CN116995872A - Motor stator dismounting device and dismounting method thereof - Google Patents

Motor stator dismounting device and dismounting method thereof Download PDF

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Publication number
CN116995872A
CN116995872A CN202311086287.XA CN202311086287A CN116995872A CN 116995872 A CN116995872 A CN 116995872A CN 202311086287 A CN202311086287 A CN 202311086287A CN 116995872 A CN116995872 A CN 116995872A
Authority
CN
China
Prior art keywords
spring tube
screw
motor stator
spring
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311086287.XA
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Chinese (zh)
Inventor
黄薇
段洋
张晓鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Shuguang Aero Electrical Co ltd
Original Assignee
Beijing Shuguang Aero Electrical Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Shuguang Aero Electrical Co ltd filed Critical Beijing Shuguang Aero Electrical Co ltd
Priority to CN202311086287.XA priority Critical patent/CN116995872A/en
Publication of CN116995872A publication Critical patent/CN116995872A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/0006Disassembling, repairing or modifying dynamo-electric machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/025For detaching only
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The invention belongs to the technical field of low-power motor structures, and particularly relates to a motor stator dismounting device and a motor stator dismounting method. The invention adopts a spring tube with 3 axial open grooves, the axial open groove axis of the spring tube axially coincides with the round table, the central axis of the cylindrical hole of the positioning sleeve axially coincides with the center of the spring tube, the coaxiality of the shell and the stator assembly is ensured, and meanwhile, the set screw hole arranged at the outer side of the positioning sleeve ensures that the force for disassembling the stator assembly is vertical to the force of the stator assembly upwards when the stator assembly is disassembled.

Description

Motor stator dismounting device and dismounting method thereof
Technical Field
The invention belongs to the technical field of low-power motor structures, and particularly relates to a motor stator dismounting device and a motor stator dismounting method.
Background
In the manufacturing and repairing processes of the motor, the rear end cover can be omitted by adopting the low-power motor with the U-shaped shell, but the motor has the following problems: after the low-power motor stator is arranged on the U-shaped shell, only a plurality of ejector rods can be inserted into the bottom of the stator assembly from the vent hole at one side of the shell during disassembly, so that the stator assembly is pushed out, and the stator and the shell are often easily damaged due to uneven acting force.
Disclosure of Invention
Aiming at the problem that a U-shaped shell stator assembly is not easy to disassemble, the invention provides a motor stator disassembling device, which aims to improve the motor stator disassembling effect and ensure that a stator is intact and the shell is not easy to damage.
In order to achieve the above purpose, the technical scheme adopted by the scheme is as follows:
the utility model provides a motor stator dismounting device, includes spring pipe 1, tip cone screw 2, spacer sleeve 3, nut 4, handle 5, holding screw 6, and spring pipe 1 passes through the screw thread to be installed in nut 4, and rethread screw thread is installed in spacer sleeve 3, and holding screw 6 passes spacer sleeve 3 lateral wall and installs in spring pipe 1 upper concave spout, again with tip cone screw 2 through the screw installation in spring pipe 1, two handles 5 symmetry are installed in the blind hole of nut 4 both sides.
The spring tube 1 is columnar and provided with a round table, a 60-degree conical needle tube hole is arranged in the spring tube, and the needle tube hole coincides with the axis of the round table.
The needle tube hole end of the spring tube 1 is provided with 3 axial open grooves which are uniformly distributed, and the axial line of the axial open grooves is axially coincident with the round table.
An axial groove is formed in one side of the spring tube 1, and the length of the axial groove is not smaller than the length of the stator assembly matched with the inner circle of the shell 8. The axial grooves ensure that the force remains vertically upwards when the spring tube 1 is removed from the stator assembly.
The tip cone screw 2 is of a needle-shaped cylindrical structure with a 60-degree conical surface, forms taper fit with the round table of the spring tube 1 through the 60-degree conical surface and is connected through threads.
The positioning sleeve 3 is of a stepped cylindrical structure, the inner side of the cylinder is matched with a spigot of the shell assembly through a circular table to form a cylindrical surface, a set screw hole is formed in the outer side of the positioning sleeve 3, the set screw 6 is used for acting on the axial groove connection of the spring tube 1, and the central axis of the cylindrical hole of the positioning sleeve is axially coincident with the central axis of the spring tube 1 to keep consistent;
the handle 5 is connected with the nut 4 through a cylindrical surface.
The diameter of the large cylindrical surface of the 60-degree conical surface of the spring tube 1 is 0.05-0.1mm larger than that of the large cylindrical surface of the conical surface of the tip cone screw 2, and the tip cone screw 2 ensures that the central axis of the cylindrical hole of the spring tube 1 is consistent with that of the cylindrical hole of the positioning sleeve while sliding and expanding in the spring tube 1.
The spring tube 1 and the conical surface of the tip cone screw 2 are matched with the outer circle of the end surface of the round table, and protrude by 1mm along the radial direction.
According to the disassembly method of the motor stator disassembly device, a spanner is used for adjusting the spring tube 1 to a contracted state, after the spring tube passes through an inner hole of the stator assembly 7, the positioning sleeve 3 is positioned at a seam allowance of the shell 8, then the spanner is used for adjusting the top cone expansion screw 2, so that the spring tube 1 is expanded to be capable of acting on the edge of the stator assembly 7, and then the force is transmitted to the stator assembly 7 through the handle 5, the nut 4 and the spring tube 1, so that the purpose of disassembling the stator assembly 7 is achieved.
The invention has the beneficial effects that: according to the invention, the spring tube with 3 axial open grooves is expanded by adopting the conical surface of the conical screw with the shape similar to a cylindrical tip cone, the axial line of the axial open groove of the spring tube is axially overlapped with the circular table, the central axis of the cylindrical hole of the positioning sleeve is axially overlapped with the central axis of the spring tube, the coaxiality of the shell and the stator assembly is ensured, and meanwhile, the fastening screw hole arranged at the outer side of the positioning sleeve ensures that the force for disassembling the stator assembly is vertical to the force of the stator assembly when the stator assembly is disassembled.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the stator removing apparatus of the structure shown in fig. 1.
Wherein: the device comprises a spring tube, a 2-tip cone screw, a 3-positioning sleeve, a 4-nut, a 5-handle, a 6-set screw, a 7-stator assembly and an 8-shell.
Detailed Description
Specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. As shown in fig. 1 and 2, a motor stator dismounting device comprises a spring tube 1, a tip cone screw 2, a positioning sleeve 3, a screw cap 4, handles 5 and a set screw 6, wherein the spring tube 1 is installed in the screw cap 4 through threads, then is installed in the positioning sleeve 3 through threads, the set screw 6 penetrates through the side wall of the positioning sleeve 3 to be installed in a concave chute on the spring tube 1, then the tip cone screw 2 is installed in the spring tube 1 through screws, and two handles 5 are symmetrically installed in blind holes on two sides of the screw cap 4.
The spring tube 1 is columnar and provided with a round table, a 60-degree conical needle tube hole is arranged in the spring tube, and the needle tube hole coincides with the axis of the round table.
The needle tube hole end of the spring tube 1 is provided with 3 axial open grooves which are uniformly distributed, and the axial line of the axial open grooves is axially coincident with the round table.
An axial groove is formed in one side of the spring tube 1, and the length of the axial groove is not smaller than the length of the stator assembly matched with the inner circle of the shell 8. The axial grooves ensure that the force remains vertically upwards when the spring tube 1 is removed from the stator assembly.
The tip cone screw 2 is of a needle-shaped cylindrical structure with a 60-degree conical surface, forms taper fit with the round table of the spring tube 1 through the 60-degree conical surface and is connected through threads.
The positioning sleeve 3 is of a stepped cylindrical structure, the inner side of the cylinder is matched with a spigot of the shell assembly through a circular table to form a cylindrical surface, a set screw hole is formed in the outer side of the positioning sleeve 3, the set screw 6 is used for acting on the axial groove connection of the spring tube 1, and the central axis of the cylindrical hole of the positioning sleeve is axially coincident with the central axis of the spring tube 1 to keep consistent;
the handle 5 is connected with the nut 4 through a cylindrical surface.
The diameter of the large cylindrical surface of the 60-degree conical surface of the spring tube 1 is 0.05-0.1mm larger than that of the large cylindrical surface of the conical surface of the tip cone screw 2, and the tip cone screw 2 ensures that the central axis of the cylindrical hole of the spring tube 1 is consistent with that of the cylindrical hole of the positioning sleeve while sliding and expanding in the spring tube 1.
The spring tube 1 and the conical surface of the tip cone screw 2 are matched with the outer circle of the end surface of the round table, and protrude by 1mm along the radial direction.
When the invention is used, firstly, as shown in fig. 1, the handle 5 is connected with the screw cap 4 into a whole through a smooth hole in an interference way, then is arranged on the spring tube 1 into a whole through threads, then is arranged on the positioning sleeve 3 through threads, after the installation, the set screw 6 is arranged in a concave chute on the spring tube 1, and then the tip cone expansion screw 3 is arranged in the spring tube 1.
According to the disassembly method of the motor stator disassembly device, a spanner is used for adjusting the spring tube 1 to a contracted state, after the spring tube passes through an inner hole of the stator assembly 7, the positioning sleeve 3 is positioned at a seam allowance of the shell 8, then the spanner is used for adjusting the top cone expansion screw 2, so that the spring tube 1 is expanded to be capable of acting on the edge of the stator assembly 7, and then the force is transmitted to the stator assembly 7 through the handle 5, the nut 4 and the spring tube 1, so that the purpose of disassembling the stator assembly 7 is achieved.

Claims (10)

1. The utility model provides a motor stator dismounting device which characterized in that: including spring pipe (1), tip cone screw (2), spacer sleeve (3), nut (4), handle (5), holding screw (6), spring pipe (1) are installed in nut (4) through the screw thread, and rethread screw thread installs in spacer sleeve (3), and holding screw (6) pass spacer sleeve (3) lateral wall and install in spring pipe (1) upper concave spout, install tip cone screw (2) in spring pipe (1) through the screw again, and two handles (5) symmetry are installed in the blind hole of nut (4) both sides.
2. The motor stator disassembly device of claim 1, wherein: the spring tube (1) is columnar and is provided with a round table, a 60-degree conical needle tube hole is arranged in the spring tube, and the needle tube hole is overlapped with the axis of the round table.
3. The motor stator disassembly device of claim 1, wherein: the spring tube (1) needle tube hole end is provided with 3 axial open grooves, the axial open grooves are uniformly distributed, and the axial lines of the axial open grooves are axially coincident with the circular truncated cone.
4. The motor stator disassembly device of claim 1, wherein: one side of the spring tube (1) is provided with an axial groove, and the length of the axial groove is not less than the length of the stator assembly matched with the inside of the shell (8).
5. The motor stator disassembly device of claim 1, wherein: the tip cone screw (2) is of a needle-shaped cylindrical structure with a 60-degree conical surface, forms taper fit with the round table of the spring tube (1) through the 60-degree conical surface and is connected through threads.
6. The motor stator disassembly device of claim 1, wherein: the positioning sleeve (3) is of a stepped cylindrical structure, the inner side of the cylinder is matched with a spigot of the shell assembly through a circular table to form a cylindrical surface, a set screw hole is formed in the outer side of the positioning sleeve (3), the positioning sleeve is connected with an axial groove of the spring tube (1) through a set screw (6), and the central axis of the cylindrical hole of the positioning sleeve is axially coincident with the central axis of the spring tube (1) to keep consistent.
7. The motor stator disassembly device of claim 1, wherein: the handle (5) is connected with the screw cap (4) through a cylindrical surface.
8. The motor stator disassembly device of claim 1, wherein: the diameter of the large cylindrical surface of the conical surface of the spring tube (1) with the angle of 60 degrees is 0.05-0.1mm larger than that of the large cylindrical surface of the conical surface of the tip cone screw (2), and the tip cone screw (2) ensures that the central axis of the cylindrical hole of the spring tube (1) is consistent with that of the cylindrical hole of the positioning sleeve while sliding and expanding in the spring tube (1).
9. The motor stator disassembly device of claim 1, wherein: the spring tube 1 and the conical surface of the tip cone screw (2) are matched with the outer circle of the end surface of the round table and protrude by 1mm along the radial direction.
10. The disassembly method of a motor stator disassembly device according to any one of claims 1 to 9, wherein: after the spring tube (1) is adjusted to a contracted state and passes through an inner hole of the stator assembly (7), the positioning sleeve (3) is positioned at the spigot of the shell (8), and then the top cone expansion screw (2) is adjusted by the wrench, so that the spring tube (1) is expanded to be capable of acting on the edge of the stator assembly (7), and then the force is transmitted to the stator assembly (7) by the handle (5), the nut (4) and the spring tube (1), so that the aim of disassembling the stator assembly (7) is fulfilled.
CN202311086287.XA 2023-08-28 2023-08-28 Motor stator dismounting device and dismounting method thereof Pending CN116995872A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311086287.XA CN116995872A (en) 2023-08-28 2023-08-28 Motor stator dismounting device and dismounting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311086287.XA CN116995872A (en) 2023-08-28 2023-08-28 Motor stator dismounting device and dismounting method thereof

Publications (1)

Publication Number Publication Date
CN116995872A true CN116995872A (en) 2023-11-03

Family

ID=88528407

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311086287.XA Pending CN116995872A (en) 2023-08-28 2023-08-28 Motor stator dismounting device and dismounting method thereof

Country Status (1)

Country Link
CN (1) CN116995872A (en)

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