CN113896085A - Integral hoisting process for reinforcement cage of caisson prefabricated standard layer - Google Patents
Integral hoisting process for reinforcement cage of caisson prefabricated standard layer Download PDFInfo
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- CN113896085A CN113896085A CN202111220036.7A CN202111220036A CN113896085A CN 113896085 A CN113896085 A CN 113896085A CN 202111220036 A CN202111220036 A CN 202111220036A CN 113896085 A CN113896085 A CN 113896085A
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- integral
- binding
- lifting appliance
- steel bars
- cage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
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- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an integral hoisting process for a caisson prefabricated standard layer reinforcement cage, which comprises the following steps: processing and manufacturing of steel bars, loading and transporting of products to a binding area, binding and forming of the steel bars, fastening of a steel bar binding cage and a lifting appliance into a whole, integral lifting of the steel bar binding cage and the lifting appliance, and recovery of the lifting appliance. The integral hoisting process changes the traditional on-site binding mode, and carries out factory construction by arranging the fixed standard layer steel bar prefabricated area, thereby greatly saving the investment of manpower and material resources, reducing the hidden danger of personnel operation, having good integral binding forming effect, high hoisting speed and accurate positioning, fully playing the operation advantages of short integral binding period and reduced hoisting positioning time, and improving the construction progress.
Description
Technical Field
The invention relates to an integral hoisting process for a caisson prefabricated standard layer reinforcement cage, and belongs to the field of port hydraulic construction.
Background
The caisson is a wall body member commonly used by hydraulic buildings such as wharfs, breakwaters and the like. In the prefabrication process of large and medium caissons, semi-finished steel bars or meshes are generally transferred to a prefabrication pedestal for alternate binding. The main disadvantages are: 1) the prefabricated structure focus is high, and high altitude ligature reinforcing bar is taken a lot of work, takes time, and the security is relatively poor. 2) The turnover rate of the steel bars is poor, the steel bars need to be bound for many times, and the next procedure is difficult to carry out, so that the overall progress is influenced. 3) The auxiliary steel bar frame is high in input cost, and the auxiliary steel bar frame is required to be placed in a large place.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an integral hoisting process for a caisson prefabricated standard layer reinforcement cage.
In order to achieve the purpose, the invention discloses an integral hoisting process of a caisson prefabricated standard layer reinforcement cage, which comprises the following steps: processing and manufacturing of steel bars, loading and transporting of products to a binding area, binding and forming of the steel bars, fastening of a steel bar binding cage and a lifting appliance into a whole, integral lifting of the steel bar binding cage and the lifting appliance, and recovery of the lifting appliance.
As an improvement, the lifting appliance is a square frame structure formed by welding a plurality of I-shaped steels and a plurality of channel steels.
As an improvement, a plurality of big ear plates are installed on the upper side of the lifting appliance, an upper lifting hole is formed in each big ear plate, a plurality of small ear plates are installed on the lower side of the lifting appliance, and a lower lifting hole is formed in each small ear plate.
As an improvement, the big lug plate and the small lug plate are regularly welded on the I-shaped steel respectively.
As an improvement, the method specifically comprises the following steps:
after the semi-finished steel bars are manufactured in the processing area, the semi-finished steel bars are hoisted to the binding area by using a gantry crane, and the standard layer steel bars are hoisted to be in place by using the gantry crane after being integrally bound and formed in the binding area;
the binding area is provided with an integral lifting appliance, the lifting appliance adopts an integral frame lifting frame, the integral size of the lifting appliance is designed according to the size of the steel bar binding cage, and the lifting appliance framework is consistent with the central axis of the caisson wall body;
the vertical steel bars of the standard layer are bound and formed next to the hanger frame, the vertical steel bars are connected by round steel, and the U-shaped buckles are used for connecting the hangers;
and after the inspection is finished, a gantry crane is adopted for butt joint installation, and after the installation is finished, the lifting appliance is conveyed back to the binding area, so that the circular operation is formed.
Compared with the prior art, the integral hoisting process changes the traditional field binding mode, and carries out factory construction by arranging the fixed standard layer steel bar prefabricating area, thereby greatly saving the investment of manpower and material resources, reducing the hidden danger of personnel operation, having good integral binding forming effect, high hoisting speed and accurate positioning, fully playing the operation advantages of short integral binding period and reduced hoisting positioning time, and improving the construction progress.
Drawings
Fig. 1 is a top view of a spreader according to the present invention;
FIG. 2 is a side view of a spreader of the present invention;
in the figure: 1. i-steel, 2, channel steel, 3, a lower lifting hole, 4 and an upper lifting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
As shown in fig. 1 and 2, the integral hoisting process for the caisson prefabricated standard layer reinforcement cage comprises the following steps: processing and manufacturing of steel bars, loading and transporting of products to a binding area, binding and forming of the steel bars, fastening of a steel bar binding cage and a lifting appliance into a whole, integral lifting of the steel bar binding cage and the lifting appliance, and recovery of the lifting appliance.
As an improvement of the embodiment, the lifting appliance is a square frame structure formed by welding a plurality of I-shaped steel beams 1 and a plurality of channel steel beams 2. The adopted I-steel 1 is 32a I-steel. I-shaped steel 1 is welded to form a lifting appliance framework, and channel steel 2 is welded between the I-shaped steel 1.
As the improvement of the embodiment, a plurality of big ear plates are installed on the upper side of the lifting appliance, upper lifting holes 4 are formed in the big ear plates, a plurality of small ear plates are installed on the lower side of the lifting appliance, and lower lifting holes 3 are formed in the small ear plates.
As the improvement of the embodiment, the big lug plate and the small lug plate are regularly welded on the I-shaped steel 1 respectively, so that the integral structure is stable, and the lifting is convenient.
Example 1
The caisson adopts layered pouring, each caisson comprises a bottom layer section and 4 standard layers, corresponding steel bar binding is also divided into 5 layers, and the weight of the steel bars of the standard layers is about 17 t;
the specific integral hoisting process for the caisson prefabricated standard layer steel bar binding cage comprises the following steps:
1) firstly, hoisting the semi-finished product steel bars to a binding area by using a 10t gantry crane after the semi-finished product steel bars are manufactured in a processing area;
2) lifting and positioning the standard layer steel bars in the binding area by using a 30t gantry crane after the standard layer steel bars are integrally bound and molded;
3) the binding area is provided with an integral lifting appliance, the lifting appliance adopts an integral frame lifting frame, the integral size of the lifting appliance is designed according to the size of the steel bar binding cage, and the lifting appliance framework is consistent with the central axis of the caisson wall body;
4) the vertical steel bars of the standard layer are bound and molded tightly against the hanger frame, the vertical steel bars are connected by round steel, and the U-shaped buckles are connected with the lower lifting holes 3 on the hanger;
5) after the inspection is finished, 1 gantry crane is adopted for butt joint installation, and after the installation is finished, the lifting appliance is transported back to the binding area through an upper lifting hole 4 on the connecting lifting appliance, so that the circular operation is formed.
Along with the gradual improvement of the requirements on safety, quality and construction standardization, the invention is different from the traditional caisson layered prefabrication construction, a standard layer steel bar integral binding, hoisting and forming process is adopted, a standard layer steel bar binding area is arranged in the process, semi-factory construction is realized, a steel bar hoisting frame (hoisting tool) is integrally transported to the height to be lapped after the standard layer steel bar binding and forming process is carried out, the hoisting tool is moved after the interval is adjusted, the labor and material resource investment is greatly saved, the personnel operation hidden danger is reduced, the integral binding and forming process is good in effect, the hoisting speed is high, the positioning is accurate, the operation advantages of short integral binding period and short hoisting and positioning time are fully exerted, and the construction progress is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The integral hoisting process of the caisson prefabricated standard layer steel bar binding cage is characterized by comprising the following steps of: processing and manufacturing of steel bars, loading and transporting of products to a binding area, binding and forming of the steel bars, fastening of a steel bar binding cage and a lifting appliance into a whole, integral lifting of the steel bar binding cage and the lifting appliance, and recovery of the lifting appliance.
2. The integral hoisting process of the caisson prefabricated standard layer steel bar binding cage according to claim 1, wherein the lifting appliance is a square frame structure formed by welding a plurality of I-shaped steel bars (1) and a plurality of channel steel bars (2).
3. The integral hoisting process for the steel bar binding cage of the caisson prefabricated standard layer according to claim 2, wherein a plurality of big lug plates are installed on the upper side of the hoisting tool, upper hoisting holes (4) are formed in the big lug plates, a plurality of small lug plates are installed on the lower side of the hoisting tool, and lower hoisting holes (3) are formed in the small lug plates.
4. The integral hoisting process of the caisson prefabricated standard layer reinforcement cage according to claim 3, characterized in that the large lug plates and the small lug plates are regularly welded on the I-shaped steel (1) respectively.
5. The integral hoisting process for the caisson prefabricated standard-layer reinforcement cage according to claim 1, which is characterized by comprising the following steps:
after the semi-finished steel bars are manufactured in the processing area, the semi-finished steel bars are hoisted to the binding area by using a gantry crane, and the standard layer steel bars are hoisted to be in place by using the gantry crane after being integrally bound and formed in the binding area;
the binding area is provided with an integral lifting appliance, the lifting appliance adopts an integral frame lifting frame, the integral size of the lifting appliance is designed according to the size of the steel bar binding cage, and the lifting appliance framework is consistent with the central axis of the caisson wall body;
the vertical steel bars of the standard layer are bound and formed next to the hanger frame, the vertical steel bars are connected by round steel, and the U-shaped buckles are used for connecting the hangers;
and after the inspection is finished, a gantry crane is adopted for butt joint installation, and after the installation is finished, the lifting appliance is conveyed back to the binding area, so that the circular operation is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220036.7A CN113896085A (en) | 2021-10-20 | 2021-10-20 | Integral hoisting process for reinforcement cage of caisson prefabricated standard layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220036.7A CN113896085A (en) | 2021-10-20 | 2021-10-20 | Integral hoisting process for reinforcement cage of caisson prefabricated standard layer |
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| CN113896085A true CN113896085A (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111220036.7A Pending CN113896085A (en) | 2021-10-20 | 2021-10-20 | Integral hoisting process for reinforcement cage of caisson prefabricated standard layer |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203096617U (en) * | 2013-02-04 | 2013-07-31 | 中国水利水电第四工程局有限公司 | Integral hoisting device for steel reinforcement cage |
| CN209554634U (en) * | 2018-12-19 | 2019-10-29 | 中交第一航务工程局有限公司 | A kind of caisson lifting structure |
| CN211254955U (en) * | 2019-12-09 | 2020-08-14 | 中交第一航务工程局有限公司 | Caisson wall body steel reinforcement cage hoist and mount frame |
| CN212450263U (en) * | 2020-01-10 | 2021-02-02 | 中交第四航务工程局有限公司 | Integral hoisting tool for steel bars suitable for caisson standard layer |
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2021
- 2021-10-20 CN CN202111220036.7A patent/CN113896085A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203096617U (en) * | 2013-02-04 | 2013-07-31 | 中国水利水电第四工程局有限公司 | Integral hoisting device for steel reinforcement cage |
| CN209554634U (en) * | 2018-12-19 | 2019-10-29 | 中交第一航务工程局有限公司 | A kind of caisson lifting structure |
| CN211254955U (en) * | 2019-12-09 | 2020-08-14 | 中交第一航务工程局有限公司 | Caisson wall body steel reinforcement cage hoist and mount frame |
| CN212450263U (en) * | 2020-01-10 | 2021-02-02 | 中交第四航务工程局有限公司 | Integral hoisting tool for steel bars suitable for caisson standard layer |
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