CN215332238U - Magnetic suspension U-shaped track transmission device for substrate - Google Patents

Abstract

The utility model relates to a magnetic suspension U-shaped track transmission device for a base plate. The rail transmission device includes: a guide mechanism; a permanent magnet linear drive mechanism; a permanent magnet assembly; and a running gear; at least one side of the guide mechanism is provided with a guide groove, a conductor rail and a conductive rod embedded in the conductor rail are arranged in the guide groove, and the conductive rod is electrically connected to a power supply; the permanent magnet linear driving mechanism is connected with the guide mechanism, and carbon brushes for contacting with the conductive rods are arranged at two ends of the permanent magnet linear driving mechanism, so that the substrate can be powered on when the carbon brushes are contacted with the conductive rods; the permanent magnet assembly is connected with the running mechanism. Because the running mechanism moves under the condition of non-contact with the permanent magnet linear driving mechanism, the friction and abrasion between the permanent magnet linear driving mechanism and the running mechanism can be effectively reduced, the device has the characteristics of energy conservation, environmental protection, stability, safety, comfort and silence, reduces the influence on the environment, and is extremely suitable for occasions with higher requirements on noise and environment.

Description

Magnetic suspension U-shaped track transmission device for substrate

Technical Field

The utility model relates to the field of door and window installation equipment, in particular to a magnetic suspension U-shaped track transmission device for a substrate.

Background

With the increasing standard of living, doors and windows are gradually transformed from the traditional manual opening and closing mode to the automatic opening and closing mode.

At present, door and window's automatic switching is mainly by linking to each other door and window and hold-in range to rotatory drive hold-in range through gear motor removes, drives door and window linear movement then. In this process, in order to ensure that the transmission of the movement can be carried out reliably, a series of conversion fittings (e.g. gear mechanisms) need to be provided. Because what adopt is contact motion transmission mode, needs great driving torque to door and window removes the in-process and also very big to the impact that hinders the object, the security is poor, and energy loss is big, and relative motion's accessory can produce wearing and tearing, leads to producing the dust, can not be better satisfy the place that requires high to the environment, not only can produce great noise, still can make door and window produce resonance at the removal in-process, and the stationarity is poor, and the current experience of user feels comparatively poor.

The defect of the transmission structure in the prior art causes poor stability of the door and window in the moving process, and noise is easily generated, so a more reasonable technical scheme needs to be provided, and the technical problem in the prior art is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a magnetic suspension U-shaped track transmission device for a base plate, which aims to solve the problems that doors and windows in the prior art are poor in stability and safety in the moving process and are easy to generate noise and dust.

In order to realize the effect, the utility model adopts the technical scheme that:

a magnetically levitated U-track drive for a substrate, the track drive comprising:

the guide mechanism is used for connecting the wall body;

the permanent magnet linear driving mechanism is used for generating magnetic force when electrified;

the permanent magnet assembly is configured into a structure matched with the permanent magnet linear driving mechanism; and

a running mechanism for connecting the base plate;

at least one side of the guide mechanism is provided with a guide groove extending along the length direction of the wall body, a conductive rail and a conductive rod embedded in the conductive rail are arranged in the guide groove, and the conductive rod is electrically connected to a power supply; the permanent magnet linear driving mechanism is connected to the guide mechanism, the extending direction of the permanent magnet linear driving mechanism is parallel to the extending direction of the guide groove, and carbon brushes used for being in contact with the conductive rods are arranged at two ends of the permanent magnet linear driving mechanism, so that when the carbon brushes are in contact with the conductive rods, the substrate can be powered on; the permanent magnet assembly is connected with the running mechanism so as to enable the running mechanism to move along the guide groove under the driving of the permanent magnet linear driving mechanism.

Optionally, the guide way is equipped with two pairs of locating parts in vertical direction, the locating part will the guide way separates for: the mounting layer is used for mounting the permanent magnet linear driving mechanism, the limiting layer is used for limiting the moving range of the permanent magnet assembly, and the guide rail layer is movably connected with the running mechanism, wherein the mounting layer, the limiting layer and the guide rail layer are sequentially arranged in the vertical direction.

Optionally, the limiting member includes a first boss and a second boss symmetrically disposed, wherein a gap between the first bosses is smaller than a width of the permanent magnet linear driving mechanism, and a gap between the second bosses is smaller than a width of the permanent magnet assembly.

Optionally, the running mechanism comprises a connecting component and a rolling component matched with the guide groove, one end of the connecting component is connected to the permanent magnet component, and the other end of the connecting component is connected to the base plate; the rolling assembly is rotatably connected to the connecting assembly.

Optionally, the connection assembly includes a mounting member embedded with the permanent magnet assembly and a hanger screwed with the mounting member, and the hanger is screwed with the base plate.

Optionally, the rolling assembly includes a connecting shaft and bearing wheels, the connecting shaft is horizontally connected to the connecting assembly, and the bearing wheels are configured in two groups and respectively disposed at two ends of the connecting shaft and disposed in the guide groove.

Optionally, the rolling assembly further includes bearings disposed in one-to-one correspondence with the bearing wheels, and the bearing wheels are connected to the connecting shaft through the bearings.

Optionally, the guiding mechanism includes a positioning member for being fixedly connected to the wall and a guiding member connected to the positioning member, wherein the guiding slot is disposed on the guiding member, and an opening direction of the guiding slot faces downward.

Optionally, the rail actuator further comprises a flexible protection member and a decoration member connected to the guide mechanism, the decoration member having a lower end provided with a mounting groove opened toward the base plate, the flexible protection member being disposed in the mounting groove.

Optionally, the guide groove is provided with a stop member for limiting the moving range of the running mechanism.

Optionally, the rail transmission further comprises:

the detection device is used for detecting the current position information of the substrate; and

the controller is respectively in communication connection with the detection device and the switch of the power supply, and the threshold value of the substrate position is preset in the controller;

and when the controller judges that the current position information of the substrate exceeds the threshold value, controlling the switch of the power supply to be switched off.

Compared with the prior art, the utility model has the beneficial effects that:

because the running mechanism moves under the condition of non-contact with the permanent magnet linear driving mechanism, based on the non-contact linear driving mode, compared with the contact type transmission principle of the existing driving device, the non-contact linear driving device has the advantages that the friction and the abrasion between the permanent magnet linear driving mechanism and the running mechanism can be effectively reduced, the non-contact linear driving device has the characteristics of stability, safety, comfort and silence, the influence on the environment is greatly reduced, and the non-contact linear driving device is extremely suitable for occasions with higher requirements on noise. And lubricating oil does not need to be coated on the guide groove, so that the environmental sanitation is obviously improved, the gluing problem is avoided, and the practicability is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a magnetically levitated U-track drive for a substrate provided by the present disclosure in one embodiment;

FIG. 2 is a schematic structural diagram of a magnetically levitated U-track transmission for a baseplate provided by the present disclosure in another embodiment;

FIG. 3 is a schematic structural diagram of a guide mechanism in a magnetic suspension U-shaped rail transmission device for a substrate provided by the present disclosure;

FIG. 4 is a schematic structural diagram of a guide mechanism and a carbon brush in a magnetic levitation U-shaped rail transmission device for a substrate provided by the present disclosure;

FIG. 5 is a bottom view of a hanger in a magnetically levitated U-track drive for substrates provided by the present disclosure;

FIG. 6 is a side view of a hanger in a magnetically levitated U-track drive for a baseplate provided by the present disclosure;

FIG. 7 is a schematic structural diagram of a travel mechanism in a magnetically levitated U-track transmission for substrates provided by the present disclosure in one embodiment;

FIG. 8 is a schematic structural diagram of a running gear in another embodiment of the magnetic levitation U-shaped rail transmission device for the base plate provided by the disclosure;

FIG. 9 is a schematic structural diagram of a running gear in a magnetic levitation U-shaped track transmission for a base plate according to the present disclosure in a further embodiment;

fig. 10 is a front view of a permanent magnet linear drive mechanism in a magnetically levitated U-track drive for a baseplate provided by the present disclosure.

In the above drawings, the meaning of each reference numeral is:

1-a guide mechanism, 10-a guide groove, 101-a mounting layer, 102-a limiting layer, 103-a guide rail layer, 11-a positioning piece, 12-a guide piece, 13-a stopping piece, 14-a conductive rail, 15-a conductive rod, 2-a permanent magnet linear driving mechanism, 20-a carbon brush, 3-a permanent magnet assembly, 4-a running mechanism, 41-a mounting piece, 42-a hanging piece, 43-a connecting shaft, 44-a bearing wheel, 45-a bearing, 5-a wall body, 6-a substrate, 71-a first boss, 72-a second boss, 81-a flexible protection piece, 82-a decoration piece, 83-a mounting groove and 9-a shielding piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a magnetic suspension U-shaped track transmission device for a substrate, which can be used for mounting substrates such as door plates, windows and the like. Fig. 1 to 10 show specific embodiments thereof, and the present disclosure will be described in detail below by taking an application to a door window as an example.

Referring to fig. 1 to 10, the rail driving apparatus includes: the guide mechanism 1 is used for connecting a wall body 5; the permanent magnet linear driving mechanism 2 is used for generating magnetic force when electrified; the permanent magnet assembly 3 is configured into a structure matched with the permanent magnet linear driving mechanism 2; and a running mechanism 4 for connecting the substrate 6.

At least one side of the guide mechanism 1 is provided with a guide groove 10 extending along the length direction of the wall body 5, a conductive rail 14 and a conductive rod 15 embedded in the conductive rail 14 are arranged in the guide groove 10, and the conductive rod 15 is electrically connected to a power supply; the permanent magnet linear driving mechanism 2 is connected to the guide mechanism 1, the extending direction of the permanent magnet linear driving mechanism is parallel to the extending direction of the guide groove 10, and carbon brushes 20 for contacting with the conductive rods 15 are arranged at two ends of the permanent magnet linear driving mechanism 2, so that when the carbon brushes 20 contact with the conductive rods 15, the substrate 6 can be powered on; the permanent magnet assembly 3 is connected with the running gear 4 so as to enable the running gear 4 to move along the guide groove 10 under the driving of the permanent magnet linear driving mechanism 2.

Due to the characteristics of the carbon brush 20, electricity can be supplied when the carbon brush is in contact with the conductive rod 15, thereby supplying power to the substrate 6. It should be understood that the substrate 6 in the present disclosure refers to a substrate such as a glass, thin film or ceramic plate provided with a novel liquid crystal material. After being electrified, different visual effects can be presented based on the characteristics of the novel liquid crystal material. For example, when the power is turned off (the conductive rod and the carbon brush are in a non-contact state), the liquid crystal molecules in the substrate (the light adjusting glass) are in an irregular dispersion state, and the substrate (the electric control glass) has a light-transmitting and opaque appearance; after the power is on, the liquid crystal molecules inside are arranged orderly, light can penetrate through the liquid crystal glass freely, and the electric control liquid crystal glass is in a transparent state.

Specifically, the dimming glass is controlled by voltage to change between a scattering (light-transmitting opaque) state and a transmitting (transparent) state, and the change meets the dual requirements of permeability of the glass and privacy protection, and by utilizing the characteristic, the dimming glass is widely applied to the fields of high-grade offices, machine rooms, medical institutions, commercial displays and the like.

When the permanent magnet linear driving mechanism 2 is electrified, the magnetic field generated by the winding is linearly distributed to form a traveling wave magnetic field. The excitation magnetic field of the permanent magnet assembly 3 interacts with the traveling wave magnetic field to generate electromagnetic thrust to drive the running mechanism 4 to move along the guide groove 10, so that the position of the substrate 6 (such as a door and a window) is adjusted.

Through the technical scheme, because the running mechanism 4 moves in a non-contact manner with the permanent magnet linear driving mechanism 2, based on the non-contact linear driving manner, compared with the existing driving device contact type transmission principle, the non-contact linear driving mechanism can effectively reduce friction and abrasion between the permanent magnet linear driving mechanism and the running mechanism 4, has the characteristics of stability, safety, comfort and silence, greatly reduces the influence on the environment, and is extremely suitable for occasions with higher requirements on noise and environment. And dust can not be generated, lubricating oil does not need to be coated on the guide groove 10, the environmental sanitation is obviously improved, the problem of gluing is avoided, and the practicability is better.

It should be noted that the permanent magnet linear driving mechanism 2 is a permanent magnet synchronous linear driving motor in the prior art, and the structure thereof is conventionally improved in the present disclosure, so as to obtain a product schematic diagram shown in fig. 10. When the permanent magnet assembly 3 is used together, magnetic thrust can be generated to push the running mechanism 4 to move.

In the present disclosure, the carbon brush 20 includes a main body portion and a brush head disposed on the main body portion, wherein the main body portion is provided with a mounting groove in which a return spring is disposed. This reset spring one end is connected in the main part, and the other end is connected in the brush head to help brush head to reset, promptly, make the brush head can keep in contact with conducting rod 15 all the time, guarantee the stability of circular telegram.

Wherein, guiding mechanism 1 can be set up on the wall of side, also can be set up on the wall of top surface, and the skilled person in the art can be according to actual need nimble setting. As shown in fig. 1, in the present disclosure, guide grooves 10 are provided on both sides of the guide mechanism 1. So that the running gear can be guided to move smoothly and can bear the weight force in a balanced manner.

As shown in fig. 1, in the present disclosure, a shielding member 9 is further disposed above the permanent magnet assembly 3, so as to prevent foreign matters such as dust from adhering to the permanent magnet and affecting the magnetic property thereof.

In addition, the permanent magnet assembly 3 includes a plurality of permanent magnets, and for the arrangement of the positions and magnetic poles thereof, the specific arrangement of the permanent magnet linear driving mechanism 2 can be referred to, and those skilled in the art can flexibly combine and configure the permanent magnet assembly according to actual situations.

In an embodiment provided by the present disclosure, referring to fig. 1 to 4, the guide slot 10 is provided with two pairs of limiting members in a vertical direction, and the limiting members divide the guide slot 10 into: the permanent magnet linear driving mechanism comprises a mounting layer 101 for mounting the permanent magnet linear driving mechanism 2, a limiting layer 102 for limiting the moving range of the permanent magnet assembly 3, and a guide rail layer 103 movably connected with the running mechanism 4, wherein the mounting layer 101, the limiting layer 102 and the guide rail layer 103 are sequentially arranged in the vertical direction.

Therefore, the permanent magnet linear driving mechanism 2, the permanent magnet assembly 3 and the running mechanism 4 can be respectively arranged at the same position, so that the running mechanism 4 can drive the substrate 6 to stably move along the extending direction of the guide groove 10 when being electrified, and the opening and closing of doors and windows are realized. And when the power is cut off, the permanent magnet linear driving mechanism 2, the permanent magnet assembly 3 and the running mechanism 4 can be respectively kept on the corresponding layers, so that the impact and the abrasion on the guide groove 10 are reduced, and the safety is better.

Specifically, the limiting member may include a first boss 71 and a second boss 72, which are symmetrically disposed, wherein a gap between the first bosses 71 is smaller than a width of the permanent magnet linear driving mechanism 2, so as to limit a position of the permanent magnet linear driving mechanism 2, and ensure reliability of an installation position thereof. Of course, the gap between the second bosses 72 is smaller than the width of the permanent magnet assembly 3, so that the permanent magnet assembly can move in a manner of being attached to the second bosses 72, and the stability of the running mechanism 4 in the moving process is improved.

In the particular embodiments provided by the present disclosure, travel mechanism 4 may be configured in any suitable configuration.

Alternatively, as shown in fig. 7 to 9, the running mechanism 4 may include a connecting component and a rolling component matched with the guide groove 10, one end of the connecting component is connected to the permanent magnet component 3, and the other end of the connecting component is connected to the base plate 6, so that the permanent magnet component 3 can drive the base plate 6 to move synchronously when moving, and the base plate 6 can accurately move to a desired position.

The rolling assembly is rotatably connected to the connecting assembly, so that friction between the rolling assembly and the guide rail layer 103 can be reduced in a rotating mode, and the rolling assembly can smoothly and smoothly move along the guide rail layer 103, so that noise generated in the moving process is reduced, heat generated by friction is reduced, and the service life of the track transmission device is prolonged.

Of course, in the embodiments provided by the present disclosure, the connection assembly may likewise be configured in any suitable configuration.

Referring to fig. 1 to 9, the connection assembly may include a mounting member 41 embedded with the permanent magnet assembly 3 and a hanger 42 screwed to the mounting member 41, wherein the hanger 42 is screwed to the base plate 6. Since the hanger 42 is screw-coupled to the mounting member 41 and the base plate 6, respectively, quick mounting of the base plate 6 can be facilitated. And the threaded connection has simple operation, convenient disassembly and reliable connection.

As shown in fig. 7 and 8, the permanent magnet assembly 3 may be embedded in the mounting member 41, thereby facilitating periodic repair and maintenance of the permanent magnet assembly 3. The structure of the hanger 42 can be seen in fig. 5 and 6. Of course, the hanger 42 may be configured in any other suitable configuration, and one skilled in the art may flexibly configure the hanger according to the application environment.

Of course, the hanging member 42 may be connected to the mounting member 41 and the substrate 6 by a detachable connection manner such as clamping or insertion, and those skilled in the art may flexibly set the hanging member according to the specification and material of the substrate 6. The hanger 42 may be connected to the mounting member 41 and the base plate 6 by a fixed connection method such as welding, which is not limited in the present disclosure.

In a specific embodiment, referring to fig. 1 and 2, the rolling assembly may include a connecting shaft 43 and bearing wheels 44, the connecting shaft 43 is horizontally connected to the connecting assembly, and the bearing wheels 44 are arranged in two groups and respectively disposed at both ends of the connecting shaft 43 and disposed in the guide groove 10.

Therefore, the contact point between the bearing wheel 44 and the guide groove 10 can be increased, the smoothness in the moving process is improved, and the weight of the substrate 6 can be uniformly borne. In addition, even when one of the load bearing wheels 44 fails, the other load bearing wheel 44 can continue to be put into service.

Referring to fig. 1 and 2, the rolling assembly may further include bearings 45 disposed in one-to-one correspondence with the bearing wheels 44, and the bearing wheels 44 are connected to the connecting shaft 43 through the bearings 45, so that wear between the bearing wheels 44 and the connecting shaft 43 is reduced, and stability of the running mechanism 4 during movement is improved.

In the specific embodiments provided by the present disclosure, the guide mechanism 1 may be configured in any suitable manner.

In one embodiment, as shown in fig. 1 to 4, the guiding mechanism 1 may include a positioning member 11 for fixedly connecting to the wall 5 and a guiding member 12 connected to the positioning member 11, whereby the position of the guiding member 12 is determined by the position of the positioning member 11.

For example, when the positioning element 11 is disposed on the lateral wall 5, the positioning element 11 may be fixed on the wall 5 by any suitable fastener such as an expansion bolt, as shown in fig. 1; when the positioning element 11 is disposed on the wall 5 on the top surface, the positioning element 11 may be fixed by the expansion bolts, or the positioning element 11 may be fixed by disposing other embedded elements or grooves on the wall 5, as shown in fig. 2.

The installation position of the positioning member 11 and the connection manner with the wall 5 may be determined according to the actual application environment, and will not be described in detail herein.

As shown in fig. 1 to 4, the guide groove 10 is disposed on the guide member 12, and an opening direction of the guide groove 10 faces downward, so that the substrate 6 can be limited by the guide groove 10, and the substrate 6 can be easily mounted and dismounted.

Of course, the opening of the guide groove 10 may be arranged horizontally or obliquely, and those skilled in the art can flexibly arrange the opening according to actual requirements.

In addition, the guiding element 12 may be sleeved on the periphery of the positioning element 11, or may be connected with a bolt or a screw used for the positioning element, and is not limited herein.

In the embodiment provided by the present disclosure, the rail actuator may further include a flexible protection member 81 and a decoration member 82 connected to the guide mechanism 1, a lower end of the decoration member 82 is provided with a mounting groove 83 opening toward the substrate 6, and the flexible protection member 81 is disposed in the mounting groove 83. Thus, the flexible contact between the flexible protection member 81 and the substrate 6 can reduce the vibration of the substrate 6 during the movement, and prevent the contamination of the working environment in the guide groove 10 by the foreign matters such as mosquitoes. The flexible protection member 81 may be a brush, or any other suitable sponge or cotton cloth, and may be flexibly disposed according to the material of the substrate 6 and the use environment.

In order to enable the running gear 4 to move accurately to a required position, the guide groove 10 is provided with a stop piece 13 for limiting the moving range of the running gear 4, thereby preventing the running gear 4 from exceeding the moving range and influencing the final position of the base plate 6.

Wherein, end position piece 13 and can be the rubber pad, also can be limit baffle, still can be for spacing support, and technical personnel in the field can set up according to actual conditions is nimble.

In an embodiment of the present disclosure, the rail transmission further includes: a detection device for detecting current position information of the substrate 6; and a controller which is respectively connected with the detection device and the switch of the power supply in a communication way, wherein the threshold value of the position of the substrate 6 is preset in the controller. When the controller determines that the current position information of the substrate 6 is within the threshold, the power supply remains in the on state, thereby maintaining the substrate in the scattering (light-transmitting opaque) state.

In particular, the detection means may be a photoelectric displacement sensor and/or a distance sensor; the controller may be a combination of control circuitry and a PLC programmable controller.

In addition, the detection device may be a travel switch, and the controller may be a control circuit, for which a person skilled in the art may flexibly configure the types of the detection device and the controller according to the basic concept of the present disclosure, without limitation.

The present invention is not limited to the above-described alternative embodiments, and various other embodiments can be obtained by those skilled in the art from the above-described embodiments in any combination, and any other embodiments can be obtained in various forms while still being within the spirit of the present invention. The above detailed description should not be taken as limiting the scope of the utility model, which is defined in the claims, and which the description is intended to be interpreted accordingly.

Claims (10)

1. A magnetically levitated U-track actuator for a substrate, the track actuator comprising: the guide mechanism (1) is used for connecting a wall body (5); the permanent magnet linear driving mechanism (2) is used for generating magnetic force when electrified; the permanent magnet assembly (3) is configured into a structure matched with the permanent magnet linear driving mechanism (2); and a running mechanism (4) for connecting the substrate (6);

at least one side of the guide mechanism (1) is provided with a guide groove (10) extending along the length direction of the wall body (5), a conductive rail (14) and a conductive rod (15) embedded in the conductive rail (14) are arranged in the guide groove (10), and the conductive rod (15) is electrically connected to a power supply; the permanent magnet linear driving mechanism (2) is connected to the guide mechanism (1), and the extension direction of the permanent magnet linear driving mechanism is parallel to the extension direction of the guide groove (10);

carbon brushes (20) used for being in contact with the conductive rods (15) are arranged at two ends of the permanent magnet linear driving mechanism (2), so that when the carbon brushes (20) are in contact with the conductive rods (15), the substrate (6) can be powered on; the permanent magnet assembly (3) is connected with the running mechanism (4) so that the running mechanism (4) can move along the guide groove (10) under the driving of the permanent magnet linear driving mechanism (2).

2. Magnetic levitation U-shaped track transmission for baseplates according to claim 1, wherein the guide slot (10) is provided with two pairs of stops in the vertical direction, which divide the guide slot (10) into: the mounting layer (101) is used for mounting the permanent magnet linear driving mechanism (2), the limiting layer (102) is used for limiting the moving range of the permanent magnet assembly (3), and the guide rail layer (103) is movably connected with the running mechanism (4), wherein the mounting layer (101), the limiting layer (102) and the guide rail layer (103) are sequentially arranged in the vertical direction.

3. The magnetic suspension U-shaped rail transmission device for the baseplate as claimed in claim 2, wherein the limiting member comprises a first boss (71) and a second boss (72) which are symmetrically arranged, wherein the gap between the first bosses (71) is smaller than the width of the permanent magnet linear driving mechanism (2), and the gap between the second bosses (72) is smaller than the width of the permanent magnet assembly (3).

4. The magnetic levitation U-shaped track transmission device for base plates according to claim 1, wherein the running gear (4) comprises a connection assembly and a rolling assembly which is matched with the guide groove (10), one end of the connection assembly is connected to the permanent magnet assembly (3), and the other end is connected to the base plate (6); the rolling assembly is rotatably connected to the connecting assembly.

5. The magnetic levitation U-shaped track transmission device for base plates as claimed in claim 4, wherein the connection assembly comprises a mounting part (41) embedded with the permanent magnet assembly (3) and a hanger (42) in threaded connection with the mounting part (41), the hanger (42) being in threaded connection with the base plate (6).

6. The magnetic levitation U-shaped track transmission device for base plates as claimed in claim 4, wherein the rolling assembly comprises connecting shafts (43) and bearing wheels (44), the connecting shafts (43) are horizontally connected to the connecting assembly, the bearing wheels (44) are configured in two groups and are respectively disposed at both ends of the connecting shafts (43) and are disposed in the guide grooves (10).

7. The magnetic levitation U-shaped rail transmission device for the base plate as recited in claim 6, wherein the rolling assembly further comprises bearings (45) disposed in one-to-one correspondence with the bearing wheels (44), and the bearing wheels (44) are connected to the connecting shaft (43) through the bearings (45).

8. Magnetic levitation U-shaped track transmission device for base plates according to claim 1, characterized in that the guiding mechanism (1) comprises a positioning member (11) for fixed connection to the wall (5) and a guiding member (12) connected to the positioning member (11), wherein the guiding groove (10) is arranged on the guiding member (12) and the opening direction of the guiding groove (10) is downward.

9. The magnetic levitation U-shaped rail driving device for a base plate as claimed in claim 1, further comprising a flexible shielding member (81) and a decoration member (82) connected to the guide mechanism (1), wherein a lower end of the decoration member (82) is provided with a mounting groove (83) opened toward the base plate (6), and the flexible shielding member (81) is disposed in the mounting groove (83).

10. A magnetic levitation U-shaped track transmission device for a substrate as claimed in any one of claims 1 to 9, further comprising:

a detection device for detecting current position information of the substrate (6); and

the controller is respectively in communication connection with the detection device and the switch of the power supply, and a threshold value of the position of the substrate (6) is preset in the controller;

and when the controller judges that the current position information of the substrate (6) is within the threshold value, the power supply is switched on.

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