CN216973466U - Prefabricated circular open caisson of assembled - Google Patents

Abstract

The utility model discloses an assembled prefabricated round open caisson which comprises a blade foot and open caisson sections, wherein more than two open caisson sections are vertically stacked at the top of the blade foot, each open caisson section is formed by splicing more than two prefabricated blocks end to end, more than two mortises are formed in the inner sides of the prefabricated blocks, arc-shaped holes are formed in the mortises, transverse bolts are arranged in horizontal connecting holes, adjacent prefabricated blocks on the same open caisson section are fixedly connected through transverse bolts, longitudinal bolts are arranged in vertical connecting holes, the adjacent open caisson sections are fixedly connected through longitudinal bolts, positioning convex strips are arranged at the top and one side of each prefabricated block, and positioning grooves are formed in the bottoms and the other sides of the prefabricated blocks. The prefabricated open caisson is divided into a plurality of standard prefabricated blocks to be prefabricated separately, the prefabricated blocks are spliced into the complete open caisson during construction, a specific large vehicle is not needed in the transportation process, the transportation cost and the manufacturing cost are reduced, and the prefabricated open caisson has great economic benefits and social benefits.

Description

Prefabricated circular open caisson of assembled

Technical Field

The utility model relates to the technical field of open caisson, in particular to an assembled prefabricated round open caisson.

Background

At the present stage, the assembly type building has become the main melody of the development advocated by the market, and the circular assembly type open caisson belongs to a self-stabilization structure, is applied to the minor diameter field more, forms whole through the connection between ring and the ring, and the atress is comparatively reasonable. At the present stage, the demand of large-diameter open caisson is more and more, and the transportation pressure and the manufacturing cost are increased through the whole ring prefabrication.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is that the large-diameter open caisson adopts a whole ring prefabrication mode at present, and the transportation and manufacturing cost is high. In order to overcome the defects of the prior art, the utility model provides the assembled prefabricated round open caisson, the prefabricated open caisson is divided into a plurality of small prefabricated blocks to be prefabricated separately, the prefabricated blocks are spliced into the complete open caisson during construction, a special large vehicle is not needed in the transportation process, the transportation cost and the manufacturing cost are reduced, and the assembled prefabricated round open caisson has great economic benefit and social benefit.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an assembled prefabricated round open caisson, which comprises a blade foot and open caisson sections, wherein the top of the blade foot is vertically stacked with more than two open caisson sections, each open caisson section is formed by splicing more than two prefabricated blocks end to end, the inner side of each prefabricated block is provided with more than two mortises, arc-shaped holes are arranged in the mortises, the arc-shaped holes of the adjacent prefabricated blocks on the same open caisson section are mutually communicated to form horizontal connecting holes, transverse bolts are arranged in the horizontal connecting holes, the adjacent prefabricated blocks on the same open caisson section are fixedly connected through the transverse bolts, the arc-shaped holes of the adjacent prefabricated blocks on the adjacent open caisson sections are mutually communicated to form vertical connecting holes, the longitudinal bolts are arranged in the vertical connecting holes, the prefabricated blocks on the adjacent open caisson sections are fixedly connected through the longitudinal bolts, and positioning convex strips are fixedly arranged at the top and one side of the prefabricated blocks, the bottom and the other side of the precast block are provided with positioning grooves.

In a preferred technical scheme of the utility model, more than two steel bar connectors are uniformly and fixedly arranged on the positioning convex strip at the bottom end of one open caisson section in the circumferential direction, the top of the blade foot is also provided with a mounting groove matched with the positioning convex strip, and the positioning convex strip is fixedly connected with the bottom wall of the mounting groove through the steel bar connectors.

In a preferred technical scheme of the utility model, splicing seams are formed between adjacent precast blocks on the same open caisson section, and the splicing seams on the adjacent open caisson sections are distributed in a staggered manner.

In a preferred technical scheme of the utility model, the prefabricated block is provided with 5-8 pieces.

In a preferred technical scheme of the utility model, the precast block comprises a closed block and arc-shaped well sheets, and the closed block and more than two arc-shaped well sheets are sequentially connected end to form a closed circular ring.

In a preferred technical scheme of the utility model, the center of the precast block is also provided with a hoisting hole.

The utility model has the beneficial effects that:

1. according to the assembled prefabricated round open caisson provided by the utility model, the prefabricated open caisson is divided into the small prefabricated blocks to be prefabricated separately, the prefabricated blocks are spliced into the complete open caisson during construction, a special large vehicle is not needed in the transportation process, the transportation cost and the manufacturing cost are reduced, and the assembled prefabricated round open caisson has great economic benefits and social benefits.

2. The precast block is simple in manufacturing process, rapid in construction and assembly, low in requirement on construction workers and capable of remarkably shortening the construction period.

3. The adjacent open caisson sections are spliced by adopting a staggered joint mode, so that the tightness and the stability of the open caisson structure can be ensured.

Drawings

Fig. 1 is a front view of an assembled prefabricated round open caisson according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

FIG. 5 is an enlarged schematic view at C of FIG. 3;

fig. 6 is a partially enlarged schematic view of fig. 3.

In the figure:

1. prefabricating the open caisson; 2. an open caisson section; 3. prefabricating blocks; 31. a sealing block; 32. an arc-shaped well sheet; 4. mortises; 5. an arc-shaped hole; 6. a horizontal connecting hole; 7. a transverse bolt; 8. a vertical connecting hole; 9. a longitudinal bolt; 10. positioning the convex strip; 11. positioning a groove; 12. a blade foot; 13. splicing seams; 14. a steel bar connector; 15. Mounting grooves; 16. and (6) hoisting holes.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-5, in the embodiment, an assembled prefabricated round open caisson is provided, the prefabricated open caisson 1 includes a blade 12 and open caisson segments 2, the top of the blade 12 is vertically stacked and provided with more than two open caisson segments 2, each open caisson segment 2 is formed by splicing more than two prefabricated blocks 3 end to end, the inner side of each prefabricated block 3 is provided with more than two mortises 4, the mortises 4 are internally provided with arc holes 5, the arc holes 5 of the adjacent prefabricated blocks 3 on the same open caisson segment 2 are mutually communicated to form horizontal connecting holes 6, transverse bolts 7 are arranged in the horizontal connecting holes 6, the adjacent prefabricated blocks 3 on the same open caisson segment 2 are fixedly connected through transverse bolts 7, the arc holes 5 of the adjacent prefabricated blocks 3 on the adjacent open caisson segments 2 are mutually communicated to form vertical connecting holes 8, longitudinal bolts 9 are arranged in the vertical connecting holes 8, and the prefabricated sections 3 on the adjacent open caisson sections 2 are fixedly connected through longitudinal bolts 9, positioning convex strips 10 are fixedly arranged at the top and one side of each prefabricated section 3, and positioning grooves 11 are formed in the bottom and the other side of each prefabricated section 3.

In this embodiment, prefabricated section 3 is the arc, and tongue-and-groove 4 is the triangular groove, and tongue-and-groove 4 sets up in arc indent one side, and each symmetry in both ends is provided with two tongue-and-groove 4 about 3 medial surfaces of prefabricated section, and the upper and lower both ends of 3 medial surfaces of prefabricated section also symmetry are provided with tongue-and-groove 4, and the number of tongue-and-groove 4 sets up according to the width flexibility of prefabricated section 3. The transverse bolt 7 is composed of a screw rod and a nut, one end of the screw rod is inserted into the horizontal connecting hole 6, the nut is positioned in one of the mortises 4 and is in threaded connection with the screw rod, so that the two adjacent prefabricated blocks 3 are fixed, and the longitudinal bolt 9 is similarly arranged in the vertical connecting hole 8. Because location sand grip 10 and constant head tank 11 are through adopting the cooperation of pegging graft, when the equipment prefabricated section 3, constructor pegs graft location sand grip 10 in constant head tank 11 to can align the arc hole 5 on two adjacent prefabricated sections 3 fast and form horizontal connecting hole 6 and vertical connecting hole 8, improved the speed of 3 concatenation installations of prefabricated section, avoid appearing horizontal bolt 7 and can not insert the condition that horizontal connecting hole 6 or vertical bolt 9 can not insert vertical connecting hole 8.

Specifically, the circumference evenly sets firmly two or more steel bar connectors 14 on the location sand grip 10 of the bottom of one of the open caisson section 2, and installation groove 15 with location sand grip 10 complex is still seted up at sword foot 12 top, and location sand grip 10 passes through steel bar connector 14 and the 15 diapire fixed connection of installation groove.

In this embodiment, the cutting edge 12 is made of steel, the cutting edge 12 is connected with the lowest open caisson section 2 of the prefabricated open caisson 1 by welding, the cutting edge 12 is in a closed ring shape, and the bottom of the cutting edge 12 is provided with a conical tip. The mounting groove 15 is used for positioning, and the splicing speed of the open caisson section 2 on the blade foot 12 can be improved. During installation, the blade foot 12 is fixed in a to-be-constructed area, then the blade foot 12 is used as a base, a first complete open caisson section 2 is spliced above the blade foot 12, then earthwork is excavated downwards on the inner side of the blade foot 12 until the top of the first open caisson section 2 is slightly higher than the ground elevation, excavation is stopped, a second open caisson section 2 is spliced on the base of the first open caisson section 2, then excavation and sinking are carried out, the step is repeated until the prefabricated open caisson 1 sinks to the designed elevation position, and construction can be completed.

Specifically, a splicing seam 13 is formed between the adjacent precast blocks 3 on the same open caisson segment 2, and the splicing seams 13 on the adjacent open caisson segments 2 are distributed in a staggered manner. The adjacent open caisson sections 2 are spliced by adopting a staggered joint mode, so that the tightness and stability of the open caisson structure can be ensured.

Specifically, the prefabricated section 3 is provided with 5-8 pieces. The open caisson section 2 is in a closed circle shape, the maximum diameter of the open caisson section can reach 17m, during construction, the diameter of the prefabricated open caisson 1 is determined according to the actual construction requirement on site, and the prefabricated blocks 3 with proper quantity are selected, so that the closed prefabricated open caisson 1 is obtained through splicing. Precast block 3 is the standard block, and 3 sizes of precast block need satisfy can be in the condition that does not use specific oversize vehicle, and the convenient effect of transporting precast block 3 to the job site has higher economic benefits.

Specifically, the prefabricated section 3 includes a closed block 31 and arc well pieces 32, and the closed block 31 and more than two arc well pieces 32 are sequentially connected end to form a closed ring. In this embodiment, the arc-shaped well plate 32 is a standard component, which is beneficial to mass production in a processing plant and reduces the production cost. Due to the limitation of field construction conditions, open caisson with various diameters often needs to be dug, if only the arc-shaped well pieces 32 are used, the open caisson cannot be enclosed into a closed circle, the closed blocks 31 are used for closing arcs formed by connecting the arc-shaped well pieces 32 end to end, the length of the closed blocks 31 is smaller than that of the arc-shaped well pieces 32, and constructors can process the length of the closed blocks 31 on site according to actual needs; if the arcuate well plate 32 achieves complete closure of the open caisson section, the closure block may not be used.

Specifically, the center of the precast block 3 is also provided with a hoisting hole 16. Through setting up lifting hole 16, during the construction, the hoisting point of loop wheel machine is fixed in lifting hole 16, can be convenient with prefabricated section 3 by the regional hoist and mount of keeping in to the construction region to there is constructor to splice it on sword foot 12 or open caisson festival section 2, convenient operation, swift.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims (6)

1. The utility model provides a prefabricated circular open caisson of assembled which characterized in that: the prefabricated open caisson (1) comprises an edge foot (12) and open caisson sections (2), more than two open caisson sections (2) are vertically stacked at the top of the edge foot (12), each open caisson section (2) is formed by splicing more than two prefabricated blocks (3) end to end, more than two mortises (4) are formed in the inner sides of the prefabricated blocks (3), arc-shaped holes (5) are formed in the mortises (4), the arc-shaped holes (5) of the adjacent prefabricated blocks (3) on the same open caisson section (2) are mutually communicated to form horizontal connecting holes (6), transverse bolts (7) are arranged in the horizontal connecting holes (6), the adjacent prefabricated blocks (3) on the same open caisson section (2) are fixedly connected through the transverse bolts (7), the arc-shaped holes (5) of the adjacent prefabricated blocks (3) on the adjacent open caisson sections (2) are mutually communicated to form vertical connecting holes (8), longitudinal bolt (9) set up in vertical connecting hole (8), and through longitudinal bolt (9) fixed connection between prefabricated section (3) on adjacent open caisson festival section (2), prefabricated section (3) top and one side have set firmly location sand grip (10), and constant head tank (11) have been seted up to prefabricated section (3) bottom and opposite side.

2. The prefabricated round open caisson of claim 1, wherein: wherein one evenly set firmly more than two steel bar connector (14) on location sand grip (10) of the bottom of open caisson section (2) circumference, sword foot (12) top still seted up with location sand grip (10) complex mounting groove (15), and location sand grip (10) are through steel bar connector (14) and mounting groove (15) diapire fixed connection.

3. The prefabricated round open caisson of claim 1, wherein: splicing seams (13) are formed between the adjacent precast blocks (3) on the same open caisson segment (2), and the splicing seams (13) on the adjacent open caisson segments (2) are distributed in a staggered mode.

4. The prefabricated round open caisson of claim 1, wherein: the prefabricated section (3) is provided with 5-8 pieces.

5. The prefabricated round open caisson of claim 1, wherein: the precast block (3) comprises a closed block (31) and arc well sheets (32), wherein the closed block (31) and more than two arc well sheets (32) are sequentially connected end to form a closed ring.

6. The prefabricated round open caisson of claim 1, wherein: and a hoisting hole (16) is also formed in the center of the precast block (3).

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