CN105625121A - Railway track profile shape milling and grinding equipment - Google Patents
Railway track profile shape milling and grinding equipment Download PDFInfo
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- CN105625121A CN105625121A CN201410600178.XA CN201410600178A CN105625121A CN 105625121 A CN105625121 A CN 105625121A CN 201410600178 A CN201410600178 A CN 201410600178A CN 105625121 A CN105625121 A CN 105625121A
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Abstract
A railway track profile shape milling and grinding equipment comprises at least two sections of vehicles, wherein the vehicle in the front in an operation direction is a front vehicle; the vehicle in the rear in the operation direction is a rear vehicle; according to a basic operation sequence of the milling and grinding equipment, a milling device (7), a milling functional room (6) and a milling device iron chip collecting air compressor (5) are arranged between a front operation bogie (10) and a rear operation bogie (13), which are at the lower part of an equipment frame (12) of the front vehicle (A), from the front to the rear; an operation driver cab (9), a milling device hydraulic pump station room (8), a milling device iron chip collecting air compressor room (4), a milling device electric room (3), an iron chip collecting spiral conveyor (2), an iron chip compressed air exhaust port (1) and an iron chip left-and-right side discharging belt (15) are arranged at the upper part of the equipment frame of the front vehicle (A) from the front to the rear; an air source system (14) and a coupling traction device (16) are mounted at the rear end part of the frame (12) of the front vehicle (A); a pneumatic air cylinder system (17) is arranged at the front end of the upper part of an equipment frame (21) of the rear vehicle (B) in the operation direction; and the diameter of the milling disc of the milling device (7) is not less than 600 mm.
Description
Technical field
The present invention relates to a kind of railway maintenance machinery, be that the complete machine of a kind of rail railway profile milling trimming device is arranged.
Background technology
Rail on circuit is carried out dynamic milling by rail trimming function in work runs, and eliminates the defects such as the side grinding of rail, ripple mill, rolling layers, crack, stripping, thus recovering the design shape of rail head working portion. Following target can be realized: improve rail service life; Improve rail longitudinal smoothness and cross-sectional outling quality (reduce rail wear, improve wheel/rail contact geometric state, reduce wheel track relative wear); Reduce rail maintenance cost and recycling cost; Reduce and run noise raising road network operation safety and efficiency of operation.
Traditional rail shaping device is presently mainly rail grinding machine. Rail grinding machine repairs in preventative rail shape, process in the lighter rail of disease, circuit in the finishing of siding track shape, special rail profile polishing, there is working performance height, feature flexibly of polishing, but the significant drawback of grinding machine is exactly equipment grows up, price high, maintenance is big, flue dust, dust is produced more during operation, spark splashes many etc., is not suitable in the poor local operation of the environmental conditions such as major long tunnel, subway, light rail; Therefore study in rail maintenance profile repair, can high efficiency, in high precision, the heavier rail shaping device of the processs disease of environmental protection can be stronger with rail grinding machine formation complementation.
Currently known milling shaping device adopts a joint car to arrange two set milling apparatus, a set of mill apparatus, owing to axle heavily limits, milling apparatus milling dish diameter structure used is less (such as, less than 600mm), making its inertia when milling less, cutting gets up vertical component relatively greatly, cutterhead job insecurity, the cutter grain life-span is short, and working performance is low.
Summary of the invention
For solving the problems referred to above, the present invention relates to a kind of railway track profile milling-grinding equipment.
The present invention specifies: X to: rail longitudinally, is namely parallel to the direction that rail advances;
Y-direction: rail laterally, is namely perpendicular to the direction that rail advances;
Z-direction: the direction that longitudinal with rail and rail transverse direction place plane is vertical.
At a high speed: speed is more than 20km/h.
The present invention provides a kind of profile of steel rail milling-grinding equipment, it includes at least two joint vehicle frames, if two joint vehicle frames are called Rear frame and front frame, below this Rear frame, two ends are equipped with high-speed driving bogie, above this Rear frame, rear end is equipped with high-speed cruising drivers' cab, the Rear frame in this operation drivers' cab front arranges scrap collection helical feed storehouse, the Rear frame in this front, scrap collection helical feed storehouse is arranged between at least a set of power unit and storehouse thereof, below described power unit, under Rear frame, brake is set, under the Rear frame at this brake rear, diesel fuel tanks is set, below described front frame, two ends drive bogie equipped with operation, the upper rear end of described front frame arranges between pumping plant, the operation of described front frame rear end drives bogie front equipped with at least a set of mill apparatus, the position above front frame that this mill apparatus is corresponding is equipped with between mill attending device and storehouse, between this mill attending device and storehouse, front arranges electric equipment compartment I, position below the described front frame of this electric equipment compartment I correspondence arranges between milling apparatus scrap collection air compressor machine and storehouse, between this milling apparatus scrap collection air compressor machine and storehouse, front is equipped with between pulverizing collection device and storehouse thereof, the front frame bottom in this pulverizing collection device front is equipped with at least a set of milling apparatus, front end, described front frame top arranges working driver chamber, this working driver chamber rear arranges electric equipment compartment II, described milling apparatus includes support substrate II, this support substrate II is installed in described front frame, equipped with guide rail I on the left of this support substrate II, equipped with guide rail substrate on the left of this guide rail I, equipped with guide rail II on the left of this guide rail substrate, milling apparatus main body is connected on the left of this guide rail II, this milling apparatus main body is equipped with milling dish, this milling dish is connected with drive motor I and is driven operation by this drive motor I, the diameter of described milling dish is not less than 600mm.
Preferably, it is shown that the diameter of milling dish is not more than 1400mm, and described two joint vehicle frames are connected by coupling traction apparatus.
In any of the above-described scheme preferably, described guide rail I is respectively arranged symmetrically with one at described support substrate II upper and lower side.
In any of the above-described scheme preferably, described guide rail I moves along Y-direction, and described guide rail II moves along Z-direction, thus realizing Y-direction, Z-direction displacement during milling apparatus shaping profile of steel rail.
In any of the above-described scheme preferably, described mill apparatus includes support substrate I, this support substrate I is contained in below described front frame, two guide rails III passing through to be arranged on upper and lower two ends on the right side of described support substrate I connect substrate, equipped with guide rail IV on the right side of this substrate, this guide rail IV moves along Z-direction, described guide rail III moves along Y-direction, mill apparatus main body it is also connected with on the right side of described substrate, this mill apparatus main body includes mill, this mill is connected with drive motor II, and this drive motor II provides operation driving force for described mill, thus realizing the dynamic polishing to rail.
In any of the above-described scheme preferably, described operation drives two wheels of bogie to being all connected with axle gear box and motor.
In any of the above-described scheme preferably, described axle gear box is connected to bogie frame by suspension arrangement, described suspension arrangement includes toggle, this toggle connects axle gear box, this axle gear box is contained in wheel on axletree, the end of described toggle is connected with bogie frame, and described torsion arm ends passes under retractor device and is connected to described bogie frame.
In any of the above-described scheme preferably, it is connected by arm-tie between the end of described toggle and bogie frame.
It is further preferred that equipped with vibroshock between the main beam of described arm-tie and described bogie frame in any of the above-described scheme.
In any of the above-described scheme it is further preferred that in the middle part of the main beam of described bogie frame, bottom includes the bearing of at least one protrusion, and this bearing connects the position below described torsion arm ends.
It is further preferred that described torsion arm ends passes under retractor device is connected with the bearing of the main beam bottom of described bogie frame in any of the above-described scheme.
In any of the above-described scheme preferably; described retractor device includes telescoping mechanism; the fixing end of this telescoping mechanism is connected to the bearing of bogie frame main beam bottom; the telescopic end of this telescoping mechanism is connected to toggle pin joint place; and and described toggle between equipped with travel switch mounting seat; equipped with travel switch on the trip switch installation seat, the effect of the trip switch is to control the stroke of telescoping mechanism and to its position limitation protection.
In any of the above-described scheme more preferably, at least two hitch point is included between described axle gear box and described toggle, one hitch point includes arm-tie, vibroshock, this hitch point constitutes the elasticity between axle gear box and bogie frame by the effect of vibroshock and connects hitch point, all the other hitch points include telescoping mechanism and travel switch, and this hitch point is by the hitch point that is rigidly connected acting on composition axle gear box and bogie frame of travel switch.
In any of the above-described scheme more preferably, two pin joints are included between described axle gear box and described toggle, the two pin joint is positioned at the both sides of axle gear box internal gear central lateral plane, two pin joints are triangle with gear centre, described axle gear box and described toggle move around the pin joint of toggle with bogie frame, described triangular structure makes Stability Analysis of Structures between described axle gear box and described toggle, described axle gear box and described toggle are when the pin joint of toggle with bogie frame moves, relative motion will not be produced between axle gear box and toggle, thus ensureing the transmission efficiency of axle gear box.
The working method of profile of steel rail milling-grinding equipment provided by the present invention is: run to the direction in front frame front during operation, open hydraulic motor, power is transferred to axle gear box by power transmission shaft by hydraulic motor, the direction of power is changed 90 degree by the gear mechanism in axle gear box, and it is transferred to axletree by gear mechanism, axle driven is taken turns rotation, thus driving vehicle forward, working truck is advanced at a high speed to operating location, in traveling process, the arm-tie of the torsion arm ends of the operation bogie axle gear-box of front truck A family car is connected with bogie frame by amortisseur, travel switch cuts out, telescoping mechanism is in quick condition, telescoping mechanism can stretch with the motion of toggle, axle gear box rotates along the pin joint of arm-tie with bogie frame, in traveling process, by amortisseur change in location between axle gear box and bogie sole bar, realize the resilient suspension between axle gear box and framework, and operation gear-box is in neutral position, meet the suspension requirement of front truck A family car working at high speed operating mode, the arm-tie of the torsion arm ends of the typotron axle gear box of rear car B family car is connected (latch-up-free position) by amortisseur with bogie frame, and high-speed gear box is in high speed gear, meets the suspension requirement of rear car B family car working at high speed operating mode. the driving that gear-box is produced by high-speed cruising is avoided to impact excessive and cause that gear-box hangs damage or comes off.
Arrival is behind operation section, during operation, by the telescoping mechanism locking of retractor device on the axle gear box of the operation bogie of front truck A family car, the state of being rigidly connected it is between toggle and bogie sole bar, axle gear box rotates along the pin joint between toggle and telescoping mechanism, and does not have relative motion between axle gear box and bogie frame, the temporary impact produced when cancel job drives, and operation gear-box is in operation gear, it is ensured that rigidity needed for working condition and pull strength; The arm-tie of rear car B family car typotron torsion arm ends is connected (latch-up-free position) by amortisseur with bogie frame, and high-speed gear box is in neutral position, it is ensured that operation process rear car B family car belongs to by coupling device, it is ensured that job execution is normally carried out.
The front operation of front frame drives bogie and rear operation to drive bogie respectively to control oil cylinder and is in operation position, it is in rigidity between walking frame and vehicle frame when ensureing operation, each high-speed gear box of the bogie of Rear frame is in neutral gear position, the front operation of front frame drives the velocity measuring device on bogie to be in operation position, and monitoring traveling speed feeds back to milling, mill control unit in real time; Milling apparatus is positioned on rail by positioner, the dynamic implement milling operation to profile of steel rail, milling apparatus scrap collection air compressor machine below front frame is in operation position simultaneously, the iron filings produced by milling operation are collected to scrap collection helical feed storehouse by " venturi " principle, after operation completes, arrange band by the left side in scrap collection helical feed storehouse or iron filings are got rid of from iron filings storehouse by right side row's band; When the rail level after milling is carried out grinding operation, mill apparatus is dynamically pressed on rail by positioner, realize the profile of steel rail after milling is dynamically polished, the iron filings of polishing and pulverizing are collected to pulverizing case by pulverizing collection device, after operation completes, pulverizing is got rid of, thus realizing the dynamic milling to rail, mill operation from pulverizing case.
When operation is complete, when needing high speed traveling, the bogie of front frame is become again elastic connection by being rigidly connected, operation gear-box and motor are in neutral gear position, each device is in high-speed cruising position, the bogie of Rear frame is in high-speed cruising position, high-speed cruising gear-box and motor are in high-speed cruising position, complete machine high speed traveling is concurrently or separately driven by power unit, when double dynamical output, 100kM/h is reached from line speed, when single-power exports, rescue assurance function can be played, with the speed not higher than 50kM/h, Operation Van withdrawn railway " block skylight ", ensure that job safety is reliable.
More multioperation is all known for those of ordinary skills, repeats no more.
The technical scheme of railway track profile milling-grinding equipment provided by the present invention includes the combination in any of each part mentioned above, and simple change or the combination of each part mentioned above assembly are still protection scope of the present invention.
Railway track profile milling-grinding equipment provided by the present invention adopts the layout type of front frame and the such at least two vehicle frame of Rear frame, front frame being arranged, 1 to n overlaps diameter and is not less than the milling dish of 600mm and 0 to n overlaps the mill that diameter is not less than 800mm, in the Rear frame top each dynamical system of rational deployment and control unit, milling dish diameter is maximum reaches 1400mm, when adopting 1400mm major diameter milling dish, it is made to have bigger inertia and more cutter grain when milling, cut vertical component less, cutterhead work is more stable, the cutter grain life-span is longer, and it is little of 0.0045mm to remain wave amplitude after milling. Milling Speed compares 600mm diameter milling dish, and maximum operation speed is increased to 1.8kM/h, and working performance is higher. and owing to adopting changing knife frame mode flexibly to carry out cutter grain replacing so that working performance improves, operating cost reduces. compared with traditional rail plastic operation mode, this car is highly suitable for that disease is heavier and major long tunnel, subway, light rail etc. need the construction site of environmental protection, have following distinguishing feature:
(1) working performance is high: first pass, rail level milling depth is up to 0.3��1.5mm, and gauge angle milling depth is maximum up to 5mm. Can thoroughly eliminate longitudinal wave mill and various rail level disease.
(2) homework precision is high: rail cross-sectional outling precision is up to �� 0.2mm, and rail longitudinal smoothness precision is up to �� 0.02mm, and rail level smoothness, up to 3��6 ��m, has delayed the appearance of new round longitudinal wave mill and rail level disease.
(3) operation effectiveness is good: all longitudinal waves mill in 400mm wave-length coverage all can thoroughly eliminate; Rail level does not have the defects such as micro-rill, spot, stress concentrated layer, overheated, enameling.
(4) operation restriction is few: operation is not affected by factors such as the electric attachments of track, road junction, guard rail of bridge; Throughout the year all can operation.
(5) reorganize and outfit the time short: the time of reorganizing and outfit needed before and after operation is few, and cutter group is changed quick and convenient, improves the utilization rate in block skylight.
(6) environmental effect is little: milling operation, without water source, does not have Mars and splashes, without fire hazard in operation process; The iron filings of 99% and dust recovery rate, without on-the-spot residue after operation.
Rail on circuit can be carried out dynamic milling and polishing operation by railway track profile milling-grinding equipment of the present invention in work runs, polishing operation process is carried out for general rail abrasion, milling operation process is carried out for degree of depth rail failure, eliminate the defects such as the side grinding of rail, ripple mill, rolling layers, crack, stripping, thus recovering the design shape of rail head working portion. Following target can be realized: improve rail service life; Improve rail longitudinal smoothness and cross-sectional outling quality (reduce rail wear, improve wheel/rail contact geometric state, reduce wheel track relative wear); Reduce rail maintenance cost and recycling cost; Reduce and run noise raising road network operation safety and efficiency of operation.
Railway track profile milling-grinding equipment of the present invention adopts two joint cars, the i.e. layout type of A car+B car, A car is arranged the milling dish that a set of diameter is 1400mm, B car is arranged mill equipment, each dynamical system of rational deployment and control unit, rationally distributed, owing to adopting 1400mm major diameter milling dish so that it has bigger inertia and more cutter grain when milling, cut vertical component less, cutterhead work is more stable, and the cutter grain life-span is longer; And it is little of 0.0045mm to remain wave amplitude after milling; After milling operation, rail profile precision and longitudinal smoothness precision are more excellent; Milling Speed compares 600mm diameter milling dish, and maximum operation speed is increased to 1.8kM/h, and working performance is higher.
Additionally, the structure of operation bogie can ensure under working condition, between gear-box with bogie frame, realize rigid suspended connection, the temporary impact produced when cancel job drives; When ensureing high-speed cruising simultaneously, realize resilient suspension between gear-box with bogie frame and be connected, it is prevented that the driving that gear-box is produced by high-speed cruising is impacted excessive and caused that gear-box hangs damage or comes off, and causes traffic safety accident.
Accompanying drawing explanation
Fig. 1 is the mill apparatus structural representation of a preferred embodiment of the railway track profile milling-grinding equipment according to the present invention.
Fig. 2 is the milling apparatus structural representation of a preferred embodiment of the railway track profile milling-grinding equipment according to the present invention.
Fig. 3 is according to the perspective view of axle gear box suspension arrangement in a preferred embodiment of the railway track profile milling-grinding equipment of the present invention.
Fig. 4 is the embodiment illustrated in fig. 3 sectional view along rail longitudinal direction.
Fig. 5 is the front view of the another preferred embodiment of the railway track profile milling-grinding equipment according to the present invention.
Fig. 6 is the front view of the front truck A of embodiment illustrated in fig. 5.
Fig. 7 is the front view of the rear car B of embodiment illustrated in fig. 5.
Labelling in Fig. 1-Fig. 7 represents respectively:
1, iron filings compressed air air vent 2, scrap collection helical feed storehouse
3, milling apparatus electric equipment compartment 4, between milling apparatus scrap collection air compressor machine
5, milling apparatus scrap collection air compressor machine 6, between milling function
7, milling apparatus 8, between hydraulic power unit
9, working driver chamber 10, front operation bogie 10
11, velocity measuring device 12, A vehicle carriage
13, rear operation bogie 14, air supply system
15, iron filings left and right sides row band 16, A car couple traction apparatus with B car
17, pneumatic reservoir system 18, mill apparatus electric equipment compartment
19, between high speed traveling pumping plant 20, front high speed traveling bogie
21, B vehicle carriage 22, diesel fuel tanks
23, brake unit 24, assisted engine
25, between mill apparatus 26, pulverizing collection device and storehouse
27, rear high speed traveling bogie 28, high-speed cruising drivers' cab
29, between knife rest testing machine is safeguarded, 30 mills are changed and between maintenance
31 assembling power drive system and powerhouse 32 support substrate I
33 guide rail III 34 substrates
35 drive motor II 36 milling dishes
37 drive motor I 38 guide rails II
39 guide rail substrate 40 guide rails I
41 support substrate II 42 mills
43 guide rail IV 2 ' bogie frames
3 ' rubber absorbers 4 ' toggles
5 ' arm-tie 6 ' travel switch mounting seats
7 ' travel switch 8 ' axle gear boxs
11 ' axletrees.
Detailed description of the invention
In order to be more fully understood that the present invention, the preferred embodiment of according to the present invention a kind of railway track profile milling-grinding equipment is described in detail respectively below in conjunction with accompanying drawing.
Embodiment 1.1:A kind of railway track profile milling-grinding equipment, it includes two joint cars, it is defined as front truck according to the car in operating direction front, it is defined as rear car according to the rearward car of operator, elemental operation order according to milling-grinding equipment, before equipment frame 12 bottom of described front truck A between operation bogie 10 and rear operation bogie 13, by arranging between milling apparatus 7, milling function 6 after forward direction, milling apparatus scrap collection air compressor machine 5; Equipment frame top at front truck A, be working driver chamber 9 by the order after forward direction, this working driver chamber 9 holds concurrently between high-speed cruising function, milling apparatus hydraulic power unit 8, between milling apparatus scrap collection air compressor machine 4, milling apparatus electric equipment compartment 3, scrap collection auger conveyor 2, iron filings compressed air air vent 1, iron filings left and right sides row's band 15; Rearward end at the vehicle frame 12 of front truck A equipped with air supply system 14 and couples traction apparatus 16, this coupling traction apparatus 16 by front truck A and rear car B together with hanging over, before equipment frame 21 bottom of rear car B between high speed traveling bogie 20 and rear high speed traveling bogie 27, by being sequentially arranged diesel fuel tanks 22, brake unit 23, assisted engine 24, mill apparatus 25 after forward direction; Equipment frame 21 top at rear car B, along operating direction, the order after forward direction be between mill apparatus electric equipment compartment 18, high speed traveling pumping plant 19, assembling power drive system and powerhouse 31, mill change and safeguard between 30, between pulverizing collection device and storehouse 26, knife rest testing machine safeguard between 29, high-speed cruising drivers' cab 28; Arrange pneumatic reservoir system 17 along operating direction front end on equipment frame 21 top of rear car B, the diameter of the milling dish of milling apparatus 7 is 1400mm.
In the present embodiment, front truck A front operation bogie 10 and rear operation bogie 13 be two-axle bogie, this bogie is equipped with high speed walking gear case, realize car load high speed traveling, front high speed traveling bogie 20 and the rear high speed traveling bogie 27 of rear car B are two-axle bogie and are equipped with operation walking gear case, it is achieved car load operation traveling.
In the present embodiment, front truck A arranges a set of milling apparatus and collection device, rear car B arranges a set of mill apparatus and collection device.
In the present embodiment, equipped with One hydraulic pump station unit on front truck A, it is achieved operation drives traveling, equipped with One hydraulic pump station unit on rear car B, it is achieved high-speed driving traveling.
In the present embodiment, equipped with a set of drivers' cab and operating unit on front truck A, it is achieved Operation control and High-speed Control requirement, equipped with a set of drivers' cab and operating unit on rear car B, it is achieved High-speed Control service requirement.
In the present embodiment, front truck A controls system equipped with a set of milling apparatus, operation traveling controls between system and storehouse, and rear car B controls between system, high speed traveling control system and storehouse equipped with a set of mill apparatus.
As shown in Figure 5, the dynamic milling operation of rail is realized by the combination of milling apparatus 7 and mill apparatus 25, when operation from right to left shown in Fig. 5, drivers' cab 9 anteposition is Operation control position and runs control bit, it is achieved to equipment control and supervision, complete machine operation control and supervision during working condition; Drivers' cab 28 runs control bit for rear end, it is achieved during high-speed working condition, complete machine is run and controls and monitor; When rail level is carried out milling operation, front operation bogie 10, rear operation bogie 13 respectively control oil cylinder and are in operation position, it is in rigidity between walking frame and vehicle frame when ensureing operation, velocity measuring device 11 on front operation bogie 10 is in operation position, and monitoring traveling speed feeds back to milling, mill control unit in real time; Milling apparatus is positioned on rail by positioner, the dynamic implement milling operation to profile of steel rail, milling apparatus scrap collection air compressor machine is in operation position simultaneously, the iron filings produced by milling operation are collected to iron filings storehouse by " venturi " principle, after operation completes, left and right sides row's band 15 can be passed through iron filings are got rid of from iron filings storehouse.
When rail level is carried out grinding operation, front typotron 20, rear typotron 27 respectively control oil cylinder and are in operation position, it is in rigidity between walking frame and vehicle frame when ensureing operation, and high-speed gear box is in neutral position, mill apparatus is dynamically pressed on rail by positioner, it is achieved the profile of steel rail after milling is dynamically polished, and mill apparatus is by collection systematic collection to pulverizing case, after operation completes, pulverizing can be got rid of from pulverizing case 26.
Embodiment 1.2: a kind of railway track profile milling-grinding equipment, with embodiment 1.1, it is different in that: the diameter of described milling dish is 1000mm.
Embodiment 1.3: a kind of railway track profile milling-grinding equipment, with embodiment 1.1, it is different in that: the diameter of described milling dish is 1200mm.
Embodiment 1.4: a kind of railway track profile milling-grinding equipment, with embodiment 1.1, it is different in that: the diameter of described milling dish is 800mm.
Embodiment 1.5: a kind of railway track profile milling-grinding equipment, with embodiment 1.1, it is different in that: the diameter of described milling dish is 700mm.
Embodiment 1.6: a kind of railway track profile milling-grinding equipment, with embodiment 1.1, it is different in that: the diameter of described milling dish is 1100mm.
Embodiment 1.7: a kind of railway track profile milling-grinding equipment, with embodiment 1.1, it is different in that: the diameter of described milling dish is 1300mm.
Embodiment 1.8: a kind of railway track profile milling-grinding equipment, with embodiment 1.1, it is different in that: the diameter of described milling dish is 600mm.
Embodiment 2.1: a kind of railway track profile milling-grinding equipment, with embodiment 1.1, it is different in that: in the present embodiment, as shown in Figure 1-2, milling apparatus 7 includes support substrate II 41, this support substrate II 41 is installed in the equipment frame 12 of described front truck A, equipped with guide rail I 40 on the left of this support substrate II 41, equipped with guide rail substrate 39 on the left of this guide rail 40, equipped with guide rail II 38 on the left of this guide rail substrate 39, milling apparatus main body is connected on the left of this guide rail II 38, this milling apparatus main body is equipped with milling dish 36, this milling dish 36 is connected with drive motor I 37 and is driven operation by this drive motor I 37, the diameter of described milling dish 36 is 1400mm, adopt maximum gauge, realize best Milling Accuracy and effect.
In the present embodiment, the equipment frame 12 of front truck A and the equipment frame 21 of rear car B are connected by coupling traction apparatus.
In the present embodiment, guide rail I 40 is respectively arranged symmetrically with one at support substrate II 41 upper and lower side.
In the present embodiment, guide rail I 40 moves along Y-direction, and guide rail II 38 moves along Z-direction, thus realizing Y-direction, Z-direction displacement during milling apparatus shaping profile of steel rail.
In the present embodiment, mill apparatus 17 includes support substrate I 32, below the equipment frame 12 of this support substrate I 32 device front truck A, by being arranged on two guide rails III 33 connection substrates 34 at upper and lower two ends on the right side of support substrate I 32, equipped with guide rail IV 43 on the right side of this substrate 34, this guide rail IV 43 moves along Z-direction, described guide rail III 33 moves along Y-direction, it is also connected with mill apparatus main body on the right side of described substrate 34, this mill apparatus main body includes mill 42, this mill 42 is connected with drive motor II 35, this drive motor II 35 provides operation driving force for described mill 42, thus realizing the dynamic polishing to rail.
Embodiment 3.1: a kind of railway track profile milling-grinding equipment, with embodiment 1.2, it is different in that: as shown in Figure 3-4 in the present embodiment, two wheels of front high speed traveling bogie 20 are to being all connected with axle gear box 8 ' and motor.
In the present embodiment, axle gear box 8 ' is connected to bogie frame 2 ' by suspension arrangement, described suspension arrangement includes toggle 4 ', this toggle 4 ' connects axle gear box 8 ', this axle gear box 8 ' is contained in wheel on axletree 11 ', the end of toggle 4 ' is connected with bogie frame 2 ', and toggle 4 ' end passes under retractor device and is connected to bogie frame 2 '.
In the present embodiment, it is connected by arm-tie 5 ' between the end of toggle 4 ' and bogie frame 2 '.
In the present embodiment preferably, equipped with vibroshock between described arm-tie 5 ' and the main beam of bogie frame 2 '.
In the present embodiment preferably, in the middle part of the main beam of bogie frame 2 ', bottom includes a bearing protruded, and this bearing connects the position below toggle 4 ' end.
In the present embodiment preferably, toggle 4 ' end passes under retractor device and is connected with the bearing of the main beam bottom of bogie frame 2 '.
In the present embodiment; described retractor device includes telescoping mechanism; the fixing end of this telescoping mechanism is connected to the bearing of the main beam bottom of bogie frame 2 '; the telescopic end of this telescoping mechanism is connected to toggle 4 ' pin joint place; and and toggle 4 ' between equipped with travel switch mounting seat 6 '; equipped with travel switch 7 ' on the trip switch installation seat 6 ', the effect of the trip switch 7 ' is to control the stroke of telescoping mechanism and to its position limitation protection.
In the present embodiment, two hitch points are included between described axle gear box 8 ' and toggle 4 ', one hitch point includes arm-tie 5 ', vibroshock, this hitch point constitutes the elasticity between axle gear box 8 ' and bogie frame 2 ' by the effect of vibroshock and connects hitch point, all the other hitch points include telescoping mechanism and travel switch 7 ', and this hitch point is by the hitch point that is rigidly connected acting on composition axle gear box 8 ' and bogie frame 2 ' of travel switch 7 '.
In the present embodiment, two pin joints are included between described axle gear box 8 ' and toggle 4 ', the two pin joint is positioned at the both sides of axle gear box 8 ' internal gear central lateral plane, two pin joints are triangle with gear centre, described axle gear box 8 ' moves around the pin joint of toggle 4 ' with bogie frame 2 ' with toggle 4 ', described triangular structure makes Stability Analysis of Structures between described axle gear box 8 ' and toggle 4 ', described axle gear box 8 ' and toggle 4 ' are when the pin joint of toggle 4 ' with bogie frame 2 ' moves, relative motion will not be produced between axle gear box 8 ' and toggle 4 ', thus ensureing the transmission efficiency of axle gear box 8 '.
The working method of the railway track profile milling-grinding equipment that above-described embodiment provides is: run to the direction in front frame front during operation, open high speed drive mechanism (or hydraulic pressure or fluid power or fax) the high-speed cruising position, place of rear car B, the direction of power is changed 90 degree by the interior gear mechanism of axle shaft gear-box 8 ', and it is transferred to axletree 11 ' by gear mechanism, axletree 11 ' driven wheel is to rotation, thus driving vehicle forward, working truck is advanced at a high speed to operating location, in traveling process, the arm-tie 5 ' of the toggle 4 ' end of the bogie axle gear-box 8 ' of rear car B is connected with bogie frame 2 ' by rubber absorbers 3 ', realize elasticity to connect, meet the high speed performance of running stability requirement of rear car B, the arm-tie 5 ' of the toggle 4 ' end of the bogie axle gear-box 8 ' of front truck A is connected (travel switch 7 ' closedown by rubber absorbers 3 ' with bogie frame 2 ', telescoping mechanism is in quick condition, telescoping mechanism can stretch with the motion of toggle 4 ', axle gear box 8 ' rotates along the pin joint of arm-tie 5 ' with bogie frame 2 ', in traveling process, by rubber absorbers 3 ' change in location between axle gear box 8 ' and bogie sole bar, realize the resilient suspension between axle gear box 8 ' and framework, meet the suspension requirement of high-speed cruising operating mode, the driving that gear-box is produced by high-speed cruising is avoided to impact excessive and cause that gear-box hangs damage or comes off), namely front truck A bogie is in and elastic connects position and gear-box is in neutral locking bit.
Arrival is behind operation section, during operation, the bogie of rear car B is switched to job position by high speed position, namely high-speed driving structure is in neutral position, do not export power, the bogie of front truck A is switched to working condition by high-speed working condition, namely bogie frame 2 ' and vehicle frame are ensured, framework and axletree 11 ', axle gear box 8 ' and torsion arm seat are in (the telescoping mechanism locking by the upper retractor device of axle gear box 8 ' of bogie that is rigidly connected, the state of being rigidly connected it is between toggle 4 ' and bogie sole bar, axle gear box 8 ' rotates along the pin joint between toggle 4 ' and telescoping mechanism, and between axle gear box 8 ' and bogie frame 2 ', do not have relative motion, the temporary impact produced when cancel job drives, thus ensureing operation rigidity).
The front operation bogie 10 of the equipment frame 12 of front truck A and rear operation bogie 13 respectively control oil cylinder and are in operation position, it is in rigidity between walking frame and vehicle frame when ensureing operation, the bogie 20 of the equipment frame 21 of rear car B and each high-speed gear box of bogie 27 are in neutral gear position, velocity measuring device on the front operation bogie 10 of the equipment frame 12 of front truck A is in operation position, and monitoring traveling speed feeds back to milling, mill control unit in real time; Milling apparatus 7 is positioned on rail by positioner, the dynamic implement milling operation to profile of steel rail, milling apparatus scrap collection air compressor machine 5 below the equipment frame 12 of front truck A is in operation position simultaneously, the iron filings produced by milling operation collect to iron filings storehouse 2 by " venturi " principle, after operation completes, arrange band by the left side in scrap collection helical feed storehouse 2 or iron filings are got rid of from iron filings storehouse by right side row's band; When the rail level after milling is carried out grinding operation, mill apparatus 17 is dynamically pressed on rail by positioner, realize the profile of steel rail after milling is dynamically polished, the iron filings of polishing and pulverizing are collected system 15 by pulverizing and are collected to pulverizing case, after operation completes, pulverizing is got rid of, thus realizing the dynamic milling to rail, mill operation from pulverizing case.
When operation is complete, when needing high speed traveling, the bogie 10 of front truck A, 13 are become again elasticity by being rigidly connected connects, operation gear-box and motor are in neutral gear position, each device is in high-speed cruising position, the bogie 20 of Rear frame, 27 are in high-speed cruising position, high-speed cruising gear-box and motor are in high-speed cruising position, complete machine high speed traveling is concurrently or separately driven by power unit, when double dynamical output, 100kM/h is reached from line speed, when single-power exports, rescue assurance function can be played, with the speed not higher than 50kM/h, Operation Van withdrawn railway " block skylight ", ensure that job safety is reliable.
More multioperation is all known for those of ordinary skills, repeats no more.
The technical scheme of the railway track profile milling-grinding equipment that above-described embodiment provides includes the combination in any of each part mentioned above, and simple change or the combination of each part mentioned above assembly are still protection scope of the present invention.
The railway track profile milling-grinding equipment that above-described embodiment provides adopts the layout type of front frame and the such at least two vehicle frame of Rear frame, front frame is arranged a set of 1400mm diameter milling dish, Rear frame is arranged mill equipment, the each dynamical system of rational deployment and control unit, owing to adopting 1400mm major diameter milling dish so that it has bigger inertia and more cutter grain when milling, cut vertical component less, cutterhead work is more stable, and the cutter grain life-span is longer; And it is little of 0.0045mm to remain wave amplitude after milling; After milling operation, rail profile precision and longitudinal smoothness precision are more excellent; Milling Speed compares 600mm diameter milling dish, and maximum operation speed is increased to 1.8kM/h, and working performance is higher.
Additionally, the structure of bogie can ensure under working condition, between gear-box with bogie frame 2 ', realize rigid suspended connection, the temporary impact produced when cancel job drives; When ensureing high-speed cruising simultaneously, realize resilient suspension between gear-box with bogie frame 2 ' and be connected, it is prevented that the driving that gear-box is produced by high-speed cruising is impacted excessive and caused that gear-box hangs damage or comes off, and causes traffic safety accident.
Milling apparatus and scrap collecting system are arranged on A car, and mill apparatus level is collected system and is arranged on B car. Under working condition, provide alternating current for unit such as operation unit, operation hydraulic pressure traveling, air-conditioning, vacuum absorption device, assist control by Diesel Driven main generator; Under high-speed working condition, realizing high-speed hydraulic traction by electromotor, transfer case, pump, motor, high speed walking gear case, main generator provides alternating current for air-conditioning, Auxiliary Control Element simultaneously; A car realizes being rigidly connected by coupling traction apparatus with B car, it is prevented that operation is impacted and apparatus for work is damaged; Large speed ratio arranged by A car, the walking gear case of low backlash realizes operation traveling, B arranges that high speed walking gear case realizes high speed traveling, reasonable disposition drive mechanism, it is achieved best power output.
Claims (10)
1. a railway track profile milling-grinding equipment, it includes at least two joint cars, it is defined as front truck according to the car in operating direction front, it is defined as rear car according to the rearward car of operator, elemental operation order according to milling-grinding equipment, before equipment frame (12) bottom of described front truck (A) between operation bogie (10) and rear operation bogie (13), by arranging (6), milling apparatus scrap collection air compressor machine (5) between milling apparatus (7), milling function after forward direction; Equipment frame top at front truck (A), be working driver chamber (9) by the order after forward direction, this working driver chamber (9) hold concurrently (4), milling apparatus electric equipment compartment (3) between (8) between high-speed cruising function, milling apparatus hydraulic power unit, milling apparatus scrap collection air compressor machine, scrap collection auger conveyor (2), iron filings compressed air air vent (1), iron filings left and right sides row band (15); Vehicle frame 12 at front truck (A)) rearward end equipped with air supply system (14) and coupling traction apparatus (16), it is characterized in that: coupling traction apparatus (16) by front truck (A) and rear car (B) together with hanging over, before equipment frame (21) bottom of rear car (B) between high speed traveling bogie (20) and rear high speed traveling bogie (27), by being sequentially arranged diesel fuel tanks (22), brake unit (23), assisted engine (24), mill apparatus (25) after forward direction; Equipment frame (21) top at rear car (B), along operating direction, by the order after forward direction be between (19), powerhouse (31) between mill apparatus electric equipment compartment (18), high speed traveling pumping plant, mill are changed and are safeguarded between (30), pulverizing collection device and storehouse (26), knife rest testing machine safeguard between (29), high-speed cruising drivers' cab (28); Arrange pneumatic reservoir system (17) along operating direction front end on equipment frame (21) top of rear car (B), the diameter of the milling dish of milling apparatus (7) is not less than 600mm.
2. railway track profile milling-grinding equipment as claimed in claim 1, it is characterised in that: the diameter range of milling dish is 600-1400mm.
3. railway track profile milling-grinding equipment as claimed in claim 2, it is characterized in that: front truck (A) front operation bogie (10) and rear operation bogie (13) be two-axle bogie, being equipped with high speed walking gear case on this bogie, front high speed traveling bogie (20) and rear high speed traveling bogie (27) of rear car (B) are two-axle bogie and are equipped with operation walking gear case.
4. railway track profile milling-grinding equipment as claimed in claim 3, it is characterised in that: front truck (A) is upper arranges a set of milling apparatus and collection device, and rear car (B) is upper arranges a set of mill apparatus and collection device.
5. railway track profile milling-grinding equipment as claimed in claim 4, it is characterized in that: equipped with One hydraulic pump station unit on front truck (A), realize operation and drive traveling, equipped with One hydraulic pump station unit in rear car (B), it is achieved high-speed driving traveling.
6. railway track profile milling-grinding equipment as claimed in claim 5, it is characterized in that: equipped with a set of drivers' cab and operating unit on front truck (A), realize Operation control and High-speed Control requirement, equipped with a set of drivers' cab and operating unit in rear car (B), it is achieved High-speed Control service requirement.
7. railway track profile milling-grinding equipment as claimed in claim 6, it is characterized in that: control system equipped with a set of milling apparatus on front truck (A), operation traveling controls between system and storehouse, and rear car (B) controls between system, high speed traveling control system and storehouse equipped with a set of mill apparatus.
8. railway track profile milling-grinding equipment as claimed in claim 7, it is characterized in that: milling apparatus (7) includes support substrate II (41), this support substrate II (41) is installed in the equipment frame (12) of described front truck (A), this support substrate II (41) left side is equipped with guide rail I (40), this guide rail (40) left side is equipped with guide rail substrate (39), this guide rail substrate (39) left side is equipped with guide rail II (38), this guide rail II (38) left side connects milling apparatus main body, this milling apparatus main body is equipped with milling dish (36), this milling dish (36) is connected with drive motor I (37) and is driven operation by this drive motor I (37), the diameter of described milling dish (36) is 1400mm.
9. railway track profile milling-grinding equipment as claimed in claim 8, it is characterised in that: guide rail I (40) is respectively arranged symmetrically with one at support substrate II (41) upper and lower side.
10. railway track profile milling-grinding equipment as claimed in claim 9, it is characterised in that: guide rail I (40) moves along Y-direction, and guide rail II (38) moves along Z-direction, thus realizing Y-direction, Z-direction displacement during milling apparatus shaping profile of steel rail.
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| CN201410600178.XA CN105625121B (en) | 2014-10-31 | 2014-10-31 | A kind of railway track profile milling-grinding equipment |
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| CN201410600178.XA CN105625121B (en) | 2014-10-31 | 2014-10-31 | A kind of railway track profile milling-grinding equipment |
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| CN105625121B CN105625121B (en) | 2018-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109468898A (en) * | 2018-12-28 | 2019-03-15 | 华夏铁路运营维护有限公司 | Rail maintenance process and device |
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| CN105625121B (en) | 2018-03-27 |
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