CN215659340U

CN215659340U - A grinding device for train wheel hub

Info

Publication number: CN215659340U
Application number: CN202122404535.3U
Authority: CN
Inventors: 赵伯毅; 李志斌; 陈睿哲; 张维; 张亚民; 龚玉
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2021-10-04
Filing date: 2021-10-04
Publication date: 2022-01-28
Anticipated expiration: 2031-10-04

Abstract

The utility model discloses a grinding device for a hub of a train, belonging to the technical field of hubs of trains, which is characterized by comprising a device body, wherein the rear side of the top of the device body is fixedly connected with a support frame, the interior of the support frame is in threaded connection with a lifting mechanism, the bottom of the lifting mechanism extends into the device body, the top of the interior of the device body is movably connected with a turntable, the top of the turntable is fixedly connected with a fixed rod, and the front side and the rear side of the interior of the fixed rod are both fixedly connected with positioning mechanisms, so that the problem that the existing grinding device has poor positioning effect on the hub of the train, the hub of the train is easy to move in the grinding process, the smooth grinding work is influenced, only the surface of the hub of the train can be ground, and secondary grinding is needed when the inner wall is ground, thereby reducing the work efficiency, thereby affecting the polishing effect.

Description

A grinding device for train wheel hub

Technical Field

The utility model relates to the technical field of a hub of a train, in particular to a polishing device for the hub of the train.

Background

The hub of the train is a wheel core rotating part connected through an upright column, namely a metal part, namely a rim, a steel ring and a wheel, of which the center of a supporting wheel is arranged on a shaft, and the hub is made of various materials according to the diameter, the width, the forming mode and the material.

The train wheel hub adds the in-process and need use grinding device to polish its surface, and current grinding device is relatively poor to the location effect of train wheel hub, makes the condition that the activity appears in the in-process of polishing in the train wheel hub easily, consequently influences going on smoothly of work of polishing to can only polish to train wheel hub surface, during the inner wall of polishing, need carry out the secondary and polish, thereby reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a grinding device for a train hub, and aims to solve the problems that the existing grinding device has poor positioning effect on the train hub, the train hub is easy to move in the grinding process, the smooth grinding work is influenced, only the surface of the train hub can be ground, and the grinding needs to be carried out for the second time when the inner wall is ground, so that the work efficiency is reduced, and the grinding effect is influenced.

The polishing device for the hub of the train comprises a device body, wherein a supporting frame is fixedly connected to the rear side of the top of the device body, a lifting mechanism is connected to the inside of the supporting frame in a threaded manner, the bottom of the lifting mechanism extends into the device body, a turntable is movably connected to the top of the inside of the device body, a fixed rod is fixedly connected to the top of the turntable, a positioning mechanism is fixedly connected to the front side and the rear side of the inside of the fixed rod, an air cylinder is fixedly connected to the right side of the bottom of the device body, and a polisher is fixedly connected to the left side of the air cylinder and the bottom of the lifting mechanism;

positioning mechanism includes first movable rod, second movable rod, spring and locating plate, one side and the dead lever fixed connection that first movable rod is close to the dead lever inner wall, the surface of second movable rod and the inner wall swing joint of first movable rod, one side and locating plate fixed connection that the second movable rod is close to the locating plate, one side that the spring is close to dead lever inner wall and locating plate respectively with dead lever and locating plate fixed connection.

In order to achieve the effect of driving the sander to move, the polishing device for the hub of the train is preferably used, the lifting mechanism comprises a screw, a rotating plate, a rotating rod and a moving plate, the surface of the screw is in threaded connection with the inner wall of the supporting frame, the bottom of the screw extends into the device body, the top of the screw is fixedly connected with the bottom of the rotating plate, the bottom of the rotating rod is fixedly connected with the top of the rotating plate, and the inner wall of the moving plate is in threaded connection with the surface of the screw.

In order to achieve the effect of increasing the friction force, it is preferable that, as the polishing device for a hub of a train according to the present invention, mounting grooves used in cooperation with the first movable rod are fixedly connected to both the front side and the rear side of the fixed rod, and a non-slip mat is fixedly connected to a side of the positioning plate away from the fixed rod.

In order to achieve the effect of improving the stability of the lifting mechanism, it is preferable that the polishing device for the hub of the train according to the present invention is configured such that a moving block is fixedly connected to a rear side of the moving block, a slide bar is movably connected to an inside of the moving block, and a top and a bottom of the slide bar extend to an outside of the moving block and are fixedly connected to an inner wall of the support frame.

In order to achieve the effect of facilitating the rotation of the lifting mechanism, the grinding device for the hub of the train is preferably characterized in that a threaded hole matched with the screw rod is formed in the supporting frame, and a threaded groove matched with the screw rod is formed in the rear side of the top of the device body.

In order to achieve the effect of conveniently driving the turntable to rotate, the polishing device for the hub of the train is preferably used, the inside of the device body is fixedly connected with the supporting plate, the top of the supporting plate is fixedly connected with the motor, the output end of the motor is fixedly connected with the rotating shaft, the top of the rotating shaft is fixedly connected with the bottom of the turntable, and the top of the device body is provided with a rotating hole matched with the turntable for use.

Compared with the prior art, the utility model has the beneficial effects that:

the polishing device for the hub of the train wheel can conveniently drive the hub of the train wheel to rotate by arranging the turntable, so that the hub of the train wheel can be conveniently and uniformly polished by a polisher, the positioning plate moves towards one side of the fixed rod to push the second movable rod to enter the first movable rod and contract the spring, the hub of the train wheel can be conveniently placed on the turntable, the spring resets to push the positioning plate to move, the positioning plate drives the second movable rod to move out of the first movable rod and tightly contact with the inner wall of the hub of the train wheel to position the hub of the train wheel, and the hub of the train wheel can not contact with the outer surface of the hub of the train wheel, thereby avoiding affecting polishing of the hub of the train wheel, the polisher can be conveniently driven to move by arranging the lifting mechanism, the inner surface of the hub of the train wheel can be conveniently polished by driving the polisher by arranging the air cylinder, the polishing efficiency can be improved.

Drawings

FIG. 1 is an overall block diagram of a grinding device for a hub of a train in accordance with the present invention;

FIG. 2 is a structural view of a cylinder in the present invention;

FIG. 3 is a cross-sectional view of the device body of the present invention;

FIG. 4 is a top view of a fixation rod of the present invention;

fig. 5 is a sectional view of the stand of the present invention.

In the figure, 1, an apparatus body; 2. a positioning mechanism; 201. a first movable bar; 202. a second movable bar; 203. a spring; 204. positioning a plate; 3. a lifting mechanism; 301. a screw; 302. rotating the plate; 303. a rotating rod; 304. moving the plate; 4. a support frame; 5. a turntable; 6. fixing the rod; 7. a cylinder; 8. a sander; 9. mounting grooves; 10. a non-slip mat; 11. a moving block; 12. a slide bar; 13. a threaded hole; 14. a thread groove; 15. a support plate; 16. a motor; 17. a rotating shaft; 18. the hole is rotated.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-5, the present invention provides the following technical solutions: a grinding device for a train hub comprises a device body 1, wherein a supporting frame 4 is fixedly connected to the rear side of the top of the device body 1, a lifting mechanism 3 is connected to the inner portion of the supporting frame 4 in a threaded manner, the bottom of the lifting mechanism 3 extends into the device body 1, a turntable 5 is movably connected to the top of the device body 1, a fixing rod 6 is fixedly connected to the top of the turntable 5, a positioning mechanism 2 is fixedly connected to the front side and the rear side of the inner portion of the fixing rod 6, a cylinder 7 is fixedly connected to the right side of the bottom of the device body 1, and a grinder 8 is fixedly connected to the left side of the cylinder 7 and the bottom of the lifting mechanism 3;

the positioning mechanism 2 comprises a first movable rod 201, a second movable rod 202, a spring 203 and a positioning plate 204, wherein one side of the first movable rod 201, which is close to the inner wall of the fixed rod 6, is fixedly connected with the fixed rod 6, the surface of the second movable rod 202 is in movable contact with the inner wall of the first movable rod 201, one side of the second movable rod 202, which is close to the positioning plate 204, is fixedly connected with the positioning plate 204, and one side of the spring 203, which is close to the inner wall of the fixed rod 6 and the positioning plate 204, is fixedly connected with the fixed rod 6 and the positioning plate 204 respectively.

In this embodiment: through the arrangement of the turntable 5, the wheel hub of the train can be conveniently driven to rotate, so that the wheel hub of the train can be conveniently and uniformly polished by the polisher 8, the positioning plate 204 moves towards one side of the fixed rod 6 to push the second movable rod 202 to enter the first movable rod 201 and enable the spring 203 to contract, the wheel hub of the train can be conveniently placed on the turntable 5, the spring 203 resets, the positioning plate 204 is pushed to move by the spring 203, the positioning plate 204 drives the second movable rod 202 to move out of the first movable rod 201 and tightly contact with the inner wall of the wheel hub of the train, the wheel hub of the train can be positioned and can not contact with the outer surface of the wheel hub of the train, the polishing of the wheel hub of the train is avoided, through the arrangement of the lifting mechanism 3, the polisher 8 can be conveniently driven to move, through the arrangement of the air cylinder 7, the polisher 8 can be conveniently driven to polish the inner surface of the wheel hub of the wheel of the train, the polishing efficiency can be improved.

As a technical optimization scheme of the utility model, the lifting mechanism 3 comprises a screw 301, a rotating plate 302, a rotating rod 303 and a moving plate 304, the surface of the screw 301 is in threaded connection with the inner wall of the support frame 4, the bottom of the screw 301 extends into the device body 1, the top of the screw 301 is fixedly connected with the bottom of the rotating plate 302, the bottom of the rotating rod 303 is fixedly connected with the top of the rotating plate 302, and the inner wall of the moving plate 304 is in threaded connection with the surface of the screw 301.

In this embodiment: the rotating rod 303 drives the rotating plate 302 to rotate, the rotating plate 302 can drive the screw 301 to rotate in the supporting frame 4, the moving plate 304 can move on the surface of the screw 301, the moving plate 304 can drive the sander 8 to move, the sander 8 is in contact with or separated from the surface of the hub of the train, and therefore the hub of the train can be conveniently polished.

As a technical optimization scheme of the utility model, the front side and the rear side of the fixed rod 6 are both fixedly connected with mounting grooves 9 matched with the first movable rod 201, and one side of the positioning plate 204 far away from the fixed rod 6 is fixedly connected with an anti-skid pad 10.

In this embodiment: through setting up mounting groove 9, can make things convenient for first movable rod 201 fixed mounting in the inside of dead lever 6, through setting up slipmat 10, can increase with the frictional force of train wheel hub inner wall to can improve the location effect.

As a technical optimization scheme of the utility model, a moving block 11 is fixedly connected to the rear side of the moving plate 304, a sliding rod 12 is movably connected to the inside of the moving block 11, and the top and the bottom of the sliding rod 12 both extend to the outer side of the moving block 11 and are fixedly connected with the inner wall of the support frame 4.

In this embodiment: through setting up movable block 11 and slide bar 12, drive movable block 11 through movable plate 304 and remove on the surface of slide bar 12, can make movable plate 304 can keep steady removal at the removal in-process, and sander 8 rocks when avoiding the time, influences the effect of polishing.

As the technical optimization scheme of the utility model, a threaded hole 13 matched with the screw 301 for use is formed in the support frame 4, and a threaded groove 14 matched with the screw 301 for use is formed in the rear side of the top of the device body 1.

In this embodiment: the screw 301 can be conveniently rotated in the support frame 4 by arranging the threaded hole 13, and the screw 301 can be limited to rotate at a fixed position by arranging the threaded groove 14.

As a technical optimization scheme of the utility model, a supporting plate 15 is fixedly connected inside the device body 1, a motor 16 is fixedly connected to the top of the supporting plate 15, a rotating shaft 17 is fixedly connected to the output end of the motor 16, the top of the rotating shaft 17 is fixedly connected with the bottom of the rotating disc 5, and a rotating hole 18 matched with the rotating disc 5 for use is formed in the top of the device body 1.

In this embodiment: through setting up backup pad 15, can support motor 16, drive pivot 17 through motor 16 and rotate, pivot 17 can drive carousel 5 and rotate 18 rotations in the rotation hole to can make carousel 5 drive train wheel hub and rotate, can make sander 8 carry out even polishing to train wheel hub.

The working principle is as follows: firstly, the positioning plate 204 moves towards one side of the fixed rod 6, the second movable rod 202 can be pushed to enter the inside of the first movable rod 201, the spring 203 is contracted, the hub of the train wheel can be conveniently placed on the turntable 5, the spring 203 is reset, the spring 203 pushes the positioning plate 204 to move, the positioning plate 204 drives the second movable rod 202 to move out of the inside of the first movable rod 201, the non-slip mat 10 can be in close contact with the inner wall of the hub of the train wheel, the hub of the train wheel can be positioned, the friction between the non-slip mat and the inner wall of the hub of the train wheel is increased, then the motor 16 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the turntable 5 to rotate in the rotating hole 18, the turntable 5 can drive the hub of the train wheel to rotate, the rotating plate 302 is driven by the rotating rod to rotate, the rotating plate 302 can drive the screw 301 to rotate in the threaded hole 13 and the threaded groove 14, and the movable plate 304 can move on the surface of the screw 301, the movable plate 304 can drive the sander 8 to move, the movable plate 304 can drive the movable block 11 to move on the surface of the sliding rod 12 while moving, the movable plate 304 can move stably, the sander 8 is in contact with or separated from the surface of the hub of the train, the hub of the train can be sanded, then the cylinder 7 drives the sander 8 to sand the inner surface of the hub of the train, and the grinding efficiency can be improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a grinding device for train wheel hub, includes device body (1), its characterized in that: the rear side of the top of the device body (1) is fixedly connected with a support frame (4), the inner part of the support frame (4) is in threaded connection with a lifting mechanism (3), the bottom of the lifting mechanism (3) extends into the device body (1), the top of the inner part of the device body (1) is movably connected with a turntable (5), the top of the turntable (5) is fixedly connected with a fixed rod (6), the front side and the rear side of the inner part of the fixed rod (6) are both fixedly connected with a positioning mechanism (2), the right side of the bottom of the device body (1) is fixedly connected with a cylinder (7), and the left side of the cylinder (7) and the bottom of the lifting mechanism (3) are both fixedly connected with a sander (8);

positioning mechanism (2) include first movable rod (201), second movable rod (202), spring (203) and locating plate (204), one side and dead lever (6) fixed connection that dead lever (6) inner wall is close to in first movable rod (201), the surface of second movable rod (202) and the inner wall movable contact of first movable rod (201), one side and locating plate (204) fixed connection that locating plate (204) are close to in second movable rod (202), one side that dead lever (6) inner wall and locating plate (204) are close to in spring (203) respectively with dead lever (6) and locating plate (204) fixed connection.

2. A sharpening device for a hub of a train as claimed in claim 1, wherein: elevating system (3) include screw rod (301), change board (302), bull stick (303) and movable plate (304), the surface of screw rod (301) and the inner wall threaded connection of support frame (4), the bottom of screw rod (301) extends to the inside of device body (1), the top of screw rod (301) and the bottom fixed connection who changes board (302), the bottom of bull stick (303) and the top fixed connection who changes board (302), the inner wall of movable plate (304) and the surface threaded connection of screw rod (301).

3. A sharpening device for a hub of a train as claimed in claim 1, wherein: the fixing device is characterized in that the front side and the rear side of the fixing rod (6) are fixedly connected with mounting grooves (9) matched with the first movable rod (201) for use, and one side, away from the fixing rod (6), of the positioning plate (204) is fixedly connected with an anti-slip mat (10).

4. A sharpening device for a hub of a train as claimed in claim 2, wherein: the rear side of the moving plate (304) is fixedly connected with a moving block (11), a sliding rod (12) is movably connected inside the moving block (11), and the top and the bottom of the sliding rod (12) both extend to the outer side of the moving block (11) and are fixedly connected with the inner wall of the support frame (4).

5. A sharpening device for a hub of a train as claimed in claim 2, wherein: the screw hole (13) that uses with screw rod (301) cooperation is seted up in the inside of support frame (4), the rear side at device body (1) top is opened and is equipped with thread groove (14) that use with screw rod (301) cooperation.

6. A sharpening device for a hub of a train as claimed in claim 1, wherein: the inside fixedly connected with backup pad (15) of device body (1), the top fixedly connected with motor (16) of backup pad (15), the output fixedly connected with pivot (17) of motor (16), the top of pivot (17) and the bottom fixed connection of carousel (5), rotation hole (18) that use with carousel (5) cooperation are seted up at the top of device body (1).