CN215968319U - Supporting tool for axial flow fan connecting shaft - Google Patents
Supporting tool for axial flow fan connecting shaft Download PDFInfo
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- CN215968319U CN215968319U CN202121456518.8U CN202121456518U CN215968319U CN 215968319 U CN215968319 U CN 215968319U CN 202121456518 U CN202121456518 U CN 202121456518U CN 215968319 U CN215968319 U CN 215968319U
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- shaped plate
- flow fan
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- axial flow
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Abstract
The utility model discloses a supporting tool for an axial flow fan connecting shaft, which comprises an axial flow fan shell end face, an upper part and a lower part supporting mechanism, wherein the lower part supporting mechanism comprises a long arc-shaped plate, two first fixed blocks and two first bolts, the two first fixed blocks are arranged on the long arc-shaped plate at intervals, the two first fixed blocks are provided with screw holes along the radial direction of the long arc-shaped plate, the two first bolts are respectively screwed in the screw holes of the two first fixed blocks, the upper part supporting mechanism comprises a short arc-shaped plate, a second fixed block and a second bolt, the second fixed block is arranged on the short arc-shaped plate, the second fixed block is provided with screw holes along the radial direction of the short arc-shaped plate, the second bolt is screwed in the screw holes of the second fixed block, and the long arc-shaped plate and the short arc-shaped plate are respectively provided with through holes at intervals and are arranged on the axial flow fan shell end face through the bolts. The original position of connecting axle installation after this frock is ensured at the shaft coupling and is demolishd, avoids blade and casing to take place to rub and leads to warping, ensures that the fan operates normally, improves the quality of maintenance and overhaul.
Description
Technical Field
The utility model relates to the technical field of equipment maintenance, in particular to a supporting tool for a connecting shaft of an axial flow fan.
Background
Usually, most power plant generating sets are provided with axial flow fans, and when the generating sets are stopped and maintained at the A level each time, the axial flow fans need to be maintained and maintained off line. In the maintenance and repair process, after the bolt of the fan coupler is removed, the connecting shaft cannot keep the original position and can move downwards, and the position deviation of the connecting shaft is prevented by generally adopting a method of adding a sleeper at the bottom of the connecting shaft. Because this axial-flow fan blade is less with the casing clearance, generally about 1 ~ 1.5mm, about 2 meters's connecting axle moves down, leads to blade top and casing clearance to diminish, directly leads to blade and casing to take place to rub for blade top shape warp, leads to the fan operation unusual, has seriously influenced the quality that axial-flow fan maintained and overhauld.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a supporting tool for a connecting shaft of an axial flow fan, which overcomes the defects of maintenance and overhaul operation of the traditional axial flow fan, ensures the original position of the installation of the connecting shaft after a coupler of the fan is removed, avoids the deformation caused by the friction between a blade and a casing, ensures the normal operation of the fan and improves the quality of maintenance and overhaul.
In order to solve the technical problem, the support tool for the axial flow fan connecting shaft comprises an axial flow fan shell end face, an upper support mechanism and a lower support mechanism, the lower supporting mechanism comprises a long arc-shaped plate, two first fixing blocks and two first bolts, the two first fixing blocks are arranged on the long arc-shaped plate at intervals, the two first fixing blocks are provided with screw holes along the radial direction of the long arc-shaped plate, the two first bolts are respectively screwed in the screw holes of the two first fixing blocks, the upper supporting mechanism comprises a short arc-shaped plate, a second fixed block and a second bolt, the second fixed block is arranged on the short arc-shaped plate, the second fixed block is provided with screw holes along the radial direction of the short arc-shaped plate, the second bolt is screwed in the screw holes of the second fixed block, the long arc-shaped plate and the short arc-shaped plate are respectively provided with through holes at intervals and are arranged on the end face of the axial flow type fan shell through bolts.
Furthermore, the long arc-shaped plate and the short arc-shaped plate are respectively arranged at the lower part and the upper part of the end face of the axial flow type fan shell, and the two first fixed blocks and the second fixed block are arranged at equal intervals on the end face of the axial flow type fan shell.
Further, two first fixed blocks pass through welded connection with long arc board, the second fixed block passes through welded connection with short arc board.
The supporting tool for the axial flow fan connecting shaft adopts the technical scheme, namely the tool comprises an axial flow fan shell end face, an upper supporting mechanism and a lower supporting mechanism, wherein the lower supporting mechanism comprises a long arc-shaped plate, two first fixing blocks and two first bolts, the two first fixing blocks are arranged on the long arc-shaped plate at intervals, the two first fixing blocks are provided with screw holes along the radial direction of the long arc-shaped plate, the two first bolts are screwed in the screw holes of the two first fixing blocks respectively, the upper supporting mechanism comprises a short arc-shaped plate, a second fixing block and a second bolt, the second fixing block is arranged on the short arc-shaped plate, the second fixing block is provided with screw holes along the radial direction of the short arc-shaped plate, the second bolt is screwed in the screw holes of the second fixing block, and the long arc-shaped plate and the short arc-shaped plate are provided with through holes at intervals respectively and are arranged on the axial flow fan shell end face through the bolts. This support frock overcomes the defect of traditional axial-flow fan maintenance operation, ensures that the fan is at the shaft coupling and demolishs the home position of back connecting axle installation, avoids blade and casing to take place the deformation that the friction leads to, ensures that the fan operates normally, improves the quality of maintenance.
Drawings
The utility model is described in further detail below with reference to the following figures and embodiments:
fig. 1 is a schematic structural view of a supporting tool for an axial flow fan connecting shaft according to the present invention.
Detailed Description
For example, as shown in fig. 1, the support tool for the axial-flow fan connecting shaft of the present invention includes an axial-flow fan housing end surface 1, an upper support mechanism and a lower support mechanism, the lower support mechanism includes a long arc-shaped plate 21, two first fixing blocks 22 and two first bolts 23, the two first fixing blocks 22 are disposed at intervals on the long arc-shaped plate 21, the two first fixing blocks 22 are provided with screw holes along the radial direction of the long arc-shaped plate 21, the two first bolts 23 are screwed into the screw holes of the two first fixing blocks 22, the upper support mechanism includes a short arc-shaped plate 31, a second fixing block 32 and a second bolt 33, the second fixing block 32 is disposed on the short arc-shaped plate 31, the second fixing block 32 is provided with screw holes along the radial direction of the short arc-shaped plate 31, the second bolt 33 is screwed into the screw hole of the second fixing block 32, the long arc-shaped plate 21 and the short arc-shaped plate 31 are provided with through holes 24 at intervals respectively, 34 and is bolted to the axial fan housing end face 1.
Preferably, the long arc-shaped plate 21 and the short arc-shaped plate 31 are respectively disposed at the lower portion and the upper portion of the end surface 1 of the axial-flow type fan casing, and the two first fixing blocks 22 and the one second fixing block 32 are equally spaced at the end surface 1 of the axial-flow type fan casing.
Preferably, the two first fixing blocks 22 are connected with the long arc-shaped plate 21 by welding, and the second fixing block 32 is connected with the short arc-shaped plate 3 by welding.
When the axial flow fan is maintained and overhauled off line, after the fan coupling bolt is removed, the upper supporting mechanism and the lower supporting mechanism of the tool are respectively arranged on the end surface of the axial flow fan shell, as shown in fig. 1, the long arc-shaped plate 21 and the short arc-shaped plate 31 are respectively arranged on the lower part and the upper part of the end surface 1 of the axial flow fan shell, and the bolts 23 and 33 screwed on the two first fixing blocks 22 and the second fixing block 32 form three-point support for the axial flow fan connecting shaft 4, so that the mounting position is prevented from moving downwards after the connecting shaft 4 is short of support. Meanwhile, the supporting position of the connecting shaft 4 can be finely adjusted by screwing the bolts 23 and 33, the coaxiality of the fan connecting shaft 4 and the motor is ensured when the fan coupler is installed, and the maintenance and overhaul quality of the axial flow fan is improved. After the fan coupler and the motor are installed, the upper supporting mechanism and the lower supporting mechanism can be detached from the end face of the axial flow type fan shell, and the offline maintenance and overhaul operation of the axial flow type fan is completed.
Claims (3)
1. The utility model provides a support frock for axial-flow fan connecting axle, includes axial-flow fan casing terminal surface, its characterized in that: the axial-flow fan casing structure is characterized by further comprising an upper supporting mechanism and a lower supporting mechanism, wherein the lower supporting mechanism comprises a long arc-shaped plate, two first fixed blocks and two first bolts, the two first fixed blocks are arranged at intervals on the long arc-shaped plate, the two first fixed blocks are arranged along the radial direction of the long arc-shaped plate and are screwed into the screw holes of the two first fixed blocks respectively, the upper supporting mechanism comprises a short arc-shaped plate, a second fixed block and a second bolt, the second fixed block is arranged on the short arc-shaped plate, the second fixed block is arranged along the radial direction of the short arc-shaped plate and is provided with the screw holes, the second bolt is screwed into the screw holes of the second fixed block, and the long arc-shaped plate and the short arc-shaped plate are respectively provided with through holes at intervals and are arranged on the end face of the axial-flow fan casing through the bolts.
2. The supporting tool for the axial flow fan connecting shaft according to claim 1, wherein: the long arc-shaped plate and the short arc-shaped plate are respectively arranged at the lower part and the upper part of the end face of the axial flow type fan shell, and the two first fixed blocks and the second fixed block are arranged at equal intervals at the end face of the axial flow type fan shell.
3. The supporting tool for the axial flow fan connecting shaft according to claim 1 or 2, wherein: the two first fixed blocks are connected with the long arc-shaped plate in a welding mode, and the second fixed blocks are connected with the short arc-shaped plate in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456518.8U CN215968319U (en) | 2021-06-29 | 2021-06-29 | Supporting tool for axial flow fan connecting shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456518.8U CN215968319U (en) | 2021-06-29 | 2021-06-29 | Supporting tool for axial flow fan connecting shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215968319U true CN215968319U (en) | 2022-03-08 |
Family
ID=80517523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121456518.8U Active CN215968319U (en) | 2021-06-29 | 2021-06-29 | Supporting tool for axial flow fan connecting shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215968319U (en) |
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2021
- 2021-06-29 CN CN202121456518.8U patent/CN215968319U/en active Active
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