Low-floor rail vehicle bogie air spring suspension mechanism
A technology of air springs and rail vehicles, which is applied in the direction of the device for lateral relative movement between the underframe and the bogie, which can solve the problem that the floor height of the vehicle cannot be lowered, and achieve lower floor height, reasonable structural design, and improved shock absorption The effect of action
Active Publication Date: 2016-05-25
沈阳新阳光机电科技有限公司
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Problems solved by technology
[0005] The purpose of the present invention is to provide an air spring suspension mechanism for a bogie of a low-floor rail vehicle, which solves the problem that the floor height of the vehicle cannot be lowered due to the installation of two air springs on the existing bogie, and its structural design is reasonable to ensure that the floor height is effective Lower, further improve the damping effect of the air spring and the stability of the vehicle
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[0017] according to Figure 1~5 The specific structure of the present invention will be described in detail. The low-floor rail vehicle bogie air spring suspension mechanism includes a bogie bolster mechanism, an air spring assembly, a wheel axle base, and an air source connected to the air spring assembly through pipelines, wherein the bogie bolster mechanism 11 adopts a The U-shaped structure composed of the bottom frame and two boxes, the bottom frame is fixed with a hinge mechanism 12 composed of a hinge shaft with lock nuts and a beam support frame, and the bolster mechanism 11 of the bogie is connected with the vehicle through the hinge mechanism 12. The connecting longitudinal beams (not shown in the figure) of the body are connected to form a low-floor rail vehicle. Two spring chambers and two buffer slides are respectively arranged in the two boxes, and the buffer slides are composed of front and rear thrust plates 5 and left and right thrust plates 7 . The upper en...
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The invention discloses an air spring suspending mechanism of a low-floor railway vehicle bogie, which is used for solving a problem that floors of an existing vehicle cannot be descended. The air spring suspending mechanism comprises a swing bolster mechanism, an air spring assembly, a wheel shaft base and an air pump; the technical key point of the air spring suspending mechanism is that the swing bolster mechanism adopts a U-shaped structure which consists of a bottom frame and two box bodies; a hinge mechanism is fixed on the bottom frame; two spring chambers and buffer slide paths are respectively arranged in the box body; the upper end of the air spring assembly connected with the air pump by a height adjusting valve is fixedly connected with a box body of the swing bolster mechanism; the lower end of the air spring assembly is fixedly connected with the wheel shaft base; an axle on the wheel shaft base is assembled together with the axle by utilizing a bearing pressure cover and a bearing; under the action of the air spring assembly, the wheel shaft base moves along the buffer slide paths in a reciprocating manner; a wheel brake mechanism is arranged outside wheels; and an axle backstop frame is assembled below the wheel shaft base. The air spring suspending mechanism disclosed by the invention is reasonable in design, ensures that height of floors is effectively reduced, and further improves damping effect of the air spring and vehicle travelling stability.
Description
technical field [0001] The invention relates to a damping device for a rail vehicle bogie, in particular to an air spring suspension mechanism for a low-floor rail vehicle bogie. Background technique [0002] Rail vehicles generally refer to all kinds of vehicles running on the track. It uses the bogie as the running device, and controls the bogie through the drive and control system to make the wheels travel on the track. In order to transfer the load of the vehicle to each wheel set more evenly, alleviate and reduce the vibration and vibration of the vehicle caused by the unevenness of the line, the wear and unevenness of the rail gap, the switch, and the rail, as well as the wheel scratches and shaft diameter eccentricity. Shock, spring damping devices are installed on the bogie. Currently, modern rail vehicles mainly use springs as shock absorbers. Due to the low rigidity of the air spring, when the vehicle amplitude is large, it can effectively absorb high-frequency v...
Claims
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IPC IPC(8): B61F5/10
Inventor 付电明关润山
Owner 沈阳新阳光机电科技有限公司