CN110667604A - Aerial rail car, aerial rail and aerial rail transit system - Google Patents

Aerial rail car, aerial rail and aerial rail transit system Download PDF

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Publication number
CN110667604A
CN110667604A CN201911101784.6A CN201911101784A CN110667604A CN 110667604 A CN110667604 A CN 110667604A CN 201911101784 A CN201911101784 A CN 201911101784A CN 110667604 A CN110667604 A CN 110667604A
Authority
CN
China
Prior art keywords
running
rail
track
car
aerial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911101784.6A
Other languages
Chinese (zh)
Inventor
符策
王鑫
刘金钢
郑智午
李凌宇
刘志超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Maritime University
Original Assignee
Dalian Maritime University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian Maritime University filed Critical Dalian Maritime University
Priority to CN201911101784.6A priority Critical patent/CN110667604A/en
Publication of CN110667604A publication Critical patent/CN110667604A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61BRAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B3/00Elevated railway systems with suspended vehicles
    • B61B3/02Elevated railway systems with suspended vehicles with self-propelled vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B61C9/48Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/38Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • E01B25/22Tracks for railways with the vehicle suspended from rigid supporting rails
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • E01B25/22Tracks for railways with the vehicle suspended from rigid supporting rails
    • E01B25/24Supporting rails; Auxiliary balancing rails; Supports or connections for rails

Abstract

The invention discloses an aerial rail car, an aerial rail and an aerial rail traffic system, which comprises a rail arranged in the air and a vehicle suspended on the rail to run, wherein the vehicle comprises a car body, a gravity center adjusting mechanism arranged at the top of the car body and a running mechanism arranged on the gravity center adjusting mechanism; the track comprises an inner driving surface arranged in the track and outer driving surfaces arranged on two sides of the track; the walking mechanism comprises a walking wheel set and steering wheel sets arranged on two sides of the walking wheel set, the walking wheel set runs on an inner walking surface, and the steering wheel sets run on an outer walking surface and can turn over to two sides to leave the outer walking surface; the gravity center adjusting mechanism can enable the vehicle body to move left and right relative to the running mechanism. According to the air rail transit system capable of running stably, the plurality of running surfaces are arranged on the rail, so that a plurality of force application points are arranged between the rail car and the rail, the stability of the rail car is improved, the steering with a small turning radius can be realized by independently controlling the car, the adaptability is good, and the control is simple and convenient.

Description

Aerial rail car, aerial rail and aerial rail transit system
Technical Field
The invention relates to the field of aerial rail transit, in particular to an aerial rail car, an aerial rail and an aerial rail transit system.
Background
In recent years, with the high-speed development of national economy and the continuous increase of the ownership rate of private cars, a large number of private cars are rushed into urban roads, the number of vehicles is increased faster than the bearing capacity of the roads, traffic congestion becomes a common phenomenon, the traffic transportation efficiency is greatly reduced, and the normal life of people is seriously influenced. The air rail transit system effectively solves the pain point of the current social traffic problem, can effectively relieve urban traffic pressure on the basis of not expanding the existing road and bridge facilities of the city, and has lower cost and higher efficiency compared with rail urban transit systems such as subways, light rails and the like.
However, the track in the existing empty rail system is designed as a single track, the stability of the rail car is poor, and when the rail car turns, the vehicle can incline at a certain angle under the action of inertia and shake, so that the comfort of riding the vehicle is greatly influenced, and potential safety hazards are generated on the safe running of the rail car.
Disclosure of Invention
The invention provides an aerial rail car, an aerial rail and an aerial rail transit system, which can improve the stability of the rail car, reduce the inclination angle of the car during turning and improve the comfort and the safety.
An aerial rail car comprises a car body, a gravity center adjusting mechanism arranged at the top of the car body and a travelling mechanism arranged on the gravity center adjusting mechanism;
the vehicle body runs on the track through the running mechanism, and the gravity center adjusting mechanism can enable the vehicle body to move left and right relative to the running mechanism.
Furthermore, the gravity center adjusting mechanism comprises a guide rail fixed to the top of the vehicle body and a connecting seat fixed below the traveling mechanism, the connecting seat is connected with the guide rail through a groove, a transmission mechanism is further arranged below the connecting seat, a motor is fixed to the top of the vehicle body, and the motor enables the vehicle body to move along the guide rail through the transmission mechanism.
Furthermore, the transmission mechanism comprises a screw rod arranged in parallel with the guide rail and a nut matched with the screw rod, the screw rod is fixed below the connecting seat, the nut is rotationally fixed at the top of the vehicle body, and the motor drives the vehicle body to move along the guide rail through the nut and the screw rod.
Furthermore, auxiliary wheels are arranged on the walking wheel set and the steering wheel set, and the auxiliary wheels are driven wheels.
An aerial track comprises two inner running faces arranged in the track and outer running faces arranged on two sides of the track; the track is adapted to be driven by an aerial rail vehicle as claimed in any one of the preceding claims.
Furthermore, a branch track is arranged on the track, at least one inner driving surface of the branch track is connected with the inner driving surface of the track, and at least one outer driving surface of the branch track is connected with the outer driving surface of the track.
Furthermore, a roundabout is arranged at the intersection of the three or more tracks, the roundabout comprises a first inner running surface, a second inner running surface, a first outer running surface and a second outer running surface, the running wheel sets run on the first inner running surface and the second inner running surface, the steering wheel sets run on the first outer running surface and the second outer running surface, the first inner running surface and the first outer running surface are closed circles, the second inner running surface is connected with the inner running surface of the tracks, and the second outer running surface is connected with the outer running surface of the tracks.
Furthermore, a platform track is arranged on the track, two ends of at least one inner running surface of the platform track are connected with the same inner running surface of the track, and two ends of at least one outer running surface of the platform track are connected with the same outer running surface of the track.
An aerial rail transit system comprising the aerial rail car of claim and the aerial rail of claim.
Furthermore, the travelling mechanism comprises a travelling wheel set and steering wheel sets arranged on two sides of the travelling wheel set, the travelling wheel set runs on the inner travelling surface, and the steering wheel sets run on the outer travelling surface and can turn over to two sides to leave the outer travelling surface;
the invention provides an aerial rail car, an aerial rail and an aerial rail traffic system, which improve the stability of the rail car, reduce the inclination angle of the car when turning, improve the comfort level and the safety, and are provided with a plurality of running surfaces on the rail car, and the running wheel set and the steering wheel set are arranged on the rail car, and run on the plurality of running surfaces, so that a plurality of force points are arranged between the rail car and the rail, the stability of the rail car when running is improved, the rail can be controlled without controlling the rail, the steering with small turning radius is realized only by controlling the steering wheel set, the adaptability is good, and the control mode is simple and convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an aerial rail car and an aerial rail according to the present disclosure;
FIG. 2 is a schematic structural view of an aerial railcar according to the present invention, wherein a steering wheel set is in a normal driving state;
FIG. 3 is a schematic cross-sectional view taken along direction E in FIG. 2;
FIG. 4 is a schematic structural view of an aerial railcar according to the present invention, illustrating a turning wheel set in a flipped state;
FIG. 5 is a schematic structural diagram of an air rail transit system according to the present invention;
FIG. 6 is a schematic structural diagram of a rotary island according to the present invention;
FIG. 7 is a schematic diagram of a fork structure according to the present invention.
In the figure:
1. a track; 11. an inner driving surface; 12. an outer driving surface; 2. a vehicle body; 3. a center of gravity adjusting mechanism; 31. a connecting seat; 32. a guide rail; 33. a transmission mechanism; 34. a groove; 35. a motor; 331. a screw; 332. a nut; 4. a traveling mechanism; 41. a traveling wheel set; 42. a steering wheel group; 43. an auxiliary wheel; 5. a ring island; 51. a first inner running surface; 52. a second inner driving surface; 53. a first outer running surface; 54. a second outer running surface; 6. a platform track; 7. a branch track.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an air rail car comprises a car body 2, a gravity center adjusting mechanism 3 arranged at the top of the car body 2 and a running mechanism 4 arranged on the gravity center adjusting mechanism 3; the vehicle body 2 travels on the track 1 via the traveling mechanism 4, and the center-of-gravity adjusting mechanism 3 can move the vehicle body 2 left and right with respect to the traveling mechanism 4.
The track 1 that aerial railcar traveles is set up in the sky, and aerial railcar hangs below track 1, and the wheel in the running gear traveles on track 1, and aerial railcar passes through running gear 4 and moves on track 1.
The track 1 comprises two inner driving surfaces 11 arranged in the track 1 and outer driving surfaces 12 arranged at two sides of the track 1; a branch track 7 is arranged on the track 1; the branch track 7 has at least one inner running surface 11 connected to the inner running surface 11 of the track 1, and the branch track 7 has at least one outer running surface 12 connected to the outer running surface 12 of the track 1. The outer driving surface and the inner driving surface on the same side of the track are disconnected and are connected with the branch track, the two ends of the disconnection of the outer driving surface of the track are respectively connected with the two outer driving surfaces of the branch track, and the two ends of the disconnection of the inner driving surface on the same side are respectively connected with the two inner driving surfaces of the branch track. The branch track can also be connected with an inner driving surface and an outer driving surface at one end of the incoming direction of the disconnected track.
The traveling mechanism 4 comprises a traveling wheel group 41 and steering wheel groups 42 arranged on two sides of the traveling wheel group 41, the traveling wheel group 41 runs on the inner traveling surface 11, and the steering wheel groups 42 run on the outer traveling surface 12 and can turn over to two sides to leave the outer traveling surface 12;
the lower part of the section of the track 1 is in the shape of two inverted T, and the upper parts of the track 1 can be connected together or arranged in a split way. The two inverted T-shaped tracks 1 provide four driving surfaces, two adjacent driving surfaces in the middle are inner driving surfaces, and the driving surfaces on two sides of the outer driving surfaces are outer driving surfaces. The running wheel set 41 is composed of two rows of driving wheels, the two rows of driving wheels respectively run on the two inner running surfaces 11, the two sides of the running wheel set 41 are respectively provided with a steering wheel set 42, the steering wheel set 42 is a row of driving wheels, and the running wheels run on the outer running surface 12 on one side of each steering wheel set 42. The steering wheel sets 42 can be turned to one side of each steering wheel set 42, the wheels of the steering wheel sets 42 are enabled to leave the outer driving surface 12, in the embodiment, the turning of the steering wheel sets 42 is controlled by the steering engine, and the instant centers of the rotation of the steering wheel sets 42 are located on the outer sides of the central lines of the tracks 1, so that the two steering wheel sets 42 can be guaranteed to be opened and closed smoothly without being limited by the tracks 1.
When the vehicle passes through the branch track 7 shown in fig. 7 (i.e., turns to one side), the steering wheel set 42 on the other side (the side opposite to the turning direction) is turned sideways, so that the steering wheel set 42 on the one side leaves the outer running surface 12, the steering wheel set 42 on the turning side is engaged with the running wheel set 41, runs along the inner running surface 11 and the outer running surface 12 on the turning side, and enters the branch track 7, and after entering the branch track 7, the steering wheel set 42 leaving the outer running surface is turned backwards and returns to the running surface, and continues running. If the branch track 7 is connected with the track 1 only with one inner running surface and one outer running surface, the steering wheel group 42 leaving the outer running surface does not need to be turned reversely, and the vehicle can still keep running.
In the above process, since the steering wheel group 42 on one side is separated from the outer running surface, the stress structure between the vehicle and the rail is changed, so that the stability of the vehicle running is affected, and in order to eliminate the effect, the center of gravity adjusting mechanism 3 moves the vehicle body 2 left and right relative to the running mechanism 4. In addition to the influence of the turning of the steering wheel set 42 on the stability of the vehicle, the vehicle body may be tilted by inertia during the turning of the vehicle body, and the stability of the vehicle may be influenced. The displacement of the vehicle body in the left-right direction relative to the running gear also needs to consider the centrifugal force of the vehicle during turning. The gravity center adjusting mechanism 3 enables the vehicle to run more stably when turning or passing a fork, reduces the swing of the vehicle and increases the safety and the comfort.
Further, as shown in fig. 2, the gravity center adjusting mechanism 3 includes a guide rail 32 fixed on the top of the vehicle body 2 and a connecting seat 31 fixed below the traveling mechanism 4, the connecting seat 31 is connected with the guide rail 32 through a slider, a transmission mechanism 33 is further disposed below the connecting seat, a motor 35 is fixed on the top of the vehicle body 2, and the motor 35 enables the vehicle body 2 to move along the guide rail 32 through the transmission mechanism 33. As shown in fig. 3, the transmission mechanism 33 in this embodiment includes a screw 331 disposed parallel to the guide rail 32 and a nut 332 engaged with the screw 331, the screw 331 is fixed below the connecting seat 31, the nut 332 is rotatably disposed on the top of the vehicle body 2, and the motor 35 drives the vehicle body 2 to move along the guide rail 32 through the nut 332 and the screw 331. The nut 332 is fixed to the top of the vehicle body 2 through a bearing, transmission teeth are arranged on one side of the nut 332, a gear matched with the output shaft of the motor 35 is arranged on the output shaft of the motor, and the motor is matched with the transmission teeth on the nut 332 through the gear on the output shaft to drive the nut 332 to rotate. The transmission mechanism 33 may also be a rack-and-pinion structure, the rack is parallel to the guide rail, and the motor drives the vehicle body to move along the guide rail 32 through the rack and pinion.
Further, as shown in fig. 3 and 4, the walking wheel set 41 and the steering wheel set 42 are provided with auxiliary wheels 43, the auxiliary wheels 43 are driven wheels, the auxiliary wheels 43 are in contact with a non-driving surface on a track, so that friction between the walking wheel set 41 and the steering wheel set 42 and the track can be avoided, and contact points between the walking wheel set 41 and the steering wheel set 42 and the track are increased, so that the running is more stable.
Further, as shown in fig. 5-7, a roundabout 5 is disposed at the intersection of the three or more rails 1, the roundabout 5 includes a first inner driving surface 51, a second inner driving surface 52, a first outer driving surface 53 and a second outer driving surface 54, the road wheel set 41 runs on the first inner driving surface 51 and the second inner driving surface 52, the steering wheel set 42 runs on the first outer driving surface 53 and the second outer driving surface 54, the first inner driving surface 51 and the first outer driving surface 53 are closed circles, the second inner driving surface 52 is connected to the inner driving surface 11 of the rail 1, and the second outer driving surface 54 is connected to the outer driving surface 12 of the rail 1.
In this embodiment, every driving route sets up two tracks, and the railcar can be gone in the opposite direction that does not influence each other on two tracks. The roundabout is arranged at the intersection, the running mode of vehicles entering the roundabout is the same as the running mode of vehicles entering the turnout, and running and steering in the roundabout are realized by matching the turning of the steering wheel set with the running wheel set. The rotary island can be adapted to the current right-side traffic rule, the vehicle can realize the requirements of left-right steering and straight-line advancing, and the congestion phenomenon can not be caused. The rotary island is a node of the whole urban air-rail traffic network, and all the nodes are connected through a straight track to form the four-way eight-reach urban traffic network.
Furthermore, a platform track 6 is arranged on the track 1, two ends of at least one inner running surface 11 of the platform track 6 are connected with the same inner running surface 11 of the track 1, and two ends of at least one outer running surface 12 of the platform track 6 are connected with the same outer running surface 12 of the track 1. The rail is characterized in that one outer driving surface and one inner driving surface on the same side of the rail are disconnected and are connected with one end of the platform rail, the two ends of the disconnection of the outer driving surface of the rail are respectively connected with the two outer driving surfaces on one end of the platform rail, the two ends of the disconnection of the inner driving surface on the same side are respectively connected with the two inner driving surfaces on one end of the platform rail, the platform rail can be connected and disconnected with one inner driving surface and one outer driving surface on one end of the coming direction of the rail, the outer driving surface and the inner driving surface on the same side of the other rail are connected with the other end of the platform rail in the same mode, the platform rail can enable the rail car to be separated from a normal driving rail and descend to the ground height, passengers can get on and off the rail conveniently, and the passage of other rail cars is not influenced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An aerial rail car comprises a car body (2), and is characterized by further comprising a gravity center adjusting mechanism (3) arranged at the top of the car body (2) and a travelling mechanism (4) arranged on the gravity center adjusting mechanism (3);
the vehicle body (2) runs on the track (1) through the running mechanism (4), and the gravity center adjusting mechanism (3) can enable the vehicle body (2) to move left and right relative to the running mechanism (4).
2. The aerial rail car as claimed in claim 1, wherein the gravity center adjusting mechanism (3) comprises a guide rail (32) fixed on the top of the car body (2) and a connecting seat (31) fixed below the travelling mechanism (4), the connecting seat (31) is connected with the guide rail (32) through a groove (34), a transmission mechanism (33) is further arranged below the connecting seat (31), a motor (35) is fixed on the top of the car body (2), and the motor (35) enables the car body (2) to move along the guide rail (32) through the transmission mechanism (33).
3. The aerial rail vehicle as claimed in claim 2, wherein the transmission mechanism (33) comprises a screw rod (331) arranged in parallel with the guide rail (32) and a nut (332) engaged with the screw rod (331), the screw rod (331) is fixed below the connecting seat (31), the nut (332) is rotatably fixed on the top of the vehicle body (2), and the motor (35) drives the vehicle body (2) to move along the guide rail (32) through the nut (332) and the screw rod (331).
4. An aerial rail vehicle as claimed in claim 1, characterised in that auxiliary wheels (43) are provided on the travelling wheel set (41) and the steering wheel set (42), the auxiliary wheels (43) being driven wheels.
5. An aerial track, characterized by comprising two inner running surfaces (11) arranged in the track (1) and outer running surfaces (12) arranged on both sides of the track (1); the track (1) is intended for an aerial rail vehicle as claimed in any of claims 1 to 4.
6. An aerial rail according to claim 5, characterized in that the rail (1) is provided with a branch rail (7), that the branch rail (7) has at least one inner running surface (11) connected to the inner running surface (11) of the rail (1), and that the branch rail (7) has at least one outer running surface (12) connected to the outer running surface (12) of the rail (1).
7. An aerial rail according to claim 5 or 6, characterized in that three or more of the rails (1) are provided with rotary islands (5) at their intersections, the rotary island (5) comprises a first inner driving surface (51), a second inner driving surface (52), a first outer driving surface (53) and a second outer driving surface (54), the running wheel set (41) runs on the first inner running surface (51) and the second inner running surface (52), the steering wheel set (42) runs on the first outer running surface (53) and the second outer running surface (54), the first inner running surface (51) and the first outer running surface (53) are closed circles, the second inner running surface (52) is connected with the inner running surface (11) of the track (1), the second outer running surface (54) is connected to the outer running surface (12) of the rail (1).
8. An aerial rail according to claim 5, characterized in that the rail (1) is provided with a platform rail (6), the platform rail (6) having at least one inner running surface (11) connected at both ends to the same inner running surface (11) of the rail (1), and the platform rail (6) having at least one outer running surface (12) connected at both ends to the same outer running surface (12) of the rail (1).
9. An air rail transit system comprising the air rail car of claim 1 and the air rail of claim 5.
10. An air rail transit system according to claim 9, characterised in that the running gear comprises a running wheel set (41) and steering wheel sets (42) arranged on both sides of the running wheel set (41), the running wheel set (41) running on the inner running surface (11), the steering wheel sets (42) running on the outer running surface (12) and being turnable away from the outer running surface (12) on both sides.
CN201911101784.6A 2019-11-12 2019-11-12 Aerial rail car, aerial rail and aerial rail transit system Pending CN110667604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911101784.6A CN110667604A (en) 2019-11-12 2019-11-12 Aerial rail car, aerial rail and aerial rail transit system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911101784.6A CN110667604A (en) 2019-11-12 2019-11-12 Aerial rail car, aerial rail and aerial rail transit system

Publications (1)

Publication Number Publication Date
CN110667604A true CN110667604A (en) 2020-01-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911101784.6A Pending CN110667604A (en) 2019-11-12 2019-11-12 Aerial rail car, aerial rail and aerial rail transit system

Country Status (1)

Country Link
CN (1) CN110667604A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111791900A (en) * 2020-06-10 2020-10-20 吴金根 Quick vehicle
CN112677999A (en) * 2020-12-21 2021-04-20 仝泽耀 Aerial electromagnetic galloping car

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111791900A (en) * 2020-06-10 2020-10-20 吴金根 Quick vehicle
CN112677999A (en) * 2020-12-21 2021-04-20 仝泽耀 Aerial electromagnetic galloping car

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