CN215171520U - Special bearing for mining machinery - Google Patents

Abstract

The utility model particularly relates to a special bearing for mining machinery, which comprises a bearing outer ring, a bearing inner ring and bearing balls, wherein a first ball groove is arranged on the middle circumference of the inner side surface of the bearing outer ring, first anti-collision buffer grooves are symmetrically arranged on two sides of the first ball groove, second anti-collision buffer grooves are symmetrically arranged on two sides of the outer surface of the bearing inner ring, and one end of a supporting spring part is fixedly connected with an anti-collision circular ring part, the anti-collision function of the bearing can be greatly improved.

Description

Special bearing for mining machinery

Technical Field

The utility model belongs to the technical field of the bearing, concretely relates to mining machinery special bearing.

Background

The mining machine is a machine directly used for mineral mining, enrichment and other operations; including mining and beneficiation machinery; the working principle and structure of the prospecting machine are mostly the same as or similar to those of mining machines used for mining similar minerals, and the prospecting machine also belongs to mining machines in a broad sense; in addition, still use a large amount of cranes, conveyer, ventilation blower and drainage machine etc. in the mine operation, wherein the bearing is the essential component part of mining machinery, in prior art, the bearing still has the defect that remains to be overcome in a lot of techniques, for example, the crashworthiness of bearing, current bearing reaches the purpose of preventing axial external force striking through the mode of thickening the bearing lid for the crashworthiness of reinforcing bearing, but the effect is not obvious, and current bearing is at the in-process of long-time use, self does not have lubricating function, so wear resistance is relatively poor, and can not satisfy actual needs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining machinery special bearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bearing special for mining machinery comprises a bearing outer ring, a bearing inner ring and bearing balls, wherein a first ball groove is formed in the middle of the inner side surface of the bearing outer ring, first anti-collision buffer grooves are symmetrically formed in two sides of the first ball groove, a first anti-collision elastic part is arranged on one side inside the first anti-collision buffer groove, a first arc groove is formed in the bottom side of the first anti-collision buffer groove, a second ball groove is formed in the middle of the surface of the bearing inner ring, second anti-collision buffer grooves are symmetrically formed in two sides of the outer surface of the bearing inner ring, a second anti-collision elastic part is arranged on one side inside the second anti-collision buffer groove, a second arc groove is formed in the bottom end inside the second anti-collision buffer groove, a ball retainer is sleeved in the middle of the outer surface of the bearing balls, fixed blocks are arranged on two sides of the ball retainer, and a mounting groove is formed in one end surface of each fixed block, the mounting groove is internally and fixedly connected with a supporting spring part, one end of the supporting spring part is fixedly connected with an anti-collision circular ring part, and the bearing inner ring is movably arranged on the inner side of the bearing outer ring.

As the further optimization of the technical scheme, a plurality of ball moving cavities are formed between the bearing outer ring and the bearing inner ring, so that the effect of the bearing ball moving and rotating is realized, the bearing balls are uniformly arranged between the first ball groove and the second ball groove, the effect of uniform stress of the bearing outer ring and the bearing inner ring during rotation can be realized, and each ball retainer is movably arranged on each bearing ball, so that the bearing balls can keep the effect of circumferential rotation.

As a further optimization of the technical scheme, two ends of the anti-collision circular ring piece are movably arranged at the inner sides of the first anti-collision buffer groove and the second anti-collision buffer groove respectively, so that the anti-collision buffer protection effect is achieved, dust can be prevented from entering the anti-collision circular ring piece, and the end faces of two sides of the anti-collision circular ring piece are movably arranged at the inner sides of the first arc groove and the second arc groove respectively, so that the protection effect on bearing balls and a ball retainer inside the bearing is achieved.

As further optimization of the technical scheme, one ends of the first anti-collision elastic piece and the second anti-collision elastic piece are respectively in buffering and laminating arrangement with one side face of the anti-collision circular ring piece, so that the reduction of the external anti-collision force can be relieved, and the problem of use influenced by damage in the bearing is avoided.

As a further optimization of the technical scheme, oil injection holes are uniformly formed in the surface of the anti-collision circular ring piece, so that the inner side of the bearing is conveniently subjected to oil injection lubrication, two groups of anti-collision circular ring pieces are arranged, and the two groups of anti-collision circular ring pieces are movably arranged on the inner sides of the left end and the right end of the outer ring and the inner ring of the bearing, so that the anti-collision performance of the bearing during rotation is further improved.

The utility model discloses a technological effect and advantage: this mining machinery special bearing, in operation, the ball that forms between bearing inner race through setting up moves the chamber and uses with the cooperation of oil filler point, can use the needle tubing to pass through the inside that the oil filler point pours into ball activity chamber into lubricating oil into, at the in-process of bearing motion, the rotation that the lubricating oil of ball activity intracavity portion passes through the bearing ball makes lubricating oil be taken to on the lateral wall of bearing inner race and bearing outer race, plays the effect of self-lubricating to increase the wear resistance of bearing.

Through first anticollision dashpot and the second anticollision dashpot that sets up in bearing inner race and the bearing inner race, and the elasticity setting of anticollision ring spare in first anticollision dashpot and the second anticollision dashpot, can prevent the entering of partly dust, and avoid the entering of dust to reduce the lubricated pivoted efficiency problem of bearing ball, then use through the cooperation between anticollision ring spare and first anticollision elastic component, second anticollision elastic component and the support spring part, can improve the crashproof function of bearing greatly.

And through the setting of first anticollision elastic component and second anticollision elastic component, support spring part, can make the bearing reduce the dynamics that slows down the striking when suffering from the impact, can guarantee the bearing normal rotation function when being struck simultaneously to increased the life of bearing, avoided the bearing because of the time-consuming and energy-consuming replacement cost that the striking leads to, just the utility model discloses can wide application in occasions such as agricultural machinery, mining equipment, transfer chain, range of application is wider.

Drawings

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

fig. 2 is a schematic structural view of the anti-collision ring part in front view;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 5 is an enlarged schematic structural diagram of the point C in fig. 1 according to the present invention.

In the figure: 1. a bearing outer race; 2. a bearing inner race; 3. a first ball groove; 4. a second ball groove; 5. a first anti-collision buffer slot; 6. a first arc groove; 7. a first anti-collision elastic piece; 8. a second anti-collision buffer slot; 9. a second arc groove; 10. a second anti-collision elastic piece; 11. an anti-collision circular ring piece; 12. an oil filler hole; 13. a bearing ball; 14. a ball retainer; 15. a fixed block; 16. mounting grooves; 17. supporting the spring element.

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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a mining machinery special bearing, including bearing inner race 1, bearing inner race 2, bearing ball 13, form between bearing inner race 1 and the bearing inner race 2 and establish to ball activity chamber, the activity rotation effect of bearing ball 13 of being convenient for, bearing ball 13 evenly is equipped with a plurality ofly between first ball groove 3 and second ball groove 4, can make 1 at the uniform velocity circumferential rotation of bearing inner race, and all move about on every bearing ball 13 and be equipped with ball holder 14, the ball holder 14 of setting, can make 1 realization circumferential rotation of bearing inner race, the medial surface middle part circumference of bearing inner race 1 is equipped with first ball groove 3, be convenient for to the effect of bearing ball 13 top rotational positioning, the bilateral symmetry of first ball groove 3 is equipped with first anticollision buffer slot 5, can make 11 effects of accomplishing the elastic buffer protection of anticollision ring spare.

Inside one side of first anticollision buffer slot 5 is equipped with first anticollision elastic component 7, play the effect of accomplishing the anticollision buffering to 11 one sides upper ends of anticollision ring spare, the bottom side of first anticollision buffer slot 5 is equipped with first circular arc groove 6, the surperficial middle part circumference of bearing inner circle 2 is equipped with second ball groove 4, the bottom movable positioning setting of bearing ball 13 of being convenient for, the surface bilateral symmetry of bearing inner circle 2 is equipped with second anticollision buffer slot 8, can make the even anticollision buffering's of one side bottom of anticollision ring spare 11 effect, the both ends of anticollision ring spare 11 are the activity respectively and are set up at first anticollision buffer slot 5 and second anticollision buffer slot 8 inboardly, can carry out the effect of anticollision buffering to bearing inner circle 2 both sides face 1 and bearing inner circle.

A second anti-collision elastic piece 10 is arranged on one side inside the second anti-collision buffer groove 8 to play a role in anti-collision buffer protection of the bottom end of one side of the anti-collision circular ring piece 11, one ends of the first anti-collision elastic piece 7 and the second anti-collision elastic piece 10 are respectively arranged on one side surface of the anti-collision circular ring piece 11 in a buffer and laminating manner, so that the anti-collision buffer effect of the bearing can be improved, a second circular arc groove 9 is arranged at the bottom end of the inner side of the second anti-collision buffer groove 8, so that the bearing outer ring 1 and the bearing inner ring 2 can work and rotate without being influenced by the anti-collision circular ring piece 11, the end surfaces of the two sides of the anti-collision circular ring piece 11 are respectively and movably arranged on the inner sides of the first circular arc groove 6 and the second circular arc groove 9, the anti-collision circular ring piece 11 can avoid the situation that the bearing cannot rotate smoothly due to the entry of dust inside the bearing, a ball retainer 14 is sleeved on the middle part of the outer surface of the bearing ball 13, so that the bearing can keep the effect of balanced circumferential rotation,

each bearing ball 13 is movably provided with a ball retainer 14 which plays a role of directional circumferential rotation of the bearing ball 13, two sides of the ball retainer 14 are provided with fixing blocks 15, one end face of each fixing block 15 is provided with a mounting groove 16 which is convenient for connecting and fixing one end of each supporting spring piece 17, the inside of each mounting groove 16 is fixedly connected with each supporting spring piece 17, the arrangement of each supporting spring piece 17 plays a role of buffering and supporting the anti-collision circular ring piece 11, one end of each supporting spring piece 17 is fixedly connected with the anti-collision circular ring piece 11 which can reduce the damage of the impact force to the bearing, the surface of each anti-collision circular ring piece 11 is uniformly provided with two groups of oil injection holes 12 which are convenient for injecting lubrication into the bearing, the abrasion degree of the bearing can be reduced, the service life of the bearing is prolonged, the bearing inner ring 2 is movably arranged on the inner side of the bearing outer ring 1, the anti-collision circular ring pieces 11 are arranged in two groups, and the anti-collision circular ring pieces 11 are movably arranged on the inner sides of the left end and the right end of the bearing outer ring 1 and the bearing inner ring 2, the anti-collision ring piece 11 can simultaneously perform anti-collision protection on two surfaces of the bearing.

Specifically, during the use, the cooperation that forms the ball activity chamber that sets up and oil filler point 12 between bearing outer lane 1 and the bearing inner race 2 through setting up uses in the work, can use the needle tubing to pass through the inside that oil filler point 12 pours into the ball activity chamber into lubricating oil, and at the in-process of bearing motion, the inside lubricating oil of ball activity chamber passes through bearing ball 13's rotation, makes lubricating oil be taken to on the lateral wall of bearing outer lane 1 and bearing inner race, plays the effect of self-lubricating to increase the wear resistance of bearing.

Through first anticollision buffer slot 5 and the second anticollision buffer slot 8 that set up in bearing inner race 1 and the bearing inner race 2, and the elasticity setting of anticollision ring spare 11 in first anticollision buffer slot 5 and the second anticollision buffer slot 8, can prevent the entering of partly dust, and avoid the entering of dust to reduce the lubricated pivoted efficiency problem of bearing ball 13, then through anticollision ring spare 11 and first anticollision elastic component 7, under the cooperation between second anticollision elastic component 10 and the support spring part 17 was used, the anticollision function of bearing can be improved greatly.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. The utility model provides a mining machinery special bearing, includes bearing inner race (2), bearing ball (13), its characterized in that: the middle circumference of the inner side surface of the bearing outer ring (1) is provided with a first ball groove (3), two sides of the first ball groove (3) are symmetrically provided with a first anti-collision buffer groove (5), one side of the inner part of the first anti-collision buffer groove (5) is provided with a first anti-collision elastic part (7), the bottom side of the first anti-collision buffer groove (5) is provided with a first arc groove (6), the middle circumference of the surface of the bearing inner ring (2) is provided with a second ball groove (4), two sides of the outer surface of the bearing inner ring (2) are symmetrically provided with a second anti-collision buffer groove (8), one side of the inner part of the second anti-collision buffer groove (8) is provided with a second anti-collision elastic part (10), the bottom end of the inner side of the second anti-collision buffer groove (8) is provided with a second arc groove (9), the middle part of the outer surface of the bearing ball (13) is sleeved with a ball retainer (14), two sides of the ball retainer (14) are provided with fixed blocks (15), a mounting groove (16) is formed in one end face of the fixing block (15), a supporting spring piece (17) is fixedly connected to the inside of the mounting groove (16), an anti-collision circular ring piece (11) is fixedly connected to one end of the supporting spring piece (17), and the bearing inner ring (2) is movably arranged on the inner side of the bearing outer ring (1).

2. The special bearing for mining machinery of claim 1, wherein: a ball moving cavity is formed between the bearing outer ring (1) and the bearing inner ring (2), a plurality of bearing balls (13) are uniformly arranged between the first ball groove (3) and the second ball groove (4), and each bearing ball (13) is movably provided with a ball retainer (14).

3. The special bearing for mining machinery of claim 1, wherein: two ends of the anti-collision circular ring piece (11) are movably arranged on the inner sides of the first anti-collision buffer groove (5) and the second anti-collision buffer groove (8) respectively, and the end surfaces of two sides of the anti-collision circular ring piece (11) are movably arranged on the inner sides of the first circular arc groove (6) and the second circular arc groove (9) respectively.

4. The special bearing for mining machinery of claim 1, wherein: one end of each of the first anti-collision elastic piece (7) and the second anti-collision elastic piece (10) is respectively arranged with a buffering facing of one side face of the anti-collision circular ring piece (11).

5. The special bearing for mining machinery of claim 1, wherein: the surface of the anti-collision ring piece (11) is uniformly provided with oil injection holes (12), the anti-collision ring piece (11) is provided with two groups, and the two groups of anti-collision ring pieces (11) are movably arranged at the inner sides of the left end and the right end of the bearing outer ring (1) and the bearing inner ring (2).

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