CN220415429U - Adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system - Google Patents
Adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system Download PDFInfo
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- CN220415429U CN220415429U CN202321875549.6U CN202321875549U CN220415429U CN 220415429 U CN220415429 U CN 220415429U CN 202321875549 U CN202321875549 U CN 202321875549U CN 220415429 U CN220415429 U CN 220415429U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 45
- 238000010276 construction Methods 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005452 bending Methods 0.000 description 5
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- 238000009792 diffusion process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
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Abstract
The utility model belongs to the technical field of tunnel ventilation, and particularly relates to an adjustable low-wind-resistance air pipe connecting structure and an F-shaped press-in ventilation system. The system comprises a right tunnel and a left tunnel, a right tunnel and a left tunnel which are arranged in parallel, a transverse channel and a transverse tunnel between the right tunnel and the left tunnel, and a transverse tunnel construction work area ventilation module arranged in the transverse tunnel, wherein the module comprises a variable-frequency axial flow fan II, a soft air pipe II with an F-shaped pipeline structure, a soft air pipe with the left tunnel, a soft air pipe with the right tunnel and a soft air pipe with the right tunnel, a three-way hard air pipe connection structure is arranged at the joint of the soft air pipe II with the soft air pipe with the left tunnel, a turning arc-shaped hard air pipe connection structure is arranged at the joint of the soft air pipe with the right tunnel, and the soft air pipe with the left tunnel and the soft air pipe with the right tunnel face II are respectively oriented to the tunnel face II. The utility model utilizes a plurality of transverse holes to assist ventilation, adopts an arc-shaped hard air pipe connection structure, can effectively reduce the air pressure loss, has better ventilation effect and lower ventilation cost.
Description
Technical Field
The utility model belongs to the technical field of tunnel ventilation, and particularly relates to an adjustable low-wind-resistance air pipe connecting structure and an F-shaped press-in ventilation system.
Background
The ultra-long tunnel has the characteristics of long tunnel air supply distance, long construction period, more construction machinery and equipment personnel, poor geological body crossing and other complex construction environments, and higher requirements on construction ventilation air quantity, ventilation technology, ventilation management and the like are provided.
At present, a long tunnel is constructed by adopting a long tunnel short-cut construction mode, construction ventilation is realized by utilizing an auxiliary channel, the existing tunnel pressing-in type construction ventilation three-way air pipe connecting structure is a right-angle connecting structure, bending is easy to occur at an air pipe turning part, the air pipe is broken and extruded seriously by a trolley air pipe, air pressure loss is greatly caused, the ventilation effect is poor, and the energy consumption is high.
Disclosure of Invention
In order to solve the problems that the turning part of the existing tunnel pressing-in type construction ventilation air pipe is easy to bend, high in wind pressure loss, poor in ventilation effect and high in energy consumption, the utility model aims to provide an adjustable low-wind-resistance air pipe connecting structure and an F-shaped pressing-in type ventilation system.
The technical scheme of the utility model is as follows: the utility model provides an adjustable low windage tuber pipe connection structure and F type push-in ventilation system, includes F type cross tunnel construction work area, F type cross tunnel construction work area includes parallel arrangement's tunnel right hole and tunnel left hole, be equipped with the cross tunnel between tunnel right hole and the tunnel left hole, the end of cross tunnel is equipped with the cross tunnel, tunnel right hole and tunnel left hole are equipped with tunnel right hole import and tunnel left hole import respectively, tunnel right hole import and tunnel left hole import department is equipped with frequency conversion axial fan I respectively, frequency conversion axial fan I is connected with soft tuber pipe I, soft tuber pipe I export is towards face I direction, tunnel right hole and tunnel left hole are equipped with two lining platform truck tuber pipe connection structures respectively, be equipped with cross tunnel construction work area ventilation module in the cross tunnel, the utility model provides a cross tunnel construction work area ventilation module includes the frequency conversion axial fan II that cross tunnel exit was equipped with, frequency conversion axial fan II is connected with soft tuber pipe II, soft tuber pipe II is connected with the soft tuber pipe in tunnel left side, the soft tuber pipe in cross tunnel and the soft tuber pipe in tunnel right side respectively, soft tuber pipe II, the soft tuber pipe in cross tunnel, the soft tuber pipe in tunnel left side and the soft tuber pipe in tunnel right side are F type pipeline structure, soft tuber pipe II is equipped with tee bend stereoplasm tuber pipe connection structure with the soft tuber pipe junction in tunnel left side, the soft tuber pipe in cross tunnel is equipped with turning arc stereoplasm tuber pipe connection structure with the soft tuber pipe in tunnel right side, the soft tuber pipe in tunnel left side and the soft tuber pipe in tunnel right side are towards face II respectively.
The three-way hard air pipe connecting structure comprises an air door connected with a tunnel left hole soft air pipe, wherein the air door is sequentially connected with a left turning arc hard air pipe II, a left turning arc hard air pipe I and a gradual change type hard air pipe I, the left turning arc hard air pipe I is connected with the middle of the gradual change type hard air pipe, one end of the gradual change type hard air pipe I is connected with the soft air pipe II, and the other end of the gradual change type hard air pipe I is sequentially connected with a right turning arc hard air pipe, a gradual change type hard air pipe II, the air door and a transverse channel soft air pipe.
The air door comprises a hard shell, an adjustable air door is arranged in the hard shell, a motor is fixedly arranged outside the hard shell, the output end of the motor is connected with a driven wheel, and the driven wheel is rotatably connected with the adjustable air door.
The connecting structure between the hard air pipes is arranged between the left-side turning arc-shaped hard air pipe II and the left-side turning arc-shaped hard air pipe I and comprises a flange and a fastening nut.
The diameter of the soft air pipe II is 2.4m, the diameter of the soft air pipe of the left tunnel of the tunnel is 2m, the diameter of the soft air pipe of the transverse channel is 2m, and the diameter of the soft air pipe of the right tunnel of the tunnel is 2m.
The hard tuber pipe connection structure of turn arc includes the hard arc tuber pipe of turn, the hard arc tuber pipe of turn one end with the soft tuber pipe of horizontal passageway is connected, the other end with the soft tuber pipe in tunnel right side hole is connected, the hard arc tuber pipe of turn with the soft tuber pipe in horizontal passageway, the soft tuber pipe junction in tunnel right side hole is equipped with the fixed lantern ring of stereoplasm and soft tuber pipe respectively.
The utility model provides a two lining platform truck tuber pipe connection structure includes oval cross-section stereoplasm tuber pipe, oval cross-section stereoplasm tuber pipe both ends are connected with gradual change stereoplasm tuber pipe III respectively, gradual change stereoplasm tuber pipe III is connected with soft tuber pipe III, oval cross-section is the tuber pipe ellipse cross-section in oval cross-section of connection stereoplasm tuber pipe one end cross-section of gradual change stereoplasm tuber pipe III connection soft tuber pipe III one end cross-section, oval cross-section stereoplasm tuber pipe passes two lining platform trucks, two lining platform trucks set up along tunnel profile face, soft tuber pipe III one end is connected with the soft tuber pipe of tunnel left side hole stereoplasm tuber pipe or tunnel right side hole stereoplasm tuber pipe.
Jet fans are arranged at the junction of the left tunnel and the transverse tunnel and the junction of the right tunnel and the transverse channel respectively.
Soft tuber pipe I, soft tuber pipe II, the soft tuber pipe of horizontal passageway, the soft tuber pipe in tunnel right hole, tee bend stereoplasm tuber pipe connection structure and turning arc stereoplasm tuber pipe connection structure all hang the vault at the tunnel profile face, the efflux fan hangs the side at the tunnel profile face.
The utility model has the technical effects that: 1. the utility model utilizes a plurality of transverse holes to assist ventilation, including a tunnel left and right hole entrance construction work area and a plurality of transverse hole construction work areas, and adopts pressed ventilation, so that the construction ventilation efficiency is greatly improved, and the construction ventilation system is clear in division of work and scientific and efficient; 2. according to the utility model, through the three-way hard air pipe connecting structure, the arc-shaped hard air pipe connecting structure is adopted on the basis of the right-angle connecting structure of the existing tunnel three-way soft air pipe, so that the air pressure loss can be effectively reduced, and meanwhile, the interfaces of the three-way hard air pipe connecting structure are provided with air doors, so that the air quantity can be dynamically adjusted according to the construction condition of a tunnel face; 3. according to the utility model, when the air pipe rotates to the main hole, the arc-shaped hard air pipes are connected between the soft air pipes, so that the problem of wind pressure loss caused by no arc-shaped multi-bending when the traditional tunnel air pipe turns can be effectively solved; 4. according to the utility model, through the air pipe connecting structure of the two lining trolleys, the circular cross section of the air pipe is changed into the elliptical cross section through the gradual change type air pipe structure, and the soft air pipe and the hard air pipe are connected through the fixed sleeve ring, so that the problem of air pressure loss caused by abrupt change in air pipe diameter and multiple bending when the conventional tunnel air pipe passes through the two lining trolleys can be effectively solved; 5. according to the utility model, the variable diameter structure of the air pipe is connected with the soft air pipes at the two ends by adopting the gradual change type hard air pipe structure, and the variable diameter structure of the air pipe is connected with the soft air pipes at the two ends by the fixed sleeve ring, so that the problem of air pressure loss caused by abrupt change of the diameter of the air pipe of the existing tunnel can be effectively solved; 6. according to the utility model, the jet fans are arranged at the junction of the right tunnel and the transverse passage and the junction of the left tunnel and the transverse passage, so that the entrainment and the boosting effects of the jet fans promote the diffusion of the polluted air, and the air environment in the tunnel is improved.
Further description will be made below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a connection structure for an adjustable low-wind-resistance air duct and an F-shaped forced ventilation system according to the present utility model.
Fig. 2 is a schematic structural view of a cross-hole construction work area according to an embodiment of the present utility model.
FIG. 3 is a schematic diagram of a ventilation system for a cross-hole construction work area according to an embodiment of the present utility model.
Fig. 4 is a schematic diagram of a connection structure of a three-way rigid air duct according to an embodiment of the present utility model.
FIG. 5 is a schematic view of a hard duct connection structure for a curved duct in accordance with an embodiment of the present utility model.
Fig. 6 is a schematic diagram of a hard air duct connection structure according to an embodiment of the present utility model.
FIG. 7 is a schematic view of a damper according to an embodiment of the present utility model.
Fig. 8 is a schematic view of an air duct connection structure according to an embodiment of the present utility model.
Fig. 9 is a schematic view of a wind pipe penetrating trolley according to an embodiment of the present utility model.
Reference numerals: 1-a right tunnel; 2-a left tunnel; 3-entrance of a left tunnel; 4-right tunnel entrance; 5-transverse holes; 6-a transverse channel; 7-F-type cross-hole construction work areas; 8-a variable-frequency axial flow fan I; 9-a soft air pipe I; 10-a face I; 11-a variable-frequency axial flow fan II; 12-a transverse hole construction work area ventilation module; 13-a secondary lining trolley air pipe connecting structure; 14-face II; 15-jet fans; 121-a soft air pipe II; 122-a tunnel left hole soft air pipe; 123-tunnel right hole soft air pipe; 124-three-way hard air pipe connecting structure; 125-turning arc-shaped hard air pipe connecting structure; 126-a transverse channel soft air pipe; 1241-damper; 1242-left turning arc-shaped hard air pipe I; 1243-left turning arc hard air pipe II; 1244-gradual change type hard air pipe I; 1245-right turning arc hard air pipe; 1246-gradual change hard air pipe II; 1247-connecting structure between hard air pipes; 1251-turning hard arc-shaped air pipe; 1252-rigid and flexible air duct fixing collar; 12411-a hard shell; 12412-adjustable throttle, 12413-motor, 12414-driven wheel; 131-soft air pipe III; 132-gradual change type hard air pipe III; 133-elliptical section hard air duct; 134-elliptic section of the air duct; 135-circular section of the air pipe; 136-a second lining trolley; 137-tunnel profile.
Description of the embodiments
Embodiment 1 as shown in fig. 1-3, an adjustable low wind resistance air pipe connection structure and an F-shaped press-in ventilation system comprises an F-shaped cross hole construction work area 7, wherein the F-shaped cross hole construction work area 7 comprises a right tunnel 1 and a left tunnel 2 which are arranged in parallel, a cross channel 6 is arranged between the right tunnel 1 and the left tunnel 2, a cross hole 5 is arranged at the tail end of the cross channel 6, a right tunnel inlet 4 and a left tunnel inlet 3 are respectively arranged at the right tunnel 1 and the left tunnel 2, a variable frequency axial flow fan I8 is respectively arranged at the right tunnel inlet 4 and the left tunnel inlet 3, a soft air pipe I9 is connected to the variable frequency axial flow fan I8, the outlet of the soft air pipe I9 faces the direction of a tunnel face I10, two lining trolley air pipe connection structures 13 are respectively arranged at the right tunnel 1 and the left tunnel 2, a transverse tunnel construction work area ventilation module 12 is arranged in the transverse tunnel 5, the transverse tunnel construction work area ventilation module 12 comprises a variable frequency axial flow fan II 11 arranged at the outlet of the transverse tunnel 5, the variable frequency axial flow fan II 11 is connected with a soft air pipe II 121, the soft air pipe II 121 is respectively connected with a tunnel left soft air pipe 122, a transverse channel soft air pipe 126 and a tunnel right soft air pipe 123, the soft air pipe II 121, the transverse channel soft air pipe 126, the tunnel left soft air pipe 122 and the tunnel right soft air pipe 123 are of F-shaped pipeline structures, a three-way hard air pipe connecting structure 124 is arranged at the joint of the soft air pipe II 121 and the tunnel left soft air pipe 122, a turning arc-shaped hard air pipe connecting structure 125 is arranged at the joint of the transverse channel soft air pipe 126 and the tunnel right soft air pipe 123, the tunnel left soft air pipe 122 and the tunnel right soft air pipe 123 face the tunnel face ii 14 respectively.
The utility model realizes the construction ventilation of 4 working faces in total of the left tunnel 2 and the right tunnel 1 through the transverse tunnel 5, and utilizes a plurality of transverse tunnels 5 for auxiliary ventilation, including a tunnel left and right tunnel entrance construction work area and a plurality of transverse tunnel construction work areas, which all adopt the forced ventilation, so that the division of work is clear, the science and the efficiency are high, and the construction ventilation efficiency is greatly improved.
Embodiment 2 based on embodiment 1, in this embodiment, as shown in fig. 4, preferably, the three-way hard air duct connection structure 124 includes an air door 1241 at a connection position with the tunnel left hole soft air duct 122, the air door 1241 is sequentially connected with a left turning arc hard air duct ii 1243, a left turning arc hard air duct i 1242 and a gradual change hard air duct i 1244, the left turning arc hard air duct i 1242 is connected with the middle part of the gradual change hard air duct 1244, one end of the gradual change hard air duct i 1244 is connected with the soft air duct ii 121, and the other end is sequentially connected with a right turning arc hard air duct 1245, a gradual change hard air duct ii 1246, an air door 1241 and a transverse channel soft air duct 126.
The three-way hard air pipe connecting structure 124 of the utility model adopts the arc-shaped hard air pipe connecting structure of the left turning arc-shaped hard air pipe II 1243, the left turning arc-shaped hard air pipe I1242 and the gradual change hard air pipe I1244 on the basis of the right angle connecting structure of the existing tunnel three-way soft air pipe, can effectively reduce the wind pressure loss, and simultaneously, the interfaces of the three-way hard air pipe connecting structure are provided with the air doors 1241, so that the wind quantity can be dynamically adjusted according to the construction condition of the face.
Embodiment 3 on the basis of embodiment 1 or embodiment 2, in this embodiment, as shown in fig. 7, preferably, the damper 1241 includes a hard housing 12411, an adjustable damper 12412 is disposed in the hard housing 12411, a motor 12413 is fixedly disposed outside the hard housing 12411, an output end of the motor 12413 is connected with a driven wheel 12414, and the driven wheel 12414 is rotatably connected with the adjustable damper 12412.
According to the utility model, the air door 1241 drives the driven wheel 12414 to rotate through the output end of the motor 12413, and further drives the adjustable air door 12412 to rotate, so that the opening and closing of the internal channel of the hard shell 12411 are realized, and the air quantity can be dynamically adjusted according to the construction condition of the face.
Embodiment 4 based on embodiment 1 or embodiment 3, in this embodiment, as shown in fig. 6, preferably, a hard inter-air-duct connection structure 1247 is disposed between the left-side turning arc-shaped hard air duct ii 1243 and the left-side turning arc-shaped hard air duct i 1242, and the hard inter-air-duct connection structure 1247 includes a flange and a fastening nut.
The connecting structure 1247 between the hard air pipes comprises a flange and a fastening nut, and the connecting structure of the flange can realize quick connection and disassembly.
In example 5, in the present embodiment, preferably, the diameter of the soft air duct ii 121 is 2.4m, the diameter of the tunnel left-hole soft air duct 122 is 2m, the diameter of the transverse channel soft air duct 126 is 2m, and the diameter of the tunnel right-hole soft air duct 123 is 2m, based on example 1 or example 4.
According to the utility model, the diameter of the soft air pipe II 121 is 2.4m, the diameter of the soft air pipe 122 of the left tunnel is 2m, the diameter of the soft air pipe 126 of the transverse channel is 2m, the diameter of the soft air pipe 123 of the right tunnel is 2m, and the large-pipe-diameter air supply in the soft air pipe II 121 can effectively meet the air supply requirements of the soft air pipe 122 of the left tunnel and the soft air pipe 123 of the right tunnel.
Embodiment 6 based on embodiment 1 or embodiment 5, as shown in fig. 5, preferably, the turning arc-shaped hard air duct connection structure 125 includes a turning hard arc-shaped air duct 1251, one end of the turning hard arc-shaped air duct 1251 is connected with the transverse channel soft air duct 126, the other end is connected with the tunnel right hole soft air duct 123, and the connection parts of the turning hard arc-shaped air duct 1251, the transverse channel soft air duct 126 and the tunnel right hole soft air duct 123 are respectively provided with a hard and soft air duct fixing collar 1252.
When the air pipe rotates to the main hole, the utility model adopts the turning arc-shaped hard air pipe connecting structure 125 between the soft air pipes, thereby effectively solving the problem of wind pressure loss caused by no arc degree and multiple bending when the conventional tunnel air pipe turns.
Embodiment 7 in this embodiment, as shown in fig. 8 and 9, in this embodiment, preferably, the secondary trolley air duct connection structure 13 includes an oval section hard air duct 133, two ends of the oval section hard air duct 133 are respectively connected with a gradual change hard air duct iii 132, the gradual change hard air duct iii 132 is connected with a soft air duct iii 131, a cross section of one end of the gradual change hard air duct iii connected with the oval section hard air duct 133 is an air duct oval section 134, a cross section of one end of the gradual change hard air duct iii 132 connected with the soft air duct iii 131 is an air duct circular section 135, the oval section hard air duct 133 passes through the secondary trolley 136, and the secondary trolley 136 is disposed along a tunnel contour surface 137, and one end of the soft air duct iii 131 is connected with a tunnel left hole soft air duct 122 or a tunnel right hole soft air duct 123.
According to the air duct connecting structure 13 of the two-lining trolley, the circular cross section of the air duct is changed into the oval cross section through the gradual change type air duct structure, and the soft air duct and the hard air duct are connected through the fixed sleeve ring, so that the problem of air pressure loss caused by abrupt change of the air duct diameter and multiple bending when the traditional tunnel air duct passes through the two-lining trolley can be effectively solved.
Embodiment 8 on the basis of embodiment 1 or embodiment 7, in this embodiment, as shown in fig. 1, preferably, a jet fan 15 is respectively disposed at the intersection of the left tunnel 2 and the transverse tunnel 5, and at the intersection of the right tunnel 1 and the transverse channel 6.
The jet fans 15 are respectively arranged at the junction of the left tunnel 2 and the transverse tunnel 5 and the junction of the right tunnel 1 and the transverse channel 6. The entrainment and boost action of the jet blower 15 promotes the dispersion of the dirty air to improve the exhaust efficiency of the dirty air.
Embodiment 9 based on embodiment 1 or embodiment 8, in this embodiment, as shown in fig. 1, preferably, the soft air duct i 9, the soft air duct ii 121, the cross-channel soft air duct 126, the tunnel right-hole soft air duct 123, the three-way hard air duct connection structure 124 and the turning arc-shaped hard air duct connection structure 125 are all suspended on the dome of the tunnel profile surface 137, and the jet blower 15 is suspended on the side edge of the tunnel profile surface 137.
According to the utility model, the soft air pipe I9, the soft air pipe II 121, the transverse channel soft air pipe 126, the tunnel right hole soft air pipe 123, the three-way hard air pipe connecting structure 124 and the turning arc-shaped hard air pipe connecting structure 125 are all hung on the vault of the tunnel profile surface 137, and the jet fan 15 is hung on the side edge of the tunnel profile surface 137, so that the narrow space in the tunnel can be fully utilized.
The application steps of the utility model specifically include:
s1: a plurality of transverse holes 5 are formed in one side of the tunnel left hole 2, the outlet of each transverse hole 5 is communicated with one side of the tunnel left hole 2, a plurality of transverse channels 6 are formed between the other side of the tunnel left hole 2 and the tunnel right hole 1, a jet fan 15 is arranged at the intersection of the tunnel right hole and the transverse channels, a jet fan 15 is arranged at the intersection of the tunnel left hole and the transverse holes, and variable-frequency axial flow fans II 11 are all located at a position 30m away from the inlet of the transverse holes 5;
s2: soft air pipes II 121 with the inner diameter of the transverse hole 5 being 2.4m, and soft air pipes 122 with the inner diameter of the tunnel left hole 2 being 2m, wherein the soft air pipes 122 with the tunnel left hole are connected at the junction of the tunnel left hole and the transverse hole through a three-way hard air pipe connecting structure 124, 2 outlets of the three-way hard air pipe connecting structure 124 are provided with gradual change type hard air pipes 1246, the diameters of the air pipes are changed from 2.4m to 2m, and air doors 1241 are arranged at 2 interfaces of the three-way hard air pipe connecting structure 124 after the diameter change is finished;
s3: a tunnel right soft air pipe 123 with the inner diameter of the tunnel right hole being 2m and a soft air pipe II 121 with the inner diameter of the transverse channel 6 being 2m are connected at the junction of the tunnel right hole and the transverse channel through a turning arc-shaped hard air pipe connecting structure 125;
s4: the soft air pipe 122 with the inner diameter of the left tunnel and the soft air pipe 123 with the inner diameter of the right tunnel are connected through the three-way hard air pipe connecting structure 124 when passing through the two lining trolleys 13, and the soft air pipe III 131 with the diameter of 2m is gradually changed from a circular section to an elliptical section;
s5: fresh air output by the variable-frequency axial-flow fan II 11 is sent to the junction of the left tunnel 2 and the transverse tunnel 5 through the soft air pipe II 121, the soft air pipe II 121 is respectively connected with the soft air pipe 122 and the right tunnel soft air pipe 123 through the three-way hard air pipe connecting structure 124, and air flows are respectively sent to the tunnel face II 14 of the left tunnel 2 and the right tunnel 1. The left tunnel 2 and the right tunnel 1 are communicated through a transverse channel 6, 1 jet fan 15 is arranged in the transverse channel 6, 1 jet fan 15 is arranged at the junction of the left tunnel 2 and the transverse hole 5, and entrainment and boosting effects of the jet fans 15 promote the diffusion of the sewage wind so as to improve the exhaust efficiency of the sewage wind.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (9)
1. Can regulate and control low windage tuber pipe connection structure and F type push-in ventilation system, its characterized in that: including F type cross hole construction work zone (7), F type cross hole construction work zone (7) are including parallel arrangement's tunnel right hole (1) and tunnel left hole (2), be equipped with horizontal passageway (6) between tunnel right hole (1) and tunnel left hole (2), the end of horizontal passageway (6) is equipped with cross hole (5), tunnel right hole (1) and tunnel left hole (2) are equipped with tunnel right hole import (4) and tunnel left hole import (3) respectively, punishment in tunnel right hole import (4) and tunnel left hole import (3) is equipped with frequency conversion axial fan I (8), frequency conversion axial fan I (8) are connected with soft tuber pipe I (9), soft tuber pipe I (9) export orientation face I (10) direction, tunnel right hole (1) and tunnel left hole (2) are equipped with two car tuber pipe connection structures (13) respectively, be equipped with cross hole construction work zone module (12) in cross hole (5), frequency conversion module (12) are equipped with frequency conversion fan I (8) and are equipped with frequency conversion fan I (121) in the punishment of tunnel right hole import (3), frequency conversion axial fan I (8) are connected with soft tuber pipe I (9), soft tuber pipe I (10) direction towards face I (10), soft tuber pipe II (11 II) are connected, soft tuber pipe (121) are connected Soft tuber pipe in horizontal passageway (126) and tunnel right side hole soft tuber pipe (123), soft tuber pipe II (121), soft tuber pipe in horizontal passageway (126), soft tuber pipe in tunnel left side hole (122) and soft tuber pipe in tunnel right side hole (123) are F pipeline structure, soft tuber pipe II (121) are equipped with tee bend stereoplasm tuber pipe connection structure (124) with soft tuber pipe in tunnel left side hole (122) junction, soft tuber pipe in horizontal passageway (126) are equipped with turn arc stereoplasm tuber pipe connection structure (125) with soft tuber pipe in tunnel right side hole (123) junction, soft tuber pipe in tunnel left side hole (122) and soft tuber pipe in tunnel right side hole (123) are towards face II (14) respectively.
2. The adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system according to claim 1, wherein the adjustable low-wind-resistance air pipe connecting structure is characterized in that: the three-way hard air pipe connecting structure (124) comprises an air door (1241) connected with a soft air pipe (122) of a left hole of a tunnel, the air door (1241) is sequentially connected with a hard air pipe II (1243) of a left turning arc, a hard air pipe I (1242) of a left turning arc and a hard air pipe I (1244) of a gradual change type, the hard air pipe I (1242) of the left turning arc is connected with the middle part of the hard air pipe I (1244) of the gradual change type, one end of the hard air pipe I (1244) of the gradual change type is connected with the soft air pipe II (121), and the other end of the hard air pipe II (1246) of the right turning arc, the air door (1241) of the gradual change type and the soft air pipe (126) of a transverse channel of the gradual change type are sequentially connected.
3. The adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system as claimed in claim 2, wherein: the air door (1241) comprises a hard shell (12411), an adjustable air door (12412) is arranged in the hard shell (12411), a motor (12413) is fixedly arranged outside the hard shell (12411), the output end of the motor (12413) is connected with a driven wheel (12414), and the driven wheel (12414) is rotatably connected with the adjustable air door (12412).
4. The adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system as claimed in claim 2, wherein: a connecting structure (1247) between the hard air pipes is arranged between the left-side turning arc-shaped hard air pipe II (1243) and the left-side turning arc-shaped hard air pipe I (1242), and the connecting structure (1247) between the hard air pipes comprises a flange and a fastening nut.
5. The adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system according to claim 1, wherein the adjustable low-wind-resistance air pipe connecting structure is characterized in that: the diameter of the soft air pipe II (121) is 2.4m, the diameter of the tunnel left-hole soft air pipe (122) is 2m, the diameter of the transverse channel soft air pipe (126) is 2m, and the diameter of the tunnel right-hole soft air pipe (123) is 2m.
6. The adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system according to claim 1, wherein the adjustable low-wind-resistance air pipe connecting structure is characterized in that: turning arc stereoplasm tuber pipe connection structure (125) is including turning stereoplasm arc tuber pipe (1251), turning stereoplasm arc tuber pipe (1251) one end with horizontal passageway soft tuber pipe (126) are connected, the other end with tunnel right side hole soft tuber pipe (123) are connected, turning stereoplasm arc tuber pipe (1251) with horizontal passageway soft tuber pipe (126), tunnel right side hole soft tuber pipe (123) junction punishment do not is equipped with stereoplasm and soft tuber pipe fixed collar (1252).
7. The adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system according to claim 1, wherein the adjustable low-wind-resistance air pipe connecting structure is characterized in that: the utility model provides a two lining platform truck tuber pipe connection structure (13) include oval cross-section stereoplasm tuber pipe (133), oval cross-section stereoplasm tuber pipe (133) both ends are connected with gradual change stereoplasm tuber pipe III (132) respectively, gradual change stereoplasm tuber pipe III (132) are connected with soft tuber pipe III (131), oval cross-section (134) are connected to gradual change stereoplasm tuber pipe III (132) one end cross section, gradual change stereoplasm tuber pipe III (132) are connected soft tuber pipe III (131) one end cross section and are tuber pipe circular cross section (135), oval cross-section stereoplasm tuber pipe (133) pass two lining platform trucks (136), two lining platform trucks (136) set up along tunnel profile (137), soft tuber pipe III (131) one end is connected with tunnel left hole soft tuber pipe (122) or tunnel right hole soft tuber pipe (123).
8. The adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system according to claim 1, wherein the adjustable low-wind-resistance air pipe connecting structure is characterized in that: jet fans (15) are arranged at the junction of the left tunnel (2) and the transverse tunnel (5) and the junction of the right tunnel (1) and the transverse channel (6).
9. The adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system as claimed in claim 8, wherein: soft tuber pipe I (9), soft tuber pipe II (121), horizontal passageway soft tuber pipe (126), tunnel right side hole soft tuber pipe (123), tee bend stereoplasm tuber pipe connection structure (124) and turn arc stereoplasm tuber pipe connection structure (125) all hang the vault at tunnel profile (137), jet fan (15) hang the side at tunnel profile (137).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875549.6U CN220415429U (en) | 2023-07-17 | 2023-07-17 | Adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875549.6U CN220415429U (en) | 2023-07-17 | 2023-07-17 | Adjustable low-wind-resistance air pipe connecting structure and F-shaped press-in ventilation system |
Publications (1)
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