Double-sleeve moisture removal structure of buried fixed joint
By installing protective sleeves and polyurethane filling material layers outside the buried fixed sections, the problem of damage caused by external impacts is solved, and the strength of the structure is improved and the service life is extended.
Patent Information
- Application Number
- CN202421511115.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing buried fixed joints of the tidal exhaust pipe are easily damaged by external impact, resulting in cracks at the connection and affecting normal operation.
A double-casing tide exhaust structure with buried fixed sections is designed, including buried pipes, outer sleeves and exhaust pipes. The outer sleeves are sleeved outside the buried pipes, and the upper end of the exhaust pipe extends out of the ground, and a protective sleeve is set outside the exhaust pipe. There is a filling material layer between the protective sleeves and the exhaust pipe, and the filling material layer is made of polyurethane.
By setting up a protective sleeve and a filling material layer, the direct impact of the exhaust pipe is effectively avoided, buffering external impact, improving structural strength and extending service life.
Smart Images
Figure CN222669142U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of underground pipes, in particular to a double-sleeve moisture-removing structure of an underground fixed joint. Background Art
[0002] At the fixed joint of the buried pipe, there will be a dehumidification pipe extending out of the ground to discharge the moisture in the high-temperature insulation layer of the fixed joint to prevent moisture from eroding the insulation layer. The upper end of the dehumidification pipe is exposed on the ground. The ground environment is complex. The part of the dehumidification pipe extending out of the ground may be hit, causing the dehumidification pipe to deform and be damaged. It may also cause cracks at the connection between the dehumidification pipe and the fixed joint, affecting the normal operation of the dehumidification pipe. Summary of the invention
[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the utility model provides a double-sleeve moisture-discharging structure of an underground fixed joint, aiming to prevent the moisture-discharging pipe from being damaged by impact.
[0004] Technical solution: To achieve the above-mentioned purpose, the double-sleeve dehumidification structure of the underground fixed section of the utility model comprises an underground pipe, an outer sleeve and a dehumidification pipe, the outer sleeve is sleeved outside the underground pipe, there is an insulation layer between the outer sleeve and the buried pipe, the lower end of the dehumidification pipe extends into the insulation layer, and the upper end of the dehumidification pipe extends out of the ground; a protective sleeve is also arranged outside the dehumidification pipe, the protective sleeve is correspondingly sleeved on the dehumidification pipe, and there is a filling material layer between the protective sleeve and the dehumidification pipe; the lower end of the protective sleeve is fixed on the outer wall of the outer sleeve; a reinforcing rib plate is arranged between the outer wall of the protective sleeve and the outer wall of the outer sleeve; reinforcing ribs are arranged on the inner wall of the protective sleeve, and the reinforcing ribs extend along the length direction of the protective sleeve.
[0005] Furthermore, a plurality of reinforcing ribs are arranged circumferentially on the outer wall of the protective sleeve, a plurality of reinforcing ribs are arranged circumferentially on the inner wall of the protective sleeve, and the plurality of reinforcing ribs and the plurality of reinforcing ribs are staggered with each other.
[0006] Furthermore, a plurality of reinforcing ribs are also provided between the outer wall of the dehumidification pipe and the outer wall of the outer sleeve, and the reinforcing ribs of the outer wall of the dehumidification pipe are correspondingly located between two adjacent reinforcing ribs of the inner wall of the protective sleeve.
[0007] Furthermore, the filling material layer corresponds to the gap between the moisture discharge pipe and the protective sleeve.
[0008] Furthermore, the filling material layer is made of polyurethane.
[0009] Beneficial effects: The double-sleeve moisture-draining structure of the underground fixed node of the utility model has a protective sleeve arranged outside the moisture-draining pipe, which can prevent the moisture-draining pipe from being directly impacted; a filling material layer is arranged between the moisture-draining pipe and the protective sleeve, which can play a buffering role; the outer wall of the protective sleeve has a reinforcing rib plate, and the inner wall has reinforcing ribs, so as to improve the structural strength of the protective sleeve, make the protective sleeve not easy to deform, and extend the service life of the protective sleeve. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Attached Figure 1 It is a schematic diagram of the connection between the moisture drain pipe and the protective casing on the buried fixing joint;
[0011] Attached Figure 2 Schematic diagram of stiffener plates and stiffener ribs. DETAILED DESCRIPTION
[0012] The utility model is further described below in conjunction with the accompanying drawings.
[0013] As attached Figures 1 to 2 The double-tube moisture-removing structure of the underground fixed joint comprises an underground pipe 1, an outer sleeve 2 and a moisture-removing pipe 3. Figure 1 In a fixed section shown in the figure, the buried pipe 1 is buried underground, the outer sleeve 2 is sleeved outside the buried pipe 1, and there is an insulation layer 4 between the outer sleeve 2 and the buried pipe 1. The lower end of the moisture discharge pipe 3 extends into the insulation layer 4, and the upper end of the moisture discharge pipe 3 extends out of the ground. The moisture in the insulation layer 4 can be discharged through the moisture discharge pipe 3.
[0014] A protective sleeve 5 is also provided outside the dehumidification pipe 3, and the protective sleeve 5 is correspondingly sleeved on the dehumidification pipe 3. Figure 1 As shown in the figure, the dehumidification pipe 3 includes a straight pipe part and a curved pipe part, and the protective sleeve 5 is correspondingly sleeved on the straight pipe part of the dehumidification pipe 3. Due to the existence of the protective sleeve 5, the part of the dehumidification pipe 3 extending out of the ground is not easily directly hit by external objects, thereby playing a role in protecting the dehumidification pipe 3.
[0015] There is a filling material layer 6 between the protective sleeve 5 and the dehumidification pipe 3. In one embodiment, the filling material layer 6 is made of polyurethane. The filling material layer 6 can play a buffering role, absorbing the impact of external objects on the dehumidification pipe 3, so that the dehumidification pipe 3 is not easily damaged or deformed under the impact of external objects. In addition, the filling material layer 6 corresponds to the gap between the dehumidification pipe 3 and the protective sleeve 5 to seal the gap between the dehumidification pipe 3 and the protective sleeve 5 to prevent water from accumulating in the gap between the dehumidification pipe 3 and the protective sleeve 5.
[0016] As attached Figure 1As shown in , the lower end of the protective sleeve 5 is fixed to the outer wall of the outer sleeve 2, and a reinforcing rib plate 7 is provided between the outer wall of the lower end of the protective sleeve 5 and the outer wall of the outer sleeve 2. The reinforcing rib plate 7 is used to improve the connection strength between the protective sleeve 5 and the outer sleeve 2, and the protective sleeve 5 is not easily bent under the impact of foreign objects. The reinforcing rib plate 7, the protective sleeve 5 and the outer sleeve 2 can be fixed by welding.
[0017] As attached Figure 2 As shown in , reinforcing ribs 8 are provided on the inner wall of the protective sleeve 5, and the reinforcing ribs 8 extend along the length direction of the protective sleeve 5. The reinforcing ribs 8 can further improve the bending resistance of the protective sleeve 5, extend the service life of the protective sleeve 5, and enable the protective sleeve 5 to protect the dehumidification pipe 3 for a long time.
[0018] A plurality of reinforcing ribs 7 are arranged circumferentially on the outer wall of the protective sleeve 5, and a plurality of reinforcing ribs 8 are arranged circumferentially on the inner wall of the protective sleeve 5, and the plurality of reinforcing ribs 7 and the plurality of reinforcing ribs 8 are staggered with each other. Since the reinforcing ribs 7 and the reinforcing ribs 8 are staggered, the anti-bending structure is more evenly distributed in the circumferential direction of the protective sleeve 5, so the overall anti-bending performance of the protective sleeve 5 is better.
[0019] A plurality of reinforcing ribs 7 are also provided between the outer wall of the dehumidification pipe 3 and the outer wall of the outer sleeve 2, so that the bending resistance of the dehumidification pipe 3 itself is also enhanced. The reinforcing ribs 7 of the outer wall of the dehumidification pipe 3 are correspondingly located between two adjacent reinforcing ribs 8 of the inner wall of the protective sleeve 5, so that the filling material layer 6 between the protective sleeve 5 and the dehumidification pipe 3 is relatively evenly distributed, and the buffering effect of the filling material layer 6 is better.
[0020] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. The double-pipe moisture-removing structure of the underground fixed joint is characterized by: The invention comprises a buried pipe (1), an outer sleeve (2) and a dehumidification pipe (3), wherein the outer sleeve (2) is sleeved outside the buried pipe (1), an insulation layer (4) is provided between the outer sleeve (2) and the buried pipe (1), the lower end of the dehumidification pipe (3) extends into the insulation layer (4), and the upper end of the dehumidification pipe (3) extends out of the ground; a protective sleeve (5) is further provided outside the dehumidification pipe (3), the protective sleeve (5) is sleeved on the dehumidification pipe (3) in a corresponding ring, and a filling material layer (6) is provided between the protective sleeve (5) and the dehumidification pipe (3); The lower end of the protective sleeve (5) is fixed on the outer wall of the outer sleeve (2); A reinforcing rib plate (7) is provided between the outer wall of the protective sleeve (5) and the outer wall of the outer sleeve (2); The inner wall of the protective sleeve (5) is provided with a reinforcing rib (8), and the reinforcing rib (8) extends along the length direction of the protective sleeve (5).
2. The double-sleeve moisture-removing structure of the underground fixed joint according to claim 1 is characterized in that: A plurality of reinforcing ribs (7) are arranged circumferentially on the outer wall of the protective sleeve (5), and a plurality of reinforcing ribs (8) are arranged circumferentially on the inner wall of the protective sleeve (5), wherein the plurality of reinforcing ribs (7) and the plurality of reinforcing ribs (8) are staggered with each other.
3. The double-sleeve moisture-removing structure of the underground fixed joint according to claim 2 is characterized in that: A plurality of reinforcing ribs (7) are also provided between the outer wall of the dehumidification pipe (3) and the outer wall of the outer sleeve (2), and the reinforcing ribs (7) on the outer wall of the dehumidification pipe (3) are correspondingly located between two adjacent reinforcing ribs (8) on the inner wall of the protective sleeve (5).
4. The double-sleeve moisture-removing structure of the underground fixed joint according to claim 1 is characterized in that: The filling material layer (6) corresponds to the gap between the moisture discharge pipe (3) and the protective sleeve (5).
5. The double-sleeve moisture-removing structure of the underground fixed joint according to claim 4 is characterized in that: The filling material layer (6) is made of polyurethane.