CN111945498A - Intelligent subway rail welding vehicle and rail welding method - Google Patents
Intelligent subway rail welding vehicle and rail welding method Download PDFInfo
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- CN111945498A CN111945498A CN201910398312.5A CN201910398312A CN111945498A CN 111945498 A CN111945498 A CN 111945498A CN 201910398312 A CN201910398312 A CN 201910398312A CN 111945498 A CN111945498 A CN 111945498A
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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
- 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
- E01B31/18—Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/01—Devices for working the railway-superstructure with track
- E01B2203/012—Devices for working the railway-superstructure with track present, i.e. in its normal position
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/14—Way of locomotion or support
- E01B2203/141—Way of locomotion or support on the track to be treated
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Abstract
An intelligent subway rail welding vehicle comprises a vehicle frame (1), wherein a driver cab (4), a function room (2), an operation room (5) and a welding machine room (21) are arranged above the vehicle frame (1), a power transmission system (6) and a hydraulic oil tank (14) are arranged in the function room (2), an office area and an operation area are arranged in the operation room (5), and a welding machine (19) and a welding machine retracting device (20) are arranged in the welding machine room (21); a front driving bogie (9), a diesel tank (7) and a rear driving bogie (10) are arranged below the frame 1; the two sides of the front driving bogie (9) are provided with escalators (13); the end part of the welding machine room (21) is provided with a turnover door (17), the intelligent subway rail welding vehicle can automatically run to a rail welding site to perform online and offline welding and base welding, and if extreme derailment occurs, the vehicle can be quickly lifted; all operations in the operation process are designed mechanically and automatically.
Description
Technical Field
The invention relates to a subway rail welding vehicle, and belongs to the technical field of mechanical design and manufacturing of urban rail transit.
Background
Urban rail transit in China develops rapidly. At present, the number of cities approved by national institute for building urban rails reaches 39, more than 50 cities are reached in 2020, and the total length of lines reaches 6000 kilometers. The demand of urban rails for maintenance equipment is increasingly emerging. At present, the domestic subway steel rail welding mainly adopts thermite welding, small-sized gas pressure welding, container type flash welding rail cars and subway flash welding rail cars. Because thermite welding, small-size gas pressure welding quality are difficult to guarantee, container formula flash welding railcar can the proof quality, but need be equipped with special flatcar and tractor, and the operating efficiency is low, and current subway welds the railcar intellectuality, degree of mechanization is not high.
The application number is 201410454312. X's chinese invention patent application discloses a self-propelled rail welding car for subway, and it includes frame and hydraulic leg, the frame right side is equipped with cab and electric appliance cabinet, the frame below is equipped with the bogie, be equipped with main diesel generating set on the frame, be equipped with reserve diesel generating set on the frame, be equipped with the welding machine pump station on the frame, reserve diesel generating set left side is equipped with the cold water machine, the cold water machine left side is equipped with the automatically controlled cabinet of welding machine system, the automatically controlled cabinet left side of welding machine system is connected the weldment work platform, the weldment work platform left side is connected the weldment head, the weldment head is installed on the double-arm crane, the frame left side is equipped with the removal housing. The self-propelled rail welding vehicle for the subway has strong universality, can break the current situation that the rail welding vehicle is imported all the time in the subway field, and still needs to improve the intelligent and mechanical degrees.
Disclosure of Invention
The invention provides a whole set of equipment for repairing a seamless steel rail by adopting a flash welding method, which greatly improves the mechanization and intelligentization degrees, can reduce the field labor intensity and the auxiliary time, and can efficiently and qualitatively finish the connection of the field steel rail.
The invention provides an intelligent subway rail welding vehicle which can be operated to a construction site by self, and can realize on-line and off-line welding and station-in base welding of a subway line on site through a welding machine and a welding machine retracting device carried by the vehicle according to an intelligent control mode.
The invention is realized by the following technical scheme: an intelligent subway rail welding vehicle comprises a vehicle frame, wherein the vehicle frame is provided with a driver cab, a function room, an operation room, a power transmission system, a diesel oil tank, a hydraulic system, a front driving bogie, a rear driving bogie, a foundation brake, a hydraulic oil tank, an electrical control system, an electrical box body and accessories thereof, hydraulic support legs, a welding machine retracting device and a welding machine room.
Preferably, an air braking system and a pneumatic system are further arranged below the frame.
Preferably, the frame is provided with an escalator.
Car couplers are arranged at the front and the rear of the car frame.
The welding machine room is arranged at one end, far away from the cab, of the frame, the welding machine room is connected with the frame through a guide rail arranged on the frame and a roller arranged at the bottom of the welding machine room, and automatic telescopic movement can be achieved through transmission of one set of sliding transmission mechanism between the welding machine rooms.
The tail part of the welding room comprises a turnover door, the turnover door is connected with the welding room main body through a set of driving device, and the turnover door is automatically turned over through operating a response control switch.
The hydraulic support legs are symmetrically arranged at the front and rear four corners of the frame and have lifting and transverse moving functions, and after the support legs are completely extended out, the tread of the wheel can be separated from the rail surface, and if extreme derailment occurs, the rapid lifting of the vehicle can be realized.
The bottom of the welding machine retracting device is provided with a leveling device, so that the welding machine retracting device is suitable for curve welding rail operation.
The coupler adopts different types of couplers at a cab end and a welding machine end according to the structural and functional requirements.
The hydraulic system comprises three traveling modes and multiple emergency settings. The three running modes are high-speed running, operation running and emergency running, and the emergency running is started when a network system fails, so that the vehicle is ensured to leave the site quickly. The emergency power source comprises an emergency pump station, a manual pump and an external oil source.
The hydraulic system has a function of cutting off the running of the fault shaft, when a certain driving shaft is in fault and needs to run, the fault shaft can be cut off under the condition that a mechanical structure is not required to be detached, namely, a running motor on the fault shaft is separated from the running system by switching a corresponding stop valve, and then the fault shaft is connected with other driving shafts according to normal running operation, so that the running of the whole vehicle is controlled.
The electric system comprises a power supply subsystem, an engine control subsystem, an alternating current power generation subsystem, a power distribution subsystem, an illumination subsystem, a signal subsystem, a communication subsystem, a display and alarm subsystem, a gear engaging and walking control subsystem, an operation and oil cylinder control subsystem, a network subsystem, a video subsystem, an auxiliary fire alarm subsystem and a remote diagnosis and data transmission subsystem, so that the electric system has the characteristics of wide temperature performance, shock impact resistance, high data transmission speed, easiness in fault analysis and maintenance, customization of a human-computer interface and the like, and can realize remote monitoring, maintenance, diagnosis and debugging.
The electric system comprises an external power supply or a self-generating mode, bidirectional selection can be achieved, the external power supply and the self-generating mode have a mechanical interlocking function, the self-generating equipment comprises an auxiliary loop and a main loop, and automatic control or manual control is switched among the external power supply, the auxiliary loop and the main loop.
The pneumatic system comprises an air source system, a gear engaging system and an alarm system, wherein the alarm system comprises a loudspeaker.
The air brake system comprises a brake, an air compressor, a main air cylinder, a dryer, a one-way valve, a safety valve, a filter and an air pipeline, and the components are assembled in sequence according to the required functions of the intelligent subway rail welding vehicle and the allowed spatial positions of the actual subway rail welding vehicle to realize braking.
The power transmission system comprises an engine, a transfer gear box, a hydraulic motor, a hydraulic pump, an axle gear box and a generator. The engine is additionally provided with tail gas after-treatment equipment, meets the requirement of engine exhaust back pressure, and meets the national four-stage emission standard.
And the front driving bogie and the rear driving bogie are provided with braking anti-skidding systems, so that the wheels of the vehicle are prevented from being locked and the wheels are prevented from being scratched.
The welding machine comprises a welding system, the welding system and a walking system are designed in a highly integrated mode, and share one set of hydraulic and electric control system.
The welding machine retracting device can sense the position of the turnover door and surrounding obstacles through the sensor arranged on the cantilever of the welding machine retracting device and electric program control in the process of retracting the welding machine, automatically controls the retracting action of the cantilever and realizes one-key retracting.
The overall mass of the intelligent subway rail welding vehicle is effectively reduced, the overall dimension is reduced, the weight distribution is reasonable, the running process is stable and reliable, and the requirements of the axle weight and the clearance of the subway are met.
Compared with the prior art, the invention has the following positive effects: the device can be operated to a rail welding site by self to perform on-line welding, off-line welding and base welding, and if extreme derailment occurs, the device can realize quick lifting of the vehicle; multiple safety emergency measures are set to ensure that vehicles can safely and quickly leave the scene; all operations in the operation process are designed mechanically and automatically, so that the field labor intensity is reduced; the intelligent design can realize remote monitoring, maintenance, diagnosis and debugging, enhance user experience, track an operation field in real time and facilitate maintenance and diagnosis.
The second aspect of the invention provides an intelligent subway rail welding method, which comprises the following steps:
step A: the subway welding rail vehicle runs at a high speed to a position to be welded and stops;
and B: operating the control switch of the turnover door, automatically opening the turnover door to a position forming an included angle of 80-90 degrees with the original state, and self-locking;
and C: operating a control switch of a sliding mechanism of the welding chamber, and sliding the welding chamber to a working state to completely expose a welding machine system;
step D: operating a support leg control switch of the subway rail welding vehicle to extend the support leg and jack the whole vehicle until the wheels leave the steel rail;
step E: the welding machine is put to the track center through the expansion and contraction of the welding machine retracting device and the left-right rotation, then the steel rail to be welded is aligned, the welding machine is started, the welding operation is started at the position to be welded of the steel rail, and the off-line welding is realized;
step F: the welding machine is lowered to the position of the steel rail to be welded on the walking line through the expansion and contraction of the welding machine retracting device and the left-right rotation, the alignment is carried out, the welding machine is started, the welding operation is started at the position of the steel rail to be welded, and the on-line welding is realized;
step G: the welding machine is lowered to a corresponding welding platform of a base through the expansion and contraction of a welding machine retracting device and the left-right rotation, a steel rail to be welded is aligned, the welding machine is started, and the welding operation is started at the position to be welded of the steel rail, so that the base welding is realized;
step H: operating a support leg control switch of the subway rail welding vehicle, enabling the support leg to contract or transversely move, and putting down the whole subway rail welding vehicle to a normal running state;
step I: the welding machine is retracted into the limit through the expansion and contraction of the welding machine retracting device and the left-right rotation, and is operated to the next welding working position at a lower speed;
step J: the welding machine is retracted onto the subway rail welding vehicle through the telescoping and left-right rotation of the welding machine retracting and releasing device;
step K: operating a control switch of a sliding mechanism between the welding chambers, and sliding the welding chambers to a walking state;
step L: operating the turnover door control switch to automatically close and lock the turnover door;
step M: after the whole rail welding operation is finished, the whole vehicle runs at a high speed and leaves a working place;
sequentially executing the step ABCEJKLM, or sequentially executing the step ABCDEFIJKLM, or sequentially executing the step ABCGJKLM.
Drawings
FIG. 1 is a schematic diagram of a whole vehicle structure of a preferred embodiment of the intelligent subway rail welding vehicle;
FIG. 2 is a schematic view of the internal structure of the entire vehicle in the embodiment shown in FIG. 1;
fig. 3 is a side view of the cab of the embodiment shown in fig. 1 and 2;
FIG. 4 is a schematic structural view of a welding chamber and a turnover door in the embodiment shown in FIGS. 1 and 2;
FIG. 5 is a schematic structural diagram of a welder and a welder retraction device in the embodiment shown in FIGS. 1 and 2;
the numerical designations in fig. 1-5 mean:
1 frame 2 function room 3 coupler 4 cab 5 operation room
6 power transmission system 7 diesel tank 8 hydraulic system 9 front driving bogie
10 rear drive bogie 11 air brake and pneumatic system 12 foundation brake 13 staircase
14 hydraulic oil tank 15 electric control system 16 electric box body and accessories thereof
17 turnover door 18 hydraulic leg 19 welding machine 20 welding machine receiving and releasing device 21 welding machine room.
Detailed Description
Embodiment 1.1 an intelligent subway rail welding vehicle, as shown in fig. 1-3, comprises a vehicle frame 1, a cab 4, a function room 2, an operation room 5 and a welding machine room 21 are sequentially arranged above the vehicle frame 1 from front to back, a power transmission system 6 and a hydraulic oil tank 14 are arranged inside the function room 2, an office area and an operation area are arranged inside the operation room 5, a welding machine 19 and a welding machine retracting device 20 are arranged inside the welding machine room 21, and a turnover door 17 is arranged at the end of the welding machine room 21. A front driving bogie 9, a diesel tank 7 and a rear driving bogie 10 are sequentially arranged below the frame 1 from front to back. Escalators 13 are arranged on both sides of the front drive bogie 9. The front and rear drive trucks 9, 10 are each provided with a foundation brake 12. The front and the rear of the frame 1 are respectively provided with a coupler 3. The hydraulic support legs 18 are arranged at the front and rear four corners of the frame in a bilateral symmetry manner. The hydraulic system 8, the air brake and pneumatic system 11, the electrical control system 15, the electrical box and its accessories 16 are arranged above, below and around the frame 1.
As shown in fig. 4, the turnover door 17 is driven by an oil cylinder to realize vertical turnover, the turnover door 17 can be turned over upwards by 90 degrees through the maximum stroke of the oil cylinder, the turnover door 17 can be in a closed state through the minimum stroke of the oil cylinder, and the turnover door 17 can be effectively prevented from being turned over excessively due to misoperation. The welding machine room 21 is connected with the frame 1 through a guide rail and a roller, and the automatic telescopic movement of the welding machine room 21 in the direction of the guide rail can be realized through the transmission of a set of sliding transmission mechanism.
As shown in fig. 5, due to the limitation of subway limits, the turnover door 17 adopts a bending design to enlarge the upper space of the welding machine 19 and the welding machine retracting device 20 under the operation working condition, and the welding machine retracting device 20 is also connected with a sensor, so that the welding machine retracting device 20 can automatically sense the position of the turnover door 17 and surrounding obstacles in the process of retracting the welding machine 19, thereby realizing intelligent control and one-key retraction.
The welding machine room 21 can realize front and back sliding through chain wheel and chain transmission and automatic control under the operation working condition.
The turnover door 17 can be automatically controlled to realize the up-and-down turnover.
The hydraulic support legs 18 are symmetrically arranged at the front and rear four corners of the frame 1 and have lifting and transverse moving functions, and after the support legs are completely extended out, the wheel tread can be separated from the rail surface, and if extreme derailment occurs, the vehicle can be quickly lifted and recovered.
A leveling device is arranged below the welding machine retracting device 20 and is suitable for curve welding rail operation.
The coupler 3 adopts different types of couplers at a cab end and a welding machine end according to the structural and functional requirements.
The hydraulic system 8 has three travel modes, multiple emergency settings. The running mode comprises high-speed running, operation running and emergency running, and the emergency running is started when a network system fails to work, so that the vehicle is ensured to leave the site quickly. The emergency system comprises an emergency pump station, a manual pump and an external oil source.
The invention is also characterized in that the hydraulic system has a function of cutting off the fault shaft, when a certain driving shaft is in fault and needs to run, the fault shaft can be cut off under the condition of not dismantling a mechanical structure, namely, a running motor on the shaft is separated from a running system by switching a corresponding stop valve, and then the running of the whole vehicle is controlled according to the normal running operation.
The invention is also characterized in that the electric system of the vehicle adopts an industrial PC (touch screen), an Ethernet switch, a PLC (logic controller), a Profinet and a field bus network control system of remote I/O (input/output), and consists of a power supply system, an engine control system, an alternating current power generation system, a power distribution system, a lighting system, a signal system, a call system, a display and alarm system, a gear-engaging and walking control system, an operation and oil cylinder control system, a network system, a video system, an auxiliary fire alarm system, a remote diagnosis and data transmission system and other subsystems, has the characteristics of wide temperature performance, shock impact resistance, high data transmission speed, easy fault analysis and maintenance, customized human-computer interface and the like, and can realize remote monitoring, video multi-point call, maintenance, diagnosis and debugging.
The electric system can realize external power connection and self-generating bidirectional selection, the two have a mechanical interlocking function, namely only one mode can be selected, the self-generating mode is provided with an auxiliary loop and a main loop, and the external power connection, the auxiliary loop and the main loop can be switched through programming to realize automatic control and can also be manually switched.
The electrical control system reserves an interface intelligently shared with other platforms.
The pneumatic system comprises an air source system, a gear engaging system and an alarm system (comprising a horn), wherein the air brake system comprises a brake, an air compressor, a main air cylinder, a dryer, a one-way valve, a safety valve, a filter and an air pipeline.
The power transmission system consists of an engine, a transfer gear box, a hydraulic motor, a hydraulic pump, an axle gear box, a generator and the like. The exhaust gas post-treatment device is additionally arranged and integrated with an exhaust system, the performance requirement of the engine is fully considered, the exhaust backpressure requirement of the engine is met, and the exhaust meets the domestic four-stage emission standard.
The front drive bogie 9 and the rear drive bogie 10 are provided with brake anti-skid systems to avoid locking of the wheels of the vehicle and to prevent the wheels from being scratched.
The welding system and the walking system are designed in a highly integrated mode and share a set of hydraulic and electric control system.
The welding machine retracting device can automatically sense the position of the turnover door and surrounding obstacles in the process of retracting the welding machine, is intelligently controlled, and can realize one-key retracting.
The total mass of the whole vehicle is effectively reduced, the overall dimension is reduced, the weight distribution is reasonable, the running process is stable and reliable, and the requirements of the axle weight and the clearance of the subway are met.
In the above embodiments, the transmission mode is electric transmission or hydraulic transmission.
In the above embodiment, the power taking mode may be a contact network power taking mode, a city network power taking mode or a self-power generation mode.
In the above embodiments, the powertrain exhaust system may select different treatment options, such as DPF and DOC mode or full burn + SCR mode.
In the above embodiment, the welding machine may be a flash welding machine or a gas pressure welding machine.
In the above embodiment, the welding machine retracting device may be a double cantilever or a single cantilever or a manipulator.
In the above embodiment, the welding machine retraction device can be fixed or movable.
In the above embodiment, the emergency pump may be a hydraulic emergency pump or an electric emergency pump.
In the above embodiment, the brake system brake can be of any type currently available, such as JZ-7, YZ-1.
In the above embodiment, the welding machine-to-machine slip power can be hydraulic drive, electric drive or air drive.
In the above embodiments, the turnover driving force of the turnover door may be hydraulically driven or electrically driven or air driven.
The intelligent subway rail welding vehicle can automatically run to a rail welding site to perform online and offline welding and base welding, and can realize quick lifting of the vehicle if extreme derailment occurs; multiple safety emergency measures are set to ensure that vehicles can safely and quickly leave the scene; all operations in the operation process are designed mechanically and automatically, so that the field labor intensity is reduced; the intelligent design realizes remote monitoring, maintenance, diagnosis and debugging through the 4G and remote control module, enhances user experience, tracks the operation field in real time, and is convenient for maintenance and diagnosis.
Embodiment 2.1 an intelligent subway rail welding method, comprising:
step A: the subway welding rail vehicle runs at a high speed to a position to be welded and stops;
and B: operating the control switch of the turnover door, automatically opening the turnover door to a position forming an included angle of 80-90 degrees with the original state, and self-locking;
and C: operating a control switch of a sliding mechanism of the welding chamber, and sliding the welding chamber to a working state to completely expose a welding machine system;
step E: the welding machine is put to the center of the track through the expansion and contraction of the welding machine retracting device and the left-right rotation, the steel rail to be welded at the center of the track is aligned, the welding machine is started, the welding operation is started at the position to be welded of the steel rail, and the off-line welding is realized;
step I: the welding machine is retracted into the limit through the expansion and contraction of the welding machine retracting device and the left-right rotation, and is operated to the next welding working position at a lower speed;
step J: the welding machine is retracted onto the subway rail welding vehicle through the telescoping and left-right rotation of the welding machine retracting and releasing device;
step K: operating a control switch of a sliding mechanism between the welding chambers, and sliding the welding chambers to a walking state;
step L: operating the turnover door control switch to automatically close and lock the turnover door;
step M: after the whole rail welding operation is finished, the whole vehicle runs at a high speed and leaves a working place;
and sequentially executing the step A, the step B, the step C, the step E, the step I, the step J, the step K, the step L and the step M.
Embodiment 2.2 an intelligent subway rail welding method, comprising:
step A: the subway welding rail vehicle runs at a high speed to a position to be welded and stops;
and B: operating the control switch of the turnover door, automatically opening the turnover door to a position forming an included angle of 80-90 degrees with the original state, and self-locking;
and C: operating a control switch of a sliding mechanism of the welding chamber, and sliding the welding chamber to a working state to completely expose a welding machine system;
step E: the welding machine is put to the center of the track through the expansion and contraction of the welding machine retracting device and the left-right rotation, the steel rail to be welded at the center of the track is aligned, the welding machine is started, the welding operation is started at the position to be welded of the steel rail, and the off-line welding is realized;
step J: the welding machine is retracted onto the subway rail welding vehicle through the telescoping and left-right rotation of the welding machine retracting and releasing device;
step K: operating a control switch of a sliding mechanism between the welding chambers, and sliding the welding chambers to a walking state;
step L: operating the turnover door control switch to automatically close and lock the turnover door;
step M: after the whole rail welding operation is finished, the whole vehicle runs at a high speed and leaves a working place;
and sequentially executing the step A, the step B, the step C, the step E, the step J, the step K, the step L and the step M.
Embodiment 2.3 an intelligent subway rail welding method, including:
step A: the subway welding rail vehicle runs at a high speed to a position to be welded and stops;
and B: operating the control switch of the turnover door, automatically opening the turnover door to a position forming an included angle of 80-90 degrees with the original state, and self-locking;
and C: operating a control switch of a sliding mechanism of the welding chamber, and sliding the welding chamber to a working state to completely expose a welding machine system;
step D: operating a support leg control switch of the subway rail welding vehicle to extend the support leg and jack the whole vehicle until the wheels leave the steel rail;
step F: the welding machine is lowered to the position of the steel rail to be welded on the walking line through the expansion and contraction of the welding machine retracting device and the left-right rotation, the alignment is carried out, the welding machine is started, the welding operation is started at the position of the steel rail to be welded, and the on-line welding is realized;
step H: operating a support leg control switch of the subway rail welding vehicle, enabling the support leg to contract or transversely move, and putting down the whole subway rail welding vehicle to a normal running state;
step I: the welding machine is retracted into the limit through the expansion and contraction of the welding machine retracting device and the left-right rotation, and is operated to the next welding working position at a lower speed;
step J: the welding machine is retracted onto the subway rail welding vehicle through the telescoping and left-right rotation of the welding machine retracting and releasing device;
step K: operating a control switch of a sliding mechanism between the welding chambers, and sliding the welding chambers to a walking state;
step L: operating the turnover door control switch to automatically close and lock the turnover door;
step M: after the whole rail welding operation is finished, the whole vehicle runs at a high speed and leaves a working place;
sequentially executing the steps A, B, C, D, F, H, I, J, K, L and M.
Embodiment 2.4 an intelligent subway rail welding method, comprising:
step A: the subway welding rail vehicle runs at a high speed to a position to be welded and stops;
and B: operating the control switch of the turnover door, automatically opening the turnover door to a position forming an included angle of 80-90 degrees with the original state, and self-locking;
and C: operating a control switch of a sliding mechanism of the welding chamber, and sliding the welding chamber to a working state to completely expose a welding machine system;
step D: operating a support leg control switch of the subway rail welding vehicle to extend the support leg and jack the whole vehicle until the wheels leave the steel rail;
step F: the welding machine is lowered to the position of the steel rail to be welded on the walking line through the expansion and contraction of the welding machine retracting device and the left-right rotation, the alignment is carried out, the welding machine is started, the welding operation is started at the position of the steel rail to be welded, and the on-line welding is realized;
step H: operating a support leg control switch of the subway rail welding vehicle, enabling the support leg to contract or transversely move, and putting down the whole subway rail welding vehicle to a normal running state;
step J: the welding machine is retracted onto the subway rail welding vehicle through the telescoping and left-right rotation of the welding machine retracting and releasing device;
step K: operating a control switch of a sliding mechanism between the welding chambers, and sliding the welding chambers to a walking state;
step L: operating the turnover door control switch to automatically close and lock the turnover door;
step M: after the whole rail welding operation is finished, the whole vehicle runs at a high speed and leaves a working place;
sequentially executing the steps A, B, C, D, F, H, J, K, L and M.
Embodiment 2.5 an intelligent subway rail welding method, comprising:
step A: the subway welding rail vehicle runs at a high speed to a position to be welded and stops;
and B: operating the control switch of the turnover door, automatically opening the turnover door to a position forming an included angle of 80-90 degrees with the original state, and self-locking;
and C: operating a control switch of a sliding mechanism of the welding chamber, and sliding the welding chamber to a working state to completely expose a welding machine system;
step G: the welding machine is lowered to a corresponding welding platform of a base through the expansion and contraction of a welding machine retracting device and the left-right rotation, a steel rail to be welded is aligned, the welding machine is started, and the welding operation is started at the position to be welded of the steel rail, so that the base welding is realized;
step J: the welding machine is retracted onto the subway rail welding vehicle through the telescoping and left-right rotation of the welding machine retracting and releasing device;
step K: operating a control switch of a sliding mechanism between the welding chambers, and sliding the welding chambers to a walking state;
step L: operating the turnover door control switch to automatically close and lock the turnover door;
step M: after the whole rail welding operation is finished, the whole vehicle runs at a high speed and leaves a working place;
and sequentially executing the step A, the step B, the step C, the step G, the step J, the step K, the step L and the step M.
Embodiment 2.6 an intelligent subway rail welding method, comprising:
step A: the subway welding rail vehicle runs at a high speed to a position to be welded and stops;
and B: operating the control switch of the turnover door, automatically opening the turnover door to a position forming an included angle of 80-90 degrees with the original state, and self-locking;
and C: operating a control switch of a sliding mechanism of the welding chamber, and sliding the welding chamber to a working state to completely expose a welding machine system;
step G: the welding machine is lowered to a corresponding welding platform of a base through the expansion and contraction of a welding machine retracting device and the left-right rotation, a steel rail to be welded is aligned, the welding machine is started, and the welding operation is started at the position to be welded of the steel rail, so that the base welding is realized;
step I: the welding machine is retracted into the limit through the expansion and contraction of the welding machine retracting device and the left-right rotation, and is operated to the next welding working position at a lower speed;
step J: the welding machine is retracted onto the subway rail welding vehicle through the telescoping and left-right rotation of the welding machine retracting and releasing device;
step K: operating a control switch of a sliding mechanism between the welding chambers, and sliding the welding chambers to a walking state;
step L: operating the turnover door control switch to automatically close and lock the turnover door;
step M: and (5) finishing the whole rail welding operation, and enabling the whole vehicle to walk away from a working place at a high speed.
Sequentially executing the step A, the step B, the step C, the step G, the step I, the step J, the step K, the step L and the step M.
Claims (10)
1. An intelligent subway rail welding vehicle comprises a vehicle frame (1), wherein a driver cab (4), a function room (2), an operation room (5) and a welding machine room (21) are arranged above the vehicle frame (1), a power transmission system (6) and a hydraulic oil tank (14) are arranged in the function room (2), an office area and an operation area are arranged in the operation room (5), and a welding machine (19) and a welding machine retracting device (20) are arranged in the welding machine room (21); a front driving bogie (9), a diesel tank (7) and a rear driving bogie (10) are arranged below the frame 1; the two sides of the front driving bogie (9) are provided with escalators (13); hydraulic system (8), air brake and pneumatic system (11), electric control system (15), arrange in frame (1) top, below, its characterized in that: the end part of the welding machine room (21) is provided with a turnover door (17), the hydraulic system (8) has the function of cutting off the fault shaft to run, when a certain driving shaft has a fault and needs to run, under the condition that a mechanical structure is not required to be dismantled, a running motor on the fault shaft is separated from the running system by switching a corresponding stop valve, and then other driving shafts are connected according to normal running operation, so that the running of the whole vehicle is controlled.
2. The intelligent subway rail welding vehicle as claimed in claim 1, wherein: the welding machine room (21) is arranged at one end, far away from the cab, of the frame, the welding machine room (21) is connected with the frame through a guide rail arranged on the frame and a roller arranged at the bottom of the welding machine room, and the welding machine room (21) is automatically controlled in the direction of the guide rail through a driving mechanism.
3. The intelligent subway rail welding vehicle as claimed in claim 1 or 2, wherein: the turnover door (17) is connected with the main body of the welding machine room (21) through a driving device, and the driving device is also connected with an automatic control system.
4. The intelligent subway rail welding vehicle as claimed in claim 3, wherein: the hydraulic support legs (18) are symmetrically arranged at the front and rear four corners of the frame (1) and have lifting and transverse moving functions, and after the hydraulic support legs (18) are completely extended out, the wheel tread can be separated from the rail surface, and if extreme derailment occurs, the vehicle can be quickly recovered under the supporting action of the four hydraulic support legs (18).
5. The intelligent subway rail welding vehicle as claimed in claim 4, wherein: the bottom of the welding machine retracting device (20) is provided with a leveling device which is suitable for the operation of curve welding rails.
6. The intelligent subway rail welding vehicle as claimed in claim 1, 2, 4 or 5, wherein: the hydraulic system (8) comprises three traveling modes and a plurality of emergency settings; the three running modes are high-speed running, operation running and emergency running, and the emergency running is started when a network system fails to work, so that the vehicle is ensured to leave the site quickly; the emergency system comprises an emergency pump station, a manual pump and an external oil source.
7. The intelligent subway rail welding vehicle as claimed in claim 6, wherein: the electric control system (15) comprises a power supply subsystem, an engine control subsystem, an alternating current power generation subsystem and a power distribution subsystem, an illumination subsystem, a signal subsystem, a communication subsystem, a display and alarm subsystem, a gear engaging and walking control subsystem, an operation and oil cylinder control subsystem, a network subsystem, a video subsystem, an auxiliary fire alarm subsystem and a remote diagnosis and data transmission subsystem, so that the electric system has the characteristics of wide temperature performance, vibration and impact resistance, high data transmission speed, easiness in fault analysis and maintenance, customized human-computer interface and the like, and can realize remote monitoring, maintenance, diagnosis and debugging.
8. The intelligent subway rail welding vehicle as claimed in claim 1, 2, 4, 5 or 7, wherein: the electric control system comprises an external power supply or a self-generating mode, bidirectional selection can be achieved, the external power supply and the self-generating mode have a mechanical interlocking function, the self-generating equipment comprises an auxiliary loop and a main loop, and automatic control or manual control is switched among the external power supply, the auxiliary loop and the main loop.
9. The intelligent subway rail welding vehicle as claimed in claim 8, wherein: the turnover door (17) is driven by an oil cylinder to realize vertical turnover, the turnover door (17) can be turned over by 90 degrees upwards by the maximum stroke of the oil cylinder, the turnover door (17) can be in a closed state by the minimum stroke of the oil cylinder, and the turnover door (17) can be effectively prevented from being turned over excessively due to misoperation.
10. An intelligent subway rail welding method is characterized in that: comprises that
Step A: the subway welding rail vehicle runs at a high speed to a position to be welded and stops;
and B: operating the control switch of the turnover door, automatically opening the turnover door to a position forming an included angle of 80-90 degrees with the original state, and self-locking;
and C: operating a control switch of a sliding mechanism of the welding chamber, and sliding the welding chamber to a working state to completely expose a welding machine system;
step D: operating a support leg control switch of the subway rail welding vehicle to extend the support leg and jack the whole vehicle until the wheels leave the steel rail;
step E: the welding machine is put to the track center through the expansion and contraction of the welding machine retracting device and the left-right rotation, then the steel rail to be welded is aligned, the welding machine is started, the welding operation is started at the position to be welded of the steel rail, and the off-line welding is realized;
step F: the welding machine is lowered to the position of the steel rail to be welded on the walking line through the expansion and contraction of the welding machine retracting device and the left-right rotation, the alignment is carried out, the welding machine is started, the welding operation is started at the position of the steel rail to be welded, and the on-line welding is realized;
step G: the welding machine is lowered to a corresponding welding platform of a base through the expansion and contraction of a welding machine retracting device and the left-right rotation, a steel rail to be welded is aligned, the welding machine is started, and the welding operation is started at the position to be welded of the steel rail, so that the base welding is realized;
step H: operating a support leg control switch of the subway rail welding vehicle, enabling the support leg to contract or transversely move, and putting down the whole subway rail welding vehicle to a normal running state;
step I: the welding machine is retracted into the limit through the expansion and contraction of the welding machine retracting device and the left-right rotation, and is operated to the next welding working position at a lower speed;
step J: the welding machine is retracted onto the subway rail welding vehicle through the telescoping and left-right rotation of the welding machine retracting and releasing device;
step K: operating a control switch of a sliding mechanism between the welding chambers, and sliding the welding chambers to a walking state;
step L: operating the turnover door control switch to automatically close and lock the turnover door;
step M: after the whole rail welding operation is finished, the whole vehicle runs at a high speed and leaves a working place;
sequentially executing the step ABCEJKLM, or sequentially executing the step ABCDEFIJKLM, or sequentially executing the step ABCGJKLM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398312.5A CN111945498A (en) | 2019-05-14 | 2019-05-14 | Intelligent subway rail welding vehicle and rail welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398312.5A CN111945498A (en) | 2019-05-14 | 2019-05-14 | Intelligent subway rail welding vehicle and rail welding method |
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| Publication Number | Publication Date |
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| CN111945498A true CN111945498A (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910398312.5A Pending CN111945498A (en) | 2019-05-14 | 2019-05-14 | Intelligent subway rail welding vehicle and rail welding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116695499A (en) * | 2023-08-07 | 2023-09-05 | 中国铁建高新装备股份有限公司 | Switch rail welding operation equipment and operation method thereof |
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2019
- 2019-05-14 CN CN201910398312.5A patent/CN111945498A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116695499A (en) * | 2023-08-07 | 2023-09-05 | 中国铁建高新装备股份有限公司 | Switch rail welding operation equipment and operation method thereof |
| CN116695499B (en) * | 2023-08-07 | 2023-11-14 | 中国铁建高新装备股份有限公司 | Switch rail welding operation equipment and operation method thereof |
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