Underground pipeline protection structure

Abstract

The utility model relates to the field of underground pipeline protection, and provides an underground pipeline protection structure which comprises an inner sleeve and an outer sleeve, an underground pipeline is sleeved with the inner sleeve, and the inner sleeve is sleeved with the outer sleeve. The inner sleeve and the outer sleeve are simultaneously connected with a connecting flange; the connecting flange comprises a first flange body and a second flange body; the inner sleeve and the outer sleeve are rotationally connected with the connecting flange; the adjacent connecting flanges are connected through bolts; the connecting flanges comprising the first flange body and the second flange body are arranged at the two ends of the inner sleeve and the two ends of the outer sleeve, the inner rotating grooves and the outer rotating grooves are formed in the flange bodies, and the inner rotating rings are arranged outside the inner sleeve and the outer sleeve, so that the inner sleeve and the outer sleeve can rotate relative to the connecting flanges; disassembly and assembly are simple, and the maintenance efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of underground pipeline protection, in particular to an underground pipeline protection structure. Background Art

[0002] Underground pipelines refer to pipelines, cables, integrated pipe galleries, pipe trenches and their ancillary facilities such as water supply, drainage, gas, heat, electricity, communication, lighting, radio and television, traffic signals, public video surveillance, industry, etc. constructed below the urban ground;

[0003] Since underground pipelines are buried underground and are easily corroded and damaged, it is necessary to set up a protection structure outside the underground pipelines;

[0004] When checking and repairing leakage points of the existing protection structure, the entire protection structure needs to be removed or damaged, which wastes resources and delays work. Content of the Utility Model

[0005] The utility model provides an underground pipeline protection structure. By setting connection flanges including a first flange body and a second flange body at both ends of an inner sleeve and an outer sleeve, and simultaneously setting an inner rotation groove and an outer rotation groove on the flange body and an inner rotating ring outside the inner sleeve and the outer sleeve, the inner cylinder and the outer cylinder can rotate relative to the connection flange; after removing the first flange body or the second flange body, half of the inner sleeve or the outer sleeve can be removed by rotation, that is, two of the first inner cylinder body, the second inner cylinder body, the first outer cylinder body or the second outer cylinder body can be removed for maintenance. The disassembly and assembly are relatively simple, and the maintenance efficiency is high.

[0006] The technical solution of the utility model is realized as follows:

[0007] An underground pipeline protection structure, comprising: an inner sleeve and an outer sleeve, the inner sleeve is sleeved outside the underground pipeline, and the outer sleeve is sleeved outside the inner sleeve;

[0008] The inner sleeve and the outer sleeve are simultaneously connected with a connection flange;

[0009] The connection flange includes a first flange body and a second flange body;

[0010] Both the first flange body and the second flange body are semi-circular rings, and the first flange body and the second flange body form the circular connection flange;

[0011] The inner sleeve and the outer sleeve are both rotatably connected with the connection flange;

[0012] Adjacent connection flanges are connected by bolts.

[0013] Furthermore, connecting walls are provided on both the first flange body and the second flange body;

[0014] The connecting wall is semi-circular;

[0015] An inner rotation groove and an outer rotation groove are provided on the inner side of the connecting wall;

[0016] Inner rotating rings are provided at both ends of the inner sleeve, and the inner rotating rings are connected to the inner rotation grooves;

[0017] Outer rotating rings are provided at both ends of the outer sleeve, and the outer rotating rings are connected to the outer rotation grooves.

[0018] Furthermore, the inner sleeve includes a first inner cylinder body and a second inner cylinder body. A first clamping edge is provided on the axial side of the first inner cylinder body, and a first clamping platform is provided on the axial side of the second inner cylinder body. The first clamping edge is docked with the first clamping platform;

[0019] The outer sleeve includes a first outer cylinder body and a second outer cylinder body. A second clamping edge is provided on the axial side of the first outer cylinder body, and a second clamping platform is provided on the axial side of the second outer cylinder body. The second clamping edge is docked with the second clamping platform.

[0020] Furthermore, water-swellable rubber strips are provided at the docking positions of the first inner cylinder body and the second inner cylinder body, and at the docking positions of the first outer cylinder body and the second outer cylinder body.

[0021] Furthermore, the docking lines of the first flange body and the second flange body of adjacent connecting flanges are perpendicular to each other.

[0022] Furthermore, a support ring is provided inside the outer sleeve, and the radial section of the support ring is circular.

[0023] In the utility model, connecting flanges including a first flange body and a second flange body are provided at both ends of the inner sleeve and the outer sleeve. At the same time, an inner rotation groove and an outer rotation groove are provided on the flange body, and inner rotating rings are provided outside the inner sleeve and the outer sleeve, so that the inner cylinder and the outer cylinder can rotate relative to the connecting flange; after removing the first flange body or the second flange body, half of the inner sleeve or the outer sleeve can be removed by rotation, that is, two of the first inner cylinder body, the second inner cylinder body, the first outer cylinder body or the second outer cylinder body can be removed for maintenance. The disassembly and assembly are relatively simple, and the maintenance efficiency is high. Description of the Drawings

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0025] Figure 1 Structural schematic diagram of an underground pipeline protection structure in a specific embodiment of the present invention;

[0026] Figure 2 For Figure 1 Top view structural sectional view of an underground pipeline protection structure shown;

[0027] Figure 3 For Figure 1 、 Figure 2 Right view of the structure of the inner sleeve of an underground pipeline protection structure shown;

[0028] Figure 4 For Figure 1 、 Figure 2 Right view of the structure of the outer sleeve of an underground pipeline protection structure shown;

[0029] Figure 5 For Figure 1 、 Figure 2 Structural sectional view of the first flange body of the connecting flange of an underground pipeline protection structure shown;

[0030] Figure 6 For Figure 2 Structural sectional view of the outer sleeve of an underground pipeline protection structure shown;

[0031] Figure 7 For Figure 2 Structural sectional view of the inner sleeve of an underground pipeline protection structure shown;

[0032] Figure 8 For multiple Figure 1 Structural schematic diagram of the connection of an underground pipeline protection structure shown;

[0033] Explanation of reference numerals: inner sleeve 1; first outer cylinder body 11; second clamping edge 111; second outer cylinder body 12; second clamping platform 121; outer rotating ring 101; support ring 13; outer sleeve 2; first inner cylinder body 21; first clamping edge 211; second inner cylinder body 22; first clamping platform 221; inner rotating ring 201; connecting flange 3; first flange body 31; second flange body 32; connecting wall 33; outer rotating groove 331; inner rotating groove 332. Detailed implementation manners

[0034] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0035] In a specific embodiment of the present utility model, see Figures 1 - 8 , an underground pipeline protection structure includes: an inner sleeve 1 and an outer sleeve 2. The inner sleeve 2 is sleeved outside the underground pipeline, and the outer sleeve 1 is sleeved outside the inner sleeve 2;

[0036] The inner sleeve 2 and the outer sleeve 1 are both connected with a connecting flange 3;

[0037] See Figure 1 , the connecting flange 3 includes a first flange body 31 and a second flange body 32;

[0038] Both the first flange body 31 and the second flange body 32 are semi-circular rings, and the first flange body 31 and the second flange body 32 form the circular connecting flange 3;

[0039] The inner sleeve 2 and the outer sleeve 1 are both rotatably connected to the connecting flange 3;

[0040] Adjacent connecting flanges 3 are connected by bolts.

[0041] In a specific embodiment of the present utility model, see Figures 1 - 8 , specifically see Figure 2 、 Figure 5 , both the first flange body 31 and the second flange body 32 are provided with connecting walls 33;

[0042] The connecting wall 33 is semi-circular arc-shaped;

[0043] An inner rotation groove 332 and an outer rotation groove 331 are provided inside the connecting wall 33;

[0044] Inner rotation rings 201 are provided at both ends of the inner sleeve 2, and the inner rotation ring 21 is connected to the inner rotation groove 332;

[0045] Outer rotation rings 101 are provided at both ends of the outer sleeve 1, and the outer rotation ring 11 is connected to the outer rotation groove 331.

[0046] In a specific embodiment of the present utility model, see Figures 1 - 8 , specifically see Figure 2 、 Figure 3, the inner sleeve 2 includes a first inner cylinder body 21 and a second inner cylinder body 22. A first clamping edge 211 is provided on the axial edge of the first inner cylinder body 21, and a first clamping platform 221 is provided on the axial edge of the second inner cylinder body 22. The first clamping edge 211 is docked with the first clamping platform 221;

[0047] See specifically Figure 2 and Figure 4 , the outer sleeve 1 includes a first outer cylinder body 11 and a second outer cylinder body 12. A second clamping edge 111 is provided on the axial edge of the first outer cylinder body 11, and a second clamping platform 121 is provided on the axial edge of the second outer cylinder body 12. The second clamping edge 111 is docked with the second clamping platform 121.

[0048] In a specific embodiment of the present utility model, see Figures 1 - 8 , a water-swellable rubber strip is provided at the docking joint of the first inner cylinder body 21 and the second inner cylinder body 22, and at the docking joint of the first outer cylinder body 11 and the second outer cylinder body 12.

[0049] In a specific embodiment of the present utility model, see Figures 1 - 8 , see specifically Figure 8 , the docking lines of the first flange body 31 and the second flange body 32 of adjacent connecting flanges 3 are perpendicular to each other.

[0050] In a specific embodiment of the present utility model, see Figures 1 - 8 , see specifically Figure 2 and Figure 6 , a support ring 13 is provided inside the outer sleeve 1, and the radial section of the support ring 13 is circular;

[0051] Half of the support ring 13 is located on the inner peripheral side of the first outer cylinder body 11 and half is located on the inner peripheral side of the second outer cylinder body 12.

[0052] In a specific embodiment of the present utility model, see Figures 1 - 8 , during installation:

[0053] First, connect and fix the first flange body of adjacent connecting flanges with bolts;

[0054] Then install the water-swellable rubber strip on the first inner cylinder body, and dock the first inner cylinder body and the second inner cylinder body of the inner sleeve;

[0055] Then, fit the inner rotating ring of the docked inner sleeve with the inner rotating groove on the already connected first flange body. At this time, it is necessary to rotate the first inner cylinder body and the second inner cylinder body of the inner sleeve so that both the first inner cylinder body and the second inner cylinder body are supported by the first flange bodies at both ends by half, ensuring that the first inner cylinder body and the second inner cylinder body will not be separated from the first flange body;

[0056] Then install the outer sleeve in the same way;

[0057] Then butt the second flange body of the connecting flange against the first flange body, and at the same time align the inner rotation groove on the second flange body with the inner rotation ring on the inner sleeve;

[0058] Finally, fix the adjacent second flange bodies with bolts;

[0059] During the installation process, a support body may be required for support to ensure the smooth installation of the inner sleeve and the connecting flange;

[0060] During maintenance:

[0061] First, remove the second connecting flanges at both ends, and then rotate the outer sleeve so that the first outer cylinder body or the second outer cylinder body of the outer sleeve can be removed;

[0062] Then remove the first inner cylinder body or the second inner cylinder body of the inner sleeve in the same way.

[0063] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An underground pipeline protection structure, comprising: An inner sleeve and an outer sleeve, wherein the inner sleeve is sleeved outside the underground pipeline, and the outer sleeve is sleeved outside the inner sleeve; The feature is that: the inner sleeve and the outer sleeve are both connected with connecting flanges; The connecting flange includes a first flange body and a second flange body; The first flange body and the second flange body are both semicircular rings, and the first flange body and the second flange body form the annular connecting flange; The inner sleeve and the outer sleeve are both rotatably connected to the connecting flange; Adjacent connecting flanges are connected by bolts.

2. An underground pipeline protection structure as claimed in claim 1, characterized in that: The first flange body and the second flange body are both provided with a connecting wall; The connecting wall is in a semicircular arc shape; An inner rotation groove and an outer rotation groove are provided on the inner side of the connecting wall; Inner rotating rings are provided at both ends of the inner sleeve, and the inner rotating rings are connected to the inner rotating grooves; Outer rotating rings are arranged at both ends of the outer sleeve, and the outer rotating rings are connected to the outer rotating grooves.

3. The underground pipeline protection structure according to claim 1, characterized in that: The inner sleeve comprises a first inner sleeve body and a second inner sleeve body, the first inner sleeve body is provided with a first clamping edge on the axial side, the second inner sleeve body is provided with a first clamping platform on the axial side, and the first clamping edge is butted with the first clamping platform; The outer sleeve comprises a first outer sleeve body and a second outer sleeve body, a second clamping edge is arranged on the axial edge of the first outer sleeve body, a second clamping platform is arranged on the axial edge of the second outer sleeve body, and the second clamping edge is butted with the second clamping platform.

4. An underground pipeline protection structure as claimed in claim 3, characterized in that: A water-swellable rubber strip is provided at a joint between the first inner cylinder body and the second inner cylinder body, and at a joint between the first outer cylinder body and the second outer cylinder body.

5. The underground pipeline protection structure according to claim 1, characterized in that: The butt joint lines between the first flange body and the second flange body of the adjacent connecting flanges are perpendicular to each other.

6. The underground pipeline protection structure according to claim 1, characterized in that: A support ring is arranged inside the outer sleeve, and a radial section of the support ring is circular.

Images