Cage ladder for deep foundation pit construction

By designing a detachable cage ladder body and lifting components, the problem of frequent replacement of traditional cage ladders is solved, and efficient and safe deep foundation pit construction is achieved. It is suitable for deep foundation pits of various depths.

CN223358800UActive Publication Date: 2025-09-19JIANGSU LEIWEI CONSTRUCT ENG CO LTD
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Patent Information

Application Number
CN202422150365.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-09-19
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

In existing deep foundation pit construction, traditional cage ladders need to be replaced according to the depth, and the assembly and disassembly are cumbersome, resulting in low construction efficiency and poor safety and stability.

Method used

A cage ladder main body with detachable connection is designed, the steps are fixed by fixing components, and it is equipped with lifting components and supporting structures, which is suitable for deep foundation pit construction of different depths.

Benefits of technology

It improves the construction efficiency and applicability of the cage ladder, enhances stability and safety, facilitates quick assembly and disassembly, and adapts to the needs of deep foundation pits of various depths.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cage ladder for deep foundation pit construction, which comprises fixing rods, a plurality of fixing rods are connected with one another to form a cage ladder main body, the plurality of fixing rods are detachably connected, a first ladder and a second ladder are arranged in the cage ladder main body, and the first ladder and the second ladder are detachably connected. The first step and the second step are fixed in the cage ladder main body through a fixing assembly, a supporting plate is arranged between the first step and the second step, a supporting seat is arranged at the bottom of the cage ladder main body, and a lifting assembly used for lifting the cage ladder main body is arranged between the cage ladder main body and the supporting seat. According to the cage ladder, the cage ladder main body can be conveniently disassembled and assembled, and meanwhile, the applicability of the cage ladder in the construction process is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of building construction equipment, in particular to a cage ladder for deep foundation pit construction. Background Art

[0002] In construction, especially in deep foundation pits, providing safe and convenient access for construction workers is crucial. Common solutions include erecting fixed scaffolding or using simple ladders. However, scaffolding is time-consuming and labor-intensive to construct, and is susceptible to damage from prolonged exposure to harsh construction environments. Simple ladders, while lightweight, lack safety and stability, compromising worker safety.

[0003] At present, some traditional cage ladders need to be replaced with different cage ladders according to different deep foundation pits when in use. During the construction process, the construction efficiency is slow due to the cumbersome assembly and disassembly process. Utility Model Content

[0004] The present application provides a cage ladder for deep foundation pit construction, which facilitates the disassembly and installation of the cage ladder body and improves the applicability of the cage ladder during the construction process.

[0005] This application provides a cage ladder for deep foundation pit construction, which adopts the following technical solution:

[0006] A cage ladder for deep foundation pit construction includes fixed rods, multiple fixed rods are connected to each other to form a cage ladder main body, and the multiple fixed rods are detachably connected. A first step and a second step are provided in the cage ladder main body, and the first step and the second step are fixed in the cage ladder main body by a fixed assembly. A support plate is provided between the first step and the second step, a support seat is provided at the bottom of the cage ladder main body, and a lifting assembly for lifting the cage ladder main body is provided between the cage ladder main body and the support seat.

[0007] By adopting the above technical solution, the utility model designs a cage ladder for deep foundation pit construction. When in use, a cage ladder main body is formed by detachably connecting multiple fixing rods, and then the first step and the second step are fixed to the cage ladder main body through a fixing assembly, and the support plate is connected to the first step and the second step. The support plate is used to provide a construction area for workers. Finally, the cage ladder main body is connected to the support seat through a lifting assembly. By lifting the cage ladder main body, the cage ladder main body can be made suitable for deep foundation pits of different depths. At the same time, the utility model designs a cage ladder for deep foundation pit construction. The design of the fixed pole lamp structure facilitates the disassembly and installation of the cage ladder main body.

[0008] Preferably, the fixing assembly includes fixing frames arranged at the top, middle and bottom of the cage ladder body, a plurality of first threaded holes are provided on a side of the fixing frame close to the cage ladder body, a first bolt is threadedly connected to the first threaded hole, and the fixing frame is fixed to the cage ladder body by the first bolt, a second threaded hole is provided on a side of the fixing frame close to the first step and the second step, a third threaded hole is provided on the first step and the second step, and a second bolt is threadedly connected to the second threaded hole and the second threaded hole.

[0009] By adopting the above technical solution, the provided fixing frame is convenient for connecting the first step and the second step on the one hand, and is convenient for bearing the support plate on the other hand; the provided first threaded hole is convenient for threaded connection of the first bolt; the provided first bolt is convenient for fixing the fixing frame to the cage ladder body through the first threaded hole; the provided second threaded hole and the second bolt hole are convenient for threaded connection of the second bolt; the provided second bolt is convenient for connecting the first step, the second step and the fixing frame through the second threaded hole and the second bolt hole.

[0010] Preferably, the support plate is disposed in a fixing frame, and the support plate is detachably connected to the fixing frame.

[0011] By adopting the above technical solution, the support plate is detachably connected to the fixing frame, which is convenient for disassembly at any time and improves the stability of the support plate in the fixing frame.

[0012] Preferably, the lifting assembly includes cross-arranged spring rods arranged on the top of the support seat, a hydraulic cylinder is provided on the spring rods, and the top of the spring rods is rotatably connected to the bottom of the cage ladder body.

[0013] By adopting the above technical solution, the spring rods are arranged so that they can be lifted and lowered by telescoping the cross-arranged spring rods; the hydraulic cylinders are arranged so that the spring rods can be driven to move.

[0014] Preferably, hinges are provided on the bottom of the first step, the second step and the cage ladder body, and support rods are hingedly connected to the hinges, and the support rods are used to support the first step and the second step.

[0015] By adopting the above technical solution, the hinge is set up to facilitate the simultaneous hinged connection of the support rod with the first step, the bottom of the second step and the cage ladder body; the support rod is set up to facilitate supporting the first step and the second step, thereby improving the stability of the first step and the second step.

[0016] Preferably, a guardrail is provided on one side of the first step and the second step, and a handrail is provided on the guardrail.

[0017] By adopting the above technical solution, the guardrail is provided to facilitate the protection of the first step and the second step; the handrail is provided to facilitate workers walking on the first step and the second step to prevent workers from falling.

[0018] Preferably, a lifting ring is provided on the top of the cage ladder body, and the lifting ring is used to lift the cage ladder body out of the deep foundation pit.

[0019] By adopting the above technical solution, after the hoisting is set, it is convenient to lift the cage ladder body.

[0020] Preferably, anti-slip pads are provided on the top of the first step and the second step, and the anti-slip pads are fixed to the surfaces of the first step and the second step.

[0021] By adopting the above technical solution, the anti-slip mat is provided to prevent workers from slipping on the first step and the second step.

[0022] In summary, this application has the following beneficial effects:

[0023] 1. This device uses a fixed rod, a first step, a second step, a fixed frame, and a support plate to form a cage ladder body that is detachably connected. This facilitates quick assembly and disassembly of the cage ladder, improving construction efficiency in deep foundation pits.

[0024] 2. By installing a lifting assembly at the bottom of the cage ladder body, this device can make the cage ladder body suitable for deep foundation pits of various depths, avoiding frequent disassembly of the cage ladder body and improving the applicability of the device;

[0025] 3. This device improves the stability of the cage ladder and ensures the safety of cage ladder use by arranging support rods at the bottom of the first step and the second step, and arranging guardrails on the first step and the second step. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of an embodiment;

[0027] Figure 2 A schematic diagram showing the structure of the lifting assembly in the embodiment;

[0028] Figure 3 A cross-sectional view showing a support plate in a longitudinal direction of an embodiment;

[0029] Figure 4 A schematic structural diagram showing the first step in the embodiment;

[0030] Explanation of the accompanying drawings: 1. Fixing rod; 2. Cage ladder body; 3. First step; 4. Second step; 5. Fixing assembly; 51. Fixing frame; 52. First threaded hole; 53. First bolt; 54. Second threaded hole; 55. Third threaded hole; 56. Second bolt; 6. Support plate; 7. Support seat; 8. Lifting assembly; 81. Spring rod; 82. Hydraulic cylinder; 9. Hinge; 10. Support rod; 11. Guardrail; 12. Handrail; 13. Lifting ring; 14. Anti-slip pad. DETAILED DESCRIPTION

[0031] The present invention will be described in further detail below with reference to the accompanying drawings. Like components are denoted by like reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," "lower," "bottom," and "top" used in the following description refer to directions in the accompanying drawings, and the terms "inner" and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0032] The utility model discloses a cage ladder for deep foundation pit construction. Figures 1 to 4 As shown, it includes a fixing rod 1, which is a square metal rod. Multiple fixing rods 1 are connected to each other to form a cage ladder body 2. The multiple fixing rods 1 are detachably connected. A first step 3 and a second step 4 are provided in the cage ladder body 2. The first step 3 and the second step 4 are fixed in the cage ladder body 2 by a fixing assembly 5. The fixing assembly 5 includes a fixing frame 51 arranged at the top, middle and bottom of the cage ladder body 2. A plurality of first threaded holes 52 are provided on one side of the fixing frame 51 close to the cage ladder body 2. A first bolt 53 is threadedly connected to the first threaded hole 52. The fixing frame 51 is fixed to the cage ladder body 2 by the first bolt 53. A second threaded hole 54 is provided on one side of the fixing frame 51 close to the first step 3 and the second step 4. A third threaded hole 55 is provided on the first step 3 and the second step 4. A second bolt 56 is threadedly connected to the second threaded hole 54. Through precise threaded hole correspondence and bolt connection, the steps are tightly fixed to the cage ladder body 2. A support plate 6 is provided between the first step 3 and the second step 4. The support plate 6 is disposed within a fixed frame 51 and is detachably connected to the fixed frame 51. This design increases the stability between the steps and facilitates installation and removal.

[0033] Anti-slip mats 14 are installed on the tops of the first and second steps 3, 4. These mats significantly improve the safety of construction workers using the cage ladder, particularly in harsh environments such as wet or rainy days. Guardrails 11 are installed on one side of the first and second steps 3, 4, and handrails 12 are installed on the guardrails 11. These features provide additional protection for construction workers and prevent accidents such as accidental falls. Hinges 9 are installed on the bottoms of the first and second steps 3, 4, and on the main body 2 of the cage ladder. Support rods 10 are hingedly connected to the hinges 9, supporting the first and second steps 3, 4.

[0034] A lifting ring 13 is provided at the top of the cage ladder body 2, and is used to lift the cage ladder body 2 out of the deep foundation pit. A support seat 7 is provided at the bottom of the cage ladder body 2, and a lifting assembly 8 for lifting the cage ladder body 2 is provided between the cage ladder body 2 and the support seat 7. The lifting assembly 8 includes cross-arranged spring rods 81 arranged at the top of the support seat 7, and a hydraulic cylinder 82 is provided on the spring rods 81. The top of the spring rods 81 is rotatably connected to the bottom of the cage ladder body 2, improving the portability and adaptability of the cage ladder. A lifting ring 13 is added to the top of the cage ladder body 2 to facilitate lifting the cage ladder body 2 out of the deep foundation pit. At the same time, a support seat 7 is provided at the bottom of the cage ladder body 2, and a lifting assembly 8 for lifting the cage ladder body 2 is provided. The arrangement of the lifting ring 13 and the lifting assembly 8 enables the cage ladder to easily adapt to the construction requirements of foundation pits of different depths, while also facilitating the transportation and storage of the cage ladder.

[0035] Working principle: The utility model designs a cage ladder for deep foundation pit construction, which is mainly detachably connected to each other through a fixing rod 1, a first step 3, a second step 4, a fixing frame 51, and a support plate 6, so as to facilitate the assembly and disassembly of the cage ladder body 2, and then the first step 3 and the second step 4 are supported by the support rod 10 to improve the stability of the device. Finally, the lifting and lowering of the cage ladder body 2 is completed by the lifting assembly 8, so that the device is suitable for deep foundation pits of different depths, thereby improving the applicability of the device.

[0036] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A cage ladder for deep foundation pit construction, characterized by: The invention comprises a fixing rod (1), a plurality of the fixing rods (1) are connected to each other to form a cage ladder body (2), the plurality of fixing rods (1) are detachably connected to each other, a first step (3) and a second step (4) are arranged in the cage ladder body (2), the first step (3) and the second step (4) are fixed in the cage ladder body (2) through a fixing assembly (5), a support plate (6) is arranged between the first step (3) and the second step (4), a support seat (7) is arranged at the bottom of the cage ladder body (2), and a lifting assembly (8) for lifting the cage ladder body (2) is arranged between the cage ladder body (2) and the support seat (7).

2. A cage ladder for deep foundation pit construction according to claim 1, characterized in that: The fixing assembly (5) comprises a fixing frame (51) arranged at the top, middle and bottom of the cage ladder body (2); a plurality of first threaded holes (52) are provided on a side of the fixing frame (51) close to the cage ladder body (2); a first bolt (53) is threadedly connected to the first threaded hole (52); the fixing frame (51) is fixed to the cage ladder body (2) by the first bolt (53); a second threaded hole (54) is provided on a side of the fixing frame (51) close to the first step (3) and the second step (4); a third threaded hole (55) is provided on the first step (3) and the second step (4); and a second bolt (56) is threadedly connected to the second threaded hole (54).

3. The cage ladder for deep foundation pit construction according to claim 1, characterized in that: The support plate (6) is arranged in the fixing frame (51), and the support plate (6) is detachably connected to the fixing frame (51).

4. The cage ladder for deep foundation pit construction according to claim 1, characterized in that: The lifting assembly (8) comprises cross-arranged spring rods (81) arranged on the top of the support seat (7), a hydraulic cylinder (82) is arranged on the spring rods (81), and the top of the spring rods (81) is rotatably connected to the bottom of the cage ladder body (2).

5. The cage ladder for deep foundation pit construction according to claim 1, characterized in that: Hinges (9) are provided at the bottom of the first step (3), the second step (4) and the cage ladder body (2); a support rod (10) is hingedly connected to the hinge (9); and the support rod (10) is used to support the first step (3) and the second step (4).

6. The cage ladder for deep foundation pit construction according to claim 1, characterized in that: A guardrail (11) is provided on one side of the first step (3) and the second step (4), and a handrail (12) is provided on the guardrail (11).

7. The cage ladder for deep foundation pit construction according to claim 1, characterized in that: A hoisting ring (13) is provided on the top of the cage ladder body (2), and the hoisting ring (13) is used to hoist the cage ladder body (2) out of the deep foundation pit.

8. The cage ladder for deep foundation pit construction according to claim 1, characterized in that: Anti-slip pads (14) are provided on the top of the first step (3) and the second step (4), and the anti-slip pads (14) are fixed to the surfaces of the first step (3) and the second step (4).