CN112900168B - Integrated rail replacing operation method - Google Patents
Integrated rail replacing operation method Download PDFInfo
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- CN112900168B CN112900168B CN202110085822.4A CN202110085822A CN112900168B CN 112900168 B CN112900168 B CN 112900168B CN 202110085822 A CN202110085822 A CN 202110085822A CN 112900168 B CN112900168 B CN 112900168B
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- rail
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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
- E01B29/06—Transporting, laying, removing or renewing sleepers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
Abstract
The integrated rail replacing operation method comprises the following steps of: the device comprises a tractor, a fastener vehicle, an operation vehicle, a long steel rail transport vehicle set and a rail welding vehicle; the operation process comprises the following steps: the construction vehicle set is aligned and stopped when reaching the operation end point, and the rail welding vehicle and the construction vehicle set are disassembled and run to a designated position; guiding a new rail on the long rail transport vehicle set into a rail clamp of the working vehicle and fixing a rail head of the new rail to an operation terminal; the construction vehicle set operates from the operation end point to the operation starting point to unload the new rail, and the new rail is welded into a long rail by using a vehicle-mounted welding machine in the process; after the operation vehicle reaches an operation starting point, lifting the old rail and guiding the old rail into a steel rail guide groove of the operation vehicle, operating the construction vehicle group from the operation starting point to an operation end point, synchronously replacing a new rail and recovering the old rail onto the vehicle, and finally welding rail heads at the operation starting point and the operation end point to form a seamless line; the procedures of transporting, unloading, replacing, welding, collecting and the like of the steel rail are completed.
Description
Technical Field
The invention relates to the technical field of railway maintenance and construction, in particular to an integrated rail replacement operation method.
Background
The high-speed rail of China is rapidly developed in nearly ten years, at present, part of high-speed rail lines enter the overhaul period, the overhaul rail replacement is a key and difficult point of the high-speed rail line maintenance, and the construction process relates to a plurality of working procedures of rail transportation, unloading, replacement, welding, collection and the like. At present, the track change construction of the ordinary speed railway in China is mainly based on semi-mechanized and multi-skylight step-by-step construction, and the key construction steps are as follows: a new rail with the length of 500m is pre-unloaded to two sides of a line by utilizing a T11 long steel rail transport vehicle set in a first skylight point, the new rail with the length of 500m is welded into a long rail by thermite welding in a second skylight point, then the new rail is replaced by a rail replacing vehicle, an old rail is replaced by a next rail, and the old rail is recovered by utilizing the long steel rail transport vehicle set in a third skylight point. In conclusion, the replacement of one long rail bar on the ordinary speed railway can be completed only by more than three construction skylights, and the outstanding problems of low mechanization degree, more construction matching manpower, low operation efficiency and the like exist. The operation speed of a motor train unit on the high-speed rail is high, and the steel rail is pre-unloaded on an operation line, so that the driving safety is seriously endangered, therefore, the rail replacement construction of the high-speed rail needs to finish a plurality of procedures of steel rail transportation, unloading, replacement, welding, collection and the like in one skylight point, and therefore, the operation method of multi-skylight step construction of the ordinary-speed railway is not suitable for the high-speed rail.
The seamless track integrated track changing method with the application publication number of CN 105369700A discloses a seamless track integrated track changing method, which has the following principle: comprises a group of rail changing trains and a group of rail receiving trains. The rail changing train sequentially comprises the following steps: locomotive, long rail transport vechicle group, on-vehicle rail flatbed that welds, rail replacing car, removal weld the rail car, receive the rail train and do in proper order from beginning to end: a material collecting vehicle and a rail collecting vehicle. The operation flow is as follows: s1: conveying a new rail on a long steel rail transport vehicle in the rail replacing train to the rail replacing train, and S2: and (5) replacing the new rail with the rail replacing vehicle and replacing the old rail with the next rail, and S3, recycling the old rail and the old material with the rail collecting train. The method is characterized by comprising a group of rail changing trains and a group of rail collecting trains, wherein the rail changing trains comprise a group of long steel rail transport vehicles for loading new rails, and the rail collecting trains comprise another group of long steel rail transport vehicles for collecting old rails, and the defects of more construction vehicle groups, more cooperation personnel, too long construction marshalling, incapability of stopping station lines, complex construction organization, low utilization rate of the long steel rail transport vehicles and the like exist.
Disclosure of Invention
The invention aims to overcome the problems and the defects of multi-skylight stepped construction, low degree of mechanization, more construction matching manpower, low operation efficiency and the like in the prior art and the operation method, and provides an integrated rail replacing operation method.
The invention is realized by the following technical scheme; the integrated rail replacing operation method comprises a train of construction vehicle set, a tractor, a fastener vehicle, a first operation vehicle, a second operation vehicle, a long steel rail transport vehicle set and a rail welding vehicle. The concrete construction steps are as follows:
the first step is as follows: and (3) operation alignment of a construction vehicle set: the construction vehicle group is dragged by the tractor to run to the operation terminal T, the fastener dismounting device is stopped when being located right above the operation terminal T, the welding rail vehicle and the construction vehicle group are unfolded and compiled and then automatically run to the position P1, and the distance between the P1 and the operation starting point S is larger than the length of the construction vehicle group and is reserved with enough safety distance.
The second step is as follows: and (4) leading a new rail into the operation vehicle: connecting a first winch with the P2 position of a first new rail, operating the first winch to pull the first new rail to move towards a second operation vehicle, operating a steel rail guide device to adjust the height and position of the first new rail when the A end of the first new rail reaches the rear end of the second operation vehicle, enabling the A end of the first new rail to pass through the second operation vehicle and enter a steel rail guide groove of the first operation vehicle, operating each steel rail clamp on the first operation vehicle, enabling the first new rail to sequentially pass through a third steel rail clamp and a second steel rail clamp of the first operation vehicle, opening the connection between the first winch and the first new rail after the A end of the first new rail passes through the first steel rail clamp, connecting the second winch with the A end of the first new rail, operating the second winch to pull the first new rail to move towards an operation terminal T, and opening the connection between the second winch and the A end of the first new rail after the A end of the first new rail reaches the operation terminal T, the a-end of the first new rail is secured to the ground.
The third step: pre-unloading a new rail by a construction vehicle set: the construction vehicle group operates at a constant speed from an operation terminal T to an operation starting point S to unload a new rail, the first new rail is gradually placed on two sides of the first old rail in the process, ground operators synchronously remove old fasteners after following a tractor, the construction vehicle group stops when the B end of the first new rail is positioned below a vehicle-mounted welding machine of a second operation vehicle, a first winch is operated to pull the second new rail to move towards the second operation vehicle, when the A end of the second new rail is positioned below the vehicle-mounted welding machine, the vehicle-mounted welding machine is operated to weld the B end of the first new rail and the A end of the second new rail, the first new rail and the second new rail are connected into a new long rail, the connection between the first winch and the second new rail is opened, the construction vehicle group continues to operate at a constant speed to unload the new long rail towards the operation starting point S until the operation starting point S is positioned between a third steel rail clamp and a fourth steel rail clamp to stop.
The fourth step: synchronously replacing new tracks and collecting old tracks: the fastener removing device and the fastener recycling device are placed on the old rail, ground operators remove old fasteners between an operation starting point S and the fastener removing device, a third steel rail clamp is operated to lift the old rail at one side of the fastener vehicle at the operation starting point S, a construction vehicle group runs at a constant speed from the operation starting point S to an operation terminal point T to start rail replacement, meanwhile, the fastener removing device is operated to remove the old fasteners, the third steel rail clamp is operated to guide the old rail into a steel rail guide groove of a first operation vehicle, a new long rail is simultaneously guided into a fourth steel rail clamp and a fifth steel rail clamp, when a bogie behind the first operation vehicle is close to the operation starting point S, the vehicle stops, the fifth steel rail clamp is operated to place the new long rail into a rail bearing groove, a rail head of the new long rail at the operation starting point S is butted with a rail head of the old rail on a line, a clamping plate is installed, the construction vehicle group continues to run at a constant speed to the operation terminal point T, when the old rail reaches the front end of a second operation vehicle, and operating the steel rail guide device to adjust the position and height of the old rail, enabling the old rail to enter the long steel rail transport vehicle set, synchronously installing a part of new fasteners below the second operation vehicle, stopping to cut off the old rail after the old rail entering the long steel rail transport vehicle set reaches a specified length, continuing to run towards an operation terminal T by the construction vehicle set, stopping removing the old fasteners when the fastener removing device reaches the operation terminal T, stopping when the fifth steel rail clamp is close to the operation terminal T, operating the fifth steel rail clamp to place the new long rail into the rail bearing groove, aligning the rail head of the new long rail at the operation terminal T with the rail head of the old rail on the line, installing a clamping plate, and simultaneously operating a third winch to pull the old rail to the long steel rail transport vehicle set. And (4) continuing to operate the construction vehicle set until the long steel rail transport vehicle set completely passes through the operation terminal T.
The fifth step: welding a rail: and the rail welding vehicle is used for welding the rail heads of the new long rail at the operation starting point S and the operation end point T with the rail head of the old rail on the line to form a long rail, and the ground operators install the residual fasteners.
Compared with the prior art and the operation method, the rail changing operation method has the advantages that the procedures of rail conveying alignment, new rail leading-in operation vehicle, new rail unloading, synchronous new rail changing-in, old rail recycling, rail welding and the like are completed in a skylight point through a train of construction vehicle sets and the operation method matched with the construction vehicle sets, and the purposes of clean finished material and clear walking field in the construction skylight point are achieved.
Drawings
The integrated rail-changing operation method provided by the invention is explained in detail below with reference to the accompanying drawings and specific embodiments:
FIG. 1 is a schematic illustration of the grouping and make-up of a construction consist;
FIG. 2 is a schematic flow chart of an integrated rail-changing operation method;
FIG. 3 is a schematic diagram showing the positional relationship between the new track and the old track in the third step;
FIG. 4 is a schematic diagram showing the positional relationship between the new track and the old track in the fourth step;
FIG. 5 is a diagram illustrating the synchronous renewing and recovering of an old track.
In the figure: 1. the system comprises a tractor, a fastener truck, a first working truck, a second working truck, a long steel rail transport truck group, a first welding rail truck, a second new rail, a third new rail, a fourth rail guide groove, a fifth rail clamp, a rear bogie, a rail guide device, a vehicle-mounted welding machine, a third rail, a fourth rail guide groove, a fifth rail clamp, a fourth rail guide device, a fourth rail guide groove, a fifth rail guide groove, a fourth rail guide, a fourth rail guide, a fourth rail guide rail, a fourth rail guide rail, a fourth rail guide rail, a fourth rail guide rail, The front end railhead of the second new rail, B, the rear end railhead of the first new rail and the rear end railhead of the second new rail.
Detailed Description
Referring to fig. 1, a construction car set consists of a tractor 1, a fastening car 2, a first work car 3, a second work car 4, a long rail transport car set 5, and a rail welding car 6. Wherein, the tractor 1 is a locomotive or a high-power rail car with a stepless speed change function of 0-120km/h, the construction car group runs at a high speed when going to and fro an operation site, and runs at a constant speed when in operation; the fastener car 2 is a rail vehicle with fastener removing and recycling functions, and the operation devices include but are not limited to a second winch 11, a fastener removing device 12 and a fastener recycling device 13; the first working vehicle 3 is a rail-mounted vehicle with the functions of unloading new rails, replacing rails and recovering old rails, and the working devices include but are not limited to a first winch 10, a first rail clamp 14, a second rail clamp 15, a third rail clamp 16, a fourth rail clamp 17, a rail guide groove 18 and a fifth rail clamp 19; the second working vehicle 4 is a rail-mounted vehicle with new and old rail guiding and new rail vehicle-mounted welding functions, and the working devices include but are not limited to a steel rail guiding device 21 and a vehicle-mounted welding machine 22; the long steel rail transport vehicle group 5 is a train with the functions of loading, locking and transporting 500m long steel rails, and the rear end of the train is provided with a third winch 23; the rail welding vehicle 6 is a mobile flash welding vehicle or a gas pressure welding vehicle with high and low speed self-running functions.
As shown in fig. 2, the specific operation flow is as follows:
the first step is that the construction vehicle set is operated and aligned: and the construction vehicle group runs to a work terminal T, the fastener removing device 12 is stopped when being positioned right above the work terminal T, and the welding rail vehicle 6 and the construction vehicle group are disassembled and then run to a position P1.
The second step is as follows: and (4) leading a new rail into the operation vehicle: connecting a first winch 10 with the P2 position of a first new rail 7, operating the first winch 10 to pull the first new rail 7 to move towards a second working vehicle 4, operating a steel rail guide device 21 to adjust the height and position of the first new rail 7 when the A end of the first new rail 7 reaches the rear end of the second working vehicle 4, enabling the A end of the first new rail 7 to pass through the second working vehicle 4 and enter a steel rail guide groove 18 of the first working vehicle 3, operating each steel rail clamp on the first working vehicle 3, enabling the first new rail 7 to sequentially pass through a second steel rail clamp 15 and a third steel rail clamp 16, opening the connection between the first winch 10 and the first new rail 7 after the A end of the first new rail 7 passes through a first steel rail clamp 14, connecting the second winch 11 with the A end of the first new rail 7, operating the second winch 11 to pull the first new rail 7 to move towards an operation terminal T, and when the A end of the first new rail 7 reaches the operation terminal T, the connection of the second hoisting machine 11 to the a-end of the first new rail 7 is opened and the a-end of the first new rail 7 is fixed to the ground.
The third step: and pre-unloading a new rail by the construction vehicle set. The construction vehicle group operates at a constant speed from an operation terminal T to an operation starting point S to unload new rails, the first new rail 7 is gradually placed on two sides of the first old rail 9, ground operators follow the tractor 1 to synchronously remove old fasteners, when the end B of the first new rail 7 is positioned below a vehicle-mounted welding machine 22 of a second operation vehicle, the first tractor 10 is operated to pull the second new rail 8 to move towards the second operation vehicle 4, when the end A of the second new rail 8 is positioned below the vehicle-mounted welding machine 22, the vehicle-mounted welding machine 22 is operated to weld the end B of the first new rail 7 and the end A of the second new rail 8, the first new rail 7 and the second new rail 8 are connected into a new long rail 25, the connection between the first tractor 10 and the second new rail 8 is opened, and the construction vehicle group continues to operate at a constant speed to unload new rails towards the operation starting point S until the operation starting point S is positioned between a third steel rail clamp 16 and a fourth steel rail clamp 17.
The fourth step: and synchronously replacing the new track and recovering the old track. The fastener removing device 12 and the fastener recycling device 13 are put down on the first old rail 9, the ground operator removes old fasteners from the operation starting point S to the fastener removing device 12, the third steel rail clamp 16 is operated to lift the first old rail 9 at the operation starting point S close to one side of the fastener car 2, the construction car group runs at a constant speed from the operation starting point S to the operation terminal point T to start rail replacement, the fastener removing device 12 is operated to remove the old fasteners, the third steel rail clamp 16 is operated to guide the first old rail 9 into the steel rail guide groove 18 of the first operation car 3, simultaneously, the new long rail is guided into the fourth steel rail clamp 17 and the fifth steel rail clamp 19, when the rear bogie 20 of the first operation car 3 is close to the operation starting point S, the fifth steel rail clamp 19 is operated to put the new long rail 25 into the rail bearing groove, the rail head of the new long rail 25 at the operation starting point S is butted with the rail head of the third old rail 26, and a clamping plate is installed, the construction vehicle group continues to run at a constant speed towards the operation terminal T, when the first old rail 9 reaches the front end of the second operation vehicle 4, the steel rail guide device 21 is operated to adjust the position and the height of the first old rail 9, so that the first old rail 9 enters the long steel rail transport vehicle group 5, and a part of new fasteners are synchronously installed below the second operation vehicle 4; when the first old rail 9 entering the long rail transport vehicle set 5 reaches the specified length, the vehicle stops to cut off the first old rail 9, the construction vehicle set continues to run at a constant speed towards the operation terminal T, when the fastener removing device 12 reaches the operation terminal T, the old fastener is stopped to be removed, when the fifth steel rail clamp 19 is close to the operation terminal T, the fifth steel rail clamp 19 is operated to place the new long rail 25 into the rail bearing groove, the rail head of the new long rail 25 at the operation terminal T is aligned with the rail head of the second old rail 24, then the clamp plate is installed, and meanwhile, the third winch 23 is operated to drag the first old rail 9 to the long rail transport vehicle set 5. And the construction vehicle set continues to run until the long steel rail transport vehicle set 5 completely passes through the operation terminal T.
The fifth step: and (6) welding the rail. The rail welding vehicle 6 welds the rail heads of the new long rail 25 at the work starting point S and the work end point T with the third old rail 26 and the second old rail 24 respectively to form a long rail, and the ground operator installs the residual fasteners.
As shown in fig. 3, the new long rail 25 is placed on both sides of the first old rail 9 after the third step is completed.
As shown in fig. 4 and 5, in the fourth step, the new long rail 25 is gradually dropped into the rail receiving groove by the first working vehicle 3, and the first old rail 9 is gradually recovered to the long rail transport vehicle group 5 by the first working vehicle 3 and the second working vehicle 4.
Claims (3)
1. The integrated rail replacing operation method is characterized in that: the rail replacing operation method comprises the following steps:
the first step is as follows: and (3) operation alignment of a construction vehicle set: the construction vehicle set runs to an operation terminal T, when the fastener removing device (12) is located right above the operation terminal T, the construction vehicle set stops, and the welding rail vehicle (6) and the construction vehicle set are disassembled and then run to a position P1;
the second step is as follows: and (4) leading a new rail into the operation vehicle: connecting a first winch (10) with the P2 position of a first new rail (7), operating the first winch (10) to pull the first new rail (7) to move towards a second operation vehicle (4), operating a steel rail guide device (21) to adjust the height and the position of the first new rail (7) when the A end of the first new rail (7) reaches the rear end of the second operation vehicle (4), enabling the A end of the first new rail (7) to pass through the second operation vehicle (4) and enter a steel rail guide groove (18) of the first operation vehicle (3), operating each steel rail clamp on the first operation vehicle (3) to enable the first new rail (7) to sequentially pass through a second steel rail clamp (15) and a third steel rail clamp (16), opening the connection of the first winch (10) with the first new rail (7) after the A end of the first new rail (7) passes through a first steel rail clamp (14), and connecting a second winch (11) with the A end of the first new rail (7), operating a second winch (11) to pull the first new rail (7) to move towards an operation terminal T, and after the end A of the first new rail (7) reaches the operation terminal T, opening the connection between the second winch (11) and the end A of the first new rail (7) and fixing the end A of the first new rail (7) to the ground;
the third step: pre-unloading a new rail by a construction vehicle set: the construction vehicle group operates at constant speed from an operation terminal T to an operation starting point S to unload the new rail, the first new rail (7) is gradually placed on two sides of a first old rail (9), ground operators synchronously remove old fasteners along with a tractor (1), when the B end of the first new rail (7) is positioned below a vehicle-mounted welding machine (22) of a second operation vehicle, the vehicle-mounted welding machine (22) is operated to weld the B end of the first new rail (7) and the A end of the second new rail (8) to move towards the second operation vehicle (4), when the A end of the second new rail (8) is positioned below the vehicle-mounted welding machine (22), the vehicle-mounted welding machine (22) is operated to connect the B end of the first new rail (7) and the A end of the second new rail (8), the first new rail (7) and the second new rail (8) are connected into a new long rail (25), the connection between the first crane (10) and the second new rail (8) is opened, and the construction vehicle group continues to operate at constant speed to unload the new rail towards the operation starting point S, stopping the machine until the operation starting point S is positioned between the third rail clamp (16) and the fourth rail clamp (17);
the fourth step: synchronously replacing new tracks and collecting old tracks: the fastener removing device (12) and the fastener recycling device (13) are placed on a first old rail (9) downwards, ground operators remove old fasteners between an operation starting point S and the fastener removing device (12), a third steel rail clamp (16) is operated to lift the first old rail (9) at the operation starting point S close to one side of the fastener vehicle (2), a construction vehicle group starts rail change from the operation starting point S to an operation terminal point T at a constant speed, the fastener removing device (12) is operated to remove the old fasteners at the same time, the third steel rail clamp (16) is operated to guide the first old rail (9) into a steel rail guide groove (18) of the first operation vehicle (3), a new long rail is guided into a fourth steel rail clamp (17) and a fifth steel rail clamp (19), when a rear bogie (20) of the first operation vehicle (3) approaches the operation starting point S, the vehicle stops, the fifth steel rail clamp (19) is operated to place the new long rail (25) into a rail bearing groove, butt-jointing the rail head of a new long rail (25) at an operation starting point S with the rail head of a third old rail (26) and installing a clamping plate, enabling the construction vehicle group to continuously run towards an operation terminal T at a constant speed, operating a steel rail guide device (21) to adjust the position and the height of the first old rail (9) when the first old rail (9) reaches the front end of the second operation vehicle (4), enabling the first old rail (9) to enter the long steel rail transport vehicle group (5), synchronously installing a part of new fasteners under the second operation vehicle (4), stopping to cut off the first old rail (9) when the first old rail (9) entering the long steel rail transport vehicle group (5) reaches a specified length, continuing to run towards the operation terminal T at the constant speed, stopping to remove the old fasteners when the fastener removing device (12) reaches the operation terminal T, and operating a fifth steel rail parking clamp (19) to place the new long rail (25) into a rail bearing groove when the fifth steel rail clamp (19) approaches the operation terminal T, aligning the railhead of a new long rail (25) at the operation terminal T with the railhead of a second old rail (24), installing a clamping plate, operating a third winch (23) to drag the first old rail (9) to a long steel rail transport vehicle set (5), and continuously operating the construction vehicle set until the long steel rail transport vehicle set (5) completely passes through the operation terminal T;
the fifth step: welding a rail: and the rail welding vehicle (6) respectively welds the rail heads of the new long rail (25) at the operation starting point S and the operation ending point T with the third old rail (26) and the second old rail (24) to form a long rail, and ground operators install the residual fasteners.
2. The integrated rail-changing operation method according to claim 1, wherein: after the third step is completed, the new long rail (25) is placed on both sides of the first old rail (9).
3. The integrated rail-changing operation method according to claim 1, wherein: and in the fourth step, the new long rail (25) gradually falls into the rail bearing groove through the first operation vehicle (3), and the first old rail (9) is gradually recovered to the long steel rail transport vehicle group (5) through the first operation vehicle (3) and the second operation vehicle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085822.4A CN112900168B (en) | 2021-01-22 | 2021-01-22 | Integrated rail replacing operation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085822.4A CN112900168B (en) | 2021-01-22 | 2021-01-22 | Integrated rail replacing operation method |
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| CN112900168A CN112900168A (en) | 2021-06-04 |
| CN112900168B true CN112900168B (en) | 2022-04-22 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH499687A (en) * | 1967-12-29 | 1970-11-30 | Plasser Bahnbaumasch Franz | Process for continuously progressing laying of rail tracks and device for carrying out the process |
| JPH07304447A (en) * | 1994-05-11 | 1995-11-21 | Central Japan Railway Co | Long rail transport vehicle |
| CN104452498A (en) * | 2013-09-25 | 2015-03-25 | 株洲旭阳机电科技开发有限公司 | Steel rail quick replacement method |
| CN104499390A (en) * | 2014-12-25 | 2015-04-08 | 西南交通大学 | Rail welding trolley multiple rail welding replacing construction method |
| CN105155370A (en) * | 2015-09-30 | 2015-12-16 | 株洲时代电子技术有限公司 | Continuous rail changing operation train and operation method thereof |
| 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 |
-
2021
- 2021-01-22 CN CN202110085822.4A patent/CN112900168B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH499687A (en) * | 1967-12-29 | 1970-11-30 | Plasser Bahnbaumasch Franz | Process for continuously progressing laying of rail tracks and device for carrying out the process |
| JPH07304447A (en) * | 1994-05-11 | 1995-11-21 | Central Japan Railway Co | Long rail transport vehicle |
| CN104452498A (en) * | 2013-09-25 | 2015-03-25 | 株洲旭阳机电科技开发有限公司 | Steel rail quick replacement method |
| CN104499390A (en) * | 2014-12-25 | 2015-04-08 | 西南交通大学 | Rail welding trolley multiple rail welding replacing construction method |
| CN105155370A (en) * | 2015-09-30 | 2015-12-16 | 株洲时代电子技术有限公司 | Continuous rail changing operation train and operation method thereof |
| 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 | Publication date |
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| CN112900168A (en) | 2021-06-04 |
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