CN102013763A - Coder installation structure of self-cooling variable-frequency motor - Google Patents
Coder installation structure of self-cooling variable-frequency motor Download PDFInfo
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- CN102013763A CN102013763A CN2011100017282A CN201110001728A CN102013763A CN 102013763 A CN102013763 A CN 102013763A CN 2011100017282 A CN2011100017282 A CN 2011100017282A CN 201110001728 A CN201110001728 A CN 201110001728A CN 102013763 A CN102013763 A CN 102013763A
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- motor
- main shaft
- fixedly connected
- machine main
- coder
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Abstract
The invention relates to a coder installation structure of a self-cooling variable-frequency motor, comprising the self-cooling variable-frequency motor and a motor main shaft which is located on the self-cooling variable-frequency motor; the end part of the motor main shaft is provided with a motor end cover via a bearing; the end part of the motor end cover is fixedly connected with a wind cover; the end part of the motor main shaft penetrates through the wind cover and rotates; a motor fan is arranged between the wind cover and the motor end cover; the motor fan is fixedly connected with the motor main shaft; the motor main shaft is provided with a coder relative to the end part which penetrates out of the wind cover; a coder small shaft of the coder is fixedly connected with the motor main shaft; and the coder is fixedly connected with a support block located on the wind cover via a connection plate. The coder of the invention can obtain the rotational speed of the motor main shaft via the coder small shaft, can adjust the rotational speed demand of corresponding textile machines according to the rotational speed of the motor main shaft, and does not change the installation structures of the original motor end cover and the motor fan. The coder is simple in installation structure, low in installation cost, convenient in installation operation, safe and reliable.
Description
Technical field
The present invention relates to a kind of structure of installing encoders, especially a kind of structure of installing encoders of self cooling variable-frequency motor belongs to the technical field of self cooling variable-frequency motor.
Background technology
At present, China's electromechanics trade development is more and more rapider, and the applied occasion of motor also more and more widely; Wherein, the employed motor of textile industry requires textile machine need in time adjust the rotating speed of plant equipment according to motor speed, encoder is then well realized this regulatory function, for the motor that cools off in self cooling mode, the installation of encoder is then relatively more difficult.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of structure of installing encoders of self cooling variable-frequency motor is provided, its mounting structure is simple, and installation cost is low, does not change existing design of electrical motor structure, and fitting operation is convenient, and is safe and reliable.
According to technical scheme provided by the invention, the structure of installing encoders of described self cooling variable-frequency motor comprises self cooling variable-frequency motor and is positioned at the electric machine main shaft of described self cooling variable-frequency motor; There is electric motor end cap the end of described electric machine main shaft by Bearing Installation, and the end and the fan housing of described electric motor end cap are fixedly connected, and fan housing is passed in the end of electric machine main shaft, and can rotate relative to fan housing; Be provided with electric motor fan between fan housing and electric motor end cap, described electric motor fan and electric machine main shaft are fixedly connected; Electric machine main shaft is provided with encoder corresponding to passing the outer end of fan housing, and the little axle of the encoder of described encoder is fixedly connected with electric machine main shaft; Encoder is fixedly connected by connecting plate and the back-up block that is positioned on the fan housing.
The little axle of described encoder is fixedly connected by hexagon socket head cap screw and electric machine main shaft.Described connecting plate is fixedly connected by first bolt and back-up block.
Described electric motor end cap is fixedly connected by second bolt and fan housing.Described back-up block is fixed by welding on the fan housing.
Advantage of the present invention: the end of electric machine main shaft is provided with fan housing, and fan housing and electric motor end cap fix, and is provided with electric motor fan between fan housing and electric motor end cap, and electric motor fan is followed electric machine main shaft and rotated, and it is self cooling to lower the temperature to motor; Fan housing is provided with back-up block, encoder fixes by connecting plate and back-up block, the little axle of encoder fixes with electric machine main shaft, thereby encoder can be adjusted the rotating speed requirement of corresponding textile machine according to the rotating speed of electric machine main shaft by little rotating speed that can access electric machine main shaft of encoder, does not change the mounting structure of original electric motor end cap and electric motor fan simultaneously, mounting structure is simple, installation cost is low, and fitting operation is convenient, and is safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in Figure 1: the present invention includes electric machine main shaft 1, electric motor end cap 2, electric motor fan 3, fan housing 4, back-up block 5, connecting plate 6, encoder 7, the little axle 8 of encoder, hexagon socket head cap screw 9, first bolt 10, second bolt 11 and bearing 12.
As shown in Figure 1: by bearing 12 electric motor end cap 2 is installed on the electric machine main shaft 1 of described self cooling variable-frequency motor, electric machine main shaft 1 can rotate relative to electric motor end cap 2.The end of electric motor end cap 2 fixes with fan housing 4 by second bolt 11; Fan housing 4 is positioned at the end of electric machine main shaft 1, and fan housing 4 is passed in an end end of electric machine main shaft 1, and can rotate relative to fan housing 4.2 of fan housing 4 and electric motor end caps are provided with electric motor fan 3, and described electric motor fan 3 is fixedly installed on the electric machine main shaft 1, when electric motor fan 3 is followed electric machine main shaft 1 rotation, can lower the temperature self cooling to self cooling variable-frequency motor.Electric machine main shaft 1 is provided with encoder 7 corresponding to the end that passes fan housing 4, and the little axle 8 of the encoder of described encoder 7 is fixedly connected by hexagon socket head cap screw 9 with electric machine main shaft 1.The housing of encoder 7 is fixed on the back-up block 5 on the fan housing 4 by connecting plate 6, and described connecting plate 6 fixes with back-up block 5 by first bolt 10, and described back-up block 5 is fixedly welded on the fan housing 4.
During work, when electric machine main shaft 1 rotated, electric motor fan 3 was followed electric machine main shaft 1 and is done to rotate synchronously; The air-flow that the rotation of electric motor fan 3 produces can freeze to self cooling variable-frequency motor; The housing of encoder 7 is fixedly installed on the fan housing 4 by connecting plate 6 and back-up block 5, has solved the installation question of encoder 7.When electric machine main shaft 1 rotated, the little axle 8 of the encoder of encoder 7 also rotated synchronously with electric machine main shaft 1, thereby can access the rotating speed of electric machine main shaft 1; The equipment of textile machine can be adjusted corresponding rotating speeds according to the rotating speed of electric machine main shaft 1; Thereby, can when not changing the mounting structure of original electric motor end cap and electric motor fan, the rotating speed of textile machine equipment can be complementary with the rotating speed of electric machine main shaft 1; Mounting structure is simple, and installation cost is low, and fitting operation is convenient, and is safe and reliable.
Claims (5)
1. the structure of installing encoders of a self cooling variable-frequency motor comprises self cooling variable-frequency motor and is positioned at the electric machine main shaft (1) of described self cooling variable-frequency motor; It is characterized in that: the end of described electric machine main shaft (1) is equipped with electric motor end cap (2) by bearing (12), the end of described electric motor end cap (2) and fan housing (4) are fixedly connected, fan housing (4) is passed in the end of electric machine main shaft (1), and can rotate relative to fan housing (4); Be provided with electric motor fan (3) between fan housing (4) and electric motor end cap (2), described electric motor fan (3) is fixedly connected with electric machine main shaft (1); Electric machine main shaft (1) is provided with encoder (7) corresponding to passing the outer end of fan housing (4), and the little axle of the encoder of described encoder (7) (8) is fixedly connected with electric machine main shaft (1); Encoder (7) is fixedly connected by connecting plate (6) and the back-up block (5) that is positioned on the fan housing (4).
2. according to the structure of installing encoders of the described self cooling variable-frequency motor of claim 1, it is characterized in that: the little axle of described encoder (8) is fixedly connected by hexagon socket head cap screw (9) and electric machine main shaft (1).
3. according to the structure of installing encoders of the described self cooling variable-frequency motor of claim 1, it is characterized in that: described connecting plate (6) is fixedly connected by first bolt (10) and back-up block (5).
4. according to the structure of installing encoders of the described self cooling variable-frequency motor of claim 1, it is characterized in that: described electric motor end cap (2) is fixedly connected by second bolt (11) and fan housing (4).
5. according to the structure of installing encoders of the described self cooling variable-frequency motor of claim 1, it is characterized in that: described back-up block (5) is fixed by welding on the fan housing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100017282A CN102013763A (en) | 2011-01-06 | 2011-01-06 | Coder installation structure of self-cooling variable-frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100017282A CN102013763A (en) | 2011-01-06 | 2011-01-06 | Coder installation structure of self-cooling variable-frequency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102013763A true CN102013763A (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100017282A Pending CN102013763A (en) | 2011-01-06 | 2011-01-06 | Coder installation structure of self-cooling variable-frequency motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN102013763A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532310A (en) * | 2013-10-23 | 2014-01-22 | 中达电机股份有限公司 | Mounting structure of hollow shaft encoder in self-cooled motor |
| CN103746516A (en) * | 2013-12-23 | 2014-04-23 | 江苏永钢集团有限公司 | Device encoder of cooling fan of hoist motor |
-
2011
- 2011-01-06 CN CN2011100017282A patent/CN102013763A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532310A (en) * | 2013-10-23 | 2014-01-22 | 中达电机股份有限公司 | Mounting structure of hollow shaft encoder in self-cooled motor |
| CN103532310B (en) * | 2013-10-23 | 2015-09-30 | 中达电机股份有限公司 | The mounting structure of hollow shaft encoder in non-ventilated motor |
| CN103746516A (en) * | 2013-12-23 | 2014-04-23 | 江苏永钢集团有限公司 | Device encoder of cooling fan of hoist motor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110413 |