CN113217085B - Tunnel escape pipeline and construction method thereof - Google Patents
Tunnel escape pipeline and construction method thereof Download PDFInfo
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- CN113217085B CN113217085B CN202110698044.6A CN202110698044A CN113217085B CN 113217085 B CN113217085 B CN 113217085B CN 202110698044 A CN202110698044 A CN 202110698044A CN 113217085 B CN113217085 B CN 113217085B
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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
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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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
- E21F13/00—Transport specially adapted to underground conditions
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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
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/004—Staff transport system
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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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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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
- Y02E10/20—Hydro energy
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Abstract
The invention discloses a tunnel escape pipeline and a construction method thereof, and relates to the technical field of tunnel construction, wherein the escape pipeline comprises a plurality of escape pipe sections, a connecting component, supporting seats and a supply pipeline, wherein the sections are connected end to end, the two ends of each escape pipe section are respectively provided with a connecting section, the connecting component is arranged at the connecting section and is used for connecting two adjacent escape pipe sections, the supporting seats are arranged at the bottoms of the connecting components and are used for supporting the connecting components and the escape pipe sections, adjustable moving devices are arranged on the two sides of the supporting seats along the extending direction of the escape pipe sections, the supply pipeline is arranged on the supporting seats and is arranged along the extending direction of the escape pipe sections, a branch pipeline communicated with the supply pipeline is arranged in the supporting seats, and the branch pipeline is communicated with the escape pipe sections and is used for providing water and air for evacuees; by implementing the technical scheme, the supply of the escape personnel and the water supply in the construction accident in the tunnel can be realized at lower cost, precious rescue time is striven for, and the occurrence of secondary accidents caused by the spreading of dangerous cases is prevented.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a tunnel escape pipeline capable of being quickly moved and assembled for tunnel face construction and supply and escape integration and a construction method thereof.
Background
Along with the rapid development of railways and highways, the scale and difficulty of tunnel construction are also increased, and tunnel collapse accidents also occur continuously, so that escape pipelines are required to be arranged during tunnel construction, and the escape pipelines are arranged to be essential important safety measures for tunnel construction and are used for coping with emergency situations such as tunnel face collapse and door closing accidents, and are convenient for constructors to escape.
The second lining of the tunnel is formed by blasting excavation of the tunnel, and concrete is poured by using a template trolley specially used for the tunnel, and most of the second lining of the tunnel is arc-shaped; the face, also called face, is a term in tunnel construction, i.e. a face where excavation of tunnels (in coal mining, mining or tunnel engineering) is continuously advanced.
Based on the above description, and in combination with the technical findings of the existing tunnel escape pipe, the existing escape pipe has at least the following drawbacks: firstly, the existing escape pipeline arrangement area is between the second lining of the tunnel and the tunnel face, namely the escape pipeline is required to continuously move along with the forward construction of the tunnel face, but the existing escape pipeline moving and assembling process is complicated, and the disassembly, moving and assembling of a plurality of pipe joints are involved, so that the efficiency of the construction process directly influences the tunnel construction power; secondly, the existing escape pipelines are all refined in the aspect of surrounding different escape functions, for example, the compressive strength or the installation accuracy of escape pipe joints are improved, but if collapse accidents occur, precious rescue time is required to be strived for under the premise that the existing rescue technology cannot meet the safety construction, and due to the fact that trapped people only can wait for rescue, the rescue speed is seriously retarded to a certain extent, how to ensure the safety of constructors to avoid dangerous cases is guaranteed, so that the technical problem of urgent study of the technicians in the field is solved.
Disclosure of Invention
Aiming at the technical problems, the invention aims to provide a tunnel escape pipeline, which effectively realizes the integrated arrangement of high-pressure air and water supply lines and escape pipelines in a tunnel, and can realize the supply of the nutrients and water for evacuees in construction accidents in the tunnel at lower cost, thereby striving for valuable rescue time and preventing the occurrence of secondary accidents caused by dangerous cases spreading; secondly, the problems of disorder arrangement, low efficiency, easy loss and the like of the conventional various circuits moving in a carrying and dragging mode in the tunnel can be avoided; thirdly, the escape pipeline is combined to functionally arrange and integrate the type of supply lines, so that the installation accuracy and the construction efficiency can be effectively improved, and the method can be suitable for different tunnel construction conditions.
The technical scheme adopted by the invention is as follows:
tunnel escape pipe, the escape pipe includes:
the escape pipe sections are connected end to end, and the two ends of each escape pipe section are respectively provided with a connecting section;
the connecting assembly is arranged at the connecting section and is used for connecting two adjacent sections of escape pipe sections;
the supporting seat is arranged at the bottom of the connecting component and used for supporting the connecting component and the escape pipe joint, and adjustable moving devices are arranged on two sides of the supporting seat along the extending direction of the escape pipe joint;
the supply pipeline is arranged on the supporting seat and is arranged along the extending direction of the escape pipe joint, a branch pipeline communicated with the supply pipeline is arranged in the supporting seat, and the branch pipeline is communicated with the escape pipe joint and is used for providing water and air for evacuees.
According to the technical scheme, the tunnel escape pipeline is characterized in that an escape pipe joint is erected on a supporting seat through a connecting assembly, and an adjustable moving device is arranged on the supporting seat, so that the supporting seat can be quickly moved and fixed; the connecting component has the function of quickly fixing the adjacent escape pipe joints, can realize quick disassembly, movement and assembly of the escape pipe joints, and improves the installation precision and the construction efficiency of the escape pipe joints; meanwhile, the tunnel escape pipeline integrates the high-pressure air and water supply lines in the tunnel with the escape pipeline, so that the problems of slow construction, easy loss and the like existing in the conventional various lines moving in a carrying and dragging mode in the tunnel are avoided, the supply pipeline is erected on the supporting seat, and the supporting seat has the function of connecting the supply pipeline, so that the high-pressure air and water supply lines can be quickly connected and prolonged; on the other hand makes the supporting seat have the life of fleing and supplies the function of supplying, through set up the branch road pipeline that is linked together with supply line in the supporting seat, can supply for the personnel of fleing in the construction accident and supply water at the key moment, strives for valuable rescue time, prevents that the dangerous case from spreading and bringing into the secondary accident and takes place, provides the safety guarantee for tunnel constructor, has fine application prospect and popularization and use value.
Preferably, the above technical solution, the connection assembly includes:
the lower fastener is fixed on the supporting seat;
the upper fastener is hinged with one end of the lower fastener, and the other end of the upper fastener is fixedly connected with the other end of the lower fastener through a lock catch, so that a clamping space for installing the escape pipe joint is formed between the lower fastener and the lower fastener when the escape pipe joint is locked; according to the technical scheme, the upper fastener and the lower fastener adopt the mode of the anchor ear, so that the escape pipe joint can be quickly detached, moved and assembled, and the tunnel construction efficiency is greatly improved.
In the above technical solution, preferably, the cross sections of the lower fastener and the upper fastener are both semicircular, and an arc-shaped mounting surface adapted to the lower fastener is formed on the upper end surface of the supporting seat, so that the lower fastener is fixed in the arc-shaped mounting surface; therefore, the connecting assembly is erected and installed on the supporting seat through the arc-shaped installation surface at the top of the supporting seat, and the technical scheme is more stable in supporting the escape pipe section and can effectively improve the installation accuracy and the bearing capacity of the escape pipe section relative to the installation of the existing supporting frame.
According to the technical scheme, the connecting assembly preferably further comprises an escape pipe joint connection section, the escape pipe joint connection section is fixed in the clamping space, and two ends of the escape pipe joint connection section are respectively provided with a socket for inserting the connecting section, so that the escape pipe joint can be inserted into the socket through the connecting section to be connected with the escape pipe joint connection section; according to the technical scheme, the escape pipe joint connection section is arranged in the clamping space of the escape pipe joint, on one hand, the escape pipe joint connection installation at two ends of the connecting assembly is facilitated, on the other hand, the branch pipeline installation communicated with the supply pipeline in the supporting seat is facilitated, the branch pipeline is fixed in the escape pipe joint connection section, the communication with the escape pipe joint can be guaranteed, the air tightness and the connection stability of the whole escape pipeline can be guaranteed, and the constructor can escape safely during accidents.
According to the technical scheme, preferably, the bottoms of the lower fastener and the escape pipe joint connection section are provided with the reserved holes for the branch pipelines to pass through, so that the branch pipelines can extend into the escape pipe joint connection section through the reserved holes and are communicated with the escape pipe joint; the design of the branch pipeline of the technical scheme can also play a role in positioning the connecting component, so that the escape pipeline can be accurately positioned and installed.
In the above technical solution, preferably, a three-way connecting piece is disposed in the supporting seat, the supply pipeline includes a plurality of pipeline segments, two connecting ends of the three-way connecting piece are respectively connected with two adjacent pipeline segments, and another connecting end of the three-way connecting piece extends into the connection segment of the escape pipe section through the reserved hole to form the branch pipeline; according to the technical scheme, the three-way connecting piece is directly embedded in the supporting seat, on one hand, the pipeline section of the supply pipeline is convenient to install by connection, on the other hand, the other branch of the three-way connecting piece is embedded, and the branch pipeline extending to the escape pipe joint in the connecting section can be directly formed, so that water and air are provided for escape personnel.
In the above technical solution, preferably, the supply pipeline includes a gas supply line and a water supply line, where the gas supply line and the water supply line are arranged in parallel and are respectively erected on the support seat through the three-way connecting piece; the air supply line and the water supply line are mutually independent and do not affect each other, and each branch pipeline connected with the air supply line and the water supply line is provided with a valve so as to selectively utilize water supply and air supply for evacuees.
Above-mentioned technical scheme is preferable, air feed line and water supply line are equipped with pipeline section and external section respectively, just pipeline section with the tee junction spare passes through socket joint and connects, external section is installed in supply line head and tail end, external section can extend to outside the hole and face respectively to be convenient for realize air feed and water supply, be convenient for realize simultaneously that supply line dismantles fast, removes and assembles.
In the above technical solution, preferably, the adjustable moving device includes a base axle mounted on a supporting seat and a roller mounted on the base axle, and the roller can be adjusted to be lower than the supporting seat or higher than the supporting seat by adjusting the height of the base axle; according to the technical scheme, the two rollers are mutually independent, the base is provided with the positioning sliding chute for the base wheel shafts to slide up and down, and the two base wheel shafts on the two sides can be connected with the lower end or the upper end of the positioning sliding chute in sequence, so that the lower edge of each roller is lower than the supporting seat or higher than the supporting seat; of course, the present invention is not limited thereto, and other hinge-type adjusting structures in the prior art may be employed to adjust the height of the roller.
In the above technical solution, preferably, the supporting seat includes a rigid base and a buffer base fixed to the bottom of the rigid base, and the supply pipeline is mounted on the rigid base; the rigid base has better structural strength and can be used for bearing the connecting component, the escape pipe joint and the supply pipeline; the design of the buffer base ensures that the tunnel escape pipeline is stable in contact with the ground when being fixed, and the buffer base can provide the escape pipe joint and the buffer force of the supply pipeline so as to ensure that the connection of the spliced part is stable.
According to the technical scheme, the escape pipe joint is preferably a steel belt PE corrugated pipe, the steel belt PE corrugated pipe takes high-density Polyethylene (PE) as a matrix, the steel belt with the surface coated with adhesive resin is molded into a wave shape serving as a main supporting structure, and the wave shape and the PE material are wound and compounded into an integral double-wall spiral corrugated pipe. Compared with the common corrugated steel pipe, the inner wall of the steel belt PE corrugated pipe is smooth, and the PE corrugated steel pipe has good wear resistance, corrosion resistance and environmental stress cracking resistance and long service life; meanwhile, the performance and the manufacturing cost of the escape pipelines of tunnels made of different materials are comprehensively considered, and the performance-price ratio of the steel belt PE corrugated pipe is highest.
According to the technical scheme, preferably, the escape trolley is arranged in the escape pipe joints connected end to end, so that an evacuee can move in the escape pipe joints through the escape trolley and escape to a safe area; if the evacuee takes refuge in the escape pipe section for a long time, the valve on the branch pipeline in the escape pipe section of the three-way connecting piece can be opened to obtain water supply and oxygen supply.
According to the technical scheme, preferably, the middle part of each escape pipe section is provided with the escape pipe section reinforcing section, and the escape pipe section reinforcing section is provided with the escape pipe section wheel shaft and the escape pipe section small wheel arranged on the escape pipe section wheel shaft so as to move each escape pipe section in construction.
On the other hand, the invention also provides a construction method for quickly splicing the tunnel escape pipeline, which specifically comprises the following steps:
step S1, positioning a supporting seat: the adjustable moving device is used for adjusting the supporting seat to a moving state, moving the supporting seat to a designated position, and then the adjustable moving device is used for adjusting the supporting seat to a fixed state, so that the supporting seat is fixed on the ground;
s2, installing a connecting assembly, namely installing a lower fastener of the connecting assembly on a supporting seat, so that the lower fastener and a reserved hole on an escape pipe joint connection section are correspondingly installed with the branch pipeline;
s3, installing an escape pipe joint, wherein the escape pipe joint is inserted into a socket of the escape pipe joint connection section through a connection section and is connected with the escape pipe joint connection section, after the escape pipe joints at two ends of the connection assembly are installed, closing an upper fastener, and locking the upper fastener and a lower fastener by using locking fasteners so as to fix the escape pipe joint in the clamping space;
s4, installing a supply pipeline, and mutually butting a pipeline section of the supply pipeline and a three-way connecting piece on the supporting seat in a socket joint mode;
sequentially repeating the steps S1 to S4, and erecting escape pipe joints and supply pipelines from one side of the secondary lining to one side of the face section by section;
and finally, connecting the external section of the supply pipeline to the outside of the tunnel and the tunnel face to finish the installation of the tunnel escape pipeline.
According to the technical scheme, quick disassembly, movement and assembly between the escape pipe joint and the supply pipe can be synchronously realized, along with the increase of the safety step distance between the second lining and the face of the tunnel, when the single tunnel escape pipe is elongated and cannot meet the construction operation requirement, the support seat and the connecting component can be added, the escape pipe can be quickly moved and assembled, the requirement of the safety step distance between the second lining and the face of the tunnel is met, the connecting component adopts the structural design that the hoop connecting piece formed by the lower fastener and the upper fastener is combined with the escape pipe joint connection section, the escape pipe joint connection is ensured to be safe and reliable, the three-way connecting piece is ensured to be installed through the escape pipe joint connection section, the supply pipe can directly supply water and oxygen to the escape pipe joint, the problems of low existing installation efficiency and easy damage of the supply pipe are avoided, and meanwhile, water and air can be provided for evacuees.
The invention has at least the following beneficial effects:
1. the tunnel escape pipeline is formed by splicing a plurality of sections of escape pipe sections which are connected end to end, and the joints are supported by the supporting seat and connected by the connecting assembly, so that the problem that the construction operation requirement cannot be met even if a single tunnel escape pipeline is elongated can be effectively solved, meanwhile, the supporting seat is provided with the adjustable moving device, and the single section of escape pipe section is provided with the escape pipe section small wheels, so that the transportation and the splicing of the escape pipe sections are greatly facilitated, the rapid movement and the splicing of the escape pipeline can be realized, and the construction efficiency is greatly improved.
2. The tunnel escape pipeline adopts the integrated arrangement of the high-pressure air and water supply lines and the escape pipeline in the tunnel, so that the problems of messy arrangement, low efficiency, easy loss and the like existing in the conventional manner that various lines are moved in the tunnel by adopting the carrying and dragging modes are solved, and the functional arrangement and integration of the type of supply lines are realized by combining the escape pipeline, thereby realizing the supply and water supply in the escape pipeline with lower cost, providing valuable rescue time for evacuees and preventing the occurrence of secondary accidents caused by the spreading of dangerous situations.
3. The supply pipeline frame in the tunnel escape pipeline is preferably erected on the supporting seat through the three-way connecting piece in the supporting seat, the pipeline section of the supply pipeline is connected with the three-way connecting piece in a socket joint mode, the arrangement is orderly, the splicing mode is rapid, the disassembly is rapid, the water supply and the gas supply effects of the supply pipeline in the construction process are realized, meanwhile, the supply pipeline can also realize that the evasion staff in the emergency support escape pipeline in the construction accident is enough to supply oxygen and water, so that the constructor can safely escape when the accident happens, and the structure design is simple, ingenious and reasonable, does not greatly increase the construction cost, and has very important popularization and use values.
4. One of the supporting seats in the tunnel escape pipeline has the functions of quick movement and fixation through the adjustable moving device; the second supporting seat adopts a design of combining a rigid base with a buffer base, has the functions of bearing a connecting assembly, an escape pipe joint and a supply pipeline, and can ensure that the connection of the escape pipe joint and the connection assembly part of the supply pipeline is stable; the three pre-buried three-way connecting pieces of the supporting seat are convenient for the connection and installation of the pipeline section of the supply pipeline, and can also directly form a branch pipeline extending into the connection section of the escape pipe section for providing water and air for escape personnel.
5. According to the tunnel escape pipe, the escape pipe joint connection section is arranged in the clamping space of the escape pipe joint, so that on one hand, the escape pipe joints at two ends of the connecting assembly are conveniently connected and arranged, on the other hand, the branch pipe which is communicated with the supply pipeline in the supporting seat is conveniently arranged, the branch pipe is fixed in the escape pipe joint connection section, the communication with the escape pipe joint can be ensured, and the air tightness and the connection stability of the whole escape pipe can be ensured, so that constructors can safely escape when an accident happens.
In summary, the tunnel escape pipeline and the construction method thereof adopt the integrated arrangement design of the high-pressure air and water supply lines and the escape pipeline in the tunnel, so that the quick disassembly, movement and assembly between the escape pipe joint and the supply pipeline can be realized, the installation precision and the construction efficiency are effectively improved, and the tunnel escape pipeline is suitable for different tunnel construction conditions; meanwhile, the method can realize the supply of the life of the constructor and the water supply in the construction accident in the tunnel with lower cost, create a good escape environment in the escape tunnel, and need precious rescue time, and can effectively save the life of the constructor at the key moment, so that the method has good application prospect and important popularization and use value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic plan view of a tunnel escape pipe according to an embodiment of the present invention;
FIG. 2 is a schematic installation view of two adjacent sections of escape pipe sections of a tunnel escape pipe according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a tunnel escape pipe according to an embodiment of the present invention;
FIG. 4 is a schematic view illustrating the installation of the supporting base and the connecting assembly according to the embodiment of the present invention;
fig. 5 is a schematic view of a single escape pipe section in an embodiment of the present invention.
In the figure: 1-escape pipe sections; 2-an escape pipe joint reinforcing section; a 3-connection assembly; 4-a supporting seat; 5-a line section of the supply line; 6-an external section of the supply line; 7-escape pipe joint small wheels; 8-a roller; 9-an escape pipe joint connection section; 10-a rigid base; 11-a buffer base; 12-three-way connection; 13-a fastener rotating shaft; 14-locking; 15-an escape pipe joint wheel shaft; 16-a base axle; 17-fastening; 18-lower fastener; 19-a socket; 20-an escape trolley; 21-an escape pipe joint connecting section.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
As shown in fig. 1 to 5, this embodiment provides a tunnel escape pipe, this escape pipe includes a plurality of sections end to end's between tunnel secondary lining and the face of fleing pipe section 1, coupling assembling 3, supporting seat 4 and supply pipeline of setting up, wherein the both ends of fleing pipe section 1 are provided with link 21 respectively, coupling assembling 3 locates link 21 department for connect two adjacent sections of fleing pipe section 1, also be used for the link 21 of fleing pipe section 1 at both ends of head and tail simultaneously, supporting seat 4 sets up in coupling assembling 3 bottom, be used for supporting coupling assembling 3 and fleing pipe section 1, and the both sides of supporting seat 4 along the direction of extension of fleing pipe section 1 are provided with adjustable mobile device, can realize the removal and the fixed of supporting seat 4, combine supporting seat 4 and coupling assembling 3 can realize quick dismantlement, removal and the assembly between fleing pipe section 1.
The escape pipeline is arranged in an integrated manner by a supply pipeline and the escape pipeline in the tunnel, the supply pipeline is mounted on the supporting seat 4 and is arranged along the extending direction of the escape pipe joint 1, a branch pipeline communicated with the supply pipeline is arranged in the supporting seat 4 and is communicated with the escape pipe joint 1 so as to be used for providing water and air for evacuees, on one hand, the problems that the conventional various circuits are moved in the tunnel in a carrying and dragging mode and are slow in construction, easy to wear and the like are avoided, and on the other hand, the supply pipeline is erected on the supporting seat 4, the supporting seat 4 has the function of connecting the supply pipeline, and high-pressure air and water supply circuits can be quickly connected and prolonged; on the other hand makes supporting seat 4 have the life function of supplying for fleing, through set up the branch road pipeline that is linked together with supply line in supporting seat 4, can supply for the personnel of fleing in the construction accident and supply with water at the key moment, strives for valuable rescue time, prevents that the dangerous case from spreading and bringing into secondary accident emergence, provides the safety guarantee for tunnel constructor.
In some embodiments, as shown in fig. 4, the connecting component 3 includes a lower fastener 18 and an upper fastener 17, where the lower fastener 18 is fixed on the supporting seat 4, and the fixing manner may be welding or bolting or other fixing manners, the right end of the upper fastener 17 is hinged with the right end of the lower fastener 18 through a fastener rotating shaft 13, and the left end of the upper fastener 17 is fixedly connected with the left end of the lower fastener 18 through a lock catch 14, so that a clamping space for installing the escape pipe section 1 is formed between the lower fastener 18 and the lower fastener 18 when locking; in the embodiment, the upper fastener 17 and the lower fastener 18 adopt the mode of hoops, so that the escape pipe joint 1 can be quickly disassembled, moved and assembled, and the tunnel construction efficiency is greatly improved.
As a preference of this embodiment, the cross sections of the lower fastener 18 and the upper fastener 17 are both semicircular, so that the clamping space forms a circular structure adapted to the cross section of the escape pipe section 1, the fastener rotating shaft 13 between the lower fastener 18 and the lower fastener 18 is located above the supporting seat 4 and away from the supporting seat 4, and the lock catch 14 is located above the supporting seat 4 and close to the supporting seat 4, so as to facilitate locking; in addition, an arc-shaped mounting surface matched with the lower fastener 18 is formed on the upper end surface of the supporting seat 4, so that the lower fastener 18 is fixed in the arc-shaped mounting surface, and the connection stability between the connecting assembly 3 and the supporting seat 4 is ensured; therefore, the connecting assembly 3 is erected and installed on the supporting seat 4 through the arc-shaped installation surface at the top of the supporting seat 4, and compared with the installation of the existing supporting frame, the escape pipe joint 1 is supported more stably, and meanwhile the installation accuracy and the bearing capacity of the escape pipe joint 1 can be effectively improved.
In some embodiments, the connection assembly 3 further includes an escape pipe joint connection section 9, the escape pipe joint connection section 9 is fixed in the clamping space, the fixing manner may be welding or through bolt connection or embedded connection or other connection manners, and two ends of the escape pipe joint connection section 9 along the extending direction of the escape pipe joint 1 are respectively provided with a socket 19 into which a connection section 21 of the escape pipe joint 1 is inserted, so that the escape pipe joint 1 can be inserted into the socket 19 through the connection section 21 to be connected with the escape pipe joint connection section 9, and the connection stability of the escape pipe joint 1 is ensured; the embodiment is provided with the escape pipe joint connection section 9 in the clamping space of the escape pipe joint 1, so that on one hand, the escape pipe joint 1 at two ends of the connecting component 3 is convenient to connect and install, and on the other hand, more importantly, the branch pipeline which is communicated with the supply pipeline in the supporting seat 4 is convenient to install, the branch pipeline is fixed in the escape pipe joint connection section 9, the communication with the escape pipe joint 1 can be ensured, the air tightness and the connection stability of the whole escape pipeline can be ensured, and the constructor can safely escape during accidents.
In order to facilitate the matching installation of the connecting component 3 and the branch pipeline, the bottom of the lower fastener 18 and the escape pipe joint connection section 9 is provided with a preformed hole for the branch pipeline to pass through, so that the branch pipeline can extend into the escape pipe joint connection section 9 through the preformed hole and be communicated with the escape pipe joint 1; the design of branch pipeline in this embodiment also can play the positioning action to coupling assembling 3, realizes the accurate positioning installation of escape pipeline, and this structural design is ingenious reasonable.
In some embodiments, the adjustable moving device comprises a base wheel axle 16 mounted on the supporting seat 4 and a roller 8 mounted on the base wheel axle 16, a positioning chute for the base wheel axle 16 to slide up and down can be arranged on the base, the positioning chute can be a U-shaped chute with different heights, the height of the base wheel axle 16 can be adjusted to adjust the roller 8 to be lower than the supporting seat 4 or higher than the supporting seat 4, in the process of assembling the escape pipe joint 1, the base wheel axle 16 is adjusted to the upper end of the positioning chute so that the lower edge of the roller 8 is lower than the bottom surface of the supporting seat 4, the roller 8 is provided to move the supporting seat 4 to a specified position, and the base wheel axle 16 is adjusted to the upper end of the positioning chute again so that the lower edge of the roller 8 is higher than the bottom surface of the supporting seat 4, and the supporting seat 4 is fixed on the bottom surface; in this embodiment, the two rollers 8 are independent from each other, and can be connected with the base wheel shafts 16 on both sides in sequence to be placed at the lower end or the upper end of the positioning chute, so as to adjust the lower edge of the rollers 8 to be lower than the supporting seat 4 or higher than the supporting seat 4; of course, the height of the roller 8 can be adjusted by other adjusting structures in the prior art; the base wheel shafts 16 on two sides of the supporting seat 4 can be coaxially fixed, a driving mechanism and a transmission structure are arranged in the base to drive the base wheel shafts 16 to move up and down, and the transmission structure can be a gear rack structure, a worm gear structure or a screw rod screw sleeve structure so as to realize the movement of the base wheel shafts 16 in the vertical direction.
In some embodiments, the support base 4 comprises a rigid base 10 and a buffer base 11 fixed to the bottom of the rigid base 10, and the supply line is mounted on the rigid base 10; the rigid base 10 in the embodiment has better structural strength and can be used for bearing the connecting component 3, the escape pipe joint 1 and the supply pipeline; the design of the buffer base 11 ensures that the tunnel escape pipeline is stable in contact with the ground when being fixed, and on the other hand, the buffer base can provide buffer force for the escape pipe joint 1 and the supply pipe line so as to ensure that the connection of the spliced part is stable.
In some embodiments, the escape pipe joint 1 is a steel belt PE corrugated pipe, the steel belt PE corrugated pipe takes high density Polyethylene (PE) as a matrix, and the steel belt with the surface coated with adhesive resin is molded into a wave shape as a main supporting structure, and is wound and compounded with PE materials to form a whole double-wall spiral corrugated pipe. Compared with the common corrugated steel pipe, the inner wall of the steel belt PE corrugated pipe is smooth, and the PE corrugated steel pipe has good wear resistance, corrosion resistance and environmental stress cracking resistance and long service life; meanwhile, the performance and the manufacturing cost of the escape pipelines of tunnels made of different materials are comprehensively considered, and the performance-price ratio of the steel belt PE corrugated pipe is highest.
As shown in fig. 5, an escape trolley 20 is arranged in the escape pipe section 1 connected end to end, so that an evacuee can move in the escape pipe section 1 through the escape trolley 20 to escape to a safety area; if the evacuee takes refuge in the escape pipe section 1 for a long time, the valve on the branch pipeline in the escape pipe section 1 can be opened by the three-way connecting piece 12 so as to obtain water supply and oxygen supply; in some embodiments, the middle part of each escape pipe section 1 is provided with an escape pipe section reinforcing section 2, and an escape pipe section wheel shaft 15 and an escape pipe section small wheel 7 arranged on the escape pipe section wheel shaft 15 are arranged on the escape pipe section reinforcing section 2 so as to move each escape pipe section 1 in construction.
Example two
The second embodiment is substantially the same as the first embodiment except that: as shown in fig. 1 to 4, the present embodiment further provides a tunnel escape pipe, in order to facilitate installation of a supply pipe, in this embodiment, a tee joint connector 12 is disposed in the support seat 4, the supply pipe includes a plurality of pipe segments 5, in the illustrated embodiment, the pipe segments 5 are the same as the escape pipe segments 1 and are disposed in parallel, wherein two connection ends of the tee joint connector 12 are the same as the extension direction of the supply pipe, so that two connection ends of the tee joint connector 12 are respectively connected with two adjacent pipe segments 5, and the other connection end of the tee joint connector 12 extends into a connection segment 9 of the escape pipe segment through a preformed hole to directly form a branch pipe, in this embodiment, the tee joint connector 12 can be directly embedded in the support seat 4, without site installation in the construction process, on one hand, connection installation of the pipe segments 5 of the supply pipe is facilitated, and air tightness of the supply pipe is ensured. On the other hand, the other branch of the pre-buried three-way connecting piece 12 of the embodiment can directly form a branch pipeline extending into the escape pipe joint connection section 9, so as to provide water and air for escape personnel.
The supply pipeline provided by the embodiment comprises an air supply line and a water supply line, wherein the air supply line and the water supply line are arranged in parallel and are respectively erected on the support seat 4 through a three-way connecting piece 12 arranged on the support seat 4, so that two preformed holes are respectively arranged on each escape pipe joint connection section 9 and are respectively used for installing branch pipelines connected with the air supply line and the water supply line; the air supply line and the water supply line are mutually independent and do not affect each other, and each branch pipeline connected with the air supply line and the water supply line is provided with a valve so as to selectively utilize water supply and air supply for evacuees; of course, the present invention is not limited thereto, and other lines may be added to the supply line, so as to supply water and oxygen to the evacuee, and it is within the scope of the present invention to install the supply line on the escape pipe through the three-way connection 12 to avoid various lines being placed on the ground.
In addition, in the illustrated embodiment, the air supply line and the water supply line are respectively provided with a pipeline section 5 and an external section 6, and the pipeline section 5 and the three-way connecting piece 12 are connected in a socket joint manner so as to be convenient for installation, and of course, screw connection can also be adopted; the external section 6 is arranged at the head end and the tail end of the supply pipeline and is respectively connected with the tee joint connecting piece 12 on the support seat 4 at the head end and the tail end of the escape pipeline in a socket connection mode, and the external section 6 can be respectively extended to the outside of the hole and the face so as to conveniently realize gas supply and water supply, and simultaneously, the supply pipeline can be conveniently and rapidly disassembled, moved and assembled.
Fig. 2 shows a schematic installation diagram of two adjacent sections of escape pipe sections 1 of a tunnel escape pipe, and according to the present invention, the embodiment further provides a construction method for quickly splicing the tunnel escape pipe, wherein the two sections of escape pipe sections 1 and a supply pipeline are erected section by section from one side of a secondary lining to one side of a tunnel face, and the method specifically comprises the following steps:
step S1, positioning a supporting seat 4: the adjustable moving device is used for adjusting the supporting seat 4 to a moving state, and specifically, the height of the base wheel shaft 16 is adjusted, so that the lower edge of the roller 8 is lower than the bottom surface of the supporting seat 4; moving the supporting seat 4 to a designated position, adjusting the supporting seat 4 to a fixed state by using an adjustable moving device, and specifically adjusting the height of the base wheel shaft 16 to ensure that the lower edge of the roller 8 is higher than the bottom surface of the supporting seat 4, so that the supporting seat 4 is fixed on the ground;
step S2, installing the connecting component 3, and installing the lower fastener 18 of the connecting component 3 on the supporting seat 4, so that the lower fastener 18 and the reserved hole on the escape pipe joint connection section 9 are correspondingly installed with the branch pipeline; specifically, a preformed hole on the lower fastener 18 penetrates through the branch pipeline to be fixed on the supporting seat 4;
s3, installing the escape pipe joint 1, inserting the escape pipe joint 1 into a socket 19 of the escape pipe joint connection section 9 through a connection section 21 to be connected with the escape pipe joint connection section 9, closing an upper fastener 17 after the escape pipe joint 1 at two ends of the connection assembly 3 is installed, and locking the upper fastener 17 and a lower fastener 18 by using a lock catch 14 so as to fix the escape pipe joint 1 in a clamping space;
step S4, installing a supply pipeline, and mutually butting a pipeline section 5 of the supply pipeline and a three-way connecting piece 12 on the supporting seat 4 in a socket joint mode;
sequentially repeating the steps S1 to S4, and erecting escape pipe joints 1 and supply pipelines section by section from one side of the secondary lining to one side of the face;
finally, the external section 6 of the supply pipeline is connected with the three-way connecting pieces 12 at the head end and the tail end of the escape pipeline in a socket joint mode and then is connected with the outside of the tunnel and the face, so that the installation of the tunnel escape pipeline is completed.
After the tunnel is constructed for a period of time, the distance between the secondary lining and the tunnel face is kept relatively fixed, and the total erection length of the escape pipeline reaches the maximum value; along with the pushing of the construction working face, the escape pipe joint 1, the connecting component 3, the supporting seat 4, the supply pipeline and the like at the tail end (close to the secondary lining side) of the escape pipeline need to be disassembled, moved and assembled to the head end (close to the face side),
the embodiment also provides a disassembly process of the tunnel escape pipeline: disassembling the tail end supply pipeline external section 6, opening the upper fastener 17 of the tail end (close to the secondary lining side) escape pipe section, disassembling the tail end (close to the secondary lining side) escape pipe section 1, disassembling the tail end (close to the secondary lining side) supply pipeline section 5 of the pipeline, and leaving the escape pipe section 1 fastener and the escape pipe section connection section 9 on the supporting seat 4 without disassembly;
the embodiment also provides a moving process of the tunnel escape pipeline: the height of the base wheel shaft 16 on the supporting seat 4 is adjusted, the lower edge of the roller 8 is lower than the bottom surface of the supporting seat 4, the supporting seat 4 is moved to a designated position (comprising a fastener of the escape pipe joint 1 and a connecting section 9 of the escape pipe joint), the escape pipe joint 1 is moved to the designated position by utilizing the small wheel 7 of the escape pipe joint, and other accessories are manually carried to the designated position.
In summary, the tunnel escape pipeline of the embodiment has at least the following advantages: the escape pipe sections 1 are spliced, and are supported by the supporting seat 4 and connected by the connecting component 3 at the splicing position, so that the problem that the extension of a single tunnel escape pipe cannot meet the construction operation requirement can be effectively solved, meanwhile, the supporting seat 4 is provided with an adjustable moving device, and the single escape pipe section 1 is provided with the escape pipe section small wheels 7, so that the escape pipe section 1 is convenient to carry and splice, the quick movement and splicing of the escape pipe can be realized, and the construction efficiency is greatly improved; the two escape pipelines are integrally arranged by adopting high-pressure air and water supply lines and the escape pipelines in the tunnel, so that the problems of messy arrangement, low efficiency, easy loss and the like of the conventional various lines in the tunnel are solved, the functional arrangement and integration of the type of the supply lines are realized by combining the escape pipelines, the supply and water supply in the escape pipelines can be realized at low cost, valuable rescue time is striven for the evacuees, the lives of constructors can be effectively saved at key moments, secondary accidents caused by the spread of dangerous cases are prevented, and the escape pipeline has huge social benefit and economic benefit, so that the escape pipeline has good application prospect and important popularization and application value and is suitable for popularization and application.
The specification and figures are to be regarded in an illustrative rather than a restrictive sense, and one skilled in the art, in light of the teachings of this invention, may make various substitutions and alterations to some of its features without the need for inventive faculty, all being within the scope of this invention.
Claims (9)
1. The tunnel escape pipeline is characterized in that: the escape pipe includes:
the escape pipe sections are connected end to end, and the two ends of each escape pipe section are respectively provided with a connecting section;
the connecting assembly is arranged at the connecting section and is used for connecting two adjacent sections of escape pipe sections;
the supporting seat is arranged at the bottom of the connecting component and used for supporting the connecting component and the escape pipe joint, and adjustable moving devices are arranged on two sides of the supporting seat along the extending direction of the escape pipe joint;
the supply pipeline is arranged on the supporting seat and is arranged along the extending direction of the escape pipe joint, a branch pipeline communicated with the supply pipeline is arranged in the supporting seat, and the branch pipeline is communicated with the escape pipe joint and is used for providing water and air for evacuees;
the three-way connecting piece is arranged in the supporting seat, the supply pipeline comprises a plurality of pipeline sections, two connecting ends of the three-way connecting piece are respectively connected with two adjacent pipeline sections, and the other connecting end of the three-way connecting piece forms the branch pipeline.
2. The tunnel escape canal according to claim 1, characterized in that: the connecting assembly comprises:
the lower fastener is fixed on the supporting seat;
the upper fastener, the one end of upper fastener with the one end of lower fastener is articulated, the other end of upper fastener pass through the hasp with the other end fixed connection of lower fastener, so that when locking, form down between fastener and the lower fastener and be used for installing the centre gripping space of pipe section of fleing.
3. The tunnel escape canal according to claim 2, characterized in that: the connecting assembly further comprises an escape pipe joint connection section, the escape pipe joint connection section is fixed in the clamping space, and two ends of the escape pipe joint connection section are respectively provided with a socket for the insertion of the connecting section, so that the escape pipe joint can be inserted into the socket through the connecting section and connected with the escape pipe joint connection section.
4. The tunnel escape canal according to claim 1, characterized in that: the supply pipeline comprises a gas supply line and a water supply line, and the gas supply line and the water supply line are arranged in parallel and respectively erected on the supporting seat through the three-way connecting piece.
5. The tunnel escape canal according to claim 4, wherein: the air supply line and the water supply line are respectively provided with a pipeline section and an external section, the pipeline section is connected with the three-way connecting piece through socket joint, the external section is arranged at the head end and the tail end of the supply pipeline, and the external section can be respectively extended to the outside of the hole and the face.
6. The tunnel escape canal according to any one of claims 1-5, wherein: and an escape trolley is arranged in the escape pipe joints which are connected end to end.
7. The tunnel escape canal according to any one of claims 1-5, wherein: the adjustable moving device comprises a base wheel shaft arranged on the supporting seat and a roller arranged on the base wheel shaft, and the roller can be lower than the supporting seat or higher than the supporting seat by adjusting the height of the base wheel shaft.
8. The tunnel escape canal according to any one of claims 1-5, wherein: the supporting seat comprises a rigid base and a buffer base fixed at the bottom of the rigid base, and the supply pipeline is arranged on the rigid base.
9. A construction method for quickly splicing the tunnel escape pipeline according to any one of claims 1 to 8, which is characterized in that: the method comprises the following steps:
step S1, positioning a supporting seat: the adjustable moving device is used for adjusting the supporting seat to a moving state, moving the supporting seat to a designated position, and then the adjustable moving device is used for adjusting the supporting seat to a fixed state, so that the supporting seat is fixed on the ground;
s2, installing a connecting assembly, namely installing a lower fastener of the connecting assembly on a supporting seat, so that the lower fastener and a reserved hole on an escape pipe joint connection section are correspondingly installed with the branch pipeline;
s3, installing an escape pipe joint, wherein the escape pipe joint is inserted into a socket of the escape pipe joint connection section through a connection section and is connected with the escape pipe joint connection section, after the escape pipe joints at two ends of the connection assembly are installed, closing an upper fastener, and locking the upper fastener and a lower fastener by using locking fasteners so as to fix the escape pipe joint in a clamping space;
s4, installing a supply pipeline, and mutually butting a pipeline section of the supply pipeline and a three-way connecting piece on the supporting seat in a socket joint mode;
sequentially repeating the steps S1 to S4, and erecting escape pipe joints and supply pipelines from one side of the secondary lining to one side of the face section by section;
and finally, connecting the external section of the supply pipeline to the outside of the tunnel and the tunnel face to finish the installation of the tunnel escape pipeline.
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| CN210660192U (en) * | 2019-08-09 | 2020-06-02 | 浙江恒则熙交通科技有限公司 | Tunnel escape pipeline |
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| JP2514165B2 (en) * | 1994-02-21 | 1996-07-10 | 章 大竹 | Evacuation capsule |
| CN2825957Y (en) * | 2005-06-06 | 2006-10-11 | 周良勇 | Ventilating water supply pipe for emergency |
| CN102330564B (en) * | 2011-08-23 | 2015-04-29 | 宜昌市公路管理局 | Pipeline escape system in tunnel construction accident |
| CN104975874B (en) * | 2015-07-09 | 2016-10-12 | 中铁城建集团有限公司 | A kind of escape way of the constructing tunnel landslide being easy to escape |
| CN206694067U (en) * | 2017-04-28 | 2017-12-01 | 成都市德容建筑劳务有限公司 | A kind of push pipe with pipe for escaping |
| CN206785423U (en) * | 2017-05-27 | 2017-12-22 | 云南公投建设集团隧道工程有限公司 | A kind of pipe for escaping with escape car |
| CN207048814U (en) * | 2017-07-16 | 2018-02-27 | 贾志远 | A kind of New type corrugated steel pipe passway for escaping |
| CN208416604U (en) * | 2018-07-10 | 2019-01-22 | 天津润木科技有限公司 | A kind of tunnel pipe for escaping ready-package connector |
| CN109386304A (en) * | 2018-12-24 | 2019-02-26 | 长安大学 | A kind of pipe for escaping of globality and airtightness enhancing |
| CN209277935U (en) * | 2018-12-26 | 2019-08-20 | 长安大学 | A kind of attachment device and tunnel pipe for escaping for tunnel pipe for escaping |
| CN110067593B (en) * | 2019-06-05 | 2024-03-22 | 中交一公局海威工程建设有限公司 | Tunnel escape pipeline |
| CN210113382U (en) * | 2019-06-26 | 2020-02-25 | 中交一公局第一工程有限公司 | External tunnel pipeline connecting device that flees |
| CN110259505A (en) * | 2019-07-08 | 2019-09-20 | 杭州中筑交通科技有限公司 | A kind of tunnel pipe for escaping multifunctional jointing device |
| CN111691914A (en) * | 2020-07-17 | 2020-09-22 | 浙江恒则熙交通科技有限公司 | Practical emergency escape pipeline vehicle device in tunnel |
| CN112796826B (en) * | 2020-12-30 | 2023-07-21 | 长安大学 | Tunnel escape pipe without fan blades and capable of ventilating and design method |
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| CN210660192U (en) * | 2019-08-09 | 2020-06-02 | 浙江恒则熙交通科技有限公司 | Tunnel escape pipeline |
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