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CN-224227571-U - Reinforcing device for preventing downward displacement of rail in large ramp section

CN224227571UCN 224227571 UCN224227571 UCN 224227571UCN-224227571-U

Abstract

The utility model provides a reinforcing device for preventing a rail from moving downwards in a large ramp section, which relates to the technical field of railway rails and comprises at least one sleeper connecting assembly, reinforcing member piles and an adjustable connecting rod, wherein two ends of the sleeper connecting assembly are fixedly connected with adjacent sleepers respectively; the bottom of the reinforcing member pile is fixedly connected with the ground below the track, and the two ends of the adjustable connecting rod are respectively and fixedly connected with the sleeper connecting component and the adjustable connecting piece. According to the utility model, through the sleeper connecting assemblies connected in series, an integral structure is formed, so that the force born by the track is effectively dispersed, and the risk of downward displacement of the track is reduced. Meanwhile, the arrangement of the reinforcing member piles enhances the connection with the inverted arch of the tunnel and the bridge surface, provides additional supporting force and ensures the fixity of the track. In addition, the design of the adjustable connecting rod in the device ensures that the whole structure can be flexibly adjusted according to actual conditions, and is suitable for different construction environments and operation conditions.

Inventors

  • WEI XIANKUI
  • XU JINGMANG
  • LI ZHOU
  • WANG DUOBIN
  • ZHENG ZHAOGUANG
  • LAI JUN
  • QIAN YAO
  • HU JIAYI

Assignees

  • 四川都金山地轨道交通有限责任公司
  • 西南交通大学

Dates

Publication Date
20260512
Application Date
20250603

Claims (10)

  1. 1. A reinforcing apparatus for preventing downward displacement of a rail in a large ramp section, comprising: the sleeper connecting assembly (1) is characterized by comprising at least one sleeper connecting assembly (1), wherein two ends of the sleeper connecting assembly (1) are fixedly connected with adjacent sleepers respectively; A reinforcement member pile (2), the bottom of the reinforcement member pile (2) is fixedly connected with the ground below the track, and The adjustable connecting rod (3), the both ends of adjustable connecting rod (3) respectively with sleeper coupling assembling (1) with reinforcement member stake (2) fixed connection.
  2. 2. The reinforcing device for preventing downward displacement of rails on a large slope section according to claim 1, wherein the sleeper connecting assembly (1) comprises sleeper end caps (11) and connecting steel plates (12), the sleeper is arranged on the sleeper end faces in a covering manner, and adjacent sleeper end caps (11) are fixedly connected through the connecting steel plates (12).
  3. 3. The reinforcing apparatus for preventing downward displacement of rail at large slope section according to claim 1, wherein the reinforcing member pile (2) comprises a fixing piece (21) and an elastic connecting piece (22), one end of the fixing piece (21) is fixedly connected with the ground below the rail, the other end of the fixing piece is fixedly connected with the elastic connecting piece (22), the elastic connecting piece (22) is fixedly connected with the adjustable connecting rod (3), and the elastic connecting piece (22) provides tension force for the sleeper connecting assembly (1) along the upward slope direction of the rail through the adjustable connecting rod (3).
  4. 4. The reinforcing device for preventing downward displacement of rails on a large ramp section according to claim 3, wherein the adjustable connecting rod (3) comprises an adjustable connecting rod (31), an adjusting nut (32) and a tightening nut (33), one end portion of the adjusting nut (32) is fixedly connected with the sleeper connecting assembly (1), an inner threaded hole is formed in the other end portion of the adjusting nut, two end portions of the adjustable connecting rod (31) are a first outer threaded portion and a second outer threaded portion, the first outer threaded portion is fixedly connected with the inner threaded hole, the second outer threaded portion is fixedly connected with the elastic connecting piece (22), and the adjusting nut (32) is arranged at the joint of the first outer threaded portion and the adjusting nut (32).
  5. 5. The reinforcing device for preventing downward displacement of rails on a large slope section according to claim 4, wherein the elastic connecting piece (22) comprises a support (221), an outer semicircular component (222), an inner semicircular component (223), a spring (224) and a fastening device (225), one end of the support (221) is fixedly connected with the fixing piece (21), the other end of the support is fixedly connected with the outer semicircular component (222), the inner semicircular component (223) is arranged inside the outer semicircular component (222), the spring (224) is arranged inside the inner semicircular component (223), the fastening device (225) is arranged on the end part, away from the inner semicircular component (223), of the spring (224), through holes matched with the adjustable connecting rods (31) are formed in the outer semicircular component (222) and the inner semicircular component (223), and the adjustable connecting rods (31) sequentially penetrate through the outer semicircular component (222), the inner semicircular component (223) and the spring (224) to be fixedly connected with the fastening device (225).
  6. 6. The reinforcement means for preventing downward displacement of the rail at a steep slope section according to claim 5, wherein the fastening means (225) comprises a washer and a nut, the female screw of the nut being engaged with the male screw of the second male screw portion, the washer being disposed between the nut and the spring (224).
  7. 7. The reinforcing apparatus for preventing downward displacement of rails on a steep slope section according to claim 5, wherein the outer semicircular member (222) is of a hollow spherical structure which is truncated in the circumferential direction to form an opening.
  8. 8. The reinforcing apparatus for preventing downward displacement of rails on a large slope section according to claim 1, wherein the overall height of the reinforcing member piles (2) is not more than 20mm above the top surfaces of the ballast beds at both ends.
  9. 9. Reinforcing means for preventing downward displacement of rails on large ramp sections according to claim 2 characterized in that the shape of the tie end caps (11) is the same as the shape of the tie ends and is 5mm thick.
  10. 10. Reinforcing device for preventing downward displacement of rails on large ramp sections according to claim 2 characterized in that the tie end caps (11) are fixedly connected to the tie ends by expansion bolts.

Description

Reinforcing device for preventing downward displacement of rail in large ramp section Technical Field The utility model relates to the technical field of railway tracks, in particular to a reinforcing device for preventing downward displacement of a track in a large ramp section. Background In railway track construction, especially on a ballasted track bed in a large slope section (gradient range of 40-120 mill), the vertical resistance of the track gradually decreases along with the increase of the gradient. The phenomenon causes the tendency that the track is easy to integrally move downwards on the ramp, particularly in tunnels and bridges, and the risk of downwards moving of the track is further aggravated due to small friction force between railway ballast and a smooth concrete inverted arch plane and bridge surface. In addition, the strong traction and braking forces generated by the train when running on long ramps also significantly increase the likelihood of the track being displaced downwardly. The prior art mainly solves the problem by increasing the weight of the track or adopting a traditional fixing device, but the methods have limited effect, cannot effectively resist the displacement of the track under the extreme gradient, and have certain limitations in the construction and maintenance processes. Based on the above-mentioned drawbacks of the prior art, there is a need for a reinforcement device that prevents downward displacement of the rail at large ramp sections. Disclosure of utility model The object of the present utility model is to provide a reinforcement device that prevents downward displacement of the rail in large ramp sections, in order to ameliorate the above-mentioned problems. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The application provides a reinforcing device for preventing a rail from moving downwards in a large slope section, which comprises at least one sleeper connecting assembly, a reinforcing member pile and an adjustable connecting rod, wherein two ends of the sleeper connecting assembly are respectively and fixedly connected with adjacent sleepers, the bottom of the reinforcing member pile is fixedly connected with the ground below the rail, and two ends of the adjustable connecting rod are respectively and fixedly connected with the sleeper connecting assembly and the reinforcing member pile. Further, the sleeper connecting assembly comprises sleeper end covers and connecting steel plates, the sleeper is arranged on the sleeper end faces in a covering mode, and adjacent sleeper end covers are fixedly connected through the connecting steel plates. Further, the reinforcement member stake includes mounting and elastic connection piece, one end of mounting with track below ground fixed connection, another end with elastic connection piece fixed connection, elastic connection piece with adjustable connecting rod fixed connection, elastic connection piece passes through adjustable connecting rod is for sleeper coupling assembling provides the tensioning force along the track uphill direction. Further, the adjustable connecting rod comprises an adjustable connecting rod, an adjusting nut and a tightening nut, one end of the adjusting nut is fixedly connected with the sleeper connecting assembly, an inner threaded hole is formed in the other end of the adjusting nut, two end portions of the adjustable connecting rod are a first outer threaded portion and a second outer threaded portion, the first outer threaded portion is fixedly connected with the inner threaded hole, the second outer threaded portion is fixedly connected with the elastic connecting piece, and the adjusting nut is arranged at the joint of the first outer threaded portion and the adjusting nut. Further, the elastic connecting piece comprises a support, an outer semicircular component, an inner semicircular component, a spring and a fastening device, wherein one end of the support is fixedly connected with the fixing piece, the other end of the support is fixedly connected with the outer semicircular component, the inner semicircular component is arranged inside the outer semicircular component, the spring is arranged inside the inner semicircular component, the fastening device is arranged on the spring and far away from the end of the inner semicircular component, through holes matched with the adjustable connecting rods are formed in the outer semicircular component and the inner semicircular component, and the adjustable connecting rods sequentially penetrate through the outer semicircular component, the inner semicircular component and the spring and are fixedly connected with the fastening device. Further, the fastening means includes a washer and a nut, the internal thread of the nut and the external thread of the second external thread portion being engaged with each other, the washer being disposed between the nut and the spring. Furth