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CN-224227572-U - Vehicle-bridge coupling vibration damper with weak transverse rigidity

CN224227572UCN 224227572 UCN224227572 UCN 224227572UCN-224227572-U

Abstract

The utility model discloses a vehicle-bridge coupling vibration damping device with weak transverse rigidity, which comprises a plurality of damping mechanisms arranged between two track beams, wherein a plurality of steel cross beams are arranged between two adjacent damping mechanisms, each damping mechanism comprises a support, a hydraulic damper, a spring and a positioning tube, the positioning tube is fixed on the track beam, the support is in sliding connection with the positioning tube, two ends of the hydraulic damper positioned in the positioning tube are respectively connected with the support and the track beam, and the hydraulic damper is sleeved with the spring. Compared with the prior art, the utility model is based on the design of the emergency channel, takes the vibration reduction mechanism as a part of the emergency channel, achieves the vibration reduction effect while meeting the requirements of the emergency channel, and simultaneously, the vibration reduction mechanism can serve as a strong connection effect of the track beams at two sides, thereby ensuring the safety of the structure and improving the running safety and comfort of the vehicle. Compared with the traditional emergency channel design, the method omits the laying of the steel longitudinal beam and reduces the material consumption.

Inventors

  • ZHOU SHUAI
  • LI ZHANG
  • YANG JIAN
  • FANG CONG
  • YU PENG

Assignees

  • 中国建筑第五工程局有限公司

Dates

Publication Date
20260512
Application Date
20250529

Claims (8)

  1. 1. The vibration damping device for the weak transverse rigidity vehicle-bridge coupling vibration is characterized by comprising a plurality of vibration damping mechanisms arranged between two track beams, wherein a plurality of steel cross beams are arranged between two adjacent vibration damping mechanisms, each vibration damping mechanism comprises a support, a hydraulic damper, a spring and a positioning tube, the positioning tube is fixed on the track beam, the support is in sliding connection with the positioning tube, two ends of the hydraulic damper positioned in the positioning tube are respectively connected with the support and the track beam, and the hydraulic damper is sleeved with the spring.
  2. 2. The low transverse stiffness car-bridge coupled vibration absorbing device according to claim 1, wherein a bearing is provided between the bracket and the positioning tube.
  3. 3. The vehicle-bridge coupled vibration damper with weak transverse rigidity according to claim 2, wherein a sealing ring is arranged in the positioning tube, and the sealing ring is arranged at one end of the bearing away from the hydraulic damper.
  4. 4. The vehicle-bridge coupled vibration damper with weak transverse stiffness according to claim 3, wherein the mounting plate is embedded in the track beam, the positioning tube is fixedly connected with the mounting plate, and the spring and the hydraulic damper are connected with the mounting plate.
  5. 5. The vehicle-bridge coupled vibration damper with weak transverse rigidity according to claim 4, wherein two hydraulic dampers are distributed between one end of the bracket and the track beam, and two hydraulic dampers at the same end of the bracket are horizontally distributed.
  6. 6. The vehicle-bridge coupled vibration reduction apparatus of claim 5, wherein the plurality of sets of bearings are provided between the seal ring and the hydraulic damper.
  7. 7. The vehicle-bridge coupled vibration damper of claim 6, wherein the bracket comprises two transverse connection pipes, at least one longitudinal connection pipe is fixed between the two transverse connection pipes, and two ends of the transverse connection pipe are respectively connected with the two positioning pipes in a sliding manner.
  8. 8. The low transverse stiffness car-bridge coupling vibration absorbing device of claim 7, wherein a running panel is laid over the steel cross beam and brackets.

Description

Vehicle-bridge coupling vibration damper with weak transverse rigidity Technical Field The utility model relates to the technical field of vibration reduction devices, in particular to a vehicle-bridge coupling vibration reduction device with weak transverse rigidity. Background The straddle type monorail and the suspension type monorail are used as a medium-traffic urban rail transportation system, have the technical characteristics of low noise, strong climbing capacity (the maximum gradient can reach 10%), small turning radius (less than 50 meters) and the like, adopt the unique design that rubber tires ride on a single-track beam to operate, have the advantages of flexible layout capacity and environmental protection, and can adapt to complex terrains and reduce urban ground space occupation. Due to the particularity of the straddle type monorail traffic track beam, the horizontal rigidity of the narrow high beam is low, the coupling vibration of the axle is very sensitive, and due to the specificity of the width of the track beam (the beam is too narrow to arrange the traditional damper), the solution to the travelling comfort of the travelling crane is to improve the rigidity of the track beam. Referring to fig. 1, one current solution is to lay steel stringers and steel beams in the emergency path between the two-wire rail beams to increase rail beam stiffness, which results in wasted material. Disclosure of utility model First, the technical problem to be solved Based on the problem, the utility model provides a vehicle-bridge coupling vibration damping device with weak transverse rigidity, which is used for solving the problem that materials are wasted when steel longitudinal beams and steel transverse beams are paved in an emergency channel to improve the rigidity of a track beam in the prior art. (II) technical scheme The utility model aims to overcome the problems or at least partially solve the problems, and provides a vehicle-bridge coupled vibration damping device with weak transverse rigidity, which comprises a plurality of damping mechanisms arranged between two track beams, wherein a plurality of steel cross beams are arranged between two adjacent damping mechanisms, each damping mechanism comprises a bracket, a hydraulic damper, a spring and a positioning tube, the positioning tube is fixed on the track beam, the bracket is in sliding connection with the positioning tube, two ends of the hydraulic damper positioned in the positioning tube are respectively connected with the bracket and the track beam, and the hydraulic damper is sleeved with the spring. Preferably, a bearing is arranged between the bracket and the positioning tube. Preferably, a sealing ring is arranged in the positioning pipe, and the sealing ring is arranged at one end of the bearing away from the hydraulic damper. Preferably, the track beam is internally embedded with a mounting plate, the positioning pipe is fixedly connected with the mounting plate, and the spring and the hydraulic damper are both connected with the mounting plate. Preferably, two hydraulic dampers are distributed between one end of the bracket and the track beam, and the two hydraulic dampers at the same end of the bracket are horizontally distributed. Preferably, the bearings between the sealing ring and the hydraulic damper are multiple groups. Preferably, the bracket comprises two transverse connecting pipes, at least one longitudinal connecting pipe is fixed between the two transverse connecting pipes, and two ends of the transverse connecting pipes are respectively connected with the two positioning pipes in a sliding manner. Preferably, a travelling panel is paved above the steel cross beam and the bracket. (III) beneficial effects The vehicle-bridge coupling vibration damping device with weak transverse rigidity has the advantages that based on the design of the emergency channel, the damping mechanism is used as a part of the emergency channel, the damping effect is achieved while the requirement of the emergency channel is met, meanwhile, the damping mechanism can serve as a strong connection effect of the track beams at two sides, the safety of the structure is ensured, and the running safety and the running comfort of a vehicle are improved. Compared with the traditional emergency channel design, the method omits the laying of the steel longitudinal beam and reduces the material consumption. Drawings The features and advantages of the present utility model will be more clearly understood by reference to the accompanying drawings, which are illustrative and should not be construed as limiting the utility model in any way, in which: FIG. 1 is a schematic diagram of a prior art structure; FIG. 2 is a top view of the present utility model; FIG. 3 is a left side view of the present utility model; fig. 4 is a schematic structural view of the vibration damping mechanism of the present utility model. Reference numerals illustrate: 1. Track beam,