CN205207251U - Bearing box for boiler induced -draft fan - Google Patents
Bearing box for boiler induced -draft fan Download PDFInfo
- Publication number
- CN205207251U CN205207251U CN201521087747.1U CN201521087747U CN205207251U CN 205207251 U CN205207251 U CN 205207251U CN 201521087747 U CN201521087747 U CN 201521087747U CN 205207251 U CN205207251 U CN 205207251U
- Authority
- CN
- China
- Prior art keywords
- bearing housing
- bearing
- mounting groove
- draft fan
- water outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses a bearing box for boiler induced -draft fan, including the bearing housing of installing the main shaft, be equipped with the mounting groove that supplies the bearing installation on the opening of the both ends of bearing housing, the bearing is installed at the mounting groove and is overlapped on the main shaft, and the end cover lid fits the mounting groove, is being close to one side of mounting groove is provided with the oil cup, and the intercommunication has a fuel feeding passageway between oil cup and the mounting groove, the end cover inner ring be provided with seal in the axle head oil blanket of bearing. Compared with the prior art, the utility model discloses a be close to one side of mounting groove is provided with the oil cup, and it has the fuel feeding passageway to communicate between oil cup and the mounting groove, the end cover inner ring be provided with seal in the axle head oil blanket of bearing is realized supplying lubricating grease to the bearing, and the raceway outside of the through bearing of fuel feeding passageway is established to lubricating grease on the end cover by the oil cup to improve the lubricated degree of bearing, the axle head oil blanket makes in lubricating grease stays the mounting groove, oil leak when avoiding the main shaft to rotate, thus improved the life of bearing box, reduction cost of maintenance.
Description
Technical field
The utility model relates to a kind of boiler induced-draft fan bearing housing.
Background technique
Current ventilator or induced draught fan bearing housing used, main shaft is arranged in bearing housing, main shaft is connected with bearing, in the course of the work, main shaft high speed rotating can produce a large amount of high temperature and friction, cause the working life of bearing housing short, lubricating oil filling on main shaft, serious leakage of oil can be caused and can not vertically use.
Model utility content
Main purpose of the present utility model is to provide a kind of boiler induced-draft fan bearing housing, and it has, and bearing lubrication degree is high, the effect of long service life and minimizing maintenance cost.
For achieving the above object, the technological scheme that the utility model adopts is: a kind of boiler induced-draft fan bearing housing, comprise the bearing housing being provided with main shaft, the both ends open of bearing housing is provided with the mounting groove installed for bearing, bearing is arranged on mounting groove and is placed on main shaft, and end cap is covered on mounting groove, and the side of contiguous described mounting groove is provided with lubricating cup, be communicated with oil supply gallery between lubricating cup and mounting groove, described end cap inner ring is provided with the shaft end oil seal being sealed in described bearing.
Preferably, described lubricating cup is provided with throttle valve, and throttle valve has opens or close described lubricating cup.
Preferably, described lubricating cup is vertical setting on the top, two ends of bearing housing.
Preferably, described oil supply gallery one end is communicated with the oil outlet end of described lubricating cup, and the other end is communicated with the raceway of described bearing.
Preferably, described bearing housing also includes fill hose joint, titting water outlet and water annulus, and fill hose joint and titting water outlet are separately positioned on the two end part of bearing housing, and water annulus is communicated with fill hose joint and titting water outlet.
Preferably, described fill hose joint and titting water outlet are vertical setting on the top, two ends of bearing housing.
Preferably, described fill hose joint and titting water outlet and described lubricating cup is contiguous arranges.
Preferably, described water annulus includes into water circuit, successive watercourse and water outlet circuit, water inlet circuit and water outlet circuit are placed in the inside, two ends of described bearing housing respectively and around described bearing, the bottom that successive watercourse is placed in described bearing housing is communicated with water outlet circuit with water inlet circuit.
Compared with prior art, the beneficial effect of a kind of boiler induced-draft fan bearing housing described in the utility model is:
Boiler induced-draft fan bearing housing of the present utility model, by being provided with lubricating cup in the side of contiguous described mounting groove, oil supply gallery is communicated with between lubricating cup and mounting groove, described end cap inner ring is provided with the shaft end oil seal being sealed in described bearing, realize bearing supplying lubricating grease, lubricating grease by lubricating cup establish on end cap oil supply gallery go directly bearing raceway outside, thus improve the lubricity of bearing, shaft end oil seal makes lubricating grease stay in mounting groove, leakage of oil when avoiding main axis, thus improve the working life of bearing housing, reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of boiler induced-draft fan bearing housing.
Fig. 2 is A place enlarged view.
Fig. 3 is the side view of boiler induced-draft fan bearing housing.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Specifically describe according to the utility model embodiment below in conjunction with accompanying drawing.
As shown in Figures 1 to 3, a kind of boiler induced-draft fan bearing housing, comprise bearing housing 1, main shaft 2, bearing 3 and end cap 4, bearing housing 1 inside offers the axis hole running through two ends, left and right, the both ends open of described axis hole is stretched out in the axis hole that main shaft 2 is arranged on bearing housing 1 and main shaft 2 two ends respectively, the both ends open of bearing housing 1 is provided with the mounting groove 5 installed for bearing 3, bearing 3 is arranged on mounting groove 5 and is placed on main shaft 2, end cap 4 is covered on mounting groove 5, the side of contiguous described mounting groove 5 is provided with lubricating cup 6, oil supply gallery 7 is communicated with between lubricating cup 6 and mounting groove 5, described end cap 4 inner ring is provided with the shaft end oil seal 8 being sealed in described bearing 3, realize bearing 3 supplying lubricating grease, lubricating grease by lubricating cup 6 establish on end cap 4 oil supply gallery 7 go directly bearing 3 raceway outside make lubricating grease be pressed into the raceway of bearing 3 to reach bearing 3 lubrication effect through the pressurization power of grease gun.Adopt the utility model to adopt grease lubrication bearing 3, improve the working life of bearing 3 casees, reduce maintenance times and reduce user cost to reach, shaft end oil seal 8 makes lubricating grease stay in mounting groove 5, has stopped the situation of the befouling environment because of leakage of oil; Further, boiler induced-draft fan bearing 3 casees of the present utility model is not by the restriction of service condition, also can uprightly use.
Described lubricating cup 6 is vertical setting on the top, two ends of bearing housing 1.Described oil supply gallery 7 one end is communicated with the oil outlet end of described lubricating cup 6, and the other end is communicated with the raceway of described bearing 3.
As shown in Figure 2, described lubricating cup 6 is provided with throttle valve 10, and throttle valve 10 has opens or close described lubricating cup 6.
Further modified node method: described bearing housing 1 also includes fill hose joint 91, titting water outlet 92 and water annulus 93, fill hose joint 91 and titting water outlet 92 are separately positioned on the two end part of bearing housing 1, and water annulus 93 is communicated with fill hose joint 91 and titting water outlet 92.
Described fill hose joint 91 and titting water outlet 92 are vertical setting on the top, two ends of bearing housing 1.Described fill hose joint 91 and titting water outlet 92 are arranged with described lubricating cup 6 is contiguous.
Described water annulus 93 includes into water circuit 931, successive watercourse 932 and water outlet circuit 933, water inlet circuit 931 and water outlet circuit 933 are placed in the inside, two ends of described bearing housing 1 respectively and around described bearing 3, the bottom that successive watercourse 932 is placed in described bearing housing 1 is communicated with water outlet circuit 933 with water inlet circuit 931.Circulated by water annulus 93 and introduce running water and the high temperature produced by main shaft 2 passed to after bearing 3 casees through bearing 3 reach a cooling-down effect through water-cooled footstep 3 casees, thus solve the problem that bearing continues temperature rise for 3 casees.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. a boiler induced-draft fan bearing housing, comprise the bearing housing being provided with main shaft, the both ends open of bearing housing is provided with the mounting groove installed for bearing, bearing is arranged on mounting groove and is placed on main shaft, end cap is covered on mounting groove, it is characterized in that, the side of contiguous described mounting groove is provided with lubricating cup, be communicated with oil supply gallery between lubricating cup and mounting groove, described end cap inner ring is provided with the shaft end oil seal being sealed in described bearing.
2. a kind of boiler induced-draft fan bearing housing as claimed in claim 1, it is characterized in that, described lubricating cup is provided with throttle valve, and throttle valve has opens or close described lubricating cup.
3. a kind of boiler induced-draft fan bearing housing as claimed in claim 1, is characterized in that, described lubricating cup is vertical setting on the top, two ends of bearing housing.
4. a kind of boiler induced-draft fan bearing housing as claimed in claim 1, it is characterized in that, described oil supply gallery one end is communicated with the oil outlet end of described lubricating cup, and the other end is communicated with the raceway of described bearing.
5. a kind of boiler induced-draft fan bearing housing as claimed in claim 1, it is characterized in that, described bearing housing also includes fill hose joint, titting water outlet and water annulus, fill hose joint and titting water outlet are separately positioned on the two end part of bearing housing, and water annulus is communicated with fill hose joint and titting water outlet.
6. a kind of boiler induced-draft fan bearing housing as claimed in claim 5, is characterized in that, described fill hose joint and titting water outlet are vertical setting on the top, two ends of bearing housing.
7. a kind of boiler induced-draft fan bearing housing as claimed in claim 6, is characterized in that, described fill hose joint and titting water outlet and described lubricating cup is contiguous arranges.
8. a kind of boiler induced-draft fan bearing housing as claimed in claim 5, it is characterized in that, described water annulus includes into water circuit, successive watercourse and water outlet circuit, water inlet circuit and water outlet circuit are placed in the inside, two ends of described bearing housing respectively and around described bearing, the bottom that successive watercourse is placed in described bearing housing is communicated with water outlet circuit with water inlet circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087747.1U CN205207251U (en) | 2015-12-22 | 2015-12-22 | Bearing box for boiler induced -draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087747.1U CN205207251U (en) | 2015-12-22 | 2015-12-22 | Bearing box for boiler induced -draft fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207251U true CN205207251U (en) | 2016-05-04 |
Family
ID=55844972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521087747.1U Expired - Fee Related CN205207251U (en) | 2015-12-22 | 2015-12-22 | Bearing box for boiler induced -draft fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207251U (en) |
-
2015
- 2015-12-22 CN CN201521087747.1U patent/CN205207251U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20171222 |