CN212560965U - Groove-shaped rail polishing device using curved surface polisher - Google Patents
Groove-shaped rail polishing device using curved surface polisher Download PDFInfo
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- CN212560965U CN212560965U CN202020926107.XU CN202020926107U CN212560965U CN 212560965 U CN212560965 U CN 212560965U CN 202020926107 U CN202020926107 U CN 202020926107U CN 212560965 U CN212560965 U CN 212560965U
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- grinding
- unit
- polishing
- curved surface
- wheel
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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
- 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
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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 utility model provides an utilize cell type rail grinding device of curved surface polisher relates to the track and polishes and maintain technical field, has solved current equipment of polishing and can't effectively polish to the cell type rail, is difficult to reach the technical problem of maintenance purpose. The device comprises a curved surface grinding machine, wherein the curved surface grinding machine utilizes the circumferential surface of a grinding wheel to be in contact with a groove-shaped track profile surface and can carry out forward and reverse bidirectional grinding; the curved surface polisher comprises a first polishing unit, a second polishing unit, a third polishing unit and a fourth polishing unit; the first polishing unit, the second polishing unit, the third polishing unit and the fourth polishing unit are sequentially connected, so that different positions of the groove-shaped profile surface can be polished, and the groove-shaped profile surface can be completely enveloped and polished after combination. The utility model discloses a multiunit is polished the unit combination and is ensured quality and efficiency of polishing, reaches maintenance purpose, has also solved large-scale polisher because of the unable problem of implementing the polishing of size reason.
Description
Technical Field
The utility model belongs to the technical field of the track is polished and is maintained technical field and specifically relates to an utilize cell type rail grinding device of curved surface polisher.
Background
Tramcars are used as extensions of rail transit lines, have become important components of urban rail transit lines due to the advantages of energy conservation, environmental protection, safety, comfort and the like, and are increasingly built and operated in multiple cities at present. The track line of the tramcar is horizontal to the road surface, and a groove-shaped rail is adopted for matching with the tramcar wheels. The state of the groove-shaped rail directly influences the running safety and the comfort level of the tramcar, and the maintenance of the groove-shaped rail is most economical and effective to implement polishing at present.
The small-sized grinding machine and the manual grinding machine have uneven quality, low grinding efficiency and discontinuous grinding sections. The middle-sized grinding machine can not grind the turnout area, the profile surface is prone to being insufficiently ground after grinding, the profile surface has a plurality of continuous small tangent planes, the wave abrasion diseases can not be removed, and the grinding effect is difficult to achieve the maintenance and repair purpose of the grooved rail. The large grinding machine cannot be used for grinding on line due to the fact that the size of the vehicle is too large and is limited by a limit.
The applicant has found that the prior art has at least the following technical problems:
the existing polishing equipment cannot effectively polish the groove-shaped rail and is difficult to achieve the purpose of maintenance and repair.
Disclosure of Invention
An object of the utility model is to provide an utilize cell type rail grinding device of curved surface polisher to the current equipment of polishing that exists among the solution prior art can't effectively polish the cell type rail, is difficult to reach the technical problem of maintenance purpose. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a groove-shaped rail grinding device using a curved surface grinding machine, which comprises a curved surface grinding machine, wherein the curved surface grinding machine uses the circumferential surface of a grinding wheel to be in contact with the groove-shaped rail profile surface and can carry out forward and reverse bidirectional grinding; the curved surface polisher comprises a first polishing unit, a second polishing unit, a third polishing unit and a fourth polishing unit; the first polishing unit, the second polishing unit, the third polishing unit and the fourth polishing unit are sequentially connected, so that different positions of the groove-shaped profile surface can be polished, and the groove-shaped profile surface can be completely enveloped and polished after combination.
Optionally, the first polishing unit, the second polishing unit and the fourth polishing unit are all single polishing heads, and the third polishing unit is a double polishing head.
Optionally, the first, second, and fourth grinding units can be equipped with grinding wheels or paper grinding wheels.
Optionally, the grinding wheel is a 25mm grinding wheel, a 35mm grinding wheel or a 60mm grinding wheel, and the paper grinding wheel is a 50mm paper grinding wheel.
Optionally, the grinding wheel of the first grinding unit is a 25mm grinding wheel, the grinding wheel of the second grinding unit is a 25mm grinding wheel, and the grinding wheel of the fourth grinding unit is a 60mm grinding wheel.
Optionally, the first polishing unit, the second polishing unit and the fourth polishing unit can adjust polishing positions and angles, and a polishing range covers any angle of the cross section of the grooved rail together.
Optionally, the first grinding unit and the fourth grinding unit can also polish the grooved rail through paper grinding wheels.
Optionally, the first grinding unit, the second grinding unit and the fourth grinding unit can also carry out floating grinding, and the paper grinding wheel is used for grinding turnout frog, fork point and frog limiting area.
Optionally, the third grinding unit can be provided with a 25mm grinding wheel, a 35mm grinding wheel or a 60mm grinding wheel for carrying out top surface balance grinding on the groove rail.
Optionally, the grinding speed and the grinding power of the curved surface grinding machine can be adjusted.
Any technical scheme can at least produce the following technical effects:
the utility model discloses grind the crack initiation area before the cell type rail profile surface crackle begins to expand, prevent the production and the development of contact fatigue type ripples mill, eliminate or control profile surface defect, guarantee profile surface state and good appearance. The groove-shaped rail profile surface can be polished into the optimal geometric shape of rail contact through the combination of a plurality of groups of polishing units, so that the polishing quality and efficiency are ensured, the rail relationship is greatly improved, and the generation of wave polishing and other fatigue damages is delayed. Moreover, the utility model discloses a size can set up as required, has solved the size problem of large-scale polisher, polishes through the defect that has produced the profile, eliminates or reduces the defect restoration profile disease of groove rail and switch, has reached the purpose of maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the combination of the polishing units of the present invention;
FIG. 2 is a schematic view of the polishing status of each polishing unit of the present invention;
fig. 3 is a schematic view of a polishing position of the first polishing unit of the present invention;
fig. 4 is a schematic view of a polishing position of the second polishing unit according to the present invention;
fig. 5 is a schematic view of a polishing position of a third polishing unit according to the present invention;
fig. 6 is a schematic view of a polishing position of a fourth polishing unit according to the present invention;
figure 7 is the utility model discloses at the regional lift jump schematic diagram of switch polishing.
FIG. 1, a first polishing unit; 2. a second polishing unit; 3. a third polishing unit; 4. and a fourth grinding unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides an utilize cell type rail grinding device of curved surface polisher, as shown in fig. 1-2, including the curved surface polisher, the periphery and the contact of cell type rail profile surface of curved surface polisher utilization emery wheel to can carry out forward and reverse two-way polishing, improve the utility model discloses an adaptability. The curved surface grinder includes a first grinding unit 1, a second grinding unit 2, a third grinding unit 3, and a fourth grinding unit 4. The first polishing unit 1, the second polishing unit 2, the third polishing unit 3 and the fourth polishing unit 4 are sequentially connected, and the first polishing unit 1, the second polishing unit 2, the third polishing unit 3 and the fourth polishing unit 4 are sequentially arranged from left to right in the drawing. Each unit of polishing carries out structural connection through the pull rod among the prior art, connects through electrical equipment and communication line, realizes each unit of polishing between communication and the control. Can polish to the different positions of cell type rail profile face, can carry out complete envelope to cell type rail profile face after the combination and polish to realized the utility model discloses implement the all standing to polish to cell type rail and switch. The utility model discloses grind the crack initiation area before the cell type rail profile surface crackle begins to expand, prevent the production and the development of contact fatigue type ripples mill, eliminate or control profile surface defect, guarantee profile surface state and good appearance. The groove-shaped rail profile surface can be polished into the optimal geometric shape of rail contact through the combination of a plurality of groups of polishing units, so that the polishing quality and efficiency are ensured, the rail relationship is greatly improved, and the generation of wave polishing and other fatigue damages is delayed. Moreover, the utility model discloses a size can set up as required, has solved the size problem of large-scale polisher, polishes through the defect that has produced the profile, eliminates or reduces the defect restoration profile disease of groove rail and switch, has reached the purpose of maintenance.
As an alternative embodiment, as shown in fig. 2, the first polishing unit 1, the second polishing unit 2, and the fourth polishing unit 4 are all single polishing heads, and the single polishing heads facilitate flexible adjustment of polishing positions and angles; the third polishing unit 3 is a double polishing head, and the double polishing head is convenient for carrying out balanced polishing on the groove-shaped rail. In the figure, the third polishing unit 1, the second polishing unit 2, the third polishing unit 3 and the fourth polishing unit 4 respectively represent schematic contact positions of the groove-shaped rails. After the combination of the head of polishing of two kinds of insufficient structures, improved the utility model discloses an adaptability has ensured quality and the efficiency of polishing.
As an alternative embodiment, the first grinding unit 1, the second grinding unit 2, the fourth grinding unit 4 can be equipped with grinding wheels or paper grinding wheels. The grinding wheel is a 25mm grinding wheel, a 35mm grinding wheel or a 60mm grinding wheel, and the paper grinding wheel is a 50mm paper grinding wheel. The grinding wheel of the first grinding unit 1 is a 25mm grinding wheel, the grinding wheel of the second grinding unit 2 is a 25mm grinding wheel, the grinding wheel of the third grinding unit 3 is two 35mm grinding wheels, and the grinding wheel of the fourth grinding unit 4 is a 60mm grinding wheel. The first grinding unit 1, the second grinding unit 2, the third grinding unit 3 and the fourth grinding unit 4 are provided with grinding wheels with different sizes, so that the grinding units are matched with the profile surfaces of the groove-shaped rails conveniently. As shown in fig. 3, the first grinding unit 1 selects a 25mm grinding wheel to cover the groove rail outer side R80 area, and this arrangement will increase the grinding amount of the outer side R80 area so that the wheel does not contact this area during running to improve the rail relationship. As shown in fig. 4, the second sharpening unit 2 selects a 25mm grinding wheel to cover the regions of the inner sides R13, R80, and this arrangement will increase the sharpening amount of the regions of the inner sides R13, R80 so that the wheel does not contact this region during operation to improve the wheel-rail relationship. As shown in fig. 5, the third grinding unit 3 selects a 35mm grinding wheel to cover the inner R13, R80 and R300 regions and the outer R300 and R80 regions of the profile surface, and partially overlaps the R300 regions, so as to balance and grind the whole groove profile surface and eliminate the longitudinal rail defects such as the wave wear of the profile surface. The third grinding unit 3 may also select a 25mm grinding wheel and a 60mm grinding wheel. As shown in FIG. 6, the fourth grinding unit selects a grinding wheel with the diameter of 60mm to cover the whole areas of the profile surfaces R80, R300 and R80, so that the defects of the profile surfaces are eliminated or controlled, the state and the good appearance of the profile surfaces are ensured, and the generation of the defects of the profile surfaces is reduced or delayed, and the running smoothness is improved. And when the grinding wheel is reversely ground, the grinding wheels of the first grinding unit 1 and the fourth grinding unit 4 can be exchanged. Through the combination of the first polishing unit 1, the second polishing unit 2, the third polishing unit 3 and the fourth polishing unit 4, the full-coverage polishing of the profile surface of the grooved rail is realized, and the polishing quality is ensured.
As an alternative embodiment, the first grinding unit 1, the second grinding unit 2 and the fourth grinding unit 4 can adjust the grinding position and angle, and together enable the grinding range to cover any angle of the cross section of the grooved rail. The first grinding unit 1, the second grinding unit 2 and the fourth grinding unit 4 are single grinding heads, and the grinding positions and angles can be adjusted by rotating and contracting the grinding heads, so that the groove-shaped rail can be completely covered after the first grinding unit 1, the second grinding unit 2 and the fourth grinding unit 4 are combined, namely, any angle of the cross section of the groove-shaped rail is covered.
As optional embodiment, first unit 1, the fourth unit 4 of polishing can also polish the cell type rail through the paper emery wheel, and first unit 1, the fourth unit 4 of polishing directly polishes after trading the paper emery wheel after polishing and has improved the utility model discloses an applicability need not to reuse other polishing equipment, has also simplified the work flow of polishing to the cell type rail.
As an alternative embodiment, the first grinding unit 1, the second grinding unit 2 and the fourth grinding unit 4 can also carry out floating grinding, and grinding the turnout fork core, the fork point and the turnout limiting area by using a paper grinding wheel. As shown in fig. 7, the first polishing unit 1, the second polishing unit 2, the third polishing unit 3, and the fourth polishing unit 4 are represented by (r), (g. Because the turnout point, the fork point and the frog are limited areas, the second grinding unit 2 is lifted to jump by a grinding wheel at the position where the top surface width of the profile variable cross section, the frog point and the switch rail is less than 20mm, and the first grinding unit 1, the third grinding unit 3 and the fourth grinding unit 4 are lifted to jump by the grinding wheel at the position where the gap between the profile variable cross section and the included angle between the switch rail and the stock rail is less than 10 mm. After finishing polishing other regions of the turnout, replacing the first polishing unit 1 or the fourth polishing unit 4 by a 50mm paper grinding wheel to polish and polish the turnout point core, the fork point and the turnout without damage, thereby finishing the full-coverage polishing of the groove-type rail line and the turnout.
As an optional implementation mode, the grinding speed and the grinding power of the curved surface grinding machine can be adjusted, so that the curved surface grinding machine can be adapted to different groove-shaped rails.
The invention provides a polishing method, which is used for polishing by using a groove-shaped rail polishing device of a curved surface polishing machine, and comprises the following steps: the first grinding unit 1, the second grinding unit 2, the third grinding unit 3 and the fourth grinding unit 4 are sequentially connected; selecting the grinding wheel models of the grinding heads of the first grinding unit 1, the second grinding unit 2, the third grinding unit 3 and the fourth grinding unit 4, installing grinding wheels, adjusting respective grinding positions and angles, and completely enveloping the groove-shaped profile surface together; setting the polishing speed and polishing power of a polishing device; forward polishing is carried out on the groove-shaped rail; the grinding wheels of the first grinding unit 1 and the fourth grinding unit 4 are replaced mutually for reverse grinding; and the grinding wheel of the first grinding unit 1 or the fourth grinding unit 4 is replaced by a 50mm paper grinding wheel, and the turnout frog, the fork point and the frog of the grooved rail are polished and ground.
In an alternative embodiment, in the forward grinding step or the reverse grinding step, in the turnout fork, fork point and frog limit areas of the channel rail, the second grinding unit 2 lifts the grinding wheel to jump at the variable profile section, the fork point and the switch rail where the top surface width is less than 20mm, and the first grinding unit 1, the third grinding unit 3 and the fourth grinding unit 4 lifts the grinding wheel to jump at the variable profile section, the switch rail and the base rail where the included angle gap is less than 10 mm.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A groove-shaped rail grinding device utilizing a curved surface grinding machine is characterized by comprising the curved surface grinding machine, wherein the curved surface grinding machine utilizes the circumferential surface of a grinding wheel to be in contact with a groove-shaped rail profile surface and can carry out forward and reverse bidirectional grinding; the curved surface polisher comprises a first polishing unit, a second polishing unit, a third polishing unit and a fourth polishing unit; the first polishing unit, the second polishing unit, the third polishing unit and the fourth polishing unit are sequentially connected, so that different positions of the groove-shaped profile surface can be polished, and the groove-shaped profile surface can be completely enveloped and polished after combination.
2. The grooved rail grinding apparatus using a curved surface grinding machine as set forth in claim 1, wherein the first grinding unit, the second grinding unit and the fourth grinding unit are single grinding heads, and the third grinding unit is a double grinding head.
3. The grooved rail grinding apparatus using a curved surface grinding machine as claimed in claim 2, wherein the first grinding unit, the second grinding unit, and the fourth grinding unit are capable of mounting a grinding wheel or a paper grinding wheel.
4. A grooved rail grinding apparatus using a curved surface grinding machine as claimed in claim 3, wherein said grinding wheel is a 25mm grinding wheel, a 35mm grinding wheel or a 60mm grinding wheel, and said paper grinding wheel is a 50mm paper grinding wheel.
5. The grooved rail grinding apparatus using a curved surface grinding machine as claimed in claim 4, wherein the grinding wheel of said first grinding unit is a 25mm grinding wheel, the grinding wheel of said second grinding unit is a 25mm grinding wheel, and the grinding wheel of said fourth grinding unit is a 60mm grinding wheel.
6. The grooved rail grinding apparatus using a curved surface grinding machine as claimed in claim 2, wherein the first grinding unit, the second grinding unit, and the fourth grinding unit are each capable of adjusting a grinding position and an angle, and together allow a grinding range to cover an arbitrary angle of a cross section of the grooved rail.
7. The grooved rail grinding apparatus using a curved surface grinder as set forth in claim 2, wherein the first and fourth grinding units are further capable of polishing the grooved rail by paper grinding.
8. The grooved rail grinding apparatus using a curved surface grinding machine as claimed in claim 3, wherein said first grinding unit, said second grinding unit, and said fourth grinding unit are further capable of performing floating grinding, and grinding turnout frog, fork point, and frog restraining area using said paper grinding wheel.
9. The grooved rail grinding apparatus using a curved surface grinding machine as claimed in claim 2, wherein the third grinding unit can mount a 25mm grinding wheel, a 35mm grinding wheel or a 60mm grinding wheel for performing the top surface balance grinding of the grooved rail.
10. The grooved rail grinding apparatus using a curved surface grinder as set forth in claim 1, wherein the grinding speed and the grinding power of the curved surface grinder can be adjusted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020207370778 | 2020-05-07 | ||
| CN202020737077 | 2020-05-07 |
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| Publication Number | Publication Date |
|---|---|
| CN212560965U true CN212560965U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010459520.4A Pending CN111535095A (en) | 2020-05-07 | 2020-05-27 | Groove-shaped rail polishing device and polishing method by utilizing curved surface polisher |
| CN202020926107.XU Active CN212560965U (en) | 2020-05-07 | 2020-05-27 | Groove-shaped rail polishing device using curved surface polisher |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010459520.4A Pending CN111535095A (en) | 2020-05-07 | 2020-05-27 | Groove-shaped rail polishing device and polishing method by utilizing curved surface polisher |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114952515B (en) * | 2022-06-01 | 2023-06-09 | 郑州铁路职业技术学院 | Repairing device for switch machine |
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2020
- 2020-05-27 CN CN202010459520.4A patent/CN111535095A/en active Pending
- 2020-05-27 CN CN202020926107.XU patent/CN212560965U/en active Active
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| CN111535095A (en) | 2020-08-14 |
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