CN218845306U

CN218845306U - Pipeline protection structure for excavation of foundation pit below pressure pipeline

Info

Publication number: CN218845306U
Application number: CN202223066235.XU
Authority: CN
Inventors: 潘文强; 张楠; 邹善勇; 张乃中; 金宏宇; 薛淳丹; 嵇荣胜; 严文明; 佘植镔; 林文彪
Original assignee: China Construction Eighth Engineering Division Technology Construction Co Ltd
Current assignee: China Construction Eighth Engineering Division Technology Construction Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-11
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a have pipeline protection structure of pipeline below foundation ditch excavation, including being used for installing in the pipeline below and with a supporting beam that this pipeline axis direction is unanimous, being used for supporting this pipeline and being a plurality of brackets of U type, on this bracket was fixed in this supporting beam, a plurality of these brackets laid along this supporting beam's axis direction interval, this bracket inside laid the cushion. The utility model discloses a supporting beam and bracket's combination has solved among the prior art near the top layer and has had the technical problem that the protection architecture who has the pressure pipeline is difficult to set up under the condition that pressure pipeline upper portion did not possess and set up force transfer structure on the face. The structure of the utility model can meet the requirement that the construction machinery does not affect the pipeline in the excavation process of the foundation pit; the buried pressure pipeline is changed into an open pressure pipeline, and the vibration load in the use process is temporarily fixed through a force transmission system of the supporting beam and the bracket, so that the influence of foundation pit excavation on the pressure pipeline is avoided.

Description

Pipeline protection structure for excavation of foundation pit below pressure pipeline

Technical Field

The utility model relates to a construction field especially relates to a pipeline protection structure who has pressure pipeline below foundation ditch excavation.

Background

In the construction of urban internal channels, a small amount of pipelines exist outdoors, temporary diversion can be performed by adopting a temporary bypass method for non-pressure pipelines (strong electricity, weak electricity and the like), but temporary diversion conditions are not provided for pressure pipelines close to the surface ground. Because the upper parts of the pipelines close to the surface layer ground cannot be provided with a force transmission structure, and the underground excavation of the foundation pit brings huge cost increase, the pipelines with pressure need to be protected on the premise of open excavation of the foundation pit, so that the pipelines can be normally used in the excavation process of the foundation pit, and the suspended pipeline protection structure in the prior art cannot simultaneously meet the requirement that construction machinery does not influence the pipelines in the excavation process of the foundation pit; the pressure pipeline is changed from a buried type to an open type, and a force transmission system is needed for temporary fixation of vibration load in the using process.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the above-mentioned prior art, the utility model provides a have the pipeline protection structure of pressure pipeline below foundation ditch excavation has solved and has been close to among the prior art and have had the pressure pipeline upper portion of top layer face and do not possess under the condition that sets up access structure, and the protection structure who has the pressure pipeline is difficult to the technical problem who sets up.

The utility model discloses a there is pipeline protection structure of pipeline below foundation ditch excavation, including being used for installing in the pipeline below and with a supporting beam that this pipeline axis direction is unanimous, be used for supporting this pipeline and be a plurality of support brackets of U type, on this support bracket was fixed in this supporting beam, a plurality of these support brackets were laid along this supporting beam's axis direction interval, and this support bracket is inside to have laid the cushion.

The utility model discloses the pipeline protection structure who has the excavation of pipeline below foundation ditch further improves and lies in, and this cushion layer is the plank, and this plank has all been laid to the inner wall of this bracket.

The utility model discloses the pipeline protection structure who has the excavation of pipeline below foundation ditch further improves and lies in, is equipped with the flitch between this plank and this support bracket.

The utility model discloses the pipeline protection structure who has the excavation of pipeline below foundation ditch further improves and lies in, and the interval between adjacent this bracket support is less than a meter.

The utility model discloses the pipeline protection structure who has the excavation of pipeline below foundation ditch further improves and lies in, and this bracket is made by the I-steel.

Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses a supporting beam and bracket's combination has solved and has been close to the top layer among the prior art and has pressed pipeline upper portion and do not possess the condition that sets up load-transfer structure under, the protection architecture who presses the pipeline is difficult to the technical problem who sets up. The structure of the utility model can meet the requirement that the construction machinery does not affect the pipeline in the excavation process of the foundation pit; the buried pressure pipeline is changed into the open pressure pipeline, and the vibration load in the using process is temporarily fixed through a force transmission system of the supporting beam and the bracket, so that the influence of foundation pit excavation on the pressure pipeline is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of the excavation of the pipeline at the top and two sides of the pipeline.

Fig. 2 is the utility model discloses a supporting beam position schematic diagram of pipeline protection architecture of excavation of pipeline below foundation ditch has pressed.

Fig. 3 is the utility model discloses a pipeline protection structure's that has pipeline below foundation ditch excavation schematic structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 2 and 3, the utility model provides a pipeline 1 protection architecture of excavation of pipeline under pressure below foundation ditch, including being used for installing in pipeline 1 below and with the unanimous supporting beam 3 of 1 axis direction of this pipeline, be used for supporting this pipeline 1 and be a plurality of support brackets 4 of U type, this support bracket 4 is fixed in on this supporting beam 3, and a plurality of these support brackets 4 are laid along the axis direction interval of this supporting beam 3, and the cushion has been laid to this support bracket 4 inside. In this embodiment, as shown in fig. 1, excavation foundation pit 2 is located above the pipeline, the pipeline is exposed, manual slope excavation is adopted within a range of 50cm from both sides, and slope 1 is adopted. According to the designed position of the support beam 3, the original design of the support beam 3 can be utilized, if no support beam 3 is arranged below the designed pipeline, a 200x400 reinforced concrete beam is added to be used as a fixed support of the pipeline. The U-shaped bracket 4 can prevent the pipeline 1 from rolling towards two sides, thereby influencing the strength of the pipeline 1 at the 2 sections of the foundation pit. The utility model discloses a supporting beam 3's width is preferred to be greater than the diameter of pipeline 1, can avoid when the excavation of 1 below of pipeline, collides and has pressed pipeline 1 and cause the destruction.

Preferably, as shown in fig. 3, the cushion layer is a wood plate, and the wood plate is laid on the inner wall of the bracket 4. On-site wooden templates can be selectively laid on the bottom surface and the two side walls of the bracket 4 according to on-site conditions, so that a buffer protection is provided for the pipeline, and the pipeline is prevented from being abraded.

Preferably, battens are arranged between the wood board and the support bracket 4, so that buffer protection is further increased, the wood board is more convenient to fix with the battens, and the battens can be fixed by directly adopting fixing pieces such as bolts.

Preferably, the distance between adjacent brackets 4 is less than one meter, so that the section of the pipeline 1 of the foundation pit 2 is effectively supported, and the damage and the fracture are reduced.

Preferably, the holder 4 is made of i-steel. In this embodiment, the bracket 4 is made of HW200 (wide flange, web height 200mm, flange width 200 mm) i-steel, which has high strength and can provide strong supporting force.

The utility model discloses a supporting beam and bracket's combination has solved and has been close to the top layer among the prior art and has pressed pipeline upper portion and do not possess the condition that sets up load-transfer structure under, the protection architecture who presses the pipeline is difficult to the technical problem who sets up. The structure of the utility model can meet the requirement that the construction machinery does not affect the pipeline in the excavation process of the foundation pit; the buried pressure pipeline is changed into the open pressure pipeline, and the vibration load in the using process is temporarily fixed through a force transmission system of the supporting beam and the bracket, so that the influence of foundation pit excavation on the pressure pipeline is avoided.

The utility model discloses in not relate to the part all the same with prior art or can adopt prior art to realize. The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above embodiments, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. The utility model provides a pipeline protection structure that excavation of foundation ditch under pressure pipeline, its characterized in that, including be used for installing in the pipeline below and with a supporting beam that pipeline axis direction is unanimous, be used for supporting the pipeline and be a plurality of brackets of U type, the bracket is fixed in on the supporting beam, a plurality of the bracket is followed the axis direction interval of supporting beam is laid, the bracket inside has laid the cushion layer.

2. The structure of claim 1, wherein the cushion layer is a wood plate, and the wood plate is laid on the inner wall of the bracket.

3. The structure of claim 2, wherein a batten is disposed between the wood plate and the bracket.

4. The pipe protection structure for excavation of a foundation pit below a pressure pipe according to claim 1, wherein a distance between adjacent brackets is less than one meter.

5. The structure of claim 1, wherein the bracket is made of an i-beam.