CN202513707U - Non-explosion-proof motor suitable for explosion-proof environment - Google Patents
Non-explosion-proof motor suitable for explosion-proof environment Download PDFInfo
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- CN202513707U CN202513707U CN2012201791849U CN201220179184U CN202513707U CN 202513707 U CN202513707 U CN 202513707U CN 2012201791849 U CN2012201791849 U CN 2012201791849U CN 201220179184 U CN201220179184 U CN 201220179184U CN 202513707 U CN202513707 U CN 202513707U
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Abstract
The utility model provides a non-explosion-proof motor suitable for an explosion-proof environment which comprises a motor and a motor bracket. The motor is the non-explosion-proof motor and is fixed on a motor fixing surface of the motor bracket. The non-explosion-proof motor suitable for the explosion-proof environment is characterized by further comprising a metal isolation protective cover and an explosion-proof metal hose, the metal isolation protective cover covers the motor, and edges of the metal isolation protective cover are hermetically fixed on the motor fixing surface of the motor bracket. The metal isolation protective cover is provided with a cable hole, one end of the explosion-proof metal hose is hermetically fixed on the cable hole, a cable of the motor is led to an electric control cabinet through the explosion-proof metal hose, and the other end of the explosion-proof metal hose is hermetically connected with the electric control cabinet. The non-explosion-proof motor suitable for the explosion-proof environment can enable a general-purpose machine tool to be suitable for the explosion-proof environment, can reduce cost of the machine tool, is simple in structure and enables an existing machine tool to avoid being transformed on a large scale.
Description
Technical field
The utility model relates to a kind of motor that can in explosion-proof environment, use, relates in particular to a kind of explosive-proof grade that is applicable to and is not higher than the non-fire-proof motor of dII bT4 explosion-proof environment.
Background technology
Lathe comprises machine tool and Digit Control Machine Tool, lathe extensive use in each industrial trade as the most basic industrial machine tool.But for the lathe that need in explosion-proof environment, use, lathe should have explosion-proof performance.
Digit Control Machine Tool is through digital control system each axle (comprising main shaft, each feed shaft) of lathe to be controlled, and lathe is processed automatically.Digital control system comprises control unit and servo system; Wherein servo system comprises servo-driver and servomotor; Being different from general servo system, is the special servo system that digital control system producer develops for digital control system separately, makes it can give full play to the digital control system function.But digital control system manufacturer uses explosion-proof servomotor as yet on Digit Control Machine Tool, and explosion-proof servomotor price be common servomotor more than ten times in addition more.Even digital control system manufacturer uses explosion-proof servomotor, its driver also is difficult to digital control system compatible.
Therefore present lathe, especially Digit Control Machine Tool still can not satisfy the application of explosion-proof environment.
The utility model content
The purpose of the utility model is to provide a kind of non-fire-proof motor that is applicable to explosion-proof environment; To solve the problem that machine motor that prior art exists still is not suitable for being applied to explosion-proof environment, the servomotor in the Digit Control Machine Tool can be used in explosion-proof environment.
In order to address the above problem, the utility model provides a kind of non-fire-proof motor that is applicable to explosion-proof environment, and it comprises motor and electric machine support; Said motor is non-fire-proof motor; Said motor is fixed on the motor stationary plane of said electric machine support, wherein, also comprises metal isolating and protecting cover and explosion-proof metal hose; Said metal isolating and protecting cover is covered on the said motor, and the edge of said metal isolating and protecting cover is sealingly fastened on the motor stationary plane of said electric machine support; Said metal isolating and protecting cover is provided with cable hole; One end of said explosion-proof metal hose is sealingly fastened in said cable hole; The cable of said motor is drawn out to electrical control cabinet by said explosion-proof metal hose, and the other end of said explosion-proof metal hose is sealably coupled to said electrical control cabinet.
According to the above-mentioned a kind of preferred implementation that is applicable to the non-fire-proof motor of explosion-proof environment, wherein, the edge of said metal isolating and protecting cover is bent to form the fixed edge of level, and said fixed edge is sealingly fastened on the motor stationary plane of said electric machine support.
According to the above-mentioned a kind of preferred implementation that is applicable to the non-fire-proof motor of explosion-proof environment; Wherein, The surface roughness on the plane that said fixed edge contacts with said electric machine support is more than Ra1.6, and the surface roughness of the motor stationary plane that said electric machine support contacts with said fixed edge is more than Ra1.6.
According to the above-mentioned a kind of preferred implementation that is applicable to the non-fire-proof motor of explosion-proof environment, wherein, the width of said fixed edge is 12mm at least.
According to the above-mentioned a kind of preferred implementation that is applicable to the non-fire-proof motor of explosion-proof environment, wherein, the thickness of said metal isolating and protecting cover is 5mm at least.
According to the above-mentioned a kind of preferred implementation that is applicable to the non-fire-proof motor of explosion-proof environment, wherein, in said electric machine support, and the spacing of said screw is no more than 50mm to said fixed edge through equally distributed screw.
According to the above-mentioned a kind of preferred implementation that is applicable to the non-fire-proof motor of explosion-proof environment, wherein, the specification of said screw and screws in said electric machine support 7 buttons at least more than M6, and the slit at said screw place seals with explosion-proof clay.
According to the above-mentioned a kind of preferred implementation that is applicable to the non-fire-proof motor of explosion-proof environment; Wherein, One end of said explosion-proof metal hose is fixed in the inboard of said metal isolating and protecting cover through nut; And connecting thread at least 7 buttons of said explosion-proof metal hose, the slit at said connecting thread place seals with explosion-proof clay.
According to the above-mentioned a kind of preferred implementation that is applicable to the non-fire-proof motor of explosion-proof environment, wherein, said metal isolating and protecting cover is provided with explosion-proof clay with the place, slit that combines of said electric machine support.
According to the above-mentioned a kind of preferred implementation that is applicable to the non-fire-proof motor of explosion-proof environment; Wherein, Said motor is the servomotor of Digit Control Machine Tool; And the encoder of said motor is positioned at the inside of said metal isolating and protecting cover, and the encoder cable of said motor is also drawn by said explosion-proof metal hose.
Through metal isolating and protecting cover is set; The utility model can be so that the motor of machine tool be applicable to explosion-proof environment; Servomotor in the Digit Control Machine Tool can be applied in the explosion-proof environment, and then reduce machine tool applications, and the utility model is simple in structure in the cost of explosion-proof environment; Can avoid large-scale redevelopment to existing lathe, and the compatible problem of free of data.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment.
Reference numeral: 1 metal isolating and protecting cover; 2 motors; 3 electric machine supports; 4 fixed edges; 5 screws; 6 nuts; 7 explosion-proof metal hoses; 8 screw threads; 9 cable hole; 11 power wiring seats; 12 power cables; 13 encoders; 14 encoder sockets; 15 encoder cables; 21 output shafts; 31 motor stationary planes; 41 planes.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is explained further details.
Fig. 1 shows the schematic structure of the utility model preferred embodiment, and is as shown in the figure, and this preferred embodiment comprises metal isolating and protecting cover 1, motor 2, electric machine support 3 and explosion-proof metal hose 7.Metal isolating and protecting cover 1 can be cast aluminium alloy, cast iron, carbon steel, stainless steel etc.Preferably, the thickness of metal isolating and protecting cover is 5mm at least, for example 5mm, 8mm, 10mm etc.This motor 2 is non-fire-proof motor, to embody the beneficial effect of the utility model.Motor 2 is fixed on the motor stationary plane 31 of electric machine support 3, and electric machine support 3 is provided with an opening (unmarked among the figure), is connected with the drive disk assembly of lathe thereby the output shaft 21 of motor 2 passes this opening.Certainly, the contact-making surface between motor 2 and the motor stationary plane 31 fits tightly.Metal isolating and protecting cover 1 is covered on the motor 2, and the edge of metal isolating and protecting cover 1 is sealingly fastened on the motor stationary plane 31 of electric machine support 3, also be the edge of metal isolating and protecting cover 1 be positioned at motor 2 around.Metal isolating and protecting cover 1 is provided with cable hole 9; One end of explosion-proof metal hose 7 is sealingly fastened in cable hole 9; The other end can be connected with the electrical control cabinet of motor 2 is airtight; The cable of motor 2 is then drawn by explosion-proof metal hose 7, and is as shown in the figure, and power cable 12, encoder cable 15 extend metal isolating and protecting cover 1 along explosion-proof metal hose 7.
In this preferred embodiment, in order to promote sealing and the structural stability between metal isolating and protecting cover 1 and the electric machine support 2, the edge of metal isolating and protecting cover 1 is bent to form the fixed edge 4 of level.The width W of fixed edge is at least 12mm, for example 12mm, 13mm, 15mm, 20mm etc.Fixed edge 4 is sealingly fastened on the motor stationary plane 31 of electric machine support 3 through screw 5.Screw 5 evenly distributes along fixed edge 4, and the spacing of adjacent screw 5 is no more than 50mm, for example 50mm, 45mm, 35mm etc.The specification of screw 5 is more than M6, and the degree of depth that screws in electric machine support 3 reaches 7 buttons at least, for example 7 buttons, 8 buttons, 10 buttons, 15 buttons etc.The slit at each screw 5 place also is coated with explosion-proof clay.The surface roughness on the plane 41 that fixed edge 4 contacts with electric machine support 2 is more than Ra1.6; For example Ra1.6, Ra0.8, Ra0.4 etc.; The surface roughness of the motor stationary plane 31 that electric machine support 2 contacts with fixed edge 4 more than Ra1.6, for example Ra1.6, Ra0.8, Ra0.4 etc.The two realization is fitted tightly.Slit between plane 41 and the motor stationary plane 31 is coated with explosion-proof clay (not shown).
One end radial contraction of explosion-proof metal hose 7 attenuates; Insert in the cable hole 9; Insertion portion is provided with screw thread 8; Through nut 6 end of explosion-proof metal hose 7 is fixed in the inboard of metal isolating and protecting cover 1 whereby, and the connecting thread of explosion-proof metal hose 7 reaches 7 buttons at least, for example 7 buttons, 8 buttons, 10 buttons, 15 buttons etc.And the slit at connecting thread place also is coated with explosion-proof clay.
In this preferred embodiment, motor 2 is a servomotor, and the encoder 13 of motor 2 is positioned at the inside of metal isolating and protecting cover 1, and is fixed on the motor 2.The feed cable 12 that is connected in the power wiring seat 11 of motor 2 is connected with electrical control cabinet is airtight through explosion-proof metal hose 7 with the encoder cable 15 that is connected in encoder socket 14, and cable 12,15 is isolated from the outside through the explosion-proof metal hose of overcoat.
To sum up, the utility model is to the lathe that in explosion-proof environment, uses, and through the non-fire-proof motor in the lathe is carried out explosion-proof processing, especially the servomotor in the Digit Control Machine Tool can be used it in explosion-proof environment.Overall structure is simple, and needn't original electrical system of lathe be changed, and cost is lower, the problem that does not exist system to merge.
Can know that by technological general knowledge the utility model can be realized through other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All in the utility model scope or the change that is being equal in the scope of the utility model all comprised by the utility model.
Claims (10)
1. non-fire-proof motor that is applicable to explosion-proof environment; Comprise motor and electric machine support, said motor is non-fire-proof motor, and said motor is fixed on the motor stationary plane of said electric machine support; It is characterized in that; Also comprise metal isolating and protecting cover and explosion-proof metal hose, said metal isolating and protecting cover is covered on the said motor, and the edge of said metal isolating and protecting cover is sealingly fastened on the motor stationary plane of said electric machine support;
Said metal isolating and protecting cover is provided with cable hole; One end of said explosion-proof metal hose is sealingly fastened in said cable hole; The cable of said motor is drawn out to electrical control cabinet by said explosion-proof metal hose, and the other end of said explosion-proof metal hose is sealably coupled to said electrical control cabinet.
2. the non-fire-proof motor that is applicable to explosion-proof environment according to claim 1 is characterized in that, the edge of said metal isolating and protecting cover is bent to form the fixed edge of level, and said fixed edge is sealingly fastened on the motor stationary plane of said electric machine support.
3. the non-fire-proof motor that is applicable to explosion-proof environment according to claim 2; It is characterized in that; The surface roughness on the plane that said fixed edge contacts with said electric machine support is more than Ra1.6, and the surface roughness of the motor stationary plane that said electric machine support contacts with said fixed edge is more than Ra1.6.
4. the non-fire-proof motor that is applicable to explosion-proof environment according to claim 2 is characterized in that the width of said fixed edge is 12mm at least.
5. the non-fire-proof motor that is applicable to explosion-proof environment according to claim 1 is characterized in that the thickness of said metal isolating and protecting cover is 5mm at least.
6. the non-fire-proof motor that is applicable to explosion-proof environment according to claim 2 is characterized in that, in said electric machine support, and the spacing of said screw is no more than 50mm to said fixed edge through equally distributed screw.
7. the non-fire-proof motor that is applicable to explosion-proof environment according to claim 6 is characterized in that, the specification of said screw and screws in said electric machine support 7 buttons at least more than M6, and the slit at place, said screw position seals with explosion-proof clay.
8. the non-fire-proof motor that is applicable to explosion-proof environment according to claim 6; It is characterized in that; One end of said explosion-proof metal hose is fixed in the inboard of said metal isolating and protecting cover through nut; And the connecting thread of said explosion-proof metal hose reaches 7 buttons at least, and the slit at place, said connecting thread position seals with explosion-proof clay.
9. the non-fire-proof motor that is applicable to explosion-proof environment according to claim 1 is characterized in that, said metal isolating and protecting cover is provided with explosion-proof clay with the place, slit that combines of said electric machine support.
10. according to the arbitrary described non-fire-proof motor that is applicable to explosion-proof environment of claim 1-9; It is characterized in that; Said motor is the servomotor in the Digit Control Machine Tool; And the encoder of said motor is positioned at the inside of said metal isolating and protecting cover, and the encoder cable of said motor is also drawn by said explosion-proof metal hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201791849U CN202513707U (en) | 2012-04-24 | 2012-04-24 | Non-explosion-proof motor suitable for explosion-proof environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201791849U CN202513707U (en) | 2012-04-24 | 2012-04-24 | Non-explosion-proof motor suitable for explosion-proof environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202513707U true CN202513707U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201791849U Expired - Fee Related CN202513707U (en) | 2012-04-24 | 2012-04-24 | Non-explosion-proof motor suitable for explosion-proof environment |
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| CN (1) | CN202513707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003445A (en) * | 2015-07-27 | 2015-10-28 | 沈阳耐蚀合金泵股份有限公司 | Submersible electric pump |
-
2012
- 2012-04-24 CN CN2012201791849U patent/CN202513707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003445A (en) * | 2015-07-27 | 2015-10-28 | 沈阳耐蚀合金泵股份有限公司 | Submersible electric pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20180424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |