CN105064152A - Profiling full-fracture-surface grinding machine with five grinding heads for steel rail welding seams and grinding method - Google Patents
Profiling full-fracture-surface grinding machine with five grinding heads for steel rail welding seams and grinding method Download PDFInfo
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- CN105064152A CN105064152A CN201510527266.6A CN201510527266A CN105064152A CN 105064152 A CN105064152 A CN 105064152A CN 201510527266 A CN201510527266 A CN 201510527266A CN 105064152 A CN105064152 A CN 105064152A
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Abstract
The invention relates to a profiling full-fracture-surface grinding machine with five grinding heads for steel rail welding seams and a grinding method. The profiling full-fracture-surface grinding machine comprises two rail head grinding mechanisms, two rail web grinding mechanisms and a rail bottom grinding mechanism. The profiling full-fracture-surface grinding machine is characterized in that the rail head grinding mechanisms, the rail web grinding mechanisms and the rail bottom grinding mechanism are integrally fixed to a foundation lower sliding table device through power sliding table fixing frames in the corresponding grinding mechanisms. Head grinding assemblies of the rail head grinding mechanisms abut against the parts, to be ground, of rail heads. Head grinding assemblies of the rail web grinding mechanisms abut against the parts, to be ground, of rail webs. Head grinding assemblies of the rail bottom grinding mechanism abut against parts, to be ground, of the rail bottoms. The foundation lower sliding table device is connected through a foundation lower sliding table feeding mechanism in a control mode and arranged on a foundation plate assembly, and one-time mechanized full-fracture-surface grinding is achieved. The profiling full-fracture-surface grinding machine is long in service life, high in automation degree, high in operability, fewer in required workers, light in pollution to the environment and tiny in possibility of personal injury to workers.
Description
[technical field]
The present invention relates to railroad track engineering construction and maintenance technology field, particularly a kind of for the track traffic such as light rail, subway steel rail welding line five bistrique profiling tunneling boring sander and polishing process.
[background technology]
Rail welding is the Chief technology realizing railway high speed, track seamless process, and the quality of welding point directly has influence on the application life of circuit and the safety of train operation.The quality of welding point not only comprises the inherent welding quality (if inside is with or without weld defect) of weld seam, the prior face of weld quality also comprised in joint area, as the polishing quality at the positions such as rail head, the web of the rail, the flange of rail, the stress raisers that surperficial irregularity causes, greatly can shorten the fatigue life that rail uses, and directly can affect the speed of service and the stationarity of train.
At present, the steel rail grinding equipment of domestic and international application mainly contains rail grinding machine serial equipment and rail grinding train.Now conventional rail grinding machine serial equipment comprises sander for copying steel rails polishing rail head and joins the artificial hand-held staight shank wheel sander polishing flange of rail, and the web of the rail (comprising trigonum) is polished without suitable equipment temporarily.Sander for copying steel rails is generally with internal combustion engine or electrical actuation power source, hand-held staight shank wheel sander general electricity consumption masterpiece power source, the mode of empirical formula artificial visually examine or mechanical measuring is adopted to carry out detection control, cause polishing quality unstable, inefficiency, labor strength is large, and labor intensive is many, can not meet production efficiency requirement, a large amount of dust produced in polishing cause operating environment to worsen and have a strong impact on the healthy of constructor.Rail grinding train be a kind of self-powered, voluntarily, and can automatically complete the big machinery of polishing operation to circuit rail, be a kind of complex structure, control advanced, integrate mechanical, electrical, the construction equipment of liquid, gas and computer technology.There is high-quality and high efficiency polishing advantage.But its acquisition cost costliness, be used for work business scene and carry out the maintenance after repair welding and preventive grinding construction to the rail of track traffic, service line is long, and workload is large and concentrated.Be not suitable for the polishing construction operating mode after the orbital docking welding of newly-built track traffic gapless track section of track method job site.Along with improving constantly of requiring track traffic driving, gapless track is more and more stricter to rail welding quality requirement, in the urgent need to carrying out high-quality polishing to the tunneling boring weld seam of bond weld, ensure glacing flatness and the section uniformity of track total length, reach train operation steady, eliminate safe hidden trouble, ensure train operating safety, extend rail application life.
The rail welding polishing operating mode of domestic and international application can be divided into three major types.One is the rail welding polishing of weldering base of the rail ground, is characterized in that rail moves, the fixing polishing construction of equipment; Two is that newly-built line is laid a railway track job site long rail welding polishing, is characterized in that rail is fixed, equipment moving polishing construction; Three is that the business of track traffic traffic coverage rail work is safeguarded, is characterized in stressing rail head of rail end face and inward facing surface at full line maintenance polishing construction.The common ground of three is: carry out an acceptance inspection according to the welding point glacing flatness of TB10413-2003 " railroad track engineering construction quality acceptance criteria " and surface quality requirements, the position of most important polishing is end face, the inward facing surface of rail head of rail, taking second place is the flange of rail and flange of rail upper side trigonum, is finally web of the rail side (acceptance criteria is temporarily without Compulsory Feature).
For above three class polishing operating modes, unit in charge of construction and equipment manufacturers develop grinding apparatus miscellaneous and polishing process successively.Three kinds of polishing process can be summarized as: one is hand grinding tool manual operations polishing process for existing welding polishing; Be characterized in that consumption is artificial, labour intensity is large, inefficiency, polishing quality to the technology of operating personnel, experience dependence is large and can not be guaranteed, the environment pollution of polishing dust is serious, causes healthy injury etc. to operating personnel.Two is that part adopts profiling (as the grinding wheel of rail head of rail, web of the rail shape and abrasive band application) to coordinate plane polishing process; Be characterized in that part solves polishing automation polishing, part hand fit, need back and forth to polish, surface quality precision is not high, and consume is serious, does not form good economy.Three is rail grinding train polishing process, adopt multiple polishing vehicle structures with multiple grinding head, multiple grinding wheel and rail are kept at an angle and cutting force, by setting different emery wheel pivot angles, complete the polishing reparation to the different defect of Rail Surface.Be characterized in that being only applicable to the business of existing line long distance work safeguards, be unsuitable for the engineering construction of newly-built line jointless track, and the position of its polishing is only limitted to the polishing construction of rail head of rail end face and side, being interrupted mobile polishing cannot realize.
Comparatively advanced polishing process or the reciprocal polishing process of common profiling manual operation in current domestic trackways engineering construction, flange of rail polishing process is also in development, and standard-required is not high, and web of the rail polishing process is also in the manual polishing stage.After fine grinding, Rail Surface roughness does not have clear and definite standard yet.Adopt steel rail welding line tunneling boring polishing process can meet standard solder joint glacing flatness and surface quality requirements for above-mentioned situation, buffed surface roughness grade number can be improved again, realize the polishing of rail tunneling boring disposable machine uniformlyization.
[summary of the invention]
The object of the invention is to: solve above-mentioned the deficiencies in the prior art, a kind of profiling tunneling boring sander and polishing process thereof are provided, by five cover grinding head mechanism co-operatings, polished in the full face weld grinding region of envelope rail, solve newly-built line length distance mobile weldering rail operation manual polishing quality unstable, inefficiency, labour intensity is large, labor intensive is many, the problems such as dust atmosphere harm is serious, thus more comprehensive, stable, high-quality, high accuracy, high automation degree weld grinding is realized to track.
For achieving the above object, design a kind of steel rail welding line five bistrique profiling tunneling boring sander, comprise rail head grinding machine structure, web of the rail workpiece polishing mechanism, grinder for rail bottom structure, it is characterized in that, two cover rail head grinding machine structures, two cover web of the rail workpiece polishing mechanisms, a set of grinder for rail bottom structure is fixed on the lower slide rest device in basis respectively by the power slide fixed mount established in it is integrated, the grinding head assembly of rail head grinding machine structure and rail head are treated, and polishing part offsets, the grinding head assembly of web of the rail workpiece polishing mechanism and the web of the rail treat that polishing part offsets, the grinding head assembly of grinder for rail bottom structure and the flange of rail treat that polishing part offsets, the lower slide rest device in basis is by slide unit feed mechanism control connection under basis, and be installed on foundation slab assembly, realize the polishing of disposable machine uniformly tunneling boring.
Two cover rail head grinding machine structures are used for the full envelope polishing of profiling of rail head end face and side, often overlap rail head grinding machine structure by grinding head assembly, bistrique driven unit, power slide assembly, power slide driven unit, power slide fixed mount forms, grinding head assembly and bistrique driven unit are installed on the power slide of power slide assembly, power slide assembly is installed on the lower slide rest device in basis by power slide fixed mount, the motor of power slide assembly drives power slide to drive grinding head assembly to be fed to polishing position, the motor of bistrique driven unit drives bistrique to rotate face, the tracking crown by belt pulley and polish in side.
Two cover web of the rail workpiece polishing mechanisms are used for the profiling polishing of rail head bottom surface, web of the rail side and flange of rail trigonum, often overlap web of the rail workpiece polishing mechanism by grinding head assembly, bistrique driven unit, power slide assembly, power slide driven unit, power slide fixed mount, grinding head assembly and bistrique driven unit are installed on the power slide of power slide assembly, and power slide assembly is installed on the lower slide rest device in basis by power slide fixed mount; The motor of power slide assembly drives power slide to drive grinding head assembly to be fed to polishing position, and the motor of bistrique driven unit drives bistrique to rotate by belt pulley and polishes to rail head bottom surface, web of the rail side and flange of rail trigonum.
Described grinder for rail bottom structure is used for the polishing of flange of rail face, grinder for rail bottom structure is by grinding head assembly, bistrique driven unit, power slide assembly, power slide driven unit, power slide fixed mount, grinding head assembly and bistrique driven unit are installed on the power slide of power slide assembly, and power slide assembly is installed on the lower slide rest device in basis by power slide fixed mount; The air cylinder driven power slide of power slide assembly drives grinding head assembly to be fed to polishing position, and the motor of bistrique driven unit drives bistrique to rotate by belt pulley and polishes to the flange of rail.
Under described basis, slide unit feed mechanism is arranged on the rail head grinding machine structure of basis down on slide rest device for driving the lower slide rest device in basis to move along rail length direction and driving, web of the rail workpiece polishing mechanism, grinder for rail bottom structure carries out tunneling boring creep feed grinding polishing operation to rail simultaneously; Under described basis, slide unit feed mechanism is made up of drive motors, motor cabinet, screw mandrel holder, screw mandrel, movable wire female seat; Motor and motor cabinet, screw mandrel holder are installed on foundation slab assembly, and movable wire female seat is installed on the lower slide rest device in basis; Motor drives screw mandrel to rotate, and movable wire female seat drives the lower slide rest device comparative basis plate assembly in basis to move.Thus slide rest device moves along rail length direction and drives the rail head grinding machine structure be arranged on the lower slide rest device in basis under optimized integration, web of the rail workpiece polishing mechanism, grinder for rail bottom structure carries out tunneling boring creep feed grinding polishing operation to rail simultaneously.
Under described basis, slide rest device is fixed with rail head grinding machine structure, web of the rail workpiece polishing mechanism, the movable wire female seat of the lower slide unit feed mechanism of grinder for rail bottom structure and basis; The lower slide rest device in basis is made up of sliding panel, slide, and the lower slide rest device in basis is installed on the line rail of foundation slab assembly by slide, can with foundation slab assembly generation relative motion.
Described foundation slab assembly is made up of foundation slab, supporting roller assembly, horizontal positioning device, perpendicular positioning block, line rail, vertical lift-up device; Fixedly guaranteed the accuracy of polishing by horizontal positioning device and perpendicular positioning block and rail foundation slab assembly carries out polishing operation during in steel rail grinding district; After completing polishing operation, releasing horizontal positioning device and perpendicular positioning block are fixed, and be bearing in rolling on rail carry out scope of operation transfer by vertical lift-up device jacking supporting roller assembly; By slide rest device under line rail installation foundation.Described foundation slab assembly is used for motor cabinet and the screw mandrel holder of slide unit feed mechanism under installation foundation, slide rest device under installation foundation, realize duty and rail is located, transfering state along rail traveling, is the bogey of whole sander by vertical lift-up device jacking backing roll supporting.
The polishing process of above-mentioned steel rail welding line five bistrique profiling tunneling boring sander, it is characterized in that, the step of described method is as follows:
Step 1, after the overall original state of adjustment sander, start sander, under described basis, slide unit feed mechanism is arranged on the rail head grinding machine structure of basis down on slide rest device for driving the lower slide rest device in basis to move along rail length direction and driving, web of the rail workpiece polishing mechanism, grinder for rail bottom structure moves to contact zone, steel rail grinding face;
Step 2, rail head grinding machine structure is finely tuned, two cover rail head grinding machine structures are respectively used to the full envelope polishing of profiling of rail head end face and side, the motor of its power slide assembly drives power slide to drive grinding head assembly to be fed to the polishing position of rail head end face and side, and the motor of bistrique driven unit to be launched drives bistrique to rotate face, the tracking crown by belt pulley and polish in side;
Step 3, web of the rail workpiece polishing mechanism is finely tuned, two cover web of the rail workpiece polishing mechanisms are used for the profiling polishing of rail head bottom surface, web of the rail side and flange of rail trigonum, the motor of its power slide assembly drives power slide to drive grinding head assembly to be fed to the polishing position of rail head bottom surface, web of the rail side and flange of rail trigonum, and the motor of bistrique driven unit to be launched drives bistrique to rotate by belt pulley and polishes to rail head bottom surface, web of the rail side and flange of rail trigonum.
Step 4, grinder for rail bottom structure is finely tuned, described grinder for rail bottom structure is used for the polishing of flange of rail face, and the air cylinder driven power slide of its power slide assembly drives grinding head assembly to be fed to flange of rail polishing position, and the motor of bistrique driven unit to be launched drives bistrique to rotate by belt pulley and polishes to the flange of rail.
Step 5, start the bistrique driven unit of five cover workpiece polishing mechanisms, bistrique High Rotation Speed, carries out creep feed grinding to rail relevant position simultaneously, realizes the polishing of disposable machine uniformly tunneling boring;
Step 6, after having polished, the lower slide unit feed mechanism of five cover workpiece polishing mechanisms and basis returns the front original state of adjustment, drives sander to move to the next scope of operation, repeat step 1-5, enter next work cycle by tractor.
During original state adjustment, sander is placed on the section of track of the standard gauge in default initial position rail joint weld grinding district, the perpendicular positioning block of checkout gear Fundamentals of Measurement plate assembly and rail profile distance parameter, foundation slab is driven to be adjusted to horizontal operation state by the vertical lift-up device be arranged on foundation slab, put in place with vertical fixed block action simultaneously fixed adjustment foundation slab assembly by the horizontal positioning device be arranged on foundation slab, after having polished, remove level and the perpendicular positioning of foundation slab assembly and rail simultaneously, vertical lift-up device jacking foundation slab assembly on foundation slab, enter non-construction transfer transition.
The present invention can realize newly-built line section of track method construction Mobile portable to disposable, the mechanization of rail top of steel rail, trackside, the web of the rail, trigonum and the flange of rail, tunneling boring polishing, improve polishing quality scale: the allowable variation of tunneling boring glacing flatness can be controlled in 0.3 millimeter of rank, surface irregularity also can be controlled in 0.1 millimeter of rank, realizes steel rail grinding magnitude and breaks through.Realize weld grinding acceptable quality level be increased to 90% and more than, scrappage controls in 0.2% scope, save construction cost 20%-50%, improve polishing efficiency of construction, improve polishing quality and high efficiency new approaches for the fixing welding polishing construction of long rail welding base provides a kind of simultaneously, use flexible wiggle grinding polishing and invariable power feeding polishing, feed mechanism is driven automatically to regulate feed speed according to the size of the bistrique Sanding Area moment of resistance, can directly cross without the need to burnishing part, the amount of feeding is then slowed down in the interval that stock removal is large, decrease driving arrangement fault rate, extend the application life of equipment, add economic usability, long service life, automaticity is high, workable, need artificial few, environment pollution is light, the possibility that workman is subject to personal injury is small.
[accompanying drawing explanation]
Fig. 1 is schematic overview of the present invention;
In figure: 1, rail head grinding machine structure, 2, web of the rail workpiece polishing mechanism, 3, grinder for rail bottom structure, 4, the lower slide unit feed mechanism in basis, 5, the lower slide rest device in basis, 6, foundation slab assembly;
Fig. 2 is rail head grinding machine structure schematic diagram of the present invention;
In figure: 1-1, grinding head assembly, 1-2, bistrique driven unit, 1-3, power slide assembly, 1-4, power slide driven unit, 1-5, power slide fixed mount;
Fig. 3 is web of the rail workpiece polishing mechanism schematic diagram of the present invention;
In figure: 2-1, grinding head assembly, 2-2, bistrique driven unit, 2-3, power slide assembly, 2-4, power slide driven unit, 2-5, power slide fixed mount;
Fig. 4 is grinder for rail bottom structure schematic diagram of the present invention;
In figure: 3-1, grinding head assembly, 3-2, bistrique driven unit, 3-3, power slide assembly, 3-4, power slide driven unit, 3-5, power slide fixed mount;
Fig. 5 is slide unit feed mechanism schematic diagram under basis of the present invention;
In figure: 4-1, drive motors, 4-2, motor cabinet, 4-3, screw mandrel holder, 4-4, screw mandrel, 4-5, movable wire female seat;
Fig. 6 is slide rest device schematic diagram under basis of the present invention;
In figure: 5-1, sliding panel, 5-2, slide;
Fig. 7 is foundation slab assembly schematic diagram of the present invention;
In figure: 6-1, foundation slab, 6-2, supporting roller assembly, 6-3, horizontal positioning device, 6-4, perpendicular positioning block, 6-5, line rail, 6-6, vertical lift-up device.
Fig. 8 is the present invention five bistrique tunneling boring profile modeling schematic diagram;
In figure: 7-1, rail, the left profiling bistrique of 7-2, rail head, the right profiling bistrique of 7-3, rail head, 7-4, web of the rail left surface profiling bistrique, 7-5, web of the rail right flank profiling bistrique; 7-6, flange of rail face profiling bistrique;
Fig. 9 is creep feed grinding principle schematic of the present invention;
In figure: 8-1, rail, 8-2, weld seam, 8-3, profiling bistrique.
[detailed description of the invention]
For making object of the present invention, principle and structure more cheer and bright, be further elaborated below in conjunction with drawings and the specific embodiments.
A kind of steel rail welding line five bistrique profiling tunneling boring sander, comprises shown in its structural reference Fig. 1:
Rail grinding weld seam five bistrique profiling tunneling boring sander walks to the rail joint weld grinding district of predeterminated position by locating after detection control data-oriented, be installed on two cover rail head grinding machine structures 1 on the lower slide rest device 5 (being installed on the line rail 6-5 of foundation slab assembly 6) in basis, two cover web of the rail workpiece polishing mechanisms 2, a set of grinder for rail bottom structure 3, slide unit feed mechanism drives lower self-powered rotation simultaneously to exceed the former section of rail to steel rail welding line to carry out creep feed grinding processing under the foundation, realize the polishing of disposable machine uniformly tunneling boring, rail welding place is made to return to the former cross section same shape with rail, and keep its joint rounding off and surface quality.
Shown in figure 7, wherein, described foundation slab assembly 6 comprises foundation slab 6-1, and foundation slab 6-1 installs supporting roller assembly 6-2, horizontal positioning device 6-3, perpendicular positioning block 6-4, line rail 6-5, vertical lift-up device 6-6, the motor cabinet 4-2 of the lower slide unit feed mechanism 4 in basis, screw mandrel holder 4-3.
Fixedly guaranteed the accuracy of polishing by horizontal positioning device 6-3 and perpendicular positioning block 6-4 and rail described foundation slab assembly 6 carries out polishing operation during in steel rail grinding district; After completing polishing operation, remove horizontal positioning device 6-3 and perpendicular positioning block 6-4 and fix, after vertical lift-up device 6-6 jacking, be bearing in rolling on rail by supporting roller assembly 6-2 and carry out scope of operation transfer; By slide rest device 5 under line rail 6-5 installation foundation, by the motor cabinet 4-2 of slide unit feed mechanism 4 under basis, screw mandrel holder 4-3 fixedly makes the lower slide rest device 5 in basis carry out relative motion with foundation slab assembly 6.
Shown in figure 6, wherein, under described basis, slide rest device 5 comprises sliding panel 5-1, sliding panel 5-1 installs slide 5-2, under described basis, slide rest device 5 is installed on the line rail 6-5 of foundation slab assembly 6 by slide 5-2, can there is relative motion with foundation slab assembly 6 under driving in slide unit feed mechanism 4 under the foundation, realize polishing along the feeding of rail length direction, the movable wire female seat 4-5 of slide unit feed mechanism 4 under installation foundation on slide rest device 5 under described basis, the power slide fixed mount 1-5 of two cover rail head grinding machine structures 1, the power slide fixed mount 2-5 of two cover web of the rail workpiece polishing mechanisms 2, the power slide fixed mount 3-5 of a set of grinder for rail bottom structure 3, form a whole set of movement and be polished flat table apparatus.
Shown in figure 2, wherein, described rail head grinding machine structure 1 comprises power slide fixed mount 1-5, power slide fixed mount 1-5 installs power slide driven unit 1-3, the Mobile Slide of slide unit driven unit 1-3 installs grinding head assembly 1-1, driven unit 1-2.Two cover rail head grinding machine structures 1 are arranged on the lower slide rest device 5 in basis by the symmetrical also interlaced arrangement of rail length direction center line respectively by power slide fixed mount 1-5.
Wherein, the slide unit driven unit 1-3 of rail head grinding machine structure 1 drives screw mandrel to drive Mobile Slide relatively to fix slide unit by motor and moves, drive the grinding head assembly 1-1 be installed on Mobile Slide, driven unit 1-2 feeding puts in place, and the motor of bistrique driven unit 1-2 drives the profiling bistrique of grinding head assembly 1-1 rotation face, the tracking crown and side to polish by belt gear simultaneously.
The rail head bistrique of the grinding head assembly 1-1 of described rail head grinding machine structure 1 is the revolution shape of half rail head end face and single side face profiling.
Shown in figure 3, wherein, described web of the rail workpiece polishing mechanism 2 comprises power slide fixed mount 2-5, power slide fixed mount 2-5 installs power slide driven unit 2-3, the Mobile Slide of slide unit driven unit 2-3 installs grinding head assembly 2-1, driven unit 2-2.Two cover web of the rail workpiece polishing mechanisms 2 are arranged on the lower slide rest device 5 in basis by the symmetrical also interlaced arrangement in the vertical neutral face of rail length direction by power slide fixed mount 2-5.
Wherein, the slide unit driven unit 2-3 of web of the rail workpiece polishing mechanism 2 drives screw mandrel to drive Mobile Slide relatively to fix slide unit by motor and moves, drive the grinding head assembly 2-1 be installed on Mobile Slide, driven unit 2-2 feeding puts in place, and the motor of bistrique driven unit 2-2 drives the rotation of the profiling bistrique of grinding head assembly 2-1 to polish to web of the rail end face and trigonum by belt gear simultaneously.
The web of the rail bistrique of the grinding head assembly 2-1 of described web of the rail workpiece polishing mechanism 2 is the revolution shape of web of the rail single side face and trigonum profiling.
Shown in figure 4, wherein, described grinder for rail bottom structure 3 comprises power slide fixed mount 3-5, power slide fixed mount 3-5 installs power slide driven unit 3-3, the Mobile Slide of slide unit driven unit 3-3 installs grinding head assembly 3-1, driven unit 3-2.A set of grinder for rail bottom structure 3 is arranged on the lower slide rest device 5 in basis by power slide fixed mount 3-5.
Wherein, the slide unit driven unit 3-3 of grinder for rail bottom structure 2 drives Mobile Slide relatively to fix slide unit by air cylinder driven push rod and moves, drive the grinding head assembly 3-1 be installed on Mobile Slide, driven unit 3-2 feeding puts in place, and the motor of bistrique driven unit 3-2 drives the bistrique of grinding head assembly 3-1 rotation tracking bottom surface to polish by belt gear simultaneously.
The flange of rail bistrique of the grinding head assembly 3-1 of described grinder for rail bottom structure 3 is the revolution shape of bowl-type.
As shown in Figure 8, five bistrique tunneling boring profile modeling explanations
Rail head left profile, rail head right profile, web of the rail left profile, web of the rail right profile, flange of rail profile five unit are divided into for rail 7-1 cross sectional shape, according to each steel rail grinding quasi spline rail head left profiling bistrique 7-2, rail head right profiling bistrique 7-3, web of the rail left surface profiling bistrique 7-4, web of the rail right flank profiling bistrique 7-5, flange of rail face profiling bistrique 7-6 five overlaps workpiece polishing mechanism.Wherein, rail head left profiling bistrique 7-2, rail head right profiling bistrique 7-3 designs overlapping Sanding Area, and is staggered front to back layout along rail length direction; Web of the rail left surface profiling bistrique 7-4, web of the rail right flank profiling bistrique 7-5 are also designed to be staggered front to back layout along rail length direction for avoiding polishing state to produce resonance; Flange of rail face profiling bistrique 7-6 is bowl-type structure and has three-dimensional adjustment amount.
In figure, double-head arrow is each workpiece polishing mechanism length feed direction, can realize the relative work of steel rail grinding operation of workpiece polishing mechanism and the adjustment of off working state.By five cover profiling sander structure envelope rail profiles, realize the tunneling boring polishing of rail 7-1.
As shown in Figure 9, creep feed grinding principle explanation
Profiling bistrique 8-3 is the slew gear with imitation profile, first polishing operation face is moved to by depth-feed mechanism, then High Rotation Speed is driven by rotating driving device, moved by flexible Reasonable Speed along rail 8-1 length direction by longitudinal feed mechanism again, realize the creep feed grinding function of feeding limit, limit rotary-grinding.In figure, rotation arrows represents the direction of rotation of profiling bistrique, and flat arrow represents the length feed direction of profiling bistrique.Weld seam and 8-2 profiling bistrique junction be polish carry out state.
Creep feed grinding is flexible polishing operation, i.e. profiling bistrique 8-3 High Rotation Speed, and the amount of feeding is little, and grinding force is little, is provided with the company's control device automatically adjusting the amount of feeding according to moment of resistance size.Inversely, the larger then amount of feeding of the moment of resistance is less, and vice versa for the profiling bistrique 8-3 amount of feeding and the moment of resistance.What creep feed grinding realized is invariable power work pattern, ensure that the low-loss of profiling bistrique 8-3, economic and practical, extends the application life of profiling bistrique 8-3.
Also protective cover can be designed on the basis of the above, being designed to accord with the anticorrosive thin-slab structure of foundation slab assembly 6 and workpiece polishing mechanism, lower slide unit feed mechanism 4 shape need in basis, splashing for preventing polishing operation dust, fill the air the environment pollution that causes and injury etc.
Claims (9)
1. a steel rail welding line five bistrique profiling tunneling boring sander, comprise rail head grinding machine structure, web of the rail workpiece polishing mechanism, grinder for rail bottom structure, it is characterized in that, two cover rail head grinding machine structures, two cover web of the rail workpiece polishing mechanisms, a set of grinder for rail bottom structure is fixed on the lower slide rest device in basis respectively by the power slide fixed mount established in it is integrated, the grinding head assembly of rail head grinding machine structure and rail head are treated, and polishing part offsets, the grinding head assembly of web of the rail workpiece polishing mechanism and the web of the rail treat that polishing part offsets, the grinding head assembly of grinder for rail bottom structure and the flange of rail treat that polishing part offsets, the lower slide rest device in basis is by slide unit feed mechanism control connection under basis, and be installed on foundation slab assembly, realize the polishing of disposable machine uniformly tunneling boring.
2. a kind of steel rail welding line five bistrique profiling tunneling boring sander as claimed in claim 1, it is characterized in that, two cover rail head grinding machine structures are used for the profiling polishing of rail head end face and side, often overlap rail head grinding machine structure by grinding head assembly, bistrique driven unit, power slide assembly, power slide driven unit, power slide fixed mount forms, grinding head assembly and bistrique driven unit are installed on the power slide of power slide assembly, power slide assembly is installed on the lower slide rest device in basis by power slide fixed mount, the motor of power slide assembly drives power slide to drive grinding head assembly to be fed to polishing position, the motor of bistrique driven unit drives bistrique to rotate face, the tracking crown by belt pulley and polish in side.
3. a kind of steel rail welding line five bistrique profiling tunneling boring sander as claimed in claim 1, it is characterized in that, two cover web of the rail workpiece polishing mechanisms are used for the profiling polishing of rail head bottom surface, web of the rail side and flange of rail trigonum, often overlap web of the rail workpiece polishing mechanism by grinding head assembly, bistrique driven unit, power slide assembly, power slide driven unit, power slide fixed mount, grinding head assembly and bistrique driven unit are installed on the power slide of power slide assembly, and power slide assembly is installed on the lower slide rest device in basis by power slide fixed mount; The motor of power slide assembly drives power slide to drive grinding head assembly to be fed to polishing position, and the motor of bistrique driven unit drives bistrique to rotate by belt pulley and polishes to rail head bottom surface, web of the rail side and flange of rail trigonum.
4. a kind of steel rail welding line five bistrique profiling tunneling boring sander as claimed in claim 1, it is characterized in that, described grinder for rail bottom structure is used for the polishing of flange of rail face, grinder for rail bottom structure is by grinding head assembly, bistrique driven unit, power slide assembly, power slide driven unit, power slide fixed mount, grinding head assembly and bistrique driven unit are installed on the power slide of power slide assembly, and power slide assembly is installed on the lower slide rest device in basis by power slide fixed mount; The air cylinder driven power slide of power slide assembly drives grinding head assembly to be fed to polishing position, and the motor of bistrique driven unit drives bistrique to rotate by belt pulley and polishes to the flange of rail.
5. a kind of steel rail welding line five bistrique profiling tunneling boring sander as claimed in claim 1, it is characterized in that, under described basis, slide unit feed mechanism is made up of drive motors, motor cabinet, screw mandrel holder, screw mandrel, movable wire female seat; Motor and motor cabinet, screw mandrel holder are installed on foundation slab assembly, and movable wire female seat is installed on the lower slide rest device in basis; Motor drives screw mandrel to rotate, and movable wire female seat drives the lower slide rest device comparative basis plate assembly in basis to move.
6. a kind of steel rail welding line five bistrique profiling tunneling boring sander as claimed in claim 1, it is characterized in that, under described basis, slide rest device is fixed with rail head grinding machine structure, web of the rail workpiece polishing mechanism, the movable wire female seat of the lower slide unit feed mechanism of grinder for rail bottom structure and basis; The lower slide rest device in basis is made up of sliding panel, slide, and the lower slide rest device in basis is installed on the line rail of foundation slab assembly by slide, can with foundation slab assembly generation relative motion.
7. a kind of steel rail welding line five bistrique profiling tunneling boring sander as claimed in claim 1, is characterized in that, described foundation slab assembly is made up of foundation slab, supporting roller assembly, horizontal positioning device, perpendicular positioning block, line rail, vertical lift-up device; Fixedly guaranteed the accuracy of polishing by horizontal positioning device and perpendicular positioning block and rail foundation slab assembly carries out polishing operation during in steel rail grinding district; After completing polishing operation, releasing horizontal positioning device and perpendicular positioning block are fixed, and be bearing in rolling on rail carry out scope of operation transfer by vertical lift-up device jacking supporting roller assembly; By slide rest device under line rail installation foundation.
8. a polishing process for steel rail welding line five bistrique profiling tunneling boring sander as claimed in claim 1, it is characterized in that, the step of described method is as follows:
Step 1, after the overall original state of adjustment sander, start sander, under described basis, slide unit feed mechanism is arranged on the rail head grinding machine structure of basis down on slide rest device for driving the lower slide rest device in basis to move along rail length direction and driving, web of the rail workpiece polishing mechanism, grinder for rail bottom structure moves to contact zone, steel rail grinding face;
Step 2, rail head grinding machine structure is finely tuned, two cover rail head grinding machine structures are used for the full envelope polishing of profiling of rail head end face and side, the motor of its power slide assembly drives power slide to drive grinding head assembly to be fed to the polishing position of rail head end face and side, and the motor of bistrique driven unit to be launched drives bistrique to rotate face, the tracking crown by belt pulley and polish in side;
Step 3, web of the rail workpiece polishing mechanism is finely tuned, two cover web of the rail workpiece polishing mechanisms are used for the profiling polishing of rail head bottom surface, web of the rail side and flange of rail trigonum, the motor of its power slide assembly drives power slide to drive grinding head assembly to be fed to the polishing position of rail head bottom surface, web of the rail side and flange of rail trigonum, and the motor of bistrique driven unit to be launched drives bistrique to rotate by belt pulley and polishes to rail head bottom surface, web of the rail side and flange of rail trigonum.
Step 4, grinder for rail bottom structure is finely tuned, described grinder for rail bottom structure is used for the polishing of flange of rail face, and the air cylinder driven power slide of its power slide assembly drives grinding head assembly to be fed to flange of rail polishing position, and the motor of bistrique driven unit to be launched drives bistrique to rotate by belt pulley and polishes to the flange of rail.
Step 5, start the bistrique driven unit of five cover workpiece polishing mechanisms, bistrique High Rotation Speed, carries out creep feed grinding to rail relevant position simultaneously, realizes the polishing of disposable machine uniformly tunneling boring;
Step 6, after having polished, the lower slide unit feed mechanism of five cover workpiece polishing mechanisms and basis returns the front original state of adjustment, drives sander to move to the next scope of operation, repeat step 1-5, enter next work cycle by tractor.
9. the polishing process of steel rail welding line five bistrique profiling tunneling boring sander as claimed in claim 8, it is characterized in that, during original state adjustment, sander is placed on the section of track of the standard gauge in default initial position rail joint weld grinding district, the perpendicular positioning block of checkout gear Fundamentals of Measurement plate assembly and rail profile distance parameter, foundation slab is driven to be adjusted to horizontal operation state by the vertical lift-up device be arranged on foundation slab, put in place with vertical fixed block action simultaneously fixed adjustment foundation slab assembly by the horizontal positioning device be arranged on foundation slab, after having polished, remove level and the perpendicular positioning of foundation slab assembly and rail simultaneously, vertical lift-up device jacking foundation slab assembly on foundation slab, enter non-construction transfer transition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527266.6A CN105064152A (en) | 2015-08-25 | 2015-08-25 | Profiling full-fracture-surface grinding machine with five grinding heads for steel rail welding seams and grinding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510527266.6A CN105064152A (en) | 2015-08-25 | 2015-08-25 | Profiling full-fracture-surface grinding machine with five grinding heads for steel rail welding seams and grinding method |
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| CN105064152A true CN105064152A (en) | 2015-11-18 |
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| CN201510527266.6A Pending CN105064152A (en) | 2015-08-25 | 2015-08-25 | Profiling full-fracture-surface grinding machine with five grinding heads for steel rail welding seams and grinding method |
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| CN105386375A (en) * | 2015-12-11 | 2016-03-09 | 中国铁路总公司 | Area based steel rail grinding method |
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| CN105386375A (en) * | 2015-12-11 | 2016-03-09 | 中国铁路总公司 | Area based steel rail grinding method |
| CN105386375B (en) * | 2015-12-11 | 2018-07-06 | 中国铁路总公司 | A kind of steel rail grinding method based on area |
| CN106120494A (en) * | 2016-06-28 | 2016-11-16 | 徐香庭 | A kind of motor-car track intelligence polishing all-in-one |
| CN106120492A (en) * | 2016-06-28 | 2016-11-16 | 徐香庭 | A kind of track intelligence based on parallel institution cleans gripper |
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| CN106120493A (en) * | 2016-06-28 | 2016-11-16 | 徐香庭 | A kind of track for a train intelligence polisher |
| CN106120492B (en) * | 2016-06-28 | 2017-11-10 | 胡妹芳 | A kind of track intelligence cleaning machine machinery claw based on parallel institution |
| RU178689U1 (en) * | 2017-07-24 | 2018-04-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Петербургский государственный университет путей сообщения Императора Александра I" | DEVICE FOR GRINDING WELDED JOINS OF RAILS |
| CN109623552A (en) * | 2019-01-30 | 2019-04-16 | 安阳市征诚机械有限责任公司 | Air conditioner air deflector sanding burr production line |
| CN109623552B (en) * | 2019-01-30 | 2023-08-22 | 安阳市征诚机械有限责任公司 | Burr polishing production line for air conditioner air deflector |
| CN113174790A (en) * | 2021-04-26 | 2021-07-27 | 株洲时代电子技术有限公司 | Composite grinding method for steel rail |
| RU2785257C1 (en) * | 2021-11-15 | 2022-12-05 | Андрей Анатольевич Головачев | Method for processing of welded rail joint and rail joint manufactured by this method |
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