CN112523213A - Combined type unit steel structure crane piling platform capable of being rapidly disassembled and assembled and construction method - Google Patents
Combined type unit steel structure crane piling platform capable of being rapidly disassembled and assembled and construction method Download PDFInfo
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- CN112523213A CN112523213A CN202011432419.6A CN202011432419A CN112523213A CN 112523213 A CN112523213 A CN 112523213A CN 202011432419 A CN202011432419 A CN 202011432419A CN 112523213 A CN112523213 A CN 112523213A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
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Abstract
A combined type unit steel structure crane pile driving platform capable of being rapidly disassembled and assembled comprises a plurality of unit platforms, wherein each unit platform is arranged at the top of an engineering pile, and the unit platforms are detachably connected through a platform connecting structure to form a pile driving platform; each unit platform comprises a platform longitudinal beam and a platform cross beam, the platform longitudinal beams and the platform cross beams are connected to form a crane supporting frame, and a crane advancing platform panel and a pedestrian passage plate are fixed on the crane supporting frame. The combined type unit steel structure crane piling platform capable of being rapidly disassembled and assembled and the construction method have the advantages that the positioning control is accurate, the convenience and the effectiveness are realized, the piling ship equipment is not relied on, and the construction safety is high.
Description
Technical Field
The invention relates to a pile driving platform, in particular to a quick-detachable combined type unit steel structure crane pile driving platform which is suitable for driving double rows of combined piles, is commonly used for sheet pile wharfs, coastal sheet pile revetments and offshore breakwaters, and can realize quick and continuous construction of steel sheet piles by adopting the quick detachment and movement of the combined type unit steel structure pile driving platform under the condition that a pile driving ship is not easy to use.
Background
At present, steel sheet piles at home and abroad are commonly applied in the process of excavating temporary structures such as retaining walls, earth and sand collapse prevention plates, temporary retaining banks, cofferdam engineering, closure, temporary central islands and the like, are mainly used as temporary support measures and are also commonly used for construction of the quay-following wharfs. At present, a floating pile driving platform, a self-elevating platform or a built fixed operation platform is conventionally used as a foundation for driving engineering piles, the floating pile driving platform and the self-elevating platform are used as special equipment, and can adapt to pile driving operation under different water depths and wave environments, but the cost is high, professional personnel are required to operate, the influence of the wave period during shifting is large, the shifting and positioning are long in time consumption and large in influence of sea condition environments, the positioning precision is not high during each position conversion, and the work efficiency is relatively low; when a fixed platform is erected as a foundation for driving engineering piles, the positioning precision is high, the position conversion is convenient in the platform range, the integrity degree of a general platform is not high, the adaptability of erecting the platform in severe environments such as open sea and the like is poor, and the platform is generally suitable for inland river and lake environments and is not suitable for offshore operation.
Context of the invention
The invention aims to solve the technical problem of providing a combined type unit steel structure crane pile driving platform capable of being quickly disassembled and assembled and a construction method, and the combined type unit steel structure crane pile driving platform has the advantages of low manufacturing cost, high platform modularization integrity, convenience in assembling and disassembling, accurate positioning control, convenience and effectiveness, independence on pile driving ship equipment, high construction safety, quickness and time saving in disassembling and quickness in turnover.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a combined type unit steel structure crane pile driving platform capable of being rapidly disassembled and assembled comprises a plurality of unit platforms, wherein each unit platform is arranged at the top of an engineering pile, and the unit platforms are detachably connected through a platform connecting structure to form a pile driving platform;
each unit platform comprises a platform longitudinal beam and a platform cross beam, the platform longitudinal beams and the platform cross beams are connected to form a crane supporting frame, and a crane advancing platform panel and a pedestrian passage plate are fixed on the crane supporting frame.
The platform longitudinal beam comprises a longitudinal beam main body, the lower end of the longitudinal beam main body is detachably connected with a longitudinal beam sleeper, and one side of the longitudinal beam main body is fixedly connected with a longitudinal beam side rib plate.
The platform cross beam comprises a cross beam main body, the cross beam main body is fixedly connected with a cross beam reinforcing plate, and the cross beam reinforcing plate is detachably connected with the longitudinal beam side rib plate.
The crane advancing platform panel comprises a first support assembly, the lower end of the first support assembly is detachably connected with the platform cross beam, and the upper end of the first support assembly is detachably connected with the crane sleeper.
The pedestrian passageway plate comprises a second support assembly, and the upper end of the second support assembly is welded with the mesh to form a whole; lifting hooks are welded on two sides of the second supporting assembly.
The platform connecting structure comprises a platform connecting plate fixed on one side of each unit platform, a bolt hole is drilled on the other side of each unit platform, and adjacent unit platforms are locked through the platform connecting plates and second locking bolts.
A method for constructing a combined type unit steel structure crane piling platform capable of being rapidly disassembled and assembled comprises the following steps:
the method comprises the following steps: respectively manufacturing a platform longitudinal beam, a platform cross beam, a platform connecting plate, a platform lifting hook, a crane traveling platform panel and a pedestrian passageway plate according to a platform structure drawing; connecting and fixing the structures according to the figures, and respectively completing the assembly of the three groups of unit platforms;
step two: firstly, two groups of double-row steel sheet piles are driven into land on the shoreside or a shoal shallow water area, and the length of the two groups of steel sheet piles is the same as that of the two groups of unit platforms; after the steel sheet pile is driven, the two groups of unit platforms are hoisted and placed on the steel sheet pile by using a crawler crane, and the first group of unit platforms and the second group of unit platforms are locked through a platform connecting structure;
step three: and filling a crawler crane running channel, wherein the channel is used for the crawler crane to run above the two sets of unit platforms. After the pile driving is finished, the crawler crane drives the pile driving platform, a group of steel sheet piles are driven in front of the crawler crane continuously, and the length of the group of steel sheet piles is equal to that of the group of unit platforms; after a group of steel sheet piles is completed, a third group of unit platforms are placed;
step four: the crawler crane starts to drive 2 groups of steel sheet piles in front of the third group of unit platforms; meanwhile, the crawler crane drives to the third group of unit platforms from the two groups of unit platforms after the crawler crane occupies the third group of unit platforms, after the crawler crane is in place, the crawler crane turns to lift the last group of unit platforms to the front, and the unit platforms are locked after placement is completed;
step five: the crawler crane continues to drive to the unit platforms in front, and the last group of unit platforms are hung and placed in front. After the placement is finished, the unit platform is locked, and thus, one cycle of steel sheet pile construction and unit platform hoisting rotation is finished;
step six: and repeating the fourth step and the fifth step, starting the construction of the steel sheet pile with the next cycle length, driving 2 groups of steel sheet piles each time, and after the construction is finished, disassembling and hoisting the two groups of unit platforms at the rear one by one to move to the front, and locking the two groups of unit platforms with the adjacent unit platforms.
The combined unit steel structure crane pile driving platform and the construction method thereof utilize the combined unit steel structure as the pile driving platform, structurally adopt a longitudinal and transverse beam structure type, have lighter self structure weight, have less platform component members, do not need to utilize a pile driving ship, and have safe and rapid moving process of the pile driving platform. By utilizing the bearing capacity and stability of the finished steel sheet pile, the pile driving platform and equipment above the pile driving platform are integrally in a stable state and are not influenced by wind waves, the safety risk of the whole construction process is reduced, the stability of the pile driving process is enhanced, the pile position control precision is high, and the pile sinking deviation is within the design error range. The pile driving platform hoists the platform member through the crawler crane in the moving process, automatically finishes the self-forward and self-backward movement of the platform, is simple to operate when moving, has few hoisting times and high moving speed, and has good practicability and market popularization and application values.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a left side view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a partial schematic view of fig. 2.
Fig. 4 is a top view of a manway plate of the present invention.
Fig. 5 is a front view of the pedestrian passageway plate of the present invention.
Fig. 6 is a front view of the platform connecting structure of the present invention.
Fig. 7 is a schematic view of a first working state of the present invention.
Fig. 8 is a schematic diagram of a second working state of the present invention.
Fig. 9 is a schematic diagram of a third working state of the present invention.
In the figure: the engineering pile comprises an engineering pile 1, a platform cross beam 2, a unit platform 3, platform longitudinal beams 1-1, longitudinal beam sleepers 1-2, longitudinal beam main bodies 1-3, longitudinal beam side rib plates 1-4, platform connecting structures 1-5, platform lifting hooks 1-6, lateral limiting plates 1-7, platform connecting plates 1-5.1, bolt holes 1-5.2, second locking bolts 1-5.3, cross beam main bodies 2-1, cross beam reinforcing plates 2-3, first locking bolts 2-4, crane traveling platform panels 2-5, pedestrian channel plates 2-6, first support assemblies 2-5.1, first connecting bolts 2-5.2, crane sleepers 2-5.3, second connecting bolts 2-5.4, second support assemblies 2-6.1, net sheets 2-6.2 and lifting hooks 2-6.3.
Detailed Description
As shown in figure 7, the combined type unit steel structure crane piling platform capable of being rapidly disassembled and assembled is formed by combining 3 sets of unit platforms 3.
As shown in fig. 1-2, each set of unit platforms 3 includes platform longitudinal beams 1-1, platform cross beams 2, platform connecting structures 1-5, crane traveling platform panels 2-5, and pedestrian passageway plates 2-6. A plurality of platform cross beams 2 are fixedly connected between two platform longitudinal beams 1-1 which are arranged in parallel, and the platform longitudinal beams 1-1 and the platform cross beams 2 form a crane supporting frame. A crane traveling platform panel 2-5 and a pedestrian passageway plate 2-6 are arranged above the platform beam 2, and the crane traveling platform panel 2-5 and the pedestrian passageway plate 2-6 are used for a crawler crane and constructors to pass through.
As shown in FIG. 3, the platform longitudinal beam 1-1 comprises a longitudinal beam main body 1-3 (the longitudinal beam main body 1-3 is formed by welding four steel plates to form a double-web H-shaped steel structure), longitudinal beam side rib plates 1-4, longitudinal beam sleepers 1-2, platform lifting hooks 1-6 and lateral limiting plates 1-7.
The upper portion of the longitudinal beam sleeper 1-2 is connected with the longitudinal beam main body 1-3 through bolts, one side of the longitudinal beam main body 1-3 is connected with a longitudinal beam side rib plate 1-4 in a welding mode, the platform lifting hook 1-6 is connected with the longitudinal beam main body 1-3 in a welding mode, and the lateral limiting plate 1-7 is welded on the outer side face of a bottom plate of the longitudinal beam main body 1-3.
The lateral limiting plates 1-7 limit the left and right lateral sliding of the platform, and when the left and right side elevations of the platform have slight deviation, the lateral limiting plates can enable the platform to keep stable. The longitudinal beam sleepers 1-2 (supporting the crawler crane to walk above) are made of wood, so that the whole weight of the platform can be reduced, the friction coefficient of the surface of the wood is larger than that of steel, the crawler crane can walk on the wood more stably, and compared with the steel, the wood cannot be corroded and rusted in a sea condition environment, and the durability is higher.
As shown in FIG. 3, the platform beam 2 is composed of a beam body 2-1 (H-shaped steel) and a beam reinforcement plate 2-3. The platform cross beam 2 and the platform longitudinal beam 1-1 adopt a socket structure, the cross beam reinforcing plate 2-3 and the longitudinal beam side rib plate 1-4 are fixed by a first locking bolt 2-4, and the cross beam supporting base plate 2-2 is adopted as a reinforcing base plate at the junction of the platform cross beam 2 and the platform longitudinal beam 1-1.
As shown in fig. 3, the crane traveling platform panel 2-5 is composed of a first support assembly 2-5.1 (a plurality of H-shaped steel plates), and a crane sleeper 2-5.3, and the first support assembly 2-5.1 is fixedly connected with the platform beam 2 by a first connecting bolt 2-5.2. The crane sleepers 2-5.3 are fixedly connected with the first support assemblies 2-5.1 through second connecting bolts 2-5.4. And 2-5.3 of the crane sleeper is used as a crawler crane traveling platform.
As shown in fig. 4-5, the pedestrian passageway plate 2-6 is composed of a second support assembly 2-6.1 (a plurality of i-shaped steel) and a net piece 2-6.2 (square steel), and the second support assemblies 2-6.1 and the net piece 2-6.2 are welded into a whole. I-steel welding lifting hooks 2-6.3 on two sides of the pedestrian passageway plate 2-6 along the length direction are used for lifting. The walkway plates 2-6 are placed freely above the cross beam 2.
As shown in fig. 6, the platform connecting structures 1-5 are used for connecting the assembled unit platforms 3 to form a combined steel structure platform, a socket structure is formed between the single unit platforms 3 by the platform connecting plates 1-5.1 and the bolt holes 1-5.2, and the single unit platforms are locked by the second locking bolts 1-5.3, so that the overall stability of the combined platform is ensured.
A concrete construction method of a combined unit steel structure crane piling platform comprises the following steps:
the method comprises the following steps: according to a platform structure drawing, a platform longitudinal beam 1-1, a platform cross beam 2, a platform connecting plate 1-5.1, a platform lifting hook 1-6, a crane traveling platform panel 2-5 and a pedestrian channel plate 2-6 are respectively manufactured. The above structures are connected and fixed as shown in the figure, and the assembly of the three sets of unit platforms 3 is completed respectively.
Step two: two groups of double-row steel sheet piles (namely the engineering piles 1) are firstly driven into land on the shoreside or a shoal shallow water area, and the length of the two groups of steel sheet piles is equal to that of the two groups of unit platforms 3. After the steel sheet pile is driven, the two groups of unit platforms 3 are hoisted and placed on the steel sheet pile by using a crawler crane, and the first group of unit platforms 3 and the second group of unit platforms 3 are locked through the platform connecting structures 1-5. As shown in FIG. 7, the first set of unit platforms 3 and the second set of unit platforms 3 are labeled as (i) and (ii), respectively.
Step three: and filling a crawler crane running channel for the crawler crane to run above the two sets of unit platforms 3. And after the pile driving is finished, the crawler crane drives the pile driving platform, and a group of steel sheet piles are driven in front of the crawler crane continuously, wherein the length of the group of steel sheet piles is the length of the group of unit platforms 3. And after a group of steel sheet piles are completed, placing a third group of unit platforms. As shown in fig. 7, the third group of unit platforms 3 is marked by symbol (c).
Step four: the crawler crane starts to drive 2 groups of steel sheet piles in front of the third group of unit platforms 3; meanwhile, the crawler crane drives the second two groups of unit platforms 3 to the third group of unit platforms 3, the crawler crane turns to lift the last group of unit platforms 3 to the front, and after placement is completed, the second locking bolts 1-5.3 are used for locking the two groups of unit platforms 3 at the platform connecting plates 1-5.1. Resulting in the state shown in fig. 8.
Step five: the crawler crane continues to drive toward the unit platforms 3 in front, and the last group of unit platforms 3 is hoisted and placed in front. After the placement is finished, the two groups of unit platforms 3 are locked at the platform connecting plates 1-5.1 by using second locking bolts 1-5.3, and thus, one cycle of steel sheet pile construction and the lifting rotation of the unit platforms 3 are finished. Resulting in the state shown in fig. 9.
Step six: and repeating the fourth step and the fifth step, starting the construction of the steel sheet piles with the next cycle length, driving 2 groups of steel sheet piles each time, and after the construction is finished, disassembling, hoisting and transferring the rear 2 groups of unit platforms 3 one by one to the front, and locking the rear 2 groups of unit platforms with adjacent platforms. The 3 groups of platform structures are recycled, the equipment utilization rate is high, the construction cost is controlled, and the operation speed is very high.
Claims (7)
1. The utility model provides a but quick assembly disassembly's combination formula unit steel construction crane pile driving platform which characterized in that: the pile driving device comprises a plurality of unit platforms (3), wherein each unit platform (3) is arranged at the top of an engineering pile (1), and the plurality of unit platforms (3) are detachably connected through platform connecting structures (1-5) to form a pile driving platform;
each unit platform comprises a platform longitudinal beam (1-1) and a platform cross beam (2), the platform longitudinal beam (1-1) and the platform cross beam (2) are connected to form a crane supporting frame, and a crane advancing platform panel (2-5) and a pedestrian channel plate (2-6) are fixed on the crane supporting frame.
2. The quickly detachable combined type unit steel structure crane piling platform is characterized in that: the platform longitudinal beam (1-1) comprises a longitudinal beam main body (1-3), the lower end of the longitudinal beam main body (1-3) is detachably connected with a longitudinal beam sleeper (1-2), and one side of the longitudinal beam main body (1-3) is fixedly connected with a longitudinal beam side rib plate (1-4).
3. The quickly detachable combined type unit steel structure crane piling platform is characterized in that: the platform crossbeam (2) comprises a crossbeam main body (2-1), the crossbeam main body (2-1) is fixedly connected with a crossbeam reinforcing plate (2-3), and the crossbeam reinforcing plate (2-3) is detachably connected with a longitudinal beam side rib plate (1-4).
4. The quickly detachable combined type unit steel structure crane piling platform is characterized in that: the crane traveling platform panel (2-5) comprises a first support assembly (2-5.1), the lower end of the first support assembly (2-5.1) is detachably connected with the platform beam (2), and the upper end of the first support assembly is detachably connected with the crane sleeper (2-5.3).
5. The quickly detachable combined type unit steel structure crane piling platform is characterized in that: the pedestrian passage plate (2-6) comprises a second support assembly (2-6.1), and the upper end of the second support assembly (2-6.1) is welded with the mesh (2-6.2) into a whole; lifting hooks (2-6.3) are welded on two sides of the second supporting assembly (2-6.1).
6. The quickly detachable combined type unit steel structure crane piling platform is characterized in that: the platform connecting structure (1-5) comprises a platform connecting plate (1-5.1) fixed on one side of each unit platform (3), a bolt hole (1-5.2) is drilled on the other side of each unit platform (3), and adjacent unit platforms (3) are locked through the platform connecting plates (1-5.1) and second locking bolts (1-5.3).
7. The method for constructing the combined type unit steel structure crane piling platform capable of being disassembled and assembled rapidly as claimed in claim 1, comprising the following steps:
the method comprises the following steps: respectively manufacturing a platform longitudinal beam (1-1), a platform cross beam (2), a platform connecting plate (1-5.1), a platform lifting hook (1-6), a crane traveling platform panel (2-5) and a pedestrian channel plate (2-6) according to a platform structure drawing; connecting and fixing the structures according to the figures, and respectively finishing the assembly of the three groups of unit platforms (3);
step two: firstly, two groups of double-row steel sheet piles are driven into land on the shoreside or a shoal shallow water area, and the length of the two groups of steel sheet piles is the same as that of the two groups of unit platforms (3); after the steel sheet pile is driven, the two groups of unit platforms (3) are hoisted and placed on the steel sheet pile by using a crawler crane, and the first group of unit platforms (3) and the second group of unit platforms (3) are locked through platform connecting structures (1-5);
step three: filling a crawler crane running channel, wherein the channel is used for the crawler crane to run above the two sets of unit platforms (3);
after the pile driving is finished, the crawler crane drives the pile driving platform, a group of steel sheet piles are driven in front of the crawler crane continuously, and the length of the group of steel sheet piles is equal to that of the group of unit platforms (3); after a group of steel sheet piles is completed, a third group of unit platforms are placed;
step four: the crawler crane starts to drive 2 groups of steel sheet piles in front of the third group of unit platforms (3); meanwhile, the crawler crane drives the second two groups of unit platforms (3) to the third group of unit platforms (3), after the crawler crane is in place, the crawler crane turns to lift the last group of unit platforms (3) to the front, and the unit platforms (3) are locked after placement is completed;
step five: the crawler crane continues to drive to the unit platforms (3) in front, and the last group of unit platforms (3) are hung and placed in front;
after the placement is finished, the unit platform (3) is locked, and thus, one cycle of steel sheet pile construction and the hoisting rotation of the unit platform (3) are finished;
step six: and repeating the fourth step and the fifth step, starting the construction of the steel sheet pile with the next cycle length, driving 2 groups of steel sheet piles each time, disassembling, hanging, rotating and moving the two groups of rear unit platforms (3) one by one to the front after the construction is finished, and locking the two groups of rear unit platforms (3) with the adjacent unit platforms (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011432419.6A CN112523213A (en) | 2020-12-09 | 2020-12-09 | Combined type unit steel structure crane piling platform capable of being rapidly disassembled and assembled and construction method |
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| CN202011432419.6A CN112523213A (en) | 2020-12-09 | 2020-12-09 | Combined type unit steel structure crane piling platform capable of being rapidly disassembled and assembled and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492102A (en) * | 2022-09-30 | 2022-12-20 | 中铁二十局集团第一工程有限公司 | Construction method of piling platform unit |
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2020
- 2020-12-09 CN CN202011432419.6A patent/CN112523213A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492102A (en) * | 2022-09-30 | 2022-12-20 | 中铁二十局集团第一工程有限公司 | Construction method of piling platform unit |
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