CN216474296U - Steel rail grinding device - Google Patents

Abstract

The utility model discloses a steel rail grinding device, and relates to the technical field of railway engineering. The rail grinding device is used for grinding two rails which are arranged at intervals and comprises a travelling mechanism, a frame and at least two grinding mechanisms. The traveling mechanism can travel on the rail along the length direction of the rail. The frame is detachably arranged on the travelling mechanism. Two grinding machanism intervals set up on the frame, and grinding machanism can dismantle with the frame and be connected, and grinding machanism includes drive structure and grinding component, and grinding component is connected with drive structure's output, and drive structure can drive the relative rail activity of grinding component and make grinding component along the rail of polishing of predetermineeing the angle. This rail grinding device can improve efficiency of polishing, the quality of polishing, has big volume of polishing in the short time to the whole higher operation flexibility and the mobility that has of device can reduce operating personnel's intensity of labour.

Description

Steel rail grinding device

Technical Field

The utility model relates to the technical field of railway engineering, in particular to a steel rail grinding device.

Background

Under the repeated action of a high-speed and heavy-load train, various wheel contact fatigue diseases such as scale cracks, stripping falling blocks, rail surface reticular collapse, wheel scratch and the like can occur to the steel rail, if the defects are not repaired and polished in time, the defects can be accelerated to expand, the service life of the steel rail is reduced, and the stable running and driving safety of the train are seriously influenced. In addition, in recent decades, with the increasing living standard of people, the requirements for the whole living, living environment and trip are higher and higher, and the noise and vibration generated by train operation are more and more paid attention to people. Therefore, reducing and controlling noise and vibration by limited control of the smoothness of the rail surface is also one of the goals of track maintenance work.

The rail grinding operation is taken as the most common rail repairing means at present, and at present, professional equipment is mainly adopted by various domestic railway departments for grinding the rails in the rail grinding operation, such as large-scale equipment rail grinding trains, vertical grinders, imported rail grinding equipment, small-scale equipment angle grinders and the like. Although a large-scale equipment steel rail grinding train has the advantages of high grinding speed, high operation efficiency and good grinding quality, the cost is too high, the time of occupying a skylight is too long, multiple departments such as work, engineering and electric affairs in a railway system need to coordinate with each other, the large-scale equipment steel rail grinding train is difficult to adapt to the grinding operation of steel rail diseases in a short interval, and the large-scale equipment steel rail grinding train can not work at the tip of a switch rail, a center rail, a wing rail and other parts of a steel rail and needs to be matched with a small grinding machine. The vertical grinding machine is a small grinding machine specially used for grinding a plurality of positions of a steel rail, a gasoline engine is used for driving a grinding wheel to grind the surface of the profile of the steel rail, the grinding wheel is easy to generate a cutter jumping phenomenon in the grinding process, the grinding quality is poor, manual control is needed to feed, and the grinding efficiency is low. Although the imported steel rail grinding machine has a good grinding effect, the imported steel rail grinding machine is generally high in price, high in maintenance cost after sale, long in maintenance period, capable of increasing railway maintenance cost invisibly, generally of a hydraulic driving structure, high in failure rate, incapable of assembling and disassembling equipment, difficult to carry, get on and off rails and capable of increasing extra labor intensity for workers.

Therefore, there is a need for a rail grinding device that can improve grinding efficiency and grinding quality, and has a large grinding amount in a short time, and the whole device has high operation flexibility and maneuverability, and can reduce the labor intensity of operators.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steel rail grinding device which can improve grinding efficiency and grinding quality, has large grinding amount in a short time, has higher operation flexibility and maneuverability as a whole and can reduce the labor intensity of operators.

In order to realize the technical effects, the technical scheme of the steel rail grinding device is as follows:

a rail grinding device for grinding two spaced rails, comprising: a traveling mechanism capable of traveling on the rail in a longitudinal direction of the rail; the frame is detachably arranged on the travelling mechanism; the rail grinding device comprises at least two grinding mechanisms, wherein the two grinding mechanisms are arranged on the vehicle frame at intervals, the grinding mechanisms are detachably connected with the vehicle frame, each grinding mechanism comprises a driving structure and a grinding assembly, the grinding assembly is connected with the output end of the driving structure, and the driving structure can drive the grinding assembly to move relative to a rail and enable the grinding assembly to grind the rail along a preset angle.

Further, the steel rail grinding device further comprises a detection mechanism, the detection mechanism is arranged at two ends of the frame, the detection mechanism comprises at least two detection pieces, the two detection pieces are respectively arranged above the steel rail, and the detection pieces are used for acquiring the actual profile and the surface condition of the steel rail.

Further, the detection mechanism further comprises an installation part, the installation part is arranged on the frame, two ends of the installation part correspond to the two steel rails respectively, at least two detection parts are arranged at two ends of the installation part respectively, and the two detection parts are arranged on two sides of the steel rails respectively and face the steel rails.

Furthermore, the detection part comprises an eddy current flaw detector and laser profile detectors, at least one eddy current flaw detector and two laser profile detectors are arranged on each steel rail, and the two laser profile detectors are arranged on two sides of the grinding mechanism in the length direction of the steel rail.

Further, the grinding mechanism still includes the grinding frame, drive structure includes: the first driving assembly is arranged on the grinding frame, the output end of the first driving assembly is connected with the grinding assembly, and the first driving assembly is used for driving the grinding assembly to move along the vertical direction; the second driving assembly is arranged on the grinding frame, the output end of the second driving assembly is connected with the first driving assembly, and the second driving assembly is used for driving the first driving assembly to rotate around the length direction of the steel rail; the third driving assembly is arranged on the grinding frame, the output end of the third driving assembly is connected with the second driving assembly, and the third driving assembly is used for driving the second driving assembly to move along the distribution directions of the two steel rails.

Further, the second drive assembly includes: a second driving member; the first matching part is connected to the output end of the second driving piece; the second matching part is rotatably connected to the output end of the third driving assembly and the first driving assembly, and the second matching part is matched with the first matching part.

Further, the traveling mechanism includes: the plurality of walking assemblies are arranged along the length direction of the steel rail at intervals, each walking assembly comprises two walking wheels, and each walking wheel is arranged on one steel rail; and the output end of the walking driving part is connected with one walking component.

Furthermore, the frame comprises a plurality of guide idler wheels, the peripheral surfaces of the guide idler wheels are tangent to the side walls of the steel rails, and the guide idler wheels are used for guiding the travelling mechanism to move along the length direction of the steel rails.

Further, the travelling mechanism comprises a first dismounting part, the frame comprises a second dismounting part matched with the first dismounting part, the frame further comprises a third dismounting part, and the grinding mechanism comprises a fourth dismounting part matched with the third dismounting part.

Further, the steel rail polishing device further comprises a power control mechanism, the power control mechanism comprises an electric cabinet, a battery pack, a main control panel and an auxiliary control panel, and the electric cabinet, the battery pack, the main control panel and the auxiliary control panel are all arranged on the frame.

The utility model has the beneficial effects that: according to the rail grinding device of this embodiment, owing to can realize that double rail polishes the operation simultaneously or the independent operation of polishing of unilateral rail has higher operation flexibility and mobility to have light swift advantage, whole device can the modularization cooperation simultaneously, is convenient for carry, deposit and maintain, and can dispose the unit module according to actual demand selectivity, in order to be applicable to the multiple operation requirement of polishing. In addition, because two grinding mechanisms are arranged, the automatic grinding machine has the characteristics of large grinding amount and high grinding efficiency, so that the labor intensity of operators can be reduced, the number of constructors can be reduced, and the operation content and the operation can be increased in a limited skylight point time.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic structural view of a rail grinding apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a grinding mechanism according to an embodiment of the present invention;

FIG. 3 is an exploded schematic view of a grinding mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of a portion of a rail grinding apparatus according to an embodiment of the present invention;

FIG. 5 is a second schematic view of a partial structure of a rail grinding apparatus according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a vehicle frame and test structure provided by an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a traveling mechanism according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a power control mechanism according to an embodiment of the present invention.

Reference numerals

1. A traveling mechanism; 11. a walking assembly; 111. a traveling wheel; 112. a wheel axle; 113. an insulating plate; 12. A travel drive; 13. a first removable member; 131. a support plate; 132. a first positioning block; 14. a differential mechanism;

2. a frame; 21. a frame body; 211. a vehicle body frame; 212. a vehicle body panel; 22. a guide idler; 23. a second removable member; 231. a second positioning block; 232. a locking member; 24. a third disassembled part; 25. a brake assembly; 251. a pedal; 252. a brake contracting device; 26. a seat; 27. protecting the fence;

3. a polishing mechanism; 31. polishing the assembly; 311. a grinding wheel cover; 312. a grinding wheel; 313. polishing the driving piece; 32. a polishing frame; 33. a first drive assembly; 331. a first driving member; 332. a first lead screw; 333. a first guide member; 334. a support frame; 34. a second drive assembly; 341. a second driving member; 342. a first mating portion; 343. a second mating portion; 344. a first hand wheel; 35. a third drive assembly; 351. a third driving member; 352. a transmission member; 353. a second lead screw; 354. connecting blocks; 355. a second hand wheel; 356. a second guide member; 36. a fourth disassembled part;

4. a detection mechanism; 411. an eddy current flaw detector; 412. a laser profiler; 42. a mounting member;

5. a power control mechanism; 51. a main control panel; 52. a secondary control panel; 53. an electric cabinet; 54. a battery pack; 55. a control box frame;

100. a steel rail.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

It is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

A concrete structure of a rail grinding apparatus according to an embodiment of the present invention will be described with reference to fig. 1 to 8.

As shown in fig. 1 to 8, fig. 1 discloses a rail grinding device for grinding two spaced rails 100, which includes a traveling mechanism 1, a carriage 2 and at least two grinding mechanisms 3. The traveling mechanism 1 can travel on the rail 100 along the longitudinal direction of the rail 100. The frame 2 is detachably arranged on the running mechanism 1. Two 3 intervals of grinding machanism set up on frame 2, and grinding machanism 3 can dismantle with frame 2 and be connected, and grinding machanism 3 includes drive structure and grinding component 31, and grinding component 31 is connected with drive structure's output, and drive structure can drive the relative rail 100 activity of grinding component 31 and make grinding component 31 along the rail 100 of polishing of predetermineeing the angle.

It can be understood that the running mechanism 1 can run on the rail 100 along the length direction of the rail 100, so as to drive the frame 2 to move along the length direction of the rail 100, and further enable the grinding mechanism 3 on the frame 2 to move along the length direction of the rail 100. Grinding machanism 3 is in the motion process, and drive structure can drive the relative rail 100 activity of subassembly 31 of polishing to can polish rail 100 to the different positions of rail 100, for example can realize polishing the repair to fish scale line, scotch, ripples grinding, the light band on rail 100 just and peel off damage such as piece, have higher flexibility of polishing, thereby can improve efficiency of polishing and the quality of polishing. Meanwhile, as the frame 2 is provided with the at least two grinding mechanisms 3, the two grinding mechanisms 3 can respectively perform grinding operation on one steel rail 100, and the grinding efficiency and the grinding quality can be further improved. And running gear 1 can be convenient for dismouting on rail 100, and running gear 1, frame 2 and grinding machanism 3 three are the detachable connection relation, make running gear 1, frame 2 and grinding machanism 3 transport under the dismantlement state to assemble in rail 100 department, can be convenient for whole rail grinding device's transportation, especially the transportation when going on, off-road.

According to the rail grinding device of this embodiment, owing to can realize that double rail 100 polishes the operation simultaneously or the operation of independently polishing of unilateral rail 100, have higher operation flexibility and mobility to have light swift advantage, whole device can the modularization cooperation simultaneously, is convenient for carry, deposit and maintain, and can dispose the unit module according to actual demand selectivity, in order to be applicable to the multiple operation requirement of polishing. In addition, because two grinding mechanisms 3 are arranged, the automatic polishing machine has the characteristics of large grinding amount and high grinding efficiency, so that the labor intensity of operators can be reduced, the number of constructors can be reduced, and the operation content and operation can be increased in limited skylight point time.

Specifically, the rail grinding device of the present embodiment can grind the 43-75 rail 100 (kg/m) according to the standard of the wheel track 1435mm, and of course, according to the actual grinding requirement, the rail grinding device can also be applied to other types of rails 100 by adjusting the related structure of the rail grinding device, and is not limited to the rail 100 with the above structural features, and no further description is needed here.

In some embodiments, the rail grinding device further includes a detection mechanism 4, the detection mechanism 4 is disposed at two ends of the frame 2, the detection mechanism 4 includes at least two detection members, the two detection members are disposed above the rail 100 respectively, and the detection members are used for acquiring the actual profile and surface condition of the rail 100.

It can be understood that the detection mechanism 4 can obtain the actual profile and surface condition of the rail 100, and can obtain the polished amount and polishing allowance of the rail 100 by the polishing mechanism 3, so as to facilitate the determination of the control of the feeding motion of the driving structure to the polishing assembly 31 according to the actual requirement, so as to ensure that the polishing assembly 31 can polish the surface profile of the rail 100 optimally, thereby further improving the polishing quality of the rail 100.

In some embodiments, the detecting mechanism 4 further includes a mounting member 42, the mounting member 42 is disposed on the frame 2, two ends of the mounting member 42 are disposed corresponding to the two rails 100, respectively, two ends of the mounting member 42 are disposed with at least two detecting members, respectively, the two detecting members are disposed on two sides of the rail 100 and are disposed toward the rail 100.

In some embodiments, the inspection unit comprises an eddy current flaw detector 411 and a laser profile detector 412, at least one eddy current flaw detector 411 and two laser profile detectors 412 are arranged above each rail 100, and the two laser profile detectors 412 are arranged on two sides of the grinding mechanism 3 in the length direction of the rail 100.

It can be understood that, with the above-described structural arrangement, the two laser profiles 412 can respectively detect the actual profiles of the rail 100 before and after grinding, and the grinding amount can be obtained by comparing and analyzing the detected data with the theoretical profiles, thereby facilitating the driving structure to control the feeding amount of the grinding assembly 31 relative to the rail 100. The eddy current flaw detector 411 can detect surface defects of the steel rail 100, can directly detect the steel rail 100 in the walking process of the walking mechanism 1, and controls the grinding mechanism 3 to finish grinding according to the actual conditions of the surface defects of the steel rail 100, so that special detection operation is not required to be additionally performed, and the grinding efficiency is improved.

In addition, in this embodiment, a laser sensor is further disposed above each rail 100, and the profile of the rail 100 can be detected along the distribution direction of the two rails 100, so that the measurement of the profile of the entire rail 100 is realized.

In some specific embodiments, the detecting mechanism 4 further includes a mounting member 42, two ends of the frame 2 are respectively provided with one mounting member 42 in the length direction of the rail 100, two ends of the mounting member 42 are respectively provided with two laser profiles 412 in the length direction of the mounting member 42, the two laser profiles 412 are respectively arranged on two sides of the rail 100, and the detecting direction of the two laser profiles is arranged at an angle to the vertical direction, so as to ensure the detecting accuracy of the detecting member for detecting the actual profile of the rail 100.

In some embodiments, the sharpening mechanism 3 further comprises a sharpening carriage 32, the drive structure comprising a first drive assembly 33, a second drive assembly 34 and a third drive assembly 35. The first driving assembly 33 is arranged on the grinding frame 32, the output end of the first driving assembly 33 is connected with the grinding assembly 31, and the first driving assembly 33 is used for driving the grinding assembly 31 to move along the vertical direction. The second driving assembly 34 is arranged on the grinding frame 32, the output end of the second driving assembly 34 is connected with the first driving assembly 33, and the second driving assembly 34 is used for driving the first driving assembly 33 to rotate around the length direction of the steel rail 100. The third driving assembly 35 is disposed on the grinding frame 32, an output end of the third driving assembly 35 is connected to the second driving assembly 34, and the third driving assembly 35 is configured to drive the second driving assembly 34 to move along the distribution direction of the two rails 100.

It will be appreciated that the first drive assembly 33 can drive the grinding assembly 31 in a vertical motion, the second drive assembly 34 can drive the first drive assembly 33 in rotation about the length of the rail 100 and thus the grinding assembly 31 in rotation about the length of the rail 100, and the third drive can drive the second drive in motion along the direction of the distribution of the two rails 100 and thus the grinding assembly 31 in motion along the direction of the distribution of the two rails 100. Therefore, through the cooperation of the first driving assembly 33, the second driving assembly 34 and the third driving assembly 35, the grinding assembly 31 can grind the steel rail 100 in a plurality of directions including the vertical direction, the horizontal direction and the inclination angle direction, and the surface profile of the steel rail 100 is ground to a preset profile, so that the grinding efficiency and the grinding quality of the steel rail 100 are improved.

In some embodiments, the grinding assembly 31 includes a wheel cover 311, a grinding wheel 312, and a grinding driving member 313, the wheel cover 311 is connected to the output end of the first driving assembly 33, the wheel cover 311 is disposed on the grinding wheel 312, the grinding driving member 313 is disposed on the wheel cover 311, and the grinding wheel 312 is used for grinding the rail 100. It can be understood that the grinding driving part 313 can drive the grinding wheel 312 to rotate at a high speed, the grinding wheel 312 can grind the side wall of the steel rail 100 when rotating at a high speed, so that the grinding operation of the steel rail 100 is completed, and the grinding wheel cover 311 can protect the grinding wheel 312 rotating at a high speed, so that the problem that the grinding wheel 312 is accidentally damaged in the grinding operation process is prevented. Specifically, the grinding wheel 312 in this embodiment has a bowl-shaped end surface, and the bowl-shaped end surface is used for finishing the grinding operation, and the specific shape of the grinding surface of the grinding wheel 312 can be adjusted according to the profile of the rail 100 and the actual requirements of grinding repair, and need not be specifically limited herein.

In some embodiments, the second drive assembly 34 includes a second driver 341, a first mating portion 342, and a second mating portion 343. The first engaging portion 342 is connected to the output end of the second driving member 341. The second matching part 343 is rotatably connected to the output end of the third driving assembly 35 and the first driving assembly 33, and the second matching part 343 is matched with the first matching part 342.

It can be understood that the arrangement of the first matching portion 342 and the second matching portion 343 can enlarge or reduce the driving force of the second driving member 341, so as to improve the rotation precision of the first driving assembly 33 driven by the second driving member 341, and further improve the precision of the driving structure driving the grinding assembly 31 in grinding the steel rail 100.

Specifically, in the present embodiment, the first matching portion 342 includes a first engaging tooth, the second matching portion 343 includes a second engaging tooth, and the first engaging tooth and the second engaging tooth are both provided as sector-shaped teeth, so that the space occupancy rate can be reduced, and the volume and the height of the second driving assembly 34 can be reduced.

In particular embodiments, the second drive assembly 34 further includes a first hand wheel 344, the first hand wheel 344 being coupled to the first mating portion 342. Therefore, the first hand wheel 344 can be used for adjusting the rotation angle of the second matching part 343, so that the second matching part 343 can be manually controlled to rotate to realize the angle deflection of the grinding assembly 31, and the application range of the driving structure is widened.

In some specific embodiments, the second driving assembly 34 further includes a second locking portion (not shown) and a second detecting portion (not shown), the second detecting portion can obtain a rotation angle of the second matching portion 343, so as to obtain a deflection angle of the grinding assembly 31, and the second locking portion can lock the second matching portion 343 to the first matching portion 342, so as to ensure that the grinding assembly 31 has a fixed and reliable position during grinding, so as to improve grinding accuracy. The second locking portion may be a second driving member 341 itself to implement the locking function, or may be additionally provided with other structures to perform locking, and the second detecting portion may be a sensor in the prior art, which is not described herein in detail.

In some specific embodiments, the first driving assembly 33 includes a first driving member 331, a first lead screw 332, a first guiding member 333, and a supporting frame 334. The supporting frame 334 is connected to the output end of the second driving component 34, the first driving component 331 is disposed on the supporting frame 334, the first lead screw 332 and the first guiding component 333 are both disposed on the supporting frame 334, and the polishing component 31 is sleeved on the first guiding component 333 and is rotatably connected with the first lead screw 332. Therefore, when the first driving part 331 drives the first lead screw 332 to rotate, the grinding component 31 can move in the vertical direction, and the first guiding part 333 can guide the movement of the grinding component 31 in the vertical direction, so as to ensure the movement accuracy of the grinding component 31 in the vertical direction.

In some specific embodiments, the first driving assembly 33 further includes a first locking portion (not shown) and a first detecting portion (not shown), the first detecting portion can obtain the height of the first matching portion 342 in the vertical direction, so as to obtain the height of the grinding assembly 31 relative to the steel rail 100, and the first locking portion can lock the grinding assembly 31 on the first lead screw 332, so as to ensure that the grinding assembly 31 has a fixed and reliable position during the grinding process, so as to improve the grinding precision. The first locking portion can be a sensor in the prior art, and need not be described herein any more, because the first driving member 331 can realize the locking function by itself, or other structures can be additionally provided for locking.

In some specific embodiments, the third drive assembly 35 includes a third drive member 351, a second lead screw 353, a transmission member 352, a connecting block 354, and a second wheel 355. The output end of the third driving member 351 is connected to the second lead screw 353 through the transmission member 352, and the transmission member 352 is arranged to prevent the third driving member 351 from interfering with other structures during installation, so that the installation reliability of the whole driving structure is ensured. The connecting block 354 is rotatably connected to the second lead screw 353, and the connecting block 354 is connected with the second driving assembly 34, so that the third driving member 351 can drive the second lead screw 353 to rotate, and further drive the connecting block 354 to move along the distribution directions of the two steel rails 100, and further realize that the second driving assembly 34 moves in the distribution directions of the two steel rails 100, and further realize that the grinding assembly 31 moves in the distribution directions of the two steel rails 100. A second hand wheel 355 is attached to the second lead screw 353 to enable manual adjustment of the movement of the grinding assembly 31 in the direction of the two rails 100.

In some specific embodiments, the third driving assembly 35 further includes a second guiding member 356, the second guiding member 356 extends along the length direction of the two rails 100, and one end of the second driving assembly 34 is connected to the connecting block 354, and the other end thereof is sleeved on the second guiding member 356. The second guiding member 356 not only can guide the movement of the second driving assembly 34, but also can ensure that the second driving assembly 34 can stably realize the effect of driving the first driving assembly 33 to rotate because the second driving assembly 34 is used for driving the first driving assembly 33 to rotate, so that the two ends of the second driving assembly 34 can be respectively and rotatably connected with the connecting block 354 and the second guiding member 356.

In some specific embodiments, the third driving assembly 35 further includes a third locking portion (not shown) and a third detecting portion (not shown), the third detecting portion can obtain the height of the third matching portion in the distribution direction of the two rails 100, so as to obtain the distance between the grinding assembly 31 and the rails 100, and the third locking portion can lock the grinding assembly 31 on the third lead screw, so as to ensure that the grinding assembly 31 has a fixed and reliable position during the grinding process, so as to improve the grinding precision. The third locking portion may be implemented by the third driving element 351 itself, or may be additionally provided with other structures for locking, and the third detecting portion may be provided as a sensor in the prior art, which is not described herein again.

In some embodiments, the running gear 1 includes a plurality of running assemblies 11 and running drives 12 spaced apart along the length of the rail 100. Each walking assembly 11 comprises two walking wheels 111, and each walking wheel 111 is arranged on one steel rail 100. The output of the travel drive 12 is connected to a travel assembly 11.

It will be appreciated that the provision of a plurality of running assemblies 11 can facilitate improved stability of the running gear 1 in its movement on the rails 100. The two travelling wheels 111 can be arranged on one rail 100, so that a reliable movement of the travelling mechanism 1 on the rail 100 is achieved. The walking driving member 12 can drive a plurality of walking assemblies 11 to move on the steel rail 100 by driving one walking assembly 11 to move on the steel rail 100, thereby being convenient for improving the grinding efficiency.

Specifically, in this embodiment, the traveling assembly 11 further includes a wheel axle 112 and an insulating plate 113 connecting the two traveling wheels 111, and the traveling wheels 111 and the wheel axle 112 are connected by spokes of the insulating plate 113, so that the two traveling wheels 111 can be ensured to be insulated from each other, and further the traveling mechanism 1, the frame 2 and the grinding mechanism 3 are ensured to be insulated from the steel rail 100, and the traveling signal of the traveling mechanism 1 is ensured not to be interfered, and further the normal operation of grinding is ensured.

In some embodiments, the traveling mechanism 1 includes two traveling assemblies 11, one traveling assembly 11 is provided with the traveling driving member 12, and the axle 112 of the other traveling assembly 11 is provided with the differential 14, so as to improve the reliability and stability of the traveling mechanism 1 moving on the rail 100.

In some embodiments, the frame 2 includes a plurality of idler wheels 22, the outer circumference of the idler wheels 22 is tangent to the side wall of the rail 100, and the idler wheels 22 are used for guiding the running gear 1 to move along the length direction of the rail 100.

It can be understood that the guiding idler wheel 22 can guide the traveling mechanism 1 to ensure that the frame 2 and the grinding mechanism 3 move along the length direction of the steel rail 100, and further ensure that the measurement and grinding of the steel rail 100 by the grinding mechanism 3 and the detection mechanism 4 are realized along the length direction of the steel rail 100, so that the grinding quality is improved.

In some embodiments, the frame 2 further includes a frame body 21, a brake assembly 25, and a guard rail 27. The protective guard 27 and the brake assembly 25 are arranged on the frame body 21, and the brake assembly 25 can lock the travelling mechanism 1 so as to realize parking of the steel rail grinding device on the steel rail 100.

In some embodiments, the brake assembly 25 includes a pedal 251 and a brake 252 coupled to the pedal 251. The band-type brake 252 is connected with the pedal 251, the band-type brake 252 is configured to tightly hold the traveling mechanism 1 when pressing force applied to the pedal 251 is a preset value, so that deceleration braking of the traveling mechanism 1 is achieved, when the pedal 251 rotates to a limit position, the band-type brake 252 achieves self-locking and does not reset, so that the traveling mechanism 1 is ensured to be kept in a parking state, and when the traveling is needed, an operator can reset by stepping on the pedal 251 again, so that the traveling function is completed. The specific structure of the pedal 251 and the brake 252 and the functions thereof are conventional in the art and need not be described herein.

In some embodiments, the frame 21 includes a body frame 211 and a body panel 212 disposed on the body frame 211, and the guard rail 27 further includes a seat 26. The guard rail 27 is detachably coupled to the frame body 21 so as to facilitate the disassembly and assembly transportation of the vehicle frame 2.

In some embodiments, the travel mechanism 1 includes a first attachment feature 13, the frame 2 includes a second attachment feature 23 that mates with the first attachment feature 13, the frame 2 further includes a third attachment feature 24, and the sharpening mechanism 3 includes a fourth attachment feature 36 that mates with the third attachment feature 24.

It can be understood that the cooperation of first detachable member 13, second detachable member 23, third detachable member 24 and fourth detachable member 36 can realize walking mechanism 1, frame 2 and grinding mechanism 3's dismantlement connection betterly, ensures the steadiness after walking mechanism 1, frame 2 and grinding mechanism 3 connect simultaneously, and then prevents that the three from appearing rocking or the micro displacement from causing the influence to grinding mechanism 3's grinding quality, has guaranteed the quality of polishing.

Specifically, in the present embodiment, the first detachable component 13 includes a supporting plate 131 and a first positioning block 132, the first positioning block 132 is disposed on the supporting plate 131, and the supporting plate 131 is disposed corresponding to the axle 112 of the traveling assembly 11; the second detachable part 23 comprises a second positioning block 231 and a locking member 232 arranged on the second positioning block 231, the second positioning block 231 can be matched with the first positioning block 132 to realize position matching of the frame 2 and the traveling mechanism 1, the locking member 232 can be locked on the first positioning block 132 to ensure stable connection of the frame 2 and the traveling mechanism 1, and the locking member 232 can be arranged into related structures such as a locking piece, a locking buckle and the like; one of the third detachable member 24 and the fourth detachable member 36 is a positioning column, the other one is a positioning hole, the third detachable member 24 and the fourth detachable member 36 are both provided with a plurality of positioning columns, and the stable connection between the polishing mechanism 3 and the frame 2 can be well ensured by the matching of the positioning columns and the positioning holes. Of course, in other embodiments of the present invention, the first detachable part 13, the second detachable part 23, the third detachable part 24, and the fourth detachable part 36 may also be selected as other types of detachable fastening structures according to actual requirements, and need not be described herein.

In some embodiments, the rail grinding apparatus further comprises a power control mechanism 5, and the power control mechanism 5 comprises an electric cabinet 53, a battery pack 54, a main control panel 51 and a sub-control panel 52. The electric cabinet 53 and the battery pack 54 are provided on the vehicle body frame 2, and the main control panel 51 and the sub-control panel 52 are provided on the vehicle body frame 2.

The battery pack 54 can provide power for the driving structures of the electric cabinet 53, the main control panel 51, the auxiliary control panel 52, the travelling mechanism 1 and the grinding mechanism 3, mainly uses a lithium iron cell as a power source, and is internally provided with a protection plate structure with voltage limiting, current limiting and short-circuit protection.

The electric cabinet 53 is used for controlling the traveling mechanism 1 and the polishing mechanism 3, and can calculate the polishing amount of the polishing mechanism 3 according to the detection result of the detection mechanism 4.

According to different positions of an operator on the vehicle frame 2, one of the main control panel 51 or the auxiliary control panel 52 can be used, so that when the travelling mechanism 1 moves in two different directions in the length direction of the steel rail 100, the operator can control the movement of the travelling mechanism 1 and the grinding of the grinding mechanism 3 on the steel rail 100 in real time comfortably, and can observe the state of the steel rail 100 in real time.

In some specific embodiments, the power control mechanism 5 further includes a control box rack 55 for mounting the main control panel 51 and the sub-control panel 52.

In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (10)

1. A rail grinding device for grinding two spaced rails (100), comprising:

a traveling mechanism (1) that can travel on the rail (100) along the longitudinal direction of the rail (100), the traveling mechanism (1) being configured to travel along the rail (100);

the frame (2), the said frame (2) is set up on the said running gear (1) removably;

at least two grinding machanism (3), two grinding machanism (3) interval set up in on frame (2), grinding machanism (3) with the connection can be dismantled in frame (2), grinding machanism (3) are including drive structure and grinding component (31), grinding component (31) with the output of drive structure is connected, drive structure can drive grinding component (31) is relative rail (100) activity makes grinding component (31) are polished along predetermineeing the angle rail (100).

2. A rail grinding device according to claim 1, characterized in that it further comprises a detection mechanism (4), said detection mechanism (4) being provided at both ends of said carriage (2), said detection mechanism (4) comprising at least two detection members, said two detection members being provided above said rail (100), respectively, said detection members being adapted to obtain the actual profile and surface condition of said rail (100).

3. A rail grinding apparatus according to claim 2, wherein the detecting mechanism (4) further comprises a mounting member (42), the mounting member (42) is provided on the carriage (2), two ends of the mounting member (42) are respectively provided corresponding to the two rails (100), two ends of the mounting member (42) are respectively provided with at least two detecting members, and the two detecting members are respectively provided on two sides of the rail (100) and are arranged toward the rail (100).

4. A rail grinding apparatus according to claim 2, wherein said inspection means comprises an eddy current flaw detector (411) and a laser profile detector (412), and at least one of said eddy current flaw detector (411) and two of said laser profile detectors (412) are provided on each of said rails (100), and two of said laser profile detectors (412) are provided on both sides of said grinding means (3) in a length direction of said rails (100).

5. A rail grinding apparatus according to claim 1, wherein the grinding mechanism (3) further comprises a grinding carriage (32), the drive arrangement comprising:

the first driving assembly (33), the first driving assembly (33) is arranged on the grinding frame (32), the output end of the first driving assembly (33) is connected with the grinding assembly (31), and the first driving assembly (33) is used for driving the grinding assembly (31) to move along the vertical direction;

the second driving assembly (34) is arranged on the grinding frame (32), the output end of the second driving assembly (34) is connected with the first driving assembly (33), and the second driving assembly (34) is used for driving the first driving assembly (33) to rotate around the length direction of the steel rail (100);

the third driving assembly (35) is arranged on the grinding frame (32), the output end of the third driving assembly (35) is connected with the second driving assembly (34), and the third driving assembly (35) is used for driving the second driving assembly (34) to move along the distribution directions of the two steel rails (100).

6. A rail grinding apparatus according to claim 5, wherein the second drive assembly (34) comprises:

a second driver (341);

a first mating portion (342), the first mating portion (342) being connected to an output end of the second driver (341);

the second matching part (343), the second matching part (343) is connected to the output end of the third driving assembly (35) and the first driving assembly (33) in a rotating mode, and the second matching part (343) is matched with the first matching part (342).

7. A rail grinding device according to claim 1, wherein the travelling mechanism (1) comprises:

the plurality of walking assemblies (11) are arranged along the length direction of the steel rail (100) at intervals, each walking assembly (11) comprises two walking wheels (111), and each walking wheel (111) is arranged on one steel rail (100);

the output end of the walking driving piece (12) is connected with one walking component (11).

8. A rail grinding apparatus according to claim 1, wherein the carriage (2) includes a plurality of idler wheels (22), the outer peripheral surfaces of the idler wheels (22) being tangential to the side walls of the rail (100), the idler wheels (22) being arranged to guide movement of the carriage (2) along the length of the rail (100).

9. A rail grinding device according to claim 1, characterized in that the running gear (1) comprises a first fitting part (13), the carriage (2) comprises a second fitting part (23) cooperating with the first fitting part (13), the carriage (2) further comprises a third fitting part (24), and the grinding gear (3) comprises a fourth fitting part (36) cooperating with the third fitting part (24).

10. A rail grinding device according to claim 1, further comprising a power control mechanism (5), the power control mechanism (5) comprising an electric cabinet (53), a battery pack (54), a main control panel (51) and a sub-control panel (52), the electric cabinet (53), the battery pack (54), the main control panel (51) and the sub-control panel (52) being provided on the carriage (2).

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