CN217837235U

CN217837235U - Long-life high-speed wear-resisting carrier roller

Info

Publication number: CN217837235U
Application number: CN202222032822.0U
Authority: CN
Inventors: 王洪涛; 王臻
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-18
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a high-speed wear resistant bearing roller of long-life, including the roller, the bearing frame is installed at the roller both ends, is equipped with the bearing in the bearing frame, and the coaxial roller of roller is installed at the bearing center, and the outside of bearing is equipped with the sealing washer, is equipped with the contact lip between sealing washer and the roller, and the outside of sealing washer is equipped with the shield, between bearing frame and the roller, between bearing outer ring and the bearing frame, between sealing washer outer ring and the bearing frame, the roller all adopts the interference fit mode installation with the bearing inner ring, the utility model discloses a layer upon layer interference principle makes the axiality of each part more unanimous to reduce the rotating resistance, carry out dustproof and waterproof protection through shield, sealing washer and contact lip to the bearing, improve the wearability, increase of service life.

Description

Long-life high-speed wear-resisting carrier roller

Technical Field

The utility model relates to a technical field of bearing roller, especially a high-speed wear-resisting bearing roller of long-life.

Background

In industry, belt conveyors are widely used in transportation equipment for chemical industry, coal mine, metallurgy, building materials, electric power and other production. As a main part of the belt conveyor, the wear resistance and the service life of the high-speed carrier roller directly influence the service performance and subsequent maintenance of the belt conveyor. Bearings at two ends of the conventional carrier roller are sealed by labyrinth, and dust, moisture and oil stain enter the bearings through gaps in the using process to corrode the bearings, so that the energy consumption of the carrier roller is increased and the service life of the carrier roller is shortened; in addition, the installation pretightning force of current bearing roller end bearing is relatively poor, and traditional welded structure can produce the heat altered shape, and in use can lead to the rotational resistance increase, and structural strength and axiality worsen are unfavorable for long-term the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a wear-resisting bearing roller of long-life high speed.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a high-speed wear resistant bearing roller of long-life, includes the roller, the bearing frame is installed at the roller both ends, is equipped with the bearing in the bearing frame, and the coaxial roller of roller is installed at the bearing center, and the outside of bearing is equipped with the sealing washer, is equipped with the contact lip between sealing washer and the roller, and the outside of sealing washer is equipped with the shield, all adopt interference fit mode installation between bearing frame and the roller, between the outer loop of bearing and the bearing frame, between the outer loop of sealing washer and the bearing frame, between the inner ring of bearing and the roller.

The technical scheme is that a spigot is arranged on the inner side of the roller, and the outer ring of the bearing seat is arranged in the spigot.

The further technical scheme is that a shaft neck is arranged on the outer side of the roller shaft, and an inner ring of the bearing is mounted on the shaft neck.

The technical scheme is that a clamping tenon is arranged on the outer ring of the dustproof cover, a clamping groove corresponding to the clamping tenon is formed in the inner side of the bearing seat, and the dustproof cover is in transition fit with the bearing seat.

According to a further technical scheme, the sealing ring and the contact lip are made of wear-resistant and oil-resistant rubber materials.

According to a further technical scheme, the surface of the shaft neck is plated with an anti-corrosion material, the bearing seat is formed by casting light metal, and the dustproof cover is made of an organic elastic material.

According to a further technical scheme, the contact lip is coated with high-speed lithium-based grease, and the roller shaft are subjected to rust prevention treatment.

The utility model has the advantages of it is following:

(1) The utility model discloses in through layer upon layer interference fit principle, make the cooperation between bearing frame, roller, sealing washer, bearing and the roller tighter, make each part highly unanimous with the axiality to reduce the rotation resistance by a wide margin, reach and improve life-span and energy-conserving effect; shelter from peat slurry and particulate matter through the shield, the interference fit of sealing washer outer loop and bearing frame, the contact of sealing washer lip and roller is sealed, carries out complete water proof to the bearing, makes the bearing life-span improve by a wide margin.

(2) The utility model discloses in the installation that cooperatees through the draw-in groove of the tenon of shield and bearing frame, realize cyclic annular tenon coupling mechanism, improve the axial load of bearing roller and anti the ability of falling off, the wear-resisting rubber material of sealing washer has strengthened the wearability of bearing roller, and the high-speed lithium base grease of contact lip can further reduce frictional resistance, reduces the power consumption of bearing roller.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

FIG. 3 is a schematic view of the structure of the roller shaft and the roller of the present invention;

fig. 4 is a schematic sectional structure of the present invention;

fig. 5 is a partially enlarged schematic view at B in fig. 4.

In the figure, 1, a roller; 11. stopping the opening; 2. a roll shaft; 21. a journal; 3. a dust cover; 31. clamping tenons; 4. a seal ring; 41. contacting the lip; 5. a bearing; 6. a bearing seat; 61. a clamping groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1 to 5, a long-life high-speed wear-resistant carrier roller comprises a roller 1, bearing seats 6 are installed at two ends of the roller 1, bearings 5 are arranged in the bearing seats 6, a roller shaft 2 coaxial with the roller 1 is installed at the center of each bearing 5, a sealing ring 4 is arranged on the outer side of each bearing 5, a contact lip 41 is arranged between each sealing ring 4 and the roller shaft 2, the contact lip 41 can block external moisture and oil stains from entering the inner bearing 5, the service life of each bearing is prolonged, a dustproof cover 3 is arranged on the outer side of each sealing ring 4 to prevent external dust from entering, peat slurry and particulate matters are filtered, gaps are reserved between each sealing ring 4 and the dustproof cover 3 of each bearing 5, the gaps are preferably 1/20 of the depth of each bearing seat 6, the rotating resistance is greatly reduced between each bearing seat 6 and the roller 1, the outer ring of each bearing 5 and the bearing seat 6, the outer ring of each sealing ring 4 and the roller shaft 6 are installed in an interference fit mode, the inner ring of each bearing 5 and the roller shaft 2 are highly consistent through a layer-by layer principle, the coaxiality is high, the rotating resistance is greatly reduced, the wear resistance is enhanced, and the wear resistance is achieved, and the effects of prolonging the service life and saving energy.

In the embodiment, the inner sides of two ends of the roller 1 are symmetrically provided with rabbets 11, and the outer rings of the bearing seats 6 are arranged in the rabbets 11 in an interference manner; the two ends of the roll shaft 2 are provided with shaft journals 21, and the inner ring of the bearing 5 is arranged on the shaft journals 21, so that the coaxial positions of the bearing seat 6 and the bearing 5 are stable, and the coaxiality is convenient to maintain.

In this embodiment, the outer loop of shield 3 is equipped with annular trip 31, the high 1/30 that can select for shield 3 diameters of

trip

31, 6 inboard draw-in grooves 61 that correspond with trip 31 that are equipped with of bearing frame, adopt transition fit between the outer loop of shield 3 and the bearing frame 6, the outer loop of shield 3 forms the line gap with axle journal 21 dustproof, prevent that outside dust from getting into, the cyclic annular trip mechanism between shield 3 and the bearing frame 6, compare in traditional jump ring structure, can further improve the axial load and the anti ability of falling off of bearing roller.

In the embodiment, the sealing ring 4 and the contact lip 41 are made of wear-resistant and oil-resistant rubber materials, preferably nitrile rubber materials, the outer ring elastic material of the sealing ring 4 is in interference fit with the bearing seat 6, and the contact seal of the sealing ring lip 41 and the roller shaft 2 achieves complete waterproof protection on the bearing 5, so that the service life can be prolonged, and the wear resistance can be enhanced; the surface of the roller shaft 2 is plated with an anticorrosive material, preferably chrome plating, the roller shaft 2 is made of a Q235 material, the roller 1 is preferably made of a seamless steel pipe, the surface of the roller 1 is plated with an anticorrosive elastic material, the bearing seat 6 is made of light metal through casting, preferably aluminum-copper alloy, the dust cover 3 is made of an organic elastic material, preferably nylon material, and the whole weight of the carrier roller can be reduced.

In this embodiment, the contact lip 41 is coated with high-speed lithium grease, so that friction force in high-speed operation can be reduced, and the roller 1 and the roller shaft 2 are subjected to rust prevention treatment to prevent rust.

The utility model discloses a bearing frame 6 is impressed in advance to roller 1 to lead to special frock and adjust the back well, carry out the processing of car circle to roller 1 surface again, be convenient for improve rotating part's dynamic balance nature.

The utility model discloses an implement the principle as follows: the utility model has the advantages that the contact of the bearing seat 6, the roller 1, the bearing 5, the sealing ring 4 and the roller shaft 2 is tight through interference fit, the pretightening force and the sealing property of the carrier roller are improved, the coaxiality of all the parts is highly consistent, the rotation resistance is greatly reduced, and the service life is prolonged and the energy-saving effect is realized; the sealing ring 4 is in interference fit with the bearing seat 6, and the contact lip 41 is in contact sealing with the roller shaft 2, so that external moisture can be prevented from entering, the bearing is protected from water, and the service life of the bearing is greatly prolonged; the dustproof cover 3 prevents external dust from entering, and improves the axial load and the anti-falling capacity of the carrier roller; the carrier roller is made of light and wear-resistant materials, so that the carrier roller is lighter and more wear-resistant, and the energy consumption is reduced; the utility model discloses a special frock carries out surperficial car circle processing to the roller 1 of bearing frame 6 of only impressing, has improved rotating part's dynamic balance nature to adapt to high-speed motion characteristic.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a wear-resisting bearing roller of high speed of long-life, includes roller (1), its characterized in that: bearing frame (6) are installed at roller (1) both ends, are equipped with bearing (5) in bearing frame (6), and roller (2) coaxial with roller (1) are installed at bearing (5) center, and the outside of bearing (5) is equipped with sealing washer (4), is equipped with contact lip (41) between sealing washer (4) and roller (2), and the outside of sealing washer (4) is equipped with shield (3), all adopt the interference fit mode installation between bearing frame (6) and roller (1), between the outer loop of bearing (5) and bearing frame (6), between the outer loop of sealing washer (4) and bearing frame (6), between the inner ring of bearing (5) and roller (2).

2. A long life high speed wear resistant idler roll as claimed in claim 1 wherein: the inner side of the roller (1) is provided with a spigot (11), and the outer ring of the bearing seat (6) is arranged in the spigot (11).

3. A long life high speed wear resistant idler roll as claimed in claim 1 wherein: and a shaft neck (21) is arranged on the outer side of the roll shaft (2), and an inner ring of the bearing (5) is arranged on the shaft neck (21).

4. A long life high speed wear resistant idler roll as claimed in claim 1 wherein: the outer ring of shield (3) is equipped with annular trip (31), bearing frame (6) inboard is equipped with draw-in groove (61) that correspond with trip (31), adopt transition fit between shield (3) and bearing frame (6).

5. A long life high speed wear resistant idler roll as claimed in claim 1 wherein: and the sealing ring (4) and the contact lip (41) are made of wear-resistant and oil-resistant rubber materials.

6. A long life high speed wear resistant idler roll as claimed in claim 3 wherein: the surface of the shaft neck (21) is plated with an anticorrosive material, the bearing seat (6) is cast by adopting light metal, and the dustproof cover (3) is made of an organic elastic material.

7. A long life high speed wear resistant idler roll as claimed in claim 1 wherein: the contact lip (41) is coated with high-speed lithium-based grease, and the roller (1) and the roller shaft (2) are subjected to rust prevention treatment.