Steel structure ladder cage foundation added with water for counterweight
By adopting steel truss and water tank design in the steel structure ladder cage foundation, combined with cross structure and connecting flanges, the problems of low construction efficiency and environmental protection in the existing technology are solved, and efficient and low-cost steel structure ladder cage foundation is realized. Ensures the safety and environmental friendliness of construction.
Patent Information
- Application Number
- CN202420555752.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-03-21
AI Technical Summary
In the prior art, the construction of steel structure ladder cages relies on concrete foundations, resulting in low construction efficiency, high cost and unenvironmental protection, and difficulty in removing concrete foundations, affecting the environment.
The steel structure ladder cage foundation design is adopted, including the foundation steel truss and the water tank wrapped on its outside. The water volume in the water tank is adjusted through the water inlet and outlet, increasing or reducing weight, and the cross-designed steel truss structure bears loads and through the connection method Lan and hanging lugs achieve stable installation and transportation.
It improves construction efficiency, reduces costs, avoids the problem of difficulty in removing concrete, and has good safety and durability in the structure, and is highly reusable, which is suitable for temporary installation and relocation.
Smart Images

Figure CN222227357U_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of ladder cage foundations, and in particular, relates to a steel structure ladder cage foundation with water counterweight. Background Art
[0002] In the prior art, cast-in-place concrete foundation is formed by casting concrete in the foundation pit by supporting formwork after excavating the foundation pit. This has the following disadvantages: a concrete foundation must be cast for each high-altitude construction operation, resulting in concrete waste and increased construction costs; after casting the concrete foundation, it is necessary to wait until a certain strength is reached before installing the ladder cage, which reduces construction efficiency; leaving the concrete foundation underground or breaking it will damage the environment, which is contrary to the concept of environmental protection.
[0003] The patent number is 202322073926.0, and a public specification published on March 15, 2024 discloses a safety ladder cage construction structure for a continuous rigid frame bridge with underwater piers. It includes prefabricated steel pipe piles, a ladder cage installation platform and a prefabricated ladder cage. The bottom end of the prefabricated steel pipe pile is set in the underwater foundation rock layer, the ladder cage installation platform is fixedly set on the top of the prefabricated steel pipe pile, and the top of the prefabricated steel pipe pile is higher than the water surface. The prefabricated ladder cage is fixedly set on the top surface of the ladder cage installation platform. The prefabricated ladder cage is provided with a safety door. The prefabricated ladder cage is provided with a transfer channel for leading to the underwater pier, and a ladder is provided in the prefabricated ladder cage. The safety ladder cage construction structure for a continuous rigid frame bridge with underwater piers of this application is conducive to the rapid, low-cost and environmentally friendly construction of safety ladder cages in the water flow of rivers, lakes and canyons for underwater pier construction.
[0004] In the above-mentioned prior art, the construction and installation of the ladder cage is still carried out on a concrete foundation, which cannot achieve the purpose of improving efficiency and simplifying construction. Summary of the invention
[0005] The invention aims to provide a steel structure ladder cage foundation with water-weighting and high construction efficiency and low cost.
[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a steel structure ladder cage foundation with water counterweight, comprising a basic steel truss and a water tank wrapped around the outside of the basic steel truss, the water tank is provided with a water inlet and a water outlet, the basic steel truss is provided with a connecting flange that penetrates the water tank, the basic steel truss comprises a lower cross beam, a lower longitudinal beam, an upper cross beam, an upper longitudinal beam and a vertical rod, the lower cross beam and the lower longitudinal beam intersect with each other, the upper cross beam and the upper longitudinal beam intersect with each other, and the vertical rod is arranged between the intersection of the upper cross beam and the upper longitudinal beam and the intersection of the lower cross beam and the lower longitudinal beam.
[0007] The connecting flange is arranged at the intersection of the upper cross beam and the upper longitudinal beam.
[0008] The connecting flange comprises a supporting column arranged on a basic steel truss, and a flange is arranged at the end of the supporting column.
[0009] The basic steel truss is provided with a lifting lug exposed on the outer surface of the water tank.
[0010] The water inlet is located at the top of the water tank, and the water outlet is located at the bottom end of the side of the water tank.
[0011] The water inlet is provided with a water inlet sealing cover, and the water outlet is provided with a water outlet sealing cover.
[0012] The water tank is a rectangular shell formed by sealing a steel plate welded to the outside of a basic steel truss.
[0013] The lifting lugs are arranged at the tops of the four corners of the basic steel truss.
[0014] There are four connecting flanges in total, which are arranged in a rectangular shape.
[0015] The technical effects of the present invention are as follows: by adopting the design of a foundation steel truss to bear the cage load, the structure has clear force, good safety and durability, and the structural counterweight adopts a temporary water-adding form, with a high reuse rate; compared with traditional concrete foundation steel trusses, the product is easy to move and will not cause the problem of difficult concrete removal, which effectively improves construction efficiency and reduces construction costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] This specification includes the following drawings, which show the following contents:
[0017] Figure 1 This is a structural schematic diagram of a steel structure ladder cage foundation with water counterweight added in the utility model;
[0018] Figure 2 for Figure 1 A schematic diagram of a foundation steel truss of a steel structure ladder cage foundation with water counterweight;
[0019] Figure 3 for Figure 1 A schematic diagram of a connection flange of a steel structure ladder cage foundation with water counterweight;
[0020] Figure 4 for Figure 1 A schematic diagram of a lifting lug of a steel structure ladder cage foundation with water counterweight;
[0021] Figure 5 for Figure 1 Schematic diagram of the water inlet and water inlet cover of a steel structure ladder cage foundation with water counterweight.
[0022] The markings in the figure are: 1. Foundation steel truss; 101. Lower longitudinal beam; 102. Upper longitudinal beam; 103. Lower cross beam; 104. Upper cross beam; 105. Vertical rod; 2. Water tank; 3. Connecting flange; 301. Flange; 302. Support column; 4. Lifting ear; 5. Water inlet; 6. Water outlet; 7. Water inlet cover; 8. Water outlet cover. DETAILED DESCRIPTION
[0023] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.
[0024] See also Figure 1-5 A steel structure ladder cage foundation with water counterweight includes a basic steel truss 1 and a water tank 2 wrapped around the outside of the basic steel truss 1, the water tank 2 is provided with a water inlet 5 and a water outlet 6, the basic steel truss 1 is provided with a connecting flange 3 that penetrates the water tank 2, the basic steel truss 1 includes a lower cross beam 103, a lower longitudinal beam 101, an upper cross beam 104, an upper longitudinal beam 102 and a vertical rod 105, the lower cross beam 103 and the lower longitudinal beam 101 intersect with each other, the upper cross beam 104 and the upper longitudinal beam 102 intersect with each other, and the vertical rod 105 is arranged between the intersection of the upper cross beam 104 and the upper longitudinal beam 102 and the intersection of the lower cross beam 103 and the lower longitudinal beam 101.
[0025] When in use, water is poured into the water tank 2 through the water inlet 5, which can increase the overall weight, improve the overall counterweight, and improve the anti-overturning stability. It is fixed to the connecting flange 3 by bolts, and due to the design of the basic steel truss 1, the overall strength is able to support the ladder cage to avoid the risk of collapse and breakage; the intersecting cross beams, longitudinal beams and vertical rods 105 are rigidly connected to each other, which improves the overall strength of the structure and reduces the risk of beam deformation and breakage.
[0026] The connecting flange 3 is arranged at the intersection of the upper cross beam 104 and the upper longitudinal beam 102; since the vertical rod 105 is arranged between the intersection of the upper and lower longitudinal and cross beams, the compressive strength of the upper cross beam 104 and the upper longitudinal beam 102 can be improved with the support of the vertical rod 105, thereby avoiding the situation in which the upper cross beam 104 and the upper longitudinal beam 102 are broken due to gravity and other reasons after the ladder cage is erected.
[0027] The connecting flange 3 comprises a supporting column 302 arranged on the basic steel truss 1 , and a flange 301 is provided at the end of the supporting column 302 ; the ladder cage is fixed to the flange 301 by bolts and is connected to the basic steel truss 1 through the supporting column 302 .
[0028] The basic steel truss 1 is provided with a lifting lug 4 exposed on the outer surface of the water tank 2; the equipment can be lifted by the lifting lug 4, so that the equipment can be transported conveniently.
[0029] The water inlet 5 is located at the top of the water tank 2, and the water outlet 6 is located at the bottom end of the side of the water tank 2; when it is needed, water is poured into the water tank 2 through the water inlet 5 to increase the counterweight, and when it is needed to be moved, the water can be discharged through the water outlet 6 to facilitate movement.
[0030] A water inlet cover 7 is provided on the water inlet 5, and a water outlet cover 8 is provided on the water outlet 6; the independent covers 7 prevent water leakage.
[0031] The water tank 2 is a rectangular shell formed by welding a steel plate sealed on the outside of the basic steel truss 1; the water tank 2 covers the surface of the basic steel truss 1, and the basic steel truss 1 is used to support the water tank 2, and the water tank 2 is used to store water.
[0032] The lifting lugs 4 are arranged at the top of the four corners of the basic steel truss 1 to ensure the overall balance and avoid skewing during lifting.
[0033] There are four connecting flanges 3 in total, which are arranged in a rectangular shape; the ladder cage is supported at four points to improve the stability of the ladder cage after installation.
[0034] The technical effect of the present invention is as follows: by adopting the design of the foundation steel truss 1 to bear the cage load, the structure has clear force, good safety and durability, and the structural counterweight adopts the temporary water addition form, with a high reuse rate; compared with the traditional concrete foundation, the product is easy to move and will not cause the problem of difficulty in removing concrete, which effectively improves the construction efficiency and reduces the construction cost.
[0035] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. Various non-substantial improvements made by using the method concept and technical solution of the present invention; or directly applying the above concept and technical solution of the present invention to other occasions without improvement, are all within the scope of protection of the present invention.
Claims
1. A steel structure ladder cage foundation with water counterweight, characterized in that: The invention comprises a basic steel truss (1) and a water tank (2) wrapped around the outside of the basic steel truss (1), wherein the water tank (2) is provided with a water inlet (5) and a water outlet (6), and the basic steel truss (1) is provided with a connecting flange (3) penetrating the water tank (2). The basic steel truss (1) comprises a lower cross beam (103), a lower longitudinal beam (101), an upper cross beam (104), an upper longitudinal beam (102) and a vertical rod (105), wherein the lower cross beam (103) and the lower longitudinal beam (101) intersect with each other, the upper cross beam (104) and the upper longitudinal beam (102) intersect with each other, and the vertical rod (105) is arranged between the intersection point of the upper cross beam (104) and the upper longitudinal beam (102) and the intersection point of the lower cross beam (103) and the lower longitudinal beam (101).
2. A steel structure ladder cage foundation with water counterweight according to claim 1, characterized in that: The connecting flange (3) is arranged at the intersection of the upper cross beam (104) and the upper longitudinal beam (102).
3. A steel structure ladder cage foundation with water counterweight according to claim 1 or 2, characterized in that: The connecting flange (3) comprises a supporting column (302) arranged on the basic steel truss (1), and a flange plate (301) is provided at the end of the supporting column (302).
4. The steel structure ladder cage foundation with water counterweight according to claim 1, characterized in that: The basic steel truss (1) is provided with a lifting lug (4) exposed on the outer surface of the water tank (2).
5. The steel structure ladder cage foundation with water counterweight according to claim 1, characterized in that: The water inlet (5) is located at the top of the water tank (2), and the water outlet (6) is located at the bottom of the side of the water tank (2).
6. A steel structure ladder cage foundation with water counterweight according to claim 1 or 5, characterized in that: The water inlet (5) is provided with a water inlet sealing cover (7), and the water outlet (6) is provided with a water outlet sealing cover (8).
7. The steel structure ladder cage foundation with water counterweight according to claim 1, characterized in that: The water tank (2) is a rectangular shell formed by sealing a steel plate welded to the outside of the basic steel truss (1).
8. The steel structure ladder cage foundation with water counterweight according to claim 4, characterized in that: The lifting lugs (4) are arranged at the tops of the four corners of the basic steel truss (1).
9. The steel structure ladder cage foundation with water counterweight according to claim 3, characterized in that: There are four connecting flanges (3) in total, which are arranged in a rectangular shape.
