CN108443186B - Vibration isolation device for ventilator of traction transformer cooling device - Google Patents
Vibration isolation device for ventilator of traction transformer cooling device Download PDFInfo
- Publication number
- CN108443186B CN108443186B CN201810480982.7A CN201810480982A CN108443186B CN 108443186 B CN108443186 B CN 108443186B CN 201810480982 A CN201810480982 A CN 201810480982A CN 108443186 B CN108443186 B CN 108443186B
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- CN
- China
- Prior art keywords
- vibration isolation
- shock pad
- steel wire
- phase asynchronous
- fan
- 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.)
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- 238000002955 isolation Methods 0.000 title claims abstract description 39
- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 230000035939 shock Effects 0.000 claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
Abstract
The invention provides a vibration isolation device for a ventilator of a traction transformer cooling device, which comprises the following components: the device comprises an air outlet channel, a fan, a shock pad bolt, an upper flat washer, an upper steel wire shock pad, a mounting rack, a lower steel wire shock pad, a lower flat washer, a nut, a spring washer and a three-phase asynchronous motor; the air outlet channel is arranged at the top end of the fan and is fixedly connected with the rectangular air outlet flange of the fan through bolts; the shock pad bolt penetrates through the upper flat washer, the three-phase asynchronous motor, the upper steel wire shock pad and the mounting frame in sequence, and the lower part of the shock pad bolt penetrates through the lower steel wire shock pad, the lower flat washer, the spring washer and the nut in sequence to be screwed. Through the improvement of the vibration isolation device, the vibration isolation device has the advantages of sufficiently reducing the transmission of vibration, along with low cost, quick response and the like, thereby effectively solving the problems and the shortcomings of the invention in one background technology.
Description
Technical Field
The invention relates to the technical field of rail transit ventilators, in particular to a vibration isolation device for reducing vibration propagation of a traction transformer cooling device ventilator.
Background
The existing traction transformer cooling device ventilator's three-phase asynchronous motor and mounting bracket are through rigid contact, namely three-phase asynchronous motor direct mount is on the mounting bracket, and traction transformer cooling device ventilator operating time is long and can appear the deposition and arouse impeller quality unbalance, and the rigidity that probably has the mounting bracket simultaneously is not enough, and this all can lead to traction transformer cooling device ventilator to produce vibration in the operation in-process, and vibration passes through the mounting bracket and transmits traction transformer cooling device's installation crossbeam, has reduced traction transformer cooling device's performance and life.
In view of the above, the present invention has been made in view of the above problems, and an object of the present invention is to provide a vibration isolation device for a ventilator of a traction transformer cooling device, which can reduce the propagation of vibration by adding a wire shock pad between a three-phase asynchronous motor of the ventilator of the traction transformer cooling device and a mounting frame and at the bottom of the mounting frame, and which aims to solve the problems and improve the practical value.
Disclosure of Invention
The invention aims to provide a vibration isolation device for a traction transformer cooling device ventilator, which is used for solving the problems and defects that the three-phase asynchronous motor of the existing traction transformer cooling device ventilator is in rigid contact with a mounting frame, namely, the three-phase asynchronous motor is directly mounted on the mounting frame, the impeller quality is unbalanced due to dust accumulation when the traction transformer cooling device ventilator is in long operation time, meanwhile, the rigidity of the mounting frame is possibly insufficient, vibration is generated in the operation process of the traction transformer cooling device ventilator, the vibration is transmitted to a mounting cross beam of the traction transformer cooling device through the mounting frame, the performance and the service life of the traction transformer cooling device are reduced, and the like.
In order to achieve the above purpose, the invention provides a vibration isolation device for a ventilator of a traction transformer cooling device, which is achieved by the following specific technical means:
a vibration isolation apparatus for a traction transformer cooling apparatus ventilator, comprising: the device comprises an air outlet channel, a fan, a shock pad bolt, an upper flat washer, an upper steel wire shock pad, a mounting rack, a lower steel wire shock pad, a lower flat washer, a nut, a spring washer and a three-phase asynchronous motor; the air outlet channel is arranged at the top end of the fan and is fixedly connected with a rectangular air outlet flange on the fan through bolts; the shock pad bolt penetrates through the upper flat washer, the three-phase asynchronous motor, the upper steel wire shock pad and the mounting frame in sequence, and the lower part of the bolt column penetrates through the lower steel wire shock pad, the lower flat washer, the spring washer and the nut in sequence.
As a further optimization of the technical scheme, the vibration isolation device for the ventilator of the traction transformer cooling device is characterized in that the air outlet channel is of a rectangular hollow structure and is fixedly arranged on a rectangular air outlet flange of the ventilator in a bilateral symmetry mode through bolts.
As a further optimization of the technical scheme, the vibration isolation device for the traction transformer cooling device ventilator adopts a symmetrical structure, namely, the ventilator adopts two three-phase asynchronous motors and four impellers, the structure of two boxes is adopted, and the ventilator can operate at two rotating speeds through the three-phase asynchronous motors.
As a further optimization of the technical scheme, the vibration isolation device for the traction transformer cooling device ventilator is characterized in that the three-phase asynchronous motor is a 2/4-pole motor, the three-phase asynchronous motors are double-output shafts, two impellers are respectively arranged at two ends of each three-phase asynchronous motor, and two impellers on the same three-phase asynchronous motor and in the same box body are in symmetrical forms.
As a further optimization of the technical scheme, the vibration isolation device for the traction transformer cooling device ventilator is characterized in that an upper steel wire shock pad is arranged between the top end face of the mounting frame and the three-phase asynchronous motor, and a lower steel wire shock pad is arranged on the bottom end face of the mounting frame in a penetrating way through a shock pad bolt.
As a further optimization of the technical scheme, the vibration isolation device for the ventilator of the traction transformer cooling device comprises an upper flat washer, an upper steel wire shock pad, a lower flat washer and a spring washer, wherein the upper flat washer, the upper steel wire shock pad, the lower flat washer and the spring washer are screwed with a nut through a bolt post, and then the vibration isolation device is formed between a three-phase asynchronous motor and a mounting frame.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the vibration isolation device for the ventilator of the traction transformer cooling device is formed by penetrating a shock pad bolt through an upper flat washer, an upper steel wire shock pad, a lower flat washer and a spring washer and screwing the spring washer with a nut.
2. According to the vibration isolation device for the ventilator of the traction transformer cooling device, the transmission of vibration is effectively reduced through the steel wire shock pad in the vibration isolation device arranged between the three-phase asynchronous motor and the mounting frame.
3. The vibration isolator has the advantages of fully reducing the transmission of vibration, along with low cost, quick response and the like by improving the vibration isolator, thereby effectively solving the problems and the shortcomings of the invention in one background technology.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a front view structure of the present invention;
fig. 3 is a schematic view of an assembly structure of the vibration isolation apparatus of the present invention.
In the figure: the air outlet duct 1, the fan 2, the shock pad bolt 3, the upper flat washer 4, the upper steel wire shock pad 5, the mounting frame 6, the lower steel wire shock pad 7, the lower flat washer 8, the nut 9, the spring washer 10 and the three-phase asynchronous motor 11.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Meanwhile, in the description of the present invention, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, the present invention provides a specific technical embodiment of a vibration isolation device for a ventilator of a cooling device of a traction transformer:
a vibration isolation apparatus for a traction transformer cooling apparatus ventilator, comprising: the air outlet channel 1, the fan 2, the shock pad bolt 3, the upper flat washer 4, the upper steel wire shock pad 5, the mounting frame 6, the lower steel wire shock pad 7, the lower flat washer 8, the nut 9, the spring washer 10 and the three-phase asynchronous motor 11; the air outlet channel 1 is arranged at the top end of the fan 2, and the air outlet channel 1 is fixedly connected with a rectangular air outlet flange on the fan 2 through bolts; the shock pad bolt 3 penetrates through the upper flat washer 4, the three-phase asynchronous motor 11, the upper steel wire shock pad 5 and the mounting frame 6 in sequence, and the lower part of the shock pad bolt 3 penetrates through the lower steel wire shock pad 7, the lower flat washer 8, the spring washer 10 and the nut 9 in sequence.
Specifically, the air outlet duct 1 is of a rectangular hollow structure, and the air outlet duct 1 is arranged in a bilateral symmetry manner and is fixedly arranged on a rectangular air outlet flange of the fan 2 through bolts.
Specifically, the fan 2 adopts a symmetrical structure, namely, the fan 2 adopts two three-phase asynchronous motors and four impellers, the two-box structure is formed, and the fan 2 can operate at two rotating speeds through the three-phase asynchronous motors 11.
Specifically, the three-phase asynchronous motors 11 are 2/4 pole motors, the three-phase asynchronous motors 11 are double-output shafts, two ends of each three-phase asynchronous motor 11 are respectively provided with an impeller, and two impellers on the same three-phase asynchronous motor 11 and in the same box body are in a symmetrical mode.
Specifically, install the steel wire shock pad 5 between the top terminal surface of mounting bracket 6 and the three-phase asynchronous motor 11, and the bottom terminal surface of mounting bracket 6 passes through shock pad bolt 3 cross-under and installs down steel wire shock pad 7, and the last steel wire shock pad 5 on the terminal surface about the mounting bracket 6 has high temperature resistant effect with down steel wire shock pad 7, and can carry out vibration isolation to three direction through the connection between last steel wire shock pad 5 and the lower steel wire shock pad 7, the impeller weight of three-phase asynchronous motor 11 is all born by mounting bracket 6, the box of fan 2 only bears own gravity.
Specifically, the upper flat washer 4, the upper wire shock pad 5, the lower wire shock pad 7, the lower flat washer 8 and the spring washer 10 form a vibration isolation device between the three-phase asynchronous motor 11 and the mounting frame 6 after the nuts 9 are screwed through the bolt posts 3.
The specific implementation steps are as follows:
firstly, the shock pad bolt 3 penetrates through the upper flat washer 4 and then penetrates through the upper steel wire shock pad 5 and then penetrates through the three-phase asynchronous motor 11 and the mounting frame 6, the bottom of the shock pad bolt is sequentially sleeved with the lower steel wire shock pad 7, the lower flat washer 8 and the spring washer 10, and the fixation operation between the three-phase asynchronous motor 11 and the mounting frame 6 can be completed by screwing the nut 9 firmly, so that the shock transmission can be reduced by utilizing the steel wire shock pad between the three-phase asynchronous motor 11 and the mounting frame 6 during use.
To sum up: according to the vibration isolation device for the ventilator of the traction transformer cooling device, the vibration isolation device is reasonable by penetrating an upper flat washer, an upper steel wire shock pad, a lower flat washer and a spring washer through a shock pad bolt and then screwing the shock pad bolt with a nut, so that the problem that the conventional device lacks a reasonable vibration isolation structure is solved; the problem that the vibration propagation range is large due to the fact that a damping device is lacking in an existing device is solved through the steel wire damping pad in the vibration isolation device arranged between the three-phase asynchronous motor and the mounting frame.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A vibration isolation apparatus for a traction transformer cooling apparatus ventilator, comprising: the air outlet channel (1), the fan (2), the shock pad bolt (3), the upper flat washer (4), the upper steel wire shock pad (5), the mounting rack (6), the lower steel wire shock pad (7), the lower flat washer (8), the nut (9), the spring washer (10) and the three-phase asynchronous motor (11); the method is characterized in that: the air outlet channel (1) is arranged at the top end of the fan (2), the air outlet channel (1) is fixedly connected with a rectangular air outlet flange on the fan (2) through bolts, the fan (2) adopts a symmetrical structure, namely, the fan (2) adopts two three-phase asynchronous motors and four impellers, the two-box structure is formed, and the fan (2) can operate at two rotating speeds through the three-phase asynchronous motors (11); an upper steel wire shock pad (5) is arranged between the top end surface of the mounting frame (6) and the three-phase asynchronous motor (11), and a lower steel wire shock pad (7) is arranged on the bottom end surface of the mounting frame (6) in a penetrating way through a shock pad bolt (3); the vibration isolation device is characterized in that the vibration isolation pad bolt (3) sequentially penetrates through the upper flat gasket (4), the three-phase asynchronous motor (11) and the upper steel wire vibration isolation pad (5) to be connected with the mounting frame (6) in a penetrating manner, the lower part of the vibration isolation pad bolt (3) sequentially penetrates through the lower steel wire vibration isolation pad (7), the lower flat gasket (8) and the spring gasket (10) to be connected with the nut (9) in a screwing manner, and the vibration isolation device is formed between the three-phase asynchronous motor (11) and the mounting frame (6) after the upper flat gasket (4) and the upper steel wire vibration isolation pad (5), the lower steel wire vibration isolation pad (7), the lower flat gasket (8) and the spring gasket (10) are connected with the nut (9) in a screwing manner through the vibration isolation pad bolt (3); the three-phase asynchronous motors (11) are 2/4-pole motors, the three-phase asynchronous motors (11) are double-output shafts, two impellers are respectively arranged at two ends of each three-phase asynchronous motor (11), and two impellers on the same three-phase asynchronous motor (11) and in the same box body are in symmetrical forms.
2. The vibration isolation device for a traction transformer cooling device ventilator according to claim 1, wherein: the air outlet channel (1) is of a rectangular hollow structure, and the air outlet channel (1) is arranged in a bilateral symmetry mode and fixedly arranged on a rectangular air outlet flange of the fan (2) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480982.7A CN108443186B (en) | 2018-05-18 | 2018-05-18 | Vibration isolation device for ventilator of traction transformer cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480982.7A CN108443186B (en) | 2018-05-18 | 2018-05-18 | Vibration isolation device for ventilator of traction transformer cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443186A CN108443186A (en) | 2018-08-24 |
| CN108443186B true CN108443186B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810480982.7A Active CN108443186B (en) | 2018-05-18 | 2018-05-18 | Vibration isolation device for ventilator of traction transformer cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443186B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634564B (en) * | 2020-06-05 | 2022-04-12 | 北京清蓝环保机械有限公司 | Concrete finished product hopper |
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| CN202542596U (en) * | 2012-01-17 | 2012-11-21 | 中铁隧道集团二处有限公司 | Belt reeling device |
| CN203335485U (en) * | 2013-07-10 | 2013-12-11 | 株洲联诚集团有限责任公司 | Cooling ventilator used for motor train unit traction converter water cooling device |
| CN204013003U (en) * | 2014-07-18 | 2014-12-10 | 光陆机电有限公司 | High-performance threephase asynchronous |
| CN204022301U (en) * | 2014-08-29 | 2014-12-17 | 河南新科起重机股份有限公司 | A kind of shockproof cart traveling device |
| KR101774285B1 (en) * | 2016-11-25 | 2017-09-06 | 주식회사 삼신기전 | Seismic isolating device |
| KR101847402B1 (en) * | 2018-01-17 | 2018-04-10 | 에이펙스인텍 주식회사 | A photovoltaic power generating apparatus with seismic isolation and vibration simultaneeously |
| CN208185029U (en) * | 2018-05-18 | 2018-12-04 | 株洲联诚集团控股股份有限公司 | A kind of tractive transformer cooling device ventilation blower isolation mounting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170138510A1 (en) * | 2015-11-16 | 2017-05-18 | Dong Yong Kim | Hanger-type vibration isolating device |
-
2018
- 2018-05-18 CN CN201810480982.7A patent/CN108443186B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202542596U (en) * | 2012-01-17 | 2012-11-21 | 中铁隧道集团二处有限公司 | Belt reeling device |
| CN203335485U (en) * | 2013-07-10 | 2013-12-11 | 株洲联诚集团有限责任公司 | Cooling ventilator used for motor train unit traction converter water cooling device |
| CN204013003U (en) * | 2014-07-18 | 2014-12-10 | 光陆机电有限公司 | High-performance threephase asynchronous |
| CN204022301U (en) * | 2014-08-29 | 2014-12-17 | 河南新科起重机股份有限公司 | A kind of shockproof cart traveling device |
| KR101774285B1 (en) * | 2016-11-25 | 2017-09-06 | 주식회사 삼신기전 | Seismic isolating device |
| KR101847402B1 (en) * | 2018-01-17 | 2018-04-10 | 에이펙스인텍 주식회사 | A photovoltaic power generating apparatus with seismic isolation and vibration simultaneeously |
| CN208185029U (en) * | 2018-05-18 | 2018-12-04 | 株洲联诚集团控股股份有限公司 | A kind of tractive transformer cooling device ventilation blower isolation mounting |
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| Publication number | Publication date |
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| CN108443186A (en) | 2018-08-24 |
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