CN103915935A - Mine flame-proof type water filling type submersible motor - Google Patents
Mine flame-proof type water filling type submersible motor Download PDFInfo
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- CN103915935A CN103915935A CN201410112619.1A CN201410112619A CN103915935A CN 103915935 A CN103915935 A CN 103915935A CN 201410112619 A CN201410112619 A CN 201410112619A CN 103915935 A CN103915935 A CN 103915935A
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Abstract
The invention provides a mine flame-proof type water filling type submersible motor, and belongs to the field of flame-proof type submersible motors. The mine flame-proof type water filling type submersible motor comprises a wiring box, an upper guide bearing, a stator, a rotor, a lower guide bearing and a cooler. The wiring box is placed on a spindle of the motor, and the cooler is placed at the lowest end of the motor. A cavity in the motor is filled with clean soft water, a gland is arranged at the connecting position of the wiring box and the spindle of the motor, and a mechanical seal and a framework oil seal are arranged between the gland and the spindle of the motor and between the gland and the wiring box respectively. Compared with the prior art, the cavity in the motor is filled with the clean soft water, so that the motor has good radiating performance in the working process. When water inrush accidents happen in a mine, the mechanical seal between the gland and the spindle of the motor can prevent water inside and outside the motor from exchanging, the framework oil seal between the gland and the wiring box can prevent outside impurities from entering the inside of the motor, the mechanical seal and the framework oil seal together prevent outside objects from entering the inside of the motor to damage a winding, and therefore the service life of the motor is prolonged.
Description
Technical field
The flame-proof type submersible motor that the present invention relates to use under mine, specifically a kind of flame-proof mine Water submersible electric motor.
Background technology
In the process of mining, draining is a very important problem always.At present, traditional drainage pattern is generally that common explosion-proof motor drives MD pump, and the electric efficiency of this mode is high, easy maintenance and installation.But common explosion-proof motor is dry type motor, in the narrow space of down-hole and the in the situation that ventilation condition being general, radiating condition is poor; Meanwhile, the operational environment of down-hole is very moist, after motor stopping, due to the difference of inner and outer temperatures, easily produces condensing drip at motor casing inwall, and it is a lot of that this just makes motor insulation against ground decline, thereby has a strong impact on the useful life of common explosion-proof motor.Especially in the time of mine generation infiltration accident, common explosion-proof motor is submerged under water, can not normally use, and has greatly affected the draining complex ore work of mine.In this case, in the urgent need to a kind of long service life, can meet mine normal production and can solve the problems referred to above at the motor that normal work when infiltration accident occurs again.
Summary of the invention
Technical assignment of the present invention is for the deficiencies in the prior art, and a kind of flame-proof mine Water submersible electric motor with good heat dispersion, sealing property and long service life is provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of flame-proof mine Water submersible electric motor, comprise terminal box, top guide bearing, stator, rotor, lower guide bearing and cooler, described terminal box is positioned on electric machine main shaft, described terminal box downwards successively bolt connecting top guide bearing, stator, lower guide bearing and cooler, described cooler is positioned at motor bottom, in the cavity of described motor internal, be full of clean soft water, the junction of described terminal box and electric machine main shaft is provided with gland, is respectively equipped with mechanical seal, outside framework oil seal between described gland and electric machine main shaft, terminal box.
The coiling group of described stator interior adopts copper conductor, and described copper conductor surface scribbles polyethylene, and described polyethylene layer outside is provided with the sheath of polyolefine material.
Described terminal box inside is provided with power cable binding post and control cables binding post.
Described gland is pressed in terminal box by sunk screw.
Compared with prior art, the beneficial effect producing is a kind of flame-proof mine Water submersible electric motor of the present invention:
In internal cavities of the present invention, be full of clean soft water, make motor in the time of work, there is good heat dispersion; In the time of mine generation infiltration accident, mechanical seal and outside framework oil seal make motor have good sealing property; The polyethylene of the copper conductor parcel of stator interior coiling group and the sheath of polyolefin material, make coiling group have the performance of water pressure resistance proof voltage; Simultaneously, set of terminal box is above motor, reduce the radial dimension of motor, the control cables binding post of terminal box inside is connected external cable with power cable binding post with the lead wire of stator interior, in the time that external cable breakage need to be changed, only need open terminal box and operate, convenient and swift.
Accompanying drawing explanation
Accompanying drawing 1 is section of structure of the present invention.
In figure, 1, power cable, 2, mechanical seal, 3, outside framework oil seal, 4, terminal box, 5, control cables binding post, 6, top guide bearing, 7, stator, 8, rotor, 9, coiling group, 10, lower guide bearing, 11, cooler, 12, power cable binding post, 13, control cables, 14, gland.
Embodiment
Below in conjunction with accompanying drawing, a kind of flame-proof mine Water submersible electric motor of the present invention is described in detail below.
As shown in Figure 1, a kind of flame-proof mine Water submersible electric motor of the present invention, it comprises terminal box 4, top guide bearing 6, stator 7, rotor 8, lower guide bearing 10 and cooler 11, described terminal box 4 is positioned on electric machine main shaft, described terminal box 4 downwards successively bolt connecting top guide bearing 6, stator 7, lower guide bearing 10 and cooler 11, described cooler 11 is positioned at motor bottom, in the cavity of described motor internal, be full of clean soft water, described terminal box 4 is provided with gland 14 with the junction of electric machine main shaft, described gland 14 and electric machine main shaft, between terminal box 4, be respectively equipped with mechanical seal 2, outside framework oil seal 3.
The coiling group 9 of described stator 7 inside adopts copper conductor, and described copper conductor surface scribbles polyethylene, and described polyethylene layer outside is provided with the sheath of polyolefine material.
Described terminal box 4 inside are provided with power cable binding post 12 and control cables binding post 5.
Described gland 14 is pressed in terminal box 4 by sunk screw.
Compared with common explosion-proof motor, what in motor internal cavity of the present invention, be full of is clean soft water, because the heat-conductive characteristic of water is under equal conditions better than air, in the time of machine operation, the heat that machine operation produces first passes to clean soft water, and then with electric machine casing generation heat exchange, finally be dispersed in operate outside environment, make motor there is good heat dispersion, and, due to the Incoercibility of water, the impact that the pressure of outside water produces motor internal is also little, has guaranteed the safe operation of motor; In the time of mine generation infiltration accident, mechanical seal 2 between gland 14 and electric machine main shaft can prevent that the water of the inside and outside portion of motor from exchanging, outside framework oil seal 3 between gland 14 and terminal box 4 can prevent that foreign matter from entering motor internal, thereby avoid the material in the external world to enter motor internal damage coiling group 9, extend the useful life of motor; On the other hand, the copper conductor of the inner coiling group 9 of stator 7 of motor is wrapped with the sheath of polyethylene and polyolefin material, makes coiling group 9 have the performance of water pressure resistance proof voltage, not easily damaged; Meanwhile, terminal box 4 is arranged on to motor top, has reduced the radial dimension of motor, facilitate motor to enter underground work; In terminal box 4, be also provided with control cables binding post 5 and power cable binding post 12, outside control cables 13 and power cable 1 penetrate in terminal box 4, be connected with the lead wire of stator 7 inside with power cable binding post 12 by control cables binding post 5 respectively, in the time there is breakage and need to change in control cables 13 and power cable 1, only need open terminal box 4 and operate, convenient and swift.
A kind of its processing and fabricating of flame-proof mine Water submersible electric motor of the present invention is very simple and convenient, processing and fabricating shown in by specification accompanying drawing.
Except the technical characterictic described in specification, be the known technology of those skilled in the art.
Claims (4)
1. a flame-proof mine Water submersible electric motor, comprise terminal box, top guide bearing, stator, rotor, lower guide bearing and cooler, described terminal box is positioned on electric machine main shaft, described terminal box downwards successively bolt connecting top guide bearing, stator, lower guide bearing and cooler, described cooler is positioned at motor bottom, it is characterized in that: in the cavity of described motor internal, be full of clean soft water, the junction of described terminal box and electric machine main shaft is provided with gland, is respectively equipped with mechanical seal, outside framework oil seal between described gland and electric machine main shaft, terminal box.
2. a kind of flame-proof mine Water submersible electric motor according to claim 1, is characterized in that: the coiling group of described stator interior adopts copper conductor, and described copper conductor surface scribbles polyethylene, and described polyethylene layer outside is provided with the sheath of polyolefine material.
3. a kind of flame-proof mine Water submersible electric motor according to claim 1 and 2, is characterized in that: described terminal box inside is provided with power cable binding post and control cables binding post.
4. a kind of flame-proof mine Water submersible electric motor according to claim 1, is characterized in that: described gland is pressed in terminal box by sunk screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112619.1A CN103915935A (en) | 2014-03-25 | 2014-03-25 | Mine flame-proof type water filling type submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112619.1A CN103915935A (en) | 2014-03-25 | 2014-03-25 | Mine flame-proof type water filling type submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103915935A true CN103915935A (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410112619.1A Pending CN103915935A (en) | 2014-03-25 | 2014-03-25 | Mine flame-proof type water filling type submersible motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN103915935A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768081A (en) * | 2018-08-21 | 2018-11-06 | 昆山普东流体设备有限公司 | Double shells body-internal-circulation submersible motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7400074B2 (en) * | 2005-02-06 | 2008-07-15 | Tianjin Rongheng Group | Combined low power oil filled submersible motor and its protector |
| CN101761488A (en) * | 2008-11-24 | 2010-06-30 | 天津甘泉集团有限公司 | Downdraft high-voltage electric diving pump used for explosion-proof type mines and wells |
| CN201966722U (en) * | 2011-02-10 | 2011-09-07 | 合肥三益江海泵业有限公司 | Mining explosion-proof wet type submersible motor |
| CN202871345U (en) * | 2012-09-20 | 2013-04-10 | 河北国潜线缆有限责任公司 | Crosslinked polyethylene and polyolefin composite insulating water-resistant winding wire |
| CN203420905U (en) * | 2013-08-22 | 2014-02-05 | 山东星源矿山设备集团有限公司 | Mine flame-proof type submerged booster pump |
| CN203761189U (en) * | 2014-03-25 | 2014-08-06 | 山东星源矿山设备集团有限公司 | Mining applied explosion suppression type water-filling submersible electric motor |
-
2014
- 2014-03-25 CN CN201410112619.1A patent/CN103915935A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7400074B2 (en) * | 2005-02-06 | 2008-07-15 | Tianjin Rongheng Group | Combined low power oil filled submersible motor and its protector |
| CN101761488A (en) * | 2008-11-24 | 2010-06-30 | 天津甘泉集团有限公司 | Downdraft high-voltage electric diving pump used for explosion-proof type mines and wells |
| CN201966722U (en) * | 2011-02-10 | 2011-09-07 | 合肥三益江海泵业有限公司 | Mining explosion-proof wet type submersible motor |
| CN202871345U (en) * | 2012-09-20 | 2013-04-10 | 河北国潜线缆有限责任公司 | Crosslinked polyethylene and polyolefin composite insulating water-resistant winding wire |
| CN203420905U (en) * | 2013-08-22 | 2014-02-05 | 山东星源矿山设备集团有限公司 | Mine flame-proof type submerged booster pump |
| CN203761189U (en) * | 2014-03-25 | 2014-08-06 | 山东星源矿山设备集团有限公司 | Mining applied explosion suppression type water-filling submersible electric motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768081A (en) * | 2018-08-21 | 2018-11-06 | 昆山普东流体设备有限公司 | Double shells body-internal-circulation submersible motor |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140709 |