CN104554318A

CN104554318A - Integral floor bearing damping structure for rail transit vehicles such as high speed trains and metros

Info

Publication number: CN104554318A
Application number: CN201410722234.7A
Authority: CN
Inventors: 秦冬生; 姜晓妍; 姚荣荣; 周梦君
Original assignee: QINGDAO OUTAI TRANSPORTATION FACILITIES Co Ltd
Current assignee: QINGDAO OUTAI TRANSPORTATION FACILITIES Co Ltd
Priority date: 2014-12-03
Filing date: 2014-12-03
Publication date: 2015-04-29
Anticipated expiration: 2034-12-03
Also published as: CN104554318B

Abstract

The invention discloses an integral floor bearing damping structure for rail transit vehicles such as high speed trains and metros. The upper end of the integral floor bearing damping structure is connected with a floor through screws, and the lower end of the integral floor bearing damping structure is connected with a car body underframe. The integral floor bearing damping structure comprises stiffening beams, a damper and a mounting base, wherein the mounting base is fixedly arranged on the car body underframe; the bottom of the damper is arranged in the mounting base; the damper and the mounting base adopt buckle type connection; the top of the damper is fixedly connected with the stiffening beams through bolts; the stiffening beams are connected with the floor through screws. Through damping and noise reduction of the integral floor bearing damping structure for rail transit vehicles such as high speed trains and metros, the rigidity of the floor is improved, and integral stress is realized; through modular mounting, the man-hour is greatly reduced, the mounting efficiency is improved, and the cost is reduced.

Description

The rail traffic vehicles such as high speed train, subway land used slab integral carrying vibration-proof structure

Technical field

The invention belongs to rubber damper, be specifically related to the rail traffic vehicles land used slab integral carrying vibration-proof structures such as a kind of high speed train, subway.

Background technology

At present, the floating floor mounting structure of rail traffic vehicles realizes car body floor mainly through shock absorber and is connected with the installation on floor in car, due in car panel stiffness certain, for meeting the deflection requirement of floor when fully loaded, overload operating mode, shock absorber must keep less installing space, and it is more to install quantity, and need in a pre-installation to measure in advance, demarcate shock absorber installation site, install, installation effectiveness is low again, and man-hour is long.

Summary of the invention

In order to overcome the problems referred to above that prior art field exists, the object of the invention is to, the rail traffic vehicles land used slab integral carrying vibration-proof structures such as a kind of high speed train, subway are provided, solve in traditional floating floor mounting structure the problem that shock absorber quantity is many, installation effectiveness is low, man-hour is long.

The rail traffic vehicles land used slab integral carrying vibration-proof structures such as high speed train provided by the invention, motor train unit, upper end is connected with floor by screw, lower end is connected with the vehicle body bottom frame of vehicle, it comprises strength beam, shock absorber, mount pad, described mount pad is fixedly installed on vehicle body bottom frame, be installed on bottom described shock absorber in mount pad, shock absorber and mount pad adopt buckle-type to be connected, described shock absorber top is fixedly connected with strength beam by bolt, and described strength beam is connected with floor by screw.

Described shock absorber comprises top board, bolt, rubber base, described top board is embedded in the top of rubber base, described bolt welding is in top board center, and be embedded in rubber base top, the upper end of rubber base is fixedly connected with floor or strength beam by bolt, the center of lower end is provided with groove, and the lower end of rubber base is installed on mount pad inside, adopts buckle-type to be connected with mount pad.

Described strength beam comprises the transverse beam of 5-30 root, 3-9 root longitudinal beam, 6-30 is individual increases beam, the transverse beam of described 5-30 root is evenly arranged in order, with the 3-9 root longitudinal beam at right angle setting be evenly arranged in order, described 6-30 increases the infall that beam is fixedly installed in 3-9 root longitudinal beam and the transverse beam of 5-30 root respectively, described in increase beam and be connected with shock absorber by bolt.The transverse beam of described 5-30 root, 3-9 root longitudinal beam, 6-30 increase the square tube that beam is metallic material.

The rail traffic vehicles land used slab integral carrying vibration-proof structures such as high speed train provided by the invention, subway, its beneficial effect is, this high speed waits rail traffic vehicles land used slab integral carrying vibration-proof structure vibration and noise reducing, realizes overall stressed, improves ground panel stiffness; Module train, subwayization are installed, and greatly save man-hour, improve installation effectiveness.

Accompanying drawing explanation

Fig. 1 is the integral structure schematic diagram of the embodiment of the present invention;

Fig. 2 is the integral structure schematic diagram of shock absorber 4 in Fig. 1;

Fig. 3 is the integral structure schematic diagram of strength beam 3 in Fig. 1.

Mark in figure:

1. floor; 2. vehicle body bottom frame; 3. strength beam; 4. shock absorber; 5. mount pad; 6. top board; 7. bolt; 8. polysulphide rubbers body; 9. transverse beam; 10. longitudinal beam; 11. increase beam.

Detailed description of the invention

With reference to the accompanying drawings, in conjunction with the embodiments, to rail traffic vehicles land used slab integral carrying vibration-proof structures such as high speed train provided by the invention, subways, be described in detail.

Embodiment

With reference to Fig. 1-Fig. 3, the rail traffic vehicles land used slab integral such as high speed train, the subway carrying vibration-proof structure of the present embodiment, upper end is connected with floor 1 by screw, lower end is connected with the vehicle body bottom frame 2 of motor train unit, it comprises strength beam 3, shock absorber 4, mount pad 5, described mount pad 5 is fixedly installed on vehicle body bottom frame 2, be installed on bottom described shock absorber 4 in mount pad 5, shock absorber 4 adopts buckle-type to be connected with mount pad 5, described shock absorber 4 top is fixedly connected with strength beam 3 by bolt 7, and described strength beam 3 is connected with floor 1 by screw.

Described shock absorber comprises top board 6, bolt 7, polysulphide rubbers body 8, the top of described top board 6 polysulphide rubbers body 8, described bolt 7 and top board 6 weld together are embedded in the center at polysulphide rubbers body 8 top, the upper end of polysulphide rubbers body 8 is fixedly connected with floor 1 or strength beam 3 by bolt 7, the center of lower end is provided with groove, the lower end of polysulphide rubbers body 8 is installed on mount pad 5 inside, adopts buckle-type to be connected with mount pad 5.

Described strength beam comprises 15 transverse beams, 9,6 longitudinal beams 10,18 and increases beam 11, described 15 transverse beams 9 are evenly arranged in order, with 6 longitudinal beam 10 vertical weldings be evenly arranged in order, described 18 are increased the infall that beam 11 is fixedly installed in 6 longitudinal beams 10 and 15 transverse beams 9 respectively, described in increase beam 11 and be connected with shock absorber 4 by bolt 7.

Described 15 transverse beams 9,6 longitudinal beams 10,18 increase beam 11 and are aluminum alloy square tube.

Shock absorber 4 designs suitable rigidity, to control the deflection of floor integrated carrying vibration-proof structure under overload operating mode; During mounting dampers 4, the bolt string of shock absorber 4 is crossed and is increased the reserved bolt hole of beam 44, and collocation black nut realizes the connection formed with strength beam; Mount pad 5 be the extrusion profile of special cross-section, both can extrude with car body simultaneously, and also can extrude separately and re-use screw and be fixed on car body; Mount pad 5 and shock absorber 4 consider safety during use when designing, have employed the mounting means of buckle, to realize the easy installation of floor integrated carrying vibration-proof structure, the safety requirements that difficulty is extracted.

Claims

1. the rail traffic vehicles such as high speed train, a subway land used slab integral carrying vibration-proof structure, upper end is connected with floor by screw, lower end is connected with the vehicle body bottom frame of motor train unit, it is characterized in that: it comprises strength beam, shock absorber, mount pad, described mount pad is installed on vehicle body bottom frame, be installed on bottom described shock absorber in mount pad, shock absorber and mount pad adopt buckle-type to be connected, described shock absorber top is fixedly connected with strength beam by bolt, and described strength beam is connected with floor by screw.

2. the rail traffic vehicles land used slab integral such as high speed train according to claim 1, motor train unit carrying vibration-proof structure, it is characterized in that: described shock absorber comprises top board, bolt, rubber base, described top board is embedded in the top of rubber base, described bolt welding is in top board center, and be embedded in rubber base top, the upper end of rubber base is fixedly connected with floor or strength beam by bolt, the center of lower end is provided with groove, the lower end of rubber base is installed on mount pad inside, adopts buckle-type to be connected with mount pad.

3. the rail traffic vehicles land used slab integral such as high speed train according to claim 1, motor train unit carrying vibration-proof structure, it is characterized in that: described strength beam comprises the transverse beam of 5-30 root, 3-9 root longitudinal beam, 6-30 is individual increases beam, the transverse beam of described 5-30 root is evenly arranged in order, with the 3-9 root longitudinal beam at right angle setting be evenly arranged in order, described 6-30 increases the infall that beam is fixedly installed in 3-9 root longitudinal beam and the transverse beam of 5-30 root respectively, described in increase beam and be connected with shock absorber by bolt.

4. the rail traffic vehicles land used slab integral carrying structure such as high speed train according to claim 2, motor train unit, is characterized in that: the transverse beam of described 5-30 root, 3-9 root longitudinal beam, 6-30 increase the square tube that beam is metallic material.