CN210396803U - Special light escape pipeline for tunnel - Google Patents
Special light escape pipeline for tunnel Download PDFInfo
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- CN210396803U CN210396803U CN201921132623.9U CN201921132623U CN210396803U CN 210396803 U CN210396803 U CN 210396803U CN 201921132623 U CN201921132623 U CN 201921132623U CN 210396803 U CN210396803 U CN 210396803U
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Abstract
The utility model provides a special light escape pipeline for a tunnel, which comprises escape pipes and pipe joints, wherein the two escape pipes are connected through the pipe joints; the escape pipe comprises an outer layer pipe, an inner layer pipe and a sandwich pipe, wherein the sandwich pipe is arranged between the outer layer pipe and the inner layer pipe, and the inner part of the inner layer pipe is hollow; the sandwich pipe is internally provided with a plurality of circular through holes, the cross section of the sandwich pipe is honeycomb-shaped, and the inner diameter of the inner layer pipe is 800mm-820 mm. The utility model discloses a optimize pipe shaft inner structure, under the unchangeable prerequisite of guaranteeing pipe shaft shock resistance and wear-resisting pressure resistance in surface, further reduce pipe shaft weight to convenient removal and transport, and set up dedicated coupling, so that flee the installation and the dismantlement between the pipe.
Description
Technical Field
The utility model belongs to the pipeline field of fleing especially relates to a special light pipeline of fleing in tunnel.
Background
The construction of highway tunnels in China starts late, compared with developed countries abroad, the level of relevant technology is still low, and in addition, the highway tunnels have the characteristics of large span, complex construction process, variable terrain and the like, so that a plurality of technical problems exist in the construction process of the highway tunnels. Although certain results are obtained from the relevant design theory and construction process of the tunnel with complex geological conditions along with the increasingly mature new Austrian construction technology of the highway tunnel in China, collapse accidents happen frequently in the tunnel construction, and the construction safety problem is very serious.
At present, escape pipelines are arranged between two linings and a tunnel face in the domestic tunnel construction, the traditional tunnel escape pipelines usually adopt 9000 multiplied by 820 multiplied by 10mm steel pipes, 3000 multiplied by 800 multiplied by 30mm glass fiber reinforced plastic wound pipes and 3000 multiplied by 800 multiplied by 30 polyethylene pipes, and the pipes are connected by adopting the ways of sleeve welding, flange connection, chain connection or hoop connection and the like; in the escape pipeline, the weight of the lowest unit section still reaches more than 200KG, and the escape pipeline has the major defect of difficult transportation in the process of continuous tunneling of the tunnel face, so that the further weight reduction is the core problem of the tunnel escape pipeline in the application of tunnel engineering on the premise of ensuring that the mechanical property of the escape pipeline is not reduced.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide a special light pipeline of fleing in tunnel through optimizing pipe shaft inner structure, under the unchangeable prerequisite of guaranteeing pipe shaft shock resistance and surperficial wear-resisting pressure resistance, further reduces pipe shaft weight to convenient removal and transport are convenient for install and dismantle simultaneously.
In order to solve the technical problem, the utility model discloses a technical scheme is: the escape pipe comprises an escape pipe and a pipe joint, wherein the two escape pipes are connected through the pipe joint; the escape pipe comprises an outer layer pipe, an inner layer pipe and a sandwich pipe, wherein the sandwich pipe is arranged between the outer layer pipe and the inner layer pipe, and the inner part of the inner layer pipe is hollow; the sandwich pipe is internally provided with a plurality of circular through holes, the cross section of the sandwich pipe is honeycomb-shaped, and the inner diameter of the inner layer pipe is 800mm-820 mm.
Furthermore, the pipe joint is a circular pipe and comprises an inserting part and a threaded part, wherein a plurality of inserting pins are arranged on the inner wall of the inserting part, and internal threads are arranged on the inner wall of the threaded part; a plurality of inserting grooves corresponding to the inserting pins are formed in the outer side of the outer layer pipe at one end of the escaping pipe, and external threads are formed in the outer side of the outer layer pipe at the other end of the escaping pipe; the inserting pin is fixedly inserted into the inserting groove, and the internal thread is matched with the external thread; the outer side of the end part of the inserting part is provided with a first fixed disc, the first fixed disc is provided with a first fixed through hole, the escape pipe is provided with a second fixed disc, the second fixed disc is provided with a second fixed through hole, and the second fixed disc is positioned at the end part of the inserting groove.
Further, the length of the plug pin is equal to that of the plug groove, and the length of the plug part is equal to that of the threaded part; the length of the pipe joint is 100-200 mm.
Furthermore, four plug pins and four plug grooves are arranged and are arranged symmetrically in the circumference; the first fixing through holes and the second fixing through holes are four in number and are circumferentially and symmetrically arranged.
Furthermore, the outer layer pipe, the inner layer pipe and the interlayer pipe are all made of HDPE materials, and the outer layer pipe, the inner layer pipe and the interlayer pipe are combined into a whole through a pultrusion process.
Further, outer layer pipe and inlayer pipe are made by the HDPE polyethylene material, the intermediate layer pipe is made by glass fiber reinforced plastic fibre material, all adopt the hot melt adhesive bonding between intermediate layer pipe and outer layer pipe and the inlayer pipe.
Further, the tube thickness of the outer layer tube is 5 mm.
Further, the tube thickness of the inner tube is 5 mm.
Further, the thickness of the sandwich pipe is 20mm
The utility model has the advantages and positive effects that:
1. set up the pipeline into inlayer pipe, outer pipe and intermediate layer pipe three-layer, through carrying out configuration optimization to the intermediate layer pipe, the cross-section of its intermediate layer pipe is circular honeycomb structure, further reduction the weight of pipe shaft, and whole pipe shaft shock resistance and surface wear-resisting pressure resistance are unchangeable, and pipeline weight after the improvement reduces, is convenient for remove and carry.
2. The special pipe joint is arranged, so that the installation is convenient and fast and firm, and the disassembly is convenient.
Drawings
FIG. 1 is a sectional view of an escape pipe in a light escape pipeline for a tunnel according to the present invention;
FIG. 2 is a cross-sectional view of the interlayer pipe in the light escape pipeline for tunnel of the present invention;
FIG. 3 is a schematic structural view of a pipe joint and an escape pipe in a light escape pipeline for a tunnel according to the present invention;
in the figure: 1-outer layer pipe, 2-inner layer pipe, 3-interlayer pipe, 4-through hole, 5-pipe joint, 501-plug part, 502-thread part, 5011-plug pin, 5012-plug groove, 5013-fixing disc I, 5014-fixing through hole I, 5015-fixing disc II, 5016-fixing through hole II, 5021-internal thread and 5022-external thread.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-3, a special light escape pipeline for a tunnel comprises escape pipes and pipe joints 5, wherein the two escape pipes are connected through the pipe joints 5; the escape pipe comprises an outer layer pipe 1, an inner layer pipe 2 and an interlayer pipe 3, wherein the interlayer pipe 3 is arranged between the outer layer pipe 1 and the inner layer pipe 2, and the inner part of the inner layer pipe 2 is hollow; the sandwich pipe 3 is internally provided with a plurality of circular through holes 4, the cross section of the sandwich pipe 3 is honeycomb-shaped, and the inner diameter of the inner layer pipe 2 is 800mm-820 mm. The inner diameter width of 800mm-820mm can ensure that personnel can normally pass through the pipeline.
Further, the pipe joint 5 is a circular pipe and comprises an insertion part 501 and a threaded part 502, wherein a plurality of insertion pins 5011 are arranged on the inner wall of the insertion part 501, and internal threads 5021 are arranged on the inner wall of the threaded part 502; a plurality of inserting grooves 5012 corresponding to the inserting pins 5011 are formed in the outer side of the outer layer tube 1 at one end of the escaping tube, and external threads 5022 are formed in the outer side of the outer layer tube 1 at the other end of the escaping tube; the inserting pin 5011 is fixedly inserted into the inserting groove 5012, and the internal thread 5021 is matched with the external thread 5022; the outer side of the end part of the inserting part 501 is provided with a first fixed disk 5013, the first fixed disk 5013 is provided with a first fixed through hole 5014, the escape pipe is provided with a second fixed disk 5015, the second fixed disk 5015 is provided with a second fixed through hole 5016, and the second fixed disk 5015 is positioned at the end part of the inserting groove 5012.
Further, the plug pin 5011 and the plug groove 5012 have the same length, and the plug portion 501 and the threaded portion 502 have the same length; the length of the pipe joint 5 is 100 mm and 200mm, wherein the length of the pipe joint 5 is preferably 200mm, so that the connection is more stable.
Furthermore, four plug pins 5011 and four plug slots 5012 are arranged, and are arranged symmetrically in the circumference; the first fixing through holes 5014 and the second fixing through holes 5016 are four and are circumferentially and symmetrically arranged.
Further, the outer layer tube 1 has a tube thickness of 5 mm. The outer layer pipe 1 is contacted with the ground of the tunnel and mainly plays roles of protecting the interlayer pipe 3, resisting external force impact and abrasion, wherein the thicker the pipe wall is, the better the performance is; through impact resistance and abrasion resistance tests, economic cost and pipe body weight are integrated, and the thickness of the outer layer pipe 1 is most suitable to be 5 mm. Wherein, can bear the impact force that the tunnel collapses and can guarantee that the intermediate layer pipe 3 does not receive wearing and tearing while, economic cost is the lowest.
Further, the tube thickness of the inner layer tube 2 is 5 mm. The inner layer pipe 2 is an escape contact layer, mainly creates a clean and flat environment inside the pipeline, and plays a role in resisting pressure and abrasion, wherein the larger the wall thickness is, the better the performance is; through impact resistance and abrasion resistance tests, economic cost and pipe body weight are integrated, and the thickness of the outer layer pipe 1 is most suitable to be 5 mm. At the moment, the collapse of the tunnel can be borne, the interlayer pipe 3 can be protected from abrasion, and the economic cost is lowest.
Further, the tube thickness of the sandwich tube 3 is 20 mm. The sandwich pipe 3 is internally provided with the honeycomb-shaped through holes 4, the structural design can not only keep the shock resistance and the compression resistance of the pipe body, but also reduce the weight of the whole pipe body, and the larger the wall thickness is, the better the performance is; through impact resistance and abrasion resistance tests, economic cost and pipe body weight are integrated, and the thickness of the interlayer pipe 3 is most suitable to be 20 mm; at this time, the sandwich pipe 3 can not only keep good compression resistance and impact resistance, but also keep the pipe body from deformation.
The first embodiment is as follows:
in this embodiment, the outer pipe 1, the inner pipe 2 and the sandwich pipe 3 are all made of HDPE polyethylene, and the outer pipe 1, the inner pipe 2 and the sandwich pipe 3 are integrally formed by a pultrusion process. All made of HDPE materials, and the manufacturing process is simple and rapid.
The sandwich pipe 3 is internally provided with a plurality of circular through holes 4, the cross section of the sandwich pipe is honeycomb-shaped, and the sandwich pipe 3 is optimized in structure due to the largest wall thickness, so that the weight of the whole pipe body is further reduced, and the pipeline is convenient to carry and move when in use. The utility model discloses when using, two flee to manage and dock fixedly, at first with the screwed part 502 of coupling 5 and the external screw thread 5022 butt joint of fleeing to manage, make internal thread 5021 and external screw thread 5022 thread fastening, aim at another inserting groove 5012 of fleeing to manage with the grafting part 501 of coupling 5 again, it is fixed to make the grafting round pin 5011 peg graft with inserting groove 5012, at this moment, fixing hole 5014 coincides with fixing hole two 5016 mutually, it fixes to run through fixing hole 5014 and fixing hole two 5016 and nut with the bolt, can fix fixing disc 5013 and fixing disc two 5015, and then further fix flee to manage the coupling and further fix, this fixed mode is simple and convenient, and quick detachable.
Example two:
in this embodiment, outer pipe 1 and inlayer pipe 2 are made by the HDPE polyethylene material, sandwich pipe 3 is made by glass fiber reinforced plastic fibre material, all adopt the hot melt adhesive bonding between sandwich pipe 3 and outer pipe 1 and inlayer pipe 2.
The sandwich pipe 3 is made of glass fiber reinforced plastic fibers, the impact resistance and the pressure resistance of the pipe body can be further improved, a plurality of circular through holes 4 are formed in the sandwich pipe 3, the cross section of the sandwich pipe is cellular, and the sandwich pipe 3 is the largest in wall thickness, so that the sandwich pipe is structurally optimized, the weight of the whole pipe body is further reduced, and the pipeline is convenient to carry and move when being used. When the utility model is used and two escape pipes are butted and fixed, firstly, the thread part 502 of the pipe joint 5 is butted with the external thread 5022 of the escape pipe, so that the internal thread 5021 is fixed with the external thread 5022 in a thread way, and then the inserting part 501 of the pipe joint 5 is aligned with the inserting groove 5012 of the other escape pipe, so that the inserting pin 5011 is inserted and fixed with the inserting groove 5012; at the moment, the first fixing through hole 5014 and the second fixing through hole 5016 coincide with each other, the bolt penetrates through the first fixing through hole 5014 and the second fixing through hole 5016 to be fixed with the nut, the first fixing disc 5013 and the second fixing disc 5015 can be fixed, and then the escape pipe and the pipe joint are further fixed.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. A special light escape pipeline for a tunnel is characterized in that: the escape pipe comprises an escape pipe and a pipe joint (5), wherein the two escape pipes are connected through the pipe joint (5); the escape pipe comprises an outer layer pipe (1), an inner layer pipe (2) and an interlayer pipe (3), wherein the interlayer pipe (3) is arranged between the outer layer pipe (1) and the inner layer pipe (2), and the inner part of the inner layer pipe (2) is hollow; the sandwich pipe (3) is internally provided with a plurality of circular through holes (4), the cross section of the sandwich pipe (3) is honeycomb-shaped, and the inner diameter of the inner layer pipe (2) is 800-820 mm.
2. The special light escape pipeline for the tunnel according to claim 1, wherein: the pipe joint (5) is a circular pipe and comprises an inserting part (501) and a threaded part (502), wherein a plurality of inserting pins (5011) are arranged on the inner wall of the inserting part (501), and internal threads (5021) are arranged on the inner wall of the threaded part (502); a plurality of inserting grooves (5012) corresponding to the inserting pins (5011) are formed in the outer side of the outer layer pipe (1) at one end of the escaping pipe, and external threads (5022) are formed in the outer side of the outer layer pipe (1) at the other end of the escaping pipe; the inserting pin (5011) is fixedly inserted into the inserting groove (5012), and the internal thread (5021) is matched with the external thread (5022); the outer side of the end part of the inserting part (501) is provided with a first fixed disc (5013), the first fixed disc (5013) is provided with a first fixed through hole (5014), the escape pipe is provided with a second fixed disc (5015), the second fixed disc (5015) is provided with a second fixed through hole (5016), and the second fixed disc (5015) is located at the end part of the inserting groove (5012).
3. The special light escape pipeline for the tunnel according to claim 2, wherein: the length of the plug pin (5011) is equal to that of the plug groove (5012), and the length of the plug part (501) is equal to that of the threaded part (502); the length of the pipe joint (5) is 100-200 mm.
4. The special light escape pipeline for the tunnel according to claim 2, wherein: the four inserting pins (5011) and the four inserting grooves (5012) are arranged and are circumferentially and symmetrically arranged; the first fixing through holes (5014) and the second fixing through holes (5016) are four and are arranged in a circumferential symmetry mode.
5. The special light escape pipeline for the tunnel according to claim 1, wherein: the outer layer pipe (1), the inner layer pipe (2) and the interlayer pipe (3) are all made of HDPE (high-density polyethylene), and the outer layer pipe (1), the inner layer pipe (2) and the interlayer pipe (3) are combined into a whole through a pultrusion process.
6. The special light escape pipeline for the tunnel according to claim 1, wherein: outer layer pipe (1) and inlayer pipe (2) are made by the HDPE polyethylene material, intermediate layer pipe (3) are made by glass steel fiber material, all adopt the hot melt adhesive bonding between intermediate layer pipe (3) and outer layer pipe (1) and inlayer pipe (2).
7. The special light escape pipeline for the tunnel according to claim 1, wherein: the thickness of the outer layer tube (1) is 5 mm.
8. The special light escape pipeline for the tunnel according to claim 1, wherein: the thickness of the inner layer pipe (2) is 5 mm.
9. The special light escape pipeline for the tunnel according to claim 1, wherein: the thickness of the sandwich tube (3) is 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921132623.9U CN210396803U (en) | 2019-07-18 | 2019-07-18 | Special light escape pipeline for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921132623.9U CN210396803U (en) | 2019-07-18 | 2019-07-18 | Special light escape pipeline for tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN210396803U true CN210396803U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921132623.9U Active CN210396803U (en) | 2019-07-18 | 2019-07-18 | Special light escape pipeline for tunnel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664261A (en) * | 2020-12-29 | 2021-04-16 | 天津润木科技有限公司 | Socket-joint fixing convenient high-strength escape pipe |
| CN112664260A (en) * | 2020-12-29 | 2021-04-16 | 天津润木科技有限公司 | High-strength escape pipe with good impact resistance |
| CN112709597A (en) * | 2020-12-29 | 2021-04-27 | 天津润木科技有限公司 | Novel high-strength escape pipe |
| CN113232385A (en) * | 2021-04-26 | 2021-08-10 | 江苏融至新材料有限公司 | High-polymer composite escape channel and production process thereof |
-
2019
- 2019-07-18 CN CN201921132623.9U patent/CN210396803U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664261A (en) * | 2020-12-29 | 2021-04-16 | 天津润木科技有限公司 | Socket-joint fixing convenient high-strength escape pipe |
| CN112664260A (en) * | 2020-12-29 | 2021-04-16 | 天津润木科技有限公司 | High-strength escape pipe with good impact resistance |
| CN112709597A (en) * | 2020-12-29 | 2021-04-27 | 天津润木科技有限公司 | Novel high-strength escape pipe |
| CN113232385A (en) * | 2021-04-26 | 2021-08-10 | 江苏融至新材料有限公司 | High-polymer composite escape channel and production process thereof |
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