CN105862528A - Rail polishing device - Google Patents

Abstract

The invention discloses a rail polishing device which comprises a driving mechanism and a support used for fixing the rail polishing device on a rail. A polishing wheel is mounted on the support, a working face of the polishing wheel is identical with a shape in which the rail needs to be polished, the polishing wheel is vertically arranged to be above the rail, the driving mechanism is used for driving the polishing wheel to rotate, and a first moving mechanism used for enabling the polishing wheel to move vertically is arranged on the support. The rail polishing device is high in universality and can realize accurate polishing of the rail.

Description

A track grinding device

technical field

The invention belongs to the technical field of track maintenance, and in particular relates to a track grinding device.

Background technique

When the train is running on the track, there is a huge extrusion force and punching force between the train wheel and the track. After long-term operation, various damages and wears will appear on the surface of the train track, such as wavy wear of the track, rail surface Scratches, rail surface peeling, rail side wear, cracks, rail head crushing and fat edges, etc., not only affect the ride comfort, but also cause safety hazards to driving safety. Therefore, the track of the train needs to be repaired regularly and irregularly using grinding equipment.

The grinding equipment for train tracks is divided into large grinding vehicles and small grinding machines. Large grinding vehicles mainly use a combination of multiple grinding wheels to ensure the profile of the rails, but the maneuverability is poor and the transition is difficult. The usual small train grinding machine uses a grinding wheel to grind the track, and uses the grinding wheel plane to go back and forth on the track for many times to complete the grinding. It is difficult to achieve the target profile of the rail and cannot achieve precise grinding. During use, the operator needs to be polished. The device is supported, and the labor intensity is very large. The operator also needs to control the balance of the grinding device, and the quality of grinding has a lot to do with the technical level of the operator.

Therefore, it is a problem to be solved urgently for those skilled in the art to provide a track grinding device that has strong versatility and can realize precise grinding of tracks.

Contents of the invention

In view of this, the object of the present invention is to provide a track grinding device which has strong versatility and can realize precise grinding of tracks.

To achieve the above object, the present invention provides the following technical solutions:

A track grinding device, comprising a drive mechanism and a bracket for fixing the track grinding device on a track, a grinding wheel is installed on the bracket, and the working surface of the grinding wheel is in accordance with the shape of the track to be polished Similarly, the grinding wheel is vertically arranged so that the grinding wheel is above the track, the driving mechanism is used to drive the grinding wheel to rotate, and a device for making the grinding wheel vertical is also arranged on the support. The first moving mechanism that moves straight.

Preferably, a fixing device for fixing the track grinding device on the track is also provided on the bracket.

Preferably, the fixing device includes a locating piece hinged on the bracket, the locating piece is located inside the rail, an elastic component is hinged on the locating piece, the other end of the elastic component is connected to the The bracket is hinged, and the elastic component makes the positioning member close to the track.

Preferably, the positioning member includes a positioning rod, one end of the positioning rod is hinged to the bracket, and a stop wheel is provided at the end of the positioning rod away from the bracket.

Preferably, a support wheel for supporting the track grinding device is further provided at the bottom of the bracket, and the support wheel is in contact with the top surface of the track.

Preferably, the first moving mechanism includes a first handwheel and a first installation block arranged on the bracket, and the rotation of the first handwheel makes the first installation block vertical on the bracket move, the grinding wheel is installed on the first mounting block.

Preferably, a modifying mechanism for modifying the grinding wheel is also provided on the support.

Preferably, the modification mechanism includes a mounting seat installed on the bracket, and a modification member is arranged on the mounting seat, and the modification member can move vertically on the mounting seat and is perpendicular to the Horizontal movement of the track.

Preferably, a second handwheel, a third handwheel and a second installation block are arranged on the mounting seat, the modification member is fixedly installed on the second installation block, and the rotation of the second handwheel makes the The modification member moves vertically, and the rotation of the third handwheel causes the modification member to move horizontally perpendicular to the track.

A method for orbital grinding, the method comprising the following steps:

1) Turn the first hand wheel so that when the track grinding device is fixed on the track, the grinding wheel does not contact the track surface;

2) Place the bracket on the track so that the support wheel is in contact with the track surface, and rotate the positioning piece so that the positioning piece fixes the bracket on the track under the action of the elastic piece;

3) Start the driving mechanism to make the grinding wheel run, turn the first hand wheel, control the feed of the grinding wheel, and grind the track.

The track grinding device provided by the present invention includes a drive mechanism and a bracket for fixing the track grinding device on the track, a grinding wheel is installed on the bracket, the grinding wheel is vertically arranged so that the grinding wheel is above the track, and the drive The mechanism is used to drive the grinding wheel to rotate, and a first moving mechanism for vertically moving the grinding wheel is also arranged on the bracket. When the track is polished, the track grinding device is first fixed on the track, then the grinding wheel is driven to rotate by the driving mechanism, and finally the track is polished by controlling the vertical movement of the grinding wheel. Due to the small size of the track grinding device, strong mobility, easy transition, and is suitable for grinding the sideways of the track, it has strong versatility, and because the grinding process only requires the staff to control the feeding amount of the grinding wheel, it is effective Eliminate the inability to achieve precise grinding of the track caused by the limitation of the technical level of the staff in the prior art.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the three-dimensional structure of the orbit grinding device provided by the embodiment of the present invention;

Fig. 2 is the front view of the track grinding device provided by the embodiment of the present invention;

Fig. 3 is the left side view of the track polishing device provided by the embodiment of the present invention;

Fig. 4 is a top view of the track grinding device provided by the embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

This example is written in a progressive manner.

As shown in Figures 1 to 4, this embodiment provides a track grinding device, including a drive mechanism 1 and a bracket 3 for fixing the track grinding device on the track 2, and a grinding wheel 4 is installed on the bracket 3. The working surface of the grinding wheel 4 is identical to the shape that the track 2 needs to be polished. The grinding wheel 4 is vertically arranged so that the grinding wheel 4 is above the track 2. The driving mechanism 1 is used to drive the grinding wheel 4 to rotate. For the first moving mechanism 5 that makes the grinding wheel 4 move vertically.

The embodiment of the present invention provides a track grinding device. When grinding the track 2, first fix the track grinding device on the track 2, then drive the grinding wheel 4 to rotate through the drive mechanism 1, and finally control the vertical movement of the grinding wheel 4 Amount of movement to sand track 2. Due to the small size of the track grinding device, strong mobility, easy transition, and is suitable for grinding the sideways of the track, it has strong versatility, and because the grinding process only requires the staff to control the feeding amount of the grinding wheel, it is effective Eliminate the inability to achieve precise grinding of the track caused by the limitation of the technical level of the staff in the prior art.

In the embodiment of the present invention, a fixing device 6 for fixing the track grinding device on the track 2 is also provided on the bracket 3 .

Wherein, the fixing device 6 comprises, a positioning piece 61 hinged on the bracket 3, the positioning piece 61 is located at the inner side of the track 2, an elastic component 62 is hinged on the positioning piece 61, the other end of the elastic component 62 is hinged with the support, and the elastic component 62 Make the positioning piece 61 close to the track 2 . In order to enable the bracket 3 to be firmly fixed on the track 2, two fixing devices 6 are provided, which are respectively arranged at two ends of the bracket. When the track grinding device is placed on the track 2 , the positioning member 61 is manually rotated, the elastic member 62 is stretched, and the positioning member 62 is propped toward the track 2 , so that the positioning member 61 is close to the track 2 . Under the action of the two fixing devices 6 , the bracket 3 is clamped between the two rails 2 , so that the rail grinding device is fixed on the rails 2 .

Among them, the elastic member 62 is preferably a gas spring.

Wherein, the positioning member 61 includes a positioning rod 611 , one end of the positioning rod 611 is hinged to the bracket 3 , and a retaining wheel 612 is provided at the end of the positioning rod 611 away from the bracket 3 . The setting of the blocking wheel 612 enables the track grinding device to move on the track.

As a preferred manner, one fixing device 6 for fixing the track grinding device on the track 2 can also be provided, and a card wheel 613 is arranged at the other end of the bracket, and the card wheel 613 is arranged on the inner side of a single track 2 . When fixing the track grinding device on the track 2, first put the card wheel 613 against the inner side of the track 2, and then manually rotate the positioning member 61, so that the stop wheel 612 is close to the inner side of the other track 2, under the action of the elastic member 62 Next, keep the stop wheel 612 close to the inner side of the track 2, and under the action of the card wheel 613 and the stop wheel 612, the support 3 is fixed on the track 2.

In the embodiment of the present invention, in order to make it easier for the track grinding device to move on the track 2, that is, in order to reduce the friction between the bracket 3 and the track 2, a support for supporting the track grinding device is also provided at the bottom of the bracket 3. The supporting wheel 11 is in contact with the top surface of the track 2 .

The first moving mechanism 5 in the embodiment of the present invention comprises, the first handwheel 51 that is arranged on the bracket 3 and the first mounting block, the rotation of the first handwheel 51 makes the first mounting block move vertically on the bracket, and the grinding Wheel 4 is installed on the first mounting block.

Specifically, the driving mechanism 1 is installed on the first mounting block, the grinding wheel 4 is sleeved on the output shaft of the driving mechanism 1 , and the rotation of the output shaft drives the grinding wheel 4 to rotate. The first handwheel 51 is arranged horizontally, and a screw mandrel is vertically arranged on the first handwheel 51. The first mounting block is sleeved on the screw mandrel, and the first handwheel 51 rotates to make the screw mandrel rotate, and the screw mandrel is rotating. During the process, the first mounting block moves vertically on the screw rod, thereby finally making the grinding wheel 4 move vertically. The staff controls the feeding amount of the second grinding wheel 4 by the rotation of the first hand wheel 51 .

Wherein, in order to make the vertical movement of the first installation block stable, in the embodiment of the present invention, a guide bar is vertically arranged on the bracket 3, and a guide groove is vertically arranged on the first installation block, and the guide bar cooperates with the guide groove. And the guide bar is placed in the guide groove.

During the process of grinding the track 2 , the grinding wheel 4 will be worn, thereby affecting the grinding effect of the track 2 . In order to avoid the replacement of the grinding wheel 4 during the grinding process of the track 2, in the embodiment of the present invention, a modification mechanism 7 for modifying the grinding wheel 4 is also provided on the bracket 3. The modification mechanism 7 can modify the shape of the grinding wheel 4 on site when the grinding wheel 4 is worn, which improves the efficiency of grinding the track 2 .

Wherein, the modification mechanism 7 comprises, is installed on the mounting seat 71 on the support 3, is provided with the modification part 72 on the mounting seat 71, and the modification part 72 can move vertically on the mounting seat 71 and is perpendicular to the level of the track 2. move.

Specifically, the second handwheel 52, the third handwheel 53 and the second mounting block are arranged on the mounting seat 71, the modification part 72 is fixedly installed on the second installation block, and the second hand wheel 52 rotates so that the modification part 72 moves vertically, and the third hand wheel 52 rotates so that the trimming member 72 moves horizontally perpendicular to the track 2 .

Wherein, the installation base 71 may be fixedly installed on the first installation block, or fixedly installed on the bracket 3 .

An embodiment of the present invention also provides a method for orbital polishing, the method comprising the following steps:

1) Turn the first hand wheel 51 so that when the track grinding device is fixed on the track 2, the grinding wheel 4 does not contact the surface of the track 2;

2) Place the bracket 3 on the track 2, so that the support wheel 11 is in contact with the surface of the track 2, and rotate the positioning member 61, so that the positioning member 61 fixes the bracket 3 on the track 2 under the action of the elastic member 62;

3) Start the drive mechanism 1 to make the grinding wheel 4 run, turn the first handwheel 51 to control the feed rate of the grinding wheel 4, and grind the track 2.

The driving mechanism 1 in the embodiment of the present invention is a motor or a small internal combustion engine, preferably a small internal combustion engine.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A track grinding device, characterized in that it includes a drive mechanism (1) and a bracket (3) for fixing the track grinding device on the track (2), and a Grinding wheel (4), the working surface of the grinding wheel (4) is the same as the shape of the track (2) to be polished, and the grinding wheel (4) is vertically arranged so that the grinding wheel (4) is in the position Above the track (2), the driving mechanism (1) is used to drive the grinding wheel (4) to rotate, and a device for vertically moving the grinding wheel (4) is also provided on the bracket (3). The first moving mechanism (5). 2. The track grinding device according to claim 1, characterized in that, a fixing device (6) for fixing the track grinding device on the track (2) is also provided on the support (3) . 3. The track grinding device according to claim 2, characterized in that, the fixing device (6) includes a positioning piece (61) hinged on the bracket (3), and the positioning piece (61) is in On the inner side of the track (2), an elastic part (62) is hinged on the positioning part (61), and the other end of the elastic part (62) is hinged with the bracket (3), and the elastic part ( 62) Make the positioning member (61) close to the track (2). 4. The track grinding device according to claim 3, characterized in that, the positioning member (61) includes a positioning rod (611), one end of the positioning rod (611) is hinged to the bracket (3), and the A retaining wheel (612) is provided at the end of the positioning rod (611) away from the bracket (3). 5. The track grinding device according to claim 1, characterized in that, a support wheel (11) for supporting the track grinding device is further provided at the bottom of the bracket (3), and the support wheel (11) in contact with the top surface of the rail (2). 6. The track grinding device according to claim 1, characterized in that, the first moving mechanism (5) comprises a first hand wheel (51) and a first mounting block arranged on the bracket (3) , the rotation of the first hand wheel (51) makes the first installation block move vertically on the support (3), and the grinding wheel (4) is installed on the first installation block. 7 . The track grinding device according to claim 1 , characterized in that, a modification mechanism ( 7 ) for modifying the grinding wheel ( 4 ) is further provided on the support ( 3 ). 7 . 8. The track grinding device according to claim 7, characterized in that, the modification mechanism (7) includes a mounting seat (71) installed on the bracket (3), and the mounting seat (71) A modification piece (72) is provided on the top, and the modification piece (72) can move vertically on the mounting seat (71) and move horizontally perpendicular to the track (2). 9. The track grinding device according to claim 8, characterized in that a second handwheel (52), a third handwheel (53) and a second installation block are arranged on the mounting seat (71), and the The modification part (72) is fixedly installed on the second installation block, the rotation of the second hand wheel (52) makes the modification part (72) move vertically, and the third hand wheel (53) rotates The horizontal movement of the modification element (72) is made perpendicular to the rail (2). 10. A method for orbit grinding, characterized in that the method comprises the following steps: 1) Turn the first hand wheel (51) so that when the track grinding device is fixed on the track (2), the grinding wheel (4) does not contact the surface of the track (2); 2) Place the bracket (3) on the track (2) so that the support wheel (11) is in contact with the surface of the track (2), and turn the positioning piece (61) so that the positioning piece (61) is on the elastic part (62) Fix the bracket (3) on the track (2) under the action of 3) Start the driving mechanism (1), make the grinding wheel (4) run, turn the first handwheel (51), control the feed rate of the grinding wheel (4), and grind the track (2).