阅读说明：本技术 适用于轨道车辆车轮的自动校准装置 (Automatic calibration device suitable for rail vehicle wheel ) 是由 李文霞 吴玉石 丁江灏 周永星 李猛 黄陈磊 王亮 刘建 于 2021-08-23 设计创作，主要内容包括：本发明涉及轨道车辆车轮校准领域,且公开了适用于轨道车辆车轮的自动校准装置,其包括由工作台、支撑架和侧工作架组成的校准机构；工作台的顶端开设有滑槽,且其顶端通过滑槽卡合滑动连接有安装座,工作台上设置有用于驱动安装座滑动的滑动机构,安装座的一端固定有水平方向的圆杆一；侧工作架上靠近圆杆一的一侧固定有与圆杆一在同一水平位置的圆杆二；圆杆一和圆杆二上相互靠近的一侧均固定有轴承座,两个轴承座配合形成一个用于套接车轮的轴承机构且两个所述轴承座上相互远离的一端均连接有用于和车轮贴合的限位环。本发明在使转杆带动校准轮转动的时候,校准轮会不断地与车轮的圆周面进行摩擦,从而起到打磨车轮圆周面上不平整位置的作用。(The invention relates to the field of wheel alignment of rail vehicles and discloses an automatic alignment device suitable for wheels of rail vehicles, which comprises an alignment mechanism consisting of a workbench, a support frame and a side working frame; the top end of the workbench is provided with a sliding groove, the top end of the workbench is connected with an installation seat in a sliding mode through the sliding groove in a clamping mode, a sliding mechanism used for driving the installation seat to slide is arranged on the workbench, and a first round rod in the horizontal direction is fixed at one end of the installation seat; a round rod II which is at the same horizontal position as the round rod I is fixed on one side of the side working frame, which is close to the round rod I; and bearing seats are fixed on one sides, close to each other, of the first round rod and the second round rod, the two bearing seats are matched to form a bearing mechanism for sleeving a wheel, and the two bearing seats are matched with each other, and one ends, far away from each other, of the bearing seats are connected with limiting rings for being attached to the wheel. When the rotating rod drives the calibration wheel to rotate, the calibration wheel can continuously rub the circumferential surface of the wheel, so that the effect of polishing uneven positions on the circumferential surface of the wheel is achieved.)

1. Automatic calibrating device suitable for rail vehicle wheel, its characterized in that: comprises a calibration mechanism (1) consisting of a workbench, a support frame and a side working frame;

the top end of the workbench is provided with a sliding groove (2), the top end of the workbench is connected with an installation seat (3) in a clamping and sliding manner through the sliding groove (2), the workbench is provided with a sliding mechanism (4) for driving the installation seat (3) to slide along the sliding groove (2), and one end of the installation seat (3) is fixedly provided with a first round rod (5) located in the horizontal direction;

a round rod II (6) which is at the same horizontal position with the round rod I (5) is fixed on one side of the side working frame, which is close to the round rod I (5);

bearing seats (7) are fixed on the sides, close to each other, of the first round rod (5) and the second round rod (6), the two bearing seats (7) are matched to form a bearing mechanism for sleeving a wheel, and the ends, far away from each other, of the two bearing seats (7) are connected with limit rings (8) for being attached to the wheel;

the utility model discloses a wheel alignment mechanism, including workstation and side work frame, be connected with a bull stick (9) that are located round bar (5) below through the bearing rotation between workstation and the side work frame, the fixed cover of periphery side of bull stick (9) has one and is used for the alignment wheel (10) with the wheel laminating, be provided with on the support frame and be used for driving bull stick (9) pivoted actuating mechanism (11).

2. The automatic calibration device for the wheels of the railway vehicle is characterized in that the driving mechanism (11) comprises a speed reducing motor (1101) installed on a supporting frame, a gear steering gear (1102) is connected to an output shaft of the speed reducing motor (1101) through a coupling, a worm (1103) is rotatably connected to the top end of the gear steering gear (1102), and a worm wheel (1104) meshed with the worm (1103) is fixedly sleeved on the outer peripheral side of the rotating rod (9).

3. The automatic alignment device for wheels of railway vehicles according to claim 1, characterized in that a sliding block (301) is fixed to the bottom end of the mounting seat (3), the sliding block (301) being located inside the sliding chute (2).

4. The automatic calibration device for the wheels of the railway vehicles according to claim 3, wherein the sliding mechanism (4) comprises a fixed block (401) fixed in the sliding chute (2) on one side close to the first round bar (5), a screw rod (402) which is positioned in the sliding chute (2) and is in threaded through connection with the sliding block (301) is rotatably connected to one side of the fixed block (401) far away from the first round bar (5) through a bearing, and a rotating handle which is positioned outside the sliding chute (2) is installed on one side of the screw rod (402) far away from the fixed block (401).

5. The automatic calibration device for the wheels of the railway vehicles according to claim 4, wherein the top end of the workbench is provided with two guide grooves (12) which are symmetrical about the sliding chute (2), the two ends of the mounting seat (3) are symmetrically fixed with connecting frames (13), and the bottom end of each connecting frame (13) is fixed with a guide block (14) positioned in the guide groove (12).

6. The automatic alignment device for wheels of railway vehicles according to claim 5, characterized in that said guide slots (12) are each L-shaped, said guide blocks (14) being able to slide inside said guide slots (12).

7. The automatic calibration device for the wheels of the railway vehicles is characterized in that a servo motor (15) is installed at the bottom end of the table top of the workbench, a calibration sheet (16) located in the horizontal direction is installed on an output shaft of the servo motor (15), a support plate (17) is arranged below the calibration sheet (16), and a limit column (18) located in the vertical direction is fixed at the center position of the top end of the support plate (17).

8. The automatic alignment device for wheels of railway vehicles according to claim 7, characterized in that the diameter of said limit post (18) is equal to the diameter of the mounting hole of the wheel, the height of the limit post (18) is equal to the thickness of the wheel, and a plurality of evenly distributed and telescopic struts (19) are connected under said support plate (17).

9. The automatic calibration device for the wheels of the railway vehicle according to claim 7, wherein each strut (19) comprises a sleeve rod (1901) in contact with the ground, the top end of each sleeve rod (1901) is movably inserted with an insert rod (1902), the top end of each insert rod (1902) is fixedly connected with the bottom end of a support plate (17), and a fixing mechanism (20) for fixing the insert rods (1902) is arranged below the support plate (17).

10. The automatic alignment device for wheels of railway vehicles according to claim 8, wherein the fixing mechanism (20) comprises a base frame (2001) fixed among a plurality of the loop bars (1901), a screw rod (2002) in a vertical direction is fixed at the top end of the base frame (2001), a threaded sleeve (2003) is fittingly connected to the outer peripheral side of the screw rod (2002), and the top end of the threaded sleeve (2003) is connected with the bottom end of the support plate (17) through a bearing.

Technical Field

The invention belongs to the field of wheel alignment of rail vehicles, and particularly relates to an automatic alignment device suitable for wheels of urban rail vehicles.

Background

As an important component of an urban public transportation system, urban rail transit is currently classified into various types, such as subways, light rails, suburban railways, trams, and suspension trains, which are called "main artery of urban transportation".

Urban rail transit is divided into two systems, namely subway and light rail, and both the subway and the light rail can be built underground, on the ground or on an overhead. In the national norm: the track traffic system is a light rail, and has relatively light axle weight and one-way conveying capacity of ten to thirty thousand people; a rail transit system with passenger capacity of thirty to eighty thousand persons per hour is called a subway.

The subway wheels in China mainly adopt wearing wheels or semi-wearing wheels, namely wheel-wrapped rails, but the wheels are not fully wrapped, and the inner sides of the wheels are provided with convex parts called wheel rims. When the wheel rotates, the wheel flange is arranged on the inner side of the steel rail, so that derailment of the wheel when the wheel runs on the rail surface is prevented.

In the long-time use process of the subway wheel, the wheel is abraded, the surface of the wheel is uneven, the mass distribution of all parts of the whole wheel cannot be uniform, and therefore the wheel can shake in the high-speed operation process of the subway. For these problematic wheels, if they are found during the maintenance process, they are directly replaced in order not to affect the operation of the subway, so that the consumption of the wheels of the subway is huge, and therefore, in order to solve this problem, an automatic alignment device suitable for urban rail vehicle wheels is proposed.

Disclosure of Invention

The invention aims to: in order to solve the problem that the conventional mode for directly replacing the problematic subway wheel consumes too much produced wheel, which is provided by the background technology, the invention provides an automatic calibration device suitable for the railway vehicle wheel.

In order to achieve the purpose, the invention provides the following technical scheme: the automatic calibration device suitable for the wheels of the rail vehicle comprises a calibration mechanism consisting of a workbench, a support frame and a side working frame; the top end of the workbench is provided with a sliding groove, the top end of the workbench is connected with an installation seat in a sliding mode through the sliding groove in a clamping mode, a sliding mechanism used for driving the installation seat to slide along the sliding groove is arranged on the workbench, and a first round rod located in the horizontal direction is fixed at one end of the installation seat; a round rod II which is at the same horizontal position as the round rod I is fixed on one side of the side working frame, which is close to the round rod I; bearing seats are fixed on the sides, close to each other, of the first round rod and the second round rod, the two bearing seats are matched to form a bearing mechanism for sleeving a wheel, and the ends, far away from each other, of the two bearing seats are connected with limiting rings for being attached to the wheel; the rotary rod is connected between the workbench and the side working frame in a rotating mode through a bearing, the rotary rod is located below the round rod, a calibration wheel used for being attached to a wheel is fixedly connected to the outer peripheral side of the rotary rod in a sleeved mode, and a driving mechanism used for driving the rotary rod to rotate is arranged on the supporting frame.

Furthermore, the driving mechanism comprises a speed reduction motor installed on the supporting frame, an output shaft of the speed reduction motor is connected with a gear steering gear through a coupling, the top end of the gear steering gear is rotatably connected with a worm, and a worm wheel meshed with the worm is fixedly sleeved on the outer peripheral side of the rotating rod.

Further, the bottom of mount pad is fixed with the slider, the slider is located the spout.

Further, slide mechanism is including fixing the fixed block that is close to one side of round bar in the spout, one side of keeping away from round bar on the fixed block is connected with through the bearing rotation be located the spout and with slider screw thread through connection's lead screw, the one side of keeping away from the fixed block on the lead screw is installed and is located the outer commentaries on classics handle of spout.

Furthermore, two guide grooves which are symmetrical about the sliding grooves are formed in the top end of the workbench, connecting frames are symmetrically fixed to two ends of the mounting seat, and a guide block located in each guide groove is fixed to the bottom end of each connecting frame.

Further, the guide grooves are all L-shaped, and the guide blocks can slide in the guide grooves.

Furthermore, a servo motor is installed at the bottom end of the table top of the workbench, a calibration sheet located in the horizontal direction is installed on an output shaft of the servo motor, a support plate is arranged below the calibration sheet, and a limiting column located in the vertical direction is fixed at the center of the top end of the support plate.

Furthermore, the diameter of the limiting column is equal to the diameter of the mounting hole in the wheel, the height of the limiting column is equal to the thickness of the wheel, and a plurality of supporting rods which are uniformly distributed and telescopic are connected below the supporting plate.

Furthermore, each supporting rod comprises a loop bar which is in contact with the ground, the top end of each loop bar is movably inserted with an inserted bar, the top end of each inserted bar is fixedly connected with the bottom end of the supporting plate, and a fixing mechanism for fixing the inserted bars is arranged below the supporting plate.

Further, the fixing mechanism comprises an underframe fixed among the loop bars, a screw rod located in the vertical direction is fixed at the top end of the underframe, a threaded sleeve is connected to the outer peripheral side of the screw rod in a matched mode, and the top end of the threaded sleeve is connected with the bottom end of the support plate through a bearing.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, the two bearing seats are matched to form a bearing mechanism for sleeving the wheel, the two ends of the bearing mechanism are both connected with the limiting rings, and each limiting ring is attached to the wheel, thus, when the wheel is sleeved on the bearing mechanism, the wheel is equivalently integrated with the outer ring of the bearing mechanism, in addition, as the two bearing seats are respectively fixed with the first round rod and the second round rod, therefore, the inner ring of the bearing mechanism is equivalent to be integrated with the first round rod and the second round rod, and the first round rod and the second round rod are fixed, therefore, under the action of the driving mechanism, when the rotating rod drives the calibration wheel to rotate, the calibration wheel can continuously rub against the circumferential surface of the wheel, thereby play the effect of the unevenness position on the wheel periphery of polishing, like this, can be convenient maintain the wheel that has a problem to reduce the change volume of wheel.

2. According to the invention, the diameter of the limiting column is equal to that of the wheel mounting wheel, and the height of the limiting column is equal to that of the wheel, so that the wheel can be clamped and placed on the support plate under the action of the limiting column, and meanwhile, the support rod is telescopic, so that the heights of the support plate and the wheel can be adjusted under the action of the support rod, so that the wheel can be attached to the calibration sheet, and therefore, when the calibration sheet is driven to rotate by the servo motor, the surfaces on two sides of the wheel can be polished, and the uneven parts on the surfaces on two sides of the wheel can be removed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a bearing seat structure according to the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic structural diagram of a sliding mechanism according to the present invention;

FIG. 5 is a schematic view of the fixing mechanism of the present invention;

FIG. 6 is a schematic top view of the present invention;

in the figure: 1. a calibration mechanism; 2. a chute; 3. a mounting seat; 301. a slider; 4. a sliding mechanism; 401. a fixed block; 402. a screw rod; 5. a first round rod; 6. a second round bar; 7. a bearing seat; 8. a limiting ring; 9. a rotating rod; 10. calibrating the wheel; 11. a drive mechanism; 1101. a reduction motor; 1102. a gear diverter; 1103. a worm; 1104. a worm gear; 12. a guide groove; 13. a connecting frame; 14. a guide block; 15. a servo motor; 16. a calibration sheet; 17. a support plate; 18. a limiting column; 19. a strut; 1901. a loop bar; 1902. inserting a rod; 20. a fixing mechanism; 2001. a chassis; 2002. a screw; 2003. a threaded bushing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the idle place of the device, all the electric devices and the drivers matched with the electric devices are arranged, and all the driving parts, which refer to the power element, the electric devices and the adaptive power supply, are connected through the conducting wires by the person skilled in the art, and specific connecting means refer to the following expressions that the electric connection is completed among the electric devices in sequence, and the detailed connecting means are well known in the art.

The first embodiment is as follows:

the automatic calibration device suitable for the wheels of the railway vehicle provided by the embodiment comprises a calibration mechanism 1 consisting of a workbench, a support frame and a side working frame, as shown in fig. 1; the top end of a workbench of the calibration mechanism 1 is provided with a sliding chute 2, the top end of the workbench is connected with an installation seat 3 in a clamping and sliding manner through the sliding chute 2, in addition, the workbench is also provided with a sliding mechanism 4 for driving the installation seat 3 to slide along the sliding chute 2, and one end of the installation seat 3 is fixed with a round rod I5 positioned in the horizontal direction; in addition, a round rod II 6 which is at the same horizontal position with the round rod I5 is fixed on one side of the side working frame of the calibration mechanism 1, which is close to the round rod I5; bearing seats 7 are fixed on the sides, close to each other, of the first round rod 5 and the second round rod 6, the two bearing seats 7 are matched to form a bearing mechanism for sleeving a wheel, and the ends, far away from each other, of the two bearing seats 7 are connected with limit rings 8 for being attached to the wheel; besides, a rotating rod 9 positioned below the round rod I5 is rotatably connected between the workbench and the side working frame through a bearing, a calibration wheel 10 used for being jointed with a wheel is fixedly sleeved on the outer peripheral side of the rotating rod 9, a driving mechanism 11 used for driving the rotating rod 9 to rotate is arranged on the supporting frame, as two bearing seats 7 are matched to form a bearing mechanism used for being sleeved with the wheel, two ends of the bearing mechanism are both connected with limiting rings 8, each limiting ring 8 is jointed with the wheel, thus, when the wheel is sleeved on the bearing mechanism, the wheel is equivalent to being integrated with the outer ring of the bearing mechanism, in addition, as the two bearing seats 7 are respectively fixed with the round rod I5 and the round rod II 6, the inner ring of the bearing mechanism is equivalent to being integrated with the round rod I5 and the round rod II 6, and the round rod I5 and the round rod II 6 are fixed, therefore, under the action of the driving mechanism 11, when the rotating rod 9 drives the calibration wheel 10 to rotate, the calibration wheel 10 can continuously rub the circumferential surface of the wheel, so that the effect of polishing uneven positions on the circumferential surface of the wheel is achieved; in addition, it should be noted that, because a circle of wheel flange is fixed on the inner side of the wheel of the subway, the diameter of the wheel flange is larger than the original diameter of the wheel, and the wheel flange is clamped on the inner side of the track to prevent the subway from derailing, the calibrating wheel 10 in the invention is composed of two parts, one part is jointed with the original circumferential surface of the wheel, the other part is jointed with the circumferential surface of the wheel flange, and the specific shape of the calibrating wheel 10 is clearly shown in fig. 1 and 5 of the invention; besides, in the invention, the wheel is integrated with the outer ring of the bearing mechanism, the inner ring of the bearing mechanism is integrated with the first round rod 5 and the second round rod 6, when the calibration wheel 10 is rotated by the driving mechanism 11, the wheel is rotated together with the calibration wheel 10, however, this does not prevent the calibration wheel 10 from grinding the wheel, since the wheel is not in the normal configuration, the wheel is the problem wheel, the circumferential surface is uneven, and the unevenness can prevent the wheel from rotating around the original axle center, the calibration wheel 10 will rub the circumferential surface of the wheel until the circumferential surface of the wheel is polished to be flat, and after the circumferential surface is polished to be flat, the wheel will return to the state of rotating along the axis.

As shown in fig. 3, the driving mechanism 11 includes a reduction motor 1101 mounted on a support frame of the aligning mechanism 1, a gear steering unit 1102 is connected to an output shaft of the reduction motor 1101 through a coupling, a worm 1103 is rotatably connected to a tip of the gear steering unit 1102, and a worm wheel 1104 meshed with the worm 1103 is fixedly sleeved on an outer peripheral side of the rotating rod 9, so that when the reduction motor 1101 drives the worm 1103 to rotate through the gear steering unit 1102, the worm wheel 1104 meshed with the worm 1103 drives the rotating rod 9 and the aligning wheel 10 to rotate synchronously.

As shown in fig. 4, a sliding block 301 is fixed to the bottom end of the mounting seat 3, the sliding block 301 is located in the sliding groove 2, and in the present invention, for sliding, the bottom end of the sliding block 301 is arc-shaped, and the bottom end of the sliding groove 2 is matched with the sliding block 301, so that the friction between the sliding block 301 and the sliding groove 2 during sliding can be reduced.

The concrete structure of slide mechanism 4 is as shown in fig. 4, slide mechanism 4 is including fixing the fixed block 401 that is close to one 5 one side of round bar in spout 2, one side of keeping away from one 5 of round bar on this fixed block 401 rotates through the bearing and is connected with the lead screw 402 that is located spout 2 and with slider 301 screw thread through connection, and simultaneously, for the convenience of rotating lead screw 402, the commentaries on classics handle that is located spout 2 is installed to one side of keeping away from fixed block 401 on lead screw 402, like this, through rotating lead screw 402, can make slider 301 with lead screw 402 screw thread through connection drive mount pad 3 and slide along spout 2, the purpose that sets up like this makes things convenient for placing and taking off of wheel.

In addition, as shown in fig. 4, two guide grooves 12 symmetrical with respect to the sliding groove 2 are formed at the top end of the workbench, connecting frames 13 are symmetrically fixed at two ends of the mounting base 3, a guide block 14 located in the guide groove 12 is fixed at the bottom end of each connecting frame 13, each guide groove 12 is L-shaped, and each guide block 14 is adapted to the guide groove 12, so that the stability of the mounting base 3 during sliding can be enhanced.

Example two:

the automatic calibration device suitable for the wheels of the railway vehicle provided by the embodiment comprises a calibration mechanism 1 consisting of a workbench, a support frame and a side working frame, as shown in fig. 1; the top end of a workbench of the calibration mechanism 1 is provided with a sliding chute 2, the top end of the workbench is connected with an installation seat 3 in a clamping and sliding manner through the sliding chute 2, in addition, the workbench is also provided with a sliding mechanism 4 for driving the installation seat 3 to slide along the sliding chute 2, and one end of the installation seat 3 is fixed with a round rod I5 positioned in the horizontal direction; in addition, a round rod II 6 which is at the same horizontal position with the round rod I5 is fixed on one side of the side working frame of the calibration mechanism 1, which is close to the round rod I5; bearing seats 7 are fixed on the sides, close to each other, of the first round rod 5 and the second round rod 6, the two bearing seats 7 are matched to form a bearing mechanism for sleeving a wheel, and the ends, far away from each other, of the two bearing seats 7 are connected with limit rings 8 for being attached to the wheel; besides, a rotating rod 9 positioned below the round rod I5 is rotatably connected between the workbench and the side working frame through a bearing, a calibration wheel 10 used for being jointed with a wheel is fixedly sleeved on the outer peripheral side of the rotating rod 9, a driving mechanism 11 used for driving the rotating rod 9 to rotate is arranged on the supporting frame, as two bearing seats 7 are matched to form a bearing mechanism used for being sleeved with the wheel, two ends of the bearing mechanism are both connected with limiting rings 8, each limiting ring 8 is jointed with the wheel, thus, when the wheel is sleeved on the bearing mechanism, the wheel is equivalent to being integrated with the outer ring of the bearing mechanism, in addition, as the two bearing seats 7 are respectively fixed with the round rod I5 and the round rod II 6, the inner ring of the bearing mechanism is equivalent to being integrated with the round rod I5 and the round rod II 6, and the round rod I5 and the round rod II 6 are fixed, therefore, under the action of the driving mechanism 11, when the rotating rod 9 drives the calibration wheel 10 to rotate, the calibration wheel 10 can continuously rub the circumferential surface of the wheel, so that the effect of polishing uneven positions on the circumferential surface of the wheel is achieved; in addition, it should be noted that, because a circle of wheel flange is fixed on the inner side of the wheel of the subway, the diameter of the wheel flange is larger than the original diameter of the wheel, and the wheel flange is clamped on the inner side of the track to prevent the subway from derailing, the calibrating wheel 10 in the invention is composed of two parts, one part is jointed with the original circumferential surface of the wheel, the other part is jointed with the circumferential surface of the wheel flange, and the specific shape of the calibrating wheel 10 is clearly shown in fig. 1 and 5 of the invention; besides, in the invention, the wheel is integrated with the outer ring of the bearing mechanism, the inner ring of the bearing mechanism is integrated with the first round rod 5 and the second round rod 6, when the calibration wheel 10 is rotated by the driving mechanism 11, the wheel is rotated together with the calibration wheel 10, however, this does not prevent the calibration wheel 10 from grinding the wheel, since the wheel is not in the normal configuration, the wheel is a problematic wheel, the circumferential surface is uneven, and the unevenness can prevent the wheel from rotating around the original axle center, the calibration wheel 10 will rub the circumferential surface of the wheel until the circumferential surface of the wheel is polished to be flat, and after the circumferential surface is polished to be flat, the wheel will return to the state of rotating along the axis. As shown in fig. 3, the driving mechanism 11 includes a reduction motor 1101 mounted on a support frame of the aligning mechanism 1, a gear steering unit 1102 is connected to an output shaft of the reduction motor 1101 through a coupling, a worm 1103 is rotatably connected to a tip of the gear steering unit 1102, and a worm wheel 1104 meshed with the worm 1103 is fixedly sleeved on an outer peripheral side of the rotating rod 9, so that when the reduction motor 1101 drives the worm 1103 to rotate through the gear steering unit 1102, the worm wheel 1104 meshed with the worm 1103 drives the rotating rod 9 and the aligning wheel 10 to rotate synchronously. As shown in fig. 4, a sliding block 301 is fixed to the bottom end of the mounting seat 3, the sliding block 301 is located in the sliding groove 2, and in the present invention, for sliding, the bottom end of the sliding block 301 is arc-shaped, and the bottom end of the sliding groove 2 is matched with the sliding block 301, so that the friction between the sliding block 301 and the sliding groove 2 during sliding can be reduced. The concrete structure of slide mechanism 4 is as shown in fig. 4, slide mechanism 4 is including fixing the fixed block 401 that is close to one 5 one side of round bar in spout 2, one side of keeping away from one 5 of round bar on this fixed block 401 rotates through the bearing and is connected with the lead screw 402 that is located spout 2 and with slider 301 screw thread through connection, and simultaneously, for the convenience of rotating lead screw 402, the commentaries on classics handle that is located spout 2 is installed to one side of keeping away from fixed block 401 on lead screw 402, like this, through rotating lead screw 402, can make slider 301 with lead screw 402 screw thread through connection drive mount pad 3 and slide along spout 2, the purpose that sets up like this makes things convenient for placing and taking off of wheel. In addition, as shown in fig. 4, two guide grooves 12 symmetrical with respect to the sliding groove 2 are formed at the top end of the workbench, connecting frames 13 are symmetrically fixed at two ends of the mounting base 3, a guide block 14 located in the guide groove 12 is fixed at the bottom end of each connecting frame 13, each guide groove 12 is L-shaped, and each guide block 14 is adapted to the guide groove 12, so that the stability of the mounting base 3 during sliding can be enhanced.

In addition, as shown in fig. 3, a servo motor 15 is installed at the bottom end of the table top of the workbench, a calibration sheet 16 located in the horizontal direction is installed on the output shaft of the servo motor 15, a support plate 17 is arranged below the calibration sheet 16, a limit column 18 located in the vertical direction is fixed at the center position of the top end of the support plate 17, the diameter of the limit column 18 is equal to the diameter of the installation hole on the wheel, the height of the limit column 18 is equal to the thickness of the wheel, a plurality of evenly distributed and telescopic support rods 19 are connected below the support plate 17, so that the wheel can be clamped and placed on the support plate 17 under the action of the limit column 18, meanwhile, because the support rods 19 are telescopic, the heights of the support plate 17 and the wheel can be adjusted under the action of the support rods 19, so that the wheel can be attached to the calibration sheet 16, and thus, when the calibration sheet 16 is driven to rotate by the servo motor 15, the surfaces on both sides of the wheel can be polished, so that the unevenness of the surfaces on both sides of the wheel can be removed.

The struts 19 are telescopic for the reason shown in fig. 5, each strut 19 includes a loop bar 1901 that contacts the ground, the top end of each loop bar 1901 is movably inserted with an inserted bar 1902, and the top end of each inserted bar 1902 is fixedly connected with the bottom end of the support plate 17, because the inserted bar 1902 is movably inserted on the loop bar 1901, a fixing mechanism 20 for fixing the plunger 1902 is also provided below the fulcrum plate 17, as shown in fig. 4, the fixing mechanism 20 includes a base frame 2001 fixed between a plurality of pocket bars 1901, a screw 2002 in the vertical direction is fixed at the top end of the underframe 2001, a threaded sleeve 2003 is fittingly connected to the outer periphery of the screw 2002, the top end of the threaded sleeve 2003 is connected to the bottom end of the support plate 17 through a bearing, and a handle convenient to rotate is fixedly sleeved on the outer periphery of the threaded sleeve 2003, so that, the strut 19 is extended and retracted by turning the threaded bushing 2003 to adjust the height of the strut 17 and the wheel thereon.

Example three:

the automatic calibration device suitable for the wheels of the railway vehicle provided by the embodiment comprises a calibration mechanism 1 consisting of a workbench, a support frame and a side working frame, as shown in fig. 1; the top end of a workbench of the calibration mechanism 1 is provided with a sliding chute 2, the top end of the workbench is connected with an installation seat 3 in a clamping and sliding manner through the sliding chute 2, in addition, the workbench is also provided with a sliding mechanism 4 for driving the installation seat 3 to slide along the sliding chute 2, and one end of the installation seat 3 is fixed with a round rod I5 positioned in the horizontal direction; in addition, a round rod II 6 which is at the same horizontal position with the round rod I5 is fixed on one side of the side working frame of the calibration mechanism 1, which is close to the round rod I5; bearing seats 7 are fixed on the sides, close to each other, of the first round rod 5 and the second round rod 6, the two bearing seats 7 are matched to form a bearing mechanism for sleeving a wheel, and the ends, far away from each other, of the two bearing seats 7 are connected with limit rings 8 for being attached to the wheel; besides, a rotating rod 9 positioned below the round rod I5 is rotatably connected between the workbench and the side working frame through a bearing, a calibration wheel 10 used for being jointed with a wheel is fixedly sleeved on the outer peripheral side of the rotating rod 9, a driving mechanism 11 used for driving the rotating rod 9 to rotate is arranged on the supporting frame, as two bearing seats 7 are matched to form a bearing mechanism used for being sleeved with the wheel, two ends of the bearing mechanism are both connected with limiting rings 8, each limiting ring 8 is jointed with the wheel, thus, when the wheel is sleeved on the bearing mechanism, the wheel is equivalent to being integrated with the outer ring of the bearing mechanism, in addition, as the two bearing seats 7 are respectively fixed with the round rod I5 and the round rod II 6, the inner ring of the bearing mechanism is equivalent to being integrated with the round rod I5 and the round rod II 6, and the round rod I5 and the round rod II 6 are fixed, therefore, under the action of the driving mechanism 11, when the rotating rod 9 drives the calibration wheel 10 to rotate, the calibration wheel 10 can continuously rub the circumferential surface of the wheel, so that the effect of polishing uneven positions on the circumferential surface of the wheel is achieved; in addition, it should be noted that, because a circle of wheel flange is fixed on the inner side of the wheel of the subway, the diameter of the wheel flange is larger than the original diameter of the wheel, and the wheel flange is clamped on the inner side of the track to prevent the subway from derailing, the calibrating wheel 10 in the invention is composed of two parts, one part is jointed with the original circumferential surface of the wheel, the other part is jointed with the circumferential surface of the wheel flange, and the specific shape of the calibrating wheel 10 is clearly shown in fig. 1 and 5 of the invention; finally, it is worth mentioning that, because the type of the wheel is fixed, the installation positions of the rotating rod 9 and the calibration wheel 10 in the present invention are fixed, and if it is necessary to process other types of wheels, on the basis of the present invention, a lifting mechanism can be provided for the rotating rod 9, so that the height of the rotating rod 9 can be changed, and as for the lifting mechanism, the following implementation modes are proposed: set up the mounting bracket of a U-shaped between workstation and side work frame, the both ends of bull stick 9 all are connected on the opening of this mounting bracket through the bearing, and drive 9 pivoted whole actuating mechanism 11 of bull stick all are located the mounting bracket the inside, and the lift is realized to a fork formula crane of cutting of installation between the bottom of mounting bracket and the support frame.

As shown in fig. 3, the driving mechanism 11 includes a reduction motor 1101 mounted on a support frame of the aligning mechanism 1, a gear steering unit 1102 is connected to an output shaft of the reduction motor 1101 through a coupling, a worm 1103 is rotatably connected to a tip of the gear steering unit 1102, and a worm wheel 1104 meshed with the worm 1103 is fixedly sleeved on an outer peripheral side of the rotating rod 9, so that when the reduction motor 1101 drives the worm 1103 to rotate through the gear steering unit 1102, the worm wheel 1104 meshed with the worm 1103 drives the rotating rod 9 and the aligning wheel 10 to rotate synchronously.

As shown in fig. 4, a sliding block 301 is fixed to the bottom end of the mounting seat 3, the sliding block 301 is located in the sliding groove 2, and in the present invention, for sliding, the bottom end of the sliding block 301 is arc-shaped, and the bottom end of the sliding groove 2 is matched with the sliding block 301, so that the friction between the sliding block 301 and the sliding groove 2 during sliding can be reduced.

The concrete structure of slide mechanism 4 is as shown in fig. 4, slide mechanism 4 is including fixing the fixed block 401 that is close to one 5 one side of round bar in spout 2, one side of keeping away from one 5 of round bar on this fixed block 401 rotates through the bearing and is connected with the lead screw 402 that is located spout 2 and with slider 301 screw thread through connection, and simultaneously, for the convenience of rotating lead screw 402, the commentaries on classics handle that is located spout 2 is installed to one side of keeping away from fixed block 401 on lead screw 402, like this, through rotating lead screw 402, can make slider 301 with lead screw 402 screw thread through connection drive mount pad 3 and slide along spout 2, the purpose that sets up like this makes things convenient for placing and taking off of wheel.

In addition, as shown in fig. 4, two guide grooves 12 symmetrical with respect to the sliding groove 2 are formed at the top end of the workbench, connecting frames 13 are symmetrically fixed at two ends of the mounting base 3, a guide block 14 located in the guide groove 12 is fixed at the bottom end of each connecting frame 13, each guide groove 12 is L-shaped, and each guide block 14 is adapted to the guide groove 12, so that the stability of the mounting base 3 during sliding can be enhanced.

In addition, as shown in fig. 3, a servo motor 15 is installed at the bottom end of the table top of the workbench, a calibration sheet 16 located in the horizontal direction is installed on the output shaft of the servo motor 15, a support plate 17 is arranged below the calibration sheet 16, a limit column 18 located in the vertical direction is fixed at the center position of the top end of the support plate 17, the diameter of the limit column 18 is equal to the diameter of the installation hole on the wheel, the height of the limit column 18 is equal to the thickness of the wheel, a plurality of evenly distributed and telescopic support rods 19 are connected below the support plate 17, so that the wheel can be clamped and placed on the support plate 17 under the action of the limit column 18, meanwhile, because the support rods 19 are telescopic, the heights of the support plate 17 and the wheel can be adjusted under the action of the support rods 19, so that the wheel can be attached to the calibration sheet 16, and thus, when the calibration sheet 16 is driven to rotate by the servo motor 15, the surfaces on both sides of the wheel can be polished, so that the unevenness of the surfaces on both sides of the wheel can be removed.

The reason why the supporting rod 19 is telescopic is as shown in fig. 5, each supporting rod 19 comprises a sleeve rod 1901 contacting with the ground, an inserting rod 1902 is movably inserted at the top end of each sleeve rod 1901, the top end of each inserting rod 1902 is fixedly connected with the bottom end of the supporting plate 17, since the inserting rod 1902 is movably inserted on the sleeve rod 1901, a fixing mechanism 20 for fixing the inserting rod 1902 is further arranged below the supporting plate 17, as shown in fig. 4, the fixing mechanism 20 comprises a chassis 2001 fixed among the plurality of sleeve rods 1901, a screw 2002 in the vertical direction is fixed at the top end of the chassis 2001, a threaded sleeve 2003 is fittingly connected at the outer peripheral side of the screw 2002, the top end of the threaded sleeve 2003 is connected with the bottom end of the supporting plate 17 through a bearing, and a handle convenient to rotate is fixedly sleeved at the outer peripheral side of the threaded sleeve 2003, so that the supporting rod 19 can be telescopic by rotating the threaded sleeve 2003, thereby adjusting the heights of the supporting plate 17 and the wheels thereon, thus, the surface of the wheel can be attached to the calibration sheet 16, and after one surface of the wheel is polished, the wheel is taken down, and the other surface is replaced and placed, so that the other surface can be polished.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.