CN109537380B - A profile modeling grinding device for rail maintenance - Google Patents
A profile modeling grinding device for rail maintenance Download PDFInfo
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- CN109537380B CN109537380B CN201811432654.6A CN201811432654A CN109537380B CN 109537380 B CN109537380 B CN 109537380B CN 201811432654 A CN201811432654 A CN 201811432654A CN 109537380 B CN109537380 B CN 109537380B
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- motor
- polishing
- gear
- screw rod
- walking trolley
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/01—Devices for working the railway-superstructure with track
- E01B2203/012—Devices for working the railway-superstructure with track present, i.e. in its normal position
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a profiling grinding device for rail maintenance, which comprises a walking trolley and two groups of grinding mechanisms, wherein the two groups of grinding mechanisms are respectively arranged on two sides of the walking trolley; the polishing mechanism comprises a guide module and a polishing module, wherein the guide module comprises a fixing plate, a gear motor, a swing rod and a sliding pin; the fixed plate is arranged on the walking trolley, a through groove is formed in the fixed plate, an arc-shaped rack meshed with the gear is arranged on the upper edge of the through groove, a gear shaft of the gear is connected with a motor shaft of the gear motor, and the gear motor is connected with the distribution box; the gear and the gear motor are arranged at the upper end of the swing rod, and the lower end of the swing rod is hinged to the walking trolley through a fixing pin. The invention has the beneficial effects that: the invention has high profiling precision, high efficiency, high automation level and simple and convenient manual operation, and realizes the individuation and light weight of the sander.
Description
Technical Field
The invention relates to the technical field of railway track maintenance, in particular to a profiling grinding device for rail maintenance.
Background
The railway is an important traffic facility of the country, is related to the national economic development, and plays an important role in the political field, the economic field, the cultural field and the national defense construction and development of the country. Compared with the transportation modes such as water routes, roads, aviation and the like, the railway transportation has the advantages of high speed, large transportation volume, low cost, strong adaptability and the like.
At present, the railway transportation industry plays a special role in national economy of China, and the transportation of key materials in the development of the national economy is mainly born by railway transportation; in the aspect of passenger transport, railways have become the most popular transportation means due to the advantages of large passenger capacity, convenience, rapidness, low price and the like, and railway safety is concerned by governments and people more and more.
With the development of high speed and heavy load of railways, the steel rail can generate the defects of fatigue crack, fat edge, wave abrasion and the like, and the running stability and safety of railway vehicles are influenced; meanwhile, the defects can accelerate the failure of the steel rail and bring about great economic loss. Therefore, preventive and repair maintenance of rails is a necessary measure to extend the life of rails and to improve comfort, economy and safety. At present, the steel rail repairing modes mainly comprise modes of grinding, planing, milling, manual grinding and the like, wherein the mode of repairing the steel rail by adopting an efficient grinding machine is most commonly applied. The domestic common polishing method is to use various small-sized polishing machines to manually control polishing, and a polishing head is driven by a gasoline internal combustion engine or electric power. The method has low automation degree and extremely low efficiency, and can only be used for track repair work in small scale and small range; in the aspect of a copying technology, the original rail is subjected to contact copying through a mechanical roller and a rail surface (the rail surface is not a standard rail surface but a defective rail surface), and the grinding amount is manually adjusted, so that the grinding surface cannot be standardized, standard and human factors are more.
The domestic advanced polishing method is to polish by adopting a foreign hydraulically-driven polishing locomotive, so that the polishing efficiency is greatly improved. However, this grinding method has certain drawbacks in the technique of profiling the rail surface: the profiling adopts a hydraulic mode, the grinding head is pressed to the track, a certain pressure is kept between the grinding wheel and the track, the grinding force is ensured, but the abrasion homogenization effect on guided waves is weak, namely, cutting is still carried out at a wave trough; the profiling of the rail surface is realized through hydraulic pressure, so that the grinding surface cannot be standardized.
Disclosure of Invention
The invention aims to provide a profiling grinding device for rail maintenance, aiming at overcoming the defects of the prior art, and solving the problems of low automation degree, large profiling error and unsatisfactory grinding precision of the prior grinding technology.
The technical scheme adopted by the invention is as follows: a copying polishing device for rail maintenance comprises a walking trolley and two groups of polishing mechanisms which are respectively arranged on two sides of the walking trolley, wherein a power distribution box is arranged on the walking trolley; the polishing mechanism comprises a guide module and a polishing module, wherein the guide module comprises a fixing plate, a gear motor, a swing rod and a sliding pin; the fixed plate is arranged on the walking trolley, a through groove is formed in the fixed plate, an arc-shaped rack meshed with the gear is arranged on the upper edge of the through groove, a gear shaft of the gear is connected with a motor shaft of the gear motor, and the gear motor is connected with the distribution box; the gear and the gear motor are both arranged at the upper end of the swing rod, and the lower end of the swing rod is hinged on the walking trolley through a fixing pin; a guide groove is formed along the length direction of the oscillating bar, the guide groove is matched with a sliding pin, one end of the sliding pin is arranged in the profiling track, and the sliding pin can slide along the profiling track under the driving of the oscillating bar; the other end of the sliding pin is connected with the polishing module; the profiling track is arranged on the profiling panel, and the profiling panel is parallel to the fixed plate.
According to the scheme, the polishing module comprises a polishing motor base, a polishing motor and a polishing sheet, wherein the polishing motor base is fixedly connected with a sliding pin, the polishing motor is arranged on the polishing motor base, and a motor shaft of the polishing motor is connected with the polishing sheet; the grinding motor is connected with the distribution box.
According to the scheme, the polishing mechanism further comprises a lifting assembly, the lifting assembly comprises a fixed seat, a lead screw motor and a lead screw, the fixed seat is fixed on the walking trolley, the lead screw motor is arranged on the fixed seat, and the lead screw motor is connected with the distribution box; a motor shaft of the screw rod motor is connected with the upper end of a screw rod, the screw rod is matched with a screw rod guide sleeve, and the screw rod guide sleeve is fixedly connected with the supporting plate; the upper end of the fixing plate is connected with the supporting plate.
According to the scheme, the fixed seat is connected with the guide rods through the guide rod fixing devices, and the supporting plate penetrates through the guide rods.
According to the scheme, the walking trolley comprises a trolley body, two groups of driving walking mechanisms arranged on two sides of the front end of the trolley body, and two groups of driven walking mechanisms arranged on the rear end of the trolley body.
According to the scheme, the driving travelling mechanism comprises a travelling motor, a driving bevel gear, a driven bevel gear and a driving wheel; the walking motor is connected with the distribution box, a motor shaft of the walking motor is connected with a wheel shaft of the driving bevel gear through a coupler, the driving bevel gear is meshed with the driven bevel gear, and the wheel shaft of the driven bevel gear penetrates through the center of the driving wheel.
According to the scheme, the driven travelling mechanism comprises driven wheels.
According to the scheme, the vehicle body comprises a bottom plate, a top plate and a support frame for connecting the bottom plate and the top plate; the distribution box is arranged on the bottom plate; the fixing seat is arranged on the top plate.
The invention has the beneficial effects that: the invention has high profiling precision, high efficiency, high automation level and simple and convenient manual operation, and realizes the individuation and light weight of the sander; the profiling grinding mechanism can grind the surface defects of the steel rail according to the standard section of the steel rail; compare with current track profile modeling grinding device, this device is more exquisite, and current track profile modeling grinding device bulk weight is big, intensity of labour is high, with high costs and operating efficiency is low, and this track profile modeling grinding device is with each process height integrated, for miniaturized, the polishing mechanism of portability to can polish the operation fast high-efficiently, accord with the actual demand of polishing.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Figure 2 is a front view of the profile grinding mechanism of this embodiment.
Figure 3 is a rear view of the profile sanding mechanism of this embodiment.
Figure 4 is a side view of the profiling grinding mechanism of this embodiment.
Fig. 5 is a schematic structural diagram of the active traveling mechanism in this embodiment.
In the figure: 1-grinding mechanism, 2-distribution box, 3-driving walking mechanism, 4-driven wheel, 5-fixed pin, 6-guide slot, 7-gear motor, 8-lead screw, 9-lead screw motor, 10-swing rod, 11-sliding pin, 12-profiling track, 13-gear, 14-internal tooth track, 15-grinding disc, 16-grinding motor, 17-lead screw guide sleeve, 18-guide rod fixer, 19-guide rod, 20-driven bevel gear, 21-driving bevel gear, 22-coupler, 23-walking motor, 24-driving wheel, 25-vehicle body, 26-fixed plate, 27-profiling panel, 28-grinding motor seat, 29-fixed seat and 30-supporting plate.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
The complete profiling grinding device for rail maintenance shown in fig. 1 comprises a walking trolley and two groups of grinding mechanisms 1 which are respectively arranged on two sides of the walking trolley, wherein a power distribution box 2 is arranged on the walking trolley, and the power distribution box 2 is connected with the grinding mechanisms 1.
Preferably, as shown in fig. 2 to 4, the polishing mechanism 1 comprises a guide module and a polishing module, wherein the guide module comprises a fixing plate 26, a gear 13, a gear motor 7, a swing rod 10 and a sliding pin 11; the fixed plate 26 is mounted on the walking trolley, a through groove is formed in the fixed plate 26, an arc-shaped rack 14 meshed with the gear 13 is arranged on the upper edge of the through groove, a gear shaft of the gear 13 is connected with a motor shaft of the gear motor 7, and the gear motor 7 is connected with the distribution box 2; the gear 13 and the gear motor 7 are both arranged at the upper end of the swing rod 10, and the lower end of the swing rod 10 is hinged on the walking trolley through a fixed pin 5; a guide groove 6 is formed along the length direction of the swing rod 10, the guide groove 6 is matched with a sliding pin 11, one end of the sliding pin 11 is arranged in the profiling track 12, and the sliding pin can slide along the profiling track 12 under the driving of the swing rod 10; the other end of the sliding pin 11 is connected with the polishing module; the profiling track 12 is arranged on a profiling panel 27, and the profiling panel 27 is arranged in parallel with the fixing plate 26. In the embodiment, the profiling tracks 12 comprise a plurality of groups, the profiling tracks 12 are obtained by amplifying the standard sections of the steel rails at equal intervals, and the track at the center of the polishing sheet 15 conforms to the standard sections of the steel rails; the gear rack transmission set can drive the grinding motor 16 to swing through the swing rod 10 and the sliding pin 11, and grinding of the top surface, the cambered surface and the side surface of the steel rail is achieved.
Preferably, the polishing module comprises a polishing motor base 28, a polishing motor 16 and a polishing sheet 15, wherein the polishing motor base 28 is fixedly connected with the sliding pin 11, the polishing motor 16 is arranged on the polishing motor base 28, and a motor shaft of the polishing motor 16 is connected with the polishing sheet 15; the grinding motor 16 is connected to the electric box 2.
Preferably, the polishing mechanism 1 further comprises a lifting assembly, the lifting assembly comprises a fixed seat 29, a lead screw motor 9 and a lead screw 8, the fixed seat 29 is fixed on the walking trolley, the lead screw motor 9 is arranged on the fixed seat 29, and the lead screw motor 9 is connected with the distribution box 2; a motor shaft of the screw rod motor 9 is connected with the upper end of a screw rod 8, the screw rod 8 is matched with a screw rod guide sleeve 7, and the screw rod guide sleeve 7 is fixedly connected with a support plate 30; the upper end of the fixing plate 26 is connected to a support plate 30. Preferably, the fixing seat 29 is connected with a plurality of guide rods 19 through a guide rod fixer 18, the supporting plate 30 penetrates through the guide rods 19, the supporting plate 30 can drive the screw rod 8 to rotate through the screw rod motor 9 to lift, and the feeding amount of grinding can be adjusted during grinding.
Preferably, the walking trolley comprises a trolley body 25, two groups of driving walking mechanisms 3 arranged on two sides of the front end of the trolley body 25, and two groups of driven walking mechanisms arranged on the rear end of the trolley body 25. Preferably, as shown in fig. 5, the driving walking mechanism comprises a walking motor 23, a driving bevel gear 21, a driven bevel gear 20 and a driving wheel 24, wherein the walking motor 23 is connected with the distribution box 2, a motor shaft of the walking motor 23 is connected with a wheel shaft of the driving bevel gear 21 through a coupling 22, the driving bevel gear 21 is meshed with the driven bevel gear 20, and the wheel shaft of the driven bevel gear 20 passes through the center of the driving wheel 24. The driven travelling mechanism comprises driven wheels 4.
Preferably, the vehicle body comprises a bottom plate, a top plate and a supporting frame for connecting the bottom plate and the top plate; the distribution box 2 is arranged on the bottom plate; the fixed seat 29 is arranged on the top plate.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or equivalent substitutions of some technical features, but any modifications, equivalents, improvements and the like within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (6)
1. A copying polishing device for rail maintenance is characterized by comprising a walking trolley and two groups of polishing mechanisms which are respectively arranged on two sides of the walking trolley, wherein a power distribution box is arranged on the walking trolley; the polishing mechanism comprises a guide module and a polishing module, wherein the guide module comprises a fixing plate, a gear motor, a swing rod and a sliding pin; the fixed plate is arranged on the walking trolley, a through groove is formed in the fixed plate, an arc-shaped rack meshed with the gear is arranged on the upper edge of the through groove, a gear shaft of the gear is connected with a motor shaft of the gear motor, and the gear motor is connected with the distribution box; the gear and the gear motor are both arranged at the upper end of the swing rod, and the lower end of the swing rod is hinged on the walking trolley through a fixing pin; a guide groove is formed along the length direction of the oscillating bar, the guide groove is matched with a sliding pin, one end of the sliding pin is arranged in the profiling track, and the sliding pin can slide along the profiling track under the driving of the oscillating bar; the other end of the sliding pin is connected with the polishing module; the profiling track is arranged on the profiling panel, and the profiling panel is parallel to the fixed plate; the polishing module comprises a polishing motor base, a polishing motor and a polishing sheet, wherein the polishing motor base is fixedly connected with the sliding pin, the polishing motor is arranged on the polishing motor base, and a motor shaft of the polishing motor is connected with the polishing sheet; the polishing motor is connected with the distribution box; the polishing mechanism further comprises a lifting assembly, the lifting assembly comprises a fixed seat, a screw rod motor and a screw rod, the fixed seat is fixed on the walking trolley, the screw rod motor is arranged on the fixed seat, and the screw rod motor is connected with the distribution box; a motor shaft of the screw rod motor is connected with the upper end of a screw rod, the screw rod is matched with a screw rod guide sleeve, and the screw rod guide sleeve is fixedly connected with the supporting plate; the upper end of the fixing plate is connected with the supporting plate.
2. The profile grinding apparatus for rail maintenance as claimed in claim 1, wherein the holder is connected to a plurality of guide rods by guide rod holders, and the support plate passes through the guide rods.
3. The profile grinding apparatus for repairing a railway rail as claimed in claim 1, wherein the running carriage comprises a carriage body, two sets of driving running mechanisms provided on both sides of a front end of the carriage body, and two sets of driven running mechanisms provided on a rear end of the carriage body.
4. The profile grinding apparatus for rail maintenance as in claim 3, wherein the driving traveling mechanism comprises a traveling motor, a driving bevel gear, a driven bevel gear and a driving wheel; the walking motor is connected with the distribution box, a motor shaft of the walking motor is connected with a wheel shaft of the driving bevel gear through a coupler, the driving bevel gear is meshed with the driven bevel gear, and the wheel shaft of the driven bevel gear penetrates through the center of the driving wheel.
5. The profile grinding apparatus for rail maintenance as in claim 3, wherein the driven running gear comprises driven wheels.
6. A profile grinding apparatus for rail maintenance as claimed in claim 3, wherein the carriage body comprises a base plate, a top plate, and a support bracket connecting the two; the distribution box is arranged on the bottom plate; the fixing seat is arranged on the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432654.6A CN109537380B (en) | 2018-11-28 | 2018-11-28 | A profile modeling grinding device for rail maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432654.6A CN109537380B (en) | 2018-11-28 | 2018-11-28 | A profile modeling grinding device for rail maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109537380A CN109537380A (en) | 2019-03-29 |
| CN109537380B true CN109537380B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811432654.6A Active CN109537380B (en) | 2018-11-28 | 2018-11-28 | A profile modeling grinding device for rail maintenance |
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| CN (1) | CN109537380B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106754A (en) * | 2019-05-30 | 2019-08-09 | 唐山昆铁科技有限公司 | The curved surface forming polishing restorative procedure of rail section contouring head |
| CN111002259A (en) * | 2019-10-23 | 2020-04-14 | 武汉理工大学 | Rail nut loosening detection and maintenance device and method based on CCD camera |
| CN110877282A (en) * | 2019-12-25 | 2020-03-13 | 郝松涛 | Automatic copying sanding or polishing equipment for bent pipe |
| CN111101409A (en) * | 2019-12-30 | 2020-05-05 | 山东智沃轨道交通设备有限公司 | Steel rail grinding wheel polisher |
| CN111501443B (en) * | 2020-03-19 | 2022-01-28 | 湖南大学 | Steel rail grinding device |
| CN113756143A (en) * | 2020-06-01 | 2021-12-07 | 重庆理工大学 | Steel rail curved surface polishing unit |
| CN112813746B (en) * | 2021-01-06 | 2024-01-26 | 郑州铁路职业技术学院 | Subway track maintenance equipment |
| CN113400132B (en) * | 2021-06-22 | 2022-06-14 | 佛山市耀鑫钢化玻璃科技有限公司 | Toughened glass profile modeling edging machine |
| CN113529507B (en) * | 2021-07-22 | 2022-09-27 | 孔超 | Fat edge cutting machine for railway insulation joint |
| CN115781177B (en) * | 2022-12-28 | 2023-08-08 | 四川嘉陵江新政航电开发有限公司 | Online repairing device and method for piston rod |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2661698A1 (en) * | 1990-05-03 | 1991-11-08 | Repcorail Sarl | Portable reprofiling grinder using copying of the rail |
| FR2812670B1 (en) * | 2000-08-01 | 2002-10-04 | Turripinoise De Mecanique S A | RAIL PROFILE GRINDER |
| CN201411609Y (en) * | 2009-05-27 | 2010-02-24 | 江苏华金铁路轨道科技有限公司 | Movable-type copying automatic rail grinding machine |
| CN104929002B (en) * | 2015-07-13 | 2017-08-25 | 刘剑 | A kind of high-precision steel rail copying polisher of portable curve controlled |
| CN206858975U (en) * | 2017-06-22 | 2018-01-09 | 北京铁路局保定工务段 | A kind of rail rail exterior feature track refiner |
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2018
- 2018-11-28 CN CN201811432654.6A patent/CN109537380B/en active Active
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