CN212000412U

CN212000412U - Small-size rail side profile sanding vehicle

Info

Publication number: CN212000412U
Application number: CN201921808569.5U
Authority: CN
Inventors: 刘天顺; 曹宏禄
Original assignee: Schmidt Rail Technology Kunshan Co ltd
Current assignee: Schmidt Rail Technology Kunshan Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-11-24
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a small-size rail side profile sanding vehicle, it includes the main frame, polishes the subassembly, installs profile modeling running gear, installation on the line of main frame bottom walk system, set up under the line in the middle of the main frame and be used for adjusting the adjustment mechanism, the setting that polish the subassembly position on the main frame are in the power device of adjustment mechanism expansion end, install the reversing mechanism on bottom surface in the middle of the main frame, reversing mechanism includes direction threaded sleeve and runing rest, the runing rest including the cross supporting seat that is located the bottom, with fixed connection's guide screw in the middle of the cross supporting seat, threaded sleeve sets up the bottom of main frame with guide screw thread fit connects. The utility model discloses can improve the wheel rail matching relation, improve the stationarity that the train moved, guarantee train operation safety.

Description

Small-size rail side profile sanding vehicle

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the rail is polished, especially, relate to a small-size rail side profile sanding vehicle.

[ background of the invention ]

With the rapid development of high-speed railways, the running speed of trains is continuously increased, and higher requirements are made on the quality of railway lines. The turnout is an important component of a railway track structure and is also a key weak link of a railway line. Therefore, the quality of the turnout line directly influences the turnout speed of the train, and the riding comfort and safety of passengers are also related.

Railway turnout is a key weak link of a railway line, and the defect of a turnout steel rail is a big problem in the treatment of line diseases. The formation reason and the change rule of the rail damage of the turnout are mastered, effective prevention and treatment measures are pertinently taken, the rail damage of the turnout can be effectively reduced and reduced, and the safety and smoothness of railway operation are guaranteed. Common rail damage of turnout is rail abrasion: including vertical wear, side wear, and wavy wear (referred to as corrugation); contact fatigue damage: comprises rail head crack, hidden damage and stripping; and fat edges, rail scratches, and the like. All of these rail damages increase the wear between the wheel rails, accelerate the deterioration rate of the vehicle parts and the rail parts, and aggravate the further spread of the rail damages. The main reasons are that the optimal outline shape of the steel rail is damaged, the contact state of the wheel rail is changed, and the wheel rail is poorly matched, so that the problems that the running stability and the safety of the train are influenced by transverse acceleration alarm, train shaking and the like of a high-speed train occur.

Therefore, the railway department pays great attention to the maintenance of the railway track, especially the railway turnout. The rail maintenance, especially the maintenance of good profile of the rail, is mainly realized by rail grinding, and the rail grinding is very important for improving the rail line quality and the wheel-rail relationship.

The popularization and application of the high-speed railway steel rail and turnout grinding technology can effectively improve the wheel rail relationship, greatly improve the safety and the stability of the train set operation, prolong the steel rail grinding and wheel turning period, reduce the maintenance and repair workload and have great economic benefit and social benefit. At the present stage, domestic turnout polishing technology and equipment are not mature, and the polishing and repairing of the turnout profile of each road is mainly implemented by the following scheme: and the turnout steel rail is polished in a mode of large grinding vehicle, small grinding machine and manual polishing. The large grinding vehicle has high grinding efficiency, but a plurality of limited areas cannot be ground in turnout grinding construction, and meanwhile, the large grinding vehicle has large equipment volume, high manufacturing cost, inconvenient use and high construction operation cost; the common small grinding machine is used for grinding the turnout steel rail profile, the grinding efficiency is low, the function is single, and the profile repairing precision is poor; the manual polishing has the problems of low efficiency, poor precision, labor hour consumption and the like.

Therefore, the development of an efficient and convenient steel rail turnout profile grinding device for grinding and repairing turnout rail profiles is urgently needed.

[ Utility model ] content

The utility model discloses a main aim at provides a small-size rail side profile sanding vehicle can improve the wheel rail matching relation, improves the stationarity of train operation, guarantees train operation safety.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a small-sized rail side profile grinding wagon comprises a main frame, a grinding assembly, an on-line profiling travelling mechanism, an off-line travelling system, an adjusting mechanism, a power device and a reversing mechanism, wherein the on-line profiling travelling mechanism is installed at the bottom of the main frame; the adjusting mechanism comprises an up-down adjusting device, a horizontal adjusting device and a grinding wheel angle adjusting device; the reversing mechanism comprises a guide thread sleeve and a rotary support, the rotary support comprises a cross-shaped supporting seat positioned at the bottom and a guide screw fixedly connected with the middle of the cross-shaped supporting seat, and the thread sleeve is arranged at the bottom of the main frame and is in thread fit connection with the guide screw.

Furthermore, the on-line profiling traveling mechanism comprises a plurality of profiling wheels and a plurality of guide wheels which are arranged at the bottom of the main frame, wheel shafts of the profiling wheels are perpendicular to wheel shafts of the guide wheels, the profiling wheels travel on the upper surface of the steel rail, and the guide wheels abut against the side surface of the steel rail to ensure that the profiling wheels cannot be separated from the steel rail.

Furthermore, the guide wheel is installed on the main frame through a guide wheel support, and a U-shaped positioning adjusting groove is formed in the guide wheel support and used for adjusting the position of the guide wheel.

Furthermore, the power device comprises an installation platform, and a first rotating and positioning arc-shaped groove and a second rotating and positioning arc-shaped groove are arranged on the installation platform; the mounting platform is provided with a mounting bottom plate for supporting and fixing the power device, and the mounting bottom plate respectively penetrates through the first rotary positioning arc-shaped groove and the second rotary positioning arc-shaped groove through two locking screws to lock two sides of the mounting bottom plate on the mounting platform.

Furthermore, the walking system under line is installed the main frame intermediate position, and it includes handrail frame, handrail wheel pivot, install the walking wheel at handrail frame both ends, install handrail frame locking support on the main frame.

Furthermore, the vertical adjusting device comprises a first frame rotatably erected on the main frame through a rotating shaft, a first rotating hand wheel rotatably installed on the first frame, a first adjusting screw fixedly connected with the first rotating hand wheel, and a second frame which is connected with threads and arranged at the bottom of the first adjusting screw and moves vertically on the first frame, and the mounting platform is horizontally slidably arranged on the second frame.

Furthermore, horizontal adjusting device include with mounting platform fixed connection's drive screw, screw-thread fit cover are established first helical gear on the drive screw, rotatable install on a mounting panel and with first helical gear meshing driven second helical gear, with second helical gear fixed connection's second adjusting screw, fixed setting are in the rotatory hand wheel of second adjusting screw upper end, mobilizable setting is in about the mounting panel on the main frame.

Furthermore, the grinding wheel angle adjusting device comprises a vertical fixing plate which is fixed on the main frame and provided with an arc groove, and a locking screw which locks the first frame and the vertical fixing plate together, wherein two sides of the first frame are rotatably erected on the main frame through a rotating shaft.

The polishing machine further comprises a safety protection warning device, wherein the safety protection warning device comprises a safety warning lamp, a spark protection device and an emergency braking device, a vertical lamp post is installed on one side of the polishing machine, and the safety warning lamp is installed at the top end of the lamp post; the front side of the polishing assembly is provided with a first spark protection device and a second spark protection device, and a protection chain net is arranged on the first spark protection device and the second spark protection device.

Furthermore, transmission includes driving belt, drive shaft subassembly and drive shaft protection casing, the drive shaft subassembly pass through driving belt with power device's rotatory output end is connected and is realized rotary drive, the subassembly of polishing includes emery wheel and emery wheel protection casing of polishing, the emery wheel of polishing is installed on the drive shaft subassembly.

Compared with the prior art, the utility model relates to a small-size rail side profile sanding vehicle's beneficial effect lies in: the method is used for disease treatment of straight lines and curves of railway lines, switch tongues and switch cores of the switches, and is particularly suitable for repairing the rail profiles and polishing the flash in the railway switch area; the profile of the side surface of the steel rail can be polished in the steel rail turnout area, the profile of the steel rail can be repaired, the quality of the steel rail is improved, and the wheel-rail matching relation is improved, so that the running stability of a train is improved, and the running safety of the train is ensured; the operation of the device is not affected by rail electrical accessories, level crossings, guard rails and the like. In particular, the method comprises the following steps of,

1) an on-line profiling travelling mechanism is designed, and is provided with four guide wheels and four profiling wheels, so that the on-line profiling travelling mechanism can stably run on two steel rail tracks; compared with a steel rail grinding machine which generally runs on a steel rail track, the steel rail grinding machine has the advantages that the operation is more stable, the efficiency is higher, operators do not need to maintain the balance of the grinding machine, and the operation is simpler and more labor-saving;

2) a linear lower walking system is designed and arranged in the middle of the main rack, and comprises a handrail frame, a handrail wheel rotating shaft, walking wheels arranged at two ends of the handrail frame and a handrail frame locking bracket arranged on the main rack; the machine can be manually pushed or pulled by a trailer after leaving a steel rail line, is convenient to get on and off the line, is more convenient to use in turnout construction compared with a large-scale grinding machine, and has lower use cost;

3) the turning mechanism is designed and consists of a guide threaded sleeve and a rotary support, the grinding wagon can be conveniently turned and turned up and down, the grinding wagon is supported by the rotary support to be separated from a steel rail, and the grinding wagon can be turned or turned by rotating the rotary support as an axis;

4) the grinding wagon has the advantages of small volume, light weight and low height, can conveniently repair steel rails in the areas of switch blades and switch areas, is particularly suitable for repairing the outlines of the steel rails and grinding burrs in the areas of railway switches, is free from the influence of rail electrical accessories, crossings, guard rails and the like due to small volume, height, width and weight, and can solve the problem that the operation of a large grinding wagon in the areas of the switches is limited.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is another angle structure diagram of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of an adjusting mechanism in an embodiment of the present invention;

FIG. 4 is a schematic structural view of the main frame and the on-line profiling traveling mechanism in the embodiment of the present invention;

fig. 5 is one of the partial structural diagrams in the embodiment of the present invention;

fig. 6 is a second partial schematic structural diagram in an embodiment of the present invention;

100 small-sized rail side profile grinding wagon;

1, steel rails;

2, a main frame, 21 a support frame, 22 a first cross beam and 23 a second cross beam;

3, a power device, 31, a mounting platform, 311, a first rotating positioning arc-shaped groove, 312, a second rotating positioning arc-shaped groove, 313, a first bearing mounting plate, 314, a second bearing mounting plate, 315, a bearing, 32, 33, a mounting bottom plate and 34, a locking screw rod;

4, a transmission device, 41 a transmission belt, 42 a transmission shaft assembly and 43 a transmission shaft protective cover;

5, grinding a grinding wheel, 51, 52, a grinding wheel protective cover;

6 adjusting mechanism, 61 up-down adjusting device, 611 first frame, 612 first rotating hand wheel, 613 first adjusting screw, 614 second frame, 62 horizontal adjusting device, 621 transmission screw, 622 first bevel gear, 623 mounting plate, 624 second bevel gear, 625 second adjusting screw, 626 second rotating hand wheel, 627 guide pillar, 63 grinding wheel angle adjusting device, 631 vertical fixing plate, 632 arc groove, 633 locking screw;

7 on-line profiling traveling mechanisms, 71 profiling wheels, 72 guide wheels and 73 guide wheel brackets;

an 8-line lower walking system, 81 handrail frames, 82 handrail frame rotating shafts, 83 walking wheels and 84 handrail frame locking supports.

9 safety guard warning device, 91 safety warning light, 92 spark guard, 921 first spark guard, 922 second spark guard;

the device comprises a 10 reversing mechanism, a 101 guide threaded sleeve, a 102 rotating bracket, a 1021 cross supporting seat and a 1022 guide screw rod;

11 electrical control system.

[ detailed description ] embodiments

Example (b):

referring to fig. 1 to 6, the present embodiment is a small rail side profile grinding wagon 100, which includes a main frame 2, a power unit 3 fixed on the main frame 2, a transmission unit 4 connected to the power unit 3, a grinding assembly 5 mounted at the end of the transmission unit 4, an adjusting mechanism 6 for adjusting the direction angle and feed amount of the grinding assembly 5, an on-line profiling traveling mechanism 7 mounted at the bottom of the main frame 2, an off-line traveling system 8 mounted at the middle of the main frame 2, a safety protection warning device 9 mounted on the main frame 2, a reversing mechanism 10 mounted at the bottom of the middle of the main frame 2, and an electrical control system 11.

The main frame 2 includes two support frames 21 located at the bottom and arranged in parallel, a first cross member 22 and a second cross member 23 connecting the two support frames 21. The first cross member 22 and the second cross member 23 are parallel to each other and have a portal structure.

The power device 3 comprises a mounting platform 31 and a driving member 32 fixed on the mounting platform 31, wherein the driving member 32 is an internal combustion engine or an electric motor. The mounting platform 31 is provided with a first arc-shaped rotating positioning slot 311 and a second arc-shaped rotating positioning slot 312. The mounting platform 31 is designed with a first bearing mounting plate 313 and a second bearing mounting plate 314 on both sides, on which four sets of bearings 315 are mounted.

The transmission 4 is connected to the power unit 3 for transmitting power generated by the internal combustion engine or the electric motor 32 to the sanding assembly 5. The transmission 4 includes four sets of vertically arranged drive belts 41, a drive shaft assembly 42 and a drive shaft shield 43. The transmission shaft assembly 42 is connected with the rotary output end of the power device 3 through a transmission belt 41 to realize rotary transmission, and the grinding assembly 5 is arranged at the end part of the transmission shaft assembly 42 and synchronously rotates with the transmission shaft assembly. Air holes are densely distributed on the shell body of the transmission shaft protective cover 43, so that the heat dissipation performance is improved.

The grinding assembly 5 comprises a grinding wheel 51 and a grinding wheel protective cover 52, and the grinding wheel 51 is mounted on the transmission shaft assembly 42 of the transmission device 4 and is driven by the power of the transmission shaft assembly to grind the rail profile.

The adjusting mechanism 6 is used for adjusting the direction, angle and feed amount of the grinding wheel 51, and includes an up-down adjusting device 61, a horizontal adjusting device 62 and a wheel angle adjusting device 63, and adjusts the feed amount of the grinding wheel 51 in the up-down and horizontal directions by rotating an adjusting hand wheel installed on the up-down adjusting device 61 and the horizontal adjusting device 62.

The up-down adjusting device 61 includes a first frame 611 rotatably mounted on the main frame 2 through a rotating shaft, a first rotating hand wheel 612 rotatably mounted on the first frame 611, a first adjusting screw 613 fixedly connected to the first rotating hand wheel 612, and a second frame 614 threadedly coupled to a bottom of the first adjusting screw 613 and moving up and down on the first frame 611, wherein the mounting platform 31 is horizontally slidably disposed on the second frame 614. The position adjustment of the second frame 614 in height can be achieved by rotating the first rotating handwheel 612.

The horizontal adjusting device 62 comprises a transmission screw 621 fixedly connected with the mounting platform 31, a first bevel gear 622 sleeved on the transmission screw 621 in a threaded fit manner, a second bevel gear 624 rotatably mounted on a mounting plate 623 and meshed with the first bevel gear 622 for transmission, a second adjusting screw 625 fixedly connected with the second bevel gear 624, and a second rotating hand wheel 626 fixedly arranged at the upper end of the second adjusting screw 625, wherein the mounting plate 623 is movably arranged on the main frame 2 up and down, and guide posts 627 which are positioned at two sides of the transmission screw 621 and penetrate through the mounting plate 623 are further arranged on the mounting platform 31. By rotating the second rotating handwheel 626, the horizontal position of the mounting platform 31 on the second frame 614 is adjusted by the meshing transmission of the two bevel gears and the combination of the nut and screw transmission principles of the first bevel gear 624 and the transmission screw 621.

The grinding wheel angle adjusting device 63 includes a vertical fixing plate 631 fixed to the main frame 2 and provided with an arc groove 632, and a locking screw 633 for locking the first frame 611 and the vertical fixing plate 631 together. Both sides of the first frame 611 are rotatably mounted on the main frame 2 through a rotation shaft, and the first frame 611 is angularly adjusted in the vertical direction by rotating the first frame 611 about its rotation shaft, and then fastened by a locking screw 633.

The mounting platform 31 is provided with a mounting bottom plate 33 for supporting and fixing the power device 3, and the mounting bottom plate 33 passes through the rotary positioning arc-shaped groove through a locking screw 34 to realize the fixed connection of the mounting bottom plate 33 and the mounting platform 31. The angle adjustment of the grinding wheel 51 in the horizontal direction can be realized by rotating the mounting base plate 33, and the position fixation is performed by the locking screw 34 after the adjustment.

The on-line profiling traveling mechanism 7 is arranged on the main frame 2, four profiling wheels 71 and four guide wheels 72 are arranged at the bottom of the main frame 2, and wheel shafts of the profiling wheels 71 are vertically arranged with wheel shafts of the guide wheels 72. The guide wheels 72 are mounted on the main frame 2 by guide wheel brackets 73. The guide wheel bracket 73 is provided with a U-shaped positioning adjusting groove (not marked in the figure), and the position of the guide wheel 72 can be adjusted to adapt to different steel rail types. The profiling wheels 71 are divided into a front pair and a rear pair and are erected on the upper surface of the steel rail 1 to travel along the surface of the steel rail 1; the guide wheels 72 are respectively divided into a front pair and a rear pair, and the two pairs of guide wheels 72 are arranged on the outer side edge of the steel rail 1 and clamp the two sides of the steel rail 1, so that the grinding wagon can be kept on the steel rail 1 without deviation when the grinding wagon runs.

The down-line walking system 8 is installed in the middle of the main frame 2 and comprises a handrail frame 81, a handrail wheel rotating shaft 82, walking wheels 83 installed at two ends of the handrail frame 81, and a handrail frame locking bracket 84 installed on the main frame 2. The road wheels 83 are rubber tires, and can be manually pushed or pulled by vehicles when the polishing trolley is transferred to the position below the line, so that the polishing trolley is convenient to transfer and transport.

The safety guard warning device 9 includes a safety warning lamp 91 and a spark guard 92. A vertical lamp post is arranged on one side of the grinding wagon, and a safety warning lamp 91 is arranged at the top end of the lamp post. The safety warning lamp is turned on when the grinding vehicle performs grinding operation, so that the operation safety is guaranteed. A first spark guard 921 and a second spark guard 922 are provided on the front side of the grinding wheel 51. Two sets of guard chain nets are mounted on the first spark guard 921. A set of guard chain nets is vertically mounted on the second spark guard 922. The spark protection device is composed of a suspended protection chain net, is a flexible protection device, and not only blocks high-temperature sparks generated during rail grinding, but also avoids the high-temperature sparks from rebounding and splashing.

The reverser 10 is mounted at the middle, lowermost portion of the main frame 2. Designed with a guiding threaded bushing 101 and a rotating bracket 102. The rotary bracket 102 includes a cross support 1021 at the bottom and a lead screw 1022 fixedly connected to the middle of the cross support 1021. A threaded sleeve 101 is provided at the bottom of the main frame 2 in threaded engagement with the lead screw 1022. The reversing mechanism 10 can conveniently perform turning, reversing and loading and unloading of the grinding wagon. The grinding wagon is supported by the rotary support, so that the grinding wagon is separated from the steel rail, and the grinding wagon can be turned or turned by rotating the rotary support as a shaft.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a small-size rail side profile sanding vehicle which characterized in that: the device comprises a main frame, a polishing assembly, an on-line profiling travelling mechanism arranged at the bottom of the main frame, an off-line travelling system arranged in the middle of the main frame, an adjusting mechanism arranged on the main frame and used for adjusting the position of the polishing assembly, a power device arranged at the movable end of the adjusting mechanism and a reversing mechanism arranged on the surface of the bottom in the middle of the main frame; the adjusting mechanism comprises an up-down adjusting device, a horizontal adjusting device and a grinding wheel angle adjusting device; the reversing mechanism comprises a guide thread sleeve and a rotary support, the rotary support comprises a cross-shaped supporting seat positioned at the bottom and a guide screw fixedly connected with the middle of the cross-shaped supporting seat, and the thread sleeve is arranged at the bottom of the main frame and is in thread fit connection with the guide screw.

2. The small rail side profile grinding wagon of claim 1, wherein: the on-line profiling traveling mechanism comprises a plurality of profiling wheels and a plurality of guide wheels which are arranged at the bottom of the main frame, wheel shafts of the profiling wheels are perpendicular to wheel shafts of the guide wheels, the profiling wheels travel on the upper surface of a steel rail, and the guide wheels abut against the side surface of the steel rail to ensure that the profiling wheels cannot be separated from the steel rail.

3. The compact rail side profile sander of claim 2, wherein: the guide wheel is installed on the main frame through a guide wheel support, and a U-shaped positioning adjusting groove is formed in the guide wheel support and used for adjusting the position of the guide wheel.

4. The small rail side profile grinding wagon of claim 1, wherein: the power device comprises an installation platform, and a first rotating positioning arc-shaped groove and a second rotating positioning arc-shaped groove are arranged on the installation platform; the mounting platform is provided with a mounting bottom plate for supporting and fixing the power device, and the mounting bottom plate respectively penetrates through the first rotary positioning arc-shaped groove and the second rotary positioning arc-shaped groove through two locking screws to lock two sides of the mounting bottom plate on the mounting platform.

5. The small rail side profile grinding wagon of claim 1, wherein: the line descending system is arranged in the middle of the main frame and comprises an armrest frame, an armrest hand wheel rotating shaft, walking wheels arranged at two ends of the armrest frame and an armrest frame locking support arranged on the main frame.

6. The compact rail side profile sander of claim 4, wherein: adjusting device includes and erects through the pivot is rotatable first frame on the main frame, rotatable installation first rotatory hand wheel on the first frame, with first rotatory hand wheel fixed connection's first adjusting screw, threaded connection set up first adjusting screw bottom and be in carry out the second frame of up-and-down motion on the first frame, the setting of mounting platform level slidable is in on the second frame.

7. The small rail side profile grinding wagon of claim 6, wherein: horizontal adjusting device include with mounting platform fixed connection's drive screw, screw-thread fit cover are established first helical gear on the drive screw, rotatable install on a mounting panel and with first helical gear meshing driven second helical gear, with second helical gear fixed connection's second adjusting screw, fixed setting are in the second rotatory hand wheel of second adjusting screw upper end, mobilizable setting is in about the mounting panel on the main frame.

8. The compact rail side profile sander of claim 7, wherein: the grinding wheel angle adjusting device comprises a vertical fixing plate which is fixed on the main frame and provided with an arc groove, and a locking screw which locks the first frame and the vertical fixing plate together, wherein two sides of the first frame are rotatably erected on the main frame through a rotating shaft.

9. The compact rail side profile sander of claim 8, wherein: the polishing machine further comprises a safety protection warning device, wherein the safety protection warning device comprises a safety warning lamp, a spark protection device and an emergency braking device, a vertical lamp post is installed on one side of the polishing machine, and the safety warning lamp is installed at the top end of the lamp post; the front side of the polishing assembly is provided with a first spark protection device and a second spark protection device, and a protection chain net is arranged on the first spark protection device and the second spark protection device.

10. The small rail side profile grinding wagon of claim 1, wherein: the grinding device comprises a power device, and is characterized by further comprising a transmission device connected with the power device, wherein the transmission device comprises a transmission belt, a transmission shaft assembly and a transmission shaft protective cover, the transmission shaft assembly is connected with the rotary output end of the power device through the transmission belt to realize rotary transmission, the grinding assembly comprises a grinding wheel and a grinding wheel protective cover, and the grinding wheel is installed on the transmission shaft assembly.