CN216107856U - Portable steel rail grinding machine - Google Patents
Portable steel rail grinding machine Download PDFInfo
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- CN216107856U CN216107856U CN202122538389.3U CN202122538389U CN216107856U CN 216107856 U CN216107856 U CN 216107856U CN 202122538389 U CN202122538389 U CN 202122538389U CN 216107856 U CN216107856 U CN 216107856U
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Abstract
The utility model provides a portable steel rail grinding machine, which comprises: the bottom of the supporting underframe is provided with a plurality of universal wheels used for walking on the ground and walking wheels used for walking on the steel rail; a handrail fixed on the support chassis; the grinding wheel polishing device comprises a driving motor and a grinding wheel, and the driving motor is in driving connection with the grinding wheel; the transverse feeding device comprises a transverse grinding rack and a plurality of transverse guide wheels, and the transverse grinding rack is transversely and movably arranged on the supporting underframe through the plurality of transverse guide wheels at the bottom of the transverse grinding rack; the lifting feeding device is arranged on the transverse grinding rack, is connected with the grinding wheel grinding device and is used for adjusting the height of the grinding wheel relative to the steel rail; and the angle deflection device is arranged on the transverse grinding rack, is connected with the lifting feeding device and is used for adjusting the angle of the grinding wheel relative to the steel rail.
Description
Technical Field
The utility model belongs to the technical field of railway line engineering, and particularly relates to a portable steel rail grinding machine.
Background
In railway transportation systems, rails are important basic components for ensuring the normal operation of railways. Along with the increasing of train load and speed and the gradual increase of operating time, the frequency of steel rail disease occurrence is higher and higher, and main disease is fatigue fracture, shadow injury, peeling, rail wearing and tearing etc. influence wheel rail contact relation, reduce the travelling comfort of train, can influence driving safety when serious, for this reason when the railway maintenance operation, need in good time polish the rail. The polishing operation to the rail is usually carried out by using a traditional frame type polisher, the labor intensity is high in the using process, the operation is complex, and the operator is very easy to fatigue after long-time processing operation, so that the processing quality and the working efficiency are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a portable rail grinding machine, comprising:
the bottom of the supporting underframe is provided with a plurality of universal wheels used for walking on the ground and walking wheels used for walking on the steel rail;
a handrail fixed on the support chassis;
the grinding wheel polishing device comprises a driving motor and a grinding wheel, and the driving motor is in driving connection with the grinding wheel;
the transverse feeding device comprises a transverse grinding rack and a plurality of transverse guide wheels, and the transverse grinding rack is transversely and movably arranged on the supporting underframe through the plurality of transverse guide wheels at the bottom of the transverse grinding rack;
the lifting feeding device is arranged on the transverse grinding rack, is connected with the grinding wheel grinding device and is used for adjusting the height of the grinding wheel relative to the steel rail;
and the angle deflection device is arranged on the transverse grinding rack, is connected with the lifting feeding device and is used for adjusting the angle of the grinding wheel relative to the steel rail.
Preferably, a transverse screw is fixedly arranged on the supporting underframe, a transmission rack is fixedly arranged on the transverse polishing rack, and a chain transmission mechanism is arranged between the transverse screw and the transmission rack.
Preferably, the chain transmission mechanism comprises a transverse hand wheel, a driving gear, a driven gear and a transmission chain, the transverse hand wheel is fixedly connected with the driving gear, and the driving gear is rotatably arranged on the transmission rack; the driven gear is in threaded connection with the transverse screw, and the transmission chain is wound on the driving gear and the driven gear.
Preferably, the lifting and feeding device comprises a lifting hand wheel and a screw transmission mechanism, the screw transmission mechanism comprises a vertical screw and a nut meshed with the vertical screw, the upper end of the vertical screw is fixedly connected with the lifting hand wheel, the lower end of the vertical screw is rotatably arranged on a screw mounting plate, and the screw mounting plate is rotatably arranged on the transverse polishing rack;
the driving motor is fixedly connected with the nut.
Preferably, two ends of the screw mounting plate are rotatably arranged on the transverse grinding rack through a bearing respectively.
Preferably, the angle deflection device comprises a chain, a deflection hand wheel and a limiting plate, one end of the chain is elastically arranged on the transverse polishing rack through a spring, and the other end of the chain is fixedly connected with the limiting plate; the limiting plate is fixedly connected with the screw mounting plate.
A transmission gear is rotatably arranged on the transverse polishing rack, and the deflection hand wheel is fixedly connected with the transmission gear; the chain is meshed with the transmission gear.
Preferably, the angle deflection device further comprises a pendulum shaft, and the pendulum shaft is fixed on the transverse grinding rack;
the limiting plate is provided with a limiting groove, and the swing shaft penetrates through the limiting groove.
Preferably, the limiting groove is arc-shaped, and the circle center of the limiting groove is on the axis of the two bearings.
Preferably, the grinding wheel grinding machine further comprises a computer and line laser profile measuring sensors electrically connected with the computer, wherein the line laser profile measuring sensors are arranged on the supporting underframe and are positioned on two sides of the grinding wheel.
Preferably, the computer is located on the lateral sharpening frame.
Compared with the prior art, the utility model has the following technical effects:
1. according to the portable steel rail grinding machine provided by the utility model, the travelling wheels at the bottom of the portable steel rail grinding machine can realize travelling on a steel rail, the operation is convenient and fast, one person can easily operate and use the portable steel rail grinding machine, and the grinding operation of reciprocating motion at a grinding position is completed;
2. according to the portable steel rail grinding machine provided by the utility model, the grinding machine can travel on any ground and steel rails through the universal wheels and the traveling wheels at the bottom of the portable steel rail grinding machine, so that the workload of grinding operators for transporting the grinding machine is reduced;
3. according to the portable steel rail grinding machine provided by the utility model, the transverse feeding device, the lifting feeding device and the angle deflection device are matched with each other to adjust the grinding surface position and angle of the grinding wheel, so that the grinding wheel is superposed with the position to be ground of the steel rail, the grinding of the side surface and the tread of the steel rail is completed, and the grinding precision is improved;
4. the wired laser profile measuring sensors are mounted on two sides of the polishing machine, rail surface profile data of the steel rail before and after polishing can be measured in real time respectively, and changes of the profile can be visually presented to polishing personnel through an industrial computer, so that the labor intensity of polishing operation is effectively reduced, and the long-time continuous machining precision of the polishing operation is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. In the drawings:
FIG. 1 is a front view of a portable rail grinding machine in accordance with a preferred embodiment of the present invention;
FIG. 2 is a top view of a portable rail grinding machine according to a preferred embodiment of the present invention;
fig. 3 is a side view of a portable rail grinding machine according to a preferred embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.
Referring to fig. 1 to 3, a portable rail grinding machine includes:
the supporting underframe 3 is used for being connected with a steel rail in the polishing process, and the bottom of the supporting underframe is provided with a plurality of universal wheels 1 used for walking on the ground and walking wheels 2 used for walking on the steel rail;
a handrail 6 fixed to the support chassis 3; when the steel rail needs to be polished, an operator places the polisher on the steel rail integrally, the traveling wheels 2 are attached to the rail surface of the steel rail, and the handrail 6 is held to push the polisher to move forward and can also perform reciprocating polishing on the same polishing position;
the grinding wheel polishing device 9 comprises a driving motor 91 and a grinding wheel 92, wherein the driving motor 91 is in driving connection with the grinding wheel 92;
the transverse feeding device 4 comprises a transverse grinding machine frame 41 and a plurality of transverse guide wheels 42, wherein the transverse grinding machine frame 41 is transversely and movably arranged on the supporting chassis 3 through the plurality of transverse guide wheels 42 at the bottom of the transverse grinding machine frame;
the lifting and feeding device 8 is arranged on the transverse grinding rack 41, is connected with the grinding wheel grinding device 9 and is used for adjusting the height of the grinding wheel 92 relative to the steel rail;
and the angle deflection device 10 is arranged on the transverse grinding rack 41 and connected with the lifting and feeding device 8 and is used for adjusting the angle of the grinding wheel 92 relative to the steel rail.
The utility model does not specifically limit how the transverse grinding rack 41 moves transversely on the supporting underframe 3, and can adopt a manual driving mode, such as directly pushing the transverse grinding rack 41 to walk on the supporting underframe 3, or arranging a transmission mechanism between the transverse grinding rack 41 and the supporting underframe 3; an electric drive may also be used. In this embodiment, a manual driving manner is taken as an example, a transverse screw 20 is fixedly arranged on the supporting chassis 3, a transmission frame 53 is fixedly arranged on the transverse grinding frame 41, and a chain transmission mechanism is arranged between the transverse screw 20 and the transmission frame 53.
The chain transmission mechanism comprises a transverse hand wheel 51, a driving gear, a driven gear and a transmission chain 52, wherein the transverse hand wheel 51 is fixedly connected with the driving gear, and the driving gear is rotatably arranged on the transmission rack 53; the driven gear is connected to the transverse screw 20 by screw threads, and the transmission chain 52 is wound on the driving gear and the driven gear.
In this embodiment, the transverse hand wheel 51 is rotated to drive the transverse grinding frame 41 to move transversely on the support chassis 3, and the lifting and feeding device 8 and the grinding wheel grinding device 9 move transversely on the support chassis 3 along with the transverse grinding frame 41.
The utility model does not limit how the lifting and feeding device 8 drives the grinding wheel polishing device 9 to carry out lifting movement, and can adopt a screw transmission mode or an electric driving mode. In this embodiment, the lifting and feeding device 8 includes a lifting hand wheel 81 and a screw transmission mechanism, the screw transmission mechanism includes a vertical screw 82 and a nut 83 engaged with the vertical screw 82, the upper end of the vertical screw 82 is fixedly connected with the lifting hand wheel 81, the lower end of the vertical screw 82 is rotatably disposed on a screw mounting plate 84, and the screw mounting plate 84 is rotatably disposed on the transverse grinding rack 41;
the driving motor 91 is fixedly connected with the nut 83.
The two ends of the screw mounting plate 84 are rotatably disposed on the transverse grinding frame 41 through a bearing 85, respectively.
In this embodiment, the lifting handwheel 81 is rotated to drive the vertical screw 82 to rotate, the nut 83 makes up-and-down linear motion on the vertical screw 82, the driving motor 91 makes up-and-down motion along with the nut 83, and the grinding wheel 92 makes up-and-down motion along with the driving motor 91.
The angle deflection device 10 belongs to the mature technology in the field, and the utility model is not specifically limited thereto, in this embodiment, the angle deflection device 10 is a profile modeling angle deflection device, and includes a chain 101, a deflection handwheel 102 and a limiting plate 104, one end of the chain 101 is elastically arranged on the transverse grinding rack 41 through a spring 105, and the other end is fixedly connected with the limiting plate 104; the limiting plate 104 is fixedly connected with the screw mounting plate 84.
A transmission gear is rotatably arranged on the transverse grinding rack 41, and the deflection hand wheel 102 is fixedly connected with the transmission gear; the chain 101 engages with the transmission gear.
Further, the angle deflection device 10 further comprises a swing shaft 103, and the swing shaft 103 is fixed on the transverse grinding rack 41;
the limiting plate 104 is provided with a limiting groove 1041, the limiting groove 1041 is arc-shaped, and the circle center of the limiting groove is on the axis of the two bearings 85. The pendulum shaft 103 passes through the limit slot 1041.
In this embodiment, the deflecting handwheel 102 is rotated, the transmission gear rotates, the chain 101 is pulled, the chain 101 pulls the limiting plate 104 to rotate around the bearing 85, and the lifting and feeding device 8 and the grinding wheel polishing device 9 rotate with the limiting plate 104 by a certain angle.
In the present embodiment, the sander has a vertical structure, the grinding wheel polishing device 9 is installed on one side of the horizontal polishing frame 41, and the deflection of the grinding wheel 92 is controlled by the angle deflection device 10, thereby ensuring a larger adjustment space. The grinding machine finishes grinding the side surface and the tread of the steel rail by mutually matching the transverse feeding device 4, the lifting feeding device 8 and the angle deflection device 10 to adjust the position and the angle of the grinding surface of the grinding wheel 92.
The portable steel rail grinding machine further comprises a computer 7 and a line laser profile measuring sensor 30 electrically connected with the computer 7, wherein the line laser profile measuring sensor 30 is arranged on the supporting chassis 3 and positioned at two sides of the grinding wheel 92.
The setting position of the computer 7 is not limited, and the setting position can be set according to the actual use requirement. In this embodiment, the computer 7 is provided on the lateral sharpening frame 41.
In the present embodiment, the line laser profile measuring sensor 30 measures the rail profile data before and after grinding, respectively, and the industrial computer 7 calculates and displays the profile change, so that the grinding worker can directly perform the grinding work with reference to the displayed profile change.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A portable rail sander, comprising:
the bottom of the supporting underframe is provided with a plurality of universal wheels used for walking on the ground and walking wheels used for walking on the steel rail;
a handrail fixed on the support chassis;
the grinding wheel polishing device comprises a driving motor and a grinding wheel, and the driving motor is in driving connection with the grinding wheel;
the transverse feeding device comprises a transverse grinding rack and a plurality of transverse guide wheels, and the transverse grinding rack is transversely and movably arranged on the supporting underframe through the plurality of transverse guide wheels at the bottom of the transverse grinding rack;
the lifting feeding device is arranged on the transverse grinding rack, is connected with the grinding wheel grinding device and is used for adjusting the height of the grinding wheel relative to the steel rail;
and the angle deflection device is arranged on the transverse grinding rack, is connected with the lifting feeding device and is used for adjusting the angle of the grinding wheel relative to the steel rail.
2. The portable rail sander according to claim 1, wherein a transverse screw is fixedly disposed on the support chassis, a transmission frame is fixedly disposed on the transverse sanding frame, and a chain transmission mechanism is disposed between the transverse screw and the transmission frame.
3. The portable steel rail grinding machine according to claim 2, wherein the chain transmission mechanism comprises a transverse hand wheel, a driving gear, a driven gear and a transmission chain, the transverse hand wheel is fixedly connected with the driving gear, and the driving gear is rotatably arranged on the transmission rack; the driven gear is in threaded connection with the transverse screw, and the transmission chain is wound on the driving gear and the driven gear.
4. The portable steel rail grinding machine according to claim 1, wherein the lifting and feeding device comprises a lifting hand wheel and a screw transmission mechanism, the screw transmission mechanism comprises a vertical screw and a nut meshed with the vertical screw, the upper end of the vertical screw is fixedly connected with the lifting hand wheel, the lower end of the vertical screw is rotatably arranged on a screw mounting plate, and the screw mounting plate is rotatably arranged on the transverse grinding rack;
the driving motor is fixedly connected with the nut.
5. A portable rail grinding machine as claimed in claim 4, wherein the screw mounting plate is rotatably mounted at each end thereof to the traverse grinding frame via a bearing.
6. The portable steel rail grinding machine according to claim 5, wherein the angle deflection device comprises a chain, a deflection hand wheel and a limiting plate, one end of the chain is elastically arranged on the transverse grinding rack through a spring, and the other end of the chain is fixedly connected with the limiting plate; the limiting plate is fixedly connected with the screw mounting plate;
a transmission gear is rotatably arranged on the transverse polishing rack, and the deflection hand wheel is fixedly connected with the transmission gear; the chain is meshed with the transmission gear.
7. The portable rail sander of claim 6, wherein said angular deflection means further comprises a pendulum shaft, said pendulum shaft being fixed to said transverse sander frame;
the limiting plate is provided with a limiting groove, and the swing shaft penetrates through the limiting groove.
8. A portable rail grinding machine as claimed in claim 7, wherein the limiting groove is arc-shaped with its centre on the axis of the bearings.
9. A portable rail grinding machine as claimed in claim 1 further comprising a computer and line laser profilometry sensors electrically connected to said computer, said line laser profilometry sensors being located on said support chassis and on either side of said grinding wheel.
10. A portable rail grinding machine as claimed in claim 9 wherein said computer is located on said transverse grinding carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538389.3U CN216107856U (en) | 2021-10-21 | 2021-10-21 | Portable steel rail grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538389.3U CN216107856U (en) | 2021-10-21 | 2021-10-21 | Portable steel rail grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216107856U true CN216107856U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122538389.3U Active CN216107856U (en) | 2021-10-21 | 2021-10-21 | Portable steel rail grinding machine |
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| Country | Link |
|---|---|
| CN (1) | CN216107856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613405A (en) * | 2022-09-16 | 2023-01-17 | 北京交通大学 | Dual-purpose shaped steel rail welding seam abrasive band equipment of polishing of folded cascade land rail |
-
2021
- 2021-10-21 CN CN202122538389.3U patent/CN216107856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613405A (en) * | 2022-09-16 | 2023-01-17 | 北京交通大学 | Dual-purpose shaped steel rail welding seam abrasive band equipment of polishing of folded cascade land rail |
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