CN216742480U - High-strength self-lubricating bearing for rotating shaft - Google Patents

Abstract

A high-strength self-lubricating bearing for a rotating shaft relates to the field of rolling bearings and comprises a bearing outer ring, a bearing inner ring and a high-strength dustproof cover, wherein the bearing inner ring is arranged at the inner side of the bearing outer ring, the high-strength dustproof cover is arranged at the front side and the rear side of the bearing outer ring and the bearing inner ring, a detector is arranged in the high-strength dustproof cover to detect the rotating speed of an output shaft in real time, ten spraying device bases are arranged on the inner side wall of the high-strength dustproof cover around the circle center, a detachable spraying plate and a filtering component are arranged in the spraying device bases, the lubricating effect is good in a high-speed state, when a first oil path is closed and a second oil path is opened, oil can enter an oil drop guide disc along the second oil path, oil drop lubrication is carried out through an oil drop device, the mode is suitable for lubrication in a low-speed state, and the device automatically adjusts the lubricating mode according to the rotating speed of the output shaft in real time through the internal arrangement, the lubricating effect is improved, the transmission efficiency is improved, and the service life is prolonged.

Description

High-strength self-lubricating bearing for rotating shaft

Technical Field

The utility model belongs to the technical field of antifriction bearing and specifically relates to a high strength self-lubricating bearing for axis of rotation.

Background

A rolling bearing is a precise mechanical element that reduces friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction. The rolling bearing generally comprises four parts, namely an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with a shaft and rotating together with the shaft; the outer ring is matched with the bearing seat to play a supporting role; the rolling bodies are uniformly distributed between the inner ring and the outer ring by virtue of the retainer, and the shape, size and number of the rolling bodies directly influence the service performance and service life of the rolling bearing; the retainer can enable the rolling bodies to be uniformly distributed and guide the rolling bodies to rotate to play a role in lubrication.

The lubrication of the bearing is to make the bearing operate normally, avoid the direct contact between the raceway and the surface of the rolling element, reduce the friction and wear in the bearing, prolong the service life of the bearing, enhance the performance of the bearing, and prevent the rusting and corrosion caused by the intrusion of foreign matters into the bearing.

The traditional bearing lubrication is that a proper lubrication form is set according to the rotating speed of a bearing, but at present, the device is required to be provided with multi-stage speed change, the rotating speed on an output shaft can be changed continuously, and the change is difficult to meet by a single lubrication mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength self-lubricating bearing for axis of rotation to solve the problem that proposes among the above-mentioned background art.

The utility model provides a its technical problem take following technical scheme to realize:

a bearing for a high-strength self-lubricating rotating shaft comprises a bearing outer ring, a bearing inner ring and a high-strength dustproof cover, wherein the bearing inner ring is arranged on the inner side of the bearing outer ring, a first limiting guide groove is formed in the inner side wall of the bearing outer ring, a second limiting guide groove is formed in the outer side surface of the bearing inner ring, the second limiting guide groove and the first limiting guide groove are located on the same plane, twelve oil drop guide grooves are uniformly formed in the outer side surface of the bearing inner ring in the surrounding operation mode, the oil drop guide grooves are communicated with the second limiting guide groove from the front side to the rear side, six balls are arranged between the first limiting guide groove and the second limiting guide groove in a rolling mode, a retainer is arranged between the balls, an output shaft is arranged on the middle side of the bearing inner ring, the output shaft is excessively matched with the inner side wall of the bearing inner ring, the high-strength dustproof cover is arranged on the front end surface and the rear end surface of the bearing outer ring, opposite connecting blocks are fixedly arranged at the left end and the right end of the high-strength dustproof cover, the high-strength dust covers on the front side and the rear side are connected through fastening bolts, lubricating oil spaces are arranged in the high-strength dust covers on the two sides, the lubricating oil spaces are communicated with an external lubricating oil pump through connecting pipes, one-way valves are arranged in the connecting pipes, a driving shaft is rotatably arranged between the upper side wall and the lower side wall of each lubricating oil space, an extrusion plate is slidably arranged between the side walls of each lubricating oil space, the extrusion plate is in threaded connection with the driving shaft, a first oil path and a second oil path are arranged on the lower side of each lubricating oil space, electric control valves are arranged in the first oil path and the second oil path, ten spraying device bases are uniformly arranged around the inner side surface of each high-strength dust cover, the spraying device bases are connected with the side surfaces of the high-strength dust covers through screws, and connecting spaces are arranged inside the spraying device bases, the utility model discloses a high strength dust cap, including connection space inside wall, connection space inside wall is equipped with the internal thread, be equipped with removable spraying plate in the connection space, be equipped with atomizing through-hole in the removable spraying plate, be equipped with filter assembly, each in the connection space the mounted position rear side of atomizer base with first oil circuit is linked together, the fixed oil guide plate that drips that is equipped with of medial surface of high strength dust cap, oil drips the guide plate and is in the top in bearing space, oil drip the guide plate with the second oil circuit is linked together, and the front side the high strength dust cap inboard is equipped with the detector, the detector with first oil circuit and the built-in electric control valve of second oil circuit is connected.

Advantageously, the detachable spray plate is externally threaded and is in threaded connection with the internal thread, and the detachable spray plate can be detached from the sprayer base to replace or clean the filter assembly inside.

Advantageously, the filter assembly is in threaded connection with the base of the spraying device, the filter mesh of the filter assembly has a one millimeter pore size, and the filter assembly can be removed and replaced.

Beneficially, be equipped with the oil dropper in the oil drip guiding disc, the oil dropper is the oil absorption cotton thread, the oil dropper with first oil circuit is linked together, the oil dropper can with lubricating oil transmits in the lubricating oil space in the oil drip guiding disc, and has filterable effect, works as when output shaft rotational speed is lower, the oil drip guiding disc will lubricating oil that the oil dropper formed drips into in the oil drip guiding groove, and then slide into in the spacing guide slot of second right the ball lubricates.

Advantageously, the detector is located on the upper side of the output shaft, the detector is a rotational speed sensor, the peripheral speed of the output shaft is in a low speed state when less than four meters per second, and the rotational speed of the output shaft is in a non-low speed state when more than four meters per second.

Advantageously, the detector is connected to the driving shaft through a built-in circuit, the detector controls the rotation speed of the driving shaft, when the output shaft is in a low speed state, the detector can control the second oil path to be opened, the first oil path is in a closed state, when the output shaft is in a non-low speed state, the detector can control the second oil path to be closed, the first oil path is opened, and the detector correspondingly drives the rotation speed of the driving shaft according to the rotation speed of the output shaft to control the amount of sprayed lubricating oil, wherein the greater the rotation speed of the output shaft in the non-low speed state, the greater the rotation speed of the driving shaft, the greater the amount of sprayed lubricating oil, and vice versa.

Beneficially, the fastening bolts are connected through welding spots in an anti-loosening mode, clamping grooves and clamping blocks are arranged between the front side face and the rear side face of the bearing outer ring and the high-strength dust covers, the situation that the high-strength dust covers on the front side and the rear side are separated from each other due to vibration of the device under the working state can be prevented, and meanwhile the high-strength dust covers and the clamping grooves and the clamping blocks between the bearing outer ring can prevent the bearing outer ring from being displaced relative to the high-strength dust covers.

The utility model discloses an advantage is with positive effect:

the utility model discloses a through set up the high strength shield around bearing inner race and bearing inner race both sides, the high strength shield plays dirt-proof effect, is equipped with the rotational speed of detector real-time detection output shaft in the high strength shield, and the detector can be through the decline and the rising of stripper plate and can control the opening and shutting of first oil circuit and second oil circuit internal valve, and the inside wall of high strength shield is equipped with ten atomizer bases around the centre of a circle, removable atomizer plate and filter assembly have in the atomizer base, and the fine solid particle in the lubricating oil that can intercept through first oil circuit can be filtered assembly, and lubricating oil passes through the atomizing through-hole is pressurized and is sprayed on the ball, and is lubricated effectual under high-speed condition, and when first oil circuit closed, after the second oil circuit was opened, fluid can enter into oil drip oil guide plate along the second oil circuit, carries out the oil drip lubrication through the oil dropper, the mode is suitable for lubrication in a low-speed state, the device automatically adjusts the lubrication mode in real time according to the rotating speed of the output shaft through the internal setting, the lubrication effect is improved, and the transmission efficiency and the service life are improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the whole structure of the high-strength self-lubricating bearing for a rotating shaft according to the present invention;

FIG. 2 is a schematic left-side view of the high-strength self-lubricating bearing for a rotating shaft of the present invention;

fig. 3 is a schematic structural view of the high-strength dust cap in fig. 1 according to the present invention;

FIG. 4 is a schematic view of the base of the spraying device of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 2 according to the present invention;

fig. 6 is a schematic structural view of the oil drop guide disc in fig. 5 according to the present invention.

The scores in the figures are as follows: 11. an outer race of the bearing; 12. a bearing inner race; 13. an output shaft; 14. a second limiting guide groove; 15. an oil drop guide groove; 16. a first limiting guide groove; 17. a ball bearing; 18. a holder; 19. a high-strength dust cap; 20. connecting blocks are arranged oppositely; 21. fastening a bolt; 22. a connecting pipe; 23. a lubricant space; 25. a drive shaft; 26. a compression plate; 27. a first oil passage; 28. a second oil passage; 29. a spraying device base; 30. an internal thread; 31. a detachable spray plate; 32. an atomizing through-hole; 33. a connection space; 34. a filter assembly; 35. a screw; 36. an oil drop guiding disc; 37. an oil drip device; 38. a detector.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The invention will be described in detail with reference to fig. 1 to 6, wherein for the sake of convenience of description, the following orientations are defined as follows: the up-down, left-right, front-back direction described below is consistent with the front-back, left-right, top-down direction of the view direction of fig. 1, fig. 1 is the front view of the device of the present invention, and the direction shown in fig. 1 is consistent with the front-back, left-right, top-down direction of the front view direction of the device of the present invention.

The embodiments of the present invention will be described in detail with reference to the accompanying drawings:

referring to fig. 1-6, the present invention provides an embodiment: a high-strength self-lubricating bearing for a rotating shaft comprises a bearing outer ring 11, a bearing inner ring 12 and a high-strength dustproof cover 19, wherein the bearing inner ring 12 is arranged on the inner side of the bearing outer ring 11, a first limiting guide groove 16 is arranged on the inner side wall of the bearing outer ring 11, a second limiting guide groove 14 is arranged on the outer side surface of the bearing inner ring 12, the second limiting guide groove 14 and the first limiting guide groove 16 are located on the same plane, twelve oil drop guide grooves 15 are uniformly formed in the outer side surface of the bearing inner ring around the moving direction, the oil drop guide grooves 15 are communicated with the second limiting guide groove 14 from the front side and the back side, six balls 17 are arranged between the first limiting guide groove 16 and the second limiting guide groove 14 in a rolling mode, a retainer 18 is arranged between the balls 17, an output shaft 13 is arranged on the middle side of the bearing inner ring 12, and the output shaft 13 is excessively matched with the inner side wall of the bearing inner ring 12, high-strength dust covers 19 are arranged on the front end face and the rear end face of the bearing outer ring 11, opposite connecting blocks 20 are fixedly arranged at the left end and the right end of each of the high-strength dust covers 19 on the front side and the rear side, the high-strength dust covers 19 on the front side and the rear side are connected through fastening bolts 21, lubricating oil spaces 23 are arranged in the high-strength dust covers 19 on the front side and the rear side, the lubricating oil spaces 23 are communicated with external lubricating oil pumps through connecting pipes 22, one-way valves are arranged in the connecting pipes 22, a driving shaft 25 is rotatably arranged between the upper side wall and the lower side wall of each lubricating oil space 23, a squeezing plate 26 is slidably arranged between the side walls of each lubricating oil space 23, the squeezing plate 26 is in threaded connection with the driving shaft 25, two lubricating oil outlets, namely a first oil path 27 and a second oil path 28, are arranged at the lower side of each lubricating oil space 23, and electric control valves are arranged in each of the first oil path 27 and the second oil path 28, the medial surface of high strength shield 19 is around evenly being equipped with ten atomizer bases 29, atomizer bases 29 pass through the screw rod 35 with connect between high strength shield 19's the side, atomizer bases 29 is equipped with connection space 33 for inside, connection space 33 inside wall is equipped with internal thread 30, be equipped with removable spray plate 31 in connection space 33, be equipped with atomizing through-hole 32 in the removable spray plate 31, be equipped with filter assembly 34 in connection space 33, each atomizer bases 29's mounted position rear side with first oil circuit 27 is linked together, high strength shield 19's medial surface is fixed and is equipped with oil droplet guiding disc 36, oil droplet guiding disc 36 is located the top of bearing space, oil droplet guiding disc 36 with second oil circuit 28 is linked together, the front side the high strength shield 19 inboard is equipped with detector 38, the detector 38 is connected to electrically controlled valves provided in the first oil passage 27 and the second oil passage 28.

In addition, in one embodiment, the detachable spray plate 31 has an external thread on the outer side, the detachable spray plate 31 is screwed with the internal thread 30, and the detachable spray plate 31 can be detached from the sprayer base 29 to replace or clean the filter assembly 34 inside.

In addition, in one embodiment, the filter assembly 34 is screwed to the sprayer base 29, the filter mesh of the filter assembly 34 has a one millimeter diameter, and the filter assembly 34 can be removed and replaced.

In addition, in an embodiment, be equipped with oil dropper 37 in the oil drip guiding disc 36, oil dropper 37 is the oil absorption cotton thread, oil dropper 37 with first oil circuit 27 is linked together, oil dropper 37 can with lubricating oil in the lubricating oil space 23 transmits among the oil drip guiding disc 36, and has filterable effect, works as when output shaft 13 rotational speed is lower, oil drip guiding disc 36 will the lubricated oil droplet that oil dropper 37 formed drips and drops into in oil droplet guiding groove 15, and then slide into in the spacing guide slot 14 of second right ball 17 lubricates.

In addition, in one embodiment, the detector 38 is located above the output shaft 13, the detector 38 is a rotational speed sensor, the circumferential speed of the output shaft 13 is in a low speed state when less than four meters per second, and the rotational speed of the output shaft 13 is in a non-low speed state when more than four meters per second.

In one embodiment, the detector 38 is connected to the drive shaft 25 through a built-in circuit, the detector 38 controls the rotation speed of the drive shaft 25, the detector 38 controls the second oil passage 28 to be opened and the first oil passage 27 to be closed when the output shaft 13 is in a low speed state, the detector 38 controls the second oil passage 28 to be closed and the first oil passage 27 to be opened when the output shaft 13 is in a non-low speed state, and the detector 38 controls the amount of sprayed lubricant by driving the drive shaft 25 in accordance with the rotation speed of the output shaft 13, wherein the greater the rotation speed of the output shaft 13 in the non-low speed state, the greater the rotation speed of the drive shaft 25, the greater the amount of sprayed lubricant, and the lesser the greater the rotation speed.

In addition, in an embodiment, the fastening bolt 21 is connected by adopting anti-loosening treatment of welding spots, and clamping grooves and clamping blocks are arranged between the front side surface and the rear side surface of the bearing outer ring 11 and the high-strength dust cover 19, so that the high-strength dust cover 19 on the front side and the rear side can be prevented from being disconnected due to vibration of the device in a working state, and meanwhile, the high-strength dust cover 19 and the clamping grooves and the clamping blocks between the bearing outer ring 11 can prevent the bearing outer ring 11 from being displaced relative to the high-strength dust cover 19.

In specific implementation, the detector 38 detects the rotation speed of the real-time output shaft 13 in real time, when the output shaft 13 is in a low-speed state, the detector 38 may control the second oil path 28 to be opened, the first oil path 27 is in a closed state, when the output shaft 13 is in a non-low-speed state, the detector 38 may control the second oil path 28 to be closed, the first oil path 27 is opened, and the detector 38 drives the rotation speed of the drive shaft 25 according to the rotation speed of the output shaft 13 to control the amount of sprayed lubricant, wherein the greater the rotation speed of the output shaft 13 in the non-low-speed state, the greater the rotation speed of the drive shaft 25, the greater the amount of sprayed lubricant, and vice versa.

Under the high speed state, the detector 38 drives the driving shaft 25 to correspondingly rotate and descend, the squeezing plate 26 squeezes the lubricating oil in the lubricating oil space 23, the first oil path 27 is in an open state, the second oil path 28 is in a closed state, the lubricating oil enters each connecting space 33 through the first oil path 27 and passes through the filtering and atomizing through holes 32 of the filtering assembly 34 to be sprayed onto the surface of the ball 17 in an oil mist state, so as to achieve the oil mist lubricating effect, under the low speed state, the first oil path 27 is closed, the second oil path 28 is in an open state, the oil dropper 37 can transfer the lubricating oil in the lubricating oil space 23 to the oil drop guide disc 36 and has the filtering effect, when the rotating speed of the output shaft 13 is low, the oil drop guide disc 36 can drop the lubricating oil formed by the oil dropper 37 into the oil drop guide groove 15 and further slide into the second limit guide groove 14 to lubricate the ball 17, the connection pipe 22 can transport the lubricating oil in the lubricating oil pump under pressure into the lubricating oil space 23 according to the oil level in the lubricating oil space 23.

It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but also falls within the scope of the present invention, in any other embodiments derived by those skilled in the art according to the technical solutions of the present invention.

Claims (6)

1. The utility model provides a high strength is from lubricating bearing for axis of rotation, includes bearing inner race (11), bearing inner race (12) and high strength shield (19), its characterized in that: the bearing inner race (11) inboard is equipped with bearing inner race (12), bearing outer race (11) inside wall is equipped with first spacing guide slot (16), bearing inner race (12) lateral surface is equipped with the spacing guide slot of second (14), the spacing guide slot of second (14) with first spacing guide slot (16) are in the coplanar, bearing inner race (12) lateral surface evenly is equipped with twelve oil drops guiding groove (15) around the operation, oil drops guiding groove (15) from the past back both sides with the spacing guide slot of second (14) link up, first spacing guide slot (16) with roll between the spacing guide slot of second (14) and be equipped with eight balls (17), be equipped with holder (18) between ball (17), bearing inner race (12) medial side is equipped with output shaft (13), output shaft (13) with the inside wall transition fit of bearing inner race (12), the bearing outer ring (11) is provided with high-strength dust covers (19) on the front end face and the rear end face, opposite connecting blocks (20) are fixedly arranged at the left end and the right end of the high-strength dust covers (19) on the front side and the rear side, the high-strength dust covers (19) on the front side and the rear side are connected through fastening bolts (21), lubricating oil spaces (23) are arranged in the high-strength dust covers (19) on the two sides, the lubricating oil spaces (23) are communicated with an external lubricating oil pump through connecting pipes (22), one-way valves are arranged in the connecting pipes (22), a driving shaft (25) is rotatably arranged between the upper side wall and the lower side wall of each lubricating oil space (23), extrusion plates (26) are slidably arranged between the side walls of the lubricating oil spaces (23), the extrusion plates (26) are in threaded connection with the driving shafts (25), and two lubricating oil outlets of a first oil path (27) and a second oil path (28) are arranged on the lower side of each lubricating oil space (23), all be equipped with automatically controlled valve in first oil circuit (27) and the second oil circuit (28), the medial surface of high strength shield (19) is around evenly being equipped with ten atomizer bases (29), atomizer bases (29) pass through screw rod (35) with connect between the side of high strength shield (19), atomizer bases (29) are equipped with connecting space (33) for inside, connecting space (33) inside wall is equipped with internal thread (30), be equipped with removable spraying board (31) in connecting space (33), be equipped with atomizing through-hole (32) in removable spraying board (31), be equipped with filter assembly (34) in connecting space (33), each the mounted position rear side of atomizer bases (29) with first oil circuit (27) are linked together, the medial surface of high strength shield (19) is fixed and is equipped with oil droplet guiding disc (36), oil drip guiding disc (36) are in the top side in bearing space, oil drip guiding disc (36) with second oil circuit (28) are linked together, the front side high strength shield (19) inboard is equipped with detector (38), detector (38) with first oil circuit (27) and the built-in automatically controlled valve of second oil circuit (28) is connected.

2. The bearing for a high-strength self-lubricating rotating shaft according to claim 1, wherein: the outer side of the detachable spraying plate (31) is provided with an external thread, and the detachable spraying plate (31) is in threaded connection with the internal thread (30).

3. The bearing for a high-strength self-lubricating rotating shaft according to claim 1, wherein: the filter assembly (34) is in threaded connection with the spraying device base (29), and the aperture of a filter screen of the filter assembly (34) is one millimeter.

4. The bearing for a high-strength self-lubricating rotating shaft according to claim 1, wherein: an oil dropper (37) is arranged in the oil drop guide disc (36), the oil dropper (37) is an oil absorption cotton thread, and the oil dropper (37) is communicated with the first oil way (27).

5. The bearing for a high-strength self-lubricating rotating shaft according to claim 1, wherein: the detector (38) is positioned on the upper side of the output shaft (13), the detector (38) is a rotating speed sensor, the detector (38) is connected with the driving shaft (25) through a built-in circuit, and the detector (38) controls the rotating speed of the driving shaft (25).

6. The bearing for a high-strength self-lubricating rotating shaft according to claim 1, wherein: the fastening bolts (21) are connected in a welding spot anti-loosening mode, and clamping grooves and clamping blocks are arranged between the front side face and the rear side face of the bearing outer ring (11) and the high-strength dust cover (19).

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