CN211231314U

CN211231314U - Wear-resistant rotary bearing seat

Info

Publication number: CN211231314U
Application number: CN201921459326.5U
Authority: CN
Inventors: 田思想; 朱贺
Original assignee: Xuzhou Jinma Slewing Bearing Manufacturing Co ltd
Current assignee: Xuzhou Jinma Slewing Bearing Manufacturing Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-08-11
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a slewing bearing technical field's a stand wear and tear slewing bearing seat, including the step, the inside pipeline that sets up of bearing inner race, set up the cushion socket between bearing inner race and the pipeline, the inside bearing inner race that sets up of pipeline, the inside internal gear that sets up of bearing inner race, the internal gear is equipped with the shaft hole, the shaft hole outside sets up the filling hole, shaft hole right side upper portion sets up the locating hole, set up tooth on the internal gear outer wall, the inside rubber ring that sets up of internal gear, the rubber ring is equipped with the outer loop, the inside stationary blade that sets up of outer loop, set up the gasket between outer loop and the stationary blade, the inside connection axle collar that sets up of stationary blade, set up outer ball between. The inside rubber ring that sets up in shaft hole closely laminates with the bearing, reduces the wearing and tearing between the inside and bearing in shaft hole, prolongs holistic life of bearing frame.

Description

Wear-resistant rotary bearing seat

Technical Field

The utility model relates to a slewing bearing technical field specifically is a stand wear and tear slewing bearing.

Background

The rotary bearing seat is a large-scale bearing capable of bearing comprehensive loads, and can simultaneously bear larger axial loads, radial loads and overturning moments, the rotary bearing seat generally has a mounting hole, an internal gear or an external gear and other structures, and is mainly used for performing rotary motion on a large-scale rotary device of equipment such as hoisting machinery, construction machinery, port machinery and the like, the existing bearing seats are very large in type and quantity, but most of the bearing seats are poor in damping effect, friction is generated between the bearing and the bearing seat in the using process, the bearing seat is abraded due to long-time working state, the working efficiency of the bearing seat is influenced, and the service life of the bearing seat is shortened. To this end, we propose a wear resistant swivel bearing block.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary bearing seat that stand wear and tear to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wear-resistant rotary bearing seat comprises a lower bearing seat, bolt holes are formed in the left side and the right side of the bottom of the lower bearing seat, an upper bearing seat is arranged on the upper portion of the lower bearing seat, a left nut is arranged on the left side of the upper end of the upper bearing seat, a left bolt is arranged at the bottom of the left nut, a left fixing pin is arranged on the right side of the left bolt, a right nut is arranged on the right side of the upper end of the upper bearing seat, a right bolt is arranged on the bottom of the right nut, a right fixing pin is arranged on the left side of the left bolt, a bearing outer ring is arranged between the left fixing pin and the right fixing pin, a pipeline is arranged in the bearing outer ring, a shock absorption seat is arranged between the bearing outer ring and the pipeline, a water inlet hole is formed in the left side of the upper end of the pipeline, the water outlet pipe is arranged on the outer wall of the right side of the upper end of the upper bearing seat, the inner bearing ring is arranged in the pipeline, the inner gear is arranged in the inner bearing ring, the inner ball is arranged between the inner bearing ring and the inner gear, the inner gear is provided with a shaft hole, filling holes are arranged on the outer side of the shaft hole, a positioning hole is arranged on the upper portion of the right side of the shaft hole and is arranged between the two filling holes on the right side, teeth are arranged on the outer wall of the inner gear, a rubber ring is arranged in the inner gear and is provided with an outer ring, a fixing plate is arranged in the outer ring, a gasket is arranged between the outer ring and the fixing plate, a connecting shaft collar is arranged in the fixing plate, the outer ball is arranged between the fixing plate and, and a positioning rod is arranged between the fixing frame and the hanging ring.

Preferably, four groups of filling holes are arranged, the filling holes are uniformly formed in the same circumference of the front end face of the inner gear, and foamed aluminum is arranged inside the filling holes.

Preferably, the upper end and the lower end in the shaft hole are provided with key grooves, and the key grooves correspond to each other in position.

Preferably, the fixing piece is made of aluminum alloy, the gasket is made of rubber, and the fixing piece and the gasket are connected through an adhesive.

Preferably, the cushion socket is equipped with the multiunit, the cushion socket is evenly installed between bearing inner race and pipeline, the cushion socket is equipped with the supporting seat, it sets up the bottom sprag seat to go up the supporting seat bottom, the bottom sprag seat upper portion left and right sides all sets up the guide post, it sets up damping spring to go up between supporting seat and the bottom sprag seat, the bottom sprag seat bottom sets up damping shim.

Compared with the prior art, the beneficial effects of the utility model are that: the inner gear passes through keyway installation bearing, inner gear center and axle center coincide mutually, during high-speed rotatory, can not produce centrifugal force, the inside rubber ring that sets up in shaft hole closely laminates with the bearing, reduce the wearing and tearing between the inside and bearing in shaft hole, the holistic life of extension bearing frame, when the bearing frame is in operating condition, bearing inner race atress, go up the inside back and forth movement of support seat along the left and right sides guide post at the spout of the bottom suspension seat inner wall left and right sides, damping spring effectively alleviates the shaking force between last support seat and the bottom suspension seat, slow down bearing inner race and bolster bearing housing, the impact between bottom suspension seat and the pipeline, avoid bearing inner race direct impact to go up bottom suspension seat and pipeline, cause the damage of bearing inner race and.

Drawings

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

FIG. 2 is a schematic view of the internal gear of the present invention;

FIG. 3 is a schematic view of the structure of the rubber ring of the present invention;

fig. 4 is a schematic view of the structure of the shock absorbing seat of the present invention.

In the figure: 1 bearing seat, 2 left nut, 3 left bolt, 4 left fixed pin, 5 lower bearing seat, 6 bolt holes, 7 bearing outer ring, 8 shock-absorbing seat, 81 upper supporting seat, 82 guide post, 83 lower supporting seat, 84 shock-absorbing spring, 85 shock-absorbing gasket, 9 pipeline, 10 bearing inner ring, 11 inner ball, 12 inner gear, 121 teeth, 122 positioning hole, 123 shaft hole, 124 filling hole, 13 rubber ring, 131 outer ring, 132 gasket, 133 fixing piece, 134 connecting shaft collar, 135 outer ball, 14 right fixed pin, 15 right bolt, 16 right nut, 17 water outlet channel, 18 water outlet pipe, 19 fixing frame, 20 lifting ring, 21 positioning rod, 22 water inlet channel, 23 water inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a wear-resistant rotary bearing seat comprises a lower bearing seat 5, bolt holes 6 are respectively arranged on the left side and the right side of the bottom of the lower bearing seat 5, an upper bearing seat 1 is arranged on the upper portion of the lower bearing seat 5, a left nut 2 is arranged on the left side of the upper end of the upper bearing seat 1, a left bolt 3 is arranged at the bottom of the left nut 2, a left fixing pin 4 is arranged on the right side of the left bolt 3, a right nut 16 is arranged on the right side of the upper end of the upper bearing seat 1, a right bolt 15 is arranged at the bottom of the right nut 16, a right fixing pin 14 is arranged on the left side of the right bolt 15, the lower bearing seat 5 is connected with the upper bearing seat 1 through the left fixing pin 4 and the right fixing pin 14, the left bolt 3 and the right bolt 15 penetrate through the upper bearing seat 1 and the lower bearing seat 5 and are respectively fixed by the left nut 2 and the, the pipeline 9 is arranged in the bearing outer ring 7, the shock absorption seat 8 is arranged between the bearing outer ring 7 and the pipeline 9, the impact force between the bearing outer ring 7 and the upper bearing seat 1, between the lower bearing seat 5 and between the bearing outer ring 7 and the pipeline 9 is effectively reduced, the damage to the bearing outer ring 7 and the pipeline 9 caused by the fact that the bearing outer ring 7 directly impacts the upper bearing seat and the lower bearing seat and the pipeline 9 is avoided, the left side of the upper end of the pipeline 9 is provided with a water inlet duct 22, the upper end of the water inlet duct 22 is provided with a water inlet pipe 23, the water inlet pipe 23 is arranged on the left outer wall of the upper end of the upper bearing seat 1, the right side of the upper end of the pipeline 9 is provided with a water outlet duct 17, the water outlet duct 18 is arranged on the right outer wall of the upper end of the upper bearing seat 1, cooling water flows in through the water inlet pipe, the friction force is reduced, a bearing inner ring 10 is arranged inside the pipeline 9, an inner gear 12 is arranged inside the bearing inner ring 10, inner balls 11 are arranged between the bearing inner ring 10 and the inner gear 12, the inner gear 12 is provided with a shaft hole 123, a filling hole 124 is arranged outside the shaft hole 123, a positioning hole 122 is arranged on the upper portion of the right side of the shaft hole 123, the positioning hole 122 is arranged between the two filling holes 124 on the right side, teeth 121 are arranged on the outer wall of the inner gear 12, a rubber ring 13 is arranged inside the inner gear 12, an outer ring 131 is arranged on the rubber ring 13, a fixing plate 133 is arranged inside the outer ring 131, a gasket 132 is arranged between the outer ring 131 and the fixing plate 133, a connecting shaft collar 134 is arranged inside the fixing plate 133, outer balls 135 are arranged between the fixing plate 133 and the connecting shaft collar 134, the inner gear 12 is provided with, reduce the wearing and tearing between the inside and bearing of shaft hole 123, prolong the holistic life of bearing frame, bolster bearing housing 1 upper end sets up mount 19, mount 19 is installed inside bolster bearing housing 1, bolster bearing housing 1 is inside to be set up the mounting groove corresponding with mount 19, the mounting groove left and right sides inner wall sets up the spout, sliding connection between mount 19 and the spout, mount 19 is installed between inlet tube 23 and outlet pipe 18, mount 19 upper end sets up rings 20, set up locating lever 21 between mount 19 and the rings 20.

The four groups of filling holes 124 are arranged, the filling holes 124 are uniformly arranged on the same circumference of the front end face of the internal gear 12, and the foamed aluminum is arranged in the filling holes 124 and can be effectively absorbed by the foamed aluminum when the internal gear 12 rotates and is vibrated, so that the noise and vibration generated by the internal gear 12 are reduced, and the service life of the internal gear is prolonged;

key grooves are formed in the upper end and the lower end of the interior of the shaft hole 123, the positions of the key grooves correspond to each other, a bearing is installed through the key grooves, the center of the inner gear 12 is overlapped with the axis, centrifugal force cannot be generated during high-speed rotation, and abrasion between the key grooves and the bearing is reduced;

the fixing sheet 133 is made of aluminum alloy, the gasket 132 is made of rubber, the fixing sheet 133 and the gasket 132 are connected through an adhesive, and the rubber ring 13 is installed on the outer wall of the bearing, so that the bearing is firm, wear-resistant and long in service life;

the cushion socket 8 is equipped with the multiunit, cushion socket 8 evenly installs between bearing inner race 7 and pipeline 9, cushion socket 8 is equipped with supporting seat 81, it sets up lower support seat 83 to go up supporting seat 81 bottom, the upper portion left and right sides of lower support seat 83 all sets up guide post 82, set up damping spring 84 between last supporting seat 81 and the lower support seat 83, lower support seat 83 bottom sets up damping shim 85, it is inside back and forth movement in the spout of the lower support seat 83 inner wall left and right sides along left and right sides guide post 82 to go up supporting seat 81, damping spring 84 effectively alleviates the shaking force between last supporting seat 81 and the lower support seat 83, slow down bearing inner race 7 and bolster bearing housing 1, the impact between lower bearing housing 5 and the pipeline 9, avoid bearing inner race 7 directly to strike lower bearing housing and pipeline 9, cause the damage of bearing inner race 7 and pipeline 9.

The working principle is as follows: the lower bearing seat 5 and the upper bearing seat 1 are connected through a left fixing pin 4 and a right fixing pin 14, a left bolt 3 and a right bolt 15 penetrate through the upper bearing seat 1 and the lower bearing seat 5 and are respectively fixed by a left nut 2 and a right nut 16, when the bearing seat is installed, a hanging ring 20 fixing frame 19 is pulled to slide out from the inside of the upper bearing seat 5, the upper bearing seat 1 is separated from the lower bearing seat 5, a bearing is installed on an internal gear 12 through a key groove, the center of the internal gear 12 is coincided with the axis, a rubber ring 13 is arranged inside a shaft hole 123 and is tightly attached to the bearing, the abrasion between the inside of the shaft hole 123 and the bearing is reduced, when the bearing seat is in a working state, a bearing outer ring 7 is stressed, an upper supporting seat 81 moves back and forth along guide columns 82 on the left side and the right side and inside chutes on the left side and right side of the inner wall of, the bearing outer ring 7 and the pipeline 9 are damaged, after the installation is completed, the upper bearing cover and the lower bearing cover are fixed, cooling water flows in through the water inlet pipe 23, the cooling water enters the bearing outer ring 8 through the pipeline 9, heat generated by the bearing inner ring 10 is taken away through the water outlet pipe 18, the heat generated by the bearing inner ring 10 in a long-time working state is reduced, and the friction force of the bearing inner ring is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A wear resistant swivel bearing housing comprising a lower housing (5) characterized by: the bearing comprises a lower bearing seat (5), bolt holes (6) are formed in the left side and the right side of the bottom of the lower bearing seat (5), an upper bearing seat (1) is arranged on the upper portion of the lower bearing seat (5), a left nut (2) is arranged on the left side of the upper end of the upper bearing seat (1), a left bolt (3) is arranged on the bottom of the left nut (2), a left fixing pin (4) is arranged on the right side of the left bolt (3), a right nut (16) is arranged on the right side of the upper end of the upper bearing seat (1), a right bolt (15) is arranged on the bottom of the right nut (16), a right fixing pin (14) is arranged on the left side of the right bolt (15), a bearing outer ring (7) is arranged between the left fixing pin (4) and the right fixing pin (14), a pipeline (9) is arranged inside the bearing outer ring (7), a damping, the utility model discloses a bearing, including bearing seat (1), inlet channel (22), outlet channel (17), outlet channel (18) and gear (12), inlet channel (22) upper end sets up inlet tube (23), inlet tube (23) set up on bolster bearing seat (1) upper end left side outer wall, pipeline (9) upper end right side sets up outlet channel (17), outlet channel (17) upper end sets up outlet pipe (18), outlet pipe (18) set up on bolster bearing seat (1) upper end right side outer wall, the inside bearing inner race (10) that sets up of pipeline (9), the inside internal gear (12) that sets up of bearing inner race (10), set up interior ball (11) between bearing inner race (10) and internal gear (12), internal gear (12) are equipped with shaft hole (123), shaft hole (123) outside sets up filling hole (124), shaft hole (123) right side upper portion sets up locating hole, the utility model discloses an inner gear (12) inside sets up rubber ring (13), rubber ring (13) are equipped with outer loop (131), the inside stationary blade (133) that sets up of outer loop (131), set up gasket (132) between outer loop (131) and stationary blade (133), stationary blade (133) inside sets up connection collar (134), set up outer ball (135) between stationary blade (133) and connection collar (134), bolster bearing housing (1) upper end sets up mount (19), mount (19) are installed between inlet tube (23) and outlet pipe (18), mount (19) upper end sets up rings (20), set up locating lever (21) between mount (19) and rings (20).

2. A wear-resistant swivel bearing housing according to claim 1, wherein: the four groups of filling holes (124) are arranged, the filling holes (124) are uniformly arranged on the same circumference of the front end face of the inner gear (12), and foamed aluminum is arranged in the filling holes (124).

3. A wear-resistant swivel bearing housing according to claim 1, wherein: and key grooves are formed in the upper end and the lower end of the inside of the shaft hole (123), and the positions of the key grooves are corresponding.

4. A wear-resistant swivel bearing housing according to claim 1, wherein: the fixing sheet (133) is made of aluminum alloy, the gasket (132) is made of rubber, and the fixing sheet (133) and the gasket (132) are connected through an adhesive.

5. A wear-resistant swivel bearing housing according to claim 1, wherein: shock attenuation seat (8) are equipped with the multiunit, shock attenuation seat (8) evenly install between bearing inner race (7) and pipeline (9), shock attenuation seat (8) are equipped with supporting seat (81), it sets up bottom suspension seat (83) to go up supporting seat (81) bottom, bottom suspension seat (83) upper portion left and right sides all sets up guide post (82), it sets up damping spring (84) to go up between supporting seat (81) and bottom suspension seat (83), bottom suspension seat (83) bottom sets up damping shim (85).