CN112377450A

CN112377450A - Fan of steady operation

Info

Publication number: CN112377450A
Application number: CN202011191350.2A
Authority: CN
Inventors: 邹腊年; 徐飞飞; 刘博�; 张佩玉
Original assignee: Shaoxing Shangyu District Institute Of Technology
Current assignee: Shaoxing Shangyu District Institute Of Technology
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-19

Abstract

The invention discloses a fan capable of running stably, which is characterized by comprising the following components: the rack is provided with a supporting part which is annular, and an annular oil storage tank is coaxially arranged in the supporting part; the bearing is coaxially embedded in the oil storage tank, and a sealing cavity for storing lubricating oil is formed between the bearing and the oil storage tank; the fan assembly comprises a rotating shaft, fan blades and a driving piece, wherein the rotating shaft penetrates through the inner ring of the bearing, the fan blades are arranged in the rotating shaft, and the output end of the driving piece is connected with the rotating shaft so as to drive the rotating shaft to rotate. And the frame is provided with a supporting part, the bearing is arranged in the oil storage tank, and the bearing and the oil storage tank form a sealed cavity. The lubricating oil is filled in the sealing cavity, and the lubricating oil in the sealing cavity can continuously supplement the lubricating oil for the bearing, so that the bearing is fully lubricated, and the phenomenon that the bearing is not lubricated fully because the lubricating oil of the bearing runs off in the use process of the fan is avoided. The problem that the rotation of the rotating shaft is influenced due to poor bearing lubrication is avoided, and the stable operation of the fan is further ensured.

Description

Fan of steady operation

Technical Field

The invention relates to the field of mechanical equipment, in particular to a stably-operating fan.

Background

The fan is a machine which increases gas pressure and discharges gas by means of input mechanical energy, is a Chinese habit short for gas compression and gas conveying machines, and is widely applied to working scenes such as ventilation, dust exhaust, cooling and the like.

Because the working environment of the fan is severe, the bearing in the fan needs to bear the impact of high-speed airflow and the influence of high temperature and high pressure, so that the lubricating oil of the bearing volatilizes, and further the lubrication of the bearing is influenced. The bearing with poor lubrication can influence the normal rotation of the rotating shaft, and can increase noise and vibration in the use process of the fan to influence the stable operation of the fan.

Disclosure of Invention

The invention aims to overcome the technical defects, provides a stably-operating fan and solves the technical problem that the stable operation of the fan is influenced due to insufficient lubrication of a bearing of the fan in the prior art.

In order to achieve the above technical object, the technical solution of the present invention includes a stably operating fan, including:

the support part is annular, and an annular oil storage tank is coaxially arranged on the inner edge of the support part;

the bearing is characterized in that at least part of the outer ring of the bearing is coaxially embedded in the oil storage tank, and a sealing cavity for storing lubricating oil is formed between the bearing and the oil storage tank;

the fan assembly comprises a rotating shaft, fan blades and a driving piece, wherein the rotating shaft penetrates through the inner ring of the bearing, the fan blades are arranged in the rotating shaft, and the output end of the driving piece is connected with the rotating shaft so as to drive the rotating shaft to rotate.

Further, the outer edge of the oil storage tank extends to form a clamping end, the bearing outer ring is provided with a clamping groove, and the clamping end is matched with the clamping groove.

Further, the supporting part is provided with an oil inlet pipe and an oil outlet pipe, one end of the oil inlet pipe is communicated with the sealed cavity, the other end of the oil inlet pipe is communicated with the oil supply device, one end of the oil outlet pipe is communicated with the sealed cavity, and the other end of the oil outlet pipe is communicated with the oil storage device.

Furthermore, the frame still has the draft tube, place in the pivot is coaxial in the draft tube, the flabellum free end is close to the draft tube inner wall.

Furthermore, the air inlet end of the guide cylinder is provided with a filter screen.

Further, a rubber pad is embedded in the oil storage tank.

Further, an oil inlet is formed in the bearing outer ring and communicated with the sealing cavity.

Furthermore, a filtering device is arranged at the position of the oil inlet pipe.

Compared with the prior art, the invention has the beneficial effects that: firstly, the frame is fixed on a reliable connecting surface, the frame is provided with a supporting part, the bearing is arranged in the oil storage tank, and the bearing and the oil storage tank form a sealed cavity. In the actual use, filling lubricating oil in the seal chamber, lubricating oil in the seal chamber can constantly give bearing replenishment lubricating oil, makes the bearing fully lubricated, has avoided the fan to lead to the insufficient phenomenon of bearing lubrication because the lubricating oil of bearing runs off in the use. And then avoided bearing lubrication badly and influenced the rotation of pivot, and then guaranteed the steady operation of fan.

Drawings

FIG. 1 is a schematic structural view of a stably operating blower in accordance with an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an inner wall of a draft tube according to an embodiment of the present invention;

fig. 3 is a schematic view of an assembly structure of a bearing according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present invention provides a stably operating blower, which includes a frame 100, a bearing 200, and a fan assembly 300, wherein the frame 100 is used for supporting other components, the bearing 200 is used for supporting a rotating shaft of the blower, and the fan assembly 300 is used for propelling an air flow.

The frame 100 has a supporting portion 110, the supporting portion 110 is annular, an annular oil storage tank 111 is coaxially disposed along an inner edge of the supporting portion 110, the oil storage tank 111 is disposed to fix the bearing 200, and a space is required to be reserved between the oil storage tank 111 and the bearing 200 for storing lubricating oil.

Referring to fig. 3, in the bearing 200, at least a portion of an outer ring of the bearing 200 is coaxially embedded in the oil storage tank 111, a sealing cavity is formed between the bearing 200 and the oil storage tank 111, a clamping end 111a extends from an outer edge of the oil storage tank 111, a clamping groove 210 is formed in the outer ring of the bearing 200, and the clamping groove 210 is matched with the clamping end 111 a. An oil inlet 220 is formed in the outer ring of the bearing 200, and the oil inlet 220 is communicated with the sealing cavity. A rubber pad is embedded in the oil reservoir 111, thereby improving the sealing property between the bearing 200 and the oil reservoir 111.

In consideration of the fact that the lubricating oil of the bearing 200 is continuously lost during the long-term use of the fan, and the lubrication in the sealed cavity is reduced, in this embodiment, in order to supplement the lubricating oil into the sealed cavity, the support portion 110 further has an oil inlet pipe 112 and an oil outlet pipe 113, one end of the oil inlet pipe 112 is communicated with the sealed cavity, the other end of the oil inlet pipe is communicated with the oil supply device, one end of the oil outlet pipe 113 is communicated with the sealed cavity, and the other end of the oil outlet pipe is communicated with the. For the selection of the oil supply equipment, an oil pump can be selected for oil supply, while the oil storage equipment is mainly used for recovering the lubricating oil, and an oil tank can be used for storing the lubricating oil from the oil outlet pipe 113.

Meanwhile, in order to avoid the lubricating oil from being contaminated with impurities, which may cause the impurities to enter the seal cavity to affect the lubrication of the bearing, in this embodiment, the oil inlet pipe 112 is provided with a filtering device 112a, and the filtering device 112a is used to filter the impurities in the lubricating oil, thereby preventing the impurities from affecting the lubrication of the bearing 200.

Referring to fig. 1 again, the fan assembly 300 includes a rotating shaft 310, fan blades 320 and a driving member 330, the rotating shaft 310 penetrates through an inner ring of the bearing 200, the fan blades 320 are mounted on the rotating shaft 310, and an output end of the driving member 330 is connected to the rotating shaft 310 to drive the rotating shaft 310 to rotate. In this embodiment, the driving member 330 is preferably a motor, and the transmission manner between the output end of the motor and the rotating shaft 310 can be adjusted according to the actual installation situation.

In order to fully utilize the kinetic energy generated by the fan assembly 300, the frame 100 further has a guide cylinder 120, the rotating shaft 310 is coaxially disposed in the guide cylinder 120, and the free end of the fan blade 320 is close to the inner wall of the guide cylinder 120. The guide cylinder 120 is utilized to collect wind energy generated by the fan assembly 300, and a filter screen 121 is disposed at an air inlet end of the guide cylinder 120 to prevent impurities from winding the fan blade 320 and affecting rotation of the fan blade 320. The filter screen 121 is used to block the sundries, thereby preventing the sundries from winding the fan blades.

Referring to fig. 2, in order to prevent the support portion 110 from blocking the airflow in the guide cylinder 120, the support portion 110 extends outward by a plurality of connecting ribs 114, and the connecting ribs 114 support the main body of the support portion 110. In addition, the oil inlet pipe 112 and the oil outlet pipe 113 are respectively built in one of the joint ribs 114.

The frame 100 is first fixed to a reliable connection surface, and the frame 100 has the support portion 110 thereon, and the bearing 200 is installed in the oil reservoir 111, and the bearing 200 and the oil reservoir 111 form a sealed chamber. In the actual use process, the sealing cavity is filled with lubricating oil, and the lubricating oil in the sealing cavity can continuously supplement the lubricating oil for the bearing 200, so that the bearing 200 is fully lubricated, and the phenomenon that the bearing is not fully lubricated due to the loss of the lubricating oil of the bearing 200 in the use process of the fan is avoided. Further, the influence on the rotation of the rotating shaft due to poor lubrication of the bearing 200 is avoided, and the stable operation of the fan is further ensured.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A stably operating fan, comprising:

2. The stably operating blower according to claim 1, wherein a clamping end extends from an outer edge of the oil storage tank, a clamping groove is formed in the bearing outer ring, and the clamping groove is matched with the clamping end.

3. The stably operating blower according to claim 1, wherein the support portion has an oil inlet pipe and an oil outlet pipe, the oil inlet pipe having one end communicating with the seal chamber and the other end communicating with an oil supply device, the oil outlet pipe having one end communicating with the seal chamber and the other end communicating with an oil storage device.

4. The stably operating blower according to claim 1, wherein the frame further has a guide cylinder, the rotating shaft is coaxially arranged in the guide cylinder, and the free end of the fan blade is close to the inner wall of the guide cylinder.

5. The stably operating blower of claim 1, wherein the air inlet end of the draft tube is provided with a screen.

6. The stably operating blower of claim 1, wherein a rubber pad is embedded in the oil storage tank.

7. The stably operating fan of claim 1, wherein the bearing outer race defines an oil inlet, and the oil inlet communicates with the seal cavity.

8. The stably operating fan of claim 3 wherein a filter is mounted at the oil inlet pipe.