Steel rail online grinding method and grinding equipment

Abstract

The invention relates to the technical field of steel rail grinding, and discloses a steel rail online grinding method and grinding equipment. According to the polishing method, polishing equipment is utilized, the polishing equipment comprises a power vehicle, polishing modules and a control mechanism, the two polishing modules are symmetrically arranged on a supporting platform of the power vehicle and comprise a polishing device and a rail leaning device, and the 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. During use, the grinding equipment is arranged on a steel rail needing to be ground, when the motor vehicle reciprocates on the steel rail, the grinding mechanism grinds the steel rail at different angles until grinding operation on all the angles of the steel rail is completed, full-automatic grinding of the steel rail is achieved, manual participation is not needed, the grinding speed is high, and 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 embodiments of the present invention relate to the technical field of rail grinding, and in particular to an online rail grinding method and grinding equipment. Background Art

[0002] Railway tracks are composed of two steel rails. The development of my country's railways is constantly improving with the growth of the national economy. Railway transportation has a series of characteristics such as economy, convenience and safety.

[0003] The top of the rail is arc-shaped, and the rollers of the train carriages are clamped on the rail. Railway rails carry a large weight. After a certain period of use, the rails will wear out and cause surface defects such as unevenness or rust. In order to improve the safety of railway operation, it is necessary to grind the rails from time to time to eliminate the surface defects of the rails, so as to extend the service life of the rails and ensure the safety of train operation.

[0004] The inventors of the present application have discovered that since the rails are laid and installed on tracks and their top surfaces are arc-shaped, it is inconvenient to grind them. Currently, they are generally ground manually in China, which is inefficient and difficult to guarantee in terms of grinding accuracy and quality. Although there are large-scale machines abroad that can completely grind the rails at one time, they are expensive and, when problems occur, it is difficult to repair and maintain the equipment. Summary of the invention

[0005] The object of the present invention is to provide a rail online grinding method and a grinding device, which can automatically grind the rails to solve the problems in the above-mentioned background technology.

[0006] The embodiment of the present invention provides a method for online grinding of rails, using a grinding device, wherein the grinding device is provided with a grinding device, and comprises the following steps:

[0007] S1, grinding equipment is installed on two rails of the track;

[0008] S2. The grinding equipment automatically moves along the rails, and the grinding device grinds the rails, including:

[0009] S21, when the grinding device moves forward along the rail, the grinding device grinds the first angle of the two rails simultaneously;

[0010] S22, when the grinding device moves in the reverse direction along the rail, the grinding device grinds the second angle of the two rails simultaneously;

[0011] S3. Repeat steps S21 and S22 until the grinding operation of all angles of the rail is completed.

[0012] In a feasible solution, there are multiple grinding devices, and when the grinding equipment is moving, the multiple grinding devices grind multiple angles of the rail simultaneously.

[0013] The embodiment of the present invention also provides a grinding device that can implement the rail online grinding method as described in the above design, including: a power car, a grinding module and a control mechanism;

[0014] The power car is arranged on the track rails to be polished and can move back and forth along the rails;

[0015] The power vehicle is provided with a supporting platform;

[0016] There are at least two polishing modules, and the two polishing modules are symmetrically arranged on the supporting platform;

[0017] The grinding module comprises: a grinding device and a rail-supporting device;

[0018] The grinding device comprises: a horizontal moving mechanism, an up and down moving mechanism, a rotating mechanism and a grinding mechanism;

[0019] The horizontal moving mechanism is arranged on the supporting 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 grinding mechanism is arranged on the rotating mechanism, so that the grinding mechanism can move horizontally, up-down and rotate relative to the rail, and is used to grind the rail when the power vehicle moves;

[0020] The rail leaning device is against the side wall of the rail, and when the power vehicle moves, the rail leaning device rolls along the rail to make the grinding mechanism move along the rail;

[0021] The control mechanism is arranged on the supporting platform, and the power vehicle, the grinding device and the rail-supporting device are electrically connected to the control mechanism respectively.

[0022] Based on the above scheme, it can be known that the rail online grinding equipment of the present invention is provided with a power car, a grinding module and a control mechanism. The power car is provided on the track rail to be ground, and two grinding modules are provided on both sides of the support platform of the power car. The grinding module includes: a grinding device and a rail-resting device. The grinding device includes: a horizontal moving mechanism, an up-and-down moving mechanism, a rotating mechanism and a grinding mechanism. The rail-resting device is against the rail. The rail online grinding equipment of the present invention, the grinding mechanism can move horizontally and up-and-down relative to the rail, and can rotate relative to the rail. When in use, it is controlled by a PLC control mechanism. When the power car moves forward along the rail, the control mechanism lowers the grinding wheel of the grinding mechanism to contact the upper surface of the rail through the up-and-down moving mechanism, and the grinding wheel rotates to achieve grinding of an angle on the surface of the rail; when the power car 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 achieve grinding of the second angle on the surface of the rail. When the power car moves back and forth many 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 operation of all angles of the arc-shaped top surface and side surface of the rail is completed. The grinding equipment of the present invention can realize the full-automatic grinding of the rail online without manual participation, and has a small size, fast grinding speed, high grinding quality and precision, which greatly saves human resources while improving the grinding quality and efficiency.

[0023] In a feasible solution, it also includes: a power supply mechanism and a gas supply mechanism;

[0024] The power supply mechanism and the gas supply mechanism are arranged on the support platform, electrically connected to the control mechanism, and are used for supplying power and gas respectively.

[0025] In a feasible solution, the horizontal movement mechanism includes: a first servo motor, a first screw rod and a first slide;

[0026] The first servo motor and the first screw rod are arranged on the support platform, and the first servo motor is connected to the first screw rod through a coupling to drive the first screw rod to rotate;

[0027] The first slide table is slidably disposed on the slide rail of the support platform and is engaged with the first screw rod;

[0028] The up-and-down moving mechanism comprises: a second servo motor, a second screw rod and a second slide;

[0029] The second servo motor and the second screw rod are arranged on the first slide, and the second servo motor is connected to the second screw rod through a coupling to drive the second screw rod to rotate;

[0030] The second slide table is slidably arranged on the slide rail of the first slide table and is engaged with the second screw rod;

[0031] The rotating mechanism comprises: a third servo motor, a reducer and a fixing plate;

[0032] The third servo motor is arranged on the second slide, connected to the fixed plate through the reducer, and is used to drive the fixed plate to rotate;

[0033] The grinding mechanism comprises: a grinding motor and a grinding wheel;

[0034] The grinding motor is arranged on the fixed plate, connected to the grinding wheel, and used for driving the grinding wheel to rotate. The grinding wheel is used for grinding the rail when rotating.

[0035] In a feasible solution, the grinding mechanism further includes: a floating force control mechanism;

[0036] The floating force control mechanism is arranged on the fixed plate, the grinding motor is arranged on the sliding plate of the floating force control mechanism, and the floating force control mechanism is used to keep the grinding pressure of the grinding wheel constant to achieve constant force grinding.

[0037] In a feasible solution, the rail-supporting device includes: a telescopic cylinder, a connecting bracket, a fixed seat, a movable seat, a sliding rod, a guide sleeve, a spring and a roller;

[0038] The support platform is provided with a slide groove;

[0039] The telescopic cylinder is arranged on the supporting platform;

[0040] The connecting bracket is slidably arranged in the sliding groove and connected to the telescopic cylinder;

[0041] The fixing seat is arranged on the connecting bracket;

[0042] The fixing seat is provided with a slideway, and the guide sleeve is arranged on the fixing seat;

[0043] The slide rod is slidably arranged in the guide sleeve and connected to the movable seat, and the slide rod is provided with a convex ring;

[0044] The spring is arranged in the slideway and respectively abuts against the fixing seat and the convex ring;

[0045] The roller is rotatably arranged on the movable seat and is used for abutting against the side wall of the rail so that the grinding wheel moves along the rail.

[0046] In a feasible solution, a dust removal mechanism is also included;

[0047] The dust removal mechanism comprises: an exhaust fan, a connecting hose, a dust collecting hood and a dust collector;

[0048] The dust collector and the dust hood are arranged on the supporting platform, and the dust hood is located at the grinding wheel;

[0049] One end of the connecting hose is connected to the air outlet sleeve of the dust collecting hood, and the other end is connected to the dust collector;

[0050] The exhaust fan is connected to the connecting hose and is used to suck the grinding chips into the dust collector.

[0051] In a feasible solution, the polishing modules are provided in multiple pairs;

[0052] Each pair of the grinding modules and the supporting platform are combined into a grinding unit, which can be spliced ​​on the power vehicle;

[0053] A plurality of pairs of the grinding modules are arranged along the extension direction of the rail to achieve grinding of the rail at multiple angles simultaneously.

[0054] In a feasible solution, the power vehicle is provided with a driving motor and a driving roller;

[0055] The driving motor and the driving roller are arranged on the supporting platform; the driving roller is connected to the driving motor and is used for being clamped on the rail.

[0056] Compared with the prior art, the present invention has the following beneficial effects:

[0057] 1. When the power car moves back and forth on the rails, the grinding mechanism grinds the rails at different angles to improve the grinding efficiency.

[0058] 2. The power vehicle is equipped with power supply mechanism and gas supply mechanism, which can provide power and high-pressure gas to each actuator to meet the requirements of different working environments and is more convenient for field use.

[0059] 3. The grinding wheel can be accurately guided by the rail-supporting device. Whether the rail is straight or curved, the grinding wheel can be moved along the extension direction of the rail to ensure grinding accuracy.

[0060] 4. The grinding mechanism is arranged on the floating force control mechanism, so that the grinding pressure of the grinding wheel on the rail is kept constant when grinding, so as to realize constant force grinding and further improve the grinding quality and precision of the rail.

[0061] 5. The grinding unit is modularized, and each grinding unit can be spliced ​​on the power vehicle, which can not only miniaturize the grinding equipment and reduce the equipment cost, but also conveniently add grinding units as needed to improve the grinding efficiency and reduce the number of reciprocating times of the power vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0063] Figure 1 It is a schematic diagram of an online rail grinding device in Embodiment 2 of the present invention;

[0064] Figure 2 For the second embodiment of the present invention Figure 1 The enlarged view of A in FIG.

[0065] Figure 3 is a schematic diagram of a polishing module in Embodiment 2 of the present invention;

[0066] Figure 4 is a schematic diagram of a grinding device in a second embodiment of the present invention;

[0067] Figure 5 It is a schematic diagram of another angle of the grinding device in the second embodiment of the present invention;

[0068] Figure 6 is a schematic diagram of a grinding mechanism in Embodiment 2 of the present invention;

[0069] Figure 7 It is a schematic diagram of the rail-supporting device in the second embodiment of the present invention.

[0070] Numbers in the figure:

[0071] 1. Power car; 11. Support platform; 12. Drive motor; 13. Drive roller; 2. Grinding module; 21. Grinding device; 2101. Coupling; 2111. First servo motor; 2112. First screw rod; 2113. First slide; 2121. Second servo motor; 2122. Second screw rod; 2123. Second slide; 2131. Third servo motor; 2132. Reducer; 2133 , fixed plate; 2141, grinding motor; 2142, grinding wheel; 2143, floating force control mechanism; 22, rail-resting device; 221, telescopic cylinder; 222, connecting bracket; 223, roller; 224, fixed seat; 225, movable seat; 226, sliding rod; 227, guide sleeve; 228, spring; 3, dust removal mechanism; 31, dust hood; 311, air outlet sleeve; 32, dust collector; 100, rail. DETAILED DESCRIPTION

[0072] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0073] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0074] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0075] The technical solution of the present invention is described in detail with specific embodiments below. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0076] As described in the background technology of this application, the top of the railway rail is arc-shaped, and the rollers of the train carriages are clamped on the rails. The railway rails carry a large weight, and after a certain period of use, the railway rails will wear and cause surface unevenness or rust and other defects. In order to improve the safety of railway operation, it is necessary to grind the rails from time to time to eliminate the surface defects of the rails, so as to extend the service life of the rails and ensure the safety of train operation.

[0077] The inventor of the present application has found that since the rails are laid on tracks and their top surfaces are arc-shaped, it is inconvenient to grind the rails. Currently, they are generally ground manually, which is inefficient and difficult to ensure grinding accuracy and quality.

[0078] In order to solve the above problems, the inventor of the present application proposed the technical solution of the present application, and the specific embodiments are as follows:

[0079] Embodiment 1

[0080] The invention provides an online rail grinding method, which utilizes grinding equipment. Grinding devices (a pair) are arranged on both sides of the grinding equipment. The grinding devices on both sides of the grinding equipment correspond to two rails of the track.

[0081] The rail online grinding method of this embodiment includes the following steps:

[0082] S1. Install the grinding equipment on the track rail that needs to be ground.

[0083] S2. The grinding equipment automatically moves along the rails. When the grinding equipment moves, the grinding device grinds the two rails of the track at the same time. Specifically including:

[0084] S21, when the grinding equipment automatically moves in the positive direction (forward) along the track rail, the grinding devices on both sides of the grinding equipment simultaneously grind the first angle of the two rails of the track.

[0085] S22. When the grinding equipment automatically moves in the opposite direction (backward) along the track rails, the grinding devices on both sides of the grinding equipment grind the second angles of the two rails of the track simultaneously.

[0086] S3. Repeat steps S21 and S22 until the grinding operation of all angles of the rail is completed.

[0087] Specifically, the grinding equipment continuously moves back and forth along the track rails, and the grinding device continuously grinds the different angles of the arc surface of the rails until all the different angles of the arc top and side surfaces of the rails on both sides of the track are completed.

[0088] In this embodiment, the rail is automatically polished by the polishing equipment, and the polishing equipment can automatically reciprocate on the rail. Each time the polishing equipment moves, the polishing device of the polishing equipment can automatically polish an angle of the rail. The polishing equipment finally completes the polishing operation of all angles of the top and side surfaces of the circular arc of the rail through multiple reciprocating motions. The rail is polished quickly and efficiently, and the polishing quality and precision of the rail are improved.

[0089] Furthermore, in the rail online grinding method of this embodiment, a plurality of pairs of grinding devices are provided on the grinding equipment, and the plurality of pairs of grinding devices are arranged front and back on the grinding equipment, and the two grinding devices of each pair are symmetrically arranged on both sides of the grinding equipment.

[0090] Each time the grinding equipment moves, multiple pairs of grinding devices can grind multiple different angles of the rails at the same time, thereby reducing the number of back and forth reciprocating times of the grinding equipment while grinding the same number of angles of the rails.

[0091] Specifically, if the grinding device of the grinding equipment is provided with N pairs, the number of operations of the grinding equipment = the number of angles of the rails that need to be ground / N, thereby reducing the number of back and forth reciprocating times of the grinding equipment.

[0092] Embodiment 2

[0093] Figure 1 is a schematic diagram of an online rail grinding device in Embodiment 2 of the present invention, Figure 2 For the second embodiment of the present invention Figure 1 The enlarged view of A in Figure 3 is a schematic diagram of a polishing module in the second embodiment of the present invention, Figure 4 is a schematic diagram of a grinding device in Embodiment 2 of the present invention, Figure 5 is a schematic diagram of another angle of the grinding device in the second embodiment of the present invention, Figure 6 is a schematic diagram of a grinding mechanism in Embodiment 2 of the present invention; Figure 7 It is a schematic diagram of the rail-supporting device in the second embodiment of the present invention.

[0094] The present invention also provides an on-line rail grinding device capable of implementing the on-line rail grinding method in the above-mentioned embodiment.

[0095] like Figures 1 to 7 As shown, the rail online grinding equipment of this embodiment includes: a power car 1, a grinding module 2 and a control mechanism.

[0096] The power car 1 is arranged on the track rails to be polished, and the power car 1 can automatically move back and forth along the track rails.

[0097] The power vehicle 1 is provided with a supporting platform 11 .

[0098] At least two (a pair) grinding modules 2 are provided. The two grinding modules 2 are arranged on the support platform 11 of the power vehicle 1 and are arranged on both sides of the support platform 11 in a mirror-symmetrical manner. The two grinding modules 2 correspond to the two rails 100 on the track respectively.

[0099] Each grinding module 2 comprises a grinding device 21 and a rail-supporting device 22 .

[0100] The grinding device 21 of the grinding module 2 includes: a horizontal moving mechanism, an up and down moving mechanism, a rotating mechanism and a grinding mechanism.

[0101] The horizontal moving mechanism is arranged on the supporting platform 11 of the power car 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 grinding mechanism is arranged on the rotating mechanism, so that the grinding mechanism of the grinding device 21 can move horizontally, move up-down, and rotate relative to the supporting platform 11, that is, the grinding mechanism can move horizontally, move up-down, and rotate relative to the rail 100, so that when the power car 1 moves back and forth along the rail 100, the grinding mechanism of the grinding device 21 can grind different angles of the arc surface of the rail.

[0102] The rail-supporting device 22 of the grinding module 2 is arranged on the supporting platform 11 and is used to abut against the outer side wall of the track rail 100, and the rail-supporting device 22 is arranged close to the grinding mechanism. When the power vehicle 1 moves along the rail, the rail-supporting device 22 can slide along the rail, thereby guiding the grinding mechanism. Whether the rail is straight or curved, the rail-supporting device 22 enables the grinding mechanism of the grinding device 21 to move along the extension direction of the rail, thereby realizing accurate grinding of the rail.

[0103] The control mechanism is arranged on the supporting platform 11 of the power vehicle 1. The power vehicle 1, the rail support device 22, and the horizontal moving mechanism, the vertical moving mechanism, the rotating mechanism and the grinding mechanism of the grinding device 21 are electrically connected to the control mechanism respectively. The control mechanism controls each actuator to perform corresponding preset actions according to a preset program to realize automatic, fast and precise grinding of the rails.

[0104] In this embodiment, when the power car moves along the rail, the control mechanism lowers the grinding mechanism to contact the arc surface of the rail through the up and down moving mechanism, and the grinding mechanism is started to grind the first angle of the arc surface of the rail.

[0105] When the power car moves backward along the rail, the control mechanism adjusts the horizontal position of the grinding mechanism relative to the rail through the horizontal movement mechanism, and adjusts the angle of the grinding mechanism relative to the rail through the rotation mechanism, and then the grinding mechanism is started to achieve the second angle grinding of the arc surface of the rail.

[0106] When the power car moves back and forth many times, the control mechanism controls the grinding mechanism to continuously adjust the position and angle, so that the grinding mechanism grinds multiple angles of the arc surface of the rail in sequence until the grinding operation of all angles of a rail is completed.

[0107] Then, the power car moves to the next rail (next section) that needs to be polished to continue polishing the rail.

[0108] Optionally, the rail online grinding equipment in this embodiment further includes: a power supply mechanism and a gas supply mechanism.

[0109] The power supply mechanism (not shown in the figure) may be a generator set, a power battery, etc., and the gas supply mechanism (not shown in the figure) may be a high-pressure gas cylinder, etc.

[0110] 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 to the control mechanism respectively.

[0111] In this embodiment, the power supply mechanism can provide power to each actuator, and the gas supply mechanism can provide high-pressure gas to each actuator to adapt to the working requirements of the field environment, making the use of the grinding equipment more flexible. Of course, if conditions permit, each actuator can also be electrically connected to an external power system and powered by the external power system.

[0112] Optional, such as Figure 4 , Figure 5 and Figure 6 As shown, in the rail online grinding equipment in this embodiment, the horizontal moving mechanism of the grinding device 21 includes: a first servo motor 2111, a first screw rod 2112 and a first slide 2113.

[0113] The first servo motor 2111 and the first screw rod 2112 are respectively arranged on the support platform 11 of the power vehicle 1. The motor shaft of the first servo motor 2111 is transmission-connected to one end of the first screw rod 2112 via a coupling 2101. The first servo motor 2111 is used to drive the first screw rod 2112 to rotate.

[0114] A slide rail is provided on the top surface of the supporting platform 11 .

[0115] The first slide 2113 is slidably arranged on the slide rail of the support platform 11 through a slider, and the first slide 2113 is engaged with the first screw rod 2112 through the slider. When the first screw rod 2112 rotates, the first slide 2113 moves horizontally in a direction perpendicular to the extension direction of the rail to adjust the horizontal position of the grinding mechanism.

[0116] The up-and-down moving mechanism of the polishing device 21 includes: a second servo motor 2121 , a second screw rod 2122 and a second slide table 2123 .

[0117] The first slide 2113 is provided with a vertically arranged slide rail.

[0118] The second servo motor 2121 and the second screw rod 2122 are respectively arranged on the first slide 2113 , and the motor shaft of the second servo motor 2121 is drivingly connected to the top end of the second screw rod 2122 via a coupling, and the second servo motor 2121 is used to drive the second screw rod 2122 to rotate.

[0119] The second slide 2123 is slidably arranged on the slide rail of the first slide 2113, and the second slide 2123 is engaged with the second screw rod 2122 through a slider. When the second screw rod 2122 rotates, the second slide 2123 moves up and down to adjust the height of the grinding mechanism.

[0120] The rotating mechanism includes: a third servo motor 2131 , a reducer 2132 and a fixing plate 2133 .

[0121] The third servo motor 2131 and the reducer 2132 are arranged on the second slide 2123. The motor shaft of the third servo motor 2131 is connected to the input end of the reducer 2132, and the output end of the reducer 2132 is fixedly connected to the fixed plate 2133. The third servo motor 2131 drives the fixed plate 2133 to rotate through the reducer 2132 to adjust the angle of the grinding mechanism.

[0122] The grinding mechanism includes a grinding motor 2141 and a grinding wheel 2142 .

[0123] The grinding motor 2141 is disposed on the fixed plate 2133 of the rotating mechanism. The motor shaft of the grinding motor 2141 is in driving connection with the grinding wheel 2142. The grinding motor 2141 is used to drive the grinding wheel 2142 to rotate. The grinding wheel 2142 grinds the rail 100 when rotating.

[0124] Through the structural combination of this embodiment, the horizontal position, vertical position (height), and angle of the grinding wheel relative to the rail can be adjusted. Therefore, when the power car moves along the rail, the grinding wheel can grind the arc surface and side surface of the rail at different angles in sequence.

[0125] Furthermore, the rail online grinding device in this embodiment, the grinding mechanism also includes: a floating force control mechanism 2143.

[0126] The floating force control mechanism 2143 is disposed on the fixed plate 2133 of the rotating mechanism. When the fixed plate 2133 rotates, the floating force control mechanism 2143 rotates along with the fixed plate 2133 .

[0127] The grinding motor 2141 of the grinding mechanism is arranged on the sliding plate of the floating force control mechanism 2143 .

[0128] The company has applied for a patent for the floating force control mechanism 2143, the publication number of which is CN113732781A, and its detailed structure will not be described here.

[0129] In this embodiment, the grinding mechanism is arranged on the floating force control mechanism 2143, and the grinding force of the grinding wheel 2142 on the rail is controlled and adjusted by the floating force control mechanism 2143, so that the grinding pressure of the grinding wheel 2142 during grinding is kept constant, thereby achieving constant force grinding of the rail, and further improving the grinding accuracy and grinding quality of the rail.

[0130] Optional, such as Figure 7 As shown, in the rail online grinding equipment of this embodiment, the rail leaning device 22 includes: a telescopic 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.

[0131] The supporting platform 11 of the power vehicle 1 is provided with a slide groove (not shown) penetrating from top to bottom.

[0132] The connecting bracket 222 is slidably arranged in the slide groove of the supporting platform 11 , and the top end of the connecting bracket 222 is connected to the movable rod of the telescopic cylinder 221 , and the telescopic movement of the movable rod of the telescopic cylinder 221 drives the connecting bracket 222 away from and / or close to the rail 100 .

[0133] The fixing seat 224 is disposed at the bottom end of the connecting bracket 222 .

[0134] The fixing seat 224 is provided with a slideway 2241 , and the guide sleeve 227 is fixedly disposed on the fixing seat 224 and penetrates into the slideway 2241 of the fixing seat 224 .

[0135] One end of the slide rod 226 is slidably disposed in the guide sleeve 227 and in the slideway 2241 of the fixed seat 224 , and the other end of the slide rod 226 is connected to the movable seat 225 .

[0136] The slide bar 226 is provided with a convex ring, and the convex ring of the slide bar 226 is located in the slideway 2241 of the fixing seat 224 .

[0137] The spring 228 is disposed in the slideway 2241 of the fixed seat 224 , and the left and right ends of the spring 228 respectively abut against the fixed seat 224 and the convex rings of the slide bar 226 , and the convex ring of the slide bar 226 abuts against the end surface of the guide sleeve 227 .

[0138] 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 contacts and abuts against the side wall of the rail. When the power car 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.

[0139] In this embodiment, under the action of the telescopic cylinder, the roller contacts and abuts against the side wall of the rail. When the power car moves along the rail, under the action of the spring, the roller always keeps in contact with the rail and rolls along the rail to provide auxiliary guidance for the grinding wheel. Whether the rail extends in a straight line or in a curved direction, the grinding wheel can move along the extension direction of the rail to ensure the grinding accuracy of the rail.

[0140] Optionally, the rail online grinding equipment in this embodiment further includes: a dust removal mechanism.

[0141] The dust removal mechanism 3 includes a dust collecting hood 31, a dust collector 32, an exhaust fan and a connecting hose.

[0142] The dust collector 32 is disposed on the supporting platform 11 .

[0143] The number of dust hoods 31 corresponds to the number of grinding wheels 2142. The dust hoods 31 are arranged on the support platform 11, near the grinding wheels 2142. The dust hoods 31 are arranged on one side of the grinding wheels 2142, and the opening of the dust hoods 31 is arranged toward the grinding wheels 2142.

[0144] One end of the connecting hose (not shown) is connected to the dust collector 32 , and the other end of the connecting hose is connected to the air outlet sleeve 311 of the dust collecting cover 31 .

[0145] An exhaust fan (not shown) is connected to the connecting hose.

[0146] In this embodiment, when the grinding wheel is grinding the rail, the grinding chips, dust and other debris generated during the grinding are sucked into the dust collector 32 by the exhaust fan for collection and storage, so that the power car and the various actuators on the power car are kept clean and the working environment is purified.

[0147] Further, such as Figure 1 and Figure 3 As shown, in the rail online grinding equipment in this embodiment, the grinding modules 2 are provided with multiple pairs.

[0148] The two grinding modules 2 of each pair are symmetrically arranged on both sides of the support platform 11 , corresponding to the two rails 100 of the track.

[0149] A plurality of pairs of grinding modules 2 are arranged on the support platform 11 of the power vehicle 1 in a front-to-rear manner along the extension direction of the rail.

[0150] Each pair of grinding modules 2 is combined with the supporting platform to form a grinding unit, and the supporting platform of each grinding unit can be spliced ​​on the supporting platform of the power vehicle.

[0151] In this embodiment, the grinding module and the support platform are combined into a grinding unit. According to actual needs, the grinding unit (grinding module) can be provided with multiple pairs. When the power car is moving, the grinding wheels of multiple grinding modules can grind multiple angles of the rails at the same time, thereby reducing the number of back and forth reciprocating times of the power car when the rails are grinded at the same number of angles. That is, if there are N pairs of grinding modules on the power car, the number of operations of the power car = the number of angles that the rails need to be polished / N.

[0152] like Figure 1 and Figure 3 There are two pairs of grinding modules 2 in the middle. Each time the power car moves, the grinding modules can complete the grinding of two angles of the rail at the same time, so that the number of movements of the grinding car is: the number of angles of the rail that need to be ground / 2.

[0153] Moreover, each pair of grinding modules is an independent working unit and can be spliced ​​on the supporting platform of the power vehicle at any time, which makes installation convenient and easy.

[0154] Furthermore, in the rail online grinding equipment in this embodiment, the power vehicle 1 is provided with a driving motor 12 and a driving roller 13 .

[0155] The driving roller 13 is arranged at the bottom of the supporting platform 11 of the power vehicle 1 .

[0156] There are multiple pairs of driving rollers 13 , and each pair of driving rollers 13 is symmetrically arranged on both sides of the power vehicle 1 and clamped on two steel rails 100 of the track.

[0157] The drive motor 12 is arranged on the support platform 11 , the motor shaft of the drive motor 12 is transmission-connected to the drive roller 13 , and the drive motor 12 is electrically connected to the control mechanism, and the drive motor 12 is used to drive the drive roller 13 to rotate, so that the power vehicle 1 moves forward and backward along the rail 100 .

[0158] In the present invention, unless otherwise clearly specified and limited, a first feature being “on” or “under” a second feature may mean that the first feature and the second feature are in direct contact, or the first feature and the second feature are in indirect contact via an intermediate medium.

[0159] Moreover, the first feature being “above”, “above”, and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being “below”, “below”, and “below” the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0160] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0161] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rail online grinding method, using a grinding device, wherein the grinding device is provided with a grinding device, characterized in that: The following steps are involved: S1, grinding equipment is installed on two rails of the track; S2. The grinding equipment automatically moves along the rails, and the grinding device grinds the rails, including: S21, when the grinding device moves forward along the rail, the grinding device grinds the first angle of the two rails simultaneously; S22, when the grinding device moves in the reverse direction along the rail, the grinding device grinds the second angle of the two rails simultaneously; S3. Repeat steps S21 and S22 until the grinding operation of all angles of the rail is completed.

2. The rail online grinding method according to claim 1, characterized in that: There are multiple grinding devices, and when the grinding equipment is moving, the multiple grinding devices grind multiple angles of the rail at the same time.

3. A grinding device capable of implementing the rail online grinding method as claimed in claim 1, characterized in that: include: Power car, grinding module and control mechanism; The power car is arranged on the track rails to be polished and can move back and forth along the rails; The power vehicle is provided with a supporting platform; There are at least two polishing modules, and the two polishing modules are symmetrically arranged on the supporting platform; The grinding module comprises: a grinding device and a rail-supporting device; The grinding device comprises: a horizontal moving mechanism, an up and down moving mechanism, a rotating mechanism and a grinding mechanism; The horizontal moving mechanism is arranged on the supporting 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 grinding mechanism is arranged on the rotating mechanism, so that the grinding mechanism can move horizontally, up-down and rotate relative to the rail, and is used to grind the rail when the power vehicle moves; The rail leaning device is against the side wall of the rail, and when the power vehicle moves, the rail leaning device rolls along the rail to make the grinding mechanism move along the rail; The control mechanism is arranged on the supporting platform, and the power vehicle, the grinding device and the rail-supporting device are electrically connected to the control mechanism respectively.

4. The grinding device according to claim 3, characterized in that: Also includes: Electricity supply mechanism and gas supply mechanism; The power supply mechanism and the gas supply mechanism are arranged on the support platform, electrically connected to the control mechanism, and are used for supplying power and gas respectively.

5. The grinding device according to claim 3, characterized in that: The horizontal movement mechanism comprises: a first servo motor, a first screw rod and a first slide; The first servo motor and the first screw rod are arranged on the support platform, and the first servo motor is connected to the first screw rod through a coupling to drive the first screw rod to rotate; The first slide table is slidably disposed on the slide rail of the support platform and is engaged with the first screw rod; The up-and-down moving mechanism comprises: a second servo motor, a second screw rod and a second slide; The second servo motor and the second screw rod are arranged on the first slide, and the second servo motor is connected to the second screw rod through a coupling to drive the second screw rod to rotate; The second slide table is slidably arranged on the slide rail of the first slide table and is engaged with the second screw rod; The rotating mechanism comprises: a third servo motor, a reducer and a fixing plate; The third servo motor is arranged on the second slide, connected to the fixed plate through the reducer, and is used to drive the fixed plate to rotate; The grinding mechanism comprises: a grinding motor and a grinding wheel; The grinding motor is arranged on the fixed plate, connected to the grinding wheel, and used for driving the grinding wheel to rotate. The grinding wheel is used for grinding the rail when rotating.

6. The grinding device according to claim 4, characterized in that: The polishing mechanism further comprises: a floating force control mechanism; The floating force control mechanism is arranged on the fixed plate, the grinding motor is arranged on the sliding plate of the floating force control mechanism, and the floating force control mechanism is used to keep the grinding pressure of the grinding wheel constant to achieve constant force grinding.

7. The grinding device according to claim 4, characterized in that: The rail-supporting device comprises: a telescopic cylinder, a connecting bracket, a fixed seat, a movable seat, a sliding rod, a guide sleeve, a spring and a roller; The support platform is provided with a slide groove; The telescopic cylinder is arranged on the supporting platform; The connecting bracket is slidably arranged in the sliding groove and connected to the telescopic cylinder; The fixing seat is arranged on the connecting bracket; The fixing seat is provided with a slideway, and the guide sleeve is arranged on the fixing seat; The slide rod is slidably inserted into the guide sleeve and connected to the movable seat. The slide rod is provided with a convex ring for abutting against the guide sleeve. The spring is arranged in the slideway and respectively abuts against the fixing seat and the convex ring; The roller is rotatably arranged on the movable seat and is used for abutting against the side wall of the rail so that the grinding wheel moves along the extension direction of the rail.

8. The grinding device according to claim 4, characterized in that: It also includes a dust removal mechanism; The dust removal mechanism comprises: an exhaust fan, a connecting hose, a dust collecting hood and a dust collector; The dust collector and the dust hood are arranged on the supporting platform, and the dust hood is located at the grinding wheel; One end of the connecting hose is connected to the air outlet sleeve of the dust collecting hood, and the other end is connected to the dust collector; The exhaust fan is connected to the connecting hose and is used to suck the grinding chips into the dust collector.

9. The grinding device according to claim 3, characterized in that: The polishing modules are provided in multiple pairs; Each pair of the grinding modules and the supporting platform are combined into a grinding unit, which can be spliced ​​on the power vehicle; A plurality of pairs of the grinding modules are arranged along the extension direction of the rail to achieve grinding of the rail at multiple angles simultaneously.

10. The grinding device according to any one of claims 3 to 9, characterized in that: The power vehicle is provided with a driving motor and a driving roller; The driving motor and the driving roller are arranged on the supporting platform; the driving roller is connected to the driving motor and is used for being clamped on the rail.

Images