CN209838971U - Wear-resistant sliding bearing device for ship unloader - Google Patents

Abstract

The utility model discloses a belong to bearing technical field, specifically be unload ship device and use wear-resisting slide bearing device, including bearing inner race, ball and holder, the bearing inner race is located the inner chamber of bearing outer race, the ball evenly distributes between bearing inner race and bearing outer race, the holder joint is on the outer wall of ball, lubricating oil duct has all been seted up to the body inside bearing inner race, bearing outer race, the lubricating oil outflow hole has all been seted up in the inner wall middle part of bearing outer race and the outer wall middle part of bearing inner race, through set up the wearing layer in bearing outer race, bearing inner race upper groove, can improve the holistic wear-resisting effect of bearing, and the wearing layer volume of using is less, and the cost is relatively lower; through the cooperation of the lubricating oil channel and the lubricating oil outflow hole, lubricating oil can flow out when the bearing is used, so that oil films are formed between the ball and the bearing outer ring and between the ball and the bearing inner ring, and the direct abrasion between the ball and the bearing outer ring and between the ball and the bearing inner ring is reduced.

Description

Wear-resistant sliding bearing device for ship unloader

Technical Field

The utility model relates to a bearing technical field specifically is unload ship device with wear-resisting sliding bearing device.

Background

The bearing generally includes an inner ring, an outer ring, a plurality of rollers and a cage, wherein the plurality of rollers are respectively arranged in corresponding pockets on a cage base and then are arranged in a raceway formed by the inner ring and the outer ring, and a cage cover is fixed on the upper end surface of the cage base. The turntable bearing is a large or super-large bearing which can bear comprehensive load and has a special structure, and has the characteristics of compact structure, flexible rotation, convenience in installation and maintenance and the like.

The ship unloader is a special machine which is made of a continuous conveying machine and can lift a machine head of bulk materials, or has the self-taking capability, or is matched with a taking and feeding device to continuously lift the bulk materials out of a cabin, then unloads the bulk materials to an arm support or a rack and can convey the bulk materials to a local conveyor system of a main conveying system at the bank.

When the ship unloader is used, the bearing capacity of the ship unloader is large, so that the bearing has very high requirements on wear resistance, the existing bearing is usually externally lubricated and changes materials to achieve the wear-resistant effect when in use, but the cost for manually adding lubricating oil frequently and comprehensively changing the materials is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unload ship device with wear-resisting sliding bearing device to solve the current bearing that proposes in the above-mentioned background art and reach wear-resisting effect for the outside lubrication usually and change the material when using, but its cost higher problem that needs artifical frequent additional lubrication oil and change the material comprehensively.

In order to achieve the above object, the utility model provides a following technical scheme: unload ship device and use wear-resisting slide bearing device, including bearing inner race, ball and holder, the bearing inner race is located the inner chamber of bearing inner race, ball evenly distributed is between bearing inner race and bearing inner race, the holder joint is on the outer wall of ball, the lubricating oil duct has all been seted up to the body inside of bearing inner race, the lubricating oil outlet has all been seted up at the inner wall middle part of bearing inner race and the outer wall middle part of bearing inner race, the inner wall of bearing inner race and the outer wall of bearing inner race all are provided with the recess, and are provided with the wearing layer in the recess, the lubricating oil outlet extends to on the wearing.

Preferably, the outer wall of the bearing outer ring and the inner wall of the bearing inner ring are both provided with limiting grooves, and the limiting grooves are parallel to the axes of the bearing outer ring and the bearing inner ring.

Preferably, friction increasing lugs are arranged on two sides of the groove in the outer wall of the bearing inner ring and two sides of the groove in the inner wall of the bearing outer ring.

Preferably, lubricating oil filling holes are formed in the front walls of the bearing outer ring and the bearing inner ring, and sealing plugs are embedded into the lubricating oil filling holes.

Preferably, the lubrication oil duct is the platykurtic, and the lubrication oil duct is close to bearing inner race or bearing inner race front and back edge and all is provided with the oil storage tank that the cross-section is circular form.

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

1) the wear-resistant layers are arranged in the grooves on the outer ring and the inner ring of the bearing, so that the whole wear-resistant effect of the bearing can be improved, the used wear-resistant layers are less, and the cost is relatively low;

2) through the cooperation of the lubricating oil channel and the lubricating oil outflow hole, lubricating oil can flow out when the bearing is used, so that oil films are formed between the ball and the bearing outer ring and between the ball and the bearing inner ring, and the direct abrasion between the ball and the bearing outer ring and between the ball and the bearing inner ring is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side sectional view of the bearing inner ring and the bearing outer ring of the present invention;

FIG. 3 is a schematic side view of the bearing inner race of the present invention;

fig. 4 is a schematic side view of the bearing outer ring of the present invention.

In the figure: the bearing comprises a bearing outer ring 1, a bearing inner ring 2, balls 3, a retainer 4, a lubricating oil channel 5, a lubricating oil outflow hole 6, a lubricating oil filling hole 7, a wear-resistant layer 8, a friction-increasing bump 9 and a limiting groove 10.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: the wear-resistant sliding bearing device for the ship unloading device comprises a bearing outer ring 1, a bearing inner ring 2, balls 3 and a retainer 4, wherein the bearing inner ring 2 is positioned in an inner cavity of the bearing outer ring 1, the balls 3 are uniformly distributed between the bearing inner ring 2 and the bearing outer ring 1, the retainer 4 is clamped on the outer wall of the balls 3, and the bearing outer ring 1, the bearing inner ring 2, the balls 3 and the retainer 4 form a basic composition structure of the bearing;

lubricating oil duct 5 has all been seted up to bearing inner race 2, bearing inner race 1's body is inside, and lubricating oil outflow hole 6 has all been seted up at the inner wall middle part of bearing inner race 1 and the outer wall middle part of bearing inner race 2, and the inner wall of bearing inner race 1 and the outer wall of bearing inner race 2 all are provided with the recess, and are provided with wearing layer 8 in the recess, and lubricating oil outflow hole 6 extends to on wearing layer 8.

The bearing inner ring 2, the bearing outer ring 1 and the balls 3 are all made of 20Cr2Ni4A or 20Cr2Mn2MoA, and the retainer 4 is made of No. 20 carbon steel;

the wear-resistant layer 8 is made of carburizing steel such as 20Cr, 20CrMo or 20CrMnMo, and the wear-resistant layer 8 is embedded on the outer wall of the bearing inner ring 2 and the inner wall of the bearing outer ring 1.

The outer wall of the bearing outer ring 1 and the inner wall of the bearing inner ring 2 are both provided with limiting grooves 10, the limiting grooves 10 are parallel to the axes of the bearing outer ring 1 and the bearing inner ring 2, and the bearings, the shaft and the shaft seat can be conveniently mounted and prevented from rotating through parallel arrangement;

the friction increasing lugs 9 are arranged on the two sides of the groove in the outer wall of the bearing inner ring 2 and the two sides of the groove in the inner wall of the bearing outer ring 1, and the wear-resistant layer 8 is more stably connected with the bearing inner ring 2 and the bearing outer ring 1 through the friction increasing lugs 9;

lubricating oil filling holes 7 are formed in the front walls of the bearing outer ring 1 and the bearing inner ring 2, sealing plugs are embedded in the lubricating oil filling holes 7, and through the arrangement of the lubricating oil filling holes 7, lubricating oil in the lubricating oil channel 5 can be added after being used, so that the lubricating oil can be used for multiple times, and the service life of the bearing is prolonged;

lubricating-oil duct 5 is the platykurtic, and lubricating-oil duct 5 is close to bearing inner race 1 or bearing inner race 2 front and back edge and all is provided with the oil storage tank that the cross-section is circular form, and the setting up of oil storage tank can make the inside more lubricating oil of storage of lubricating-oil duct 5, increases the time of lubrication action.

The working principle is as follows: when the bearing outer ring and the bearing inner ring are used, the bearing outer ring 1 and the bearing inner ring 2 are respectively arranged on the bearing seat and the rotating shaft, the bearing outer ring 1 and the bearing inner ring 2 are in transition fit with the bearing seat and the rotating shaft through the arrangement of the limiting grooves 10, and interference fit is not needed when relative rotation does not occur, so that the installation precision is improved;

through the arrangement of the friction-increasing bumps 9, the stability of the connection of the wear-resistant layer 8 with the bearing outer ring 1 and the bearing inner ring 2 is improved, and the situation of looseness after long-time use is avoided;

lubricating materials are injected into the lubricating oil channel 5 through the lubricating oil injection hole 7, the sealing plug on the lubricating oil injection hole 7 is plugged again after injection, the lubricating materials are lubricating grease, the lubricating grease is thick or solid at a low temperature and becomes thin after being heated, when relative rotation occurs among the bearing outer ring 1, the bearing inner ring 2 and the balls 3 to generate friction, heat generated by friction is transmitted to the lubricating grease in the lubricating oil channel 5 through the bearing outer ring 1 and the bearing inner ring 2, so that the lubricating grease is melted and is discharged among the bearing outer ring 1, the bearing inner ring 2 and the balls 3 through the lubricating oil outflow hole 6, so that oil films are generated among the balls 3, the bearing outer ring 1 and the bearing inner ring 2, and the bearing outer ring 1, the bearing inner ring 2 and the balls 3, and the effects of protecting and reducing abrasion are achieved on the bearing outer ring 1, the bearing;

the wear-resisting effect of the wear-resisting layer 8 is good, direct abrasion between the ball 3 and the bearing outer ring 1 and between the ball 3 and the bearing inner ring 2 is avoided, and therefore the whole service life of the bearing can be guaranteed.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 (5)

1. Unload ship wear-resisting slide bearing device for device, including bearing inner race (1), bearing inner race (2), ball (3) and holder (4), bearing inner race (2) are located the inner chamber of bearing inner race (1), ball (3) evenly distributed is between bearing inner race (2) and bearing inner race (1), holder (4) joint is on the outer wall of ball (3), its characterized in that: lubricating oil duct (5) have all been seted up to the body inside of bearing inner circle (2), bearing inner race (1), lubricating oil outflow hole (6) have all been seted up at the inner wall middle part of bearing inner circle (1) and the outer wall middle part of bearing inner circle (2), the inner wall of bearing inner circle (1) and the outer wall of bearing inner circle (2) all are provided with the recess, and are provided with wearing layer (8) in the recess, lubricating oil outflow hole (6) extend to on wearing layer (8).

2. The wear-resistant sliding bearing device for a ship unloader of claim 1, wherein: the bearing is characterized in that limiting grooves (10) are formed in the outer wall of the bearing outer ring (1) and the inner wall of the bearing inner ring (2), and the limiting grooves (10) are parallel to the axes of the bearing outer ring (1) and the bearing inner ring (2).

3. The wear-resistant sliding bearing device for a ship unloader of claim 1, wherein: and friction increasing lugs (9) are arranged on two sides of the groove on the outer wall of the bearing inner ring (2) and two sides of the groove on the inner wall of the bearing outer ring (1).

4. The wear-resistant sliding bearing device for a ship unloader of claim 1, wherein: lubricating oil filling holes (7) are formed in the front walls of the bearing outer ring (1) and the bearing inner ring (2), and sealing plugs are embedded into the lubricating oil filling holes (7).

5. The wear-resistant sliding bearing device for a ship unloader of claim 1, wherein: lubricating oil duct (5) are the platykurtic, and lubricating oil duct (5) are close to bearing inner race (1) or bearing inner race (2) front and back edge and all are provided with the oil storage tank that the cross-section is circular form.