CN107740310B

CN107740310B - Novel high-elastic vibration reduction iron backing plate

Info

Publication number: CN107740310B
Application number: CN201710877754.9A
Authority: CN
Inventors: 阮武昌; 马志钧; 李喆
Original assignee: Zhejiang Nine Steel Metal Products Co ltd
Current assignee: Zhejiang Nine Steel Metal Products Co ltd
Priority date: 2017-09-26
Filing date: 2017-09-26
Publication date: 2023-06-13
Anticipated expiration: 2037-09-26
Also published as: CN107740310A

Abstract

The invention discloses a novel high-elastic vibration-damping iron base plate, which comprises a base plate, a composite plate and a top plate, wherein the base plate and the top plate are respectively arranged at the top and the bottom of the composite plate and are tightly attached and fixed with the composite plate, a plurality of primary bearing columns are arranged on the inner side of the composite plate, the end parts of the primary bearing columns are respectively connected with the base plate and the top plate and respectively apply pressure to the base plate and the top plate.

Description

Novel high-elastic vibration reduction iron backing plate

Technical Field

The invention relates to the technical field of iron backing plates, in particular to a novel high-elastic vibration reduction iron backing plate.

Background

The high-speed railway and urban rail transit are built and have higher and higher performance requirements on civil infrastructure, electrical facilities, locomotives, steel rails, rail fasteners and the like of the railway, the rail transit system generates vibration impact due to the collision of wheels and the steel rails in the running process, the performance requirements on the steel rails and the rail fasteners are higher and higher, and the rail fasteners are gradually upgraded from original I-type and II-type elastic strip fasteners to III-type and DTVI 2-type and the like. However, the fastener parts adopt e-shaped bolt-free elastic strips, and the longitudinal stress is caused by friction force to avoid displacement. When the train runs, the vibration of the train often causes the steel rail and the steel rail buckle accessory to generate resonance, so that the elastic strip is vibrated to slowly shift, and the effective shock absorption and energy absorption cannot be performed, thereby bringing great potential safety hazard to the running of the train.

Therefore, how to design a novel high-elastic vibration reduction iron backing plate becomes the current problem to be solved.

Disclosure of Invention

The invention aims to provide a novel high-elastic vibration reduction iron backing plate so as to solve the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel high-elastic damping iron backing plate, includes collet, composite sheet and top pad, collet and top pad set up respectively in composite sheet top and bottom to all closely laminate and fix with the composite sheet, the composite sheet inboard is equipped with a plurality of one-level spandrel columns, just the tip of one-level spandrel column is connected with collet and top pad respectively, and exerts pressure to collet and top pad respectively, the top of top pad is equipped with symmetrical extrusion pad, the top of extrusion pad is equipped with L shaped steel board, just extrusion pad and the inseparable welding of L shaped steel board, extrusion pad and top pad are through setting up the flat head bolted connection in extrusion pad one side, the side of extrusion pad is equipped with the stationary blade, the top of stationary blade is equipped with symmetrical button head bolt, the second grade spandrel column is installed to the bottom of stationary blade, just the top and the top of top spandrel column are laminated to be connected with the stationary blade through button head bolt, the center region of composite sheet inboard is equipped with the shock attenuation mound.

Further, the shock-absorbing pier is composed of Q345 steel pads arranged in opposite directions and GBT15096 bearing springs arranged between the Q345 steel pads, and the end parts of the GBT15096 bearing springs respectively apply pressure to the Q345 steel pads.

Further, an extrusion stress hole is formed in the area between the shock absorption pier and the secondary bearing column.

Further, square acoustic boards are arranged on the side faces of the secondary bearing columns, and the acoustic boards are welded with the secondary bearing columns.

Further, the bottom pad, the composite board and the top pad are all made of Q235B steel.

Compared with the prior art, the invention has the beneficial effects that: this kind of novel high-elastic damping iron backing plate, most adopt Q235B steel to make, its cost and cost are relatively low, rigid elastic performance is better simultaneously, collude through L shaped steel board simultaneously, the mode such as card carries out the connection between the backing plate, make its suitability stronger, be provided with the shock attenuation mound in the composite sheet simultaneously, utilize the shock pad to constitute material shock attenuation, the effectual impact force that makes backing plate itself receive passes through the base pad and transmits ground or other equipment on, in addition the pressure that second grade spanners and extrusion stress hole can prevent backing plate overload leads to backing plate or inside constitution damage, accessible abatvoix transmits the inboard effect of composite sheet moreover, the potential safety hazard has been stopped.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of a composite panel of the present invention;

in the figure: 1-a base pad; 2-composite board; 3-top pad; 4-a shock absorption pier; 5-fixing sheets; 6-pressing the pad; 7-L-shaped steel plates; 8-flat head bolts; 9-a round head bolt; 10-a secondary bearing column; 11-an acoustic panel; 12-extruding stress holes; 13-Q345 steel pad; 14-GBT15096 load-bearing spring; 15-first-stage bearing column.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel high-elastic damping iron backing plate, includes bottom cushion 1, composite sheet 2 and top pad 3, bottom cushion 1 and top pad 3 set up respectively at composite sheet 2 top and bottom to all closely laminate and fix with composite sheet 2, composite sheet 2 inboard is equipped with a plurality of one-level spandrel posts 15, just the tip of one-level spandrel post 15 is connected with bottom cushion 1 and top pad 3 respectively to apply pressure to bottom cushion 1 and top pad 3 respectively, the top of top pad 3 is equipped with symmetrical extrusion pad 6, the top of extrusion pad 6 is equipped with L shaped steel board 7, just extrusion pad 6 and L shaped steel board 7 closely weld, extrusion pad 6 is connected through the flat head bolt 8 that sets up in extrusion pad 6 one side with top pad 3, the side of extrusion pad 6 is equipped with stationary blade 5, the top of stationary blade 5 is equipped with symmetrical button head bolt 9, the second grade spandrel post 10 is installed to the bottom of stationary blade 5, just the top and top of second grade spandrel post 10 are laminated with top pad 3 bottom to be connected with stationary blade 5 through button head bolt 9, the center region that is equipped with 2.

Further, the shock absorbing pier 4 is composed of Q345 steel pads 13 which are oppositely arranged and GBT15096 bearing springs 14 which are arranged between the Q345 steel pads 13, the end parts of the GBT15096 bearing springs 14 respectively apply pressure to the Q345 steel pads 13, an effective material shock absorbing system can be formed between the GBT15096 bearing springs 14 and the Q345 steel pads 13, and the upper extrusion force is divided by the GBT15096 bearing springs 14.

Further, the region between the shock absorber pier 4 and the secondary bearing post 10 forms an extrusion stress hole 12, and when the shock absorber pier 4 is cracked due to overlarge extrusion force, the extrusion force can be secondarily pressed through the extrusion stress hole 12 through the arranged extrusion stress hole 12.

Further, the side of the secondary bearing post 10 is provided with a square sound absorbing plate 11, and the sound absorbing plate 11 is welded with the secondary bearing post 10, and the noise generated by the sound absorbing plate 11 can be transmitted to the inner side of the composite board 2 for dissipation by using the secondary bearing post 10.

Furthermore, the bottom pad 1, the composite board 2 and the top pad 3 are all made of Q235B steel, the Q235B steel has relatively low cost, and meanwhile, the rigidity and elasticity performance is good.

Working principle: firstly, the pad is required to be connected and installed, the pad is connected with related equipment by means of hooking, clamping and the like through an L-shaped steel plate, a connecting piece is sleeved on the lower part of the extrusion pad 6, the connection is fixedly carried out through a flat head bolt 8, the pad is installed to a rail for example, as a plurality of primary bearing columns 15 are arranged in the semi-open type composite board 2, the end parts of the primary bearing columns 15 are respectively connected with the bottom pad 1 and the top pad 3, pressure is respectively applied to the bottom pad 1 and the top pad 3, meanwhile, a damping pier 4 is arranged in the central area of the inner side of the composite board 2, when a train passes through the upper part of the device, the damping pad can effectively share the stress, the composite board 2 is prevented from being extruded and deformed, the excessive stress can be damped through a Q345 steel pad 13 in the damping pier 4, the GBT15096 bearing springs 14 and the Q345 steel pad 13 can form an effective material damping body, the extrusion force above the composite board is transmitted to the bottom pad 1 through the GBT15096 springs 14 in a partial pressure mode, finally the generated noise is transmitted to the sleeper to the ground, the generated noise can be transmitted to the ground through the sound absorbing board 11 to the secondary bearing columns, and the purpose of dispersing the noise can be achieved, and the purpose of the damping is achieved.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel high-elastic damping iron backing plate, includes collet (1), composite sheet (2) and top pad (3), its characterized in that: the damping device comprises a composite board (2), a bottom pad (1) and a top pad (3), wherein the bottom pad (1) and the top pad (3) are respectively arranged at the top and the bottom of the composite board (2) and are tightly bonded and fixed with the composite board (2), a plurality of primary bearing columns (15) are arranged on the inner side of the composite board (2), the ends of the primary bearing columns (15) are respectively connected with the bottom pad (1) and the top pad (3), pressure is respectively applied to the bottom pad (1) and the top pad (3), symmetrical extrusion pads (6) are arranged at the top of the top pad (3), L-shaped steel plates (7) are arranged at the top of the extrusion pads (6), the extrusion pads (6) are tightly welded with the L-shaped steel plates (7), the extrusion pads (6) are connected with the top pad (3) through flat head bolts (8) arranged on one side of the extrusion pad (6), fixing pieces (5) are arranged on the side surfaces of the extrusion pads (6), symmetrical round head bolts (9) are arranged at the top of the fixing pieces (5), secondary bearing columns (10) are arranged at the bottom of the fixing pieces (5), and the tops of the two-stage bearing columns (10) are respectively connected with the inner side of the inner side bearing columns (3) through the round bolts (9) which are connected with the center of the composite board (2; the damping pier (4) is composed of Q345 steel pads (13) which are oppositely arranged and GBT15096 bearing springs (14) which are arranged between the Q345 steel pads (13), and the end parts of the GBT15096 bearing springs (14) respectively apply pressure to the Q345 steel pads (13); and an extrusion stress hole (12) is formed in the area between the damping pier (4) and the secondary bearing column (10).

2. The novel high-elastic vibration-damping iron pad according to claim 1, wherein: the side of the secondary bearing column (10) is provided with a square sound-absorbing plate (11), and the sound-absorbing plate (11) is welded with the secondary bearing column (10).

3. The novel high-elastic vibration-damping iron pad according to claim 1, wherein: the bottom pad (1), the composite board (2) and the top pad (3) are all made of Q235B steel.