CN216786711U

CN216786711U - Vibration reduction fastener with transverse limiting function

Info

Publication number: CN216786711U
Application number: CN202220382996.7U
Authority: CN
Inventors: 王晨宇; 王方甫; 周石磊; 李艳
Original assignee: Hebei Zhongshuo Rail Technology Co ltd
Current assignee: Hebei Zhongshuo Rail Technology Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-06-21
Anticipated expiration: 2032-02-22

Abstract

A vibration damping fastener with a transverse limiting function comprises an upper iron plate, a vibration damping pad, a lower iron plate, a fixing device and a mounting device, wherein the upper iron plate, the vibration damping pad and the lower iron plate are sequentially arranged from top to bottom; the utility model has the beneficial effects that: the device realizes the fixation of the steel rail of the whole device and the vibration and noise reduction effect by arranging the upper iron plate, the vibration damping pad, the lower iron plate, the fixing device and the mounting device; meanwhile, the limiting baffle on the lower iron plate limits and fixes the upper iron plate transversely, so that the device is prevented from shifting transversely in the using process; therefore, the device can be ensured to fix and damp the steel rail, and the risk that the device is damaged due to the fact that the device part is displaced due to external pressure in the using process of the device can be effectively reduced.

Description

Vibration damping fastener with transverse limiting function

Technical Field

The utility model relates to the technical field of rail transit equipment, in particular to a rail vibration reduction fastener for improving the stability of a device.

Background

The urban rail transit is a vehicle transportation system which adopts a rail structure for bearing and guiding, a fully-closed or partially-closed special rail line is arranged according to the requirement of the overall planning of the urban transit, and a public transportation mode of transporting passenger flow of a considerable scale in a train or single vehicle mode is adopted; urban rail transit includes: subway system, light rail system, monorail system, tram, magnetism system, automatic guidance track system, urban area fast track system.

In rail transit, whether underground lines, ground lines or elevated lines, when a train runs through areas such as residential areas, hospitals, office areas and the like, the impact of wheels and steel rails can cause vibration, and after the vibration is transmitted to surrounding buildings, the normal work and life of people nearby are seriously influenced; the vibration of the steel rail is restrained from spreading to the periphery, and the most widely adopted method is to utilize a steel rail vibration damping fastener; because the steel rail vibration damping fastener has certain flexibility, the steel rail vibration damping fastener generates elastic deformation when a vehicle runs, and can effectively reduce the propagation of vibration to the periphery.

The damping fastener generally comprises multilayer structure, because the track fastener need bear the weight of rail and vehicle, and the inboard outside atress of damping fastener is uneven, not only can cause the structural deformation of damping fastener, especially the fastener is the multilayer structure design, has the condition of lateral shifting between the part of track fastener.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a vibration-damping fastener with a transverse limiting function, which realizes the fixation of rail parts through a structure between the parts.

The utility model is realized by the following technical scheme: a vibration damping fastener with a transverse limiting function comprises an upper iron plate, a vibration damping pad, a lower iron plate, a fixing device and a mounting device, wherein the upper iron plate, the vibration damping pad and the lower iron plate are sequentially arranged from top to bottom; the diagonal position of the upper iron plate is provided with a fixing device, and the mounting device penetrates through the upper iron plate, the vibration damping pad and the lower iron plate.

Preferably, the fixing device comprises a fixing seat, a fixing hole and a fixing elastic strip, the fixing seat is arranged at the diagonal position of the upper iron plate, and the fixing elastic strip is fixed on the fixing seat through the fixing hole.

Furthermore, the inner side of the fixing seat is provided with a track gauge block, the track gauge block is of an L-shaped structure, and the outer side of the track gauge block is provided with a groove corresponding to the fixing seat.

Preferably, the inner side of the limiting baffle is provided with a limiting pad, the limiting baffle is provided with a fixing groove, and the lower part of the limiting pad is provided with a fixing edge corresponding to the fixing groove.

Preferably, the lower iron plate is provided with a vibration reduction groove, and the vibration reduction pad is provided with a non-uniform structure corresponding to the vibration reduction groove.

Preferably, the upper iron plate, the vibration damping pad and the lower iron plate are provided with pre-tightening bolts, and the pre-tightening bolts penetrate through the upper iron plate, the vibration damping pad and the lower iron plate.

Furthermore, the upper iron plate is provided with bolt holes corresponding to the pre-tightening bolts, and the bolt holes are of an invagination structure corresponding to the pre-tightening bolts.

Furthermore, the top of the pre-tightening bolt is of an inwards-recessed hexagonal structure.

Preferably, the mounting device comprises a mounting bolt, a bolt sleeve and a mounting plate, wherein a boss is arranged on the lower iron plate, the boss is of a cylindrical structure with the center penetrating through the lower iron plate, a circular mounting hole is formed in the position, corresponding to the boss, of the upper iron plate, the mounting bolt penetrates through the boss and is mounted in a matched mode with the bolt sleeve, and the mounting plate is sleeved on the mounting bolt; the lower surface of the mounting plate and the upper surface of the boss are correspondingly provided with sawtooth structure veins.

Preferably, a coupling pad plate is arranged below the lower iron plate.

The utility model has the beneficial effects that: the device realizes the fixation of the steel rail of the whole device and the vibration and noise reduction effect by arranging the upper iron plate, the vibration damping pad, the lower iron plate, the fixing device and the mounting device; meanwhile, the limiting baffle on the lower iron plate limits and fixes the upper iron plate transversely, so that the device is prevented from shifting transversely in the using process; therefore, the device can be ensured to fix and damp the steel rail, and the risk that the device is damaged due to the fact that the device part is displaced due to external pressure in the using process of the device can be effectively reduced.

Drawings

Fig. 1 is a schematic view of a vibration damping fastener with a transverse limiting function, which is disassembled from the whole device.

Fig. 2 is a schematic view of the overall structure of a vibration-damping fastener with a lateral spacing function.

Fig. 3 is a schematic cross-sectional view of an overall device of a vibration-damping fastener with a lateral limiting function.

Fig. 4 is a schematic view of a lower iron plate of a vibration-damping fastener with a lateral limiting function.

Fig. 5 is a schematic view of a damping pad of a damping fastener with a lateral limiting function.

Fig. 6 is a schematic view of a main view angle of a damping pad of a damping fastener with a lateral limiting function.

Fig. 7 is a schematic structural view of a mounting device of a vibration damping fastener with a transverse limiting function.

Wherein: 1. an upper iron plate; 11. a limit baffle; 2. a pad under the rail; 3. a vibration damping pad; 4. a lower iron plate; 41. a boss; 42. a vibration damping groove; 5. a fixing device; 51. a fixed seat; 52. a fixing hole; 53. fixing the elastic strip; 6. a mounting device; 61. installing a bolt; 62. a bolt bushing; 63. mounting a plate; 7. a limiting pad; 71. fixing edges; 72. a fixing groove; 8. a gauge block; 9. pre-tightening the bolts; 91. and coupling the backing plate.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, a vibration damping fastener with a transverse limiting function comprises an upper iron plate 1, a vibration damping pad 3, a lower iron pad 4, a fixing device 5 and a mounting device 6, wherein the upper iron plate 1, the vibration damping pad 3 and the lower iron pad 4 are sequentially arranged from top to bottom; is the main supporting structure of the whole device; a rail lower pad 2 is arranged above the upper iron plate 1 and directly contacts the steel rail, so that the vibration and noise reduction functions are realized; the position of the diagonal of the lower iron pad 4 is provided with a limit baffle 11, and the limit baffle 11 is used for fixing the positions of the upper iron plate 1 and the lower iron plate 4, so that the device is prevented from shifting in the transverse position in the use process; a fixing device 5 is arranged at the diagonal position of the upper iron plate 1 and used for fixing the device and the steel rail; the mounting device 6 penetrates through the upper iron plate 1, the vibration damping pad 3 and the lower iron pad 4, the mounting device 6 realizes combination and fixation of all parts of the device, and meanwhile, the device is fixed with a sleeper and a track plate.

Fixing device 5 includes fixing base 51, fixed orifices 52 and fixed bullet strip 53, and fixing base 51 sets up in the diagonal position of last iron plate 1, and fixed bullet strip 53 is fixed in fixing base 51 through fixed orifices 52 on, carries out the buckle of rail through fixed bullet strip 53 and fixes, and the fixing orifice 52 is inserted to fixed bullet strip 53, realizes rail and the fixed of last iron plate 1.

The inboard gauge block 8 that sets up of fixing base 51, gauge block 8 are L shape structure, and the gauge block 8 outside corresponds fixing base 51 and sets up the recess, can guarantee that fixed bullet strip 53 and rail are firmly fixed, and gauge block 8 has certain elasticity simultaneously, can play the effect of vibration damping and noise reduction.

Spacing baffle 11 inboard sets up spacing pad 7, sets up fixed slot 72 on spacing baffle 11, and the lower part of spacing pad 7 corresponds fixed slot 72 and sets up fixed arris 71, and spacing pad 7 is used for filling the gap between spacing baffle 72 and the last iron plate 1, and spacing pad 7 has certain elasticity, can play the effect of making an uproar falls in the damping, and the emergence of the horizontal aversion condition of iron plate 1 takes place in the prevention that can be better simultaneously.

The lower iron pad 4 is provided with the vibration reduction groove 42, the vibration reduction pad 3 is provided with a non-uniform structure corresponding to the vibration reduction groove, and the situation that the vibration reduction pad 3 shifts during the use process of the device can be ensured.

The upper iron plate 1, the vibration damping pad 3 and the lower iron pad 4 are provided with pre-tightening bolts 9, and the pre-tightening bolts 9 penetrate through the upper iron plate 1, the vibration damping pad 3 and the lower iron pad 4; the device is conveniently fixed in the production process, and meanwhile, when the damping effect of the damping pad 3 is poor, the pressure of the damping pad 3 of the device can be improved by tightening the pre-tightening bolt 9, so that the damping effect of the device is ensured.

A bolt hole is formed in the upper iron plate 1 corresponding to the pre-tightening bolt 9, and the bolt hole is of an inward-concave structure corresponding to the pre-tightening bolt 9; the top of pretension bolt 9 is the hexagonal structure that caves in, can effectively guarantee hiding of pretension bolt 9, avoids causing pretension bolt 9 the unexpected not hard up condition to appear, and the hexagonal structural design that caves in at pretension bolt 9 top simultaneously conveniently carries out screwing of pretension bolt 9.

The mounting device 6 comprises a mounting bolt 61, a bolt sleeve 62 and a mounting plate 63, wherein a boss 41 is arranged on the lower iron pad 4, the boss 41 is a cylindrical structure with the center penetrating through the lower iron pad 4, a circular mounting hole is arranged at the position of the upper iron plate 1 corresponding to the boss 41, the mounting bolt 61 penetrates through the boss 41 and is mounted in a matched manner with the bolt sleeve 62, and the mounting plate 63 is sleeved on the mounting bolt 61; the fixing device is used for fixing all parts of the integral device and fixing the integral device and the track slab; the lower surface of the mounting plate 63 and the upper surface of the boss 41 are correspondingly provided with sawtooth structure veins, the upper iron plate 1, the damping pad 3 and the lower iron plate 4 can be fixed through the mounting plate 63 and the boss 41, and self-locking fixation can be realized by matching the sawtooth structure veins on the lower surface of the mounting plate 63 and the upper surface of the boss 41; the bolt sleeve 62 is provided with threads on the outer side thereof for fixing and mounting the integrated device to the track plate.

A coupling base plate 91 is arranged below the lower iron pad 4; the whole device can be protected, and the vibration reduction effect of the device can be improved.

Principle of operation

When the device is produced and assembled, the upper iron plate 1, the damping pad 3 and the lower iron plate 4 are sequentially placed from top to bottom, and the pre-tightening bolts 9 are installed and fixed; then, the coupling base plate 91 is placed below the lower iron plate 3, and the mounting device 5 is fixedly mounted; then, inserting the fixing edge 71 of the limiting pad 7 into a direct gap between the upper iron plate 1 and the limiting baffle 11 along the fixing groove 72 of the limiting baffle 11; finally, the fixing device 6 is pre-installed, and the assembly of the device is completed.

When the device is installed, the steel rail is installed through the fixing device 5, firstly, the steel rail is placed on the rail lower pad 2, and then the gauge block 8 is inserted from the upper side along the fixed seat 51 to ensure that the gauge block is tightly attached to the steel rail; finally, the fixing elastic strip 53 is inserted into the fixing hole 52 to ensure that the fixing elastic strip 53 clamps the steel rail, and the steel rail is installed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a damping fastener with horizontal limit function which characterized in that: the damping device comprises an upper iron plate, a damping pad, a lower iron plate, a fixing device and a mounting device, wherein the upper iron plate, the damping pad and the lower iron plate are sequentially arranged from top to bottom; the diagonal position of the upper iron plate is provided with a fixing device, and the mounting device penetrates through the upper iron plate, the vibration damping pad and the lower iron plate.

2. The vibration-damping fastener with the transverse limiting function according to claim 1, wherein: the fixing device comprises a fixing seat, a fixing hole and a fixing elastic strip, wherein the fixing seat is arranged at the diagonal position of the upper iron plate, and the fixing elastic strip is fixed on the fixing seat through the fixing hole.

3. The vibration damping fastener with the transverse limiting function according to claim 2, wherein: the rail gauge block is arranged on the inner side of the fixing seat and is of an L-shaped structure, and a groove is formed in the outer side of the rail gauge block corresponding to the fixing seat.

4. The vibration-damping fastener with the transverse limiting function according to claim 1, wherein: the limiting baffle is characterized in that a limiting pad is arranged on the inner side of the limiting baffle, a fixing groove is formed in the limiting baffle, and a fixing edge is arranged on the lower portion of the limiting pad and corresponds to the fixing groove.

5. The vibration-damping fastener with the transverse limiting function according to claim 1, wherein: the lower iron plate is provided with a vibration reduction groove, and the vibration reduction pad is arranged to be of a non-uniform structure corresponding to the vibration reduction groove.

6. The vibration-damping fastener with the transverse limiting function according to claim 1, wherein: the upper iron plate, the vibration reduction pad and the lower iron plate are provided with pre-tightening bolts, and the pre-tightening bolts penetrate through the upper iron plate, the vibration reduction pad and the lower iron plate.

7. The vibration damping fastener with the transverse limiting function according to claim 6, wherein: the upper iron plate is provided with bolt holes corresponding to the pre-tightening bolts, and the bolt holes are of an invagination structure corresponding to the pre-tightening bolts.

8. The vibration damping fastener with the transverse limiting function according to claim 6, wherein: the top of the pre-tightening bolt is of an inwards-recessed hexagonal structure.

9. The vibration-damping fastener with the transverse limiting function according to claim 1, wherein: the mounting device comprises a mounting bolt, a bolt sleeve and a mounting plate, wherein a boss is arranged on the lower iron plate, the boss is of a cylindrical structure with the center penetrating through the lower iron plate, a circular mounting hole is formed in the position, corresponding to the boss, of the upper iron plate, the mounting bolt penetrates through the boss and is mounted in a matched mode with the bolt sleeve, and the mounting plate is sleeved on the mounting bolt; the lower surface of the mounting plate and the upper surface of the boss are correspondingly provided with sawtooth structure veins.

10. The vibration-damping fastener with the transverse limiting function according to claim 1, wherein: and a coupling base plate is arranged below the lower iron plate.