CN219364631U

CN219364631U - Pre-pressure steel pipe internal support anti-falling device

Info

Publication number: CN219364631U
Application number: CN202223515276.2U
Authority: CN
Inventors: 魏浩; 刘海啸; 高栋; 陈永; 曹振山
Original assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Current assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-07-18
Anticipated expiration: 2032-12-28

Abstract

The utility model provides a pre-pressure steel pipe inner support anti-falling device, belonging to the technical field of foundation pit enclosure construction; the pre-pressure steel pipe inner support anti-falling device comprises a steel pipe inner support, a section steel waist beam, a movable end head and an anti-falling hook; the steel pipe inner support is connected with the movable end head through bolts, the anti-falling hook at the other end of the movable end head is welded, the anti-falling hook is welded with the profile steel waist rail, and the pre-pressurized steel pipe inner support anti-falling device is simple and convenient to install and detach, consumes less time, reduces the high operation time, is convenient to process and does not need to damage the supporting structure; the pre-pressure steel pipe inner support anti-falling device is suitable for foundation pit support engineering.

Description

Pre-pressure steel pipe internal support anti-falling device

Technical Field

The utility model belongs to the technical field of foundation pit enclosure construction, and particularly relates to a pre-pressurized steel pipe inner support anti-falling device.

Background

In the foundation pit enclosure construction, the pre-pressurized steel pipe inner support is a relatively commonly used component, and the main function is to provide enough support force for the stability of the support structure by utilizing the inner support system, and the horizontal support structure is beam-type stress when the support function of the horizontal support structure is exerted, so that the longitudinal stability of a horizontal support core is mainly ensured, the spatial rigidity of the wall surface of the support system is enhanced, the vertical load transmitted by horizontal compression is borne, and the horizontal acting force on the outer side of the support wall is balanced.

The existing internal support anti-falling method is various, the existing internal support anti-falling method is common in that the existing internal support anti-falling method is suspended on the support pile through the steel wire rope, but the main reinforcement is increased by removing part of the support pile through chiseling, the workload is large, the time consumption is long, and the risk of high-altitude operation is high, so that the anti-falling device which is simple and convenient to install and detach and does not damage the support structure is needed to be provided.

Disclosure of Invention

The utility model aims to: the utility model aims to overcome the defects in the prior art and provide a pre-pressure steel pipe inner support anti-falling device; the pre-pressure steel pipe inner support anti-falling device is simple and convenient to install and detach, less in time consumption, convenient to process and free from damaging a support structure, and reduces the operation time at high positions; the pre-pressure steel pipe inner support anti-falling device is suitable for foundation pit support engineering.

The technical scheme is as follows: the utility model relates to a pre-pressure steel pipe internal support anti-falling device, which comprises: the steel pipe inner support, the section steel waist beam, the movable end head and the anti-falling hook;

the steel pipe inner support is connected with the movable end head through bolts, the other end of the movable end head is welded with the anti-falling hook, and the anti-falling hook is welded with the profile steel waist beam.

Preferably, the end part of the movable end is welded with a sealing plate, and a matched facility for applying pressure is sleeved outside one end of the movable end, which is close to the inner support of the steel pipe.

Preferably, at least one anti-falling hook is welded on the end closure plate.

Preferably, the anti-falling hook is fully welded with two sides of the end enclosure plate, the welding length is 20cm, and the welding seam height is 8mm.

Preferably, the anti-falling hook is welded with the flange of the profile steel waist beam.

Preferably, the anti-falling hook is fully welded with two sides of the profile steel waist beam, and the height of a welding line is 8mm.

Preferably, at least one stiffening plate is arranged on the section steel waist beam.

Preferably, at least one inclined rib is welded on the movable end, and the inclined rib is welded with the end socket plate.

The beneficial effects are that:

(1) The pre-pressure steel pipe inner support anti-falling device can be matched with a foundation pit support waist beam and a foundation pit support steel purlin, and a local support structure is not required to be chiseled off or damaged.

(2) Most of the work of the internal support anti-falling device of the pre-pressurized steel pipe is completed on the ground, so that the construction time of a high place is shortened, and the safety risk can be reduced.

(3) The anti-falling device for the internal support of the pre-pressurized steel pipe can be welded in advance, so that the exposure time of the internal support-free support of the foundation pit is reduced, and the deformation and collapse risks of the foundation pit are effectively reduced.

(4) The pre-pressure steel pipe inner support anti-falling device is simple and convenient to install and detach, less in time consumption, convenient to process, free of damage to a support structure, and suitable for foundation pit support engineering, and reduces high-altitude operation time. According to the utility model, the anti-falling hook is welded on the movable end head plate, and after the pre-pressure is applied to the inner support of the steel pipe, the anti-falling hook is welded with the waist beam section steel, so that the anti-falling and anti-moving effects are achieved.

Drawings

FIG. 1 is a connecting elevation view of an inner support of a steel pipe and a profile steel waist beam;

FIG. 2 is a plan view of the connection of the steel pipe inner support and the profile steel waist beam;

FIG. 3 is a schematic view of a fall arrest hook configuration.

Reference numerals:

1-supporting in a steel pipe; 2-section steel waist beams; 3-activating the ends; 4-end closure plates; 5-a falling-preventing hook; 6, welding; 7-oblique ribs; 8-stiffening plates.

Detailed Description

The technical scheme of the utility model is described in detail below through the drawings, but the protection scope of the utility model is not limited to the embodiments.

Example 1:

as shown in fig. 1-3, the pre-pressure steel pipe internal support anti-falling device comprises a steel pipe internal support 1, a section steel waist beam 2, a movable end 3 and an anti-falling hook 5; the steel pipe inner support 1 is connected with the movable end 3 through bolts, the falling-preventing hook 5 at the other end of the movable end 3 is welded, and the falling-preventing hook 5 is welded with the profile steel waist beam 2.

As shown in fig. 1-3, in the pre-pressure steel pipe inner support anti-falling device, the end part of the movable end head 3 is welded with the end plate 4, at least one anti-falling hook 5 is welded on the end plate 4, the anti-falling hook 5 is fully welded with two sides of the end plate 4, the welding length is 20cm, and the welding seam height is 8mm. In the actual use process, three anti-falling hooks 5 can be welded on the end enclosure plate 4. At least one inclined rib 7 is welded on the movable end head 3, and the inclined rib 7 is welded with the end socket plate 4.

As shown in fig. 1 to 3, in the assembling process of the pre-pressurized steel pipe inner support anti-falling device, the anti-falling hook 5 is firstly hung on the profile steel waist beam 2, the pre-compression is applied to the steel pipe inner support 1, after the pre-compression applied by the steel pipe inner support 1 reaches a design value, the anti-falling hook 5 is welded with the flange of the profile steel waist beam 2, two sides are fully welded, and the height of a welding seam is 8mm. In addition, at least one stiffening plate 8 is further arranged on the section steel waist beam 2 to ensure the stability of the section steel waist beam 2.

As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a support anti-falling device in prestressing force steel pipe which characterized in that includes: the steel tube inner support (1), the section steel waist beam (2), the movable end head (3) and the anti-falling hook (5);

the steel pipe inner support (1) is connected with the movable end head (3) through bolts, the falling-preventing hook (5) at the other end of the movable end head (3) is welded, and the falling-preventing hook (5) is welded with the profile steel waist beam (2).

2. The pre-pressurized steel pipe inner support anti-falling device according to claim 1, wherein the end part of the movable end head (3) is welded with a sealing head plate (4), and a matched facility for applying pressure is sleeved outside one end of the movable end head (3) close to the steel pipe inner support (1).

3. The pre-pressurized steel pipe internal support anti-falling device according to claim 1, wherein the anti-falling hook (5) is welded on the end closure plate (4).

4. A pre-stressed steel pipe internal support fall protection device according to claim 3, characterized in that the number of fall protection hooks (5) is at least one.

5. A pre-pressurized steel pipe internal support anti-falling device according to claim 3, wherein the anti-falling hook (5) is fully welded with two sides of the end closure plate (4), the welding length is 20cm, and the welding seam height is 8mm.

6. The pre-pressurized steel pipe internal support anti-falling device according to claim 1, wherein the anti-falling hook (5) is welded with a flange of the profile steel waist beam (2).

7. The pre-pressurized steel pipe internal support anti-falling device according to claim 6, wherein the anti-falling hook (5) is fully welded with two sides of the profile steel waist beam (2), and the welding seam is 8mm in height.

8. The pre-pressurized steel pipe internal support anti-falling device according to claim 1, wherein at least one stiffening plate (8) is arranged on the profile steel waist beam (2).

9. The pre-pressurized steel pipe internal support anti-falling device according to claim 1, wherein at least one inclined rib (7) is welded on the movable end head (3), and the inclined rib (7) is welded with the end socket plate (4).