CN216618023U - Outer circulating oil cooling system of fan sliding bearing - Google Patents
Outer circulating oil cooling system of fan sliding bearing Download PDFInfo
- Publication number
- CN216618023U CN216618023U CN202122301843.3U CN202122301843U CN216618023U CN 216618023 U CN216618023 U CN 216618023U CN 202122301843 U CN202122301843 U CN 202122301843U CN 216618023 U CN216618023 U CN 216618023U
- Authority
- CN
- China
- Prior art keywords
- bearing
- bearing bush
- bush
- ring
- fan
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an external circulation oil cooling system of a fan sliding bearing, which comprises a first bearing bush and a first clamping ring groove arranged at the left edge of the first bearing bush, wherein a first supporting ring is clamped in the first clamping ring groove, the upper part of the first bearing bush is fixedly connected with a first threaded column, an oil injection hole is formed in the position, close to the first threaded column, of the upper part of the first bearing bush, a first connecting port is formed in the lower part of the first bearing bush, the interval between the upper part and the lower part of the first bearing bush is a first bearing surface, and a first bush port oil inlet groove is formed in the connecting part of the upper part of the first bearing bush and the first bearing surface. According to the utility model, due to the arrangement of the flushing mechanism, when the device is used for the first time, the connection part of the device and the fan rotating shaft is quickly flushed, so that the damage of pollutants to the device is effectively avoided, the lubricating effect of the device and the fan rotating shaft is enhanced, and the stability and the reliability of the fan operation are improved.
Description
Technical Field
The utility model relates to the technical field of power plant bearing support, in particular to an external circulation oil cooling system of a fan sliding bearing.
Background
In the related technical field of power plants, a centrifugal primary fan commonly equipped in a power plant is generally of a single-suction type double-support structure, two sets of sliding bearing support devices are installed on two sides of an impeller, motor torque is transmitted to the fan impeller through a transmission shaft, and the sliding bearings mainly bear radial load in the running process of the fan and complete support of rotating parts of the fan together with a positioning bearing.
In the prior art, the normal operation of the whole device is generally supported by adopting an oil chamber with an oil slinger for self-lubricating and a bearing bush for closed cooling water cooling.
In the prior art, because the bearing surfaces on the two sides of the original bearing bush of the primary fan are 75mm, the lower bearing bush in the oil slinger area has no bearing surface, lubricating oil brought up by the oil slinger is gradually distributed along the two sides of the oil slinger, the oil amount entering the bearing surfaces on the two sides of the original bearing bush of the primary fan is insufficient, so that the oil film is unstable, and the frequency conversion operation of a motor causes frequent change of the rotating speed and the differential pressure of the primary fan, the axial position is changeable, so that the oil film is instantaneously fluctuated, the contact part of the shaft and the bearing bush is easily subjected to tile grinding, particularly, the overtemperature phenomenon of the bearing bush occurs occasionally, and the safe operation of a power plant unit is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an external circulation oil cooling system of a sliding bearing of a fan.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an external circulation oil cooling system of a fan sliding bearing comprises a first bearing bush and a first clamping ring groove arranged at the edge of the left side of the first bearing bush, wherein a first supporting ring is clamped in the first clamping ring groove, the upper part of the first bearing bush is fixedly connected with a first threaded column, an oil injection hole is formed in the upper part of the first bearing bush close to the first threaded column, a first connecting port is formed in the lower part of the first bearing bush, a first bearing surface is formed between the upper part and the lower part of the first bearing bush at a spacing, and a first bush port oil inlet groove is formed in the connecting part of the upper part of the first bearing bush and the first bearing surface;
the right side of the first bearing bush is fixedly connected with a mounting groove ring, and the mounting groove ring is connected with a flushing mechanism and a symmetrical mechanism.
Preferably, the flushing mechanism comprises a flushing pipe penetrating through the upper part of the mounting groove ring in the vertical direction, a water through opening is formed in the position, close to the flushing pipe, of the upper part of the mounting groove ring, a collecting pipe penetrates through the position, in the same vertical direction with the flushing pipe, of the lower part of the mounting groove ring, and a water outlet is formed in the position, in the same vertical direction with the water through opening, of the lower part of the mounting groove ring.
Preferably, symmetry mechanism includes the second bearing shoe of fixed connection on arrangement groove ring right side, second joint annular has been seted up to the right side edge of second bearing shoe, second joint annular joint has the second to prop the ring, the second connector has been seted up on the upper portion of second bearing shoe, the lower part fixedly connected with second screw post of second bearing shoe, the upper portion of second bearing shoe is the second loading end with the interval of lower part, the second tile mouth oil feed tank has been seted up with the junction of second loading end to the upper portion of second bearing shoe.
Preferably, the first bearing surface is coated with black gold, the width of the first bearing surface is 108mm, and the width of the first tile port oil inlet groove is 30 mm.
Preferably, the first bearing bush, the second bearing bush and the mounting groove ring are all arranged in a hollow mode, the flushing pipe is externally connected with a water supply tank, and the collecting pipe is externally connected with a water suction pump.
Preferably, the second bearing surface is coated with black gold, the width of the second bearing surface is 108mm, and the width of the second tile port oil inlet groove is 30 mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the setting of first joint annular and first support ring, realized temporarily to the support of fan pivot for leave the clearance between fan pivot and first axle bush, provide the guarantee basis for washing mechanism's performance, after washing mechanism's performance, can take off first support ring, and because structural design is succinct nimble, the effectual improvement cost that has reduced.
2. The setting of washing mechanism, and under the synergism of first joint annular and first support ring etc. when having realized this device of first use, to the washing away of the junction of this device and fan pivot fast, effectively avoided the pollutant to the harm of this device, strengthened the lubricated effect of this device and fan pivot, improved the stability and the reliability of fan operation.
3. Establish to 108mm and establish to 30mm with the width of first, second tile mouth oil feed tank through the width with first, second loading face, very big avoided the trip because of the overtemperature of axle bush of primary air fan in an overhaul cycle, and then brought good security benefit, and improved the lubrication and the cooling effect of this device, simultaneously, because this device structure is simplified, be convenient for process and using widely, and reduced pollution and the wasting of resources to the environment.
Drawings
FIG. 1 is a schematic perspective view of an external circulation oil cooling system of a sliding bearing of a blower according to the present invention;
FIG. 2 is a perspective view of a flushing mechanism in an external circulation oil cooling system of a sliding bearing of a blower according to the present invention;
fig. 3 is a three-dimensional structure display diagram of different angles of an external circulation oil cooling system of a fan sliding bearing according to the present invention.
In the figure: 1. a first bearing shell; 101. a first threaded post; 102. a first connection port; 103. a second bearing shell; 104. a second connection port; 105. a first tile port oil inlet groove; 106. an oil filler hole; 2. a collection pipe; 201. a flush tube; 202. a first support ring; 203. a second support ring; 204. a water inlet; 205. and (7) a water outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and 3, an external circulation oil cooling system of a fan sliding bearing comprises a first bearing bush 1 and a first clamping ring groove arranged at the left edge of the first bearing bush 1, wherein a first supporting ring 202 is clamped in the first clamping ring groove, it is noted that temporary support of a fan rotating shaft is realized through the arrangement of the first clamping ring groove and the first supporting ring 202, so that a gap is reserved between the fan rotating shaft and the first bearing bush 1, a guarantee foundation is provided for the function of a washing mechanism, after the washing mechanism functions, the first supporting ring 202 can be taken down, and due to simple and flexible structural design, the improvement cost is effectively reduced, the upper part of the first bearing bush 1 is fixedly connected with a first threaded column 101, an oil injection hole 106 is arranged at the upper part of the first bearing bush 1, a first connecting port 102 is arranged at the lower part of the first bearing bush 1, and the interval between the upper part and the lower part of the first bearing bush 1 is a first bearing surface, it should be added that the first bearing surface is coated with black gold, the width of the first bearing surface is 108mm, a first tile mouth oil inlet groove 105 is formed at the joint of the upper part of the first bearing tile 1 and the first bearing surface, and it should be added that the width of the first tile mouth oil inlet groove 105 is 30 mm;
the right side of the first bearing bush 1 is fixedly connected with a mounting groove ring, and the mounting groove ring is connected with a flushing mechanism and a symmetrical mechanism.
Referring to fig. 2, the flushing mechanism includes a flushing pipe 201 penetrating through the upper portion of the mounting groove ring in the vertical direction, a water inlet 204 is formed in the upper portion of the mounting groove ring near the flushing pipe 201, a collecting pipe 2 penetrates through the lower portion of the mounting groove ring in the same vertical direction as the flushing pipe 201, a water outlet 205 is formed in the lower portion of the mounting groove ring in the same vertical direction as the water inlet 204, it should be added that the first bearing bush 1, the second bearing bush 103 and the mounting groove ring are all hollow, the flushing pipe 201 is externally connected with a water supply tank, and the collecting pipe 2 is externally connected with a suction pump.
The setting of washing mechanism, and under the synergism of first joint annular and first support ring 202 etc. when having realized this device of first use, to the washing away of the junction of this device and fan pivot fast, effectively avoided the pollutant to the harm of this device, strengthened the lubricated effect of this device with the fan pivot, improved the stability and the reliability of fan operation.
Referring to fig. 1, the symmetrical mechanism includes a second bearing bush 103 fixedly connected to the right side of the placement groove ring, a second clamping ring groove is formed in the right edge of the second bearing bush 103, a second supporting ring 203 is clamped in the second clamping ring groove, a second connection port 104 is formed in the upper portion of the second bearing bush 103, a second threaded column is fixedly connected to the lower portion of the second bearing bush 103, a second bearing surface is formed at the interval between the upper portion and the lower portion of the second bearing bush 103, it needs to be described that the second bearing surface is coated with black gold, the width of the second bearing surface is 108mm, a second bush port oil inlet groove is formed in the connection position of the upper portion of the second bearing bush 103 and the second bearing surface, it needs to be described that the width of the second bush port oil inlet groove is 30 mm.
Establish to 108mm and establish to 30mm with the second through the width with first, second loading face, the width of first tile mouth oil feed tank 105, very big avoided the trip because of the overtemperature of axle bush of primary air fan in an overhaul cycle, and then brought good security benefit, and improved the lubrication and the cooling effect of this device, simultaneously, because this device structure is simplified, be convenient for process and using widely, and reduced pollution and the wasting of resources to the environment.
The functional principle of the utility model can be illustrated by the following operation modes:
when the device is used, the first supporting ring 202 and the second supporting ring 203 are respectively clamped on the first clamping ring groove and the second clamping ring groove, the rotating shaft of the fan is supported, the flushing pipe 201 is externally connected with a water supply tank, the collecting pipe 2 is externally connected with a water suction pump, and the water supply tank and the water suction pump are simultaneously opened.
After the washing is finished, the first supporting ring 202 and the second supporting ring 203 are taken down, the first bearing bush 1 and the second bearing bush 103 support the rotating shaft of the fan, the corresponding upper bearing bush is used and fixed through bolts, and a top gap of 0.30mm is reserved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The external circulation oil cooling system of the fan sliding bearing comprises a first bearing bush (1) and a first clamping ring groove arranged at the edge of the left side of the first bearing bush (1), and is characterized in that the first clamping ring groove is clamped with a first supporting ring (202), the upper part of the first bearing bush (1) is fixedly connected with a first threaded column (101), the upper part of the first bearing bush (1) close to the first threaded column (101) is provided with an oil filling hole (106), the lower part of the first bearing bush (1) is provided with a first connecting port (102), the interval between the upper part and the lower part of the first bearing bush (1) is a first bearing surface, and the joint between the upper part of the first bearing bush (1) and the first bearing surface is provided with a first bush port oil inlet groove (105);
the right side of the first bearing bush (1) is fixedly connected with a mounting groove ring, and the mounting groove ring is connected with a flushing mechanism and a symmetrical mechanism.
2. The external circulation oil cooling system of the fan sliding bearing is characterized in that the flushing mechanism comprises a flushing pipe (201) penetrating through the upper part of the mounting groove ring in the vertical direction, a water through opening (204) is formed in the upper part of the mounting groove ring close to the flushing pipe (201), a collecting pipe (2) penetrates through the lower part of the mounting groove ring in the same vertical direction with the flushing pipe (201), and a water outlet (205) is formed in the lower part of the mounting groove ring in the same vertical direction with the water through opening (204).
3. The external circulation oil cooling system of the fan sliding bearing is characterized in that the symmetrical mechanism comprises a second bearing bush (103) fixedly connected to the right side of the placement groove ring, a second clamping ring groove is formed in the edge of the right side of the second bearing bush (103), a second supporting ring (203) is clamped in the second clamping ring groove, a second connecting port (104) is formed in the upper portion of the second bearing bush (103), a second threaded column is fixedly connected to the lower portion of the second bearing bush (103), the interval between the upper portion and the lower portion of the second bearing bush (103) is a second bearing surface, and a second bush opening oil inlet groove is formed in the joint of the upper portion of the second bearing bush (103) and the second bearing surface.
4. The external circulation oil cooling system of a sliding bearing of a fan as claimed in claim 1, wherein the first bearing surface is coated with black gold, the width of the first bearing surface is 108mm, and the width of the first tile inlet groove (105) is 30 mm.
5. The external circulation oil cooling system of the fan sliding bearing is characterized in that the first bearing bush (1), the second bearing bush (103) and the mounting groove ring are all arranged in a hollow mode, the flushing pipe (201) is externally connected with a water supply tank, and the collecting pipe (2) is externally connected with a water suction pump.
6. The external circulation oil cooling system of a sliding bearing of a fan as claimed in claim 3, wherein the second bearing surface is coated with black gold, the width of the second bearing surface is 108mm, and the width of the second tile inlet groove is 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301843.3U CN216618023U (en) | 2021-09-23 | 2021-09-23 | Outer circulating oil cooling system of fan sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301843.3U CN216618023U (en) | 2021-09-23 | 2021-09-23 | Outer circulating oil cooling system of fan sliding bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618023U true CN216618023U (en) | 2022-05-27 |
Family
ID=81691059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122301843.3U Active CN216618023U (en) | 2021-09-23 | 2021-09-23 | Outer circulating oil cooling system of fan sliding bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618023U (en) |
-
2021
- 2021-09-23 CN CN202122301843.3U patent/CN216618023U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112628146A (en) | Multistage double suction pump with vertical structure | |
| CN216618023U (en) | Outer circulating oil cooling system of fan sliding bearing | |
| CN108412778A (en) | A kind of motor preposition formula submersed three-flow pump | |
| CN212106347U (en) | Bearing lubricating structure based on submersible full-tubular pump | |
| CN204783793U (en) | Self -balancing multistage centrifugal pump positioning end bearing housing structure and bearing assembly | |
| CN202417954U (en) | Nuclear secondary pump charging pump of 1000MW nuclear power station | |
| CN113915141B (en) | Submersible through-flow pump | |
| CN211370784U (en) | Stable and efficient welding centrifugal blower | |
| CN202811490U (en) | Nuclear secondary pump containment vessel spraying pump for 300 MW nuclear power station | |
| CN2415186Y (en) | Unit construction centrifugal water pump | |
| CN111306199A (en) | Self-suction type energy-saving grease discharging device for variable-pitch bearing of wind driven generator | |
| CN110657099A (en) | Single-stage double-suction horizontal self-priming pump | |
| CN208518885U (en) | Water jet helical-lobe compressor | |
| CN220869657U (en) | Self-balancing and play-free multistage pump | |
| CN215521251U (en) | Small-power rubber ball pump | |
| CN205533286U (en) | Vertical shaft flows clear water lubricating arrangement for pump | |
| CN219220615U (en) | Down-guide bearing oil mist absorbing system | |
| CN213390490U (en) | Integrated sewage treatment lifting pump station | |
| CN218151483U (en) | Large-bearing-capacity submersible electric pump | |
| CN215256843U (en) | Plastic pump press head assembling device | |
| CN218266160U (en) | Mixed-flow water turbine structure | |
| CN214366765U (en) | Energy-saving device for water pump | |
| CN212455229U (en) | Self-suction type energy-saving grease discharging device for variable-pitch bearing of wind driven generator | |
| CN208456869U (en) | A kind of pumping irrigation device based on River function | |
| CN214997999U (en) | Mixed-flow water turbine with kinetic energy recovery draft tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |