CN220629140U - Non-closed heater for motor repair process - Google Patents
Non-closed heater for motor repair process Download PDFInfo
- Publication number
- CN220629140U CN220629140U CN202321702081.0U CN202321702081U CN220629140U CN 220629140 U CN220629140 U CN 220629140U CN 202321702081 U CN202321702081 U CN 202321702081U CN 220629140 U CN220629140 U CN 220629140U
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- CN
- China
- Prior art keywords
- machine body
- heater
- repair process
- motor repair
- closed heater
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- 230000008439 repair process Effects 0.000 title claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000005291 magnetic effect Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 13
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000004907 flux Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses a non-closed heater used in a motor repairing process, which comprises a machine body and a switch box arranged on the machine body, wherein two support brackets are arranged above two sides of the machine body, coils are fixedly arranged on the two support brackets, iron cores are arranged in the coils, a bearing is horizontally arranged above between the two iron cores, and an inner sleeve of the bearing is close to the end parts of the iron cores. The utility model relates to a bearing heater with a non-closed magnetic circuit structure, which is applied to heating and disconnecting of a small motor, a coupler and a fan made of iron in actual use.
Description
Technical Field
The utility model relates to the technical field of bearing heating equipment, in particular to a non-closed heater used in a motor repairing process.
Background
The bearing heater is mainly used for heating workpieces with various ferromagnetic structures such as bearings, gears, bushings, shaft sleeves, diameter rings, pulleys, shrinkage rings, connectors and the like, and the bearing heater expands through heating so as to meet the requirement of interference assembly. The closed bearing heater has the advantages that the magnetic flux passing through the inner sleeve and the outer sleeve of the bearing is unequal, the heating speed of the outer sleeve of the bearing is higher than that of the inner sleeve, the temperature of the outer sleeve of the bearing is higher than that of the inner sleeve, if the outer sleeve of the bearing is not mastered well, the outer sleeve of the bearing is extremely easy to overheat to influence the quality of the bearing, and the outer size of the magnetic circuit is limited, so that some bearings with the oversized or undersized inner sleeve diameter cannot be heated.
Disclosure of Invention
The utility model provides a non-closed heater for a motor repair process, which can complete heating of a bearing, a fan, a motor and a coupler and improve working efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a non-closed heater for motor repair process includes organism and the switch box of setting on the organism, and organism both sides top is provided with two support brackets, and the fixed mounting coil is gone up respectively to two support brackets, is provided with the iron core in the coil, and the bearing is kept flat above two iron cores, and the bearing endotheca is close to the iron core tip.
The pulley is installed to the support bracket lower extreme for the support bracket can slide on the organism.
And an adjusting plate is arranged between the two iron cores, and a bearing can be placed on the adjusting plate.
The coil is covered with a stainless steel protective cover.
The machine body is provided with a jacking mechanism.
The jacking mechanism comprises a rotating shaft, the rotating shaft is horizontally arranged on the machine body, one end of the rotating shaft extends out of the machine body and is connected with a hand wheel, the other end of the rotating shaft is connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the first bevel gear is fixedly connected with a screw rod, the screw rod is arranged in a screw hole on the machine body, and the upper end of the screw rod is connected with a lifting support through a connecting sleeve thread.
The power capacity of the heater was 45KW.
The heater voltage was 380V.
The density of the wires used for the heater was designed to be 2.1A/mm 2 。
The iron core is designed as square, and the cross-sectional area is 160mm multiplied by 160mm.
The utility model has the beneficial effects that:
1. the machine body is provided with two iron cores, the iron cores are wound with coils, the bearings are flatly placed on the two iron cores during heating, a magnetic field is generated after the coils are electrified, the closer to the iron cores, the magnetic line density of magnetic flux leaking from the iron cores is, the closer to the end parts of the iron cores, the inner sleeve of the bearing is, the magnetic flux penetrating through the inner sleeve is larger than that of the outer sleeve, the temperature of the inner sleeve is higher than that of the outer sleeve, the overheating problem of the outer sleeve of the bearing cannot occur, an open structure is arranged between the two iron cores, the bearings with oversized or undersized size can be heated, and the size of the magnetic circuit is not limited.
2. The pulley is arranged under the supporting bracket, so that the distance between the two iron cores can be conveniently adjusted according to the sizes of different bearings.
3. And the adjusting plates are arranged between the iron cores, and a plurality of bearings can be sequentially arranged on the adjusting plates for bearings with smaller diameters, so that the plurality of bearings are heated, resources are saved, and the efficiency is improved.
4. The coil is covered with a stainless steel protective cover to prevent electric shock.
5. The lifting mechanism is arranged on the machine body, iron parts such as a fan, a coupling and the like which need to be heated can be placed on the lifting mechanism, and the application range of the heater is enlarged.
6. The lifting mechanism can be used for adjusting the lifting and descending through rotating the hand wheel, so that the height can be conveniently adjusted according to the size of an actual heating piece.
7. In order to accelerate the heating speed of the bearing, the power supply capacity of 45KW is comprehensively considered.
8. In general, the two voltages of 220V and 380V are used, and only one voltage of 380V is adopted in consideration of actual use conditions, so that winding taps are reduced.
9. The current density of the wire is designed to be 2.1A/mm 2 Meets the environmental temperature around the coil and long-term use requirement.
10. The iron core is designed into a square shape, the cross-sectional area is 160mm multiplied by 160mm, and the large-scale coupler is simple to manufacture and can be heated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of the present utility model.
In the figure: 1. a body; 2. a coil; 3. an iron core; 4. stainless steel protective cover; 5. a bearing; 6. an adjusting plate 7, a support bracket; 8. a pulley; 9. a jacking mechanism; 10. A coupling.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings,
as shown in fig. 1, a non-closed heater for repairing a motor comprises a machine body 1 and a switch box arranged on the machine body, wherein two support brackets 7 are arranged above two sides of the machine body 1, coils 2 are respectively and fixedly arranged on the two support brackets 7, an iron core 3 is arranged in the coils 2, a bearing 5 is horizontally arranged above the two iron cores 3, and an inner sleeve of the bearing 5 is close to the end part of the iron core 3.
As shown in fig. 1, a pulley 8 is installed at the lower end of the support bracket 7 so that the support bracket 7 can slide on the body 1.
As shown in fig. 1, an adjusting plate 6 of a non-magnetic conductive material is installed between the two cores 3, and a bearing can be placed on the adjusting plate 6.
As shown, the coil 2 is covered with a stainless steel shield 4.
As shown in fig. 2, the body 1 is provided with a jack mechanism 9.
As shown in fig. 2, the lifting mechanism 9 includes a rotation shaft 95, the rotation shaft 95 is horizontally mounted on the machine body 1, one end of the rotation shaft extends to the outside of the machine body 1 and is connected with a hand wheel, the other end of the rotation shaft is connected with a second bevel gear 94, the second bevel gear 94 is meshed with the first bevel gear 93, the first bevel gear 93 is fixedly connected with a screw 91, the screw 91 is mounted in a screw hole on the machine body 1, and the upper end of the screw 91 is connected with a lifting support 92 through a connecting sleeve.
As shown in fig. 2, the power supply capacity of the heater was 45KW.
As shown in fig. 2, the heater voltage was 380V.
As shown in FIG. 2, the density of the wires used for the heater was designed to be 2.1A/mm 2 。
As shown in fig. 2, the core 3 is square in cross-section and has a cross-sectional area of 160mm×160mm.
In operation, as shown in fig. 1, according to the diameter of the bearing 5, the distance between the two iron cores 3 is adjusted by using the pulley 8 at the bottom of the supporting bracket 7, the pulley 8 is fixed on the machine body, the bearing 5 is horizontally placed above the two iron cores 3, the inner sleeve of the bearing 5 is close to the end part of the iron core 3, when high-frequency alternating current is conducted in the coil 2, an alternating induction magnetic field is generated, the magnetic force lines are denser when the alternating current is conducted in the coil 2, the leakage magnetic flux passing through the inner sleeve of the bearing 5 is larger than that of the outer sleeve, the bearing 5 generates eddy currents in the inner sleeve under the action of the alternating magnetic field, the temperature of the bearing 5 is raised by heat generated by the eddy currents, the temperature of the inner sleeve is higher than that of the outer sleeve, the purpose of heating the bearing 5 is achieved, and the problem of overheating of the outer sleeve temperature cannot occur.
As shown in fig. 1, an adjusting plate 6 is placed between the iron cores 3, after the iron cores 3 are electrified, attractive force between magnetic poles of the two iron cores 3 is increased, the adjusting plate 6 is clamped, and for bearings with smaller diameters, a plurality of bearings can be placed on the adjusting plate 6 in sequence, and the bearings can be heated at one time.
As shown in fig. 2, a lifting mechanism 9 is provided on the machine body, the support is adjusted to a proper height, and a heating component such as a fan or a small motor is arranged above the support, and the iron fan or the small motor can be heated between the two iron cores 3.
As shown in fig. 2, the coupling 10 having a large inner diameter may be fitted over the ends of the two cores 3 to form a short-circuit coil by itself, thereby generating eddy current heating.
In actual work, the non-closed bearing heater is used for heating the bearing, the fan, the motor, the coupler and the like, so that the working efficiency is improved, and the working condition is improved.
Claims (10)
1. A non-closed heater for use in a motor repair process, comprising: the device comprises a machine body (1) and a switch box arranged on the machine body, wherein two supporting brackets (7) are arranged on two sides of the upper portion of the machine body (1), coils (2) are fixedly installed on the two supporting brackets (7) respectively, iron cores (3) are arranged in the coils (2), bearings (5) are horizontally arranged above the two iron cores (3), and inner sleeves of the bearings (5) are close to the ends of the iron cores (3).
2. A non-closed heater for use in a motor repair process as claimed in claim 1, wherein: the lower end of the supporting bracket (7) is provided with a pulley (8) so that the supporting bracket (7) can slide on the machine body (1).
3. A non-closed heater for use in a motor repair process as claimed in claim 1, wherein: an adjusting plate (6) made of non-magnetic permeability materials is arranged between the two iron cores (3), and a bearing can be placed on the adjusting plate (6).
4. A non-closed heater for use in a motor repair process as claimed in claim 1, wherein: the coil (2) is covered with a stainless steel protective cover (4).
5. A non-closed heater for use in a motor repair process as claimed in claim 1, wherein: a jacking mechanism (9) is arranged on the machine body (1).
6. A non-closed heater for use in a motor repair process as claimed in claim 5, wherein: the jacking mechanism (9) comprises a rotating shaft (95), the rotating shaft (95) is horizontally arranged on the machine body (1), one end of the rotating shaft (95) extends to the outside of the machine body (1) and is connected with a hand wheel, the other end of the rotating shaft is connected with a second bevel gear (94), the second bevel gear (94) is meshed with the first bevel gear (93) mutually, the first bevel gear (93) is fixedly connected with a screw rod (91), the screw rod (91) is arranged in a screw hole on the machine body (1), and the upper end of the screw rod (91) is connected with a lifting support (92) through a connecting sleeve thread.
7. A non-closed heater for use in a motor repair process as claimed in claim 1, wherein: the power supply capacity of the heater is 45KW.
8. A non-closed heater for use in a motor repair process as claimed in claim 1, wherein: the voltage of the heater was chosen to be 380V.
9. A non-closed heater for use in a motor repair process as claimed in claim 1, wherein: the density of the wires used for the heater is designed to be 2.1A/mm 2 。
10. A non-closed heater for use in a motor repair process as claimed in claim 1, wherein: the iron core (3) is square in design, and the cross section area is 160mm multiplied by 160mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321702081.0U CN220629140U (en) | 2023-06-30 | 2023-06-30 | Non-closed heater for motor repair process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321702081.0U CN220629140U (en) | 2023-06-30 | 2023-06-30 | Non-closed heater for motor repair process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220629140U true CN220629140U (en) | 2024-03-19 |
Family
ID=90228075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321702081.0U Active CN220629140U (en) | 2023-06-30 | 2023-06-30 | Non-closed heater for motor repair process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220629140U (en) |
-
2023
- 2023-06-30 CN CN202321702081.0U patent/CN220629140U/en active Active
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