CN113235331A - Ballastless track of heavy haul railway tunnel group and construction method thereof - Google Patents
Ballastless track of heavy haul railway tunnel group and construction method thereof Download PDFInfo
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- CN113235331A CN113235331A CN202110596000.2A CN202110596000A CN113235331A CN 113235331 A CN113235331 A CN 113235331A CN 202110596000 A CN202110596000 A CN 202110596000A CN 113235331 A CN113235331 A CN 113235331A
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- detection
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
- E01B23/10—Shiftable tracks for heavy loads, e.g. carrying excavators
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
- E01B23/10—Shiftable tracks for heavy loads, e.g. carrying excavators
- E01B23/14—Fastening or joining means
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model relates to a ballastless track of a heavy haul railway tunnel group and a construction method thereof, relating to the technical field of ballastless tracks, comprising a concrete base, a plurality of track plates and two rows of steel rails, wherein the track plates are provided with fasteners for compressing two sides of the steel rails, and the fasteners are provided with bolts which are in threaded connection with the track plates; the upper end surfaces of two ends of the track plate are respectively provided with a pre-buried pipe, the end surfaces of the two ends are respectively provided with a detection pipe in an inward extending manner, one end of the detection pipe, which is positioned in the track plate, is bent upwards to be provided with an extension pipe communicated with the lower end of the pre-buried pipe, and the other end of the detection pipe is bent downwards to be provided with a transparent observation pipe; the lower extreme of observation tube sets up elastic gasbag, and the gasbag can be dismantled and connect in the observation tube to the splendid attire has the detection liquid that has the colour in the gasbag. This application shifts to the change that detects liquid in the observation tube through the displacement change with the not hard up production of bolt, makes whether not hard up of judgement fastener that maintainer can be accurate to realize the accurate maintenance of fastener.
Description
Technical Field
The application relates to the field of ballastless tracks, in particular to a ballastless track of a heavy haul railway tunnel group and a construction method thereof.
Background
The ballastless track is a track structure which adopts integral foundations such as concrete, asphalt mixture and the like to replace a loose gravel track bed, and is also called ballastless track. The ballastless track avoids splashing of the railway ballast, and has the advantages of good smoothness, good stability, long service life, good durability and less first-level maintenance work.
Chinese patent CN202247541U discloses a plate-type ballastless track structure, which comprises two parallel steel rails, wherein two cloth-one film sliding layers, a concrete foundation bed, a mortar cushion layer and a track plate are sequentially arranged below the steel rails from bottom to top, two sides of the track plate are respectively provided with a retaining shoulder, and each steel rail is respectively installed in the corresponding retaining shoulder on the track plate through a left fastener and a right fastener.
The rail clip is the main connecting part between the steel rail and the rail plate, and the clip and the rail plate are usually fixed by bolts, and the fastening degree of the clip directly affects the stability of the steel rail. However, the fastener system of the ballastless track is generally installed more densely, and railway maintenance personnel can hardly observe which fastener has a loosening risk by naked eyes, so that accurate detection and maintenance of the loosening fastener can not be realized, and improvement is needed.
Disclosure of Invention
In order to realize accurate detection and maintenance of loose fasteners, the application aims to provide a ballastless track of a heavy haul railway tunnel group and a construction method thereof.
The ballastless track of the heavy haul railway tunnel group adopts the following technical scheme:
a ballastless track of a heavy haul railway tunnel group comprises a concrete base, a plurality of track plates arranged on the concrete base side by side and two rows of steel rails arranged on the track plates, wherein fasteners for pressing two sides of each steel rail are arranged on the track plates, and bolts in threaded connection with the track plates are arranged on the fasteners; the upper end faces of two ends of the track plate are both vertically provided with embedded pipes matched with the bolts, the end faces of the two ends are both horizontally and inwardly provided with detection pipes, one end of each detection pipe, which is positioned in the track plate, is upwards bent and provided with an extension pipe communicated with the lower end of each embedded pipe, and the other end of each detection pipe is downwards bent and provided with a transparent observation pipe; the lower extreme of observation pipe sets up elastic gasbag, the gasbag can dismantle connect in the observation pipe, and the splendid attire has the detection liquid that has the colour in the gasbag.
By adopting the technical scheme, after the track plate and the steel rail are laid, the bolts are screwed into the embedded pipes, so that the steel rail is fixed. And then fixing the air bag containing the detection liquid at the lower end of the observation tube, so that a closed pipeline is formed among the air bag, the observation tube, the detection tube, the extension tube and the embedded tube. When the bolt becomes flexible, the bolt will move upwards, produces the negative pressure in the pipeline this moment to drive gasbag deformation, the detection liquid in the gasbag is extruded to in the observation tube this moment. Therefore, the maintainer walks along rail length direction to whether have detection liquid in observing each test tube, can judge whether not hard up the bolt of this position, reach the effect of accurate detection and convenient detection, realize the accurate maintenance of fastener simultaneously.
Optionally, the upper end of gasbag is provided with the cover and establishes observation pipe lower extreme sleeve pipe, the lower extreme outer wall of observation pipe is provided with and contradicts sheathed tube fender ring, sheathed tube up end is provided with and runs through keep off the ring and hook tight the pothook of keeping off the ring up end.
Through adopting above-mentioned technical scheme, when the installation gasbag, locate the lower extreme of observing the pipe with the sleeve pipe cover on the gasbag to utilize the pothook hook tight fender ring on observing the pipe, realize the quick installation of gasbag, realize simultaneously that the stable installation of gasbag is fixed.
Optionally, a connecting pipe is horizontally arranged between the outer walls of the lower ends of the two adjacent air bags, and ball valves are arranged in the middle of the connecting pipes.
Through adopting above-mentioned technical scheme, make a plurality of gasbags be linked together through setting up the connecting pipe, consequently make the interpolation process of detecting liquid more convenient. And after the detection liquid is added, the detection liquid in each air bag is in an equivalent state by utilizing the principle of the communicating vessel so as to judge the change of the liquid level of the detection liquid in the observation tube. Meanwhile, the ball valves are arranged to enable the air bags to be in independent working states, and interference to other air bags is avoided.
Optionally, a driving rod is horizontally arranged between the opening and closing handles of the ball valves on the same side.
Through adopting above-mentioned technical scheme, connect the handle of opening and close on with a plurality of ball valves through setting up the actuating lever, only need control the actuating lever motion, can realize the synchronous of a plurality of ball valves and open and close, consequently make the interpolation process that detects liquid more convenient.
Optionally, the detection liquid in the gasbag is light-tight liquid, one of them one end of concrete foundation is provided with two pairs of light emitters, and the other end is provided with two pairs of light receiving alarms, the light emitter with the light receiving alarm is aimed at and is located same side the observation pipe, just the light that the light emitter sent is used for wearing to establish the upper end of observation pipe.
Through adopting above-mentioned technical scheme, when needs detect the fastener and whether become flexible, open light emitter and light receiving alarm, the light emitter sends the light spot this moment. If the light spot is smoothly emitted to the light receiving alarm, the light receiving alarm does not respond, which indicates that the fastener in the whole row does not loosen. If the light spot can not be emitted to the light receiving alarm, the light receiving alarm does not receive information, and the light receiving alarm gives an alarm to indicate that individual fasteners in the whole row of fasteners are loosened, so that the inspection and the overhaul can be carried out. Therefore, by arranging the light emitter and the light receiving alarm, regional detection is realized, and then the detection result is checked, so that the overhauling process is more convenient.
Optionally, feedback pipes for containing colloidal solution are vertically arranged at two ends of the track slab, and the feedback pipes are located behind the observation pipes close to one side of the light receiving alarm and used for allowing light emitted by the light emitter to penetrate through.
Through adopting above-mentioned technical scheme, when the observation pipe was worn to establish by the light spot that the light emitter sent, also can wear to establish the feedback pipe, at this moment under colloidal solution's mating reaction, a light appears in making colloidal solution, whether consequently has light in the people's pipe observation feedback pipe overhauls, can judge whether not hard up the fastener of this position, the maintainer of being convenient for overhauls night.
Optionally, a communicating pipe is horizontally communicated between the lower parts of the feedback pipes located on the same side, one end of the communicating pipe is provided with an end, and the other end of the communicating pipe is provided with a valve.
Through adopting above-mentioned technical scheme, make the feedback pipe be linked together through setting up communicating pipe to make the easy interpolation of colloid and change process more convenient.
Optionally, the horizontal rotation is provided with the puddler in the communicating pipe, wherein one end of puddler runs through the end, and is located the outside one end of end is provided with the hand wheel.
Through adopting above-mentioned technical scheme, when needs are monitored the fastener, the control hand wheel drives the puddler rotation to realize colloidal solution's stirring, guarantee colloidal solution's normal work.
In order to realize convenient maintenance of the ballastless track, another purpose of the application is to provide a construction method of the ballastless track of the tunnel group of the heavy haul railway.
The construction method for the ballastless track of the heavy haul railway tunnel group adopts the following technical scheme.
A construction method of ballastless tracks of a heavy haul railway tunnel group comprises the following steps:
s1, mounting reinforcing steel bars of a roadbed bottom plate, and pouring bottom concrete;
s2, installing base steel bars and a concrete base, and maintaining the concrete base;
s3, paving the prefabricated track plates on a concrete base at equal intervals, and pouring concrete to fix the track plates;
s4, laying steel rails and calibrating the steel rails;
s5, installing fasteners, and screwing bolts into the embedded pipes on the track plates to fix the fasteners and the steel rails;
s6, mounting air bags, and filling color detection liquid into each air bag;
and S7, installing a feedback pipe, and filling the colloidal solution into the feedback pipe to enable the liquid level of the colloidal solution to be positioned above the middle position of the detection pipe.
By adopting the technical scheme, the efficient construction of the ballastless track is realized by setting a simple construction method, and meanwhile, the prefabricated track plate with the detection function is arranged, so that whether the fastener is loosened or not is conveniently detected, and the ballastless track is conveniently maintained.
In summary, the present application includes at least one of the following beneficial technical effects:
by transferring the displacement change generated by the loosening of the bolt to the change of the detection liquid in the observation tube, a maintainer can accurately judge whether the fastener is loosened so as to realize the accurate maintenance of the fastener;
the air bags are communicated by arranging the connecting pipes, and the detection liquid in each air bag is in an equivalent state by utilizing the principle of a communicating vessel, so that the change of the liquid level of the detection liquid in the observing pipe can be judged and observed conveniently;
through setting up light emitter and light receiving alarm, realize regionalization and detect, investigate to the testing result afterwards, make the maintenance process more convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.
Fig. 2 is a schematic view of an internal structure of a track plate in embodiment 1 of the present application.
Fig. 3 is a schematic structural diagram of a track slab in embodiment 1 of the present application.
Fig. 4 is a schematic structural diagram of a feedback tube in embodiment 1 of the present application.
Fig. 5 is a schematic structural view of an airbag in embodiment 1 of the present application.
FIG. 6 is a schematic view showing the connection between the balloon and the observation tube in example 1 of the present application.
Description of reference numerals: 1. a concrete base; 11. a light emitter; 12. a light receiving alarm; 2. a track plate; 21. a shoulder block; 22. a fastener; 23. a bolt; 24. pre-burying a pipe; 3. a steel rail; 4. a detection tube; 41. an extension pipe; 42. an observation tube; 43. a baffle ring; 44. a clamping hole; 5. an air bag; 51. a connecting pipe; 52. a ball valve; 53. a drive rod; 54. a sleeve; 55. a hook; 6. a feedback tube; 61. a communicating pipe; 62. a tip; 63. a valve; 64. a stirring rod; 65. a handwheel.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Example 1: the embodiment of the application discloses a ballastless track of a heavy haul railway tunnel group.
Referring to fig. 1, the ballastless track of the heavy haul railway tunnel group comprises a concrete base 1, a plurality of track slabs 2 and two rows of linear steel rails 3. The plurality of track slabs 2 are divided into two rows, are arranged on the concrete base 1 side by side at equal intervals and are transversely arranged on the concrete base 1 to support the steel rails 3.
Referring to fig. 1 and 2, a pair of shoulders 21 is disposed on the upper end surfaces of the two ends of the track plate 2, and the rail 3 is laid on the track plate 2 and located between each pair of shoulders 21 to limit the rail 3. A pair of fasteners 22 are arranged between each pair of the retaining shoulders 21, and the pair of fasteners 22 are distributed on two sides of the steel rail 3 and tightly press the side walls of the lower ends of the two sides of the steel rail 3.
Referring to fig. 1 and 2, each fastener 22 is vertically provided with a bolt 23, the upper end faces of the two ends of the track slab 2 are vertically provided with a pre-embedded pipe 24, the upper end of the pre-embedded pipe 24 is open and is in threaded fit with the bolt 23, so that the fasteners 22 and the steel rail 3 are fixed.
Referring to fig. 1 and 2, the rail plate 2 is horizontally provided with a detection pipe 4 at both ends thereof, and the detection pipe 4 penetrates through the end of the rail plate 2 and extends into the rail plate 2. One end of the detection pipe 4, which is positioned inside the track plate 2, is bent upwards to form an extension pipe 41, and the extension pipe 41 is vertically communicated with the lower end of the embedded pipe 24.
Referring to fig. 1 and 2, the other end of the detection tube 4 is bent downward to form a transparent observation tube 42, the observation tube 42 is attached to and fixed to the end surface of the track plate 2, and a pipeline is formed among the extension tube 41, the detection tube 4, and the observation tube 42.
Referring to fig. 1 and 2, the elastic air bag 5 is detachably connected to the lower end of the observation tube 42, colored light-tight detection liquid is contained in the air bag 5, the liquid level of the detection liquid is located in the lower end of the observation tube 42, and a closed pipeline is formed among the air bag 5, the observation tube 42, the detection tube 4, the extension tube 41 and the embedded tube 24.
Therefore, when the bolt 23 is screwed into the embedded pipe 24, the bolt 23 pushes out the air in the extension pipe 41, the detection pipe 4, and the observation pipe 42. When the air bag 5 containing the detection liquid is fixed at the lower end of the observation tube 42, a closed pipeline is formed among the air bag 5, the observation tube 42, the detection tube 4, the extension tube 41 and the embedded tube 24, and the initial liquid level of the detection liquid is positioned in the lower end of the observation tube 42.
And when the bolt 23 is not hard up, the bolt 23 will appear the unscrewing phenomenon, and bolt 23 will move upwards promptly, will produce the negative pressure in the whole pipeline this moment to automatic extrusion gasbag 5 takes place certain deformation. The test liquid in the balloon 5 is then squeezed into the sight tube 42.
Because it has the colour to detect liquid, consequently whether the maintainer only need patrol and observe whether to have the detection liquid that has the colour in the pipe 42, can judge whether the bolt 23 of this position appears becoming flexible to whether the fastener 22 of this position appears becoming flexible of feedback, in order to realize the accurate maintenance of fastener 22.
Referring to fig. 1 and 2, one end of the concrete foundation 1 is provided with two pairs of light emitters 11, and the other end is provided with two pairs of light receiving alarms 12. Two pairs of light emitters 11 and two pairs of light receiving alarms 12 are respectively distributed on two sides of the concrete base 1.
Referring to fig. 1 and 2, each pair of the light emitter 11 and the light receiving alarm 12 is distributed on two sides of the steel rail 3 and aligned with the observation tube 42 on the same side, and the light emitted by the light emitter 11 is used for penetrating the upper end of the observation tube 42 and irradiating the light receiving alarm 12.
In the embodiment of the present application, when the light spot on the light emitter 11 is smoothly emitted to the light receiving alarm 12, the light receiving alarm 12 does not respond. When the light spot on the light emitter 11 cannot be emitted to the light receiving alarm 12 smoothly, the light receiving alarm 12 gives an alarm.
Therefore, when it is necessary to detect whether the fastener 22 is loose, especially at night, the light emitter 11 and the light receiving alarm 12 can be turned on first, and the light emitter 11 will emit a stable light spot. If the light spot is emitted to the light receiving alarm 12 smoothly, it means that the fasteners 22 in the whole row are not loosened.
If the light spot can not be emitted to the light receiving alarm 12, the light receiving alarm 12 sends an alarm at this time, which indicates that individual fasteners 22 in the entire row of fasteners 22 are loosened, so that the regional detection can be performed first, and then the inspection and the overhaul can be performed one by one.
Referring to fig. 1 and 3, the feedback tubes 6 are vertically arranged at both ends of the track slab 2, and the feedback tubes 6 are parallel to the observation tube 42 and are located behind the observation tube 42 near the light receiving alarm 12. The feedback tube 6 contains colloidal solution, the liquid level of the colloidal solution is flush with the upper end of the observation tube 42, and the colloidal solution contained in the feedback tube 6 is used for the light emitted by the light emitter 11 to penetrate through.
When light passes through the colloidal solution in the feedback tube 6, a light column will be formed in the feedback tube 6, and it indicates that there is no detection liquid in the observation tube 42 at the position, and it indicates that the fastening member 22 at the position is not loosened.
When no light passes through the colloidal solution in the feedback tube 6, it indicates that the detection liquid exists in the observation tube 42 at the position and blocks the light, which also indicates that the fastener 22 at the position is loosened and needs to be repaired.
Referring to fig. 3 and 4, a communication pipe 61 is horizontally disposed below the feedback pipes 6 on the same side, and the communication pipe 61 is communicated with the lower ends of the feedback pipes 6 on the same side to achieve communication of the plurality of feedback pipes 6. One end of the communication pipe 61 is provided with a head 62, and the other end is provided with a valve 63.
Therefore, when the colloidal solution needs to be added, the valve 63 is opened, the colloidal solution is injected along the communicating pipe 61, and then under the action of the communicating vessel principle, each feedback pipe 6 is filled with the same amount of colloidal solution, so that the colloidal solution can be conveniently injected.
Referring to fig. 3 and 4, a stirring rod 64 is horizontally disposed in the communicating tube 61 for stirring the colloidal solution, ensuring the concentration of the colloidal solution, and simultaneously placing crystals to precipitate. One end of the stirring rod 64 penetrates through the end head 62 and is rotatably connected with the end head 62, and a hand wheel 65 is arranged at one end of the outer part of the end head 62 and is used for controlling the stirring rod 64 to rotate stably.
Referring to fig. 3 and 5, the lower ends of the air bags 5 are bent outwards, and the connecting pipes 51 are horizontally arranged between the outer walls of the lower ends of two adjacent air bags 5, so that the air bags 5 are communicated with each other, and the detection liquid can be injected into all the air bags 5 only by continuously adding the detection liquid into one air bag 5. Meanwhile, the initial liquid levels of the detection liquids in the observation tubes 42 on the same side can be at the same level by using the principle of the communicating vessel, so as to ensure the detection precision.
Referring to fig. 3 and 5, a ball valve 52 is disposed at a middle position of each connection pipe 51 to divide the plurality of airbags 5 into individual bodies which work independently without interference. Wherein, a driving rod 53 is horizontally arranged between the opening and closing handles of a plurality of ball valves 52 positioned on the same side, so as to realize the synchronous opening and closing control of all the ball valves 52 on the same side, thereby being convenient for detecting the liquid injection.
Referring to fig. 6, a rigid sleeve 54 is vertically disposed on the upper end of the balloon 5, and the sleeve 54 is used to cover the outer wall of the lower end of the observation tube 42. The outer wall of the lower end of the observation tube 42 is provided with a stop ring 43 for stopping the sleeve 54 to realize the position limitation of the air bag 5.
Referring to fig. 6, the upper end surface of the sleeve 54 is provided with a pair of symmetrically distributed hooks 55, the retaining ring 43 is provided with a pair of retaining holes 44, and the hooks 55 penetrate the hooks 55 and hook the upper end surface of the retaining ring 43 tightly, so as to realize the rapid fixation of the whole airbag 5.
The implementation principle of the ballastless track of the heavy haul railway tunnel group in the embodiment of the application is as follows: when the bolt 23 on the fastener 22 becomes loose, the bolt 23 will move upward, and at this time, negative pressure will be generated in the closed pipeline formed among the air bag 5, the observation tube 42, the detection tube 4, the extension tube 41 and the embedded tube 24, and the air bag 5 is driven to deform, so that the detection liquid in the air bag 5 is squeezed into the observation tube 42.
When the loosening condition of the fastener 22 is repaired, the light emitter 11 and the light receiving alarm 12 are turned on, and the light emitter 11 emits a stable light spot. When the light spot on the light emitter 11 smoothly passes through the observation tube 42 and the feedback tube, a light column is left in the feedback tube 6, and when the light spot is emitted to the light receiving alarm 12, the light receiving alarm 12 does not respond, which indicates that the whole row of fasteners 22 is not loosened.
When the light spot on the light emitter 11 cannot be emitted to the light receiving alarm 12, it indicates that the detection liquid exists in the observation tube 42 in the row and blocks the light spot. At this time, the light receiving alarm 12 gives an alarm indicating that the fastening member 22 is loosened. Finally, whether a light column exists in each feedback tube 6 or not is observed, and the loose fasteners 22 can be inspected and maintained one by one.
Example 2: the embodiment of the application discloses a construction method of ballastless tracks of a heavy haul railway tunnel group.
The construction method of the ballastless track of the heavy haul railway tunnel group comprises the following steps:
s1, mounting reinforcing steel bars of a roadbed bottom plate, and pouring bottom concrete;
s2, installing the base steel bars and the concrete base 1, and curing the concrete base 1;
s3, paving the prefabricated track slabs 2 on the concrete base 1 at equal intervals, and pouring concrete to fix the track slabs 2;
s4, laying the steel rail 3, and calibrating the steel rail 3;
s5, installing the fastener 22, and screwing the bolt 23 into the pre-buried pipe 24 on the track plate 2 to fix the fastener 22 and the steel rail 3;
s6, mounting the air bags 5, and filling the color detection liquid into each air bag 5;
and S7, installing the feedback tube 6, and filling the colloidal solution into the feedback tube 6, so that the liquid level of the colloidal solution is positioned above the middle position of the detection tube 4.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A ballastless track of a heavy haul railway tunnel group comprises a concrete base (1), a plurality of track slabs (2) arranged on the concrete base (1) side by side and two rows of steel rails (3) arranged on the track slabs (2), wherein fasteners (22) for pressing two sides of the steel rails (3) are arranged on the track slabs (2), and bolts (23) which are connected to the track slabs (2) in a threaded mode are arranged on the fasteners (22);
the method is characterized in that: the upper end faces of two ends of the track plate (2) are both vertically provided with a pre-buried pipe (24) matched with the bolt (23), the end faces of the two ends are both horizontally and inwardly extended to be provided with a detection pipe (4), one end of the detection pipe (4) positioned in the track plate (2) is upwards bent to be provided with an extension pipe (41) communicated with the lower end of the pre-buried pipe (24), and the other end of the detection pipe is downwards bent to be provided with a transparent observation pipe (42);
the lower extreme of observation pipe (42) sets up elastic gasbag (5), gasbag (5) can dismantle connect in observation pipe (42), and the splendid attire has the detection liquid that has the colour in gasbag (5).
2. The ballastless track of heavy haul railway tunnel group of claim 1, wherein: the upper end of gasbag (5) is provided with the cover and establishes sleeve pipe (54) of observing pipe (42) lower extreme, the lower extreme outer wall of observing pipe (42) is provided with and contradicts fender ring (43) of sleeve pipe (54), the up end of sleeve pipe (54) is provided with and runs through keep off ring (43) and hook tight block pothook (55) of ring (43) up end.
3. The ballastless track of the tunnel group of the heavy haul railway of claim 2, wherein: a connecting pipe (51) is horizontally arranged between the outer walls of the lower ends of the two adjacent air bags (5), and ball valves (52) are arranged in the middle of the connecting pipes (51).
4. The ballastless track of heavy haul railway tunnel group of claim 3, wherein: and a driving rod (53) is horizontally arranged between the opening and closing handles of the ball valves (52) positioned on the same side.
5. The ballastless track of heavy haul railway tunnel group of claim 1, wherein: the detection liquid in gasbag (5) is light tight liquid, wherein one end of concrete foundation (1) is provided with two pairs of light emitters (11), and the other end is provided with two and is to light receiving alarm (12), light emitter (11) with light receiving alarm (12) aim at and lie in same one side observation pipe (42), just the light that light emitter (11) sent is used for wearing to establish the upper end of observation pipe (42).
6. The ballastless track of heavy haul railway tunnel group of claim 5, wherein: the both ends of track board (2) are all vertical feedback pipe (6) that are provided with the splendid attire colloidal solution, feedback pipe (6) are located observation pipe (42) are close to the rear of light receiving alarm (12) one side, and are used for supplying the light that light emitter (11) sent wears to establish.
7. The ballastless track of heavy haul railway tunnel group of claim 6, wherein: a communicating pipe (61) is horizontally communicated and arranged between the lower parts of the feedback pipes (6) positioned on the same side, one end of the communicating pipe (61) is provided with an end head (62), and the other end of the communicating pipe is provided with a valve (63).
8. The ballastless track of heavy haul railway tunnel group of claim 7, wherein: a stirring rod (64) is horizontally arranged in the communicating pipe (61) in a rotating mode, one end of the stirring rod (64) penetrates through the end head (62), and a hand wheel (65) is arranged at one end, located outside the end head (62).
9. A construction method of ballastless tracks of a heavy haul railway tunnel group is used for installing the ballastless tracks of any one of claims 1-8, and is characterized in that: the method comprises the following steps:
s1, mounting reinforcing steel bars of a roadbed bottom plate, and pouring bottom concrete;
s2, installing basic steel bars and the concrete base (1), and curing the concrete base (1);
s3, paving the prefabricated track slabs (2) on the concrete base (1) at equal intervals, and pouring concrete to fix the track slabs (2);
s4, laying the steel rail (3), and calibrating the steel rail (3);
s5, installing the fastener (22), and screwing the bolt (23) into the pre-buried pipe (24) on the track plate (2) to fix the fastener (22) and the steel rail (3);
s6, mounting the air bags (5), and filling the color detection liquid into each air bag (5);
and S7, installing the feedback tube (6), and filling the colloidal solution into the feedback tube (6) to ensure that the liquid level of the colloidal solution is positioned above the middle position of the detection tube (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110596000.2A CN113235331B (en) | 2021-05-29 | 2021-05-29 | Ballastless track of heavy haul railway tunnel group and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110596000.2A CN113235331B (en) | 2021-05-29 | 2021-05-29 | Ballastless track of heavy haul railway tunnel group and construction method thereof |
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| CN113235331B CN113235331B (en) | 2022-08-09 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851884A (en) * | 2010-03-23 | 2010-10-06 | 中国建筑股份有限公司 | Paving method of CRTS I type plate type ballastless track slab in severe cold region |
| EP3290583A1 (en) * | 2016-09-02 | 2018-03-07 | Duro Felguera Rail, S.A.U. | Modular rail fastening system |
| CN210363862U (en) * | 2019-04-26 | 2020-04-21 | 神铁运维(天津)技术服务有限公司 | Track inspection device |
| US20200156676A1 (en) * | 2018-11-15 | 2020-05-21 | Avante International Technology, Inc. | Image-based monitoring and detection of track/rail faults |
| CN211364563U (en) * | 2019-12-06 | 2020-08-28 | 武汉比邻工程技术有限公司 | Steel rail fastener gap detector |
| CN112025281A (en) * | 2020-08-31 | 2020-12-04 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Automatic robot tightening system and method for rail fastener |
| CN112061172A (en) * | 2020-08-31 | 2020-12-11 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Intelligent maintenance system and method for track fastener of work section |
-
2021
- 2021-05-29 CN CN202110596000.2A patent/CN113235331B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851884A (en) * | 2010-03-23 | 2010-10-06 | 中国建筑股份有限公司 | Paving method of CRTS I type plate type ballastless track slab in severe cold region |
| EP3290583A1 (en) * | 2016-09-02 | 2018-03-07 | Duro Felguera Rail, S.A.U. | Modular rail fastening system |
| US20200156676A1 (en) * | 2018-11-15 | 2020-05-21 | Avante International Technology, Inc. | Image-based monitoring and detection of track/rail faults |
| CN210363862U (en) * | 2019-04-26 | 2020-04-21 | 神铁运维(天津)技术服务有限公司 | Track inspection device |
| CN211364563U (en) * | 2019-12-06 | 2020-08-28 | 武汉比邻工程技术有限公司 | Steel rail fastener gap detector |
| CN112025281A (en) * | 2020-08-31 | 2020-12-04 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Automatic robot tightening system and method for rail fastener |
| CN112061172A (en) * | 2020-08-31 | 2020-12-11 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Intelligent maintenance system and method for track fastener of work section |
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| CN113235331B (en) | 2022-08-09 |
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