Cofferdam device for highway bridge construction

Abstract

The utility model discloses a cofferdam device for highway bridge construction, relates to the technical field of cofferdam devices, and solves the technical problem that in the prior art, a square cofferdam cannot be formed through automatic sedimentation to facilitate bridge and road base construction. An outer sinking frame is installed on the upper wall face of the main frame in a sliding mode, an inner sinking frame is installed in the outer sinking frame in a sliding mode, an upper platform is installed on the upper wall face of the main frame, an auxiliary stirring structure is installed in the upper platform, an outer sinking driving structure is installed in the main frame, and an inner sinking driving structure is installed in the outer sinking frame. The cofferdam can realize self-adaptive sinking in the construction process, so that an effective square cofferdam structure can be quickly formed, and the construction efficiency is improved; the interference of external water pressure on internal construction can be effectively reduced, and the stability of a construction environment is ensured; the mixing and stirring functions can be achieved, the uniformity of concrete poured in the cofferdam can be improved, and therefore the construction quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cofferdam devices, and in particular to a cofferdam device for highway bridge construction. Background Art

[0002] The invention relates to the technical field in which the cofferdam device is a waterproof and protective facility used in hydraulic structures and engineering construction, and is usually used in water areas or wetlands and other environments; its main functions are as follows: waterproof isolation: the cofferdam can effectively prevent water from entering the construction area, providing a dry working environment for easy civil construction; environmental protection: during the construction process, the cofferdam can be set up to prevent the pollution of the surrounding water bodies by sediment and construction materials, and protect the aquatic ecology; safety protection: the setting of the cofferdam can reduce the dangers of water hammer, buoyancy, etc. that may occur during construction to construction personnel and equipment, and provide safety protection; water level control: the water level in the construction area can be effectively controlled through the structural setting of the cofferdam, providing convenience for subsequent operations; support structure stability: the cofferdam itself, as a supporting structure, can withstand certain external forces, Ensure structural stability during the construction process; its existence is of great significance: improve construction efficiency: the cofferdam device can speed up the construction progress, shorten the construction period and reduce the construction cost; ensure construction quality: provide a dry environment, which is conducive to improving the quality of the project and ensuring the smooth progress of subsequent construction work; promote ecological protection: the cofferdam can effectively reduce the damage of construction to the ecological environment, which meets the requirements of modern sustainable development; enhance emergency response capabilities: in emergencies, the cofferdam can be used as an emergency measure to help quickly organize rescue and deal with problems; the design, construction and management technology of the cofferdam continues to develop and innovate, promoting the progress of related engineering technology and the accumulation of experience; the cofferdam device plays an important role in hydraulic construction and other related projects, which can not only enhance construction safety and efficiency, but also promote environmental protection and the improvement of project quality.

[0003] For example, the invention entitled "A cofferdam device for highway bridge construction" with publication number CN221321017U comprises a baffle, the side of which is connected with a connecting piece, a support rod is installed on the surface of the baffle, a fixing seat is provided at the bottom end of the support rod, a directional component is provided inside the fixing seat, four L-shaped blocks are installed on the side of the support rod, and a locking component is provided on the side of the L-shaped block. The utility model provides a locking component so that the insertion rod and the insertion hole are tightly plugged under the elastic force of the spring on the sleeve block.

[0004] The existing technology has the technical problem that it cannot automatically settle to form a square cofferdam to facilitate the construction of bridge and road foundations. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a cofferdam device for highway bridge construction, which solves the technical problem that the prior art cannot automatically settle to form a square cofferdam to facilitate the construction of bridges and road foundations.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a cofferdam device for highway bridge construction, comprising a main frame, an outer sinking frame is slidably installed in the main frame, an inner sinking frame is slidably installed in the outer sinking frame, an upper platform is installed on the upper wall of the main frame, an auxiliary stirring structure is installed in the upper platform, an outer sinking drive structure is installed in the main frame, an inner sinking drive structure is installed in the outer sinking frame, a drainage pump is fixedly installed in the inner sinking frame, the drainage pump input end is installed at the lower end, and the drainage pump output end is connected to the outside of the top of the main frame.

[0007] Preferably, the auxiliary stirring structure includes a stirring motor, an inner bracket is fixedly installed in the upper platform, a fixed platform is fixedly installed between the inner brackets, an electric push rod is fixedly installed at the lower end of the fixed platform, a lifting platform is fixedly installed at the telescopic end of the electric push rod, the stirring motor is fixedly installed on the lifting platform, and a stirring part is installed on the lifting platform.

[0008] Preferably, the stirring part includes a coupler and a stirring disk, the coupler is fixedly mounted on the lower wall of the lifting platform, the coupler input end is fixedly connected to the stirring motor driving end, and the stirring disk is fixedly connected to the coupler output end.

[0009] Preferably, the external sinking drive structure includes an external sinking motor, which is fixedly mounted on the upper wall of the upper platform, a threaded rod is fixedly mounted on the driving end of the external sinking motor, a threaded sleeve is fixedly mounted inside the external sinking frame, and the threaded rod and the threaded sleeve are threadedly connected.

[0010] Preferably, the inner sinking driving structure comprises a hydraulic cylinder, the hydraulic cylinder is fixedly installed in the outer sinking frame, and the telescopic end of the hydraulic cylinder is fixedly connected to the inner wall surface of the inner sinking frame.

[0011] Preferably, a sealing grease ring is fixedly installed on the upper wall surface of the inner sunken frame, a sealing sleeve is fixedly installed on the upper wall surface of the outer sunken frame, a blower is fixedly installed on the sealing sleeve, a positive pressure air guide groove is provided in the sealing sleeve, an external reinforcement pile is fixedly installed outside the main frame, an external guide block is fixedly installed inside the main frame, an external guide groove is provided in the outer sunken frame, the outer guide block is slidably installed in the outer guide groove, an inner guide block is fixedly installed in the outer sunken frame, an inner guide groove is provided in the inner sunken frame, the inner guide block is slidably installed in the inner guide groove, and a weir insertion slope is provided at the lower ends of the outer sunken frame and the inner sunken frame.

[0012] Beneficial Effects

[0013] The present invention provides a cofferdam device for highway bridge construction. The present invention has an automatic settlement design, so that the cofferdam can realize adaptive sinking during the construction process, which is convenient for quickly forming an effective square cofferdam structure, greatly improving the flexibility and efficiency of construction; it can effectively reduce the interference of external water pressure on internal construction and ensure the stability of the construction environment; it can realize mixing and stirring functions, which helps to improve the uniformity of poured concrete in the cofferdam, thereby improving the construction quality; it provides efficient drainage capacity, which helps to quickly remove moisture in the construction area, keep the environment dry, and ensure the smooth progress of the construction steps; it can establish an effective sealed environment and prevent water infiltration to a certain extent, which helps to maintain the integrity of the cofferdam; the structural design of the device is convenient for operators to operate and maintain, reduces the demand for professional and technical personnel, and helps to improve the work efficiency of the construction team. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention provides a schematic diagram of the main structure of a cofferdam device for highway bridge construction.

[0015] In the figure: 1, main frame; 2, outer sinking frame; 3, inner sinking frame; 4, upper platform; 5, drainage pump; 6, stirring motor; 7, inner bracket; 8, fixed platform; 9, electric push rod; 10, lifting platform; 11, coupler; 12, stirring plate; 13, outer sinking motor; 14, threaded rod; 15, threaded sleeve; 16, hydraulic cylinder; 17, sealing grease ring; 18, sealing sleeve; 19, blower; 20, positive pressure air guide groove; 21, outer reinforcement pile; 22, outer guide block; 23, inner guide block; 24, weir slope; DETAILED DESCRIPTION

[0016] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The detailed description is as follows.

[0017] See also Figure 1 The present invention provides a technical solution: a cofferdam device for highway bridge construction, comprising a main frame 1, an outer sinking frame 2 is slidably installed in the main frame 1, an inner sinking frame 3 is slidably installed in the outer sinking frame 2, an upper platform 4 is installed on the upper wall of the main frame 1, an auxiliary stirring structure is installed in the upper platform 4, an outer sinking drive structure is installed in the main frame 1, an inner sinking drive structure is installed in the outer sinking frame 2, a drainage pump 5 is fixedly installed in the inner sinking frame 3, the input end of the drainage pump 5 is installed at the lower end, and the output end of the drainage pump 5 is connected to the outside of the upper part of the main frame 1.

[0018] The present embodiment is further configured such that the auxiliary stirring structure includes a stirring motor 6, an inner bracket 7 is fixedly installed in the upper platform 4, a fixed platform 8 is fixedly installed between the inner brackets 7, an electric push rod 9 is fixedly installed at the lower end of the fixed platform 8, a lifting platform 10 is fixedly installed at the telescopic end of the electric push rod 9, the stirring motor 6 is fixedly installed on the lifting platform 10, and a stirring part is installed on the lifting platform 10.

[0019] This embodiment is further configured such that the stirring portion includes a coupler 11 and a stirring plate 12, the coupler 11 is fixedly mounted on the lower wall of the lifting platform 10, the input end of the coupler 11 is fixedly connected to the driving end of the stirring motor 6, and the stirring plate 12 is fixedly connected to the output end of the coupler 11.

[0020] This embodiment is further configured as follows: the external sinking driving structure includes an external sinking motor 13, the external sinking motor 13 is fixedly installed on the upper wall of the upper platform 4, a threaded rod 14 is fixedly installed on the driving end of the external sinking motor 13, a threaded sleeve 15 is fixedly installed in the external sinking frame 2, and the threaded rod 14 and the threaded sleeve 15 are threadedly connected.

[0021] This embodiment is further configured such that the inner sinking driving structure includes a hydraulic cylinder 16 , the hydraulic cylinder 16 is fixedly installed in the outer sinking frame 2 , and the telescopic end of the hydraulic cylinder 16 is fixedly connected to the inner wall surface of the inner sinking frame 3 .

[0022] The present embodiment is further configured as follows: a sealing grease ring 17 is fixedly installed on the upper wall surface of the inner sunken frame 3, a sealing sleeve 18 is fixedly installed on the upper wall surface of the outer sunken frame 2, a blower 19 is fixedly installed on the sealing sleeve 18, a positive pressure air guide groove 20 is provided in the sealing sleeve 18, an external reinforcement pile 21 is fixedly installed outside the main frame 1, an external guide block 22 is fixedly installed inside the main frame 1, an external guide groove is provided in the outer sunken frame 2, and the outer guide block 22 is slidably installed in the outer guide groove, an inner guide block 23 is fixedly installed in the outer sunken frame 2, an inner guide groove is provided in the inner sunken frame 3, and the inner guide block 23 is slidably installed in the inner guide groove, and a weir slope 24 is provided at the lower ends of the outer sunken frame 2 and the inner sunken frame 3.

[0023] The detailed connection means are well known in the art; Figure 1As shown, the following is the specific usage of the cofferdam device for highway bridge construction: Site survey: Before construction, conduct necessary site surveys to understand the hydrological conditions and terrain and develop a suitable construction plan; transport the cofferdam device to the construction site and assemble and install it according to the design drawings. Ensure that each component (main frame 1, outer sinking frame 2, inner sinking frame 3 and related drive devices) is connected correctly; place the main frame 1 at the predetermined construction position to ensure that the horizontal and vertical positions meet the design requirements; slide the outer sinking frame 2 and the inner sinking frame 3 into the main frame 1 to ensure that their sliding functions are normal; connect the power supply of the outer sinking motor 13, the stirring motor 6 and the drainage pump 5 to ensure that the system can operate normally; perform system testing, check the working status of each driving structure and stirring component, and ensure that the equipment is fault-free; activate the outer sinking motor 13 to start the sinking process of the outer sinking frame 2, and monitor the sinking at the same time. The sinking depth and tilting condition; when the outer sinking frame 2 reaches the target depth, start the inner sinking driving structure and activate the sinking process of the inner sinking frame 3; when the mud and sewage in the cofferdam are removed, start the stirring motor 6 to stir the stirring part to ensure that the mixture is uniform; at the same time, activate the drainage pump 5 to discharge the excess water in the cofferdam in real time to keep the construction area dry; continuously monitor the working status of each component of the cofferdam, and record the settlement and surrounding water level changes in time; if uneven sinking or tilting is found, stop the machine for adjustment to ensure the stability of the structure; complete the pouring of concrete in the cofferdam. After the material solidifies, check the integrity and firmness of the cofferdam; after pouring, please maintain the appropriate curing time as needed; after the concrete is completely solidified, disassemble the cofferdam device in reverse order and carefully handle the residual materials; clean up the construction site, restore the environment, and ensure that there is no pollution around; monitor the surrounding environment and structure for a period of time to ensure its stability and safety. According to the actual situation, it may be necessary to adjust and optimize the operation sequence and specific steps.

[0024] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A cofferdam device for highway bridge construction, comprising a main frame (1), characterized in that: An outer sinking frame (2) is slidably mounted in the main frame (1), an inner sinking frame (3) is slidably mounted in the outer sinking frame (2), an upper platform (4) is mounted on the upper wall of the main frame (1), an auxiliary stirring structure is mounted in the upper platform (4), an outer sinking drive structure is mounted in the main frame (1), an inner sinking drive structure is mounted in the outer sinking frame (2), a drainage pump (5) is fixedly mounted in the inner sinking frame (3), an input end of the drainage pump (5) is mounted at the lower end, and an output end of the drainage pump (5) is connected to the upper outside of the main frame (1).

2. A cofferdam device for highway bridge construction according to claim 1, characterized in that The auxiliary stirring structure comprises a stirring motor (6), an inner bracket (7) is fixedly installed in the upper platform (4), a fixed platform (8) is fixedly installed between the inner brackets (7), an electric push rod (9) is fixedly installed at the lower end of the fixed platform (8), a lifting platform (10) is fixedly installed at the telescopic end of the electric push rod (9), the stirring motor (6) is fixedly installed on the lifting platform (10), and a stirring part is installed on the lifting platform (10).

3. A cofferdam device for highway bridge construction according to claim 2, characterized in that The stirring portion comprises a coupler (11) and a stirring plate (12); the coupler (11) is fixedly mounted on the lower wall of the lifting platform (10); the input end of the coupler (11) is fixedly connected to the driving end of the stirring motor (6); and the stirring plate (12) is fixedly connected to the output end of the coupler (11).

4. A cofferdam device for highway bridge construction according to claim 1, characterized in that The external sinking driving structure comprises an external sinking motor (13), the external sinking motor (13) is fixedly mounted on the upper wall of the upper platform (4), a threaded rod (14) is fixedly mounted on the driving end of the external sinking motor (13), a threaded sleeve (15) is fixedly mounted inside the external sinking frame (2), and the threaded rod (14) and the threaded sleeve (15) are threadedly connected.

5. A cofferdam device for highway bridge construction according to claim 1, characterized in that The inner sinking driving structure comprises a hydraulic cylinder (16), wherein the hydraulic cylinder (16) is fixedly installed in the outer sinking frame (2), and the telescopic end of the hydraulic cylinder (16) is fixedly connected to the inner wall surface of the inner sinking frame (3).

6. A cofferdam device for highway bridge construction according to claim 1, characterized in that A sealing grease ring (17) is fixedly installed on the upper wall of the inner sunken frame (3), a sealing sleeve (18) is fixedly installed on the upper wall of the outer sunken frame (2), a blower (19) is fixedly installed on the sealing sleeve (18), a positive pressure air guide groove (20) is provided in the sealing sleeve (18), an external reinforcement pile (21) is fixedly installed outside the main frame (1), an external guide block (22) is fixedly installed inside the main frame (1), an external guide groove is provided in the outer sunken frame (2), the external guide block (22) is slidably installed in the external guide groove, an internal guide block (23) is fixedly installed in the outer sunken frame (2), an internal guide groove is provided in the inner sunken frame (3), the internal guide block (23) is slidably installed in the internal guide groove, and a weir insertion slope (24) is provided at the lower ends of the outer sunken frame (2) and the inner sunken frame (3).

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