CN109759370B - Automatic ash removal device for large synchronous motor heat dissipation air hole - Google Patents
Automatic ash removal device for large synchronous motor heat dissipation air hole Download PDFInfo
- Publication number
- CN109759370B CN109759370B CN201910015305.2A CN201910015305A CN109759370B CN 109759370 B CN109759370 B CN 109759370B CN 201910015305 A CN201910015305 A CN 201910015305A CN 109759370 B CN109759370 B CN 109759370B
- Authority
- CN
- China
- Prior art keywords
- synchronous motor
- heat dissipation
- air holes
- dissipation air
- bowl
- 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
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 42
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 241001584775 Tunga penetrans Species 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 6
- 229910021529 ammonia Inorganic materials 0.000 abstract description 3
- 239000003245 coal Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 241000219000 Populus Species 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses an automatic ash removal device for a heat dissipation air hole of a large synchronous motor, which relates to the field of coal chemical industry synthetic ammonia production devices and is characterized by comprising a bowl-shaped steel wire brush, a spring, a bolt and a fixed plate, wherein the bottom of the bowl-shaped steel wire brush is connected with the spring, the other end of the spring is fixed on one surface of the fixed plate, the bolt is arranged on the other surface of the fixed plate, the bowl-shaped steel wire brush, the spring and the bolt are coaxial to form a component, and 8-10 components are arranged on the fixed plate in a straight line. The technical staff in the field are dedicated to develop an automatic ash removal device for the heat dissipation air holes of the large synchronous motor, and under the condition that a rotor is not drawn out, catkin dust, oil stains and the like accumulated on the air holes are thoroughly removed, so that the heat dissipation air holes in the operation of the motor are kept smooth, ventilation and heat dissipation of the motor are ensured, the temperature rise of the motor is reduced, the electric energy loss of the motor is reduced, the occurrence of motor faults or parking conditions is avoided, and the difficulty of ash removal work is simplified.
Description
Technical Field
The invention relates to the field of coal chemical industry synthetic ammonia production devices, in particular to an automatic ash removal device for a large-scale synchronous motor heat dissipation air hole.
Background
When the large synchronous motor runs, a large amount of unnecessary heat energy is generated in the motor due to copper loss and iron loss, and under normal conditions, the heat energy is discharged through longitudinally unblocked air holes in the stator core, and the temperature of the motor is increased within a reasonable range. In a synthetic ammonia production system using coal as a raw material, more greasy dirt and dust are generated, when the air temperature gradually rises in summer every year, particularly when catkin poplar cotton floods in 4-5 months, the catkin poplar cotton flies over the sky, is easy to gather in a motor and is not easy to scatter, a motor stator heat dissipation air hole can be blocked for a long time, and the motor can alarm or stop because of overhigh temperature. The rotor of the large synchronous motor has larger weight, the rotor can be pulled out only by using a lifting device, various mechanical maintenance opportunities can be used in general cases, the synchronous motor is required to be cleaned by using all methods, for example, bamboo sticks are used for dredging air holes inwards one by one from the outside of a stator core, the air holes at the upper part of the motor foundation are convenient to dredge, but the air holes below the foundation are difficult to clean because the dust accumulated at the lower part is more thick, and the cleaning effect is poor. Therefore, when the synchronous motor is overhauled each time, the rotor can be pulled out, and when the stator air holes are seriously blocked by dust catkin, the bowl-shaped steel wire brushes are aligned with the stator air holes one by one and a plurality of brushes are arranged below the stator air holes, so that dust can be cleaned.
Therefore, the person skilled in the art is dedicated to develop an automatic ash removal device for the heat dissipation air holes of the large synchronous motor, and under the condition that the rotor is not drawn out, the device is utilized to thoroughly remove catkin dust, greasy dirt and the like accumulated on the air holes so as to keep the heat dissipation air holes smooth in the operation of the motor, ensure ventilation and heat dissipation of the motor, reduce the temperature rise of the motor, reduce the electric energy loss of the motor, avoid the occurrence of motor faults or parking conditions, and simplify the difficulty of ash removal work.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to solve the technical problems that the dust blocking of the heat dissipation air holes of the large synchronous motor causes the motor to fail or stop when the temperature of the motor is too high, and the manual cleaning effect is poor, the cleaning difficulty is high, and the efficiency is low.
The invention provides an automatic ash removal device for a heat dissipation air hole of a large synchronous motor, which is characterized by comprising a bowl-shaped steel wire brush, a spring, a bolt and a fixed plate, wherein the bottom of the bowl-shaped steel wire brush is connected with the spring, the other end of the spring is fixed on one surface of the fixed plate, and the bolt is arranged on the other surface of the fixed plate; the bowl-shaped steel wire brush, the spring and the bolt are coaxial to form a component.
Further, the bowl-shaped steel wire brush is a bowl-shaped steel wire wheel of an angle grinder.
Further, the spring is a stainless steel spring.
Further, the wire diameter of the spring is 1.0mm, the outer diameter is 14.0mm, and the length is 30.0mm.
Further, the fixing plate is a stainless steel plate.
Further, the thickness of the fixing plate is 10.0mm, the width of the fixing plate is 40.0mm, and the length of the fixing plate can be manufactured according to the actual requirement of the length of the stator core.
Further, mounting rings are arranged at two ends of the fixing plate and used for being fixed on the rotor starting damping copper ring.
Further, the bolts are M10 x 80 full wire bolts.
Further, the bolt is a bolt capable of adjusting the length.
Further, the number of the components is 8-10, and the components are arranged on the fixed plate in a linear arrangement.
In a preferred embodiment of the invention, the bolt is secured to the fixed plate by a nut, which in use is of a fixed adjustment length.
The invention provides an automatic ash removal device for a large-scale synchronous motor heat dissipation air hole, which has at least the following beneficial technical effects:
1. the invention can conveniently and thoroughly remove the oil dirt, dust, catkin and other impurities accumulated on the stator cooling air hole of the synchronous motor without drawing the rotor, ensures that the motor cooling system keeps running well, reduces the temperature rise of the motor and reduces the reactive power consumption of the motor.
2. According to the invention, the rotor of the synchronous motor is rotated to drive automatic ash removal, and the heat dissipation air holes are not required to be cleaned manually, so that the maintenance quality of the motor can be improved, the working progress is accelerated, and the labor intensity of workers is greatly reduced.
3. The invention has the advantages of simple and easy operation, low cost and convenient processing, installation and implementation.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
Fig. 1 is a schematic structural diagram of an automatic ash removing device for a heat dissipation air hole of a large synchronous motor according to a preferred embodiment of the invention.
Detailed Description
The following description of the preferred embodiments of the present invention refers to the accompanying drawings, which make the technical contents thereof more clear and easy to understand. The present invention may be embodied in many different forms of embodiments and the scope of the present invention is not limited to only the embodiments described herein.
In the drawings, like structural elements are referred to by like reference numerals and components having similar structure or function are referred to by like reference numerals. The dimensions and thickness of each component shown in the drawings are arbitrarily shown, and the present invention is not limited to the dimensions and thickness of each component. The thickness of the components is exaggerated in some places in the drawings for clarity of illustration.
As shown in fig. 1, the automatic ash removal device for the heat dissipation air holes of the large synchronous motor of the embodiment comprises a bowl-shaped steel wire brush 1, a spring 2, a bolt 3 and a fixing plate 4; the bottom of the bowl-shaped steel wire brush 1 is welded with one end of the spring 2, the other end of the spring 2 is welded with one surface of the fixed plate 4, the bolt 3 is installed on the other surface of the fixed plate 4 through threads on the fixed plate 4, the bowl-shaped steel wire brush 1, the spring 2 and the bolt 3 form a component, the component is installed on the fixed plate 4 by the same axial lead, and 8 components are installed on the fixed plate 4 in a linear mode.
The bowl-shaped steel wire brush 1 is a bowl-shaped steel wire wheel of an angle grinder, the spring 2 is a stainless steel spring with a wire diameter of 1.0mm, an outer diameter of 14.0mm and a length of 30.0mm, the bolt 3 is an M10 x 80 full-wire bolt, the fixing plate 4 is a stainless steel plate with a thickness of 10.0mm, a width of 40.0mm and a length of 800mm, and mounting rings (not marked in the figure) are arranged at two ends of the fixing plate 4.
In this embodiment, the specific operation flow of the automatic ash removal device using the heat dissipation air hole of the large synchronous motor is as follows:
firstly, when the large synchronous motor is in a shutdown maintenance state, after ensuring that the safety technical measures of electrical equipment are adopted, a reasonable maintenance scheme is formulated, and after approval, the device can be implemented.
The protecting end covers at the two ends of the synchronous motor are firstly disassembled, the two symmetrical blades at the two ends of the rotor are disassembled, and dust deposit on the surfaces of the stator and the rotor of the synchronous motor is firstly removed by using a dust collector. The fixing plate 4 is arranged on a rotor starting damping copper ring at the position where the fan blade is detached, one surface of the fixing plate 4 with the bowl-shaped steel wire brush 1 is leaning against the inner circular surface of the stator core, one surface of the fixing plate 4 with the bolt 3 faces the rotor, the bolt 3 is clamped at the concave position of the rotor, and the length of the bolt 3 is adjusted according to the actual distance, so that the pressure tightness of the spring 2 is proper.
The turning motor is started to drive the synchronous motor rotor to rotate positively, at this moment, the fixed plate 4 rotates along with the rotor, meanwhile, the bowl-shaped steel wire brushes 1 brush the heat dissipation air holes on the stator iron cores one by one, because the bowl-shaped steel wire brushes 1 are connected to the fixed plate 4 through the springs 2, the bowl-shaped steel wire brushes can stretch out and draw back automatically when rotating, faults can not be caused by the fact that the bowl-shaped steel wire brushes 1 are too tightly pressed to be blocked, meanwhile, the bowl-shaped steel wire brushes 1 can better clean the heat dissipation air holes of the stator iron cores through the pressure of the springs 2, and the bowl-shaped steel wire brushes 1 cannot be too loose to have a cleaning effect. And after the rotor rotates forward for 3-5 circles, the jigger motor is closed, and after the synchronous motor stops running completely, dust brushed off by the air hole gap of the synchronous motor is blown out by using the hand-held electric blower. Then reversely rotating for 3-5 circles, then blowing out dust brushed off by the gaps of the air holes of the synchronous motor by using the portable electric blower, taking out the ash removing device, checking and cleaning the effect of the stator on the heat dissipation air holes, and repeating cleaning for several times if necessary. After the cleaning work is completed, the device is taken out, the fan blade and the protecting end cover are assembled back, and the synchronous motor component is recovered.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention without requiring creative effort by one of ordinary skill in the art. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (9)
1. The automatic ash removing method for the heat dissipation air holes of the large synchronous motor is characterized by comprising a bowl-shaped steel wire brush, a spring, a bolt and a fixed plate, wherein the bottom of the bowl-shaped steel wire brush is connected with the spring, the other end of the spring is fixed on one surface of the fixed plate, the bolt is arranged on the other surface of the fixed plate, and the bowl-shaped steel wire brush, the spring and the bolt are coaxial to form a component;
mounting rings are arranged at two ends of the fixing plate and are used for being fixed on the rotor starting damping copper ring;
during operation, the protective end covers at the two ends of the synchronous motor are firstly disassembled, the two symmetrical blades at the two ends of the rotor are disassembled, and dust deposit on the surfaces of the stator and the rotor of the synchronous motor is removed by using a dust collector;
then, a fixing plate is arranged on a rotor starting damping copper ring at the position where the fan blades are removed, one surface of the fixing plate with the bowl-shaped steel wire brush is leaning against the inner circular surface of the stator core, one surface of the fixing plate with the bolts faces the rotor, the bolts are clamped at the concave parts of the rotor, and the length of the bolts is adjusted according to the actual distance, so that the pressure tightness of the spring is proper;
then starting a turning motor to drive a synchronous motor rotor to rotate forward, wherein the fixed plate rotates along with the rotor, and the bowl-shaped steel wire brushes brush through the heat dissipation air holes on the stator core one by one;
after the rotor rotates forward for 3-5 circles, the jigger motor is closed, and after the synchronous motor stops running completely, dust brushed off by the air hole gap of the synchronous motor is blown out by using the hand-held electric blower; then reversely rotating for 3-5 circles, blowing out dust brushed off by gaps of air holes of the synchronous motor by using a portable electric blower, taking out the ash removing device, and checking and cleaning the effect of the stator on cooling air holes; after the cleaning work is completed, the device is taken out, the fan blade and the protecting end cover are assembled back, and the synchronous motor component is recovered.
2. The automatic ash removal method for the heat dissipation air holes of the large synchronous motor according to claim 1, wherein the bowl-shaped steel wire brush is a bowl-shaped steel wire wheel of an angle grinder.
3. The automatic ash removal method for the heat dissipation air holes of the large synchronous motor according to claim 1, wherein the springs are stainless steel springs.
4. The automatic ash removal method for the heat dissipation air holes of the large synchronous motor as claimed in claim 1, wherein the wire diameter of the spring is 1.0mm, the outer diameter is 14.0mm, and the length is 30.0mm.
5. The automatic ash removal method for the heat dissipation air holes of the large synchronous motor according to claim 1, wherein the fixing plate is a stainless steel plate.
6. The automatic ash removal method for the heat dissipation air holes of the large synchronous motor as set forth in claim 1, wherein the thickness of the fixing plate is 10.0mm, the width is 40.0mm, and the length can be manufactured according to the actual length of the stator core.
7. The automatic ash removal method for the heat dissipation air holes of the large synchronous motor according to claim 1, wherein the bolts are M10 x 80 full-wire bolts.
8. The automatic ash removal method for the heat dissipation air holes of the large synchronous motor according to claim 1, wherein the bolts are bolts with adjustable lengths.
9. The automatic ash removal method for heat dissipation air holes of large synchronous motor according to claim 1, wherein the number of the components is 8-10, and the components are arranged in a straight line and are arranged on the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015305.2A CN109759370B (en) | 2019-01-08 | 2019-01-08 | Automatic ash removal device for large synchronous motor heat dissipation air hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015305.2A CN109759370B (en) | 2019-01-08 | 2019-01-08 | Automatic ash removal device for large synchronous motor heat dissipation air hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109759370A CN109759370A (en) | 2019-05-17 |
| CN109759370B true CN109759370B (en) | 2023-11-21 |
Family
ID=66453606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910015305.2A Active CN109759370B (en) | 2019-01-08 | 2019-01-08 | Automatic ash removal device for large synchronous motor heat dissipation air hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109759370B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4461051A (en) * | 1982-09-01 | 1984-07-24 | The Singer Company | Apparatus for cleaning stator windings |
| CN202088072U (en) * | 2011-05-24 | 2011-12-28 | 浙江中兴人防设备有限公司 | Inner wall rust removal device for construction pipeline |
| CN207732566U (en) * | 2018-01-08 | 2018-08-14 | 青岛盈可润传动科技有限公司 | One kind being convenient for clean planet servo motor |
| CN207899773U (en) * | 2017-11-29 | 2018-09-25 | 王艳春 | A kind of electromechanics dust-extraction unit |
-
2019
- 2019-01-08 CN CN201910015305.2A patent/CN109759370B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4461051A (en) * | 1982-09-01 | 1984-07-24 | The Singer Company | Apparatus for cleaning stator windings |
| CN202088072U (en) * | 2011-05-24 | 2011-12-28 | 浙江中兴人防设备有限公司 | Inner wall rust removal device for construction pipeline |
| CN207899773U (en) * | 2017-11-29 | 2018-09-25 | 王艳春 | A kind of electromechanics dust-extraction unit |
| CN207732566U (en) * | 2018-01-08 | 2018-08-14 | 青岛盈可润传动科技有限公司 | One kind being convenient for clean planet servo motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109759370A (en) | 2019-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106238125B (en) | A kind of polishing machine of rice processing | |
| CN208732640U (en) | A kind of environmental protection equipment sewage treatment preventing clogging up device | |
| CN105363812A (en) | Dust removal device for welding wire drawing | |
| CN203971633U (en) | A kind of automatic filtering unit for wind power generating set | |
| CN110695826B (en) | Composite insulator plug system of polishing | |
| CN109759370B (en) | Automatic ash removal device for large synchronous motor heat dissipation air hole | |
| CN108301390B (en) | Underwater dirt cleaning system for hydraulic and hydroelectric engineering | |
| CN210411722U (en) | Nut cleaning equipment | |
| CN201720758U (en) | Derusting machine for horizontal continuous casting of copper-clad steel composite section material | |
| CN209736144U (en) | Cleaning device for battery pole piece rolling mill | |
| CN103480210A (en) | Dust collector for energy-saving environment-friendly axial flow fan group | |
| CN202017027U (en) | Dogskin deoiler | |
| CN206327813U (en) | A kind of discharger of easy cleaning | |
| CN210779564U (en) | Electrical cabinet with dust removal function | |
| CN204107223U (en) | A kind of cartridge cleaning device | |
| CN102832755A (en) | Method for replacement of engine bearings in engine compartment of fan | |
| CN220405142U (en) | Explosion-proof motor processing dust collector | |
| CN110586598A (en) | Aeroengine turbine blade washs positioning fixture | |
| CN219987187U (en) | Steel pipe inner wall rust cleaning device | |
| CN219497728U (en) | Cleaning device for semiconductor etching | |
| CN218507833U (en) | Annealing furnace cooling device | |
| CN213869980U (en) | Safety protection mechanism of steam turbine for power plant | |
| CN214464697U (en) | Ventilation filter equipment | |
| CN217109827U (en) | Fan filter unit device for clean room | |
| CN219176480U (en) | Combined top cover structure of water turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240122 Address after: 831100 tasihe Industrial Park, Manas County, Changji Hui Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: XINJIANG ZHONGNENG WANYUAN CHEMICAL CO.,LTD. Country or region after: China Address before: 236400 Linhua Road, Linquan County, Fuyang, Anhui 2 Patentee before: ANHUI JINMEI ZHONGNENG CHEMICAL INDUSTRIAL Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |