阅读说明：本技术 一种双边动初级式直线电机及其气隙稳定控制机构 (The bilateral dynamic primary formula linear motor of one kind and its air gap stability control mechanism ) 是由 李汛保 何云风 裴亚伟 刘雄建 李科成 于 2019-09-25 设计创作，主要内容包括：本发明公开一种气隙稳定控制机构,包括长次级定子、可往复移动地设置于所述长次级定子上的短初级动子,所述长次级定子的表面上沿延伸方向立设有次级板,且所述次级板的两侧表面上均设置有沿其延伸方向分布的横向定位滑轨,所述短初级动子包括用于盖设于所述次级板顶面的动子框架,所述动子框架的两侧内壁上设置有相对于所述次级板对称分布的铁芯绕组,且所述动子框架的两侧内壁上还设置有用于与所述横向定位滑轨配合滚动的横向导向轮。本发明能够实现直线电机动子与定子之间气隙稳定控制,防止运行过程中气隙产生波动。本发明还公开一种双边动初级式直线电机,其有益效果如上所述。(The present invention discloses a kind of air gap stability control mechanism, including long secondary stator, the short primary mover being set to being reciprocally moveable on the long secondary stator, secondary plate is vertically equipped with along extending direction on the surface of the long secondary stator, and the located lateral sliding rail for extending along directional spreding is provided in the both side surface of the secondary plate, the short primary mover includes the mover frame for being covered on the secondary plate top surface, the iron core winding symmetrical relative to the secondary plate is provided on the two sides inner wall of the mover frame, and the guide roller for rolling with located lateral sliding rail cooperation is additionally provided on the two sides inner wall of the mover frame.The present invention can be realized air gap stability contorting between linear motor rotor and stator, prevent air gap in operational process from generating fluctuation.Invention additionally discloses a kind of bilateral dynamic primary formula linear motor, its advantages are as described above.)

1. a kind of air gap stability control mechanism, which is characterized in that including long secondary stator (2), be set to institute with being reciprocally moveable The short primary mover (1) on long secondary stator (2) is stated, is vertically equipped on the surface of the long secondary stator (2) along extending direction secondary Step (3), and the located lateral sliding rail for extending along directional spreding is provided in the both side surface of the secondary plate (3) (301), the short primary mover (1) includes the mover frame (101) for being covered on the secondary plate (3) top surface, described dynamic The iron core winding (102) symmetrical relative to the secondary plate (3), and institute are provided on the two sides inner wall of subframe (101) State the cross being additionally provided on the inside two sidewalls of mover frame (101) for rolling with the located lateral sliding rail (301) cooperation To directive wheel (103).

2. air gap stability control mechanism according to claim 1, which is characterized in that the long secondary stator (2) is if include The stator extension (21) that dry section is successively spliced along its length.

3. air gap stability control mechanism according to claim 1, which is characterized in that the bottom of the mover frame (101) It is provided with mounting plate (104), the both lateral sides of the mover frame (101) are provided in the long secondary stator (2) Surface on the vertical directive wheel (105) that rolls.

4. air gap stability control mechanism according to claim 3, which is characterized in that the located lateral sliding rail (301) is same When be distributed in the top and bottom region of the secondary plate (3) both side surface；The top bottom surface of the mover frame (101) and institute It states and is provided on the bottom surface of mounting plate (104) connecting shaft (106), and each guide roller (103) horizontal cross is set It sets in the end of each connecting shaft (106).

5. air gap stability control mechanism according to claim 4, which is characterized in that the bottom of the long secondary stator (2) It is provided with stator base (201), the two sides of the stator base (201) are vertically equipped with stator side plate (202), and the stator base The both sides of the edge of seat (201), which are provided with, to be extended, along its length for what is rolled with vertical directive wheel (105) cooperation Vertical support sliding rail (203).

6. air gap stability control mechanism according to claim 5, which is characterized in that stator side plate (202) described in two sides Top area, which is horizontally arranged with, inwardly extends pre-determined distance, vertical bounce for limiting the vertical directive wheel (105) Vertical limit sliding rail (204).

7. air gap stability control mechanism according to claim 6, which is characterized in that the vertical support sliding rail (203) and The width of the vertical limit sliding rail (204) is all larger than the thickness of the vertical directive wheel (105).

8. air gap stability control mechanism according to claim 7, which is characterized in that on the bottom surface of the mounting plate (104) Be additionally provided with that several are electrically connected with the iron core winding (102) by stream boots (107), and the stator base (201) Be additionally provided on surface several along its length extend and for it is each it is described by stream boots (107) abut to conduct electric current By trajectory (205).

9. air gap stability control mechanism according to claim 8, which is characterized in that the surface of the stator base (201) On be additionally provided with several with it is each described by stream boots (107) corresponding insulation board (206), and each described set by trajectory (205) It is placed on the surface of corresponding insulation board (206).

10. a kind of bilateral dynamic primary formula linear motor, which is characterized in that including such as the described in any item air gaps of claim 1-9 Stability control mechanism.

Technical field

The present invention relates to motor technology field, in particular to a kind of air gap stability control mechanism.The invention further relates to one The bilateral dynamic primary formula linear motor of kind.

Background technique

With the development of mechanical & electrical technology, more and more electromechanical equipments have been used widely.

Motor is the core equipment of field of electromechanical technology, and the transmitting hinge as mechanical energy and electric energy uses.Motor Type it is very much, such as asynchronous machine, servo motor, stepper motor, linear motor etc..By taking linear motor as an example, linear motor Technology can directly convert electrical energy into the kinetic energy of linear motion, not need the transmission device of any intermediate conversion mechanism, have be It unites the advantages that small in size, low noise, starting thrust are big, dynamic response is fast.Techniques of linear motor can be applied to rail traffic, electromagnetism Ejection, high-rise building elevator, machine tooling linear motion equipment power device.Linear motor is used as the straight of linear drives again Connect power output part.

Based on the linear motor of bilateral dynamic primary formula, stator belongs to long range structure (normal length is at 10 meters or more), Stator component structure is usually processing component or build-up member, and when stator distance is longer, there are one for the processing linear degree of component Fixed error, while assembly also has certain unevenness, and air gap between mover and stator is caused to change.Air gap variation Bigger, the normal force unbalance loading between primary and secondary also increases, and normal force increases can make secondary aluminium sheet cantilever design occur again Deformation causes air gap fluctuation bigger, that is, there is vicious circle, and it is excessive to finally result in motor oscillating, reduces motor service life.Together When, in the bilateral dynamic primary formula linear motor design phase, to avoid colliding between mover, stator, electric motor primary and secondary are set Counting air gap, often redundancy is bigger than normal, causes linear motor efficiency relatively low.

Therefore, how to realize air gap stability contorting between linear motor rotor and stator, prevent air gap in operational process from producing Raw fluctuation, is the technical issues of those skilled in the art face.

Summary of the invention

The object of the present invention is to provide a kind of air gap stability control mechanisms, can be realized between linear motor rotor and stator Air gap stability contorting prevents air gap in operational process from generating fluctuation.It is a further object of the present invention to provide a kind of bilateral dynamic primary Formula linear motor.

In order to solve the above technical problems, the present invention provides a kind of air gap stability control mechanism, including long secondary stator, can be past The short primary mover being movably set on the long secondary stator is answered, is stood on the surface of the long secondary stator along extending direction The located lateral sliding rail for extending along directional spreding, institute are provided with equipped with secondary plate, and in the both side surface of the secondary plate Stating short primary mover includes the mover frame for being covered on the secondary plate top surface, is set on the two sides inner wall of the mover frame It is equipped with the iron core winding symmetrical relative to the secondary plate, and is additionally provided with use on the inside two sidewalls of the mover frame In the guide roller rolled with located lateral sliding rail cooperation.

Preferably, the long secondary stator includes the stator extension that several segments are successively spliced along its length.

Preferably, the bottom of the mover frame is provided with mounting plate, and the both lateral sides of the mounting plate are provided with use In the vertical directive wheel rolled on the surface in the long secondary stator.

Preferably, the located lateral sliding rail is distributed in the top and bottom region of the secondary plate both side surface simultaneously； Connecting shaft is provided on the top bottom surface of the mover frame and the bottom surface of the mounting plate, and each guide roller is equal Horizontal cross is arranged in each connection the tip of the axis.

Preferably, the bottom of the long secondary stator is provided with stator base, and the two sides of the stator base are vertically equipped with Stator side plate, and the both sides of the edge of the stator base are provided with and extend along its length, are used for and the vertical guiding The vertical support sliding rail that wheel cooperation rolls.

Preferably, the top area of stator side plate described in two sides is horizontally arranged with extends pre-determined distance, for limiting inwardly Make the vertical limit sliding rail of the vertical bounce of the vertical directive wheel.

Preferably, the width of the vertical support sliding rail and the vertical limit sliding rail is all larger than the vertical directive wheel Thickness.

Preferably, several are additionally provided on the bottom surface of the mounting plate to be flowed with what the iron core winding was electrically connected Boots, and be additionally provided on the surface of the stator base several along its length extend and for it is each it is described by stream boots support Connect with conduct electric current by trajectory.

Preferably, be additionally provided on the surface of the stator base several with it is each described by the corresponding insulation of stream boots Plate, and each described be set to by trajectory on the surface of corresponding insulation board.

The present invention also provides a kind of bilateral dynamic primary formula linear motors, including air gap as described in any one of the above embodiments to stablize control Mechanism processed.

Air gap stability control mechanism provided by the present invention mainly includes long secondary stator, short primary mover and secondary Plate.Wherein, secondary plate erects on the surface of long secondary stator, and extends along the length direction of long secondary stator.It is short first Grade mover is arranged on the surface of long secondary stator, and reciprocal along its length on the surface of long secondary stator can transport It is dynamic.The main structure of short primary mover is mover frame, which is located on the top surface of secondary plate, in mover frame Cored winding is set on the inner wall of two sides, which is distributed by axial symmetry of secondary plate, ideally, the iron core of two sides Winding and intermediate spacing (i.e. the air gap) of secondary plate are equal and constant.Importantly, being all provided in the both side surface of secondary plate It is equipped with located lateral sliding rail, which extends distribution along the length direction of secondary plate.Meanwhile in mover frame It is additionally provided with guide roller on the inner wall of two sides, the guide roller is for fixed from the transverse direction on two sides and secondary plate surface simultaneously Position sliding rail cooperation rolls, and is formed and embraces rail structure.In this way, when short primary mover is past along its length on the surface of long secondary stator When moving again, due to mutually abutting against between guide roller and located lateral sliding rail and relative rolling, so that secondary plate prolongs Stretch no matter which kind of curve deformation occurs for direction, short primary mover always can comply with the deformation of secondary plate and generate during exercise same Direction deflection is walked, so that transverse direction dynamic positioning of the short primary mover on long secondary stator is kept, so that short primary Spacing on mover between the iron core winding and secondary plate of two sides remains constant, is equivalent to and ensure that short primary mover and length The air gap of secondary stator is stablized constant.In conclusion air gap stability control mechanism provided by the present invention, can be realized straight-line electric Air gap stability contorting between motor-driven son and stator prevents air gap in operational process from generating fluctuation.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.

Fig. 1 is a kind of overall structure diagram of specific embodiment provided by the present invention.

Fig. 2 is the cross section view of Fig. 1.

Fig. 3 is the cross-sectional structure schematic diagram of long secondary stator shown in Fig. 1.

Fig. 4 is the present invention looks up structural representation of short primary mover shown in Fig. 1.

Wherein, in Fig. 1-Fig. 4:

Short primary mover -1, long secondary stator -2, secondary plate -3；

Stator extension -21；

Mover frame -101, iron core winding -102, guide roller -103, mounting plate -104, vertical directive wheel - 105, connecting shaft -106, by stream boots -107, stator base -201, stator side plate -202, vertical support sliding rail -203 are hung down To limit sliding rail -204, by trajectory -205, insulation board -206, located lateral sliding rail -301.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of overall structure diagram of specific embodiment provided by the present invention, figure 2 be the cross section view of Fig. 1.

In a kind of specific embodiment provided by the present invention, air gap stability control mechanism mainly includes long secondary stator 2, short primary mover 1 and secondary plate 3.Wherein, secondary plate 3 erects on the surface of long secondary stator 2, along long secondary stator 2 Length direction extend.Short primary mover 1 is arranged on the surface of long secondary stator 2, and can be on the surface of long secondary stator 2 On move back and forth along its length.

The main structure of short primary mover 1 is mover frame 101, which covers the top surface for being located at secondary plate 3 On, cored winding 102 is set on the two sides inner wall of mover frame 101, which is axial symmetry with secondary plate 3 Distribution, the iron core winding 102 of two sides and intermediate spacing (i.e. the air gap) of secondary plate 3 are equal and constant.

Importantly, located lateral sliding rail 301 is provided in the both side surface of secondary plate 3, the located lateral sliding rail 301 extend distribution along the length direction of secondary plate 3.Meanwhile it being additionally provided on the two sides inner wall of mover frame 101 and laterally leading To wheel 103, which rolls for cooperating simultaneously from the located lateral sliding rail 301 on two sides and 3 surface of secondary plate It is dynamic, it is formed and embraces rail structure.

In this way, when short primary mover 1 moves back and forth along its length on the surface of long secondary stator 2, due to transverse direction Mutually abutting against and relative rolling between directive wheel 103 and located lateral sliding rail 301 so that the extending direction of secondary plate 3 no matter Occur which kind of curve deformation, short primary mover 1 always can comply with the deformation of secondary plate 3 and to generate sync direction during exercise inclined Turn, so that transverse direction dynamic positioning of the short primary mover 1 on long secondary stator 2 is kept, so that on short primary mover 1 Spacing between the iron core winding 102 and secondary plate 3 of two sides remains constant, is equivalent to and ensure that short primary mover 1 and length The air gap of secondary stator 2 is stablized constant.

In conclusion air gap stability control mechanism provided by the present embodiment, can be realized linear motor rotor and stator Between air gap stability contorting, prevent in operational process air gap to generate fluctuation.Compared with the prior art, it is dynamic fixed to reduce with being able to respond The design air gap of son improves bilateral dynamic primary formula linear motor efficiency.Meanwhile the mechanism also can control because between primary, secondary Normal force lead to the bending deformation of secondary plate 3, avoid the Normal Force between primary and secondary from influencing dynamic stator air gap variation.

As shown in figure 3, Fig. 3 is the cross-sectional structure schematic diagram of long secondary stator 2 shown in Fig. 1.

In a kind of preferred embodiment about long secondary stator 2, for the total length distance spirit for improving long secondary stator 2 Activity and adjustability, the long secondary stator 2 are specially split type structure, mainly include several stator extensions 21.Wherein, respectively The length of Duan Dingzi extension 21 can be equal, and the overall length of long secondary stator 2 as needed determines stator extension 21 again Usage quantity later again successively splices each section of stator extension 21 integrally.In this way, being spelled by several segments stator extension 21 It connects to form long secondary stator 2, the difficulty of processing of stator component can be reduced, reduce manufacturing cost.

As shown in figure 4, Fig. 4 is the present invention looks up structural representation of short primary mover 1 shown in Fig. 1.

In a kind of preferred embodiment about short primary mover 1, the main structure of the short primary mover 1 is mover frame Frame 101.Specifically, the mover frame 101 can be in shape for hat, only bottom end opening, top cover are located on the top surface of secondary plate 3, will It is shrouded, and is integrally located on the surface of long secondary stator 2.Meanwhile to guarantee short primary mover 1 on long 2 surface of secondary stator On smooth reciprocating motion, the present embodiment has been additionally arranged at the bottom of mounting plate 104 in the two sides side wall of mover frame 101.Specifically, The mounting plate 104 can horizontally toward secondary plate 3 extend, and end can keep a fixed spacing with secondary plate 3.In the cross of mounting plate 104 It is provided with vertical directive wheel 105 on outside side, which is mainly used for the surface engagement with long secondary stator 2 It rolls, realizes reciprocating motion of the short primary mover 1 on long secondary stator 2.Certainly, short primary mover 1 and long secondary stator 2 Relative motion can not only simultaneously realize by above-mentioned vertical directive wheel 105, and cooperation of remaining such as sliding block and slideway etc. equally can be with Using.Similarly, sliding block and slideway etc. can also be used for the cooperation between guide roller 103 and located lateral sliding rail 301 The cooperation of similar structures is replaced.

In a kind of preferred embodiment about secondary plate 3, in the top and bottom region of the both side surface of secondary plate 3 It is arranged with located lateral sliding rail 301, certainly, the located lateral sliding rail 301 at top and the equal edge of located lateral sliding rail 301 of bottom The extending direction of secondary plate 3 is distributed, and is kept fixed spacing between the two.Correspondingly, the present embodiment is in mover frame 101 Connecting shaft 106 is provided on top bottom surface and the bottom surface of mounting plate 104, while each guide roller 103 is horizontal respectively It is transversely mounted on the end of each connecting shaft 106.So set, each guide roller 103 can be successfully fixed with each transverse direction Position sliding rail 301 forms stable mutual abutting and relative rolling.

In a kind of preferred embodiment about long secondary stator 2, which mainly includes stator base 201, stator side plate 202 and vertical support sliding rail 203.Wherein, stator base 201 is the main structure of long secondary stator 2, generally It is rectangular, it is mainly assembled by aluminium sheet or non-magnetic steel plate, surface is short primary for installing remaining components Mover 1, which provides, moves back and forth place.Obviously, the length dimension of stator base 201 is obvious, in the ideal case, stator base The extending direction of seat 201 is straight line.Stator side plate 202 is separately positioned on the both lateral sides marginal position of stator base 201, U-shaped groove-like structure is formed together with stator base 201.Vertical support sliding rail 203 is separately positioned on the transverse direction of stator base 201 Both sides of the edge position, and can be abutted against with stator side plate 202.The vertical support sliding rail 203 is mainly used for and short primary mover 1 On vertical directive wheel 105 cooperate, so that vertical directive wheel 105 carries out rolling movement on the surface thereof.Obviously, vertical support is sliding The extending direction of rail 203 is parallel with the extending direction of secondary plate 3, and in the ideal situation, with stator base 201 Length direction is parallel.

Further, it is contemplated that when the operational efficiency of linear motor is higher, short primary mover 1 will be in long secondary stator 2 Upper carry out high speed reciprocating motion, to prevent short primary mover 1 from occurring situations such as vertical bounce, jolt, this reality during the motion It applies example and is provided with vertical limit sliding rail 204 on the stator side plate 202 of two sides.Specifically, the one of the vertical limit sliding rail 204 End is connected on the surface of each stator side plate 202, and horizontally toward the center of stator base 201 extends certain length.Generally , which can mutually face with the vertical support sliding rail 203 of bottom, and be used to and short primary mover 1 On vertical directive wheel 105 cooperate and roll, while on natural filling, top of the vertical limit sliding rail 204 apart from vertical directive wheel 105 End has certain interval.

Meanwhile for as far as possible guarantee motion state balance, guide roller 103 can mover frame 101 front and rear end, Top and bottom is arranged simultaneously, and similarly, vertical directive wheel 105 can be arranged simultaneously in the front and rear end of mover frame 101.Generally , during the motion, the vertical directive wheel 105 of front and rear end and vertical support sliding rail 203, vertical limit sliding rail 204 it Between the way of contact have the 3 kinds: 1st kind, short primary mover 1 is in static or at the uniform velocity under state, the vertical directive wheel 105 in front and back with Vertical support sliding rail 203 contacts；2nd kind, it is short primary mover 1 be under high acceleration mode, the vertical directive wheel 105 in front end with it is vertical Sliding rail 204 is limited to contact, and the vertical directive wheel 105 in rear end is contacted with vertical support sliding rail 203；3rd kind, it is short primary mover 1 at Under high speed on-position, the vertical directive wheel 105 in front end is contacted with vertical support sliding rail 203, and the vertical directive wheel in rear end 105 with Vertical limit sliding rail 204 contacts.

Moreover, it is contemplated that short primary mover 1 during the motion, may need the curve according to secondary plate 3 at any time Deformation and finely tune direction of advance, and each vertical directive wheel 105 on short primary mover 1 is in corresponding vertical support sliding rail Synchronous horizontal trim locations are needed in 203, for this purpose, in the present embodiment, vertical support sliding rail 203 and vertical limit sliding rail 204 Width is all larger than the thickness (or width) of vertical directive wheel 105.So set, can be in short primary mover 1 before adjustment into direction When, prevent vertical directive wheel 105 from laterally running out of vertical support sliding rail 203 or vertical limit sliding rail 204.

In addition, to guarantee that the normal power supply between stator and rotor, the present embodiment are also set up on the bottom surface of mounting plate 104 Several on the surface of stator base 201 are additionally provided with several by trajectory 205 by stream boots 107.Specifically, each Item can be extended by trajectory 205 along the length direction of stator base 201 to be distributed, and the reciprocal fortune in short primary mover 1 is mainly used for During dynamic, it is steadily contacted always with by the stream holding of boots 107, and it is electrical by connecting terminal and iron core winding 102 by stream boots 107 Connection, it is ensured that electric current conduction between the two.Herein preferably, on the bottom surface of mounting plate 104 can simultaneously 3 by stream boots 107, And 3 can also be correspondingly arranged on the surface of stator base 201 by trajectory 205, in this way, can produce three in linear motor operation Phase current.Meanwhile identical quantity is also provided at position by opening up for trajectory 205 in each item on the surface of stator base 201 Insulation board 206, every is corresponded to one of insulation board 206 by trajectory 205, so can not only be fixed by trajectory 205, but also can make It is insulated by between trajectory 205 and stator base 201, prevents short circuit current.

The present embodiment also provides a kind of bilateral dynamic primary formula linear motor, mainly includes the air gap as described in foregoing teachings Stability control mechanism.Wherein, bilateral dynamic primary formula linear motor described in the present embodiment is primarily referred to as bilateral moving short primary mover Long secondary stator formula incudes three-phase alternate current linear motor.Certainly, air gap stability control mechanism described in the present embodiment, is not only fitted Bilateral dynamic primary formula linear motor for long secondary stator, short primary Structure of mover uses, and it is long primary fixed to be readily applicable to The bilateral primary formula linear motor of sub, short secondary Structure of mover.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.