CN218183092U - Integral type motorized pulley water-cooling heat radiation structure - Google Patents
Integral type motorized pulley water-cooling heat radiation structure Download PDFInfo
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- CN218183092U CN218183092U CN202220782119.9U CN202220782119U CN218183092U CN 218183092 U CN218183092 U CN 218183092U CN 202220782119 U CN202220782119 U CN 202220782119U CN 218183092 U CN218183092 U CN 218183092U
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Abstract
The utility model discloses an integral type motorized pulley water-cooling heat radiation structure, including motorized pulley body and cylinder waterway structure, the inside stator core that is equipped with of motorized pulley body, the stator core outside is equipped with the water jacket base, and water jacket base upper portion is equipped with stator winding, and cylinder waterway structure locates between stator core and the water jacket base to attached on water jacket base inner wall, cylinder waterway structure is U type water route. The heat dissipation area is increased to the maximum in the limited space of the permanent magnet synchronous variable frequency speed regulation integrated electric roller, the U-shaped water channels are additionally welded on the inner wall parts of the stator and the stator winding, the operation temperature is reduced to the maximum extent, high-temperature demagnetization and failure caused by high power heat loss are avoided, the service life is prolonged, and the operation efficiency is improved.
Description
Technical Field
The utility model relates to a mining equipment technical field, specifically speaking relates to integral type motorized pulley water-cooling heat radiation structure technical field.
Background
In the production process of the coal mine industry, transportation is a very important link, and especially a belt conveyor is widely applied due to the characteristics of large transportation amount, high continuous operation efficiency, reliability and the like. However, the power system of the belt conveyor at present has the defects of large volume, low efficiency, multiple fault points, large maintenance amount and the like, so that the energy conservation and consumption reduction are realized, the national policy of low carbon and economy is responded, and the aim of improving the driving power performance of the conveying system of the belt conveyor is always pursued by people in the field. The reliability of the electric roller and the mining frequency converter is directly determined by the quality of the design of the permanent magnet synchronous variable frequency speed regulation integrated electric roller cooling system, and a unique water cooling structure design is required for ensuring the accuracy of temperature control.
The cooling method of the electric roller of the existing traditional belt conveyor is roughly divided into: the former two modes have higher requirements on the quality of the motor and the lubricating oil and do not save energy; the latter saves energy, but relies on conduction, radiation and convection of wind, and the cooling effect is not ideal. Moreover, because the whole system equipment mostly comprises a speed reducer, a coupler and the like, the heat conduction integrated balance cannot be realized, and the universality of the circulating system is not high. The first disadvantage is that: the traditional cooling system design lacks the heat of the permanent magnet roller and heat dissipation calculation, the circulation path of energy-saving and effective cooling water cannot be optimized, the cooling effect is general, and the system flow resistance and the circulating pump power of the cooling water are high; the second disadvantage is that: although the operating efficiency of the permanent magnet synchronous electric roller is up to more than 90 percent, the power loss generated by the relative motion of the magnetic poles is still inevitably converted into mechanical heat energy, the permanent magnet synchronous integrated electric roller has compact structure and large operating power, the expected cooling effect cannot be achieved by relying on a pure air cooling system, the pollution emission is easily generated by adopting an oil cooling system, and the daily maintenance cost is higher. The above problems are urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integral type motorized pulley water-cooling heat radiation structure, maximize ground increase heat radiating area in the limited space of the synchronous Variable Frequency Speed Governing (VFSG) integral type motorized pulley of permanent magnetism, add the welding U-shaped water course at its stator and stator winding inner wall portion, furthest reduces operating temperature, avoids because of the high temperature demagnetization that power heat loss is big and induce, became invalid, increase of service life improves the operating efficiency.
The utility model discloses an integral type motorized pulley water-cooling heat radiation structure, including motorized pulley body and cylinder waterway structure, the inside stator core that is equipped with of motorized pulley body, the stator core outside is equipped with the water jacket base, and water jacket base upper portion is equipped with stator winding, and cylinder waterway structure locates between stator core and the water jacket base to attached on water jacket base inner wall, cylinder waterway structure is U type water route.
Preferably, the roller waterway structure comprises a plurality of channel steel and sealing plates, the channel steel is in a door shape and is welded on the inner wall of the water jacket base, and the channel steel is connected with the channel steel through the sealing plates to form a U-shaped waterway.
Preferably, the channel steel is arranged on the inner wall of the water jacket base at equal intervals.
Preferably, the water jacket base is a cylindrical steel base.
Preferably, the electric roller body is connected with the explosion-proof frequency conversion box body through a support shaft.
Preferably, the explosion-proof frequency conversion box body comprises a rectangular back plate, and a box body water path is arranged in the back plate.
Preferably, the box body waterway is arranged on the back plate in a U-shaped manner.
Preferably, a magnetic steel rotor is arranged at the top of the stator winding.
Preferably, the water jacket base and the roller waterway structure are both subjected to antiseptic treatment.
The utility model has the advantages of as follows:
the utility model relates to a through at the inside stator core that is equipped with of motorized pulley body, the stator core outside is equipped with the water jacket base, water jacket base upper portion is equipped with stator winding, cylinder waterway structure locates between stator core and the water jacket base, and attached on water jacket base inner wall, cylinder waterway structure is U type water route, furthest reduces the operating temperature, avoid because of the high temperature demagnetization that power heat loss is big and induce, become invalid, increase of service life has realized accelerating permanent magnetism synchronization frequency conversion speed governing integral type motorized pulley's heat exchange rate, improve its radiating effect. The pressure of cooling water in the whole system is between 0.2MPa and 3MPa, and the flow of the cooling water is more than or equal to 5m < 3 >/h, so that the working efficiency and the load working capacity of the transmission system are improved, energy is saved, consumption is reduced, and the underground production requirement of a coal mine is met.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a water path structure of the drum;
FIG. 3 is a schematic view of the drum waterway structure;
fig. 4 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.
Description of the drawings:
the device comprises a flame-proof frequency conversion box body, a box body water channel 2, a water jacket base 3, a roller water jacket 4, a stator iron core 5, a stator winding 6, a magnetic steel rotor 7, a support shaft 8, an electric roller body 9, a roller waterway structure 10, channel steel 11 and a sealing plate 12.
Detailed Description
The structure of the present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
As shown in fig. 1-4, the embodiment of the utility model discloses an integral type motorized pulley water-cooling heat radiation structure, including motorized pulley body 9 and cylinder waterway structure 10, inside stator core 5 that is equipped with of motorized pulley body 9, the outside water jacket base 3 that is equipped with of stator core 5, 3 upper portions of water jacket base are equipped with stator winding 6, and cylinder waterway structure 10 locates between stator core 5 and water jacket base 3 to attached on 3 inner walls of water jacket base, cylinder waterway structure 10 is U type water route.
Preferably, the roller waterway structure comprises a plurality of channel steel 11 and a plurality of seal plates 12, wherein the channel steel 11 is in a door shape and is welded on the inner wall of the water jacket base 3, and the channel steel 11 is connected with the channel steel 11 through the seal plates 12 to form a U-shaped waterway.
Preferably, the channel steel 11 is arranged on the inner wall of the water jacket base 3 at equal intervals.
Preferably, the water jacket base 3 is a cylindrical steel base.
Preferably, the electric roller body 9 is connected with the explosion-proof frequency conversion box body 1 through a support shaft 8.
Preferably, the explosion-proof frequency conversion box body 1 comprises a rectangular back plate, and a box body water path (not shown in the figure) is arranged in the back plate.
Preferably, the box waterway is arranged on the back plate in a U shape (not shown in the figure).
Preferably, a magnetic steel rotor 7 is arranged at the top of the stator winding 6.
Preferably, the water jacket base 3 and the roller waterway structure 10 are both subjected to anticorrosion treatment.
This novel structure is at stator core's outside additional welding 20mm thickness water jacket base, inside water jacket base, use stator core as the axle center, circular 24 equallys, 63# channel-section steel and each 12 of 5mm steel shrouding are arranged to the interval equipartition, it is whole to constitute the water course, the tailor-welding is on water jacket base, respectively open into the apopore in the upper and lower part of channel-section steel, make the cooling water course move towards to be "U" font, whole water jacket base inner wall all is the heat conduction surface, directly take away the produced operating temperature of iron core copper winding and magnet steel, derive by the inlet outlet of establishing at stator core.
The back plate of the explosion-proof frequency conversion box of the equipment is a water-cooling heat dissipation device, is arranged in a U shape, has a rectangular cross section, and has the total heat dissipation power of 1521W and the inlet water temperature of less than or equal to 30 degrees; the water jacket base of the permanent magnet roller is welded into a round shape by adopting a Q235A steel plate, and meanwhile, 12 pieces of channel steel and closing plates are uniformly distributed on the inner wall of the water jacket base at intervals to form a whole stator water channel. In order to ensure the strength of the water channel, the water jacket base and the water jacket are welded on the basis of adopting a hot jacket process to prevent water pressure from expanding, and meanwhile, before the water jacket is assembled and welded, the water jacket and the base are subjected to anticorrosion treatment. According to the requirement of the standard MT/T847, the water channel of the circulating system is subjected to a hydrostatic pressure test of 4.5MPa for 5min, and has no deformation and no leakage.
Under the condition that a water taking source is tense, the explosion-proof type beam tube for mining can be connected into a set of water cooling circulation system; under the condition of sufficient resources, the circulation can be carried out respectively without mutual interference. When the on-site water quality is poor in pH value, an air-water cooling device or a filter can be additionally arranged and then connected with the water inlet and the water outlet of the cooling system for use.
The utility model discloses a theory of operation does: the cooling water enters from the water inlet of the explosion-proof frequency conversion box body, firstly cools the core of the explosion-proof frequency conversion box body, then enters the water inlet of the roller water channel from the water outlet of the backboard of the explosion-proof frequency conversion box body, enters the stator core, then enters the U-shaped turn-back type water channel of the stator water jacket from the stator core, flows back and forth for a whole circle, then winds back to the water outlet of the stator core, then flows out, and works in cycles.
The design is to realize that: firstly, the heat dissipation area is increased to the maximum in a limited space of the permanent magnet synchronous variable-frequency speed regulation integrated electric roller, and a U-shaped water channel is additionally welded in the water jacket base, so that the operation temperature is reduced to the maximum, high-temperature demagnetization and failure caused by high power heat loss are avoided, the service life is prolonged, and the operation efficiency is improved; and secondly, the rear back plate of the frequency conversion box is designed into an independent water-cooling heat dissipation device, pipe thread water inlets and water outlets are respectively installed, and the frequency conversion box and the roller water inlet and water outlet can be connected in series to form an integral circulating system or can be connected in parallel to form 2 groups of independent circulating systems, and the frequency conversion box can be determined according to the field conditions.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (9)
1. The utility model provides an integral type motorized pulley water-cooling heat radiation structure which characterized in that: including motorized pulley body and cylinder waterway structure, the inside stator core that is equipped with of motorized pulley body, the stator core outside is equipped with the water jacket base, and water jacket base upper portion is equipped with stator winding, and cylinder waterway structure locates between stator core and the water jacket base to attached on the water jacket base inner wall, cylinder waterway structure is U type water route.
2. The integrated water-cooling heat dissipation structure for the motorized pulley according to claim 1, wherein: the roller water path structure comprises a plurality of channel steel and sealing plates, the channel steel is in a door shape, the channel steel is welded on the inner wall of the water jacket base, and the channel steel are connected through the sealing plates to form a U-shaped water path.
3. The integrated water-cooling heat dissipation structure for electric rollers of claim 2, wherein: the channel steel is arranged on the inner wall of the water jacket base at equal intervals.
4. The integrated water-cooling heat dissipation structure for the motorized pulley according to claim 1, wherein: the water jacket base is a cylindrical steel base.
5. The integrated water-cooling heat dissipation structure for the motorized pulley according to claim 1, wherein: the electric roller body is connected with the explosion-proof frequency conversion box body through the supporting shaft.
6. The integrated water-cooling heat dissipation structure for the motorized pulley according to claim 5, wherein: the explosion-proof frequency conversion box body comprises a rectangular back plate, and a box body water path is arranged in the back plate.
7. The integrated water-cooling heat dissipation structure for the motorized pulley according to claim 6, wherein: the box body water path is arranged on the back plate in a U shape.
8. The integrated water-cooling heat dissipation structure for electric rollers of claim 1, wherein: and a magnetic steel rotor is arranged at the top of the stator winding.
9. The integrated water-cooling heat dissipation structure for the motorized pulley according to claim 1, wherein: and the water jacket base and the roller waterway structure are subjected to anti-corrosion treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220782119.9U CN218183092U (en) | 2022-04-06 | 2022-04-06 | Integral type motorized pulley water-cooling heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220782119.9U CN218183092U (en) | 2022-04-06 | 2022-04-06 | Integral type motorized pulley water-cooling heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218183092U true CN218183092U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220782119.9U Active CN218183092U (en) | 2022-04-06 | 2022-04-06 | Integral type motorized pulley water-cooling heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218183092U (en) |
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2022
- 2022-04-06 CN CN202220782119.9U patent/CN218183092U/en active Active
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