A ballastless track slurry disease treatment device

Abstract

The application relates to a ballast track mud boiling and mud gushing disease treatment device, and belongs to the ballast track treatment technical field.The device comprises an outer pipe and an inner pipe, the inner pipe is sleeved in the outer pipe, the outer pipe is embedded between a roadbed bed and a ballast layer, a plurality of water seepage holes are arranged in the circumferences of the outer pipe and the inner pipe, the outer pipe and the inner pipe located outside the roadbed bed and the ballast layer are water outlet ends and are located above side ditches; a filter is sleeved on the outer wall of the outer pipe, a hardened layer breaking element is arranged on the outer wall of the outer pipe, and the hardened layer breaking element is used for destroying the hardened mud layer around the outer pipe when the track vibrates. The application has the effect of improving the drainage efficiency of the roadbed and reducing the mud boiling and mud gushing phenomenon.

Description

Technical Field

[0001] This application relates to the field of ballast track management technology, and in particular to a device for managing mud pumping and slurry seepage problems in ballast tracks. Background Technology

[0002] In the operation of existing ballasted track lines, "mud heave" is a common and persistent problem in the roadbed. This issue is mostly caused by rainfall seepage leading to softening of the subgrade soil, resulting in mud slurry surging under the dynamic load of trains. It is a phenomenon caused by the combined effects of water, soil quality, and train dynamic load, leading to changes in the railway's linearity. In particular, under the dynamic load of trains, the friction between the ballast and the ballast forms fine mineral powder, which, combined with water and roadbed soil particles, forms a viscous mud slurry. This viscous mud slurry is extremely prone to hardening, further weakening the roadbed's drainage function. Overall, this manifests as mud contamination of the ballast and track bed, severe changes in railway linearity, and a direct threat to train operation safety. Utility Model Content

[0003] In order to improve the drainage efficiency of the roadbed and reduce the phenomenon of mud pumping, this application provides a device for treating mud pumping disease of ballasted track.

[0004] The technical solution of the device for treating mud pumping and siltation in ballasted railway tracks provided in this application is as follows: A device for controlling mud pumping and slurry leakage in ballasted rail includes an outer pipe and an inner pipe, with the inner pipe sleeved inside the outer pipe. The outer pipe is buried between the subgrade and the ballast layer. Both the outer and inner pipes have multiple seepage holes along their circumference. The outer and inner pipes located outside the subgrade and ballast layer serve as the outlet ends, situated above the side ditch. A filter element is fitted onto the outer wall of the outer pipe, and a slab-breaking element is also provided on the outer wall. This slab-breaking element is used to break up the slab-bound mud layer around the outer pipe during track vibration.

[0005] Optionally, the filter element includes a geotextile sleeved on the outer wall of the outer tube.

[0006] Optionally, the length direction of the outer pipe is perpendicular to the extension direction of the track, and the height of the outer pipe at the center line of the track is greater than the height of the water outlet section of the outer pipe.

[0007] Optionally, it also includes an outer pipe connector, which includes an outer pipe connection clamp, used to fit the end of an adjacent outer pipe for fixed connection.

[0008] Optionally, it also includes an inner tube connector, which includes an inner tube mating threaded sleeve. The inner ring of the inner tube mating threaded sleeve is provided with a threaded section, and the peripheral wall of the inner tube near the end is provided with a threaded groove that is threaded to engage with the threaded section.

[0009] Optionally, the outer ring of the inner tube connecting threaded sleeve is provided with multiple spherical protrusions, which are used to break the mud adhering to the inner wall of the outer tube when the inner tube is removed.

[0010] Optionally, the slab-breaking component includes an elastic protrusion fixedly disposed on the outer wall of the outer tube, the elastic protrusion being moved out from the inside of the geotextile through an installation hole opened in the geotextile.

[0011] Optionally, the outlet end of the inner pipe is equipped with a flow sensor and a controller. The sensor and the controller are electrically connected. The flow sensor is used to detect the water flow signal at the outlet of the inner pipe and send it to the controller. The controller receives the signal and remotely sends the signal to the control terminal to determine whether the inner pipe is blocked by the water flow at the outlet of the inner pipe.

[0012] In summary, this application includes at least one of the following beneficial technical effects: 1. When groundwater seeps back into the outer pipe, the groundwater enters the outer pipe through the seepage holes, and then seeps into the inner pipe through the seepage holes. The groundwater in the inner pipe is discharged from the roadbed along the inner pipe, thereby reducing the possibility of mud generation and mud surge. At the same time, it is convenient to quickly discharge the groundwater in the roadbed and improve the groundwater discharge efficiency. 2. The filter element filters the groundwater that seeps into the outer and inner pipes, thereby reducing the entry of larger soil particles into the outer and inner pipes and reducing the possibility of blockage. 3. When the train travels on the track, it causes track vibration and slight vibration and displacement of the ballast. At this time, the mud layer that is hardened on the outer wall of the outer pipe is destroyed by the action of the slab breaking component, which facilitates the mud to penetrate into the outer and inner pipes and facilitates the discharge of groundwater. Attached Figure Description

[0013] Figure 1 This is a plan view of a device for treating mud pumping and siltation defects in ballast tracks according to an embodiment of this application; Figure 2 This is a schematic diagram of the inner and outer pipes in a ballast track mud-blowing and silt-prone disease control device according to an embodiment of this application.

[0014] Explanation of reference numerals in the attached drawings: 1. Outer pipe; 2. Inner pipe; 3. Subgrade; 4. Ballast layer; 5. Drainage hole; 6. Side ditch; 7. Geotextile; 8. Outer pipe connection clamp; 9. Inner pipe butt bolt sleeve; 10. Spherical protrusion; 11. Elastic protrusion. Detailed Implementation

[0015] The following is in conjunction with the appendix Figure 1-2 This application will be described in further detail.

[0016] This application discloses a device for controlling mud pumping and siltation problems in ballasted railway tracks. (Refer to...) Figure 1 and Figure 2 The ballast track mud pumping and mud spillage control device includes an outer pipe 1 and an inner pipe 2. The inner pipe 2 is sleeved inside the outer pipe 1. The outer pipe 1 is buried between the subgrade 3 and the ballast layer 4. Both the outer pipe 1 and the inner pipe 2 have multiple seepage holes 5 around their circumference. The outer pipe 1 and the inner pipe 2 located outside the subgrade 3 and the ballast layer 4 are the water outlet ends and are located above the side ditch 6.

[0017] When groundwater seeps back into the outer pipe 1, it enters the outer pipe 1 through the seepage hole 5, and then permeates into the inner pipe 2 through the seepage hole 5. The groundwater in the inner pipe 2 is then discharged from the roadbed along the inner pipe 2, thereby reducing the possibility of mud generation and mud surge. At the same time, it facilitates the rapid discharge of groundwater from the roadbed, improving the groundwater discharge efficiency. Reference Figure 1 and Figure 2 The outer wall of the outer pipe 1 is fitted with a filter element; under the action of the filter element, the groundwater that seeps into the outer pipe 1 and the inner pipe 2 is filtered, thereby reducing the entry of soil particles with larger diameters into the outer pipe 1 and the inner pipe 2, and reducing the possibility of blockage of the outer pipe 1 and the inner pipe 2.

[0018] Reference Figure 1 and Figure 2 The outer wall of the outer pipe 1 is equipped with a slab layer breaking device, which is used to break the slab layer of mud around the outer pipe 1 when the track vibrates. When the train is traveling on the track, the train causes the track to vibrate and causes slight vibration and displacement of the ballast. At this time, under the action of the slab layer breaking device, the slab layer of mud on the outer wall of the outer pipe 1 is broken, which makes it easier for the mud to penetrate into the outer pipe 1 and the inner pipe 2, and facilitates the discharge of groundwater.

[0019] Reference Figure 1 and Figure 2 In this embodiment of the application, the filter element includes a geotextile 7 sleeved on the outer wall of the outer pipe 1; the groundwater first undergoes preliminary filtration through the geotextile 7 of the outer pipe 1. Since the diameter of the ballast powder is smaller than the equivalent pore size of the anti-clogging geotextile 7, the powder will enter the interior of the outer pipe 1 through the geotextile 7, and some fine particles will enter the inner pipe 2 with the water flow and be discharged with the water flow.

[0020] Reference Figure 1 and Figure 2 In this embodiment of the application, in order to facilitate the rapid discharge of groundwater from the inner pipe 2, the length direction of the outer pipe 1 is perpendicular to the extension direction of the track, and the height of the outer pipe 1 at the center line of the track is greater than the height of the water outlet section of the outer pipe 1; the outer pipe 1 is inclinedly installed in the ballast, so as to facilitate the rapid discharge of groundwater from the inner pipe 2.

[0021] Reference Figure 1 and Figure 2In this embodiment of the application, an outer pipe connector is also included. The outer pipe connector includes an outer pipe connecting clamp 8, which is used to fit the end of the adjacent outer pipe 1 and fix it to the outer pipe 1. When it is necessary to extend the overall length of the outer pipe 1, after the outer pipe 1 is abutted, the outer pipe connecting clamp 8 is used to surround the joint section of the outer pipe 1 for connection. The operation is simple and convenient.

[0022] Reference Figure 1 and Figure 2 In this embodiment, an inner tube connector is also included. The inner tube connector includes an inner tube mating threaded sleeve 9. The inner ring of the inner tube mating threaded sleeve 9 is provided with a threaded section. The peripheral wall of the inner tube 2 near the end is provided with a threaded groove that is threaded to the threaded section. When the overall length of the inner tube 2 is extended, the inner tube mating threaded sleeve 9 is placed between the two inner tubes 2, and then the inner tube 2 is rotated and screwed into the inner tube mating threaded sleeve 9, thereby extending the overall length of the inner tube 2. The operation is simple and convenient.

[0023] Reference Figure 1 and Figure 2 In this embodiment of the application, in order to facilitate the breaking of the slab layer inside the outer tube 1, the outer ring of the inner tube 2 is provided with a plurality of spherical protrusions 10. The spherical protrusions 10 are used to break the mud attached to the inner wall of the outer tube 1 when the inner tube 2 is removed. When replacing the blocked inner tube 2, the inner tube 2 is rotated so that the inner tube 2 is removed from the inner tube connecting screw sleeve 9, and then the inner tube 2 is pulled out. During the removal process of the inner tube 2, the spherical protrusions 10 destroy the slab layer inside the outer tube 1, and the slab layer is removed as the inner tube 2 is removed.

[0024] Reference Figure 1 and Figure 2 In this embodiment, the slab-breaking component includes an elastic protrusion 11 fixedly disposed on the outer wall of the outer pipe 1. The elastic protrusion 11 moves out from the inside of the geotextile 7 through the installation hole opened in the geotextile 7. When a train passes by, its load causes slight vibration and displacement of the ballast. This displacement will agitate the elastic protrusion 11 on the surface of the outer pipe 1. The elastic protrusion 11 continuously acts on the surrounding slab-hardened mud layer, actively breaking its dense structure, restoring the fluidity of the mud, thereby allowing water to penetrate into the outer pipe 1.

[0025] Reference Figure 1 and Figure 2In this embodiment, a flow sensor and a controller are installed at the outlet of the inner pipe 2. The sensor and controller are electrically connected. The flow sensor detects the water flow signal at the outlet of the inner pipe 2 and sends it to the controller. The controller receives the signal and remotely sends it to the control terminal. The water flow at the outlet of the inner pipe 2 is used to determine whether the inner pipe 2 is blocked. When fine particles accumulate inside the outer pipe 1 or the inner pipe 2, the drainage function of the drainage system fails after a long period of operation. At this time, by remotely monitoring the drainage volume of the inner pipe 2, the failed inner drain pipe can be replaced. When pulling out the inner drain pipe, the spherical protrusion 10 on the outside of the inner pipe connecting screw sleeve 9 breaks the mud attached to the inner wall of the outer pipe 1. When replacing the inner pipe 2, the inside of the outer pipe 1 is cleaned to ensure the smooth functioning of the entire drainage system after the inner pipe 2 is replaced.

[0026] The implementation principle of the ballast track mud pumping and siltation control device in this application embodiment is as follows: When groundwater seeps back into the outer pipe 1, it enters the outer pipe 1 through the seepage hole 5, and then seeps into the inner pipe 2 through the seepage hole 5. The groundwater in the inner pipe 2 is discharged from the roadbed along the inner pipe 2, thereby reducing the possibility of mud generation and mud surge. At the same time, it facilitates the rapid discharge of groundwater in the roadbed and improves the efficiency of groundwater discharge.

[0027] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A device for controlling mud pumping and siltation problems in ballasted railway tracks, characterized in that: It includes an outer pipe (1) and an inner pipe (2), the inner pipe (2) being sleeved inside the outer pipe (1), the outer pipe (1) being buried between the subgrade (3) and the ballast layer (4), the outer pipe (1) and the inner pipe (2) having multiple seepage holes (5) in their circumference, the outer pipe (1) and the inner pipe (2) being located outside the subgrade (3) and the ballast layer (4) being the water outlet end and located above the side ditch (6); the outer wall of the outer pipe (1) is fitted with a filter element, the outer wall of the outer pipe (1) is provided with a slab layer breaking element, the slab layer breaking element being used to break the slab layer around the outer pipe (1) when the track vibrates.

2. The device for controlling mud pumping and siltation defects in ballasted railway tracks according to claim 1, characterized in that: The filter element includes a geotextile (7) sleeved on the outer wall of the outer tube (1).

3. The device for controlling mud pumping and siltation defects in ballasted railway tracks according to claim 1, characterized in that: The length direction of the outer pipe (1) is perpendicular to the extension direction of the track, and the height of the outer pipe (1) at the center line of the track is greater than the height of the water outlet section of the outer pipe (1).

4. The device for controlling mud pumping and siltation defects in ballasted railway tracks according to claim 3, characterized in that: It also includes an outer pipe connector, which includes an outer pipe connection clamp (8) for connecting the end of an adjacent outer pipe (1) to fix the outer pipe (1).

5. The device for controlling mud pumping and siltation defects in ballasted railway tracks according to claim 3, characterized in that: It also includes an inner tube connector, which includes an inner tube mating threaded sleeve (9), the inner ring of the (2) is provided with a threaded section, and the peripheral wall of the inner tube (2) near the end is provided with a threaded groove that is threadedly engaged with the threaded section.

6. The device for controlling mud pumping and siltation defects in ballasted railway tracks according to claim 5, characterized in that: The outer ring of the inner tube (2) is provided with a plurality of spherical protrusions (10), which are used to break the mud adhering to the inner wall of the outer tube (1) when the inner tube (2) is removed.

7. The device for controlling mud pumping and siltation defects in ballasted railway tracks according to claim 2, characterized in that: The platen layer breaking component includes an elastic protrusion (11) fixedly installed on the outer wall of the outer tube (1), and the elastic protrusion (11) moves out from the inside of the geotextile (7) through the installation hole opened in the geotextile (7).

8. The device for controlling mud pumping and siltation defects in ballasted railway tracks according to claim 1, characterized in that: The outlet end of the inner pipe (2) is equipped with a flow sensor and a controller. The sensor and the controller are electrically connected. The flow sensor is used to detect the water flow signal of the inner pipe (2) and send it to the controller. The controller receives the signal and sends it remotely to the control terminal. The water flow of the inner pipe (2) is used to determine whether the inner pipe (2) is blocked.

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