CN218345812U

CN218345812U - Shock-absorbing structure is fixed to subway track

Info

Publication number: CN218345812U
Application number: CN202222648668.XU
Authority: CN
Inventors: 陈昕; 李万祥
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-20
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to a track fixed shock-absorbing field especially relates to a fixed shock-absorbing structure of subway track, including buffer gear, stop gear and track main part, the buffer gear upside is connected with stop gear, and the stop gear upside is fixed with the track main part, and stop gear includes spacing seat, blotter, spacing groove, stopper and roof, and the inner wall of spacing seat both sides is inlayed and is had the blotter, and spacing seat upper surface is opened has two spacing grooves, and the spacing groove upside is provided with the stopper, and the stopper upside is connected with the roof; the beneficial effects are that: through setting up stop gear, make when subway drives on the track, stopper and spacing groove clearance fit can cushion the front and back inertia that partial subway brought, and the blotter of spacing seat both sides can cushion and produce the side offset force when the subway moves, effectively reduces horizontal and fore-and-aft impact force of spacing seat to the connecting rod, can reduce the metal fatigue of connecting rod to the life of extension connecting rod.

Description

Shock-absorbing structure is fixed to subway track

Technical Field

The utility model relates to a shock attenuation field is fixed to the track, especially relates to a shock-absorbing structure is fixed to subway track.

Background

The Subway is a form of railway transportation, and refers to an urban rail transit system mainly operated underground, namely, an underground railway or an underground railway (Subway, tube, underground) for short; many such systems, in order to fit into the construction environment and to take into account construction and operating costs, may be moved to ground or elevated sections outside the urban centre, where the subways are constructed by means of corresponding subway rail structures.

Patent number (CN 216040443U) discloses a shock-absorbing structure is fixed to subway track, the device includes the base, be provided with the cavity that symmetric distribution just arranged along vertical equidistance on the base, the slotted hole with the cavity intercommunication is seted up at the base top, the top of base is provided with the kickboard, kickboard bottom fixed mounting has the connecting rod, the one end that the kickboard was kept away from to the connecting rod passes the slotted hole and extends to in the cavity, the one end fixed mounting that the kickboard was kept away from to the connecting rod has the sliding plug with cavity inner wall sliding connection, the interior bottom fixed mounting of cavity has the direction telescopic link, the telescopic link fixed connection of direction telescopic link is in the bottom of sliding plug. The utility model discloses not only can carry on spacingly to the rail, prevent that the rail from taking place the skew, can reduce the noise that the rail operation in-process produced simultaneously, can also slow down the vibrations that the track produced in service, can effectual reduction dust pollute, improved the life of rail. However, when the subway runs at a high speed, the subway applies a large transverse and longitudinal impact force to the rail, the buffer base of the device is connected with the rail main body only through the connecting rod, and the rail main body is not provided with a device for buffering the transverse and longitudinal impact force, so that the connecting rod directly bears the transverse and longitudinal impact force generated by the subway, the metal fatigue of the connecting rod is easily generated for a long time, and the service life of the connecting rod is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shock-absorbing structure is fixed to subway track in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a fixed shock-absorbing structure of subway track, includes buffer gear, stop gear and track main part, the buffer gear upside is connected with stop gear, the stop gear upside is fixed with the track main part, stop gear includes spacing seat, blotter, spacing groove, stopper and roof, spacing seat both sides inner wall is inlayed and is had the blotter, open on the spacing seat upper surface has two the spacing groove, the spacing groove upside is provided with the stopper, the stopper upside is connected with the roof.

Preferably, the two sides of the limiting seat are protruded, the limiting groove and the limiting block are semi-cylindrical, and the limiting block is in clearance fit with the limiting groove.

Preferably, the track main part includes the track body, falls the board of making an uproar, fixed block, rubber pad and connecting bolt, install at track body both ends fall the board of making an uproar, track body both sides lower extreme is fixed with the fixed block, fall the board of making an uproar with be provided with between the fixed block the rubber pad, be connected with many in the fixed block connecting bolt.

Preferably, the fixing block is connected with the top plate through the connecting bolt.

Preferably, buffer gear includes buffer base, fixing bolt, buffering damping, buffer spring, connecting plate and connecting rod, buffer base both sides are connected with many fixing bolt, be provided with many in the buffer base buffer damping, buffer damping outer lane cover has buffer spring, the buffer damping upper end is connected with the connecting plate, the welding of connecting plate upside has the connecting rod.

Preferably, the buffer base is fixed with external concrete through the fixing bolt, damping liquid is arranged in the buffer damping, and the connecting rod is connected with the buffer base in a sliding mode.

The beneficial effects are that: through setting up stop gear, make when subway drives on the track, stopper and spacing groove clearance fit can cushion the front and back inertia that partial subway brought, and the blotter of spacing seat both sides can cushion and produce the side offset force when the subway moves, effectively reduces horizontal and fore-and-aft impact force of spacing seat to the connecting rod, can reduce the metal fatigue of connecting rod to the life of extension connecting rod.

Drawings

Fig. 1 is a schematic structural view of a subway rail fixing and damping structure according to the present invention;

fig. 2 is a front sectional view of a subway rail fixing and damping structure according to the present invention;

fig. 3 is an enlarged schematic view of a structure of a limiting seat of the subway rail fixing and damping structure according to the present invention;

fig. 4 is an enlarged view at I of fig. 2.

Description of the reference numerals:

1. a buffer mechanism; 2. a limiting mechanism; 3. a rail body; 101. a buffer base; 102. fixing the bolt; 103. buffering and damping; 104. a buffer spring; 105. a connecting plate; 106. a connecting rod; 201. a limiting seat; 202. a cushion pad; 203. a limiting groove; 204. a limiting block; 205. a top plate; 301. a track body; 302. a noise reduction plate; 303. a fixed block; 304. a rubber pad; 305. and connecting the bolts.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-4, a fixed damping structure for a subway rail comprises a buffer mechanism 1, a limiting mechanism 2 and a rail main body 3, wherein the limiting mechanism 2 is connected to the upper side of the buffer mechanism 1, and the rail main body 3 is fixed to the upper side of the limiting mechanism 2;

in this embodiment: the buffer mechanism 1 comprises a buffer base 101, fixing bolts 102, buffer dampers 103, buffer springs 104, a connecting plate 105 and connecting rods 106, wherein the two sides of the buffer base 101 are connected with the fixing bolts 102, the buffer base 101 is internally provided with the buffer dampers 103, the buffer springs 104 are sleeved on the outer rings of the buffer dampers 103, the upper ends of the buffer dampers 103 are connected with the connecting plate 105, the connecting rods 106 are welded on the upper sides of the connecting plate 105, the buffer base 101 is fixed with external concrete through the fixing bolts 102, damping liquid is arranged in the buffer dampers 103, and the connecting rods 106 are connected with the buffer base 101 in a sliding manner; by arranging the buffer mechanism 1, when the subway runs over the track body 301, the subway generates a downward acting force on the device under the action of gravity, the track body 301 transmits the downward acting force to the buffer damper 103 and the buffer spring 104 through the top plate 205, the limiting seat 201, the connecting rod 106 and the connecting plate 105, the movable end of the buffer damper 103 extrudes internal damping liquid, the buffer spring 104 converts the acting force into elastic force, and the downward acting force generated by the subway is buffered, so that the service life of the rail is prolonged.

In this embodiment: the limiting mechanism 2 comprises a limiting seat 201, a buffer pad 202, a limiting groove 203, a limiting block 204 and a top plate 205, the buffer pad 202 is embedded in the inner walls of two sides of the limiting seat 201, the upper surface of the limiting seat 201 is provided with two limiting grooves 203, the limiting block 204 is arranged on the upper side of the limiting grooves 203, the top plate 205 is connected to the upper side of the limiting block 204, the two sides of the limiting seat 201 are protruded, the limiting grooves 203 and the limiting block 204 are semi-cylindrical, and the limiting block 204 is in clearance fit with the limiting grooves 203; through setting up stop gear 2, stopper 204 and spacing groove 203 clearance fit can cushion the front and back inertia that partial subway brought, the blotter 202 of spacing seat 201 both sides can cushion and produce the side offset force when the subway moves, avoid roof 205 and spacing seat 201 to produce the collision, through blotter 202, spacing groove 203, stopper 204's buffering, can effectively reduce spacing seat 201 to connecting rod 106 horizontal and fore-and-aft impact force, can reduce connecting rod 106's metal fatigue, thereby prolong connecting rod 106's life.

In this embodiment: the track main body 3 comprises a track body 301, noise reduction plates 302, fixing blocks 303, rubber pads 304 and connecting bolts 305, wherein the noise reduction plates 302 are installed at two ends of the track body 301, the fixing blocks 303 are fixed at the lower ends of two sides of the track body 301, the rubber pads 304 are arranged between the noise reduction plates 302 and the fixing blocks 303, the connecting bolts 305 are connected in the fixing blocks 303, and the fixing blocks 303 are connected with the top plate 205 through the connecting bolts 305; through setting up track main part 3, when making the subway drive over on the track body 301, fall the noise that board 302 can reduce subway and the friction of the track body 301 and produce to play and fall the effect of making an uproar, fixed block 303 and connecting bolt 305 can avoid the too big kinetic energy of subway when the operation to lead to the track body 301 not hard up and skew simultaneously.

In the structure, when a subway runs on the track body 301, the noise reduction plate 302 can reduce noise generated by friction between the subway and the track body 301, so that a noise reduction effect is achieved, meanwhile, the fixing block 303 and the connecting bolt 305 can prevent the subway from loosening and deviating due to overlarge kinetic energy during running, meanwhile, the limiting block 204 and the limiting groove 203 are in clearance fit to buffer front and back inertia caused by partial subway, the buffer pads 202 on two sides of the limiting seat 201 can buffer side offset force generated during running of the subway, and the top plate 205 and the limiting seat 201 are prevented from colliding, transverse and longitudinal impact force of the limiting seat 201 on the connecting rod 106 can be effectively reduced through buffering of the buffer pads 202, the limiting groove 203 and the limiting block 204, metal fatigue of the connecting rod 106 can be reduced, so that the service life of the connecting rod 106 is prolonged, when the subway runs on the track body 301, a downward acting force is generated on the device due to the gravity, the track body 301 transmits a downward acting force to the buffer 103 and the buffer spring 104 through the top plate 205, the buffer spring 104, the movable end of the buffer 103 extrudes damping fluid inside, the buffer spring 104 converts the acting force into elastic force, so that the acting force of the buffer spring 104 generates the downward acting on the subway, and the service life of the subway is prolonged, and the subway is prolonged.

The foregoing illustrates and describes the general principles, features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A shock-absorbing structure is fixed to subway track which characterized in that: including buffer gear (1), stop gear (2) and track main part (3), buffer gear (1) upside is connected with stop gear (2), stop gear (2) upside is fixed with track main part (3), stop gear (2) are including spacing seat (201), blotter (202), spacing groove (203), stopper (204) and roof (205), spacing seat (201) both sides inner wall is inlayed and is had blotter (202), spacing seat (201) upper surface is opened there are two spacing groove (203), spacing groove (203) upside is provided with stopper (204), stopper (204) upside is connected with roof (205).

2. A fixed shock-absorbing structure for a subway rail according to claim 1, wherein: the limiting seat is characterized in that two sides of the limiting seat (201) are protruded, the limiting groove (203) and the limiting block (204) are semi-cylindrical, and the limiting block (204) is in clearance fit with the limiting groove (203).

3. A fixed shock-absorbing structure for a subway rail according to claim 1, wherein: track main part (3) include the track body (301), fall board (302), fixed block (303), rubber pad (304) and connecting bolt (305) of making an uproar, install track body (301) both ends fall board (302) of making an uproar, track body (301) both sides lower extreme is fixed with fixed block (303), fall board (302) of making an uproar with be provided with between fixed block (303) rubber pad (304), fixed block (303) in-connection has many connecting bolt (305).

4. A fixed shock absorbing structure of a subway rail according to claim 3, wherein: the fixing block (303) is connected with the top plate (205) through the connecting bolt (305).

5. A fixed shock-absorbing structure for a subway rail according to claim 1, wherein: buffer gear (1) is including buffering base (101), fixing bolt (102), buffering damping (103), buffer spring (104), connecting plate (105) and connecting rod (106), buffering base (101) both sides are connected with many fixing bolt (102), be provided with many in buffering base (101) buffering damping (103), buffering damping (103) outer lane cover has buffer spring (104), buffering damping (103) upper end is connected with connecting plate (105), the welding of connecting plate (105) upside has connecting rod (106).

6. A fixed shock-absorbing structure of a subway rail according to claim 5, wherein: the buffer base (101) is fixed with external concrete through the fixing bolt (102), damping liquid is arranged in the buffer damping (103), and the connecting rod (106) is connected with the buffer base (101) in a sliding mode.