Suspension type permanent magnet maglev train bogie

Abstract

The application discloses a suspension type permanent magnetic levitation train bogie, which comprises a roof beam and a suspension frame, the middle part of the two sides of the roof beam is provided with a support seat, the lower part of the roof beam is provided with an opening, the bogie is placed in the roof beam, the bogie comprises two suspension frames and an intermediate body, the bottom of the intermediate body is used for suspending a carriage through the opening, suspension frames are arranged on the two sides of the intermediate body, the suspension frames generate suspension force through permanent magnetic suspension pairs arranged on the upper part of the support seat, so that the whole bogie is suspended, the bogie is integrated by a cross shaft penetrating through the suspension frames and the intermediate body, and the two ends of the cross shaft are respectively connected with attitude wheels, the attitude wheels are used for being in constant contact with the bottom of the support seat.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of permanent magnet levitation suspension vehicle suspension, more particularly to a suspension type permanent magnet levitation train bogie. BACKGROUND

[0002] Chinese patent CN109056431A and patent CN109131370A disclose a suspension type permanent magnet levitation rail transit system and mechanical structure. It provides a new type of medium and low speed maglev transportation system, which has the characteristics of energy saving and environmental protection, and can alleviate the urban traffic congestion problem, and is a new type of transportation system.

[0003] The bogie basic mode structure of the system is that the vehicle-mounted permanent magnet on the bogie and the track permanent magnet on the roof beam form a permanent magnet levitation pair, thereby generating a suspension force, suspending the vehicle, driving by using a linear motor, and ensuring the movement of the bogie in the roof beam under the guidance of the upper and lower guide wheels. However, the following problems exist.

[0004] 1. In the prior art, the roof beam bearing part is at the bottom of the roof beam, and the roof beam is a reverse "U" shaped structure, and the bottom is open.

[0005] 2. In the prior art, the bogie is suspended by four suspension points, and in actual situation, due to manufacturing, installation and other errors, the four points cannot be coplanar, thereby generating mutual disturbance.

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

[0007] 4. In the prior art, the brake is at the top of the bogie, and the head will appear when braking. SUMMARY

[0008] The purpose of the present application is to provide a suspension type permanent magnet levitation train bogie, in order to solve at least one technical problem in the background art.

[0009] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0010] A suspension type permanent magnet levitation train bogie, comprising: a roof beam and a horizontal shaft, the middle part of the two sides of the roof beam is provided with a support seat, the lower part of the roof beam is provided with an opening, and an intermediate body is arranged in the roof beam, and the bottom of the intermediate body is used for suspending a car body through the opening;

[0011] Suspension frames are arranged on the two sides of the intermediate body, and the suspension frames generate a suspension force through the permanent magnet suspension pair arranged on the upper part of the support seat, so that the whole bogie is suspended;

[0012] The horizontal shafts respectively pass through the suspension frame and the intermediate body, and the two ends of the horizontal shafts are respectively connected with the attitude wheels, which are used for being in constant contact with the bottom of the support base.

[0013] In some embodiments, a brake rail is arranged at the lower part of the support base, and a brake is arranged on the suspension frame, so that the brake can clamp the brake rail when braking.

[0014] In some embodiments, a linear motor induction plate is arranged at the lower part of the roof beam, and the linear motor induction plate at the bottom of the roof beam and the linear motor primary coil arranged at the bottom of the suspension frame constitute a driving system for driving the vehicle.

[0015] In some embodiments, the suspension frame comprises an upper horizontal beam, a lower horizontal beam and a column connecting the upper horizontal beam and the lower horizontal beam, an upper guide wheel is arranged at the top of the upper horizontal beam, the upper guide wheel is arranged in front and back, the brake is arranged at the top of the lower horizontal beam, the brake is arranged in front and back, a boss is arranged at the top of the lower horizontal beam, a first through hole is arranged in the middle of the boss, and the horizontal shaft passes through the first through hole; and the linear motor primary coil is arranged at the bottom of the lower horizontal beam.

[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 horizontal beam, and the vehicle-mounted permanent magnet is arranged in front and back, and the track permanent magnet is arranged on the support base.

[0017] In some embodiments, an electric brush is arranged at the upper part of the load-bearing member, the electric brush is used for being in mutual contact with the power supply rails arranged on both sides of the roof beam, a second through hole is arranged in the middle of the load-bearing member, and the horizontal shaft passes through the second through hole.

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

[0019] The technical scheme provided by the present application can improve the deformation of the roof beam opening, the suspension position is arranged in the middle of the roof beam, which greatly improves the roof beam opening problem, and because the suspension is arranged between the attitude wheels and the upper guide wheels, the side deflection torque caused by the lateral force can be reduced due to the reduction of the force arm.

[0020] In order to improve the deformation of the roof beam opening, the suspension position of the permanent magnetic suspension pair is arranged in the middle of the roof beam, which greatly improves the roof beam opening problem, and because the suspension is arranged between the attitude wheels and the upper guide wheels, the side deflection torque 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, realizes left-right decoupling of the bogie, and makes the vibrations of the left and right suspension frames not interfere with each other, and the suspension frame of each side after being split has only two suspension points, which is more easy to keep the stability of the suspension force, thereby improving the stability of operation.

[0022] A pair of attitude wheels have been 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 braked on both the left and right sides simultaneously to reduce the nodding phenomenon of the bogie during braking. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0025] Fig. 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 will be further described below with reference to the embodiments. The embodiments described are only a part of the embodiments of the present invention and are not all embodiments. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the present invention.

[0028] Embodiment 1:

[0029] like Figs. 1-2 As shown, a suspended permanent magnet maglev train bogie includes: a top beam and a transverse 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 portion 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 provided on both sides of the intermediate body, and the suspension frames generate suspension force by means of a permanent magnetic suspension pair provided 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 connected to posture wheels respectively, and the posture 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 mounted on the lower part of the roof beam, and the linear motor induction plate on the bottom of the roof beam and the linear motor primary coil arranged on the bottom of the suspension frame form a driving system for driving the vehicle.

[0034] In some embodiments, the suspension frame comprises an upper cross beam, a lower cross beam and a column connecting the upper cross beam and the lower cross beam, an upper guide wheel is arranged on the top of the upper cross beam, the upper guide wheel is arranged in front and back, a brake is arranged on the top of the lower cross beam, the brake is arranged in front and back, a boss is arranged on the top of the lower cross beam, a first through hole is arranged in the middle of the boss, and the cross shaft passes through the first through hole; and the linear motor primary coil is arranged on the bottom of the lower cross beam.

[0035] In some embodiments, 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 on the bottom of the upper cross beam, the vehicle-mounted permanent magnet is arranged in front and back, and the track permanent magnet is arranged on the support seat. Since the permanent magnet suspension pair is arranged in the middle of the roof beam, the opening condition of the roof beam can be greatly improved.

[0036] In some embodiments, a brush is mounted on the upper part of the load-bearing member, the brush is used for mutual contact with the power supply rail arranged on both sides of the roof beam, a second through hole is opened in the middle, and the cross shaft passes through the second through hole.

[0037] The suspension frame designed in the application is arranged on the left and right sides of the roof beam respectively, a middle 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 magnet suspension pair, the middle body is used for suspending the carriage, the three are connected by the cross shaft passing through the through holes between them, and the side roll of the suspension frame during operation can be prevented under the action of the attitude wheel and the upper guide wheel. Therefore, the impact problem caused by the side roll of the bogie in the original technical solution can be solved.

[0038] In order to improve the opening deformation condition of the roof beam, the suspension position of the permanent magnet suspension pair is arranged in the middle of the roof beam, the opening problem of the roof beam is greatly improved, and since the suspension is between the attitude wheel and the upper guide wheel, the side deflection torque 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, the left-right decoupling of the bogie is realized, the vibrations of the left and right suspension frames do not interfere with each other, and the suspension frame on each side has only two suspension points after being split, so that the stability of the suspension force is more easily maintained, and the running stability is improved.

[0040] A pair of attitude wheels are added, the lateral movement of the suspension frame can be limited by the upper guide wheel, the vertical movement of the suspension frame can be limited by the attitude wheel, the side roll of the suspension frame during operation can be prevented under the joint action of the attitude wheel and the upper guide wheel, and the impact problem caused by the side roll of the vehicle during operation is solved.

[0041] The brake is moved from the top to the middle of the original technology, and is divided into left and right sides to brake at the same time, reducing the nodding of the bogie when braking.

[0042] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A suspension type permanent magnet levitation train bogie, characterized in that, It includes: roof beam and horizontal shaft, the middle part of both sides of the roof beam is equipped with support seat, the lower part of the roof beam is equipped with opening, the inside of the roof beam is equipped with intermediate body, the bottom of the intermediate body is used for hanging carriage through the opening; The both sides of the intermediate body are respectively equipped with suspension frame, the suspension frame generates suspension force through the permanent magnet suspension pair arranged on the upper part of the support seat to make the whole bogie suspended; The horizontal shaft penetrates the suspension frame and the intermediate body respectively, the both ends of the horizontal shaft are respectively connected with attitude wheel, the attitude wheel is used for constant contact with the bottom of the support seat; The suspension frame includes upper cross beam, lower cross beam and stand connecting the upper cross beam and the lower cross beam, the top of the upper cross beam is equipped with upper guide wheel, the upper guide wheel is arranged in front and back, the brake is arranged on the top of the lower cross beam, the brake is arranged in front and back, a boss is arranged on the top of the lower cross beam, the first through hole is arranged in the middle of the boss, the horizontal shaft penetrates the first through hole, the primary coil of the linear motor is arranged on the bottom of the lower cross beam.

2. The suspension type permanent magnetic levitation train bogie according to claim 1, characterized in that, The lower part of the support seat is equipped with brake rail, the suspension frame is equipped with brake, the brake rail is used for brake clamping when the brake is used.

3. The suspension type permanent magnetic levitation train bogie according to claim 1, characterized in that, The lower part of the roof beam is installed with linear motor induction plate, the linear motor induction plate on the bottom of the roof beam and the primary coil of the linear motor arranged on the bottom of the suspension frame constitute driving system, which is used for driving vehicle movement.

4. The suspension type permanent magnetic levitation train bogie according to claim 1, characterized in that, The permanent magnet suspension pair is formed by vehicle-mounted permanent magnet and track permanent magnet, the vehicle-mounted permanent magnet is arranged on the bottom of the upper cross beam, the vehicle-mounted permanent magnet is arranged in front and back, the track permanent magnet is arranged on the support seat.

5. The suspension type permanent magnetic levitation train bogie according to claim 1, characterized in that, The upper part of the intermediate body is installed with brush, the brush is used for mutual contact with the power supply rail arranged on both sides of the roof beam, the middle part is opened with second through hole, the horizontal shaft penetrates the second through hole.

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