CN218509957U

CN218509957U - Corrosion-resistant canned type cylindrical roller bearing

Info

Publication number: CN218509957U
Application number: CN202222620304.0U
Authority: CN
Inventors: 刘国强; 孙淼; 张玉琦; 刘玉刚
Original assignee: Dalian Yiyang Bearing Co ltd
Current assignee: Dalian Yiyang Bearing Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-21
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a corrosion-resistant canned type cylindrical roller bearing belongs to bearing technical field, and it includes the outer lane subassembly, the inner circle subassembly has been cup jointed in the outer lane subassembly, the cage subassembly has been cup jointed outward to the inner circle subassembly, sliding connection has a plurality of rolling element in the cage subassembly, the both sides of rolling element are all seted up flutedly. This corrosion-resistant canned type cylindrical roller bearing, through setting up the shrouding, keep the piece, the notch, the lug, a spring, screw hole and connecting screw, the setting of these structures, but make this device in the retainer subassembly be the split type, when the rolling element is assembled, can place the rolling element at appointed service position fast after demolising the shrouding, need not to strike the rolling element, make rolling element installation labour saving and time saving, can effectively promote rolling element assembly efficiency, and can avoid the rolling element receive the damage because of strike and the extrusion collision between the retainer subassembly, ensure its follow-up result of use.

Description

Corrosion-resistant canned type cylindrical roller bearing

Technical Field

The utility model belongs to the technical field of the bearing, specifically be a corrosion-resistant canned type cylindrical roller bearing.

Background

Cylindrical roller bearings, i.e. roller bearings with cylindrical rolling bodies, can be divided into single-row cylindrical roller bearings and multi-row cylindrical roller bearings, and the multi-row cylindrical roller bearings are commonly used in engineering machinery bearing large radial loads. Traditional cylindrical roller bearing is when using, and its holder formula as an organic whole usually, when bearing roller assembles, generally need to knock in the corresponding pocket with the help of appurtenance with the roller downthehole, and this kind of mounting means not only wastes time and energy, very big reduction bearing roller's assembly efficiency, cause the damage to bearing roller easily simultaneously, influence its follow-up result of use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art's above-mentioned defect, the utility model provides a corrosion-resistant canned type cylindrical roller bearing has solved traditional cylindrical roller bearing when using, and its holder formula as an organic whole usually, when bearing roller assembles, generally need to knock in the corresponding pocket with the help of appurtenance with the roller downthehole, and this kind of mounting means not only wastes time and energy, very big reduction bearing roller's assembly efficiency, cause the damage to bearing roller easily simultaneously, influence the problem of its follow-up result of use.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant canned type cylindrical roller bearing, includes the outer lane subassembly, the inner circle subassembly has cup jointed in the outer lane subassembly, the cage subassembly has cup jointed outward to the inner circle subassembly, sliding connection has a plurality of rolling element in the cage subassembly, the both sides of rolling element are all seted up flutedly, cage subassembly sliding connection is in a plurality of recess, the outer lane subassembly includes the bearing inner race, the first enhancement layer of the outer fixedly connected with of bearing inner race, rolling element and first enhancement layer overlap joint, the inner circle subassembly includes the bearing inner race, the outer fixedly connected with second enhancement layer of bearing inner race, rolling element and second enhancement layer overlap joint, the cage subassembly includes the shrouding, the quantity of shrouding is two, and the opposite face of two shroudings is provided with a plurality of retainer block, the equal fixed connection of a plurality of retainer block is in the side of the shrouding that is located one side.

Rolling element sliding connection corresponds between two holding pieces, and a plurality of mounting groove has all been seted up to the opposite face of two shroudings, sliding connection has the lug in the mounting groove, lug sliding connection is in corresponding the recess, be provided with the spring in the mounting groove, the one end fixed connection of spring is at the inner wall that corresponds the mounting groove, the other end fixed connection of spring is outside corresponding the lug, the both sides that keep the piece all set up threaded hole, four grooves of accomodating have been seted up to the side of shrouding, it has connecting screw to accomodate inslot sliding connection, connecting screw's one end threaded connection corresponds threaded hole.

As a further aspect of the present invention: a cavity is formed in the holding block, and the contact surface of the holding block and the rolling body is arc-shaped.

As a further aspect of the present invention: an oil duct is arranged outside the bearing outer ring, and a plurality of oil injection holes are formed in the lower surface of the inner wall of the oil duct.

As a further aspect of the present invention: the bearing inner race is provided with a plurality of mounting grooves on the outside, and a lubricating block is fixedly connected in the mounting grooves.

As a further aspect of the present invention: the lubricating block is set to be a graphite lubricating block, and two sides of the inner wall of the bearing inner ring are set to be inclined.

As a further aspect of the present invention: the two ends of the rolling body are both set to be arc-shaped, and one end of the lug clamped in the groove is set to be arc-shaped.

As a further aspect of the present invention: first enhancement layer and second enhancement layer all set up to anticorrosive enhancement layer, the shrouding sets up to the ring form, the ring footpath of shrouding is less than the interval of bearing inner race and bearing outer lane.

(III) advantageous effects

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

1. this corrosion-resistant canned type cylindrical roller bearing, through setting up the shrouding, the holding block, the notch, the lug, a spring, screw hole and connecting screw, when this device uses, can carry out the dismouting through the single shrouding in appurtenance with the holder subassembly, the rapid Assembly of the rolling element of being convenient for, cooperation through lug and spring can be effectively spacing to the rolling element simultaneously, when guaranteeing the rolling element rolling effect, avoid the rolling element to produce and rock by a wide margin, the setting of these structures, but make this device in the holder subassembly be removable fraction, when the rolling element is assembled, can place the rolling element in appointed service position after demolising the shrouding fast, need not to strike the rolling element, make rolling element installation labour saving and time saving, can effectively promote rolling element assembly efficiency, and can avoid the rolling element to receive the damage because of striking and the extrusion collision between the holder subassembly, guarantee its follow-up result of use.

2. This corrosion-resistant canned type cylindrical roller bearing, through setting up the bearing inner race, first enhancement layer, bearing inner race and second enhancement layer, when this device uses, the rolling element can contact with the bearing inner race through first enhancement layer, the rolling element contacts through second enhancement layer and bearing inner race simultaneously, higher first enhancement layer of intensity and second enhancement layer, can effectively reduce bearing inner race and bearing inner race wearing and tearing speed, guarantee bearing inner race and bearing inner race's life, first enhancement layer and second enhancement layer all have good corrosion resisting capability simultaneously, can avoid bearing inner race and bearing inner race to receive the erosion, further guarantee this device life.

3. This corrosion-resistant canned type cylindrical roller bearing, through setting up the mounting groove, lubricating piece and cavity, when this device is used for a long time, if be in the starved condition in the course of the work, the rolling element can directly carry out the contact friction with the lubricating piece of the outer a plurality of graphite material of bearing inner race, can carry out the self-lubricate to this device through a large amount of graphite particles that produce, and the setting of cavity, in the structural strength of the maintenance piece of guaranteeing, can effectively reduce maintenance piece production consumptive material, thereby reduce this device manufacturing cost, can alleviate the whole quality of holder subassembly simultaneously, kinetic energy loss when reducing this device operation, guarantee this device operation smoothness nature.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the bearing outer ring of the present invention;

FIG. 3 is a schematic cross-sectional view of the bearing inner race of the present invention;

FIG. 4 is a schematic structural diagram of the rolling element explosion of the present invention;

FIG. 5 is a schematic view of the three-dimensional cross-sectional structure of the cavity of the present invention;

fig. 6 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;

in the figure: the bearing comprises an outer ring assembly 1, a bearing outer ring 101, a first reinforcing layer 102, an oil channel 103, an oil hole 104, an inner ring assembly 2, a bearing inner ring 201, a second reinforcing layer 202, a mounting groove 203, a lubricating block 204, a retainer assembly 3, a sealing plate 301, a retainer block 302, a notch 303, a bump 304, a spring 305, a threaded hole 306, a 307 accommodating groove, a connecting screw 308, a cavity 309, a rolling body 4 and a groove 5.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-6, the utility model provides a technical solution: the utility model provides a corrosion-resistant canned type cylindrical roller bearing, including outer lane subassembly 1, inner lane subassembly 2 has been cup jointed in outer lane subassembly 1, inner lane subassembly 2 has cup jointed holder subassembly 3 outward, sliding connection has a plurality of rolling element 4 in the holder subassembly 3, recess 5 has all been seted up to the both sides of rolling element 4, the setting of recess 5, make lug 304 can carry out spacingly to rolling element 4 through going into recess 5, can carry out automatic positioning to rolling element 4 position through the cooperation of recess 5 and lug 304, guarantee the mounted position accuracy of rolling element 4, holder subassembly 3 sliding connection is in a plurality of recess 5, outer lane subassembly 1 includes bearing inner race 101, the first enhancement layer 102 of the outer fixedly connected with of bearing inner race 101, rolling element 4 and first enhancement layer 102 overlap joint, inner lane subassembly 2 includes bearing inner race 201, the outer fixedly connected with second enhancement layer 202 of bearing inner lane 201, the setting of first enhancement layer 102 and second enhancement layer 202, the higher first enhancement layer 102 and the second enhancement layer 202 of intensity, can effectively reduce bearing inner lane 101 and bearing inner lane 201 and bearing 101's life, guarantee bearing inner lane 201 and bearing outer lane 101 and bearing, reinforcing layer 4 and second enhancement layer 202, rolling element 301 include the overlap joint, the holding the number of holding the holding two shrouding piece 301 that is located the fixed face that the shrouding piece is located on one side of holding piece 301, the fixed face that a plurality of holding is located.

Rolling element 4 sliding connection corresponds between two holding pieces 302, a plurality of mounting groove 203 has all been seted up to two shrouding 301's opposite face, sliding connection has lug 304 in the mounting groove 203, lug 304 sliding connection corresponds in corresponding recess 5, be provided with spring 305 in the mounting groove 203, the setting of spring 305, when this device uses, can carry on spacingly to lug 304 through the elasticity of spring 305, the guarantee corresponds two lugs 304 and to the spacing effect of rolling element 4, lug 304 can carry out the removal of certain limit through extrusion spring 305 simultaneously, avoid causing excessive extrusion to rolling element 4, guarantee rolling element 4 result of use, the one end fixed connection of spring 305 is at the inner wall that corresponds mounting groove 203, spring 305's other end fixed connection is outside corresponding lug 304, threaded hole 306 has all been seted up to the both sides that keep block 302, four grooves 307 of accomodating have been seted up to the side of shrouding 301, the setting of accomodating groove 307, can shelter from connecting screw 308 completely, the end of avoiding connecting screw 308 directly exposes outside, guarantee shrouding 301's surface smoothness, thereby promote this device usage aesthetic property, sliding connection has connecting screw 307, connect in the corresponding threaded hole 306.

Specifically, as shown in fig. 1 and fig. 3, cavity 309 has been seted up in holding piece 302, the contact surface that holds piece 302 and rolling element 4 sets up to circular-arcly, contact surface through with holding piece 302 and rolling element 4 sets up to circular-arcly, make the arc that holds piece 302 side can effectively adapt to the 4 surfaces of rolling element, the guarantee keeps the spacing effect of piece 302 to rolling element 4, avoid rolling element 4 can directly break away from and correspond between two holding pieces 302, bearing inner race 101 has opened oil duct 103 outward, a plurality of oil filler point 104 has been seted up to the lower surface of oil duct 103 inner wall, oil duct 103 and oil filler point 104's setting, be convenient for go on fast of this device lubricating oil filling work, a plurality of oil filler point 104 of evenly distributed can effectively promote the filling homogeneity of lubricating oil simultaneously, bearing inner race 201 has opened outward and is equipped with a plurality of mounting groove 203, fixedly connected with lubricating piece 204 in the mounting groove 203.

Specifically, as shown in fig. 2 and fig. 4, the lubricating block 204 is set up as the graphite lubricating block, the both sides of the inner wall of the bearing inner ring 201 are set up as the inclined form, the both sides through the inner wall of the bearing inner ring 201 are set up as the inclined form, it cup joints the whole quick accurate cooperation of this device outside external shaft class work piece to be convenient for, promote this device overall assembly convenience, the both ends of rolling element 4 all set up to circular-arc, edge through with the rolling element 4 both ends sets up to circular-arc, can avoid taking place the friction of scraping between 4 edges of rolling element and bearing inner ring 201 and the bearing inner ring 201, reduce the wearing rate of this device, one end that lug 304 card goes into in the recess 5 sets up to circular-arc, first enhancement layer 102 and second enhancement layer 202 all set up to anticorrosive enhancement layer, shrouding 301 sets up to the ring form, the ring diameter of shrouding 301 is less than the interval of bearing inner ring 201 and bearing outer ring 101, set up to slightly be less than the gap between bearing outer ring 101 and the bearing inner ring 201 through the ring 301, make shrouding 301 can avoid lubricating oil 201 to flow out in a large amount to bearing inner ring and bearing outer ring 101 effectively sheltering from in bearing inner ring, thereby effectively promote the leakproofness of this device both sides, avoid external impurity to get into also when getting into this device.

The utility model discloses a theory of operation does:

when the device is needed to be used, the device is firstly integrally assembled at the appointed use position, so that the device can be normally used, in the process of assembling the rolling element 4, the plurality of connecting screws 308 can be detached through the external bolts, at this time, the sealing plate 301 and the plurality of retaining blocks 302 on one side can be separated, at this time, the rolling element 4 can be directly placed between the two corresponding retaining blocks 302 by removing the side surface of the sealing plate 301, after the rolling element 4 is placed, the grooves 5 are contacted with the corresponding convex blocks 304, after the rolling bodies 4 are placed, namely, the removed sealing plate 301 can be reinstalled by the connecting screws 308, and the corresponding plurality of lugs 304 are clamped into the grooves 5 corresponding to the surfaces of the rolling bodies 4, after the sealing plate 301 is fixed, the assembly of the rolling bodies 4 can be completed, and meanwhile, when the single rolling body 4 needs to be dismantled and replaced, the disassembly and the assembly can be quickly completed through the closing plate 301 on one side, during the use of the device, the elastic force of the spring 305, via the matching of the corresponding projection 304 and the groove 5, the rolling body 4 can be limited, the rolling body 4 can be prevented from shaking greatly while the normal rotation is ensured, meanwhile, when rolling, the rolling body 4 can directly contact and rub with a plurality of lubricating blocks 204 on the surface of the bearing inner ring 201, namely, the device can be lubricated automatically, and when the rolling element 4 rolls, the first reinforcing layer 102 and the second reinforcing layer 202 respectively contact with the bearing outer ring 101 and the bearing inner ring 201, the first reinforcing layer 102 and the second reinforcing layer 202 with higher strength have good wear resistance and corrosion resistance, can effectively reduce the abrasion speed in the using process of the device and improve the whole corrosion resistance of the device.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A corrosion-resistant canned type cylindrical roller bearing, includes outer lane subassembly (1), its characterized in that: the inner ring assembly is characterized in that an inner ring assembly (2) is sleeved in the outer ring assembly (1), a retainer assembly (3) is sleeved outside the inner ring assembly (2), a plurality of rolling bodies (4) are connected in the retainer assembly (3) in a sliding mode, grooves (5) are formed in two sides of each rolling body (4), the retainer assembly (3) is connected in the grooves (5) in a sliding mode, the outer ring assembly (1) comprises a bearing outer ring (101), a first reinforcing layer (102) is fixedly connected to the outside of the bearing outer ring (101), the rolling bodies (4) are in lap joint with the first reinforcing layer (102), the inner ring assembly (2) comprises a bearing inner ring (201), a second reinforcing layer (202) is fixedly connected to the outside of the bearing inner ring (201), the rolling bodies (4) are in lap joint with the second reinforcing layer (202), the retainer assembly (3) comprises sealing plates (301), the number of the sealing plates (301) is two, a plurality of retaining blocks (302) are arranged on opposite surfaces of the two sealing plates (301), and the retaining blocks (302) are fixedly connected to the side surface of the sealing plate (301) on one side;

rolling element (4) sliding connection is between corresponding two holding pieces (302), and a plurality of mounting groove (203) have all been seted up to the opposite face of two shrouding (301), sliding connection has lug (304) in mounting groove (203), lug (304) sliding connection is in corresponding recess (5), be provided with spring (305) in mounting groove (203), the one end fixed connection of spring (305) is at the inner wall that corresponds mounting groove (203), the other end fixed connection of spring (305) is outside corresponding lug (304), threaded hole (306) have all been seted up to the both sides of holding piece (302), four grooves (307) of accomodating have been seted up to the side of shrouding (301), accomodate groove (307) sliding connection has connecting screw (308), the one end threaded connection of connecting screw (308) is in corresponding threaded hole (306).

2. The corrosion-resistant sealed-type cylindrical roller bearing according to claim 1, wherein: a cavity (309) is formed in the holding block (302), and the contact surface between the holding block (302) and the rolling body (4) is arc-shaped.

3. The corrosion-resistant sealed-type cylindrical roller bearing according to claim 1, wherein: an oil duct (103) is arranged outside the bearing outer ring (101), and a plurality of oil holes (104) are formed in the lower surface of the inner wall of the oil duct (103).

4. The corrosion-resistant sealed-type cylindrical roller bearing according to claim 1, wherein: a plurality of mounting grooves (203) are formed in the outer portion of the bearing inner ring (201), and lubricating blocks (204) are fixedly connected in the mounting grooves (203).

5. The corrosion-resistant sealed-type cylindrical roller bearing according to claim 4, wherein: the lubricating block (204) is a graphite lubricating block, and two sides of the inner wall of the bearing inner ring (201) are inclined.

6. The corrosion-resistant sealed-type cylindrical roller bearing according to claim 1, wherein: the two ends of the rolling body (4) are both arc-shaped, and one end of the lug (304) clamped in the groove (5) is arc-shaped.

7. The corrosion-resistant sealed-type cylindrical roller bearing according to claim 1, wherein: the first reinforcing layer (102) and the second reinforcing layer (202) are both arranged to be anticorrosion reinforcing layers, the sealing plate (301) is arranged to be circular, and the ring diameter of the sealing plate (301) is smaller than the distance between the bearing inner ring (201) and the bearing outer ring (101).