CN110994820A - Assembly structure and manufacturing method of water-cooled machine shell and stator core - Google Patents
Assembly structure and manufacturing method of water-cooled machine shell and stator core Download PDFInfo
- Publication number
- CN110994820A CN110994820A CN201911399036.0A CN201911399036A CN110994820A CN 110994820 A CN110994820 A CN 110994820A CN 201911399036 A CN201911399036 A CN 201911399036A CN 110994820 A CN110994820 A CN 110994820A
- Authority
- CN
- China
- Prior art keywords
- shell
- stator core
- inner shell
- water
- outer shell
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
- H02K15/14—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Abstract
The invention discloses an assembly structure of a water cooling shell and a stator core, which comprises a stator core, an inner shell and an outer shell, wherein a stator core groove is circumferentially arranged on the outer wall of the stator core, the inner shell is provided with an inner shell concave part jointed with the stator core groove, the outer shell is provided with outer shell bulges which are opposite to the inner shell concave part one by one, a water pipe is jointed between the corresponding inner shell concave part and the outer shell bulges, two ends of the water pipe exceed two ends of the inner shell and the outer shell, two ends of the water pipe are bent to form bent parts, the bent parts on the same sides of any two adjacent water pipes are respectively a water inlet and a water outlet, the other bent parts are connected end to form a water. The invention has simple processing and manufacturing process and simple assembly; the structure is compact and the fixation is reliable; the water channel is firm in connection and visible, inspection and maintenance are convenient, and leakage is not easy to occur.
Description
Technical Field
The invention relates to the technical field of motor casings, in particular to an assembly structure and a manufacturing method of a water-cooling casing and a stator core.
Background
The water-cooled casing is made by turning spiral groove around the casing and casting one outer casing to form water channel. The structure of this kind of water-cooling casing is comparatively complicated and with high costs, and the water course is hidden inside invisible, overhauls very troublesome, waits to improve it.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an assembly structure and a manufacturing method of a water-cooling shell and a stator core, which have the advantages of simple processing and manufacturing process and simple assembly; the structure is compact and the fixation is reliable; the water channel is firm in connection and visible, inspection and maintenance are convenient, and leakage is not easy to occur.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an assembly structure of water-cooling casing and stator core, includes stator core, is located the interior casing of stator core outer wall, is located interior casing of casing outer wall, the shell body that is located interior casing outer wall, stator core outer wall circumference is equipped with the stator core recess, interior casing is equipped with the interior casing concave part with the laminating of stator core recess, the shell body is equipped with the shell body arch with interior casing concave part one-to-one, and the laminating is equipped with the water service pipe between corresponding interior casing concave part and the shell body arch, the both ends that the both ends of water service pipe surpass the both ends of interior casing and shell body and the water service pipe are bent and are formed the kink, and the kink of arbitrary two adjacent water service pipe homonymies is water inlet and delivery port respectively, and.
The bending parts connected end to end are connected through a connecting sleeve.
The outer wall of the stator core is provided with a stator core adjusting groove, the inner shell is provided with an inner shell adjusting concave portion pressed into the stator core adjusting groove, and the outer shell is provided with an outer shell adjusting concave portion pressed into the inner shell adjusting concave portion.
The terminal surface outer fringe circumference of interior casing is equipped with interior casing half slot, the terminal surface inner fringe circumference of shell body is equipped with the shell body half slot with interior casing half slot one-to-one, interior casing half slot and the cooperation of shell body half slot form a complete circular slot, the interior terminal surface that links up the casing is equipped with the projection of interference fit circular slot of impressing.
The outer wall circumference of the engagement shell forms an engagement shell concave part, and the bent part is positioned in the engagement shell concave part.
The invention also provides a manufacturing method of the assembly structure of the water-cooling shell and the stator core, which comprises the following steps:
① sleeving a circular inner shell on the periphery of the stator core, wherein the inner diameter of the inner shell is larger than the outer diameter of the stator core, the inner shell is attached to and tightly pressed on the periphery of the stator core by a pressure device, and the inner shell is pressed into a stator core groove and deformed to form an inner shell concave part;
② placing and fixing water pipe in each concave part of the inner shell, and sticking and inserting core rod in the water pipe;
③ sleeving the outer shell around the inner shell and the water pipe in step ②, and pressing the inner shell and the water pipe tightly with a pressure device;
④ taking off the core rod, bending the water pipe to form a bent part, and welding to form a water channel;
⑤ holes are punched at both ends of the inner and outer shells and press-fit the inner and outer shells in an interference fit.
And in the step ①, when the pressure device is operated, the pressure device presses the stator core adjusting grooves from one side of the stator core adjusting grooves to the periphery of the stator core, presses each stator core groove one by one in sequence in the press-fitting process, and finally presses the stator core adjusting grooves.
In the step ②, the water pipe is fixed by gluing or spot welding.
In the step ③, the pressing device starts pressing from one side of the inner shell adjusting concave part to the periphery of the inner shell, and presses each water pipe one by one in the pressing process, and finally presses the inner shell adjusting concave part.
And ⑤, arranging a convex column on the inner end surface of the connecting shell, punching holes at the two ends of the inner shell and the outer shell to form a circular groove for press fitting of the convex column in an interference fit manner, wherein the circular groove is formed by matching an inner shell semicircular groove on the end surface of the inner shell with an outer shell semicircular groove on the end surface of the outer shell.
The invention has the beneficial effects that: the processing and manufacturing process is simple, and the assembly is simple; the structure is compact, and the stator core, the inner shell, the outer shell and the connecting shell are reliably fixed; the water channel is firm in connection and visible, inspection and maintenance are convenient, and leakage is not easy to occur.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a perspective view of the present invention (with the splice housing removed);
fig. 6 is a perspective view of a stator core of the present invention;
FIG. 7 is a perspective view showing a water pipe with a plug attached to the outside of an inner case according to the present invention.
In the figure: the stator core comprises a stator core 1, a winding slot 11, a stator core groove 12, a cramp slot 13, a cramp 14, a stator core adjusting groove 15, an inner shell 2, an inner shell concave part 21, an inner shell adjusting concave part 22, an inner shell semi-circular groove 23, a water pipe 3, a bent part 31, an outer shell 4, an outer shell protrusion 41, an outer shell adjusting concave part 42, an outer shell semi-circular groove 43, a connecting shell 5, a connecting shell concave part 51, a convex column 52, a screw hole 53, a connecting sleeve 6 and a core rod 7.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1 to 7, an assembly structure of a water-cooling machine shell and a stator core comprises a stator core 1, an inner shell 2 located on the outer wall of the stator core 1, and an outer shell 4 located on the outer wall of the inner shell 2, wherein the inner shell 2 and the outer shell 4 are made of aluminum and have good ductility.
The annular inner wall of the stator core 1 forms winding slots 11 which are uniformly distributed in the circumferential direction, the annular outer wall of the stator core 1 forms buckle piece slots 13 which are uniformly distributed in the circumferential direction, and buckle pieces 14 are clamped in the buckle piece slots 13 to fix the stator core 1 (the stator core 1 is formed by stacking thin silicon steel sheets), which are all the prior art and are not described in detail herein.
The inner shell 2 is provided with an inner shell concave part 21 attached to the stator core groove 12, the inner shell concave part 21 is formed by pressure deformation, the inner wall and the outer wall of the inner shell concave part 21 are both arc-shaped, and the inner wall of the inner shell concave part 21 is attached to and matched with the stator core groove 12.
The outer housing 4 is provided with outer housing protrusions 41 which are opposite to the inner housing recesses 21 one by one, and the inner housing recesses 21 are opposite to the outer housing protrusions 41 in the radial direction.
The water pipe 3 is attached between the corresponding inner shell concave part 21 and the outer shell bulge 41, and the water pipe 3 is a copper pipe. Both the inner housing concave portion 21 and the outer housing convex portion 41 form a space into which the water passage pipe 3 is fitted. The equal and both ends of length of interior casing 2 and shell body 4 align the installation, and the length of interior casing 2 equals the length of stator core 1 and the both ends of interior casing 2 align with the both ends of stator core 1.
The two ends of the water service pipe 3 exceed the two ends of the inner shell 2 and the outer shell 4, and the two ends of the water service pipe 3 are bent to form bent parts 31, the bent parts 31 on the same sides of any two adjacent water service pipes 3 are respectively a water inlet and a water outlet, and the other bent parts 31 are connected end to form a water channel, so that all the water service pipes 3 are connected to form a water channel which can be internally used for cooling the motor.
The end-to-end bent parts 31 are connected through a connecting sleeve 6. The connecting sleeve 6 is made of copper, and the connecting sleeve 6 is connected with the bending part 31 in a welding mode.
The laminating of the both ends face of interior casing 2 and shell body 4 is connected with and links up casing 5, links up outer terminal surface circumference equipartition screw 53 of casing 5, and screw 53 is used for being connected with the motor front and back end cover.
The water pipe 3 starts to bend from the positions beyond the two ends of the inner shell 2 and the outer shell 4, and is bent outwards in the radial direction at first, so that the installation of the front end cover and the rear end cover of the motor is influenced by the existence of the bent part 31 of the water pipe 3, and therefore the connecting shell 5 needs to be additionally installed for connecting the front end cover and the rear end cover of the motor.
The outer wall of the engaging shell 5 forms an engaging shell recess 51 in the circumferential direction, the bent portion 31 is partially located in the engaging shell recess 51, that is, the bent portion 31 is located at the inner end of the engaging shell recess 51, that is, the outer end of the engaging shell recess 51 has an extra space, and the installation of the front and rear end covers of the motor is not affected.
The outer wall of stator core 1 is equipped with stator core and adjusts recess 15, interior casing 2 is equipped with the interior casing of stator core regulation recess 15 and adjusts concave part 22, shell 4 is equipped with the shell body of interior casing regulation concave part 22 and adjusts concave part 42.
The invention also provides a manufacturing method of the assembly structure of the water-cooling shell and the stator core, which comprises the following steps:
①, sleeving the annular inner housing 2 on the periphery of the stator core 1, wherein the inner diameter of the inner housing 2 is larger than the outer diameter of the stator core 1, and the size of the inner housing can be calculated specifically;
pressing the inner shell 2 to the periphery of the stator core 1 by a pressure device, pressing the inner shell 2 into the stator core groove 12 and deforming and matching to form an inner shell concave part 21;
in the step ①, when the pressure device is operated, the pressure device presses the stator core 1 from one side of the stator core adjusting groove 15, the stator core adjusting groove 12 is pressed one by one in the pressing process, and the stator core adjusting groove 15 is pressed finally, the stator core adjusting groove 15 is used for final adjustment and tightening, and the inner shell 2 forms an inner shell adjusting concave part 22 matched with the stator core adjusting groove 15 after the stator core adjusting groove 15 is pressed.
The pressure device can be a rotary indexing table matched hydraulic cylinder, the stator core 1 is installed on the rotary indexing table and drives circumferential rotation through the rotary indexing table, the ejection end of the hydraulic cylinder is connected with a round bar, the round bar is attached to the outer wall of the inner shell 2, pressure is radially applied to the outer wall of the inner shell 2, the length of the round bar exceeds the length of the inner shell 2, the two ends of the round bar exceed the two ends of the inner shell 2, and the diameter of the round bar needs to be matched with the stator core groove 12 and the stator core adjusting groove 15.
② A water pipe 3 is fixed to each concave part 21 of the inner case, a plug 7 is inserted into the water pipe 3 in a fitting manner, and both ends of the water pipe 3 are protruded from both ends of the inner case 2.
In the step ②, the water pipe 3 is fixed by gluing or spot welding, the core rod 7 can ensure that the water pipe 3 cannot deform during subsequent press fitting, and the core rod 7 is made of steel.
The length of the core rod 7 may be longer than the length of the water passage pipe 3 and both ends of the core rod 7 exceed both ends of the water passage pipe 3, so that the final core rod 7 can be conveniently extracted.
③ the outer shell 4 is fitted around the inner shell 2 and the water pipe 3 in step ②, and the outer shell 4 is pressed against the water pipe 3 and the inner shell 2 by a pressing means, so that the outer shell 4 is pressed out of the outer shell projections 41 fitted to the water pipe 3 one by one.
In the step ③, the pressing device is operated to press the inner shell 2 from the side of the inner shell adjustment recess 22 to the periphery thereof, and the inner shell adjustment recess 22 is pressed through the water tubes 3 one by one in the pressing process, and finally the inner shell adjustment recess 22 is pressed, and the outer shell 4 forms an outer shell adjustment recess 42 matching the inner shell adjustment recess 22 after the inner shell adjustment recess 22 is pressed.
The construction and principles of the pressure devices of steps ① and ③ are the same.
④ the core rod 7 in the water pipe 3 is taken off, the water pipe 3 is bent to form a bent part 31 and welded to form a water channel, specifically, the two bent parts 31 are welded and connected by additionally arranging a connecting sleeve 6.
⑤ are punched at both ends of the inner and outer shells 2, 4 and press-fit into engagement with the shell 5 in an interference fit.
The inner end face of the connecting shell 5 in the step ⑤ is provided with a convex column 52, two ends of the inner shell 2 and the outer shell 4 are punched to form a circular groove for interference fit press mounting of the convex column 52, and the circular groove is formed by matching an inner shell semicircular groove 23 on the end face of the inner shell 2 and an outer shell semicircular groove 43 on the end face of the outer shell 4.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An assembly structure of a water-cooling machine shell and a stator core is characterized by comprising a stator core (1), an inner shell (2) positioned on the outer wall of the stator core (1) and an outer shell (4) positioned on the outer wall of the inner shell (2), wherein a stator core groove (12) is circumferentially arranged on the outer wall of the stator core (1), the inner shell (2) is provided with an inner shell concave part (21) jointed with the stator core groove (12), the outer shell (4) is provided with outer shell bulges (41) which are one-to-one opposite to the inner shell concave part (21), a water service pipe (3) is jointed between the corresponding inner shell concave part (21) and the outer shell bulges (41), two ends of the water service pipe (3) exceed two ends of the inner shell (2) and the outer shell (4) and two ends of the water service pipe (3) are bent to form bent parts (31), the bent parts (31) on the same side, all the other bent parts (31) are connected end to form a water channel, and the two end faces of the inner shell (2) and the outer shell (4) are attached to the connecting shell (5).
2. The assembly structure of the water-cooled machine shell and the stator core as claimed in claim 1, characterized in that the end-to-end bent parts (31) are connected by a connecting sleeve (6).
3. An assembling structure of a water-cooled machine shell and a stator core according to claim 1, characterized in that the outer wall of the stator core (1) is provided with a stator core adjusting groove (15), the inner shell (2) is provided with an inner shell adjusting concave portion (22) pressed into the stator core adjusting groove (15), and the outer shell (4) is provided with an outer shell adjusting concave portion (42) pressed into the inner shell adjusting concave portion (22).
4. The assembly structure of the water-cooling machine shell and the stator iron core as claimed in claim 1, wherein the outer edge of the end surface of the inner shell (2) is circumferentially provided with an inner shell semicircular groove (23), the inner edge of the end surface of the outer shell (4) is circumferentially provided with an outer shell semicircular groove (43) which is one-to-one opposite to the inner shell semicircular groove (23), the inner shell semicircular groove (23) and the outer shell semicircular groove (43) are matched to form a complete circular groove, and the inner end surface of the connecting shell (5) is provided with a convex column (52) which is pressed into the circular groove in an interference fit manner.
5. The assembly structure of a water-cooled casing and a stator core as claimed in claim 1, wherein the outer wall of the engaging casing (5) forms a engaging casing recess (51) in the circumferential direction, and the bent portion (31) is partially located in the engaging casing recess (51).
6. A method for manufacturing an assembling structure of a water-cooled casing and a stator core according to any one of claims 1 to 5, comprising the steps of:
①, a circular inner shell (2) is sleeved on the periphery of the stator core (1), the inner diameter of the inner shell (2) is larger than the outer diameter of the stator core (1), the inner shell (2) is attached to and tightly presses the periphery of the stator core (1) by a pressure device, and the inner shell (2) is pressed into the stator core groove (12) and deformed and matched to form an inner shell concave part (21);
② the water pipe (3) is put into each concave part (21) of the inner shell and fixed, the core rod (7) is inserted in the water pipe (3) in a fitting way;
③, sleeving the outer shell (4) on the periphery of the inner shell (2) and the water pipe (3) in the step ②, and attaching and pressing the water pipe (3) and the inner shell (2) to each other by the outer shell (4) through a pressure device;
④ taking off the core rod (7) in the water pipe (3), bending the water pipe (3) to form a bent part (31) and welding to form a water channel;
⑤ holes are punched at both ends of the inner shell (2) and the outer shell (4) and press-fit the engaging shell (5) in an interference fit manner.
7. The method as claimed in claim 6, wherein the pressing means of step ① is operated to press the stator core (1) from the side of the stator core adjustment recess (15) against the periphery of the stator core, and the pressing means is operated to press the stator core adjustment recesses (15) through each stator core recess (12) one by one and finally press the stator core adjustment recesses (15).
8. The method for manufacturing an assembly structure of a water-cooled machine shell and a stator core as claimed in claim 6, wherein the water pipe (3) is fixed by gluing or spot welding in the step ②.
9. The method for manufacturing an assembling structure of a water-cooled casing and a stator core as claimed in claim 6, wherein said pressing means of step ③ is operated to press the inner casing (2) from the regulating recess (22) side against the outer periphery of the inner casing, and to press the inner casing regulating recess (22) through each water passage tube (3) one by one in the press-fitting process.
10. The method as claimed in claim 6, wherein in the step ⑤, the inner end face of the connecting shell (5) is provided with a convex pillar (52), and the two ends of the inner shell (2) and the outer shell (4) are punched to form a circular groove for press fitting of the convex pillar (52) in an interference fit manner, wherein the circular groove is formed by matching an inner shell semicircular groove (23) on the end face of the inner shell (2) and an outer shell semicircular groove (43) on the end face of the outer shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399036.0A CN110994820B (en) | 2019-12-30 | 2019-12-30 | Assembly structure and manufacturing method of water-cooled machine shell and stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399036.0A CN110994820B (en) | 2019-12-30 | 2019-12-30 | Assembly structure and manufacturing method of water-cooled machine shell and stator core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110994820A true CN110994820A (en) | 2020-04-10 |
| CN110994820B CN110994820B (en) | 2021-08-31 |
Family
ID=70079138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911399036.0A Active CN110994820B (en) | 2019-12-30 | 2019-12-30 | Assembly structure and manufacturing method of water-cooled machine shell and stator core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110994820B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300527A (en) * | 2021-05-19 | 2021-08-24 | 浙爆集团有限公司 | Explosion-proof type three-phase asynchronous motor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040080220A1 (en) * | 2002-10-24 | 2004-04-29 | Fanuc Ltd. | Cooling jacket and motor unit with cooling jacket |
| CN101562371A (en) * | 2008-04-18 | 2009-10-21 | Abb有限公司 | Cooling element for electrical machine |
| US8405262B1 (en) * | 2011-11-30 | 2013-03-26 | Kollmorgen Corporation | Cooling of electric motor with coolant pipe and conduction plates or cups |
| CN106026497A (en) * | 2016-06-28 | 2016-10-12 | 重庆渝南科技股份有限公司 | Motor casing with water cooling structure |
| CN107332373A (en) * | 2017-08-22 | 2017-11-07 | 彭希南 | Permanent magnetic brushless stator and rotor structure of a kind of high pulling torque with cooling water pipe |
| CN208158305U (en) * | 2018-05-28 | 2018-11-27 | 江西力玛机电科技有限公司 | A kind of novel motor shell |
| CN109167447A (en) * | 2018-11-15 | 2019-01-08 | 葛素珍 | A kind of assembling structure of water-cooled stator |
| CN109831043A (en) * | 2019-04-03 | 2019-05-31 | 安徽特芯电子科技有限公司 | A kind of switched reluctance machines of built-in liquid cooling pipeline |
| US20190207439A1 (en) * | 2017-12-13 | 2019-07-04 | Ferrari S.P.A. | Stator of an electric machine provided with fluid cooling |
-
2019
- 2019-12-30 CN CN201911399036.0A patent/CN110994820B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040080220A1 (en) * | 2002-10-24 | 2004-04-29 | Fanuc Ltd. | Cooling jacket and motor unit with cooling jacket |
| CN101562371A (en) * | 2008-04-18 | 2009-10-21 | Abb有限公司 | Cooling element for electrical machine |
| US8405262B1 (en) * | 2011-11-30 | 2013-03-26 | Kollmorgen Corporation | Cooling of electric motor with coolant pipe and conduction plates or cups |
| CN106026497A (en) * | 2016-06-28 | 2016-10-12 | 重庆渝南科技股份有限公司 | Motor casing with water cooling structure |
| CN107332373A (en) * | 2017-08-22 | 2017-11-07 | 彭希南 | Permanent magnetic brushless stator and rotor structure of a kind of high pulling torque with cooling water pipe |
| US20190207439A1 (en) * | 2017-12-13 | 2019-07-04 | Ferrari S.P.A. | Stator of an electric machine provided with fluid cooling |
| CN208158305U (en) * | 2018-05-28 | 2018-11-27 | 江西力玛机电科技有限公司 | A kind of novel motor shell |
| CN109167447A (en) * | 2018-11-15 | 2019-01-08 | 葛素珍 | A kind of assembling structure of water-cooled stator |
| CN109831043A (en) * | 2019-04-03 | 2019-05-31 | 安徽特芯电子科技有限公司 | A kind of switched reluctance machines of built-in liquid cooling pipeline |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300527A (en) * | 2021-05-19 | 2021-08-24 | 浙爆集团有限公司 | Explosion-proof type three-phase asynchronous motor |
| CN113300527B (en) * | 2021-05-19 | 2022-06-21 | 浙爆集团有限公司 | Explosion-proof type three-phase asynchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110994820B (en) | 2021-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110994820B (en) | Assembly structure and manufacturing method of water-cooled machine shell and stator core | |
| CN101779014A (en) | Exhaust pipe connection structure and exhaust pipe connection method | |
| CN105470683B (en) | Cage leaf spring and the jack and electric connector using the leaf spring | |
| JP2001025211A (en) | Motor and manufacture thereof | |
| JP2004150788A (en) | Pipe joint structure and connecting method for pipe joint | |
| JP2004291072A (en) | Working method of end of piping, and manufacturing method of piping joint with flange | |
| CN107404174A (en) | Motor case and motor | |
| CN215719078U (en) | Fan motor shaft of automobile radiator | |
| CN215646408U (en) | Surface-mounted rotor magnetic steel anti-drop structure | |
| CN212839949U (en) | Quick-insertion structure for connection of rigid pipe of air inlet system | |
| CN218965459U (en) | Joint module and joint robot with single expansion sleeve for connecting motor and speed reducer | |
| CN219843464U (en) | Motor with a motor housing | |
| JP2010117041A (en) | Cooling member and manufacturing method therefore | |
| JPH06343251A (en) | Manufacture for rotor of permanent-magnet generator | |
| US5903967A (en) | Double cylinder body and a manufacturing method thereof | |
| EP1245892B1 (en) | Pipe connection system and method for mounting such a system | |
| CN217656172U (en) | Shielding connecting ring | |
| CN220286570U (en) | Pipeline connection structure convenient to ball valve installation | |
| CN201266869Y (en) | Motor structure | |
| CN216672683U (en) | Fixing structure of stator core assembly and motor shell | |
| CN217841867U (en) | Single-shell fuel pump | |
| CN213178815U (en) | Liquid heating device | |
| CN218266318U (en) | Vertical hydraulic pump sleeve for industrial robot | |
| CN210430141U (en) | Antenna pin with improved performance | |
| CN107144045B (en) | Evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |