CN211623981U

CN211623981U - Water-cooled bearing

Info

Publication number: CN211623981U
Application number: CN201922442079.4U
Authority: CN
Inventors: 邓仕洋
Original assignee: Jiangxi Hongwei Bearing Co ltd
Current assignee: Jiangxi Hongwei Bearing Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-02
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a bearing technical field especially relates to a water-cooling bearing. The existing water-cooled bearing mainly carries out circulating water cooling on a bearing outer ring, but a spiral water trough is difficult to process, and meanwhile, a water inlet and a water outlet are easy to flow in series, so that the cooling effect is poor. The utility model discloses an evenly be equipped with the water service ring groove at bearing frame hole middle part, in the bearing frame hole, water service ring groove both sides are equipped with O shape circle, run through on the bearing frame and be equipped with the limbers, and business turn over water subassembly sets up the inside at the limbers to seal with bearing inner race, limbers, make business turn over water subassembly can directly carry out hydrologic cycle through the water service ring groove, water service ring groove processing is simple, and the circulation path is short, has improved cooling efficiency effectively. The utility model discloses mainly used water-cooling bearing.

Description

Water-cooled bearing

Technical Field

The utility model relates to a bearing technical field especially relates to a water-cooling bearing.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. When the machine is used, if the condition that the temperature of the bearing is too high and the bearing is hot is found, the machine generally has a fault, if the condition that the temperature of the bearing is too high and the bearing is hot is not found in time and is correctly processed, the effect of getting half the effort can be caused, and if the condition is more serious, the service life of the bearing can be shortened, the overhaul cost is increased, and even the bearing is scrapped, which are all possible things. The existing water-cooled bearing mainly carries out circulating water cooling on a bearing outer ring, but a spiral water trough is difficult to process, and meanwhile, a water inlet and a water outlet are easy to flow in series, so that the cooling effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a water-cooling bearing that the radiating effect is good.

The technical scheme of the utility model as follows:

a water-cooled bearing comprises a bearing seat 1, a bearing outer ring 2, a steel ball 3, a steel ball retainer 4, a water inlet and outlet assembly 5 and a bearing inner ring 6; the bearing inner ring 6 is arranged in an inner hole of the bearing outer ring 2, the bearing inner ring 6 and the bearing outer ring 2 are coaxial, the steel balls 3 are uniformly arranged between the bearing inner ring 6 and the bearing outer ring 2, the bearing inner ring 6 is rotatably connected with the bearing outer ring 2 through the steel balls 3, the steel ball retainer 4 is arranged between the bearing inner ring 6 and the bearing outer ring 2, the steel balls 3 are uniformly embedded on the steel ball retainer 4, the bearing outer ring 2 is arranged in an inner hole of the bearing seat 1, the water through ring grooves 11 are uniformly arranged in the middle of the inner hole of the bearing seat 1, O-shaped rings 13 are arranged in the inner hole of the bearing seat 1 and on two sides of the water through ring grooves 11, the upper end of the bearing seat 1 is provided with water through holes 12 in a penetrating manner, and the water.

Preferably, the water inlet and outlet assembly 5 comprises a water through connector 51, a water inlet pipe 52, a water outlet pipe 54, an elastic inner hole plug 57 and a water flow equalizing groove 59; an elastic inner hole plug 57 is provided in the water passage hole 12, water flow equalizing grooves 59 are provided on both sides of the bottom of the elastic inner hole plug 57, and a water inlet pipe 52 and a water outlet pipe 54 are respectively provided on both sides of the upper end of the elastic inner hole plug 57 and communicate with the water flow equalizing grooves 59 through a water connection 51.

Preferably, a nut 55 is vertically arranged in the middle of the upper end of the elastic inner hole plug 57, a pressing groove 58 is arranged below the nut 55, an expansion screw 53 is arranged in the inner hole of the nut 55, the expansion screw 53 is in threaded connection with the nut 55, and a pressing ball head 56 is arranged at the lower end of the expansion screw 53.

Preferably, the material of the elastic inner hole plug 57 is hydrogenated nitrile rubber.

The beneficial effects of the utility model reside in that:

1. through evenly being equipped with the water ring groove at bearing frame hole middle part, in the bearing frame hole, water ring groove both sides are equipped with O shape circle, run through on the bearing frame and be equipped with the limbers, business turn over water subassembly sets up in the inside of limbers to sealed with bearing inner race, limbers, make business turn over water subassembly can directly carry out hydrologic cycle through water ring groove, the processing of water ring groove is simple, and the circulation path is short, has improved cooling efficiency effectively.

2. Through setting up elasticity hole stopper in the limbers, rivers divide equally the groove setting in elasticity hole stopper bottom both sides, inlet tube and outlet pipe set up respectively in elasticity hole stopper upper end both sides to divide equally the groove intercommunication through water joint and rivers, make the cooling water in the inlet tube can divide equally through the slit that rivers divide equally groove and bearing inner race formed, realize rivers, improved radiating homogeneity effectively.

3. Through erecting at elasticity hole stopper upper end middle part and being equipped with the nut, be equipped with the extrusion groove in the nut below, be equipped with the tight screw that expands in the nut hole, the tight screw that expands is equipped with the extrusion bulb at the tight screw lower extreme that expands for the extrusion bulb can insert the extrusion groove under the drive of the tight screw that expands, realizes that the excircle and the top of elasticity hole stopper can be sealed with the delivery port, the extrusion of bearing inner race, can not take place to series flow, has improved the sealed effect of elasticity hole stopper effectively.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a partial view a of the present invention;

fig. 3 is an axial view of the bearing seat of the present invention;

in the figure: the water inlet and outlet device comprises a bearing seat 1, a bearing outer ring 2, a steel ball 3, a steel ball retainer 4, a water inlet and outlet assembly 5, a bearing inner ring 6, a water through ring groove 11, a water through hole 12, an O-shaped ring 13, a water through joint 51, a water inlet pipe 52, an expansion screw 53, a water outlet pipe 54, a nut 55, an extrusion ball head 56, an elastic inner hole plug 57, an extrusion groove 58 and a water flow uniform distribution groove 59.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-3, in a preferred embodiment of the present invention, the water-cooled bearing comprises a bearing seat 1, a bearing outer ring 2, a steel ball 3, a steel ball retainer 4, a water inlet and outlet assembly 5 and a bearing inner ring 6; the bearing inner ring 6 is arranged in an inner hole of the bearing outer ring 2, the bearing inner ring 6 and the bearing outer ring 2 are coaxial, the steel balls 3 are uniformly arranged between the bearing inner ring 6 and the bearing outer ring 2, the bearing inner ring 6 is rotationally connected with the bearing outer ring 2 through the steel balls 3, the steel ball retainer 4 is arranged between the bearing inner ring 6 and the bearing outer ring 2, the steel balls 3 are uniformly embedded on the steel ball retainer 4, the bearing outer ring 2 is arranged in an inner hole of the bearing seat 1, the water through ring groove 11 is uniformly arranged in the middle of the inner hole of the bearing seat 1, O-shaped rings 13 are arranged in the inner hole of the bearing seat 1 and on two sides of the water through ring groove 11, the upper end of the bearing seat 1 is provided with a water through hole 12 in a penetrating way, the water inlet and outlet component 5 is arranged in the water through hole 12 and sealed with the bearing outer ring 2 and, the cooling efficiency is effectively improved. The water inlet and outlet component 5 comprises a water joint 51, a water inlet pipe 52, a water outlet pipe 54, an elastic inner hole plug 57 and a water flow equalizing groove 59; elasticity inner hole stopper 57 sets up in limbers 12, rivers equipartition groove 59 sets up in elasticity inner hole stopper 57 bottom both sides, inlet tube 52 and outlet pipe 54 set up respectively in elasticity inner hole stopper 57 upper end both sides, and communicate with rivers equipartition groove 59 through water service joint 51, the material of elasticity inner hole stopper 57 is hydrogenated butadiene acrylonitrile rubber, make the cooling water in the inlet tube can be through the slit that rivers equipartition groove and bearing inner race formed, realize rivers and equally divide, radiating homogeneity has been improved effectively. Erect at elasticity inside hole stopper 57 upper end middle part and be equipped with nut 55, be equipped with extrusion groove 58 below nut 55, be equipped with the tight screw 53 that expands in the nut 55 hole, the tight screw 53 that expands is connected with nut 55 threaded connection, be equipped with extrusion bulb 56 at the tight screw 53 lower extreme that expands for the extrusion bulb can insert the extrusion groove under the drive of the tight screw that expands, realize the excircle and the top of elasticity inside hole stopper can with the limbers, the extrusion seal of bearing outer lane, the sealed effect of elasticity inside hole stopper has been improved effectively.

The working principle is as follows:

when the bearing inner ring and the bearing outer ring rotate relatively to generate a large amount of heat, a water pump (not shown in the figure) pumps condensed water out of a condenser (not shown in the figure) and pumps the condensed water into the elastic inner hole plug through a water inlet pipe, the condensed water passes through a slit formed by the water flow equalizing groove and the bearing outer ring to realize water flow equalizing, then the equalized water flow circularly cools the bearing outer ring through the water circulating groove, and then the water flows into the condenser (not shown in the figure) through a water outlet pipe to be cooled.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A water-cooled bearing, its characterized in that: the bearing comprises a bearing seat (1), a bearing outer ring (2), a steel ball (3), a steel ball retainer (4), a water inlet and outlet assembly (5) and a bearing inner ring (6); bearing inner race (6) set up in bearing inner race (2) hole, bearing inner race (6) and bearing outer race (2) are coaxial, steel ball (3) evenly set up between bearing inner race (6) and bearing outer race (2), bearing inner race (6) rotate with bearing outer race (2) through steel ball (3) and are connected, steel ball holder (4) set up between bearing inner race (6) and bearing outer race (2), steel ball (3) evenly inlay on steel ball holder (4), bearing outer race (2) set up in bearing frame (1) hole middle part evenly is equipped with water service ring groove (11) in bearing frame (1) hole, water service ring groove (11) both sides are equipped with O shape circle (13) bearing frame (1) upper end runs through and is equipped with limbers (12), business turn over water subassembly (5) set up the inside at limbers (12), and is sealed with the bearing outer ring (2) and the water through hole (12).

2. A water-cooled bearing according to claim 1, wherein: the water inlet and outlet assembly (5) comprises a water connector (51), a water inlet pipe (52), a water outlet pipe (54), an elastic inner hole plug (57) and a water flow uniform groove (59); the elastic inner hole plug (57) is arranged in the water through hole (12), the water flow equalizing grooves (59) are formed in two sides of the bottom of the elastic inner hole plug (57), and the water inlet pipe (52) and the water outlet pipe (54) are respectively formed in two sides of the upper end of the elastic inner hole plug (57) and are communicated with the water flow equalizing grooves (59) through the water connectors (51).

3. A water-cooled bearing according to claim 2, wherein: the elastic inner hole plug (57) is characterized in that a nut (55) is vertically arranged in the middle of the upper end of the elastic inner hole plug (57), an extrusion groove (58) is arranged below the nut (55), an expansion screw (53) is arranged in an inner hole of the nut (55), the expansion screw (53) is in threaded connection with the nut (55), and an extrusion ball head (56) is arranged at the lower end of the expansion screw (53).

4. A water-cooled bearing according to claim 2, wherein: the elastic inner hole plug (57) is made of hydrogenated nitrile rubber.