CN110086284A - A kind of stacked electric machine stand - Google Patents
A kind of stacked electric machine stand Download PDFInfo
- Publication number
- CN110086284A CN110086284A CN201910347756.6A CN201910347756A CN110086284A CN 110086284 A CN110086284 A CN 110086284A CN 201910347756 A CN201910347756 A CN 201910347756A CN 110086284 A CN110086284 A CN 110086284A
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- Prior art keywords
- pressing ring
- electric machine
- machine stand
- iron core
- hole
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Links
- 238000003825 pressing Methods 0.000 claims abstract description 60
- 238000004080 punching Methods 0.000 claims abstract description 46
- 238000003466 welding Methods 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 55
- 125000004122 cyclic group Chemical group 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
Abstract
The invention discloses a kind of stacked electric machine stands, including pressing ring, base punching, pull rod, one end of the pressing ring is equipped with multiple mounting holes, each mounting hole connection one extends to the welding hole of the pressing ring side, multiple pull rods longitudinally through the base punching stacked gradually tie rod hole and protrude into the mounting hole of the pressing ring at base punching both ends, under the pressuring action of external press device, pull rod and pressing ring are welded and fixed in mounting hole.For the present invention using mode is welded and fixed, avoid threaded connection loosens hidden danger, is applicable to bad working environments；Meanwhile pressing ring lateral opening hole and pull rod weld, and it is complicated to avoid end cap cast structure due to avoiding bolt.
Description
Technical field
The present invention relates to electric machine stand more particularly to the base of direct current generator, specially a kind of stacked electric machine stand.
Background technique
Laminated plates base is chiefly used in load current and changes the fast, direct current generator of speed adjustable range greatly.Existing stacked base uses
Structure be mostly following two:
(1) Patent No. CN201721140376.8, disclosed in the patent of invention of entitled " electric machine stand ": two sides are
Pressing ring, centre is punching, pressing ring and punching internal openings, after pull rod passes through through-hole, under the pressing of tooling, and both ends nut lock
Tightly.The structure has the following disadvantages: in first, motor operation course in addition to the vibration of itself, can also be loaded and installation foundation
Vibration influence, helicitic texture is there are loose possibility in vibration processes, and it is not tight that the relaxation of screw thread pair will lead to lamination, into one
Step aggravation electromagnetic noise, or even endanger motor and personal safety；The second, it is influenced by counter-force is laminated, the pretightning force of nut is difficult to
Control.Screw rod and fastener on the outside of third, pressing ring impact the installation space of end cap, and usual end cap is casting, are bound to
It needs fluting to avoid herein, increases casting difficulty, improve product cost.And to avoid fastener, the contact surface of end cap and base
Product certainly will significantly reduce, and be unfavorable for the design of flame proof casing.
(2) Patent No. CN200420117152.1, disclosed in the patent of invention of entitled " full-laminated motor base ":
Two sides are pressing ring, and centre is punching, and pressing ring and punching edge are slotted.Pulling plate is in slot, under the pressing of tooling, pulling plate and pressure
Lap welding connects connected.The structure has the following disadvantages: that first, pulling plate side is unrestricted, and there are curved risks, and welding front curve will
Cause folded do not press tightly.It the second, is limitation pulling plate, compression tooling is complicated, at high cost.Main attached pole iron core and machine in third, the patent
Seat separation, installation accuracy manually adjust, and equal indicative is not easy to guarantee.
In conclusion designing a kind of safely and effectively lamination compressing structure, avoid laminated plates base loose under severe operating condition
It dissipates, meanwhile, influence, reduction casting cost, raising flame proof safety of the compacting part to end cap and end cap faying face are avoided, and
Assembly precision is further increased, the dependence to tooling is reduced, main attached pole iron core equal indicative is improved, is the skill for needing to solve at present
Art problem.
Summary of the invention
It is easy technical problem loose, that flame proof safety is lower in order to solve laminated motor frame in the prior art, this
Invention provides a kind of stacked electric machine stand to solve the above problems.
The technical solution adopted by the present invention to solve the technical problems is: a kind of stacked electric machine stand, including pressing ring, machine
Seat punching, pull rod, one end of the pressing ring are equipped with multiple mounting holes, and each mounting hole connection one extends to the pressing ring side
The welding hole in face, multiple pull rods are located at described longitudinally through the tie rod hole and protruding into of the base punching stacked gradually
In the mounting hole of the pressing ring at base punching both ends, under the pressuring action of external press device, pull rod and pressing ring are in mounting hole
It is welded and fixed.
Since welding hole is located at the side of pressing ring, the contact surface of pressing ring and end cap is avoided, therefore pressing ring and end cap connect
Fixation member is not present between contacting surface, does not need preset clearance, flame proof safety is effectively ensured, secondly by interconnected peace
Hole and welding hole are filled, pull rod can be enable to pass through from the inside of base punching and there is biggish welding space, is effectively kept away
Exempt from pull rod lateral bending, while improving the convenience and fastness of welding.
Further, the base punching including cyclic annular fixed frame and is integrally connected to the cyclic annular fixed frame inner surface
Main pole core and attached pole iron core, the tie rod hole is located on the end face of the cyclic annular fixed frame, the main pole core and attached pole
Iron core is the center of circle successively alternately even circumferential arrangement using the center of the cyclic annular fixed frame, and the base punching heap poststack is by line
Snare is set or is wound on every group of main pole core and attached pole iron core.Main pole core and attached pole iron core and base punching are formed one
The equal indicative of main attached pole iron core can be effectively ensured in body formula structure.
Preferably, the cyclic annular fixed frame is circular ring shape or polygonal annular.
Further, the two sides of the main pole core have pole shoe, the inner surface of the pole shoe and the cyclic annular fixed frame
Form the annular groove for being suitable for placing coil.Pole shoe can be avoided coil and radial displacement occur.
Further, the attached pole iron core is square structure, is fixed on the attached pole iron core and hinders the coil along diameter
To the block moved inward.
Preferably, the block is U-shaped block, and two U-shaped blocks are by the two of the multiple attached pole iron cores being stacked with
It is welded and fixed after the insertion of end with the attached pole iron core.
Preferably, the welding hole is located at the middle part of the pressing ring, and is arranged perpendicular to the axis direction of the pull rod, to the greatest extent
Amount reduces the circulation distance of solder.
Preferably, the mounting hole is easily installed pull rod perpendicular to the contact surface of the pressing ring and base punching.
Further, the side wall of the pull rod in the mounting hole is equipped with one or more annular groove, increases
It is welded with and connects contact area, improve soldering reliability, preferably U-shaped annular groove.
Further, there is through hole on the main pole core and attached pole iron core, connecting rod is each passed through the master stacked gradually
Pole iron core and attached pole iron core, the connecting rod two end are welded and fixed by pressing plate, the base punching of stacking by the pull rod of periphery and
The connecting rod realization inside enclosed is bonded.
The beneficial effects of the present invention are:
(1) for the present invention using mode is welded and fixed, avoid threaded connection loosens hidden danger, is applicable to bad working environments；
Meanwhile pressing ring lateral opening hole and pull rod weld, and it is complicated to avoid end cap cast structure due to avoiding bolt.
(2) structure of the invention is compact, and the positioning of Duola's bar, assembly precision is high, and space utilization rate is high, improves explosion-insulation surface
Width, promoted motor safety.
(3) the prominent pressing ring surface of fastener-free of the present invention, and the mounting hole of pressing ring can play Primary Location effect to pull rod
Fruit, without designing special tooling, press-loading process process is easy, and manufacturing cost is low, it is easy to accomplish batch production；
(4) base punching and main pole core and attached extremely iron core integrated in the present invention, reduce artificial installation and lead attached pole iron
The error when heart improves the equal indicative of main attached pole, reduces magnetic hysteresis, reduces eddy-current loss, improve the commutation ability of motor.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is stacked electric machine stand of the present invention and end cap joint surface schematic diagram；
Fig. 2 is stacked electric machine stand and end cap joint surface schematic diagram in the prior art；
Fig. 3 is the half section schematic diagram of the specific embodiment of stacked electric machine stand of the present invention；
Fig. 4 is the structural schematic diagram of the base punching of the specific embodiment of stacked electric machine stand of the present invention
(coil has been installed)；
Fig. 5 is the structural schematic diagram of the base punching of the specific embodiment of stacked electric machine stand of the present invention
(coil is not installed)；
Fig. 6 is block scheme of installation (the arrow institute of the specific embodiment of stacked electric machine stand of the present invention
Finger direction is block direction of insertion)；
Fig. 7 is that the block of the specific embodiment of stacked electric machine stand of the present invention is installed schematic diagram；
Fig. 8 is the fixed schematic diagram of main pole core of the specific embodiment of stacked electric machine stand of the present invention；
Fig. 9 is the fixed schematic diagram of main pole core of the specific embodiment of stacked electric machine stand of the present invention.
In figure, 1, pressing ring, 1-1, mounting hole, 1-2, welding hole, 2, base punching, 3, pull rod, 3-1, annular groove, 4, end
Lid, 5, main pole core, 5-1, pole shoe, 5-2, annular groove, 6, attached pole iron core, 7, coil, 8, cyclic annular fixed frame, 8-1, pull rod
Hole, 9, through hole, 10, block, 11, pressing plate, 12, fastener, 13, connecting rod.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " width ", "upper", "lower",
The orientation or positional relationship of the instructions such as "inner", "outside", " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings,
Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connection " should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, in the description of the present invention,
Unless otherwise indicated, the meaning of " plurality " is two or more.
In addition, " inside " refers to that, close to the direction of motor center axis, " outside " refers to far from motor center axis in the present invention
Direction.
As shown in Fig. 3-Fig. 9, a kind of stacked electric machine stand, including pressing ring 1, base punching 2, pull rod 3, the one of pressing ring 1
End is equipped with multiple mounting hole 1-1, and for installing positioning tie bar 3, each mounting hole 1-1 connection one extends to the weldering of 1 side of pressing ring
Hole 1-2 is met, communication port of the welding hole 1-2 as solder, wherein mounting hole 1-1 and welding hole 1-2 is blind hole, multiple pull rods 3
Tie rod hole 8-1 longitudinally through the base punching 2 stacked gradually and the mounting hole for protruding into the pressing ring 1 positioned at 2 both ends of base punching
In 1-1, under the pressuring action of external press device, pull rod 3 is welded and fixed in mounting hole 1-1 with pressing ring 1.
Multiple base punchings 2 are stacked gradually first when installation, the tie rod hole 8-1 in each base punching 2 is corresponded to each other,
Then pull rod 3 is passed through into tie rod hole 8-1, both ends are closed using pressing ring 1, and the mounting hole 1-1 and tie rod hole 8-1 on pressing ring 1 are one by one
Corresponding, the both ends of each pull rod 3 are protruded into corresponding mounting hole 1-1, realize Primary Location, without using volume when compression
Outer positioning device injects solder into welding hole 1-2, by pull rod 3 and pressing ring after compressing only with press devices such as press machines
1 is fixed.
Base punching 2 is motor outer ring, and 2 inner ring of base punching installs main pole core 5 and attached pole iron core 6, and in main pole iron
Motor stator is formed after being arranged coil 7 on the heart 5 and attached pole iron core 6, both ends pressing ring 1 forms the flame proof of motor after connecting with end cap 4
Shell, flameproof enclosure is able to bear to be existed by the explosive mixture that any joint surface of shell or structure interval enter interior of shell
Internal explosion will not cause a kind of external explosive gas atmosphere formed by, multiple gases or steam without damaging
Light.The explosion insulation performance of motor is closely related with flameproof joint width b, and flameproof joint width b is out of flameproof enclosure
Portion is by the shortest path outside joint surface to flameproof enclosure, and flameproof joint width b is bigger, and explosion insulation performance is better.
As depicted in figs. 1 and 2 be respectively the present invention and in the prior art end face with fixation member flameproof enclosure every
Quick-fried joint surface width b schematic diagram, from figure 1 it appears that between due to being not present between 1 end face of pressing ring of the invention and end cap 4
Gap, therefore flameproof joint width b is the width of entire pressing ring 1, and Fig. 2 in the prior art in order to avoid fastener 12, press
It encloses there are gap between 1 end face and end cap 4, explosion-proof joint surface width b is substantially reduced, so as to cause explosion-proof security decline.From
As can be seen that flameproof joint width b is also related with pressing ring one-sided thickness in Fig. 1, the welding hole 1-2 in the present invention is located at pressing ring
1 side is not contacted with end cap 4, therefore the size of welding hole 1-2 does not influence pressing ring one-sided thickness, and after the weldering completely of aperture not
It needs to carry out plane treatment.
Embodiment 1, as shown in Figure 3-Figure 5, a kind of stacked electric machine stand, including pressing ring 1, base punching 2, pull rod 3, pressure
One end of circle 1 is equipped with mounting hole 1-1, and each mounting hole 1-1 connection one extends to the welding hole 1-2 of 1 side of pressing ring, base punching
2 include cyclic annular fixed frame 8 and the main pole core 5 and attached pole iron core 6 for being integrally connected to cyclic annular 8 inner surface of fixed frame, and ring-type is solid
Circular ring shape can be selected by determining frame 8, can also select polygonal annular, the end surface shape and end cap of generally ring-like fixed frame 8 and pressing ring 1
4 is identical, is all made of polygonal annular structure, an iron core is connected in each edge, the series of iron core, main pole can be told by number of edges
Successively alternately even circumferential is arranged using the center of cyclic annular fixed frame 8 as the center of circle for iron core 5 and attached pole iron core 6, and base punching 2 stacks
Coil 7 is arranged or is wound on every group of main pole core 5 and attached pole iron core 6 afterwards.The number of poles of main pole core 5 usually has 2 poles, 4
Pole, 6 poles and 8 poles, attached pole iron core 6 is identical as 5 quantity of main pole core, is alternately arranged.By taking 4 pole main pole cores 5 as an example, such as Fig. 4 and
Shown in Fig. 5, iron core quantity shares eight, and cyclic annular fixed frame 8 is eight sides annular, and an iron core is respectively connected in each edge, and ring-type is fixed
The end face of frame 8 is equipped with 12 tie rod hole 8-1, and to guarantee uniform force, 12 tie rod hole 8-1 are arranged symmetrically, and 12 pull rods 3 are vertical
To passing through the tie rod hole 8-1 of base punching 2 stacked gradually and the mounting hole 1- for protruding into the pressing ring 1 positioned at 2 both ends of base punching
In 1, under the pressuring action of external press device, pull rod 3 is welded and fixed in mounting hole 1-1 with pressing ring 1.
Main pole core 5 and attached pole iron core 6 and base punching 2 are formed integral structure by the present embodiment, do not need manually to adjust
The equal indicative of main attached pole iron core 6 can be effectively ensured in the angle of whole main pole core 5 and attached pole iron core 6.It reduces magnetic hysteresis, reduce whirlpool
Stream loss improves motor performance.And the punching integrated with the attached pole iron core 6 of master of base punching 2, saves two width punch dies when making,
Make full use of plate, inside can remain for armature stamping, will not waste.
Embodiment 2 due to the attached pole iron core 6 of master and 2 integral production of base punching, only relies on pull rod in embodiment 1
3 fittings for being also able to achieve the adjacent attached pole iron core 6 of master are fixed, but since motor speed is higher, in order to avoid structure concussion, are such as schemed
Shown in 5 and Fig. 8, the present embodiment is respectively provided with through hole 9 on main pole core 5 and attached pole iron core 6, coil 7, and connecting rod 13 is each passed through
The through hole 9 of the main pole core 5 and attached pole iron core 6 that stack gradually, 13 both ends of connecting rod are welded and fixed by pressing plate 11, the machine of stacking
Seat punching 2 realizes that base punching 2 is bonded by the pull rod 3 and the interior connecting rod 13 enclosed of periphery.
Embodiment 3, on the basis of embodiment 1 or 2, as shown in figure 5, the two sides of main pole core 5 have pole shoe 5-1,
The inner surface of pole shoe 5-1 and cyclic annular fixed frame 8 forms the annular groove 5-2 for being suitable for placing coil 7.Pole shoe 5-1 can be avoided line
Radial displacement occurs for circle 7.Since pole shoe 5-1 and 5 integral production of main pole core are formed, coil 7 can not be set in main pole iron
On the heart 5, need to be wound on main pole core 5, as shown in figure 9, when enclosing fixed by connecting rod 13 in base punching 2, pressing plate 11
It can be close to the end face of main pole core 5 and attached pole iron core 6,7 sets of coil outside pressing plate 11, run through on coil 7 without opening at this time
Hole 9.
Embodiment 4, on the basis of embodiment 1 or 2 or embodiment 3, as shown in figure 4, attached pole iron core 6 is rectangular knot
Structure is fixed on attached pole iron core 6 and hinders the mobile block 10 in side radially inward of coil 7, specifically, as shown in Figure 6 and Figure 7,
Block 10 is U-shaped block 10, and two U-shaped blocks 10 are inserted by the both ends for the multiple attached pole iron cores 6 being stacked with, two U-shaped gears
The corresponding end surface of block 10 is fixed with attached 6 spot welding of pole iron core simultaneously.
Preferably, welding hole 1-2 is located at the middle part of pressing ring 1, and it is arranged perpendicular to the axis direction of pull rod 3, as far as possible
Reduce the circulation distance of solder.In addition, the diameter of welding hole 1-2 should be slightly bigger than the diameter of pull rod 3 in order to increase bonding area,
It can guarantee that solder flows to rapidly the side wall of pull rod 3 in this way, and the lower part of side wall can also flow into solder.
Preferably, contact surface of the mounting hole 1-1 perpendicular to pressing ring 1 and base punching 2, can play very pull rod 3
Good positioning action.
Embodiment 5, on the basis of embodiment 1 or 2 or embodiment 3 or embodiment 4, as shown in figure 3, being located at peace
The side wall for filling the pull rod 3 in the 1-1 of hole is equipped with one or more annular groove 3-1, and annular groove 3-1 can increase welding contact surface
Product improves soldering reliability, and annular groove 3-1 preferably uses U-shaped annular groove, i.e. the cross section of notch is U-shaped, U-shaped compared with rectangular channel
Annular groove is less prone to breaking or chokes thread when processing the phenomenon that, machining yield is higher.
In the present specification, identical embodiment is not necessarily referring to the schematic representation of the term.Moreover, description
Particular features, structures, materials, or characteristics can be combined in any suitable manner in any one or more embodiments.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of stacked electric machine stand, it is characterised in that: including pressing ring (1), base punching (2), pull rod (3), the pressing ring
(1) one end is equipped with multiple mounting holes (1-1), and each mounting hole (1-1) connection one extends to the pressing ring (1) side
Welding hole (1-2), tie rod hole (8-1), simultaneously of multiple pull rods (3) longitudinally through the base punching (2) stacked gradually
It protrudes into the mounting hole (1-1) of the pressing ring (1) at base punching (2) both ends, in the pressuring action of external press device
Under, pull rod (3) is welded and fixed in mounting hole (1-1) with pressing ring (1).
2. stacked electric machine stand according to claim 1, it is characterised in that: the base punching (2) includes cyclic annular solid
Determine frame (8) and is integrally connected to the main pole core (5) and attached pole iron core (6) of described cyclic annular fixed frame (8) inner surface, the drawing
Rod aperture (8-1) is located on the end face of the cyclic annular fixed frame (8), and the main pole core (5) and attached pole iron core (6) are with the ring-type
The center of fixed frame (8) is that successively alternately even circumferential is arranged in the center of circle, and base punching (2) the heap poststack covers coil (7)
If being wound on every group of main pole core (5) and attached pole iron core (6).
3. stacked electric machine stand according to claim 2, it is characterised in that: the ring-type fixed frame (8) is circular ring shape
Or polygonal annular.
4. stacked electric machine stand according to claim 3, it is characterised in that: the two sides of the main pole core (5) have
The inner surface of the pole shoe (5-1) of protrusion, the pole shoe (5-1) and the cyclic annular fixed frame (8), which is formed, is suitable for placing coil (7)
Annular groove (5-2).
5. stacked electric machine stand according to claim 3, it is characterised in that: the attached pole iron core (6) is square structure,
It is fixed on the attached pole iron core (6) and hinders the coil (7) the mobile block (10) in side radially inward.
6. stacked electric machine stand according to claim 5, it is characterised in that: the block (10) is U-shaped block (10),
Two U-shaped blocks (10) after the both ends insertion for the multiple attached pole iron cores (6) being stacked with the attached pole iron core (6) by welding
Connect fixation.
7. stacked electric machine stand according to claim 4, it is characterised in that: the welding hole (1-2) is located at the pressure
The middle part of (1) is enclosed, and is arranged perpendicular to the axis direction of the pull rod (3).
8. stacked electric machine stand according to claim 7, it is characterised in that: the mounting hole (1-1) is perpendicular to described
The contact surface of pressing ring (1) and base punching (2).
9. stacked electric machine stand according to claim 1, it is characterised in that: the institute being located in the mounting hole (1-1)
The side wall for stating pull rod (3) is equipped with one or more annular groove (3-1).
10. stacked electric machine stand according to claim 2, it is characterised in that: the main pole core (5) and attached pole iron core
(6) there are through hole (9) on, connecting rod (13) is each passed through the main pole core (5) and attached pole iron core (6) stacked gradually, the company
Bar (13) both ends are welded and fixed by pressing plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347756.6A CN110086284B (en) | 2019-04-28 | 2019-04-28 | Laminated motor base |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347756.6A CN110086284B (en) | 2019-04-28 | 2019-04-28 | Laminated motor base |
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| CN110086284A true CN110086284A (en) | 2019-08-02 |
| CN110086284B CN110086284B (en) | 2024-03-26 |
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| WO2016112615A1 (en) * | 2015-01-16 | 2016-07-21 | 王仪靖 | Efficient floating-aid lifting liquid pumping device having large capacity and high head |
| CN104702016A (en) * | 2015-03-25 | 2015-06-10 | 永济新时速电机电器有限责任公司 | Cast-weld combined light-weight full-laminated motor base |
| CN207819615U (en) * | 2018-01-10 | 2018-09-04 | 东方电气集团东方电机有限公司 | A kind of large-scale dc motor engine base |
| CN208174488U (en) * | 2018-05-24 | 2018-11-30 | 北京北重汽轮电机有限责任公司 | A kind of press-loading apparatus of armature of exciter iron core |
| CN209767269U (en) * | 2019-04-28 | 2019-12-10 | 新誉轨道交通科技有限公司 | Laminated motor base |
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| CN110086284B (en) | 2024-03-26 |
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