CN115182745A - Single-side wing plate type mechanical diversion open cut tunnel for tunnel in seasonal frozen region and regulation and control method - Google Patents

Single-side wing plate type mechanical diversion open cut tunnel for tunnel in seasonal frozen region and regulation and control method Download PDF

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Publication number
CN115182745A
CN115182745A CN202210833605.3A CN202210833605A CN115182745A CN 115182745 A CN115182745 A CN 115182745A CN 202210833605 A CN202210833605 A CN 202210833605A CN 115182745 A CN115182745 A CN 115182745A
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CN
China
Prior art keywords
wing plate
tunnel
open cut
cut tunnel
openable
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CN202210833605.3A
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Chinese (zh)
Inventor
王瑞
殷珂
胡志平
马甲宽
郑芸昕
任翔
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Changan University
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Changan University
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Priority to CN202210833605.3A priority Critical patent/CN115182745A/en
Publication of CN115182745A publication Critical patent/CN115182745A/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/003—Ventilation of traffic tunnels
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

The invention discloses a unilateral wing plate type mechanical diversion open cut tunnel of a tunnel in a seasonal freezing region and a regulation and control method. The invention adopts a mechanical structure, the wing plate can rotate in compliance with the wind direction under the action of wind power, and the invention has the advantages of convenient operation, no operation energy consumption, extremely low maintenance cost and wide application prospect.

Description

Single-side wing plate type mechanical diversion open cut tunnel for tunnel in seasonal frozen region and regulation and control method
Technical Field
The invention belongs to the field of tunnel freeze injury prevention and control, and particularly relates to a unilateral wing plate type mechanical diversion open cut tunnel for a tunnel in a monsoon freezing area and a regulation and control method.
Background
The seasonal freezing injury problem of the tunnel is a main challenge for traffic tunnels in seasonal freezing areas, the number of tunnels in the seasonal freezing areas increases year by year, the freezing injury problem is endless, and immeasurable economic loss is caused.
The tunnel structure at the near-hole section and the heat exchange between the near-field surrounding rock medium and the air medium are reasons for changing the temperature field at the hole section and inducing various freezing injury problems. The measures for preventing and controlling the freezing damage of the tunnel in the lower freezing area can be divided into passive prevention and control and active prevention and control. The passive prevention and control measure is to lay an insulating layer on the outer side of the tunnel or between the lining and the surrounding rock to isolate heat exchange between external air and a structure or the surrounding rock as much as possible, so that the aim of stabilizing a temperature field is fulfilled. The active prevention and control measure is based on a cold/heat accumulation thought, and the tunnel opening is provided with a heat-preservation open cut tunnel, and an air curtain isolates external cold air to the inside of the tunnel as much as possible, so that the heat preservation of the tunnel opening section is realized.
The traditional heat preservation open cut tunnel is poor in performance in the aspect that external cold air is isolated from entering the tunnel due to the fact that the diversion effect of air cannot be achieved, the heat preservation effect is limited, and the application potential is insufficient.
Disclosure of Invention
The invention aims to overcome the defects and provides a single-side wing plate type mechanical diversion open cut tunnel of a tunnel in a seasonal freezing area and a regulation and control method, which can realize the diversion effect of cold/hot air through a mechanical structure and effectively stabilize the temperature field of the tunnel portal section in the seasonal freezing area.
In order to reach above-mentioned purpose, a district's tunnel unilateral pterygoid lamina formula machinery water conservancy diversion open cut tunnel freezes in season, including open cut tunnel structural framework, open cut tunnel structural framework's top is provided with the top light-passing board, and open cut tunnel structural framework's side is provided with a plurality of vertical pterygoid laminas, and vertical pterygoid lamina includes the pterygoid lamina axostylus axostyle, and the pterygoid lamina axostylus axostyle can rotate in open cut tunnel structural framework's side, is provided with unilateral flange board on the pterygoid lamina axostylus axostyle, and unilateral flange board is transparent material.
Two openable bolt plates are arranged on the wing plate rotating shaft, one is arranged on the outer side of the wing plate rotating shaft, and the other is arranged on the inner side of the wing plate rotating shaft.
The wing plate rotating shaft is provided with a magnet capable of adsorbing the openable and closable bolt plate, and a clamping bolt is arranged below the openable and closable bolt plate on the wing plate rotating shaft.
The upper part and the lower part of the wing plate rotating shaft are both provided with positioning bearings, and the bottom of the wing plate rotating shaft is provided with a bowl-type bearing piece.
The wing plate rotating shaft is provided with a rotation limiting linkage device, the rotation limiting linkage device comprises a rotating rod arranged on the wing plate rotating shaft, the end portion of the rotating rod is provided with a screw rod, and the screw rods on the rotating rods of the adjacent vertical wing plates are connected through the linkage rod.
The open cut tunnel structure frame comprises a plurality of single-frame frames, each single-frame comprises a frame cross beam, frame columns are longitudinally arranged at two ends of each frame cross beam, and the frame cross beams of the adjacent single-frame frames are connected with the frame columns through corresponding longitudinal beams.
A method for regulating and controlling a unilateral wing plate type mechanical diversion open cut tunnel of a tunnel in a freezing region is characterized by comprising the following steps:
in winter, external cold air blows the unilateral wing edge plate, the rotation of the vertical wing plate on the windward side is blocked by the openable bolt plate, the closed state is kept, and the cold air is blocked; meanwhile, the vertical wing plates on the leeward side are driven by cold air to rotate towards the outer side of the open cut tunnel, and the cold air is guided out;
in summer, external hot air blows the unilateral flange plate, the vertical wing plate on the windward side rotates towards the inner side of the open cut tunnel, and the hot air is guided to the open cut tunnel; meanwhile, the rotation of the vertical wing plate on the leeward side is blocked by the openable bolt plate, the closing state is kept, and the overflow of hot air is blocked.
In winter, the bolt plates capable of being opened and closed on the inner sides are opened, the bolt plates capable of being opened and closed on the outer sides are closed, the single-side flange plates are blown by external cold air, the bolt plates capable of being opened and closed on the inner sides block the adjacent single-side flange plates from rotating, the vertical wing plates are kept in a closed state, and the cold air is blocked.
In summer, the openable bolt plates on the inner sides are closed, the openable bolt plates on the outer sides are opened, and when hot wind overflows in the hole, the openable bolt plates on the outer sides block the rotation of the adjacent unilateral flange plates, so that the vertical wing plates are kept in a closed state, and the hot wind overflow is blocked.
Compared with the prior art, the open cut tunnel structure frame is provided with the vertical wing plates on the side face, so that cold/hot air in and out of the tunnel can be guided, cold air can be effectively prevented from entering the tunnel in winter, hot air can be guided into the tunnel in summer, cold input is reduced, heat input is increased, and a temperature field of the tunnel portal section in the seasonal frozen region is effectively stabilized. The invention adopts a mechanical structure, the wing plate can rotate in compliance with the wind direction under the action of wind power, and the invention has the advantages of convenient operation, no operation energy consumption, extremely low maintenance cost and wide application prospect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a frame of the open cut tunnel structure of the present invention;
FIG. 3 is a schematic view of a single frame according to the present invention;
FIG. 4 is a schematic view of a single-sided wing panel according to the present invention;
FIG. 5 is a schematic view of the rotation of the vertical wing panel of the present invention; the initial position is (a) and the rotating position is (b);
FIG. 6 is a schematic view of a rotation limiting linkage of the present invention; the rotating rod is used as the (a) and the linkage rod is used as the (b);
FIG. 7 is a schematic view of the openable latch plate of the present invention;
FIG. 8 is a schematic flow diagram of the present invention; the winter season is (a) and the summer season is (b).
The open cut tunnel structure comprises a frame 1, a frame 2, a single frame 3, frame columns 4, frame beams 5, longitudinal beams 6, top light-transmitting plates 7, vertical wing plates 8, single-side wing edge plates 9, wing plate shaft rods 10, positioning bearings 11, rotation limiting linkage devices 12, rotating rods 13, openable and closable bolt plates 14, magnets 15, clamping bolts 16, bowl-type bearing parts 17, screws 18 and linkage rods.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, 2, 3 and 4, the single-side wing plate type mechanical diversion open cut tunnel for the tunnel in the freezing region comprises an open cut tunnel structure frame 1, wherein the open cut tunnel structure frame 1 comprises a plurality of single-frame frames 2, each single-frame 2 comprises a frame cross beam 4, frame columns 3 are longitudinally arranged at two ends of each frame cross beam 4, and the frame cross beams 4 and the frame columns 3 of the adjacent single-frame frames 2 are connected through corresponding longitudinal beams 5. The top of open cut tunnel structural framework 1 is provided with top light-passing board 6, and the side of open cut tunnel structural framework 1 is provided with a plurality of vertical pterygoid lamina 7, and vertical pterygoid lamina 7 includes pterygoid lamina axostylus axostyle 9, and pterygoid lamina axostylus axostyle 9 can rotate in the side of open cut tunnel structural framework 1, is provided with unilateral flange board 8 on the pterygoid lamina axostylus axostyle 9, and unilateral flange board 8 is transparent material.
Referring to fig. 4, 5 and 7, the wing plate rotating shaft 9 is provided with two openable and closable latch plates 13, one of which is arranged on the outer side of the wing plate rotating shaft 9 and the other is arranged on the inner side of the wing plate rotating shaft 9. The wing plate rotating shaft 9 is provided with a magnet 14 capable of adsorbing the openable bolt plate 13, and a clamping bolt 15 is arranged below the openable bolt plate 13 on the wing plate rotating shaft 9. The upper part and the lower part of the wing plate rotating shaft 9 are both provided with a positioning bearing 10, and the bottom of the wing plate rotating shaft 9 is provided with a bowl-type bearing piece 16.
Referring to fig. 6, a rotation limiting linkage device 11 is arranged on the wing plate rotating shaft 9, the rotation limiting linkage device 11 comprises a rotating rod 12 arranged on the wing plate rotating shaft 9, a screw rod 17 is arranged at the end of the rotating rod 12, and the screw rods on the rotating rods 12 of adjacent vertical wing plates 7 are connected through a linkage rod 18. The rotation limiting linkage device 11 can realize the rotation linkage of the vertical wing plate 7, and can limit the rotation angle of the vertical wing plate 7 within the range of-90 degrees to avoid reverse rotation;
the implementation method of the invention comprises the following steps:
step one, installing a frame structure 1 of a open cut tunnel at a tunnel portal section, wherein a single frame structure 2 consists of frame columns 3 and frame cross beams 4, assembling the frame structure 1 into a space stress system through longitudinal beams 5, respectively arranging one longitudinal beam at the bottoms of the frame columns and at a position 10cm away from the bottoms, and respectively arranging one longitudinal beam at the tops of the frame columns and at a position 10cm away from the tops;
step two, mounting a PVC light-transmitting top plate 6 on the top of the frame structure;
step three, the vertical wing plate 7 consists of a single-side wing plate 8 and a wing plate shaft lever 9, and the single-side wing edge plate 8 made of transparent PVC material is connected with the wing plate shaft lever 9 through screws;
step four, respectively installing positioning bearings 10 at the upper end and the lower end of a wing plate shaft lever 9, welding a rotating lever 12 of a rotation limiting linkage device 11 at a position 10cm below the upper positioning bearing, wherein the lower end part of the wing plate shaft lever 9 is a round head;
step five, installing openable bolt plates 13 on the inner side and the outer side of the lower part of the wing plate shaft lever 9 respectively, realizing the fixation of the openable bolt plates 13 when the openable bolt plates 13 are closed through magnets 14, and keeping the openable bolt plates 13 horizontal through protruded clamping points 15 when in use;
sixthly, mounting bowl-type supporting pieces 16 on the bottom longitudinal beam 5 of the frame column 3 at certain intervals, wherein the intervals are 0.5cm larger than the width of the vertical wing plates 8;
step seven, the lower end of the shaft lever 9 of the wing plate is placed into a bowl-shaped supporting piece 16, and the bearings at the upper end and the lower end are respectively welded to the longitudinal beam 5 at the corresponding height through point contact between the round head at the end part and the supporting piece 16;
step eight, the rotating rod 12 and the linkage rod 18 are movably connected through a screw rod 17, and an independent linkage unit is arranged between the two frame columns 3;
a method for regulating and controlling a unilateral wing plate type mechanical diversion open cut tunnel of a tunnel in a freezing region is characterized by comprising the following steps:
in winter, the bolt plates 13 capable of being opened and closed on the inner side are opened, the bolt plates 13 capable of being opened and closed on the outer side are closed, external cold air blows the single-side flange plates 8, the bolt plates 13 capable of being opened and closed on the inner side block the adjacent single-side flange plates 8 from rotating, and the vertical wing plates 7 are closed to block the cold air; meanwhile, cold air in the tunnel drives the leeward side of the vertical wing plates 7 to rotate towards the outer side of the open cut tunnel, and the cold air in the tunnel is guided out;
in summer, the openable bolt plate 13 on the inner side is closed, the openable bolt plate 13 on the outer side is opened, the external hot air blows the unilateral flange plate 8, the windward side of the vertical wing plate 7 rotates towards the inner side of the open cut tunnel, and hot air is guided to the open cut tunnel; when hot air in the hole overflows, the openable bolt plates 13 on the outer sides block the adjacent unilateral wing edge plates 8 from rotating, so that the vertical wing plates 7 are kept in a closed state, and the overflow of the hot air is blocked.

Claims (9)

1. The utility model provides a unilateral pterygoid lamina formula machinery water conservancy diversion open cut tunnel in district's tunnel freezes in season, a serial communication port, including open cut tunnel structural framework (1), the top of open cut tunnel structural framework (1) is provided with top light-passing board (6), the side of open cut tunnel structural framework (1) is provided with a plurality of vertical pterygoid lamina (7), vertical pterygoid lamina (7) are including pterygoid lamina axostylus axostyle (9), pterygoid lamina axostylus axostyle (9) can rotate in the side of open cut tunnel structural framework (1), be provided with unilateral flange board (8) on pterygoid lamina axostylus axostyle (9), unilateral flange board (8) are transparent material.
2. The unilateral wing plate type mechanical diversion open cut tunnel of the tunnel in the freezing region according to claim 1, characterized in that two openable and closable bolt plates (13) are arranged on the wing plate rotating shaft (9), one is arranged on the outer side of the wing plate rotating shaft (9), and the other is arranged on the inner side of the wing plate rotating shaft (9).
3. The unilateral wing plate type mechanical diversion open cut tunnel of the tunnel in the seasonal frozen region according to claim 1, characterized in that a magnet (14) capable of adsorbing an openable bolt plate (13) is arranged on the wing plate rotating shaft (9), and a blocking bolt (15) is arranged below the openable bolt plate (13) on the wing plate rotating shaft (9).
4. The unilateral wing plate type mechanical diversion open cut tunnel of the tunnel in the freezing region according to claim 1, characterized in that the upper part and the lower part of the wing plate rotating shaft (9) are provided with positioning bearings (10), and the bottom of the wing plate rotating shaft (9) is provided with a bowl type bearing piece (16).
5. The unilateral wing plate type mechanical diversion open cut tunnel of the tunnel in the freezing region according to claim 1, characterized in that a rotation limiting linkage device (11) is arranged on the wing plate rotating shaft (9), the rotation limiting linkage device (11) comprises a rotating rod (12) arranged on the wing plate rotating shaft (9), a screw rod (17) is arranged at the end of the rotating rod (12), and the screw rods on the rotating rods (12) of adjacent vertical wing plates (7) are connected through a linkage rod (18).
6. The single-side wing plate type mechanical diversion open cut tunnel of a tunnel in a freezing region as claimed in claim 1, wherein the open cut tunnel structural frame (1) comprises a plurality of single-frame frames (2), the single-frame frames (2) comprise frame cross beams (4), frame columns (3) are longitudinally arranged at two ends of each frame cross beam (4), and the frame cross beams (4) and the frame columns (3) of the adjacent single-frame frames (2) are connected through corresponding longitudinal beams (5).
7. The method for regulating and controlling the open cut tunnel with the single-side wing plate type mechanical diversion in the tunnel in the seasonal frozen region according to claim 1, is characterized by comprising the following steps of:
in winter, external cold wind blows the unilateral flange plate (8), the rotation of the vertical wing plate (7) on the windward side is blocked by the openable bolt plate (13), the closing state is kept, and the cold wind is blocked; meanwhile, the vertical wing plates (7) on the leeward side are driven by cold air to rotate towards the outer side of the open cut tunnel, and the cold air is guided out;
in summer, external hot air blows the unilateral wing edge plate (8), the vertical wing plate (7) on the windward side rotates towards the inner side of the open cut tunnel, and the hot air is guided to the open cut tunnel; meanwhile, the rotation of the vertical wing plate (7) on the leeward side is blocked by the openable bolt plate (13), the closing state is kept, and the overflow of hot air is blocked.
8. The regulation and control method of the single-side wing plate type mechanical diversion open cut tunnel of the tunnel in the seasonal frozen region according to claim 7, characterized in that in winter, the inner openable bolt plate (13) is opened, the outer openable bolt plate (13) is closed, the single-side wing plate (8) is blown by external cold air, and the inner openable bolt plate (13) blocks the adjacent single-side wing plate (8) from rotating, so that the vertical wing plate (7) is kept in a closed state, and cold air is blocked.
9. The method for regulating and controlling the unilateral wing plate type mechanical diversion open cut tunnel of the tunnel in the seasonal frozen region according to claim 7, wherein in summer, the inner openable bolt plate (13) is closed, the outer openable bolt plate (13) is opened, and when hot air overflows in the tunnel, the outer openable bolt plate (13) blocks the rotation of the adjacent unilateral wing plate (8), so that the vertical wing plate (8) is kept in a closed state, and the overflow of the hot air is blocked.
CN202210833605.3A 2022-07-15 2022-07-15 Single-side wing plate type mechanical diversion open cut tunnel for tunnel in seasonal frozen region and regulation and control method Pending CN115182745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210833605.3A CN115182745A (en) 2022-07-15 2022-07-15 Single-side wing plate type mechanical diversion open cut tunnel for tunnel in seasonal frozen region and regulation and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210833605.3A CN115182745A (en) 2022-07-15 2022-07-15 Single-side wing plate type mechanical diversion open cut tunnel for tunnel in seasonal frozen region and regulation and control method

Publications (1)

Publication Number Publication Date
CN115182745A true CN115182745A (en) 2022-10-14

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ID=83519259

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210833605.3A Pending CN115182745A (en) 2022-07-15 2022-07-15 Single-side wing plate type mechanical diversion open cut tunnel for tunnel in seasonal frozen region and regulation and control method

Country Status (1)

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CN (1) CN115182745A (en)

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