On-line steel rail grinding equipment

Abstract

The utility model relates to the technical field of steel rail polishing, and discloses online steel rail polishing equipment. The polishing equipment comprises a motor vehicle, polishing modules and a control mechanism, the two polishing modules are symmetrically arranged on a supporting platform of the motor vehicle, each polishing module comprises a polishing device and a rail leaning device, and each polishing device comprises a horizontal moving mechanism, an up-down moving mechanism, a rotating mechanism and a polishing mechanism. And the polishing mechanism can move up and down and horizontally relative to the steel rail and can rotate. When the polishing equipment is used, the motor vehicle is arranged on the steel rail needing to be polished, and when the motor vehicle moves on the steel rail in a reciprocating mode, the polishing mechanism polishes the steel rail at different angles until polishing operation on all the angles of the steel rail is completed, full-automatic polishing of the steel rail is achieved, manual participation is not needed, and the polishing efficiency is improved. And the grinding speed is high, the grinding quality and precision are high, and manpower resources are greatly saved while the steel rail grinding quality and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model relates to rail polishing technical field, concretely relates to a rail on -line polishing equipment. BACKGROUND

[0002] Railway and other tracks are composed of two rails, and the development of railways in China is progressing with the growth of national economy, and railway transportation has a series of characteristics such as economy, convenience, safety and the like.

[0003] The top of the rail is arc-shaped, and the rolling wheel of the train carriage is connected to the rail. The railway rail bears a large weight, and after being used for a certain period of time, the railway rail will be uneven due to wear and tear, or defects such as rust will occur. In order to improve the safety of railway operation, the rail needs to be ground irregularly, and the surface defects of the rail are eliminated to prolong the service life of the rail and ensure the safety of train travel.

[0004] The inventor of the present application finds that since the rail is laid and installed on the track, and the top surface is arc-shaped, it is inconvenient to grind it, and at present, manual grinding is generally used in China, which is low in efficiency, and the grinding precision and quality are difficult to guarantee. Although there are large machines that can completely grind the rail at one time abroad, the price is high, and when problems occur, the maintenance and repair of the equipment are relatively difficult. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a rail on -line polishing equipment, realizing automatic grinding of the rail to solve the problems in the above background technology.

[0006] The embodiment of the utility model provides a rail on -line polishing equipment, which comprises: a power car, a grinding module and a control mechanism.

[0007] The power car is arranged on the rail to be ground, and can move back and forth along the rail.

[0008] The power car is provided with a support platform.

[0009] The grinding module is provided with at least two, and the two grinding modules are symmetrically arranged on the support platform.

[0010] The grinding module comprises a grinding device and a rail following device.

[0011] The grinding device comprises a horizontal moving mechanism, an up-down moving mechanism, a rotating mechanism and a grinding mechanism.

[0012] The horizontal moving mechanism is arranged on the support platform, the up-down moving mechanism is arranged on the horizontal moving mechanism, the rotating mechanism is arranged on the up-down moving mechanism, and the polishing mechanism is arranged on the rotating mechanism, so that the polishing mechanism can horizontally move, up-down move and rotate relative to the rail, and is used for polishing the rail when the power vehicle moves.

[0013] The rail abutting device abuts against the side wall of the rail, and the power vehicle rolls along the rail when moving, so as to move the polishing mechanism along the rail.

[0014] The control mechanism is arranged on the support platform, and the power vehicle, the polishing device and the rail abutting device are electrically connected with the control mechanism.

[0015] Based on the above scheme, the rail on-line polishing equipment of the utility model, through setting power vehicle, polishing module and control mechanism, power vehicle is arranged on the rail track that needs to be polished, two polishing modules are arranged on both sides of the support platform of the power vehicle, and the polishing module comprises: a polishing device and a rail abutting device, the polishing device comprises: a horizontal moving mechanism, an up-down moving mechanism, a rotating mechanism and a polishing mechanism, and the rail abutting device abuts against the rail. The rail on-line polishing equipment of the utility model, the polishing mechanism can horizontally move, up-down move and rotate relative to the rail. When in use, the PLC control mechanism is controlled, when the power vehicle advances along the rail, the control mechanism makes the polishing wheel of the polishing mechanism descend to contact the upper surface of the rail through the up-down moving mechanism, and the polishing wheel rotates to polish the surface of the rail at an angle; when the power vehicle retreats along the rail, the control mechanism adjusts the horizontal position of the polishing wheel of the polishing mechanism relative to the rail through the horizontal moving mechanism, and adjusts the angle of the polishing wheel relative to the rail through the rotating mechanism, and the polishing wheel rotates to polish the surface of the rail at a second angle. When the power vehicle moves back and forth repeatedly, the control mechanism controls the polishing wheel to continuously adjust the position and the angle, so that the polishing wheel polishes the rail at different angles in turn, until the polishing work at all angles of the arc-shaped top surface and the side surface of the rail is completed. The polishing equipment of the utility model can realize full-automatic polishing of the rail on-line, does not need manual participation, has small volume, high polishing speed, high polishing quality and high precision, greatly saves human resources while improving the polishing quality and efficiency.

[0016] In a feasible scheme, the utility model also includes: a power supply mechanism and a gas supply mechanism;

[0017] The power supply mechanism and the gas supply mechanism are arranged on the support platform and are electrically connected with the control mechanism, and are respectively used for power supply and gas supply.

[0018] In a feasible scheme, the horizontal moving mechanism comprises: a first servo motor, a first screw rod and a first sliding table.

[0019] The first servo motor and the first screw rod are arranged on the support platform, and the first servo motor is connected with the first screw rod through a shaft coupling, and is used for driving the first screw rod to rotate;

[0020] The first sliding table is slidably arranged on the slide rail of the support platform, and is engaged on the first screw rod;

[0021] The up-down moving mechanism comprises a second servo motor, a second screw rod and a second sliding table;

[0022] The second servo motor and the second screw rod are arranged on the first sliding table, and the second servo motor is connected with the second screw rod through a shaft coupling, and is used for driving the second screw rod to rotate;

[0023] The second sliding table is slidably arranged on the slide rail of the first sliding table, and is engaged on the second screw rod;

[0024] The rotating mechanism comprises a third servo motor, a speed reducer and a fixed plate;

[0025] The third servo motor is arranged on the second sliding table, and is connected with the fixed plate through the speed reducer, and is used for driving the fixed plate to rotate;

[0026] The polishing mechanism comprises a polishing motor and a polishing wheel;

[0027] The polishing motor is arranged on the fixed plate, and is connected with the polishing wheel, and is used for driving the polishing wheel to rotate, and the polishing wheel is used for polishing the rail when rotating.

[0028] In a possible solution, the polishing mechanism further comprises a floating force control mechanism;

[0029] The floating force control mechanism is arranged on the fixed plate, the polishing motor is arranged on the sliding plate of the floating force control mechanism, and the floating force control mechanism is used for keeping the polishing pressure of the polishing wheel constant, so as to realize constant force polishing.

[0030] In a possible solution, the rail abutting device comprises a telescopic air cylinder, a connecting bracket, a fixed seat, a movable seat, a sliding rod, a guide sleeve, a spring and a roller;

[0031] The support platform is provided with a sliding groove;

[0032] The telescopic air cylinder is arranged on the support platform;

[0033] The connecting bracket is slidably arranged in the sliding groove and is connected with the telescopic air cylinder;

[0034] The fixing base is arranged on the connecting support;

[0035] The fixing base is provided with a sliding channel, and the guide sleeve is arranged on the fixing base;

[0036] The sliding rod is slidably arranged in the guide sleeve and connected with the movable base, and the sliding rod is provided with a convex ring for abutting against the guide sleeve;

[0037] The spring is arranged in the sliding channel and abuts against the fixing base and the convex ring respectively;

[0038] The roller is rotatably arranged on the movable base and abuts against the sidewall of the steel rail, so that the grinding wheel moves along the extension direction of the steel rail.

[0039] In an available solution, the dust removal mechanism is further included;

[0040] The dust removal mechanism includes an air extractor, a connecting hose and a dust collector;

[0041] The dust collector is arranged on the support platform;

[0042] One end of the connecting hose is connected with the air outlet sleeve of the dust collector, and the other end is located at the grinding wheel;

[0043] The air extractor is connected with the connecting hose and used for sucking the grinding dust into the dust collector.

[0044] In an available solution, the dust removal mechanism further includes a dust collecting cover;

[0045] The dust collecting cover is arranged on the support platform, and the opening of the dust collecting cover is arranged towards the grinding wheel;

[0046] The connecting hose is connected with the air outlet sleeve of the dust collecting cover.

[0047] In an available solution, the grinding module is provided with a plurality of pairs;

[0048] Each pair of the grinding module and the support platform is combined into a grinding unit and can be spliced on the power vehicle;

[0049] The plurality of pairs of the grinding module are arranged along the extension direction of the steel rail to simultaneously grind the steel rail at multiple angles.

[0050] In an available solution, the power vehicle is provided with a driving motor and a driving roller;

[0051] The driving motor and the driving roller are arranged on the support platform, the driving roller is connected with the driving motor, and the driving roller is used for clamping the steel rail;

[0052] Compared with the prior art, the utility model has the following beneficial effects:

[0053] 1, the power car reciprocating movement on the rail, the polishing mechanism is polished to the different angle of the rail, improves the polishing efficiency.

[0054] 2, the power car is equipped with electric power supply mechanism and gas supply mechanism, can provide electric power and high pressure gas for each actuating mechanism, to adapt to the different working environment requirement, more convenient in the field use.

[0055] 3, through the track device realizes the accurate direction of the polishing wheel, no matter the rail is straight or curved, can make the polishing wheel move along the extension direction of the rail, guarantee the polishing precision.

[0056] 4, the polishing mechanism is arranged on the floating force control mechanism, so that the polishing pressure of the polishing wheel is kept constant when polishing the rail, realizes the constant force polishing of the rail, further improves the polishing quality and precision of the rail.

[0057] 5, the polishing unit is modular, each polishing unit can be spliced on the power car, can make the polishing equipment miniaturization, reduces the equipment cost, can also add the polishing unit according to the need conveniently, improves the polishing operation efficiency, reduces the reciprocating frequency of the power car. BRIEF DESCRIPTION OF DRAWINGS

[0058] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing a simple introduction, obviously, the following description in the drawing is some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor intensity, can also obtain other drawings according to these drawings.

[0059] Figure 1 It is the schematic diagram of the rail on-line polishing equipment in the embodiment of the utility model;

[0060] Figure 2 It is the enlarged view of A in the embodiment of the utility model in Figure 1

[0061] Figure 3 It is the schematic diagram of the polishing module in the embodiment of the utility model;

[0062] Figure 4 It is the schematic diagram of the polishing device in the embodiment of the utility model;

[0063] Figure 5 It is another angle schematic diagram of the polishing device in the embodiment of the utility model;

[0064] Figure 6 ​It is the schematic view of the polishing mechanism in the embodiment of the utility model.

[0065] Figure 7 It is the schematic view of the rail following device in the embodiment of the utility model.

[0066] Reference numerals in the drawing:

[0067] 1, power car;11, support platform;12, drive motor;13, drive roller;2, polishing module;21, polishing device;2101, shaft coupling;2111, first servo motor;2112, first screw rod;2113, first sliding table;2121, second servo motor;2122, second screw rod;2123, second sliding table;2131, third servo motor;2132, speed reducer;2133, fixed plate;2141, polishing motor;2142, polishing wheel;2143, floating force control mechanism;22, rail following device;221, telescopic cylinder;222, connecting bracket;223, roller;224, fixed seat;225, movable seat;226, slide rod;227, guide sleeve;228, spring;3, dust removal mechanism;31, dust collecting cover;311, air outlet sleeve;32, dust collector;100, steel rail. DETAILED DESCRIPTION

[0068] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0069] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0070] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0071] The technical solution of this utility model will be described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments.

[0072] As described in the background section of this application, railway rails have an arc-shaped top, and the rollers of the train carriages are engaged with the rails. Railway rails bear a significant weight, and after a certain period of use, wear and tear can cause surface unevenness or corrosion. To improve the safety of railway operation, it is necessary to periodically grind the rails to eliminate surface defects, extend their service life, and ensure safe train operation.

[0073] The inventors of this application have discovered that, because the rails are laid on the track and their top surface is arc-shaped, the rails are inconvenient to grind. Currently, they are generally ground manually, which is inefficient and makes it difficult to guarantee the grinding accuracy and quality.

[0074] To address the aforementioned problems, the inventor of this utility model has proposed a technical solution, the specific embodiments of which are as follows:

[0075] Figure 1 This is a schematic diagram of the online rail grinding equipment in this embodiment of the present invention. Figure 2 As described in the embodiments of this utility model Figure 1 Enlarged view of point A in the image. Figure 3 This is a schematic diagram of the polishing module in an embodiment of the present invention. Figure 4 This is a schematic diagram of the polishing device in an embodiment of the present invention. Figure 5 This is another schematic diagram of the grinding device in an embodiment of the present invention. Figure 6 This is a schematic diagram of the grinding mechanism in an embodiment of the present utility model; Figure 7 This is a schematic diagram of the rail-aligning device in an embodiment of the present utility model.

[0076] like Figures 1 to 7 As shown, the rail online grinding equipment in this embodiment includes: a power vehicle 1, a grinding module 2, and a control mechanism.

[0077] The power vehicle 1 is arranged on the track rail to be polished, and the power vehicle 1 can automatically move back and forth along the track rail.

[0078] The power vehicle 1 is provided with a support platform 11.

[0079] The polishing module 2 is provided with at least two (a pair), and the two polishing modules 2 are arranged on the support platform 11 of the power vehicle 1 and are symmetrically arranged on both sides of the support platform 11, and the two polishing modules 2 correspond to two rails 100 on the track respectively.

[0080] Each polishing module 2 comprises a polishing device 21 and a rail abutting device 22.

[0081] The polishing device 21 of the polishing module 2 comprises a horizontal moving mechanism, an up-down moving mechanism, a rotating mechanism and a polishing mechanism.

[0082] The horizontal moving mechanism is arranged on the support platform 11 of the power vehicle 1, the up-down moving mechanism is arranged on the horizontal moving mechanism, the rotating mechanism is arranged on the up-down moving mechanism, and the polishing mechanism is arranged on the rotating mechanism, so that the polishing mechanism of the polishing device 21 can move horizontally, up and down, and rotate relative to the support platform 11, that is, the polishing mechanism can move horizontally, up and down, and rotate relative to the rail 100, so that when the power vehicle 1 moves back and forth along the rail 100, the polishing mechanism of the polishing device 21 can polish different angles of the arc surface of the rail.

[0083] The rail abutting device 22 of the polishing module 2 is arranged on the support platform 11 and is used to abut against the outer side wall of the track rail 100, and the rail abutting device 22 is arranged close to the polishing mechanism. When the power vehicle 1 moves along the rail, the rail abutting device 22 can slide along the rail, thereby guiding the polishing mechanism, and no matter whether the rail is straight or curved, the rail abutting device 22 can make the polishing mechanism of the polishing device 21 move along the extension direction of the rail, thereby realizing accurate polishing of the rail.

[0084] The control mechanism is arranged on the support platform 11 of the power vehicle 1, and the power vehicle 1, the rail abutting device 22, and the horizontal moving mechanism, the up-down moving mechanism, the rotating mechanism and the polishing mechanism of the polishing device 21 are electrically connected with the control mechanism respectively, the control mechanism controls each executing mechanism to perform corresponding preset actions according to preset programs, thereby realizing automatic, rapid and accurate polishing of the rail.

[0085] In this embodiment, when the power vehicle moves along the rail, the control mechanism makes the polishing mechanism descend to contact the arc surface of the rail through the up-down moving mechanism, and the polishing mechanism realizes polishing of the first angle of the arc surface of the rail when it is started.

[0086] When the power vehicle retreats along the rail, the control mechanism adjusts the horizontal position of the grinding mechanism relative to the rail through the horizontal moving mechanism, and adjusts the angle of the grinding mechanism relative to the rail through the rotating mechanism, and then the grinding mechanism starts to grind the second angle of the arc surface of the rail.

[0087] When the power vehicle moves back and forth for multiple times, the control mechanism controls the grinding mechanism to continuously adjust the position and angle, so that the grinding mechanism grinds the multiple angles of the arc surface of the rail in sequence until the grinding work of all angles of the rail is completed.

[0088] Then, the power vehicle moves to the next rail (next section) that needs to be ground to continue grinding the rail.

[0089] As can be seen from the above, the rail online grinding equipment of the embodiment is provided with a power vehicle, a grinding module and a control mechanism. The power vehicle is arranged on the rail track that needs to be ground. The two grinding modules are arranged on the two sides of the support platform of the power vehicle. The grinding module comprises a grinding device and a rail abutting device. The grinding device comprises a horizontal moving mechanism, an up-down moving mechanism, a rotating mechanism and a grinding mechanism. The rail abutting device abuts against the rail. The rail online grinding equipment of the embodiment can horizontally, up-down and rotate the grinding mechanism relative to the rail. In use, the PLC control mechanism is controlled. When the power vehicle advances along the rail, the control mechanism controls the grinding wheel of the grinding mechanism to be lowered to contact the upper surface of the rail through the up-down moving mechanism, and the grinding wheel rotates to grind one angle of the surface of the rail. When the power vehicle retreats along the rail, the control mechanism adjusts the horizontal position of the grinding wheel of the grinding mechanism relative to the rail through the horizontal moving mechanism, and adjusts the angle of the grinding wheel relative to the rail through the rotating mechanism, and the grinding wheel rotates to grind the second angle of the surface of the rail. When the power vehicle moves back and forth for multiple times, the control mechanism controls the grinding wheel to continuously adjust the position and angle, so that the grinding wheel grinds the multiple different angles of the rail in sequence until the grinding work of all angles of the arc-shaped top surface and side surface of the rail is completed. The grinding equipment of the embodiment can realize the full-automatic grinding of the rail online without manual participation, and has the advantages of small size, fast grinding speed, high grinding quality and precision, and greatly saves the human resources while improving the grinding quality and efficiency.

[0090] Optionally, the rail online grinding equipment of the embodiment further comprises a power supply mechanism and a gas supply mechanism.

[0091] The power supply mechanism (not shown in the figure) can be a generator set, a power battery, etc., and the gas supply mechanism (not shown in the figure) can be a high-pressure gas cylinder, etc.

[0092] The power supply mechanism and the gas supply mechanism are arranged on the support platform 11 of the power vehicle 1 and are electrically connected with the control mechanism, respectively.

[0093] In this embodiment, each actuator can be provided with power by the power supply mechanism, and each actuator can be provided with high-pressure gas by the gas supply mechanism, so as to adapt to the working requirements of the field environment, and make the polishing device more flexible. Of course, if conditions permit, each actuator can also be electrically connected with an external power system and powered by the external power system.

[0094] Optionally, as shown in Figure 4 , Figure 5 and Figure 6 , the horizontal moving mechanism of the polishing device 21 of the rail online polishing device in this embodiment includes a first servo motor 2111, a first lead screw 2112 and a first sliding table 2113.

[0095] The first servo motor 2111 and the first lead screw 2112 are respectively arranged on the support platform 11 of the power car 1, the motor shaft of the first servo motor 2111 is in transmission connection with one end of the first lead screw 2112 through the shaft coupling 2101, and the first servo motor 2111 is used to drive the first lead screw 2112 to rotate.

[0096] The top surface of the support platform 11 is provided with a sliding rail.

[0097] The first sliding table 2113 is slidably arranged on the sliding rail of the support platform 11 through a sliding block, and the first sliding table 2113 is engaged on the first lead screw 2112 through the sliding block. When the first lead screw 2112 rotates, the first sliding table 2113 moves horizontally in a direction perpendicular to the extension direction of the rail, so as to adjust the horizontal position of the polishing mechanism.

[0098] The up-down moving mechanism of the polishing device 21 includes a second servo motor 2121, a second lead screw 2122 and a second sliding table 2123.

[0099] The first sliding table 2113 is provided with a vertically arranged sliding rail.

[0100] The second servo motor 2121 and the second lead screw 2122 are respectively arranged on the first sliding table 2113, the motor shaft of the second servo motor 2121 is in transmission connection with the top end of the second lead screw 2122 through a shaft coupling, and the second servo motor 2121 is used to drive the second lead screw 2122 to rotate.

[0101] The second sliding table 2123 is slidably arranged on the sliding rail of the first sliding table 2113, and the second sliding table 2123 is engaged on the second lead screw 2122 through a sliding block. When the second lead screw 2122 rotates, the second sliding table 2123 moves up and down, so as to adjust the height of the polishing mechanism.

[0102] The rotating mechanism includes a third servo motor 2131, a speed reducer 2132 and a fixed plate 2133.

[0103] The third servo motor 2131 and the speed reducer 2132 are arranged on the second sliding table 2123, the motor shaft of the third servo motor 2131 is connected with the input end of the speed reducer 2132, the output end of the speed reducer 2132 is fixedly connected with the fixed plate 2133, and the third servo motor 2131 drives the fixed plate 2133 to rotate through the speed reducer 2132, so as to adjust the angle of the polishing mechanism.

[0104] The polishing mechanism comprises a polishing motor 2141 and a polishing wheel 2142.

[0105] The polishing motor 2141 is arranged on the fixed plate 2133 of the rotating mechanism, the motor shaft of the polishing motor 2141 is in transmission connection with the polishing wheel 2142, the polishing motor 2141 is used for driving the polishing wheel 2142 to rotate, and the polishing wheel 2142 polishes the rail 100 when rotating.

[0106] Through the structural combination of the embodiment, the horizontal position, the up-down position (height), and the angle of the polishing wheel relative to the rail are adjusted. Therefore, when the power car moves along the rail, the polishing wheel realizes the sequential polishing of the different angles of the circular surface and the side surface of the rail.

[0107] Further, the rail online polishing equipment in the embodiment further comprises a floating force control mechanism 2143.

[0108] The floating force control mechanism 2143 is arranged on the fixed plate 2133 of the rotating mechanism, and the floating force control mechanism 2143 rotates together with the fixed plate 2133 when the fixed plate 2133 rotates.

[0109] The polishing motor 2141 of the polishing mechanism is arranged on the sliding plate of the floating force control mechanism 2143.

[0110] The patent with the publication number CN113732781A has been applied for by the company for the floating force control mechanism 2143, and the detailed structure is not described again.

[0111] In the embodiment, the polishing mechanism is arranged on the floating force control mechanism 2143, the polishing force of the polishing wheel 2142 on the rail is controlled and adjusted through the floating force control mechanism 2143, the polishing pressure of the polishing wheel 2142 during polishing is kept constant, the constant force polishing of the rail is realized, and the polishing precision and the polishing quality of the rail are further improved.

[0112] Optionally, as shown in Figure 7 The rail abutting device 22 of the rail online polishing equipment in the embodiment comprises a telescopic air cylinder 221, a connecting bracket 222, a roller 223, a fixed seat 224, a movable seat 225, a sliding rod 226, a guide sleeve 227, and a spring 228.

[0113] The support platform 11 of the power vehicle 1 is provided with a sliding groove (not shown in the figure) penetrating from top to bottom.

[0114] The connecting bracket 222 is slidably arranged in the sliding groove of the support platform 11, and the top end of the connecting bracket 222 is connected with the movable rod of the telescopic cylinder 221. The telescopic movement of the movable rod of the telescopic cylinder 221 drives the connecting bracket 222 to move away from and / or close to the rail 100.

[0115] The fixed seat 224 is arranged at the bottom end of the connecting bracket 222.

[0116] The fixed seat 224 is provided with a sliding channel 2241, and the guide sleeve 227 is fixedly arranged on the fixed seat 224 and arranged in the sliding channel 2241 of the fixed seat 224.

[0117] One end of the sliding rod 226 is slidably arranged in the guide sleeve 227 and the sliding channel 2241 of the fixed seat 224, and the other end of the sliding rod 226 is connected with the movable seat 225.

[0118] The sliding rod 226 is provided with a convex ring, and the convex ring of the sliding rod 226 is located in the sliding channel 2241 of the fixed seat 224.

[0119] The spring 228 is arranged in the sliding channel 2241 of the fixed seat 224, and the left and right ends of the spring 228 abut against the fixed seat 224 and the convex ring of the sliding rod 226 respectively, and the convex ring of the sliding rod 226 abuts against the end face of the guide sleeve 227.

[0120] The roller 223 is rotatably arranged on the movable seat 225 through a bearing, and the roller 223 is arranged adjacent to the grinding wheel 2142 of the grinding mechanism. The roller 223 abuts against the side wall of the rail, and when the power vehicle 1 moves along the rail, the roller 223 rolls along the side wall of the rail, so that the grinding wheel 2142 moves along the extension direction of the rail.

[0121] In the embodiment, under the action of the telescopic cylinder, the roller abuts against the side wall of the rail. When the power vehicle moves along the rail, the roller always abuts against and rolls along the rail under the action of the spring, so as to realize the auxiliary guiding of the grinding wheel. Whether the rail extends linearly or curvedly, the grinding wheel can move along the extension direction of the rail, so as to ensure the grinding precision of the rail.

[0122] Optionally, the rail online grinding device in the embodiment further comprises a dust removal mechanism 3.

[0123] The dust removal mechanism 3 comprises a dust collector 32, an air extractor and a connecting hose.

[0124] The dust collector 32 is arranged on the support platform 11.

[0125] A connecting hose (not shown in the figure) is arranged on the support platform 11, one end of the connecting hose is connected with the dust collector 32, and the other end of the connecting hose is located at the polishing wheel 2412.

[0126] An air extractor (not shown in the figure) is connected with the connecting hose.

[0127] In this embodiment, when the polishing wheel polishes the steel rail, the air extractor is used to suck the polishing debris, dust and other sundries generated during polishing into the dust collector 32 for collection and storage, so as to keep the power car and each execution mechanism on the power car clean and purify the working environment.

[0128] Further, in the steel rail on-line polishing device in this embodiment, the dust removal mechanism 3 comprises a dust collecting hood 31.

[0129] The number of the dust collecting hoods 31 corresponds to the number of the polishing wheels 2142, the dust collecting hoods 31 are arranged on the support platform 11 and located close to the polishing wheels 2142. The dust collecting hoods 31 are arranged on one side of the polishing wheels 2142, and the openings of the dust collecting hoods 31 are arranged towards the polishing wheels 2142.

[0130] The other end of the connecting hose is connected with the air outlet sleeve 311 of the dust collecting hood 31. The dust collecting hood is used to expand the collection area of the polishing debris and dust, so as to make the environment cleaner.

[0131] Further, as shown in Figure 1 and Figure 3 , in the steel rail on-line polishing device in this embodiment, the polishing module 2 is provided with multiple pairs.

[0132] The two polishing modules 2 of each pair are symmetrically arranged on the two sides of the support platform 11 and correspond to the two steel rails 100 of the track.

[0133] The multiple pairs of polishing modules 2 are arranged in front of and behind each other on the support platform 11 of the power car 1 along the extension direction of the steel rail.

[0134] The polishing module 2 of each pair and the support platform are combined into a polishing unit, and the support platform of each polishing unit can be spliced on the support platform of the power car.

[0135] In this embodiment, the polishing module and the support platform are combined into a polishing unit. According to actual needs, the polishing unit (polishing module) can be provided with multiple pairs. When the power car moves, the polishing wheels of the multiple polishing modules can polish multiple angles of the steel rail at the same time, so as to realize the reduction of the forward and backward reciprocating times of the power car under the condition that the steel rail is polished at the same number of angles. That is, if the polishing module on the power car is provided with N pairs, then the running times of the power car = the number of angles of the steel rail that need to be polished / N.

[0136] As shown in Figure 1 and Figure 3The two pairs of polishing modules 2 are arranged on the power vehicle, and the polishing modules can polish two angles of the rail simultaneously when the power vehicle moves each time, so that the number of movements of the polishing vehicle is the number of angles of the rail to be polished divided by 2.

[0137] Each pair of polishing modules is an independent working unit and can be spliced on the support platform of the power vehicle at any time, so that the installation is convenient and fast.

[0138] Further, the power vehicle 1 of the rail on-line polishing device is provided with a driving motor 12 and a driving roller 13.

[0139] The driving roller 13 is arranged at the bottom of the support platform 11 of the power vehicle 1.

[0140] The driving roller 13 is provided with a plurality of pairs, and each pair of driving rollers 13 is symmetrically arranged on the two sides of the power vehicle 1 and clamped on the two rails 100 of the track.

[0141] The driving motor 12 is arranged on the support platform 11, the motor shaft of the driving motor 12 is in transmission connection with the driving roller 13, the driving motor 12 is electrically connected with the control mechanism, and the driving motor 12 is used for driving the driving roller 13 to rotate, so that the power vehicle 1 moves forward and backward along the rail 100.

[0142] The rail on-line polishing device of the utility model, the use method comprises the following steps:

[0143] S1, the power vehicle is installed on the rail to be polished.

[0144] S2, the power vehicle automatically moves along the rail, and the polishing mechanism simultaneously polishes the two rails of the track when the power vehicle moves. Specifically, it comprises:

[0145] S21, when the power vehicle automatically moves along the rail in the forward direction (moves forward), the polishing mechanism simultaneously polishes the first angle of the two rails of the track.

[0146] S22, when the power vehicle automatically moves along the rail in the reverse direction (moves backward), the polishing mechanism simultaneously polishes the second angle of the two rails of the track.

[0147] S3, repeat steps S21 and S22 until the polishing work of all angles of the rail is completed.

[0148] Specifically, the power vehicle moves back and forth along the rail continuously, the polishing mechanism polishes different angles of the rail arc surface continuously, and the polishing work of all angles of the rail arc surface on both sides of the track is completed.

[0149] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can be that the first feature and the second feature are in direct contact, or the first feature and the second feature are in indirect contact through an intermediate medium.

[0150] Moreover, the first feature is "on", "above" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature is "under", "below" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0151] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0152] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An online rail grinding device, characterized in that, include: Power unit, grinding module, and control mechanism; The power vehicle is set on the rails that need to be ground and can move back and forth along the rails; The power vehicle is equipped with a support platform; At least two grinding modules are provided, and the two grinding modules are symmetrically arranged on the support platform; The polishing module includes: a polishing device and a guide rail device; The polishing device includes: a horizontal moving mechanism, a vertical moving mechanism, a rotating mechanism, and a polishing mechanism; The horizontal moving mechanism is mounted on the support platform, the vertical moving mechanism is mounted on the horizontal moving mechanism, the rotating mechanism is mounted on the vertical moving mechanism, and the grinding mechanism is mounted on the rotating mechanism, so that the grinding mechanism can move horizontally, vertically, and rotate relative to the rail, and is used to grind the rail when the power vehicle moves. The rail-aligning device abuts against the side wall of the rail. When the power vehicle moves, the rail-aligning device rolls along the rail to make the grinding mechanism move along the rail. The control mechanism is mounted on the support platform, and the power vehicle, the grinding device, and the rail-mounting device are electrically connected to the control mechanism.

2. The grinding equipment according to claim 1, characterized in that, Also includes: Electricity supply organizations and gas supply organizations; The power supply mechanism and the gas supply mechanism are mounted on the support platform and electrically connected to the control mechanism, respectively for supplying power and gas.

3. The grinding equipment according to claim 1, characterized in that, The horizontal movement mechanism includes: a first servo motor, a first lead screw, and a first slide table; The first servo motor and the first lead screw are mounted on the support platform. The first servo motor is connected to the first lead screw through a coupling and is used to drive the first lead screw to rotate. The first slide is slidably mounted on the slide rail of the support platform and engages with the first lead screw; The up-and-down moving mechanism includes: a second servo motor, a second lead screw, and a second slide table; The second servo motor and the second lead screw are mounted on the first slide. The second servo motor is connected to the second lead screw via a coupling and is used to drive the second lead screw to rotate. The second slide is slidably mounted on the slide rail of the first slide and engages with the second lead screw; The rotating mechanism includes: a third servo motor, a reducer, and a fixed plate; The third servo motor is mounted on the second slide and connected to the fixed plate via the reducer, and is used to drive the fixed plate to rotate; The polishing mechanism includes: a polishing motor and a polishing wheel; The grinding motor is mounted on the fixed plate and connected to the grinding wheel, which drives the grinding wheel to rotate. The grinding wheel is used to grind the rail when it rotates.

4. The grinding equipment according to claim 3, characterized in that, The polishing mechanism also includes: a floating force control mechanism; The floating force control mechanism is mounted on the fixed plate, and the grinding motor is mounted on the sliding plate of the floating force control mechanism. The floating force control mechanism is used to keep the grinding pressure of the grinding wheel constant, so as to achieve constant force grinding.

5. The grinding equipment according to claim 3, characterized in that, The rail-aligning device includes: a telescopic cylinder, a connecting bracket, a fixed seat, a movable seat, a slide rod, a guide sleeve, a spring, and a roller; The support platform is equipped with a sliding groove; The telescopic cylinder is mounted on the support platform; The connecting bracket is slidably inserted into the slide groove and connected to the telescopic cylinder; The fixing base is mounted on the connecting bracket; The fixed base is provided with a slide rail, and the guide sleeve is disposed on the fixed base; The slide rod is slidably inserted into the guide sleeve and connected to the movable seat. The slide rod is provided with a protruding ring for abutting against the guide sleeve. The spring is disposed in the slide rail and abuts against the fixed seat and the convex ring respectively; The roller is rotatably mounted on the movable seat and is used to abut against the side wall of the rail, so that the grinding wheel can move along the extension direction of the rail.

6. The grinding equipment according to claim 3, characterized in that, It also includes dust removal mechanisms; The dust removal mechanism includes: an exhaust fan, a connecting hose, and a dust collector; The dust collector is mounted on the support platform; One end of the connecting hose is connected to the air outlet sleeve of the dust collector, and the other end is located at the grinding wheel; The exhaust fan is connected to the connecting hose and is used to draw the grinding debris into the dust collector.

7. The grinding equipment according to claim 6, characterized in that, The dust removal mechanism also includes: a dust collection hood; The dust collection hood is mounted on the support platform, and the opening of the dust collection hood faces the grinding wheel; The connecting hose is connected to the air outlet sleeve of the dust collection hood.

8. The grinding equipment according to claim 1, characterized in that, The polishing module is provided with multiple pairs; Each pair of the grinding modules and the support platform are combined to form a grinding unit, which can be spliced ​​onto the power vehicle; Multiple grinding modules are arranged along the extension direction of the rail to achieve simultaneous grinding of the rail at multiple angles.

9. The grinding equipment according to any one of claims 1 to 8, characterized in that, The power vehicle is equipped with a drive motor and drive rollers; The drive motor and the drive roller are mounted on the support platform. The drive roller is connected to the drive motor and is used to be engaged with the rail.

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