CN220354301U - Dense pond center post thrust bearing structure - Google Patents

Abstract

The utility model provides a central column thrust bearing structure of a thickening tank, and belongs to the technical field of thickening tanks. The dense pool center column thrust bearing structure comprises an upper bearing support, a lower bearing support and steel balls, wherein the steel balls are arranged between the upper bearing support and the lower bearing support, an arc-shaped groove matched with the steel balls is formed in one surface, in contact with the steel balls, of the upper bearing support and the lower bearing support, an oil guide mechanism communicated with the arc-shaped groove is arranged above the upper bearing support, and the oil guide mechanism is connected with an oil pool through a pipeline. According to the utility model, the oil guide mechanism is arranged on the bearing upper support, the oil pool electromagnetic valve is adopted to control the 220# gear oil to be automatically lubricated, and the lubricating oil flows to the oil guide inclined plane to enter the steel ball working face through the oil guide hole, so that the effective lubrication effect is ensured, and the abrasion of the support working face and the steel ball is reduced; the bearing steel ball retainer is omitted, and the problem that the whole bearing cannot normally operate due to the fact that the retainer is locally damaged is avoided; the thrust bearing of this application overhauls and changes the bearing simple and convenient, great reduction parking time has reduced economic loss.

Description

Dense pond center post thrust bearing structure

Technical Field

The utility model belongs to the technical field of dense ponds, and particularly relates to a dense pond center column thrust bearing structure.

Background

The existing 30-meter dense pool center column bearing is a rolling thrust bearing with a retainer, and bearing steel balls are arranged on the bearing The number of the bearing support is 180, the bearing support is ZG45, the steel ball retainer (ball frame) is A3 (shown in the figure three), after the bearing with the structure is used for many years, the steel balls are damaged and wound due to deformation of the steel ball retainer, most of the steel balls fall into the pool, so that serious equipment accidents of the dense pool occur, due to the structural defects, the bearing can be replaced and repaired only by completely dismantling large-sized components of the center column, crane channels are paved in the pool, and the crane enters the pool to disassemble the components for maintenance, so that the crane can be repaired normally only about 23 days, and serious equipment and production loss are caused to be nearly tens of millions of yuan.

The bearing steel ball retainer existing for the center column bearing is easy to damage and the bearing support is easy to wear; the lubrication effect and aging cannot be guaranteed by adding lubricating grease, the lubrication difference fault rate is high, the overhaul is complex, the overhaul time is long, the economic loss is large, and the like.

Disclosure of Invention

The utility model solves the technical problems of the thrust bearing in the prior art by providing a central column thrust bearing structure of a thickening tank.

In order to achieve the above object, the technical solution of the present utility model is:

the utility model provides a dense pool center post thrust bearing structure, includes support on the bearing, support under the bearing and steel ball, the steel ball sets up between support on the bearing and support under the bearing, the one side that support and support under the bearing contacted with the steel ball is equipped with the arc recess with the steel ball adaptation on the bearing, support top is equipped with the oil guide mechanism with arc recess intercommunication on the bearing, oil guide mechanism passes through the pipe connection with the oil pool.

Preferably, the oil guiding mechanism comprises an oil guiding groove, a communicating groove and an oil filling hole, wherein the oil guiding groove and the communicating groove are communicated with each other, and the oil filling hole extends downwards from the oil guiding groove to the arc-shaped groove.

Preferably, a solenoid valve is arranged on a pipeline for communicating the oil guide mechanism with the oil pool.

Preferably, the depth of the oil guide groove and the communicating groove is 5mm, and the width is 8mm.

Preferably, the bearing lower support is provided with oil holes corresponding to the bearing upper support.

Preferably, the bearing lower support and the bearing upper support are provided with oil guide inclined planes communicated with the oil filling holes, and the oil guide inclined planes extend to arc-shaped grooves contacted with the steel balls.

Preferably, the diameter of the steel balls is 50.8mm, and the number of the steel balls is 150.

The beneficial effects of the utility model are as follows:

according to the utility model, the oil guide mechanism is arranged on the bearing upper support, and the oil tank electromagnetic valve is adopted to control the automatic lubrication of 220# gear oil, so that the effective lubrication effect is ensured, and the abrasion is reduced; the bearing steel ball retainer is omitted, and the problem that the whole bearing cannot normally operate due to the fact that the retainer is locally damaged is avoided; the thrust bearing of this application overhauls and changes the bearing simple and convenient, great reduction parking time has reduced economic loss.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the thrust bearing structure of the present utility model.

Fig. 3 is a schematic diagram of a prior art thrust bearing configuration.

In the figure: 1. a bearing upper support; 2. a bearing lower supporter; 3. steel balls; 4. an oil pool; 5. an electromagnetic valve; 6. an oil guiding groove; 7. a communication groove; 8. an oil filling hole; 9. a steel ball retainer; 10. an oil guiding inclined plane.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Referring to fig. 1 to 2, a thrust bearing structure of a center column of a dense pool comprises an upper bearing support 1, a lower bearing support 2 and steel balls 3 which are arranged on a center column of the dense pool of 30 meters, wherein the steel balls 3 are arranged between the upper bearing support 1 and the lower bearing support 2, arc-shaped grooves matched with the steel balls 3 are formed in one surfaces, in contact with the steel balls 3, of the upper bearing support 1 and the lower bearing support 2, an oil guide mechanism communicated with the arc-shaped grooves is arranged above the upper bearing support 1, and the oil guide mechanism is connected with an oil pool 4 through pipelines. The bearing upper support 1 is provided with the oil guide mechanism, a pipeline communicated with the oil pool 4 is provided with the electromagnetic valve 5, and 220# gear oil is automatically controlled and added through the electromagnetic valve 5, so that automatic lubrication is realized.

Further, the oil guiding mechanism comprises an oil guiding groove 6, a communicating groove 7 and an oil filling hole 8, wherein the oil guiding groove 6 and the communicating groove 7 are communicated with each other, and the oil filling hole 8 extends downwards from the oil guiding groove 6 to the arc-shaped groove. The depth of the oil guide groove 6 and the communicating groove 7 is 5mm, and the width is 8mm. In particular to a back surface turning of a thrust bearing upper support 1And->The oil guiding grooves 6 with the depth of 5mm and the width of 8mm are drilled at an angle of 45 degrees, the oil guiding grooves with the depth of 5mm and the width of 8mm are drilled, 16 evenly distributed M8mm oil filling holes 8 are drilled, and after the oil sump 4 is filled with oil, lubricating oil can enter the working face of the steel ball 3 to be lubricated and maintained through the oil guiding grooves 6, the oil guiding grooves and the oil filling holes 8 and evenly distributed, so that the purpose of prolonging the service life of the bearing is achieved.

Further, the bearing lower support 2 is provided with oil holes 8 corresponding to the bearing upper support 1. The bearing lower support and the bearing upper support are provided with an oil guiding inclined plane 10 communicated with the oil filling hole 8, and the oil guiding inclined plane 10 extends to an arc-shaped groove contacted with the steel ball. The lubricating oil flows to the oil guide inclined plane to enter the steel ball working face through the oil guide hole, so that an effective lubricating effect is ensured, and the abrasion of the working face of the support and the steel balls is reduced.

Further, the diameter of the steel balls 3 is 50.8mm, and the number of the steel balls is 150. Diameter of steel ball in prior art180 steel balls in number, in this application diameter +.>The number of the steel balls is 150, although the number is reduced, the contact area is greatly increased after the diameter of the steel balls is increased, and the service lives of the steel balls and the supporters are prolonged. Compared with the prior art, the design of the original bearing steel ball retainer is canceled, the retainer structure is removed, and after improvement, if individual steel balls are in a problem, the integral safe operation of the bearing is not affected, the maintenance is simple, and large disassembly is not needed. And (3) after the dense pool is emptied during maintenance, the jack is used for supporting the rotary support to replace steel balls, and the maintenance time is not more than 2 hours. The bearing support is made of ZG50MnMo, the Brinell hardness of the support is HB=201-230, the quenching hardness HRC of the steel ball track surface of the support is 50-56, the wear resistance of the track surface of the bearing support is greatly improved, bearing faults such as abnormal wear are not easy to occur in a plurality of years of use, and the bearing support can be expected to be normally used for about 50 years.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a dense pool center post thrust bearing structure, its characterized in that includes bearing upper support ware, bearing lower support ware and steel ball, the steel ball sets up between bearing upper support ware and bearing lower support ware, and the one side that bearing upper support ware and bearing lower support ware contacted with the steel ball is equipped with the arc recess with the steel ball adaptation, bearing upper support ware top is equipped with the oil guide mechanism with arc recess intercommunication, oil guide mechanism passes through the pipe connection with the oil pool.

2. The thickener center post thrust bearing structure of claim 1 wherein said oil guide mechanism includes an oil guide groove, a communication groove, and an oil filler hole, said oil guide groove and communication groove communicating with each other, said oil filler hole extending downwardly from said oil guide groove to said arcuate groove.

3. The thickener center post thrust bearing structure of claim 2, wherein the oil guide mechanism is provided with an electromagnetic valve on a pipeline communicated with the oil sump.

4. The thickener center post thrust bearing structure of claim 2 wherein said oil guide grooves and communication grooves have a depth of 5mm and a width of 8mm.

5. The thrust bearing structure of a center post of a thickener according to any one of claims 2 to 4, wherein the bearing lower support is provided with oil holes corresponding to the bearing upper support.

6. The thrust bearing structure of a center column of a thickener according to claim 1, wherein the bearing lower support and the bearing upper support are provided with oil guiding inclined planes communicated with the oil filling holes, and the oil guiding inclined planes extend to arc grooves contacted with the steel balls.

7. The thickener center post thrust bearing structure of claim 1 wherein said steel balls have a diameter of 50.8mm and a number of 150 balls.