CN220863898U - Tool for disassembling and assembling impeller of induced draft fan - Google Patents
Tool for disassembling and assembling impeller of induced draft fan Download PDFInfo
- Publication number
- CN220863898U CN220863898U CN202322732440.3U CN202322732440U CN220863898U CN 220863898 U CN220863898 U CN 220863898U CN 202322732440 U CN202322732440 U CN 202322732440U CN 220863898 U CN220863898 U CN 220863898U
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- China
- Prior art keywords
- tool
- impeller
- fan
- dismounting
- support plate
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- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a tool for disassembling and assembling a fan impeller, which is used for disassembling and assembling the fan impeller from or on a fan main shaft, wherein a plurality of through holes are circumferentially formed in the position, close to a hub, of the fan impeller, a threaded connection hole is formed in the front end of the fan main shaft, and the tool for disassembling and assembling the fan impeller comprises: the tool dummy shaft, the dismounting support plate and the plurality of double-headed screws; the diameter of the tool dummy shaft is in clearance fit with the shaft hole of the fan impeller, the front end of the tool dummy shaft is provided with a threaded connector, and the threaded connector is in threaded fit with the end part of the fan main shaft; the disassembly and assembly support plate is fixed on the tool dummy shaft, a plurality of disassembly and assembly connecting holes are circumferentially formed in the disassembly and assembly support plate, and each disassembly and assembly connecting hole corresponds to a through hole in the fan impeller; the two ends of each double-headed screw rod respectively penetrate through a through hole on the fan impeller and a dismounting connecting hole on the dismounting support plate and are connected through nuts.
Description
Technical Field
The utility model belongs to the field of mechanical maintenance of movable equipment, and particularly relates to a tool for disassembling and assembling an impeller of a drum and a draught fan.
Background
In recent years, the design of a movable equipment unit is larger and larger, the movable equipment unit is more and more precise, a fan impeller of a draught fan of movable equipment and a main shaft of the draught fan are in interference fit, the fan impeller is difficult to detach under normal conditions, and no special tool for checking and maintaining operation is needed, so that the maintenance of the draught fan is long in time consumption, and the personnel investment is large. When the fan impeller is assembled and disassembled on site, the fan impeller is often required to be heated by open fire, and when the fan impeller is assembled and disassembled, the fan impeller and a fan main shaft are easily damaged by the assembly and disassembly means, and hazard factors and risk factors of on-site operation are increased.
Disclosure of utility model
In view of the above, the utility model aims to provide a tool for disassembling and assembling an impeller of a draught fan, which is used for solving or partially solving the above defects.
The utility model provides a tool for disassembling and assembling a fan impeller, which is used for disassembling and assembling the fan impeller from or on a fan main shaft, wherein a plurality of through holes are circumferentially formed in the position, close to a hub, of the fan impeller, a threaded connection hole is formed in the front end of the fan main shaft, and the tool for disassembling and assembling the fan impeller comprises:
The diameter of the tool dummy shaft is in clearance fit with the shaft hole of the fan impeller, the front end of the tool dummy shaft is provided with a threaded connector, and the threaded connector is in threaded fit with the end part of the fan main shaft;
The dismounting support plate is fixed on the tool dummy shaft, a plurality of dismounting connection holes are circumferentially formed in the dismounting support plate, and each dismounting connection hole corresponds to a through hole in the fan impeller;
The two ends of each double-ended screw rod respectively penetrate through a through hole on the fan impeller and a dismounting connecting hole on the dismounting support plate and are connected through nuts.
The utility model also has the following optional features.
Optionally, the tool dummy shaft further comprises an adjusting bracket, wherein the adjusting bracket is supported at the rear end of the tool dummy shaft.
Optionally, the adjustment support includes the base, the upper end of base is vertical to be connected with and adjusts high screw rod, it holds in the palm to adjust the upper end of high screw rod to be connected with the arc, the arc hold in the palm with the surface phase-match of frock dummy shaft.
Optionally, the dismounting support plate and the tool dummy shaft are of an integrated structure.
Optionally, the dismounting support plate is connected to the tool dummy shaft through threads.
According to the tool for disassembling and assembling the blower and induced fan impeller, the tool dummy shaft is connected with the blower impeller, the disassembling and assembling support plate is arranged on the tool dummy shaft, the plurality of double-headed screws are connected between the disassembling and assembling support plate and the blower impeller, and the blower impeller is pulled or pushed by adjusting nuts on the double-headed screws on the disassembling and assembling support plate, so that the blower impeller is disassembled from the blower main shaft or sleeved on the blower main shaft, the blower impeller is prevented from being heated or knocked, the disassembling and assembling efficiency of the blower impeller is improved, and the blower impeller and the blower main shaft are not damaged.
Drawings
Fig. 1 is a schematic diagram of a tool for disassembling and assembling an impeller of a draught fan according to an embodiment of the utility model.
In the above figures: 1. a fan impeller; 2. a fan main shaft; 3. a tool dummy shaft; 301 threaded connectors; 4. disassembling and assembling the support plate; 5. a double-ended screw; 6. adjusting the bracket; 601. a base; 602. height-adjusting screw rods; 603. an arc-shaped bracket.
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Detailed Description
Example 1
Referring to fig. 1, an embodiment of the present utility model provides a tool for disassembling and assembling a blower and induced fan impeller 1, which is used for disassembling and assembling the blower and induced fan impeller 1 from a blower main shaft 2, wherein a plurality of through holes are circumferentially arranged at the position of the blower and induced fan impeller 1 close to a hub, a threaded connection hole is arranged at the front end of the blower main shaft 2, and the tool for disassembling and assembling the blower and induced fan impeller comprises: the tool dummy shaft 3, the dismounting support plate 4 and a plurality of double-headed screws 5; the diameter of the tool dummy shaft 3 is in clearance fit with the shaft hole of the fan impeller 1, the front end of the tool dummy shaft 3 is provided with a threaded connector 301, and the threaded connector 301 is in threaded fit with the end part of the fan main shaft 2; the dismounting support plate 4 is fixed on the tool dummy shaft 3, a plurality of dismounting connection holes are circumferentially formed in the dismounting support plate 4, and each dismounting connection hole corresponds to a through hole in the fan impeller 1; the two ends of each double-headed screw 5 respectively penetrate through a through hole on the fan impeller 1 and a dismounting connecting hole on the dismounting support plate 4 and are connected through nuts.
When the fan impeller 1 is dismounted, the tool dummy shaft 3 is connected to the threaded connection hole at the end part of the fan main shaft 2, two ends of the double-headed screws 5 penetrate through the through holes in the fan impeller 1 and the dismounting connection holes in the dismounting support plate 4 respectively, one end of the double-headed screws 5 is fixedly connected with the fan impeller 1 through nuts, the plurality of double-headed screws 5 are pulled in a small extent by screwing the nuts outside the dismounting support plate 4 in a small extent on the dismounting support plate 4 respectively, the fan impeller 1 is slowly pulled onto the tool dummy shaft 3 from the fan main shaft 2 through the plurality of double-headed screws 5, after the fan impeller 1 is completely separated from the fan main shaft 2, the tool dummy shaft 3 is dismounted from the fan main shaft 2, the plurality of double-headed screws 5 are dismounted, and finally the fan impeller 1 is dismounted from the tool dummy shaft 3.
When the fan impeller 1 is installed, the fan impeller 1 is sleeved on the tool dummy shaft 3, then the fan impeller 1 passes through a plurality of through holes in the fan impeller 1 and a plurality of dismounting connecting holes in the dismounting support plate 4 through a plurality of double-headed screws 5, the double-headed screws 5 are connected with the fan impeller 1 through nuts, then the plurality of double-headed screws 5 are pushed by screwing the nuts on the inner side of the dismounting support plate 4 in a small range on the dismounting support plate 4, the fan impeller 1 is slowly pushed onto the fan spindle 2 from the tool dummy shaft 3 through the plurality of double-headed screws 5, after the fan impeller 1 is completely sleeved on the fan spindle 2, the plurality of double-headed screws 5 are dismounted, and then the tool dummy shaft 3 is dismounted from the fan spindle 2.
Through the mode, the fan impeller 1 can be prevented from being heated and knocked, damage to the fan impeller 1 and the fan main shaft 2 during disassembly and assembly is avoided, and safety of field operation is guaranteed.
Example 2
Referring to fig. 1, on the basis of embodiment 1, an adjusting bracket 6 is further included, and the adjusting bracket 6 is supported at the rear end of the tooling dummy shaft 3.
After the threaded connector 301 at the end part of the tool dummy shaft 3 is connected with the fan main shaft 2, the rear end of the tool dummy shaft 3 is supported by the adjusting bracket 6, so that the tool dummy shaft 3 and the fan main shaft 2 keep coaxial, and the fan impeller 1 is convenient to assemble and disassemble.
Example 3
Referring to fig. 1, on the basis of embodiment 2, the adjusting bracket 6 includes a base 601, the upper end of the base 601 is vertically connected with a height adjusting screw 602, the upper end of the height adjusting screw 602 is connected with an arc-shaped support 603, and the arc-shaped support 603 is matched with the surface of the tool dummy shaft 3.
The adjusting bracket 6 can adopt a screw, a vertical screw hole is formed in the top of the base 601, the lower end of the adjusting bracket 6 is screwed into the screw hole, a nut is screwed into the screw, the height of the adjusting bracket 6 can be controlled through the position of the adjusting nut, the arc-shaped support 603 is assembled at the upper end of the adjusting bracket 6 in a rotating mode, and the tool dummy shaft 3 is supported through the arc-shaped support 603.
Example 4
Referring to fig. 1, on the basis of embodiment 1, a detachable support plate 4 and a tooling dummy shaft 3 are of an integral structure.
When the tooling false shaft 3 is processed, a shaft shoulder can be reserved to serve as the dismounting support plate 4, and the annular dismounting support plate 4 can be welded and fixed on the tooling false shaft 3.
Example 5
On the basis of the embodiment 1, the dismounting support plate 4 is connected to the tool dummy shaft 3 through threads.
The rear part of the tool dummy shaft 3 is provided with external threads, the dismounting support plate 4 is processed into a ring shape, the internal threads are arranged on the inner ring, and the dismounting support plate 4 can be connected to the tool dummy shaft 3 through threads, so that the position of the dismounting support plate 4 on the tool dummy shaft 3 can be adjusted.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims. The components and structures not specifically described in this embodiment are well known in the art and are not described in detail herein.
Claims (5)
1. The utility model provides a drum draught fan impeller dismouting frock for pull down or install fan impeller (1) from fan main shaft (2), fan impeller (1) are close to wheel hub department circumference and are provided with a plurality of through-holes, the front end of fan main shaft (2) is provided with threaded connection hole, its characterized in that, drum draught fan impeller dismouting frock includes:
The device comprises a tool dummy shaft (3), wherein the diameter of the tool dummy shaft (3) is in clearance fit with a shaft hole of the fan impeller (1), a threaded connector (301) is arranged at the front end of the tool dummy shaft (3), and the threaded connector (301) is in threaded fit with the end part of the fan main shaft (2);
The dismounting support plate (4), the dismounting support plate (4) is fixed on the tool dummy shaft (3), a plurality of dismounting connection holes are circumferentially formed in the dismounting support plate (4), and each dismounting connection hole corresponds to a through hole in the fan impeller (1);
The two ends of each double-end screw rod (5) respectively penetrate through a through hole on the fan impeller (1) and a dismounting connecting hole on the dismounting support plate (4) and are connected through nuts.
2. The tool for disassembling and assembling the impeller of the induced draft fan according to claim 1, further comprising an adjusting bracket (6), wherein the adjusting bracket (6) is supported at the rear end of the tool dummy shaft (3).
3. The tool for disassembling and assembling the impeller of the induced draft fan according to claim 2, wherein the adjusting bracket (6) comprises a base (601), the upper end of the base (601) is vertically connected with a height-adjusting screw (602), the upper end of the height-adjusting screw (602) is connected with an arc-shaped support (603), and the arc-shaped support (603) is matched with the surface of the tool dummy shaft (3).
4. Tool for dismounting impeller of induced draft fan according to claim 1, wherein said dismounting support plate (4) and said tool dummy shaft (3) are of an integral structure.
5. Tool for dismounting impeller of induced draft fan according to claim 1, wherein said dismounting support plate (4) is screwed on said tool dummy shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322732440.3U CN220863898U (en) | 2023-10-11 | 2023-10-11 | Tool for disassembling and assembling impeller of induced draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322732440.3U CN220863898U (en) | 2023-10-11 | 2023-10-11 | Tool for disassembling and assembling impeller of induced draft fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220863898U true CN220863898U (en) | 2024-04-30 |
Family
ID=90821215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322732440.3U Active CN220863898U (en) | 2023-10-11 | 2023-10-11 | Tool for disassembling and assembling impeller of induced draft fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220863898U (en) |
-
2023
- 2023-10-11 CN CN202322732440.3U patent/CN220863898U/en active Active
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