Suspension type permanent magnet maglev train bogie

Abstract

The invention discloses a suspension type permanent magnet maglev train bogie which comprises a sky beam and suspension frames, supporting seats are arranged in the middles of the two sides of the sky beam, an opening is formed in the lower portion of the sky beam, the bogie frame is placed in the sky beam, and the bogie comprises the two suspension frames and a middle body. The bottom of the middle body is used for hanging a carriage through the opening; suspension frames are arranged on the two sides of the middle body respectively, and the suspension frames generate suspension force through permanent magnet suspension pairs arranged on the upper portions of the supporting seats so that the whole bogie can suspend. The bogie penetrates through the suspension frame and the middle body through a transverse shaft to form a whole, the two ends of the transverse shaft are connected with posture wheels respectively, and the posture wheels are used for making constant contact with the bottom of the supporting seat.

Description

Technical Field

[0001] The invention relates to the technical field of permanent magnet maglev suspension type vehicle suspension frame, and more particularly to a suspension type permanent magnet maglev train bogie. Background Art

[0002] Chinese patents CN109056431A and CN109131370A disclose a suspended permanent magnet maglev rail transit system and mechanical structure. They provide a new medium and low speed maglev transit system with energy saving and environmental protection features, which can alleviate the problem of urban traffic congestion and is a new type of transportation system.

[0003] The basic structure of the bogie of this system mostly uses the vehicle-mounted permanent magnet on the bogie and the track permanent magnet on the sky beam to form a permanent magnetic levitation pair, thereby generating a suspension force to suspend the vehicle, and using a linear motor to drive it. Under the guidance of the upper and lower guide wheels, the bogie is guaranteed to move inside the sky beam. However, it has the following problems:

[0004] 1. In the prior art, the load-bearing part of the sky beam is at the bottom of the sky beam, and the sky beam is an inverted "U"-shaped structure, and the bottom will have an opening phenomenon after being loaded.

[0005] 2. In the prior art, the bogie is suspended by four suspension points. In actual situations, due to errors in manufacturing and installation, the four points cannot be coplanar, resulting in mutual interference.

[0006] 3. In the prior art, the upper and lower guide wheels of the bogie can only limit the lateral movement of the bogie, but cannot limit the side rolling of the bogie.

[0007] 4. In the prior art, the brake is on the top of the bogie, and nodding occurs during braking. Summary of the invention

[0008] The object of the present invention is to provide a suspended permanent magnet maglev train bogie in order to solve at least one technical problem existing in the background technology.

[0009] In order to achieve the above object, the present invention adopts the following technical solutions:

[0010] A suspended permanent magnet maglev train bogie comprises: a top beam and a transverse axis, wherein a support seat is provided in the middle of both sides of the top beam, an opening is provided at the lower part of the top beam, an intermediate body is provided inside the top beam, and the bottom of the intermediate body is used to suspend a carriage through the opening;

[0011] Suspension frames are respectively arranged on both sides of the intermediate body, and the suspension frames generate suspension force through a permanent magnetic suspension pair arranged on the upper part of the support seat to suspend the entire bogie;

[0012] The transverse axis passes through the suspension frame and the intermediate body respectively, and both ends of the transverse axis are respectively connected with attitude wheels, and the attitude wheels are used to be in constant contact with the bottom of the support seat.

[0013] In some embodiments, a brake rail is provided at the lower part of the support seat, and a brake is provided on the suspension frame. The brake rail is used for clamping the brake when braking.

[0014] In some embodiments, a linear motor induction plate is installed at the bottom of the sky beam, and the linear motor induction plate at the bottom of the sky beam and the primary coil of the linear motor set at the bottom of the suspension frame constitute a driving system for driving the vehicle to move.

[0015] In some embodiments, the suspension frame includes an upper crossbeam, a lower crossbeam and columns connecting the upper crossbeam and the lower crossbeam. An upper guide wheel is provided on the top of the upper crossbeam, and the upper guide wheel is arranged front to back. A brake is provided on the top of the lower crossbeam, and the brake is arranged front to back. A boss is provided on the top of the lower crossbeam, and a first through hole is provided in the middle of the boss, and the horizontal axis passes through the first through hole; the primary coil of the linear motor is provided at the bottom of the lower crossbeam.

[0016] In some embodiments, the permanent magnetic suspension pair is formed by a vehicle-mounted permanent magnet and a track permanent magnet. The vehicle-mounted permanent magnet is arranged at the bottom of the upper crossbeam, the vehicle-mounted permanent magnet is arranged front to back, and the track permanent magnet is arranged on a support seat.

[0017] In some embodiments, a brush is installed on the upper part of the load-bearing member, and the brush is used to contact the power supply rails arranged on both sides of the sky beam; a second through hole is opened in the middle, and the horizontal axis passes through the second through hole.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The technical solution provided in the present application can improve the deformation of the skylight opening. By placing the suspension position in the middle of the skylight, the skylight opening problem can be greatly improved. Also, because it is suspended between the upper and lower guide wheels, the lever arm is reduced, thereby reducing the lateral moment caused by the lateral force.

[0020] In order to improve the deformation of the sky beam opening, the permanent magnetic suspension pair is placed in the middle of the sky beam, which can greatly improve the sky beam opening problem. Because it is suspended between the attitude wheel and the upper guide wheel, the sideways moment caused by the lateral force can be reduced due to the reduction of the force arm.

[0021] The bogie adopts a left-right split structure, which realizes the left-right decoupling of the bogie, so that the vibrations of the left and right suspension frames do not interfere with each other. Moreover, after the split, the suspension frame on each side has only two suspension points, which makes it easier to maintain the stability of the suspension force, thereby improving the stability of operation.

[0022] A pair of attitude wheels are added. The upper guide wheel can limit the lateral movement of the suspension frame, and the attitude wheel can limit the vertical movement of the suspension frame. Under the joint action of the attitude wheel and the upper guide wheel, the suspension frame can be prevented from rolling during operation, thereby solving the impact problem caused by the rolling of the vehicle during operation.

[0023] The brake is moved from the top to the middle in the original technology, and is divided into left and right sides for simultaneous braking to reduce the nodding phenomenon when the bogie is braking. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of a suspended permanent magnet maglev train bogie;

[0025] Figure 2 It is a side view of the suspension frame.

[0026] Markings in the figure: 1-top beam, 2-power supply rail, 3-upper guide wheel, 4-suspension frame, 5-onboard permanent magnet, 6-track permanent magnet, 7-brake rail, 8-brake, 9-transverse axis, 10-attitude wheel, 11-linear motor primary coil, 12-linear motor induction plate, 13-brush, 14-intermediate body, 15-carriage, 41 upper crossbeam, 42-lower crossbeam, 43-column. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with embodiments, which are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in the field without creative work are all within the scope of protection of the present invention.

[0028] Embodiment 1:

[0029] like Figure 1-Figure 2 As shown, a suspended permanent magnet maglev train bogie comprises: a top beam and a horizontal axis, a support seat is provided in the middle of both sides of the top beam, a brake rail is provided at the lower part of the support seat, a brake is provided on the suspension frame, and the brake rail is used for clamping the brake when braking.

[0030] An opening is provided at the lower part of the sky beam, and an intermediate body is provided inside the sky beam, and the bottom of the intermediate body is used to suspend the carriage through the opening;

[0031] Suspension frames are respectively arranged on both sides of the intermediate body, and the suspension frames generate suspension force through permanent magnetic suspension pairs arranged on the upper part of the support seat to suspend the entire bogie;

[0032] The transverse axis passes through the suspension frame and the intermediate body respectively, and both ends of the transverse axis are respectively connected with attitude wheels, and the attitude wheels are used to be in constant contact with the bottom of the support seat.

[0033] In some embodiments, a linear motor induction plate is installed at the bottom of the sky beam, and the linear motor induction plate at the bottom of the sky beam and the primary coil of the linear motor set at the bottom of the suspension frame constitute a driving system for driving the vehicle to move.

[0034] In some embodiments, the suspension frame includes an upper crossbeam, a lower crossbeam and columns connecting the upper crossbeam and the lower crossbeam. An upper guide wheel is provided on the top of the upper crossbeam, and the upper guide wheel is arranged front to back. The brake is provided on the top of the lower crossbeam, and the brake is arranged front to back. A boss is provided on the top of the lower crossbeam, and a first through hole is provided in the middle of the boss, and the horizontal axis passes through the first through hole; the primary coil of the linear motor is provided at the bottom of the lower crossbeam.

[0035] In some embodiments, the permanent magnetic suspension pair is formed by a vehicle-mounted permanent magnet and a track permanent magnet, the vehicle-mounted permanent magnet is arranged at the bottom of the upper crossbeam, the vehicle-mounted permanent magnet is arranged front and back, and the track permanent magnet is arranged on the support seat. Since the permanent magnetic suspension pair is in the middle of the sky beam, the opening of the sky beam can be greatly improved.

[0036] In some embodiments, brushes are installed on the upper part of the load-bearing member, and the brushes are used to contact the power supply rails arranged on both sides of the sky beam; a second through hole is opened in the middle, and the horizontal axis passes through the second through hole.

[0037] The suspension frames designed in the present invention are respectively arranged on the left and right sides of the sky beam, and an intermediate body is arranged between the two suspension frames. The suspension frames on the left and right sides are suspended under the action of the permanent magnetic suspension pair, and the intermediate body is used to suspend the car body. The three are connected by a horizontal axis passing through the through holes among the three. Under the action of the attitude wheel and the upper guide wheel, the suspension frame can be prevented from rolling sideways during operation, thereby solving the impact problem caused by the rolling sideways of the bogie in the original technical solution.

[0038] In order to improve the deformation of the sky beam opening, the permanent magnetic suspension pair is placed in the middle of the sky beam, which can greatly improve the sky beam opening problem. Because it is suspended between the attitude wheel and the upper guide wheel, the sideways moment caused by the lateral force can be reduced due to the reduction of the force arm.

[0039] The bogie adopts a left-right split structure, which realizes the left-right decoupling of the bogie, so that the vibrations of the left and right suspension frames do not interfere with each other. Moreover, after the split, the suspension frame on each side has only two suspension points, which makes it easier to maintain the stability of the suspension force, thereby improving the stability of operation.

[0040] A pair of attitude wheels are added. The upper guide wheel can limit the lateral movement of the suspension frame, and the attitude wheel can limit the vertical movement of the suspension frame. Under the joint action of the attitude wheel and the upper guide wheel, the suspension frame can be prevented from rolling during operation, thereby solving the impact problem caused by the rolling of the vehicle during operation.

[0041] The brake is moved from the top to the middle in the original technology, and is divided into left and right sides for simultaneous braking to reduce the nodding phenomenon when the bogie is braking.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A suspended permanent magnet maglev train bogie, characterized in that: It comprises: a top beam and a horizontal axis, wherein a support seat is provided in the middle of both sides of the top beam, an opening is provided at the lower part of the top beam, an intermediate body is provided inside the top beam, and the bottom of the intermediate body is used to suspend the carriage through the opening; Suspension frames are respectively arranged on both sides of the intermediate body, and the suspension frames generate suspension force through a permanent magnetic suspension pair arranged on the upper part of the support seat to suspend the entire bogie; The transverse axis passes through the suspension frame and the intermediate body respectively, and both ends of the transverse axis are respectively connected with attitude wheels, and the attitude wheels are used to be in constant contact with the bottom of the support seat.

2. A suspended permanent magnet maglev train bogie according to claim 1, characterized in that: A brake rail is arranged at the lower part of the support seat, and a brake is arranged on the suspension frame. The brake rail is used for clamping the brake when braking.

3. A suspended permanent magnet maglev train bogie according to claim 1, characterized in that: A linear motor induction plate is installed at the bottom of the sky beam. The linear motor induction plate at the bottom of the sky beam and the primary coil of the linear motor arranged at the bottom of the suspension frame constitute a driving system for driving the vehicle to move.

4. A suspended permanent magnet maglev train bogie according to claim 1, characterized in that: The suspension frame includes an upper crossbeam, a lower crossbeam and columns connecting the upper crossbeam and the lower crossbeam. An upper guide wheel is provided on the top of the upper crossbeam, and the upper guide wheel is arranged front to back. A brake is provided on the top of the lower crossbeam, and the brake is arranged front to back. A boss is provided on the top of the lower crossbeam, and a first through hole is provided in the middle of the boss, and the horizontal axis passes through the first through hole; the primary coil of the linear motor is provided at the bottom of the lower crossbeam.

5. A suspended permanent magnet maglev train bogie according to claim 4, characterized in that: The permanent magnet suspension pair is formed by a vehicle-mounted permanent magnet and a track permanent magnet. The vehicle-mounted permanent magnet is arranged at the bottom of the upper crossbeam, the vehicle-mounted permanent magnet is arranged front to back, and the track permanent magnet is arranged on a support seat.

6. A suspended permanent magnet maglev train bogie according to claim 4, characterized in that: A brush is installed on the upper part of the intermediate body, and the brush is used to contact with the power supply rails arranged on both sides of the top beam; a second through hole is opened in the middle part, and the horizontal axis passes through the second through hole.

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