CN207283293U - A kind of electric machine stand - Google Patents

A kind of electric machine stand Download PDF

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Publication number
CN207283293U
CN207283293U CN201721140376.8U CN201721140376U CN207283293U CN 207283293 U CN207283293 U CN 207283293U CN 201721140376 U CN201721140376 U CN 201721140376U CN 207283293 U CN207283293 U CN 207283293U
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CN
China
Prior art keywords
former
engine base
electric machine
gusset
machine stand
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Active
Application number
CN201721140376.8U
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Chinese (zh)
Inventor
徐勇
聂朝双
晏明
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Dongfang Electric (Deyang) Motor Technology Co.,Ltd.
Dongfang Electric Machinery Co Ltd DEC
Original Assignee
Dongfang Electric Machinery Co Ltd DEC
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Priority to CN201721140376.8U priority Critical patent/CN207283293U/en
Application granted granted Critical
Publication of CN207283293U publication Critical patent/CN207283293U/en
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Abstract

The utility model discloses a kind of electric machine stand, particularly a kind of large-scale dc motor engine base, belong to electric machine technical field;The device is assemblied in the engine base punching between former including at least 2 pieces of formers and polylith, which fastens molding assembly between former, and by tensioning mechanism by former and engine base punching;It is complicated that the utility model solves current large-scale dc motor engine base assembly relation, the problem of rigid is insufficient, the method optimizing assembly method laminated using engine base punching, simplify assembly manipulation process, make stand structure simple by former and reinforcing rib plate body, rigid meets the requirements, at the same time, using the design of assembling positioning, the assembly precision of electric machine stand has been effectively ensured.

Description

A kind of electric machine stand
Technical field
A kind of electric machine stand is the utility model is related to, particularly a kind of large-scale dc motor engine base, belong to electric machine skill Art field.
Background technology
Large-sized DC motor, because of its smooth speed adjusting performance, excellent overload capacity and adapts to frequent rotating etc. Characteristic, is widely used in the fields such as metallurgical mine, steel mill's steel rolling.
For medium-sized dc motor, overall diameter is larger, and traditional mode is to weld former, gusset to form engine base cage Body, reprocesses inner circle, then lamination, the engine base cage body poor rigidity of this method manufacture, easily in welding, processing, hoisting process In deform so as to influence product subsequently assembling and product reliability.Therefore consider in a manner of punching to fold center plate into machine After seat iron core is so as to avoid the manufacturing process of engine base cage body weldment, former from being pressed into one with iron core dress, rigidity increase.Engine base knot Structure in direct current generator in addition to supporting stator, the part also as magnetic circuit, therefore center plate is folded can be led into engine base iron core The increase of engine base Eddy Current Loss In Core of An Electromagnetic is caused, but since DC generator alternative frequency is low and the more whole engine base core length of center plate is smaller, So while eddy-current loss increase caused by center plate folds iron core is negligible.
The content of the invention
The goal of the invention of the utility model is:For above-mentioned problem, there is provided a kind of assembling structure is simple, meets Stand stiffness requirement, easy to operation and assembling, suitable for the electric machine stand of large-scale dc motor.
The technical solution adopted in the utility model is as follows:
A kind of electric machine stand, including at least 2 pieces of formers and polylith are assemblied in the engine base punching between former, the engine base punching Former and engine base punching are fastened molding assembly by stack-press assembly between former, and by tensioning mechanism.Simplified using the structure The assembly method of large-size machine engine base, in addition, having evaded the welding manner in traditional handicraft.
A kind of electric machine stand of the utility model, the former include preceding former, center plate and rear former, between the former It is placed equidistant with.
A kind of electric machine stand of the utility model, further include more be arranged at before preceding gusset between former and center plate with And the more rear gussets being arranged between center plate and rear former, the assembling of former and punching is made more by preceding gusset and rear gusset Step up solid.The rigid requirements of electric machine stand are fully ensured that using the cooperation of reinforcing rib, it is ensured that engine base punching laminates fastening fastness.
Further, the preceding gusset and rear gusset are distributed for circumference array, and preceding gusset and rear gusset are by being welded and fixed It is connected between former, and preceding gusset is identical with position that rear gusset is distributed on corresponding former.Which is connected firmly, and carries For sufficient fastness and rigidity, it is ensured that the stress equalization of engine base punching.
A kind of electric machine stand of the utility model, the tensioning mechanism include multiple stretching screws and be opened in former and Through hole on engine base punching correspondence position, which runs through former and engine base punching, and is coordinated tightly by screw thread and nut Gu tense.Using this design method in order to preferably solve the assembly problem of engine base, the mode of assembling is easily understood, efficiency of assembling Higher.
A kind of electric machine stand of the utility model, the stretching screw are double threaded screw, and nut includes front nut and rear spiral shell Mother, the both ends that stretching screw is assemblied in by front nut and back nut fasten assembling to realize, and wherein the one of the stretching screw It is thick thread to hold as thin thread, the other end, to realize the effect assembled and adjust tightening force.The design method is easy to retract, and And the tension effect between adjustment engine base punching and former.
A kind of electric machine stand of the utility model, is additionally provided with tool locating hole used for positioning, engine base on the former Corresponding location hole, tool locating hole and location hole are provided with punching assembling positioning is realized by positioning linkage rod/screw rod.Due to Component it is larger, it is necessary to auxiliary tool realize precise positioning assemble, using which assemble good position after, remove connecting rod or spiral shell Bar, reassembles stretching screw so as to assemble in order.
Further, the location hole is located at engine base punching outside or inner side, and it is corresponding that tool locating hole is opened in former Position.
Further, the engine base punching, which is integrated, is made or splitted structure.
A kind of direct current generator, including above-mentioned electric machine stand.
A kind of assembling principle of electric machine stand of the utility model is as follows:Former and engine base punching are shaped, and Former is with processing corresponding pilot hole and tool locating hole in engine base punching.After machining, fixed using positioning linkage rod/screw rod On the tool locating hole of end former, with positioning linkage rod/screw rod carry out positioning by the location hole in engine base punching and laminate to put Put assembling, after the accurate positioning of position, penetrate fastening screw, realize that fastening tenses using nut, after the completion of, welded between former Reinforcing rib plate body further improves the rigid of electric machine stand.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:The utility model solves The problem of current large-scale dc motor engine base assembly relation is complicated, and rigid is insufficient, by the way of engine base punching laminates Optimize assembly method, simplify assembly manipulation process, make stand structure simple by former and reinforcing rib plate body, rigid meets It is required that meanwhile, using the design of assembling positioning, the assembly precision of electric machine stand has been effectively ensured.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model normal section;
Fig. 2 is the structure diagram of the utility model side section;
Fig. 3 is the structure diagram of the utility model former;
Fig. 4 is the structure diagram of the utility model engine base punching;
Fig. 5 is another embodiment in tool locating hole on the utility model former;
Fig. 6 is another embodiment of the utility model engine base punching upper Positioning holes;
Fig. 7 is the structure diagram of the utility model the utility model engine base punching splitted structure.
Marked in figure:Gusset, 6- stretching screws, 7- after gusset, 4- center plates, 5- before former, the punching of 2- engine bases, 3- before 1- Former, 8- back nuts, 9- front nuts, 10- tool locatings hole, 11- location holes afterwards.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining The utility model, is not used to limit the utility model.
Embodiment 1
A kind of electric machine stand, as depicted in figs. 1 and 2, including at least 2 pieces of formers and polylith are assemblied in the engine base between former Former and engine base punching fastening are assembled into by punching 2,2 stack-press assembly of engine base punching between former, and by tensioning mechanism Type.
In the present embodiment, the mode laminated using former and engine base punching realizes the assembling of electric machine stand, in large-sized DC In electric machine stand assembling, the structure of all parts is big, and assembly difficulty is high, uses split blade type laminated structure to exist to solve direct current generator Difficulty in assembling process, assembling effect is can effectively ensure that using the structure design mode.
In design principle based on above-mentioned embodiment, in order to ensure the integrally-built stability of engine base, another In embodiment, former includes preceding former 1, center plate 4 and rear former 7, is placed equidistant between the former.Using three pieces of width Plate is so that engine base punching stressed effect is more preferable.
In design principle based on above-mentioned embodiment, in order to preferably ensure the stability of engine base, engine base is improved Rigid, in a wherein embodiment, the device further include more be arranged at before between former and center plate Preceding gusset 3 and the more rear gussets 5 being arranged between center plate and rear former, by preceding gusset 3 and rear gusset 5 make former with The assembling of punching more fastens.Which can ensure the pulling force of engine base, alleviate the stressing conditions of tensioning mechanism, avoid large-scale straight Galvanic electricity machine occurs tightening force deficiency in practical process and influences the use of engine base.
In design principle based on above-mentioned embodiment, in order to ensure the effect of reinforcing rib plate body, in another tool In body embodiment, preceding gusset 3 and rear gusset 5 are distributed for circumference array, and preceding gusset 3 and rear gusset 5 are fixedly connected by welding Between former, and preceding gusset 3 is identical with position that rear gusset 5 is distributed on corresponding former.Which ensures stiffener plate Body is distributed former tension uniform.Specifically, the preceding gusset is formed with rear gusset using the plate body of similar rod material shape.And utilize Welding manner is to realize more firm connection.
Specific to the design of tensioning mechanism, in the design principle based on above-mentioned embodiment, in another specific implementation In mode, tensioning mechanism includes multiple stretching screws 6 and the through hole being opened on former and engine base punching correspondence position, the drawing Tight screw rod 6 runs through former and engine base punching, and coordinates fastening to tense by screw thread and nut.Which can effectively adjust engine base Fastening effect.
Specific to the design of above-mentioned stretching screw 6, in practical applications, one of embodiments thereof, 6 one end of stretching screw It is fixed with for spacing nut, is provided with external screw thread on the other end, nut is set on the external screw thread, it is tight to realize by nut Gu.And based on the basis of the design, in order to improve assembling effect, and assembling structure assembling/convenient disassembly of engine base is improved, In another embodiment, stretching screw 6 is double threaded screw, and nut includes front nut 9 and back nut 8, passes through front nut The both ends that stretching screw is assemblied in back nut fasten assembling to realize, wherein one end of the stretching screw 6 is thin thread, separately One end is thick thread, to realize the effect assembled and adjust tightening force.More specifically, which is circumference array point Cloth.
In design principle based on above-mentioned embodiment, specific to the design of tensioning mechanism, as shown in Figures 2 to 4, The assembling through hole for assembling is offered on former and the corresponding position of engine base punching, stretching screw 6 runs through assembling through hole simultaneously Fastened by nut.
In the assembling process of large-scale dc motor engine base, the consideration in support component structure, in order to improve assembling essence Degree, ensures that application effect more preferably, is additionally provided with used for positioning engine base in another embodiment, on former after mounting Tool locating hole 10, corresponding location hole 11, tool locating hole 10 and location hole 11 are provided with engine base punching 2 and passes through the company of positioning Bar/screw rod realizes assembling positioning.
For effect based on positioning, the location of tool locating hole 10 and location hole 11 simultaneously have no special requirements, and In the present embodiment, in order to improve positioning accuracy, positioning difficulty is reduced, in a wherein embodiment, such as Fig. 3 to Fig. 6 institutes Show, location hole 11 is located on the outside of engine base punching or inner side, tool locating hole 10 are opened in the corresponding position of former.That is, exist In actual design, location hole 11 is semicircular arc, and positioned at the engine base punching plate where engine base punching inner circle or cylindrical circumference On body.The quantity in the location hole 11 and tool locating hole 10 is 2-16.And in the present embodiment, using 4.In addition, this is fixed Position hole 11 and tool locating sky 10 are distributed for circumference array.
In design principle based on above-mentioned embodiment, in a wherein embodiment, engine base punching 2 is one System into.
In design principle based on above-mentioned embodiment, a kind of direct current generator, including electric machine stand described above.
Embodiment 2
A kind of electric machine stand, as different from Example 1, as shown in fig. 7, engine base punching 2 is splitted structure.
In design principle based on above-mentioned embodiment, in a wherein embodiment, which is 2-8 blocks.During using splitted structure, the mode of generally use inner circle positioning is made using splitted structure, and in this approach.
During using splitted structure, there is certain requirement usually in the design for dividing valve seam in order to ensure to laminate effect, The seam of adjacent engine base punching is generally avoided to overlap, it is therefore desirable to rotate a certain angle, and with during rotating, positioning There to be variation.And here, according to the design for dividing valve quantity, rotation angle is generally using the half for dividing valve radian.Specifically, herein Exemplified by dividing valve to be 4 pieces:Specifically, tool locating hole 10 is 8, and it is distributed on same circumference, is set respectively on splitted structure It is equipped with a location hole 11, the seam shape angle at 45 ° in adjacent engine base punching, that is, rotate 45 ° of assemblings.Preferably In, two adjacent tool locating holes of tool locating hole 10 are interleaved to the positioning for engine base punching.
In conjunction with the embodiments 1 and embodiment 2, a kind of assembling principle of electric machine stand of the utility model it is as follows:By former and Engine base punching shapes, and in former with processing corresponding pilot hole and tool locating hole in engine base punching.After machining, It is fixed on the tool locating hole of end former using positioning linkage rod/screw rod, is connected by the location hole in engine base punching and positioning Bar/screw rod carries out positioning and laminates placement assembling, after the accurate positioning of position, penetrates fastening screw, realizes that fastening tenses using nut, After the completion of, the rigid that reinforcing rib plate body further improves electric machine stand is welded between former.
In conclusion the utility model solves, current large-scale dc motor engine base assembly relation is complicated, and rigid is not The problem of sufficient, the method optimizing assembly method laminated using engine base punching, is simplified assembly manipulation process, passes through former and reinforcing rib Plate body makes stand structure simple, and rigid meets the requirements, meanwhile, using the design of assembling positioning, motor machine has been effectively ensured The assembly precision of seat.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (8)

  1. A kind of 1. electric machine stand, it is characterised in that:The engine base punching between former is assemblied in including at least 2 pieces of formers and polylith (2), the engine base punching(2)Former and engine base punching fastening are assembled into by stack-press assembly between former, and by tensioning mechanism Type, the tensioning mechanism include multiple stretching screws(6)And the through hole on former and engine base punching correspondence position is opened in, should Stretching screw(6)Coordinate fastening to tense through former and engine base punching, and by screw thread and nut, be additionally provided with the former Tool locating hole used for positioning(10), engine base punching(2)On be provided with corresponding location hole(11), tool locating hole(10)With Location hole(11)Assembling positioning is realized by positioning linkage rod/screw rod.
  2. A kind of 2. electric machine stand as claimed in claim 1, it is characterised in that:The former includes preceding former(1), center plate (4)With rear former(7), it is placed equidistant between the former.
  3. A kind of 3. electric machine stand as claimed in claim 2, it is characterised in that:Further include more and be arranged at preceding former and center plate Between preceding gusset(3)And the more rear gussets being arranged between center plate and rear former(5), pass through preceding gusset(3)With it is rear Gusset(5)The assembling of former and punching is set more to fasten.
  4. A kind of 4. electric machine stand as claimed in claim 3, it is characterised in that:The preceding gusset(3)With rear gusset(5)For circumference Array distribution, the preceding gusset(3)With rear gusset(5)It is fixedly connected by welding between former, and preceding gusset(3)With it is rear Gusset(5)The position being distributed on corresponding former is identical.
  5. A kind of 5. electric machine stand as claimed in claim 1, it is characterised in that:The stretching screw(6)For double threaded screw, nut Including front nut(9)And back nut(8), the both ends that stretching screw is assemblied in by front nut and back nut fasten dress to realize Match somebody with somebody, the stretching screw(6)Wherein one end be thin thread, the other end is thick thread, with realize assemble and adjust tightening force work With.
  6. A kind of 6. electric machine stand as claimed in claim 1, it is characterised in that:The location hole(11)On the outside of engine base punching Or inner side, tool locating hole(10)It is opened in the corresponding position of former.
  7. A kind of 7. electric machine stand as claimed in claim 1, it is characterised in that:The engine base punching(2)It is integrated and is made or divides Valve structure.
  8. A kind of 8. direct current generator, it is characterised in that:Including a kind of such as electric machine stand of claim 1-7 any one of them.
CN201721140376.8U 2017-09-07 2017-09-07 A kind of electric machine stand Active CN207283293U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721140376.8U CN207283293U (en) 2017-09-07 2017-09-07 A kind of electric machine stand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721140376.8U CN207283293U (en) 2017-09-07 2017-09-07 A kind of electric machine stand

Publications (1)

Publication Number Publication Date
CN207283293U true CN207283293U (en) 2018-04-27

Family

ID=61990216

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721140376.8U Active CN207283293U (en) 2017-09-07 2017-09-07 A kind of electric machine stand

Country Status (1)

Country Link
CN (1) CN207283293U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210819

Address after: 618000 No. 19-12, building 21, phase I, Yinxin Wuzhou Plaza, No. 733, Section 2, Taishan South Road, Deyang City, Sichuan Province

Patentee after: Dongfang Electric (Deyang) Motor Technology Co.,Ltd.

Patentee after: DEC DONGFANG ELECTRIC MACHINERY Co.,Ltd.

Address before: 188 Huanghe West Road, Jingyang District, Deyang City, Sichuan Province

Patentee before: DEC DONGFANG ELECTRIC MACHINERY Co.,Ltd.