WO2014005478A1 - 一种在线式钢轨激光加工车 - Google Patents
一种在线式钢轨激光加工车 Download PDFInfo
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- WO2014005478A1 WO2014005478A1 PCT/CN2013/077200 CN2013077200W WO2014005478A1 WO 2014005478 A1 WO2014005478 A1 WO 2014005478A1 CN 2013077200 W CN2013077200 W CN 2013077200W WO 2014005478 A1 WO2014005478 A1 WO 2014005478A1
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- WIPO (PCT)
- Prior art keywords
- laser processing
- rail
- vehicle
- laser
- drive system
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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
Definitions
- the invention relates to an on-line rail laser processing vehicle, belonging to the field of steel surface strengthening and toughening treatment and repair technology.
- the conventional method can only be completed in the production workshop, but in addition to the fixed-point machining in the production workshop, the laser surface strengthening method can also develop special mobile equipment to enable the laser processing equipment to laser-process the rails on-line at the railway site.
- the Chinese utility model patent document "a railway track laser repair vehicle” (announcement number is CN2622241Y, public date is June 30, 2004).
- a railway track laser maintenance vehicle is proposed.
- the railway track laser maintenance vehicle includes a traction control vehicle. And two parts of the track work car.
- the traction control vehicle is restructured on the basis of the railway railcar.
- the main difference is that the laser operation master console is installed at the driver's position of the railway railcar.
- the railcar is rebuilt on the basis of the railway passenger car.
- the laser light path and the CNC system are set to accurately transmit the laser beam to the rail processing point.
- the orbital laser repair vehicle in addition to the laser system, laser light path and mobile numerical control system, also has a vehicle damping system, a laser damping system, a rail surface descaling cleaning system, and a rail surface light absorbing material spraying.
- a vehicle damping system a laser damping system
- a rail surface descaling cleaning system a rail surface light absorbing material spraying.
- paint drying systems laser gas supply systems, laser powder supply systems, laser cooling systems, laser air supply systems, laser car bodies, surveillance and lighting systems, cabin seal dedusting systems, etc.
- this laser maintenance vehicle has the following disadvantages:
- the device uses a high-power C0 2 laser as a light source, and its photoelectric conversion efficiency is relatively low, and the energy consumption is large.
- the wavelength of the C0 2 laser is 10.6 ⁇ m, and the absorption rate of the metal substrate is very low. It is necessary to spray the light-absorbing paint and dry it to perform laser processing, and the process is complicated.
- the C0 2 laser light guiding system can only be transmitted by the flying optical path or the hard optical path system. The vibration generated during the operation of the laser maintenance vehicle will inevitably affect the precision of the light guiding system, and it is difficult to ensure the long-term stability of the laser processing process.
- the laser repair vehicle when the laser repair is performed, the laser repair vehicle is stationary, and the maximum distance that the laser processing head moves along the rail is 1000 mm. Due to the static state of the laser repair car, the distance of the laser processing head to process the rail at one time has been The limitation of the length of the laser repair vehicle body is inconvenient for long-distance repair. In addition, when the laser car is to be moved to the position of the next section of the rail to be repaired, since the running distance of the traction control vehicle cannot be accurate to the centimeter level, it is difficult to accurately locate and arrive.
- the track line of the railway site is a curved line with good overall trajectory accuracy, but the actual rails fluctuate irregularly along the overall route.
- the laser processing head cannot adjust the processing position in real time, and the accuracy of the hardening processing trajectory of the laser processing head cannot be ensured.
- the Chinese invention patent disclosed "an on-line laser processing equipment for the surface toughening treatment of rails" (Patent No.: 200810169671.5).
- the online laser processing equipment divides the laser processing system into two parts: a laser processing vehicle and a power engineering vehicle.
- the laser processing vehicle is small in size, light in weight, flexible in maneuverability, convenient in loading and unloading, can effectively avoid trains, and can realize various online strengthening and toughening treatment on the rail surface;
- the power engineering vehicle includes a generator, a refrigerator, and air pressure. Machines, freeze dryers, laser high voltage power supplies and control systems are relatively heavy equipment.
- the invention adopts a solid-state laser capable of transmitting fiber as a light source, thereby eliminating complicated flying optical path and reducing the optical path transmission loss of the laser energy;
- the laser used is a near-infrared laser with a wavelength of 1064 nm, and the rail has high absorption rate, so no need for advance Processes such as spray coating and subsequent cleaning of the coating simplifies the process and reduces the size, weight, energy consumption and cost of the equipment.
- the laser processing trolley and the power engineering vehicle are composed of two separate parts, and the maximum distance between the interconnected optical fibers or cables is 100 meters, which increases the complexity of the online use of the equipment system in the railway field; and the integrated equipment Compared with the system, its reliability is relatively low.
- the laser processing car is small, light and flexible, it still needs to be installed on the track by manpower or a small forklift, and the fiber or cable system connection and equipment debugging are required on the track. Therefore, the effective time and processing efficiency of the laser toughening treatment on the railway track are affected.
- the device should also have the basic features of a laser-processed stand-alone system, which should include lasers, Light guide systems, chillers, air compressors, freeze dryers, powder feeders, motion actuators, laser processing heads and control systems for on-line laser toughening and laser cladding repair for railway rails.
- the object of the present invention is to provide an on-line rail laser processing vehicle which can precisely control the speed, distance and precise processing along the track path when the laser processing vehicle processes the rail online, and completes the track, the curve, the guard wheel at the railway site.
- the laser treatment of rails, ballasts and other rails greatly improves the wear resistance of the processed rails, and meets the wear resistance requirements of railway high-speed and heavy-duty trains.
- the invention provides an online rail laser processing vehicle, comprising a chassis, a vehicle body mounted on the chassis, a driving control room installed at the front of the vehicle body, and a container installed at the rear of the vehicle body; the generator body and the control system are included in the container a motion actuator and a laser processing head, wherein the driving control room comprises a main console, a CCD monitoring system and a drive switching operating system, the container of the laser processing vehicle is equipped with a dual drive system and a switching mechanism; Electrical connection to the generator set and control system for starting and shutting down the generator set and control system; CCD monitoring system for monitoring the alignment of the laser processing head on the rail surface and processing conditions; drive switching operating system for dual drive systems And the switching mechanism operates to realize switching of the driving system;
- the control system controls the motion actuator to move according to the set trajectory;
- the laser processing head moves according to the trajectory set by the control system under the movement of the motion actuator to complete the laser processing on the surface of the rail;
- the dual drive system and the switching mechanism include a process operation drive system, a conventional on-vehicle operation drive system, and a switching mechanism;
- the process running drive system is used to provide power drive for the laser processing vehicle during the laser processing process, so that the laser processing vehicle can accurately control the movement speed and distance of the laser processing vehicle, and meet the needs of various laser processing vehicle movements required for laser processing; Used to implement switching between a conventional railway drive system and a process run drive system.
- the on-line rail laser processing vehicle of the invention comprises a double drive system and a switching mechanism, and the dual drive system is a process operation drive system and a conventional on-vehicle operation drive system, wherein the conventional on-vehicle operation drive system is laser processing in normal operation without laser processing.
- the car provides power, and the process running drive system powers the laser processing car during processing.
- the switching between the process running drive system and the conventional on-board operating drive system is accomplished by a switching mechanism.
- the switching mechanism switches the driving power to the process running driving system, and the operating speed and distance of the laser processing vehicle can be strictly and strictly controlled to meet various laser processing requirements.
- the switching mechanism will switch to the conventional vehicle-mounted driving system, which can quickly drive away, save time and avoid occupying the track for a long time.
- the chassis of the online rail laser processing vehicle of the present invention may be a railway flatbed or a railway passenger car chassis, or may be a split type utility vehicle chassis.
- the upper rail system can be added to the vehicle body. Through the upper rail system, the laser processing car can be placed on any rail section, which improves the flexibility of the upper rail of the laser processing vehicle.
- the motion actuator of the on-line rail laser processing vehicle of the present invention can be a conventional numerically controlled machine tool or/and a multi-axis industrial robot, etc., on which an optical displacement sensor can be mounted.
- the laser processing head can be precisely adjusted in real time to the position to be processed on the rail to ensure the accuracy of the processing trajectory of the laser processing vehicle.
- the invention provides three specific modes of the laser processing head of the on-line rail laser processing vehicle: a mechanical laser processing head, a multi-outlet laser processing head and a galvanometer laser processing head, the first mode is simple in structure, the second The third method has high processing efficiency and can be selected according to different requirements.
- FIG. 1 is a schematic structural view of a specific embodiment of the present invention.
- Figure 2 is a front elevational view of the container removed in Figure 1.
- Figure 3 is a plan view of Figure 2.
- Figure 4 is a schematic diagram of the dual drive system and the switching mechanism.
- Figure 5 is a schematic view of the laser processing head on the motion actuator for laser processing the surface of the rail.
- Figure 6 is a side elevational view of the motion actuator and laser processing head of Figure 5.
- Figure 7 is a schematic view of a mechanical laser processing head.
- FIG. 8 is a schematic diagram of an implementation form of a multi-outlet laser processing head.
- Fig. 9 is a schematic view showing another implementation form of the multi-optical laser processing head, wherein 9(a) is a main view and 9(b) is a structural schematic view of the optical head frame in Fig. 9(a).
- Figure 10 is a schematic view of a galvanometer laser processing head.
- FIG 11 is a schematic view of the chassis of the laser processing vehicle which is a split type utility vehicle chassis.
- Figure 12 is a schematic illustration of the addition of the upper rail systems 16 and 16' to Figure 11;
- Fig. 13 is a view showing the structure and working principle of the upper rail system 16, wherein 13(a) is a main view, and 13(b) is a schematic structural view of the first lifting device in Fig. 13(a).
- Fig. 14 is a structural schematic view showing the addition of a passenger's cab on the basis of Fig. 1.
- Figure 15 is a schematic view showing the structure of a laser processing vehicle in which a motion actuator is a combination of a numerically controlled machine tool and an industrial robot.
- Figure 16 is a diagram showing the operation of the motion actuator of Figure 15. Among them: 1, the body; 2, track flat car or rail passenger car chassis; 3, driving control room; 4, container; 5, dual drive system and switching mechanism; 6, grinding and cleaning equipment; 7, refrigerator; 8, laser group 9, motion actuator; 10, light guide system; 11, powder feeder; 12, air compressor; 13, cold dryer; 14, control system; 15, generator set; 16 and 16', upper rail system; 17, laser processing head; 18, CCD monitoring equipment; 19, photoelectric displacement sensor; 20, split-type public iron dual-use chassis.
- Embodiment 1 is an in-line rail laser processing vehicle implemented in accordance with the present invention.
- the laser processing vehicle includes a vehicle body 1, a chassis 2, a driving control room 3 installed at the front of the vehicle body 1, and a container 4 at the rear of the vehicle body 1.
- the body 1 is mounted on the chassis 2
- the chassis 2 is a track flat car or a rail passenger car chassis, and a drive system for transmitting power, a railway wheel pair system running on the rail, and a steering and braking system are installed at the bottom.
- the driving control room 3 also has a general console 3.1, a CCD monitoring system 3.2, and a drive switching operating system 3.3. As shown in FIGS.
- the container 4 of the laser processing vehicle is equipped with a dual drive system and a switching mechanism 5, a sanding and cleaning device 6, a refrigerator 7, a laser group 8, a motion actuator 9, a light guiding system 10, and a delivery unit.
- the main console 3.1 in the driving control room 3 is used to start and shut down the generator set 15 and the control system 14;
- the CCD monitoring system 3.2 is used to monitor the alignment posture and processing condition of the laser processing head 17 on the rail surface;
- 3.3 is used to operate the dual drive system and the switching mechanism 5 to realize the switching of the drive system;
- the grinding and cleaning device 6 is used for cleaning the surface of the rail to be processed;
- the generator set 15 is the refrigerator 7, the motion actuator 9, the powder feeder 11.
- Air compressor 12, cold dryer 13, control system 14 and laser high voltage power supply 16 provide the electrical energy required for operation.
- the laser high voltage power supply 16 supplies the laser group 8 with the DC high voltage required to generate the laser.
- the laser group 8 is a fiber laser, a diode-pumped solid-state laser, a lamp-pumped solid-state laser, a semiconductor laser or a disc-shaped (Di sk) laser; and the motion actuator 9 is a conventional numerically controlled machine tool or/and a multi-axis industrial robot.
- the control system 14 is electrically connected to the refrigerator 7, the laser group 8, the powder feeder 11, the air compressor 12, the cold dryer 13, and the laser high voltage power source 16, controls the opening and closing of each device, and controls the motion actuator 9 according to the setting. Fixed trajectory movement.
- the laser processing head 17 is moved by the motion actuator 9 in accordance with the trajectory set by the control system 14, and the laser processing of the rail surface is completed.
- the laser group 8 transmits the laser beam to the laser processing head 17 through the light guiding system 10, Focus and act on the surface of the workpiece.
- the light guiding system 10 can employ an existing fiber optic transmission system. When a semiconductor laser is used as the light source, the laser group 8 can be connected to the laser processing head 17 through the light guiding system 10 (here, a beam expanding collimation system).
- the powder feeder 11 is connected to the nozzle of the laser processing head 17 through a conduit.
- the refrigerator 7 supplies cooling water to the optical lenses on the laser group 8, the light guiding system 10, and the laser processing head 17 through pipes.
- the air outlet of the air compressor 12 is connected to the air inlet of the dryer 13 through a pipe, and the air outlet of the dryer 13 is connected to the nozzle of the laser processing head 17 through a pipe.
- the compressed air generated by the air compressor 12 is filtered by the cold dryer 13 to remove liquid substances such as water and oil droplets, and then sent to the laser processing head 17 as a shielding gas through the pipeline to prevent the laser surface treatment process from being generated.
- the other air outlet of the dryer 13 is connected to the powder feeder 11 through a pipe, and when the powder feeder 11 is opened, the gas is supplied to the laser processing head 17 through a conduit and ejected from the nozzle.
- the dual drive system and switching mechanism 5 includes a process operation drive system 5.1, a conventional on-vehicle operation drive system 5.3, and a switching mechanism 5.2.
- Process operation drive system 5.1 includes servo drive motor 5.11 and reducer 5.12, motor 5.11 and reducer 5.12 are connected by flexible coupling.
- the process operation drive system 5.1 and the conventional on-board operation drive system 5.3 are electrically connected to the control system 14, respectively, and both of them can drive the laser processing vehicle to operate according to the setting of the control system 14.
- the process running drive system 5.1 is used to provide the laser processing vehicle with power drive during the laser processing process, so that the laser processing vehicle can accurately control the movement speed and distance of the laser processing vehicle, and meet the needs of various laser processing vehicles required for laser processing;
- the on-board operating drive system 5.3 is used in laser processing vehicles to provide power for laser processing vehicles without laser processing.
- the switching mechanism 5.2 can be implemented in various ways, either as electrical control of the clutch or as a mechanical structure for gear switching.
- the switching mechanism 5.2 in Fig. 4 is only one of the mechanical structures.
- the switching mechanism 5.2 includes a first pinion 5.21, a second pinion 5.22, a large gear 5.23, and an output shaft 5.24, wherein the first pinion 5.21 is fixedly mounted on the output shaft end of the reducer 5.12; the second pinion 5.22 is fixedly mounted in the conventional The output shaft end of the vehicle running drive system 5.3; the large gear 5.23 is mounted on the output shaft 5.24, which can slide left and right; the output shaft 5.24 is connected to the railway wheel pair system through the transmission system of the chassis 2.
- Switching between the conventional railway drive system 5.3 and the process run drive system 5.1 can be achieved by the switching mechanism 5.2.
- the control system 14 controls the large gear 5.23 to slide to one side on the output shaft 5.24, meshes with the first pinion 5.21, and the switching mechanism 5.2 is switched to the process running drive system 5.1.
- the speed and distance of the laser processing vehicle can be strictly and precisely controlled to meet the needs of various laser processing vehicles required for laser processing.
- control system 14 controls the large gear 5.23 to slide on the output shaft 5.24 to the other side, and meshes with the second pinion 5.22, and switches Institution 5.2 switches to the conventional on-board operating drive system 5.3, which drives away quickly, saves time, and avoids taking up the track for a long time.
- the motion actuator 9 and the laser processing head 17 on the laser processing machine perform laser processing on the rail.
- the motion actuator 9 is one of the common forms of numerically controlled machine tools, including a column 9.1, a beam 9.2, a right longitudinal beam 9.3, and a left longitudinal beam 9.4.
- Column 9.1, beam 9.2, right longitudinal beam 9.3 and left longitudinal beam 9.4 are internally equipped with ball screw nut pairs, wherein the ball screw is driven by a servo motor.
- the beam 9.2 can be moved up and down on the column 9.1
- the right longitudinal beam 9.3 can be moved left and right on the beam 9.2, and the left longitudinal beam 9.4 is fixedly mounted on the beam 9.2.
- the right longitudinal beam 9.3 is mounted with a laser processing head 17 movable up and down, the bottom of the laser processing head 17 is mounted with a CCD monitoring device 18; and the left longitudinal beam 9.4 is mounted with a photoelectric displacement sensor movable along the upper and lower beams 9.4 19.
- the CCD monitoring device 18 is in communication with the CCD monitoring system 3.2, and the CCD monitoring device 18 transmits the monitored picture to the CCD monitoring system 3.2.
- the photoelectric displacement sensor 19 is electrically coupled to the control system 14, and the control system 14 receives the data acquired by the photoelectric displacement sensor 19, and issues an instruction to cause the motion actuator 9 to perform a corresponding action.
- the operation of the dual drive system and the switching mechanism 5 is first switched by the drive switching system 3.3, and switched to the conventional in-vehicle operation drive system 5.3, and the laser processing car is driven to the rail by the drive system.
- the road section to be processed is then switched to the process operation drive system 5.1 by the operation of the drive switching system 3.3 for the dual drive system and the switching mechanism 5.
- the main console 3.1 activates the switches of the genset 15 and the control system 14, and then the control system 14 controls the start chiller 7, the laser set 8, the motion actuator 9, the powder feeder 11, the air compressor 12, the cold dryer 13 and the laser high voltage power supply 16 switch, so that each device is in standby state.
- the control system 14 controls the beam 9.2 in the motion actuator 9 to move down the column 9.1 to the appropriate position, the right stringer 9.3 descends with the beam 9.2, and then drives the laser processing head 17 along the right stringer.
- 9.3 Lowering to the position above the rail to be treated, the photoelectric displacement sensor 19 is lowered along the left longitudinal beam 9.4 to a parallel distance from the inside of the rail.
- the control system 14 issues an instruction to cause the laser group 7 to emit a laser beam according to the set parameters, and the laser processing vehicle is driven by the process operation driving system 5.1.
- the set parameters to run forward on the rail.
- the laser processing vehicle In the laser processing process, due to the serpentine shape of the railway track, the laser processing vehicle also moves forward in a serpentine shape.
- the photoelectric displacement sensor 19 measures its initial distance from the inner side of the rail to the inner side of the rail.
- the displacement variation between the two, and the displacement variation is fed back to the control system 14, and the control system 14 then controls the right longitudinal beam 9.3 to make a corresponding displacement on the beam 9.2 according to the displacement variation, thereby ensuring laser processing in real time.
- the head 17 is always precisely aligned with the rail to be treated to achieve an accurate trajectory for laser processing of the laser processing vehicle.
- the laser processing head 17 has three structural forms, the first one is a mechanical laser processing head 17.1, as shown in FIG. 7;
- the second type is a multi-port laser processing head, and there are two specific embodiments 17.2 and 17.3, as shown in Figs. 8, 9; the third is a galvanometer laser processing head 17.4, as shown in Fig. 10.
- the mechanical laser processing head 17.1 comprises a servo motor 17.1.1, a mirror 17.1.2, and a mirror 17.1.3, wherein the mirror 17.1.3 is fixedly mounted on the frame of the mechanical laser processing head 17.1.
- the mirror 17.1.2 is mounted on the output shaft of the servo motor 17.1.1, and the servo motor 17.1.1 can drive the mirror 17.1.2 to swing.
- the single-beam laser scanning process can be performed on the rail by the mechanical laser processing head 17.1.
- the first multi-ejecting laser processing head 17.2 comprises a first bracket 17.2.1 and a second bracket 17.2.2, and a hollow shaft 17.2.3 which can be swung is movably mounted between the two brackets, and the hollow shaft 17.2 .3 is fixedly mounted with a first reflective transmission lens 17.32, a second reflective transmission lens 17.32, a third reflection transmission mirror 17.2.33, a fourth reflection transmission mirror 17.2.34 and a mirror 17.2.35.
- Each of the reflection mirrors and the mirrors is a 45-degree reflection, wherein the first reflection transmission mirror 17.2.31 and the fourth reflection transmission mirror 17.2.34 have a reflection transmittance of 1:1, and the second reflection transmission mirror 17.2.32 The reflection transmittance is 1:3, and the reflection transmittance of the third reflection transmission mirror 17.2.33 is 1:2.
- the laser beam 17.2.41 is divided into a reflected beam 17.2.42 and a transmitted beam 17.2.43 through the first reflection transmission mirror 17.2.31, and the reflected beam 17.2.42 passes through the second reflection transmission mirror 17.3.22 and the third reflection transmission mirror 17.2. 33.
- the fourth reflection transmission mirror 17.2.34 and the reflector 17.2.35 finally obtain four laser beams of equal energy to act on the rail through the respective light exit ports.
- Transmission beam 17.2.43 Four laser beams of equal energy are divided into the same way to act on the rail through the respective light exits.
- the multi-pass laser processing head 17.2 can include more than three reflective mirrors or mirrors with different reflection and transmittance, so that one laser beam can be divided into multiple beams of equal energy. When these reflective mirrors and mirrors oscillate with the hollow shaft 17.2.3, multiple beams are simultaneously scanned and the rail is scanned.
- the second multi-exhaust laser processing head 17.3 comprises a first motor 17.3.1, a first motor output shaft 17.3.2, a frame 17.3.3, a cam 17.3.4, a second motor 17.3 .5. Hinge 17.3.6, strut 17.3.7 and head frame 17.3.8.
- the cam 17.3.4, the second motor 17.3.5, the hinge 17.3.6, the strut 17.3.7 and the head frame 17.3.8 are all mounted in the frame 17.3.3
- the optical head frame 17.3.8 is mounted on the strut 17.3.7 The end.
- the first motor 17.3.1 drives the cam 17.3.4, the second motor 17.3.5, the hinge 17.3.6, the strut 17.3.7 and the head frame 17.3 mounted in the frame 17.3.3 via the first motor output shaft 17.3.2.
- the oscillating motion is centered on the first motor output shaft 17.3.2.
- the second motor 17.3.5 drives the cam 17.3.4 to rotate in the output shaft of the second motor 17.35, thereby driving the strut 17.3.7 and the optical head frame 17.3.8 to oscillate about the hinge 17.3.6.
- the optical head frame 17.3.8 includes two sets of collimating focusing mirror systems 17.3.8, a light exiting port group 17.3.83, and a support frame 17.3.82 supporting both front and rear mounting.
- the light exit group 17.3.83 may contain one or more light exit ports to achieve multiple beams Laser processing is also performed at the same time.
- the galvanometer laser processing head 17.4 is a typical double galvanometer structure, including the first dedicated motor 17.4.1, the first galvanometer 17.4.2, the field lens 17.4.3, and the second dedicated motor 17.4. .4 and second galvanometer 17.4.5.
- the first galvanometer 17.4.1 and the second galvanometer 17.4.2 are respectively mounted on the output shafts of the first dedicated motor 17.4.1 and the second dedicated motor 17.4.4, respectively, and the first dedicated motor 17.4.1 and the The output shaft of the special motor 17.4.4 is oscillated at the center to adjust the position of the laser beam in two different directions.
- the laser beam finally acts on the workpiece through the field lens 17.4.3.
- the laser can be quickly scanned by program control.
- a passenger's cab 3' may be added to the rear of the vehicle body, and the passenger's cab 3' is mainly used for the passenger to observe the rear track of the vehicle when the vehicle is running on the track, the first officer There is a simple control button in the room 3'. In case of sudden situation, it can be braked or parked urgently, mainly for safety protection.
- the dual drive system and the switching mechanism 5 of the first embodiment can switch the drive system according to different working conditions of the laser processing vehicle.
- precise operation can be performed on the railway track according to the process requirements, thereby ensuring the accuracy of laser processing.
- the motion actuator 9 of the first embodiment is mounted with a photoelectric displacement sensor 19, and the photoelectric displacement sensor 19 can adjust the position of the laser processing head 17 in real time according to the rail trajectory, so that the laser processing head 17 is always aligned with the rail to be processed. Position, thus ensuring an accurate trajectory of laser processing.
- the laser processing head 17 of the first embodiment has three forms, including a mechanical laser processing head 17.1, a multi-disc laser processing head 17.2, 17.3, and a galvanometer laser processing head 17.4.
- a CCD monitor head 18 is mounted on the bottom of the laser processing head 17.
- Multi-optic laser processing heads 17.2, 17.3 can realize multi-spot simultaneous laser processing
- galvanometer laser processing head 17.4 can realize programmable laser scanning.
- the first method has a simple structure, and the second and third modes have high processing efficiency and can be selected according to different requirements.
- Embodiment 2 is a public-purpose dual-purpose laser processing vehicle according to the present invention.
- Embodiment 2 uses the split-type utility vehicle chassis 20 so that the laser processing vehicle can be It runs on the railway and can also run on the road.
- the split type utility vehicle chassis 20 is used, the conventional in-vehicle operating drive system 5.3 in the dual drive system and the switching mechanism 5 is the drive system of the split type utility vehicle; the driving control room 3 is followed by Corresponding changes, the internal driving operating system is changed to the driving system of the truck, and the indoor console 3.1, CCD monitoring system 3.2 and drive switching operating system 3.3 are also installed.
- the drive switching operating system 3.3 is used to operate the dual drive system and the switching mechanism 5 to drive the drive system 5.1 and the drive system of the split-type utility vehicle. Line switching.
- the driving system of the split-type railroad car has a public iron mode conversion system, through which the walking mode of the public-rail dual-purpose laser processing vehicle from "road to railway” and from “railway to highway” can be realized. Conversion.
- Embodiment 3 is another form of a dual-purpose laser processing vehicle according to the present invention.
- Embodiment 3 differs from Embodiment 2 in that upper rail systems 16 and 16' are added to the split-type utility vehicle chassis 20, since the upper rail systems 16 and 16' are applied to The hydraulic cylinder requires an additional hydraulic system in the container 4, and an operating platform for controlling the upper rail systems 16 and 16' and the hydraulic system is also required in the driving control room 3.
- the other parts of the cast iron laser processing vehicle are the same as in the first embodiment.
- the upper rail system 16 includes four sets of lifting devices and a set of lateral telescopic devices 16.5, and the four sets of lifting devices are respectively a first lifting device 16.1, a second lifting device 16.2, a third lifting device 16.3 and The fourth lifting device 16.4.
- the transverse expansion device 16.5 comprises a hydraulic cylinder 16.51 and a piston rod 16.52, wherein the piston rod 16.52 is fixedly connected to the hydraulic cylinder 16.51, the other end is fixedly connected to the second lifting device 16.2; the other end of the transverse expansion device 16.5 and the first lifting device 16.1 Fixed connection with rack 16.7 installed at the bottom.
- the third lifting device 16.3 and the fourth lifting device 16.4 are connected by a connecting rod 16.6, the connecting rod 16.6 is fixedly mounted inside the square frame 16.10, and the square frame 16.10 is fixedly mounted on the split type utility vehicle chassis 20, the split type public A hydraulic motor 16.9 and a gear 16.8 are mounted inside the iron dual-purpose vehicle chassis 20, and the hydraulic motor 16.9 is coupled to the gear 16.8 shaft.
- the transverse expansion device 16.5 is mounted inside the square frame 16.10 by the engagement of its bottom rack 16.7 with the gear 16.8.
- the first lifting device 16.1 includes a hydraulic cylinder 16.11, a piston rod 16.12 and an lifting sleeve 16.13, wherein the piston rod 16.12 is connected to the hydraulic cylinder 16.11 and the other end is connected to the lifting sleeve 16.13.
- the second lifting device 16.2, the third lifting device 16.3 and the fourth lifting device 16.4 are identical in structure to the first lifting device 16.1.
- the upper rail system 16' has the same structure as the upper rail system 16. Through the upper rail system 16 and 16 ', it is possible to achieve a safe upper rail of the laser processing vehicle on any track section.
- the hydraulic system within the container 4 provides hydraulic power to the hydraulic cylinders and hydraulic motors of the upper rail systems 16 and 16' which are used to open and close the hydraulic system and to control the amount of power provided by the hydraulic system.
- the upper rail of the dual-purpose laser processing vehicle is implemented as follows.
- the increased hydraulic system controls the hydraulic cylinders in the first lifting device 16.1 and the third lifting device 16.3 in the upper rail system 16 to push the lifting sleeve downward through the piston rod,
- Supporting a square frame 16.10 fixedly mounted on the split-type utility vehicle chassis 20 the first lifting device 16 in the upper rail system 16' and the third lifting device 16.3' also support the square frame 16.10'
- the square frames 16.10 and 16.10' bear the weight of the entire laser processing car, Raise the entire car body above the railway track.
- the second lifting device 16.2 is extended to a certain length by the hydraulic cylinder 16.51 in the transverse telescopic device 16.5 by the piston rod 15.52, and then the second lifting device 16.2 is extended downward.
- the third, third lifting device 16.3 is retracted upwardly to the initial position, at which time the first lifting device 16.1 and the second lifting device 16.2 support the square frame 16.10, as is the upper rail system 16', thereby supporting the laser processing vehicle.
- the split type utility vehicle chassis 20 is moved to the right by the internal hydraulic motor 16.19 driving gear 16.8, thereby driving the entire vehicle body to expand and contract in the lateral direction.
- the device 16.5 moves laterally to the right until it moves over the rail.
- the first lifting device 16.1 and the second lifting device 16.2 Shrink to the initial position, and at the same time, the transverse telescopic device 16.5 is also contracted to the initial position, thereby completing the task of the upper rail of the dual-purpose laser processing vehicle.
- the upper rail of any rail section can be used, and on the basis of the second embodiment, the flexibility of the upper rail of the public-metal dual-purpose laser processing vehicle is greatly improved.
- Embodiment 4 is still another form of a dual-purpose laser processing vehicle according to the present invention.
- the difference between Embodiment 2 and Embodiment 1 is that the laser machining motion actuator 9 is not a conventional CNC machine tool form, but a combination of a CNC machine tool and an industrial robot.
- the motion actuator 9 includes a column 9.1, a seesaw 9.5, and an industrial robot 9.6.
- the column 9.1 is internally fitted with a ball screw nut pair, wherein the ball screw is driven by a servo motor.
- the robot 9.6 is mounted on the seesaw 9.5, with the seesaw 9.5 moving up and down the column 9.1; the end of the industrial robot 9.6 is equipped with a laser processing head 17, and the bottom of the laser processing head 17 is also equipped with a CCD monitoring device 18.
- the control system 14 needs to increase the control of the industrial robot accordingly.
- the control system 14 first controls the seesaw 9.5 in the motion actuator 9 to carry the industrial robot 9.6 down the column 9.1 to the appropriate position, and then control each of the industrial robots 9.6.
- the shaft cooperates to move the laser processing head 17 to a suitable processing station to achieve laser processing on the rail surface.
- the other parts of the dual-purpose laser processing car of the fourth embodiment are the same as those of the first embodiment.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/375,970 US9365983B2 (en) | 2012-03-27 | 2013-06-13 | Onsite steel rail laser processing vehicle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210229833.6 | 2012-07-05 | ||
| CN2012102298336A CN102776812B (zh) | 2012-03-27 | 2012-07-05 | 一种在线式钢轨激光加工车 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014005478A1 true WO2014005478A1 (zh) | 2014-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2013/077200 Ceased WO2014005478A1 (zh) | 2012-03-27 | 2013-06-13 | 一种在线式钢轨激光加工车 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2014005478A1 (zh) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1434170A (zh) * | 2002-01-22 | 2003-08-06 | 张准胜 | 铁路轨道激光维修车 |
| WO2005080686A1 (en) * | 2004-02-23 | 2005-09-01 | Sandro Favilli | Hardening process using laser in railway applications and relative equipment |
| CN101403030A (zh) * | 2008-03-10 | 2009-04-08 | 华中科技大学 | 一种用于钢轨表面强韧化处理的在线激光加工设备 |
| CN102776812A (zh) * | 2012-03-27 | 2012-11-14 | 武汉新瑞达激光工程有限责任公司 | 一种在线式钢轨激光加工车 |
-
2013
- 2013-06-13 WO PCT/CN2013/077200 patent/WO2014005478A1/zh not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1434170A (zh) * | 2002-01-22 | 2003-08-06 | 张准胜 | 铁路轨道激光维修车 |
| WO2005080686A1 (en) * | 2004-02-23 | 2005-09-01 | Sandro Favilli | Hardening process using laser in railway applications and relative equipment |
| CN101403030A (zh) * | 2008-03-10 | 2009-04-08 | 华中科技大学 | 一种用于钢轨表面强韧化处理的在线激光加工设备 |
| CN102776812A (zh) * | 2012-03-27 | 2012-11-14 | 武汉新瑞达激光工程有限责任公司 | 一种在线式钢轨激光加工车 |
| CN202809417U (zh) * | 2012-03-27 | 2013-03-20 | 武汉新瑞达激光工程有限责任公司 | 一种在线式钢轨激光加工车 |
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