CN115217150A - Suspension type positive accumulated temperature diversion open cut tunnel structure for tunnel in seasonal frozen region, and installation and regulation and control method - Google Patents
Suspension type positive accumulated temperature diversion open cut tunnel structure for tunnel in seasonal frozen region, and installation and regulation and control method Download PDFInfo
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- CN115217150A CN115217150A CN202210831931.0A CN202210831931A CN115217150A CN 115217150 A CN115217150 A CN 115217150A CN 202210831931 A CN202210831931 A CN 202210831931A CN 115217150 A CN115217150 A CN 115217150A
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- 239000000725 suspension Substances 0.000 title claims abstract description 28
- 230000001932 seasonal effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 title abstract description 7
- 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 6
- 238000009825 accumulation Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 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
- 238000003466 welding Methods 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
- 238000007639 printing Methods 0.000 description 1
- 239000002689 soil Substances 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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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a suspension type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal frozen region, and an installation and regulation method, and belongs to the technical field of tunnel freezing damage prevention. The invention realizes the diversion of natural wind through the combined action of the suspension type resetting device, the clamping device with the movable latch, the limiting device with the bearing and the bottom bowl type bearing piece, can adapt to the change of seasons and wind directions, can effectively isolate cold air from entering the tunnel in winter, can guide hot air to enter the tunnel in summer, can increase heat input by reducing cold input, and effectively stabilize the tunnel portal section temperature field in a season freezing area. Aiming at the defect, the invention provides a suspension type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal freezing region, and an installation and regulation method.
Description
Technical Field
The invention belongs to the technical field of tunnel freezing injury prevention and control, and particularly relates to a device for preventing and controlling tunnel freezing injury in a seasonal frozen soil region, and an installation and regulation and control method.
Background
The tunnel is a common structural form in the field of current public transport construction. The seasonal freezing problem of the tunnel is a main challenge facing traffic tunnels in the seasonal freezing area. With the continuous promotion of the construction process of the traffic infrastructure in China, the number of tunnels in the seasonal freezing region increases year by year, the problem of freezing injury is endless, and immeasurable economic loss is caused.
The heat exchange between the near-hole section tunnel structure and the near-field surrounding rock medium and air medium is the reason for changing the temperature field of the hole section and inducing various freezing 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 from entering 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 can not realize the diversion effect of air, and the performance in the aspect of isolating external cold air from entering the tunnel is not good, so that the heat preservation effect is limited, and the application potential is not enough.
Disclosure of Invention
The invention aims to overcome the defects and provides a suspension type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal freezing area, an installation and regulation method, a diversion effect of cold/hot air can be realized through movable wing plates, cold air can be effectively isolated from entering the tunnel in winter, hot air can be guided into the tunnel in summer, and a temperature field at the tunnel entrance section of the tunnel in the seasonal freezing area can be effectively stabilized by reducing cold input and increasing heat input.
In order to achieve the purpose, the suspension type positive accumulated temperature diversion open cut tunnel structure for the tunnel in the seasonal frozen region comprises an open cut tunnel structure frame, wherein the open cut tunnel structure frame comprises longitudinal connecting beams and vertical wing plates;
the longitudinal connecting beams are 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, a shaft lever gear, a limiting bearing and a flange plate, 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 gear is fixed at the upper part of the wing plate shaft lever, the limiting bearing is fixed at the upper part of the wing plate shaft lever and is positioned under the shaft lever gear, the flange plate is fixed at two sides of the wing plate shaft lever, and the flange plate is positioned under the limiting bearing;
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 shaft lever of the wing plate, the upper end of the second expansion head is fixedly connected with the longitudinal connecting beam, the first expansion head and the second expansion head are movably connected 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 cross beams, the upper ends of the frame columns are fixedly connected with the two ends of the frame cross beams respectively, the lower ends of the vertical frame columns are fixedly connected through longitudinal connecting beams, and the frame cross beams are fixedly connected through the 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 lower longitudinal connecting beam is sequentially provided with a plurality of bottom bowl-type bearing pieces, the upper ends of the bottom bowl-type bearing pieces are fixedly connected with the lower ends of the shaft levers of the wing plates, and the lower ends of the bottom bowl-type bearing pieces are rotatably connected with the lower longitudinal connecting beam.
The upper longitudinal coupling beam is provided with a limit groove, and the limit bearing is arranged in the limit groove.
The first expanding head edge is evenly provided with a plurality of first through holes, the second expanding head edge is evenly provided with a plurality of second through holes, and the first through holes and the second through holes are connected in a one-to-one correspondence mode through steel strands.
A mounting method of a suspension type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal frozen region comprises the following steps:
the method comprises the following steps: mounting a open cut tunnel frame structure at the tunnel portal, and assembling the open cut tunnel frame structure into a space stress system through longitudinal connecting beams;
step two: a shaft lever gear and a limiting bearing are fixedly arranged on a wing plate shaft lever of the vertical wing plate from top to bottom in sequence, and flange plates are arranged on two sides of the wing plate shaft lever;
step three: sequentially mounting a suspension device at the lower end of the upper longitudinal connecting beam, fixedly connecting a first expansion head with the upper end of the shaft lever of the wing plate, fixedly connecting a second expansion head with the longitudinal connecting beam, connecting the second expansion head with the first expansion head through a steel strand, and suspending the shaft lever of the wing plate;
step four: install the screens device on vertical company roof beam, set up movable latch inside the screens device, arrange the pterygoid lamina axostylus axostyle in the middle of the screens device for the screens device on the pterygoid lamina axostylus axostyle flushes with axostylus axostyle gear, and movable latch can control axostylus axostyle gear revolve or lock.
Further comprising the steps of:
step five: sequentially mounting 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: sequentially mounting a plurality of bottom bowl-type bearing pieces on a longitudinal connecting beam at the lower part of the connecting frame column, wherein the distance between the bowl-type bearing pieces is consistent with the width of the vertical wing plate, and connecting the bowl-type bearing pieces with the lower end of a shaft lever of the wing plate;
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 suspension type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal frozen region comprises the following steps:
in winter, the movable latches in the clamping device are uniformly fixed to the inner side, the flange plate is blown by external cold air to drive the shaft lever of the wing plate on the windward side to move towards the inner side of the open cut tunnel, the shaft lever of the wing plate is immediately locked by the movable latches to block the cold air, meanwhile, the shaft lever of the wing plate on the leeward side is driven by the cold air to move towards the outer side of the open cut tunnel, and the shaft lever of the wing plate is far away from the movable latches and can freely rotate along with the wind direction to guide the cold air out;
in summer, the movable latches in the clamping device are uniformly fixed to the outer side, the flange plate is blown by external hot air to drive the wing plate shaft lever on the windward side to displace towards the inner side of the open cut tunnel, the wing plate shaft lever is far away from the movable latches and can freely rotate along with the wind direction to guide the hot air to the open cut tunnel, meanwhile, the hot air drives the wing plate shaft lever on the leeward side to displace towards the outer side of the open cut tunnel, and the wing plate shaft lever is locked by the movable latches immediately to prevent the 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 and guide hot air to enter the tunnel in summer by only changing the position of the movable latch, plays the role of regulating and storing heat by surrounding rock media, and can obviously improve the heat insulation effect of the heat insulation open cut tunnel structure.
The working method of the invention realizes the diversion of natural wind through the combined action of the suspension type reset device, the clamping device with the movable clamping teeth, the limiting device with the bearing and the bottom bowl type bearing piece, 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 through 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 a frame of a open cut tunnel structure according to the present invention;
FIG. 2 is a schematic view of a single frame structure according to the present invention;
FIG. 3 is a schematic diagram of a clear hole of the present invention;
FIG. 4 is a schematic view of a vertical wing panel according to the present invention;
FIG. 5 is a schematic view of a first enlarged head structure according to the present invention;
FIG. 6 is a schematic view of a second enlarged head structure according to the present invention;
FIG. 7 is a schematic view of the initial position of the suspension device of the present invention;
FIG. 8 is a schematic view of the rotation of the wing of the suspension device of the present invention;
FIG. 9 is a schematic view of a position limiting device according to the present invention;
FIG. 10 is a schematic view of a locking device according to the present invention;
FIG. 11 is a schematic view of the winter diversion of the present invention;
FIG. 12 is a schematic diagram of summer flow guidance according to the present invention;
the open cut tunnel structure comprises a frame 1, a single frame 2, frame columns 3, frame cross beams 4, longitudinal connecting beams 5, a top light-transmitting plate 6, a vertical wing plate 7, a wing plate shaft rod 8, a first expansion head 9, a shaft rod gear 10, a limit bearing 11, a bowl-type bearing piece 12, a second expansion head 13, a steel strand 14, a limit groove 15, a clamping device 16, a movable clamping tooth 17, a flange plate 18 and a suspension device 19.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, 3 and 4, the suspended positive temperature accumulation and diversion open cut tunnel structure for the tunnel in the seasonal frozen region comprises an open cut tunnel structure frame 1, wherein the open cut tunnel structure frame 1 is composed of a plurality of single frame members 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-type bearing pieces 12 and a limiting groove 15. The single frame 2 is welded through a longitudinal connecting beam 5, a plurality of top light-transmitting plates 6 are welded at the top of the open cut tunnel structure frame 1, the upper ends of a plurality of vertical wing plates 7 are rotatably connected with the upper longitudinal connecting beam 5 through a suspension device 19, the lower ends of the vertical wing plates are welded with a plurality of bottom bowl-type supporting pieces 12, the bottoms of the bottom bowl-type supporting pieces 12 are rotatably connected with the lower longitudinal connecting beam 5, a clamping device 16 and a limiting groove 15 are both welded with the upper longitudinal connecting beam 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, the bottom of each frame column 3 is fixedly connected with a longitudinal connecting beam 5, and the top of each frame beam 4 and the positions 30cm and 40cm away from the top are respectively fixedly connected with the longitudinal connecting beam 5. The longitudinal connecting beam 5 is used for assembling the frame structure 1 into a space stress system.
Vertical pterygoid lamina 7 comprises pterygoid lamina axostylus axostyle 8, axostylus axostyle gear 10, spacing bearing 11 and flange board 18, and pterygoid lamina axostylus axostyle 8 loops through welding installation axostylus axostyle gear 10 and spacing bearing 11 from top to bottom, and adjacent part interval is fixed to be 10cm, and pterygoid lamina axostylus axostyle 8 both sides are through the fixed PVC material printing opacity flange board 18 of screw.
Referring to fig. 5-10, the suspension device 19 comprises a first enlarged head 9, a second enlarged head 13 and steel strands 14, the first enlarged head 9 is welded at the top end of the wing plate shaft lever 8, the diameter of the first enlarged 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 enlarged head 9; the second enlarged head 13 is welded on the upper longitudinal beam 5, the diameter of the second enlarged 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 enlarged head 9 and the second enlarged head 13 from through holes, so that the wing plate shaft lever 8 is suspended to a specified position, the wing plate shaft lever 8 slightly moves upwards when rotating under the suspension of the 8 steel strands 14, and the wing plate shaft lever 8 can return to an initial position under the action of self weight when wind stops.
The bowl-type supporting pieces 12 at the bottom are sequentially arranged on the longitudinal connecting beam 5 at the lower part, the upper ends of the bowl-type supporting pieces are fixedly connected with the bottom end of the shaft rod 8 of the wing plate, the bottom ends of the bowl-type supporting pieces are rotatably connected with the longitudinal connecting beam 5 at the lower part, the distance between the bowl-type supporting pieces 12 is consistent with the width of the vertical wing plate 8, and the positions of the second expansion heads 13 are in one-to-one correspondence with the positions of the second expansion heads.
The clamping device 16 is arranged on the longitudinal connecting beam 5 which is parallel and level to the shaft lever gear 10 and is used for realizing single-side flow guiding, the wing plate shaft lever 8 is positioned in the middle of the clamping device 16, two sides in the clamping device 16 are respectively provided with the movable latch 17, and the movable latches 17 are used for controlling the rotation or locking of the wing plate shaft lever 8; when the cold air drives the wing plate shaft lever 8 at the leeward side to move towards the outer side 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 open cut tunnel, and the wing plate shaft lever 8 can rotate. When the flange plate 18 is blown by the external hot air, the wing plate shaft lever 8 on the windward side is driven to move towards the inner side of the open cut tunnel, the movable latch 17 on the outer side of the inner part is far away from the wing plate shaft lever 8, the wing plate shaft lever 8 can rotate to guide the hot air to the open cut tunnel, meanwhile, the wing plate shaft lever 8 on the leeward side is driven by the hot air 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 outer side of the inner part, so that the hot air is prevented from overflowing.
The limiting groove 15 is arranged on the longitudinal connecting beam 5 which is flush with the limiting bearing 11 and is used for limiting the transverse swing of the limiting bearing 11.
A method for installing a suspension type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal frozen region comprises the following steps:
the method comprises the following steps: installing a cut tunnel frame structure 1 at a tunnel portal, and welding a plurality of single frame structures 2 through a plurality of longitudinal connecting beams 5, thereby assembling the cut tunnel frame structure 1 into a space stress system, wherein the single frame structure 2 consists of two frame columns 3 and a frame cross beam 4, so that the bottom of each frame column 3 is provided with a longitudinal beam, the top of each frame cross beam 4 and the positions 30cm and 40cm away from the top are respectively provided with a longitudinal beam, and the top of the cut tunnel frame structure 1 is provided with a light-transmitting top plate 6 made of PVC material;
step two: a first enlarged head 9, a shaft lever gear 10 and a limiting bearing 11 are sequentially welded and installed on a wing plate shaft lever 8 of a vertical wing plate 7 from top to bottom, the distance between adjacent parts is fixed to be 10cm, the diameter of the first enlarged 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 a position 1cm away from the edge, and a PVC light-transmitting wing edge plate 18 is fixed on the wing plate shaft lever 8 through screws;
step three: bottom bowl-type supporting pieces 12 are arranged on the lower longitudinal beam 5 of the connecting frame column 3 at certain intervals, and the intervals are consistent with the width of the vertical wing plates 8;
step four: corresponding to the position of the bowl-type supporting piece 12, a second enlarged head 13 is welded on the longitudinal connecting beam 5 at the upper part of the connecting frame column 3, the diameter of the second enlarged head 13 is 20cm larger than that of the shaft lever 8 of the wing plate, 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 enlarged head 9 and the second enlarged head 13 are connected through 8 steel stranded wires 14 with the thickness of 0.4cm, and the wing plate shaft lever 8 is suspended to a specified position, so that the bottom bowl-type bearing 12 just supports the wing plate shaft lever 8, and the shaft lever gear 10 and the limit bearing 11 are basically flush with the longitudinal beam respectively;
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 to limit the longitudinal swing of the limiting bearing 11, the transverse displacement of not more than 1cm 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 parallel and level to the shaft lever gear 10, the wing plate shaft lever 8 is positioned in the middle of the clamping device 16, two movable latch teeth 17 are respectively arranged on two sides in the clamping device 16, the height of each movable latch tooth 17 is 10cm, and the distance between each movable latch tooth 17 and the shaft lever gear 10 is 0.1cm.
A method for regulating and controlling a suspension type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal frozen region comprises the following steps:
in winter, referring to fig. 11, the movable latch 17 in the locking device 16 is fixed to the inside, the outside cold air blows the flange plate 18 to drive the wing plate shaft lever 8 on the windward side to move towards the inside of the open cut tunnel, the wing plate shaft lever 8 is locked by the latch 17 immediately to block the cold air, meanwhile, the cold air drives the wing plate shaft lever 8 on the leeward side to move towards the outside of the open cut tunnel, and the shaft lever 8 is far away from the movable latch 17 and can rotate freely along with the wind direction to guide the cold air out.
In summer, referring to fig. 12, the movable latch 17 in the locking device 16 is fixed to the outside in a unified manner, the external hot air blows the flange plate 18 to drive the wing plate shaft lever 8 on the windward side 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 and can rotate freely along with the wind direction to guide the hot air to the open cut tunnel, 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 locked by the movable latch 17 immediately to block the hot air from overflowing.
Claims (9)
1. A suspension type positive accumulated temperature diversion open cut tunnel structure for a tunnel in a freezing region is characterized by comprising an open cut tunnel structure frame (1), wherein the open cut tunnel structure frame (1) comprises longitudinal connecting beams (5) and vertical wing plates (7);
longitudinal connecting beams (5) 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 limiting bearing (11) and a wing edge plate (18), wherein the upper end of the wing plate shaft lever (8) is rotatably 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 is rotatably connected with the 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 limiting bearing (11) is positioned under the shaft lever gear (10), the wing edge plate (18) is fixed at two sides of the wing plate shaft lever (8), and the wing edge plate (18) is positioned under the limiting bearing (11);
the suspension device (19) comprises a first expansion head (9), a second expansion head (13) and a steel strand (14), the lower end of the first expansion head (9) is fixedly connected with the upper end of the wing plate shaft rod (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), movable clamping teeth (17) are arranged in the clamping device (16), and the movable clamping teeth (17) are used for rotating or locking the shaft lever gear (10).
2. The suspended positive temperature accumulation and diversion open cut tunnel structure of the tunnel in the seasonal freezing area as claimed in 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 frame beams (4), the upper ends of the frame columns (3) are respectively fixedly connected with two ends of the frame beams (4), the lower ends of the vertical frame columns (3) are fixedly connected through longitudinal connecting beams (5), and the frame beams (4) are fixedly connected through the longitudinal connecting beams (5).
3. The suspended positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal frozen region as claimed in claim 1, wherein a top light-transmitting plate (6) is arranged on the top of the open cut tunnel structure frame (1).
4. The suspended positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal frozen region according to claim 1, wherein a plurality of bottom bowl type supporting pieces (12) are sequentially arranged at the upper end of the lower longitudinal connecting beam (5), the upper ends of the bottom bowl type supporting pieces (12) are fixedly connected with the lower ends of the wing plate shaft rods (8), and the lower ends of the bottom bowl type supporting pieces (12) are rotatably connected with the lower longitudinal connecting beam (5).
5. The suspended positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal frozen region as claimed in claim 1, wherein the upper longitudinal coupling beam (5) is provided with a limit groove (15), and the limit bearing (11) is arranged in the limit groove (15).
6. The suspended positive temperature accumulation and diversion open cut tunnel structure of the tunnel in the seasonal frozen region as claimed in claim 1, wherein a plurality of first through holes are uniformly arranged along the edge of the first enlarged head (9), a plurality of second through holes are uniformly arranged along the edge of the second enlarged head (13), and the first through holes and the second through holes are connected in a one-to-one correspondence manner through steel strands (14).
7. A method for installing a suspension type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal frozen region is characterized by comprising the following steps of:
the method comprises the following steps: mounting a open cut tunnel frame structure (1) at a tunnel portal, and assembling the open cut tunnel frame structure (1) into a space stress system through a longitudinal connecting beam (5);
step two: a shaft lever gear (10) and a limiting bearing (11) are fixedly arranged on a wing plate shaft lever (8) of the vertical wing plate (7) from top to bottom in sequence, and wing edge 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 a longitudinal connecting beam (5) at the upper part, a first expansion head (9) is fixedly connected with the upper end of a wing plate shaft lever (8), a second expansion head (13) is fixedly connected with the longitudinal connecting beam (5), the second expansion head (13) and the first expansion head (9) are connected through a steel strand (14), and the wing plate shaft lever (8) is suspended;
step four: install screens device (16) on vertical company roof beam (5), set up movable latch (17) in screens device (16) inside, arrange pterygoid lamina axostylus axostyle (8) in the middle of screens device (16) for screens device (16) on pterygoid lamina axostylus axostyle (8) are flushed with axostylus axostyle gear (10), and movable latch (17) can control axostylus axostyle gear (10) and rotate or lock.
8. The method for installing the suspended positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal frozen region according to claim 7, further comprising the following steps:
step five: a plurality of single-frame frames (2) are sequentially arranged on the open cut tunnel frame structure (1), the bottom of each frame column (3) is fixedly connected with a longitudinal connecting beam (5), and the top and the distance from the top of each frame column (3) are respectively fixedly connected with the longitudinal connecting beam (5);
step six: a light-transmitting top plate (6) is arranged at the top of the frame structure (1);
step seven: sequentially mounting a plurality of bottom bowl-type supporting pieces (12) on a longitudinal connecting beam (5) at the lower part of a connecting frame column (3), wherein the distance between every two bowl-type supporting pieces (12) is consistent with the width of a vertical wing plate (8), and connecting the bowl-type supporting pieces (12) with the lower end of a wing plate shaft lever (8);
step eight: a limiting groove (15) is arranged on the longitudinal connecting beam (5), and the wing plate shaft lever (8) is arranged in the middle of the limiting groove (15), so that a limiting bearing (11) on the wing plate shaft lever (8) is flush with the limiting groove (15).
9. A method for regulating and controlling a suspension type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal frozen region is characterized by comprising the following steps of:
in winter, the movable latch (17) in the clamping device (16) is uniformly fixed to the inner side, the outer cold air blows the flange plate (18) to drive the wing plate shaft lever (8) on the windward side to move towards the inner side of the open cut tunnel, the wing plate shaft lever (8) is locked by the movable latch (17) immediately to block the cold air, meanwhile, the cold 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 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, the flange plate (18) is blown by external hot air to drive the windward side wing plate shaft lever (8) to move towards the inner side of the open cut tunnel, the movable latch (17) is far away from the wing plate shaft lever (8), the wing plate shaft lever can rotate freely 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, the wing plate shaft lever (8) is locked by the movable latch (17) immediately, and the hot air is blocked from overflowing.
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| 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 |
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