CN219472566U

CN219472566U - Novel multi-end thrust roller bearing

Info

Publication number: CN219472566U
Application number: CN202320249250.3U
Authority: CN
Inventors: 袁劲松; 蔡来英; 袁达
Original assignee: Zhejiang Laiyuan Machinery Co ltd
Current assignee: Zhejiang Laiyuan Machinery Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-08-04
Anticipated expiration: 2033-02-07

Abstract

The utility model provides a novel multi-end thrust roller bearing, which solves the problems of multi-end transmission of the thrust roller bearing and the like, and comprises an upper seat body and a lower seat body, wherein a plurality of transmission rollers which are arranged in a central symmetry manner are rotatably arranged between the upper seat body and the lower seat body, the transmission rollers are rotatably connected with a transmission frame body, the transmission rollers are provided with upper rollers which are in contact transmission with the upper seat body and lower rollers which are in contact transmission with the lower seat body, the upper rollers and the lower rollers are arranged at intervals up and down relative to the transmission frame body, locking mechanisms are arranged between the transmission frame body and the upper seat body and between the transmission frame body and the lower seat body, and the transmission frame body is provided with an output mechanism which extends outwards. The utility model has the advantages of good structural stability, meeting the complex transmission requirement and the like.

Description

Novel multi-end thrust roller bearing

Technical Field

The utility model belongs to the technical field of roller bearings, and particularly relates to a novel multi-end thrust roller bearing.

Background

The thrust roller bearing is used for bearing axial load-based axial and radial combined load, but the radial load cannot exceed 55% of the axial load. Compared with other thrust bearings, the bearing has the advantages of lower friction factor, higher rotating speed and aligning performance. The thrust roller bearing is divided into a thrust cylindrical roller bearing, a thrust self-aligning roller bearing, a thrust tapered roller bearing and a thrust needle bearing. The thrust cylindrical roller bearing is mainly applied to machines such as petroleum drilling rigs, iron-making steel and the like. In the actual use process, the roller of the existing thrust roller bearing is damaged after long-time use, so that the bearing is blocked. In addition, the existing thrust roller bearing can only meet the requirement of supporting transmission in a single axial direction, and cannot meet the requirement of multi-end transmission.

In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a thrust roller bearing [201611125481.4], it includes outer lane and inner circle, be provided with the holder between outer lane and the inner circle, radially evenly be provided with a plurality of rollers on the holder, the infrared emitter has been inlayed in the middle of the surface of roller, be provided with on the holder of roller one side and put the thing groove, it is provided with infrared receiver, controller and alarm to put the thing inslot, the output of infrared receiver links to each other with the input of controller, the output of controller links to each other with the input of alarm, be provided with annular oilhole on the holder in roller tip outside, be provided with the inlet port between annular oilhole and the roller.

The problem of thrust roller damage is solved to a certain extent to the scheme, but the scheme still has a plurality of defects, such as the problem that the multi-end transmission requirement cannot be met.

Disclosure of Invention

The utility model aims at providing a novel multi-end thrust roller bearing which is reasonable in design and can meet multi-end transmission requirements.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel multiport thrust roller bearing, including last pedestal and lower pedestal, go up the pedestal and rotate between the lower pedestal and install a plurality of central symmetry's transmission roller of arranging, transmission roller rotates with the transmission support body and is connected, transmission roller has with last pedestal contact driven last roller and with lower pedestal contact driven lower roller, go up the upper roller and lower roller relative transmission support body upper and lower interval arrangement, be provided with locking mechanism between transmission support body and last pedestal and the lower pedestal, transmission support body has the output mechanism who extends outwards. Besides the upper seat body and the lower seat body bear axial load, the transmission frame bodies between the upper seat body and the lower seat body can independently and circumferentially transmit, and the multi-end synchronous transmission is realized by matching with a locking mechanism, so that the complex axial and radial load requirements are met.

In the above novel multi-end thrust roller bearing, the upper seat body and the lower seat body are respectively provided with a transmission groove for the transmission roller to be placed in, the bottom surfaces of the transmission grooves are obliquely arranged relative to the horizontal surfaces of the upper seat body and the lower seat body, and the inclination directions of the bottom surfaces of the transmission grooves of the upper seat body and the lower seat body are opposite. The transmission roller is limited by the transmission groove, so that the relative stability of the upper seat body and the lower seat body in the radial direction is ensured.

In the novel multi-end thrust roller bearing, the joint surface of the transmission roller and the transmission groove is a conical surface and extends outwards relative to the transmission frame body. The transmission roller is attached to the transmission groove, so that the two ends of the transmission roller are limited by the transmission groove.

In the novel multi-end thrust roller bearing, the transmission frame body is provided with the mounting grooves for the transmission rollers to rotate and mount, the openings of the mounting grooves are arranged at intervals relative to the upper end and the lower end of the transmission frame body, the mounting grooves are respectively provided with mounting holes extending along the radial direction of the transmission frame body, and the transmission rollers are rotationally connected with the transmission frame body through mounting shafts penetrating through the mounting holes. The transmission frame body stably supports the transmission roller to avoid axial or radial deflection.

In the above-mentioned novel multiport thrust roller bearing, the output mechanism includes the output ring that sets up on the transmission support body, and output ring inboard is relative with last pedestal and lower pedestal circumference outside, and output ring upper and lower extreme and outside are opened respectively and are the output hole that the central symmetry was arranged. The output hole on the output ring meets the external switching requirement.

In the novel multi-end thrust roller bearing, the locking mechanism comprises locking grooves arranged on the circumferential outer sides of the upper seat body and the lower seat body, locking pins opposite to the locking grooves are slidably arranged in the output ring, and a telescopic assembly is arranged between the locking pins and the output ring. The locking mechanism realizes the locking of the transmission frame body and the upper seat body or the lower seat body, and realizes transmission switching.

In the novel multi-end thrust roller bearing, the telescopic assembly comprises telescopic holes extending radially along the output ring, the locking pins are slidably mounted in the telescopic holes and are provided with elastic resetting pieces therebetween, the output ring is rotatably provided with the telescopic ring, the inner side of the telescopic ring is opposite to the locking pins, guide inclined planes are arranged between the inner side of the telescopic ring and the locking pins, and the locking pins slide along with the telescopic ring torsion relative to the telescopic holes and are spliced or separated with the locking grooves. The telescopic component is used for transmitting axial torque, and the shearing moment born by each locking pin is the same.

In the above-described novel multi-end thrust roller bearing, the transmission housing has a reference cylinder facing the inner sides of the upper housing and the lower housing, and the inner side of the reference cylinder has a fixing groove extending in the axial direction. The reference cylinder at the inner side of the transmission frame body is matched with the output ring to seal the joint of the upper seat body and the lower seat body, and meanwhile, the normal transmission of the upper seat body and the lower seat body is not influenced.

In the above-described novel multi-end thrust roller bearing, the upper end of the upper housing and the lower end of the lower housing are flush with the upper and lower ends of the reference cylinder and the output ring, respectively. On the basis of the existing seat body and the transmission frame body, the disc body can be additionally assembled to improve the synchronous transmission effect.

In the novel multi-end thrust roller bearing, the upper seat body is provided with an oil inlet opposite to the transmission roller and the transmission frame body. Lubricating oil is filled towards the transmission roller through the oil inlet, so that the transmission lubricity of the bearing is ensured.

Compared with the prior art, the utility model has the advantages that: a transmission frame body is arranged between the upper seat body and the lower seat body, and a transmission mode is adjusted by a locking machine body, so that the complex multi-end axial or radial load requirement is met; the transmission rollers are arranged at intervals up and down relative to the transmission frame body, and have good radial limiting effect on the upper seat body and the lower seat body; the transmission frame body encapsulates the inside and the outside of the bearing, so that external impurities are prevented from invading the transmission rollers, and the service life of the bearing is prolonged.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is a partial cross-sectional view of the present utility model;

FIG. 4 is another partial cross-sectional view of the present utility model;

in the figure, an upper housing 1, an oil inlet 11, a lower housing 2, a transmission roller 3, an upper roller 31, a lower roller 32, a transmission groove 33, a transmission frame 4, a mounting groove 41, a mounting hole 42, a mounting shaft 43, a reference cylinder 44, a fixing groove 45, a locking mechanism 5, a locking groove 51, a locking pin 52, a telescopic hole 53, an elastic restoring member 54, a telescopic ring 55, a guide slope 56, an output mechanism 6, an output ring 61, and an output hole 62.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

As shown in fig. 1, the novel multi-end thrust roller bearing comprises an upper seat body 1 and a lower seat body 2 which are arranged in a vertically stacked manner, wherein the centers of the upper seat body 1 and the lower seat body 2 are combined and respectively bear corresponding axial loads. A plurality of transmission rollers 3 which are arranged in a central symmetry manner are rotatably arranged between the upper seat body 1 and the lower seat body 2, the transmission rollers 3 are rotatably connected with the transmission frame body 4, and the transmission rollers 3 are provided with an upper roller 31 which is in contact transmission with the upper seat body 1 and a lower roller 32 which is in contact transmission with the lower seat body 2. Wherein the upper roller 31 and the lower roller 32 are driven relatively independently. The upper roller 31 and the lower roller 32 are arranged at intervals up and down relative to the transmission frame body 4, a locking mechanism 5 is arranged between the transmission frame body 4 and the upper seat body 1 and between the transmission frame body 4 and the lower seat body 2, and the transmission frame body 4 is provided with an output mechanism 6 extending outwards. The transmission frame body 4 can be extended outwards to further independently transmit through the output mechanism 6, or the locking mechanism 5 is used for independently transmitting with the upper seat body 1 or the lower seat body 2.

As shown in fig. 2, the upper and lower housings 1 and 2 have a transmission groove 33 into which the transmission roller 3 is inserted, respectively, and the inside of the transmission groove 33 is coated with a lubricating layer. The upper seat body 1 is provided with an oil inlet 11 opposite to the transmission roller 3 and the transmission frame body 4, and the oil inlet 11 is communicated with the transmission groove 33. The bottom surface of the transmission groove 33 is obliquely arranged relative to the horizontal plane of the upper seat body 1 and the lower seat body 2, and the inclination direction of the bottom surface of the transmission groove 33 of the upper seat body 1 is opposite to that of the bottom surface of the transmission groove 33 of the lower seat body 2. The transmission frame body 4 positioned between the upper seat body 1 and the lower seat body 2 and the output mechanism 6 connected with the transmission frame body are radially limited by the transmission roller 3, so that the center deviation of the transmission frame body is avoided.

Deeply, corresponding to the transmission groove 33 with the inclined bottom surface, the joint surface of the transmission roller 3 and the transmission groove 33 is a conical surface and extends outwards relative to the transmission frame body 4, so that the end head of the transmission roller 3 and the side surface of the transmission groove 33 are ensured to play a limiting role relatively.

Further, the transmission frame body 4 is made of hard alloy, plays a supporting role on the transmission roller 3 and can bear the circumferential torque of the output mechanism 6. The transmission frame body 4 is provided with a mounting groove 41 for rotatably mounting the transmission roller 3, and openings of the mounting groove 41 are arranged at intervals relative to the upper end and the lower end of the transmission frame body 4. The bottom of the mounting groove 41 is arc-shaped, a gap is reserved between the mounting groove and the transmission roller 3, and the adjacent mounting grooves 41 are communicated with each other. The mounting grooves 41 each have a mounting hole 42 extending radially along the transmission frame 4, and the transmission roller 3 is rotatably connected to the transmission frame 4 by a mounting shaft 43 penetrating the mounting hole 42. When the transmission rollers 3 are assembled into the mounting grooves 41 one by one, they are then packaged with the upper and lower housings 1 and 2.

As shown in fig. 3, when a transmission end needs to be added, the output mechanism 6 is used for externally connecting a corresponding transmission disc body, or the output mechanism 6 is used for keeping the transmission frame body 4 circumferentially fixed. The output mechanism 6 comprises an output ring 61 arranged on the transmission frame body 4, the inner side of the output ring 61 is opposite to the outer sides of the upper seat body 1 and the lower seat body 2 in the circumferential direction, and the upper end, the lower end and the outer side of the output ring 61 are respectively provided with output holes 62 which are arranged in a central symmetry mode. The outer tray body or the frame body is assembled through the output hole 62 and the screw member, or the outer cylinder body is in concentric relative torsion with the upper seat body 1 or the lower seat body 2.

In addition, when it is necessary to ensure that the transmission frame 4 and the upper base 1 or the lower base 2 are transmitted together, the locking mechanism 5 is adjusted. The locking mechanism 5 includes locking grooves 51 provided on the outer sides of the upper and lower housings 1 and 2 in the circumferential direction, locking pins 52 opposite to the locking grooves 51 are slidably mounted on the inner side of the output ring 61, and a telescopic assembly is provided between the locking pins 52 and the output ring 61. The telescopic component drives the locking pin 52 to eject out and be inserted into the locking groove 51, so that the locking and fixing with the upper seat body 1 or the lower seat body 2 are realized.

As shown in fig. 4, in order to realize alternative locking with the upper seat 1 or the lower seat 2, the telescopic assembly comprises a telescopic hole 53 extending along the radial direction of an output ring 61, a locking pin 52 is slidably mounted in the telescopic hole 53 and provided with an elastic reset piece 54 therebetween, the output ring 61 is rotatably mounted with a telescopic ring 55, a guiding inclined plane 56 is provided between the inner side of the telescopic ring 55 and the locking pin 52, and the locking pin 52 slides along the telescopic ring 55 in a torsion manner relative to the telescopic hole 53 and is spliced or separated with the locking groove 51. The telescopic assembly between the upper seat body 1 and the transmission frame body 4 and the telescopic assembly between the upper seat body 1 and the transmission frame body 4 are arranged in a staggered manner in the circumferential direction, and when the telescopic ring 55 is rotated, alternative locking is realized due to different rotation directions.

The transmission frame 4 has a reference cylinder 44 facing the inner sides of the upper and lower housings 1 and 2, and the inner side of the reference cylinder 44 has a fixing groove 45 extending in the axial direction. The cavity for placing the upper seat body 1 and the lower seat body 2 is reserved between the reference cylinder 44 and the output ring 61, and after the upper seat body 1 and the lower seat body 2 are assembled, the central shaft is installed and fixed by utilizing the reference cylinder 44 and the fixing groove 45 thereof.

It is obvious that the upper end of the upper seat 1 and the lower end of the lower seat 2 are respectively flush with the upper and lower ends of the reference cylinder 44 and the output ring 61, and the corresponding synchronous disk bodies are additionally arranged to disperse the circumferential torque borne by the locking mechanism 5.

In summary, the principle of this embodiment is as follows: the transmission roller 3 is assembled in the transmission frame body 4, meanwhile, the upper seat body 1 and the lower seat body 2 rotate independently relative to the transmission frame body 4, the upper seat body 1 or the lower seat body 2 and the transmission frame body 4 rotate synchronously through the locking mechanism 5, and the transmission structure is expanded by the output mechanism 6, so that the complex multi-end transmission requirement is met.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms such as the upper housing 1, the oil inlet 11, the lower housing 2, the transmission roller 3, the upper roller 31, the lower roller 32, the transmission groove 33, the transmission frame 4, the mounting groove 41, the mounting hole 42, the mounting shaft 43, the reference cylinder 44, the fixing groove 45, the locking mechanism 5, the locking groove 51, the locking pin 52, the telescopic hole 53, the elastic restoring member 54, the telescopic ring 55, the guide slope 56, the output mechanism 6, the output ring 61, the output hole 62 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides a novel multiport thrust roller bearing, includes pedestal (1) and lower pedestal (2), upper pedestal (1) and lower pedestal (2) between rotate and install a plurality of central symmetry's transmission roller (3), transmission roller (3) rotate with transmission support body (4) and be connected, its characterized in that, transmission roller (3) have with upper pedestal (1) contact driven upper roller (31) and with lower pedestal (2) contact driven lower roller (32), upper roller (31) and lower roller (32) relative transmission support body (4) upper and lower interval arrangement, transmission support body (4) and upper pedestal (1) and lower pedestal (2) between be provided with locking mechanism (5), transmission support body (4) have output mechanism (6) of extension outwards.

2. The novel multi-end thrust roller bearing according to claim 1, wherein the upper seat body (1) and the lower seat body (2) are respectively provided with a transmission groove (33) for placing a transmission roller (3), the bottom surfaces of the transmission grooves (33) are obliquely arranged relative to the horizontal surfaces of the upper seat body (1) and the lower seat body (2), and the inclination directions of the bottom surfaces of the transmission grooves (33) of the upper seat body (1) and the bottom surfaces of the transmission grooves (33) of the lower seat body (2) are opposite.

3. The novel multi-end thrust roller bearing according to claim 2, wherein the joint surface of the transmission roller (3) and the transmission groove (33) is a conical surface and extends outwards relative to the transmission frame body (4).

4. The novel multi-end thrust roller bearing according to claim 1, wherein the transmission frame body (4) is provided with a mounting groove (41) for rotatably mounting the transmission roller (3), openings of the mounting groove (41) are arranged at intervals relative to the upper end and the lower end of the transmission frame body (4), the mounting groove (41) is respectively provided with a mounting hole (42) extending along the radial direction of the transmission frame body (4), and the transmission roller (3) is rotatably connected with the transmission frame body (4) through a mounting shaft (43) penetrating through the mounting hole (42).

5. The novel multi-end thrust roller bearing according to claim 1, wherein the output mechanism (6) comprises an output ring (61) arranged on the transmission frame body (4), the inner side of the output ring (61) is opposite to the outer sides of the circumferences of the upper seat body (1) and the lower seat body (2), and the upper end, the lower end and the outer side of the output ring (61) are respectively provided with output holes (62) which are arranged in a central symmetry mode.

6. The novel multi-end thrust roller bearing according to claim 5, wherein the locking mechanism (5) comprises locking grooves (51) arranged on the outer sides of the upper seat body (1) and the lower seat body (2) in the circumferential direction, locking pins (52) opposite to the locking grooves (51) are slidably arranged on the inner side of the output ring (61), and a telescopic assembly is arranged between the locking pins (52) and the output ring (61).

7. The novel multi-end thrust roller bearing of claim 6, wherein the telescopic assembly comprises telescopic holes (53) extending along the radial direction of the output ring (61), the locking pins (52) are slidably mounted in the telescopic holes (53) and are provided with elastic resetting pieces (54) between the telescopic holes, the output ring (61) is rotatably mounted with telescopic rings (55), guide inclined planes (56) are arranged between the inner sides of the telescopic rings (55) and the locking pins (52) opposite to each other, and the locking pins (52) slide along the telescopic holes (53) which are twisted relative to each other along with the telescopic rings (55) and are spliced or separated from the locking grooves (51).

8. The novel multi-end thrust roller bearing according to claim 5, wherein the transmission frame body (4) is provided with a reference cylinder (44) opposite to the inner sides of the upper seat body (1) and the lower seat body (2), and the inner side of the reference cylinder (44) is provided with a fixing groove (45) extending along the axial direction.

9. The novel multi-end thrust roller bearing of claim 8, wherein the upper end of the upper seat (1) and the lower end of the lower seat (2) are respectively flush with the upper end and the lower end of the reference cylinder (44) and the output ring (61).

10. The novel multi-end thrust roller bearing according to claim 1, wherein the upper seat body (1) is provided with an oil inlet (11) opposite to the transmission roller (3) and the transmission frame body (4).