Oxygen supply pipeline for danger avoidance of high-altitude tunnel engineering
By using adjustable transition blocks and protective mechanisms in high-altitude tunnel engineering, the problems of poor adaptability and easy damage of traditional oxygen supply pipelines in complex terrain have been solved, achieving flexible pipeline connection and stable oxygen supply.
Patent Information
- Application Number
- CN202520821262.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-28
AI Technical Summary
Traditional oxygen supply pipelines are difficult to adapt to complex terrain in high-altitude tunnel projects and are easily damaged by external impacts, resulting in high laying difficulty and unstable oxygen supply.
An adjustable adapter block and protective mechanism are used, and the pipeline is connected through a sealed bearing. Combined with a rotating ring and a protective cover, the pipeline angle can be adjusted and protected to adapt to changes in tunnel terrain and prevent external damage.
This achieves flexible adaptability and stable connection of pipelines, reduces construction difficulty and cost, and improves the reliability and safety of oxygen supply.
Smart Images

Figure CN223909065U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tunnel engineering technical field, concretely is a kind of oxygen supply pipeline for high altitude tunnel engineering risk avoidance. BACKGROUND
[0002] Tunnel is buried in stratum engineering building, is a form of human utilization of underground space.Tunnel can be divided into traffic tunnel, hydraulic tunnel, municipal tunnel, mine tunnel, military tunnel, when setting up tunnel in high altitude area, in order to improve the safety of tunnel inner side, oxygen supply pipeline is generally set, so that user carries out oxygen inhalation when oxygen is insufficient in tunnel, improves the safety of tunnel construction.
[0003] The inventor finds that at least the following problems in the prior art have not been solved, the application of oxygen supply pipeline in high altitude tunnel engineering faces a series of technical challenges.First, tunnel topography is complex and changeable, often contains turning and undulation, which requires that oxygen supply pipeline must have good adjustability to adapt to different terrain conditions.Traditional oxygen supply pipeline often adopts fixed connection mode, which is difficult to meet this demand, resulting in great difficulty and high cost in laying.Second, the natural environment in high altitude area is severe, and safety hazards such as rockfall often occur during construction.Once oxygen supply pipeline is impacted from outside, it is easy to be damaged, thereby affecting the normal supply of oxygen.
[0004] Therefore, we propose an oxygen supply pipeline for high altitude tunnel engineering risk avoidance, which can solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing an oxygen supply pipeline for high altitude tunnel engineering risk avoidance, which solves the problems raised in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: an oxygen supply pipeline for high altitude tunnel engineering risk avoidance, comprising a pipeline body, an adapter block, an adjusting mechanism and a protection mechanism, an adapter slot is formed in one end of the adapter block, a guide slot is formed in the inside of the adapter block; the adjusting mechanism is used for adjusting the connection angle of two groups of pipeline bodies, one end of the pipeline body is rotatably connected to the end of the adapter block away from the adapter slot through a first sealing bearing, connecting pipes are fixedly installed on the front and back sides of the other end of the pipeline body and penetrate through, and the connecting pipes are rotatably connected to the adapter slot through a second sealing bearing; the protection mechanism is used for protecting the pipeline body, the protection mechanism comprises a protection cover, connecting blocks are fixedly installed on the inside of the protection cover, two groups of rotating slots are formed on the outside of the adapter block, rotating rings are rotatably connected to the inside of the rotating slots, link frames are fixedly installed on the outside of the rotating rings, and the connecting blocks on the inside of the protection cover are hingedly connected to the link frames on the outside of the rotating rings.
[0007] As an optional scheme of the technical scheme of the present application, a fixing hole is formed through the outer side of the rotating ring, and a bolt is threadedly connected to the inner side of the fixing hole, with one end of the bolt being movably connected to the inside of the rotating ring.
[0008] As an optional scheme of the technical scheme of the present application, one end of the pipeline body is in communication with the guide groove, the connecting pipe is in communication with the guide groove, and the two groups of adjacent pipeline bodies are in communication through the guide groove inside the adapter block.
[0009] As an optional scheme of the technical scheme of the present application, the size of the protective cover is matched with that of the pipeline body, and the protective cover is arc-shaped.
[0010] As an optional scheme of the technical scheme of the present application, the size of the rotating ring is matched with that of the rotating groove.
[0011] Compared with the prior art, the present application has the following beneficial effects: the connecting pipe at one end of the pipeline body is rotatably connected to the rotating groove at one end of the adapter block, the other end of the pipeline body is rotatably connected to the other end of the adapter block, the use angle of the two groups of pipeline bodies can be adjusted according to the tunnel turning or the terrain undulation, the combination of the first sealing bearing and the second sealing bearing can realize the communication of the two groups of pipeline bodies, and the combination of the rotating ring, the rotating groove, the connecting block and the connecting groove can rotate the protective cover to be placed above the pipeline body for protection. BRIEF DESCRIPTION OF DRAWINGS
[0012] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:
[0013] Figure 1 It is a top view of the oxygen supply pipeline for high-altitude tunnel engineering risk avoidance of the present application;
[0014] Figure 2 It is a bottom side view of the oxygen supply pipeline for high-altitude tunnel engineering risk avoidance of the present application;
[0015] Figure 3 It is a connecting diagram of the pipeline body and the adapter block of the oxygen supply pipeline for high-altitude tunnel engineering risk avoidance of the present application;
[0016] Figure 4 It is a bottom side view of the protective cover of the oxygen supply pipeline for high-altitude tunnel engineering risk avoidance of the present application.
[0017] In the drawings: 1, pipeline body; 11, adapter block; 12, guide groove; 13, first sealing bearing; 14, adapter groove; 15, connecting pipe; 16, second sealing bearing; 2, protective cover; 21, connecting block; 22, rotating groove; 23, rotating ring; 24, adapter frame; 25, fixing hole; 26, bolt. DETAILED DESCRIPTION
[0018] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of oxygen supply pipeline for high-altitude tunnel engineering risk avoidance, including pipeline body 1, still including adapter block 11, adjusting mechanism and protection mechanism, one end of adapter block 11 is equipped with adapter groove 14, the inside of adapter block 11 is equipped with guide groove 12;Adjusting mechanism: for adjusting the connection angle of two groups of pipeline body 1, one end of pipeline body 1 is rotatably connected with the end of adapter block 11 away from adapter groove 14 by first sealed bearing 13, one end of pipeline body 1 is communicated with guide groove 12, front and back two sides of the other end of pipeline body 1 are fixedly installed and are penetrated with connecting pipe 15, connecting pipe 15 is rotatably connected with adapter groove 14 by second sealed bearing 16, connecting pipe 15 is communicated with guide groove 12, adjacent two groups of pipeline body 1 are communicated by the guide groove 12 in the inside of adapter block 11.
[0019] In this technical scheme, one end of connecting pipe 15 of pipeline body 1 is rotatably connected with rotating groove 22 of one end of adapter block 11, the other end of pipeline body 1 is rotatably connected with the other end of adapter block 11, can be adjusted according to the use angle of two groups of pipeline body 1 according to tunnel turning or topography fluctuation, can realize the intercommunication of two groups of pipeline body 1 by the combination of first sealed bearing 13 and second sealed bearing 16.
[0020] In this embodiment, protection mechanism: for the protection of pipeline body 1, protection mechanism includes protective cover 2, the size of protective cover 2 is matched with pipeline body 1, protective cover 2 is arc-shaped, two ends of the inside of protective cover 2 are fixedly installed with connecting block 21, the outside of adapter block 11 is equipped with two groups of rotating grooves 22, rotating ring 23 is rotatably connected with the inside of rotating groove 22, the size of rotating ring 23 is matched with rotating groove 22, the outside of rotating ring 23 is fixedly installed with link frame 24, the inside of connecting block 21 of protective cover 2 is hinged with the link frame 24 of the outside of rotating ring 23.
[0021] In this technical scheme, rotating ring 23 is rotatably connected with rotating groove 22, the inside of connecting block 21 of protective cover 2 is hinged with the link frame 24 of the outside of rotating ring 23, can rotate protective cover 2 and place in the upper of pipeline body 1 to carry out protection operation, avoid that stone falls and injures pipeline body 1 in construction process.
[0022] In this embodiment, the outside of rotating ring 23 is penetrated and is equipped with fixed hole 25, the inside of fixed hole 25 is threadedly connected with bolt 26, one end of bolt 26 placed in the inside of rotating ring 23 is movably connected with adapter block 11.
[0023] In the technical scheme, the bolt 26 is screwed to abut against the outside of the adapter block 11 at one end inside the rotating ring 23, the rotating ring 23 can be fixed, and thus the stability of the protective cover 2 during use is improved.
[0024] In the use of the oxygen supply pipeline for high-altitude tunnel engineering safety, the connecting pipe 15 at one end of the pipeline body 1 is rotationally connected with the rotating groove 22 at one end of the adapter block 11, the other end of the pipeline body 1 is rotationally connected with the other end of the adapter block 11, the use angle of the two groups of pipeline bodies 1 can be adjusted according to the tunnel turning or the terrain undulation, the two groups of pipeline bodies 1 can be communicated through the combination of the first sealing bearing 13 and the second sealing bearing 16, the protective cover 2 can be rotated to be placed above the pipeline body 1 for protection work through the rotation connection of the rotating ring 23 with the rotating groove 22 and the hinging of the connecting block 21 inside the protective cover 2 with the linking frame 24 outside the rotating ring 23, the pipeline body 1 is prevented from being damaged by falling stones during construction, the rotating ring 23 can be fixed by screwing the bolt 26 to abut against the outside of the adapter block 11 at one end inside the rotating ring 23, and thus the stability of the protective cover 2 during use is improved.
Claims
1. A high-altitude tunnel engineering refuge oxygen supply pipeline, comprising a pipeline body (1), characterized in that, Also include adapter block (11), adjusting mechanism and protection mechanism, the adapter block (11) one end is provided with adapter slot (14), the inside of the adapter block (11) is provided with guide slot (12); The adjusting mechanism is used for adjusting the connection angle of the two groups of pipeline bodies (1), one end of the pipeline body (1) is rotatably connected to the end of the adapter block (11) away from the adapter slot (14) through the first sealing bearing (13), the front and rear sides of the other end of the pipeline body (1) are penetrated and fixedly installed with the connecting pipe (15), and the connecting pipe (15) is rotatably connected to the adapter slot (14) through the second sealing bearing (16). The protection mechanism is used for protecting the pipeline body (1), the protection mechanism comprises a protection cover (2), both ends of the inner side of the protection cover (2) are fixedly installed with connecting blocks (21), the outer side of the adapter block (11) is provided with two groups of rotating grooves (22), the inner side of the rotating groove (22) is rotatably connected with a rotating ring (23), the outer side of the rotating ring (23) is fixedly installed with a link frame (24), and the connecting block (21) on the inner side of the protection cover (2) is hingedly connected with the link frame (24) on the outer side of the rotating ring (23).
2. The oxygen supply pipeline for high-altitude tunnel engineering risk avoidance according to claim 1, characterized in that: The outer side of the rotating ring (23) is penetrated and provided with a fixing hole (25), the inner side of the fixing hole (25) is screw-connected with a bolt (26), and one end of the bolt (26) in the inner side of the rotating ring (23) is movably connected with the adapter block (11).
3. The oxygen supply pipeline for high-altitude tunnel engineering risk avoidance according to claim 1, characterized in that: One end of the pipeline body (1) is communicated with the guide slot (12), the connecting pipe (15) is communicated with the guide slot (12), and adjacent two groups of the pipeline bodies (1) are communicated through the guide slot (12) in the inside of the adapter block (11).
4. The oxygen supply pipeline for high-altitude tunnel engineering risk avoidance according to claim 1, characterized in that: The size of the protection cover (2) is matched with that of the pipeline body (1), and the protection cover (2) is arc-shaped.
5. The oxygen supply pipeline for high-altitude tunnel engineering risk avoidance according to claim 1, characterized in that: The size of the rotating ring (23) is matched with that of the rotating groove (22).