise or reduce.
The method for prefabricating of huge concrete structure, the method comprises the following steps:
A, in the waters that huge concrete structure 10 need to be installed, huge concrete structure fabricated device is installed, the base 1 of huge concrete structure fabricated device is fixed on the bottom, more than the mould of huge concrete structure fabricated device is positioned at the water surface;
B, will in water pocket 3, fill with water, 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 first building after part initial set of huge concrete structure 10, 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 water pocket 3 is slowly extruded;
After D, the water in water pocket 3 are all extruded, huge concrete structure 10 has been built 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, be 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 are to be mainly 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 (5)
1. 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, and described mould comprises exterior sheathing (7) and inner formword (11); Described exterior sheathing (7) is fixedly connected with inner formword (11); Between described inner formword (11) and truss (8), be fixed with connector (9), 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); The surrounding of described water pocket (3) is provided with four root posts (2), the bottom of described column (2) is fixedly installed on base (1), the top of described column (2) is provided with crossbeam (6), and described truss (8) is fixedly installed on crossbeam (6).
2. huge concrete structure fabricated device according to claim 1, is characterized in that: described lifting platform (4) be positioned at truss (8) under.
3. huge concrete structure fabricated device according to claim 2, is characterized in that: the supporting piece (5) that is respectively equipped with positioned-lifting platform (4) on described column (2).
4. huge concrete structure fabricated device according to claim 1, is characterized in that: described water pocket (3) is provided with water inlet and delivery port.
5. the method for prefabricating of huge concrete structure, is characterized in that, the method comprises the following steps:
A, in the waters that huge concrete structure (10) need to be installed, huge concrete structure fabricated device is installed, the base of huge concrete structure fabricated device (1) is fixed on the bottom, more than the mould of huge concrete structure fabricated device is positioned at the water surface;
B, will in water pocket (3), fill with water, 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 first building after part initial set of huge concrete structure (10), 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 water pocket (3) is slowly extruded;
After D, the water in water pocket (3) are all extruded, huge concrete structure (10) has been built 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, be 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 |
|---|---|---|---|
| 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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| 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 CN102873748A (en) | 2013-01-16 |
| CN102873748B true CN102873748B (en) | 2014-09-17 |
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Cited By (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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493965B (en) * | 2015-01-26 | 2017-09-05 | 湖南三一快而居住宅工业有限公司 | Precast concrete maintenance distribution device, production system and production method |
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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 |
|---|---|---|---|---|
| TWI623668B (en) * | 2017-02-08 | 2018-05-11 | Hung Hua Construction Co Ltd | Manufacturing and transportation method of caissons |
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| CN102873748A (en) | 2013-01-16 |
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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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