CN108868813B - A kind of railway tunnel buffer structure - Google Patents

Abstract

The invention discloses a kind of railway tunnel buffer structures comprising pedestal is equipped with several buffer boards by track slot on pedestal, buffer board includes backing plate, backing plate activity is set in track slot, and the front end of backing plate is connected with lower annular plate, and the upper surface of lower annular plate is connected with upper, annular plate；It is arranged in parallel with several anti-skidding bayonets on pedestal, is movably installed with anti-skidding snap-gauge on anti-skidding bayonet.The present invention can adapt to different operating conditions, be adjusted as needed to buffer structure, with the buffering effect being optimal, and then realize optimal noise reduction effect.

Description

A railway tunnel buffer structure

technical field

The invention relates to the technical field of railway tunnels, in particular to a railway tunnel buffer structure.

Background technique

The traditional buffer structure is formed by pouring concrete. Once formed, it can only achieve the optimal noise reduction effect for one working condition; and if the working conditions change later, the existing concrete buffer structure cannot adapt to the new one. The optimal noise reduction effect cannot be achieved, which will affect the comfort of passengers and the environment of the opening.

At the same time, in the event of a strong earthquake, the traditional concrete structure buffer structure is likely to be damaged, which will affect the safety of the entire line, because when an earthquake occurs, the tunnel entrance is generally the most severely damaged.

SUMMARY OF THE INVENTION

Aiming at the above deficiencies of the prior art, the present invention provides a railway tunnel buffer structure that can adapt to different working conditions.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A railway tunnel buffer structure is provided, which includes a base, a plurality of buffer plates are installed on the base through a rail groove, the buffer plate includes a backing plate, the backing plate is movably set in the rail groove, and the front end of the backing plate is connected with a lower annular ring. The upper surface of the lower annular plate is movably connected with the upper annular plate; a plurality of anti-skid bayonets are arranged in parallel on the base, and the anti-skid bayonet is movably installed with a non-slip bayonet.

In the above technical solution, preferably, several supporting rolling bearings are symmetrically arranged on the upper surface, the lower surface and both sides of the rail groove, and the backing plate is movably connected to the rail groove through the supporting rolling bearings.

In the above technical solution, preferably, a support plate is installed on the upper part of the backing plate, and the front end of the support plate is connected with the lower annular plate.

In the above technical solution, preferably, the lower annular plate is provided with a plurality of transmission gears, and the upper annular plate is provided with a gear guide that cooperates with the transmission gears.

In the above technical solution, preferably, an anti-skid lock is provided at a position corresponding to the front end of the lower annular plate and the gear guide rail.

In the above technical solution, preferably, a plurality of lower rolling bearings are arranged on the top of the lower annular plate, and an upper guide rail matched with the lower rolling bearings is arranged on the upper annular plate.

In the above-mentioned technical scheme, preferably, the two sides of the front end of the lower annular plate are provided with anti-roll bar, and the lower side of the upper annular plate and the corresponding position of the anti-roll bar are provided with an upper guide rail that cooperates with the anti-roll bar. .

In the above technical solution, preferably, a pull ring is provided at the relative position of the front side surface of the lower annular plate and the rear end of the support plate.

In the above technical solution, preferably, the base includes two symmetrically arranged, and four buffer plates are arranged side by side on each base; each buffer plate corresponds to two pads and two rail grooves.

In the above technical solution, preferably, the rail groove and the backing plate are made of steel, and the base is made of concrete.

The main beneficial effects of the above-mentioned railway tunnel buffer structure provided by the present invention are:

By setting the buffer plate on the base to a structure that can slide along the rail grooves, and setting the buffer plate to a structure in which the upper and lower annular plates can move relatively, the structure can be adjusted according to the speed of the train and the needs of other working conditions. The buffer structure is adjusted to achieve the optimal buffering effect, thereby achieving the best noise reduction effect.

The upper and lower annular plates are connected by the lower rolling bearing and the transmission gear, and the lower rolling bearing is used to support the gravity of the upper annular plate, thereby reducing the frictional force generated when the upper and lower annular plates slide relative to each other; The two structures ensure the use effect of the buffer plate and can effectively improve its service life.

By designing a non-slip lock, the upper annular plate can be prevented from sliding down uncontrollably under the action of gravity, so as to ensure the stability of the structure; thereby detaching from the lower plate.

By setting the rail groove and the backing plate as steel materials, the seismic performance is better than that of the concrete structure.

Description of drawings

Figure 1 is the general assembly drawing of the railway tunnel buffer structure.

Figure 2 is a front view of the railway tunnel buffer structure.

Figure 3 is a rear view of the lower annular plate.

Figure 4 is a front view of the upper annular plate.

Figure 5 is a side view of the railway tunnel buffer structure.

Figure 6 is a side sectional view of the railway tunnel buffer structure.

FIG. 7 is a schematic view of the structure of the anti-skid locking portion.

Among them, 1. Base, 11, Rail groove, 111, Support rolling bearing, 12, Anti-skid bayonet, 13, Anti-skid card plate, 2. Buffer plate, 21, Backing plate, 22, Support plate, 221, Pull ring, 23 , The lower ring plate, 231, the lower rolling bearing, 232, the transmission gear, 233, the anti-skid lock, 234, the anti-roll bar, 24, the upper ring plate, 241, the upper rail, 242, the gear rail.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings:

As shown in Figure 1, it is a schematic structural diagram of a railway tunnel buffer structure.

The present invention provides a railway tunnel buffer structure including a base 1, a plurality of buffer plates 2 are installed on the base 1 through rail grooves 11, the buffer plates 2 include a backing plate 21, the base 1 includes two symmetrically arranged, and each base 1 Four buffer plates 2 are arranged side by side; each buffer plate 2 has two corresponding backing plates 21 and two rail grooves 11 .

As shown in FIG. 5 and FIG. 6 , the backing plate 21 is movably set in the rail groove 11 , and a plurality of supporting rolling bearings 111 are symmetrically arranged on the upper surface, the lower surface and both sides of the rail groove 11 . The rail groove 11 is movably connected.

As shown in Figures 2 and 3, the front end of the backing plate 21 is connected with a lower annular plate 23, the upper part of the backing plate 21 is mounted with a supporting plate 22, and the front end of the supporting plate 22 is connected with the lower annular plate 23; An upper annular plate 24 is movably connected to the surface; a plurality of anti-skid bayonets 12 are arranged in parallel on the base 1 , and a non-slip bayonet 13 is movably installed on the anti-skid bayonet 12 .

The lower annular plate 23 is provided with a plurality of transmission gears 232, and the upper annular plate 24 is provided with a gear guide 242 matched with the transmission gear 232;

As shown in FIG. 7 , the anti-skid lock 233 includes a connecting rod installed on the front end of the lower annular plate 23, the connecting rod is hinged with a rotating shaft, the lower end of the rotating shaft is connected with the front end of the lower annular plate 23 through a spring, and the upper side of the rotating shaft is connected to the lower part through a soft rope The front end of the annular plate 23 is connected, and the upper end of the rotating shaft is in contact with the tooth groove of the gear guide 242. When the upper annular plate 23 slides down uncontrollably under the action of gravity, the tooth groove of the gear guide 242 drives the end of the rotating shaft to move. Turning clockwise, the other end of the rotating shaft drives the spring to stretch. When the spring is stretched to the limit, the rotating shaft no longer rotates, thereby restricting the relative movement of the gear guide 242 and the rotating shaft, thereby restricting the movement of the upper annular plate 23 .

A number of lower rolling bearings 231 are arranged on the top of the lower annular plate 23. As shown in FIG. 4, the upper annular plate 24 is provided with an upper guide rail 241 that cooperates with the lower rolling bearing 231; The lower rolling bearing 231 is used to bear the gravity of the upper annular plate 24, thereby reducing the friction force generated when the upper and lower annular plates slide relative to each other; the power for the relative movement of the upper and lower annular plates is provided by the transmission gear 232, and the buffer plate 2 is ensured by designing two structures respectively. the use effect, and can effectively improve its service life.

The two sides of the front end of the lower annular plate 23 are provided with anti-roll bar 234, and the anti-roll bar 234 does not include two upper and lower; The upper guide rail 241 to which the anti-roll bar 234 is matched, the upper and lower ends of the upper guide rail 241 are closed, so as to be snap-fitted with the anti-roll bar 234; when the upper annular plate 24 reaches the front end position relative to the lower annular plate 23, Under the action of gravity, it turns downwards, thereby detaching from the lower annular plate 23; through the anti-roll bar 234 abutting on the upper guide rails 241 on both sides of the upper annular plate 24, under the action of the anti-roll bar 234, the upper The annular plate 24 cannot continue to slide upwards, so it can only move in a limited range, thereby avoiding the situation of being separated from the lower annular plate 23 .

A pull ring 221 is provided at the opposite position of the front side of the lower annular plate 23 and the rear end of the support plate 22 . The pull ring 221 facilitates the movement of the position of the backing plate 21 in the rail groove 11 .

The railway tunnel buffer structure of the present invention includes the description of the specific embodiments of the present invention above, so that those skilled in the art can understand the present invention. For personnel, as long as various changes are within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations utilizing the inventive concept are included in the protection list.

Claims (10)

1. A railway tunnel buffer structure, characterized in that it comprises a base (1), a plurality of buffer plates (2) are installed on the base (1) through rail grooves (11), and the buffer plates (2) comprise pads The plate (21), the backing plate (21) is movably set in the rail groove (11), the front end of the backing plate (21) is connected with the lower annular plate (23), and the upper surface of the lower annular plate (23) is movably connected with the upper An annular plate (24); a plurality of anti-skid bayonets (12) are arranged in parallel on the base (1), and an anti-skid bayonet (13) is movably installed on the anti-skid bayonet (12). 2. The railway tunnel buffer structure according to claim 1, wherein a plurality of supporting rolling bearings (111) are symmetrically arranged on the upper surface, the lower surface and both sides of the rail groove (11), and the backing plate (111) 21) Actively connected with the rail groove (11) through the supporting rolling bearing (111). 3 . The railway tunnel buffer structure according to claim 1 , wherein a support plate ( 22 ) is installed on the upper part of the backing plate ( 21 ), and the front end of the support plate ( 22 ) is connected with the lower annular plate ( 23 ). 4 . . 4. The railway tunnel buffer structure according to claim 1, characterized in that, a plurality of transmission gears (232) are arranged in the lower annular plate (23), and transmission gears are arranged on the upper annular plate (24) (232) cooperating gear rail (242). 5 . The railway tunnel buffer structure according to claim 4 , characterized in that an anti-skid lock ( 233 ) is provided at a position corresponding to the front end of the lower annular plate ( 23 ) and the gear guide rail ( 242 ). 6 . 6 . The railway tunnel buffer structure according to claim 1 , wherein a plurality of lower rolling bearings ( 231 ) are arranged on the top of the lower annular plate ( 23 ), and the upper annular plate ( 24 ) is provided with a The upper guide rail (241) to which the rolling bearing (231) is fitted. 7. The railway tunnel buffer structure according to claim 6, characterized in that, both sides of the front end of the lower annular plate (23) are provided with anti-roll bar (234), and the upper annular plate (24) An upper guide rail (241) matched with the anti-rolling blocking rod (234) is provided at the position corresponding to the lower side of the anti-rolling blocking rod (234). 8 . The railway tunnel buffer structure according to claim 3 , wherein a pull ring ( 221 ) is provided at the relative position of the front side of the lower annular plate ( 23 ) and the rear end of the support plate ( 22 ). 9 . 9. The railway tunnel buffer structure according to claim 1, characterized in that it comprises two symmetrically arranged bases (1), and the buffer plates (2) on each base (1) are juxtaposed with four There are two backing plates (21) and two rail grooves (11) corresponding to each buffer plate (2). 10 . The railway tunnel buffer structure according to claim 1 , wherein the rail groove ( 11 ) and the backing plate ( 21 ) are made of steel, and the base ( 1 ) is made of concrete. 11 .