CN115217150B - Tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in quaternary frozen area, installation and regulation method - Google Patents
Tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in quaternary frozen area, installation and regulation method Download PDFInfo
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- CN115217150B CN115217150B CN202210831931.0A CN202210831931A CN115217150B CN 115217150 B CN115217150 B CN 115217150B CN 202210831931 A CN202210831931 A CN 202210831931A CN 115217150 B CN115217150 B CN 115217150B
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- 239000000725 suspension Substances 0.000 title claims abstract description 35
- 238000009825 accumulation Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title abstract description 6
- 238000007710 freezing Methods 0.000 claims abstract description 16
- 230000008014 freezing Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000001965 increasing effect Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009746 freeze damage Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
The invention discloses a tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in a quaternary freezing zone, and an installation and regulation method, and belongs to the technical field of tunnel freezing injury prevention and control. According to the invention, natural wind is guided through the combined action of the suspension type resetting device, the clamping device with the movable clamping teeth, the limiting device with the bearing and the bowl-shaped supporting piece at the bottom, so that the tunnel can adapt to the change of seasons and wind directions, cold air can be effectively isolated from entering the tunnel in winter, hot air can be guided into the tunnel in summer, the heat input is increased by reducing the cold input, the temperature field of tunnel entrance sections of a frozen region in seasons is effectively stabilized, and the traditional heat preservation open cut tunnel has poor performance in isolating external cold air from entering the tunnel due to the fact that the air guiding effect cannot be realized, so that the heat preservation effect is limited and the application potential is insufficient. Aiming at the defect, the invention provides a tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in a quaternary freezing area, and an installation and regulation method.
Description
Technical Field
The invention belongs to the technical field of tunnel freeze injury control, and particularly relates to a tunnel freeze injury control device in a seasonal frozen soil area, and an installation and regulation method.
Background
Tunnels are a common structural form in the current public transportation construction field. The seasonal freeze injury problem of tunnels is a major challenge faced by traffic tunnels in the season freeze zone. With the continuous promotion of the construction progress of the traffic infrastructure in China, the number of tunnels in the season frozen area is increased year by year, and the problem of freeze injury is endlessly layered, so that immeasurable economic loss is caused.
The heat exchange between the tunnel structure of the near-hole section and the near-field surrounding rock medium and the air medium is the reason for changing the temperature field of the hole section and inducing various freezing injury problems. The measures for preventing and controlling the freezing injury of the tunnel in the current season can be divided into passive prevention and control and active prevention and control. The passive prevention and control measures are to isolate the heat exchange between the outside air and the structure or surrounding rock as far as possible by laying an insulating layer outside the tunnel or between the lining and the surrounding rock, so as to achieve the aim of stabilizing the temperature field. The active prevention and control measures are based on the thought of cold/heat accumulation, and the heat preservation of the tunnel opening section is realized by arranging a heat preservation open cut tunnel and an air curtain at the opening to isolate external cold air from entering the tunnel as much as possible. The traditional thermal insulation open cut tunnel has the defects of limited thermal insulation effect and insufficient application potential because the diversion effect of air cannot be realized, and the performance is poor in isolating the external cold air from entering the tunnel.
Disclosure of Invention
The invention aims to overcome the defects, and provides a tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in a season frozen area, an installation and regulation method, which can realize the diversion effect on cold/hot air through movable wing plates, effectively isolate cold air from entering the tunnel in winter, guide hot air into the tunnel in summer, and effectively stabilize the temperature field of tunnel opening sections in the season frozen area by reducing cold energy input and increasing heat input.
In order to achieve the purpose, the tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in the quaternary frozen area comprises an open cut tunnel structure frame, wherein the open cut tunnel structure frame comprises a longitudinal connecting beam and a vertical wing plate;
the longitudinal connecting beam is arranged at the upper part and the lower part of the open cut tunnel structure frame;
the vertical wing plate comprises a wing plate shaft lever, shaft lever gears, limit bearings and flange plates, wherein the upper end of the wing plate shaft lever is rotationally connected with a longitudinal connecting beam at the upper part through a suspension device, the lower end of the wing plate shaft lever is rotationally connected with a longitudinal connecting beam at the lower part, the shaft lever gears are fixed at the upper position of the wing plate shaft lever, the limit bearings are positioned under the shaft lever gears, the flange plates are fixed at two sides of the wing plate shaft lever, and the flange plates are positioned under the limit bearings;
the suspension device comprises a first expansion head, a second expansion head and a steel strand, wherein the lower end of the first expansion head is fixedly connected with the upper end of the wing plate shaft rod, the upper end of the second expansion head is fixedly connected with the longitudinal connecting beam, the first expansion head is movably connected with the second expansion head through the steel strand, and the second expansion head is positioned right above the first expansion head;
the clamping device is fixedly connected with the upper longitudinal connecting beam, and movable clamping teeth are arranged in the clamping device and used for rotating or locking the shaft lever gear.
The open cut tunnel structure frame comprises a single frame, the single frame comprises two vertical frame columns and frame beams, the upper ends of the frame columns are fixedly connected with the two ends of the frame beams respectively, the lower ends of the vertical frame columns are fixedly connected through longitudinal connecting beams, and the frame beams are fixedly connected through longitudinal connecting beams.
The top of the open cut tunnel structure frame is provided with a top light-transmitting plate.
The upper end of the longitudinal connecting beam at the lower part is sequentially provided with a plurality of bottom bowl-shaped supporting pieces, the upper ends of the bottom bowl-shaped supporting pieces are fixedly connected with the lower ends of the wing plate shaft rods, and the lower ends of the bottom bowl-shaped supporting pieces are rotationally connected with the longitudinal connecting beam at the lower part.
The upper longitudinal connecting beam is provided with a limit groove, and the limit bearing is arranged in the limit groove.
The first enlarged footing is equipped with a plurality of first through-holes along edge department evenly, and the second enlarged footing is equipped with a plurality of second through-hole along edge department evenly, and first through-hole and second through-hole pass through the steel strand wires one-to-one and connect.
A method for installing a tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in a quaternary freezing area comprises the following steps:
step one: installing an open cut tunnel frame structure at a tunnel portal, and assembling the open cut tunnel frame structure into a space stress system through a longitudinal connecting beam;
step two: a wing plate shaft lever of the vertical wing plate is sequentially and fixedly provided with a shaft lever gear and a limit bearing from top to bottom, and wing plate plates are arranged on two sides of the wing plate shaft lever;
step three: a suspension device is sequentially arranged at the lower end of the longitudinal connecting beam at the upper part, the first expansion head is fixedly connected with the upper end of the wing plate shaft lever, the second expansion head is fixedly connected with the longitudinal connecting beam, and the second expansion head is connected with the first expansion head through a steel strand so as to suspend the wing plate shaft lever;
step four: the clamping device is arranged on the longitudinal connecting beam, the movable clamping teeth are arranged inside the clamping device, the wing plate shaft lever is arranged in the middle of the clamping device, the clamping device on the wing plate shaft lever is flush with the shaft lever gear, and the movable clamping teeth can control the shaft lever gear to rotate or lock.
The method also comprises the following steps:
step five: sequentially installing a plurality of single frames on the open cut tunnel frame structure, fixedly connecting a longitudinal connecting beam at the bottom of a frame column, and fixedly connecting a longitudinal connecting beam at the top of the frame column and the position away from the top of the frame column respectively;
step six: a light-transmitting top plate is arranged at the top of the frame structure;
step seven: a plurality of bottom bowl-shaped supporting pieces are sequentially arranged on a longitudinal connecting beam at the lower part of the connecting frame column, the distance between the bowl-shaped supporting pieces is consistent with the width of the vertical wing plate, and the bowl-shaped supporting pieces are connected with the lower end of the wing plate shaft lever;
step eight: and a limiting groove is arranged on the longitudinal connecting beam, and the wing plate shaft lever is arranged in the middle of the limiting groove, so that a limiting bearing on the wing plate shaft lever is flush with the limiting groove.
A method for regulating and controlling a tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in a quaternary freezing area comprises the following steps:
in winter, the movable latch in the clamping device is uniformly fixed to the inner side, external cold air blows the flange plate to drive the windward side wing plate shaft lever to displace towards the inner side of the open cut tunnel, the wing plate shaft lever is immediately locked by the movable latch to block cold air, and meanwhile, the cold air drives the leeward side wing plate shaft lever to displace towards the outer side of the open cut tunnel, and the wing plate shaft lever is far away from the movable latch and can freely rotate along with wind direction to guide the cold air out;
in summer, the movable latch in the clamping device is uniformly fixed to the outer side, external hot air blows the flange plate, the wing plate shaft lever is driven to move towards the inner side of the open cut tunnel, the wing plate shaft lever is far away from the movable latch and can freely rotate along with the wind direction, hot air is guided to the open cut tunnel, meanwhile, the hot air drives the leeward wing plate shaft lever to move towards the outer side of the open cut tunnel, and the wing plate shaft lever is immediately locked by the movable latch to prevent hot air from overflowing.
Compared with the prior art, the invention realizes the diversion of external air through the movable wing plates, can effectively prevent cold air from entering the tunnel in winter only by changing the positions of the movable latch teeth, guides hot air to enter the tunnel in summer, plays the role of regulating heat by surrounding rock mediums, and can obviously improve the heat preservation effect of the heat preservation open cut tunnel structure.
The working method of the invention realizes the diversion of natural wind through the combined action of the suspension type resetting device, the clamping device with the movable clamping teeth, the limiting device with the bearing and the bowl-shaped supporting piece at the bottom, and can adapt to the change of seasons and wind directions. The invention adopts a pure mechanical structure, realizes the reset of the wing plate by self weight, has lower cost, no operation energy consumption and extremely low maintenance cost, and has wide application prospect.
Drawings
FIG. 1 is a schematic diagram of an open cut tunnel structure frame of the present invention;
FIG. 2 is a schematic view of a single frame structure of the present invention;
FIG. 3 is a schematic view of an open cut tunnel according to the present invention;
FIG. 4 is a schematic view of a vertical fin in accordance with the present invention;
FIG. 5 is a schematic view of a first enlarged head according to the present invention;
FIG. 6 is a schematic view of a second enlarged head according to the present invention;
FIG. 7 is a schematic view of an initial position of a suspension device according to the present invention;
FIG. 8 is a rotational schematic view of a suspension wing plate according to the present invention;
FIG. 9 is a schematic view of a spacing device according to the present invention;
FIG. 10 is a schematic diagram of a positioning device according to the present invention;
FIG. 11 is a winter flow diagram of the present invention;
FIG. 12 is a schematic diagram of the present invention for summer flow guidance;
wherein, 1, an open cut tunnel structure frame, 2, a single frame, 3, frame columns, 4, frame beams, 5, a longitudinal connecting beam, 6, a top light-transmitting plate, 7, a vertical wing plate, 8, a wing plate shaft lever, 9, a first expansion head, the device comprises a shaft lever gear, a limit bearing, a bowl-shaped supporting piece, a second enlarged head, a steel strand, a limit groove, a limit device, a clamping device, a movable clamping tooth, a flange plate and a suspension device.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, 3 and 4, a tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in a quaternary freezing area comprises an open cut tunnel structure frame 1, wherein the open cut tunnel structure frame 1 consists of a plurality of single frames 2, a plurality of longitudinal connecting beams 5, a plurality of top light-transmitting plates 6, a plurality of vertical wing plates 7, a suspension device 19, a clamping device 16, a plurality of bottom bowl-shaped supporting pieces 12 and limiting grooves 15. The single frames 2 are welded through the longitudinal connecting beams 5, a plurality of top light-transmitting plates 6 are welded at the top of the open cut tunnel structural frame 1, the upper ends of a plurality of vertical wing plates 7 are rotationally connected with the upper longitudinal connecting beams 5 through suspension devices 19, the lower ends of the vertical wing plates 7 are welded with a plurality of bottom bowl-shaped supporting pieces 12, the bottoms of the bottom bowl-shaped supporting pieces 12 are rotationally connected with the lower longitudinal connecting beams 5, clamping devices 16 and limiting grooves 15 are welded with the upper longitudinal connecting beams 5, and the vertical wing plates 7 can rotate.
Referring to fig. 1, 2 and 3, a single frame 2 is composed of two vertical frame columns 3 and a frame beam 4, a longitudinal connecting beam 5 is fixedly connected to the bottom of each frame column 3, and a longitudinal connecting beam 5 is fixedly connected to the top of each frame beam 4 and 30cm and 40cm away from the top. The longitudinal tie beams 5 are used for assembling the frame structure 1 into a space stressing system.
The vertical wing plate 7 comprises a wing plate shaft lever 8, a shaft lever gear 10, a limit bearing 11 and a flange plate 18, wherein the wing plate shaft lever 8 is provided with the shaft lever gear 10 and the limit bearing 11 by welding from top to bottom in sequence, the distance between adjacent parts is fixed to be 10cm, and two sides of the wing plate shaft lever 8 are fixedly provided with the PVC material light-transmitting flange plate 18 by screws.
Referring to fig. 5-10, the suspension device 19 comprises a first expansion head 9, a second expansion head 13 and a steel strand 14, wherein the first expansion head 9 is welded at the top end of the wing plate shaft lever 8, the diameter of the first expansion head 9 is 10cm larger than that of the wing plate shaft lever 8, and 8 through holes with the inner diameter of 0.5cm are uniformly distributed at the position 1cm away from the edge of the first expansion head 9; the second expansion head 13 is welded on the upper longitudinal beam 5, the diameter of the second expansion head 13 is 20cm larger than that of the wing plate shaft lever 8, and 8 through holes with the inner diameter of 0.5cm are uniformly distributed at the position 1cm away from the edge; 8 steel strands 14 with the thickness of 0.4cm are connected with the first expansion head 9 and the second expansion head 13 from the through hole, so that the wing plate shaft lever 8 is suspended to a designated position, under the suspension of 8 steel strands 14, slight upward movement is generated when the wing plate shaft lever 8 rotates, and when wind stops, the wing plate shaft lever 8 can return to an initial position under the action of dead weight.
The vertical continuous beam 5 of lower part is located in proper order to a plurality of bottom bowl formula support 12, and its upper end and pterygoid lamina axostylus axostyle 8 bottom fixed connection, and the bottom is rotated with the vertical continuous beam 5 of lower part and is connected, and the interval between each bowl formula support 12 is unanimous with the width of vertical pterygoid lamina 8, and the position of second enlarged footing 13 rather than one-to-one.
The clamping device 16 is arranged on the longitudinal connecting beam 5 flush with the shaft lever gear 10 and is used for realizing unilateral flow guide, the wing plate shaft lever 8 is positioned in the middle of the clamping device 16, movable clamping teeth 17 are respectively arranged on two inner sides of the clamping device 16, the movable clamping teeth 17 are used for controlling the wing plate shaft lever 8 to rotate or lock, in the embodiment, when external cold air blows the wing plate 18, the windward side wing plate shaft lever 8 can be driven to move towards the inner side of the open cut tunnel, and the wing plate shaft lever 8 is immediately locked by the movable clamping teeth 17 on the inner side; when the cool air drives the leeward side wing plate shaft lever 8 to displace to the outside of the open cut tunnel, the wing plate shaft lever 8 is far away from the movable latch 17 at the inner side of the inside, and the wing plate shaft lever 8 can rotate. When the external hot air blows the flange plate 18, the wing plate shaft lever 8 on the windward side is driven to move towards the inner side of the open cut tunnel, the wing plate shaft lever 8 is far away from the movable latch 17 on the inner side, the wing plate shaft lever 8 can rotate to guide the hot air to the open cut tunnel, and meanwhile, the hot air drives the wing plate shaft lever 8 on the leeward side to move towards the outer side of the open cut tunnel, and the wing plate shaft lever 8 is immediately locked by the movable latch 17 on the inner side and the outer side, so that the hot air is prevented from overflowing.
The limiting groove 15 is arranged on the longitudinal connecting beam 5 flush with the limiting bearing 11 and is used for limiting the transverse swing of the limiting bearing 11.
A method for installing a tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in a quaternary freezing area comprises the following steps:
step one: the method comprises the steps that an open cut tunnel frame structure 1 is installed at a tunnel portal, a plurality of single frame structures 2 are welded through a plurality of longitudinal connecting beams 5, so that the open cut tunnel frame structure 1 is assembled into a space stress system, as the single frame structure 2 consists of two frame columns 3 and frame beams 4, a longitudinal beam is arranged at the bottom of each frame column 3, a longitudinal beam is respectively arranged at the top of each frame beam 4 and at a distance of 30cm and 40cm from the top, and meanwhile, a PVC light-transmitting top plate 6 is installed at the top of the open cut tunnel frame structure 1;
step two: a wing plate shaft lever 8 of the vertical wing plate 7 is provided with a first expansion head 9, a shaft lever gear 10 and a limit bearing 11 through welding from top to bottom in sequence, the distance between adjacent parts is fixed to be 10cm, the diameter of the first expansion head 9 is 10cm larger than that of the shaft lever 8, 8 through holes with the inner diameter of 0.5cm are uniformly distributed at the position 1cm away from the edge, and a PVC material light-transmitting flange plate 18 is fixed on the wing plate shaft lever 8 through screws;
step three: the bottom bowl-shaped supporting pieces 12 are arranged on the lower longitudinal beams 5 of the connecting frame columns 3 at certain intervals, and the intervals are consistent with the widths of the vertical wing plates 8;
step four: corresponding to the position of the bowl-shaped supporting piece 12, welding a second expansion head 13 on the longitudinal connecting beam 5 connected with the upper part of the frame column 3, wherein the diameter of the second expansion head 13 is 20cm larger than that of the wing plate shaft lever 8, and 8 through holes with the inner diameter of 0.5cm are uniformly distributed at the position 1cm away from the edge;
step five: the first expansion head 9 and the second expansion head 13 are connected through 8 thick steel strands 14 with the thickness of 0.4cm, the wing plate shaft lever 8 is suspended to a designated position, the bottom bowl-shaped supporting piece 12 just supports the wing plate shaft lever 8, and the shaft lever gear 10 and the limit bearing 11 are respectively leveled with the longitudinal direction Liang Jiben;
step six: a limiting groove 15 assembled by steel plates is arranged on the longitudinal connecting beam 5 which is flush with the limiting bearing 11, the longitudinal swing of the limiting bearing 11 is limited, the displacement which is not more than 1cm in the transverse direction is allowed, and the height of the limiting groove 15 is 10cm;
step seven: the clamping device 16 is arranged on the longitudinal connecting beam 5 which is flush with the shaft lever gear 10, the wing plate shaft lever 8 is positioned in the middle of the clamping device 16, two movable clamping teeth 17 are respectively arranged on two sides of the inside of the clamping device 16, the height of each movable clamping tooth 17 is 10cm, and the distance between each movable clamping tooth 17 and the shaft lever gear 10 is 0.1cm.
A method for regulating and controlling a tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in a quaternary freezing area comprises the following steps:
in winter, referring to fig. 11, the movable latch 17 in the clamping device 16 is uniformly fixed to the inner side, external cold air blows the flange plate 18 to drive the windward side wing plate shaft lever 8 to displace towards the inner side of the open cut tunnel, the wing plate shaft lever 8 is immediately locked by the latch 17 to block cold air, meanwhile, the cold air drives the leeward side wing plate shaft lever 8 to displace towards the outer side of the open cut tunnel, and the shaft lever 8 is far away from the movable latch 17 and can freely rotate along with wind direction to guide the cold air.
In summer, referring to fig. 12, the movable latch 17 in the clamping device 16 is uniformly fixed to the outside, and external hot air blows the flange plate 18 to drive the windward side wing plate shaft lever 8 to displace towards the inner side of the open cut tunnel, the wing plate shaft lever 8 is far away from the movable latch 17 and can freely rotate along with wind direction to guide hot air to the open cut tunnel, and meanwhile, the hot air drives the leeward side wing plate shaft lever 8 to displace towards the outer side of the open cut tunnel, and the wing plate shaft lever 8 is immediately locked by the movable latch 17 to prevent hot air from overflowing.
Claims (9)
1. The tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in the quaternary frozen area is characterized by comprising an open cut tunnel structure frame (1), wherein the open cut tunnel structure frame (1) comprises a longitudinal connecting beam (5) and a vertical wing plate (7);
the longitudinal connecting beam (5) is arranged at the upper part and the lower part of the open cut tunnel structure frame (1);
the vertical wing plate (7) comprises a wing plate shaft lever (8), a shaft lever gear (10), a limit bearing (11) and a flange plate (18), wherein the upper end of the wing plate shaft lever (8) is rotationally connected with a longitudinal connecting beam (5) at the upper part through a suspension device (19), the lower end of the wing plate shaft lever (8) is rotationally connected with a longitudinal connecting beam (5) at the lower part, the shaft lever gear (10) is fixed at the upper part of the wing plate shaft lever (8), the limit bearing (11) is positioned under the shaft lever gear (10), the flange plate (18) is fixed at two sides of the wing plate shaft lever (8), and the flange plate (18) is positioned under the limit bearing (11);
the suspension device (19) comprises a first expansion head (9), a second expansion head (13) and a steel strand (14), wherein the lower end of the first expansion head (9) is fixedly connected with the upper end of the wing plate shaft lever (8), the upper end of the second expansion head (13) is fixedly connected with the longitudinal connecting beam (5), the first expansion head (9) and the second expansion head (13) are movably connected through the steel strand (14), and the second expansion head (13) is positioned right above the first expansion head (9);
the clamping device (16) is fixedly connected with the upper longitudinal connecting beam (5), a movable clamping tooth (17) is arranged in the clamping device (16), and the movable clamping tooth (17) is used for rotating or locking the shaft lever gear (10).
2. The tunnel suspension type positive accumulation temperature diversion open cut tunnel structure of a quaternary freezing area according to claim 1, wherein the open cut tunnel structure frame (1) comprises a single frame (2), the single frame (2) comprises two vertical frame columns (3) and a frame cross beam (4), the upper ends of the vertical frame columns (3) are fixedly connected with two ends of the frame cross beam (4) respectively, the lower ends of the vertical frame columns (3) are fixedly connected through longitudinal connecting beams (5), and the frame cross beams (4) are fixedly connected through the longitudinal connecting beams (5).
3. The tunnel suspension type positive accumulation temperature diversion open cut tunnel structure of the quaternary frozen area of claim 1, wherein a top light-transmitting plate (6) is arranged at the top of the open cut tunnel structure frame (1).
4. The tunnel suspension type positive accumulation temperature diversion open tunnel structure of a quaternary freezing area according to claim 1, wherein a plurality of bottom bowl-shaped supporting pieces (12) are sequentially arranged at the upper end of a longitudinal connecting beam (5) at the lower part, the upper end of each bottom bowl-shaped supporting piece (12) is fixedly connected with the lower end of a wing plate shaft lever (8), and the lower end of each bottom bowl-shaped supporting piece (12) is rotatably connected with the longitudinal connecting beam (5) at the lower part.
5. The tunnel suspension type positive accumulation temperature diversion open cut tunnel structure of a quaternary freezing area according to claim 1, wherein a limiting groove (15) is formed in a longitudinal connecting beam (5) at the upper part, and a limiting bearing (11) is arranged in the limiting groove (15).
6. The tunnel suspension type positive accumulation temperature diversion open cut tunnel structure of a quaternary freezing area according to claim 1, wherein a plurality of first through holes are uniformly formed in the edge of the first expansion head (9), a plurality of second through holes are uniformly formed in the edge of the second expansion head (13), and the first through holes and the second through holes are in one-to-one correspondence through steel strands (14).
7. The method for installing the tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in the quaternary freezing area as claimed in claim 1, which is characterized by comprising the following steps:
step one: installing an open cut tunnel structure frame (1) at a tunnel portal, and assembling the open cut tunnel structure frame (1) into a space stress system through a longitudinal connecting beam (5);
step two: a wing plate shaft lever (8) of the vertical wing plate (7) is fixedly provided with a shaft lever gear (10) and a limit bearing (11) from top to bottom in sequence, and wing plate plates (18) are arranged on two sides of the wing plate shaft lever (8);
step three: a suspension device (19) is sequentially arranged at the lower end of the upper longitudinal connecting beam (5), the first expansion head (9) is fixedly connected with the upper end of the wing plate shaft lever (8), the second expansion head (13) is fixedly connected with the longitudinal connecting beam (5), and the second expansion head (13) is connected with the first expansion head (9) through a steel strand (14) to suspend the wing plate shaft lever (8);
step four: the clamping device (16) is arranged on the longitudinal connecting beam (5), the movable clamping teeth (17) are arranged inside the clamping device (16), the wing plate shaft lever (8) is arranged in the middle of the clamping device (16), the clamping device (16) on the wing plate shaft lever (8) is flush with the shaft lever gear (10), and the movable clamping teeth (17) can control the shaft lever gear (10) to rotate or lock.
8. The method for installing a tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in a quaternary freezing area as claimed in claim 7, further comprising the following steps:
step five: a plurality of single frames (2) are sequentially installed on the open cut tunnel structure frame (1), a longitudinal connecting beam (5) is fixedly connected to the bottom of the vertical frame column (3), and the top of the vertical frame column (3) and the position away from the top are respectively fixedly connected with the longitudinal connecting beam (5);
step six: a top light-transmitting plate (6) is arranged at the top of the open cut tunnel structure frame (1);
step seven: a plurality of bottom bowl-shaped supporting pieces (12) are sequentially arranged on a longitudinal connecting beam (5) connected with the lower part of the vertical frame column (3), the space between the bottom bowl-shaped supporting pieces (12) is consistent with the width of the vertical wing plate (7), and the bottom bowl-shaped supporting pieces (12) are connected with the lower ends of the wing plate shaft rods (8);
step eight: the limiting groove (15) is arranged on the longitudinal connecting beam (5), the wing plate shaft lever (8) is arranged in the middle of the limiting groove (15), and the limiting bearing (11) on the wing plate shaft lever (8) is flush with the limiting groove (15).
9. The method for regulating and controlling the tunnel suspension type positive accumulation temperature diversion open cut tunnel structure in the quaternary frozen area according to claim 1, which is characterized by comprising the following steps:
in winter, the movable latch (17) in the clamping device (16) is uniformly fixed on the inner side, external cold air blows a flange plate (18) to drive the windward side wing plate shaft lever (8) to displace towards the inner side of the open cut tunnel, the wing plate shaft lever (8) is immediately locked by the movable latch (17) to block cold air, meanwhile, the cold air drives the leeward side wing plate shaft lever (8) to displace towards the outer side of the open cut tunnel, and the wing plate shaft lever (8) is far away from the movable latch (17) and can freely rotate along with the wind direction to guide the cold air out;
in summer, the movable latch (17) in the clamping device (16) is uniformly fixed to the outer side, external hot air blows the flange plate (18), the windward side wing plate shaft lever (8) is driven to move towards the inner side of the open cut tunnel, the wing plate shaft lever (8) is far away from the movable latch (17), the hot air can freely rotate along with the wind direction, the hot air is guided to the open cut tunnel, meanwhile, the hot air drives the leeward side wing plate shaft lever (8) to move towards the outer side of the open cut tunnel, and the wing plate shaft lever (8) is immediately locked by the movable latch (17) to prevent hot air from overflowing.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145453A (en) * | 1995-09-13 | 1997-03-19 | 董延坤 | Wing plate windmill with valve |
| JP2016011550A (en) * | 2014-06-30 | 2016-01-21 | 清水建設株式会社 | Tunnel construction method |
| CN106523013A (en) * | 2016-11-07 | 2017-03-22 | 重庆大学 | Subway station energy-saving ventilating system driven by natural differential pressure |
| CN109441716A (en) * | 2018-10-10 | 2019-03-08 | 庄伟龙 | A kind of outstanding wing declines the magnetic suspension generator of power speedup dialysis protection |
| CN209639343U (en) * | 2019-03-08 | 2019-11-15 | 阜新小东北食品有限公司 | A kind of dedicated blowing device of freeze tunnel |
| CN211623200U (en) * | 2020-02-23 | 2020-10-02 | 重庆大学 | Ventilation window shutter device structure |
| CN212968591U (en) * | 2020-08-11 | 2021-04-13 | 丽水市康玛电器自动化有限公司 | Intelligent power control switch cabinet |
| CN113586120A (en) * | 2021-08-31 | 2021-11-02 | 淮阴工学院 | Combined hot air jet heat preservation device for cold region tunnel and control method |
| CN216690010U (en) * | 2022-01-20 | 2022-06-07 | 陈丽和 | Building structure convenient to heat dissipation adjusts temperature |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517780A (en) * | 2022-02-09 | 2022-05-20 | 吴鍊 | Waste heat recycling device of air compressor in tunnel |
-
2022
- 2022-07-15 CN CN202210831931.0A patent/CN115217150B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145453A (en) * | 1995-09-13 | 1997-03-19 | 董延坤 | Wing plate windmill with valve |
| JP2016011550A (en) * | 2014-06-30 | 2016-01-21 | 清水建設株式会社 | Tunnel construction method |
| CN106523013A (en) * | 2016-11-07 | 2017-03-22 | 重庆大学 | Subway station energy-saving ventilating system driven by natural differential pressure |
| CN109441716A (en) * | 2018-10-10 | 2019-03-08 | 庄伟龙 | A kind of outstanding wing declines the magnetic suspension generator of power speedup dialysis protection |
| CN209639343U (en) * | 2019-03-08 | 2019-11-15 | 阜新小东北食品有限公司 | A kind of dedicated blowing device of freeze tunnel |
| CN211623200U (en) * | 2020-02-23 | 2020-10-02 | 重庆大学 | Ventilation window shutter device structure |
| CN212968591U (en) * | 2020-08-11 | 2021-04-13 | 丽水市康玛电器自动化有限公司 | Intelligent power control switch cabinet |
| CN113586120A (en) * | 2021-08-31 | 2021-11-02 | 淮阴工学院 | Combined hot air jet heat preservation device for cold region tunnel and control method |
| CN216690010U (en) * | 2022-01-20 | 2022-06-07 | 陈丽和 | Building structure convenient to heat dissipation adjusts temperature |
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