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Movable vibration exciter for simulating train load and loading method thereof

A kind of train simulation, mobile technology, applied in the field of mobile vibration exciter and its loading, can solve the problems of low fidelity and difficult loading, and achieve the effect of wide application prospect and strong expansibility

Pending Publication Date: 2020-11-10
CHANGAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the technical problems existing in the prior art, the present invention provides a mobile vibration exciter and its loading method for simulating train loads, so as to solve the existing technical problems of simulating train loads that are difficult and less realistic

Method used

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  • Movable vibration exciter for simulating train load and loading method thereof
  • Movable vibration exciter for simulating train load and loading method thereof
  • Movable vibration exciter for simulating train load and loading method thereof

Examples

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Embodiment

[0050] This embodiment provides a mobile vibrator for simulating train loads, including a track mechanism and a mobile load loading device, the mobile load loading device includes a traction device, a vibrating device and a hinge connection block, and the traction device and the vibrating device pass through the hinge The connecting blocks are connected together, and the traction device plays a traction role on the vibrating device to achieve the effect of linkage.

[0051] The track mechanism includes two guide rails, several sleepers, horizontal racks, channel steel, limiters and transmission gears. The two guide rails are arranged horizontally and parallel, and several sleepers are evenly arranged under the guide rails. The guide rails are fixed on the roadbed through the sleepers; Pressure cells and acceleration sensors are pre-embedded in the subgrade, wherein the pressure cells are buried in the soil at the lower part of the subgrade, with a depth of about 1m, arranged lo...

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Abstract

The invention discloses a movable vibration exciter for simulating a train load and a loading method thereof. The movable vibration exciter comprises a rail mechanism, a traction device and a vibration device, the traction device and the vibration device are both movably arranged on the rail mechanism, the rear end of the traction device is hinged to the front end of the vibration device, the traction device is used for driving the vibration device to move on the rail mechanism, and the vibration device is used for generating variable-frequency excitation force to the rail mechanism. The traction device and the vibration device are arranged on the rail mechanism, the vibration device is driven by the traction device to move on the rail mechanism, variable-frequency excitation force is generated on the rail mechanism in the moving process of the vibration device, the loading process of the vibration device can effectively simulate the real train load, and the influence of the train loadon a roadbed is analyzed; guidance can be provided for engineering construction according to dynamic response result feedback of the roadbed, the train load can be well simulated, the difficulty is low, the simulation trueness is high, and the simulation is closer to the actual situation.

Description

technical field [0001] The invention belongs to the technical field of high-speed railway engineering, in particular to a mobile vibration exciter for simulating train load and a loading method thereof. Background technique [0002] Compared with traditional road, waterway and air transportation, high-speed railway has outstanding advantages in terms of large capacity, high speed, low energy consumption and safety. The vigorous development of high-speed railway marks that traditional railway transportation has entered a new era . Up to now, the total mileage of China's high-speed railways has exceeded 35,000 kilometers, accounting for seven tenths of the world's total mileage, ranking first in the world. In the foreseeable future, my country's high-speed railway construction will continue to maintain rapid development, and the next few decades will be a golden period for high-speed railway construction. [0003] Safety is an issue that needs to be focused on in the constru...

Claims

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Application Information

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IPC IPC(8): G01M7/02
CPCG01M7/022
Inventor 黄强兵苟玉轩薛力铭何国辉杨兆杨招刘孟辉王倩倩乔拓乔锦安
Owner CHANGAN UNIV
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