CN113236662A

CN113236662A - Bearing with stronger anti-corrosion wear durability

Info

Publication number: CN113236662A
Application number: CN202110666348.4A
Authority: CN
Inventors: 马儒海
Original assignee: Xinchang Huangda Machinery Co ltd
Current assignee: Xinchang Huangda Machinery Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-08-10

Abstract

The invention relates to the technical field of bearings, in particular to a bearing with stronger anti-corrosion wear durability, which comprises a bearing inner ring, a bearing outer ring and a roller retainer, wherein the bearing inner ring is clamped in an inner cavity of the bearing outer ring, the corresponding surfaces of the bearing outer ring and the bearing inner ring form an annular raceway, the roller retainer is assembled in the raceway, the roller retainer comprises an upper annular seat, a lower annular seat and a plurality of groups of stand columns, the plurality of groups of stand columns are distributed in an annular array and fixedly arranged on the upper end surface of the lower annular seat, each stand column is sleeved with a group of cylindrical rollers, the upper annular seat is arranged at the upper ends of the cylindrical rollers and is fixed on the plurality of groups of stand columns through clamping components, a positioning rod is arranged between every two adjacent groups of stand columns, the positioning rod is fixedly arranged on the lower annular seat, and a lubricating cotton roller is fixedly sleeved on the positioning rod. The invention not only avoids the overflow loss or volatilization of the internal lubricating oil, but also effectively blocks the external dust, thereby enhancing the running performance of the bearing.

Description

Bearing with stronger anti-corrosion wear durability

Technical Field

The invention relates to the technical field of bearings, in particular to a bearing with stronger corrosion, abrasion and durability.

Background

A rolling bearing is a precise mechanical element that changes sliding friction between a running shaft and a bearing housing into rolling friction, thereby reducing friction loss. The rolling bearing generally comprises an inner ring, an outer ring, a rolling body and a retainer, wherein the retainer plays a role in uniformly isolating the rolling body and guiding the rolling body to move.

The cylindrical roller bearing is a centripetal rolling bearing with a long cylindrical roller as a rolling body, the cylindrical roller is in line contact with the raceway, the radial load capacity is high, and the cylindrical roller bearing is suitable for bearing heavy load and impact load and is also suitable for high-speed rotation.

However, the existing cylindrical roller bearing is generally of an open structure, the sealing performance is insufficient, when the bearing is in operation and use, internal lubricating oil overflows and runs off or volatilizes seriously, and external dust is adhered to the bearing, so that the running performance of the bearing is reduced, the oiling maintenance work is frequent, the production operation efficiency is affected, and the service life of the bearing is also shortened.

In view of this, we propose a bearing with greater durability against corrosive wear.

Disclosure of Invention

The present invention is directed to a bearing having improved durability against corrosive wear, and to solve the problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bearing that anti-corrosion wear durability is stronger, including bearing inner race, bearing inner race and roller holder, the bearing inner race card is established in the inner chamber of bearing inner race, the bearing inner race forms the annular raceway with the face that corresponds of bearing inner race, the roller holder assembles in the raceway, the roller holder includes annular seat, lower annular seat and a plurality of groups stand, a plurality of groups stand is annular array distribution and fixed setting annular seat up end under, a set of cylindrical roller has all been cup jointed on every stand, it sets up on cylindrical roller's upper end and is fixed in a plurality of groups stand through the joint subassembly to go up the annular seat, all be equipped with a locating lever between adjacent two sets of stands, the locating lever is fixed to be set up under on the annular seat, and fixed cover is equipped with lubricated cotton roller on the locating lever.

Preferably, the terminal surface sets up the cylindricality chamber that holds the stand under going up the annular seat, rectangular groove has all been seted up to the both sides in cylindricality chamber, be equipped with the joint subassembly in the rectangular groove, the joint subassembly includes the fixture block, the movable block, magnetic sheet A and magnetic sheet B, magnetic sheet A is fixed to be set up on rectangular groove's inner wall, the fixed magnetic sheet B that sets up of movable block one end, movable block other end fixed connection fixture block, magnetic sheet A and magnetic sheet B are the relative setting of like magnetic pole, stand top both sides all begin to have the constant head tank that holds the fixture block, and the fixture block is circular-arcly near the one end lower extreme setting of constant head tank.

Preferably, the top that the last annular seat is located the cylindrical cavity is equipped with the fluting, and slidable mounting has the baffle in the fluting, baffle fixed connection spring, and the both ends of spring all are equipped with a set of depression bar, and the inclined plane chamber has been seted up to the up end of movable block, depression bar one end fixed connection baffle, the depression bar other end stretch into the inclined plane chamber and conflict rather than sliding.

Preferably, the up end of bearing inner race is provided with first boss to the evagination, and terminal surface contradicts in the up end of last annular seat under the first boss, and the flexible sealing washer is equipped with to the fixed cover of lateral wall of first boss, and the cooperation groove that holds first boss is seted up to the up end of bearing outer lane, and second slot and first slot have been seted up by interior and outer in proper order to the lower terminal surface of bearing outer lane, and the fixed first isolating ring that is provided with the joint in first slot in bottom of lower annular seat, the fixed second isolating ring that is provided with the joint in the second slot of terminal surface under the bearing inner race.

Preferably, the end of the upper annular seat and the end of the lower annular seat close to the cylindrical roller are both fixedly provided with a group of annular supports, the two groups of annular supports are sequentially attached to the upper end face and the lower end face of the cylindrical roller, and the annular supports are sleeved on the outer side of the upright column.

Compared with the prior art, the invention has the beneficial effects that:

1. the vertical column and the upper annular seat are quickly limited and fixed, and the assembly efficiency is improved to a certain extent; and through pressing the baffle for baffle extrusion spring and drive the depression bar and stretch into the bevel chamber, the repulsion that the movable block atress and overcome the magnetic pole of the same name this moment drives the fixture block and takes out from the constant head tank, thereby be convenient for with annular seat and stand quickly separating, thereby be convenient for change cylindrical roller alone, use cost is low.

2. The invention has the advantages that the elastic sealing ring is utilized to enable the connection between the first boss and the bearing outer ring to be more compact, and the upper end surface of the annular roller path can be effectively sealed; and utilize second isolating ring and second slot cooperation to use, can effectively seal the lower terminal surface of ring type raceway to make ring type raceway department in a comparatively confined space, not only avoided inside lubricating oil to spill over and run off or volatilize, effectively blockked external dust moreover, thereby strengthened bearing operating performance, reduce the frequency of refueling the maintenance work, improve production operating efficiency, effectively prolonged the life of bearing.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is an exploded view of a roller cage of the present construction;

FIG. 3 is a front view of the structure of the present invention;

fig. 4 is an enlarged schematic view of the area a in fig. 3.

In the figure: the bearing comprises a bearing inner ring 1, a bearing outer ring 2, a roller retainer 3, an upper annular seat 4, a lower annular seat 5, a cylindrical roller 6, a lubricating cotton roller 7, a stand column 8, a positioning rod 9, an annular support 10, a first isolating ring 11, an elastic sealing ring 12, a second isolating ring 13, a first slot 14, a second slot 15, a matching slot 16, a positioning slot 17, a clamping block 18, a moving block 19, a magnetic plate A20, a magnetic plate B21, a pressure rod 22, a baffle 23 and a spring 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a stronger bearing of anti-corrosion wear durability, including bearing inner race 1, bearing inner race 2 and roller holder 3, 1 card of bearing inner race is established in the inner chamber of bearing inner race 2, bearing inner race 2 forms annular raceway with the corresponding face of bearing inner race 1, roller holder 3 assembles in the raceway, roller holder 3 includes annular seat 4 down, annular seat 5 and a plurality of group stand 8 down, a plurality of groups stand 8 are annular array distribution and fixed setting annular seat 5 up end down, a set of cylindrical roller 6 has all been cup jointed on every stand 8, go up annular seat 4 and set up in cylindrical roller 6's upper end and be fixed in on a plurality of groups stand 8 through the joint subassembly, all be equipped with a locating lever 9 between adjacent two sets of stand 8, locating lever 9 is fixed to be set up under on annular seat 5, and fixed cover is equipped with lubricated cotton roller 7 on locating lever 9. The inside adsorption of lubricated cotton roller 7 has lubricating oil, sets up like this and plays the effect of pinning lubricated fluid for a long time to can prevent effectively that fluid from taking place to spill over at the in-process of bearing operation and run off or volatilize.

As shown in fig. 3 and 4, the terminal surface sets up the cylindricality chamber that holds stand 8 under going up annular seat 4, rectangular groove has all been seted up to the both sides in cylindricality chamber, be equipped with the joint subassembly in the rectangular groove, the joint subassembly includes fixture block 18, movable block 19, magnetic sheet a 20 and magnetic sheet B21, magnetic sheet a 20 is fixed to be set up on the inner wall of rectangular groove, 19 one end of movable block is fixed to be set up magnetic sheet B21, 19 other end fixed connection fixture block 18 of movable block, magnetic sheet a 20 and magnetic sheet B21 are the relative setting of like magnetic pole, 8 top both sides of stand all begin to have the constant head tank 17 that holds fixture block 18, and the terminal surface setting is circular-arcly under the one end that fixture block 18 is close to constant head tank 17. Repulsion between the magnetic plates A20 and B21 with the same name is utilized to act on the moving block 19, so that the moving block 19 is stressed and drives the fixture block 18 to be inserted into the positioning groove 17, the stand column 8 and the upper annular seat 4 are rapidly limited and fixed, and the assembly efficiency is improved to a certain extent.

As shown in fig. 4, the upper annular seat 4 is provided with a groove above the cylindrical cavity, a baffle 23 is slidably mounted in the groove, the baffle 23 is fixedly connected with a spring 24, a set of pressure rods 22 are respectively arranged at two ends of the spring 24, the upper end surface of the moving block 19 is provided with a slope cavity, one end of each pressure rod 22 is fixedly connected with the baffle 23, and the other end of each pressure rod 22 extends into the slope cavity and is in sliding contact with the slope cavity. Through pressing down baffle 23 for baffle 23 extrusion spring 24 and drive depression bar 22 stretch into the bevel chamber, and the movable block 19 atress and the repulsion of overcoming the same name magnetic pole at this moment drive fixture block 18 and take out from constant head tank 17, thereby be convenient for with last annular seat 4 and stand 8 quickly separating, thereby be convenient for change cylindrical roller 6 alone, use cost is low.

As shown in fig. 2 and 4, one end of each of the upper annular seat 4 and the lower annular seat 5 close to the cylindrical roller 6 is fixedly provided with a group of annular supports 10, the two groups of annular supports 10 are sequentially attached to the upper end surface and the lower end surface of the cylindrical roller 6, and the annular supports 10 are sleeved on the outer side of the upright post 8. Through setting up the ring type and holding in the palm 10, can avoid cylindrical roller 6 and last annular seat 4 and lower annular seat 5 direct contact, reduce cylindrical roller 6's radial frictional force to effectively strengthen cylindrical roller's durability.

As shown in fig. 1 and 3, a first boss is protruded outwards from the upper end surface of the bearing inner ring 1, the lower end surface of the first boss abuts against the upper end surface of the upper annular seat 4, an elastic sealing ring 12 is fixedly sleeved on the outer side wall of the first boss, and the elastic sealing ring 12 is utilized to enable the first boss and the bearing outer ring 2 to be connected more tightly, so that the upper end surface of the annular raceway can be effectively sealed; the upper end surface of the bearing outer ring 2 is provided with a matching groove 16 for accommodating a first boss, the lower end surface of the bearing outer ring 2 is sequentially provided with a second slot 15 and a first slot 14 from inside to outside, the bottom of the lower annular seat 5 is fixedly provided with a first isolating ring 11 clamped in the first slot 14, and the roller retainer 3 can be transversely limited by using the first slot 14 and the first isolating ring 11 in a matching way; the lower end face of the bearing inner ring 1 is fixedly provided with a second isolating ring 13 clamped in the second slot 15. Utilize second spacer ring 13 and second slot 15 cooperation to use, can effectively seal the lower terminal surface of ring type raceway to make ring type raceway department in a comparatively confined space, not only avoided inside lubricating oil to spill over and run off or volatilize, effectively blockked external dust moreover, thereby strengthened bearing operating performance, reduce and refuel the frequency of maintaining work, improve production operating efficiency, effectively prolonged the life of bearing.

The working principle is as follows: in actual use, at first assemble cylindrical roller 6 on stand 8 in proper order, then will go up annular seat 4 and insert at the up end of stand 8, this in-process utilizes the repulsion between magnetic sheet A20 and the magnetic sheet B21 of same name to act on movable block 19 for movable block 19 atress and drive fixture block 18 insert and establish in constant head tank 17, thereby carry out quick spacing fixed with stand 8 and last annular seat 4, improved assembly efficiency to a certain extent. Then the assembled roller retainer 3 is integrally assembled in the inner cavity of the bearing outer ring 2, and the bearing inner ring 1 is preferably inserted in the inner cavity of the roller retainer 3. The invention has the advantages that the elastic sealing ring 12 is utilized to ensure that the first boss is more tightly connected with the bearing outer ring 2, and the upper end surface of the annular roller path can be effectively sealed; and utilize second isolating ring 13 and second slot 15 cooperation to use, can effectively seal the lower terminal surface of ring type raceway to make ring type raceway department in a comparatively confined space, not only avoided inside lubricating oil to spill over and run off or volatilize, effectively blockked external dust moreover, thereby strengthened bearing operating performance, reduce the frequency of refueling maintenance work, improve production operating efficiency, effectively prolonged the life of bearing.

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 bearing that anti-corrosion wear durability is stronger, includes bearing inner race (1), bearing outer lane (2) and roller holder (3), its characterized in that: the bearing inner ring (1) is clamped in an inner cavity of the bearing outer ring (2), the bearing outer ring (2) and the corresponding surface of the bearing inner ring (1) form an annular raceway, the roller retainer (3) is assembled in the raceway, the roller retainer (3) comprises an upper annular seat (4), annular seat (5) and a plurality of group stand (8) down, a plurality of group stand (8) are annular array and distribute and fixed the setting annular seat (5) up end under, a set of cylindrical roller (6) have all been cup jointed on every stand (8), go up annular seat (4) and set up on the upper end of cylindrical roller (6) and be fixed in a plurality of group stand (8) through the joint subassembly, all be equipped with a locating lever (9) between adjacent two sets of stand (8), locating lever (9) are fixed to be set up under on annular seat (5), and fixed cover is equipped with lubricated cotton roller (7) on locating lever (9).

2. A corrosion wear resistant more durable bearing according to claim 1 wherein: go up the terminal surface and offer the cylindricality chamber that holds stand (8) under annular seat (4), rectangular groove has all been seted up to the both sides in cylindricality chamber, be equipped with the joint subassembly in the rectangular groove, the joint subassembly includes fixture block (18), movable block (19), magnetic sheet A (20) and magnetic sheet B (21), magnetic sheet A (20) are fixed to be set up on rectangular groove's inner wall, movable block (19) one end is fixed to be set up magnetic sheet B (21), movable block (19) other end fixed connection fixture block (18), magnetic sheet A (20) and magnetic sheet B (21) set up for the same name magnetic pole relatively, stand (8) top both sides all begin to have constant head tank (17) that hold fixture block (18), and fixture block (18) are close to under the one end of constant head tank (17) terminal surface setting and are circular-arcly.

3. A corrosion wear resistant more durable bearing according to claim 2 wherein: go up annular seat (4) and be located the top in cylindrical cavity and be equipped with the fluting, slidable mounting has baffle (23) in the fluting, baffle (23) fixed connection spring (24), and the both ends of spring (24) all are equipped with a set of depression bar (22), and the inclined plane chamber has been seted up to the up end of movable block (19), depression bar (22) one end fixed connection baffle (23), and depression bar (22) other end stretches into the inclined plane chamber and contradicts rather than sliding.

4. A corrosion wear resistant more durable bearing according to claim 3 wherein: the upper end face of bearing inner race (1) is provided with first boss to the evagination, the terminal surface contradicts in the up end of last annular seat (4) under the first boss, elastic sealing ring (12) are equipped with to the lateral wall fixed cover of first boss, cooperation groove (16) that hold first boss are seted up to the up end of bearing outer race (2), second slot (15) and first slot (14) have been seted up by interior and outer in proper order to the lower terminal surface of bearing outer race (2), the fixed first isolating ring (11) that are provided with the joint in first slot (14) in bottom of lower annular seat (5), the fixed second isolating ring (13) that are provided with the joint in second slot (15) of terminal surface under bearing inner race (1).

5. A corrosion wear resistant more durable bearing according to claim 4 wherein: go up annular seat (4) and lower annular seat (5) and all fixedly be provided with a set of ring type and hold in the palm (10) near the one end of cylindrical roller (6), two sets of ring types hold in the palm (10) and laminate in proper order at the up end and the terminal surface down of cylindrical roller (6), and the ring type holds in the palm (10) and cup joints the outside at stand (8).