CN211928872U - Suspension frame matched with suspension track and magnetic suspension model vehicle body - Google Patents
Suspension frame matched with suspension track and magnetic suspension model vehicle body Download PDFInfo
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- CN211928872U CN211928872U CN202020935459.1U CN202020935459U CN211928872U CN 211928872 U CN211928872 U CN 211928872U CN 202020935459 U CN202020935459 U CN 202020935459U CN 211928872 U CN211928872 U CN 211928872U
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- 239000000725 suspension Substances 0.000 title claims abstract description 201
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 68
- 230000006698 induction Effects 0.000 claims abstract description 42
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims description 14
- 239000005060 rubber Substances 0.000 claims description 14
- 238000005339 levitation Methods 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model belongs to the field of magnetic suspension model display, and provides a suspension frame matched with a suspension track and a magnetic suspension model vehicle body, which comprises a beam (1), an anti-rolling beam component (2), a bracket arm (3), a linear induction motor (4), an elastic supporting column (5), an electromagnet connecting shaft (7) and a current collector connecting plate (8); the crossbeam (1) and the anti-rolling beam assembly (2) form a square-shaped suspension walking device under the support and fixation of the supporting arm (3); the beam (1) is parallel to the extending direction of the suspension track; the linear induction motor (4) is arranged along the direction of the beam (1); the elastic support columns (5) are used for connecting and supporting the magnetic suspension model vehicle body and realizing decoupling; the electromagnet connecting shaft is used for fixedly connecting an electromagnet; a set gap is kept between the electromagnet and an F-shaped track in the suspension track under the control of a magnetic suspension model vehicle controller; the current collector connecting plate (8) is arranged at the foot part of each supporting arm (3) and is connected with the sliding contact rail shoe of the suspension rail.
Description
Technical Field
The utility model discloses generally relate to magnetic suspension principle model show field, specifically relate to one kind with suspension track and magnetic suspension model automobile body complex suspension frame.
Background
The normal-conductive magnetic-attraction type maglev train utilizes normal-conductive electromagnets (suspension electromagnets) arranged at the bottoms of the two sides of a suspension frame and ferromagnetic components laid on a line guide rail, the electromagnetic attraction generated under the action of a magnetic field enables a train to float, and the linear induction motors on the two sides of the suspension frame and induction aluminum plates on a track interact with each other to draw the train to move forwards. The suspension frame is used as a core component of the magnetic suspension train, consists of basic mechanisms of a left suspension module, a right suspension module, a left traction motor, a right traction motor and a pair of anti-rolling beams, and is a foundation for realizing suspension, guidance and driving of the magnetic suspension train.
In the field of miniaturized model display of the principle of a maglev train, a common maglev model car is designed in a way that permanent magnets and electromagnetic tracks repel each other and suspend, a suspension frame of the maglev model car is single in structure, the area of the electromagnetic permanent magnets is large, the structure is complex, traction motion is avoided, and the suspension principle of the maglev model car is obviously different from that of an actual medium-low speed maglev train. The magnetic suspension model car adopting electromagnetic suspension can more intuitively and reasonably show the running principle of the medium and low speed magnetic suspension train in actual running, so that more people can know the basic principle of the magnetic suspension train in a short distance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at in the aspect of maglev train principle and model show, traditional electromagnetism permanent magnetism mixed suspension model system exists that the mechanism is complicated, area is big to and with the defect of the big aspect of waiting of actual low-speed maglev train suspension/traction principle difference, provide one kind with suspension track and maglev model automobile body complex suspension frame, it is based on the electromagnetism principle of suspending, through the ferromagnetic F type track on the suspension track with the utility model discloses the electro-magnet on the suspension frame produces suction and realizes the stable suspension of suspension frame and upper portion maglev model automobile body to suspension, direction and the structure of pulling that the simple structure that matches with this electromagnetism principle of suspending is compact are provided.
The technical scheme of the utility model is that a suspension frame matched with a suspension track and a magnetic suspension model vehicle body is erected above the suspension track and used for bearing and fixing the magnetic suspension model vehicle body, and the suspension track comprises a sliding contact track shoe, an F-shaped track and an aluminum induction plate; the magnetic suspension model vehicle body comprises a controller, and the suspension frame comprises a cross beam, an anti-rolling beam assembly, a supporting arm, a linear induction motor, an elastic supporting column, an electromagnet connecting shaft and a current collector connecting plate; the two beams are parallel to the extending direction of the suspension track; the supporting arms comprise 4 same supporting arms which are respectively arranged at four end parts of the cross beam, and the end parts of the cross beam are fixedly connected in the mounting seat at the top of each supporting arm; the anti-rolling beam assembly comprises 2 groups vertical to the cross beam, the 2 groups are respectively embedded into supporting arms at the front end and the rear end of the cross beam and form a square structure with the cross beam, basic support is provided for a magnetic suspension model vehicle body, and a suspension walking device is formed; the linear induction motor is arranged along the direction of the cross beam and is used for forming a traveling wave magnetic field with the aluminum induction plate on the suspension track to obtain horizontal forward traction force; the elastic supporting columns are used for connecting and supporting the magnetic suspension model car body and realizing the decoupling of the magnetic suspension model car body in the suspension and advancing processes, are made of elastic rubber, and meet the decoupling of the suspension walking device by virtue of the compressible and twistable characteristics of the elastic rubber; the air spring is complex in structure, is used in the field of model vehicles, is replaced by the elastic support column due to inappropriate design cost, manufacturing cost and the like, is simple in structure, and can realize decoupling of the vehicle body and the suspension frame; the number of the electromagnet connecting shafts is 4, the electromagnet connecting shafts are respectively arranged on the inner side of each supporting arm, one end of each supporting arm is fixed on the supporting arm, the other end of each supporting arm is connected with an electromagnet, and one electromagnet is fixed on the front and the rear electromagnet connecting shafts in the same direction with the cross beam; the electromagnet is a controller in the magnetic suspension model car body, and a set gap is kept between the electromagnet and an F-shaped track in a suspension track by adjusting the current; the current collector connecting plate is arranged at the foot part of each supporting arm and is connected with the sliding contact rail shoe of the suspension rail.
Furthermore, the utility model discloses still include the support leading wheel, the support leading wheel includes four at least, four support leading wheels set up the inboard in four trailing arms upper ends respectively for make under the condition that does not have suspension force the suspension frame form support or slide on the suspension track, and it is made by the nylon material for to the protection of suspension track when not suspending.
Further, the utility model discloses still include proximity inductive switch, proximity inductive switch includes two, sets up respectively the both ends of suspension frame walking direction are close inductive switch and the internal controller of magnetic suspension model car and are connected for response walking direction switching-over point position data and give this data transmission for the controller, the controller form control to linear induction motor carries the instruction of pulling the switching-over.
Further, the utility model discloses still include spacing elastic rubber, spacing elastic rubber includes two, sets up respectively the both ends of suspension frame walking direction are used for forming mechanical protection under the magnetic suspension model automobile body switching-over inefficacy condition to avoid dashing out the suspension track.
Furthermore, above-mentioned anti-roll beam subassembly includes the joint spare to cooperate with magnetic suspension model automobile body bottom and prevent that the magnetic suspension model automobile body from leading to rolling because of sudden start or stopping.
Furthermore, the two linear induction motors are respectively arranged below the two cross beams.
Further, the linear induction motor comprises 1 linear induction motor arranged between the two cross beams.
The number of the linear induction motors, the positions on the suspension rack and the close relation between the aluminum induction plates on the suspension track can realize induction by correspondingly arranging the linear induction motors and the aluminum induction plates up and down and keeping certain gaps as long as the suspension rack is supported above the suspension track.
The linear induction motor includes: the stator mounted on the suspension frame, called as the primary of the motor and the aluminum induction plate laid along the track, is used as the secondary of the motor, and when the primary is electrified with alternating current, a traveling wave magnetic field which moves linearly is generated.
Furthermore, the number of the elastic support columns is at least 4, and the elastic support columns are respectively arranged on the four support arms to form elastic supports for the magnetic suspension model vehicle body, so that decoupling is facilitated.
Furthermore, the cross beam comprises two sections in the length direction, a rotatable adjusting plate is arranged on the connecting portion of the two sections, and the rotatable adjusting plate is convenient for installation and fixation of the cable of the electromagnet and the linear induction motor.
Furthermore, the supporting guide wheel is fixedly connected to the supporting arm.
Compared with the prior art, the utility model discloses an advance point lies in:
1) the utility model utilizes the electromagnet fixed on the suspension frame to match with the F-shaped track, and the electromagnet and the F-shaped track are mutually attracted under the control of the controller, so that the suspension frame is upwards attracted and suspended to a preset distance away from the F-shaped track; compared with the suspension generated by the repulsion of the permanent magnet and the electromagnetic track, the magnetic suspension device can embody the medium-low speed magnetic suspension technology on the principle and function; the electromagnetic attraction suspension device is matched with a small magnetic suspension model vehicle body and a suspension track for use, so that the required volume and the manufacturing cost of the magnet are saved by realizing the electromagnetic attraction suspension;
2) the direct current induction motor of the utility model is matched with the aluminum induction plate of the suspension track to form the suspension frame and the horizontal advancing traction force of the magnetic suspension model car body on the suspension frame, so that the raw materials are more available and the cost is lower;
3) the design of the supporting arm is simplified, the elastic supporting columns replace an air spring structure, the transverse moving decoupling of the magnetic suspension model vehicle on the suspension frame is simplified, and the vibration is reduced;
4) the front end and the rear end of the suspension frame are provided with proximity inductive switches and limiting anti-collision rubber for realizing reversing motion and carrying out safety protection on the magnetic suspension model car in time.
The utility model discloses an electromagnetism attraction control suspension design is compared in permanent magnetism suspension design, does not only need the permanent magnet of large tracts of land to overcome the permanent magnet and compared in ordinary metal material, with high costs, the defect of difficult processing, traditional permanent magnet permanent magnetism repulsion can't form stable suspension simultaneously, need add electromagnetism supplementary could form stable suspended state, moreover along with time lapse, permanent magnet self magnetism can fade, and later maintenance is with high costs, and the utility model discloses only need through controller control current, make electro-magnet and F rail form stable magnetic field, can realize the electro-magnet on the suspension frame apart from the stable suspension of F type track predetermined distance. Therefore, the method has obvious advantages in the field of miniature model display of the principle of the magnetic levitation train.
Drawings
These and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the following detailed description of the embodiments of the invention, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a suspension frame cooperating with a suspension track and a magnetic suspension model vehicle body according to an embodiment of the present invention;
wherein: 1-a cross beam, 2-an anti-rolling beam assembly, 3-a supporting arm, 4-a linear induction motor, 5-an elastic supporting column, 6-a supporting guide wheel, 7-an electromagnet connecting shaft, 8-a current collector connecting plate, 9-a proximity induction switch and 10-limit elastic rubber;
fig. 2 is a schematic structural diagram of the whole suspension frame, the suspension track and the magnetic suspension model car body after being matched, wherein 11-electromagnet;
fig. 3 is the schematic structural diagram of the magnetic levitation model car body head direction after the suspension frame is matched with the suspension track and the magnetic levitation model car body.
Detailed Description
In order to better understand the present invention for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
A suspension frame matched with a suspension track and a magnetic suspension model vehicle body is erected above the suspension track and used for bearing and fixing the magnetic suspension model vehicle body, wherein the suspension track comprises a sliding contact track shoe, an F-shaped track and an aluminum induction plate; the magnetic suspension model vehicle body comprises a controller, and the structure diagram of the suspension frame is shown in figure 1 and comprises a cross beam 1, an anti-rolling beam assembly 2, a supporting arm 3, a linear induction motor 4, an elastic supporting column 5, an electromagnet connecting shaft 7 and a current collector connecting plate 8; the cross beam 1 comprises two beams parallel to the extending direction of the suspension track; the supporting arms 3 comprise 4 same supporting arms and are respectively arranged at four end parts of the cross beam 1, and the end parts of the cross beam are fixedly connected to the inner side of the upper end of each supporting arm; the anti-rolling beam assembly 2 comprises 2 groups vertical to the cross beam 1, and is respectively embedded into supporting arms 3 at the front end and the rear end of the cross beam 1 to form a square structure with the cross beam 1, so as to provide basic support for a magnetic suspension model vehicle body and form a suspension walking device; the linear induction motor 4 is arranged along the direction of the cross beam 1, corresponds to the upper and lower positions of the aluminum induction plate on the suspension track and keeps a certain gap to obtain horizontal forward traction force; the elastic supporting columns 5 are used for connecting and supporting the magnetic suspension model car body and are made of elastic rubber, and the decoupling of the suspension walking device and the car body is met by means of the compressibility and the twistability of the elastic rubber; the electromagnet connecting shafts 7 comprise 4 electromagnet connecting shafts, the inner sides of the lower ends of the support arms are respectively provided, one end of each electromagnet connecting shaft is fixed on the support arm, the other end of each electromagnet connecting shaft is connected with an electromagnet, and one electromagnet is fixed on the front and the rear electromagnet connecting shafts in the same direction with the cross beam 1; the electromagnet is controlled by a controller in a magnetic suspension model car body through adjusting the current, so that dynamic suspension suction force is generated between the electromagnet and an F-shaped track in a suspension track, and the relative stable suspension of a certain distance (8-12mm) between a suspension frame and the suspension track is realized; the current collector connecting plate 8 is arranged at the foot part of each supporting arm 3 and is connected with the sliding contact rail shoes of the suspension rails.
As the preferred scheme that makes the suspension frame form support or slide on the suspension track under the condition of not having suspension power, the utility model discloses still design including supporting leading wheel 6, supporting leading wheel 6 includes at least four, four support leading wheels set up on the trailing arm upper end inside wall along the central line between two crossbeams respectively.
As the square preferred scheme of the suspension walking of in time control suspension running gear, the utility model discloses still design including proximity inductive switch 9, proximity inductive switch 9 includes two, sets up respectively the both ends of suspension frame walking direction are close inductive switch 9 and are connected with the controller of magnetic suspension model automobile body for response walking direction switching-over point position data and give the controller with this data transmission, the controller form control to linear induction motor 4 carries the instruction of pulling the switching-over.
The utility model discloses still design and include spacing elastic rubber 10, spacing elastic rubber 10 includes two, sets up respectively the both ends of suspension frame walking direction are used for forming mechanical protection under the magnetic suspension model automobile body switching-over inefficacy condition to avoid dashing out the suspension track
Preferably, the anti-rolling beam assembly 2 comprises a clamping member to be matched with the bottom of the magnetic suspension model car body to prevent the magnetic suspension model car body from rolling due to sudden starting or stopping.
In order to adapt to the structure of the suspension track, the linear induction motors 4 can be designed to comprise two linear induction motors which are respectively arranged below the two cross beams.
For the same purpose, the linear induction motor 4 can be designed to comprise 1 linear induction motor, and is arranged between two cross beams.
In order to provide stable and reliable support, the number of the elastic support columns 5 is preferably at least 4, and the elastic support columns are respectively arranged on the four support arms to form elastic support for the magnetic suspension model vehicle body so as to facilitate the decoupling from the vehicle body.
The utility model discloses a crossbeam 1 includes two sections at length direction, and two sections connecting portion set up rotatable regulating plate, through rotatable regulating plate carries out the installation and the fixing of connecting cable between connecting cable and linear induction motor 4 and the controller between electro-magnet and the controller.
In order to increase the safety and the support stability, the support guide wheels 6 are preferably fixedly connected to the trailing arm.
Fig. 2 and fig. 3 show the schematic structural diagram of the suspension rack after being matched with the suspension track and the magnetic suspension model vehicle body according to the embodiment of the present invention, it can be seen that the electromagnet is in the lower space of the F-shaped track, the dynamic stable suspension can be realized by controlling the magnitude of the input current in the controller, the suspension rack is supported on the track by the support guide wheel under the condition of no suspension force, and the suspension rack can slide along the track.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A suspension frame matched with a suspension track and a magnetic suspension model vehicle body is erected above the suspension track and used for bearing and fixing the magnetic suspension model vehicle body, wherein the suspension track comprises a sliding contact track shoe, an F-shaped track and an aluminum induction plate; the magnetic suspension model vehicle body comprises a controller and is characterized in that,
the suspension frame comprises a cross beam (1), an anti-rolling beam assembly (2), a support arm (3), a linear induction motor (4), an elastic support column (5), an electromagnet connecting shaft (7) and a current collector connecting plate (8);
the cross beam (1) comprises two beams parallel to the extending direction of the suspension track;
the supporting arms (3) comprise 4 same supporting arms and are respectively arranged at four end parts of the cross beam (1), and the end parts of the cross beam are fixedly connected to the side end of each supporting arm;
the anti-rolling beam assembly (2) comprises 2 groups vertical to the cross beam (1), and the 2 groups are respectively embedded into supporting arms (3) at the front end and the rear end of the cross beam (1) to form a square structure with the cross beam (1) so as to provide basic support for a magnetic suspension model vehicle body and form a suspension walking device;
the linear induction motor (4) is arranged along the direction of the beam (1), is connected with a controller in the magnetic suspension model vehicle body, and forms a traveling wave magnetic field with an aluminum induction plate on the suspension track under the action of the controller, so that the suspension frame obtains a horizontal forward traction force;
the elastic supporting columns (5) are used for connecting and supporting the magnetic suspension model vehicle body and realizing the decoupling of the magnetic suspension model vehicle body and the suspension frame in the suspension and advancing processes, are made of elastic rubber, and meet the decoupling of the magnetic suspension model vehicle body and the suspension walking device by means of the compressibility and twistability characteristics of the elastic rubber;
the number of the electromagnet connecting shafts (7) is 4, the electromagnet connecting shafts are respectively arranged on the inner side of each supporting arm, one end of each supporting arm is fixed on the supporting arm, the other end of each supporting arm is connected with an electromagnet, and one electromagnet is fixed on the front and the rear electromagnet connecting shafts in the same direction with the cross beam (1); the electromagnet is controlled by a controller in the magnetic suspension model car body, and the current is adjusted by the controller to keep a set gap with an F-shaped track in the suspension track;
the current collector connecting plate (8) is arranged at the foot part of each supporting arm (3) and is connected with the sliding contact rail shoe of the suspension rail.
2. Suspension frame for co-operation with a levitation track and a maglev model car body according to claim 1,
the suspension frame is characterized by further comprising at least four supporting guide wheels (6), wherein the four supporting guide wheels are arranged on the inner sides of the upper ends of the four supporting arms and used for enabling the suspension frame to form guiding support or guiding sliding on the suspension rail under the condition of no suspension force, and the suspension frame is made of nylon materials and used for protecting the suspension rail when the suspension rail is not suspended.
3. Suspension frame for co-operation with a levitation track and a maglev model car body according to claim 1,
the magnetic levitation suspension model is characterized by further comprising two proximity inductive switches (9), wherein the two proximity inductive switches (9) are arranged at two ends of the traveling direction of the levitation frame respectively, the proximity inductive switches (9) are connected with a controller in the magnetic levitation model body and used for sensing position data of a reversing point in the traveling direction and sending the data to the controller, and the controller forms a control direction to the linear induction motor (4) to transmit a traction reversing instruction.
4. The suspension frame matched with the suspension track and the magnetic suspension model car body according to claim 1, further comprising two groups of limiting elastic rubbers (10), wherein the two groups of limiting elastic rubbers (10) are respectively arranged at two ends of the suspension frame in the walking direction and used for mechanical protection under the condition of reversing failure of the magnetic suspension model car body so as to prevent the suspension frame from rushing out of the suspension track.
5. Suspension frame for co-operation with a levitation track and a maglev model car body according to claim 1,
the anti-rolling beam assembly (2) comprises a clamping piece and is matched with the bottom of the magnetic suspension model car body to prevent the magnetic suspension model car body from rolling due to sudden starting or stopping.
6. Suspension frame cooperating with a suspended track and a maglev model car body according to claim 1, characterized in that the linear induction motors (4) comprise two groups, each arranged below two crossbeams.
7. Suspension frame cooperating with a suspended track and a maglev model car body according to claim 1, characterized in that the linear induction motors (4) comprise 1 group, arranged between two cross beams.
8. Suspension frame cooperating with a levitation track and a maglev model vehicle body according to claim 1, wherein the number of the elastomeric support columns (5) is at least 4, and the elastomeric support columns are respectively arranged on four support arms to form an elastomeric support for the maglev model vehicle body, so as to facilitate the decoupling of the maglev model vehicle body from the suspension frame.
9. The levitation frame coupled with a levitation track and a maglev model car body according to claim 1, wherein the beam (1) comprises two sections in the length direction, the connection part of the two sections is provided with a rotatable adjusting plate, and the installation and fixation of the connection cable between the electromagnet and the controller and the connection cable between the linear induction motor (4) and the controller are performed through the rotatable adjusting plate.
10. Suspension frame for co-operation with a levitation track and a maglev model vehicle body according to claim 2, characterised in that the supporting and guiding wheels (6) are fixedly connected to the trailing arm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020935459.1U CN211928872U (en) | 2020-05-28 | 2020-05-28 | Suspension frame matched with suspension track and magnetic suspension model vehicle body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020935459.1U CN211928872U (en) | 2020-05-28 | 2020-05-28 | Suspension frame matched with suspension track and magnetic suspension model vehicle body |
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| CN211928872U true CN211928872U (en) | 2020-11-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023077572A1 (en) * | 2021-11-03 | 2023-05-11 | 中车长春轨道客车股份有限公司 | Tractor for magnetic levitation vehicle |
-
2020
- 2020-05-28 CN CN202020935459.1U patent/CN211928872U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023077572A1 (en) * | 2021-11-03 | 2023-05-11 | 中车长春轨道客车股份有限公司 | Tractor for magnetic levitation vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A suspension frame matched with suspension track and maglev model car body Effective date of registration: 20221031 Granted publication date: 20201113 Pledgee: China Construction Bank Co.,Ltd. Changsha Xiangjiang Branch Pledgor: HUNAN LINGXIANG MAGNETIC LEVITATION TECHNOLOGY CO.,LTD. Registration number: Y2022430000094 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201113 Pledgee: China Construction Bank Co.,Ltd. Changsha Xiangjiang Branch Pledgor: HUNAN LINGXIANG MAGNETIC LEVITATION TECHNOLOGY CO.,LTD. Registration number: Y2022430000094 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A suspension frame that cooperates with a suspended track and a magnetic levitation model vehicle body Granted publication date: 20201113 Pledgee: China Construction Bank Co.,Ltd. Changsha Xiangjiang Branch Pledgor: HUNAN LINGXIANG MAGNETIC LEVITATION TECHNOLOGY CO.,LTD. Registration number: Y2024980034235 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |