CN220035480U

CN220035480U - Cofferdam structure

Info

Publication number: CN220035480U
Application number: CN202321629182.XU
Authority: CN
Inventors: 李丹丹; 吴坤光; 孟祥文
Original assignee: Tianjin Tianyu Construction Engineering Co ltd
Current assignee: Tianjin Tianyu Construction Engineering Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-11-17
Anticipated expiration: 2033-06-26

Abstract

The utility model relates to the technical field of cofferdams and discloses a cofferdam structure, which comprises a base, wherein two sides of the top of the surface of the base are respectively provided with a support column, the upper part of the surface of the support column is provided with a mounting plate, four corners of the top of the mounting plate are respectively provided with a support rod, the top of the support rod is fixedly provided with a top plate, the bottom of the top plate is fixedly provided with a transmission mechanism, the transmission mechanism is fixedly arranged with the surface of the support column, and two sides of the top plate are provided with sliding holes which are in sliding connection with the support column.

Description

Cofferdam structure

Technical Field

The utility model relates to the technical field of cofferdams, in particular to a cofferdam structure.

Background

The cofferdam is a temporary enclosure structure built for building permanent water conservancy facilities in hydraulic engineering construction, and has the functions of preventing water and soil from entering a construction position of a building, so that water is drained in the cofferdam, a foundation pit is excavated, the building is built, the effect of the cofferdam can prevent moisture and water from permeating, pit walls of the foundation pit can be supported, the cofferdam comprises an earth-rock cofferdam, a steel sheet pile cofferdam, a concrete cofferdam and the like, the earth-rock cofferdam can fully utilize local materials, the foundation adaptability is high, the construction cost is low, the construction is simple and convenient, the occupied area of the steel sheet pile cofferdam is small, the safe and reliable recovery rate is high, and the concrete cofferdam is generally built on steep hills and rivers on two sides. The prior art has the following defects: the existing cofferdam structure such as a steel sheet pile cofferdam is very simple in structural design, steel sheet piles are directly placed in a cofferdam river course and are not firmly fixed with the ground, the steel sheet piles are not firmly placed, in addition, the existing earth-rock cofferdam is not provided with a connecting structure, after the effect of river water impact is received, the steel sheet piles are weak due to the fixing structure, and the steel sheet piles are easy to disperse, so that the strength of the steel sheet pile cofferdam is reduced.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a cofferdam structure which solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a cofferdam structure, includes the base, the both sides at the surface top of base are provided with the support column respectively, the surface upper portion of support column is provided with the mounting panel, four corners at the top of mounting panel are provided with the bracing piece respectively, the top fixed mounting of bracing piece has the roof, the bottom fixed mounting of roof has drive mechanism, drive mechanism with the fixed surface of support column installs, the both sides of roof seted up with support column sliding connection's sliding tray, the spacing groove has been seted up to the surface of base, steel sheet pile has been placed to the inside of spacing groove, the surface both ends of mounting panel and base respectively fixed mounting have the dead block, the inside sliding connection of dead block has the dead lever, the tip threaded connection of dead lever has fastening nut.

Preferably, the top of base is arranged in an array and is provided with three telescopic links, and the top of telescopic link and mounting panel bottom surface fixed mounting.

Preferably, the transmission mechanism comprises a motor, a first belt pulley, a transmission belt and a second belt pulley, wherein the top of the motor is fixedly installed at the bottom of the top plate, the output end of the motor is fixedly installed with the first belt pulley, the bottom of the first belt pulley is rotationally connected with the mounting plate, the second belt pulley is rotationally connected with the inside of the mounting plate, the surfaces of the first belt pulley and the second belt pulley are fixedly installed through the transmission belt, the support column is in threaded connection with the inner part of the second belt pulley, and the support column is in threaded connection with the inner part of the sliding hole.

Preferably, two rotating seats are fixedly arranged on one end surface of the mounting plate, a supporting plate is rotatably connected between the two rotating seats, and a bottom plate which is abutted to the ground is fixedly arranged at the bottom of the supporting plate.

Preferably, the mounting plate is far away from one end of the rotating seat and is fixedly provided with a lower pressing plate, and the bottom of the lower pressing plate is fixedly provided with a baffle plate which is abutted to the top of the steel sheet pile.

The utility model has the technical effects and advantages that:

1. according to the utility model, the fixing blocks, the fixing rods and the fastening nuts are arranged, the two adjacent mounting plates and the base are closely placed together, so that the two fixing blocks are close to each other, the fixing rods penetrate through the inside of the fixing blocks, and the two adjacent fixing blocks are fixedly installed through the fastening nuts and the two ends of the fixing rods in threaded connection, so that the connection firmness of the adjacent cofferdam structures is improved, the river impact resistance effect is improved, and the strength and the firmness of the integral cofferdam structure are improved.

2. According to the utility model, the base, the limit groove, the lower pressing plate, the transmission mechanism and the baffle are arranged, the steel sheet pile is placed in the limit groove, the lower pressing plate is driven to move through the transmission mechanism, the bottom of the lower pressing plate is abutted against the top of the steel sheet pile, and the baffle is used for blocking the steel sheet pile from moving outwards, so that the firmness of the steel sheet pile is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic structural view of a transmission mechanism of the present utility model.

Fig. 3 is a schematic view of yet another overall structure of the present utility model.

Fig. 4 is a schematic view of a base structure of the present utility model.

The reference numerals are: 1. a base; 2. a support column; 3. a mounting plate; 4. a support rod; 5. a top plate; 6. a sliding hole; 7. a limit groove; 8. steel sheet piles; 9. a fixed block; 10. a fixed rod; 11. a fastening nut; 12. a telescopic rod; 13. a motor; 14. a first pulley; 15. a transmission belt; 16. a second pulley; 17. a rotating seat; 18. a support plate; 19. a bottom plate; 20. a lower pressing plate; 21. and a baffle.

Detailed Description

The present utility model will be described more fully with reference to the accompanying drawings, and the configurations of the structures described in the following embodiments are merely examples, and the cofferdam structure according to the present utility model is not limited to the configurations described in the following embodiments, and all other embodiments obtained by a person skilled in the art without making any creative effort are within the scope of protection of the present utility model.

The utility model provides a cofferdam structure, which comprises a base 1, wherein two sides of the top of the surface of the base 1 are respectively provided with a support column 2, the upper part of the surface of the support column 2 is provided with a mounting plate 3, four corners of the top of the mounting plate 3 are respectively provided with a support rod 4, the top of the support rod 4 is fixedly provided with a top plate 5, the bottom of the top plate 5 is fixedly provided with a transmission mechanism, the transmission mechanism is fixedly arranged on the surface of the support column 2, two sides of the top plate 5 are provided with sliding holes 6 which are in sliding connection with the support column 2, the surface of the base 1 is provided with a limit groove 7, steel sheet piles 8 are placed in the limit groove 7, the two ends of the surface of the mounting plate 3 and the base 1 are respectively fixedly provided with a fixed block 9, the inside of the fixed block 9 is slidingly connected with a fixed rod 10, the end part of the fixed rod 10 is in threaded connection with a fastening nut 11, through arranging the fixed blocks 9, the fixed rods 10 and the fastening nuts 11, two adjacent mounting plates 3 and the base 1 are tightly placed together, so that the two fixed blocks 9 are close to each other, the fixed rods 10 penetrate through the inside of the fixed blocks 9, the two ends of the fixed rods 10 are connected with each other through the fastening nuts 11 in a threaded manner, so that the two adjacent fixed blocks 9 are fixedly installed, the connection firmness of adjacent cofferdam structures is improved, the effect of resisting river water impact is improved, the strength and the firmness of the integral cofferdam structures are improved, the support columns 2, the mounting plates 3, the support rods 4, the top plates 5 and the transmission mechanism are arranged, the mounting plates 3 are driven to move on the support columns 2 through the transmission mechanism, the height of the mounting plates 3 is changed, the cofferdam structure of the design can be used in various cofferdam occasions with different heights, the steel sheet piles 8 are placed above the base 1, the steel sheet pile 8 is clamped and fixed above the base 1 by pressing down the mounting plate 3, and the top of the supporting rod 4 is fixedly mounted on the top plate 5 by the supporting rod 4, so that the transmission mechanism is fixedly mounted at the bottom of the top plate 5.

Further, the top array of base 1 has three telescopic link 12, the top of telescopic link 12 with mounting panel 3 bottom surface mounting, through setting up telescopic link 12, three telescopic link 12 set up between two support columns 2 for the surperficial top bearing structure of base 1 is more firm.

Further, the transmission mechanism comprises a motor 13, a first belt pulley 14, a driving belt 15 and a second belt pulley 16, the top of the motor 13 is fixedly installed at the bottom of the top plate 5, the output end of the motor 13 is fixedly installed at the first belt pulley 14, the bottom of the first belt pulley 14 is rotationally connected with the mounting plate 3, the second belt pulley 16 is rotationally connected with the inside of the mounting plate 3, the surfaces of the first belt pulley 14 and the second belt pulley 16 are fixedly installed through the driving belt 15, the support column 2 is in threaded connection with the inside of the second belt pulley 16, the support column 2 is in threaded connection with the inside of the sliding hole 6, the motor 13, the first belt pulley 14, the driving belt 15 and the second belt pulley 16 are arranged, the driving belt 15 is driven to rotate through the motor 13, the driving belt 14 is driven to rotate, the driving belt 15 is driven to rotate the second belt pulley 16 in the inside of the mounting plate 3, and the support column 2 is driven to rotate in a spiral mode in the inside of the sliding hole 6, and the support column 2 is driven to move in the up-down direction in the inside of the mounting plate 3.

Further, two rotation seats 17 are fixedly installed on one end surface of the mounting plate 3, a support plate 18 is rotatably connected between the two rotation seats 17, a bottom plate 19 which is in butt joint with the ground is fixedly installed at the bottom of the support plate 18, the support plate 18 rotates in the rotation seats 17 through the arrangement of the rotation seats 17 and the support plate 18, the bottom of the support plate 18 is in butt joint with the ground, an anti-slip layer is arranged at the bottom of the bottom plate 19 through the arrangement of the bottom plate 19, and firmness of the bottom plate 19 and the ground is improved.

Further, the mounting plate 3 is kept away from the one end fixed mounting who rotates seat 17 has holding down plate 20, the bottom fixed mounting of holding down plate 20 has baffle 21, through setting up holding down plate 20 and baffle 21, drives holding down plate 20 through mounting plate 3 and removes for the bottom of holding down plate 20 and the top butt of steel sheet pile 8, make steel sheet pile 8 firmly fix between holding down plate 20 and base 1, through baffle 21, block that steel sheet pile 8 is to outside removal.

The working principle of the utility model is as follows: firstly, the base 1 is placed at the bottom of a river cofferdam, then a motor 13 is started, the motor 13 drives a first belt pulley 14 to rotate, the first belt pulley 14 drives a driving belt 15 to rotate, the driving belt 15 drives a second belt pulley 16 to rotate in the mounting plate 3, the support column 2 is made to rotate in a spiral mode in the sliding hole 6, the mounting plate 3 is driven to move up and down along the support column 2, the height of the mounting plate 3 is changed, then a steel sheet pile 8 is placed in a limiting groove 7, the mounting plate 3 drives a lower pressing plate 20 to move to the top of the steel sheet pile 8, the steel sheet pile 8 is clamped and fixed, the base 1 is moved again, adjacent fixing blocks 9 are abutted, a fixing rod 10 passes through the two fixing blocks 9, then the fastening nuts 11 are made to rotate with threads at two ends of the fixing rod 10, and the fastening nuts 11 are made to abut against the surface of the fixing blocks 9.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a cofferdam structure, includes base (1), its characterized in that: support column (2) are respectively arranged on two sides of the top of the surface of base (1), mounting plate (3) are arranged on the upper surface of support column (2), supporting rods (4) are respectively arranged on four corners of the top of mounting plate (3), top fixed mounting of supporting rods (4) is provided with a top plate (5), bottom fixed mounting of top plate (5) is provided with a transmission mechanism, transmission mechanism with surface fixed mounting of support column (2), sliding holes (6) in sliding connection with support column (2) are formed in two sides of top plate (5), limiting grooves (7) are formed in the surface of base (1), steel sheet piles (8) are arranged in the limiting grooves (7), fixed blocks (9) are respectively fixedly mounted at two ends of the surface of mounting plate (3) and base (1), fixing rods (10) are connected in a sliding manner, and fastening nuts (11) are connected to end threads of the fixing rods (10).

2. A cofferdam structure as in claim 1, wherein: the top of the base (1) is provided with three telescopic rods (12), and the top of each telescopic rod (12) is fixedly arranged on the surface of the bottom of the mounting plate (3).

3. A cofferdam structure as in claim 1, wherein: the transmission mechanism comprises a motor (13), a first belt wheel (14), a transmission belt (15) and a second belt wheel (16), wherein the top of the motor (13) is fixedly installed at the bottom of the top plate (5), the output end of the motor (13) is fixedly installed with the first belt wheel (14), the bottom of the first belt wheel (14) is rotationally connected with the mounting plate (3), the second belt wheel (16) is rotationally connected with the inside of the mounting plate (3), the surfaces of the first belt wheel (14) and the second belt wheel (16) are fixedly installed through the transmission belt (15), the support column (2) is in threaded connection with the inside of the second belt wheel (16), and the support column (2) is in threaded connection with the inside of the sliding hole (6).

4. A cofferdam structure as in claim 1, wherein: two rotating seats (17) are fixedly arranged on one end surface of the mounting plate (3), a supporting plate (18) is rotatably connected between the two rotating seats (17), and a bottom plate (19) abutted to the ground is fixedly arranged at the bottom of the supporting plate (18).

5. A cofferdam structure as set forth in claim 4, wherein: one end of the mounting plate (3) far away from the rotating seat (17) is fixedly provided with a lower pressing plate (20), and the bottom of the lower pressing plate (20) is fixedly provided with a baffle plate (21) which is abutted to the top of the steel sheet pile (8).