CN218294239U

CN218294239U - Novel roller

Info

Publication number: CN218294239U
Application number: CN202222352851.5U
Authority: CN
Inventors: 顾洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-01-13
Anticipated expiration: 2032-09-05

Abstract

The embodiment of the utility model discloses a novel roller belongs to mechanical technical field. A novel roller. Which comprises a wheel frame; a wheel housing; a knuckle bearing; a sealed bearing support; a spacer sleeve; a fastener. The sliding surface of the roller is arranged on the knuckle bearing, and the wheel shell and the bearing bracket form clearance fit, so that the sliding surface is in a relatively closed state, dust is prevented from directly invading, and the knuckle bearing is protected; all parts do not move along the axial direction of the wheel shaft, so that the direct abrasion of the wheel carrier and the bearing is avoided; lubricating grease is added into all the matching forming spaces, so that the joint bearing is protected, and dust is prevented from being involved. The original copper-based or iron-based self-lubricating bearing is replaced by a lubricatable or self-lubricating joint bearing, so that the bearing is more wear-resistant. The double-seal type bearing support and the double-knuckle bearing support the wheel shell, so that the roller can stably run. The roller-releasing mechanism can be widely applied to the mechanical fields of trolleys, roller releasing, conveying rollers and the like.

Description

Novel roller

Technical Field

Belong to mechanical technical field, especially relate to a novel gyro wheel.

Background

The roller is widely applied to the fields of metallurgy, mines, chemical industry and the like, and different rollers are selected in different environments. The rolling mode of the roller is also different from that of the selected bearing. The common roller with the self-lubricating bearing directly matched with the shaft is the roller which is formed by directly embedding the self-lubricating bearing in a wheel shell, polishing the surface of the shaft, directly penetrating the wheel carrier and the bearing through the shaft and directly matching the bearing with the shaft for rolling. This prior art has problems: firstly, the sliding surface of the roller and the rolling shaft directly contacts with the environment, and the roller is easy to wear in a high-dust and high-pollution environment; secondly, the materials generally used by the self-lubricating bearing are soft and easy to wear; thirdly, the wheel rolls on the shaft without axial restraint, and the wheel or the self-lubricating bearing is easy to move in a string way along the axial direction under the action of axial force, so that the wheel frame is easy to wear. If the roller with the rolling surfaces being relatively sealed and the axial constraint and the wear-resistant bearings being installed can be provided, the service life of the roller can be greatly prolonged, and the roller is applied to conveying and transmission of trolleys, carrier rollers and the like, so that equipment can run more stably and has longer service life.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to achieve the above object, the present invention provides a novel roller, which has the following technical solutions:

a novel roller comprises a wheel frame; a wheel housing; a knuckle bearing; a sealed bearing support; a spacer bush; a fastener.

Further, the wheel carrier is a bracket for supporting the integral roller.

Further, the wheel shaft is a through shaft for supporting the wheel to rotate, and the wheel rotates along the axis of the wheel shaft.

Furthermore, the wheel shell is a main part of the roller and is used for directly contacting and rolling with a track or a rotating roller and the like to complete work.

Furthermore, a bearing positioning boss and a wheel shell dust exhaust chamfer are designed on the wheel shell.

Further, the joint bearing is to replace a copper-based or iron-based self-lubricating bearing in the prior art with a joint bearing in order to make the bearing more wear-resistant.

Further, the knuckle bearing is a sliding component for the rotation of the roller. The joint bearing outer sleeve is matched with the wheel shell; the joint bearing inner sleeve is matched with the sealed bearing bracket. Each set of idler wheel is matched with two joint bearings.

Furthermore, a bracket dust-discharging chamfer is designed on the sealed bearing bracket.

Furthermore, the spacer bush is used for supporting the wheel shaft and propping the sealed bearing bracket against the sealed bearing bracket without generating axial displacement along the wheel shaft.

Furthermore, the fastener comprises a nut, a flat pad and an elastic pad, and the spacer bush, the two sealed bearing brackets and the wheel carrier are locked through the wheel shaft.

Further, in the prior art, two self-lubricating bearings are mounted in the wheel housing, and the self-lubricating bearings slide on the wheel shaft. Dust is easy to enter the sliding surface; the wheel shell and the self-lubricating bearing are not axially constrained simultaneously, and the wheel shell and the self-lubricating bearing easily slide axially along the wheel shaft, so that the self-lubricating bearing and the wheel carrier are abraded; further, after the side flange on the self-lubricating bearing is worn and lost, the wheel shell is directly worn with the wheel frame. And the whole is scrapped.

Further, a novel gyro wheel, two bearing bracket are installed on the shaft to the summit, and the internal diameter all cooperates with the shaft.

Further, the two bearing brackets and the spacer are mounted to the wheel axle and are securely locked to the wheel carrier by fasteners.

Furthermore, the two joint bearings are respectively installed on the two bearing supports, and the two bearing supports respectively restrain the two joint bearings to axially slide towards the left side and the right side.

Further, the outer sleeves of the two joint bearings clamp the bearing positioning bosses on the wheel shell, and the wheel shell is locked without sliding along the axial direction of the wheel shaft.

Furthermore, the two knuckle bearings support the wheel shell at the same time, so that the axis of the wheel shell is coincident with the axis of the wheel shaft, and the wheel shell is stable and does not incline.

Further, the wheel housing rolls about the axis of the wheel shaft by means of the joint bearing.

Furthermore, the maximum outer diameter of the end face flange of the knuckle bearing is in clearance fit with the inner diameter of the wheel shell, so that the rotation of the wheel shell is guaranteed, and dust is prevented from directly entering the wheel shell.

Furthermore, a wheel shell dust exhaust chamfer on the wheel shell is matched with a support dust exhaust chamfer on the bearing support to form an inwards concave triangular groove. Under the condition that the axis of the roller is horizontal, dust falling generally falls linearly, and the dust falling is not easy to invade a rolling gap; even if there is dust invaded, the dust can roll off the dust discharging chamfers of the wheel shell and the bracket along with the roller in the falling process, and the dust falls out of the wheel.

Further, a space is formed between the wheel shell and the two joint bearings in a matched mode; spaces are also formed among the wheel shell, the knuckle bearing and the bearing support. Three spaces in total. Lubricating grease is added into the three spaces, so that the lubrication of the bearing is ensured, and dust can be prevented from entering. The operation of the bearing is ensured.

Compared with the prior art, the utility model, above-mentioned technical scheme has following technological effect:

firstly, the sliding surface of the roller is arranged on the knuckle bearing, and the sliding surface is in a relatively closed state due to the matching of the wheel shell and the bearing bracket, so that the direct invasion of dust is avoided, and the knuckle bearing is protected; secondly, all parts do not move along the axial direction of the wheel shaft, so that the problem of abrasion of the wheel carrier and the joint bearing is avoided; and thirdly, lubricating grease is added into all the spaces formed by matching, so that the joint bearing is protected, and dust is prevented from being involved. Fourthly, the original copper-based or iron-based self-lubricating bearing is replaced by a lubricating or self-lubricating joint bearing, so that the bearing is more wear-resistant. Realize the utility model discloses all purposes that will reach.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, obviously, the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a novel roller;

FIG. 2, a half-sectional view of the wheel housing;

FIG. 3 is a semi-sectional view of a sealed bearing support

FIG. 4 is a schematic view of a prior art roller

FIG. 5 is a rear sectional view of the novel roller assembly

[ main component symbol description ]

1. A wheel carrier;

2. a wheel axle;

3. a wheel housing;

31. bearing positioning boss

32. Dust-removing chamfer angle of wheel shell

4. A knuckle bearing;

5. a sealed bearing support;

51. bracket dust-removing chamfer

6. A spacer bush;

7. a fastener;

1-1, wheel shell in the prior art;

1-2, self-lubricating bearings in the prior art;

1-3, wheel axle in prior art;

1-4, wheel carrier in the prior art.

Detailed Description

To achieve the technical problems and advantages of the present invention, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

A novel roller is shown in figure 1: which comprises a wheel frame 1; a wheel housing 3; a joint bearing 4; a sealed bearing support 5; a spacer 6; and a fastener 7.

Further, the wheel carriage 1 is a stand for supporting an integral roller.

Further, the wheel shaft 2 is a through shaft for supporting the wheel to rotate, and the wheel rotates along the axis of the wheel shaft.

Further, the wheel housing 3 is a main part of the roller, and is used for directly contacting and rolling with a track or a rotating roller and the like to complete work.

Further, as shown in fig. 2, the wheel housing 3 is designed with a bearing positioning boss 31 and a wheel housing dust exhaust chamfer 32.

Further, the oscillating bearing 4 is a copper-based or iron-based self-lubricating bearing in the prior art, which is replaced by an oscillating bearing in order to make the bearing more wear-resistant.

Further, the joint bearing 4 is a sliding member for the roller to rotate. The outer sleeve of the joint bearing 4 is matched with the wheel shell 3; the inner sleeve of the joint bearing 4 is matched with the sealed bearing bracket 5. Each set of rollers is provided with two joint bearings 4.

Further, as shown in fig. 3, the sealed bearing support 5 is designed with a support dust-discharging chamfer 51.

Further, the spacer 6 is used to support the wheel axle and is pressed against the sealed bearing support 5 without axial displacement along the wheel axle 2.

Further, the fastening element 7 comprises a nut, a flat washer, a spring washer, locking the spacer 6, the two sealed bearing brackets 5, to the wheel carrier 1 via the wheel axle 2.

Further, as shown in fig. 4, in the prior art, two self-lubricating bearings 1-2 are arranged in a wheel housing 1-1 and slide on a wheel shaft 1-3. Dust is easy to enter the sliding surface; the wheel shell 1-1 and the self-lubricating bearing 1-2 easily slide along the axial direction of the wheel shaft without axial restraint, so that the self-lubricating bearing 1-2 and the wheel carrier 1-4 are abraded; further, after the side flange on the self-lubricating bearing 1-2 is worn and lost, the wheel shell 1-1 and the wheel carrier 1-4 are directly worn. And the whole is scrapped.

Further, as shown in fig. 5, a rear half-sectional view of the novel roller assembly is shown.

Further, as shown in fig. 5, the two bearing brackets 5 are mounted to the hub 2 in a butt-joint manner, with both inner diameters fitting the hub 2.

Further, as shown in fig. 5, the right bearing bracket 5 is tightly fitted with the wheel carrier 1.

Further, as shown in fig. 5, the left bearing bracket is tightly fitted with the spacer 6.

Further, as shown in fig. 5, the two bearing brackets 5 and the spacer 6 are mounted to the wheel axle 2 and are firmly locked to the wheel frame 1 by the fastening members 7.

Further, as shown in fig. 5, the two spherical plain bearings are respectively mounted on two bearing brackets 5, and the two bearing brackets 5 respectively restrain the two spherical plain bearings 4 from axially sliding towards the left and right sides.

Further, as shown in fig. 5, the outer sleeves of the two joint bearings 4 sandwich the bearing positioning boss 31 on the hub, and the locking hub 3 does not slide in the axial direction of the wheel axle 2.

Further, as shown in fig. 5, the two knuckle bearings 4 support the wheel housing 3 at the same time, so that the axis of the wheel housing 3 is coincident with the axis of the wheel shaft 2, and the wheel housing 3 is stable and does not incline.

Further, as shown in fig. 5, the wheel housing 3 rolls around the axis of the wheel shaft 2 via the knuckle bearing 4.

Further, as shown in fig. 5, the maximum outer diameter of the end face flange of the knuckle bearing 4 is in clearance fit with the inner diameter of the wheel shell 3, so that the rotation of the wheel shell is ensured, and dust is prevented from directly entering the wheel shell.

Further, as shown in fig. 5, the dust exhaust chamfer 32 on the wheel housing 3 cooperates with the dust exhaust chamfer 51 on the bearing support 5 to form an inward-concave triangular groove. Under the condition that the axis of the roller is horizontal, dust falling generally falls linearly, and the dust falling is not easy to invade a rolling gap; even if dust invades, the dust can slide out of the dust exhaust chamfers 32 and the bracket dust exhaust chamfers 51 along with the rolling of the roller in the falling process and fall out of the roller.

Further, as shown in fig. 5, there is a space between the wheel housing 3 and the two knuckle bearings 4; a space is formed among the wheel housing 3, the knuckle bearing 4 and the bearing bracket 5. Three spaces in total. Lubricating grease is added into the three spaces, so that the lubrication of the bearing is ensured, and dust can be prevented from entering. The operation of the bearing is ensured.

The utility model discloses implementation of the above-mentioned technique of embodiment, compared with the prior art, has reached following technological effect:

firstly, the sliding surface of the roller is arranged on the knuckle bearing 4, and the sliding surface is in a relatively closed state due to the matching of the wheel shell 3 and the bearing bracket 5, so that the direct invasion of dust is avoided, and the knuckle bearing 4 is protected; secondly, all parts do not axially displace along the wheel shaft 2, so that the problem of abrasion of the wheel carrier 1 and the joint bearing 4 is solved; thirdly, lubricating grease is added into all the fit clearances, so that the joint bearing 4 is protected, and dust is prevented from being involved. Fourthly, the original copper base or iron base self-lubricating bearing is replaced by the lubricatable or self-lubricating joint bearing, which is more wear-resistant and realizes all the purposes of the utility model.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A novel roller comprises a wheel carrier, a wheel shell, a joint bearing, a sealed bearing bracket, a spacer bush and a fastener; the method is characterized in that:

a bearing positioning boss and a wheel shell dust exhaust chamfer are designed on the wheel shell;

a bracket dust-discharging chamfer is designed on the sealed bearing bracket;

the copper-based or iron-based self-lubricating bearing in the prior art is replaced by a joint bearing.

2. The novel roller according to claim 1, wherein the two spherical plain bearings are respectively mounted on two bearing supports, and the two bearing supports respectively restrain the two spherical plain bearings from sliding axially towards the left and right sides.

3. The new roller according to claim 1, wherein the outer sleeves of the two spherical plain bearings clamp the bearing positioning bosses on the wheel housing, and the wheel housing is locked without sliding along the axial direction of the wheel shaft.

4. The novel roller according to claim 1, wherein the two spherical plain bearings simultaneously support the wheel shell, ensuring that the axis of the wheel shell coincides with the axis of the wheel shaft, and the wheel shell is stable and does not tilt.

5. The novel roller according to claim 1, wherein the maximum outer diameter of the end face flange of the knuckle bearing is in clearance fit with the inner diameter of the wheel shell, so that the rotation of the wheel shell is ensured, and dust is prevented from directly entering the wheel shell.

6. The novel roller according to claim 1, wherein the dust-removing chamfer of the wheel housing cooperates with the dust-removing chamfer of the bracket of the bearing bracket to form an inwardly concave triangular groove.

7. The new roller according to claim 1, wherein a space is provided between the housing and the two spherical plain bearings; and spaces are also formed among the wheel shell, the joint bearing and the bearing bracket, and are three spaces, and lubricating grease is added into the three spaces, so that the lubrication of the bearing is ensured, and dust can be prevented from entering the bearing.