CN212953091U

CN212953091U - Anti-sideslip magnetic levitation conveying device

Info

Publication number: CN212953091U
Application number: CN202020940462.2U
Authority: CN
Inventors: 涂俊; 张兴华; 周文武; 刘文进
Original assignee: Hunan Lingxiang Maglev Technology Co Ltd
Current assignee: Hunan Lingxiang Maglev Technology Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-04-13
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses an anti-sideslip magnetic suspension conveying device, which comprises a stator and a rotor, wherein the stator comprises two vertical slide rails and an iron core with a three-phase winding, the iron core is distributed along the trend of the slide rails and is positioned between the two slide rails, and a first groove is arranged at the middle position of the top of the slide rails; the rotor comprises a vehicle body, two roller carriers, a roller mechanism and a permanent magnet, wherein the two roller carriers are vertically installed on two sides of the bottom of the vehicle body and located above the first groove, the rollers are installed on the side edges of the bottom of the roller carriers and are in slidable butt joint with the top of the sliding rail, the bottom of the roller carriers is provided with a limiting part extending downwards into the first groove, and the permanent magnet is arranged at the position corresponding to the iron core on the bottom surface of the vehicle body and is provided with an air gap between the permanent magnet and the. Compared with the conventional mechanical conveyor belt, the mechanical friction is greatly reduced, the conveying efficiency is high, and the noise is low. And can realize horizontal spacing to the automobile body, avoid the automobile body to roll over the slide rail because of lateral shifting, improve reliability and security in the transportation.

Description

Anti-sideslip magnetic levitation conveying device

Technical Field

The utility model relates to a magnetism floats the transport field, specificly relates to a prevent magnetism of sideslipping and float conveyor.

Background

At present, each large enterprise and factory widely adopt mechanical conveyor belt or mechanical linear electric motor to carry out article transportation on the production line, the principle of mechanical conveyor belt is to drive belt or link joint through the rotating electrical machines and move, mechanical linear electric motor passes through the converter with the rotating electrical machines and converts linear kinetic energy drive active cell motion into, mechanical conveyor belt or mechanical linear electric motor because mechanical friction inevitable existence efficiency is not high, the noise is big, the friction part damages easily, follow-up maintenance volume is big scheduling problem, and mechanical linear electric motor's active cell part still need connect the cable, can receive the restraint of cable during the motion and influence the flexibility.

In order to improve the transmission efficiency, companies have developed a magnetic suspension conveying device composed of a primary side rotor formed by an iron core and a secondary side stator formed by a permanent magnet, the stators are installed on a transport trolley for conveying, and electric energy is converted into kinetic energy through electromagnetic induction to drive the rotors to move on a sliding rail.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the invention provides a sideslip-preventing magnetic levitation conveying device which can reduce mechanical friction force and noise and can avoid sideslip and overturn during linear motion.

According to the utility model discloses prevent magnetic levitation conveyor of sideslip, include:

the stator comprises two vertical sliding rails and an iron core with a three-phase winding, the iron core is distributed along the direction of the sliding rails and is positioned between the two sliding rails, a first groove is formed in the middle of the top of each sliding rail, and the first groove is formed along the direction of the sliding rails;

the active cell, the active cell includes automobile body, two gyro wheel framves, gyro wheel mechanism and permanent magnet, two the gyro wheel frame is vertical to be installed in bottom half body both sides and to be located first recess top, the gyro wheel install in the bottom side of gyro wheel frame and with slide rail top roll connection, the bottom of gyro wheel frame is provided with the spacing portion that downwardly extending extends in first recess in order to be used for avoiding the automobile body to sideslip and turn over out, the permanent magnet setting correspond the department and leave the air gap between the iron core at automobile body bottom surface and iron core.

According to the utility model discloses prevent magnetic levitation conveyor that sideslips has following technological effect at least: the permanent magnet is mounted on the vehicle body, the iron core with the three-phase winding generates a magnetic field after being electrified, the magnetic field generated by the permanent magnet and the stator generates traction force to drive the rotor to slide on the sliding rail, compared with a conventional mechanical conveyor belt, the mechanical friction is greatly reduced, the conveying efficiency is high, and the noise is low. And the first groove is formed on the slide rail, the limiting part extending into the first groove is arranged at the bottom of the roller carrier, and the limiting part at the bottom of the roller carrier is arranged in the first groove, so that the transverse limiting of the vehicle body is realized when the vehicle body moves on the slide rail, the vehicle body is prevented from turning out of the slide rail due to transverse movement, and the reliability and the safety in the transportation process are improved.

According to some embodiments of the present invention, the roller mechanism comprises two rollers and a roller shaft, the roller shaft is horizontally installed in the bottom of the roller frame, two the rollers are respectively rotatably installed in one end of the roller shaft.

According to some embodiments of the utility model, two the outside of gyro wheel respectively is provided with the lateral shifting of the outside limit baffle that extends of round in order to be used for restricting the automobile body.

According to some embodiments of the utility model, the quantity of permanent magnet is five, and five permanent magnets adopt Halbach permanent magnet array to fix in the automobile body bottom.

According to the utility model discloses a some embodiments still include unable adjustment base, slide rail and iron core all fix on unable adjustment base.

According to some embodiments of the utility model, be provided with the buffer layer between iron core and the unable adjustment base.

According to some embodiments of the invention, the buffer layer is a nylon mat.

According to the utility model discloses a some embodiments, the second recess has been seted up to the even interval in iron core bottom, three-phase winding imbeds in the second recess and through the winding of the double-deck lap mode of three-phase on the iron core.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of a magnetic levitation transportation device for preventing sideslip in an embodiment of the present invention;

FIG. 2 is an oblique view of an anti-sideslip magnetic levitation transportation apparatus according to an embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

fig. 4 is a side view of a three-phase winding in an embodiment of the invention;

fig. 5 is a schematic diagram of the connection between the three-phase winding and the iron core in the embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a Halbach permanent magnet array.

Reference numerals

The stator 100, the slide rail 110, the first groove 111, the three-phase winding 120, the iron core 130, the second groove 131, the fixed base 140, the buffer layer 150, the mover 200, the vehicle body 210, the roller mechanism 220, the roller 221, the roller shaft 222, the limit baffle 223, the permanent magnet 230, and the roller frame 240.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the positional descriptions, such as the directions or positional relationships indicated by the upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a magnetic levitation transportation apparatus for preventing side slip includes:

the stator 100, the stator 100 includes a slide rail 110, a cuboid iron core 130 with a three-phase winding 120, the iron core 130 is distributed along the slide rail 110 and is located in the middle of the slide rail 110. In order to increase the overall bearing capacity, a fixing base 140 is further disposed at the bottom of the stator 100, the slide rail 140 and the iron core 130 are both fixed on the fixing base 140, the iron core 130 is rectangular, a buffer layer 150 is disposed between the iron core 130 and the fixing base 140 to reduce the vibration impact on the base, and meanwhile, laying the buffer layer 150 is also beneficial to leveling the iron core 130, preferably, the buffer layer 150 in this embodiment is a nylon cushion, and other fabric cushions may also be used. The middle position of the top of the slide rail 110 is provided with a first groove 111, and the first groove 111 is arranged along the trend of the slide rail 110.

The mover 200 includes a body 210, two roller frames 240, a roller mechanism 220 and a permanent magnet 230, where the two roller frames are respectively installed at two sides of the bottom of the body 210 and located above the first groove 111, referring to fig. 2 and 3, a limiting portion 241 extending downward into the first groove 111 is provided at the bottom of the roller frame 240, and the limiting portion 241 cooperates with a groove wall of the first groove to perform a transverse limiting function on the body 210, so as to prevent the body 210 from moving laterally and deviating out of the slide rail to cause side turning, preferably, the limiting portion 241 in this embodiment employs a transversely-disposed pulley, and the pulley abuts against an inner wall of any one side of the first groove 111, so that the pulley can slide in the first groove 111.

The roller mechanism 220 includes two rollers 221 and a roller shaft 222, the roller shaft 222 is horizontally installed at the bottom of the roller frame 240, the two rollers 221 are respectively rotatably installed at one end of the roller shaft 222, each slide rail 110 is divided into a left slide rail and a right slide rail by the first groove 111 in the middle, and each roller 221 is respectively connected with one slide rail in a rolling manner, so that the vehicle body 210 moves along the slide rail.

In order to further limit the transverse displacement of the vehicle body 210, a circle of limiting baffle 223 extending outwards is respectively arranged on the outer sides of the two rollers 221, the bottom of the limiting baffle 223 is adjacent to the outer side wall of the slide rail 110, and the limiting baffle 223 on each roller 221 limits the transverse displacement in one direction respectively, so that the transverse displacement of the vehicle body 210 is limited as a whole.

The permanent magnet 230 is arranged in the middle of the bottom surface of the vehicle body 210, namely, right above the iron core 130, an air gap is left between the permanent magnet 230 and the iron core 130, so that resistance generated by friction during movement is avoided, the three-phase winding 120 generates a magnetic field, and the permanent magnet 230 and the generated magnetic field act to form traction force to drive the vehicle body 210 to slide on a sliding rail. Referring to fig. 6, in this embodiment, the number of the permanent magnets 230 is five, the five permanent magnets 230 are fixed at the bottom of the vehicle body 210 by using Halbach permanent magnet arrays to form a magnetic field of a whole period, the arrangement of the permanent magnets can enhance the magnetic field on one side of the permanent magnets and weaken the other side of the permanent magnets, and the magnetic field of the iron core and the magnetic field on the enhanced side act to form a traction force. The Halbach permanent magnet array structure can increase the utilization rate of a magnetic field, save a magnetic pole back plate required under a common permanent magnet block arrangement structure, and reduce the weight of the rotor.

Referring to fig. 4, the core 130 is a mounting and supporting structure of the three-phase winding 120, the bottom of the core 130 is provided with second grooves 131 at regular intervals, coils of the three-phase winding 120 are embedded in the second grooves 131 and wound on the core 130 in a three-phase double-layer lap winding manner, referring to fig. 5, each coil has two straight edges, which are respectively embedded in two grooves of the core 130, which are effective parts of the winding and are main parts of electromagnetic energy conversion, U1 and U2 are the start end and the tail end of the a-phase winding, V1 and V2 are the start end and the tail end of the B-phase winding, W1 and W2 are the start end and the tail end of the C-phase winding, the coils of the three-phase winding are connected to a power box, and the power box controls the coil current of the three-phase winding so.

To sum up, the embodiment of the utility model provides a through install permanent magnet 230 on automobile body 210, take three-phase winding 120's iron core 130 to produce magnetic field after the circular telegram, permanent magnet 230 produces traction force drive active cell 200 with the magnetic field effect that stator 100 produced and slides on slide rail 110, compares the very big mechanical friction that has reduced of conventional mechanical type conveyer belt, and conveying efficiency is high, the noise is little. The limiting part 241 and the first groove 111 are matched to limit the transverse direction of the vehicle body, so that the transverse direction of the vehicle body is limited when the vehicle body moves on the sliding rail, the vehicle body is prevented from turning out of the sliding rail due to transverse movement, and the reliability and the safety in the transportation process are improved.

And the side edge of the roller 221 is provided with a limit baffle 223 for further limiting the transverse displacement of the vehicle body, so that the reliability and the stability in the transportation process are further improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a prevent magnetic levitation conveyor of sideslip which characterized in that includes:

the stator (100) comprises two vertical slide rails (110) and an iron core (130) with a three-phase winding (120), wherein the iron core (130) is distributed along the moving direction of the slide rails (110) and is positioned between the two slide rails (110), a first groove (111) is formed in the middle of the top of the slide rail (110), and the first groove (111) is formed along the moving direction of the slide rail (110);

runner (200), runner (200) includes automobile body (210), two gyro wheel frame (240), roller mechanism (220) and permanent magnet (230), two gyro wheel frame (240) vertical install in automobile body (210) bottom both sides just are located first recess (111) top, roller mechanism (220) install in the bottom side of gyro wheel frame (240) and with slide rail (110) roll connection, the bottom of gyro wheel frame (240) is provided with downwardly extending to spacing portion (241) in first recess (111) is in order to be used for limiting the lateral displacement of automobile body (210), permanent magnet (230) set up automobile body (210) bottom surface and iron core (130) correspond the department and with leave the air gap between iron core (130).

2. The anti-skid magnetic levitation transport device of claim 1, wherein: the roller mechanism (220) comprises two rollers (221) and a roller shaft (222), the roller shaft (222) is horizontally arranged at the bottom of the roller frame (240), and the two rollers (221) are respectively rotatably arranged at one end of the roller shaft (222).

3. The anti-sideslip magnetic levitation transport device of claim 2, wherein: and a circle of limiting baffles (223) extending outwards are arranged on the outer sides of the two rollers (221) respectively and used for limiting the transverse movement of the vehicle body (210).

4. The anti-skid magnetic levitation transport device of claim 1, wherein: the number of the permanent magnets (230) is five, and the five permanent magnets (230) are fixed at the bottom of the vehicle body (210) by adopting a Halbach permanent magnet array.

5. The anti-skid magnetic levitation transport device of claim 1, wherein: the iron core fixing device is characterized by further comprising a fixing base (140), and the sliding rail (110) and the iron core (130) are fixed on the fixing base (140).

6. The anti-skid magnetic levitation transport device of claim 5, wherein: a buffer layer (150) is arranged between the iron core (130) and the fixed base (140).

7. The anti-sideslip magnetic levitation transport device of claim 6, wherein: the buffer layer (150) is a nylon cushion.

8. The anti-skid magnetic levitation transport device of claim 1, wherein: second grooves (131) are formed in the bottom of the iron core (130) at uniform intervals, the second grooves (131) are perpendicular to the trend of the sliding rail (110), and the three-phase winding (120) is embedded into the second grooves (131) and wound on the iron core (130) in a three-phase double-layer lap winding mode.