CN114991072B - Working platform and working method for dredging and stone throwing among piles of high-pile wharf - Google Patents
Working platform and working method for dredging and stone throwing among piles of high-pile wharf Download PDFInfo
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- CN114991072B CN114991072B CN202210554481.5A CN202210554481A CN114991072B CN 114991072 B CN114991072 B CN 114991072B CN 202210554481 A CN202210554481 A CN 202210554481A CN 114991072 B CN114991072 B CN 114991072B
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- 239000004575 stone Substances 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000010276 construction Methods 0.000 claims abstract description 50
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000002689 soil Substances 0.000 claims description 12
- 238000009412 basement excavation Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000009991 scouring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/068—Landing stages for vessels
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/10—Placing gravel or light material under water inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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Abstract
The invention relates to the technical field of wharf construction, in particular to a high-pile wharf inter-pile dredging and stone throwing operation platform and an operation method. The pile top supporting device is sleeved at the top of the pile foundation; at least two pile top tracks arranged along the length direction of the wharf; the lower end of the main supporting structure is supported on the pile top track; the truss structure is fixed on the main supporting structure; the auxiliary supporting structure is a vertical jacking structure, the upper end of the auxiliary supporting structure is fixedly connected with the main truss, and the lower end of the auxiliary supporting structure is supported at the top of the pile foundation when the pile top track moves across; the traveling device is arranged at the lower end of the main supporting structure and used for driving the main supporting structure and the pile top rail to generate relative displacement along the length direction of the wharf; and the working device is arranged on the truss structure and is used for carrying out dredging and stone throwing. The pile top operation platform is convenient to operate, and can realize synchronous pile foundation construction and inter-pile operation.
Description
Technical Field
The invention relates to the technical field of wharf construction, in particular to a high-pile wharf inter-pile dredging and stone throwing operation platform and an operation method.
Background
The construction of the high pile wharf is usually carried out by firstly carrying out underwater shoreside dredging, then sinking piles and shoreside riprap protection, and then carrying out construction of a pile head upper structure, thereby forming flow production. The dredging depth of the quay bank slope is large, the construction time is long, especially under the condition of complex geological conditions of the bank slope, the dredging work efficiency of the bank slope is low, other working surfaces cannot be developed, the resource waste in the current period is easy to cause, the whole construction progress is lagged, especially for the project with the shortage of construction period, the water pile sinking is required; in addition, the water depth of a water area near a wharf is usually small, so that the requirements of ships such as dredgers, cutter suction ships and the like on draft are difficult to meet, a long-arm dredger is considered to dredge a bank slope from a bank side platform, the requirements of the dredging width and depth of a mechanical arm cannot be met, and therefore both on-water and on-land dredgers are difficult to develop; in addition, the water operations such as shoreside dredging and stone throwing are greatly influenced by tide and waves, the stone throwing protection operation space between piles is limited, the shoreside area cannot be fully covered, the safety risk is high, the upper and lower working procedures in the traditional process flow operation process are slowly carried out, and the construction efficiency and the construction quality are further limited.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provides a high pile wharf inter-pile dredging and stone throwing operation platform and an operation method.
The technical scheme of the invention is as follows: a high pile wharf inter-pile dredging and stoning work platform comprising:
the pile top supporting devices are sleeved at the top of the pile foundation;
the pile top rails are arranged along the length direction of the wharf, are arranged at the tops of a plurality of pile foundations in the length direction of the wharf in a pile row through pile top supporting devices, and are arranged at intervals along the width direction of the wharf;
the lower end of the main supporting structure is supported on the pile top track;
a truss structure secured to the primary support structure;
the auxiliary supporting structure is a vertical jacking structure, the upper end of the auxiliary supporting structure is fixedly connected with the main truss, and the lower end of the auxiliary supporting structure is supported at the top of the pile foundation when the pile top track moves across;
the traveling device is arranged at the lower end of the main supporting structure and used for driving the main supporting structure and the pile top rail to generate relative displacement along the length direction of the wharf;
and the working device is arranged on the truss structure and is used for carrying out dredging and stone throwing operations.
The invention provides a high pile wharf inter-pile dredging and stone throwing operation platform, which also comprises a limiting device; the upper end of the limiting device is fixed on the main supporting structure, and the lower end of the limiting device is fixedly connected with the pile top rail in the vertical direction and is in sliding connection with the pile top rail along the length direction of the wharf.
The invention provides a high pile wharf inter-pile dredging and stone throwing operation platform, which also comprises a limiting device; the limiting device comprises a limiting device, wherein the limiting device comprises a limiting device,
the limiting cross beam is arranged along the width direction of the wharf and fixedly connected with the main supporting structure;
the limiting rods are arranged in multiple groups, the limiting rods are arranged on the limiting cross beams at intervals along the width direction of the wharf, and each group of limiting rods comprises two limiting rods which are oppositely arranged at two sides of the limiting cross beams;
the lower roller is arranged at the lower end of the limiting rod and is positioned below the bosses on two sides of the pile top rail.
According to the working platform for dredging and stone throwing among piles of the high-pile wharf, the limiting device also comprises,
the upper roller is fixed on the limiting rod and is arranged above the boss and opposite to the lower roller.
The invention provides a working platform for dredging and stone throwing among piles of a high pile wharf, which comprises a traveling device,
a traveling gear; the traveling gear is a gear structure which is in meshed transmission connection with a rack structure on the pile top rail, and the traveling gear is driven to move on the rack structure through a driving device on the main supporting structure.
The invention provides a high pile wharf inter-pile dredging and stone throwing operation platform, the pile top supporting device comprises,
the circular steel plate is a plate-shaped structure fixed at the lower end of the main supporting structure or the auxiliary supporting structure;
the stiffening plates are arranged at intervals along the circumferential direction by taking the central line of the round steel plate as an axis, and form a circular sleeve-shaped limiting structure with an opening at the lower end;
the rubber backing plate is located one side of the stiffening plate, facing the center line of the round steel plate, and is used for being tightly attached to the outer side of the pile foundation when the pile foundation is connected.
According to the invention, the working device comprises a stone throwing working device; the stone throwing operation device comprises a stone throwing operation device body,
the main beam is a beam body structure arranged along the length direction of the wharf, can be movably connected with the truss structure along the width direction of the wharf,
the stone throwing crown block can be movably connected to the main cross beam along the length direction of the wharf, and the stone throwing crown block is provided with a stone throwing grab bucket.
According to the working platform for dredging and stone throwing among piles of the high pile wharf, the working device comprises a dredging working device; the dredging operation device comprises a dredging device, a dredging device and a dredging device,
the movable cross beam can be movably connected to the truss structure along the width direction of the wharf;
the dredge crown block can be connected to the movable cross beam in a movable mode along the length direction of the wharf, and a dredge grab bucket is arranged on the dredge crown block.
According to the working platform for dredging and stone throwing among piles of the high pile wharf, the working device further comprises a transfer bin positioned on the shore side; the transfer bin comprises a transfer bin body and a transfer bin body,
the storage bin rail is arranged along the length direction of the wharf;
the feed bin, the feed bin can be on the feed bin track movable be connected to the feed bin track.
According to the invention, the truss structure comprises,
at least two main stringers, wherein the main stringers are arranged along the width direction of the wharf, and adjacent main stringers are arranged at intervals along the length direction of the wharf;
the two ends of the connecting cross beam are respectively fixed on two adjacent main longitudinal beams to form a frame structure with the main longitudinal beams.
The method for dredging and riprapping among piles of the high-pile wharf comprises the following steps:
s1, after 3-5 rows of bent frames are completed by partial pile foundation water pile sinking, hoisting a pile top rail with a pile top supporting device to the top of a pile foundation, and sequentially installing a main supporting structure, an auxiliary supporting structure, a truss structure and an operation device on the pile top rail from bottom to top;
s2, pile foundation construction is continuously advanced, and the working device is utilized to carry out dredging and stone throwing construction among piles;
and S3, after the inter-pile dredging and stone throwing in the working range of the truss structure are completed, supporting the auxiliary supporting structure on the top of the pile foundation and jacking the truss structure, driving the pile top rail by the traveling device to move to the next working position along the length direction of the wharf, and after the traveling device moves in place, lowering the truss structure by the auxiliary supporting structure to enable the pile top rail to be fixed on the top of the pile foundation again, transferring the weight of the truss structure to the main supporting structure, and carrying out the working on the working area according to the working procedure of the step S2, wherein the working area is sequentially carried out until the dredging and stone throwing construction of all the working areas is completed.
According to the method for dredging and stone throwing among piles of a high pile wharf, in the step S3, the method for driving a pile top rail to move to a next working position along the length direction of the wharf by a traveling device comprises the following steps: the lower end of the auxiliary supporting structure is supported at the top of the pile foundation, the truss structure is jacked up, the truss structure, the main supporting structure and the pile top rail vertically move until the pile top supporting device on the pile top rail is completely separated from the top of the pile foundation, and the traveling device is reversely driven, so that the pile top rail moves to the next operation position along the length direction of the wharf.
According to the method for dredging and riprapping among piles of a high pile wharf, in the step S2, the method for dredging and riprapping among piles by using the operation device comprises the following steps: the height and the posture of a dredge grab bucket in the operation device are adjusted, the dredge grab bucket breaks earth, fetches earth and tidies slopes, the dredge grab bucket lifts to be above the water surface after grabbing earth, then slides to the front edge of the wharf along the width direction of the wharf, the earth is conveyed to a transport ship close to the sea, and then the dredge grab bucket returns to continue to excavate the earth until the excavation of the earth among piles within the range of the truss structure is completed;
meanwhile, a stone throwing grab bucket which is put down is driven by a stone throwing crown block in the operation device to grab stones from a storage bin used for transferring the stones at the side of a shore, then the stones are transferred into a bent frame, the height and the posture of the stone throwing grab bucket are adjusted, then the stone throwing grab bucket is protected against a shore slope, the stone throwing grab bucket moves back and forth along the width direction of a wharf for operation, and the stone throwing grab bucket is protected until the stone throwing protection within the range of a truss structure is completed.
The invention has the advantages that: 1. according to the invention, the pile top platform is constructed at the top of the pile foundation, and in the pile foundation construction process of a high-pile wharf, the working procedures of pile-to-pile construction, over-water pile sinking, shoreside dredging and protection, wharf superstructure construction and the like can be carried out simultaneously, so that grid parallel construction is formed, the full allocation of resources is realized, and the overall construction efficiency of projects is greatly improved;
in addition, the pile top platform can drive the pile top rail to move along the length direction of the wharf, so that the whole pile top platform can move and span, the pile top platform can conveniently perform inter-pile operation on a pile foundation coverage area, the moving mode is simple, the operation is convenient, and the pile top platform has great popularization value;
2. according to the invention, the limiting device is arranged on the main supporting structure and used for connecting the pile top rail, so that the pile top rail is fixedly connected with the main supporting structure in the vertical direction and is connected in a sliding manner along the length direction of the wharf, the pile top rail is conveniently driven in the process of moving and straddling the pile top rail, and the moving difficulty of the pile top operation platform on the pile top is greatly reduced;
3. the limiting device is simple in structure, facilitates the movement of the pile top rail in the pile top operation platform moving and crossing process, reduces the difficulty of the pile top rail moving and crossing, and improves the operation and construction efficiency of the whole pile top operation platform;
4. the traveling device comprises the traveling gear, the traveling gear is driven by the driving device on the main supporting structure, the traveling gear is in meshed transmission connection with the rack structure on the pile top rail, when the pile top rail is fixed with the pile foundation, the main supporting structure and the truss structure can be driven to move on the pile top rail by the driving of the traveling gear, and when the pile top rail is separated from the pile foundation, the pile top rail can be driven to move to the next operation position along the length direction of the wharf by the driving of the traveling gear, and the adjustment mode is simple;
5. the pile top supporting device is a supporting structure sleeved on the pile top, is extremely simple and convenient to sleeve on the pile top and separate from the pile top, can be stably supported on the pile top during operation construction, and can be conveniently separated from the pile top during span shifting;
6. according to the invention, the stone throwing operation device is arranged on the truss structure, the stone throwing operation device can perform stone throwing operation on pile foundation piles, the stone throwing protection construction process is not influenced by factors such as tide, waves, water depth and the like, the stone throwing operation efficiency is high, and the construction difficulty is low;
7. the invention arranges the dredger on the truss structure, the dredger can carry out dredging construction between piles, realizes full-coverage of the quay on the shoreside, has high degree of automation, and solves the problems of large shoreside excavation depth, complex geological conditions, limited inter-pile working space and the like;
8. according to the invention, the shoreside stone throwing protection and the mud digging between piles are constructed at intervals of only one bent frame, continuous follow-up and timely protection are realized, the problems of scouring or back siltation caused by water flow and waves after the soil between piles is excavated are avoided, and the shoreside protection construction quality is improved;
9. according to the invention, the storage bin structure is arranged on the bank slope, the material transfer is very convenient through the storage bin structure, and the storage bin structure is matched with the stone throwing operation device, so that the stone throwing operation efficiency is greatly improved;
10. the construction method is extremely simple, improves the traditional construction process, carries out pile-to-pile construction after the pile is sunk on water, can simultaneously carry out the working procedures of pile sinking on water, dredging and protecting on a bank slope, constructing a structure on the upper part of a wharf and the like, forms grid parallel construction, realizes full allocation of resources, and greatly improves the overall construction efficacy of projects;
the pile top operation platform disclosed by the invention is simple in structure and convenient to operate, can realize synchronous progress of pile foundation construction and inter-pile operation, greatly improves the efficiency of wharf construction, and has great popularization value.
Drawings
Fig. 1: the front view of the pile top operation platform is provided;
fig. 2: the pile top operation platform is in side view;
fig. 3: the limiting device is structurally schematic;
fig. 4: the connection structure of the limiting device and the pile top track is schematically shown;
fig. 5: the pile top supporting device is in side view;
fig. 6: the pile top supporting device is in top view;
fig. 7: the pile top operation platform is constructed in a top view;
fig. 8: the pile top operation platform walking schematic diagram of the invention;
fig. 9: the pile top operation platform of the invention moves across the schematic diagram;
wherein: 1-pile foundation; 2-pile top supporting device; 2.1-round steel plate; 2.2-stiffening plates; 2.3-rubber backing plate; 3-pile top track; 4-a walking gear; 5-main leg; 6-auxiliary support legs; 7-a limiting beam; 8-a limiting device; 8.1-a limit rod; 8.2-lower roller; 8.3-a boss; 8.4-upper rollers; 9-a main longitudinal beam; 10-moving a cross beam; 11-a main beam; 12-a stone throwing crown block; 13-a dredge grab; 14-a stone throwing grab bucket; 15-a transport vessel; 16-bin; 17-bin track; 18-a dredge crown block; 19-connecting cross beam.
Detailed Description
Embodiments of the present invention are described in detail below, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
The invention will now be described in further detail with reference to the drawings and to specific examples.
The pile top operation wharf of the embodiment mainly performs dredging and stone throwing operations on piles, can realize simultaneous construction of upper structures such as water pile sinking, pile dredging, shoreside stone throwing, pile cap, node, beam plate installation and the like, forms a grid parallel construction mode, and realizes high-efficiency and high-quality construction of wharfs.
Specifically, as shown in fig. 1 to 6, the pile top working platform of the present embodiment is supported on the top of the pile foundation 1, and includes a plurality of pile top supporting devices 2, where the pile top supporting devices 2 are supporting structures arranged on the top of the pile foundation 1 and are used for supporting the pile top working platform.
The pile head rail 3 of the embodiment is arranged along the length direction of the wharf, at least two pile head rails 3 are arranged on the pile head working platform, a plurality of pile head supporting devices 2 are arranged on each pile head rail 3, the pile head supporting devices 2 are arranged at the tops of a plurality of pile foundations 1 in the length direction of the wharf in a pile row, and adjacent pile head rails 3 are arranged at intervals along the width direction of the wharf.
The pile top operation platform further comprises a main support structure, a plurality of main support structures are arranged on each pile top track 3, the main support structures are arranged at intervals along the length direction of the pile top track 3, and the main support structure is a support structure for the whole pile top operation platform to walk and move and mainly comprises main support legs 5 shown in fig. 5.
And also comprises a truss structure which is a frame structure fixed on top of the main leg 5 and is used for bearing equipment for performing inter-pile operations.
Still include auxiliary support structure, as shown in fig. 6, auxiliary support structure includes auxiliary landing leg 6, and auxiliary landing leg 6 is the landing leg structure that can vertical jacking, and pile top strutting arrangement 2 is installed to the upper end of auxiliary landing leg 6 on truss structure, the lower extreme, and auxiliary landing leg 6 is used for jacking whole truss structure when pile top operation platform needs to move to stride, makes pile top track 3 break away from the pile foundation top, makes things convenient for pile top track 3 to remove to next construction position. Be provided with a plurality of auxiliary support legs 6 on the truss structure, the quantity of auxiliary support legs 6 is set for according to actual demand, and the requirement can be stable with the truss structure jacking.
The walking device of the embodiment is arranged at the lower end of the main supporting structure, namely at the lower end of the main supporting leg 5, and is used for driving the main supporting structure and the pile top rail 3 to generate relative displacement along the length direction of the wharf. The running gear has two functions, namely, when the pile top rail 3 is fixed at the top of the pile foundation 1, the main supporting leg 5 is driven to move and travel along the length direction of the pile top rail 3; and secondly, when the pile top rail 3 is separated from the top of the pile foundation 1, the pile top rail 3 is driven to move along the length direction of the wharf.
The present invention is not limited to the above-described construction, and may be applied to any construction, such as a construction in which a pile is supported by a truss structure.
In actual use, the pile top rail 3 with the pile top support 2 is arranged on the top of the pile foundation 1 of the pile row after the pile is inserted and driven in a lifting mode, in this embodiment, pile sinking is carried out on water to construct a pile row of a part of high pile wharf, and then pile construction is carried out by taking the pile row after the pile is completed as a bearing foundation. When the pile top rail 3 is installed, the main support leg 5, the auxiliary support leg 6 and the truss structure are sequentially installed on the pile top rail 3, and the working equipment is installed on the truss structure.
After the installation is completed, the operation and construction can be carried out between piles by using operation equipment on the truss structure, such as dredging among piles, shoveling and the like, and the other pile foundation 1 constructions of the high pile wharf can be synchronously carried out, and during the period, the main supporting leg 5 can walk on the pile top track 3, so that the operation range is enlarged. When the operations within the truss structure are completed, the pile top rail 3 needs to be moved to a next construction position.
The auxiliary supporting leg 6 is lowered, the pile top supporting device 2 on the auxiliary supporting leg 6 is lowered to the top of the pile foundation 1 below, vertical jacking is continued, the truss structure is jacked upwards, the weight of the truss structure is transferred to the auxiliary supporting leg 6, then the pile top track 3 is driven in a reverse direction through the travelling device, the pile top track 3 moves to the next construction position along the length direction of the wharf, after moving in place, the auxiliary supporting leg 6 is retracted, the weight of the truss structure is transferred to the main supporting leg 5 again, then the main supporting leg 5 is retracted continuously, the pile top supporting device 2 on the auxiliary supporting leg 6 is separated from the top of the pile foundation 1, and span moving is completed.
In the process of pile-to-pile operation, the pile sinking operation of the high pile wharf can be synchronously performed, and the construction efficiency of the high pile wharf is greatly improved.
In a further embodiment, a limiting device is arranged between the main support leg 5 and the pile top rail 3, the upper end of the limiting device is fixed on the main support leg 5, the lower end of the limiting device is fixedly connected with the pile top rail 3 in the vertical direction, and the limiting device is in sliding connection with the pile top rail 3 along the length direction of the wharf.
When the pile top rail 3 is fixed at the top of the pile foundation 1, the main support legs 5 can move on the pile top rail 3 under the action of the travelling device; when the auxiliary supporting leg 6 vertically jacks up the truss structure, the main supporting leg 5 moves upwards along with the truss structure, the pile top rail 3 moves upwards along with the main supporting leg 5 under the action of the limiting device, the pile top supporting device 2 on the pile top rail 3 is completely separated from the top of the pile foundation 1, and at the moment, the running gear is driven reversely, so that the pile top rail 3 can be driven to move to the next construction position along the length direction of the wharf. After the limiting device is added, the pile top track 3 is more convenient and stable to move.
In a further embodiment, as shown in fig. 1, 3 and 4, the limiting device comprises a limiting beam 7, limiting rods 8.1, a lower roller 8.2 and an upper roller 8.4, wherein the limiting beam 7 is a beam body arranged along the width direction of the wharf, the limiting beam 7 is fixed on two main support legs 5 adjacently arranged along the length direction of the wharf, a plurality of groups of limiting rods 8.1 are arranged on the limiting beam 7, and each group of limiting rods 8.1 comprises two limiting rods 8.1 oppositely arranged at two sides of the limiting beam 7. The limiting rod 8.1 is of an L-shaped structure, the upper end of the limiting rod is fixed on the limiting cross beam 7, and the lower end of the limiting rod is provided with a lower roller 8.2. In this embodiment, protruding bosses 8.3 are provided on two sides of the pile top rail 3, and the bosses 8.3 are arranged in an extending manner along the length direction of the wharf (actually, in the i-steel structure at the position of the pile top rail 3, the upper end wing plate of the pile top rail 3 forms the bosses 8.3), and the lower roller 8.2 extends below the bosses 8.3 and is slidably connected with the pile top rail 3. The upper roller 8.4 is fixed on the limit rod 8.1, the upper roller 8.4 is supported on the upper end surface of the boss 8.3, and can be actually supported on the upper end surface of the pile top rail 3, so long as the vertical displacement of the pile top rail 3 can be further limited. The pile top rail 3 is clamped and fixed by the upper roller 8.4 and the lower roller 8.2, and the connection stability between the pile top rail 3 and the limiting rod 8.1 can be further improved. The stop bar 8.1 can be displaced relative to the pile top rail 3 in the longitudinal direction of the quay, but in the vertical direction both are fixed.
In another embodiment, the running gear is optimized, as shown in fig. 1, the running gear comprises a running gear 4, a rack structure is arranged on the upper end face of the pile top track 3, and the running gear is in meshed transmission connection with the rack structure. The main support leg 3 is provided with a driving device, the driving device drives the traveling gear 4 to rotate, the traveling gear 4 rotates on the rack structure to generate driving acting force, and the main support leg 5 and the pile top rail 3 are driven to generate relative displacement along the length direction of the wharf.
In another embodiment, the pile top supporting device of the present embodiment includes a circular steel plate 2.1, stiffening plates 2.2 and a rubber backing plate 2.3, as shown in fig. 5 to 6, the circular steel plate 2.1 is a plate structure fixed at the lower end of the main supporting leg 5 or the auxiliary supporting leg 6, a plurality of stiffening plates 2.2 are disposed at the lower end surface of the circular steel plate 2.1, and the plurality of stiffening plates 2.2 are disposed at intervals along the circumferential direction on the lower end surface of the circular steel plate 2.1 with the center line of the circular steel plate 2.1 as an axis, so as to form a ring sleeve-shaped limiting structure with an opening at the lower end. The rubber backing plate 2.3 is positioned on one side of the stiffening plate 2.2 facing the center line of the circular steel plate 2.1 and is used for being tightly attached to the outer side of the pile foundation 1 when the pile foundation 1 is connected. Considering the fastening problem of pile top strutting arrangement 2 and pile foundation 1, this embodiment is provided with locking structure on pile top strutting arrangement 2, when pile top strutting arrangement 2 is fixed with pile foundation 1, locks pile top strutting arrangement 2 and pile foundation 1 through locking structure, and stability is better.
When the pile top supporting device is used, the pile top supporting device 2 is directly sleeved at the top of the pile foundation 1, and the rubber backing plate 2.3 is pressed down by members above the pile top supporting device 2, so that the rubber backing plate 2.3 is tightly attached to the outer end face of the pile foundation 1. When the pile top supporting device 2 moves upwards, the rubber backing plate 2.3 is retracted, so that the pile top supporting device 2 is conveniently separated from the pile foundation 1.
In another embodiment, the truss structure of the present embodiment includes at least two main stringers 11, the main stringers 11 being arranged in the dock width direction, adjacent main stringers 11 being spaced apart in the dock length direction. A connecting cross beam 19 is arranged between the adjacent main longitudinal beams 11, and two ends of the connecting cross beam 19 are respectively fixed on the two adjacent main longitudinal beams 11 to form a frame structure with the main longitudinal beams 11.
The truss structure is a supporting structure for carrying the working equipment, and the main stringers 11 on the truss structure can be a track structure for the movement of the working equipment.
In a preferred embodiment, as shown in fig. 1-2, the working device of the present embodiment comprises a stone throwing working device comprising a main beam 11 and a stone throwing crown 12, wherein the main beam 11 is a beam structure arranged in the dock length direction, and the main beam 11 is movably connected to the main beam 11 in the dock width direction. The riprap crown block 12 is movably connected to the main beam 11 along the length direction of the wharf, and a riprap grab 14 is arranged on the riprap crown block 12.
The stone throwing grab bucket 14 is used for grabbing materials to perform stone throwing operation, the main cross beam 11 moves along the width direction of the wharf, and the stone throwing crown block 12 moves along the length direction of the wharf, so that the stone throwing position of the stone throwing grab bucket 14 is adjusted.
In a further embodiment, as shown in fig. 1-2, the working device of the present embodiment comprises a dredging working device, and the bank dredging working device comprises a movable cross member 10 and a dredging crown block 18, wherein the movable cross member 10 is movably connected to the main girder 11 in the wharf width direction. The dredge crown block 18 is movably connected to the movable cross beam 10 along the wharf length direction, and a dredge grab bucket 13 is arranged on the dredge crown block 18.
The dredging grab bucket 13 is used for dredging among piles, the movable cross beam 10 moves along the width direction of the wharf, and the dredging crown block 18 moves along the length direction of the wharf, so that the dredging position of the dredging grab bucket 13 is adjusted.
In addition, in order to cooperate with the dredging operation, the present embodiment is provided with a transport ship 15 on the sea side of the pile top working platform, and the dredged sludge from the dredging grab 13 can be transported by the transport ship 15.
In another embodiment, the working device of the present embodiment further includes a transfer bin located on the shore side, as shown in fig. 7 to 9, the transfer bin includes a bin rail 17 and a bin 16, the bin rail 17 is disposed on the shore in the wharf length direction, and the bin 16 is movably connected to the bin rail 17 on the bin rail 17. The storage bin 16 is the same as transferring materials, and facilitates construction operation of the pile top operation platform.
The embodiment also provides a pile top operation method of the high pile wharf, which comprises the following steps:
step S1: after the pile foundation 1 is sunk on water and the (1) to (4) bent frames are completed, two pile top tracks 3 are respectively arranged on the pile foundation 1 on the sea side and the shore side of the bent frames (1) to (3) (as shown in fig. 7), three pile top supporting devices 2 are arranged at the bottom of each pile top track 3 according to standard bent frame intervals, the pile top supporting devices 2 are sleeved on the tops of the pile foundations 1, the installation and arrangement of the pile top tracks 3 can be completed, and one pile top supporting device 2 is additionally arranged at the front end of the pile top track 3 according to the pile foundation intervals at the sections of the structure section; after the pile top supporting device 2 is fixed by a locking structure, a main supporting leg 5, a limiting cross beam 7, a traveling device, an acting device and a truss structure are arranged from bottom to top (as shown in figures 1-2); wherein two main stringers 9 of the truss structure are supported on the bent frames (1) - (2) through main support legs 5; a transport ship 15 for storing sludge is stopped near the sea pile foundation, a silo rail 17 and a silo 16 are arranged on the shore side, and a certain amount of stones are stored;
step S2: the pile foundation 1 is driven forward continuously, the piles in the bent frames (1) - (2) are ready for dredging, as shown in fig. 7, the dredging crown block 18 adjusts the height and the posture of the dredging grab 13 through the traction device, the dredging grab is used for dredging when the geological conditions are good, if a hard soil layer is met, an operator can replace a dredging machine in time, and then the dredging grab 13 can be used after the dredging grab is used for dredging by using a reamer; after the dredge grab bucket 13 grabs the soil, lifting the dredge grab bucket to be above the water surface, sliding the dredge grab bucket along with the dredge crown block 18 on the main longitudinal beam 9 along the width direction of the wharf to the front edge of the wharf, conveying the soil to the sea-side transport ship 15, and returning to continue dredging until the excavation of the soil among the bent piles is completed;
step S3: the pile top supporting device 2 and the pile top track 3 are fixed, the traveling gear 4 drives the main supporting leg 5 to travel forwards along the length direction of the wharf, and the dredging, the stone throwing and the front water pile sinking are carried out simultaneously, as shown in fig. 8, the traveling gear 4 drives the main supporting leg 5 to move to the (2) to (3) bent, at the moment, the dredging crown block 18 and the dredging grab bucket 13 are positioned above the (2) to (3) bent, and the stone throwing crown block 12 and the stone throwing grab bucket 14 are positioned above the (1) to (2) bent; the soil excavation between piles is carried out according to the step S2, meanwhile, the stone throwing crown block 12 drives the stone throwing grab bucket 14 to grab stones from the bank side storage bin 16, the stones are moved into the bent frame, the height and the posture are adjusted, and then the stone throwing protection is carried out on the bank slope, so that the stones move back and forth along the width direction of the wharf along with the main beam 11 until the stone throwing protection of the bank slope of the bent frame is finished (1) - (2);
step S4: the pile top rail 3 passes forward along the length direction of the wharf, the truss structure is fixed, the auxiliary supporting legs 6 of the (2) - (3) bent frame extend, the truss structure and the bottom pile foundation 1 are fixed through the pile top supporting device 2 at the lower end of the auxiliary supporting legs 6, the pile top rail 3 and the pile top supporting device 2 on the pile top rail 3 are lifted to a certain height of the pile top through the limiting device 8, at the moment, the travelling gear 4 is driven reversely, the pile top rail 3 is moved to the (2) - (4) bent frame along the length direction of the wharf, finally the auxiliary supporting legs 6 are slowly contracted, the pile top rail 3 and the pile top supporting device 2 on the pile top rail 3 are fixed on the (2) - (4) bent frame pile top again, and the main supporting legs 5 replace the auxiliary supporting legs 6 to support the truss structure;
step S5: the shore side stock bin 16 slides to (2) to (3) bent along with the stock bin track 17, the dredging crown block 18 of the main longitudinal beam 9 and the dredging grab 13 excavate soil between piles in the (3) to (4) bent, and the riprap crown block 12 and the riprap grab 14 of the cantilever of the main cross beam 11 perform the bank slope protection of the (2) to (3) bent; meanwhile, (1) the bent frame can be used for constructing the upper structure of the pile foundation, as shown in fig. 9;
step S6: and (2) forward pushing according to the steps (S2-S5), pile foundation 1 pile sinking, inter-pile dredging, bank slope protection and pile cap, node and precast beam plate installation are simultaneously constructed, and when the dredging and stone throwing protection are finished, the pile top operation platform is removed from top to bottom.
As shown in fig. 1 to 2, the dock length direction of the present embodiment refers to the left-right direction in fig. 1, and the dock width direction refers to the left-right direction in fig. 2.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A high pile wharf inter-pile dredging and stone throwing operation platform is characterized in that: comprising the following steps:
the pile top supporting devices (2) are sleeved on the tops of pile foundations (1);
the pile top rails (3) are arranged along the length direction of the wharf, the pile top rails (3) are arranged at the tops of a plurality of pile foundations (1) in the pile row along the length direction of the wharf through pile top supporting devices (2), and adjacent pile top rails (3) are arranged at intervals along the width direction of the wharf;
the lower end of the main supporting structure is supported on the pile top track (3);
a truss structure secured to the primary support structure;
the auxiliary supporting structure is a vertical jacking structure, the upper end of the auxiliary supporting structure is fixedly connected with the main truss, and the lower end of the auxiliary supporting structure is supported at the top of the pile foundation (1) when the pile top rail (3) moves across;
the traveling device is arranged at the lower end of the main supporting structure and is used for driving the main supporting structure and the pile top rail (3) to generate relative displacement along the length direction of the wharf;
the working device is arranged on the truss structure and is used for carrying out dredging and stone throwing operations;
the device also comprises a limiting device; the limiting device comprises a limiting device, wherein the limiting device comprises a limiting device,
the limiting cross beam (7) is arranged along the width direction of the wharf and is fixedly connected with the main supporting structure;
the limiting rods (8.1) are arranged in multiple groups, the limiting rods (8.1) are arranged on the limiting cross beam (7) at intervals along the width direction of the wharf, and each group of limiting rods (8.1) comprises two limiting rods (8.1) which are oppositely arranged at two sides of the limiting cross beam (7);
the lower roller (8.2) is arranged at the lower end of the limiting rod (8.1), and the lower roller (8.2) is positioned below bosses (8.3) at two sides of the pile top rail (3);
the limit device also comprises a limit device, wherein the limit device further comprises a limit device,
the upper roller (8.4), the upper roller (8.4) is fixed on the limiting rod (8.1), and the upper roller (8.4) is arranged above the boss (8.3) and opposite to the lower roller (8.2).
2. A high pile wharf inter-pile dredging and riprap work platform as claimed in claim 1, wherein: the pile top supporting device comprises a pile top supporting device,
the circular steel plate (2.1), the circular steel plate (2.1) is a plate-shaped structure fixed at the lower end of the main supporting structure or the auxiliary supporting structure;
the stiffening plates (2.2) are arranged on the plurality of stiffening plates (2.2), the plurality of stiffening plates (2.2) are arranged on the lower end face of the round steel plate (2.1) at intervals along the circumferential direction by taking the central line of the round steel plate (2.1) as an axis, and an annular sleeve-shaped limiting structure with an opening at the lower end is formed;
the rubber backing plate (2.3), the rubber backing plate (2.3) is located one side of stiffening plate (2.2) towards circular steel sheet (2.1) central line and is used for pasting the pile foundation (1) outside when connecting pile foundation (1).
3. A high pile wharf inter-pile dredging and riprap work platform as claimed in claim 1, wherein: the working device comprises a stone throwing working device; the stone throwing operation device comprises a stone throwing operation device body,
the main beam (11), the main beam (11) is a beam body structure arranged along the wharf length direction, the main beam (11) can be movably connected with the truss structure along the wharf width direction,
the stone throwing crown block (12), the stone throwing crown block (12) can be movably connected to the main cross beam (11) along the length direction of the wharf, and a stone throwing grab bucket (14) is arranged on the parabolic Dan Tianche (12).
4. A high pile wharf inter-pile dredging and riprap work platform according to claim 1 or 3, wherein: the working device comprises a dredger; the dredging operation device comprises a dredging device, a dredging device and a dredging device,
a movable cross beam (10), wherein the movable cross beam (10) is movably connected to the truss structure along the wharf width direction;
the dredging crown block (18), the dredging crown block (18) can be connected to the movable cross beam (10) along the length direction of the wharf, and a dredging grab bucket (13) is arranged on the dredging crown block (18).
5. A high pile wharf inter-pile dredging and riprap work platform as claimed in claim 1, wherein: the operation device also comprises a transfer bin positioned on the shore side; the transfer bin comprises a transfer bin body and a transfer bin body,
a silo rail (17), the silo rail (17) being arranged in the wharf length direction;
-a silo (16), which silo (16) is movably connected to the silo track (17) on the silo track (17).
6. A method for dredging and stoning among piles of a high pile wharf is characterized by comprising the following steps: the operation method adopts the high pile wharf inter-pile dredging and stone throwing operation platform as claimed in claim 1, and comprises the following steps:
step S1, after the pile sinking on the water of part of pile foundations is finished, hoisting a pile top rail (3) with a pile top supporting device (2) to the top of the pile foundations (1), and sequentially installing a main supporting structure, an auxiliary supporting structure, a truss structure and an operation device on the pile top rail (3) from bottom to top;
s2, continuing to advance the construction of the pile foundation (1), and performing dredging and stone throwing construction between piles by using an operation device;
s3, after the inter-pile operation within the operation range of the truss structure is completed, supporting an auxiliary supporting structure on the top of the pile foundation (1) and jacking the truss structure, driving a pile top rail (3) to a next operation position along the length direction of a wharf by a traveling device, lowering the truss structure by the auxiliary supporting structure to enable the pile top rail (3) to be fixed on the top of the pile foundation (1) again after the pile top rail (3) is moved in place, transferring the weight of the truss structure to a main supporting structure, and operating the operation area according to the working procedure of the step S2, wherein the operation is sequentially performed until all the operation areas are completed;
in the step S3, the method for driving the pile top rail (3) to move to the next working position along the wharf length direction by the traveling device includes: when the auxiliary supporting leg (6) vertically jacks up the truss structure, the main supporting leg (5) moves upwards along with the truss structure, the pile top rail (3) moves upwards along with the main supporting leg (5) under the action of the limiting device, the pile top supporting device (2) on the pile top rail (3) is completely separated from the top of the pile foundation (1), and at the moment, the traveling device is driven reversely, so that the pile top rail (3) can be driven to move to the next construction position along the length direction of the wharf.
7. The method for dredging and riprapping piles in a high pile wharf according to claim 6, wherein: in the step S2, the method for performing dredging and stone throwing construction between piles by using the working device includes: the height and the posture of a dredge grab bucket (13) in the operation device are adjusted to break soil, pick up soil and tidy slopes, the dredge grab bucket (13) lifts to be above the water surface after grabbing soil, then slides to the front edge of the wharf along the width direction of the wharf, the soil is conveyed to a transport ship (15) close to the sea, and then the dredge is returned to continue until soil excavation among piles within the range of the truss structure is completed;
meanwhile, a stone throwing grab bucket (14) which is lowered under the drive of a stone throwing crown block (12) in the operation device grabs stones from a storage bin (16) at the side of a shore and is used for transferring the stones, the stones are transferred into a bent frame, the height and the posture of the stone throwing grab bucket (14) are adjusted, the stone throwing grab bucket is protected against a shore slope, and the stone throwing grab bucket (14) moves back and forth along the width direction of a wharf for operation until the stone throwing protection within the range of a truss structure is completed.
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