CN221042541U - High-efficiency motor for steel wire rope electric hoist - Google Patents
High-efficiency motor for steel wire rope electric hoist Download PDFInfo
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- CN221042541U CN221042541U CN202322670413.8U CN202322670413U CN221042541U CN 221042541 U CN221042541 U CN 221042541U CN 202322670413 U CN202322670413 U CN 202322670413U CN 221042541 U CN221042541 U CN 221042541U
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- motor
- wire rope
- electric hoist
- rotor
- electromagnetic brake
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 9
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005465 channeling Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical group [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 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
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a high-efficiency motor for a steel wire rope electric hoist, which comprises a motor shell structure, a rotor assembly structure, a stator assembly structure and an electromagnetic brake structure, wherein the motor shell structure comprises a base, a front end cover body structure, a rear end cover body and a fan housing, the electromagnetic brake structure is a manual release electromagnetic brake structure, and the manual release electromagnetic brake structure is connected with the rotor assembly structure; the rotor assembly structure at the rear part of the manual release electromagnetic brake structure is connected with a fan, a deep groove ball bearing is arranged between the front end cover body structure and the steel wire rope electric hoist, and the deep groove ball bearing and the shaft body of the rotor assembly structure are connected with a winding drum device of the steel wire rope electric hoist. The motor front cover and the conical rotor motor can be universal, the shaft extension part of the rotor is consistent with the interface of the conical motor, the required interchangeability of a CD hoist is met, and the cylindrical stator and the rotor are adopted, so that the motor rotor does not have axial movement, and the faults of intermediate transmission parts are few.
Description
Technical Field
The utility model relates to a welding tool, in particular to a high-efficiency motor for a steel wire rope electric hoist.
Background
At present, the lifting mechanism of the CD type steel wire rope electric hoist in the domestic market still adopts a conical rotor motor, and as the conical rotor motor adopts mechanical brake, after a stator is electrified, the motor generates rotating magnetic field force, and meanwhile, the axial magnetic pulling force of a product and the rotor of a fan brake wheel axially move, the brake is opened, and the rotor starts to rotate. The motor has simple structure, low price and high energy consumption. Along with the strong promotion of energy conservation, emission reduction and consumption reduction in China, the conical rotor motor can only be used in low-end markets and is gradually eliminated by industries.
The faults of the whole rotor shaft channeling frequently occur, the interface installation part of the common Y-series efficient motor is inconsistent with the existing hoist installation opening, and the braking moment and the lifting performance cannot meet the needs of some users. In view of the above, a high-efficiency motor for a wire rope electric hoist has been developed.
Disclosure of utility model
The utility model aims to provide a high-efficiency motor for a steel wire rope electric hoist, which solves the problem that the fault of the whole rotor shaft channeling frequently occurs due to the fact that the interface mounting part of a common Y-series high-efficiency motor is inconsistent with the mounting opening of the existing hoist.
The technical scheme adopted for solving the technical problems is as follows: the high-efficiency motor for the steel wire rope electric hoist comprises a motor shell structure, a rotor assembly structure, a stator assembly structure and an electromagnetic brake structure, wherein the motor shell structure comprises a machine base, a front end cover body structure, a rear end cover body and a fan housing, the electromagnetic brake structure is a manual release electromagnetic brake structure, and the manual release electromagnetic brake structure is connected with the rotor assembly structure; the rotor assembly structure at the rear part of the manual release electromagnetic brake structure is connected with a fan, a deep groove ball bearing is arranged between the front end cover body structure and the steel wire rope electric hoist, and the deep groove ball bearing and the shaft body of the rotor assembly structure are connected with a winding drum device of the steel wire rope electric hoist.
The front end cover body structure comprises a front section shaft connection part and a rear end external connection part, wherein a bearing mounting groove is formed in the outer side of the front section shaft connection part, and an oil seal body piece is arranged in the front section shaft connection part in a clearance with the rotor assembly structure.
The manual release electromagnetic brake structure comprises a spline housing, a brake disc assembly, a manual release handle, an armature, an excitation winding and a spring.
The outer side of the spline housing is provided with a balance connecting plate.
The stator assembly structure cylindrical iron core is formed by tightly laminating silicon steel sheets with the thickness of 0.5mm.
The utility model has the beneficial effects that: the motor front cover and the conical rotor motor can be universal, the shaft extension part of the rotor is consistent with the interface of the conical motor, the required interchangeability of a CD hoist is met, and the cylindrical stator and the rotor are adopted, so that the motor rotor does not have axial movement, and the faults of intermediate transmission parts are few. The series of motors are provided with frequency converters which can be installed, the rotating speed is changed in a grading way according to the requirements of load properties, the efficiency and the temperature rise of the motors are about 10% higher under the variable frequency drive, so that the reasonable matching of power and the characteristic of simplifying a speed changing system are achieved, and the motor is suitable for various transmission mechanisms which need to be regulated step by step.
The motor has high efficiency, low energy consumption and good stator and rotor interchangeability, and is favorable for the development needs of mechanical and intelligent production in the future. Because the device has no axial float, the problem of rotor shaft float does not occur, the abrasion of the shaft coupler, the main shaft and the like of the whole hoist is small, the performance is more stable, the noise is low, and the failure rate is greatly reduced. The starting and braking are stable, the impact on the lifted weight is small, the positioning is more accurate, and the deflection preventing performance is good.
The utility model will be described in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic view of the construction of the present utility model.
Fig. 2 is a partial enlarged view of fig. 1.
FIG. 3 is a schematic diagram of the construction of a manual release electromagnetic brake according to the present utility model.
Fig. 4 is a schematic view of an assembled construction of the present utility model.
In the figure: 1. the motor comprises a motor base, a rear end cover body, a rotor assembling structure, a stator assembling structure, a fan, a deep groove ball bearing, a shaft body, a reel device, a front section shaft joint part, a rear end external connection part, a bearing mounting groove, an oil sealing body, a spline housing, a brake disc assembly and a manual release handle, wherein the motor base, the rear end cover body, the rotor assembling structure, the motor base, the stator assembling structure, the motor fan, the deep groove ball bearing, the shaft body, the reel device, the front section shaft joint part, the rear end external connection part, the bearing mounting groove, the oil sealing body, the spline housing, the brake disc assembly, the manual release handle, the armature and the motor.
Detailed Description
The terms "upper," "lower," "inner," "outer," "front," "rear," "both ends," "one end," "the other end," and the like in this application are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Embodiment 1, as shown in fig. 1-4, a high efficiency motor for wire rope electric hoist includes motor housing structure, rotor assembly structure 3, stator assembly structure 4 and electromagnetic braking ware structure, motor housing structure include frame 1, front end housing body structure, rear end housing body 2 and fan housing 20, electromagnetic braking ware structure be manual release electromagnetic braking ware structure, connect fan 5 at manual release electromagnetic braking ware structure rear portion, front end housing body structure and wire rope electric hoist between set up deep groove ball bearing 6, deep groove ball bearing be connected with wire rope electric hoist's reel device 8 through shaft coupling 22 with rotor assembly structure's axis body 7.
The front end cover body structure comprises a front section shaft connection part 9 and a rear end external connection part 10, wherein a bearing mounting groove 11 is formed in the outer side of the front section shaft connection part, an oil seal body piece 12 is arranged in the front section shaft connection part in a clearance with a rotor assembly structure, and a blocking cover body 21 is arranged at the rear end of the deep groove ball bearing 6.
The manual release electromagnetic brake structure comprises a spline housing 13, a brake disc assembly 14, a manual release handle 15, an armature 16, an excitation winding 17 and a spring 18.
The outer side of the spline housing is provided with a balance connecting plate 19.
The front section shaft connection part 9 and the rear end external connection part 10 are consistent with the mounting structure of the motor with the same specification of the conical rotor motor, the material is gray cast iron HT200, and the deep groove ball bearing 6 is sleeved on the neck part of the front section shaft connection part 9 and is fixed by a spring retainer ring for the shaft. The front section shaft connection part 9 is provided with a mounting hole which is connected with the steel wire rope electric hoist winding drum.
The front section of the front end cover body structure of the machine base 1 is connected with the front section shaft connection part 9, the rear end is connected with the external connection part 10, and the front section shaft connection part is fixed by screws and spring washers. The external dimension of the machine seat is basically consistent with that of the conical rotor motor, and the machine seat is ensured to be consistent with the matching space of the steel wire rope electric hoist.
The stator assembly structure 4 is a cylindrical iron core, is formed by tightly laminating 0.5mm thick silicon steel sheets, has the model of 50WW470, and greatly reduces labor intensity and is not easy to cause quality problems compared with the conical rotor motor in the process of assembly, metal processing and the like.
The rotor assembly structure 3 is a cylindrical cast aluminum iron core, is formed by tightly laminating 0.5mm thick silicon steel sheets, has the model of 50WW470, has no axial movement, does not have the problem of rotor shaft movement, and completely converts motor power into rotating magnetic field force, has no axial magnetic pulling force, and reduces motor power loss. The stator and the rotor silicon steel sheets are cold-rolled oriented silicon steel sheets, so that the iron loss is low, and the efficiency of the motor is greatly improved.
The electromagnetic brake with manual release is generally arranged at the non-shaft extension end of the motor, and the motor shaft is fixedly connected with the spline housing 13 through a flat key and then is in spline engagement tight connection with the brake disc assembly 14 through the spline housing 13. When the motor is electrified, an exciting winding 17 of the brake is powered on, an armature 16 is attracted under the action of electromagnetic force, a spring 18 is compressed, the armature 16 is separated from a brake disc assembly 14, the brake is opened, a motor rotating shaft is released, and the motor rotating shaft drives the brake disc assembly 14 to normally operate; when the power is off, the exciting winding 17 is powered off, the electromagnetic force of the attraction armature 16 disappears, the armature 16 is immediately supported by the spring 18, the brake disc assembly 14 and the motor rear cover are pressed together, rotation is stopped, and the brake is in a braking state. When sudden power failure happens, the manual release handle 15 can be pulled manually to slowly release the weight lifted by the crane, thereby playing a role in safety protection.
The motor front cover and the conical rotor motor can be universal, the shaft extension part of the rotor is consistent with the interface of the conical motor, the required interchangeability of a CD hoist is met, and the cylindrical stator and the rotor are adopted, so that the motor rotor does not have axial movement, and the faults of intermediate transmission parts are few. The series of motors are provided with frequency converters which can be installed, the rotating speed is changed in a grading way according to the requirements of load properties, the efficiency and the temperature rise of the motors are about 10% higher under the variable frequency drive, so that the reasonable matching of power and the characteristic of simplifying a speed changing system are achieved, and the motor is suitable for various transmission mechanisms which need to be regulated step by step.
The motor has high efficiency, low energy consumption and good stator and rotor interchangeability, and is favorable for the development needs of mechanical and intelligent production in the future. Because the device has no axial float, the problem of rotor shaft float does not occur, the abrasion of the shaft coupler, the main shaft and the like of the whole hoist is small, the performance is more stable, the noise is low, and the failure rate is greatly reduced. The starting and braking are stable, the impact on the lifted weight is small, the positioning is more accurate, and the deflection preventing performance is good.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
The utility model is not related in part to the same as or can be practiced with the prior art.
Claims (5)
1. The utility model provides a wire rope is high efficiency motor for electric block, includes motor housing structure, rotor assembly structure, stator assembly structure and electromagnetic braking ware structure, its characterized in that: the motor shell structure comprises a machine base, a front end cover body structure, a rear end cover body and a fan housing, wherein the electromagnetic brake structure is a manual release electromagnetic brake structure, and the manual release electromagnetic brake structure is connected with the rotor assembly structure; the rotor assembly structure at the rear part of the manual release electromagnetic brake structure is connected with a fan, a deep groove ball bearing is arranged between the front end cover body structure and the steel wire rope electric hoist, and the deep groove ball bearing and the shaft body of the rotor assembly structure are connected with a winding drum device of the steel wire rope electric hoist.
2. The high efficiency motor for a wire rope electric hoist as claimed in claim 1, wherein: the front end cover body structure comprises a front section shaft connection part and a rear end external connection part, wherein a bearing mounting groove is formed in the outer side of the front section shaft connection part, and an oil seal body piece is arranged in the front section shaft connection part in a clearance with the rotor assembly structure.
3. The high efficiency motor for a wire rope electric hoist as claimed in claim 1, wherein: the manual release electromagnetic brake structure comprises a spline housing, a brake disc assembly, a manual release handle, an armature, an excitation winding and a spring.
4. The high efficiency motor for a wire rope electric hoist as claimed in claim 3, wherein: the outer side of the spline housing is provided with a balance connecting plate.
5. The high efficiency motor for a wire rope electric hoist as claimed in claim 1, wherein: the stator assembly structure cylindrical iron core is formed by tightly laminating silicon steel sheets with the thickness of 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670413.8U CN221042541U (en) | 2023-10-07 | 2023-10-07 | High-efficiency motor for steel wire rope electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670413.8U CN221042541U (en) | 2023-10-07 | 2023-10-07 | High-efficiency motor for steel wire rope electric hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221042541U true CN221042541U (en) | 2024-05-28 |
Family
ID=91175031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322670413.8U Active CN221042541U (en) | 2023-10-07 | 2023-10-07 | High-efficiency motor for steel wire rope electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221042541U (en) |
-
2023
- 2023-10-07 CN CN202322670413.8U patent/CN221042541U/en active Active
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