Wheel set group structure with fixing function

Abstract

The utility model relates to the technical field of wheel set production and processing, and discloses a wheel set structure with a fixing function, which comprises a bottom plate, the outer wall of the bottom plate is fixedly connected with a sleeve, the inner wall of the sleeve is rotatably connected with a rotating shaft, and the outer wall of the rotating shaft is provided with a fixing assembly. A first roller is fixedly connected to the outer wall of the fixing assembly, a second roller is fixedly connected to the outer wall of the fixing assembly, the outer wall of the rotating shaft is fixedly connected to the inner wall of the first roller and the inner wall of the second roller, and the outer wall of the first roller is attached to the outer wall of the second roller. According to the utility model, the threaded rod is fixed on the inner walls of the first connecting plate, the first roller, the second roller and the second connecting plate through threaded connection, and the first connecting plate, the first roller, the second roller and the second connecting plate are reinforced and fixed through the threaded sleeve after being fixed, so that displacement, shaking or loosening in the running process of a vehicle is prevented; and the driving risk is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheel set production and processing technical field especially, relates to a wheel set structure with fixed function. BACKGROUND

[0002] Wheel set is a very important component combination in railway vehicles, rail vehicles and other vehicles, usually two wheels are firmly installed on a shaft, in the vehicle running process, wheel set advances or retreats on the track through the rolling of wheels, the tread of the wheel contacts with the track surface, and rolling friction is generated to push the vehicle forward, at the same time, the rim interacts with the inner edge of the track to guide the vehicle to travel along the track, preventing the vehicle from deviating from the track.

[0003] The existing wheel set structure is usually connected tightly together through interference fit between the shaft and the wheel, which can ensure the stable rotation of the wheel on the shaft, and reliably transmit torque and bear various loads of the vehicle, but does not have the fixing function, which leads to displacement, shaking or loosening of the wheel set during the vehicle running, greatly increasing the driving risk. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a wheel set structure with fixed function, aiming at improving the problem that the existing wheel set structure does not have the fixing function, leading to displacement, shaking or loosening of the wheel set during the vehicle running, greatly increasing the driving risk.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A wheel set structure with fixed function, comprising a bottom plate, the outer wall of the bottom plate is fixedly connected with a sleeve, the inner wall of the sleeve is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is provided with a fixing assembly, the outer wall of the fixing assembly is fixedly connected with a first roller, the outer wall of the fixing assembly is fixedly connected with a second roller, the outer wall of the rotating shaft is fixedly connected with the inner wall of the first roller and the second roller, the outer wall of the first roller is attached to the outer wall of the second roller, the outer wall of the second roller is provided with a first connecting plate, the inner wall of the first connecting plate is threadedly connected with a threaded rod, the outer wall of the threaded rod is threadedly connected with the inner wall of the first roller and the second roller, the outer wall of the threaded rod is threadedly connected with a second connecting plate, the outer wall of the second connecting plate is attached to the outer wall of the second roller, and the outer wall of the threaded rod is threadedly connected with a threaded sleeve.

[0007] Preferably, the fixing assembly comprises a reinforcing block, the inner wall of the reinforcing block is fixedly connected with the outer wall of the rotating shaft, the inner wall of the reinforcing block is fixedly connected with a connecting column, and the outer wall of the connecting column is arranged on the inner wall of the first roller and the second roller.

[0008] Preferably, the upper surface of the bottom plate is provided with a support assembly, the upper surface of the support assembly is fixedly connected with a top plate, the outer wall of the support assembly is provided with a first spring, the outer wall of the first spring is arranged on the outer wall of the bottom plate and the top plate, the lower surface of the top plate is fixedly connected with a first connecting block, the outer wall of the first connecting block is rotatably connected with a first transmission plate, the inner wall of the first transmission plate is provided with a transmission assembly, the outer wall of the transmission assembly is rotatably connected with a second transmission plate, and the inner wall of the second transmission plate is rotatably connected with a second connecting block.

[0009] Preferably, the support assembly comprises a support column, the lower surface of the support column is fixedly connected to the upper surface of the bottom plate, the inner wall of the support column is slidably connected with a sliding column, the upper surface of the sliding column is fixedly connected to the lower surface of the top plate, and the outer wall of the first spring is arranged on the outer wall of the support column.

[0010] Preferably, the transmission assembly comprises a transmission block, the inner wall of the first transmission plate is rotatably connected to the outer wall of the transmission block, the outer wall of the transmission block is provided with a second spring, and the inner wall of the second transmission plate is rotatably connected to the outer wall of the transmission block.

[0011] Preferably, the outer wall of the threaded sleeve is arranged on the outer wall of the second connecting plate.

[0012] Preferably, the lower surface of the second connecting block is fixedly connected to the upper surface of the bottom plate.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1、 in the utility model, the reinforcing block and the connecting column are fixed in the inner wall of the first roller and the second roller, so that the stability of the first roller and the second roller is improved, the threaded rod is fixed in the inner wall of the first connecting plate, the first roller, the second roller and the second connecting plate through threaded connection, and after fixing, the first connecting plate, the first roller, the second roller and the second connecting plate are fixedly reinforced by the threaded sleeve, so that displacement, shaking or loosening during vehicle driving is prevented, and the effect of greatly reducing the driving risk is realized.

[0015] 2、 in the utility model, when the vehicle body is installed, the vehicle body weight will first drive the top plate to move, when the top plate moves, the sliding column will slide in the inner wall of the support column and be matched with the bottom plate to compress the first spring, since the first connecting block is fixedly connected with the top plate, the first connecting block will move synchronously when the top plate moves, and then the first transmission plate is rotated, when the first transmission plate rotates, the transmission block will move and compress the second spring, so that the vehicle body is buffered when the vehicle body is installed, the rotary shaft is prevented from breaking, and the service life of the rotary shaft is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of a wheel pair group structure with fixing function is provided for the utility model;

[0017] Figure 2 A sleeve local structure schematic view of a wheel pair group structure with fixing function is provided for the utility model;

[0018] Figure 3 A second connecting plate local structure schematic view of a wheel pair group structure with fixing function is provided for the utility model;

[0019] Figure 4 For Figure 1 The enlarged schematic view at A in the middle.

[0020] Legend:

[0021] 1, bottom plate; 2, sleeve; 3, rotating shaft; 4, first roller; 5, second roller; 6, reinforcing block; 7, connecting column; 8, first connecting plate; 9, threaded rod; 10, second connecting plate; 11, threaded sleeve; 12, support column; 13, sliding column; 14, top plate; 15, first spring; 16, first connecting block; 17, first transmission plate; 18, transmission block; 19, second spring; 20, second transmission plate; 21, second connecting block. Specific implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] With reference to Figures 1-3 , the utility model provides an embodiment: a wheel pair group structure with fixing function, including bottom plate 1, the outer wall fixed connection of bottom plate 1 has sleeve 2, the inner wall rotationally connected of sleeve 2 has rotating shaft 3, the outer wall of rotating shaft 3 is provided with fixed assembly, the outer wall fixed connection of fixed assembly has first roller 4, the outer wall fixed connection of fixed assembly has second roller 5, the inner wall of rotating shaft 3 is fixedly connected in first roller 4 and second roller 5, the outer wall of first roller 4 is attached in the outer wall of second roller 5, the outer wall of second roller 5 is provided with first connecting plate 8, the inner wall of first connecting plate 8 is screw connected with threaded rod 9, the inner wall of first roller 4 and second roller 5 is screw connected in the outer wall of threaded rod 9, the outer wall of threaded rod 9 is screw connected with second connecting plate 10, the outer wall of second connecting plate 10 is attached in the outer wall of second roller 5, the outer wall of threaded rod 9 is screw connected with threaded sleeve 11;

[0024] Specifically, the rotating shaft 3 is used for supporting the first roller 4 and the second roller 5, the threaded rod 9 and the threaded sleeve 11 are used for fixing the first roller 4, the second roller 5, the first connecting plate 8 and the second connecting plate 10 together, the fixing assembly is used for increasing the stability between the first roller 4, the second roller 5 and the threaded rod 9 and the rotating shaft 3, and through the cooperation between the fixing assembly, the threaded rod 9, the first connecting plate 8 and the second connecting plate 10, the first roller 4 and the second roller 5 are further fixed.

[0025] With reference to Figure 1 and Figure 4 , the fixing assembly comprises the reinforcing block 6, the inner wall of the reinforcing block 6 is fixedly connected to the outer wall of the rotating shaft 3, the inner wall of the reinforcing block 6 is fixedly connected with the connecting column 7, and the outer wall of the connecting column 7 is arranged on the inner wall of the first roller 4 and the second roller 5; the upper surface of the bottom plate 1 is provided with the supporting assembly, the upper surface of the supporting assembly is fixedly connected with the top plate 14, the outer wall of the supporting assembly is provided with the first spring 15, the outer wall of the first spring 15 is arranged on the outer wall of the bottom plate 1 and the top plate 14, the lower surface of the top plate 14 is fixedly connected with the first connecting block 16, the outer wall of the first connecting block 16 is rotatably connected with the first transmission plate 17, the inner wall of the first transmission plate 17 is provided with the transmission assembly, the outer wall of the transmission assembly is rotatably connected with the second transmission plate 20, and the inner wall of the second transmission plate 20 is rotatably connected with the second connecting block 21; the supporting assembly comprises the supporting column 12, the lower surface of the supporting column 12 is fixedly connected to the upper surface of the bottom plate 1, the inner wall of the supporting column 12 is slidably connected with the sliding column 13, the upper surface of the sliding column 13 is fixedly connected to the lower surface of the top plate 14, and the outer wall of the first spring 15 is arranged on the outer wall of the supporting column 12; the transmission assembly comprises the transmission block 18, the inner wall of the first transmission plate 17 is rotatably connected to the outer wall of the transmission block 18, the outer wall of the transmission block 18 is provided with the second spring 19, and the inner wall of the second transmission plate 20 is rotatably connected to the outer wall of the transmission block 18.

[0026] Specifically, when the vehicle body is installed, the vehicle body itself will drive the top plate 14 to move first, the top plate 14 and the sliding column 13 are fixedly connected, so that the sliding column 13 will slide on the inner wall of the supporting column 12, and the top plate 14 will compress the first spring 15 by cooperating with the bottom plate 1, the top plate 14 and the first connecting block 16 are fixedly connected, so that the first connecting block 16 will move when the top plate 14 moves, the first connecting block 16 will drive the first transmission plate 17 to rotate, the first transmission plate 17 will drive the transmission block 18 to move, the transmission block 18 will compress the second spring 19 when moving, and the transmission block 18 will drive the second transmission plate 20 to rotate on the outer wall of the second connecting block 21, thereby achieving the effect of buffering the vehicle body when the vehicle body is installed, preventing the rotating shaft 3 from being broken.

[0027] With reference to Figure 1 , Figure 3 andFigure 4 The outer wall of the threaded sleeve 11 is arranged on the outer wall of the second connecting plate 10; the lower surface of the second connecting block 21 is fixedly connected to the upper surface of the bottom plate 1;

[0028] Specifically, the threaded sleeve 11 is used for reinforcing the threaded rod 9, the first connecting plate 8 and the second connecting plate 10, and the bottom plate 1 is used for supporting the second connecting block 21.

[0029] Working principle: the wheel set structure with the fixing function, the rotating shaft 3 is used for providing support for the first roller 4 and the second roller 5, the connecting column 7 is fixed to the inner walls of the first roller 4 and the second roller 5, so as to improve the stability of the first roller 4 and the second roller 5 during operation, the threaded rod 9 is fixed to the inner walls of the first connecting plate 8, the second connecting plate 10, the first roller 4 and the second roller 5 through threaded connection, and then the first connecting plate 8, the second connecting plate 10, the first roller 4 and the second roller 5 are fixedly reinforced through the threaded sleeve 11, so as to achieve the effect of fixing the first roller 4 and the second roller 5; when the vehicle body is installed, the vehicle body will first drive the top plate 14 to move, the top plate 14 will drive the sliding column 13 to slide in the inner wall of the supporting column 12 when moving, and the bottom plate 1 is cooperated with each other to compress the first spring 15, the first connecting block 16 will be synchronously moved when the top plate 14 moves, the first connecting block 16 will drive the first transmission plate 17 to rotate when moving, the transmission block 18 will be moved when the first transmission plate 17 rotates, the second spring 19 will be compressed when the transmission block 18 moves, the second transmission plate 20 will rotate on the outer wall of the second connecting block 21 when the transmission block 18 moves, so as to achieve the effect of buffering when the vehicle body is installed, finally, the wheel set structure with the fixing function can not only fix the first roller 4 and the second roller 5 through the cooperation of the threaded rod 9, the first connecting plate 8, the second connecting plate 10 and the threaded sleeve 11, but also can buffer when the vehicle body is installed by compressing the first spring 15 and the second spring 19, so as to prevent the rotating shaft 3 from being broken, and improve the service life of the rotating shaft 3.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A wheelset group structure with fixed function, comprising a base plate (1), characterized in that: The outer wall of the bottom plate (1) is fixedly connected with a sleeve (2), the inner wall of the sleeve (2) is rotatably connected with a rotating shaft (3), the outer wall of the rotating shaft (3) is provided with a fixed assembly, the outer wall of the fixed assembly is fixedly connected with a first roller (4), the outer wall of the fixed assembly is fixedly connected with a second roller (5), the outer wall of the rotating shaft (3) is fixedly connected with the inner walls of the first roller (4) and the second roller (5), the outer wall of the first roller (4) is attached to the outer wall of the second roller (5), the outer wall of the second roller (5) is provided with a first connecting plate (8), the inner wall of the first connecting plate (8) is threadedly connected with a threaded rod (9), the outer wall of the threaded rod (9) is threadedly connected with the inner walls of the first roller (4) and the second roller (5), the outer wall of the threaded rod (9) is threadedly connected with a second connecting plate (10), the outer wall of the second connecting plate (10) is attached to the outer wall of the second roller (5), and the outer wall of the threaded rod (9) is threadedly connected with a threaded sleeve (11).

2. The wheelset group structure with fixed function according to claim 1, characterized in that: The fixed assembly comprises a reinforcing block (6), the inner wall of the reinforcing block (6) is fixedly connected with the outer wall of the rotating shaft (3), and the inner wall of the reinforcing block (6) is fixedly connected with a connecting column (7).

3. The wheelset group structure with fixed function according to claim 1, characterized in that: The upper surface of the bottom plate (1) is provided with a supporting assembly, the upper surface of the supporting assembly is fixedly connected with a top plate (14), the outer wall of the supporting assembly is provided with a first spring (15), the outer wall of the first spring (15) is arranged on the outer walls of the bottom plate (1) and the top plate (14), the lower surface of the top plate (14) is fixedly connected with a first connecting block (16), the outer wall of the first connecting block (16) is rotatably connected with a first transmission plate (17), the inner wall of the first transmission plate (17) is provided with a transmission assembly, the outer wall of the transmission assembly is rotatably connected with a second transmission plate (20), and the inner wall of the second transmission plate (20) is rotatably connected with a second connecting block (21).

4. The wheelset group structure with fixed function according to claim 3, characterized in that: The supporting assembly comprises a supporting column (12), the lower surface of the supporting column (12) is fixedly connected with the upper surface of the bottom plate (1), the inner wall of the supporting column (12) is slidably connected with a sliding column (13), the upper surface of the sliding column (13) is fixedly connected with the lower surface of the top plate (14), and the outer wall of the first spring (15) is arranged on the outer wall of the supporting column (12).

5. The wheelset group structure with fixed function according to claim 3, characterized in that: The transmission assembly comprises a transmission block (18), the inner wall of the first transmission plate (17) is rotatably connected with the outer wall of the transmission block (18), the outer wall of the transmission block (18) is provided with a second spring (19), and the inner wall of the second transmission plate (20) is rotatably connected with the outer wall of the transmission block (18).

6. The wheelset group structure with fixed function according to claim 1, characterized in that: The outer wall of the threaded sleeve (11) is arranged on the outer wall of the second connecting plate (10).

7. The wheelset group structure with fixed function according to claim 3, characterized in that: The lower surface of the second connecting block (21) is fixedly connected with the upper surface of the bottom plate (1).

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