CN105178122B - A kind of abrasive belt track grinding apparatus - Google Patents
A kind of abrasive belt track grinding apparatus Download PDFInfo
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- CN105178122B CN105178122B CN201510657586.3A CN201510657586A CN105178122B CN 105178122 B CN105178122 B CN 105178122B CN 201510657586 A CN201510657586 A CN 201510657586A CN 105178122 B CN105178122 B CN 105178122B
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- vehicle frame
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- abrasive band
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- abrasive
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Abstract
The present invention relates to Transit Equipment technical field, and in particular to a kind of abrasive belt track grinding apparatus.A kind of abrasive belt track grinding apparatus that the present invention is provided, including air-path control system, electric control system, hydraulic control system and grinding machine, the vehicle frame front end of grinding machine is provided with haulage gear, the vehicle frame of rectangular configuration is provided with elevating mechanism, both sides are provided with drive mechanism, driving wheel is provided with abrasive band, the tensioning wheel connection of abrasive band and strainer, abrasive band, which is provided with, includes contour wheel, profiling framework and profiling adjust the feeler mechanism of screw, abrasive band is identical with the outer circular shape of contour wheel and the rail level of track, contour wheel makes abrasive band and track assembly in the presence of pressing mechanism, feeler mechanism is connected with backup mechanism, the backup cylinder of backup mechanism drives the motion of backup framework to drive feeler mechanism horizontal movement, contour wheel outer rim is fitted with track inner edge realizes that track inner edge is polished.The present invention is simple in construction, the convenient, grinding efficiency of control is high, good forming effect.
Description
Technical field
The present invention relates to Transit Equipment technical field, and in particular to a kind of abrasive belt track grinding apparatus.
Background technology
In the prior art, with Chinese Railway, the fast development of subway, the mileage of track is increasingly longer, and track was rolled
The problems such as irregularity, rail level spot, track tiny flaw and track undulatory wear in journey, is more and more exposed.Polishing
Machine is that have the extremely short corrugated abrasion of the similar such wavelength of cut and by rail grinding top again exclusively for elimination rail surface
Face is heavy and solves wheel rail impulsive force, and reduces the stronger vibration of train generation of running at high speed, and reduces train in traveling rail level spoke
The noise of injection, so as to improve the comfort level of driving.
Current China sanding apparatus mainly has two kinds, and one kind is small-sized sanding apparatus, and feature is portable construction, but only
Energy single track polishing, it is inefficient, and without dust exhaust apparatus, abrasive dust can not be reclaimed；Another is large-scale grinding machine group, and function is neat
Entirely, operating efficiency is high, but bulky, and price is high.The characteristics of two kinds of devices are common is to use grinding stone polishing orbit, small-sized dress
Put using profiling grinding stone, grinding stone restricted lifetime, and polishing power whard to control, it is also easy to injure track if travelling control is bad；
Large-scale plant uses grinding stone group, good forming effect, but structure and control complexity, and price is high.
The B of Chinese patent CN 102939419 disclose a kind of sander (1) of rail for polishing orbit equipped with tool
There is the support frame (3) of adjustable polishing unit (13), the support frame is pivotably mounted on unit frame (8), single
First frame (8) has the guide roller (17) that can be rolled on rail (2), is designed to be applied to the guide roller (17) of track (15)
It is connected to unit frame (8) so that the roller can be separated with support frame (3), in guide roller (17) and support frame (3)
Between described on the direction perpendicular to middle area's shaft axis (7) separate, be to be filled by being rotatably coupled to the transmission of handwheel (21)
Put (27) realization.By the way of two-orbit and belt sanding rail, not there is complicated and travelling control in the patent
It is bad, easily the problem of injury track.
The content of the invention
In order to overcome defect of the prior art, a kind of abrasive belt track grinding apparatus that the present invention is provided, by using
The mode of two-orbit and belt sanding rail, has reached that control is convenient, grinding efficiency is high, good forming effect purpose.
The present invention is achieved through the following technical solutions：A kind of abrasive belt track grinding apparatus, including mutual cooperation work
Air-path control system, electric control system, hydraulic control system and the grinding machine of work, the grinding machine are connected under operation vehicle frame
Side, the grinding machine includes the guide mechanism for the frame downward and progress rolling movement in orbit for being arranged on rectangular configuration, institute
The front end for stating vehicle frame is provided with the haulage gear for including drawing outer link, draw bar and car body link, the rectangular configuration
Vehicle frame is provided with the elevating mechanism being connected with operation vehicle frame, and the vehicle frame both sides of the rectangular configuration, which are provided with, includes driving wheel and driving
The drive mechanism of motor, the driving wheel is provided with abrasive band, the tensioning wheel connection of the abrasive band and strainer, the abrasive band
Center be provided with and include the feeler mechanism of contour wheel, profiling framework and profiling adjustment screw, the abrasive band and contour wheel
Outer circular shape is identical with the rail level of track, and the contour wheel makes abrasive band and track assembly, institute in the presence of pressing mechanism
State feeler mechanism to be connected with backup mechanism, the backup mechanism includes backup cylinder and backup framework, the backup cylinder drives
Backup framework is moved, and drives feeler mechanism to move horizontally, and contour wheel outer rim is fitted with track inner edge and is realized track inner edge
Polishing, the backup mechanism is connected with pressing mechanism.
Further, the rear end of the vehicle frame is provided with crumb loading structure, and the crumb loading structure includes internal provided with crumb loading blower fan
Filings collecting chamber and collecting cover for wood flour.
Further, the vehicle frame is provided with locking mechanism, and the locking mechanism includes lock cylinder, lockplate and locking
Outer link, the outer link of the locking is fixed on operation vehicle frame, in locking and unblock, by the flexible of lock cylinder,
Realize the release of lockplate or retract.
Further, the pressing mechanism includes pressurized cylinder and pressurization framework, and the pressurized cylinder moves up and down, and drives
Backup mechanism and feeler mechanism lifting, realize that abrasive band is compressed with leaving track, the pressurized cylinder is used provided with pressure-regulating valve door
To control the polishing power pressure value in abrasive band.
Further, the elevating mechanism includes the lifting fluid cylinder on lifting framework, and the lifting framework is connected with vehicle frame,
The lifting fluid cylinder is connected with operation vehicle frame, for lifting the elevating mechanism on grinding machine, the vehicle frame of the rectangular configuration for 4
And be separately positioned on four right angles of vehicle frame of rectangular configuration, the lifting speed of 4 liftings fluid cylinder is by hydraulic control system
The speed valve of fluid path is preset.
Further, lifting fluid cylinder of the grinding machine by elevating mechanism, link, traction outside the locking of locking mechanism
The outer link of the traction of mechanism is connected with operation vehicle frame, and tensioning cylinder is connected on operation vehicle frame.
Further, the abrasive material on the abrasive band is ceramics accumulation abrasive material, and the abrasive band cloth base in the abrasive band uses Y cloth bases,
The heavy emery cloth that the Y cloth base mixes for the heavy matrix of reinforcement with polyester-cotton blend.
Further, the air-path control system and electric control system are arranged in control cabinet.
Further, the hydraulic control system is arranged on vehicle frame.
Compared with prior art, superior effect is：The present invention is simple in construction, the convenient, grinding efficiency of control is high, shaping effect
It is really good.
Brief description of the drawings
Fig. 1 be background technology in the rail for polishing orbit sander structural representation；
Fig. 2 is the three-dimensional structure diagram of abrasive belt track grinding apparatus of the present invention；
Fig. 3 is the front view of abrasive belt track grinding apparatus of the present invention；
Fig. 4 is the top view of abrasive belt track grinding apparatus of the present invention；
Fig. 5 is the strainer three-dimensional structure diagram in abrasive belt track grinding apparatus of the present invention；
Fig. 6 is the feeler mechanism and pressing mechanism front view in abrasive belt track grinding apparatus of the present invention；
Fig. 7 be abrasive belt track grinding apparatus of the present invention in backup mechanism installation site structure front view；
Fig. 8 is the working state schematic representation of abrasive belt track grinding apparatus of the present invention；
Fig. 9 is the air-path control system structure chart in abrasive belt track grinding apparatus of the present invention；
Figure 10 is the hydraulic control system dimensional structure diagram in abrasive belt track grinding apparatus of the present invention；
Figure 11 is the electric control system figure in abrasive belt track grinding apparatus of the present invention.
Reference is as follows：
1- vehicle frames；2- guide mechanisms, 2.1- guiding architectures, 2.2- guide wheels；3- elevating mechanisms, 3.1- lifting fluid cylinders, 3.2
Lift framework；4- haulage gears, 4.1- draws outer link, 4.2- draw bars, 4.3 car body links；5- locking mechanisms, 5.1-
Lock cylinder, 5.2- lockplates, 5.3- lock outer link；6- crumb loadings mechanism, 6.1- filings collecting chambers, 6.2- collecting cover for wood flour, 6.3 crumb loadings
Blower fan；7- strainers, 7.1- tensioning wheels, 7.2- tensioning cylinders, 7.3- tensioning frameworks；8- feeler mechanisms, 8.1 contour wheels, 8.2
Profiling framework, 8.3 profilings adjustment screw；9- abrasive bands, 10- drive mechanisms, 10.1- driving wheels, 10.2- motors；11- pressurizes
Mechanism, 11.1- pressurized cylinders, 11.2- pressurization frameworks；12- backups mechanism, 12.1- backup cylinders, 12.2- backup frameworks；13-
Operation vehicle frame；14- grinding machines；15- tracks；16- air-path control systems, 16.1- gas circuit direction valves, 16.2- airline pressure valves,
16.3- gas path joints；17- hydraulic control systems, 17.1- fluid path annexes, 17.2- direction valves, 17.3- governor valves；18- electric-controlleds
System processed.
Embodiment
The specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figs. 2-11, a kind of abrasive belt track grinding apparatus that the present invention is provided is illustrated, including is cooperated
Air-path control system 16, electric control system 18, hydraulic control system 17 and the grinding machine 14 of work, the grinding machine 14 are connected
In the downside of operation vehicle frame 13, the grinding machine 14 includes being arranged on the bottom of vehicle frame 1 of rectangular configuration with being rolled on track 15
The guide mechanism 2 of dynamic motion, the front end of the vehicle frame 1 is connected provided with the outer link 4.1 of traction, draw bar 4.2 and car body is included
The haulage gear 4 of frame 4.3, the vehicle frame 1 of the rectangular configuration is provided with the elevating mechanism 3 being connected with operation vehicle frame 13, the square
The both sides of vehicle frame 1 of shape structure, which are provided with, includes the drive mechanism 10 of driving wheel 10.1 and motor 10.2, the driving wheel 10.1
Abrasive band 9 is provided with, the abrasive band 9 is connected with the tensioning wheel 7.1 of strainer 7, the center in the abrasive band 9, which is provided with, to be included imitating
Shape wheel 8.1, profiling framework 8.2 and profiling adjust the feeler mechanism 8 of screw 8.3, the abrasive band 9 and the outer ring of contour wheel 8.1
Shape is identical with the rail level of track 15, and the contour wheel 8.1 makes abrasive band 9 be fitted into track 15 in the presence of pressing mechanism 11
Type, the feeler mechanism 8 is connected with backup mechanism 12, and the backup mechanism 12 includes backup cylinder 12.1 and backup framework
12.2, the backup cylinder 12.1 drives backup framework 12.2 to move, and drives the horizontal movement of feeler mechanism 8, makes contour wheel 8.1
Outer rim is fitted with the inner edge of track 15 realizes that the inner edge of track 15 is polished, and the backup mechanism 12 is connected with pressing mechanism 11.Such as Fig. 2-4
Shown, the rear end of the vehicle frame 1 is provided with crumb loading structure 6, and the crumb loading structure 6 includes the internal crumb loading for being provided with crumb loading blower fan 6.3
Case 6.1 and collecting cover for wood flour 6.2.As shown in figure 3, the vehicle frame 1 is provided with locking mechanism 5, the locking mechanism 5 includes lock cylinder
5.1st, lockplate 5.2 and lock outer link 5.3, the outer link 5.3 of the locking is fixed on operation vehicle frame 13, locking with
During unblock, by the flexible of lock cylinder 5.1, realize the release of lockplate 5.2 or retract.
As shown in fig. 6, the pressing mechanism 11 includes pressurized cylinder 11.1 and pressurization framework 11.2, the pressurized cylinder
11.1 move up and down, and drive backup mechanism 12 and feeler mechanism 8 to lift, and realize that abrasive band 9 compresses and leaves track 15, the pressurization
Cylinder 11.1 is provided with pressure-regulating valve door, for controlling the polishing power pressure value in abrasive band 9.
As shown in Figures 2 and 3, the elevating mechanism 3 includes the lifting fluid cylinder 3.1 on lifting framework 3.2, the lifting framework
3.2 are connected with vehicle frame 1, and the lifting fluid cylinder 3.1 is connected with operation vehicle frame 13, for lifting grinding machine 14, the rectangular configuration
Vehicle frame 1 on elevating mechanism 34 and to be separately positioned on 1 four right angles of vehicle frame of rectangular configuration, 4 liftings liquid
The lifting speed of cylinder 3.1 is preset by the speed valve 17.3 of the fluid path of hydraulic control system 17.As shown in figure 8, the grinding machine
14 by the lifting fluid cylinder 3.1 of elevating mechanism 3, outside the locking of locking mechanism 5 link 5.3, connect outside the traction of haulage gear 4
Frame 4.1 is connected with operation vehicle frame 13, and tensioning cylinder 7.2 is connected on operation vehicle frame 13.Abrasive material on the abrasive band 9 is ceramic stack
Product abrasive material, the abrasive band cloth base in the abrasive band 9 uses Y cloth bases, the heavy sand that the Y cloth base mixes for the heavy matrix of reinforcement with polyester-cotton blend
Cloth, the specification in abrasive band 9 preferably is：148 × 1083mm (broadband × girth), Preferred abrasives are：PG730-180#, PG730 are
A kind of coated abrasive tool, the ceramics accumulation abrasive material in abrasive band 9, with good wearability and abrasive material from milling performance, when being ground in abrasive band 9,
Machining uniformity can be kept；Abrasive band cloth base uses Y cloth bases, is polyester-cotton blend mixing, strengthens heavy matrix, Bu Ji is after treatment
Bonded together with ceramics accumulation abrasive material, with strong cutting force and wearability, PG730 be adapted to polishing processing stainless steel, steel alloy,
Titanium alloy and difficult-to-machine metal, can dry and wet be used in combination.As shown in figure 9, the air-path control system 16 and electric control system 18 are set
Put in control cabinet, the hydraulic control system 17 is arranged on vehicle frame 1.
A kind of operation principle for abrasive belt track grinding apparatus that the present invention is provided is as described below：
Grinding machine 14 is connected by lifting fluid cylinder 3.1, locking outer link 5.3, the outer link 4.1 of traction with operation vehicle frame 13
Connect, the backup power of the tensile force of tensioning cylinder 7.2, the lifting reaction force of pressurized cylinder 11.1 and backup cylinder 12.1 is by gas circuit
The airline pressure valve 16.2 of control system 16 is preset, airline pressure valve 16.2 under external force Telescopic-cylinder when all maintain
Setting active force is constant, and the lifting speeds of 4 lifting fluid cylinders 3.1 are preset by the governor valve 17.3 of hydraulic control system 17.
Polishing operation starts, and the gas circuit direction valve 16.1 for controlling air-path control system 16 by electric control system 18 commutates, control locking
The lock cylinder 5.1 of mechanism 5 is shunk, and is driven lockplate 5.2 from extraction in outer link 5.3 is locked, is completed unblock.Electrical control
The direction valve 17.2 of the control hydraulic control system 17 of system 18 is commutated, and control lifting fluid cylinder 3.1 is transferred, until grinding machine 14 falls
On track 15.The control crumb loading of electric control system 18 blower fan 6.3 starts, and then starts motor 10.2, gas circuit is controlled afterwards
Direction valve 16.1 commutates, and under the effect of pressurized cylinder 11.1, air pressure switches to low pressure, in backup mechanism 12 and the weight of feeler mechanism 8
In the presence of power, pressurized cylinder 11.1 stretches out, and feeler mechanism 8 and backup mechanism 12 decline, until contour wheel 8.1 drives abrasive band 9
It is pressed on track 15, then the control backup of gas circuit direction valve 16.1 cylinder 12.1 is stretched out, and profiling is driven by backup framework 12.2
Mechanism 8 is protruded horizontally up, until the outer rim backup abrasive band 9 of contour wheel 8.1 is contacted with track inner edge, realizes contour wheel 8.1 and track 9
Profiling is polished.Grinding machine 14 follows operation vehicle frame 13 to be polished along track 15 and advanced under the traction of haulage gear 4.Polish in abrasive band 9
The abrasive dust of track 15 enters collecting cover for wood flour 6.2 in the presence of polishing power and the suction of crumb loading blower fan 6.3, subsequently into filings collecting chamber 6.1,
Realize that abrasive dust is cleared up.The process that stops operation is opposite with said process.
The present invention is not limited to above-mentioned embodiment, in the case of without departing substantially from the substantive content of the present invention, this area skill
Any deformation that art personnel are contemplated that, improvement, replace and each fall within protection scope of the present invention.
Claims (6)
1. a kind of abrasive belt track grinding apparatus, includes air-path control system (16), the electric control system of mutual cooperation work
(18), hydraulic control system (17) and grinding machine (14), the grinding machine (14) are connected on the downside of operation vehicle frame (13), its feature
It is, the grinding machine (14) includes being arranged on the vehicle frame of rectangular configuration (1) bottom and carries out rolling movement on track (15)
Guide mechanism (2), the front end of the vehicle frame (1) is provided with including the outer link (4.1) of traction, draw bar (4.2) and car body company
The haulage gear (4) of frame (4.3) is connect, the vehicle frame (1) is provided with the elevating mechanism (3) being connected with operation vehicle frame (13), described
Elevating mechanism (3) includes the lifting fluid cylinder (3.1) on lifting framework (3.2), and the lifting framework (3.2) is connected with vehicle frame (1),
The lifting fluid cylinder (3.1) is connected with operation vehicle frame (13), for lifting grinding machine (14), the vehicle frame (1) of the rectangular configuration
On elevating mechanism (3) 4 and to be separately positioned on described (1) four right angle of vehicle frame, 4 lifting fluid cylinders (3.1)
Lifting speed is preset by the fluid path speed valve (17.3) of hydraulic control system (17), and vehicle frame (1) both sides, which are provided with, to be included
The drive mechanism (10) of driving wheel (10.1) and motor (10.2), the driving wheel (10.1) is provided with abrasive band (9), described
Abrasive band (9) is connected with the tensioning wheel (7.1) of strainer (7), and the center of the abrasive band (9), which is provided with, includes contour wheel
(8.1), the feeler mechanism (8) of profiling framework (8.2) and profiling adjustment screw (8.3), the abrasive band (9) and contour wheel (8.1)
Outer circular shape it is identical with the rail level of track (15), the contour wheel (8.1) makes abrasive band (9) in the presence of pressing mechanism (11)
With track (15) assembly, the feeler mechanism (8) is connected with backup mechanism (12), and the backup mechanism (12) includes backup
Cylinder (12.1) and backup framework (12.2), the backup cylinder (12.1) drive backup framework (12.2) to move and drive profiling
Mechanism (8) horizontal movement, makes contour wheel (8.1) outer rim be fitted with track (15) inner edge, realizes that track (15) inner edge is polished, described
Backup mechanism (12) is connected with pressing mechanism (11), and the pressing mechanism (11) includes pressurized cylinder (11.1) and pressurization framework
(11.2), the pressurized cylinder (11.1) moves up and down, and drives backup mechanism (12) and feeler mechanism (8) lifting, realizes abrasive band
(9) compress with leaving track (15), the pressurized cylinder (11.1) is provided with pressure-regulating valve door, for controlling beating for abrasive band (9)
It is ceramics accumulation abrasive material to grind the abrasive material on power pressure value, the abrasive band (9), and the abrasive band cloth base of the abrasive band (9) uses Y cloth
Base, the heavy emery cloth that the Y cloth base mixes for the heavy matrix of reinforcement with polyester-cotton blend.
2. abrasive belt track grinding apparatus according to claim 1, it is characterised in that the rear end of the vehicle frame (1) is provided with collection
Consider structure (6) to be worth doing, the crumb loading structure (6) includes the internal filings collecting chamber (6.1) and collecting cover for wood flour (6.2) for being provided with crumb loading blower fan (6.3).
3. abrasive belt track grinding apparatus according to claim 1, it is characterised in that the vehicle frame (1) is provided with locking machine
Structure (5), the locking mechanism (5) includes lock cylinder (5.1), lockplate (5.2) and locks outer link (5.3), the lock
Fixed outer link (5.3) is fixed on operation vehicle frame (13), in locking and unblock, by the flexible of lock cylinder (5.1), real
The release of existing lockplate (5.2) is retracted.
4. abrasive belt track grinding apparatus according to claim 1, it is characterised in that the grinding machine (14) passes through lift
The outer link of traction of the outer link (5.3) of the locking of the lifting fluid cylinder (3.1), locking mechanism (5) of structure (3), haulage gear (4)
(4.1) it is connected with operation vehicle frame (13), tensioning cylinder (7.2) is connected on operation vehicle frame (13).
5. abrasive belt track grinding apparatus according to claim 1, it is characterised in that the air-path control system (16) and electricity
Gas control system (18) is arranged in control cabinet.
6. abrasive belt track grinding apparatus according to claim 1, it is characterised in that the hydraulic control system (17) is set
On vehicle frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510657586.3A CN105178122B (en) | 2015-10-12 | 2015-10-12 | A kind of abrasive belt track grinding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510657586.3A CN105178122B (en) | 2015-10-12 | 2015-10-12 | A kind of abrasive belt track grinding apparatus |
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| Publication Number | Publication Date |
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| CN105178122A CN105178122A (en) | 2015-12-23 |
| CN105178122B true CN105178122B (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510657586.3A Active CN105178122B (en) | 2015-10-12 | 2015-10-12 | A kind of abrasive belt track grinding apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105568796B (en) * | 2015-12-24 | 2017-03-15 | 济南大学 | A kind of small-sized abrasive belt rail rust removal cleaning plant |
| CN105945686B (en) * | 2016-05-31 | 2018-05-04 | 海门名驰工业设计有限公司 | A kind of railroad track derusting device |
| CN106120494B (en) * | 2016-06-28 | 2017-10-17 | 中铁六局集团有限公司 | A kind of motor-car track intelligence polishing all-in-one |
| CN106120492B (en) * | 2016-06-28 | 2017-11-10 | 胡妹芳 | A kind of track intelligence cleaning machine machinery claw based on parallel institution |
| CN106120493B (en) * | 2016-06-28 | 2017-11-17 | 赵冬领 | A kind of track for a train intelligence sander |
| CN106120635B (en) * | 2016-06-28 | 2017-11-21 | 江苏创迈达智能科技有限公司 | A kind of railroad track intelligence cleaning robot |
| CN106592354A (en) * | 2016-12-28 | 2017-04-26 | 中车北京二七机车有限公司 | Steel rail milling and grinding vehicle |
| CN106522047A (en) * | 2016-12-28 | 2017-03-22 | 中车北京二七机车有限公司 | Steel rail milling and grinding vehicle, and grinding belt pressing device thereof |
| DE202017103078U1 (en) * | 2017-05-22 | 2017-06-21 | Robel Bahnbaumaschinen Gmbh | Manually slidable rail grinder on rails of a track |
| CN108103864B (en) * | 2017-12-06 | 2019-11-22 | 株洲时代电子技术有限公司 | A kind of steel rail grinding motor falls rail control parameter setting method |
| CN108149534B (en) * | 2017-12-06 | 2019-08-09 | 株洲时代电子技术有限公司 | A kind of steel rail grinding motor falls orbit control method |
| CN108330754B (en) * | 2018-01-18 | 2020-08-28 | 江门市莞鹤电机有限公司 | Convenient operation type track equipment of polishing with clean function |
| CN110804911B (en) * | 2019-11-25 | 2021-07-30 | 株洲时代电子技术有限公司 | Steel rail polishing unit |
| CN111005269B (en) * | 2019-12-31 | 2021-07-09 | 江苏瑞文戴尔交通科技有限公司 | Tram rail grinding wagon |
| CN110965412A (en) * | 2019-12-31 | 2020-04-07 | 北京交通大学 | Abrasive belt driving separation type steel rail grinding device |
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| CH529260A (en) * | 1970-08-14 | 1972-10-15 | Speno Internat S A | Method for grinding long wavy waves of railway rails and device for its implementation |
| DK0444242T3 (en) * | 1990-01-26 | 1993-03-01 | Elaugen Gmbh | A rail-grinding machine |
| CN203238507U (en) * | 2013-03-20 | 2013-10-16 | 四川西南交大铁路发展有限公司 | Polishing device of high-speed steel rail polishing train |
| CN103911926A (en) * | 2014-04-22 | 2014-07-09 | 北京二七机车工业有限责任公司 | Steel rail polishing vehicle |
| CN204325831U (en) * | 2014-12-16 | 2015-05-13 | 北京二七机车工业有限责任公司 | Rail of subway grinding machine |
| CN204608531U (en) * | 2014-12-26 | 2015-09-02 | 北京二七轨道交通装备有限责任公司 | Rail grinding machine for grinding rails and rail milling car |
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