CN112537336B

CN112537336B - Rail gauge changing method for railway vehicle

Info

Publication number: CN112537336B
Application number: CN202011364965.0A
Authority: CN
Inventors: 胡海平; 徐勇; 汤楚强; 刘凤伟; 肖光毅; 汪勇
Original assignee: CRRC Yangtze Co Ltd
Current assignee: CRRC Yangtze Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2022-05-03
Anticipated expiration: 2040-11-27
Also published as: CN112537336A

Abstract

The invention belongs to the technical field of railway vehicles, and particularly relates to a method for changing track gauge of a railway vehicle. The method comprises the following steps: operating a railway vehicle to stop at a junction between railways of different gauges; temporarily supporting a railway vehicle by a vehicle supporting unit; quickly disassembling the axle assembly on the railway vehicle; the wheel axle composition of the gauge railway corresponding to the adaptive destination is adjusted, and the wheel axle composition of the gauge railway corresponding to the adaptive destination is quickly installed on the railway vehicle; and (4) converting the railway vehicle to an axle of the railway with the corresponding track gauge of the adaptive destination to form a support. The invention can realize the high-efficiency high-reliability variable-track-pitch railway transportation.

Description

Rail gauge changing method for railway vehicle

Technical Field

The invention belongs to the technical field of railway vehicles, and particularly relates to a method for changing track gauge of a railway vehicle.

Background

With the rapid development of global economy integration, the transnational passenger and cargo transportation is rapidly increased in recent years, however, due to the fact that the rail gauges of railways of various countries are different, serious obstacles are caused to transnational railway transportation, and the transportation problem of different rail gauges is of great significance.

In the prior art, measures for solving the problem of combined transportation of railways with different track gauges mainly comprise four measures of unifying a line, transporting and exchanging a running part and adopting a track gauge-variable bogie, wherein the current common measure is to adopt a method of transporting and exchanging the running part, so that a large field is occupied, manpower is required to be matched, and the track-changing efficiency is low. The method for unifying the lines can fundamentally solve the problem of gauge difference, but has high investment cost and long construction period. The track gauge changing bogie technology is a technology for adjusting the inner side gauge of a wheel through a special mechanism to adapt to different track gauges, and has great advantages in track changing efficiency.

At present, the basic principles of the main track-distance-variable bogie technology of the railway freight car in the world are different, namely a set of locking mechanism is added between a wheel and an axle, and the wheel and the axle do not move relatively through the locking mechanism in normal operation; when the wheel moves along the axial direction of the axle under the action of the ground equipment until the wheel reaches a position capable of adapting to a new track gauge, the releasing mechanism of the locking mechanism is separated from the ground track-changing equipment, and the locking mechanism is locked again.

The variable-track-pitch bogie has certain technical limitations, the wheel pair locking mechanism controls the locking and releasing of wheels, after long-term track changing action, the abrasion of the locking mechanism directly influences the running quality of a vehicle, frequent maintenance is needed to ensure the reliability of the mechanism, and the reliability and the service performance of the mechanism are still to be improved.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a rail distance changing method for railway vehicles, so as to realize high-efficiency and high-reliability rail distance changing railway transportation.

The technical scheme of the invention is as follows:

a method of gauge changing for a railway vehicle, the method comprising:

operating a railway vehicle to stop at a junction between railways of different gauges;

temporarily supporting a railway vehicle by a vehicle supporting unit;

quickly disassembling the axle assembly on the railway vehicle;

the wheel axle composition of the gauge railway corresponding to the adaptive destination is adjusted, and the wheel axle composition of the gauge railway corresponding to the adaptive destination is quickly installed on the railway vehicle;

and (4) converting the railway vehicle to an axle of the railway with the corresponding track gauge of the adaptive destination to form a support.

Further, the temporarily supporting the railway vehicle by the vehicle supporting unit specifically includes:

the vehicle supporting units are arranged at junctions between railways with different track gauges, when the railway vehicle stops at the junctions between the railways with different track gauges, one vehicle supporting unit is arranged below the bottom of each side frame assembly on two sides of a bogie of the railway vehicle, and the railway vehicle is temporarily supported by the vehicle supporting units through synchronous jacking of the vehicle supporting units.

Further, the quick wheel axle of dismantling on the rail vehicle constitutes specifically includes:

when the railway vehicle stops at a junction between railways with different track gauges, axle supports are arranged below the bottoms of two ends of each axle of a bogie of the railway vehicle and are arranged on a lifting platform, the lifting platform is operated to ascend to drive the axle supports to ascend, and the axle supports are butted and support the axles;

the lifting platform is operated to descend to drive the wheel shaft support to descend, and the wheel shaft support drives the wheel shaft assembly supported in a butt joint mode to descend, so that the wheel shaft assembly is separated from the bogie.

Furthermore, after the quick disassembling of the axle assembly on the railway vehicle, the method further comprises the following steps:

after the wheel axle support descends to the wheel axle conveying unit, the wheel axle support and the wheel axle assembly are conveyed to the wheel axle library system under the action of the wheel axle conveying unit, and the wheel axle library system stores wheel axle assemblies with different track gauges.

Further, after the wheel shaft support and the wheel shaft assembly are conveyed to a wheel shaft warehouse system, the specifications and the sizes of the disassembled wheel shaft assembly are classified and stored.

Furthermore, after the axle support and the axle assembly are conveyed to an axle library system, the specification and the size of the disassembled axle assembly are classified and stored, and the method specifically comprises the following steps:

after the wheel shaft support and the wheel shaft assembly are conveyed to the wheel shaft storage system, the size and the specification of the wheel shaft assembly are detected through the wheel shaft detection unit to determine the size and the specification information of the disassembled wheel shaft assembly, the wheel shaft detection unit transmits the determined information to the wheel shaft control unit, the wheel shaft control unit classifies according to the size and the specification of the wheel shaft assembly and controls the wheel shaft transmission unit to store the wheel shaft assembly in the corresponding wheel shaft storage unit in the wheel shaft storage system in a classified mode.

Further, the method for obtaining the wheel axle composition of the gauge railway corresponding to the adaptive destination specifically comprises the following steps:

the wheel shaft control unit controls the wheel shaft transmission unit to extract the wheel shaft composition with the corresponding specification from the wheel shaft storage unit according to the requirement information, and the specification of the selected wheel shaft composition is detected through the wheel shaft detection unit;

if the situation exceeding the regulation is found, the wheel axle detection unit transmits unqualified information to an information center of the hub, and transmits the unqualified wheel axle composition to a to-be-processed area of the wheel axle storage unit;

if the extracted axle assembly meets the specification required by the demand information, the extracted axle assembly with the axle bracket is conveyed to the corresponding position of the installation axle assembly on the lifting platform through the axle conveying unit 330.

Further, the quickly installing the wheel axle assembly adapted to the gauge railway corresponding to the destination on the railway vehicle specifically includes:

and operating the lifting platform to synchronously lift the lifting platform and the wheel axle bracket, and installing the wheel axle assembly on a bogie of the railway vehicle.

Further, the axle component support for converting the railway vehicle to the railway with the corresponding gauge adapted to the destination specifically comprises:

the vehicle supporting unit is operated to descend, and the weight of the railway vehicle is supported by the wheel axle assembly of the railway corresponding to the track gauge of the adaptive destination.

Further, the shaft is constituteed and is included the axletree, the axial both ends of axletree all are provided with shaft positioner, every shaft positioner all includes:

the bottom of the bearing saddle is provided with a first positioning opening, the axial end part of the axle is arranged in the first positioning opening, the top of the bearing saddle is provided with a first positioning groove, and the side part of the bearing saddle is provided with a second positioning groove;

the positioning block is fixedly arranged on a side frame assembly of the bogie, the positioning block and the bearing saddle are correspondingly arranged, the positioning block is provided with a first positioning bulge, and the first positioning bulge of the positioning block can be embedded in a first positioning groove of the corresponding bearing saddle;

the side frame assembly is provided with a second positioning bulge, and the second positioning bulge can be embedded in a second positioning groove of the corresponding bearing saddle;

when the wheel axle assembly of the railway with the corresponding track gauge to the destination is quickly installed on the railway vehicle, when the wheel axle assembly is in a falling position, the first positioning groove of the bearing saddle and the first positioning bulge of the positioning block realize transverse automatic centering, and the second positioning groove on the bearing saddle and the second positioning bulge realize longitudinal centering, so that the wheel axle assembly is positioned in a correct range.

The invention has the beneficial effects that:

the invention discloses a rail gauge changing method for railway vehicles, which is characterized in that when the vehicles pass through railways with different rail gauges, the vehicles are quickly replaced by wheel shafts capable of adapting to the corresponding rail gauges, the mature structure of the conventional bogie wheel set of a railway wagon is reserved, the overhauling and maintenance are not different from the conventional bogie wheel set of the railway wagon, the influence on the running reliability of the vehicles after the locking mechanism is abraded and loosened by wheels in the conventional rail gauge changing bogie technology is avoided, and the locking mechanism of the wheel set is not required to be frequently maintained, so that the high-efficiency and high-reliability rail gauge changing railway transportation is realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a track-pitch-variable bogie of the present embodiment;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a schematic structural diagram of the braking device of the present embodiment;

FIG. 5 is a schematic structural view of the axle assembly of the present embodiment;

FIG. 6 is a schematic diagram of a docking of a variable-gauge bogie with an axle locator to a ground axle changer;

FIG. 7 is a disassembled schematic view of the axle positioning device of the present embodiment;

FIG. 8 is a schematic cross-sectional view of FIG. 7;

FIG. 9 is a structural view of another embodiment of the axle locator of the present embodiment;

FIG. 10 is a schematic diagram of a system for a method of changing the track gauge of a railway vehicle according to an embodiment of the present invention;

FIG. 11 is a schematic layout diagram of the train system of FIG. 10;

FIG. 12 is a schematic layout of the axle garage system of FIG. 10;

FIG. 13 is a schematic layout of the dump axle system of FIG. 10;

FIG. 14 is a schematic flowchart of a method for changing the track gauge of a railway vehicle according to the present embodiment;

in the drawings:

1-wheel shaft assembly, 11-wheel, 12-wheel shaft, 13-shaft disc, 14-rolling bearing device, 2-wheel shaft positioning device, 21-bearing saddle, 211-first positioning groove, 212-second positioning groove, 22-clamping hoop, 23 positioning block, 231 first positioning bulge, 24-bolt, 25-nut, 26-flexible piece, 3-side frame assembly, 31-second positioning bulge, 311-second guide inclined plane, 4-swing bolster assembly, 41-swing bolster, 411-brake cantilever, 5-brake device, 51-jaw brake unit, 6-lower side bearing and 7-central spring suspension vibration damper;

100-train system, 110-vehicle, 111-bogie, 120-locomotive, 200-axle garage system, 210-axle storage unit, 220-axle transmission unit, 230-axle detection unit, 240-axle control unit, 300-axle unloading system, 310-vehicle support unit, 320-lifting platform, 330-axle conveying unit, 331-axle support, 400-pushing system, 410-trailer boom.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The first embodiment is as follows:

the present embodiment discloses a railway vehicle that includes a variable gauge bogie.

Fig. 1 is a schematic structural diagram of a variable-track-pitch bogie of the present embodiment, fig. 2 is a schematic top view of fig. 1, and fig. 3 is a schematic side view of fig. 1, and with reference to fig. 1 to fig. 3, the variable-track-pitch bogie of the present embodiment includes two wheel axle assemblies 1, four sets of wheel axle positioning devices 2, one frame, one bolster assembly 4, one set of brake device 5, two lower side bearings 6, two sets of central spring suspension damping devices 7, and the like, wherein the frame of the present embodiment includes two side frame assemblies 3.

Fig. 4 is a schematic structural diagram of the braking device of this embodiment, and referring to fig. 4, the braking device 5 of this embodiment employs four sets of clamping braking units 51, and the clamping braking units 51 are assembled on the braking cantilever 411 of the bolster 41 in the bolster assembly 4 by bolts.

Of course, the brake joist may be disposed between the two side frame assemblies 3, and the brake device 5 may be assembled on the brake joist by bolts.

Fig. 5 is a schematic structural diagram of the wheel axle assembly of the present embodiment, and referring to fig. 5, the two wheel axle assemblies 1 of the present embodiment are oppositely arranged on the frame along the longitudinal direction, each wheel axle assembly 1 includes an axle 12, and a wheel 11, a hub 13 and a rolling bearing device 14 fixedly press-fitted on the axle 12, the wheel 11, the hub 13 and the rolling bearing device 14 are oppositely arranged, the two hubs 13 are arranged between the two wheels 11, and the two rolling bearing devices 14 are arranged outside the two wheels 11.

In this embodiment, the wheel 11, the axle disc 13, and the rolling bearing device 14 may be press-fitted on the axle 12 in an interference fit manner, each gauge is configured with an axle assembly 1 in size, the assembly size "B" of the wheel 11 is matched with the corresponding gauge, the assembly size "a" of the axle disc 13, and the assembly size "C" of the rolling bearing device 14 are configured so that the axle assemblies 1 of all the specifications are consistent with the mounting interface of the bogie, and the axle assemblies 1 of the corresponding specifications are mounted when the vehicle runs on the rails with different gauges.

In order to replace the axle assemblies 1 with different specifications, the bogie of the present embodiment is further provided with an axle positioning device, fig. 6 is a structural schematic view of a butt joint of a track-variable bogie with the axle positioning device and a ground axle replacement device, fig. 7 is a disassembly schematic view of the axle positioning device of the present embodiment, fig. 8 is a sectional schematic view of fig. 7, and with reference to fig. 6 to 8, in the present embodiment, axle positioning devices 2 are respectively disposed at two axial ends of an axle composed of each axle, and each axle positioning device 2 includes a bearing saddle 21 and a positioning block 23, specifically:

in this embodiment, the bottom of the bearing saddle 21 is provided with a first positioning opening, the axial end of the axle 12 is disposed in the first positioning opening, the top of the bearing saddle 21 is provided with a first positioning groove 211, the side of the bearing saddle 21 is provided with a second positioning groove 212, the positioning block 23 is fixedly disposed on the side frame assembly 3 on the same side, the positioning block 23 and the bearing saddle 21 are correspondingly disposed, the positioning block 23 is provided with a first positioning protrusion 231, the first positioning protrusion 231 of the positioning block 23 can be embedded in the first positioning groove 211 of the corresponding bearing saddle 21, the side frame assembly 3 is provided with a second positioning protrusion 31, and the second positioning protrusion 31 can be embedded in the second positioning groove 212 of the corresponding bearing saddle 21.

When a vehicle supporting unit on the ground is supported at the bottom of the side frame assembly 3, the wheel axle assembly 1 is quickly disassembled through the wheel axle bracket on the ground, the wheel axle assembly 1 with the bearing saddle 21 is separated from a bogie, a new wheel axle assembly 1 adapting to the corresponding track gauge is lifted and installed on the bogie, when the wheel axle assembly 1 falls, the first positioning groove 211 of the bearing saddle 21 and the first positioning bulge 231 of the positioning block 23 realize transverse automatic centering, and the second positioning groove 212 on the bearing saddle 21 and the second positioning bulge 31 realize longitudinal centering, so that the wheel axle assembly 1 falls in a correct range.

Further, with reference to fig. 7 and 8, the first positioning groove 211 of this embodiment is arc-shaped, the central axis of the first positioning groove 211 is longitudinally arranged, two axial ends of the first positioning groove 211 are open, the first positioning protrusion 231 corresponding to the first positioning groove 211 is also arc-shaped, the bottom edge of the groove bottom of the second positioning groove 212 is provided with a first guiding inclined plane, and the second positioning protrusion 31 corresponding to the second positioning groove 212 has a second guiding inclined plane 311 matched with the inclined plane, so as to facilitate the positioning of the second positioning groove and the second positioning protrusion 31 on the bearing saddle 21.

The positioning block 23 of the present embodiment may be fixed on the side frame assembly 3 by welding, riveting or bolting, and the second positioning protrusion 31 may also be integrated on the positioning block 23, which is not limited in this embodiment.

Referring to fig. 7 and 8, in this embodiment, the first positioning opening may be a semi-circle, and the axle positioning device 2 further includes a clampband 22, the clampband 22 is disposed at the bottom of the bearing saddle 21, a second positioning opening is disposed at the top of the clampband 22, and the second positioning opening and the first positioning opening enclose a positioning hole to wrap the end of the axle.

In this embodiment, referring to fig. 6, in this embodiment, an interface is provided at the bottom of the clampband 22, when the axle assembly 1 is replaced, the clampband 22 is connected to the axle bracket, and the bearing saddle 21 and the clampband 22 are assembled and disassembled together with the axle assembly 1.

Further, with reference to fig. 7 and 8, in this embodiment, the bottom of each of the two longitudinal sides of the bearing saddle 21 is provided with a first connecting plate, the top of each of the two longitudinal sides of the clampband 22 is provided with a second connecting plate, and the first connecting plate and the second connecting plate on the same side are fixedly connected in an abutting joint, so as to realize the assembly of the clampband 22 and the bearing saddle 21.

In this embodiment, the first connecting plate and the second connecting plate on the same side can be fixedly butted through the matching of the bolt 24 and the nut 25, and of course, other modes such as a hoop and the like can also be adopted for fixed connection, and this embodiment does not limit this.

Further, in this embodiment, the weight of clampband 22 is greater than the weight of adapter 21, and may be achieved by adding a weight to clampband 22, such that adapter 21 is located above the end of axle 12 and clampband 22 is located above the end of axle 12 under the influence of gravity, and the centroids of both are maintained on a vertical line.

Further, in the present embodiment, the rolling bearing device 14 on the axle 12 may be positioned in the first positioning opening provided in the bottom portion of the bearing adapter 21.

Example two:

the difference between the second embodiment and the first embodiment is that: in this second embodiment, the clamp 22 is not provided, fig. 9 is a structural intention of another implementation manner of the wheel axle positioning device of this embodiment, referring to fig. 9, in this case, a central angle of the first positioning opening is less than or equal to 180 °, the bearing saddle 21 is connected to the side frame assembly 3 of the frame on the same side through the flexible member 26, the flexible member 26 may be in the form of a chain, a steel cable, or the like, and has a certain loosening margin, in this case, the bearing saddle 21 is not mounted and dismounted together with the wheel axle assembly, and when the wheel axle assembly 1 is located, the wheel axle assembly 1 is located within a correct range through the matching of the bearing saddle 21 and the positioning block 23.

Example three:

based on the railway vehicle with the track-variable bogie, the embodiment also discloses a track-variable method of the railway vehicle.

Fig. 10 is a schematic diagram of a system applied by a method for changing a track gauge of a railway vehicle according to the present embodiment, and with reference to fig. 10, the system applied by the method for changing a track gauge of a railway vehicle according to the present embodiment includes a train system 100, an axle garage system 200, an axle unloading system 300, and a push system 400, wherein: the vehicle 110 in the train system 100 is provided with a bogie 111 of the quickly detachable axle assembly 1; the wheel shaft warehouse system 200 is a three-dimensional intelligent warehouse for storing wheel shafts in a classified manner to form a system 1; the wheel axle dismounting system 300 is used for dismounting the wheel axle assembly 1 from the vehicle 110 and transmitting the wheel axle assembly 1 to the wheel axle library system 200 for storage, or taking the wheel axle assembly 1 out of the wheel axle library system 200 and transmitting and mounting the wheel axle assembly on the vehicle 110; the pushing system 400 pushes the train system 100 forward through the pulling arm 410 and stops the train system 100 at a designated position for axle unloading.

Fig. 11 is a schematic layout view of the train system of fig. 10, and in conjunction with fig. 11, the train system 100 of this embodiment is towed by a locomotive 120 and is formed by a plurality of trains 110, and the trains 110 are provided with bogies 111 formed by quickly detachable axle assemblies 1.

Fig. 12 is a schematic layout view of the axle library system in fig. 10, and referring to fig. 12, the axle library system 200 includes an axle storage unit 210, an axle transmission unit 220, an axle detection unit 230, and an axle control unit 240, the axle library system 200 is a three-dimensional intelligent storage library having the functions of storing, transmitting, and controlling the axle components 1, the axle transmission unit 220 is docked with the wheel axle removal system 300, transmits the axle components 1 removed from the vehicle 110, and detects the size and specification of the axle components 1 through the axle detection unit 230, the axle detection unit 230 transmits the detection information to the axle control unit 240, the axle control unit 240 classifies according to the specification and size of the axle components 1, and controls the axle transmission unit 220 to store the axle components 1 in the axle storage unit 210. Meanwhile, the axle control unit 240 controls the axle transmission unit 220 to take out the axle assembly 1 of the corresponding specification from the axle storage unit 210 according to the demand information of the axle-to-axle system 300 and transmit the same to the axle-to-axle system 300. When the incoming axle composition 1 passes through the axle detecting unit 230, and a condition exceeding the specification is found, the axle detecting unit 230 transmits the disqualification information to the information center of the hub, and transmits the disqualification axle composition 1 to the to-be-processed area of the axle storing unit 210.

Fig. 13 is a schematic layout view of the unloading wheel axle system 300 of fig. 10, which is installed at the junction of two gauges of railway in a train and includes a vehicle supporting unit 310, a rail lifting platform 320 and a wheel axle conveying unit 330, in conjunction with fig. 13. When the vehicle 110 is pushed to a designated position by the pushing system 400, the vehicle supporting unit 310 is lifted and supports the entire weight of the vehicle 110 instead of the wheel axle assembly 1, the wheel axle bracket 331 of the wheel axle conveying unit 330 is lifted to abut against and support the wheel axle assembly 1 so as not to move horizontally, then the wheel axle bracket 331 and the rail lifting platform 320 are lowered together and sink into the wheel axle conveying passage below, the wheel axle bracket 331 and the wheel axle assembly 1 are conveyed to the wheel axle library system 200 by the transmission device of the wheel axle conveying unit 330, in addition, the wheel axle assembly 1 input by the wheel axle library system 200 is moved to the corresponding position of the wheel axle assembly 1 mounted on the rail lifting platform 320 by the wheel axle conveying unit 330, then the rail lifting platform 320 and the wheel axle bracket 331 are lifted together to mount the wheel axle assembly 1 on the vehicle 110, the vehicle supporting unit 310 is lowered, the weight of the vehicle 110 is supported by the wheel axle assembly 1, the unloading hub system 300 is withdrawn by the pushing system 400.

Fig. 14 is a schematic flowchart of a method for changing the track gauge of a railway vehicle according to the present embodiment, and with reference to fig. 10 to 14, the method for changing the track gauge of a railway vehicle includes:

s1: operating a railway vehicle to stop at a junction between railways of different gauges.

Specifically, the method comprises the following steps: in this embodiment, only one working area may be set at the junction of the gauge railway, where the working area may be the length of one vehicle, and the axle-dismounting system 300 is set on the working area, when the axle composition of the train is changed, the first vehicle of the train system is pulled to the working area by the locomotive 120, and after the axle composition of the first vehicle is changed, the train may be pushed by the pushing system 400, and the remaining vehicles are sequentially sent to the working area for axle composition change, so that the layout length of the axle-dismounting system 300 may be reduced, and the cost may be saved.

The trailer lifting arm 410 of the pushing system 400 of this embodiment may be driven by a driving mechanism such as a hydraulic cylinder installed at the connection junction of the gauge railway, which is not limited in this embodiment.

S2: the railway vehicle is temporarily supported by the vehicle supporting unit.

Specifically, the method comprises the following steps: the vehicle supporting unit 310 of the embodiment is disposed at a junction between railways with different track gauges, when a railway vehicle stops in place, one vehicle supporting unit 310 is disposed under the bottom of each side frame assembly 3 on both sides of the bogie 111 of the railway vehicle, the railway vehicle is temporarily supported by the vehicle supporting unit 310 by operating the vehicle supporting unit 310 to lift synchronously, and the vehicle supporting unit 310 is lifted and supports the entire weight of the vehicle 110 instead of the axle assembly 1.

In this embodiment, the vehicle supporting unit 310 may be a lifting block driven by hydraulic pressure, the fixed end of the vehicle supporting unit 310 is fixedly disposed below the lifting platform 320, the lifting block of the vehicle supporting unit 310 is an output end of the vehicle supporting unit 310, and when a train operates, the output end of the vehicle supporting unit 310 needs to be lowered below the lifting platform 320, so as to avoid affecting train operation.

S3: quickly disassemble the axle assembly on the railway vehicle.

Specifically, the method comprises the following steps: when the railway vehicle stops at a junction between railways with different track gauges, axle supports 331 are arranged below the bottoms of two ends of each axle assembly 1 of a bogie 111 of the railway vehicle, the axle supports 331 are arranged on a lifting platform 320, the lifting platform 320 is operated to lift, the axle supports 331 are driven to lift, and the axle supports 331 are butted and support the axle assemblies 1; the lifting platform 320 is operated to descend, the wheel shaft support 331 is driven to descend, and the wheel shaft support 331 drives the butt-supported wheel shaft assembly 1 to descend, so that the wheel shaft assembly 1 is separated from the bogie 111.

After the wheel axle support 331 descends to the wheel axle conveying unit 330, the wheel axle support 331 and the wheel axle assembly 1 are conveyed to the wheel axle library system 200 under the action of the wheel axle conveying unit 330, and the wheel axle library system 200 stores wheel axle assemblies 1 with different track gauges;

after the wheel axle support 331 and the wheel axle assembly 1 are conveyed to the wheel axle library system 200, the specifications and the sizes of the wheel axle assembly 1 which is disassembled are classified and stored, and the method specifically comprises the following steps:

after the axle support 331 and the axle assembly 1 are transferred to the axle library system 200, the axle detecting unit 230 detects the size and specification of the axle assembly 1 to determine the size and specification information of the disassembled axle assembly 1, the axle detecting unit 230 transmits the determined information to the axle control unit 240, the axle control unit 240 classifies according to the size and specification of the axle assembly 1, and controls the axle transmitting unit 230 to classify and store the axle assembly 1 in the corresponding axle storing unit 210 of the axle library system 200.

In this embodiment, the axle transmission unit 220 may be a transmission belt or a transmission roller, and the axle detection unit 230 may be a visual recognition system, and the classification status of the axle component 1 can be quickly obtained by recognizing the size and specification of the axle component 1 and comparing the size and specification with a pre-stored sample.

In addition, the track on the lifting platform 320 of the present embodiment is required to be compatible and adaptive to two types of axle components of railways with different gauges.

S4: and (3) transferring the wheel axle assembly 1 of the gauge railway corresponding to the adaptive destination, and quickly installing the wheel axle assembly 1 of the gauge railway corresponding to the adaptive destination on the railway vehicle.

Specifically, the method comprises the following steps: the axle control unit 240 controls the axle transmission unit 220 to extract the axle component 1 of the corresponding specification from the axle storage unit 210 according to the requirement information, and detects the specification of the selected axle component 1 through the axle detection unit 230;

if the condition exceeding the specification is found, the axle detecting unit 230 transmits the unqualified information to the information center of the hub, and transmits the unqualified axle composition 1 to the to-be-processed area of the axle storing unit 210;

if the extracted wheel axle assembly 1 meets the specification required by the demand information, the extracted wheel axle assembly 1 with the wheel axle bracket 331 is conveyed to the corresponding position of the wheel axle assembly 1 arranged on the lifting platform 320 through the wheel axle conveying unit 330;

after the extracted wheel axle assembly 1 with the wheel axle support 331 is conveyed to the corresponding position of the mounting wheel axle assembly on the lifting platform 320, the lifting platform 320 is operated to synchronously lift the lifting platform 320 and the wheel axle support 331, and the wheel axle assembly 1 is mounted on the bogie 111 of the railway vehicle.

S5: and (4) converting the railway vehicle to an axle of the railway with the corresponding track gauge of the adaptive destination to form a support.

Specifically, the method comprises the following steps: the vehicle supporting unit 310 is operated to descend and the weight of the railway vehicle is supported by the wheel axle assembly 1 adapted to the gauge railway corresponding to the destination.

In addition, the axle bracket 331 of the embodiment also has a lifting function, when the weight of the railway vehicle is supported by the axle assembly 1 corresponding to the gauge railway of the destination, the axle bracket 331 is operated to separate the output end of the axle bracket 331 from the axle positioning device 2, and the output end of the axle bracket 331 is lowered below the lifting platform 320 to avoid affecting the train operation.

The above-mentioned embodiments are only for convenience of description of the invention, and are not intended to limit the invention in any way, and those skilled in the art will recognize that the invention can be practiced without departing from the spirit and scope of the invention.

Claims

1. A method of changing gauge of a railway vehicle, the method comprising:

temporarily supporting a railway vehicle by a vehicle supporting unit;

quick wheel axle of dismantling on the rail vehicle constitutes, specifically includes:

the lifting platform is operated to descend to drive the wheel shaft support to descend, and the wheel shaft support drives the wheel shaft assembly supported in a butt joint mode to descend, so that the wheel shaft assembly is separated from the bogie;

2. The method for changing the gauge of a railway vehicle according to claim 1, wherein temporarily supporting the railway vehicle by a vehicle support unit comprises:

3. The method of claim 1, wherein after said quickly removing axle makeup from the railway vehicle, further comprising:

4. The method of claim 3, wherein the axle support and the axle assembly are transported to an axle magazine system for storage of the axle assembly in a sorted format of size and gauge.

5. The method according to claim 4, wherein the axle support and the axle assembly are transported to an axle magazine system, and the specifications and dimensions of the disassembled axle assembly are sorted for storage, and the method comprises:

6. The method for changing the track gauge of the railway vehicle according to claim 1, wherein the step of calling the wheel axle composition of the track gauge railway corresponding to the adaptive destination specifically comprises the following steps:

and if the extracted wheel axle assembly meets the specification required by the demand information, the extracted wheel axle assembly with the wheel axle bracket is conveyed to the corresponding position of the mounting wheel axle assembly on the lifting platform through the wheel axle conveying unit.

7. The method for changing the gauge of a railway vehicle as claimed in claim 6, wherein the step of rapidly installing the wheel axle assembly adapted to the target gauge railway on the railway vehicle comprises:

8. The method of claim 1, wherein the step of transferring the rail vehicle to the axle composition support of the rail-bound railway corresponding to the destination comprises:

9. The method of any one of claims 1 to 8, wherein the axle assembly comprises an axle, wherein axle locating means are provided at each axial end of the axle, each axle locating means comprising: