CN218622223U - Large-diameter pile foundation reinforcement cage positioning structure arranged on steel platform - Google Patents

Abstract

The utility model belongs to the technical field of bridge engineering construction, concretely relates to arrange major diameter pile foundation steel reinforcement cage location structure on steel platform in, including steel platform, steel protect a section of thick bamboo, steel reinforcement cage and steel reinforcement cage linkage, steel reinforcement cage linkage includes two spandrels, two hang the roof beam and hang the mechanism, two spandrels parallel mount are on the steel platform and lie in the both sides that the steel protected a section of thick bamboo, two hang roof beam parallel set up between two spandrels, each hangs the roof beam and goes up the interval and install two and hang the mechanism, hang the mechanism and be connected with steel reinforcement cage's main muscle. The utility model provides a reinforcing bar cage transfer method commonly used at present the process that appears in transferring to deep water major diameter pile foundation reinforcing bar cage numerous and diverse, positioning accuracy is poor, the low scheduling problem of efficiency of construction, the device is simple and convenient, reduces construction cost, and can improve the accuracy that the reinforcing bar cage was assembled and was transferred and the security of work progress.

Description

Large-diameter pile foundation reinforcement cage positioning structure arranged on steel platform

Technical Field

The utility model belongs to the technical field of the bridge engineering construction, concretely relates to arrange major diameter pile foundation steel reinforcement cage location structure on steel platform in.

Background

The pile foundation is one of the common foundation types of bridge structures, and the construction quality of the pile foundation is a key control point of engineering. The accuracy of installation of the reinforcement cage is also an important factor influencing the construction quality of the pile foundation. The common steel reinforcement cage positioning process comprises the following steps: drilling → hoisting and lowering the reinforcement cage by stages by the crane → confirming the center position by adopting a cross method → repeatedly adjusting the centering of the reinforcement cage → completing the lowering of the reinforcement cage. The centering of the steel reinforcement cage in the method needs to be adjusted repeatedly, the positioning effect is poor, the efficiency is low, and the high-precision construction effect required by deep-water large-diameter pile foundation steel reinforcement cage installation cannot be met.

The steel reinforcement cage positioning method used in the industry at present is many, for example, the publication number is CN215801571U, the name is a steel reinforcement cage positioning device, which discloses a lifting hook and a square main frame, wherein the lifting hook is slidably arranged at four corners of the square main frame and slides along the diagonal direction of the square main frame; the one end of lifting hook is provided with anti-skidding tooth and detains in order being used for hanging technical characteristic such as establishing the steel reinforcement cage, when having supplementary deep water major diameter pile foundation steel reinforcement cage and transferring the construction, though the result of use can reach the locate effect, nevertheless wastes time and energy, has increased time cost and cost of labor, the not good technical defect of suitability, consequently, based on above-mentioned defect, it is necessary to provide a more excellent technical scheme in order to solve above-mentioned technical problem.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a large diameter pile foundation steel reinforcement cage location structure on arranging steel platform in has solved the steel reinforcement cage that uses always at present and has transferred the method and has transferred numerous and diverse, the positioning accuracy is poor, the low scheduling problem of efficiency of construction that appear in transferring to deep water large diameter pile foundation steel reinforcement cage, and the device is simple and convenient, reduces construction cost, and can improve the accuracy that the steel reinforcement cage was assembled and was transferred and the security of work progress.

In order to achieve the above purpose, the technical scheme of the utility model is that: a large-diameter pile foundation reinforcement cage positioning structure arranged on a steel platform comprises the steel platform, a steel casing and a reinforcement cage, wherein the steel platform comprises a steel platform panel and a plurality of steel panel lowering distribution beams, the plurality of steel panel lowering distribution beams are arranged at the bottom of the steel platform panel at intervals, the steel casing is arranged in the steel platform panel, the reinforcement cage is arranged in the steel casing,

the utility model discloses still include steel reinforcement cage linkage, steel reinforcement cage linkage includes two spandrels, two suspension beams and hangs the mechanism, two spandrel girder parallel mount is in on the steel platform and lie in the both sides of a steel casing, two suspension beam parallel is taken and is established two between the spandrel girder, each suspension beam is last the interval install two hang the mechanism, hang the mechanism with steel reinforcement cage's main muscle is connected.

Preferably, still include coupling mechanism, the spandrel girder is double-pieced together I-steel structure, coupling mechanism includes the first fixed subassembly that two intervals set up, first fixed subassembly includes first welding plate, first screw rod, first backing plate and first nut, first welding plate welding is in the lower extreme and the butt of first screw rod are one of them on the steel deck plate transfers the distribution roof beam, first screw rod upwards runs through in proper order steel deck plate and spandrel girder, and pass through first backing plate and first nut screw-thread fit will steel deck plate and spandrel girder fixed connection.

Preferably, the suspension beam is of a double-spliced back channel steel structure, two ends of the suspension beam are clamped by the two oppositely arranged reinforcing mechanisms, and the reinforcing mechanisms are arranged on the bearing beam.

Preferably, the reinforcing mechanism comprises an L-shaped plate, a second welding plate, a second screw and a second nut, the L-shaped plate abuts against between the bearing beam and the suspension beam, the second welding plate is welded at the lower end of the second screw, the second screw upwards penetrates through the bearing beam and the L-shaped plate, and the L-shaped plate is fixedly connected with the bearing beam through the threaded matching of the second nut.

Preferably, the suspension mechanism comprises a hanging rib screw rod, a third base plate, a third nut and a connecting sleeve, the connecting sleeve is in threaded connection with the hanging rib screw rod and a main rib, one end, far away from the connecting sleeve, of the hanging rib screw rod penetrates through the suspension beam upwards and is fixedly connected with the suspension beam through matching with the third base plate and the third nut.

Preferably, the steel casing comprises a plurality of adjustable limiting mechanisms, and the adjustable limiting mechanisms are distributed on the top surface of the steel casing in a circular array manner.

Preferably, adjustable stop gear includes interior splint and outer splint, clamping components and the spacing subassembly of regulation that the interval set up, interior splint and outer splint are laminated respectively the inside and outside both sides of a steel casing top surface, clamping components runs through interior splint and outer splint, adjust spacing unit mount and be in the top of interior splint and outer splint support and press on the steel reinforcement cage.

Preferably, the clamping assembly comprises a fixing screw, a fixing nut and a fixing base plate, the fixing screw penetrates through the inner clamping plate and the outer clamping plate, and two ends of the fixing screw are in threaded connection with the fixing nut and the fixing base plate respectively.

Preferably, adjust spacing subassembly and include roof, adjusting screw, adjusting nut and riser, the roof is installed the top of interior splint and outer splint, adjusting nut is fixed to be established the roof top, adjusting screw with adjusting nut threaded connection, and its inboard one end is equipped with the riser, the riser supports to press on the steel reinforcement cage.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

1. the adjustable limiting mechanism greatly limits the possible deviation in the process of lowering the steel reinforcement cage, reduces the manual adjustment in the lowering process, and improves the lowering efficiency;

2. the steel reinforcement cage hanging device in the utility model is placed in place to use, can adjust the steel reinforcement cage in the vertical direction and the plane direction, is convenient and quick to operate, can realize the high-precision positioning of the steel reinforcement cage, and ensures the construction quality of pile foundations;

3. the steel reinforcement cage suspension device can establish adjustable connection with the steel platform through the connecting mechanism and the reinforcing mechanism, so that the whole set of steel reinforcement cage suspension device can be fixed on the steel platform in the processes of placing the steel reinforcement cage and pouring pile foundation concrete, the steel reinforcement cage is prevented from floating upwards, and the safety of the construction process is effectively ensured;

4. the utility model discloses accomplish the steel reinforcement cage and transfer the work back, each mechanism of its constitution can dismantle the turnover, practices thrift manufacturing cost, has better economic benefits.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is an enlarged sectional view taken at A of FIG. 1;

FIG. 4 is an enlarged sectional view taken at B of FIG. 1;

FIG. 5 is a schematic view of the installation state of the adjustable limiting mechanism of the present invention;

fig. 6 is the structural schematic diagram of the adjustable limiting mechanism of the present invention.

The main reference symbols in the drawings are as follows:

1. a steel platform; 11. a steel platform panel; 12. placing a distribution beam below the steel panel; 2. a steel casing; 3. a reinforcement cage suspension device; 31. a spandrel girder; 32. a suspension beam; 33. a suspension mechanism; 331. hanging a rib screw rod; 332. a third backing plate; 333. a third nut; 334. a connecting sleeve; 4. a connecting mechanism; 41. a first fixed component; 411. a first weld plate; 412. a first screw; 413. a first backing plate; 414. a first nut; 5. a reinforcement mechanism; 51. an L-shaped plate; 52. a second weld plate; 53. a second screw; 54. a second nut; 6. a main rib; 7. an adjustable limiting mechanism; 71. an inner splint; 72. an outer splint; 73. a clamping assembly; 731. fixing the screw rod; 732. fixing a nut; 733. fixing a base plate; 74. adjusting the limiting assembly; 741. a top plate; 742. adjusting the screw rod; 743. adjusting the nut; 744. a riser.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 6, a major diameter pile foundation steel reinforcement cage location structure on steel platform is arranged in, including steel platform 1, steel protect a section of thick bamboo 2 and steel reinforcement cage (not shown in the figure), steel platform 1 includes that steel platform panel 11 and many steel panels transfer distributive girder 12, and many steel panels transfer distributive girder 12 interval and install in steel platform panel 11 bottom, and steel protects a section of thick bamboo 2 and embeds in steel platform panel 11, and the steel reinforcement cage is built-in steel protects a section of thick bamboo 2.

The utility model discloses still include steel reinforcement cage linkage 3, steel reinforcement cage linkage includes two spandrels 31, two suspension beams 32 and hangs mechanism 33, and two spandrels 31 parallel mount are on steel platform 1 and lie in the steel and protect the both sides of a section of thick bamboo 2, and two suspension beams 32 parallel are taken and are established between two spandrels 31, and two suspension mechanisms 33 that hang are installed at the interval on each suspension beam 32, and suspension mechanism 33 is connected with steel reinforcement cage's main muscle 6. The steel reinforcement cage suspension device 3 is in a structure form of a Chinese character jing by splicing the bearing beam 31 and the suspension beam 32, so that the stability of the device is improved; in addition, the steel reinforcement cage hanging device 3 is placed to the use in place under the steel reinforcement cage, can vertically adjust the steel reinforcement cage to the plane, is convenient and quick to operate, can realize the high-precision positioning of the steel reinforcement cage, and ensures the construction quality of a pile foundation.

In this embodiment, refer to fig. 1 and 3, the utility model discloses still include coupling mechanism 4, spandrel girder 31 is the double pin I-steel structure, coupling mechanism 4 includes the first fixed subassembly 41 that two intervals set up, first fixed subassembly 41 includes first welded plate 411, first screw rod 412, first backing plate 413 and first nut 414, first welded plate 411 welds at the lower extreme of first screw rod 412 and the butt descends the distribution beam 12 at one of them steel deck, first screw rod 412 upwards runs through steel deck plate 11 and spandrel girder 31 in proper order to through first backing plate 413 and first nut 414 screw-thread fit with steel deck plate 11 and spandrel girder 31 fixed connection. A gap is reserved between two I-shaped steels of a double-spliced I-shaped steel structure adopted by the bearing beam 31, so that the first screw 412 can conveniently penetrate through the gap; in addition, the bearing beam 31 is detachably fixed on the steel platform 1 through the connecting mechanism 4, so that the bearing beam 31 is convenient to disassemble and assemble, and convenience is brought to recycling.

In this embodiment, refer to fig. 1 and 4, the utility model discloses still include reinforcing mechanism 5, the mounted beam 32 is the two-piecing channel-section steel structure dorsad, and the both ends of mounted beam 32 are all wherein through the 5 centre grippings of reinforcing mechanism of two relative settings, and reinforcing mechanism 5 installs on spandrel girder 31. Specifically, the reinforcing mechanism 5 comprises an L-shaped plate 51, a second welding plate 52, a second screw 53 and a second nut 54, the L-shaped plate 51 abuts between the bearing beam 31 and the suspension beam 32, the second welding plate 52 is welded at the lower end of the second screw 53, the second screw 53 upwards penetrates through the bearing beam 31 and the L-shaped plate 51, and the L-shaped plate 51 is fixedly connected with the bearing beam 31 through the threaded matching of the second nut 54. The suspension beam 32 adopts a double-spliced back channel structure, and a gap is required to be reserved between two channels as in the double-spliced I-shaped steel structure, so that the second screw 53 can conveniently penetrate through the gap; in addition, the suspension beam 32 can be adjusted relative to the bearing beam 31 through the reinforcing mechanism 5, and the lowering height position and the plane position of the reinforcement cage can be adjusted.

In this embodiment, referring to fig. 1, the suspension mechanism 33 includes a suspension bar screw 331, a third cushion plate 332, a third nut 333, and a connection sleeve 334, where the connection sleeve 334 is connected with the suspension bar screw 331 and the main bar 6 by threads, and one end of the suspension bar screw 331, which is far away from the connection sleeve 334, penetrates through the suspension beam 32 upward, and is fixedly connected with the suspension beam 32 by being matched with the third cushion plate 332 and the third nut 333. The hanging bar screw 331 is provided with scale marks, so that the marks of the high-range positions in the process of lowering the reinforcement cage can be conveniently marked.

In this embodiment, referring to fig. 5 and 6, the present invention further includes a plurality of adjustable limiting mechanisms 7, the plurality of adjustable limiting mechanisms 7 are distributed on the top surface of the steel casing 2 in a circular array, and eight adjustable limiting mechanisms 7 are provided in this embodiment; concretely, adjustable stop gear 7 includes interior splint 71 and outer splint 72, clamping component 73 and the spacing subassembly 74 of regulation that the interval set up, and interior splint 71 and outer splint 72 laminate respectively and protect the inside and outside both sides of a 2 top surfaces at the steel, and clamping component 73 runs through interior splint 71 and outer splint 72, adjusts spacing subassembly 74 and installs at the top of interior splint 71 and outer splint 72 and supports and press on the steel reinforcement cage. The inner clamping plate 71 and the outer clamping plate 72 are arc-shaped to adapt to the annular steel casing 1 and are tightly attached; adjustable stop gear 7 has greatly restricted the off normal that probably appears of steel reinforcement cage transfer in-process, transfers the process and reduces the manpower adjustment, improves and transfers efficiency.

Specifically, the clamping assembly 73 includes a fixing screw 731, a fixing nut 732 and a fixing base plate 733, the fixing screw 731 penetrates through the inner clamping plate 71 and the outer clamping plate 72, and two ends of the fixing screw 731 are respectively connected with the fixing nut 732 and the fixing base plate 733 in a threaded manner; in order to better clamp the inner clamping plate 71 and the outer clamping plate 72 on the top surface of the steel casing 2, two clamping assemblies 73 are arranged at intervals; the adjusting limiting component 74 comprises a top plate 741, an adjusting screw 742, an adjusting nut 743 and a vertical plate 744, the top plate 741 is installed at the tops of the inner clamping plate 71 and the outer clamping plate 72, the adjusting nut 743 is fixedly arranged at the top of the top plate 741, the adjusting screw 742 is in threaded connection with the adjusting nut 743, the vertical plate 744 is arranged at one end of the inner side of the adjusting screw, and the vertical plate 744 is abutted against the reinforcement cage.

The utility model discloses a theory of operation: the utility model provides a arrange major diameter pile foundation steel reinforcement cage location structure on steel platform in, concrete implementation process as follows:

the first step is as follows: before the steel reinforcement cage is lowered, eight adjustable limiting mechanisms 7 are installed on the top surface of the steel casing 2 at equal intervals around the circumference, clamping assemblies on an inner clamping plate 71 and an outer clamping plate 72 are screwed, so that the device is firmly fixed to the top of the steel casing 2, and then an adjusting screw 742 on the adjusting limiting assembly 74 is adjusted in a rotating mode to a calculated set position;

the second step is that: a steel reinforcement cage suspension device 3 is arranged on a steel platform 1 at the periphery of a steel casing 2, bearing beams 31 are placed on two sides firstly, a connecting mechanism 4 is arranged after the position is adjusted, and the bearing beams 31 are fixedly connected with the steel platform;

the third step: slowly hoisting the reinforcement cage into the hole by the crane, so that the reinforcement cage is positioned in a range fixed by the adjusting screw 742, and the reinforcement cage is limited from shaking left and right; when the elevation of the top surface of the steel reinforcement cage is lowered to be lower than the elevation of a panel 11 of the steel platform, stopping lowering, dismantling the adjustable limiting mechanism 7 and cutting off the steel casing 2 above the plane of the steel platform 1;

the fourth step: mounting a suspension beam 32 of the steel reinforcement cage suspension device 3, wherein the suspension beam and a bearing beam 51 are in a shape of a Chinese character 'jing', and then mounting reinforcing mechanisms 5 on two sides of the position where the suspension beam 32 and the bearing beam 51 are overlapped;

the fifth step: calculating the elevation of the top surface of the steel reinforcement cage, determining the length of the hanging reinforcement screw 331, and connecting the hanging reinforcement screw 331 with the main reinforcements 6 of the four directions of the steel reinforcement cage through the connecting sleeve 334, so that the hanging reinforcement screw 331 and the main reinforcements 6 are vertically connected to form a straight line;

and a sixth step: the crane continues to lower the steel reinforcement cage, adjusts the position of the suspension beam 32 of the steel reinforcement cage suspension device 3, and sequentially penetrates through 4 hanging reinforcement screws 331;

the seventh step: according to the scale of the hanging bar screw 331, the accurate positioning of the elevation position of the steel reinforcement cage is realized by rotating the third nut 333 above the hanging bar screw 331, and the accurate positioning of the plane position of the steel reinforcement cage is realized by adjusting the position of the suspension beam 32;

the eighth step: after the steel reinforcement cage is accurately positioned, a second nut 54 on the reinforcing mechanism 5 is screwed to fix the position of the suspension beam 32;

the ninth step: and after the designed plane position and the designed elevation position of the reinforcement cage are adjusted, the pile foundation underwater concrete pouring process is carried out. Treat the concrete hardening back, demolish the utility model is used for root pile foundation steel reinforcement cage positioning work down.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent variations or modifications made under the technical spirit of the present invention should fall within the scope of the present invention.

Claims (9)

1. A large-diameter pile foundation reinforcement cage positioning structure arranged on a steel platform comprises the steel platform (1), a steel pile casing (2) and a reinforcement cage, wherein the steel platform (1) comprises a steel platform panel (11) and a plurality of steel panel lowering distribution beams (12), the steel panel lowering distribution beams (12) are arranged at the bottom of the steel platform panel (11) at intervals, the steel pile casing (2) is arranged in the steel platform panel (11), the reinforcement cage is arranged in the steel pile casing (2),

the steel reinforcement cage hanging device is characterized by further comprising a steel reinforcement cage hanging device (3), wherein the steel reinforcement cage hanging device (3) comprises two bearing beams (31), two hanging beams (32) and hanging mechanisms (33), the two bearing beams (31) are parallelly installed on the steel platform (1) and located on two sides of the steel casing (2), the two hanging beams (32) are parallelly erected between the two bearing beams (31), each hanging beam (32) is provided with the two hanging mechanisms (33) at intervals, and the hanging mechanisms (33) are connected with main ribs (6) of a steel reinforcement cage.

2. The large-diameter pile foundation reinforcement cage positioning structure arranged on a steel platform according to claim 1, further comprising a connecting mechanism (4), wherein the bearing beam (31) is a double-split i-shaped steel structure, the connecting mechanism (4) comprises two first fixing assemblies (41) arranged at intervals, each first fixing assembly (41) comprises a first welding plate (411), a first screw (412), a first base plate (413) and a first nut (414), the first welding plate (411) is welded at the lower end of the first screw (412) and abuts against one of the steel panel lowering distribution beams (12), the first screw (412) sequentially penetrates through the steel platform panel (11) and the bearing beam (31) upwards, and the steel platform panel (11) and the bearing beam (31) are fixedly connected through threaded matching of the first base plate (413) and the first nut (414).

3. The large-diameter pile foundation reinforcement cage positioning structure arranged on the steel platform is characterized by further comprising a reinforcing mechanism (5), wherein the suspension beam (32) is of a double-spliced back channel steel structure, two ends of the suspension beam (32) are clamped by the two oppositely arranged reinforcing mechanisms (5), and the reinforcing mechanism (5) is arranged on the bearing beam (31).

4. A large diameter pile foundation reinforcement cage positioning structure placed on a steel platform according to claim 3, wherein the reinforcing mechanism (5) comprises an L-shaped plate (51), a second welding plate (52), a second screw (53) and a second nut (54), the L-shaped plate (51) abuts between the bearing beam (31) and the suspension beam (32), the second welding plate (52) is welded at the lower end of the second screw (53), the second screw (53) upwardly penetrates through the bearing beam (31) and the L-shaped plate (51), and the L-shaped plate (51) is fixedly connected with the bearing beam (31) through the screw-thread fit of the second nut (54).

5. The large-diameter pile foundation reinforcement cage positioning structure arranged on a steel platform as claimed in claim 3, wherein the suspension mechanism (33) comprises a reinforcement screw (331), a third base plate (332), a third nut (333) and a connecting sleeve (334), the connecting sleeve (334) is in threaded connection with the reinforcement screw (331) and the main reinforcement (6), and one end of the reinforcement screw (331) far away from the connecting sleeve (334) extends upwards through the suspension beam (32) and is fixedly connected with the suspension beam (32) through being matched with the third base plate (332) and the third nut (333).

6. The large-diameter pile foundation reinforcement cage positioning structure arranged on the steel platform according to claim 1, further comprising a plurality of adjustable limiting mechanisms (7), wherein the plurality of adjustable limiting mechanisms (7) are distributed on the top surface of the steel casing (2) in a circular array.

7. The large-diameter pile foundation reinforcement cage positioning structure arranged on the steel platform as claimed in claim 6, wherein the adjustable limiting mechanism (7) comprises an inner clamping plate (71) and an outer clamping plate (72) which are arranged at intervals, a clamping assembly (73) and an adjusting limiting assembly (74), the inner clamping plate (71) and the outer clamping plate (72) are respectively attached to the inner side and the outer side of the top surface of the steel casing (2), the clamping assembly (73) penetrates through the inner clamping plate (71) and the outer clamping plate (72), and the adjusting limiting assembly (74) is installed at the tops of the inner clamping plate (71) and the outer clamping plate (72) and is pressed against the reinforcement cage.

8. The large-diameter pile foundation reinforcement cage positioning structure arranged on the steel platform, according to claim 7, wherein the clamping assembly (73) comprises a fixing screw (731), a fixing nut (732) and a fixing base plate (733), the fixing screw (731) penetrates through the inner clamping plate (71) and the outer clamping plate (72), and two ends of the fixing screw are respectively connected with the fixing nut (732) and the fixing base plate (733) in a threaded manner.

9. The large-diameter pile foundation steel reinforcement cage positioning structure placed on the steel platform of claim 7, wherein the adjusting and limiting component (74) comprises a top plate (741), an adjusting screw (742), an adjusting nut (743) and a vertical plate (744), the top plate (741) is installed on the top of the inner clamping plate (71) and the top of the outer clamping plate (72), the adjusting nut (743) is fixedly arranged on the top of the top plate (741), the adjusting screw (742) is in threaded connection with the adjusting nut (743), the vertical plate (744) is arranged at one end of the inner side of the adjusting screw, and the vertical plate (744) abuts against the steel reinforcement cage.

Images