CN111396126B - Tunnel pucking prevention and control system - Google Patents
Tunnel pucking prevention and control system Download PDFInfo
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- CN111396126B CN111396126B CN202010239967.0A CN202010239967A CN111396126B CN 111396126 B CN111396126 B CN 111396126B CN 202010239967 A CN202010239967 A CN 202010239967A CN 111396126 B CN111396126 B CN 111396126B
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- tunnel
- pucking
- rotating mechanism
- prevention
- shell
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/30—Wind motors specially adapted for installation in particular locations
- F03D9/34—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
- F03D9/43—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures using infrastructure primarily used for other purposes, e.g. masts for overhead railway power lines
- F03D9/46—Tunnels or streets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C2/3446—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface
- F04C2/3447—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface the vanes having the form of rollers, slippers or the like
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Abstract
The invention discloses a tunnel pucking prevention and treatment device, a tunnel pucking prevention and treatment system and a tunnel pucking prevention and treatment method. The invention utilizes the piston wind generated by the train running in the tunnel as power to drain water, not only can drain underground water in the deep part of the tunnel invert and relieve the water pressure on the invert, but also has the drainage efficiency related to the train operation frequency, has continuous and stable drainage process, and is more energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to a tunnel bottom heave prevention and control system.
Background
The main reason is that in the soft rock stratum, the inverted arch is too high in water pressure, and meanwhile, accumulated water is too much and cannot be discharged.
The existing inverted arch drainage measures mainly comprise the following measures:
(1) set up the side ditch in tunnel both sides, the side ditch accepts the infiltration that tunnel hoop blind pipe and vertical blind pipe collect and is arranged to the tunnel outside side by side, nevertheless through the side ditch to the tunnel external drainage, the precipitation water level can only reach the side ditch water level, can't discharge invert deep groundwater.
(2) The tunnel center sets up the drain pipe, and in inverted arch filler concrete was arranged in to central drain pipe, the infiltration that tunnel hoop blind pipe and vertical blind pipe colleted was accepted to the lateral ditch and was arranged a part to the tunnel outside, links to each other with central drain pipe through the PVC aqueduct simultaneously, leads to central drain pipe and arranges outside the tunnel with water. The mode can smoothly discharge the seepage water of the tunnel upper structure, but the accumulated water at the bottom of the inverted arch of the tunnel cannot be drained.
Therefore, the existing drainage measures cannot discharge underground water at the deep part of the inverted arch and also cannot solve the problem of bottom heave of the tunnel.
Disclosure of Invention
The invention aims to: to the unable discharge invert deep groundwater that prior art exists, the unable problem of solving the tunnel pucking provides a tunnel pucking prevention and cure system, and this system utilizes piston wind to discharge invert groundwater as power to solve the tunnel pucking problem.
In order to achieve the purpose, the invention adopts the technical scheme that:
a tunnel pucking prevention and treatment device comprises a shell and a rotating mechanism positioned outside the shell, wherein the rotating mechanism faces a train track, a round wheel is eccentrically arranged in the shell, the round wheel is connected with the rotating mechanism through a rotating shaft, a cavity between the shell and the round wheel forms a rotary vane cavity, the round wheel can rotate around the rotating shaft in the rotary vane cavity, and the round wheel is elastically connected with a rotary vane,
the rotary vane cavity is respectively communicated with a first drainage pipe and a second drainage pipe, the water inlet of the first drainage pipe is positioned in an inverted arch of the tunnel and is lower than an underground water level line, and the water outlet of the second drainage pipe is positioned in a side ditch of the tunnel.
The working principle of the invention is as follows: after the train traveles and gets into the tunnel, the piston wind that the train traveles and produces drives slewing mechanism and rotates, slewing mechanism drives the pivot and rotates, the pivot drives the round wheel and rotates, the spinning plate rotates along with the round wheel, the spinning plate receives centrifugal force and elastic force effect, the top and the spinning plate intracavity wall of spinning plate keep in contact with the slip all the time, when the spinning plate anticlockwise rotation, the pressure in the first drain pipe reduces, the pressure in the second drain pipe increases, the groundwater of tunnel invert below is inhaled the spinning plate chamber through first drain pipe, then discharge from the second drain pipe again, realize the invert drainage, thereby prevent and treat the end drum. And after the train leaves the tunnel, the rotating mechanism stops rotating, the bottom heave prevention device stops working, and when the next train enters the tunnel, the bottom heave prevention device continues working, and the process is repeated in a circulating mode.
The invention utilizes the piston wind generated by the train running in the tunnel as power to drain water, not only can drain underground water in the deep part of the tunnel invert and relieve the water pressure on the invert, but also has the drainage efficiency related to the train operation frequency, has continuous and stable drainage process, and is more energy-saving and environment-friendly. Furthermore, the whole set of tunnel bottom heave prevention and control device is directly communicated with the tunnel side ditch, so that the installation and the maintenance are convenient, and civil construction is not needed.
As a preferable scheme of the present invention, the housing is provided with a spiral piece groove, and both ends of the spiral piece groove are provided with the spiral pieces.
In a preferred embodiment of the present invention, the spiral piece is connected to the spiral piece groove by an elastic member.
In a preferred embodiment of the present invention, the elastic member is a spring.
As a preferable scheme of the invention, the diameter of the shell is larger than that of the circular wheel, the distance between the edge of the shell and the edge of the rotor plate cavity is 1mm-2mm, a gap of 1mm-2mm exists between the upper edge/lower edge of the circular wheel and the upper edge/lower edge of the rotor plate cavity, and the rotation of the circular wheel is not resisted by the rotor plate cavity.
As the preferable scheme of the invention, the shell is arranged in the arch wall of the tunnel, so that the installation and the maintenance are convenient, and civil construction is not required.
In a preferred embodiment of the present invention, the rotating mechanism is a fan blade, and a horn cover is disposed outside the fan blade. The loudspeaker cover is equipped with main aspects and tip, and the diameter of main aspects is greater than the tip, and the main aspects is the open end, and the tip is semi-closed end and is equipped with a plurality of trompil, and when the train moves in the tunnel, the amount of wind of blowing in from the main aspects is enough to drive the flabellum and rotate, and the amount of wind of blowing in from the tip is not enough to drive the flabellum and rotate to guarantee that the flabellum can only receive the piston wind of fixed direction and take place to rotate.
As a preferable scheme of the present invention, the present invention includes a plurality of the first drain pipes and a plurality of the second drain pipes, and all of the first drain pipes and the second drain pipes are communicated with the vane rotary cavity.
As a preferable scheme of the invention, the tunnel bottom heave prevention device is made of corrosion-resistant materials, so that the corrosion resistance of the device can be improved, and the service life of the device can be prolonged.
The invention also discloses a tunnel bottom heave prevention and control system which comprises a plurality of tunnel bottom heave prevention and control devices, wherein all the tunnel bottom heave prevention and control devices are arranged at intervals along the longitudinal direction of the tunnel. Through investigation, the position in the tunnel where inverted arch drainage is needed is selected, and a tunnel bottom heave prevention device is arranged at the position to efficiently drain the underground water.
As a preferable scheme of the invention, the tunnel bottom heave prevention device is arranged at the arch walls at two sides of the tunnel, and can effectively discharge underground water at two sides of the tunnel.
The invention also discloses a tunnel bottom heave prevention and control method, and the tunnel bottom heave prevention and control device comprises the following steps:
the method comprises the following steps: drilling downwards in the tunnel, wherein the depth of the drilled hole is smaller than the height of a water column corresponding to the atmospheric pressure in the tunnel;
step two: arranging the circular wheel and the rotary vane in the shell, placing the shell in an arch wall of a tunnel, installing the rotating mechanism on the arch wall and towards a train track, placing one end of the first water drainage pipe at the bottom of the drilled hole, communicating the other end with the rotary vane cavity, placing one end of the second water drainage pipe in a side ditch of the tunnel, and communicating the other end with the rotary vane cavity.
The construction method provided by the invention has the advantages of simple steps, convenience in installation and maintenance, no need of civil construction, short construction time and lower construction cost.
As a preferred scheme of the present invention, when the rotating mechanism is installed, wind speed values generated at different positions of the train in the tunnel during operation are tested, a position with the maximum wind speed is determined, and the rotating mechanism is arranged at the position with the maximum wind speed, so as to improve the drainage efficiency.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) the invention utilizes the piston wind generated by the train running in the tunnel as power to drain water, not only can drain underground water in the deep part of the tunnel invert and relieve the water pressure on the invert, but also has the drainage efficiency related to the train operation frequency, has continuous and stable drainage process, and is more energy-saving and environment-friendly.
(2) The whole set of tunnel bottom heave prevention and control device is directly communicated with the tunnel side ditch, so that the tunnel bottom heave prevention and control device is convenient to install and maintain, does not need civil construction, and has short construction time and lower construction cost.
Drawings
Fig. 1 is a layout view of a tunnel floor heave control apparatus according to the present invention.
Fig. 2 is a front view of a tunnel pucking control apparatus according to the present invention.
Fig. 3 is a side view of a tunnel pucking control apparatus according to the present invention.
Fig. 4 is a schematic structural diagram of the rotating mechanism and the horn cover according to the present invention.
Icon: 1-tunnel, 2-side ditch, 3-inverted arch, 4-underground water level line, 5-shell, 6-first drainage pipe, 7-second drainage pipe, 8-spiral piece cavity, 9-round wheel, 10-spiral piece groove, 11-spiral piece, 12-elastic piece, 13-piston wind direction, 14-rotating shaft, 15-rotating mechanism and 16-horn cover.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-4, a tunnel pucking prevention device comprises a housing 5 and a rotating mechanism 15 located outside the housing 5, in this embodiment, the rotating mechanism 15 is a fan blade, a horn cover 16 is arranged outside the fan blade, the rotating mechanism 15 is installed at the arch wall of the tunnel 1, and the rotating mechanism 15 faces the train track. In fig. 4, the straight line arrow indicates the piston wind direction, and the arc arrow indicates the fan blade rotation direction.
The rotary vane cavity 8 is respectively communicated with a first drainage pipe 6 and a second drainage pipe 7, the water inlet of the first drainage pipe 6 is positioned in the inverted arch 3 of the tunnel 1 and is lower than the underground water level line 4, and the water outlet of the second drainage pipe 7 is positioned in the side ditch 2 of the tunnel 1. As a more preferable embodiment, the number of the first drain pipes 6 and the second drain pipes 7 is multiple, and all the first drain pipes 6 and the second drain pipes 7 are communicated with the spiral piece cavity 8.
A tunnel pucking prevention and treatment system includes a plurality of tunnel pucking prevention and treatment devices, and all tunnel pucking prevention and treatment devices are arranged at both side arch walls of a tunnel 1, and are provided at intervals in the longitudinal direction of the tunnel 1.
A tunnel bottom heave prevention method is a construction tunnel bottom heave prevention device, and comprises the following steps:
the method comprises the following steps: drilling downwards in the tunnel 1, wherein the depth of the drilled hole is smaller than the height of a water column corresponding to the atmospheric pressure in the tunnel 1;
step two: the circular wheel 9 and the rotary vane 11 are arranged in the shell 5, the shell 5 is placed in an arch wall of the tunnel 1, the rotating mechanism 15 (fan blades) is installed on the arch wall and faces a train track, one end of the first drainage pipe 6 is placed at the bottom of a drilled hole, the other end of the first drainage pipe is communicated with the rotary vane cavity 8, one end of the second drainage pipe 7 is placed in the side ditch 2 of the tunnel 1, and the other end of the second drainage pipe is communicated with the rotary vane cavity 8.
Specifically, when the rotating mechanism 15 (fan blade) is installed, the wind speed values generated at different positions of the train in the tunnel 1 during operation are tested, the position with the maximum wind speed is determined, and the rotating mechanism 15 (fan blade) is arranged at the position with the maximum wind speed.
After the train runs into tunnel 1, the fan blade is driven to rotate by the generated piston wind, the fan blade drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the round wheel 9 to rotate, the rotary vane 11 rotates along with the round wheel 9, the rotary vane 11 is subjected to centrifugal force and spring acting force, the top end of the rotary vane 11 always keeps in contact sliding with the inner wall of the rotary vane cavity 8, as shown in fig. 2 and 4, when the piston wind direction 13 is from left to right, the rotary vane 11 rotates anticlockwise, the pressure in the first drainage pipe 6 is reduced, the pressure in the second drainage pipe 7 is increased, underground water below the inverted arch is sucked into the rotary vane cavity 8, then is discharged from the second drainage pipe 7 (the arrow in fig. 2 shows the water flow direction), inverted arch drainage is realized, and bottom heave is prevented. After the train leaves the tunnel, the fan blades stop rotating, the bottom heave prevention device stops working, the next train enters the tunnel, the bottom heave prevention device continues working, and the process is repeated in a circulating mode.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The tunnel pucking prevention and control device is characterized by comprising a shell (5) and a rotating mechanism (15) located outside the shell (5), wherein the shell (5) is installed in an arch wall of a tunnel (1), the rotating mechanism (15) faces a train track, the rotating mechanism (15) is a fan blade, a horn cover (16) is arranged outside the fan blade, a round wheel (9) is eccentrically arranged in the shell (5), the round wheel (9) and the rotating mechanism (15) are connected through a rotating shaft (14), a cavity between the shell (5) and the round wheel (9) forms a rotary vane cavity (8), the round wheel (9) can rotate around the rotating shaft (14) in the rotary vane cavity (8), and a rotary vane (11) is elastically connected to the round wheel (9),
the rotary vane cavity (8) is respectively communicated with a first drainage pipe (6) and a second drainage pipe (7), the water inlet of the first drainage pipe (6) is positioned in an inverted arch (3) of the tunnel (1) and is lower than an underground water level line (4), and the water outlet of the second drainage pipe (7) is positioned in a side ditch (2) of the tunnel (1).
2. A tunnel pucking control device according to claim 1, characterised in that the casing (5) is provided with a rotor groove (10), and both ends of the rotor groove (10) are provided with the rotors (11).
3. A tunnel pucking control device according to claim 2, characterized in that the rotor (11) is connected with the rotor groove (10) by means of an elastic member (12).
4. A tunnel pucking control device according to claim 3, characterised in that the elastic member (12) is a spring.
5. A tunnel pucking control device according to claim 1, characterised in that the distance of the edge of the housing (5) from the edge of the rotor chamber (8) is 1-2 mm.
6. A tunnel pucking control device according to any one of claims 1-5, characterised by comprising a number of said first drain pipes (6) and a number of said second drain pipes (7), all of said first drain pipes (6) and said second drain pipes (7) being in communication with said spiral sheet cavity (8).
7. A tunnel floor heave control system comprising a plurality of tunnel floor heave control apparatuses according to any one of claims 1-6, all of said tunnel floor heave control apparatuses being spaced apart in the longitudinal direction of the tunnel (1).
8. A tunnel floor heave control system according to claim 7, characterised in that the tunnel floor heave control means is arranged at both side arch walls of the tunnel (1).
9. A tunnel floor heave prevention method, characterized in that the tunnel floor heave prevention device as claimed in any one of claims 1 to 6 is constructed, comprising the steps of:
the method comprises the following steps: drilling downwards in the tunnel (1), wherein the depth of the drilled hole is smaller than the height of a water column corresponding to the atmospheric pressure in the tunnel (1);
step two: will round wheel (9) with rotor (11) arrange in casing (5), and will casing (5) are placed in the hunch wall of tunnel (1), will slewing mechanism (15) are installed on the hunch wall and towards the train track, will the one end of first drain pipe (6) is placed the bottom of drilling, the other end with rotor chamber (8) are linked together, will the one end of second drain pipe (7) is placed in side ditch (2) of tunnel (1), the other end with rotor chamber (8) are linked together.
10. A method according to claim 9, wherein the rotating mechanism (15) is installed by testing wind speed values generated at different positions of the train in the tunnel (1) during operation, determining the position where the wind speed is maximum, and setting the rotating mechanism (15) at the position where the wind speed is maximum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010239967.0A CN111396126B (en) | 2020-03-30 | 2020-03-30 | Tunnel pucking prevention and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010239967.0A CN111396126B (en) | 2020-03-30 | 2020-03-30 | Tunnel pucking prevention and control system |
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| CN111396126A CN111396126A (en) | 2020-07-10 |
| CN111396126B true CN111396126B (en) | 2021-09-28 |
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