Foundation pit crawling ladder structure

Abstract

The utility model discloses a foundation pit crawling ladder structure which comprises a bottom sleeve rod, a vertical rod is installed on the inner side of the bottom sleeve rod in a sliding mode, a cover plate is installed at the top end of a horizontal support, a fence is installed at the top end of the cover plate, an enclosure cage is fixedly installed at the front end of the cover plate, and a rear crawling ladder is installed on the rear side of a front crawling ladder in a sliding mode. A cargo lifting mechanism is installed on the inner side of the portal frame, the vertical rod and the bottom sleeve rod slide mutually and then are fixed through a fastening bolt to adjust the height, meanwhile, the rear crawling ladder freely falls according to the depth of a foundation pit, the fence and the enclosure cage can protect personnel safety, after the shielding plate is opened to loosen the rope, the movable pulley assembly descends, cargoes are hung on the metal hook, and the cargo lifting mechanism is used for lifting the cargoes. The rope is pulled to drive goods to ascend, so that people do not need to carry heavy objects in the climbing process, and the foundation pit crawling ladder has high adaptability, stability and safety.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit ladders, and in particular to a foundation pit ladder structure. Background Art

[0002] In the process of building construction, foundation pit construction is an important link. In order to ensure the safety of construction workers and construction efficiency, foundation pit ladders are widely used in various construction sites as a common construction equipment.

[0003] However, there are some problems with the existing foundation pit ladder structure. The foundation pit ladder generally adopts an integrated design, which is more complicated when fixed to the foundation pit and cannot be quickly adjusted according to the depth of the foundation pit. In addition, when the existing ladder structure is in use, people need to tie the items they carry to their bodies or carry them by hand when climbing, which greatly increases the danger and difficulty of the climbing process.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a foundation pit ladder structure to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A foundation pit ladder structure comprises a bottom sleeve rod, a vertical pole is slidably installed on the inner side of the bottom sleeve rod, a horizontal bracket is provided on the top of the vertical pole, a cover plate is installed on the top of the horizontal bracket, a shield plate is rotatably installed on the inner side of the rear end of the cover plate, a fence is installed on the top of the cover plate, a gantry is installed on the rear side of the top of the cover plate, a protective cage is fixedly installed on the front end of the cover plate, a front ladder is fixedly connected to the inner side of the protective cage, a rear ladder is slidably installed on the rear side of the front ladder, and a cargo lifting mechanism is installed on the inner side of the gantry.

[0008] As a further solution of the utility model, a thread hole is provided on the inner side of the vertical rod, and a fastening bolt is installed on the inner side of the bottom sleeve rod.

[0009] As a further solution of the utility model, the plurality of thread holes are arranged at equal intervals, and the fastening bolts penetrate the bottom sleeve rod and the vertical rod.

[0010] As a further solution of the utility model, bolt holes are provided on the inner sides of the horizontal brackets at the left and right ends, and the cover plate and the fence are fixedly connected to the horizontal brackets by bolts.

[0011] As a further solution of the utility model, a sliding block is fixedly connected to the outer side of the rear ladder, a sliding sleeve is provided on the outer side of the sliding block, and the sliding sleeve is fixedly connected to the front ladder.

[0012] As a further solution of the utility model, the cargo lifting mechanism includes a rope, the top end of the rope is fixedly connected to the gantry, a movable pulley assembly is installed on the outside of the rope, the bottom end of the movable pulley assembly is fixedly connected to a metal hook, a fixed pulley assembly is installed on the outside of the rope, the fixed pulley assembly is fixedly connected to the gantry, and the right side of the rope passes through the gantry.

[0013] As a further solution of the utility model, a stabilizing bar is fixedly installed between the vertical pole and the horizontal bracket. The stabilizing bar is provided with two groups, front and rear, and the stabilizing bar is arranged in a triangular shape.

[0014] The beneficial effects of the utility model are:

[0015] The utility model is provided with a bottom sleeve rod, a vertical rod, a horizontal support, a front ladder, a rear ladder, a fence, a protective cage, a gantry, a cargo lifting mechanism, etc. The vertical rod and the bottom sleeve rod slide against each other and are fixed with fastening bolts to adjust the height. At the same time, the rear ladder falls freely according to the depth of the foundation pit. The fence and the protective cage can protect the safety of personnel. After the shield is opened and the rope is loosened, the movable pulley assembly descends, and the cargo is hung on the metal hook. The rope is pulled to drive the cargo to rise, so that people do not need to carry heavy objects during the climbing process. This set of foundation pit ladder has high adaptability, stability and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the installation structure of the whole foundation pit ladder structure and the foundation pit according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of a foundation pit ladder structure according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the installation structure of the bottom sleeve rod and the vertical rod of a foundation pit ladder structure according to an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the installation structure of the front ladder and the rear ladder of a foundation pit ladder structure according to an embodiment of the utility model;

[0021] Figure 5 It is a schematic diagram of the overall structure of a cargo lifting mechanism of a foundation pit ladder structure according to an embodiment of the utility model.

[0022] In the figure:

[0023] 1. Bottom sleeve rod; 2. Vertical rod; 3. Fastening bolts; 4. Thread holes; 5. Horizontal bracket; 6. Cover plate; 7. Shield; 8. Fence; 9. Gantry; 10. Enclosure cage; 11. Front ladder; 12. Rear ladder; 13. Sliding block; 14. Sliding sleeve; 15. Cargo lifting mechanism; 16. Rope; 17. Movable pulley assembly; 18. Metal hook; 19. Fixed pulley assembly; 20. Stabilizer bar. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the utility model, a foundation pit ladder structure is provided.

[0026] Please refer to the instruction manual Figure 1-5 According to an embodiment of the utility model, a foundation pit ladder structure comprises a bottom sleeve rod 1, a vertical pole 2 is slidably installed on the inner side of the bottom sleeve rod 1, a horizontal bracket 5 is provided at the top of the vertical pole 2, a cover plate 6 is installed on the top of the horizontal bracket 5, a shield plate 7 is rotatably installed on the inner side of the rear end of the cover plate 6, a fence 8 is installed on the top of the cover plate 6, a gantry 9 is installed on the rear side of the top of the cover plate 6, a protective cage 10 is fixedly installed on the front end of the cover plate 6, a front ladder 11 is fixedly connected to the inner side of the protective cage 10, a rear ladder 12 is slidably installed on the rear side of the front ladder 11, and a cargo lifting mechanism 15 is installed on the inner side of the gantry 9.

[0027] When the device is used, the bottom sleeve rod 1 and the vertical rod 2 are located inside the edge of the foundation pit. The height of the vertical rod 2 is adjusted according to the depth of the foundation pit, and then the vertical rod 2 and the bottom sleeve rod 1 are fixed with the fastening bolts 3. The cover plate 6 is placed on the upper surface of the horizontal bracket 5, and then the fence 8 is placed on the cover plate 6. After it is positioned and placed, bolts are passed through the fence 8 and the cover plate 6 and then fixed to the horizontal bracket 5. Then, the enclosure cage 10 is fixed to the cover plate 6 and the horizontal bracket 5 by bolts, and the rear ladder 12 automatically falls according to the depth of the foundation pit. The slider 13 on the front ladder 11 slides in the sliding sleeve 14 on the front ladder 11. When people climb, they can step on the front ladder 11 and the rear ladder 12 in turn to go up and down. After opening the baffle 7, the rope 16 is loosened, and the movable pulley assembly 17 falls vertically. The goods to be lifted are hung with a metal hook 18. After pulling the rope 16, the rope 16 drives the movable pulley assembly 17 to rise and pass through the fixed pulley assembly 19, driving the goods to rise. After covering the baffle 7, the goods are on the baffle 7, which is convenient for people to climb with heavy goods.

[0028] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, a thread hole 4 is provided on the inner side of the vertical pole 2, a fastening bolt 3 is installed on the inner side of the bottom sleeve rod 1, a plurality of the thread holes 4 are arranged at equal intervals, and the fastening bolt 3 passes through the bottom sleeve rod 1 and the vertical pole 2.

[0029] The vertical pole 2 and the bottom sleeve rod 1 slide relative to each other, and then the fastening bolts 3 penetrate through the bottom sleeve rod 1 and the vertical pole 2 and are fixed.

[0030] In another embodiment, please refer to the attached Figure 1-5 As a further solution of the utility model, bolt holes are provided on the inner sides of the horizontal brackets 5 at the left and right ends, and the cover plate 6 and the fence 8 are fixedly connected to the horizontal bracket 5 by bolts.

[0031] The fence 8 and the cover plate 6 can be fixed by bolts, and it is also convenient to disassemble and install.

[0032] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, a slider 13 is fixedly connected to the outer side of the rear ladder 12 , a sliding sleeve 14 is provided on the outer side of the sliding sleeve 13 , and the sliding sleeve 14 is fixedly connected to the front ladder 11 .

[0033] By moving the slider 13 in the sliding sleeve 14 , the rear ladder 12 can slide along the front ladder 11 , thereby adjusting the heights of the front ladder 11 and the rear ladder 12 to adapt to the depth of the foundation pit.

[0034] In another embodiment, please refer to the attached Figure 1-5As a further solution of the utility model, the cargo lifting mechanism 15 includes a rope 16, the top of the rope 16 is fixedly connected to the gantry 9, a movable pulley assembly 17 is installed on the outside of the rope 16, and a metal hook 18 is fixedly connected to the bottom end of the movable pulley assembly 17, a fixed pulley assembly 19 is installed on the outside of the rope 16, and the fixed pulley assembly 19 is fixedly connected to the gantry 9, and the right side of the rope 16 passes through the gantry 9.

[0035] By pulling the rope 16, the rope 16 drives the movable pulley assembly 17 to rise after passing through the fixed pulley assembly 19, and a metal hook 18 is installed at the bottom of the movable pulley assembly 17, so that the goods can be lifted under the rope force.

[0036] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, a stabilizing rod 20 is fixedly installed between the vertical rod 2 and the horizontal bracket 5. The stabilizing rod 20 is provided with two groups, front and rear, and the stabilizing rod 20 is arranged in a triangular shape.

[0037] The two sets of stabilizing bars 20 can improve the overall stability of the ladder.

[0038] When in use, the bottom sleeve rod 1 and the vertical rod 2 are located on the inner side of the edge of the foundation pit, the height of the vertical rod 2 is adjusted according to the depth of the foundation pit, and then the vertical rod 2 and the bottom sleeve rod 1 are fixed with the fastening bolts 3, the cover plate 6 is placed on the upper surface of the horizontal bracket 5, and then the fence 8 is placed on the cover plate 6, and after it is positioned and placed, the bolts penetrate the fence 8 and the cover plate 6 and are fixed to the horizontal bracket 5, and then the enclosure cage 10 is fixed to the cover plate 6 and the horizontal bracket 5 by bolts, and the rear ladder 12 automatically falls according to the depth of the foundation pit, and the slider 13 thereon slides in the sliding sleeve 14 on the front ladder 11, and when people When climbing, workers can step on the front ladder 11 and the rear ladder 12 in turn to go up and down. After opening the baffle 7, they can loosen the rope 16, and the movable pulley assembly 17 drops vertically. The goods to be lifted are hung with the metal hook 18. After pulling the rope 16, the rope 16 drives the movable pulley assembly 17 to rise and pass through the fixed pulley assembly 19, driving the goods to rise. After covering the baffle 7, the goods are on the baffle 7, which is convenient for workers to carry heavy goods to climb. This set of foundation pit ladder has high adaptability, stability and safety, and workers do not need to carry heavy objects when climbing, which reduces the burden of climbing.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A foundation pit ladder structure, comprising a bottom sleeve rod (1), characterized in that: A vertical pole (2) is slidably mounted on the inner side of the bottom sleeve rod (1), a horizontal bracket (5) is provided at the top end of the vertical pole (2), a cover plate (6) is mounted on the top end of the horizontal bracket (5), a shield plate (7) is rotatably mounted on the inner side of the rear end of the cover plate (6), a fence (8) is mounted on the top end of the cover plate (6), a gantry (9) is mounted on the rear side of the top end of the cover plate (6), a protective cage (10) is fixedly mounted on the front end of the cover plate (6), a front ladder (11) is fixedly connected to the inner side of the protective cage (10), a rear ladder (12) is slidably mounted on the rear side of the front ladder (11), and a cargo lifting mechanism (15) is mounted on the inner side of the gantry (9).

2. A foundation pit ladder structure according to claim 1, characterized in that: The inner side of the vertical rod (2) is provided with a thread hole (4), and the inner side of the bottom sleeve rod (1) is installed with a fastening bolt (3).

3. A foundation pit ladder structure according to claim 2, characterized in that: The plurality of thread holes (4) are arranged at equal intervals, and the fastening bolts (3) penetrate the bottom sleeve rod (1) and the vertical rod (2).

4. A foundation pit ladder structure according to claim 1, characterized in that: Bolt holes are provided on the inner sides of the horizontal brackets (5) at the left and right ends, and the cover plate (6) and the fence (8) are fixedly connected to the horizontal brackets (5) by bolts.

5. The foundation pit ladder structure according to claim 1, characterized in that: A sliding block (13) is fixedly connected to the outer side of the rear ladder (12), a sliding sleeve (14) is provided on the outer side of the sliding block (13), and the sliding sleeve (14) is fixedly connected to the front ladder (11).

6. A foundation pit ladder structure according to claim 1, characterized in that: The cargo lifting mechanism (15) comprises a rope (16), the top end of the rope (16) is fixedly connected to the gantry (9), a movable pulley assembly (17) is installed on the outer side of the rope (16), a metal hook (18) is fixedly connected to the bottom end of the movable pulley assembly (17), a fixed pulley assembly (19) is installed on the outer side of the rope (16), the fixed pulley assembly (19) is fixedly connected to the gantry (9), and the right side of the rope (16) passes through the gantry (9).

7. The foundation pit ladder structure according to claim 1, characterized in that: A stabilizing rod (20) is fixedly installed between the vertical rod (2) and the horizontal bracket (5), and the stabilizing rod (20) is provided with two front and rear groups, and the stabilizing rod (20) is arranged in a triangular shape.

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