CN116085386B

CN116085386B - Conical hole aligning roller bearing

Info

Publication number: CN116085386B
Application number: CN202310217677.XA
Authority: CN
Inventors: 李嘉文
Original assignee: Hebei Meijing Precision Bearing Manufacturing Co ltd
Current assignee: Hebei Meijing Precision Bearing Manufacturing Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2024-05-17
Anticipated expiration: 2043-03-08
Also published as: CN116085386A

Abstract

The invention discloses a conical hole aligning roller bearing, which particularly relates to the technical field of bearings, and comprises an outer ring and an inner ring which are concentrically arranged, wherein a double-row roller mechanism is arranged between the outer ring and the inner ring, the double-row roller mechanism comprises roller brackets which are respectively and movably sleeved at two ends of the outer peripheral surface of the inner ring, one ends of the outer peripheral surfaces of the two roller brackets, which are opposite, are fixedly sleeved with an outer ring plate, the opposite ends of the outer peripheral surfaces of the two roller brackets are fixedly sleeved with an inner ring plate, annular cavities with circular truncated cone-shaped axial sections are formed among each roller bracket, the inner ring plate, the outer ring plate and the outer ring at the positions, a plurality of circular truncated cone-shaped rollers which are uniformly distributed in an annular mode are detachably arranged in the annular cavities, a pre-limiting assembly is arranged between the opposite sides of the two inner ring plates, and a positioning assembly is arranged between the inner ring and the roller brackets. The double-row rollers are split-spliced to simplify the assembly process, and the rollers cannot be easily separated from the bearing frame in the assembly process.

Description

Conical hole aligning roller bearing

Technical Field

The invention relates to the technical field of bearings, in particular to a conical hole self-aligning roller bearing.

Background

The self-aligning roller bearing is provided with double-row rollers, the outer ring is provided with a shared spherical raceway, the inner ring is provided with two raceways and is inclined at an angle relative to the axis of the bearing. The ingenious structure ensures that the bearing box has automatic aligning performance, is not easily influenced by the angle between the shaft and the bearing box seat to errors or shaft bending, and is suitable for occasions with installation errors or angle errors caused by shaft bending. The bearing can bear radial load and also can bear axial load with two-way action. The inner hole of the current aligning roller bearing is cylindrical and conical, and the taper of the conical taper hole is 1:30 and 1:12, the conical inner hole bearing is matched with a fastening sleeve or a dismounting sleeve, so that the conical inner hole aligning ball bearing can be conveniently and rapidly assembled on an optical axis or a stepped shaft.

Self-aligning roller bearings are known for their ability to handle demanding (/ demanding) applications where the load is high and shaft deflection can also be expected. In fact, by using rollers instead of balls, larger loads can be accommodated. Furthermore, the ability to center (/ self-align) (i.e., the ability to relatively misalign the inner and outer races of the bearing) protects the bearing from internal stresses caused by shaft deflection, and thus the service life of the bearing may not be negatively affected by such deflection.

In the prior art, in the assembly process of the conical hole aligning roller bearing, which is formed by expanding conical holes of double rows towards two ends of the bearing, the double-row rollers are more complex to install, and the rollers are easy to separate from the bearing frame.

The above information disclosed in the background section is only for enhancement of understanding of the background of the disclosure and therefore it may include information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a tapered bore self-aligning roller bearing, in which the installation process of the double-row rollers is simplified by adopting a split type splicing design, and the rollers are prevented from separating from the carrier by adopting an elastic clamping type design, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a circular cone hole aligning roller bearing, is including being concentric outer lane and the inner circle that sets up, be provided with double-row roller mechanism between outer lane and the inner circle, double-row roller mechanism is including the roller bracket that movable sleeve was located inner circle outer peripheral face both ends respectively, and the equal fixed cover of one end that two roller bracket outer peripheral faces are on the back is equipped with outer ring plate and the equal fixed cover of relative one end is equipped with inner ring plate, is formed with the axle cross-section between the inner ring plate of every roller bracket and the position, outer ring plate and the outer lane and is circular truncated cone shape's ring chamber, and the inside demountable installation of ring chamber has a plurality of round truncated cone shape's rollers that are annular evenly distributed, is provided with between two inner ring plate opposite sides and pre-spacing subassembly, be provided with locating component between inner circle and the roller bracket.

The beneficial effects of adopting the further scheme are as follows: the split double-row roller can be quickly assembled between the outer ring and the inner ring, and the double-row roller is positioned by utilizing the cooperation of the pre-limiting component and the positioning component.

In a preferred embodiment, a separation plate is arranged between two adjacent rollers, the outer peripheral surface of each roller is close to the outer peripheral surface of the roller bracket at the position, the separation plate is arranged between the outer peripheral surface of the roller bracket at the position, and the separation plates are arranged between the two end surfaces of the roller and the outer ring plate and the inner ring plate at the position.

The beneficial effects of adopting the further scheme are as follows: the device can avoid the condition that rollers at adjacent positions are mutually interfered, and can ensure that the bearing is automatically aligned in the working process.

In a preferred embodiment, every the axial lead position department of roller runs through and is equipped with wears the groove, wear the inside movable sleeve of groove and be equipped with the intermediate lever, the equal fixedly connected with spring two in intermediate lever both ends, two spring two opposite ends all fixedly connected with end pole, and two end pole opposite ends all set up to hemispherical structure, and when two spring two are in natural state, two end pole opposite ends all extend to wear the outside of groove and opposite end all activity grafting in wearing the inslot portion, the axial lead position department that the corresponding position roller of outer ring plate and inner ring plate opposite side was located has all offered and is hemispherical screens hole.

The beneficial effects of adopting the further scheme are as follows: the roller position can be pre-fixed, and the roller is prevented from being easily separated from the bearing frame in the installation process.

In a preferred embodiment, the pre-limiting component comprises two limiting columns fixedly arranged in the middle of the inner peripheral surface of the outer ring and arranged in a manner of being symmetrical with respect to the central axis of the outer ring, annular grooves are formed in the outer edge positions of the opposite sides of the two inner ring plates, the limiting columns are movably inserted into annular cavities formed by the two annular grooves in an inserting mode, two magnetic attraction blocks I which are arranged in a manner of being symmetrical with respect to the central axis of the inner ring plates are fixedly embedded in the positions, close to the inner edges, of the opposite sides of the inner ring plates, and the magnetism of the two magnetic attraction blocks I are oppositely arranged.

The beneficial effects of adopting the further scheme are as follows: the split double-row roller initially assembled between the inner ring and the outer ring can be pre-positioned by utilizing the attraction force between the first magnetic attraction blocks.

In a preferred embodiment, the two limit posts are provided with ball grooves at the center of the end face of one end far away from the inner peripheral surface of the outer ring, and balls are embedded in the two ball grooves in a rolling manner.

The beneficial effects of adopting the further scheme are as follows: the friction resistance from the end part of the limit post, which is born by the double-row roller when the double-row roller rotates along with the inner ring, can be greatly reduced.

In a preferred embodiment, the outer peripheral surfaces of the two outer ring plates are fixedly sleeved with sealing check rings, and the outer peripheral surfaces of the sealing check rings are movably attached to the inner peripheral surface of the outer ring.

The beneficial effects of adopting the further scheme are as follows: can effectively isolate the tiny particles such as dust from entering the double-row roller to form accumulation.

In a preferred implementation manner, the positioning assembly comprises a plurality of groups of slots and inserting blocks which are respectively arranged on opposite sides of two roller brackets, the inserting blocks on one roller bracket are movably inserted into the slots on the other roller bracket, the center position of each inserting block is provided with a through hole II in a penetrating manner, one side, close to the inner ring, of the inner cavity of the slot is provided with a through hole III in a penetrating manner, one side, close to the outer ring, of the inner ring is provided with a through hole I in a penetrating manner, the inner peripheral surface of the inner ring is provided with a positioning rod close to the through hole I in a penetrating manner, a spring I is fixedly connected between the opposite ends of the connecting rod which are correspondingly arranged and the positioning rod, the end part of the inner cavity end of the countersink and the positioning rod, which is inserted into the countersink, are oppositely arranged, the magnetism of each magnetic attraction block II is provided with a countersink tank communicated with the through hole I in the inner peripheral surface of the inner ring, and the inner peripheral surface of each countersink tank is movably embedded with a tip connected with the connecting rod in the corresponding position.

The beneficial effects of adopting the further scheme are as follows: the double-row roller and the inner ring can be fixed relatively and quickly.

In a preferred embodiment, a buckle groove which is annularly arranged is formed in one end, far away from the connecting rod, of the outer peripheral surface of the end head, and a plurality of groups of anti-slip adhesive tapes which are annularly arranged are fixedly arranged on one side, far away from the connecting rod, of the inner cavity of the buckle groove.

The beneficial effects of adopting the further scheme are as follows: the positioning rod is conveniently pulled away to release the locking between the double-row roller and the inner ring.

In a preferred embodiment, the circumference side of outer lane is provided with four and is annular evenly distributed annotates lubricating oil mechanism, every annotates lubricating oil mechanism all including seting up in the injection hole at outer lane outer peripheral face middle part and seting up in the caulking groove that corresponds injection hole position department in outer lane inner peripheral face both sides, all communicate between the opposite sides one end of injection hole inner peripheral face bottom and two caulking grooves of place, every caulking groove is inside all to be fixedly inlayed with cotton piece, and cotton piece is towards the setting of laminating for the activity between the outer peripheral face of inner circle and roller, and the inner chamber middle part of every injection hole is all fixed and is equipped with the plug, the cross groove has been seted up along the direction of injection hole to the central point of plug.

The beneficial effects of adopting the further scheme are as follows: the bearing can be ensured to be always in a lubricated state in the working process.

In a preferred embodiment, the end face of the inner cavity of each injection hole is fixedly provided with a V-shaped flow dividing block, and two inclined sides of the flow dividing block are respectively arranged in one-to-one correspondence with two channels at the position.

The beneficial effects of adopting the further scheme are as follows: the lubricating oil used for guiding the injection is shunted and guided to the caulking groove at the corresponding position to infiltrate the cotton block.

The invention has the technical effects and advantages that:

1. according to the double-row roller bearing frame, the split splicing design is adopted for the double-row rollers, so that split two-row rollers can be quickly assembled between the outer ring and the inner ring, the double-row rollers are positioned by utilizing the cooperation of the pre-limiting assembly and the positioning assembly, the double-row roller bearing frame is convenient and quick to install, and meanwhile, the rollers are installed on the roller bearing frame by adopting an elastic clamping structure, so that the double-row rollers can be effectively prevented from being easily separated from the bearing frame in the installation process;

2. According to the self-aligning roller bearing, the lubricating oil injection mechanism is arranged on the outer ring, so that after the self-aligning roller bearing is installed on a target device, a certain amount of lubricating oil can be injected into the channel through the injection hole, and the lubricating oil enters the caulking groove and infiltrates cotton blocks in the caulking groove, and the roller can be ensured to be always in a lubricated state in the running process of the self-aligning roller bearing.

Drawings

The accompanying drawings are included to provide a further understanding of the technical aspects of the invention, and are incorporated in and constitute a part of this specification, and are included to illustrate and explain the invention.

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic view of an outer ring plate structure according to the present invention.

FIG. 3 is a schematic view of an inner ring plate structure according to the present invention.

Fig. 4 is a cross-sectional view of a roller of the present invention.

Fig. 5 is an enlarged view of portion a of fig. 1 in accordance with the present invention.

Fig. 6 is a schematic view of a partial structure of a limiting post according to the present invention.

Fig. 7 is an enlarged view of portion B of fig. 1 in accordance with the present invention.

Fig. 8 is an enlarged view of portion C of fig. 1 in accordance with the present invention.

Fig. 9 is an enlarged view of portion D of fig. 1 in accordance with the present invention.

Fig. 10 is a schematic diagram of the structure of the rubber plug of the present invention.

The reference numerals are: 1 outer ring, 2 inner ring, 3 double-row roller mechanism, 31 roller bracket, 32 outer ring plate, 33 inner ring plate, 34 roller, 4 pre-limit component, 41 limit column, 42 ring groove, 43 magnetic attraction block one, 5 locating component, 51 slot, 52 insert block, 53 perforation one, 54 perforation two, 55 counter bore, 56 perforation three, 57 magnetic attraction block two, 58 locating rod, 59 connecting rod, 510 spring one, 511 end, 512 sinking groove, 6 lubricating oil injection mechanism, 61 injection hole, 62 caulking groove, 63 channel, 64 cotton block, 65 rubber plug, 66 cross groove, 7 seal retainer ring, 8 through groove, 9 middle rod, 10 spring two, 11 end rod, 12 clamping hole, 13 ball groove, 14 ball, 15 split block, 16 buckling groove, 17 anti-slip adhesive tape.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the aspects of the disclosure may be practiced without one or more of the specific details, or with other methods, components, steps, etc. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Example 1

Referring to fig. 1-4 of the specification, an embodiment of the invention is a conical hole aligning roller bearing, which comprises an outer ring 1 and an inner ring 2 which are concentrically arranged, a double-row roller mechanism 3 is arranged between the outer ring 1 and the inner ring 2, the double-row roller mechanism 3 comprises roller brackets 31 which are respectively and movably sleeved at two ends of the outer peripheral surface of the inner ring 2, one ends of the outer peripheral surfaces of the two roller brackets 31, which are opposite, are fixedly sleeved with an outer ring plate 32, the opposite ends of the outer peripheral surfaces of the two roller brackets 31 are fixedly sleeved with an inner ring plate 33, a circular cavity with a circular truncated cone-shaped axial section is formed between each roller bracket 31 and the inner ring plate 33, the outer ring plate 32 and the outer ring, a plurality of circular truncated cone-shaped rollers 34 with circular uniform distribution are detachably arranged in the circular cavity, a pre-limiting assembly 4 is arranged between the opposite sides of the two inner ring plates 33, and a positioning assembly 5 is arranged between the inner ring 2 and the roller brackets 31.

Further, a partition plate is arranged between two adjacent rollers 34, the outer peripheral surface of each roller 34 is close to the outer peripheral surface of the roller bracket 31 at the position, the outer ring plate 32 and the inner ring plate 33 at the positions are arranged in a separated mode, the axial lead position of each roller 34 is penetrated and provided with a through groove 8, an intermediate rod 9 is movably sleeved in the through groove 8, two ends of the intermediate rod 9 are fixedly connected with two springs 10, opposite ends of the two springs 10 are fixedly connected with end rods 11, opposite ends of the two end rods 11 are respectively arranged into a hemispherical structure, when the two springs 10 are in a natural state, opposite ends of the two end rods 11 are respectively extended to the outside of the through groove 8 and are respectively movably inserted into the inside of the through groove 8, and hemispherical clamping holes 12 are respectively formed in the axial lead positions of the rollers 34 at the positions corresponding to the opposite sides of the outer ring plate 32 and the inner ring plate 33.

It should be noted that, after the end rods 11 are clamped into the clamping holes 12 at the corresponding positions, the second spring 10 is still in a compressed state, so that the roller 34 cannot be easily separated from the bearing frame, wherein in the process of assembling the roller 34 onto the bearing frame at the corresponding positions, the roller 34 is pressed down along the opposite sides of the outer ring plate 32 and the inner ring plate 33 between the two adjacent partition plates, so that the end rods 11 protruding to the two ends of the roller 34 in a natural state move oppositely and press the second spring 10 at the corresponding positions, when the roller 34 is pressed down until the two end rods 11 are aligned with the clamping holes 12 at the corresponding positions, opposite ends of the two end rods 11 are inserted into the clamping holes 12 at the corresponding positions under the restoring force of the second spring 10, the roller 34 can be pre-positioned, and then, one ends of the inner ring plate 33 sleeved on the two roller brackets 31 are inserted between the outer ring 1 and the inner ring 2 oppositely, and the double-row rollers are positioned by utilizing the cooperation of the pre-limiting assembly 4 and the positioning assembly 5, so that the installation is convenient and quick.

In this embodiment, the outer peripheral surfaces of the two outer ring plates 32 are fixedly sleeved with the sealing retainer ring 7, and the outer peripheral surfaces of the sealing retainer ring 7 and the inner peripheral surface of the outer ring 1 are movably attached to each other, so that tiny particles such as external dust can be effectively isolated from entering the double-row rollers to form accumulation, and smooth operation of the self-aligning roller bearing is ensured.

Example 2

Referring to fig. 1 and fig. 5-6 of the accompanying drawings, a pre-limiting assembly 4 according to an embodiment of the present invention includes two limiting posts 41 fixedly disposed in the middle of the inner peripheral surface of an outer ring 1 and disposed in a manner of being symmetrical about the central axis of the outer ring 1, annular grooves 42 are respectively disposed at the outer edges of opposite sides of two inner ring plates 33, the limiting posts 41 are movably inserted into an annular cavity enclosed between the two annular grooves 42, two magnetic attraction blocks 43 disposed in a manner of being symmetrical about the central axis of the inner ring plates 33 are fixedly embedded at positions of opposite sides of the two inner ring plates 33 near the inner edges, and the magnetism of the two magnetic attraction blocks 43 are disposed in opposite directions.

It should be noted that, the circumferential side of the limiting post 41 is smooth, so that the friction force between the limiting post 41 and the inner surface of the ring groove 42 can be reduced in the rotation process of the inner ring plate 33, wherein when the double-row roller is assembled, one ends of the inner ring plate 33 sleeved on the two roller brackets 31 are oppositely inserted between the outer ring 1 and the inner ring 2, and the relative positions of the split double-row rollers are adjusted, so that the magnetic attraction blocks 43 on the two inner ring plates 33 are correspondingly attracted, the split double-row rollers can be pre-positioned, and the rapid assembly of the subsequent positioning assembly is facilitated.

In this embodiment, the center of the end face of the two limiting columns 41 far away from the inner peripheral surface of the outer ring 1 is provided with the ball grooves 13, and the balls 14 are embedded in the two ball grooves 13 in a rolling manner, so that the static friction force between the end of the limiting column 41 far away from the inner peripheral surface of the outer ring 1 and the inner ring plate 33 can be converted into rolling friction force, and the friction resistance from the end of the limiting column 41, which is applied when the double-row roller rotates along with the inner ring 2, is greatly reduced.

Example 3

Referring to fig. 1, 5 and 7 of the specification, the positioning assembly 5 of an embodiment of the present invention includes a plurality of groups of slots 51 and inserts 52 respectively disposed on opposite sides of two roller brackets 31, wherein the inserts 52 on one roller bracket 31 are movably inserted into the slots 51 on the other roller bracket 31, a second through hole 54 is formed at a central position of each insert 52, a third through hole 56 is formed at a side of an inner cavity of the slot 51, which is close to the inner ring 2, and a counter bore 55 is formed at a side, which is close to the outer ring 1, of the inner ring 2, a first through hole 53 is formed at a position, which corresponds to the third through hole 56, a positioning rod 58, which is close to the counter bore 55, and a connecting rod 59, which is far from the counter bore 55, are movably sleeved in the first through hole 53, a spring 510 is fixedly connected between the connecting rod 59, which is correspondingly disposed, and an opposite end of the positioning rod 58, which is inserted into the counter bore 55, is fixedly provided with a second magnetic suction block 57, a position 512, which is communicated with the first through hole 53, is formed at a position, which corresponds to the inner peripheral surface of the inner ring 2, is provided with the counter bore 53, and a slot 512, which is movably connected with the connecting rod 512.

It should be noted that, when the first spring 510 is in the natural state, the end 511 is ejected to the outside of the sinking groove 512, but the part of the connecting rod 59 is still inserted into the first through hole 53; the end face of the end 511 far away from the connecting rod 59 is a smooth cambered surface, and after the end 511 is assembled to target equipment, the circular arc end face of the end 511 and the inner circumferential surface of the bearing at the position are arranged in a coplanar manner, wherein when the double-row roller is assembled, after the first magnetic attraction blocks 43 on the two inner ring plates 33 are correspondingly attracted, the insertion block 52 at the end part of one roller bracket 31 is just completely inserted into the insertion groove 51 at the end part of the other roller bracket 31, the counter bore 55, the second through hole 54 and the third through hole 56 are arranged in a collinear manner, the position of the inner ring 2 is adjusted until the first through hole 53 is aligned with the third through hole 56, then, one end of the positioning rod 58 far away from the end 511 sequentially passes through the first through hole 53, the third through hole 56 and the second through hole 54 and is disassembled into the counter bore 55, and the attraction force between the two oppositely arranged magnetic attraction blocks 57 is utilized to fix the positioning rod 58 at the current position, and the relative fixation between the double-row roller and the inner ring 2 can be completed, so that the dismounting and mounting of the double-row roller is convenient and quick.

In this embodiment, one end of the outer peripheral surface of the end 511 far away from the connecting rod 59 is provided with a ring-shaped buckling groove 16, one side of the inner cavity of the buckling groove 16 far away from the connecting rod 59 is fixedly provided with a plurality of groups of ring-shaped anti-slip adhesive tapes 17, so that the locking state between the double-row roller and the inner ring 2 can be released conveniently by pulling out the positioning rod 58 through the end 511 popped up by the spring one 510, wherein the anti-slip adhesive tapes 17 arranged on the inner surface of the buckling groove 16 can prevent the slipping in the process of pulling out the end 511.

Example 4

Referring to fig. 1 and fig. 8-10 of the specification, in an embodiment of the invention, four annular lubrication mechanisms 6 which are uniformly distributed are arranged on the circumferential side surface of an outer ring 1, each lubrication mechanism 6 comprises an injection hole 61 formed in the middle of the outer circumferential surface of the outer ring 1 and caulking grooves 62 formed at positions corresponding to the injection holes 61 on two sides of the inner circumferential surface of the outer ring 1, a channel 63 is formed between the bottom end of the inner circumferential surface of the injection hole 61 and the opposite ends of the two caulking grooves 62 at the positions, cotton blocks 64 are fixedly embedded in each caulking groove 62, one side of each cotton block 64 facing the inner ring 2 is movably attached to the outer circumferential surface of a roller 34, a rubber plug 65 is fixedly arranged in the middle of the inner cavity of each injection hole 61, and cross grooves 66 are formed in the center position of the rubber plug 65 along the direction of the injection hole 61.

It should be noted that, under the action of no external force, the cross groove 66 on the rubber plug 65 is always in a closed state, so as to prevent the lubricant in the channel 63 from leaking back and causing waste, and the residual lubricant in the channel 63 is insufficient to prop up the cross groove 66, wherein after the self-aligning roller bearing is mounted on the target device, the external lubricant injection auxiliary tube can be utilized to prop up the cross groove 66 and insert the position below the rubber plug 65 in the injection hole 61, then a certain amount of lubricant is injected into the channel 63 (before and after the cotton block 64 is infiltrated, the lubricant cannot be on the lower end face of the rubber plug 65), so that the injected lubricant enters the caulking groove 62 and infiltrates the cotton block 64 in the caulking groove 62, and the roller 34 can be ensured to be always in a lubricated state in the operation process of the self-aligning roller bearing.

In this embodiment, the end face of the inner cavity of each injection hole 61 is fixedly provided with a V-shaped flow distribution block 15, and two inclined sides of the flow distribution block 15 are respectively arranged in one-to-one correspondence with two channels 63 at the position, so that the V-shaped tips of the flow distribution blocks 15 can distribute injected lubricating oil and guide the lubricating oil flowing into the channels at the corresponding positions to enter the caulking grooves 62 to infiltrate the cotton blocks 64, thereby ensuring that the rollers 34 are always in a lubricated state in the working process of the bearing, and enabling the bearing to operate smoothly.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a circular conical bore aligning roller bearing, is outer lane (1) and inner circle (2) that set up, its characterized in that including being concentric: a double-row roller mechanism (3) is arranged between the outer ring (1) and the inner ring (2), the double-row roller mechanism (3) comprises roller brackets (31) which are respectively and movably sleeved at two ends of the outer peripheral surface of the inner ring (2), one ends of the outer peripheral surfaces of the two roller brackets (31) are fixedly sleeved with outer ring plates (32) and the opposite ends of the outer peripheral surfaces of the two roller brackets are fixedly sleeved with inner ring plates (33), annular cavities with circular truncated cone-shaped axial sections are formed between each roller bracket (31) and the inner ring plate (33), the outer ring plates (32) and the outer ring, a plurality of circular truncated cone-shaped rollers (34) which are annularly and uniformly distributed are detachably arranged in the annular cavities, a pre-limiting assembly (4) is arranged between the opposite sides of the two inner ring plates (33), and a positioning assembly (5) is arranged between the inner ring (2) and the roller brackets (31);

The positioning component (5) comprises a plurality of groups of slots (51) and inserting blocks (52) which are respectively arranged on opposite sides of two roller brackets (31), the inserting blocks (52) on one roller bracket (31) are movably inserted into the slots (51) on the other roller bracket (31), the center position of each inserting block (52) is fixedly connected with a first spring (510) between the opposite ends of the connecting rod (59) and the positioning rod (58), one side, close to the inner ring (2), of the inner cavity of the slot (51) is provided with a third through hole (56) in a penetrating way, and one side, close to the outer ring (1), of the inner ring (2) is provided with a counter bore (55), the inner circumferential surface of the inner ring (2) is provided with a first through hole (53) in a penetrating way corresponding to the position of each third through hole (56), the inner movable sleeve of the first through hole (53) is provided with a positioning rod (58) close to the counter bore (55) and a connecting rod (59) far away from the counter bore (55), a first spring (510) is fixedly connected between the opposite ends of the connecting rod (59) which are correspondingly arranged, the inner cavity end of the counter bore (55) and one end of the positioning rod (58) is inserted into the inner counter bore (55) is provided with a second magnetic block (57), a sinking groove (512) communicated with the first perforation (53) at the position corresponding to the first perforation (53) at the position is formed in the inner peripheral surface of the inner ring (2), and an end head (511) connected with a connecting rod (59) at the position is movably embedded in each sinking groove (512);

The outer peripheral surface of the end head (511) is provided with a buckle groove (16) which is annularly arranged at one end far away from the connecting rod (59), and a plurality of groups of anti-slip adhesive tapes (17) which are annularly arranged are fixedly arranged at one side of the inner cavity of the buckle groove (16) far away from the connecting rod (59);

four annular and evenly distributed lubricating oil injection mechanisms (6) are arranged on the peripheral side face of the outer ring (1), each lubricating oil injection mechanism (6) comprises an injection hole (61) formed in the middle of the outer peripheral face of the outer ring (1) and caulking grooves (62) formed in positions, corresponding to the injection holes (61), of the two sides of the inner peripheral face of the outer ring (1), channels (63) are formed in the bottoms of the inner peripheral faces of the injection holes (61) and opposite ends of the two caulking grooves (62) in the positions, cotton blocks (64) are fixedly embedded in the caulking grooves (62), one side, facing the inner ring (2), of each cotton block (64) is movably attached to the outer peripheral face of a roller (34), rubber plugs (65) are fixedly arranged in the middle of an inner cavity of each injection hole (61), and cross grooves (66) are formed in the center positions of the rubber plugs (65) along the directions of the injection holes (61);

And the end face position of the inner cavity of each injection hole (61) is fixedly provided with a V-shaped distribution block (15), and two inclined sides of the distribution block (15) are respectively in one-to-one correspondence with two channels (63) at the position.

2. The tapered bore self-aligning roller bearing as claimed in claim 1, wherein: a separation plate is arranged between two adjacent rollers (34), the outer peripheral surface of each roller (34) is close to the outer peripheral surface of the roller bracket (31) at the position, the two end surfaces of the rollers (34) are separated from the outer ring plate (32) and the inner ring plate (33) at the position.

3. The tapered bore self-aligning roller bearing as claimed in claim 1, wherein: every the axial lead position department of roller (34) runs through and is equipped with and wears groove (8), wear inside movable sleeve in groove (8) and be equipped with intermediate lever (9), intermediate lever (9) both ends all fixedly connected with spring two (10), two spring two (10) are all fixedly connected with end pole (11) in opposite directions, and the one end that two end poles (11) are in opposite directions all sets up to hemispherical structure, when two spring two (10) are in natural state, the opposite directions one end of two end poles (11) all extends to wear groove (8) outside and relative one end all activity grafting in wear groove (8) inside, outer loop board (32) and inner loop board (33) opposite sides correspond the axial lead position department of position roller (34) all offered and are hemispherical screens hole (12).

4. The tapered bore self-aligning roller bearing as claimed in claim 1, wherein: the pre-limiting assembly (4) comprises two limiting columns (41) which are fixedly arranged in the middle of the inner peripheral surface of the outer ring (1) and are arranged in a hand symmetry mode relative to the central axis of the outer ring (1), annular grooves (42) are formed in the outer edge positions of the opposite sides of the two inner ring plates (33), the limiting columns (41) are movably inserted into annular cavities formed by encircling the two annular grooves (42), two magnetic attraction blocks (43) which are arranged in an axisymmetric mode relative to the central axis of the inner ring plates (33) are fixedly embedded in the positions, close to the inner edges, of the opposite sides of the inner ring plates (33), and the magnetism of the two magnetic attraction blocks (43) is oppositely arranged.

5. The tapered bore self-aligning roller bearing as claimed in claim 4, wherein: the two limit posts (41) are provided with ball grooves (13) at the center of the end face of one end far away from the inner peripheral face of the outer ring (1), and balls (14) are embedded in the two ball grooves (13) in a rolling manner.

6. The tapered bore self-aligning roller bearing as claimed in claim 1, wherein: the outer peripheral surfaces of the two outer ring plates (32) are fixedly sleeved with sealing check rings (7), and the outer peripheral surfaces of the sealing check rings (7) are movably attached to the inner peripheral surface of the outer ring (1).