CN222961830U - Off-vehicle welding integrated rail changing construction system - Google Patents
Off-vehicle welding integrated rail changing construction system Download PDFInfo
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- CN222961830U CN222961830U CN202422162195.1U CN202422162195U CN222961830U CN 222961830 U CN222961830 U CN 222961830U CN 202422162195 U CN202422162195 U CN 202422162195U CN 222961830 U CN222961830 U CN 222961830U
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Abstract
The application discloses an off-vehicle welding integrated rail changing construction system which comprises a first grouping train and a second grouping train, wherein the first grouping train comprises a first locomotive, a long rail car and a second locomotive which are sequentially connected from front to back, and the second grouping train comprises a third locomotive, a welding all-in-one machine, a welding rail car, a fourth locomotive, a rail collecting train set, a high-power rail car, a fifth locomotive, an auxiliary train set and a sixth locomotive which are sequentially connected from front to back. The application realizes the integrated construction modes of unloading, welding, changing and collecting rails on the same day in the 335-minute blocking implementation and in the 175-mm superhigh overlapping 25%o ramp section, not only can realize the clean work and material and the clean walking of people, but also can realize the construction of changing, welding and collecting two pairs of new rails on the premise of not using thermite welding in one skylight, and reduces the interference and the investment for transportation.
Description
Technical Field
The application belongs to the technical field of rail replacement construction, and particularly relates to an off-vehicle welding integrated rail replacement construction system.
Background
The existing rail changing construction organization mode is that a T11 long rail transport vehicle is used in advance to discharge long rail bars to be changed into a ballast shoulder or a rail core at the outer side of a steel rail, and an expansion-preventing pull rod is used for reinforcing the long rail bars to be changed. And welding the unit rail strips which are unloaded in the prior stage into long rail strips with the length of more than 1 km by using an offline welding operation mode in the day before rail replacement, and then continuously reinforcing by using an expansion-preventing pull rod. After the old rail is down the track on the same day, the rail is cut into about 500 meters and is continuously placed in the ballast shoulder or the track core at the outer side of the steel rail, and the expansion-preventing pull rod is adopted to strengthen the rail to be retracted. And (5) using a T11 long rail transport vehicle or cutting into short rails of 25 meters again according to construction arrangement, and recovering by using a rail collecting working device. However, the greatest problem of the construction organization is the potential safety hazard that long steel rails are placed in ballast shoulders or road cores at the outer sides of the steel rails for a long time.
Although the existing integrated rail replacement construction method is adopted, the vehicle-mounted welding equipment is added in the long rail train, so that all rail replacement operation in one skylight can be realized, and the material is completely removed and the walking of people is completely removed. However, after the vehicle-mounted welding equipment is added, the rail change pure operation time is correspondingly prolonged, the line blocking time is longer, and the transportation interference is larger. On the other hand, the existing integrated rail replacement construction method not only needs to purchase new equipment again, but also causes the reduction of the utilization rate of the existing mobile rail welding equipment and has poor economical efficiency. Therefore, how to realize all track changing operations in one skylight on the basis of using the existing mobile welding equipment needs to be explored and innovated.
Disclosure of utility model
The application aims to provide an off-vehicle welding integrated rail changing construction system, which realizes that the existing movable rail welding equipment is utilized, and in 335-minute blocking realization, the integrated construction modes of the rail unloading, the rail welding, the rail changing and the rail collecting on the same day are completed in a slope section of 25 per mill which is super-high and superimposed by 175mm, so that the material is completely used, the walking of people is clear, and the construction of two pairs of new rails is completed without thermite welding in one skylight, thereby reducing the interference and the fund investment on transportation.
The aim of the application is achieved by the following technical scheme:
The off-vehicle welding integrated rail changing construction system comprises a first grouping train and a second grouping train, wherein the first grouping train comprises a first locomotive, a long rail car and a second locomotive which are sequentially connected from front to back, and the second grouping train comprises a third locomotive, a welding integrated machine, a welding rail car, a fourth locomotive, a rail collecting train set, a high-power rail car, a fifth locomotive, an auxiliary train set and a sixth locomotive which are sequentially connected from front to back.
Further, the rail welding machine comprises a bicycle body, a crane, a rail welding supply unit, a rail welding machine body, an extension pipeline and a machine body support, wherein the bicycle body walks on the steel rail, the crane for lifting the rail welding machine body is arranged on the bicycle body, the rail welding machine body is arranged on the bicycle body or the machine body support, the machine body support is arranged on the track bed, and the rail welding machine body is communicated with the rail welding supply unit on the bicycle body through the extension pipeline when arranged on the machine body support.
Further, the machine body support comprises a first longitudinal support rod and a second longitudinal support rod which are arranged at the left side and the right side, a first transverse rod positioned at the front side and a second transverse rod positioned at the rear side are connected between the first longitudinal support rod and the second longitudinal support rod, machine body supports are arranged on the first longitudinal support rod and the second longitudinal support rod, and an upward protruding structure crossing a steel rail is formed on the first transverse rod and the second transverse rod.
Further, the first longitudinal supporting rod and the second longitudinal supporting rod are of straight rod structures, the first transverse rod and the second transverse rod are of 冂 -shaped structures, the supporting surface of the machine body support is a bending surface, and the bending surface comprises an inner supporting plane and an outer supporting inclined plane.
Further, the first longitudinal supporting rod and/or the second longitudinal supporting rod are/is provided with limiting lugs positioned on the front side and the rear side, the limiting lugs are connected with the bracket end of the limiting rope, and the other end of the limiting rope is a machine body end.
Further, the machine body support is firmly fixed on the ballast bed through the support component.
Further, the supporting component comprises a top supporting rod, one end of the top supporting rod is connected with a support clamping head, the other end of the top supporting rod is connected with a track clamping head, and 冂 -shaped clamping grooves are formed in the support clamping head and the track clamping head.
Further, the support component comprises a reverse pull rod, one end of the reverse pull rod is connected with a ballast bed buckle head, the ballast bed buckle head is an arc buckle plate, and a locking nut is arranged on a threaded part at the other end of the reverse pull rod.
Further, the rail collecting set comprises a first rail collecting device, a box wagon and a second rail collecting device which are sequentially connected from front to back.
Further, the auxiliary car group comprises a road flat car, a first passenger car, a second passenger car, a third passenger car and a fourth passenger car which are sequentially connected from front to back.
The application has the beneficial effects that:
(1) The rail unloading, welding, rail changing and rail collecting operation procedures of the railway line overhaul rail changing construction can be completed at one time within 335 minutes of blockage time in the 175mm ultra-high superposition 25 per mill ramp section.
(2) The potential safety hazard that the long steel rail is placed in the ballast shoulder or the road core at the outer side of the steel rail for a long time is eliminated.
(3) In the construction of overhauling rails in a slope section of 25 per mill with the ultra-high superposition of 175mm for the first time, thermite welding is eliminated comprehensively.
(4) The construction efficiency of overhaul rail replacement is further improved, construction which is finished by a plurality of skylights is carried out in one skylight, and the interference to transportation is greatly reduced.
(5) The small amount of capital investment achieves the same effect as the existing vehicle-mounted welding integrated construction method, so that the purchase of vehicle-mounted welding equipment is avoided, and meanwhile, the utilization rate of the existing YHGQ-1200 type pneumatic welding rail car and YHGR-1200 type welding integrated machine is greatly improved.
The aforementioned inventive concepts and their various further alternatives may be freely combined to form multiple concepts, all of which are employable and claimed herein, and the application may be freely combined between (non-conflicting choices) choices and with other choices as well. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or to limit the application to the precise forms disclosed.
Drawings
Fig. 1 is a schematic diagram of a consist of a first consist train of the present application.
Fig. 2 is a schematic diagram of a consist of a second consist train of the present application.
FIG. 3 is a schematic illustration of the split welding operation of the welded rail vehicle of the present application.
FIG. 4 is a schematic view of a split welding operation of the welded rail vehicle of the present application.
Fig. 5 is a perspective view of the body frame structure of the present application.
Fig. 6 is a side view of the body support structure of the present application.
In the figure, 10-a first marshalling train, 11-a first locomotive, 12-a long rail car, 13-a second locomotive, 20-a second marshalling train, 21-a third locomotive, 22-a welding and correcting integrated machine, 23-a welding rail car, 24-a fourth locomotive, 25-a rail collecting set, 26-a high-power rail car, 27-a fifth locomotive, 28-an auxiliary set and 29-a sixth locomotive.
231-Bicycle body, 232-crane, 233-welding rail supply unit, 234-welding rail machine body, 235-extension pipeline, 236-machine body support, 237-support component, 251-first rail collecting device, 252-box wagon, 253-second rail collecting device, 281-road flatcar, 282-first passenger car, 283-second passenger car, 284-third passenger car, 285-fourth passenger car.
2361-A first longitudinal strut, 2362-a second longitudinal strut, 2363-a first transverse rod, 2364-a second transverse rod, 2365-a body support, 2367-a limit lug, 2368-a limit cable, 2371-a top strut, 2372-a bracket clip, 2373-a rail clip, 2374-a counter pull rod, 2375-a ballast clip, 2376-a lock nut
Detailed Description
The application will be further described with reference to specific examples and figures.
Referring to fig. 1 to 6, an off-board welding integrated rail-change construction system includes a first marshalling train 10 and a second marshalling train 20.
The first consist 10 includes a first locomotive 11, a long rail car 12 (T11 long rail car) and a second locomotive 13 sequentially connected from front to back, and the second consist 20 includes a third locomotive 21, a positive welding machine 22 (YHGR-1200 type positive welding machine), a welded rail car 23 (YHGQ-1200 type pneumatic welded rail car), a fourth locomotive 24, a rail car set 25, a high power rail car 26, a fifth locomotive 27, an auxiliary car set 28 and a sixth locomotive 29 sequentially connected from front to back.
The first locomotive 11, the second locomotive 13, the third locomotive 21, the fourth locomotive 24, the fifth locomotive 27 and the sixth locomotive 29 are used for dragging other groups of vehicles to travel on the steel rail together as the basic condition of rail replacement construction.
The long rail car 12 is a T11 long rail car and is mainly used for steel rail unloading operation, and the car is provided with power for equipment such as a rail conveyor, a winch and the like by a 500kw generator set and is arranged in an equipment power room. The rail conveying machine is driven by a hydraulic motor, a power wheel of the rail conveying machine is closely attached to the bottom of a steel rail and is responsible for conveying a long steel rail into a rail unloading groove, power is provided for the first section of the long steel rail, the rail conveying machine is arranged in the middle of a tail working vehicle, and two rail bars can be conveyed simultaneously in symmetrical arrangement. The hoist is motor drive, and the tail of the operation car is arranged by recovering the lower part of the operation car into the T11 long rail transportation carriage through the steel wire rope. The first locomotive 11 can move forward by being matched with the long rail car 12, and meanwhile, the steel rail is gradually lowered to the ground.
The welding and correcting integrated machine 22 is YHGR-1200 type welding and correcting integrated machine, the YHGQ-1200 type welding and correcting integrated flash welding machine is of container type design, and is loaded on a road flat car for operation and is unpowered. All devices of the equipment are arranged inside the container and consist of two containers. The power room container is mainly internally provided with a 450kw Volvo generator set and an air dryer, and the working room container is internally provided with a YHGR-1200 welding-welding integrated flash welder, a crane, a cold water machine, a hydraulic pump station, an autotransformer and the like. The generator set provides power for the equipment, the autotransformer is matched with the current and the voltage required by welding operation, the air dryer is mainly responsible for filtering the moisture in compressed air to prevent corrosion of pipelines and parts, the hydraulic pump station provides power sources for all hydraulic actuating mechanisms of the welding machine and is uniformly controlled by a central control computer of the welding machine, and the whole-course automation of the welding operation is realized.
The welded rail car 23 is YHGQ-1200 type pneumatic welded rail car, and the YHGQ-1200 type pneumatic welded rail car is an integrated large-scale road maintenance machine for integrated railway line self-wheel running and welding operation. The four-wheel-drive type vehicle is characterized in that a road-wheel in-line 12-cylinder air-cooled engine is mounted as a power source, the running components are two groups of speed-up bogies, the bogies are of an H-shaped structural design, two power wheel pairs are mounted on the front bogie, and two non-power wheel pairs are mounted on the rear bogie. The power wheel pair is driven by a hydraulic motor suspended on the bogie, the hydraulic motor is connected with a hydraulic pump through a pipeline, the hydraulic pump is inserted on a transfer case, the transfer case is connected with an engine through a coupler, and a hydrostatic driving running loop with complete stroke is realized. The other core component of YHGQ-1200 type pneumatic welding rail car is the mounted GPW-1200 type pneumatic welding machine. The apparatus also uses an engine operating power source, powered by a hydraulic pump that is plugged onto the transfer case. The front end of YHGQ-1200 pneumatic welding rail is provided with a double-arm crane, the welding machine is connected with the crane through a hanging chain, and the accurate alignment of the welding machine can be realized by operating the crane. The action of each executive component, the gas flow control and the like of the GPW-1200 type air pressure welder are controlled by a central control computer, and the whole-course automation of welding operation is realized by sending out executive signals through a PLC.
The rail collecting vehicle group 25 comprises a first rail collecting device 251, a box wagon 252 and a second rail collecting device 253 which are sequentially connected from front to back, and the middle function of the box wagon is to ensure that two groups of rail collecting devices can work simultaneously when parking at one time. When the old rail of the overhead road is cut into short rails of 24.5 meters by using a gas cutting mode, the short rails are recovered by using an LSD-I rail recovering working device. The LSD-I type rail collecting working device cantilever steel frame main beam is formed by welding box girders, a Kangming Si 30kw generator set is arranged to provide power, a winch is driven by a motor, a steel wire rope is arranged along the cantilever steel frame, the load of the winch is reduced through a pulley block, and the lifting function of a heavy object is realized. The hydraulic cylinder is arranged on the cantilever steel frame, so that transverse force can be provided to enable the sliding part at the upper part of the cantilever steel frame to transversely move, and the horizontal transverse movement work of the weight is realized. The fourth locomotive 24 cooperates with the rail collecting train set 25 to realize forward running and recover the cut short rail.
The auxiliary train set 28 comprises a road flat car 281, a first guest car 282, a second passenger car 283, a third passenger car 284 and a fourth passenger car 285 which are sequentially connected from front to back, the fifth locomotive 27 pulls the auxiliary train set for material collecting operation, the road flat car 281 is used for charging, and the passenger car is used for taking by operators.
The weld rail car 23 includes a bicycle body 231, a crane 232, a weld rail supply unit 233, a weld rail body 234, an extension line 235, a body bracket 236, and a support assembly 237.
The bicycle body 231 walks on the steel rail, and can realize a self-walking function, and other structures and units of the loading welding rail vehicle move in a running way. The crane 232 for lifting the welding rail body 234 is arranged on the bicycle body 231, the crane 232 is arranged at the rear part of the bicycle body 231, the crane 232 has the functions of horizontal rotation and lifting, and the welding rail body 234 is lifted downwards from the bicycle body 231 or the welding rail body 234 is lifted and recovered from the bracket to the bicycle body 231 by using the crane.
The welding rail body 234 is mounted on the bicycle body 231 or the body bracket 236, and is transferred on the bicycle body 231 and is welded on the body bracket 236. When the welding rail body 234 is arranged on the body bracket 236, the welding rail body 234 is communicated with the welding rail supply unit 233 on the bicycle body 231 through the extension pipeline 235, so that the welding rail supply unit 233 keeps the supply capacity of the welding rail body 234 after the welding rail body 234 is separated from the bicycle body 231. The weld rail body 234 provides water, electricity, gas, and oil required for operation.
The machine body bracket 236 is arranged on the ballast bed, and the machine body bracket 236 is used for realizing the arrangement and fixation of the welding rail machine body, so that the height and the space are provided for the welding rail. The body support 236 is fixed on the ballast bed through the support assembly 237, and the support assembly 237 is utilized to provide transverse supporting force for the body support 236, so that the body support 236 can still be kept stable under transverse and/or longitudinal gradients, relative sliding does not occur, and the influence on operation stability is avoided.
The body support 236 includes a first longitudinal strut 2361, a second longitudinal strut 2362, first and second cross bars 2363 and 2364, a body support 2365, a stop tab 2367, and a stop cable 2368.
The first and second longitudinal struts 2361 and 2362 are disposed on the left and right sides, respectively, and the first and second crossing bars 2363 and 2364 are disposed on the front and rear sides, respectively. A first cross bar 2363 and a second cross bar 2364 are welded between the first longitudinal bar 2361 and the second longitudinal bar 2362, thereby forming a main body frame of the bracket. The two longitudinal support rods are used for supporting transition between the rail welding machine body and the track bed, and the two transverse support rods are used for forming a whole body of the frame and realizing crossing of the steel rail.
The first vertical supporting rod 2361 and the second vertical supporting rod 2362 are both of straight rod structures, preferably steel square tubes, and can be stably placed on a ballast bed, and meanwhile, the machine body support 2365 is convenient to place. The first spanning rod 2363 and the second spanning rod 2364 are respectively provided with an upward protruding structure which spans the steel rail, and preferably, the first spanning rod 2363 and the second spanning rod 2364 are respectively provided with a 冂 -shaped structure formed by welding steel square pipes, so that the bracket can span the steel rail, and the bracket is arranged.
The first longitudinal support rod 2361 and the second longitudinal support rod 2362 are both welded with the machine body support seat 2365, and the two longitudinal support rods are both welded with the two machine body support seats 2365, so that rectangular four-point support placement is formed, and stable placement of a welding rail machine body can be ensured.
The first longitudinal support rod 2361 and/or the second longitudinal support rod 2362 are/is connected with a limit lug 2367 positioned on the front side and the rear side in a threaded manner, the limit lug 2367 is connected with a support end of a limit cable 2368, the other end of the limit cable 2368 is a machine body end, after a welding track machine body is placed on the support, the machine body end of the limit cable 2368 is connected with the welding track machine body, the welding track machine body is longitudinally moved in a certain range by utilizing flexible connection of the limit cable 2368, and when the welding track machine body is moved to a limit position, the welding track machine body is pulled by the limit cable 2368 to limit the welding track machine body to continue moving.
The support assembly 237 is a top support and includes a top support bar 2371, a bracket clamp 2372, and a rail clamp 2373. One end welding connection of top brace 2371 has support chuck 2372, is equipped with 冂 font draw-in groove on the support chuck 2372, realizes that support chuck 2372 card is established on first vertical branch 2361 or second vertical branch 2362, and the other end welding connection of top brace 2371 has track chuck 2373, is equipped with 冂 font draw-in groove on the track chuck 2373, realizes that track chuck 2373 card is established on the rail that is close with vertical branch. The steel rail positioned under the slope of the bracket is used as a jacking support, and the stability of the bracket of the machine body is kept through the jacking rod 2371, so that the downward sliding of the bracket during operation is avoided.
Or support assembly 237 is counter-pulling and includes counter-pulling rod 2374, ballast button 2375 and locking member. One end of the reverse pull rod 2374 is connected with a ballast bed buckle head 2375, the ballast bed buckle head 2375 is an arc buckle plate and is locked on the reverse pull rod 2374 through a nut, and the ballast bed buckle head 2375 is reversely buckled at the upper end angle of the side part of the ballast bed and keeps the state of being attached to the ballast bed. The other end of the counter pull rod 2374 is provided with a locking member, preferably a locking nut 2376 is provided on a threaded portion of the other end of the counter pull rod 2374, and the threaded portion passes through the longitudinal support rod and is fixed to the longitudinal support rod by the locking nut 2376. The side part of the ballast bed on the slope is used as a counter-pulling support, and the stability of the machine body support is kept through the counter-pulling rod 2374, so that the downward sliding of the machine body support during operation is avoided.
The foregoing basic embodiments of the application, as well as other embodiments of the application, can be freely combined to form numerous embodiments, all of which are contemplated and claimed. In the scheme of the application, each selection example can be arbitrarily combined with any other basic example and selection example.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2024218304852 | 2024-07-31 | ||
| CN202421830485 | 2024-07-31 |
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| CN222961830U true CN222961830U (en) | 2025-06-10 |
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| CN202422162195.1U Active CN222961830U (en) | 2024-07-31 | 2024-09-04 | Off-vehicle welding integrated rail changing construction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118880683A (en) * | 2024-07-31 | 2024-11-01 | 中国铁路成都局集团有限公司成都工务大修段 | A non-vehicle-mounted welding integrated rail replacement construction method |
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2024
- 2024-09-04 CN CN202422162195.1U patent/CN222961830U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118880683A (en) * | 2024-07-31 | 2024-11-01 | 中国铁路成都局集团有限公司成都工务大修段 | A non-vehicle-mounted welding integrated rail replacement construction method |
| CN118880683B (en) * | 2024-07-31 | 2026-01-06 | 中国铁路成都局集团有限公司成都工务大修段 | A non-vehicle-mounted integrated rail replacement construction method |
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