A bidirectional self-locking unlocking device suitable for medium and low speed maglev trains

A two-way self-locking, maglev train technology, applied in electric vehicles, vehicle parts, transportation and packaging, etc., can solve problems such as complex structural relationships, difficult assembly relationships, complex working principles, etc., to simplify the lower structure, facilitate layout, Conducive to lightweight effect

CN110696863BActive Publication Date: 2020-10-02TONGJI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2020-10-02

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Abstract

The invention relates to a bidirectional self-locking unlocking device suitable for a medium-low speed maglev train. The device is used for realizing the bidirectional self-locking of the linear guiderail to uniformly transmit the transverse force borne by the vehicle body structure under the condition that the vehicle has no forced guide mechanism; the device comprises a sliding block inner ringand a sliding block outer ring which are fixedly connected with each other through a connecting rod, an inner ring of the sliding block and a guide rail fixed on the chassis of the vehicle body forma sliding or rolling kinematic pair; the sliding block outer ring is fixed on a sliding table, and the device further includes a bidirectional self-locking unlocking structure, the bidirectional self-locking unlocking structure is composed of a wedge sleeve arranged between the sliding block inner ring and the sliding block outer ring and steel balls arranged in a wedge-shaped space formed by thewedge sleeve, the sliding block inner ring and the guide rail. Compared with the prior art, the device has the advantages of bidirectional motion self-locking and separation, simplified structure, high universality and the like.
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Description

technical field

[0001] The invention relates to the technical field of conventional electromagnetic levitation transportation systems, in particular to a two-way self-locking and unlocking device suitable for medium and low-speed maglev trains. Background technique

[0002] Medium and low-speed maglev transportation technology relies on electromagnetic force to levitate the train, and uses a linear motor to drive the train, and the running speed is generally 100-160 kilometers per hour. Medium and low-speed maglev trains have the characteristics of low operating noise, good environmental performance, comfortable ride, strong climbing ability, small turning radius, high safety and reliability, low operation and maintenance costs, and strong adaptability to terrain environments. It is suitable for transportation connections between large and medium-sized cities, short-distance cities and tourist attractions.

[0003] There are obvious differences between the medium and low sp...

Examples

Embodiment 1

[0039] Aiming at the problems and deficiencies of the forced guide mechanism in the background technology, the present invention discloses a device with two-way self-locking and unlocking function, which cancels the forced guide mechanism configured on the existing medium and low-speed maglev vehicles, so that the vehicle structure can operate without the forced guide mechanism. Under normal circumstances, the lateral force received by the car body structure can also be evenly transmitted to each sliding table, and at the same time, the movements of each sliding table are independent of each other. When the vehicle passes a curve, its position can be freely adjusted according to the shape of the track without mutual interference. Interference creates additional impact.

[0040] Such as Figure 4As shown, the two-way self-locking unlocking device is installed at the position of the original linear guide rail between the car body underframe and the slide table of the maglev vehi...

Embodiment 2

[0046] The two-way self-locking and unlocking device of the present invention is applied to low-speed maglev vehicles with five modules.

[0047] Such as Figure 7 As shown, the forced guiding mechanism has been canceled, and the 2-position and 5-position sliding tables are fixed sliding tables, and the 1, 3, 4, and 6-position sliding tables are equipped with the two-way self-locking unlocking device of the present invention.

[0048] Figure 8 Shown is another kind of installation mode of the present invention. Likewise, the 2-position and 5-position slides are still fixed slides. 1. Replace the device of the present invention at the position of the linear guide rail on one side of the 6-position slide table, and keep the linear guide rail on the other side. 3. The linear guide rails of the 4-position slide table are retained, and the two-way self-locking unlocking device of the present invention is installed in the middle of the two linear guide rails.

Embodiment 3

[0050] The bidirectional self-locking and unlocking linear guide rail of the present invention is applied to three-module medium and low-speed maglev vehicles.

[0051] Such as Figure 9 Shown, 2 and 3 sliding tables are fixed sliding tables, and 1 and 4 sliding tables are equipped with the two-way self-locking unlocking device of the present invention.