CN102857016B - Water-cooled motor casing - Google Patents
Water-cooled motor casing Download PDFInfo
- Publication number
- CN102857016B CN102857016B CN201110181911.5A CN201110181911A CN102857016B CN 102857016 B CN102857016 B CN 102857016B CN 201110181911 A CN201110181911 A CN 201110181911A CN 102857016 B CN102857016 B CN 102857016B
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- Prior art keywords
- water channel
- motor casing
- water
- withe
- main body
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- 239000000498 cooling water Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 241001640034 Heteropterys Species 0.000 claims description 39
- 239000002826 coolant Substances 0.000 claims description 21
- 238000005266 casting Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract 3
- 230000005484 gravity Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a water-cooled motor casing which comprises a motor casing body, a first end cap and a second end cap. A cooling water inlet and a cooling water outlet are arranged on the motor casing body, a plurality of left and right longitudinal partitions are cast between an outer cylindrical wall and an inner cylindrical wall and are in indented arrangement, a longitudinal water channel is formed between side walls of each left longitudinal partition and each right longitudinal partition adjacent to each other, a first circumferential water channel and a second circumferential water channel are respectively formed at a first gap and a second gap, the longitudinal water channels helically extend along the motor casing body longitudinally, the helical angle alpha of the center line of the longitudinal water channels ranges from 5 degrees to 30 degrees, the cooling water inlet is reserved at the first gap and connected with the first circumferential water channel, and the cooling water outlet is reserved at the second gap, connected with the second circumferential water channel, and positioned on the back side of the cooling water inlet. The water-cooled motor casing has the advantages that water flows smoothly, water resistance is low, water flow process is short, cooling effect is good, processing procedures are less, and the water-cooled motor casing can meet requirements of tests under pressure higher than or equal to 0.5Mpa, is easy to manufacture and high in yield.
Description
Technical field
The present invention relates to a kind of motor, particularly a kind of water-cooled machine.
Background technology
Water cooling motor housing is the cooling system of laying the course on the metal-back of motor, takes away the heat of motor casing inside by flowing water, thereby reduces motor internal temperature.Existing most of water cooling motor housing adopts inner casing and shell to cast separately, at inner casing and the shell periphery circumferential helicla flute of getting on the bus out, carries out the welding of both ends of the surface after inner casing and shell are combined again, or by adhesive bond together.Water channel in motor casing is processed into longitudinal water channel can make motor casing bulk temperature more even, but longitudinal water channel of existing water cooling motor housing is parallel with the center line of water cooling motor housing, turn round more anxious, and the cooling water inlet on end cap and the current flow process between coolant outlet longer, the disclosed structure of Chinese patent literature CN201450384U for example, therefore current have some setbacks, and water resistance is large, need very high hydraulic pressure to supply water.In addition, existing water cooling motor housing is difficult to the test by pressure testing >=0.5Mpa, and manufacturing process is complicated, makes trouble, and easily forms waste product.
Summary of the invention
Longitudinal water cooling motor housing of the test that the object of the present invention is to provide that a kind of current are smooth and easy, water resistance is little, current flow process is short and can be by pressure testing >=0.5Mpa.
The technical scheme that realizes above-mentioned purpose is: a kind of water cooling motor housing, comprise motor casing main body, described motor casing main body comprises outer tube wall and inner tube wall, the outer tube wall of described motor casing main body and inner tube wall casting become an integral body, the two ends of described motor casing main body be sealedly and fixedly connected respectively corresponding the first end cap and the second end cap, in described motor casing main body, there is cooling water inlet and coolant outlet, between described outer tube wall and inner tube wall, be cast with many left sides, right withe, described many left sides, right withe is indenting shape and arranges, when the left end of a left withe and the first end cap join, between its right-hand member and the second end cap, leave Second gap, the left end of the right withe adjacent with an above-mentioned left withe and between the first end cap, leave the first space, its right-hand member and the second end cap join, described every adjacent two left sides, between the sidewall of right withe, form longitudinal water channel, the first gap and Second gap place form respectively the first circumferential water channel and second week to water channel, described longitudinal water channel longitudinally extends twist along motor casing main body, longitudinally the pitch angle alpha will of the center line of water channel is 5 ° ~ 30 °, described longitudinal water channel is communicated with for cooling water channel to water channel with the first circumferential water channel and second week, cooling water channel one end communicates with cooling water inlet, the other end communicates with coolant outlet, described cooling water inlet is positioned at the first gap and is connected with the first circumferential water channel, described coolant outlet is positioned at Second gap place and is connected to water channel with second week, and coolant outlet is positioned at the dorsal part of cooling water inlet simultaneously.
The circumferential width of the link of described left and right withe is greater than free-ended circumferential width.
Angle β between the two side of described left withe is 5 ° ~ 60 °, and the angle γ between the two side of right withe is 5 ° ~ 60 °.
When the angle β between the two side of described left and right withe and γ equate, left withe is consistent with right withe shape, opposite direction, and longitudinally the aisle spare vertical with water (flow) direction of water channel equates everywhere.
Described cooling water inlet is positioned at the top of motor casing main body; Described coolant outlet is positioned at the bottom of motor casing main body.
Adopt after said structure, owing to being cast with many left and right withes between outer tube wall and inner tube wall, described many left and right withes are indenting shape and arrange, between the sidewall of described every adjacent two left and right withes, form longitudinal water channel, the first gap and Second gap place form respectively the first circumferential water channel and second week to water channel, described longitudinal water channel longitudinally extends twist along motor casing main body, longitudinally the pitch angle alpha will of the center line of water channel is 5 ° ~ 30 °, therefore current are smooth and easy, water resistance is little, without very high hydraulic pressure, supply water; Also because cooling water inlet is positioned at the first gap and be connected with the first circumferential water channel, coolant outlet is positioned at Second gap place and is connected to water channel with second week, coolant outlet is positioned at the dorsal part of cooling water inlet simultaneously, therefore cooling water is from cooling water inlet enters motor casing main body, current are divided into two-way, after coolant outlet place converges, flow out, current flow process is short, good cooling results again.Cooling water channel of the present invention is to cast and form together with motor casing main body, can reach pressure testing >=0.5MPa test, and manufacturing procedure is few, makes simply, and rate of finished products is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of water cooling motor housing of the present invention;
Fig. 2 is cooling water channel in the present invention and the expansion schematic diagram of current flow process;
Fig. 3 is that Fig. 1 is along the profile of A-A line;
Fig. 4 is the perspective view of the chassis body in the present invention.
Embodiment
The present invention is further detailed explanation for the embodiment providing below in conjunction with accompanying drawing.
As Fig. 1, 2, 3, shown in 4, water cooling motor housing of the present invention, comprise motor casing main body 1, described motor casing main body 1 comprises outer tube wall 1-3 and inner tube wall 1-4, the outer tube wall 1-3 of described motor casing main body 1 and inner tube wall 1-4 casting become an integral body, the two ends of described motor casing main body 1 be sealedly and fixedly connected respectively corresponding the first end cap 2 and the second end cap 3, in described motor casing main body 1, there is cooling water inlet 1-1 and coolant outlet 1-2, between described outer tube wall 1-3 and inner tube wall 1-4, be cast with many left sides, right withe 1-5, 1-6, described many left sides, right withe 1-5, 1-6 is indenting shape and arranges, when the left end of a left withe 1-5 and the first end cap 2 join, between its right-hand member and the second end cap 3, leave Second gap 4, the left end of the right withe 1-6 adjacent with an above-mentioned left withe 1-5 and between the first end cap 2, leave the first space 5, its right-hand member and the second end cap 3 join, described every adjacent two left sides, right withe 1-5, between the sidewall of 1-6, form longitudinal water channel 6, the first 5 places, space and Second gap 4 places form respectively the first circumferential water channel 7 and second week to water channel 8, described longitudinal water channel 6 longitudinally extends twist along motor casing main body 1, longitudinally the pitch angle alpha will of the center line of water channel 6 is 5 ° ~ 30 °, described longitudinal water channel 6 is communicated with for cooling water channel to water channel 8 with the first circumferential water channel 7 and second week, cooling water channel one end communicates with cooling water inlet 1-1, the other end communicates with coolant outlet 1-2, described cooling water inlet 1-1 is positioned at 5 places, the first space and is connected with the first circumferential water channel 7, described coolant outlet 1-2 is positioned at Second gap 4 places and is connected to water channel 8 with second week, and coolant outlet 1-2 is positioned at the dorsal part of cooling water inlet 1-1 simultaneously.
As shown in Fig. 1,2,4, for the ease of longitudinal water channel is cast as to spirality, the circumferential width of the link of described left and right withe 1-5,1-6 is greater than free-ended circumferential width.
As shown in Figure 4, for the ease of casting and sand removal, the angle β between the two side of described left withe 1-5 is 5 ° ~ 60 °, and the angle γ between the two side of right withe 1-6 is 5 ° ~ 60 °.
As shown in Figure 4, when the angle β between the two side of described left and right withe 1-5,1-6 and γ equate, left withe 1-5 is consistent with right withe 1-6 shape, opposite direction, and longitudinally the aisle spare vertical with water (flow) direction of water channel 6 equates everywhere.The benefit of doing is like this: make more convenient.Circumferentially water channel 7,8 and longitudinal water channel 6 are to be integrally formed by mud core, when the aisle spare vertical with water (flow) direction of longitudinal water channel 6 equates, need not consider the direction of mud core during lower mud core everywhere; And when the aisle spare gradual change vertical with water (flow) direction of longitudinal water channel 6, during lower mud core, to pay special attention to the direction of mud core, otherwise easily produce waste product.
As shown in Figure 1, described cooling water inlet 1-1 is positioned at the top of motor casing main body 1; Described coolant outlet 1-2 is positioned at the bottom of motor casing main body 1.The benefit of doing is like this: can make full use of the gravity of water self, cooling water enters the rear gravity that can rely on completely from cooling water inlet 1-1 and flows out from coolant outlet 1-2.Therefore in water cooling motor housing use procedure, can reduce the hydraulic pressure in circumferential water channel 7,8 and longitudinal water channel 6, to the water pressure resistance of motor casing main body 1, require lower.
As shown in Figure 1,2,3, 4, when the present invention works, water enters from the cooling water inlet 1-1 of the first circumferential water channel 7, current are divided into two-way, along adjacent two spiral longitudinal water channels 6 operations, then be positioned at cooling water inlet 1-1 dorsal part and at second week, to water channel 8 places, converge by coolant outlet 1-2 and flow out, current flow process is short, good cooling results, can effectively reduce motor internal temperature.
Claims (1)
1. a water cooling motor housing, comprise motor casing main body (1), described motor casing main body (1) comprises outer tube wall (1-3) and inner tube wall (1-4), the outer tube wall (1-3) of described motor casing main body (1) and inner tube wall (1-4) casting become an integral body, the two ends of described motor casing main body (1) be sealedly and fixedly connected respectively corresponding the first end cap (2) and the second end cap (3), is characterized in that:
In a, described motor casing main body (1), there is cooling water inlet (1-1) and coolant outlet (1-2),
Between b, described outer tube wall (1-3) and inner tube wall (1-4), be cast with many left and right withes (1-5,1-6),
C, described many left and right withes (1-5,1-6) are indenting shape to be arranged,, when the left end of a left withe (1-5) and the first end cap (2) join, between its right-hand member and the second end cap (3), leaves Second gap (4); And between the first end cap (2), leave the first space (5), its right-hand member and the second end cap (3) join the left end of the right withe (1-6) adjacent with an above-mentioned left withe (1-5),
Between the sidewall of d, described every adjacent two left and right withes (1-5,1-6), form longitudinal water channel (6), the first space (5) locate and Second gap (4) locates to form respectively the first circumferential water channel (7) and second week to water channel (8),
E, described longitudinal water channel (6) longitudinally extend twist along motor casing main body (1), and longitudinally the pitch angle alpha will of the center line of water channel (6) is 5 ° ~ 30 °,
F, described longitudinal water channel (6) are communicated with for cooling water channel to water channel (8) with the first circumferential water channel (7) and second week, and cooling water channel one end communicates with cooling water inlet (1-1), and the other end communicates with coolant outlet (1-2),
G, described cooling water inlet (1-1) are positioned at that the first space (5) is located and are connected with the first circumferential water channel (7); Described coolant outlet (1-2) is positioned at that Second gap (4) is located and is connected to water channel (8) with second week, and coolant outlet (1-2) is positioned at the dorsal part of cooling water inlet (1-1) simultaneously,
The circumferential width of the link of h, described left and right withe (1-5,1-6) is greater than free-ended circumferential width,
Angle β between the two side of i, described left withe (1-5) is 5 ° ~ 60 °, and the angle γ between the two side of right withe (1-6) is 5 ° ~ 60 °,
When the angle β between the two side of j, described left and right withe (1-5,1-6) and γ equate, left withe (1-5) is consistent with right withe (1-6) shape, opposite direction, longitudinally the aisle spare vertical with water (flow) direction of water channel (6) equates everywhere
K, described cooling water inlet (1-1) are positioned at the top of motor casing main body (1); Described coolant outlet (1-2) is positioned at the bottom of motor casing main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181911.5A CN102857016B (en) | 2011-06-30 | 2011-06-30 | Water-cooled motor casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181911.5A CN102857016B (en) | 2011-06-30 | 2011-06-30 | Water-cooled motor casing |
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| Publication Number | Publication Date |
|---|---|
| CN102857016A CN102857016A (en) | 2013-01-02 |
| CN102857016B true CN102857016B (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110181911.5A Active CN102857016B (en) | 2011-06-30 | 2011-06-30 | Water-cooled motor casing |
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| CN (1) | CN102857016B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787397A (en) * | 2017-03-02 | 2017-05-31 | 阿特拉斯·科普柯(无锡)压缩机有限公司 | Water-cooled machine |
| CN107294263A (en) * | 2017-07-26 | 2017-10-24 | 合肥巨动力系统有限公司 | A kind of water cooling motor housing with water channel sealing structure |
| CN109347242A (en) * | 2018-11-29 | 2019-02-15 | 江苏远东电机制造有限公司 | With profile-followed water-cooling structure low-noise efficient motor field frame and its manufacturing method |
| CN117415726A (en) * | 2023-09-26 | 2024-01-19 | 上海星合机电有限公司 | High-speed motorized spindle with internal circulation water cooling structure |
| CN117464866A (en) * | 2023-12-26 | 2024-01-30 | 河北银昌再生橡胶有限公司 | Roller structure applied to rolling mill |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1885683A (en) * | 2005-06-21 | 2006-12-27 | 比亚迪股份有限公司 | Cooling system structure of motor |
| CN202153686U (en) * | 2011-06-30 | 2012-02-29 | 南车戚墅堰机车车辆工艺研究所有限公司 | Water cooling motor housing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2860036B2 (en) * | 1993-03-10 | 1999-02-24 | 株式会社日立製作所 | Jacket-cooled rotary electric machine |
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2011
- 2011-06-30 CN CN201110181911.5A patent/CN102857016B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1885683A (en) * | 2005-06-21 | 2006-12-27 | 比亚迪股份有限公司 | Cooling system structure of motor |
| CN202153686U (en) * | 2011-06-30 | 2012-02-29 | 南车戚墅堰机车车辆工艺研究所有限公司 | Water cooling motor housing |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平6-269143A 1994.09.22 * |
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| CN102857016A (en) | 2013-01-02 |
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Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 81, No. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 81, No. Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
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Address after: 213011 Wuyi Road, Jiangsu, Changzhou, No. 258 Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 81, No. Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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Address after: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Country or region after: China Address before: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. Country or region before: China |