CN111360749A - Fan blade dismounting tool - Google Patents
Fan blade dismounting tool Download PDFInfo
- Publication number
- CN111360749A CN111360749A CN202010123580.9A CN202010123580A CN111360749A CN 111360749 A CN111360749 A CN 111360749A CN 202010123580 A CN202010123580 A CN 202010123580A CN 111360749 A CN111360749 A CN 111360749A
- Authority
- CN
- China
- Prior art keywords
- fan blade
- oil
- sleeve
- disc
- puller
- 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.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of technological equipment, in particular to a fan blade dismounting tool which comprises a sleeve, a tool shaft lever and a puller, wherein the puller is provided with a pulling claw and a puller ejector rod, an external thread connected with an internal thread in the center of a fan blade hub is arranged on the excircle of one end of the sleeve, an external flange is arranged on the excircle of the other end of the sleeve, the tool shaft lever is arranged in an inner hole of the sleeve, one end of the tool shaft lever abuts against the end face of a main shaft of a fan blade, and the puller ejector rod abuts against the other end of the tool shaft lever. The invention is convenient for the fan blade to be disassembled and ensures the disassembling quality.
Description
Technical Field
The invention relates to the technical field of technological equipment, in particular to a fan blade disassembling tool.
Background
When a ship fan is repaired, the fan blades are frequently required to be detached from a main shaft of the fan blades, and the fan blade body of an explosion-proof fan is not provided with a place which can be tightly clamped by a common puller; the other method is to drill and tap holes on the hub of the fan blade and then detach the fan blade by a screw rod and a jack, but the strength of the fan blade can be reduced by newly drilling holes, and the drilling and tapping are time-consuming and labor-consuming.
In addition, the traditional flame heating method is uneven in heating, so that the whole deflection of the fan blade after the fan blade and the fan wheel hub are cooled is easily caused, on one hand, the deflection of the fan blade increases the noise of the running of the fan, and on the other hand, the efficiency of the fan can be reduced.
Disclosure of Invention
In order to solve the problems, the invention provides a fan blade disassembling tool, which aims to facilitate the disassembly of fan blades and ensure the disassembly quality. The specific technical scheme is as follows:
the utility model provides a fan blade extracting tool, includes sleeve pipe, frock axostylus axostyle and draws the horse, be provided with on drawing the horse and draw claw and draw the horse ejector pin, be provided with the internal screw thread in connection fan impeller hub center on the sheathed tube one end excircle, be provided with the flange on the sheathed tube other end excircle, the frock axostylus axostyle is arranged in the sheathed tube hole, just the one end of frock axostylus axostyle withstands the terminal surface of fan blade main shaft, draw the horse ejector pin to withstand the other end of frock axostylus.
During the use, install the sleeve pipe on the fan wheel hub through threaded connection earlier, then insert the sheathed tube hole with the frock axostylus axostyle, let the terminal surface of fan blade main shaft withstood to the one end of frock axostylus axostyle, install the puller and make the drawing claw of puller hook the outer flange, the puller ejector pin withstands the other end of frock axostylus axostyle, the operation puller, evenly slowly pulls out the fan blade.
Preferably, the puller is a mechanical puller or a hydraulic puller.
As a development of the invention, a disk heater for heating an end face of the wind turbine hub is further provided on the outer circle of the sleeve.
Preferably, the disc-shaped heater comprises a disc-shaped housing sleeved on the outer circle of the sleeve, and an infrared electric heating element arranged inside the disc-shaped housing, wherein the inner surface of the disc-shaped housing is provided with a light reflecting surface, and the opening of the disc-shaped housing faces the end face of the wind turbine hub.
As a second improvement of the present invention, a cooling circulation device for circularly cooling the end surface of the fan blade main shaft is further disposed on the sleeve.
Preferably, the cooling circulation device is an oil cooling circulation device, and the oil cooling circulation device comprises an oil inlet hole and an oil outlet hole which are respectively arranged on the end face of one end of the sleeve close to the fan wheel hub along the axial direction of the sleeve, and an oil inlet communicated with the oil inlet hole and an oil outlet communicated with the oil outlet hole which are respectively arranged on the excircle of the sleeve.
Preferably, the oil inlet hole and the oil outlet hole are symmetrically arranged on two sides of the central axis of the sleeve.
Preferably, the oil cooling circulation device further comprises a circulation pump and an oil tank, a suction inlet of the circulation pump is connected to the oil tank through a suction pipeline, a discharge outlet of the circulation pump is connected to the oil inlet through a discharge pipeline, and the oil outlet is connected to the oil tank through an oil outlet pipeline.
As a third improvement of the invention, the oil cooling circulation device further comprises a section of hollow plastic soft belt wrapped on the outer circle of the fan blade main shaft close to the back side of the fan blade wheel hub through an elastic binding belt, the mouth parts at two ends of the hollow plastic soft belt are respectively connected with an inlet pipe joint and an outlet pipe joint in a hot-pressing manner, the inlet pipe joint is connected with the discharge port of the circulation pump through a discharge pipeline, and the outlet pipe joint is connected with the oil tank through an oil outlet pipeline.
Preferably, an automatic temperature control type oil cooler is further arranged on the discharge pipeline.
Preferably, the outer surface of the hollow plastic soft belt is not coated with the flexible heat preservation and insulation coating except the part in contact with the fan blade main shaft, and the other outer surfaces are coated with the flexible heat preservation and insulation coating.
The invention has the beneficial effects that:
first, the fan blade disassembling tool is simple in structure, convenient to disassemble and high in efficiency.
Secondly, according to the fan blade dismounting tool, the disc heater is arranged on the outer circle of the sleeve, compared with the traditional manual flame heating, the heating is uniform, the deformation of the dismounted fan blade is small, and the defects that the noise of a fan is increased and the efficiency of the fan is reduced due to the integral deflection of the fan blade caused by the uneven heating of the traditional flame are overcome.
Thirdly, according to the fan blade dismounting tool, the cooling circulation device is further arranged at the end part of the main shaft of the fan blade, and the temperature difference between the fan blade hub and the end part of the main shaft of the fan blade is improved in an external heating and internal cooling mode, so that the defect that the temperature difference between the fan blade hub and the main shaft of the fan blade cannot be effectively improved in the traditional dismounting and heating process is overcome, and the dismounting of the fan blade which is tightly matched is greatly facilitated.
Fourthly, the cooling circulating device adopts an oil cooling circulating device, and cooling oil for cooling can permeate into a matching surface between the fan blade hub and the fan blade main shaft during cooling, so that the fan blade is more favorably disassembled.
Fifth, according to the fan blade detaching tool, the automatic temperature control oil cooler is arranged in the cooling circulation device, so that the temperature difference between the fan blade hub and the fan blade main shaft can be controlled according to the detaching requirement.
Sixth, according to the blade dismounting tool, the hollow plastic soft belt can be conveniently arranged on the outer circle of the blade main shaft close to the back side of the fan blade hub, so that double-side cooling of the blade main shaft is realized, and convenience and quality of dismounting are further improved. In addition, the flexible heat-preservation and heat-insulation coating is arranged on the outer surface of the hollow plastic soft belt and the part of the outer surface of the hollow plastic soft belt, which is not in contact with the fan blade spindle, so that the passing of cold energy can be effectively reduced, and the cooling effect on the fan blade spindle is better.
Drawings
Fig. 1 is a schematic structural view of a blade dismounting tool of the present invention;
fig. 2 is a schematic structural view of a further improvement on the blade dismounting tool of fig. 1;
fig. 3 is a partial structural schematic view of the blade dismounting tool in fig. 2 with an oil cooling circulation device;
fig. 4 is a schematic structural diagram of a hollow plastic soft belt.
In the figure: 1. the device comprises a sleeve, 2, a tool shaft rod, 3, a puller, 4, a puller claw, 5, a puller ejector rod, 6, a fan wheel hub, 7, an outer flange, 8, a disc-shaped heater, 9, a disc-shaped housing, 10, an infrared electric heating element, 11, an oil inlet hole, 12, an oil outlet hole, 13, an oil inlet, 14, an oil outlet, 15, a circulating pump, 16, an oil tank, 17, a suction pipeline, 18, a discharge pipeline, 19, an oil outlet pipeline, 20, a hollow plastic soft belt, 21, an inlet pipe joint, 22, an outlet pipe joint, 23, an automatic temperature control type oil cooler, 24, a fan blade, 25 and a fan blade main shaft.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 4 show an embodiment of a fan blade detaching tool according to the present invention, which includes a sleeve 1, a tool shaft lever 2, and a puller 3, wherein the puller 3 is provided with a pulling claw 4 and a puller ejector rod 5, an external thread connected with an internal thread in the center of a fan wheel hub 6 is provided on an excircle of one end of the sleeve 1, an external flange 7 is provided on an excircle of the other end of the sleeve 1, the tool shaft lever 2 is disposed in an inner hole of the sleeve 1, one end of the tool shaft lever 2 abuts against an end surface of a fan blade main shaft 25, and the puller ejector rod 5 abuts against the other end of the tool shaft lever 2.
During the use, install sleeve pipe 1 on fan blade wheel hub 6 through threaded connection earlier, then insert the hole of sleeve pipe 1 with frock axostylus axostyle 2, let the terminal surface of fan blade main shaft 25 withstood by the one end of frock axostylus axostyle 2, install and draw horse 3 and make the drawing claw 4 of drawing horse 3 hook outer flange 7, draw horse ejector pin 5 and withstood the other end of frock axostylus axostyle 2, the operation draws horse 3, evenly slowly pulls out fan blade 24.
Preferably, the puller 3 is a mechanical puller or a hydraulic puller.
As a modification of this embodiment, a disc heater 8 for heating the end face of the wind turbine hub 6 is further provided on the outer circumference of the sleeve 1.
Preferably, the disc-shaped heater 8 comprises a disc-shaped housing 9 which is sleeved on the outer circle of the sleeve 1, and an infrared electric heating element 10 which is arranged inside the disc-shaped housing 9, wherein the inner surface of the disc-shaped housing 9 is provided with a light reflecting surface, and the opening of the disc-shaped housing 9 faces the end surface of the wind impeller hub 6.
As a second improvement of this embodiment, a cooling circulation device for circularly cooling the end surface of the fan blade main shaft 25 is further disposed on the sleeve.
Preferably, the cooling circulation device is an oil cooling circulation device, and the oil cooling circulation device includes an oil inlet hole 11 and an oil outlet hole 12 respectively arranged on an end surface of one end of the sleeve 1 close to the impeller hub 6 along the axial direction of the sleeve 1, and an oil inlet 13 communicated with the oil inlet hole 11 and an oil outlet 14 communicated with the oil outlet hole 12 respectively arranged on an outer circle of the sleeve 1.
Preferably, the oil inlet hole 13 and the oil outlet hole 14 are symmetrically arranged on both sides of the central axis of the casing 1.
Preferably, the oil cooling circulation device further comprises a circulation pump 15 and an oil tank 16, a suction inlet of the circulation pump 15 is connected to the oil tank 16 through a suction pipeline 17, a discharge outlet of the circulation pump 15 is connected to the oil inlet 13 through a discharge pipeline 18, and the oil outlet 14 is connected to the oil tank 16 through an oil outlet pipeline 19.
As a third improvement of the present embodiment, the oil cooling circulation device further includes a section of hollow plastic soft belt 20 wrapped around an outer circle of the fan blade main shaft 25 near the back side of the fan blade hub 6 by an elastic binding belt, the mouth parts at two ends of the hollow plastic soft belt 20 are respectively connected with an inlet pipe joint 21 and an outlet pipe joint 22 in a hot-pressing manner, the inlet pipe joint 21 is connected with the discharge port of the circulation pump 15 through a discharge pipeline 18, and the outlet pipe joint 22 is connected with the oil tank 16 through an oil discharge pipeline 19.
Preferably, an automatic temperature control type oil cooler 23 is further provided on the discharge line 18.
Preferably, the outer surface of the hollow plastic soft belt 20 is not coated with the flexible heat preservation and insulation coating except for the part in contact with the fan blade main shaft 25, and the other outer surfaces are coated with the flexible heat preservation and insulation coating.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a fan blade extracting tool, its characterized in that includes sleeve pipe, frock axostylus axostyle and draws the horse, be provided with on drawing the horse and draw claw and draw the horse ejector pin, be provided with the internal screw thread in connection fan wheel hub center on the sheathed tube one end excircle, be provided with the flange on the sheathed tube other end excircle, the frock axostylus axostyle is arranged in the sheathed tube hole, just the one end of frock axostylus axostyle withstands the terminal surface of fan blade main shaft, draw the horse ejector pin to withstand the other end of frock axostylus.
2. The blade removal tool of claim 1, wherein the puller is a mechanical puller or a hydraulic puller.
3. The fan blade removal tool of claim 1, wherein a disc heater is further disposed on the outer circle of the sleeve for heating the end face of the fan blade hub.
4. The fan blade disassembling tool according to claim 3, wherein the disc-shaped heater comprises a disc-shaped cover shell sleeved on the outer circle of the sleeve, and an infrared electric heating element arranged inside the disc-shaped cover shell, the inner surface of the disc-shaped cover shell is provided with a light reflecting surface, and the opening of the disc-shaped cover shell faces the end face of the fan blade hub.
5. The fan blade disassembling tool according to claim 1, wherein a cooling circulation device for circularly cooling an end face of the fan blade spindle is further provided on the sleeve.
6. The fan blade dismounting tool according to claim 5, wherein the cooling circulation device is an oil cooling circulation device, and the oil cooling circulation device includes an oil inlet and an oil outlet respectively arranged on an end surface of the one end of the sleeve close to the fan wheel hub along an axial direction of the sleeve, and an oil inlet communicated with the oil inlet and an oil outlet communicated with the oil outlet respectively arranged on an outer circle of the sleeve.
7. The fan blade removal tool of claim 6, wherein the oil inlet and the oil outlet are symmetrically arranged on both sides of a central axis of the sleeve.
8. The fan blade disassembling tool according to claim 6, wherein the oil cooling circulation device further includes a circulation pump and an oil tank, a suction inlet of the circulation pump is connected to the oil tank through a suction pipeline, a discharge outlet of the circulation pump is connected to the oil inlet through a discharge pipeline, and the oil outlet is connected to the oil tank through an oil outlet pipeline.
9. The fan blade disassembling tool according to claim 8, wherein the oil cooling circulation device further comprises a section of hollow plastic soft belt wrapped on an outer circle of the fan blade main shaft near the back side of the fan blade hub through an elastic binding belt, the mouth parts at two ends of the hollow plastic soft belt are respectively connected with an inlet pipe joint and an outlet pipe joint in a hot-pressing mode, the inlet pipe joint is connected with a discharge port of the circulation pump through a discharge pipeline, and the outlet pipe joint is connected with the oil tank through an oil outlet pipeline.
10. The fan blade removal tool according to claim 9, wherein an automatic temperature control oil cooler is further disposed on the discharge pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123580.9A CN111360749B (en) | 2020-02-27 | 2020-02-27 | Fan blade dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123580.9A CN111360749B (en) | 2020-02-27 | 2020-02-27 | Fan blade dismounting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111360749A true CN111360749A (en) | 2020-07-03 |
| CN111360749B CN111360749B (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010123580.9A Active CN111360749B (en) | 2020-02-27 | 2020-02-27 | Fan blade dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111360749B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004058176A (en) * | 2002-07-25 | 2004-02-26 | Kuroda Precision Ind Ltd | Method and apparatus for shrinkage fit of tool |
| DE202008008893U1 (en) * | 2008-10-24 | 2009-03-05 | Hung, Jung-Liang | Hydraulic tool unit |
| CN201208735Y (en) * | 2008-04-28 | 2009-03-18 | 重庆钢铁(集团)有限责任公司 | Motor fan dismounting tool |
| CN201511340U (en) * | 2009-09-30 | 2010-06-23 | 中国广东核电集团有限公司 | Valve seat freezing dismounting device |
| CN103862410A (en) * | 2014-03-31 | 2014-06-18 | 东方电气集团东方汽轮机有限公司 | Barrel-shaped cylinder fastening ring mounting and dismounting tool and mounting and dismounting method by tool |
| CN204504679U (en) * | 2015-03-26 | 2015-07-29 | 中钢集团安徽天源科技股份有限公司 | Roller sleeve of high pressure roller grinder provision for disengagement |
| TWM574954U (en) * | 2018-05-08 | 2019-03-01 | 寶宸泓有限公司 | Wheel puller |
| CN109434754A (en) * | 2018-08-30 | 2019-03-08 | 岳阳长岭炼化通达建筑安装工程有限公司 | A kind of thread-locking ring heat exchanger Bolt dismantling method |
| CN209380665U (en) * | 2018-10-08 | 2019-09-13 | 中海浙江宁波液化天然气有限公司 | A kind of axle sleeve disassembling fixture |
| CN110802545A (en) * | 2018-08-06 | 2020-02-18 | 天津市茂联科技有限公司 | Wheel drum detacher for screw centrifuge |
-
2020
- 2020-02-27 CN CN202010123580.9A patent/CN111360749B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004058176A (en) * | 2002-07-25 | 2004-02-26 | Kuroda Precision Ind Ltd | Method and apparatus for shrinkage fit of tool |
| CN201208735Y (en) * | 2008-04-28 | 2009-03-18 | 重庆钢铁(集团)有限责任公司 | Motor fan dismounting tool |
| DE202008008893U1 (en) * | 2008-10-24 | 2009-03-05 | Hung, Jung-Liang | Hydraulic tool unit |
| CN201511340U (en) * | 2009-09-30 | 2010-06-23 | 中国广东核电集团有限公司 | Valve seat freezing dismounting device |
| CN103862410A (en) * | 2014-03-31 | 2014-06-18 | 东方电气集团东方汽轮机有限公司 | Barrel-shaped cylinder fastening ring mounting and dismounting tool and mounting and dismounting method by tool |
| CN204504679U (en) * | 2015-03-26 | 2015-07-29 | 中钢集团安徽天源科技股份有限公司 | Roller sleeve of high pressure roller grinder provision for disengagement |
| TWM574954U (en) * | 2018-05-08 | 2019-03-01 | 寶宸泓有限公司 | Wheel puller |
| CN110802545A (en) * | 2018-08-06 | 2020-02-18 | 天津市茂联科技有限公司 | Wheel drum detacher for screw centrifuge |
| CN109434754A (en) * | 2018-08-30 | 2019-03-08 | 岳阳长岭炼化通达建筑安装工程有限公司 | A kind of thread-locking ring heat exchanger Bolt dismantling method |
| CN209380665U (en) * | 2018-10-08 | 2019-09-13 | 中海浙江宁波液化天然气有限公司 | A kind of axle sleeve disassembling fixture |
Non-Patent Citations (1)
| Title |
|---|
| 李淑芳: "《机械装配与维修技术》", 31 October 2017 * |
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| Publication number | Publication date |
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| CN111360749B (en) | 2022-04-19 |
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