Safety channel for connecting foundation pit trestle plate and tower crane bearing platform

Abstract

A safety channel for connecting a foundation pit trestle plate and a tower crane bearing platform comprises a passing frame, the two ends of the passing frame are erected on the foundation pit trestle plate and the tower crane bearing platform respectively, a plurality of bearing plates are arranged on the passing frame, two blocking and protecting assemblies are arranged on one side face of the passing frame, and two limiting structures are arranged on the other side face of the passing frame. The two limiting structures are located at the two ends of the passing frame correspondingly, abut against the foundation pit trestle plate and the tower crane bearing platform correspondingly and are used for limiting displacement of the passing frame. Compared with the prior art, walking personnel are supported through the blocking and protecting assembly, so that the walking personnel can still keep balance and avoid slipping when passing through the safety channel in severe weather, the multiple bearing plates are fixedly arranged on the passing frame, the anti-bending and anti-twisting strength of the overall structure of the passing frame is improved, and the stability is improved; the limiting structure abuts against the foundation pit trestle plate and the tower crane bearing platform, displacement of the safety channel is limited, and the safety channel is prevented from sliding due to external force.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a safety passage connecting a foundation pit trestle board and a tower crane platform. Background Art

[0002] A foundation pit refers to the space below the ground excavated for the construction of a building, including the foundation and basement of a structure; a tower crane, also known as a tower hoist, has a large working space and is mainly used for the vertical and horizontal transportation of materials and the installation of building components in building construction.

[0003] In the modern building construction industry, the basement foundation pit will deepen continuously with the construction progress. When a tower crane operator needs to cross the foundation pit to reach the tower crane platform, the tower crane operator generally climbs from the bottom of the foundation pit to the tower crane platform through a ladder, and the climbing process is quite labor-consuming; when the weather environment is relatively bad, due to the lack of sufficient protection measures during the climbing process, the tower crane operator is prone to fall from the ladder, posing a certain safety risk. Therefore, a safety passage connecting the foundation pit trestle board and the tower crane platform is needed to facilitate the tower crane operator to cross the foundation pit to reach the tower crane platform and reduce the safety risk during the crossing process. Summary of the Utility Model

[0004] Aiming at the above deficiencies, the technical problem to be solved by the utility model is to provide a safety passage connecting a foundation pit trestle board and a tower crane platform, which facilitates the tower crane operator to cross the foundation pit to reach the tower crane platform and reduces the safety risk during the crossing process.

[0005] To solve the above technical problems, the technical solution adopted by the utility model is: a safety passage connecting a foundation pit trestle board and a tower crane platform, including a passage framework, the two ends of the passage framework are respectively laid on the foundation pit trestle board and the tower crane platform; a plurality of load-bearing plates are arranged on the passage framework, and two side edges of the passage framework are symmetrically provided with guard components along the length direction thereof, and two limiting structures are arranged at the bottom of the passage framework; wherein, the outer side of one limiting structure is abutted against the inner side of the foundation pit trestle board, and the outer side of the other limiting structure is abutted against the inner side of the tower crane platform.

[0006] As a preferred scheme of the utility model, the limiting structure is arranged along the width direction of the passage framework.

[0007] As a preferred scheme of the utility model, a plurality of load-bearing plates are evenly arranged along the length direction of the passage framework, and adjacent load-bearing plates are tightly connected.

[0008] As a preferred scheme of the utility model, the guard component is equal in length to the passage framework and is arranged perpendicular to the passage framework.

[0009] As a preferred embodiment of the present utility model, the passage frame includes two load-bearing main beams arranged in parallel, and a plurality of load-bearing secondary beams are arranged between the two load-bearing main beams; the plurality of load-bearing secondary beams are perpendicular to the load-bearing main beams and fixedly connect the two load-bearing main beams.

[0010] As a preferred embodiment of the present utility model, the plurality of load-bearing secondary beams are evenly arranged along the length direction of the load-bearing main beams.

[0011] As a preferred embodiment of the present utility model, the shielding component includes a plurality of shielding frames and a plurality of shielding plates, and the shielding plates are fixedly arranged on the shielding frames.

[0012] As a preferred embodiment of the present utility model, the plurality of shielding frames are evenly arranged along the length direction of the shielding component, and adjacent shielding frames are tightly connected.

[0013] As a preferred embodiment of the present utility model, at least two shielding frames are arranged in the height direction of the shielding component.

[0014] As a preferred embodiment of the present utility model, the shielding frame includes four square tubes, and the four square tubes are sequentially connected end to end to form a rectangular structure.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: the shielding component provides support for pedestrians, enabling pedestrians to maintain balance when passing through the safety passage in bad weather, and preventing pedestrians from slipping and falling from the safety passage; a plurality of load-bearing plates are fixedly arranged on the passage frame, improving the flexural and torsional strength of the overall structure of the passage frame and increasing stability; the limiting structure abuts against the foundation pit trestle board and the tower crane bearing platform, restricting the displacement of the safety passage along its length direction, and preventing the safety passage from sliding between the foundation pit trestle board and the tower crane bearing platform when pedestrians walk on the safety passage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front view of a safety passage connecting the foundation pit trestle board and the tower crane bearing platform provided by an embodiment of the present application;

[0017] Figure 2 is the top view of a safety passage connecting the foundation pit trestle board and the tower crane bearing platform provided by an embodiment of the present application;

[0018] Figure 3 is the structural schematic diagram of the shielding frame provided by an embodiment of the present application;

[0019] Figure 4 is the structural schematic diagram of a safety passage connecting the foundation pit trestle board and the tower crane bearing platform provided by an embodiment of the present application;

[0020] Reference numerals: passage frame 1, load-bearing main beam 1-1, load-bearing secondary beam 1-2, limit structure 1-3, load-bearing plate 2, shielding assembly 3, shielding frame 3-1, square pipe 3-11, shielding plate 3-2, foundation pit trestle board a, tower crane foundation b, safety passage c. Detailed implementation manners

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

[0022] The following description provides examples and does not limit the scope, applicability, or examples set forth in the claims. Changes may be made to the functions and arrangements of the elements described without departing from the scope of the content of the present application. Various processes or components may be appropriately omitted, substituted, or added to each example. For example, the methods described may be performed in a different order than described, and various steps may be added, omitted, or combined. In addition, the features described in some examples may be combined into other examples.

[0023] Please refer to Figure 1 、 Figure 2 and Figure 4 , a safety passage connecting a foundation pit trestle board and a tower crane foundation, including a passage frame 1, with both ends of the passage frame 1 respectively erected on the foundation pit trestle board a and the tower crane foundation b; a plurality of load-bearing plates 2 are arranged on the passage frame 1, shielding assemblies 3 are symmetrically arranged on both sides of the passage frame 1 along its length direction, and two limit structures 1-3 are arranged at the bottom of the passage frame 1; wherein, the outer side of one limit structure 1-3 abuts against the inner side of the foundation pit trestle board a, and the outer side of the other limit structure 1-3 abuts against the inner side of the tower crane foundation b.

[0024] Specifically, a plurality of load-bearing plates 2 are erected on the passage frame 1 and fixedly connected to the passage frame 1 to improve the bending and torsional strength of the passage frame 1; when people walk on the safety passage c in bad weather, the shielding assembly 3 provides support for the walking people, and the walking people can maintain balance by relying on the shielding assembly 3; at the same time, the shielding assembly 3 can also provide enclosure protection for the walking people to prevent the walking people from falling from the safety passage c due to slipping.

[0025] Further, the limiting structure 1-3 is selected as a No. 16 I-beam. The side of the limiting structure 1-3 adjacent to the foundation pit trestle board a abuts against the side of the foundation pit trestle board a, and the side of the limiting structure 1-3 adjacent to the tower crane platform b abuts against the side of the tower crane platform b. By providing the limiting structures 1-3 at both ends of the passage frame 1, the displacement of the safety passage c in its length direction is restricted, avoiding the sliding between the safety passage c and the foundation pit trestle board a and the tower crane platform b when pedestrians walk on the safety passage c, and improving the safety performance during use. At the same time, a detachable positioning method is formed between the safety passage c and the foundation pit trestle board a and the tower crane platform b through the limiting structure 1-3, facilitating the handling of the safety passage c after use and avoiding affecting the construction at the foundation pit.

[0026] Please refer to Figure 1 , Figure 1 which shows the front view of a safety passage connecting the foundation pit trestle board and the tower crane platform provided by the embodiment of the present application. As Figure 1 shown, the limiting structure 1-3 is arranged along the width direction of the passage frame 1.

[0027] Specifically, to increase the frictional resistance between the limiting structure 1-3 and the foundation pit trestle board a and the tower crane platform b, the limiting structure 1-3 is arranged on the side of the passage frame 1 in contact with the foundation pit trestle board a and the tower crane platform b along the width direction of the passage frame 1, increasing the contact area between the limiting structure 1-3 and the foundation pit trestle board a and the tower crane platform b, so as to increase the stability of the safety passage c between the foundation pit trestle board a and the tower crane platform b.

[0028] Please refer to Figure 2 , Figure 2 which shows the top view of a safety passage connecting the foundation pit trestle board and the tower crane platform provided by the embodiment of the present application. As Figure 2 shown, the passage frame 1 includes two parallel load-bearing main beams 1-1, and a plurality of load-bearing secondary beams 1-2 are arranged between the two load-bearing main beams 1-1; the plurality of load-bearing secondary beams 1-2 are arranged perpendicular to the load-bearing main beams 1-1 and fixedly connect the two load-bearing main beams 1-1.

[0029] Specifically, the load-bearing main beam 1-1 is selected as a No. 16 I-beam, the load-bearing secondary beam 1-2 is selected as a No. 14 I-beam, and both ends of the load-bearing secondary beam 1-2 are welded to the two load-bearing main beams 1-1 respectively to fix the two load-bearing main beams 1-1 and ensure the strength and stability of the overall structure of the passage frame 1.

[0030] Please refer to Figure 2 , Figure 2 which shows the top view of a safety passage connecting the foundation pit trestle board and the tower crane platform provided by the embodiment of the present application. As Figure 2 shown, the plurality of load-bearing secondary beams 1-2 are evenly arranged along the length direction of the load-bearing main beam 1-1 and perpendicular to the load-bearing main beam 1-1.

[0031] Specifically, the distance between adjacent load-bearing secondary beams 1-2 is equal to the width of the load-bearing plate 2, and the load-bearing plate 2 is arranged between two adjacent load-bearing secondary beams 1-2.

[0032] Please refer to Figure 2 , Figure 2 , which shows a top view of a safety passage connecting the foundation pit trestle board and the tower crane platform provided by an embodiment of the present application. As Figure 2 shown, a plurality of load-bearing plates 2 are evenly arranged along the length direction of the passage frame 1, and adjacent load-bearing plates 2 are tightly connected.

[0033] Specifically, the load-bearing plate 2 is made of patterned steel plate, and the load-bearing plate 2 is respectively welded to the load-bearing main beam 1-1 and the load-bearing secondary beam 1-2; a plurality of load-bearing plates 2 are spliced to form a flat surface, and adjacent load-bearing plates 2 are tightly connected to eliminate the connection gap, facilitating pedestrians to pass through the safety passage c and preventing pedestrians from tripping when passing through the safety passage c.

[0034] Please refer to Figure 1 , Figure 1 , which shows a front view of a safety passage connecting the foundation pit trestle board and the tower crane platform provided by an embodiment of the present application. As Figure 1 shown, the shielding component 3 includes a plurality of shielding frames 3-1 and a plurality of shielding plates 3-2, and the shielding plates 3-2 are fixedly arranged on the shielding frames 3-1; a plurality of shielding frames 3-1 are evenly arranged along the length direction of the shielding component 3, and adjacent shielding frames 3-1 are tightly connected; at least two shielding frames 3-1 are arranged in the height direction of the shielding component 3.

[0035] Furthermore, the shielding component 3 is equal in length to the passage frame 1 and is arranged perpendicular to the passage frame 1.

[0036] Please refer to Figure 3 , Figure 3 , which shows a structural schematic diagram of the shielding frame provided by an embodiment of the present application. As Figure 3 shown, the shielding frame 3-1 includes four square tubes 3-11, and the four square tubes 3-11 are sequentially connected end to end to form a rectangular structure.

[0037] Specifically, the four square tubes 3-11 are sequentially welded end to end, and the length and width dimensions of the rectangular structure formed by the four square tubes 3-11 are the same as the length and width dimensions of the shielding plate 3-2.

[0038] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but rather will be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0039] Although the terms such as access frame 1, load-bearing main beam 1-1, load-bearing secondary beam 1-2, limit structure 1-3, load-bearing plate 2, shielding assembly 3, shielding frame 3-1, square pipe 3-11, shielding plate 3-2, foundation pit trestle board a, tower crane bearing platform b, safety passage c, etc. are used more frequently herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the essence of the present utility model; interpreting them as any additional limitation is contrary to the spirit of the present utility model.

Claims

1. A safe passage connecting a foundation pit trestle plate and a tower crane cap, characterized in that: The invention comprises a passage frame (1), wherein two ends of the passage frame (1) are respectively erected on a foundation pit trestle plate (a) and a tower crane pedestal (b); a plurality of load-bearing plates (2) are arranged on the passage frame (1); guarding components (3) are symmetrically arranged on both sides of the passage frame (1) along its length direction; and two limiting structures (1-3) are arranged at the bottom of the passage frame (1); wherein the outer side of one limiting structure (1-3) abuts against the inner side of the foundation pit trestle plate (a), and the outer side of the other limiting structure (1-3) abuts against the inner side of the tower crane pedestal (b).

2. A safe passage connecting the foundation pit trestle plate and the tower crane cap according to claim 1, characterized in that: The limiting structure (1-3) is arranged along the width direction of the passage frame (1).

3. A safe passage connecting the foundation pit trestle plate and the tower crane cap according to claim 1, characterized in that: The plurality of load-bearing plates (2) are evenly arranged along the length direction of the passage frame (1), and adjacent load-bearing plates (2) are tightly connected.

4. A safe passage connecting the foundation pit trestle plate and the tower crane cap according to claim 1, characterized in that: The guard assembly (3) is equal in length to the passage frame (1) and is arranged perpendicular to the passage frame (1).

5. A safe passage connecting the foundation pit trestle plate and the tower crane cap according to claim 1, characterized in that: The passage frame (1) comprises two load-bearing main beams (1-1) arranged in parallel, and a plurality of load-bearing secondary beams (1-2) are arranged between the two load-bearing main beams (1-1); the plurality of load-bearing secondary beams (1-2) are arranged perpendicular to the load-bearing main beams (1-1) and are fixedly connected to the two load-bearing main beams (1-1).

6. A safe passage connecting the foundation pit trestle plate and the tower crane cap according to claim 5, characterized in that: The multiple load-bearing secondary beams (1-2) are evenly arranged along the length direction of the load-bearing main beam (1-1).

7. A safe passage connecting the foundation pit trestle plate and the tower crane cap according to claim 1, characterized in that: The shielding assembly (3) comprises a plurality of shielding frames (3-1) and a plurality of shielding plates (3-2), wherein the shielding plates (3-2) are fixedly arranged on the shielding frames (3-1).

8. A safe passage connecting the foundation pit trestle plate and the tower crane cap according to claim 7, characterized in that: The plurality of guard frames (3-1) are evenly arranged along the length direction of the guard assembly (3), and adjacent guard frames (3-1) are tightly connected.

9. A safe passage connecting the foundation pit trestle plate and the tower crane cap according to claim 7, characterized in that: At least two guard frames (3-1) are arranged in the height direction of the guard assembly (3).

10. A safe passage connecting the foundation pit trestle plate and the tower crane cap according to claim 7, characterized in that: The protection frame (3-1) comprises four square tubes (3-11), and the four square tubes (3-11) are connected end to end in sequence to form a rectangular structure.

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