CN113073503A - Welding change operation vehicle set and rail change method - Google Patents
Welding change operation vehicle set and rail change method Download PDFInfo
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- CN113073503A CN113073503A CN202110370058.5A CN202110370058A CN113073503A CN 113073503 A CN113073503 A CN 113073503A CN 202110370058 A CN202110370058 A CN 202110370058A CN 113073503 A CN113073503 A CN 113073503A
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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
- 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
- E01B29/17—Lengths of rails assembled into strings, e.g. welded together
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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
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/01—Devices for working the railway-superstructure with track
- E01B2203/017—Devices for working the railway-superstructure with track removed or not present yet
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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
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/14—Way of locomotion or support
- E01B2203/141—Way of locomotion or support on the track to be treated
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
A welding change operation train set and a rail changing method are provided, wherein the welding change operation train set comprises a rail changing train set, an integrated welding train set and an off-line welding train section, and the rail changing train set, the integrated welding train set and the off-line welding train section can be disassembled or connected; the rail replacing vehicle set comprises a power vehicle section and a rail replacing vehicle section, wherein the rail replacing vehicle section is used for dismantling an old steel rail bar and installing a new steel rail bar; the joint welding vehicle group comprises a power vehicle joint and a joint welding vehicle joint, and the joint welding vehicle joint is used for joint welding connection of the steel rail; and the off-line welding joint is used for performing off-line welding connection on the steel rail. The rail replacing vehicle set and the rail welding vehicle set of the rail replacing vehicle set can be disassembled when the rail replacing vehicle set and the rail welding vehicle set move to the rail section to be replaced of the rail, rail welding operation and rail replacing operation are respectively carried out, operation time is shortened, and operation efficiency is improved. The rail replacing method adopts the rail replacing and welding operation vehicle set, so that the operation time of the rail replacing project is shortened, and the efficiency of the rail replacing project is improved.
Description
Technical Field
The invention relates to the field of rail engineering, in particular to a welding change operation vehicle set and a rail change method.
Background
Railway transportation is an important transportation mode, and trains run on paved tracks in the railway transportation, if the tracks are defective, normal running of the trains can be directly influenced, and derailment accidents are caused seriously.
Therefore, the quality of the track is an important part of railway transportation work, and along with the normal use of the track, the track can be fatigued, damaged and the like, so that the section of the track reaching the service life needs to be replaced, and the old steel rail bar is replaced by the new steel rail bar.
The existing rail replacing engineering adopts the mode of constructing pre-disassembled steel rails, off-line welding, steel rail replacement, on-line welding and old rail recycling step by step, wherein the off-line welding and the steel rail replacement both have special equipment, and the rail replacing operation efficiency is low due to the adoption of the step-by-step construction.
Disclosure of Invention
The invention aims to provide a welding change operation vehicle group, which is provided with a rail change vehicle group, an integrated welding vehicle group and an offline welding vehicle group, can be disassembled when running to a rail section to be changed of a track, and respectively performs offline welding operation, rail change operation and integrated welding operation, thereby shortening the operation time and improving the operation efficiency.
The invention also aims to provide a rail replacing method, which adopts the rail replacing and welding operation vehicle set, shortens the operation time of the rail replacing project and improves the efficiency of the rail replacing project.
The invention is realized by the following steps:
a kind of changing and welding operation car group, including changing the rail car group, joining and welding the car group and welding the car festival under the line, change the rail car group, join and weld the car group and weld the car festival under the line and can be disassembled or linked; the rail replacing vehicle set comprises a power vehicle section and a rail replacing vehicle section, wherein the rail replacing vehicle section is used for dismantling an old steel rail bar and installing a new steel rail bar; the joint welding vehicle group comprises a power vehicle joint and a joint welding vehicle joint, and the joint welding vehicle joint is used for joint welding connection of the steel rail; and the off-line welding joint is used for performing off-line welding connection on the steel rail.
The rail changing operation vehicle set comprises a rail changing vehicle set, an integrated welding vehicle set and an off-line welding vehicle joint, the rail vehicle set, the integrated welding vehicle set and the off-line welding vehicle joint can be disassembled, the rail changing vehicle set and the integrated welding vehicle set are provided with the vehicle joints, and the vehicle joints can automatically move to an operation position after being disassembled to respectively perform rail changing operation and integrated welding rail operation, so that cross operation is realized, the operation time is shortened, and the efficiency of rail welding operation and rail changing operation is improved.
In a preferred technical scheme of the invention, the rail replacing vehicle group further comprises at least one flat car section, and the rail replacing vehicle section is connected with one flat car section.
In a preferred technical scheme of the invention, the integrated welding truck group further comprises at least one flat truck section, and the integrated welding truck section is connected with one flat truck section.
A method of rail replacement, comprising: unloading the new steel rail to the position of the rail section to be replaced of the rail; the welding changing operation vehicle set is operated to the position of the rail section to be changed of the rail; disassembling a rail changing vehicle group, a joint welding vehicle group and an off-line welding vehicle section of the welding changing operation vehicle group; welding the new steel rail into a unit steel rail by using an off-line welding knuckle; replacing the old steel rail bar of the section to be replaced of the track with a unit steel rail bar by using a rail replacing vehicle set; performing on-line welding by using the joint welding vehicle group to connect the unit steel rail bar with the rail bar of the track; and recovering the old steel rail bar detached from the rail section to be replaced of the rail.
The rail changing method adopts the rail changing operation vehicle group, and the rail changing vehicle group, the integrated welding vehicle group and the off-line welding vehicle joint are disassembled in the rail changing process, and rail welding operation of performing off-line welding on the new steel rail, rail changing operation of replacing the old steel rail with the new steel rail and integrated welding operation of connecting the new steel rail with the original rail are respectively performed, so that the operation time of the rail changing engineering is shortened, and the efficiency of the rail changing engineering is improved.
In a preferred embodiment of the present invention, the in-line welding of the unit steel rail to the rail of the track by the inline welding vehicle set comprises: driving the integrated welding vehicle group to the starting position of the section to be changed of the track, and performing online flash welding at the starting position to connect one end of the unit steel rail bar with the steel rail bar of the track; stretching the unit steel rail at the end point of the section of the track to be replaced; fixing the unit steel rail bar in a rail bearing groove of a sleeper of the rail by using a fastener after stretching; and (4) driving the integrated welding vehicle group to a final position, and performing online flash welding at the final position to enable the other end of the unit steel rail bar to be connected with the steel rail bar of the track in an insertion welding manner.
In the preferred technical scheme of the invention, the new steel rail is fixed in the rail bearing groove of the sleeper of the track by a plurality of fasteners; uniformly fastening a part of the fasteners after stretching; and (4) performing on-line flash welding at the final position to ensure that the other end of the unit steel rail bar is connected with the steel rail bar of the track in an insertion welding way, and then fastening the rest fasteners.
In a preferred technical scheme of the invention, the rail unloading train is adopted to unload the new steel rail to the position of the rail section to be replaced of the rail, and the rail replacing method comprises the following steps: and loading a new steel rail bar by adopting a rail unloading train, driving from a station positioned at the rear of the rail section to be replaced of the rail to the rail section to be replaced, unloading the new steel rail bar, and then driving to a station positioned in front of the rail section to be replaced.
In a preferred embodiment of the present invention, the track-changing method includes: and after the rail unloading train is driven out of the station behind the to-be-changed rail section for a preset time, the welding change operation vehicle group is driven out of the station behind the to-be-changed rail section and driven to a position away from the to-be-changed rail section by a preset distance, and then disassembly is carried out.
In a preferred embodiment of the present invention, the track-changing method includes: and after the on-line welding is carried out by utilizing the integrated welding vehicle set to connect the unit steel rail bar with the rail bar of the track, the rail replacing vehicle set, the integrated welding vehicle set and the off-line welding vehicle section are connected and hung, and then the vehicle runs to a station positioned in front of the rail replacing section.
In a preferred technical scheme of the invention, a rail collection train is adopted to recover old steel rail bars detached from a rail section to be replaced of a rail, and the rail replacing method comprises the following steps: and the rail collection train at the station behind the rail replacing section runs to the original rail replacing section which finishes rail replacing, the old steel rail bar is loaded, and then the train runs to the station behind the rail replacing section.
The invention has the following beneficial effects: the rail replacing and welding operation vehicle set comprises a rail replacing vehicle set, an integrated welding vehicle set and an offline welding vehicle set, and can be disassembled when running to a rail section to be replaced of the rail, offline welding rail operation, rail replacing operation and integrated welding rail operation are respectively carried out, so that the operation time is shortened, and the operation efficiency is improved. The rail replacing method adopts the rail replacing and welding operation vehicle set, so that the operation time of the rail replacing project is shortened, and the efficiency of the rail replacing project is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic illustration of an embodiment of a change welding work vehicle consist of the present invention;
FIG. 2 is a schematic diagram showing the positional relationship between a track and stations before and after the track changing method of the present invention;
FIG. 3 is a schematic view of an embodiment of an off-track train in the rail replacement method of the present invention;
fig. 4 is a schematic diagram of an embodiment of a rail receiving train in the rail replacing method of the present invention.
In the figure:
10-rail changing train set; 11-rail changing vehicle sections; 20-joining a welding vehicle group; 21-joining welding vehicle sections; 31-off-line welding of a lathe joint; 41-power vehicle section; 51-platform trailer section; 61-crew bus sections; 71-a rail-carrying flat car; 100-track; 110-a section to be changed; 210-a first station; 220-second stop.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The invention provides a welding change operation vehicle group, as shown in figure 1, the welding change operation vehicle group comprises a rail change vehicle group 10, an integrated welding vehicle group 20 and an off-line welding vehicle joint 31, and the rail change vehicle group 10, the integrated welding vehicle group 20 and the off-line welding vehicle joint 31 can be disassembled or connected; the rail replacing vehicle set 10 comprises a power vehicle section 41 and a rail replacing vehicle section 11, wherein the rail replacing vehicle section 11 is used for dismantling an old steel rail bar and installing a new steel rail bar; the joint welding vehicle group 20 comprises a power vehicle joint 41 and a joint welding vehicle joint 21, and the joint welding vehicle joint 21 is used for joint welding connection of steel rails; the off-line welding joint 31 is used for off-line welding connection of the steel rail.
The rail replacing vehicle set 10 comprises a power vehicle section 41 and a rail replacing vehicle section 11, rail replacing equipment is arranged on the rail replacing vehicle section 11, and the rail replacing vehicle section 11 is used for dismantling an old steel rail bar and installing a new steel rail bar.
In some embodiments, the rail replacement apparatus includes a boom that lifts an old rail on the track 100 off of the ties of the track 100 and a new rail onto the ties of the track 100, i.e., replaces the old steel rail with the new rail.
In some embodiments, a generator set is further disposed on the rail replacing bay 11, and the generator set supplies power to the rail replacing device.
The rail-changing car group 10 further comprises at least one platform trailer section 51, and the rail-changing car section 11 is connected with one platform trailer section 51.
In the embodiment shown in FIG. 1, a rail-changing car group 10 includes a rail-changing section 11, a flat car section 51, and a power car section 41, wherein flat car section 51 is located between rail-changing section 11 and power car section 41.
The integrated welding train set 20 comprises a power train section 41 and an integrated welding train section 21, wherein the integrated welding train section 21 is used for welding a new steel rail with the original track 100 and integrating the new steel rail into the track 100.
The integrated welding consist 20 comprises a power knuckle 41 and thus is capable of self-walking, the main function of the integrated welding consist 20 being to connect the new steel rail to the original steel rail before and after the rail section to be welded of the rail 100 to form the new rail 100.
The joining welding joint 21 is provided with a flash welding machine, and the new steel rail bar is connected with the steel rail bar on the track 100 by flash welding.
Limited by the length of the goods carried by the train, if the section 110 to be changed is too long, the new rail needs to be transported in multiple sections, and the rail is welded before the rail is changed, namely, off-line rail welding operation is performed.
Therefore, the welding change work vehicle group further comprises an off-line welding joint 31, the off-line welding joint 31 is connected with the rail change vehicle group 10 and the integrated welding vehicle group 20, and the off-line welding joint 31 can be disconnected or connected with the rail change vehicle group 10 or the integrated welding vehicle group 20.
The off-line welding joints 31 are used to weld a plurality of new steel rails so that the new steel rails are joined into longer steel rails for replacing the steel rails of the section 110 of the track 100 to be replaced.
The off-line welding carriage 31 is provided with a self-propelled device and a flash welding machine, so that the off-line welding carriage 31 can independently travel on the rail 100 and weld new steel rails into longer steel rails by flash welding.
In the embodiment shown in fig. 1, the welding work vehicle group comprises a power knuckle 41, a flat plate knuckle 51, an integrated welding knuckle 21, a rail changing knuckle 11 of the rail changing device, a flat plate knuckle 51, a power knuckle 41 and an off-line welding knuckle 31 of the integrated welding vehicle group 20 in sequence from the vehicle head, and the total length is 120m and the total weight is 320t, wherein the total number of the sections is 7.
The rail replacing project further comprises rail unloading operation and rail collecting operation, wherein rail unloading operation needs rail unloading trains, and rail collecting operation needs rail collecting trains.
The rail unloading train is used for unloading new steel rails to a to-be-replaced section 110 of the track 100 and comprises a plurality of service bus sections 61 and a plurality of rail carrying flat cars 71, wherein the plurality of rail carrying flat cars 71 are sequentially connected to form a carrying platform for loading the new steel rails, and the service bus sections 61 are used for carrying constructors.
As shown in fig. 3, the rail unloading train of this embodiment includes 2 service railcars 61 and 43 rail-carrying flat cars 71, and a total of 45, wherein 43 rail-carrying flat cars 71 are connected in sequence, and the 2 service railcars 61 are respectively located at the head and tail ends of the 43 rail-carrying flat cars 71.
The total length of the rail unloading train is 670m, the empty weight is 1300t, and the heavy weight is 2200t after loading new steel rail bars.
The rail unloading train is driven by a power section 41 to run on the rail 100.
As shown in fig. 4, the rail collecting train has the same structure as the rail unloading train, and includes 2 service bus sections 61 and 43 rail-carrying flat cars 71, and a total of 45, wherein the 43 rail-carrying flat cars 71 are connected in sequence, and the 2 service bus sections 61 are respectively located at the head and tail ends of the 43 rail-carrying flat cars 71, and the rail collecting train is used for collecting the old rail detached from the section 110 to be replaced.
The total length of the rail collecting train is 670m, the empty weight is 1300t, and the heavy weight is 2200t after the old steel rail is loaded.
The rail collection train is driven by a power train section 41 to run on the rail 100.
The invention provides a rail changing method, which comprises the following steps: unloading the new rail to the position of the section 110 of the track 100 to be replaced; the welding changing operation vehicle set is operated to the position of a section 110 to be changed of the track 100; disassembling a rail changing vehicle group 10, an integrated welding vehicle group 20 and an off-line welding vehicle joint 31 of the welding operation vehicle group; welding the new rail bar into a unit rail bar by using the off-line welding joint 31; replacing an old steel rail of a section 110 to be replaced of the track 100 with a unit steel rail by using the rail replacing vehicle group 10; performing on-line welding by using the inline welding car group to connect the unit steel rail bar with the steel rail bar of the track 100; the old steel rail bar removed from the section 110 of the track 100 to be replaced is recovered.
In the rail replacing engineering, the rail replacing vehicle group 10, the continuous-in welding vehicle group and the offline welding vehicle joint 31 of the rail replacing vehicle group are disassembled, the rail replacing vehicle group 10 performs rail replacing operation, the offline welding vehicle joint performs offline rail welding operation, the continuous-in welding vehicle group 20 performs continuous-in rail welding operation, and the three can realize cross operation, so that the rail replacing engineering operation time is shortened, and the rail replacing engineering efficiency is improved.
It should be noted that, the track replacement engineering needs to occupy 100 lines of the track, so the track replacement engineering needs to be performed in the idle time of the line, the idle time is called a skylight period, for a busy line, the skylight period is short and the interval time is not fixed, the existing track replacement engineering adopts step-by-step construction, needs to occupy a plurality of skylight periods, and may need more than 1 month to complete all the operations.
The rail replacing method has higher efficiency, so that rail unloading, rail replacing, off-line rail welding, continuous rail welding and rail collecting can be carried out in a skylight period, and the rail replacing of 100 sections of the 1000m rail can be completed in the skylight period of 240 minutes.
A specific embodiment of the method for changing the track of a track 100 of 1000m is given below.
Before the rail replacement project, preparation work is required, including loading 2 pairs of new steel rail strips with the length of 500m onto a rail unloading train, surveying the rail 100 to determine the starting and ending positions, processing stone ballasts of a construction area, and meeting the rail unloading requirement.
Before the skylight period, the rail unloading train, the welding work train set and the rail collecting train are all operated to a station behind the rail section to be changed 110, namely a first station 210 shown in fig. 2, and are ready for construction.
When the construction skylight period begins, the rail unloading train is driven out from the first station 210, and fasteners of the old steel rail bars of the rail section 110 to be changed are detached in a one-to-one loose mode before the rail unloading train reaches the rail section 110 to be changed.
The rail unloading train travels to the section 110 to be replaced, unloads the new rail beside the old rail of the track 100 to be replaced, and then travels forward out of the section 110 to be replaced, and travels to a station in front of the section 110 to be replaced, i.e., a second station 220 shown in fig. 2.
After the rail-unloading train exits the first station 210 for a predetermined time, for example, 10 minutes, the welding-changing work train unit exits the first station 210, and moves to a position 110 kilometers away from the rail section to be changed to stop for waiting, and after the rail-unloading work starts, the welding-changing work train unit is disassembled to prepare for work.
After the rail unloading train unloads the new steel rail bar, the off-line welding train joint 31 moves to the middle position of the section 110 to be changed, the off-line flash welding is carried out on 2 pairs of 500m long new steel rail bars, the 2 500m long new steel rail bars are welded into 1 1000m long new steel rail bar, and 1 1000m long new steel rail bar is arranged on each of the two sides of the welded rail 100.
After welding, the off-line welding joint 31 runs to the outside of the end point of the section 110 to be replaced, waiting for connection, and the staff loosens all fasteners of the old steel rail bar.
The rail changing vehicle group 10 of the rail changing vehicle group drives into the rail section 110 to be changed, the rail changing sections 11 of the rail changing vehicle group 10 remove the old rail from the sleepers of the rail 100, and place the new rail at the installation positions of the sleepers.
When the rail changing operation is completed, the continuous-in welding rail sections of the continuous-in welding vehicle group are subjected to flash welding at the starting points of the sections to be changed 110, and the new steel rail bar is connected with the steel rail bar of the track 100 which is positioned in front of the sections to be changed 110.
And when the continuous welding vehicle group carries out flash welding operation at the starting point of the section to be changed 110, the new steel rail is stretched at the end point of the section to be changed 110, and after the welding at the starting point is finished, the end point is stretched according to the design temperature.
After stretching, the new rail is fixed on the sleeper of the rail 100 by using the fasteners, and only one fastener is fastened by every two adjacent fasteners, namely, a fastening mode of fastening one by one is formed.
And (3) driving the continuous welding vehicle group to the end position of the section to be changed 110, performing online flash welding to connect the other end of the new steel rail bar with the steel rail bar of the track 100 behind the section to be changed 110, and fastening all fasteners.
After the rail welding is completed, the welding change operation vehicle group is continuously hung outside the terminal of the rail section 110 to be changed, and then drives into the second station 220.
After a predetermined time, for example, 10 minutes, when the welding change operation vehicle group exits the first station 210, the rail collection train exits the first station 210, and the rail collection train moves to a position 110 kilometers away from the rail to be changed to stop and wait.
After the welding operation is finished, the rail collection train drives into the rail section 110 to be changed, and the old rail is collected and returned to the first station 210 after the welding operation is finished.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The rail changing operation train set is characterized by comprising a rail changing train set, an integrated welding train set and an off-line welding train section, wherein the rail changing train set, the integrated welding train set and the off-line welding train section can be disassembled or connected; the rail replacing vehicle set comprises a power vehicle section and a rail replacing vehicle section, wherein the rail replacing vehicle section is used for dismantling an old steel rail bar and installing a new steel rail bar; the joint welding vehicle group comprises a power vehicle joint and a joint welding vehicle joint, and the joint welding vehicle joint is used for joint welding connection of the steel rail; and the off-line welding joint is used for performing off-line welding connection on the steel rail.
2. The weld change work consist as recited in claim 1, further comprising at least one flatbed section, the rail change consist being coupled to one of the flatbed sections.
3. The weld change work consist according to claim 1, wherein the integrated weld consist further comprises at least one flatbed joint, the integrated weld joint being attached to one of the flatbed joints.
4. A method of changing rails, comprising:
unloading the new steel rail to the position of the rail section to be replaced of the rail;
running the change welding work vehicle consist of any of claims 1 to 3 to a location of a section of the track to be changed;
disassembling a rail changing vehicle group, an integrated welding vehicle group and an off-line welding vehicle section of the welding changing operation vehicle group;
welding the new steel rail into a unit steel rail by using an off-line welding knuckle;
replacing the old steel rail bar of the section to be replaced of the track with a unit steel rail bar by using the rail replacing vehicle set;
performing on-line welding by using the joint welding vehicle group to connect the unit steel rail bar with the steel rail bar of the track;
and recovering the old steel rail bar detached from the rail section to be replaced of the rail.
5. The method of claim 4 wherein the inline welding with the inline welding carriage assembly to join a unit steel rail bar with a rail bar of the track comprises:
driving the integrated welding vehicle group to the starting position of the section to be rail-replaced of the track, and performing online flash welding at the starting position to connect one end of the unit steel rail bar with the steel rail bar of the track;
stretching the unit steel rail at the end point of the section of the track to be replaced;
fixing the unit steel rail bar in a rail bearing groove of a sleeper of the rail by using a fastener after stretching;
and driving the integrated welding vehicle group to the terminal position, and performing on-line flash welding at the terminal position to connect the other end of the unit steel rail bar with the steel rail bar of the track in an insertion welding manner.
6. The method of claim 5, wherein said securing the new rail in the rail receiving groove of the rail tie by a plurality of fasteners comprises;
uniformly fastening a part of the fastener after stretching;
and performing on-line flash welding at the end position to enable the other end of the unit steel rail bar to be connected with the steel rail bar of the track in an insertion welding mode, and then fastening the rest fasteners.
7. A method of changing rails according to claim 4, wherein an unloading train is used to unload a new rail to the location of the section of the track to be changed, the method comprising:
and loading the new steel rail bar by adopting the rail unloading train, driving from a station positioned behind the rail section to be replaced of the track to the rail section to be replaced, unloading the new steel rail bar, and then driving to a station positioned in front of the rail section to be replaced.
8. The method of claim 7, comprising:
and after the rail unloading train is driven out of a station behind the rail section to be changed for a preset time, the welding change operation vehicle group is driven out of the station behind the rail section to be changed and driven to a position away from the rail section to be changed by a preset distance, and then disassembly is carried out.
9. The method of claim 7, comprising:
and after the on-line welding is carried out by utilizing the integrated welding vehicle group to connect the unit steel rail bar with the steel rail bar of the track, the rail changing vehicle group, the integrated welding vehicle group and the off-line welding vehicle joint are connected and hung, and then the vehicle runs to a station positioned in front of the rail changing section.
10. A method of changing rails according to claim 4, wherein a rail retraction train is used to retrieve old steel rails removed from the section of the track to be changed, the method comprising:
and the rail collection train at the station behind the rail section to be changed runs to the original rail section to be changed after the rail is changed, loads the old steel rail bar and then runs to the station behind the rail section to be changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370058.5A CN113073503A (en) | 2021-04-06 | 2021-04-06 | Welding change operation vehicle set and rail change method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110370058.5A CN113073503A (en) | 2021-04-06 | 2021-04-06 | Welding change operation vehicle set and rail change method |
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| CN113073503A true CN113073503A (en) | 2021-07-06 |
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| CN202110370058.5A Pending CN113073503A (en) | 2021-04-06 | 2021-04-06 | Welding change operation vehicle set and rail change method |
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| CN (1) | CN113073503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418897A (en) * | 2022-09-21 | 2022-12-02 | 成都瑞威交通科技有限公司 | Steel rail replacement and laying construction method for existing line of high-speed rail |
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| US5222435A (en) * | 1991-09-10 | 1993-06-29 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. | Track renewal |
| CN105369700A (en) * | 2015-12-08 | 2016-03-02 | 广州铁路（集团）公司广州工务大修段 | Seamless track integrated track switching method |
| CN106283996A (en) * | 2016-10-17 | 2017-01-04 | 株洲时代电子技术有限公司 | One switches tracks train work method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5222435A (en) * | 1991-09-10 | 1993-06-29 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. | Track renewal |
| CN105369700A (en) * | 2015-12-08 | 2016-03-02 | 广州铁路（集团）公司广州工务大修段 | Seamless track integrated track switching method |
| CN106283996A (en) * | 2016-10-17 | 2017-01-04 | 株洲时代电子技术有限公司 | One switches tracks train work method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418897A (en) * | 2022-09-21 | 2022-12-02 | 成都瑞威交通科技有限公司 | Steel rail replacement and laying construction method for existing line of high-speed rail |
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Application publication date: 20210706 |