CN211852531U

CN211852531U - Closed side dress walking wheel for machinery

Info

Publication number: CN211852531U
Application number: CN202020474841.7U
Authority: CN
Inventors: 陈亦兵; 张可飞; 周健; 邵坚; 周子棠
Original assignee: ANHUI HUANGSHAN HENGJIU CHAIN DRIVE CO LTD
Current assignee: ANHUI HUANGSHAN HENGJIU CHAIN DRIVE CO LTD
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-03
Anticipated expiration: 2030-04-03

Abstract

The utility model provides a closed side dress walking wheel for machinery belongs to transmission technical field. This closed side dress walking wheel for machinery, including the gyro wheel body, the gyro wheel hole has been seted up to the inside of gyro wheel body, the inside of gyro wheel hole is provided with closed bearing frame, the one end of closed bearing frame extends to the outside of gyro wheel hole and rotates the joint with the lateral wall of gyro wheel body, the other end surface of closed bearing frame rotates and is connected with the bearing, the surface of bearing and the inside wall fixed connection of gyro wheel body. Through introducing the bearing frame structure to make the bearing frame closed, prevent that dust, granule bulk material from getting into the gyro wheel, bearing hole and bearing frame external diameter, bearing external diameter and gyro wheel hole adopt interference fit, and the bearing frame keeps static with the axle, eliminates radial clearance in traditional mounting means, makes the gyro wheel transmission more steady.

Description

Closed side dress walking wheel for machinery

Technical Field

The utility model provides a closed side dress walking wheel for machinery belongs to transmission technical field.

Background

The traditional roller structure has two kinds: the roller is sleeved on the shaft in a hollow way or a rolling bearing is arranged in the roller, the bearing is directly sleeved on the shaft, the lubricating property between the roller and the pin shaft is poor, and the roller and the pin shaft are easy to wear; dust, slurry and the like easily enter between the rolling shafts to cause roller blocking, the axial movement is large, the unstable factor is strong, after the rolling bearings are filled in the rolling bearings, the rolling bearings are improved in comparison with the traditional mode, however, the inner rings of the bearings are sleeved on the shafts in a hollow mode, the roller jumping is large, the dust, the slurry and the like easily enter between the bearings and the shafts to cause roller blocking, the lubricating property is poor, the axial movement is large, and particularly, the rolling bearings walk on the road surface with complicated road conditions for a long time and have large potential safety hazards.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a walking wheel for a closed side-mounted machine, which solves the problems that the prior roller and pin shaft with a plurality of roller structures have poor lubricating property and are easy to wear; dust, slurry and the like easily enter between the rolling shafts to cause the roller to be blocked and the axial movement is large.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a walking wheel for a closed side-mounted machine comprises a roller body, wherein a roller inner hole is formed in the roller body, a closed bearing seat is arranged in the roller inner hole, one end of the closed bearing seat extends to the outer part of the roller inner hole and is rotationally clamped with the outer side wall of the roller body, a bearing is rotationally connected to the outer surface of the other end of the closed bearing seat, the outer surface of the bearing is fixedly connected with the inner side wall of the roller body, a labyrinth steel disc all-metal sealing ring is sleeved on the outer surface of the closed bearing seat in a rotating mode and is located between the bearing and the roller body, the outer surface of the labyrinth steel disc all-metal sealing ring is fixedly connected with the inner side wall of the roller body, a first sealing element is fixedly connected to the inner side wall of the roller body and one end of the first sealing element, which is far away from the closed bearing seat, dustproof sealing lid joint is in the inside of gyro wheel body, the bearing hole has been seted up to the inside of closed bearing frame, the inside wall fixedly connected with second sealing member of closed bearing frame.

Preferably, the first sealing element and the second sealing element are both O-shaped circular rings, the first sealing element has a sealing effect on the shaft and the bearing seat, the second sealing element has a sealing effect on the roller, and the first sealing element and the second sealing element are matched with the closed bearing and the labyrinth steel disc all-metal sealing ring to form a combination of a multi-layer combined sealing mode, so that lubricating grease pre-stored in the roller does not overflow out, and the effect of realizing lubrication-free of the roller in the use and maintenance process is achieved.

Preferably, the outer diameter of the inner hole of the bearing and the closed bearing seat, and the outer diameter of the bearing and the inner hole of the roller adopt interference fit, so that the bearing seat and the shaft are kept static, the radial gap in the traditional installation mode is eliminated, and the roller transmission is more stable.

Preferably, the inside of gyro wheel body is filled in advance and is full of lubricating grease, because multilayer combined seal structure, lubricating grease can not run off in the gyro wheel, and the bearing obtains fully lubricated for the gyro wheel life-span improves greatly, reduces the maintenance cost.

Preferably, the outer surface of the closed bearing seat and the inner side wall of the roller body are fixedly connected with bearing limiting rings, the two bearing limiting rings are located on the same side of the bearing, the position of the bearing is limited, and the stability of the device body in the walking process is improved.

The working principle is as follows: when in use, the device is different from the traditional equipment in that a bearing seat structure is introduced, and the bearing seat is made into a closed type, so that dust and granular bulk materials are prevented from entering the roller, meanwhile, the inner hole of the bearing is in interference fit with the outer diameter of the bearing seat, the outer diameter of the bearing is in interference fit with the inner hole of the roller, the bearing seat and the shaft are kept static, the radial clearance in the traditional installation mode is eliminated, the transmission of the roller is more stable, and the high-end sealing element of the labyrinth steel disc all-metal sealing ring can bear axial pressure, meanwhile, the grease lubricated bearing exposed to the extreme pollution environment can be sealed, the axial movement of the roller is avoided, meanwhile, the roller is pre-filled with lubricating grease, because multilayer combined seal structure, lubricating grease can not run off in the gyro wheel, and the bearing obtains fully lubricated, reaches the gyro wheel and realizes exempting from lubricated effect in the use maintenance process, and the gyro wheel life-span improves greatly, reduces the maintenance cost.

(III) advantageous effects

The utility model provides a closed side dress walking wheel for machinery. The method has the following beneficial effects:

1. the labyrinth type steel disc all-metal sealing ring high-end sealing element can bear axial pressure, and simultaneously can seal a grease lubrication bearing exposed in an extreme pollution environment, so that the axial movement of the roller is avoided.

2. The walking wheel for the closed side-mounted machine introduces a bearing seat structure, and the bearing seat is made into a closed type, so that dust and granular bulk materials are prevented from entering the roller.

3. This closed side dress walking wheel for machinery, bearing hole and bearing frame external diameter, bearing external diameter and gyro wheel hole adopt interference fit, and the bearing frame keeps static with the round pin axle, eliminates radial clearance among the traditional mounting means, makes the gyro wheel transmission more steady.

4. This closed side dress walking wheel for machinery, the pre-filling is full of lubricating grease in the gyro wheel, because multilayer combined seal structure, lubricating grease can not run off in the gyro wheel, and the bearing obtains fully lubricated, reaches the gyro wheel and realizes exempting from lubricated effect in the use maintenance process, and the gyro wheel life-span improves greatly, reduces the maintenance cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention.

Wherein, 1, the roller body; 2. labyrinth steel disc all-metal sealing ring; 3. a bearing limit ring; 4. an inner hole of the roller; 5. a first seal member; 6. a dust-proof sealing cover; 7. a bearing; 8. a second seal member; 9. an inner bore of the bearing; 10. and (5) closing the bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1-2, an embodiment of the present invention provides a walking wheel for a closed side-mounted machine, including a roller body 1, a roller inner hole 4 is formed inside the roller body 1, a closed bearing seat 10 is disposed inside the roller inner hole 4, one end of the closed bearing seat 10 extends to the outside of the roller inner hole 4 and is rotatably clamped with the outer side wall of the roller body 1, a bearing 7 is rotatably connected to the outer surface of the other end of the closed bearing seat 10, the outer surface of the bearing 7 is fixedly connected with the inner side wall of the roller body 1, a labyrinth steel disc all-metal sealing ring 2 is rotatably sleeved on the outer surface of the closed bearing seat 10, the labyrinth steel disc all-metal sealing ring 2 is located between the bearing 7 and the roller body 1, the outer surface of the labyrinth steel disc all-metal sealing ring 2 is fixedly connected with the inner side wall of the roller body 1, and one end of the inner side, one side that closed bearing frame 10 was kept away from to first sealing member 5 is provided with dustproof sealing lid 6, and dustproof sealing lid 6 joint is in the inside of gyro wheel body 1, and bearing hole 9 has been seted up to the inside of closed bearing frame 10, and the inside wall fixedly connected with second sealing member 8 of closed bearing frame 10.

The first sealing element 5 and the second sealing element 8 are both O-shaped circular rings; the inner hole of the bearing 7 is in interference fit with the outer diameter of the closed bearing seat 10, and the outer diameter of the bearing 7 is in interference fit with the roller inner hole 4; the roller body 1 is pre-filled with lubricating grease; the outer surface of the closed bearing seat 10 and the inner side wall of the roller body 1 are fixedly connected with bearing limiting rings 3, and the two bearing limiting rings 3 are located on the same side of the bearing 7.

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.

Claims

1. The utility model provides a closed side dress is walking wheel for machinery, includes gyro wheel body (1), its characterized in that: gyro wheel hole (4) have been seted up to the inside of gyro wheel body (1), the inside of gyro wheel hole (4) is provided with closed bearing frame (10), the one end of closed bearing frame (10) extends to the outside of gyro wheel hole (4) and rotates the joint with the lateral wall of gyro wheel body (1), the other end surface of closed bearing frame (10) rotates and is connected with bearing (7), the surface of bearing (7) and the inside wall fixed connection of gyro wheel body (1), the surface of closed bearing frame (10) rotates and has cup jointed labyrinth steel disc all-metal sealing ring (2), labyrinth steel disc all-metal sealing ring (2) are located between bearing (7) and gyro wheel body (1), the surface of labyrinth steel disc all-metal sealing ring (2) and the inside wall fixed connection of gyro wheel body (1), the inside wall of gyro wheel body (1) just keeps away from the one end fixedly connected with of closed bearing frame (10) and first sealing member (5), one side that closed bearing frame (10) were kept away from in first sealing member (5) is provided with dustproof sealing lid (6), dustproof sealing lid (6) joint is in the inside of gyro wheel body (1), bearing hole (9) have been seted up to the inside of closed bearing frame (10), inside wall fixedly connected with second sealing member (8) of closed bearing frame (10).

2. The walking wheel for the enclosed side-mounted machine of claim 1, wherein: the first sealing element (5) and the second sealing element (8) are both O-shaped circular rings.

3. The walking wheel for the enclosed side-mounted machine of claim 1, wherein: the inner hole of the bearing (7) is in interference fit with the outer diameter of the closed bearing seat (10) and the outer diameter of the bearing (7) is in interference fit with the roller inner hole (4).

4. The walking wheel for the enclosed side-mounted machine of claim 1, wherein: the roller body (1) is filled with lubricating grease in advance.

5. The walking wheel for the enclosed side-mounted machine of claim 1, wherein: the outer surface of the closed bearing seat (10) and the inner side wall of the roller body (1) are fixedly connected with bearing limiting rings (3), and the two bearing limiting rings (3) are located on the same side of the bearing (7).