CN211183565U - Mining flame-proof permanent magnet electric roller stator circulating cooling system - Google Patents
Mining flame-proof permanent magnet electric roller stator circulating cooling system Download PDFInfo
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- CN211183565U CN211183565U CN202020003623.5U CN202020003623U CN211183565U CN 211183565 U CN211183565 U CN 211183565U CN 202020003623 U CN202020003623 U CN 202020003623U CN 211183565 U CN211183565 U CN 211183565U
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- water
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- conversion head
- cooling water
- water jacket
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- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 238000005065 mining Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000000498 cooling water Substances 0.000 claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 230000005389 magnetism Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a mining flame-proof permanent magnet electric roller stator circulating cooling system, which comprises a circulating pump, a radiator, a water inlet pipe, a water outlet pipe, a conversion head and a double helix cooling water jacket; the double-helix cooling water jacket is arranged in the explosion-proof permanent magnet electric roller stator; a hollow shaft is sleeved in the double-helix cooling water jacket, and a stator coil is arranged on the outer side of the double-helix cooling water jacket; the conversion head is arranged in the hollow shaft; the water inlet pipe and the water outlet pipe are simultaneously connected to the vertical end surface of the conversion head; the horizontal plane of the conversion head is provided with water pipes which are respectively connected with the double-helix cooling water jacket; the double-helix cooling water jacket is connected with the water inlet pipe and the water outlet pipe through the conversion head; the other ends of the water inlet pipe and the water outlet pipe are respectively connected to the circulating pump; the circulating pump and the radiator are connected together through a water pipe.
Description
Technical Field
The utility model relates to a mine underground transportation technical field, concretely relates to mining flame proof permanent magnetism motorized pulley stator circulative cooling system.
Background
At present, in the production process of the coal mine industry, transportation is a very important link, and especially, a belt conveyor has the characteristics of large transportation amount, high continuous operation efficiency, reliability and the like and is widely applied. However, the power system of the existing belt conveyor has the defects of large volume, low efficiency, multiple fault points and large maintenance amount. The low carbon, high efficiency, reliability, economy, practicability and the like are all important key points of enterprise attention. The energy conservation and consumption reduction are realized, the national policy of low-carbon economy is responded, the driving power performance of the belt conveyor transportation system is improved, and the aim of pursuing by enterprises is also achieved. The design of the permanent magnet synchronous roller cooling system directly determines the reliability of the electric roller and the mining frequency converter, and the cooling system of the transmission system of the existing belt conveyor has the following defects: (1) most of the axial cooling water jackets sleeved on the stator shafts are adopted to help the motors to dissipate heat, water ways of the axial cooling water jackets are guided in a plurality of right angles, and the S-shaped circulation paths greatly increase the flow resistance of the system, so that the heat of the stator core cannot be taken away in time under the lower pressure of cooling water; (2) most of cooling systems discharge cooling water after carrying heat from the motor, so that the problems of difficult water taking and water resource waste are caused; (3) the traditional cooling system design lacks the heat of permanent magnetism cylinder and heat dissipation calculation, can't select the circulation route of energy-conserving effectual cooling water optimally, and the cooling effect is general, and the system flow resistance and the circulating pump power of cooling water are higher simultaneously.
In recent years, a permanent magnet synchronous motor is used as external power and applied to electric dragging of high-power belt conveyors in coal mines and the like, and the traditional speed reducer, a coupler and hydraulic coupling are omitted in the transmission system. The transmission efficiency can be improved by 20-30%, so that the belt conveyor can realize high efficiency, large torque and adjustable speed, the application of the product is a revolution in the field of electric transmission, but the product has the defects of large volume, large floor area, small space and inconvenient installation especially underground.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mining flame proof permanent magnetism motorized pulley stator circulative cooling system, through redesign cooling water's circulating path, increase the area of contact with the cooling water, improve the velocity of water flow, strengthen the cooling effect, still need to reduce the system flow resistance as far as possible simultaneously to reduce the power of water pump; the automatic air-water cooler system of water tank dispels the heat to the cooling water through in the cylinder water course and gets into the cylinder inside again and carry out circulative cooling, has solved the problem of water intaking difficulty, water waste, has improved the commonality of system.
In order to achieve the above object, the present invention provides the following technical solutions:
a mining explosion-proof permanent magnet electric roller stator circulating cooling system comprises a circulating pump, a radiator, a water inlet pipe, a water outlet pipe, a conversion head and a double-helix cooling water jacket; the double-helix cooling water jacket is arranged in the explosion-proof permanent magnet electric roller stator; a hollow shaft is sleeved in the double-helix cooling water jacket, and a stator coil is arranged on the outer side of the double-helix cooling water jacket; the conversion head is arranged in the hollow shaft; the water inlet pipe and the water outlet pipe are simultaneously connected to the vertical end surface of the conversion head; the horizontal plane of the conversion head is provided with water pipes which are respectively connected with the double-helix cooling water jacket; the double-helix cooling water jacket is connected with the water inlet pipe and the water outlet pipe through the conversion head; the other ends of the water inlet pipe and the water outlet pipe are respectively connected to the circulating pump; the circulating pump and the radiator are connected together through a water pipe.
The conversion head is T-shaped, and two mutually independent water channels are arranged in the conversion head; the outer circle surface of the conversion head is provided with a positioning thread.
The double-helix cooling water jacket comprises an outer cylinder, an inner cylinder, a helical plate and a pipe joint; the spiral plate is provided with 2 spiral plates which are fixed between the outer cylinder and the inner cylinder to form 2 parallel spiral water channels; the outer cylinder and the inner cylinder are provided with buffer water cavities which are connected with the different spiral water channels; the pipe joints are respectively connected with the ends of the spiral water channels.
The screw pitch of the spiral plate is not less than 10-15 mm.
In the technical scheme, the utility model provides a technological effect and advantage:
the circulating path of the cooling water is redesigned, so that the contact area of the cooling water and the cooling water is increased, the water flow speed is improved, the cooling effect is enhanced, and meanwhile, the flow resistance of the system is reduced as much as possible so as to reduce the power of the water pump; the automatic air-water cooler system of water tank dispels the heat to the cooling water through in the cylinder water course and gets into the cylinder inside again and carry out circulative cooling, has solved the problem of water intaking difficulty, water waste, has improved the commonality of system.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a partial sectional structure of a cooling water jacket according to the present invention;
FIG. 3 is a schematic sectional view of the end of the cooling water jacket according to the present invention;
fig. 4 is a schematic sectional view of the switching head of the present invention.
Description of reference numerals:
A. a stator coil; B. a double-helix cooling water jacket; C. a conversion head; D. a water inlet pipe; E. a water outlet pipe; F. a circulation pump; G. a heat sink; H. supporting the web; K. a hollow shaft; 1. a buffer water chamber; 2. an outer cylinder; 3. a spiral water channel A; 4. a spiral water channel B; 5. a pipe joint; 6. an inner barrel; 7. a spiral plate; 8. a water channel A; 9. a water channel B; 10. and (4) external threads.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The mining flame-proof permanent magnet electric roller stator circulating cooling system shown in fig. 1 to 4 comprises a circulating pump F, a radiator G, a water inlet pipe D, a water outlet pipe F, a conversion head C and a double-spiral cooling water jacket B; the double-helix cooling water jacket B can effectively increase and reduce the mixed flow phenomenon of cooling water and increase the contact area of the cooling water and the heat transfer wall surface (the spiral plate 7 is increased). The flow direction of the cooling water is fixed, and the power of the circulating pump F can be reduced.
In order to realize the purpose, the double-helix cooling water jacket B is arranged inside the explosion-proof permanent magnet electric roller stator and is connected to the hollow shaft K through a supporting radial plate H; a hollow shaft K is sleeved in the double-helix cooling water jacket B, namely, the inner cylinder 6 is in direct contact with the hollow shaft K.
A stator coil A is arranged on the outer side of the double-helix cooling water jacket B; the heat generated by the stator coil A is transferred to the cooling water through the outer cylinder 2; meanwhile, the spiral plate 7 also has a certain heat conduction function, and the cooling efficiency is improved.
The conversion head C is arranged in the hollow shaft K; the water inlet pipe D and the water outlet pipe E are simultaneously connected to the vertical end face of the conversion head C; the horizontal plane of the conversion head C is provided with water pipes which are respectively connected with the double-helix cooling water jacket B; the double-helix cooling water jacket B is connected with a water inlet pipe D and a water outlet pipe E through a conversion C; the other ends of the water inlet pipe C and the water outlet pipe E are respectively connected to the circulating pump F; the circulating pump F and the radiator G are connected together through a water pipe.
The conversion head C is T-shaped, and a water channel A8 and a water channel B9 which are mutually independent are arranged in the conversion head C; the outer circle surface of the conversion head C is provided with an external thread 10 which is used for connecting with the corresponding part of the hollow shaft K.
The double-helix cooling water jacket B comprises an outer cylinder 2, an inner cylinder 6, a helical plate 7 and a pipe joint 5; the spiral plate 7 is provided with 2 strips and is fixed between the outer cylinder 2 and the inner cylinder 6 to form 2 parallel spiral water channels A3 and B4; the outer cylinder 2 and the inner cylinder 6 are provided with a buffer water cavity 1, and the buffer water cavity 1 is connected with a spiral water channel A3 and a spiral water channel B4; the pipe joint C is connected to the ends of the spiral waterway a3 and the spiral waterway B4 through the pipe joint 5, respectively.
The screw pitch of the spiral plate 7 is not less than 10-15 mm.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (4)
1. The utility model provides a mining flame proof permanent magnetism motorized pulley stator circulative cooling system, includes circulating pump, radiator, inlet tube and outlet pipe, its characterized in that: the double-helix cooling water jacket also comprises a conversion head and a double-helix cooling water jacket; the double-helix cooling water jacket is arranged in the explosion-proof permanent magnet electric roller stator; a hollow shaft is sleeved in the double-helix cooling water jacket, and a stator coil is arranged on the outer side of the double-helix cooling water jacket; the conversion head is arranged in the hollow shaft; the water inlet pipe and the water outlet pipe are simultaneously connected to the vertical end surface of the conversion head; the horizontal plane of the conversion head is provided with water pipes which are respectively connected with the double-helix cooling water jacket; the double-helix cooling water jacket is connected with the water inlet pipe and the water outlet pipe through the conversion head; the other ends of the water inlet pipe and the water outlet pipe are respectively connected to the circulating pump; the circulating pump and the radiator are connected together through a water pipe.
2. The mining flameproof permanent magnet electric roller stator circulating cooling system according to claim 1, characterized in that: the conversion head is T-shaped, and two mutually independent water channels are arranged in the conversion head; the outer circle surface of the conversion head is provided with a positioning thread.
3. The mining flameproof permanent magnet electric roller stator circulating cooling system according to claim 1, characterized in that: the double-helix cooling water jacket comprises an outer cylinder, an inner cylinder, a helical plate and a pipe joint; the spiral plate is provided with 2 spiral plates which are fixed between the outer cylinder and the inner cylinder to form 2 parallel spiral water channels; the outer cylinder and the inner cylinder are provided with buffer water cavities which are connected with the different spiral water channels; the pipe joints are respectively connected with the ends of the spiral water channels.
4. The mining flameproof permanent magnet electric roller stator circulating cooling system according to claim 3, characterized in that: the screw pitch of the spiral plate is not less than 10-15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020003623.5U CN211183565U (en) | 2020-01-02 | 2020-01-02 | Mining flame-proof permanent magnet electric roller stator circulating cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020003623.5U CN211183565U (en) | 2020-01-02 | 2020-01-02 | Mining flame-proof permanent magnet electric roller stator circulating cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN211183565U true CN211183565U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020003623.5U Expired - Fee Related CN211183565U (en) | 2020-01-02 | 2020-01-02 | Mining flame-proof permanent magnet electric roller stator circulating cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211183565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982367A (en) * | 2020-08-20 | 2020-11-24 | 临沂会宝岭铁矿有限公司 | Mining belt permanent magnetism cylinder power detection device |
| CN112671173A (en) * | 2021-03-15 | 2021-04-16 | 上海彩虹鱼海洋科技股份有限公司 | Circulating cooling system and method for rotor brushless motor in unmanned boat |
-
2020
- 2020-01-02 CN CN202020003623.5U patent/CN211183565U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982367A (en) * | 2020-08-20 | 2020-11-24 | 临沂会宝岭铁矿有限公司 | Mining belt permanent magnetism cylinder power detection device |
| CN112671173A (en) * | 2021-03-15 | 2021-04-16 | 上海彩虹鱼海洋科技股份有限公司 | Circulating cooling system and method for rotor brushless motor in unmanned boat |
| CN112671173B (en) * | 2021-03-15 | 2021-06-29 | 上海彩虹鱼海洋科技股份有限公司 | Circulating cooling system and method for rotor brushless motor in unmanned boat |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |