CN210712397U - Equipment for polishing rails through high-speed discharge - Google Patents
Equipment for polishing rails through high-speed discharge Download PDFInfo
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- CN210712397U CN210712397U CN201921310383.7U CN201921310383U CN210712397U CN 210712397 U CN210712397 U CN 210712397U CN 201921310383 U CN201921310383 U CN 201921310383U CN 210712397 U CN210712397 U CN 210712397U
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Abstract
The utility model discloses an equipment for rail high-speed equipment of polishing that discharges belongs to rail restoration technical field, and equipment includes walking work car, installs the discharge power supply on the work car, the centrifugal pump, the switch board to and two sets of discharge device of installing in the work car both sides, discharge device includes profile modeling electrode and flushing device to and the rotatory rotary servo motor of drive profile modeling electrode, the switch board includes the logic control unit of control power supply, centrifugal pump and motor, and the servo control unit of control profile modeling electrode servo motion. The utility model discloses the material is got rid of in the high-speed discharge between technical scheme accessible profile modeling electrode and rail, realizes polishing to the rail, has the efficient of polishing, advantage with low costs and that degree of automation is high. Compared with the traditional mechanical grinding method, the tool has longer service life and lower cost.
Description
Technical Field
The utility model relates to a technical field is restoreed to the rail, especially relates to an equipment that is used for rail high speed to discharge to polish.
Background
The railway technology development of China is rapid, and with the continuous improvement of the transportation capacity and the speed per hour of modern trains, the requirements on the driving safety, the stability and the riding comfort are stricter. The quality of the rail directly contacted with the train wheels directly influences the safety and the stability of the train. The rail is often damaged, such as cracks and abrasion, due to the influence of the power action of the train, the natural environment, the quality of the rail and the like. The rail is maintained and polished, so that the unevenness and defects on the surface of the rail can be eliminated, and the contour of the rail top is restored to the original design requirement, so that the further expansion of the surface defects is reduced, the riding comfort of passengers is improved, the noise of wheel rails is reduced, and the service life of the rail is prolonged.
At present, domestic steel rail grinding equipment is mostly introduced with foreign technologies, and the process from inexistence to complete import to localization is basically completed, but the gap exists between the steel rail grinding equipment and the European and American steel rail grinding technologies. At present, three main types of rail grinding are provided in China: sliding shoe type polishing, wheel type polishing and milling. The three modes are all mechanical hard processing methods, and have the disadvantages of low grinding efficiency, large grinding tool loss and high grinding cost generally.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an equipment and a method for rail high-speed grinding. Different from the traditional mechanical hard grinding, the equipment and the method remove materials through high-temperature and high-pressure plasma generated between the rail and the electrode, the rail is not directly contacted with a tool, and the problems of low grinding efficiency, large tool loss and high cost in the prior art are solved.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides an equipment for rail high-speed equipment of polishing that discharges, deposits case and discharge device, its characterized in that including walking work car, block terminal, discharge power, control box, centrifugal pump, working medium: two sides of the bottom end of the walking working vehicle are arranged on the rail in a driving mode through rollers; the distribution box, the discharge power supply, the control box, the centrifugal pump and the working medium storage box are arranged on the walking working vehicle; the discharging device is connected to one end of the walking working vehicle through a linear positioning platform in a height-adjustable manner, the discharging device comprises two groups of profiling electrodes and a liquid flushing device which are symmetrically arranged, and the two profiling electrodes are connected to the output end of a rotary servo motor through a rotating shaft; the control box comprises a logic control unit for controlling the discharge power supply and the centrifugal pump, and a servo control unit for controlling the linear positioning platform and a rotary servo motor of the discharge device.
Preferably, block terminal, discharge power and control box integrated installation are in a switch board, the switch board sets up on the walking vehicle with one side top that discharge device is relative, and set up operating condition warning light on the switch board, set up the heat dissipation grid in switch board side one side.
Preferably, the centrifugal pump and the working medium storage box are adjacently arranged on the walking working vehicle, and the centrifugal pump, the working medium storage box and the nozzles on the flushing device are communicated through high-pressure pipes.
Preferably, the working medium in the working medium storage box is water-based emulsion, and the conductivity of the water-based emulsion is 1-5 mS/m.
Preferably, the linear positioning platform for adjusting the rail polishing removal depth comprises slide rails, lifting servo motors, lifting transmission assemblies and a platform vertical plate, the two slide rails are symmetrically and vertically arranged at one end of the walking working vehicle, the lifting servo motors are fixedly arranged at the two ends of the walking working vehicle between the slide rails, the lifting transmission assemblies are connected to the platform vertical plate, the platform vertical plate is parallel to the end face of the walking working vehicle, and the platform vertical plate is in transmission connection with the slide rails and the lifting servo motors through the lifting transmission assemblies.
Preferably, the discharge device further comprises two carbon brushes and a rotating shaft supporting seat which are symmetrically arranged, the connecting shaft between the profiling electrode and the rotating shaft is supported and connected on the rotating shaft supporting seat through a bearing, one end of each carbon brush is adjustably connected to the carbon brush seat, and the other end of each carbon brush abuts against the outer peripheral surface of the rotating shaft; the output end of the rotary servo motor is provided with a speed reducer which is fixedly connected to the middle of one side face of the platform vertical plate, and the two carbon brush seats and the two rotating shaft supporting seats are fixedly connected to the platform vertical plate.
Preferably, the walking working vehicle comprises a driving device arranged inside the vehicle body, the driving device is electrically connected with the distribution box, and the driving device drives the rollers to walk along the rail.
The utility model also provides a working method for rail high-speed discharge equipment of polishing according to above-mentioned, the method includes:
the equipment is electrified and driven by the driving device to walk along the rail at the normal speed;
grinding preparation, namely when the rail is detected to be ground in the inspection process, the equipment suspends walking at the grinding position, and a lifting servo motor drives a main platform vertical plate and a discharging device to be adjusted to a heightened degree;
discharging and polishing, switching on a discharging device, discharging and polishing the profiling electrode, simultaneously starting a liquid flushing device, spraying working medium liquid to a nozzle which is opposite to the profiling electrode and the rail, and driving a walking working vehicle to walk by a driving device at a working speed;
stopping polishing and continuing to inspect, stopping polishing when the walking working vehicle exceeds the polishing position of the processing station, stopping flushing by the flushing device, and lifting and resetting the discharging device; the driving device restores to the normal speed to continue walking for inspection.
Preferably, in the discharge grinding process, the control box collects voltage between the rail and the profiling electrode, judges the machining state according to the voltage signal, adjusts the driving speed of the driving device according to the voltage signal, and changes the working speed of the walking working vehicle to match the machining state, so that stable discharge grinding is realized.
Preferably, in the discharge polishing process, the control box adjusts the height of the linear positioning platform in real time according to a voltage signal between the rail and the profiling electrode so as to adapt to a discharge gap required by power generation polishing, and the machining residues are discharged from the gap through the liquid spraying device in time.
Preferably, in the discharge polishing process, the control box detects the loss of the profiling electrode in real time, compensates the loss of the electrode by adjusting the height of the linear positioning platform in real time, and ensures the polishing precision.
Preferably, in the discharge grinding process, the control box detects the shape of the profiling electrode in real time, and when the shape of the electrode is detected to be not meeting the machining requirement, the electrode can be corrected in real time through the electrode correcting wheel arranged on the trolley.
Preferably, the grinding apparatus is used in conjunction with mechanical finishing or finish milling as required when the rail after grinding fails to meet the roughness requirements.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the electrode tool of the grinding equipment is not in direct contact with the rail, and the grinding equipment belongs to soft machining. The grinding machine has the advantages of high grinding efficiency, small tool loss, low cost and low equipment load.
(2) The control unit of the polishing equipment can adjust the travelling speed of the working vehicle according to the machining state, controls the lifting action of the linear positioning platform according to the chip removal state of the machining area, and improves the chip removal state of the flow channel. The whole set of equipment has compact design, and has the characteristics of high automation level, simple and convenient manual operation and less manual intervention.
Drawings
Fig. 1 is a side view of the overall structure of a rail high-speed discharge grinding apparatus according to an embodiment of the present invention;
fig. 2 is an elevation view of the overall structure of a rail high-speed discharge grinding apparatus according to an embodiment of the present invention;
fig. 3 is a partial enlarged view of the discharging device of the rail high-speed discharging grinding device in the embodiment of the present invention.
In the figure: 1. a walking working vehicle; 2. a roller; 3. a distribution box; 4. a discharge power supply; 5. a control box; 6. a centrifugal pump; 7. a working medium storage box; 8. a linear positioning platform; 9. a discharge device; 10. profiling electrodes; 11. a liquid flushing device; 12. a rotating shaft; 13. a carbon brush; 14. rotating the servo motor; 15. a rail.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in 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.
Referring to fig. 1, 2 and 3, a rail high-speed discharge grinding device is shown, which comprises a walking working vehicle 1, rollers 2, a distribution box 3, a discharge power supply 4, a control box 5, a centrifugal pump 6, a working medium storage box 7, a linear positioning platform 8 and a discharge device 9, wherein the discharge device 9 comprises a profiling electrode 10, a flushing device 11, a rotating shaft 12, a carbon brush 13, a rotary servo motor 14 and a rail 15.
As a technical optimization scheme of the utility model, discharge device 9 is the symmetry and arranges, can polish simultaneously about two rails, raises the efficiency.
When the device is used, the working medium is added into the working medium storage box 7. The positive pole of the discharge power source 4 is connected to the rail 15, the negative pole of the discharge power source 4 is connected to the carbon brush 13 of the discharge device, and the electricity is conducted to the profiling electrode 10 through the carbon brush 13.
The control box 5 of the apparatus first adjusts the discharge device 9 to the initial machining height by adjusting the linear positioning stage 8 according to the height of the rail 15 and the grinding amount. After the adjustment is finished, a starting button on the control box 5 is started, and the equipment sequentially starts the discharging power supply 4, the rotary servo motor 14 on the discharging device 9 and the centrifugal pump 6. The centrifugal pump 6 pressurizes the working medium in the working medium storage tank 7, and then flushes the working medium to the area between the rail 15 and the profiling electrode 10 through a high-pressure pipeline and a nozzle of the flushing device 11. The system then starts the drive (not shown) on the travelling work vehicle 1, and when the gap between the rail 15 and the copying electrode 10 is smaller than the discharge gap, a discharge occurs and the material to be ground on the rail 15 is removed. The machining residues are washed away by the high-speed working medium flowing out of the nozzle of the flushing device 11.
Further, the control box 5 collects the voltage between the rail 15 and the profiling electrode 10, judges the machining state by analyzing the voltage signal, and maintains the stability of the machining state by changing the speed of the traveling vehicle 1 by adjusting a driving device (not shown)
The control box 5 can adjust the position of the linear positioning platform 8 and discharge the processing residues in the discharge area in time.
The control box 5 detects the loss of the profiling electrode in real time, compensates the loss of the electrode by adjusting the height of the linear positioning platform in real time, and ensures the polishing precision.
The control box 5 detects the shape of the profiling electrode in real time, and when the shape of the electrode is detected to be not satisfied with the processing requirement, the electrode can be corrected in real time through the electrode correcting wheel arranged on the trolley.
When the rail polished by the polishing equipment can not meet the roughness requirement, the polishing equipment can be combined with mechanical fine grinding or finish milling for use according to the requirement.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. An apparatus for high-speed electric discharge grinding of rails, characterized in that: the device comprises a walking working vehicle (1), a distribution box (3), a discharge power supply (4), a control box (5), a centrifugal pump (6), a working medium storage box (7) and a discharge device (9), wherein two sides of the bottom end of the walking working vehicle (1) are arranged on a rail (15) in a driving mode through rollers (2); the distribution box (3), the discharge power supply (4), the control box (5), the centrifugal pump (6) and the working medium storage box (7) are arranged on the walking working vehicle (1); the discharging device (9) is connected to one end of the walking working vehicle (1) through a linear positioning platform (8) in a height-adjustable manner, the discharging device (9) comprises two groups of profiling electrodes (10) and a liquid flushing device (11) which are symmetrically arranged, and the two profiling electrodes (10) are connected to the output end of a rotary servo motor (14) through a rotating shaft (12); the control box (5) comprises a logic control unit for controlling the discharge power supply (4) and the centrifugal pump (6), and a servo control unit for controlling the linear positioning platform (8) and a rotary servo motor (14) of the discharge device (9).
2. The apparatus of claim 1 for high speed electric discharge grinding of railroad rails, wherein: block terminal (3), discharge power (4) and control box (5) integrated installation are in a switch board, the switch board sets up on walking vehicle (1) with one side top that discharge device (9) are relative, and set up operating condition warning light on the switch board, set up radiator grille in switch board side one side.
3. The apparatus of claim 1 for high speed electric discharge grinding of railroad rails, wherein: the centrifugal pump (6) and the working medium storage box (7) are adjacently arranged on the walking working vehicle (1), and the centrifugal pump (6), the working medium storage box (7) and a nozzle on the flushing device (11) are communicated through a high-pressure pipe.
4. The apparatus of claim 1 for high speed electric discharge grinding of railroad rails, wherein: the working medium in the working medium storage box (7) is water-based emulsion, and the conductivity of the water-based emulsion is 1-5 mS/m.
5. The apparatus of claim 1 for high speed electric discharge grinding of railroad rails, wherein: a linear positioning platform (8) for adjusting the rail and polish and get rid of degree of depth includes slide rail, lift servo motor, lift transmission subassembly and platform riser, two the vertical installation of slide rail symmetry is in the one end of walking work car (1), lift servo motor fixed mounting is two on the terminal surface of walking work car (1) of department between the slide rail, lift transmission subassembly is connected to on the platform riser, the platform riser with the parallel setting of terminal surface of walking work car (1), just the platform riser passes through lift transmission subassembly with slide rail and lift servo motor transmission are connected.
6. Apparatus for high speed electric discharge grinding of railway rails as claimed in claim 5, wherein: the discharge device (9) further comprises two carbon brushes (13) and a rotating shaft supporting seat which are symmetrically arranged, a connecting shaft between the profiling electrode (10) and the rotating shaft (12) is connected to the rotating shaft supporting seat in a supporting mode through a bearing, one end of each carbon brush (13) is connected to the corresponding carbon brush seat in an adjustable mode, and the other end of each carbon brush (13) abuts against the outer peripheral face of the rotating shaft (12); the output end of the rotary servo motor (14) is provided with a speed reducer which is fixedly connected to the middle of one side face of the platform vertical plate, and the two carbon brush seats and the two rotating shaft supporting seats are fixedly connected to the platform vertical plate.
7. The apparatus of claim 1 for high speed electric discharge grinding of railroad rails, wherein: the walking working vehicle (1) comprises a driving device arranged inside a vehicle body, wherein the driving device is electrically connected with the distribution box (3), and the driving device drives the roller (2) to walk along the rail (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921310383.7U CN210712397U (en) | 2019-08-14 | 2019-08-14 | Equipment for polishing rails through high-speed discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921310383.7U CN210712397U (en) | 2019-08-14 | 2019-08-14 | Equipment for polishing rails through high-speed discharge |
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| Publication Number | Publication Date |
|---|---|
| CN210712397U true CN210712397U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921310383.7U Active CN210712397U (en) | 2019-08-14 | 2019-08-14 | Equipment for polishing rails through high-speed discharge |
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| CN (1) | CN210712397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438856A (en) * | 2019-08-14 | 2019-11-12 | 上海两擎机电科技合伙企业(有限合伙) | A kind of device and method for the polishing of rail high rate discharge |
-
2019
- 2019-08-14 CN CN201921310383.7U patent/CN210712397U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438856A (en) * | 2019-08-14 | 2019-11-12 | 上海两擎机电科技合伙企业(有限合伙) | A kind of device and method for the polishing of rail high rate discharge |
| CN110438856B (en) * | 2019-08-14 | 2024-07-16 | 上海两擎机电科技合伙企业(有限合伙) | Equipment and method for high-speed discharge polishing of rail |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221115 Address after: 201611 1st Floor, Building 23, No. 3255, Shengang Road, Songjiang District, Shanghai Patentee after: Shanghai United Engine Power Technology Co.,Ltd. Address before: 201611 1st floor, Building 23, No. 3255, Shengang Road, Songjiang District, Shanghai Patentee before: Shanghai Liangqing Electromechanical Technology Partnership (L.P.) |
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| TR01 | Transfer of patent right |