CN215165746U - Cofferdam for river station construction - Google Patents

Abstract

The utility model discloses a cofferdam for facing river station construction, including installing the cofferdam main part in the river course, the cofferdam main part includes base and template, a plurality of groups the template joint is fixed in the upper end of base, just laminate each other between the template lateral wall, the lower extreme integrated into one piece of base has the staple that is used for being fixed in the riverbed with the base, just the upper end of base is linear equidistant integrated into one piece and has the square pole, the inside of template is provided with the blind hole with square pole looks adaptation, just the square pole is pegged graft in the inside of blind hole and is fixed through joint subassembly joint. The utility model discloses a be linear equidistant integrated into one piece at the upper end of base and have the square bar, be provided with in the inside of template with the blind hole of square bar looks adaptation to and with a plurality of groups the template joint is fixed in the upper end of base, and laminates each other between the template lateral wall, sets up the mode that is the template concatenation with the cofferdam main part, and the mode of installation and dismantlement all becomes more simple and convenient.

Description

Cofferdam for river station construction

Technical Field

The utility model relates to a construction cofferdam technical field specifically is a cofferdam for facing river station construction.

Background

When construction work is carried out in shallow water areas with proper conditions, a dam is constructed by enclosing a water-resisting strip with a certain area near a hole site, discharging water in the water-resisting strip to expose the underwater ground, and directly arranging equipment for construction work.

The cofferdam is a built temporary enclosure structure, after a diversion task is completed, the cofferdam is dismantled according to design requirements, so that the influence on the construction and use of a permanent building is avoided, the height of the cofferdam is higher than the highest water level which can appear in a construction period, but the dismantling of the conventional steel sheet pile lattice cofferdam firstly removes fillers by using a grab bucket or a stone absorber, then uses a pile extractor to pull steel sheet piles, and the structure is relatively complex, so that the cofferdam for the construction of a river-approaching station needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cofferdam for facing river station construction, through with the cofferdam for the main part template concatenation at the mode of base, replace current steel sheet pile lattice type cofferdam, the problem that proposes in order to solve above-mentioned background art more portably that the mode of installation and dismantlement all become.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a cofferdam for facing river station construction, is including installing the cofferdam main part in the river course, the cofferdam main part includes base and template, a plurality of groups the template joint is fixed in the upper end of base, just laminate each other between the template lateral wall, the lower extreme integrated into one piece of base has the staple that is used for being fixed in the riverbed with the base, just the upper end of base is linear equidistant integrated into one piece and has the square pole, the inside of template is provided with the blind hole with square pole looks adaptation, just the square pole is pegged graft in the inside of blind hole and is fixed through joint subassembly joint, it has sealing rubber pad to fix the bonding on the lateral wall of template.

Preferably, the joint subassembly is including setting up the elastic buckle on the blind hole inner wall and seting up the arc draw-in groove with elastic buckle looks adaptation on the square pole lateral wall, elastic buckle is fixed with the arc draw-in groove joint.

Preferably, the elastic buckle comprises a steel ball, a sliding block, a compression spring and two groups of baffles, and the sliding block and the compression spring are both positioned between the two groups of baffles.

Preferably, the steel ball is attached to one side of the sliding block, one side of the sliding block is fixedly connected to one end of the compression spring, and the baffle is provided with two groups.

Preferably, the upper end of template is seted up threaded through hole, just threaded through hole with the inside intercommunication of blind hole, the internal thread of threaded through hole is installed and is used for the template to follow the dismantlement subassembly of base dismantlement.

Preferably, the disassembling component comprises a screw, a top plate and a rotating bearing, the screw is installed inside the threaded through hole in a threaded manner, the lower end of the screw penetrates through the threaded through hole and is located inside the blind hole, the rotating bearing is embedded and fixed on the upper surface of the top plate, and the lower end of the screw is fixedly inserted into an inner ring of the rotating bearing.

Preferably, a jack is formed in the side wall of one end, located outside the template, of the screw, and a handle for rotating the screw is inserted into the jack.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be linear equidistant integrated into one piece and have the square pole at the upper end of base, be provided with the blind hole with square pole looks adaptation in the inside of template to and with a plurality of groups the template joint is fixed in the upper end of base, and laminate each other between the template lateral wall, sets up the cofferdam main part and is the mode of template concatenation, replaces current steel sheet pile lattice cofferdam, and the mode of installation and dismantlement all changes more portably;

2. the utility model discloses a threaded through hole has been seted up in the upper end of template, installs the dismantlement subassembly that is used for dismantling the template from the base at the internal thread of threaded through hole, through rotating the screw rod of dismantlement subassembly to drive the roof and push down and contradict in the square bar upper end, follow base jack-up with the template, further be convenient for dismantle the cofferdam main part.

Drawings

FIG. 1 is a layout diagram of the construction of the river station of the utility model;

fig. 2 is a schematic structural view of the cofferdam body of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the sealing rubber pad of the present invention;

fig. 5 is a schematic structural view of the elastic buckle of the present invention.

In the figure: 1. a cofferdam body; 2. a base; 3. a template; 4. fixing nails; 5. a square bar; 6. blind holes; 7. a clamping assembly; 8. sealing the rubber pad; 9. elastic buckle; 10. an arc-shaped clamping groove; 11. a threaded through hole; 12. steel balls; 13. a slider; 14. a compression spring; 15. a baffle plate; 16. disassembling the assembly; 17. A screw; 18. a top plate; 19. a rotating bearing; 20. a jack; 21. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1-5, the present invention provides a technical solution:

a cofferdam for river-facing station construction comprises a cofferdam main body 1 installed in a river channel, wherein the cofferdam main body 1 comprises a base 2 and a plurality of assembled plates 3, the assembled plates 3 are clamped and fixed at the upper end of the base 2, the side walls of the assembled plates 3 are mutually attached, fixing nails 4 for fixing the base 2 to a river bed are integrally formed at the lower end of the base 2, and square rods 5 are integrally formed at the upper end of the base 2 in a linear shape at equal intervals;

the inner part of each template 3 is provided with a blind hole 6 matched with the square rod 5, the square rods 5 are inserted into the blind holes 6 and are clamped and fixed through clamping components 7, sealing rubber gaskets 8 are fixedly bonded on the side walls of the templates 3, and the sealing rubber gaskets 8 are designed to ensure the sealing performance between two adjacent groups of templates 3 when a plurality of template 3 are clamped and fixed at the upper end of the base 2, so that the integral sealing performance of the cofferdam body 1 is ensured, the two sides of each template 3 are respectively provided with a first weir plate part and a second weir plate part, and the first weir plate parts and the second weir plate parts are obliquely and symmetrically arranged by taking the center of the template 3 as a symmetrical shaft;

the clamping assembly 7 comprises an elastic buckle 9 arranged on the inner wall of the blind hole 6 and an arc-shaped clamping groove 10 formed in the side wall of the square rod 5 and matched with the elastic buckle 9, the elastic buckle 9 is clamped and fixed with the arc-shaped clamping groove 10, the elastic buckle 9 comprises steel balls 12, a sliding block 13, a compression spring 14 and two groups of baffles 15, the sliding block 13 and the compression spring 14 are both positioned between the two groups of baffles 15, the steel balls 12 are attached to one side of the sliding block 13, one side of the sliding block 13 is fixedly connected to one end of the compression spring 14, and the two groups of baffles 15 are arranged;

the square rods 5 are integrally formed at the upper end of the base 2 in a linear shape at equal intervals, blind holes 6 matched with the square rods 5 are formed in the shaping plates 3, the plurality of shaping plates 3 are clamped and fixed at the upper end of the base 2, the side walls of the shaping plates 3 are mutually attached, the cofferdam main body 1 is arranged in a mode of splicing the shaping plates 3, the existing steel sheet pile lattice cofferdam is replaced, and the installation and disassembly modes are changed to be simpler and more convenient;

the upper end of the template 3 is provided with a threaded through hole 11, the threaded through hole 11 is communicated with the inside of the blind hole 6, and the inside of the threaded through hole 11 is provided with a dismounting assembly 16 for dismounting the template 3 from the base 2;

the disassembling component 16 comprises a screw rod 17, a top plate 18 and a rotating bearing 19, the screw rod 17 is installed inside the threaded through hole 11 in a threaded mode, the lower end of the screw rod 17 penetrates through the threaded through hole 11 and is located inside the blind hole 6, the rotating bearing 19 is embedded and fixed on the upper surface of the top plate 18, the lower end of the screw rod 17 is fixedly inserted into an inner ring of the rotating bearing 19, an inserting hole 20 is formed in the side wall of one end, located outside the template 3, of the screw rod 17, and a handle 21 used for rotating the screw rod 17 is inserted into the inserting hole 20;

when the handle 21 drives the screw 17 to rotate, the lower end of the screw 17 descends to enable the top plate 18 to abut against the upper end of the square rod 5, and the screw 17 is rotated after the top plate 18 abuts against the upper end of the square rod 5;

through set up threaded through hole 11 in the upper end of template 3, install the detaching assembly 16 that is used for dismantling template 3 from base 2 at the internal thread of threaded through hole 11, through rotating detaching assembly 16's screw rod 17 to drive roof 18 and push down and contradict in square bar 5 upper end, with template 3 from base 2 jack-up, further be convenient for dismantle cofferdam main part 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a cofferdam for facing river station construction, is including installing cofferdam main part (1) in the river course, its characterized in that: cofferdam main part (1) includes base (2) and template (3), a plurality of groups template (3) joint is fixed in the upper end of base (2), just laminate each other between template (3) lateral wall, the lower extreme integrated into one piece of base (2) has staple (4) that are used for being fixed in the riverbed with base (2), just the upper end of base (2) is linear equidistant integrated into one piece and has square pole (5), the inside of template (3) is provided with blind hole (6) with square pole (5) looks adaptation, just it is fixed through joint subassembly (7) joint in the inside of blind hole (6) to peg graft square pole (5), it has sealing rubber pad (8) to fix the bonding on the lateral wall of template (3).

2. The cofferdam for the construction of a river reaching station as claimed in claim 1, wherein: joint subassembly (7) including set up elastic buckle (9) on blind hole (6) inner wall and set up arc draw-in groove (10) with elastic buckle (9) looks adaptation on square bar (5) lateral wall, elastic buckle (9) are fixed with arc draw-in groove (10) joint.

3. The cofferdam for the construction of a river reaching station as claimed in claim 2, wherein: the elastic buckle (9) comprises steel balls (12), a sliding block (13), a compression spring (14) and two groups of baffles (15), wherein the sliding block (13) and the compression spring (14) are both located between the two groups of baffles (15).

4. The cofferdam for the construction of a river reaching station as claimed in claim 3, wherein: the steel ball (12) is attached to one side of the sliding block (13), one side of the sliding block (13) is fixedly connected to one end of the compression spring (14), and the baffle (15) is provided with two groups.

5. The cofferdam for the construction of a river reaching station as claimed in claim 1, wherein: threaded through hole (11) are seted up to the upper end of template (3), just threaded through hole (11) with the inside intercommunication of blind hole (6), the internal thread of threaded through hole (11) is installed and is used for dismantling template (3) from base (2) dismantlement subassembly (16).

6. The cofferdam for the construction of a river reaching station as claimed in claim 5, wherein: the disassembling component (16) comprises a screw rod (17), a top plate (18) and a rotating bearing (19), the screw rod (17) is installed inside the threaded through hole (11) in a threaded mode, the lower end of the screw rod (17) penetrates through the threaded through hole (11) and is located inside the blind hole (6), the rotating bearing (19) is embedded and fixed on the upper surface of the top plate (18), and the lower end of the screw rod (17) is fixedly inserted into an inner ring of the rotating bearing (19).

7. The cofferdam for the construction of a river reaching station as claimed in claim 6, wherein: the screw rod (17) is provided with an insertion hole (20) in the side wall of one end positioned outside the shaping plate (3), and a handle (21) used for rotating the screw rod (17) is inserted into the insertion hole (20).

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