CN116021401A - Polishing and cleaning device for flaw detection area of rail bottom of steel rail - Google Patents
Polishing and cleaning device for flaw detection area of rail bottom of steel rail Download PDFInfo
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- CN116021401A CN116021401A CN202310207360.8A CN202310207360A CN116021401A CN 116021401 A CN116021401 A CN 116021401A CN 202310207360 A CN202310207360 A CN 202310207360A CN 116021401 A CN116021401 A CN 116021401A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention relates to the technical field of rail flaw detection, in particular to a polishing and cleaning device for a rail bottom flaw detection area of a rail, which comprises a mounting frame, a polishing head and a polishing head, wherein the mounting frame is matched with a rail and moves along the rail; the adjusting frame comprises a plurality of connecting parts and a plurality of adjusting parts, the adjusting parts are fixedly matched with the connecting parts, and each adjusting part comprises an obliquely arranged adjusting groove and an adjusting seat movably matched with the adjusting groove; the polishing mechanism comprises a driver arranged on the adjusting seat and a polisher in transmission connection with the driver; the control mechanism is used for controlling the start and stop operation of the polishing mechanism; and the power supply is used for supplying power to the control mechanism and the polishing mechanism. According to the invention, through improving the composition structure of the polishing mechanism and adjusting the position of the polishing mechanism through the adjusting frame, the polishing mechanism smoothly reaches the rail bottom polishing surface, the flaw detection area is polished to improve the accuracy of flaw detection results, the interference between the polishing mechanism and external structures such as a rail buckle is avoided, and the damage of the device and the rail structure is reduced.
Description
Technical Field
The invention relates to the technical field of rail flaw detection, mainly relates to polishing and cleaning treatment of a rail bottom flaw detection area, and in particular relates to a polishing and cleaning device of a rail bottom flaw detection area.
Background
In rail transit, the track is an important structure for bearing a traffic tool, and the structural reliability of the track ensures the safety of the rail transit. The track is all need to examine and survey in production and use, detects with the internal structure including external structure to judge whether the track reaches the work standard, when finding that there is the condition that does not reach standard, in time maintain the processing in order to avoid the potential safety hazard.
Currently inspection of rails employs inspection equipment for internal inspection, such as ultrasonic inspection equipment, to discover if the internal structure of the rail needs to be serviced by transmitting and receiving ultrasonic signals toward the rail structure. In practice, impurities affecting ultrasonic flaw detection exist on the surface of the rail, especially on-line running rails, a large amount of oxide layers, paint, dust attachments and the like are generated on the surface of the rails, and holes or gaps formed in the interference objects interfere with ultrasonic detection results, so that accuracy of the rail flaw detection results is reduced. In particular to a flaw detection area at the bottom of a track, the concave part of the arc-shaped surface of the flaw detection area is a high-incidence area for accumulating impurities, and the influence on ultrasonic flaw detection results is the greatest. At present, a scheme of cleaning the track and then carrying out flaw detection is adopted, but generally, the cleaning of a flat surface in the middle of the track can be realized, the cleaning of a bottom flaw detection area is difficult to realize, and the condition of inaccurate flaw detection effect always exists.
Therefore, currently, there is still a need for improvement in flaw detection at the bottom of a track, the cleaning effect on the flaw detection area at the bottom of the track should be improved, the flaw detection accuracy is improved, the running state of the track is accurately judged, potential safety hazards are timely eliminated, and unnecessary cost is avoided. Therefore, a more reasonable technical scheme is required to be provided, and the technical problems in the prior art are solved.
Disclosure of Invention
In order to overcome at least one of the defects mentioned in the description, the invention provides a polishing and cleaning device for a flaw detection area of a rail bottom of a steel rail, and the polishing and cleaning device is provided with a cleaning depth-adjustable steel brush cleaning structure for polishing and cleaning the flaw detection area at the rail bottom of the steel rail, so that oxide layers, dust attachments and the like of the flaw detection area are removed, the follow-up flaw detection operation is facilitated, and the accuracy of the flaw detection operation is improved.
In order to achieve the above object, the polishing and cleaning device disclosed by the invention can adopt the following technical scheme:
rail bottom flaw detection area cleaning device that polishes includes:
the mounting rack is matched with the rail and runs along the rail;
the adjusting frame comprises a plurality of connecting parts and a plurality of adjusting parts, the connecting parts are fixedly connected with the middle part of the mounting frame, the adjusting parts are fixedly matched with the connecting parts, the adjusting parts comprise an obliquely arranged adjusting groove and an adjusting seat movably matched with the adjusting groove, and the adjusting seat slides in the adjusting groove to be close to the flaw detection area of the rail bottom or slides to be far away from the flaw detection area of the rail bottom;
the polishing mechanism comprises a driver arranged on the adjusting seat and a polisher in transmission connection with the driver, wherein the polisher comprises a rotating seat and a polishing disc arranged on the rotating seat, and the polishing disc is used for polishing the surface of the rail bottom flaw detection area;
the control mechanism is arranged on the mounting frame and is electrically connected with the polishing mechanism and used for controlling the start and stop operation of the polishing mechanism;
the power supply is arranged on the mounting frame and is electrically connected with the control mechanism to supply power for the control mechanism and the polishing mechanism.
The polishing and cleaning device disclosed above advances along the steel rail and synchronously polishes the steel rail; the adjusting frame can adjust and move the polishing mechanism to a proper polishing position, and the flaw detection area of the rail bottom of the steel rail can be polished after the polishing mechanism is started. Because the adjusting frame adjusts the polishing mechanism in the inclined direction, the polishing mechanism can reach the rail bottom polishing area and avoid interference with structures such as sleepers, rail buckles and the like of the on-line rail.
Further, in the present invention, the specific structure of the polishing mechanism may take a variety of possible schemes, which are not limited to the specific one, and are optimized and one of the possible options is presented herein: the polishing mechanism also comprises a transmission structure, wherein the transmission structure comprises a driving wheel and a first driven wheel which are arranged on the inner side of the adjusting seat, and the driving wheel is matched with an output rotating shaft of the driver to rotate and drive the first driven wheel to rotate; the transmission structure also comprises a second driven wheel and a third driven wheel which are arranged on the outer side of the adjusting seat, the second driven wheel and the first driven wheel coaxially rotate and drive the third driven wheel to rotate, the third driven wheel is arranged on the output rotating shaft and drives the output rotating shaft to coaxially rotate, and the rotating seat is arranged on the output rotating shaft and coaxially rotates. When adopting such scheme, in the both sides of the regulation seat that transmission structure dispersedly set up, especially with action wheel and first follow driving wheel setting in the inboard of regulation seat, reducible output pivot is to the length of regulation seat outside extension, makes to rotate the seat and polish the dish and press close to the regulation seat more to reduce and rotate the seat and polish the mill and take place the probability of interference with track pillow or track knot, be convenient for improve the reliability of polishing.
Still further, in the present invention, the driving force of the driver is transmitted to the rotating seat to drive the polishing disc, and the transmission manner can adopt various schemes, which are not limited only, and optimization is performed and one of possible choices is provided herein: and a transmission gear pair, a transmission belt or a transmission chain is arranged between the driving wheel and the first driven wheel and between the second driven wheel and the third driven wheel for transmission. When the scheme is adopted, a transmission space for accommodating a transmission structure is formed in the adjusting seat, and the transmission structure can reduce the interference of an external structure and impurities, so that better transmission efficiency and transmission stability are maintained.
Further, in the polishing process, oxide layers, paint, dust attachments and the like of the rail bottom flaw detection area are carried up by the polishing disc and fly in the environment, so as to avoid the influence of small particles on the whole device and personnel, limit the movement range of the particles, optimize and propose one of the possible choices: the polishing disc is provided with a dust cover and a dust baffle. When adopting this scheme, the dust cover makes the particulate matter drift and whereabouts in the space that defines, and dustproof baffle blocks the particulate matter in the direction of travel, still can set up the cleaning brush on dustproof baffle and carry out synchronous cleaning to the rail end flaw detection area of polishing, reduces the adhesion of particulate matter at the face of polishing, further improves the effect of detecting a flaw.
Furthermore, in the invention, the polishing and cleaning device polishes along the steel rail, but the structures such as wrong rails, wiring and the like can appear along the steel rail, when the polishing and cleaning device reaches the structures, interference can occur, and early judgment and early warning should be carried out to avoid damage, so that the device is optimized and the following feasible selection is provided: the power-off protection mechanism is connected with the power supply and the control mechanism and is communicated with an external power supply circuit of the power supply in a normal state; the power-off protection mechanism comprises an external power supply circuit which is used for cutting off the power supply when the detection switch detects that the front of the running is blocked. When the scheme is adopted, the detection switch can adopt, but is not limited to, a swing rod type press-fit switch, and when the swing rod is in contact interference with an external structure and position change occurs, the power supply circuit is disconnected to stop advancing and polishing work.
Further, in the present invention, the mounting frame serves as a load-bearing structure for the entire device, and the structure thereof can be configured in various forms, particularly but not exclusively, optimized and one of the possible options is adopted herein: the mounting frame comprises a bottom frame, the two ends of the bottom frame are provided with vertical frames, the lower part of the bottom frame is connected with a track traveling wheel set which is matched with the track to travel, and a braking device is arranged on the track traveling wheel set and used for limiting the travelling speed of the mounting frame along the track. When the scheme is adopted, the braking device always keeps braking force on the travelling wheels, but keeps the capability of the track travelling wheels; considering the counter force that grinding machanism and track take place to rub and receive, this counter force will drive whole device and advance and the speed is higher, restricts whole device's speed of advancing through arresting gear, can keep the effect of polishing better, improves whole device reliability of advancing simultaneously, avoids the too high danger that appears of speed of advancing.
Still further, in order to facilitate the movement of the whole device, it is provided with additional wheelsets for walking, the way of arrangement is not limited only, here optimized and one of the possible choices is presented: the ground walking wheel set comprises a plurality of wheel frames hinged to the mounting frame, and the bottom of the wheel frames is connected with a wheel body; a deflection adjusting mechanism is arranged between the mounting frame and the wheel frame and is used for expanding or retracting the wheel frame. When the scheme is adopted, the ground walking wheel set can be unfolded to support the whole device to walk, and the external size of the whole device can be reduced when the whole device is retracted, so that external structural interference in the advancing process along the steel rail is avoided. In order to improve the convenience of walking, part of walking wheels adopt universal wheels, so that steering can be performed.
Still further, the position of the polishing mechanism is adjusted and set through the adjusting frame, and the polishing mechanism is adjusted under the polishing state and the non-polishing state so as to realize polishing or avoid interference; during the adjustment, the adjusted state needs to be maintained to improve the reliability, where the optimization is performed and one of the possible choices is presented: the adjusting part also comprises a locking mechanism, and the locking mechanism is matched with the adjusting seat so as to enable the adjusting seat to be locked and fixed or unlocked and slide in the adjusting groove. When the scheme is adopted, the locking mechanism can adopt the schemes of bolt propping locking, bolt locking, clamping locking and the like.
Further, in the present invention, the structure of the adjusting portion can be flexibly set, and is not limited only, but one of possible choices is optimized and exemplified herein: the adjusting part comprises a pair of side plates which are oppositely arranged, and each side plate is provided with a limiting plate and is provided with a notch to form an adjusting groove; the adjusting seat comprises an adjusting rod group matched with the notch, and a sealing plate is arranged between the adjusting rod group. When the scheme is adopted, the side plates are fixed with the connecting parts through structures such as bolts, the limiting plates can be fixed with the side plates in a mode such as bolting and welding, and the limiting plates can be integrally formed with the side plates. Two curb plates that set up relatively are connected with two limiting plates, and the notch of two limiting plates sets up relatively and is used for the cooperation regulating seat to remove.
Furthermore, a large amount of dust particles are generated in the polishing process, so that the environment influence and the personnel health influence are caused, if the dust particles are reattached to the flaw detection surface of the rail bottom, the flaw detection result is influenced, and therefore the dust particles need to be removed, and the invention performs optimization adjustment and proposes the following feasible selection: the cleaning mechanism comprises a negative pressure cleaning bin and a negative pressure suction nozzle, and the negative pressure suction nozzle extends to the polishing mechanism and is used for adsorbing particles generated by polishing. When the scheme is adopted, one negative pressure suction nozzle can be arranged, and a plurality of negative pressure suction nozzles can also be arranged.
Compared with the prior art, the technical scheme disclosed by the invention has the following partial beneficial effects:
according to the invention, through improving the composition structure of the polishing mechanism and adjusting the position of the polishing mechanism through the adjusting frame, the polishing mechanism smoothly reaches the rail bottom polishing surface, the flaw detection area is polished to improve the accuracy of flaw detection results, the interference between the polishing mechanism and external structures such as a rail buckle is avoided, and the damage of the device and the rail structure is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of a sanding cleaning device placed on a rail.
Fig. 2 is a schematic side view of the sanding cleaning device placed on a rail.
Fig. 3 is a schematic elevational view of the sanding cleaning device disposed on a rail.
Fig. 4 is a schematic view of the overall structure of the mounting frame.
Fig. 5 is an enlarged schematic view of a partial structure at a in fig. 4.
Fig. 6 is a schematic side view of the mounting bracket.
Fig. 7 is an enlarged schematic view of a partial structure at B in fig. 6.
Fig. 8 is a schematic view of the overall structure of the adjusting bracket in cooperation with the driver and the transmission structure.
Fig. 9 is a schematic elevational view of the alignment jig in cooperation with the driver and transmission structure.
Fig. 10 is a schematic elevational view of the alignment jig in cooperation with the driver, transmission structure and sander.
FIG. 11 is a schematic side view of the cartridge in combination with the drive, transmission and sander.
Fig. 12 is a schematic elevational view of the engagement of the adjustment frame with the grinding mechanism.
Fig. 13 is a schematic side view of the engagement of the adjustment bracket with the grinding mechanism.
Fig. 14 is a schematic view of the other side structure of the adjusting frame and the polishing mechanism.
In the above figures, the meaning of each reference numeral is:
1. a steel rail; 2. a mounting frame; 201. a chassis; 202. a vertical frame; 3. a control mechanism; 4. a cleaning mechanism; 5. a power supply; 501. a battery holder; 6. a polishing mechanism; 7. an adjusting frame; 701. a connection part; 702. a side plate; 703. an adjusting rod group; 704. a limiting plate; 705. a closing plate; 8. a ground walking wheel set; 801. a wheel carrier; 802. a wheel body; 803. a synchronizing lever; 9. a track traveling wheel set; 10. a deflection adjustment mechanism; 11. a braking device; 12. a driver; 13. a rotating seat; 14. an output shaft; 15. a power-off protection mechanism; 16. a locking mechanism; 17. a dust cover; 18. a dust-proof baffle; 19. polishing the grinding disc; 20. a first driving wheel.
Detailed Description
The invention is further illustrated by the following description of specific embodiments in conjunction with the accompanying drawings.
Aiming at the condition that attachments such as oxide layers, paint, dust impurities and the like exist in the existing rail bottom flaw detection area of the steel rail to influence the ultrasonic flaw detection result, the following embodiments are optimized to overcome the defects in the prior art.
Examples
As shown in fig. 1 to 3, the present embodiment provides a polishing and cleaning device for a flaw detection area of a rail bottom of a steel rail, and aims to precisely polish the flaw detection area of the rail 1, so that the surface of the flaw detection area is smooth and clean and has no sundries, and the ultrasonic flaw detection effect is more precise and reliable.
As the polishing cleaning device provided in the present embodiment, one of its structures includes:
as shown in fig. 4, a mounting bracket 2 for carrying weight and providing a mounting location, cooperates with and travels along the track.
In this embodiment, the mounting frame 2 serves as a load-bearing structure for the whole device, the structure of which can be configured in various forms, in particular but not exclusively, optimized and one of the possible options being adopted here: as shown in fig. 4 and 6, the mounting frame 2 includes a chassis 201, two ends of the chassis 201 are provided with a stand 202, a rail running wheel set 9 that cooperates with a rail to run is connected to the lower part of the chassis 201, and a brake device 11 is provided on the rail running wheel set 9 to limit the running speed of the mounting frame 2 along the rail. When the scheme is adopted, the braking device 11 always keeps braking force on the travelling wheels, but retains the capability of the track travelling wheels; considering the counter force to which the grinding mechanism 6 rubs against the rail, the counter force will drive the whole device forward and has a high speed, and the braking device 11 limits the running speed of the whole device, so that the grinding effect can be kept better, the running reliability of the whole device is improved, and the running speed is prevented from being dangerous due to overhigh.
Preferably, the track running wheel set 9 comprises at least two track wheels on the same straight line track, and the track wheels are attached to the upper surface of the track of the steel rail 1 in the process of running along the track; the width of the rail wheel is larger than that of the rail 1, so that a braking device 11 comprising a braking disc, a braking plate and the like can be arranged on the side surface of the rail wheel, and in the embodiment, the braking plate can be a rubber braking plate or a ceramic braking plate. So configured, the overall device has a travel speed of 3km/h or less and a travel speed of 2.5km/h or less during sanding and cleaning.
In order to facilitate the movement of the whole device, an additional wheel set is provided for walking, the arrangement mode is not limited only, and the embodiment is optimized and adopts one of the possible choices: as shown in fig. 4 to 7, the mounting frame 2 is provided with a ground walking wheel set 8 for supporting the mounting frame 2 and walking on the ground, the ground walking wheel set 8 comprises a plurality of wheel frames 801 hinged to the mounting frame 2, and the bottoms of the wheel frames 801 are connected with a wheel body 802; a yaw adjustment mechanism 10 is provided between the mounting frame 2 and the wheel truck 801 for expanding or retracting the wheel truck 801. By adopting the scheme, the ground walking wheel set 8 can support the whole device to walk when being unfolded, and the external size of the whole device can be reduced when the whole device is retracted, so that external structural interference in the advancing process along the steel rail 1 is avoided. In order to improve the convenience of walking, part of walking wheels adopt universal wheels, so that steering can be performed.
Preferably, in this embodiment, four wheel frames 801 are disposed on the mounting frame 2, two wheel frames 801 of each group of ground walking wheel set 8 are respectively disposed on two sides of the mounting frame 2, and the two wheel frames 801 are connected by a synchronizing rod 803 and are synchronously unfolded and synchronously retracted. Meanwhile, in the embodiment, the travelling wheel set at the front part of the mounting frame 2 adopts universal wheels, and the travelling wheel set at the rear part of the mounting frame 2 adopts directional wheels.
As the polishing and cleaning device provided in this embodiment, the second structure includes:
as shown in fig. 8 and 9, the adjusting frame 7 for adjusting the position of the polishing mechanism 6 includes a plurality of connecting portions 701 and a plurality of adjusting portions, the connecting portions 701 are fixedly connected with the middle portion of the mounting frame 2, the adjusting portions are fixedly matched with the connecting portions 701, each adjusting portion includes an adjusting groove which is obliquely arranged and an adjusting seat which is movably matched with the adjusting groove, and the adjusting seat slides in the adjusting groove to be close to the flaw detection area of the rail bottom or slides to be far away from the flaw detection area of the rail bottom.
Preferably, in this embodiment, the connection part 701 is detachably disposed on the mounting frame 2, and in some cases, the position can be adjusted along the mounting frame 2 in the front-back direction and the left-right direction. The connection part 701 may be constructed as a metal strip transversely disposed on the mounting frame 2, and a plurality of connection hole sites are provided on the metal strip to connect the adjustment part.
Preferably, after the adjusting part is fixedly connected with the adjusting part, the adjusting seat is linearly and reciprocally adjusted towards the rail bottom flaw detection area.
In the embodiment, the position of the polishing mechanism 6 is adjusted and set through the adjusting frame 7, and the polishing mechanism 6 is adjusted in a polishing state and a non-polishing state so as to realize polishing or avoid interference; in the process of adjusting, the adjusted state needs to be kept to improve the reliability, and the embodiment is optimized and adopts one of the feasible choices: the adjusting part also comprises a locking mechanism 16, and the locking mechanism 16 is matched with the adjusting seat so as to enable the adjusting seat to be locked and fixed or unlocked and slide in the adjusting groove. With such an arrangement, the locking mechanism 16 may employ bolt-on locking, deadbolt locking, snap-lock locking, etc.
Preferably, in this embodiment, the structure of the adjusting portion may be flexibly set, and is not limited to only, and this embodiment is optimized and adopts one of possible choices: the adjusting part comprises a pair of side plates 702 which are oppositely arranged, and each side plate 702 is provided with a limiting plate 704 and is notched to form an adjusting groove; the adjusting seat comprises an adjusting rod group 703 matched with the notch, and a sealing plate 705 is arranged between the adjusting rod groups 703. When the scheme is adopted, the side plate 702 is fixed with the connecting part 701 through a structure such as a bolt, and the limiting plate 704 can be fixed with the side plate 702 in a mode such as bolting, welding and the like, and can also be integrally formed with the side plate 702. The two opposite side plates 702 are connected with two limiting plates 704, and the notches of the two limiting plates 704 are opposite and used for being matched with the adjusting seat to move.
Preferably, the closing plate 705 is a U-shaped plate.
As the polishing cleaning device provided in this embodiment, a third structure thereof includes:
as shown in fig. 10 to 14, the polishing mechanism 6 for polishing the flaw detection area comprises a driver 12 arranged on an adjusting seat and a polishing device in transmission connection with the driver 12, wherein the polishing device comprises a rotating seat 13 and a polishing disc 19 arranged on the rotating seat 13, and the polishing disc 19 is used for polishing the surface of the flaw detection area of the rail bottom.
In the present embodiment, the specific structure of the polishing mechanism 6 may adopt a plurality of possible schemes, which are not limited to the specific one, and the present embodiment is optimized and adopts one of the possible options: the polishing mechanism 6 also comprises a transmission structure, wherein the transmission structure comprises a driving wheel and a first driven wheel which are arranged on the inner side of the adjusting seat, and the driving wheel is matched with the output rotating shaft 14 of the driver 12 to rotate and drive the first driven wheel to rotate; the transmission structure also comprises a second driven wheel and a third driven wheel which are arranged on the outer side of the adjusting seat, the second driven wheel and the first driven wheel coaxially rotate and drive the third driven wheel to rotate, the third driven wheel is arranged on the output rotating shaft 14 and drives the output rotating shaft 14 to coaxially rotate, and the rotating seat 13 is arranged on the output rotating shaft 14 and coaxially rotates. When adopting such scheme, in the both sides of the regulation seat that transmission structure dispersedly set up, especially with action wheel and first follow driving wheel setting in the inboard of regulation seat, reducible output pivot 14 is to the length that the regulation seat outside extends, makes rotation seat 13 and polishing dish 19 press close to the regulation seat more to reduce rotation seat 13 and polishing dish 19 and track pillow or track knot take place the probability of interference, be convenient for improve the reliability of polishing.
In this embodiment, the driving force of the driver 12 is transmitted to the rotating seat 13 to drive the polishing disc 19, and the transmission manner may adopt various schemes, which are not limited solely, and this embodiment is optimized and one of the possible choices is provided: and a transmission gear pair, a transmission belt or a transmission chain is arranged between the driving wheel and the first driven wheel and between the second driven wheel and the third driven wheel for transmission. When the scheme is adopted, a transmission space for accommodating a transmission structure is formed in the adjusting seat, and the transmission structure can reduce the interference of an external structure and impurities, so that better transmission efficiency and transmission stability are maintained.
Preferably, during the polishing process, oxide layers, paint, dust attachments, etc. of the rail foot flaw detection zone are carried up by the polishing disc 19 and fly away in the environment, and in order to avoid the influence of these small particles on the whole device and personnel, the movement range of the particles is limited, and one of the possible choices is optimized and adopted here: the polishing disc 19 is provided with a dust cover 17 and a dust baffle 18. When the scheme is adopted, the dust cover 17 enables particles to fly and fall in a limited space, the dust baffle 18 blocks the particles in the advancing direction, and a cleaning brush can be arranged on the dust baffle 18 to synchronously clean the polished rail bottom flaw detection area, so that the adhesion of the particles on a polishing surface is reduced, and the flaw detection effect is further improved.
In this embodiment, a large amount of dust particles are generated in the polishing process, which will cause environmental impact and personnel health impact, if the dust particles are reattached to the flaw detection surface of the rail bottom, the flaw detection result will be affected, therefore, the dust particles need to be removed, and the following feasible selection is provided by the embodiment: the cleaning device also comprises a cleaning mechanism 4, wherein the cleaning mechanism 4 comprises a negative pressure cleaning bin and a negative pressure suction nozzle, and the negative pressure suction nozzle extends to the polishing mechanism 6 and is used for adsorbing particles generated by polishing. When the scheme is adopted, one negative pressure suction nozzle can be arranged, and a plurality of negative pressure suction nozzles can also be arranged.
In this embodiment, the polishing cleaning device polishes along the rail 1, but the rail 1 may have structures such as wrong rail and wiring along the way, when the polishing cleaning device reaches the structures, interference may occur, and early judgment and early warning should be performed to avoid damage, so that the device is optimized and the following feasible selection is provided: as shown in fig. 13 and 14, the power-off protection device further comprises a power-off protection mechanism 15 arranged on the mounting frame 2, wherein the power-off protection mechanism 15 is connected with the power supply 5 and the control mechanism 3 and is normally communicated with an external power supply circuit of the power supply 5; the power-off protection mechanism 15 includes a detection switch and the detection switch cuts off the external power supply circuit of the power supply 5 when an obstacle is detected in front of the travel. When the scheme is adopted, the detection switch can adopt, but is not limited to, a swing rod type press-fit switch, and when the swing rod is in contact interference with an external structure and position change occurs, the power supply circuit is disconnected to stop advancing and polishing work.
As the polishing cleaning device provided in the present embodiment, a fourth configuration thereof includes:
and the control mechanism 3 for controlling the operation of the whole device is arranged on the mounting frame 2 and is electrically connected with the polishing mechanism 6 and used for controlling the start and stop operation of the polishing mechanism 6.
Preferably, the control mechanism 3 in this embodiment includes a control box and a controller disposed inside, and an adjusting control button and a display are disposed on the control box.
As the polishing and cleaning device provided in this embodiment, the fifth structure includes:
as shown in fig. 1 and 2, a power supply 5 for supplying power to the whole device is provided on the mounting frame 2 and electrically connected to the control mechanism 3 to supply power to the control mechanism 3 and the polishing mechanism 6.
Preferably, the power supply 5 in the present embodiment employs a storage battery. The mounting frame 2 is provided with a corresponding battery frame 501 for mounting and fixing the storage battery.
The polishing and cleaning device disclosed by the embodiment advances along the steel rail 1 and synchronously polishes; the adjusting frame 7 can adjust and move the polishing mechanism 6 to a proper polishing position, and the flaw detection area of the rail bottom of the steel rail 1 can be polished after the polishing mechanism 6 is started. Since the adjusting bracket 7 adjusts the grinding mechanism 6 in the inclined direction, the grinding mechanism 6 can reach the rail bottom grinding area and avoid interference with structures such as sleepers, rail buckles and the like of the on-line rail.
The above is an embodiment exemplified in this example, but this example is not limited to the above-described alternative embodiments, and a person skilled in the art may obtain various other embodiments by any combination of the above-described embodiments, and any person may obtain various other embodiments in the light of this example. The above detailed description should not be construed as limiting the scope of the present embodiments, which is defined in the appended claims.
Claims (10)
1. Rail rail bottom flaw detection area cleaning device that polishes, its characterized in that includes:
a mounting frame (2) which is matched with the track and runs along the track;
the adjusting frame (7) comprises a plurality of connecting parts (701) and a plurality of adjusting parts, the connecting parts (701) are fixedly connected with the middle part of the mounting frame (2), the adjusting parts are fixedly matched with the connecting parts (701), each adjusting part comprises an obliquely arranged adjusting groove and an adjusting seat movably matched with the adjusting groove, and the adjusting seat slides in the adjusting groove to be close to the flaw detection area of the rail bottom or slides to be far away from the flaw detection area of the rail bottom;
the polishing mechanism (6) comprises a driver (12) arranged on the adjusting seat and a polisher in transmission connection with the driver (12), wherein the polisher comprises a rotating seat (13) and a polishing disc (19) arranged on the rotating seat (13), and the polishing disc (19) is used for polishing the surface of a rail bottom flaw detection area;
the control mechanism (3) is arranged on the mounting frame (2) and is electrically connected with the polishing mechanism (6) and used for controlling the start and stop operation of the polishing mechanism (6);
the power supply (5) is arranged on the mounting frame (2) and is electrically connected with the control mechanism (3) to supply power for the control mechanism (3) and the polishing mechanism (6).
2. The steel rail foot flaw detection zone polishing and cleaning device according to claim 1, wherein: the polishing mechanism (6) further comprises a transmission structure, the transmission structure comprises a driving wheel and a first driven wheel, the driving wheel and the first driven wheel are arranged on the inner side of the adjusting seat, and the driving wheel and an output rotating shaft (14) of the driver (12) are matched to rotate and drive the first driven wheel to rotate; the transmission structure further comprises a second driven wheel and a third driven wheel which are arranged on the outer side of the adjusting seat, the second driven wheel and the first driven wheel coaxially rotate and drive the third driven wheel to rotate, the third driven wheel is arranged on the output rotating shaft (14) and drives the output rotating shaft (14) to coaxially rotate, and the rotating seat (13) is arranged on the output rotating shaft (14) and coaxially rotates.
3. The steel rail foot flaw detection zone polishing and cleaning device according to claim 2, wherein: and a transmission gear pair, a transmission belt or a transmission chain is arranged between the driving wheel and the first driven wheel and between the second driven wheel and the third driven wheel for transmission.
4. A rail foot inspection zone grinding and cleaning device according to any one of claims 1 to 3, characterized in that: the polishing disc (19) is provided with a dust cover (17) and a dust baffle (18).
5. The steel rail foot flaw detection zone grinding and cleaning device according to claim 1 or 2, wherein: the power-off protection mechanism (15) is arranged on the mounting frame (2), and the power-off protection mechanism (15) is connected with the power supply (5) and the control mechanism (3) and is normally communicated with an external power supply circuit of the power supply (5); the power-off protection mechanism (15) comprises a detection switch and an external power supply circuit for cutting off the power supply (5) when the detection switch detects that the front of the travel is blocked.
6. The steel rail foot flaw detection zone polishing and cleaning device according to claim 1, wherein: the mounting frame (2) comprises a bottom frame (201), two ends of the bottom frame (201) are provided with vertical frames (202), the lower part of the bottom frame (201) is connected with a track traveling wheel set (9) which is matched with a track to travel, and a braking device (11) is arranged on the track traveling wheel set (9) to limit the travelling speed of the mounting frame (2) along the track.
7. The steel rail foot inspection area grinding and cleaning device according to claim 1 or 6, wherein: the ground walking wheel set (8) used for supporting the mounting frame (2) and walking on the ground is arranged on the mounting frame (2), the ground walking wheel set (8) comprises a plurality of wheel frames (801) hinged to the mounting frame (2), and the bottoms of the wheel frames (801) are connected with a wheel body (802); a deflection adjusting mechanism (10) is arranged between the mounting frame (2) and the wheel frame (801) for expanding or retracting the wheel frame (801).
8. The steel rail foot flaw detection zone polishing and cleaning device according to claim 1, wherein: the adjusting part also comprises a locking mechanism (16), and the locking mechanism (16) is matched with the adjusting seat so as to enable the adjusting seat to be locked and fixed or unlocked and slide in the adjusting groove.
9. The steel rail foot inspection area grinding and cleaning device according to claim 1 or 8, wherein: the adjusting part comprises a pair of side plates (702) which are oppositely arranged, and each side plate (702) is provided with a limiting plate (704) and is notched to form an adjusting groove; the adjusting seat comprises an adjusting rod group (703) matched with the notch, and a sealing plate (705) is arranged between the adjusting rod group (703).
10. The steel rail foot flaw detection zone polishing and cleaning device according to claim 1, wherein: the polishing machine also comprises a cleaning mechanism (4), wherein the cleaning mechanism (4) comprises a negative pressure cleaning bin and a negative pressure suction nozzle, and the negative pressure suction nozzle extends to the polishing mechanism (6) and is used for adsorbing particles generated by polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310207360.8A CN116021401A (en) | 2023-03-07 | 2023-03-07 | Polishing and cleaning device for flaw detection area of rail bottom of steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310207360.8A CN116021401A (en) | 2023-03-07 | 2023-03-07 | Polishing and cleaning device for flaw detection area of rail bottom of steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116021401A true CN116021401A (en) | 2023-04-28 |
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ID=86072635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310207360.8A Pending CN116021401A (en) | 2023-03-07 | 2023-03-07 | Polishing and cleaning device for flaw detection area of rail bottom of steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116021401A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020816A (en) * | 2023-10-10 | 2023-11-10 | 广东赛普电器制造有限公司 | Guide rail side grinding device |
-
2023
- 2023-03-07 CN CN202310207360.8A patent/CN116021401A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020816A (en) * | 2023-10-10 | 2023-11-10 | 广东赛普电器制造有限公司 | Guide rail side grinding device |
| CN117020816B (en) * | 2023-10-10 | 2024-02-20 | 广东赛普智能制造股份有限公司 | Guide rail side grinding device |
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