CN111608944B - Plug-in type circulating special fan convenient to overhaul and maintain - Google Patents
Plug-in type circulating special fan convenient to overhaul and maintain Download PDFInfo
- Publication number
- CN111608944B CN111608944B CN202010458703.4A CN202010458703A CN111608944B CN 111608944 B CN111608944 B CN 111608944B CN 202010458703 A CN202010458703 A CN 202010458703A CN 111608944 B CN111608944 B CN 111608944B
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- Prior art keywords
- heat
- heat insulation
- main shaft
- overhaul
- cavity
- Prior art date
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- 238000009413 insulation Methods 0.000 claims abstract description 50
- 239000012212 insulator Substances 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000012423 maintenance Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
-
- 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
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a plug-in type circulating special fan convenient to overhaul and maintain, which comprises a rack, wherein a main shaft is arranged on the rack, and a wind wheel is fixed at one end of the main shaft; the machine frame comprises a connecting plate, a heat insulation cover is arranged on one side of the connecting plate, which is far away from the wind wheel, a heat insulation cavity is arranged in the heat insulation cover, a through hole for communicating the furnace cavity with the heat insulation cavity is arranged on the connecting plate, a heat insulator is arranged in the heat insulation cavity in a sliding manner, the main shaft sequentially penetrates through the through hole, the heat insulator and the heat insulation cover and then is in transmission connection with the driving assembly, and the main shaft can move relative to the heat insulation cover along the axial direction of the main shaft; the through hole can be closed or opened by moving the heat insulator, and an overhaul window is arranged on the side of the heat shield close to the connecting plate; an adjustment assembly for adjusting the position of the insulation body is also included. After the through-hole was opened in the insulator removal, the thermal-insulated chamber between insulator and the connecting plate just formed the maintenance chamber, and corresponding access window corresponds the maintenance chamber, need not whole dismantlement fan this moment and can overhaul wind wheel, overhauls, maintenance convenient operation.
Description
Technical Field
The invention relates to the technical field of fans, in particular to an insertion type circulating special fan convenient to overhaul and maintain.
Background
In an industrial furnace, hot air equalization and exchange in the furnace and hot air circulation operation of high-temperature air circulation in the furnace are generally required, and the requirement of a high-temperature circulating fan used on the industrial furnace is higher due to the high-temperature working environment. Conventionally, a high-temperature centrifugal fan inserted into a volute is installed on an industrial furnace to provide a certain wind pressure, and the structure of the inserted fan is shown in fig. 1 and includes a frame 12, a wind wheel 11 and a power assembly 13, wherein the frame 12 is used for connecting with a furnace body, the wind wheel 11 is located inside the furnace, and the power assembly 13 is located outside the furnace. Due to the fact that the use temperature of the fan is high, the surface temperature of the furnace body and the temperature of the joint of the fan and the surface of the furnace body are both too high, and therefore the difficulty is caused to the maintenance and repair process under the condition that the fan breaks down in the later period.
Disclosure of Invention
The invention aims to solve the technical problem of providing a plug-in type circulation special fan which can overcome the structural defects in the prior art and is convenient and quick to overhaul or maintain the wind wheel.
In order to solve the technical problems, the technical scheme of the invention is as follows: an inserted type circulating special fan convenient to overhaul and maintain comprises a rack, wherein a main shaft is arranged on the rack, and a wind wheel is fixed at one end of the main shaft; the machine frame comprises a connecting plate, a heat insulation cover is arranged on one side of the connecting plate, which is far away from the wind wheel, a heat insulation cavity is arranged in the heat insulation cover, a through hole which is communicated with a furnace cavity and the heat insulation cavity is formed in the connecting plate, a heat insulator is arranged in the heat insulation cavity in a sliding mode, the main shaft penetrates through the through hole, the heat insulator and the heat insulation cover in sequence and then is in transmission connection with the driving assembly, and the main shaft can move relative to the heat insulation cover along the axial direction of the main shaft; the through hole can be closed or opened by moving the heat insulator, and an access window is arranged on the side, close to the connecting plate, of the heat shield; an adjustment assembly for adjusting the position of the thermal insulator is also included.
According to the preferable technical scheme, a bearing seat is arranged at one end, far away from the connecting plate, of the heat shield, the bearing seat comprises a fixed bearing seat fixed on the heat shield, a movable bearing seat is arranged on the upper side of the fixed bearing seat, and the movable bearing seat is in butt joint with the fixed bearing seat to form a bearing mounting hole.
As a preferred technical scheme, the adjusting assembly comprises a plurality of adjusting bolts, the adjusting bolts are screwed with the heat insulation cover, and one ends of the adjusting bolts extending into the heat insulation cavity are rotatably connected with the heat insulator.
As a preferable technical scheme, a heat dissipation cavity is further arranged in the heat shield, and the inner diameter of the heat dissipation cavity is smaller than that of the heat insulation cavity; and a heat radiation fan is further fixed on the main shaft corresponding to the heat radiation cavity, an air inlet channel is reserved between the main shaft and the heat insulation cover, and an air outlet hole is formed in the side wall, close to the heat radiation cavity, of the heat insulation cavity.
Preferably, the driving assembly comprises a motor, and a main driving gear is fixed on an output shaft of the motor; and a main transmission gear is fixed on the main shaft and meshed with the main driving gear.
As a preferable technical scheme, an auxiliary transmission gear is further fixed on the main shaft, and when the wind wheel is positioned in the furnace, the main driving gear is meshed with the main transmission gear; when the wind wheel is located in the heat insulation cavity, the main driving gear is meshed with the auxiliary transmission gear.
Preferably, the motor is fixed to an outer side of the heat shield.
As a preferred technical scheme, the heat shield is provided with a cooling window, and the cooling window is arranged opposite to the maintenance window.
According to a preferable technical scheme, the heat insulator comprises an outer frame, and foaming cotton is filled in the outer frame.
Due to the adoption of the technical scheme, the plug-in type circulating special fan convenient to overhaul and maintain forms a heat insulation cavity in the heat insulation cover, after the heat insulation body moves to open the through hole, the heat insulation cavity between the heat insulation body and the connecting plate forms an overhaul cavity, the corresponding overhaul window corresponds to the overhaul cavity, the wind wheel can be overhauled without integrally disassembling the fan at the moment, and the overhaul and maintenance operation is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art plug-in blower;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a side view of FIG. 1;
fig. 4 is a schematic view of the internal structure of the heat shield in the embodiment of the present invention.
Detailed Description
As shown in figures 2, 3 and 4, the plug-in type circulating special fan convenient to overhaul and maintain comprises a rack, wherein the rack comprises a connecting plate 1, a through hole 17 is formed in the connecting plate 11, a main shaft 11 penetrates through the through hole 17 and extends from two sides of the connecting plate 11, a wind wheel 2 is fixed at one end of the main shaft 11, and the other end of the main shaft is in transmission connection with a driving assembly.
One side that connecting plate 1 deviates from wind wheel 2 is equipped with thermal-insulated cover 3, is equipped with thermal-insulated chamber 13 in the thermal-insulated cover 3, and through-hole 17 on the connecting plate 1 intercommunication stove inner chamber and thermal-insulated chamber 13. A heat insulator 14 is arranged in the heat insulation cavity 13 in a sliding manner, the main shaft 11 penetrates through the through hole 17, the heat insulator 14 and the heat insulation cover 3 in sequence and then is in transmission connection with the driving assembly, and the main shaft 11 can move relative to the heat insulation cover 3 along the axial direction of the main shaft; the through hole 17 can be closed or opened by moving the heat insulator 14, and the side of the heat shield 3 adjacent to the connecting plate 1 is provided with an access window 15.
When the wind wheel 2 needs to be overhauled or maintained, the through hole 17 is opened firstly, the movable main shaft 11 drives the wind wheel 2 which is integrally assembled with the movable main shaft into the heat insulation cavity 13, and the wind wheel 2 is just opposite to the overhauling window 15 at the moment, so that the overhauling and maintenance are convenient.
The one end of keeping away from connecting plate 1 of heat shield 3 is equipped with the bearing frame, and the bearing frame is including fixing fixed bearing frame 9 on heat shield 3, and the upside of fixed bearing frame 9 is equipped with movable bearing frame 8, and movable bearing frame 8 and fixed bearing frame 9 butt joint form the bearing mounting hole. The movable bearing seat 8 is connected with the fixed bearing seat 9 through a bolt, so that the assembly and disassembly are convenient, and the clamping degree of the bearing seat to the main shaft 11 is convenient to adjust.
When the main shaft 11 needs to be moved along the axial direction of the main shaft 11, the movable bearing seat 8 and the fixed bearing seat 9 are firstly loosened.
Also included is an adjustment assembly 10 for adjusting the position of the insulator 14; the adjusting assembly 10 comprises a plurality of adjusting bolts, at least one adjusting bolt is arranged, the adjusting bolt is screwed with the thread of the heat shield 3, and one end of the adjusting bolt extending into the heat insulation cavity 13 is rotatably connected with the heat insulator 14.
Preferably, the insulator 14 includes an outer frame filled with foam.
The outer frame of the insulator 14 includes at least two oppositely disposed end plates with support posts disposed therebetween; one of the end plates is used for sealing the through hole 17, and the other end plate is used for assembling and connecting with the adjusting bolt.
In order to ensure the effective connection of the adjusting bolt and the heat shield 3, an adjusting seat with an internal thread hole is welded on the heat shield 3.
Adjusting bolt stretches into in the insulator 14, and the one end that stretches into in the insulator 14 is equipped with the connecting block, reserves the space that supplies the connecting block pivoted in the foaming cotton.
A heat dissipation cavity 12 is further arranged in the heat shield 3, and preferably, the heat dissipation cavity 12 and the heat insulation cavity 13 are coaxially arranged. The inner diameter of the heat dissipation cavity 12 is smaller than that of the heat insulation cavity 13; a heat radiation fan 18 is further fixed on the main shaft 11 corresponding to the heat radiation cavity 12, an air inlet channel is reserved between the main shaft 11 and the heat shield 3, and an air outlet hole is formed in the side wall, close to the heat radiation cavity 12, of the heat insulation cavity 13.
The bearing seat is fixed on the outer side of the heat dissipation cavity 12, an air inlet channel is reserved between the heat dissipation cavity 12 and the main shaft 11, when the heat dissipation fan 18 rotates along with the main shaft 11, heat dissipation airflow is formed in the heat dissipation cavity 12, flows into a gap between the bearing and the bearing seat from the air inlet channel, enters the heat dissipation cavity 12 from the air inlet channel, flows out through the air outlet hole, and forms forced ventilation at the bearing and the bearing seat, so that heat exchange and cooling are performed on the bearing and the bearing seat.
The drive assembly comprises an electric motor 4, which electric motor 4 is fixed on the outside of the heat shield 3. A main driving gear 5 is fixed on an output shaft of the motor 4; a main transmission gear 6 is fixed on the main shaft 11, and the main transmission gear 6 is meshed with the main driving gear 5. The axial movement of the main shaft 11 can be well adapted through gear meshing transmission, and the movement operation is convenient.
An auxiliary transmission gear 7 is further fixed on the main shaft 11, and when the wind wheel 2 is positioned in the furnace, the main driving gear 5 is meshed with the main transmission gear 6; when the wind wheel 2 is at a specific position of the heat insulation cavity 13, the main driving gear 5 is meshed with the auxiliary transmission gear 7.
When the wind wheel 2 initially enters the heat insulation cavity 13, a large amount of heat is still carried, the maintenance operation cannot be carried out immediately, the auxiliary transmission gear 7 is arranged, effective transmission connection can be formed between the motor 4 and the main shaft 11, the wind wheel 2 is driven to rotate in the heat insulation cavity 13 through the motor 4, the heat dissipation of the wind wheel 2 can be accelerated, and optimally, the heat insulation cover 3 is provided with the cooling window 16, and the cooling window 16 and the maintenance window 15 are arranged oppositely.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An inserted type circulating special fan convenient to overhaul and maintain comprises a rack, wherein a main shaft is arranged on the rack, and a wind wheel is fixed at one end of the main shaft; the method is characterized in that: the machine frame comprises a connecting plate, a heat insulation cover is arranged on one side of the connecting plate, which is far away from the wind wheel, a heat insulation cavity is arranged in the heat insulation cover, a through hole which is communicated with a furnace cavity and the heat insulation cavity is formed in the connecting plate, a heat insulator is arranged in the heat insulation cavity in a sliding mode, the main shaft penetrates through the through hole, the heat insulator and the heat insulation cover in sequence and then is in transmission connection with the driving assembly, and the main shaft can move relative to the heat insulation cover along the axial direction of the main shaft; the through hole can be closed or opened by moving the heat insulator, and an access window is arranged on the side, close to the connecting plate, of the heat shield; an adjustment assembly for adjusting the position of the thermal insulator is also included.
2. The plug-in type circulation special fan convenient to overhaul and maintain as claimed in claim 1, wherein: the one end that keeps away from the connecting plate of heat shield is equipped with the bearing frame, the bearing frame is including fixing the fixed bearing frame on the heat shield, the upside of fixed bearing frame is equipped with movable bearing frame, movable bearing frame with the butt joint of fixed bearing frame forms the bearing mounting hole.
3. The plug-in type circulation special fan convenient to overhaul and maintain as claimed in claim 1, wherein: the adjusting assembly comprises a plurality of adjusting bolts, the adjusting bolts are screwed with the threads of the heat shield, and the adjusting bolts stretch into one ends of the heat insulation cavities and the heat insulators to be connected in a rotating mode.
4. A plug-in circulation special fan convenient for overhaul and maintenance as claimed in any one of claims 1 to 3, wherein: a heat dissipation cavity is further arranged in the heat shield, and the inner diameter of the heat dissipation cavity is smaller than that of the heat insulation cavity; and a heat radiation fan is further fixed on the main shaft corresponding to the heat radiation cavity, an air inlet channel is reserved between the main shaft and the heat insulation cover, and an air outlet hole is formed in the side wall, close to the heat radiation cavity, of the heat insulation cavity.
5. The plug-in type circulation special fan convenient to overhaul and maintain as claimed in claim 1, wherein: the driving assembly comprises a motor, and a main driving gear is fixed on an output shaft of the motor; and a main transmission gear is fixed on the main shaft and meshed with the main driving gear.
6. The plug-in type circulation special fan convenient to overhaul and maintain as claimed in claim 5, wherein: an auxiliary transmission gear is further fixed on the main shaft, and when the wind wheel is positioned in the furnace, the main driving gear is meshed with the main transmission gear; when the wind wheel is located in the heat insulation cavity, the main driving gear is meshed with the auxiliary transmission gear.
7. The plug-in type circulation special fan convenient to overhaul and maintain as claimed in claim 5 or 6, wherein: the motor is fixed to the outer side of the heat shield.
8. The plug-in type circulation special fan convenient to overhaul and maintain as claimed in claim 1, wherein: the heat shield is provided with a cooling window, and the cooling window is opposite to the maintenance window.
9. The plug-in type circulation special fan convenient to overhaul and maintain as claimed in claim 1, wherein: the heat insulator comprises an outer frame, and foaming cotton is filled in the outer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458703.4A CN111608944B (en) | 2020-05-27 | 2020-05-27 | Plug-in type circulating special fan convenient to overhaul and maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458703.4A CN111608944B (en) | 2020-05-27 | 2020-05-27 | Plug-in type circulating special fan convenient to overhaul and maintain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111608944A CN111608944A (en) | 2020-09-01 |
| CN111608944B true CN111608944B (en) | 2022-02-25 |
Family
ID=72198197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010458703.4A Active CN111608944B (en) | 2020-05-27 | 2020-05-27 | Plug-in type circulating special fan convenient to overhaul and maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111608944B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1043089A (en) * | 1964-06-30 | 1966-09-21 | Shelley Electric Furnaces Ltd | Improved kilns and similar heat treatment apparatus |
| CN104265659A (en) * | 2014-09-10 | 2015-01-07 | 江苏双菊风机有限公司 | Inserted high-temperature centrifugal fan |
| CN107559222B (en) * | 2017-10-16 | 2023-07-25 | 楚天科技股份有限公司 | Air heater for drying box |
| CN210440286U (en) * | 2019-06-26 | 2020-05-01 | 昆山浩风通风降温设备有限公司 | Plug-in type heat-preservation easy-to-disassemble fan |
| CN110778510A (en) * | 2019-10-25 | 2020-02-11 | 中国建材国际工程集团有限公司 | Horizontal centrifugal fan for high-temperature internal circulation |
-
2020
- 2020-05-27 CN CN202010458703.4A patent/CN111608944B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111608944A (en) | 2020-09-01 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220130 Address after: 201406 No.18, building 9, 628 Yangpai Road, Fengxian District, Shanghai Applicant after: SHANGHAI DE-HUI SPECIFIC FAN Co.,Ltd. Applicant after: Shanghai Chaohui ventilation and environmental protection equipment Co., Ltd Address before: 224700 No.5, Weiyi Road, Shanggang Industrial Park, Jianhu County, Yancheng City, Jiangsu Province Applicant before: Jiangsu Chaohui special fan Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |