CN108063529B - Efficient motor stator assembling and disassembling device - Google Patents
Efficient motor stator assembling and disassembling device Download PDFInfo
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- CN108063529B CN108063529B CN201711501010.3A CN201711501010A CN108063529B CN 108063529 B CN108063529 B CN 108063529B CN 201711501010 A CN201711501010 A CN 201711501010A CN 108063529 B CN108063529 B CN 108063529B
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- expansion
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- column
- expander
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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
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Abstract
The invention discloses a high-efficiency motor stator assembling and disassembling device which comprises an expander and an expansion screw. The expander is provided with a guide column, a pressing stop table, a shrinking and expanding column, a pulling stop table, a shrinking and expanding seam, a nut groove, an expanding rod hole and a frustum hole, an expanding screw is provided with an expanding conical head, a rotation stopping rib, a screw pulling head and a nut, and the expanding screw is positioned in the expanding rod hole; during assembly, the guide column is inserted into the inner cavity of the stator downwards for positioning, the pressing and blocking table is blocked at the upper edge opening of the stator core, and the stator is quickly pressed into the inner cavity of the shell when the stator core is hot by using a press; when the stator core is disassembled, the shrinkage and expansion column downwards passes through the inner cavity of the stator, and the gear pulling table is blocked at the lower edge of the stator core; the technical scheme that the nut is screwed up to expand the shrinkage and expansion column, the blocking table hooks the lower edge opening of the stator core, the expander and the stator are ejected out of the shell by a press, the nut is loosened, and the shrinkage and expansion column is pulled out of the stator core, so that the motor stator and the motor shell are assembled and disassembled, and the purposes of convenience, rapidness, waste reduction and efficiency improvement are achieved.
Description
Technical Field
The invention relates to a dismounting tool of a motor, in particular to a high-efficiency motor stator dismounting device for dismounting a motor stator.
Background
The motor stator is called as a stator for short, and the stator consists of a stator iron core and a coil winding; the motor shell is a shell for bearing a stator, which is called a shell for short;
referring to fig. 10, the stator and the casing are fixedly connected by thermal interference assembly, the prior art adopts a process of heating and expanding the casing first, and then pressing the stator into the inner cavity of the casing while the stator is hot to realize the thermal interference assembly, and the thermal interference assembly has the following problems:
1. assembly, which requires the whole assembly process to be accurate and rapid; if the stator is pressed into the shell when not being held right or pressed again after being re-corrected, the stator can be pressed into the inner cavity of the shell in an incorrect posture due to rapid reduction and shrinkage of the temperature of the shell, or the stator is clamped at an incorrect position of the inner cavity of the shell to cause difficulty in advancing and retreating, so that assembly failure is caused;
2. disassembling, namely when the stator needs to be taken out of the shell for maintenance or needs to be reassembled after meeting the assembly failure, the stator and the shell are difficult to be completed, in order to maintain the stator with the coil winding with higher price, the shell with lower price is broken and disassembled, the shell is scrapped, the stator is taken out, and then a new shell is replaced, so that waste is caused;
therefore, the prior art has the problems and disadvantages of difficult disassembly and assembly, great waste and low efficiency.
Disclosure of Invention
Aiming at the problems and the defects of the prior art, the invention adopts a device consisting of an expander and an expansion screw, wherein the expander is provided with a guide post, a pressing stop table, a contracting and expanding post, a pulling stop table, an expanding and contracting seam, a nut groove, an expanding rod hole and a frustum hole; the expansion screw is provided with an expansion cone head, a rotation stopping rib, a screw pulling head and a nut, and the nut is screwed with the screw pulling head; the expansion screw rod is positioned in the expansion rod hole of the expander, the nut is positioned in the nut groove, the expansion cone head is positioned in the frustum hole, and the rotation stopping rib is loosely clamped in the expansion contraction joint;
during assembly and application, the guide column is inserted into an inner cavity of a stator in a sliding mode and positioned, the pressing and blocking platform is blocked at the upper edge opening of the stator iron core, after the shell is heated and expanded, the stator is quickly pressed into the inner cavity of the shell by using a press while the stator is hot, and the pressed stator is clamped and fixed in an interference mode after the shell is cooled instantly;
when the pulling and blocking platform is detached and applied, the shrinkage and expansion column is downward, and pressure is applied to enable the shrinkage and expansion column to penetrate through the inner cavity of the stator, so that the pulling and blocking platform is blocked at the lower edge of the stator core; due to the effect of the expansion and contraction joint, when the compression and expansion column is pressed down, the outer diameters of the compression and expansion column and the pull stop table can be elastically reduced, so that the compression and expansion column can slide through the inner cavity of the stator; then, a socket wrench is used for rotating and screwing a nut, so that an expansion screw and an expansion cone head are forced to be lifted upwards, the expansion cone head acts on the frustum hole, the column wall of the contraction and expansion column is expanded and is expanded in the inner cavity of the stator, and meanwhile, the pull baffle table hooks the lower edge opening of the stator iron core; the technical scheme is that the expander and the stator are ejected out of the inner cavity of the shell from bottom to top by using a press, then the nut is unscrewed, the expansion screw and the expansion cone head are enabled to loosen the shrinkage and expansion column downwards, and the shrinkage and expansion column is pulled out of the inner cavity of the stator core upwards.
The purpose of the invention is realized as follows: the utility model provides a device is installed and removed to high-efficient motor stator, includes expander and expansion screw, wherein: the expander is a cylindrical aluminum alloy component, a circular through hole in the vertical direction is formed in the center of the expander and is called an expansion rod hole, a circular groove communicated with the expansion rod hole is formed in the center of the upper surface of the expander and is called a nut groove, and the inner diameter of the nut groove is larger than that of the expansion rod hole; a frustum hole communicated with the expansion rod hole is formed in the center of the lower surface of the expander, and is a step groove with the upper part in a small-upper large-lower frustum shape and the lower part in a cylindrical shape; the upper part of the outer column wall of the expander is called a guide column, and the lower part of the outer column wall of the expander is called a shrinkage-expansion column; the lower side of the guide post is provided with a flange step called a pressing stop table; the lower edge of the shrinkage and expansion column is provided with a flange step called a pull stopping table; six gaps which are in the vertical direction and communicated with the lower part of the expansion rod hole and the frustum hole are uniformly distributed on the column wall of the shrinkage and expansion column and are called expansion shrinkage joints; the outer diameters of the pressing blocking table and the pulling blocking table are equal, the outer diameters of the guide column and the shrinkage and expansion column are equal, and the outer column wall of the guide column is in sliding fit with the inner cavity wall of the stator core;
the expansion screw is a cylindrical rod-shaped steel component, the lower end of the expansion screw is provided with a small-upper large-lower large-frustum-shaped flange called an expansion cone head, and the conical surface of the expansion cone head is provided with a strip-shaped flange called a stop-turn rib; the upper end of the expansion screw is provided with an external thread called a screw pulling head, and an external hexagonal nut is screwed at the screw pulling head;
the expansion screw is located in the expansion rod hole of the expander, the nut is located in the nut groove, the expansion cone head is located in the frustum hole, and the rotation stopping rib is buckled in the expansion contraction joint in a loosening mode.
Working principle and beneficial effects
During assembly and application, the guide column is inserted into an inner cavity of a stator in a sliding mode and positioned, the pressing and blocking platform is blocked at the upper edge opening of the stator iron core, after the shell is heated and expanded, the stator is quickly pressed into the inner cavity of the shell by using a press while the stator is hot, and the pressed stator is clamped and fixed in an interference mode after the shell is cooled instantly; the guide post has the function of ensuring that the posture of the stator before being pressed is correct, so that the axis of the stator is superposed with the axis of the inner cavity of the shell;
when the stator core is disassembled and applied, the shrinkage and expansion column is downward, and pressure is applied to penetrate the shrinkage and expansion column through the inner cavity of the stator so that the pull stop table is blocked at the lower edge of the stator core; due to the effect of the expansion and contraction joint, when the compression and expansion column is pressed down, the outer diameters of the compression and expansion column and the pull stop table can be elastically reduced, so that the compression and expansion column can slide through the inner cavity of the stator; then, a socket wrench is used for rotating and screwing the nut to force the expansion screw and the expansion cone head to lift upwards, the expansion cone head acts on the cone table hole to expand the column wall of the contraction and expansion column to expand in the inner cavity of the stator, meanwhile, the pull stop table hooks the lower edge opening of the stator iron core, then, the expander and the stator are ejected out of the inner cavity of the shell from bottom to top by using a press, then, the nut is unscrewed to enable the expansion screw and the expansion cone head to loosen the contraction and expansion column downwards, and then, the contraction and expansion column is pulled out upwards from the inner cavity of the stator iron core; the rotation stopping rib has the function of preventing the expansion screw and the expansion cone head from idle rotation when the nut is screwed down or unscrewed by utilizing the rotation stopping rib and the buckle of the expansion and contraction joint.
The device has simple structure and reliable work, and can assemble and disassemble the motor stator and the motor shell, thereby being convenient and rapid, reducing waste and improving efficiency.
The device comprises the expander and the expansion screw, wherein the expander is provided with a guide column, a pressing stop table, a contracting and expanding column, a pulling stop table, an expanding and contracting seam, a nut groove, an expansion rod hole and a frustum hole; the expansion screw is provided with an expansion cone head, a rotation stopping rib, a screw pulling head and a nut, and the nut is screwed with the screw pulling head; the expansion screw rod is positioned in the expansion rod hole of the expander, the nut is positioned in the nut groove, the expansion cone head is positioned in the frustum hole, and the rotation stopping rib is loosely clamped in the expansion contraction joint;
during assembly and application, the guide column is inserted into an inner cavity of the stator in a sliding mode and positioned, the pressing and blocking table is blocked at the upper edge opening of the stator iron core, after the shell is heated and expanded, the stator is quickly pressed into the inner cavity of the shell by using a press while hot, and the pressed stator is clamped and fixed in an interference mode after the shell is cooled instantly;
when the pulling and blocking platform is detached and applied, the shrinkage and expansion column is downward, and pressure is applied to enable the shrinkage and expansion column to penetrate through the inner cavity of the stator, so that the pulling and blocking platform is blocked at the lower edge of the stator core; due to the expansion and contraction joint, when the compression and expansion column is pressed down, the outer diameters of the compression and expansion column and the pull stop table can be elastically reduced, so that the compression and expansion column can slide through the inner cavity of the stator; then, a socket wrench is used for rotating and screwing a nut, so that an expansion screw and an expansion cone head are forced to be lifted upwards, the expansion cone head acts on the frustum hole, the column wall of the contraction and expansion column is expanded and is expanded in the inner cavity of the stator, and meanwhile, the pull baffle table hooks the lower edge opening of the stator iron core; the technical scheme includes that the expander and the stator are ejected out of an inner cavity of the shell from bottom to top by the aid of a press, nuts are unscrewed, the expansion screw and the expansion cone head are loosened downwards to form a contraction and expansion column, and the contraction and expansion column is pulled out of the inner cavity of the stator core upwards.
Drawings
FIG. 1 is a schematic sectional front view of the stator assembly/disassembly device of the efficient motor of the present invention;
fig. 2 is a schematic view showing the construction of an expander 1 of a high-efficiency motor stator mounting and dismounting device according to the present invention;
fig. 3 is a schematic structural view of an expansion screw 2 of the efficient motor stator assembling and disassembling device of the invention;
FIG. 4 is a top view of FIG. 2;
FIG. 5 is a bottom view of FIG. 2;
fig. 6 is a schematic axial view of the expander 1 of the efficient motor stator mounting and dismounting device of the present invention;
fig. 7 is an axial view of the expansion screw 2 of the efficient motor stator assembling and disassembling device according to the present invention;
fig. 8 is a schematic view of the stator mounting and dismounting device of the high-efficiency motor of the present invention, which works in a state of mounting the stator 01;
fig. 9 is a schematic diagram of a high-efficiency motor stator mounting and dismounting device of the invention, which works in a state of dismounting a stator 01;
fig. 10 is a schematic view of a connection relationship between the stator 01 and the housing 02.
The invention will be described in more detail hereinafter with reference to an embodiment example in the drawings, but it should not be construed as being limited thereto.
In the figure: the expansion device comprises an expander 1, a guide post 11, a pressing blocking platform 111, a shrinking and expanding post 12, a pulling blocking platform 121, an expanding and contracting seam 122, a nut groove 13, an expanding rod hole 14, a frustum hole 15, an expanding screw rod 2, an expanding conical head 21, a rotation stopping rib 22, a pulling conical head 23, a nut 24, a stator 01, a stator core 011, a coil winding 012 and a machine shell 02.
Detailed Description
Referring to fig. 1 to 9, the efficient motor stator mounting and dismounting device of the present invention includes an expander 1 and an expansion screw 2, wherein: the expander 1 is a cylindrical aluminum alloy member, a circular through hole in the vertical direction is formed in the center of the expander 1 and is called an expansion rod hole 14, a circular groove communicated with the expansion rod hole 14 is formed in the center of the upper surface of the expander 1 and is called a nut groove 13, and the inner diameter of the nut groove 13 is larger than that of the expansion rod hole 14; a frustum hole 15 communicated with the expansion rod hole 14 is formed in the center of the lower surface of the expander 1, and the frustum hole 15 is a stepped groove with a small upper part and a large lower part and a cylindrical lower part; the upper part of the outer column wall of the expander 1 is called a guide column 11, and the lower part of the outer column wall of the expander 1 is called a contraction and expansion column 12; the lower edge of the guide post 11 is provided with a flange step called a pressing stop table 111; the lower edge of the shrinkage and expansion column 12 is provided with a flange step called a pull stopping table 121; six gaps which are in the vertical direction and communicated with the lower part of the expansion rod hole 14 and the frustum hole 15 are uniformly distributed on the column wall of the shrinkage and expansion column 12 and are called as expansion and shrinkage seams 122; the outer diameters of the pressing blocking table 111 and the pulling blocking table 121 are equal, the outer diameters of the guide column 11 and the shrinkage and expansion column 12 are equal, and the outer column wall of the guide column 11 is in sliding fit with the inner cavity wall of the stator core 011;
the expansion screw rod 2 is a cylindrical rod-shaped steel component, a conical frustum-shaped flange with a small upper part and a large lower part is arranged at the lower end of the expansion screw rod 2 and is called an expansion cone head 21, and a strip-shaped flange is arranged on the conical surface of the expansion cone head 21 and is called a stop-rotating rib 22; the upper end of the expansion screw rod 2 is provided with an external thread called a screw pulling head 23, and an external hexagonal nut 24 is screwed at the screw pulling head 23;
the expansion screw 2 is positioned in the expansion rod hole 14 of the expander 1, the nut 24 is positioned in the nut groove 13, the expansion cone head 21 is positioned in the frustum hole 15, and the rotation stopping rib 22 is loosely buckled in the expansion and contraction gap 122.
Working principle and beneficial effects
During assembly and application, the guide column 11 is inserted into an inner cavity of the stator 01 in a downward sliding mode for positioning, the pressing and blocking table 111 is blocked at an upper edge opening of the stator core 011, after the shell 02 is heated and expanded, the stator 01 is quickly pressed into the inner cavity of the shell 02 when the shell 02 is hot, and the pressed stator 01 is clamped and fixed in an interference mode after the shell 02 is cooled instantly; the guide post 11 is used for ensuring that the posture of pressing the front stator 01 is correct, so that the axis of the stator 01 is superposed with the axis of the inner cavity of the shell 02;
when the stator core is disassembled and applied, the shrinkage and expansion column 12 faces downwards, pressure is applied to enable the shrinkage and expansion column 12 to penetrate through the inner cavity of the stator 01, and the pull stop table 121 is stopped at the lower edge of the stator core 011; due to the effect of the expansion and contraction seam 122, when the compression and expansion column 12 is pressed down, the outer diameters of the compression and expansion column 12 and the pull-stop table 121 are elastically reduced, so that the compression and expansion column 12 can slide through the inner cavity of the stator 01; then, a socket wrench is used for rotating and screwing the nut 24 to force the expansion screw rod 2 and the expansion conical head 21 to be lifted upwards, the expansion conical head 21 acts on the frustum hole 15 to expand the column wall of the shrinkage and expansion column 12 to be expanded in the inner cavity of the stator 01, meanwhile, the pull stop table 121 hooks the lower edge opening of the stator core 011, then, the expander 1 and the stator 01 are pushed out of the inner cavity of the shell 02 from bottom to top by using a press, then, the nut 24 is unscrewed to enable the expansion screw rod 2 and the expansion conical head 21 to loosen the shrinkage and expansion column 12 downwards, and then, the shrinkage and expansion column 12 is upwards pulled out of the inner cavity of the stator core 011; the rotation stopping rib 22 is used for preventing the expansion screw 2 and the expansion cone head 21 from idle rotation when the nut 24 is screwed or unscrewed by utilizing the buckling of the rotation stopping rib 22 and the expansion and contraction joint 122.
The device has simple structure and reliable work, and can assemble and disassemble the motor stator and the motor shell, thereby being convenient and rapid, reducing waste and improving efficiency.
Claims (1)
1. The utility model provides a device is installed and removed to high-efficient motor stator, includes expander (1) and expansion screw (2), its characterized in that: the expander (1) is a cylindrical aluminum alloy member, a circular through hole in the vertical direction is formed in the center of the expander (1) and is called a rod expansion hole (14), a circular groove communicated with the rod expansion hole (14) is formed in the center of the upper surface of the expander (1) and is called a nut groove (13), and the inner diameter of the nut groove (13) is larger than that of the rod expansion hole (14); a frustum hole (15) communicated with the expansion rod hole (14) is formed in the center of the lower surface of the expander (1), and the frustum hole (15) is a stepped groove with a small upper part and a large lower part in a frustum shape and a cylindrical lower part; the upper part of the outer column wall of the expander (1) is called a guide column (11), and the lower part of the outer column wall of the expander (1) is called a contraction and expansion column (12); a flange step called a pressing stop table (111) is arranged at the lower side of the guide column (11); a flange step called a pull stopping table (121) is arranged at the lower side of the shrinkage and expansion column (12); six gaps which are in the vertical direction and communicated with the lower part of the expansion rod hole (14) and the frustum hole (15) are uniformly distributed on the column wall of the contraction and expansion column (12) and are called expansion contraction joints (122); the outer diameters of the pressing blocking table (111) and the pulling blocking table (121) are equal, the outer diameters of the guide column (11) and the expansion column (12) are equal, and the outer column wall of the guide column (11) is in sliding fit with the inner cavity wall of the stator core (011);
the expansion screw (2) is a cylindrical rod-shaped steel component, the lower end of the expansion screw (2) is provided with a conical flange with a small upper part and a large lower part, namely an expansion cone head (21), and the conical surface of the expansion cone head (21) is provided with a strip-shaped flange, namely a stop-rotating rib (22); the upper end of the expansion screw rod (2) is provided with an external thread called a screw pulling head (23), and an external hexagonal nut (24) is screwed at the screw pulling head (23);
the expansion screw (2) is located in the expansion rod hole (14) of the expander (1), the nut (24) is located in the nut groove (13), the expansion cone head (21) is located in the cone table hole (15), and the rotation stopping rib (22) is loosely buckled in the expansion contraction joint (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711501010.3A CN108063529B (en) | 2017-12-29 | 2017-12-29 | Efficient motor stator assembling and disassembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711501010.3A CN108063529B (en) | 2017-12-29 | 2017-12-29 | Efficient motor stator assembling and disassembling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108063529A CN108063529A (en) | 2018-05-22 |
| CN108063529B true CN108063529B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711501010.3A Active CN108063529B (en) | 2017-12-29 | 2017-12-29 | Efficient motor stator assembling and disassembling device |
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| CN (1) | CN108063529B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116231976B (en) * | 2023-05-10 | 2023-07-25 | 广东安承动力科技有限公司 | Frock is dismantled to synchronous servo motor's of permanent magnetism rotatory change rotor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203670383U (en) * | 2013-11-25 | 2014-06-25 | 天津市奥德瑞标准件有限公司 | Self-locking expansion bolt for elevator |
| CN103887930A (en) * | 2012-12-21 | 2014-06-25 | 南京梅山冶金发展有限公司 | Device used for dismounting valve motor core |
| CN203696002U (en) * | 2014-01-21 | 2014-07-09 | 山东华普电机科技有限公司 | Stator expanding tire mandrel of alternating current servo spindle motor |
| CN203764809U (en) * | 2014-04-14 | 2014-08-13 | 嘉兴恒日太阳能科技有限公司 | Expansion rod in heat exchanging tube expanded connection device |
| CN105540424A (en) * | 2016-03-10 | 2016-05-04 | 中车株洲电机有限公司 | Shrink fit and hoisting-transporting method and device for stator core provided with windings |
| CN207853701U (en) * | 2017-12-29 | 2018-09-11 | 上海崇林汽车电子有限公司 | A kind of high efficiency motor stator assembling and disassembling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3932177B2 (en) * | 2002-05-24 | 2007-06-20 | 株式会社ジェイテクト | Motor manufacturing equipment |
-
2017
- 2017-12-29 CN CN201711501010.3A patent/CN108063529B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887930A (en) * | 2012-12-21 | 2014-06-25 | 南京梅山冶金发展有限公司 | Device used for dismounting valve motor core |
| CN203670383U (en) * | 2013-11-25 | 2014-06-25 | 天津市奥德瑞标准件有限公司 | Self-locking expansion bolt for elevator |
| CN203696002U (en) * | 2014-01-21 | 2014-07-09 | 山东华普电机科技有限公司 | Stator expanding tire mandrel of alternating current servo spindle motor |
| CN203764809U (en) * | 2014-04-14 | 2014-08-13 | 嘉兴恒日太阳能科技有限公司 | Expansion rod in heat exchanging tube expanded connection device |
| CN105540424A (en) * | 2016-03-10 | 2016-05-04 | 中车株洲电机有限公司 | Shrink fit and hoisting-transporting method and device for stator core provided with windings |
| CN207853701U (en) * | 2017-12-29 | 2018-09-11 | 上海崇林汽车电子有限公司 | A kind of high efficiency motor stator assembling and disassembling device |
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| CN108063529A (en) | 2018-05-22 |
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