CN218856469U - Wheel pair grinding device - Google Patents

Abstract

The utility model discloses a wheel pair grinding device, include: the sliding platform is arranged at one end of the dynamic balance detection equipment bearing wheel set and is positioned on the radial outer side of the wheel set; the arc-shaped guide rail is arranged on the sliding platform; the arc guide rail moves back and forth between the two wheels along the sliding platform so that the inner arc surface of the arc guide rail is aligned with the tread of the wheel to be ground; the mounting seat is arranged on the arc-shaped guide rail and moves back and forth along the arc direction of the arc-shaped guide rail; the polishing component is arranged at one end of the mounting seat close to the wheel to be polished; and the one end of the part of polishing and the dynamic unbalance position butt of treating the wheel of polishing, the other end and the output shaft of motor for treat the dynamic unbalance position of the wheel of polishing and carry out the heavy polishing under the drive of motor. The utility model can polish the wheel in situ, effectively reduce the times of wheel pair disassembly and the times of manual wheel pair pushing and transporting; and the automatic operation is realized by replacing manpower with machinery, so that the polishing efficiency and quality are improved.

Description

Wheel pair grinding device

Technical Field

The utility model relates to a wheel pair overhauls technical field, especially relates to a grinding device that is used for wheel pair dynamic balance to remove heavy.

Background

The wheel set is one of key parts for the operation of the railway vehicle, the dynamic balance means that the wheel set can keep a relatively stable state when rotating at a high speed, the vehicle operates stably when the wheel set is in dynamic balance, and the vehicle has the phenomena of serious bumpiness, abnormal jitter and the like when the wheel set is in dynamic unbalance. Therefore, dynamic balance measurement and de-weighting of wheel sets are two critical processes in the manufacture and maintenance of vehicles.

At present, the dynamic balance measurement and the de-weighting operation mode of the wheel set are as follows: measuring the dynamic unbalance amount of the wheel pair on a dynamic balancing machine, and marking the dynamic unbalance position; then removing the wheel pair from the dynamic balancing machine, placing the wheel pair in a special de-weighting and grinding area, and grinding and de-weighting the unbalanced position by a manual hand-held angle grinder or a hand-held hard alloy grinding head; because the grinding operation generally adopts the principle of 'removing a small amount of weight for many times', the wheel set needs to be placed on the dynamic balancing machine again for measurement after the weight removal is finished, and if the unbalance amount still exists, the operation needs to be repeated for many times. Therefore, the operation mode of the dynamic balance weight removal of the existing wheel set is high in labor intensity and low in efficiency, and meanwhile, the manual grinding weight removal can also cause low weight removal precision and easily damage other parts (such as a brake disc, a noise reduction plate and the like) on the wheel set.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wheel pair grinding device, which can grind the wheel to be ground on site, and effectively reduce the times of wheel pair disassembly and the times of round trip of manually pushing and transporting the wheel pair; meanwhile, the manual work is replaced by the mechanical work, so that the automatic operation is realized, and the polishing efficiency and quality are improved.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a wheel pair grinding device is characterized in that a wheel pair is placed on dynamic balance detection equipment, the dynamic balance detection equipment is used for carrying out dynamic balance measurement on the wheel pair, and the wheel pair comprises two wheels which are oppositely arranged and an axle connected with the two wheels; wheel pair grinding device includes:

the sliding platform is arranged at one end of the dynamic balance detection equipment for bearing the wheel pair and is positioned on the radial outer side of the wheel pair;

the arc-shaped guide rail is arranged on the sliding platform; the arc-shaped guide rail reciprocates between the two wheels along the sliding platform so that the inner arc surface of the arc-shaped guide rail is aligned with the tread of the wheel to be polished;

the mounting seat is arranged on the arc-shaped guide rail and moves back and forth along the arc direction of the arc-shaped guide rail; and

the polishing component is arranged at one end of the mounting seat close to the wheel to be polished; and one end of the polishing component is abutted against the dynamic unbalance position of the wheel to be polished, and the other end of the polishing component is connected with an output shaft of the motor and used for performing weight-removing polishing on the dynamic unbalance position of the wheel to be polished under the driving of the motor.

Preferably, the skidding platform comprises:

the first guide rail is arranged at one end of the dynamic balance detection equipment for bearing the wheel pair, and the length direction of the first guide rail is parallel to the axial direction of the axle;

the second guide rail is arranged on the first guide rail and is in sliding connection with the arc-shaped guide rail, and the length direction of the second guide rail is vertical to the direction of the first guide rail;

the second guide rail reciprocates along the length direction of the first guide rail so as to drive the arc-shaped guide rail to reciprocate between the two wheels; the arc-shaped guide rail reciprocates along the length direction of the second guide rail so as to be close to or far away from the tread of the wheel to be ground.

Preferably, the radian of the arc-shaped guide rail is adjustable, so that the inner arc surface of the arc-shaped guide rail and the tread of the wheel to be ground form a concentric circle.

Preferably, the wheel set grinding device further comprises:

the first baffle is abutted with the inner cambered surface of the arc-shaped guide rail;

the second baffle is abutted against the outer arc surface of the arc guide rail; the second baffle is opposite to the first baffle;

the first end of the long rod is fixedly connected with the first baffle and the second baffle; the long rod is pushed and pulled to drive the first baffle plate and the second baffle plate to move along the direction close to or far away from the wheel tread to be polished so as to adjust the radian of the arc-shaped guide rail; and

the first hand wheel is fixedly connected with the second end of the long rod and used for pushing and pulling the long rod; and the second end and the first end of the long rod are oppositely arranged.

Preferably, the wheel set grinding device further comprises: the moving component is connected with one end of the mounting seat close to the wheel to be polished in a sliding manner; and one end of the moving component, which is close to the wheel hub of the wheel to be polished, is rotatably connected with the polishing component and is used for bearing the polishing component and driving the polishing component to be close to or far away from the wheel hub of the wheel to be polished so as to adjust the grinding depth of the polishing component.

Preferably, the wheel set grinding device further comprises:

the first end of the adjusting rod is meshed and connected with the moving component through a gear and a rack; the adjusting rod rotates to drive the moving part to move along the direction close to or far away from the wheel hub of the wheel to be polished;

the second hand wheel is fixedly connected with the second end of the adjusting rod and is used for rotating the adjusting rod; and the second end of the adjusting rod is arranged opposite to the first end.

Preferably, in the wheel set grinding device, the gear is fixed to the first end of the adjusting rod, and the rack is fixed to the bottom of the moving part.

Preferably, the wheel set grinding device is characterized by further comprising: a vacuum cleaner; the dust collector comprises:

the suction head is arranged on the mounting seat and is used for absorbing dust generated during the process of removing heavy objects and grinding;

and the dust box is connected with the suction head through a flexible pipe and is used for storing the dust.

Preferably, the wheel set grinding device further comprises: a housing; and the arc-shaped guide rail, the mounting seat, the first baffle and the second baffle are all positioned in the shell.

Compared with the prior art, the utility model at least has one of following advantage:

the utility model provides a wheel pair grinding device, a sliding platform is arranged at one end of a bearing wheel pair of dynamic balance detection equipment and is positioned at the radial outer side of the wheel pair; the arc guide rail moves back and forth between the two wheels along the sliding platform so that the inner arc surface of the arc guide rail is aligned with the tread of the wheel to be ground; the mount pad is along arc direction reciprocating motion of arc guide rail, and sets up the one end of the part of polishing on the mount pad and the dynamic unbalance position butt of the wheel of waiting to polish, the output shaft of the other end and motor for the dynamic unbalance position of the wheel of polishing is treated under the drive that the part of polishing can the motor carries out the automatic heavy polishing of going.

The utility model discloses a wheel pair grinding device sets up in the one end that dynamic balance check out test set bore the wheel pair, when dynamic unbalance appears in the wheel pair with dynamic balance equipment shut down not rotate, the wheel pair keeps the original position, need not dismantle, can treat the wheel of polishing and carry out on the throne and polish, the mode of off-line polishing among the traditional art has been changed, the number of times of dismantling and the number of times of coming and going of artifical fortune wheel pair of wheel pair have effectively been reduced, still reduced the wheel pair simultaneously and done dynamic balance measuring preparation work many times, the operating efficiency has improved original 2 ~ 3 times.

The utility model discloses the part of polishing can go heavily to polish at the uniform velocity rotatory and treat the dynamic unbalance position of the wheel of polishing under the drive of motor, has changed the mode that artifical handheld tool polished in the conventional art, replaces the manual work through machinery and can realize automatic operation, has liberated the manpower simultaneously and effectively reduced operation personnel's intensity of labour.

The utility model discloses a motor drives the part of polishing and goes to remove heavily and polish, can also guarantee to remove the uniformity of heavily polishing the effect, and the quality of polishing is stabilized simultaneously, avoids artifical polishing in the traditional art to have certain uncertainty, also can avoid the manual work simultaneously because carelessly other problems that the carelessness leads to ensure that other important positions of wheel pair are at the in-process not damaged of polishing.

The utility model discloses a dust catcher can realize automatic dust exhaust, has reduced the dust filth of operation scene, and at the automatic in-process of polishing simultaneously, the people can so that supervisory equipment operation can, need not closely to stare at the accuse, has ensured that the in-process of polishing can not have dust pollution to the operation personnel.

Drawings

Fig. 1 is a schematic structural view of a wheel set grinding device provided in a dynamic balance detection apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a wheel set grinding device according to an embodiment of the present invention;

fig. 3 is a front view of a wheel set grinding apparatus according to an embodiment of the present invention;

fig. 4 is a rear view of a wheel set grinding device according to an embodiment of the present invention.

Detailed Description

The present invention provides a wheel set grinding device, which is described in detail below with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are not to precise scale, and are provided for convenience and clarity in order to assist in describing embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the accompanying drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

With reference to fig. 1 to 4, in this embodiment, a wheel pair grinding apparatus is provided, where the wheel pair 100 is placed on a dynamic balance detection device 110, the dynamic balance detection device 110 is used to perform dynamic balance measurement on the wheel pair 100, and the wheel pair 100 includes two wheels 101 arranged oppositely and an axle 102 connected to the two wheels 101; the wheel pair grinding device comprises: the sliding platform 210 is arranged at one end of the dynamic balance detection device 110, which bears the wheel pair 100, and is located at the radial outer side of the wheel pair 100; the arc-shaped guide rail 220 is arranged on the sliding platform 210; the arc-shaped guide rail 220 moves back and forth between the two wheels 101 along the sliding platform 210, so that the inner arc surface of the arc-shaped guide rail 220 is aligned with the tread of the wheel to be ground; a mounting seat 230 disposed on the arc-shaped guide rail 220, wherein the mounting seat 230 reciprocates along an arc direction of the arc-shaped guide rail 220; the grinding component 240 is arranged at one end of the mounting seat 230 close to the wheel to be ground; and one end of the polishing component 240 is abutted against the dynamic unbalance position of the wheel to be polished, and the other end of the polishing component is connected with an output shaft of the motor and used for performing weight-removing polishing on the dynamic unbalance position of the wheel to be polished under the driving of the motor. Preferably, the grinding member 240 may be a custom alloy grinding head.

Specifically, in this embodiment, the contact surface of the wheel 101 and the steel rail during operation is the tread of the wheel 101, the part of the wheel 101 combined with the axle 102 is the hub of the wheel 101, and the dynamic unbalance position of the wheel to be polished is generally located on the hub, but the present invention is not limited thereto.

With continued reference to fig. 1, the sliding platform 210 includes: a first guide rail 2101 arranged at one end of the dynamic balance detection device 110, which carries the wheel pair 100, and the length direction of the first guide rail 2101 is parallel to the axial direction of the axle 102; a second guide rail 2102, which is slidably disposed on the first guide rail 2101 and slidably connected to the arc-shaped guide rail 220, wherein a length direction of the second guide rail 2102 is perpendicular to a direction of the first guide rail 2101; the second rail 2102 reciprocates along the length direction of the first rail 2101 to drive the arc-shaped rail 220 to reciprocate between the two wheels 101; the arc-shaped guide rail 220 moves back and forth along the length direction of the second guide rail 2102 to be close to or far away from the tread of the wheel to be ground.

Specifically, in this embodiment, the first guide rail 2101 may be fixed to the front side of the dynamic balance detection apparatus 110, and the second guide rail 2102 may be fixed to the first guide rail 2101 by a first slider 2103, so that the second guide rail 2102 may horizontally and laterally move along the first guide rail 2101, so that the arc-shaped guide rail 220 reciprocates between the two wheels 101, thereby implementing the weight-removing and grinding of the two wheels 101. The arc-shaped guide rail 220 can be fixed on the second guide rail 2102 through a second sliding block, so that the arc-shaped guide rail 220 can horizontally and longitudinally move along the second guide rail, the inner arc surface of the arc-shaped guide rail 220 can be close to or far away from the tread of the wheel to be ground, and the grinding component 240 can be aligned to the dynamic unbalance position of the wheel to be ground. Preferably, the first slide 2103 is a T-shaped slide; and the second rail 2102 and the arc-shaped rail 220 can be locked and fixed at corresponding positions by a standard slider locking block, but the present invention is not limited thereto.

With continued reference to fig. 1, the arc of the arc-shaped guide rail 220 may be adjusted so that the inner arc surface of the arc-shaped guide rail 220 forms a concentric circle with the tread of the wheel to be ground.

It can be understood that the wheelset grinding device further comprises: a first shutter 251 abutting against the inner arc surface of the arc guide rail 220; the second baffle is abutted with the outer arc surface of the arc guide rail 220; the second baffle is opposite to the first baffle 251, the extrados and the intrados of the arc-shaped guide rail 220 are opposite, and the corresponding radius of the extrados of the arc-shaped guide rail 220 is larger than that of the intrados of the arc-shaped guide rail 220; a long rod, a first end of which is fixedly connected with the first baffle 251 and the second baffle; the long rod is pushed and pulled to drive the first baffle 251 and the second baffle to move along the direction close to or far away from the wheel tread to be polished so as to adjust the radian of the arc-shaped guide rail 220; the first hand wheel 252 is fixedly connected with the second end of the long rod and used for pushing and pulling the long rod; and the second end and the first end of the long rod are oppositely arranged.

Specifically, in this embodiment, the long rod may be a threaded rod, and the first blocking plate 251 and the second blocking plate may be fixedly connected to the long rod through a thread. More specifically, through horizontal lateral shifting and horizontal longitudinal movement, make the intrados of arc guide rail 220 aligns the back with the tread of waiting to polish the vehicle, can adjust through the push-and-pull the stock the radian of arc guide rail 220 carries out the fine setting after the thick counterpoint promptly, thereby makes the intrados of arc guide rail 220 can correspond and have the tread formation concentric circles of waiting to polish the wheel of different diameters, and then guarantees polishing part 240 all is in effectual grinding range within range, so that wheel pair grinding device can go heavily to polish the wheel of diameter difference, has better suitability, nevertheless the utility model discloses do not use this as the limit.

Specifically, in this embodiment, when the radian of the arc-shaped guide rail 220 is adjusted, the long rod is pulled by the first hand wheel 252 in a direction away from the wheel tread to be polished, so as to drive the first baffle 251 and the second baffle to move in the direction away from the wheel tread to be polished, and the radian of the arc-shaped guide rail 220 clamped between the first baffle 251 and the second baffle becomes larger; through first hand wheel 252 promotes to the direction that is close to the wheel tread of waiting to polish the stock can drive first baffle 251 with the second baffle is along the direction removal of being close to the wheel tread of waiting to polish, then the centre gripping in first baffle 251 with between the second baffle the radian of arc guide rail 220 diminishes, nevertheless the utility model discloses do not use this as the limit.

With continued reference to fig. 1, the wheelset grinding apparatus further includes: the moving part 241 is connected with one end, close to the wheel to be polished, of the mounting seat 230 in a sliding mode; and one end of the moving part 241, which is close to the hub of the wheel to be polished, is rotatably connected with the polishing part 240, and is used for bearing the polishing part 240 and driving the polishing part 240 to be close to or far away from the hub of the wheel to be polished, so as to adjust the grinding depth of the polishing part 240.

It can be understood that the wheelset grinding device further comprises: an adjusting rod 242, a first end of which is engaged with the moving member 241 through a gear and a rack; the adjusting rod 242 rotates to drive the moving part 241 to move in a direction close to or far away from the wheel hub of the wheel to be ground; a second hand wheel 243 fixedly connected to a second end of the adjustment lever 242 for rotating the adjustment lever 242; and a second end of the adjusting lever 242 is disposed opposite to the first end.

It is understood that the gear is fixed to a first end of the adjustment lever 242, and the rack is fixed to a bottom of the moving member 241.

Specifically, in this embodiment, the grinding member 240 may be rotatably connected to one end of the moving member 241, which is close to the wheel hub to be ground, through a bearing, the grinding member 240 is fixedly connected to an inner ring of the bearing, and the moving member 241 is fixedly connected to an outer ring of the bearing. The rack gear may be laid on the inner bottom of the moving member 241 in the length direction of the moving member 241. The gear may be keyed to the adjustment lever 242. More specifically, the second hand wheel 243 is rotated clockwise, so as to drive the adjusting rod 242 and the gear to rotate clockwise, thereby driving the rack and the moving part 241 to retreat, i.e. to move in a direction away from the wheel hub of the wheel to be polished, and further driving the polishing part 240 to move in a direction away from the wheel hub of the wheel to be polished, at this time, the feed amount of the polishing part 240 becomes smaller, i.e. the grinding depth becomes smaller; the second hand wheel 243 is rotated counterclockwise to drive the adjusting rod 242 and the gear to rotate counterclockwise, so as to drive the rack and the moving component 240 to advance, i.e. to move in a direction close to the wheel hub to be polished, and further drive the polishing component 240 to move in a direction close to the wheel hub to be polished, at this time, the feeding amount of the polishing component 240 is increased, i.e. the grinding depth is increased; therefore, the polishing removal amount of the polishing component 240 can be controlled by rotating the second hand wheel 243, so that the polishing depth required by the dynamic unbalance position of the wheel to be polished can be conveniently achieved, but the present invention is not limited thereto.

Specifically, in this embodiment, the mounting seat 230 may be fixed on the arc-shaped guide rail 220 by a V-shaped wheel; after the grinding depth of the polishing component 240 is adjusted, the mounting seat 230 may be connected to the linear lead screw module through a third slider, and the mounting seat 230, the third slider and the linear lead screw module form a slider-crank mechanism, so that the mounting seat 230 is driven by the linear lead screw module to move in an arc direction of the arc guide rail 220 in a reciprocating manner, thereby driving the polishing component 240 to move in an arc direction of the arc guide rail 220, and further performing reciprocating polishing on the dynamic unbalance position of the wheel to be polished for multiple times, so as to achieve the polishing depth and precision required by the process. More specifically, the linear lead screw module comprises a lead screw and a fourth sliding block sleeved on the lead screw, and the fourth sliding block is connected with the lead screw through threads; the first end of third slider with the fourth slider rotates to be connected, the second end of third slider with mount pad 230 rotates to be connected, just the first end and the second end of third slider set up relatively, nevertheless the utility model discloses it is not limited to this.

Specifically, in this embodiment, when dynamic unbalance occurs in the wheel set, the dynamic balance equipment is stopped and does not rotate, and the wheel set keeps the original position and does not need to be detached. After the radian of the arc-shaped guide rail is adjusted, the dynamic unbalance position of the wheel pair can be manually rotated to the corresponding position of the grinding part in place, and after the grinding depth of the grinding part is adjusted, the grinding part can be driven to rotate by the motor, so that the reciprocating automatic grinding of the wheel to be ground is realized; still take simultaneously "a small amount of heavy principles that goes many times", and polished once, through horizontal lateral shifting and horizontal longitudinal movement on the sliding platform withdraw from the part of polishing can be done dynamic balance to the wheel pair normal position immediately and measure to realized treating polishing on the throne of polishing the wheel, effectively reduced the dismantlement number of times of wheel pair and the number of times that comes and goes of artifical fortune wheel pair, nevertheless the utility model discloses do not use this as the limit.

With continued reference to fig. 1, the wheel set grinding device further includes: a dust collector 270; the dust collector comprises: a suction head arranged on the mounting seat 230 for absorbing dust generated during the re-polishing; and the dust box is connected with the suction head through a flexible pipe and is used for storing the dust.

Specifically, in this embodiment, when removing the operation of heavily polishing, the suction head can follow mount pad 230 removes, thereby follows polishing part 240 removes to can in time absorb and remove the operation of heavily polishing and produce the dust, and then reduce the dust filth of operation scene, guarantee operation personnel's personal safety, nevertheless the utility model discloses do not use this as the limit.

With continued reference to fig. 1, the wheelset grinding apparatus further includes: a housing 260; and the arc-shaped guide rail 220, the mounting seat 230, the first baffle 251 and the second baffle are all located in the housing 260, so as to protect the components and prevent people from touching by mistake.

Specifically, in this embodiment, one end of the arc-shaped guide rail 220 close to the second guide rail 2102 may be fixed to the bottom inside the housing 260, and the bottom of the housing 260 may be slidably connected to the second guide rail 2102 through the second slider; and the grinding part 240, the moving part 241, the first hand wheel 243 and the second hand wheel 251 are located outside the housing 260, and the adjustment lever 242 and the long rod all penetrate the housing 260.

In summary, the embodiment provides a wheel pair grinding device, in which a sliding platform is disposed at one end of a dynamic balance detection device bearing a wheel pair and located at a radial outer side of the wheel pair; the arc-shaped guide rail reciprocates between the two wheels along the sliding platform so that the inner arc surface of the arc-shaped guide rail is aligned with the tread of the wheel to be polished; the mount pad is along arc direction reciprocating motion of arc guide rail, and sets up the one end of the part of polishing on the mount pad and the dynamic unbalance position butt of the wheel of waiting to polish, the other end and the output shaft of motor for the part of polishing can be treated the dynamic unbalance position of the wheel of polishing under the drive of motor and carry out the automatic dead of polishing. In the embodiment, when the wheel pair is in dynamic unbalance, the dynamic balance equipment is stopped and does not rotate, the wheel pair keeps the original position, the wheel pair does not need to be disassembled, and the wheel to be polished can be polished in place, so that the off-line polishing mode in the traditional technology is changed, the disassembling times of the wheel pair and the round-trip times of manually pushing and transporting the wheel pair are effectively reduced, meanwhile, the preparation work of the wheel pair for performing dynamic balance measurement for multiple times is also reduced, and the operation efficiency is improved by 2-3 times; the grinding part can be driven by the motor to rotate at a constant speed and perform repeated grinding on the dynamic unbalance position of the wheel to be ground, so that the grinding mode of a manual handheld tool in the traditional technology is changed, automatic operation can be realized by replacing manual work with machinery, manpower is liberated, and the labor intensity of operators is effectively reduced; in addition, the grinding component is driven by the motor to perform the repeated grinding, the consistency of the repeated grinding effect can be ensured, the grinding quality is stable, certain uncertainty in manual grinding in the traditional technology is avoided, other problems caused by carelessness in the manual grinding can be avoided, and damage to other important parts of the wheel set in the grinding process is avoided.

While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims (9)

1. A wheel pair grinding device is characterized in that a wheel pair (100) is placed on a dynamic balance detection device (110), the dynamic balance detection device (110) is used for carrying out dynamic balance measurement on the wheel pair (100), and the wheel pair (100) comprises two wheels (101) which are arranged oppositely and an axle (102) connected with the two wheels (101); its characterized in that, wheel pair grinding device includes:

the sliding platform (210) is arranged at one end of the dynamic balance detection equipment (110) for bearing the wheel pair (100) and is positioned at the radial outer side of the wheel pair (100);

the arc-shaped guide rail (220) is arranged on the sliding platform (210); the arc-shaped guide rail (220) moves back and forth between the two wheels (101) along the sliding platform (210) so that the inner arc surface of the arc-shaped guide rail (220) is aligned with the tread of the wheel to be ground;

the mounting seat (230) is arranged on the arc-shaped guide rail (220), and the mounting seat (230) moves in a reciprocating manner along the arc direction of the arc-shaped guide rail (220); and

the grinding component (240) is arranged at one end of the mounting seat (230) close to the wheel to be ground; and one end of the polishing component (240) is abutted against the dynamic unbalance position of the wheel to be polished, and the other end of the polishing component is connected with an output shaft of the motor and used for carrying out weight-removing polishing on the dynamic unbalance position of the wheel to be polished under the driving of the motor.

2. The wheelset grinding apparatus of claim 1, wherein the skid platform (210) comprises:

the first guide rail (2101) is arranged at one end, carrying the wheel pair (100), of the dynamic balance detection device (110), and the length direction of the first guide rail (2101) is parallel to the axial direction of the axle (102);

the second guide rail (2102) is arranged on the first guide rail (2101) and is in sliding connection with the arc-shaped guide rail (220), and the length direction of the second guide rail (2102) is vertical to the direction of the first guide rail (2101);

the second guide rail (2102) moves in a reciprocating mode along the length direction of the first guide rail (2101) so as to drive the arc-shaped guide rail (220) to move between the two wheels (101) in a reciprocating mode; the arc-shaped guide rail (220) moves back and forth along the length direction of the second guide rail (2102) to be close to or far away from the tread of the wheel to be ground.

3. The wheel-set grinding device according to claim 2, characterized in that the arc of the curved rail (220) is adjustable so that the intrados of the curved rail (220) forms a concentric circle with the tread of the wheel to be ground.

4. The wheel-set grinding apparatus as set forth in claim 3, further comprising:

a first baffle (251) abutting against the inner arc surface of the arc-shaped guide rail (220);

the second baffle is abutted against the outer arc surface of the arc guide rail (220); and the second baffle is arranged opposite to the first baffle (251);

the first end of the long rod is fixedly connected with the first baffle plate (251) and the second baffle plate; the long rod is pushed and pulled to drive the first baffle plate (251) and the second baffle plate to move along the direction close to or far away from the wheel tread to be polished so as to adjust the radian of the arc-shaped guide rail (220); and

a first hand wheel (252) fixedly connected with the second end of the long rod and used for pushing and pulling the long rod; and the second end and the first end of the long rod are oppositely arranged.

5. The wheel-set grinding apparatus as set forth in claim 4, further comprising: the moving component (241) is connected with one end, close to the wheel to be ground, of the mounting seat (230) in a sliding mode; and one end of the moving component (241), which is close to the hub of the wheel to be polished, is rotatably connected with the polishing component (240) and is used for bearing the polishing component (240) and driving the polishing component (240) to be close to or far away from the hub of the wheel to be polished so as to adjust the grinding depth of the polishing component (240).

6. The wheel-set grinding apparatus as set forth in claim 5, further comprising:

a first end of the adjusting rod (242) is meshed and connected with the moving component (241) through a gear and a rack; the adjusting rod (242) rotates to drive the moving part (241) to move along the direction close to or far away from the wheel hub of the wheel to be polished;

a second hand wheel (243) fixedly connected with the second end of the adjusting rod (242) and used for rotating the adjusting rod (242); and the second end of the adjusting rod (242) is arranged opposite to the first end.

7. The wheel-set grinding device as claimed in claim 6, characterized in that the gear wheel is fixed to the first end of the adjusting lever (242) and the gear rack is fixed to the bottom of the moving member (241).

8. The wheel-set grinding apparatus according to any one of claims 1 to 7, further comprising: a vacuum cleaner (270); the dust collector comprises:

the suction head is arranged on the mounting seat (230) and is used for absorbing dust generated during repeated polishing;

and the dust box is connected with the suction head through a flexible pipe and is used for storing the dust.

9. The wheel-set grinding apparatus as set forth in claim 7, further comprising: a housing (260); and the arc-shaped guide rail (220), the mounting seat (230), the first baffle (251) and the second baffle are all positioned in the shell (260).

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