CN110890815B - Assembling device and assembling method for permanent magnet rotor hot jacket protective sleeve - Google Patents
Assembling device and assembling method for permanent magnet rotor hot jacket protective sleeve Download PDFInfo
- Publication number
- CN110890815B CN110890815B CN201911177930.3A CN201911177930A CN110890815B CN 110890815 B CN110890815 B CN 110890815B CN 201911177930 A CN201911177930 A CN 201911177930A CN 110890815 B CN110890815 B CN 110890815B
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- rotor
- hole
- protective sleeve
- base
- guide seat
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
Abstract
The invention discloses an assembling device and an assembling method of a permanent magnet rotor thermal sleeve protective sleeve, wherein the assembling device comprises a base and a guide seat, the base comprises a bottom plate and a cylinder, and the cylinder is vertically arranged on the bottom plate; the hole of barrel be the shoulder hole, divide into guide holder installation department, protective sheath installation department and base hole, the diameter of guide holder installation department is greater than the diameter of protective sheath installation department, the diameter of protective sheath installation department is greater than the diameter of base hole, guide holder bottom install in the guide holder installation department, guide holder center department is equipped with the rotor guiding hole, the rotor guiding hole is the bell mouth, the rotor guiding hole is coaxial with the hole of barrel. The assembling device for the permanent magnet rotor hot jacket protective sleeve has the advantages of simple structure, low cost and convenient operation, and can improve the assembling efficiency of the permanent magnet rotor hot jacket protective sleeve, eliminate the hidden trouble of clamping when the permanent magnet rotor hot jacket protective sleeve is not completely sleeved on the way to a great extent, improve the assembling quality and the finished product rate and further reduce the production cost.
Description
Technical Field
The invention relates to an assembling device and an assembling method for a hot jacket protective sleeve of a permanent magnet rotor.
Background
The existing permanent magnet motor rotor magnetic steel protection structure is mostly realized by adopting a carbon fiber sleeve and a non-magnetic conductive alloy protective sleeve, and is not frequently used due to poor heat conductivity of the carbon fiber. Alloy protective sheath form is little because of most rotor diameter, and alloy protective sheath material is special and coefficient of thermal expansion is little, and both magnitude of interference are big again, all has certain risk coefficient during the event hot jacket, blocks when probably not fully set in transit, causes scrapping of product, and can not be too high with alloy protective sheath heating temperature, because, alloy protective sheath and permanent-magnet machine rotor magnet steel hug closely together, and high temperature can make the magnet steel demagnetization. The interference cannot be too small, which may cause the protective function of the protective sleeve to fail.
Disclosure of Invention
In order to solve the technical problems, the invention provides the assembling device and the assembling method for the hot jacket protective sleeve of the permanent magnet rotor, which have the advantages of simple structure, convenience in operation and low cost, can improve the hot jacket efficiency of the permanent magnet rotor, and furthest eliminates the hidden trouble of clamping when the permanent magnet rotor is not completely sleeved in the process.
The technical scheme adopted by the invention is as follows: the assembling device for the permanent magnet rotor hot jacket protective sleeve comprises a base and a guide seat, wherein the base comprises a bottom plate and a cylinder body, and the cylinder body is vertically arranged on the bottom plate; the hole of barrel be the shoulder hole, divide into guide holder installation department, protective sheath installation department and base hole, the diameter of guide holder installation department is greater than the diameter of protective sheath installation department, the diameter of protective sheath installation department is greater than the diameter of base hole, guide holder bottom install in the guide holder installation department, guide holder center department is equipped with the rotor guiding hole, the rotor guiding hole is the bell mouth, big-end-up, the rotor guiding hole is coaxial with the hole of barrel.
In the assembling device of the permanent magnet rotor hot jacket protective sleeve, the taper of the conical hole is 1:200, and the minimum diameter of the conical hole is 0.04mm larger than the diameter of the rotor.
In the assembling device of the permanent magnet rotor hot jacket protective sleeve, the base and the guide seat are both made of nonmagnetic materials.
The assembling method of the permanent magnet rotor thermal sleeve protective sleeve by using the assembling device of the permanent magnet rotor thermal sleeve protective sleeve comprises the following steps:
1) calculating the heating temperature of the protective sleeve according to the diameters of the rotor and the inner hole of the protective sleeve, and calculating the size of the guide seat mounting part after heating;
2) placing a protective sleeve on a protective sleeve mounting part of an inner hole of a base, and then placing the base in a heating furnace for heating and heat preservation;
3) taking the base out of the heating furnace, and placing the guide seat at the guide seat mounting part to be in clearance fit with the guide seat mounting part;
4) the rotor is placed in a rotor guide hole of the guide seat, and the lower end of the rotor is led into the protective sleeve by utilizing the self gravity of the rotor or a travelling crane, so that the lower end of the rotor is contacted with the bottom plate of the base;
5) and taking down the guide seat, cooling the base, and taking out the rotor from the inner hole of the base.
Compared with the prior art, the invention has the beneficial effects that:
the assembling device for the permanent magnet rotor hot jacket protective sleeve has the advantages of simple structure, low cost and convenient operation, and can improve the assembling efficiency of the permanent magnet rotor hot jacket protective sleeve, eliminate the hidden trouble of clamping when the permanent magnet rotor hot jacket protective sleeve is not completely sleeved on the way to a great extent, improve the assembling quality and the finished product rate and further reduce the production cost.
Drawings
Fig. 1 is a block diagram of an assembly apparatus for a permanent magnet rotor shrink-wrap protection sleeve of the present invention.
Fig. 2 is a structural diagram of the assembling device of the thermal sleeve protective sleeve of the permanent magnet rotor of the invention when the assembling is completed.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in figure 1, the assembling device of the permanent magnet rotor thermal sleeve protective sleeve comprises a base 1 and a guide seat 2, wherein the base 1 comprises a bottom plate 11 and a cylinder 12, and the cylinder 12 is vertically arranged on the bottom plate 11 and connected through a screw. The hole of barrel 12 be the shoulder hole, divide into guide holder installation department, protective sheath installation department 13 and base hole 14, the diameter of guide holder installation department is greater than the diameter of protective sheath installation department 13, the diameter of protective sheath installation department 13 is greater than the diameter of base hole 14. The bottom of the guide seat 2 is arranged in the guide seat mounting part, a rotor guide hole 21 is arranged at the center of the guide seat 2, the rotor guide hole 21 is a conical hole and is big-end-up, and the rotor guide hole 21 is coaxial with the inner hole of the cylinder 12. The taper of the tapered hole is 1:200, and the minimum diameter of the tapered hole is 0.04mm larger than the diameter of the rotor. The base 1 and the guide seat 2 are made of non-magnetic materials, so that the rotor is prevented from being difficult to move along the rotor guide hole 21 under the action of the magnetic force of the base 1 and the guide seat 2.
The assembling method of the permanent magnet rotor thermal sleeve protective sleeve of the invention is explained by assembling the rotor thermal sleeve protective sleeve of a certain permanent magnet motor: the diameter of the rotor of the permanent magnet motor is
Protection ofThe diameter of the sleeve is
(ii) a The assembling steps are as follows:
1) according to the diameter of the rotor, a corresponding base 1 and a corresponding guide seat 2 are manufactured, and the size of the lower end of an inner hole of the guide seat 2 is
(ii) a And the protective sleeve 3 is arranged at the protective sleeve mounting part 13 of the base 1, and the unilateral gap between the protective sleeve 3 and the protective sleeve mounting part 13 is 0.02-0.03 mm.
2) Calculating the heating temperature and the heat preservation time of the protective sleeve according to the diameters of the rotor and the inner hole of the protective sleeve, and calculating the size of the guide seat mounting part after heating; the heating temperature is as follows: at 400 ℃, the heat preservation time is as follows: and 4 h.
3) The susceptor 1 is placed in a heating furnace for heating and heat preservation.
4) And taking the base 1 out of the heating furnace, and placing the guide seat 2 at the guide seat mounting part of the base 1 to be in clearance fit with the guide seat mounting part.
5) The rotor is placed into a rotor guide hole 21 of the guide seat 2, and the rotor is guided into the protective sleeve by using the gravity of the rotor or a travelling crane, so that the lower end of the rotor is contacted with the bottom plate 11 of the base 1; as shown in fig. 2.
6) And taking down the guide seat 2, cooling the base 1, and taking out the rotor from the base 1, wherein the assembly of the protective sleeve is completed.
Claims (4)
1. The utility model provides an assembly quality of permanent magnet rotor heat jacket protective sheath, characterized by: the device comprises a base and a guide seat, wherein the base comprises a bottom plate and a cylinder body, and the cylinder body is vertically arranged on the bottom plate; the inner hole of the cylinder is a stepped hole and is divided into a guide seat mounting part, a protective sleeve mounting part and a base hole, the diameter of the guide seat mounting part is larger than that of the protective sleeve mounting part, the diameter of the protective sleeve mounting part is larger than that of the base hole, the bottom of the guide seat is mounted in the guide seat mounting part, and the guide seat is in clearance fit with the heated guide seat mounting part; the center of the guide seat is provided with a rotor guide hole which is a tapered hole with a large upper part and a small lower part, and the rotor guide hole is coaxial with the inner hole of the cylinder.
2. The assembling device of the thermal jacket protective sleeve of the permanent magnet rotor as claimed in claim 1, wherein: the taper of the tapered hole is 1:200, and the minimum diameter of the tapered hole is 0.04mm larger than the diameter of the rotor.
3. The assembling device of the thermal jacket protective sleeve of the permanent magnet rotor as claimed in claim 1, wherein: the base and the guide seat are both made of nonmagnetic materials.
4. A method for assembling a permanent magnet rotor thermal protection sleeve by using the assembling device of the permanent magnet rotor thermal protection sleeve of any one of claims 1 to 3, comprising the following steps:
1) calculating the heating temperature of the protective sleeve according to the diameters of the rotor and the inner hole of the protective sleeve, and calculating the size of the guide seat mounting part after heating;
2) placing a protective sleeve on a protective sleeve mounting part of an inner hole of a base, and then placing the base in a heating furnace for heating and heat preservation;
3) taking the base out of the heating furnace, and placing the guide seat at the guide seat mounting part to be in clearance fit with the guide seat mounting part;
4) the rotor is placed in a rotor guide hole of the guide seat, and the lower end of the rotor is led into the protective sleeve by utilizing the self gravity of the rotor or a travelling crane, so that the lower end of the rotor is contacted with the bottom plate of the base;
5) and taking down the guide seat, cooling the base, and taking out the rotor from the inner hole of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177930.3A CN110890815B (en) | 2019-11-27 | 2019-11-27 | Assembling device and assembling method for permanent magnet rotor hot jacket protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177930.3A CN110890815B (en) | 2019-11-27 | 2019-11-27 | Assembling device and assembling method for permanent magnet rotor hot jacket protective sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110890815A CN110890815A (en) | 2020-03-17 |
| CN110890815B true CN110890815B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911177930.3A Active CN110890815B (en) | 2019-11-27 | 2019-11-27 | Assembling device and assembling method for permanent magnet rotor hot jacket protective sleeve |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362815A (en) * | 2014-12-08 | 2015-02-18 | 上海电气集团上海电机厂有限公司 | Method for shrinkage fit of protective ring of 50kW ultrahigh-speed permanent magnetic generator rotor |
| CN109347228A (en) * | 2018-10-31 | 2019-02-15 | 贵州航天林泉电机有限公司 | The resistance to 350 DEG C of superhigh temperature of one kind, high-speed permanent magnetic rotor and its manufacturing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017050925A (en) * | 2015-08-31 | 2017-03-09 | 株式会社明電舎 | Rotor of permanent magnet surface pasting type motor and manufacturing method |
| CN105245065B (en) * | 2015-11-24 | 2018-07-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor assembly equipment and rotor assembling method |
| CN205123517U (en) * | 2015-12-08 | 2016-03-30 | 乐山牧田电器有限公司 | Frock that motor stator took a seat |
| CN206135649U (en) * | 2016-11-03 | 2017-04-26 | 利欧集团浙江泵业有限公司 | Press rotor cover frock |
| CN207530683U (en) * | 2017-12-05 | 2018-06-22 | 贵州航天林泉电机有限公司 | A kind of big interference volume rotor jacket bushing device |
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2019
- 2019-11-27 CN CN201911177930.3A patent/CN110890815B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362815A (en) * | 2014-12-08 | 2015-02-18 | 上海电气集团上海电机厂有限公司 | Method for shrinkage fit of protective ring of 50kW ultrahigh-speed permanent magnetic generator rotor |
| CN109347228A (en) * | 2018-10-31 | 2019-02-15 | 贵州航天林泉电机有限公司 | The resistance to 350 DEG C of superhigh temperature of one kind, high-speed permanent magnetic rotor and its manufacturing method |
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| Publication number | Publication date |
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| CN110890815A (en) | 2020-03-17 |
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Address after: 411101 No.9, Chayuan Road, high tech Zone, Xiangtan City, Hunan Province Applicant after: Hunan Chongde Technology Co., Ltd Address before: 411101 No.9, Chayuan Road, high tech Zone, Xiangtan City, Hunan Province Applicant before: HUNAN SUND INDUSTRIAL AND TECHNOLOGICAL Co.,Ltd. |
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