CN220079799U - Railway sound barrier - Google Patents

Abstract

The present disclosure relates to a railway sound barrier comprising a safety door, a plurality of barrier bodies, a plurality of posts; the plurality of stand columns are arranged at one side of the railway at intervals along the extending direction of the railway, and a barrier body is arranged between every two adjacent stand columns; the height of at least one barrier body is smaller than that of the corresponding upright post and is flush with the top of the corresponding upright post, so that the bottom end of the barrier body and the corresponding two upright posts jointly define a containing frame; the emergency exit includes door frame and door leaf that the door frame matches, and the outer wall of door frame is fixed with the inner wall of holding frame, is provided with the abatvoix on at least one side of door leaf, and the door leaf is located the door frame and rotates with one of them stand to be connected, and the door leaf can be moved in order to open and close the emergency exit towards the direction of keeping away from or being close to the railway, and the staff of maintenance can follow the emergency exit like this and get in and out conveniently, helps improving work efficiency.

Description

Railway sound barrier

Technical Field

The disclosure relates to the technical field of railway sound barrier construction, in particular to a railway sound barrier.

Background

The sound barrier is a specially designed acoustic baffle that stands between the noise source and the sound receiving point. Are typically designed for a particular sound source and a particular protected area. The sound barrier is a wall structure provided on the side of a railway in order to reduce the influence of driving noise on the residents in the vicinity. A means, also known as a sound barrier, is interposed between the source and the recipient to provide a significant additional attenuation of the propagation of sound waves, thereby attenuating the noise effects in the area where the recipient is located.

In the railway sound barrier disclosed in chinese patent publication No. CN 201512751U, a barrier unit structure is fixed between the upright posts, the lower portions of the upright posts are vertical, and the upper portions thereof are inclined inward; the barrier unit structure between the vertical parts of the upright posts is that a first metal shutter sound absorbing plate, a light-transmitting sound absorbing plate, a second metal shutter sound absorbing plate and a metal sound insulating plate are sequentially arranged from bottom to top; the barrier cell structure between the inclined portions of the uprights is a metallic sound insulating panel.

However, in the related art, the distance of the sound barrier is long along the extending direction of the railway, which causes inconvenient access of maintenance staff and affects the working efficiency.

Disclosure of Invention

To solve or at least partially solve the above technical problems, the present disclosure provides a railway sound barrier.

The present disclosure provides a railway sound barrier comprising a safety door, a plurality of barrier bodies, and a plurality of posts;

the plurality of stand columns are arranged at one side of the railway at intervals along the extending direction of the railway, and the barrier body is arranged between two adjacent stand columns;

at least one barrier body is smaller than the corresponding upright posts in height and is flush with the tops of the corresponding upright posts, so that the bottom end of the barrier body and the corresponding two upright posts jointly define a containing frame for containing the safety door;

the safety door comprises a door frame and a door leaf matched with the door frame, wherein the outer wall of the door frame is relatively fixed with the inner wall of the accommodating frame, an acoustic board is arranged on at least one surface of the door leaf, and the door leaf is positioned in the door frame and is rotationally connected with one of the upright posts so that the door leaf can move towards a direction far away from a railway to open the safety door; the door leaf is movable in a direction approaching the railway to close the security door.

Optionally, the door leaf comprises two door panels which are opened in opposite directions;

in the direction of arranging of stand, the door frame includes two relative settings and fixes respectively two on the stand indulge the frame, two the door plant rotates respectively to be connected on two indulge the frame, two the door plant can move towards the direction of keeping away from each other, in order to open the emergency exit to can move towards the direction of being close to each other, in order to close the emergency exit.

Optionally, the door leaf is provided with the lock towards the one side of railway, the lock includes the inserted bar and can supply the jack that the inserted bar worn to establish, the inserted bar sets up two on one of the door leaf, the jack sets up two on one of the door leaf, the inserted bar can be towards being close to or keep away from the direction of jack.

Optionally, two sides of the upright posts facing the safety door are provided with accommodating grooves, the door frame comprises two opposite longitudinal frames in the arrangement direction of the upright posts, and the two longitudinal frames are respectively accommodated in the accommodating grooves of the two upright posts and are relatively fixed in the corresponding upright posts.

Optionally, each of the longitudinal frames includes a main frame and an auxiliary frame;

the auxiliary frame is fixed on one face of the main frame, which faces the railway, the upright post is provided with an internal threaded hole on one face of the railway, a locking piece with external threads is arranged in the internal threaded hole in a penetrating mode, and one face, deviating from the railway, of the locking piece is abutted against one face, facing the railway, of the auxiliary frame.

Optionally, the locking piece comprises a lock rod, a lock cap and a stop surface;

the lock rod is provided with external threads matched with the internal threaded holes, the lock rod is arranged in the internal threaded holes in a penetrating mode, the stop surface is connected to one end of the lock rod, which faces the auxiliary frame, and is propped against the auxiliary frame, the lock cap is connected to the lock rod in a threaded mode, and the stop surface is stopped on one surface of the upright post, which faces the auxiliary frame.

Optionally, a rubber pad is arranged between the stop surface and the auxiliary frame;

and/or a steel backing plate is arranged between the stop surface and the auxiliary frame, and the vertical projection of the stop surface on the auxiliary frame is positioned in the vertical projection of the steel backing plate on the auxiliary frame.

Optionally, the door leaf comprises at least two connected plate bodies;

at least two plate bodies are sequentially stacked along the thickness direction of the door frame, and a hollow sound absorption cavity is formed between two adjacent plate bodies.

Optionally, at least one surface of the door leaf is provided with a handle;

and/or the sound absorbing plate and the barrier body are made of the same material;

and/or the outer wall of the door leaf is provided with an anti-corrosion layer.

Optionally, the door leaf is rotationally connected to the door frame through at least two hinge hinges, and at least two hinge hinges are arranged at intervals along the height direction of the upright post.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the railway sound barrier provided by the disclosure has the advantages that the height of at least one barrier body is smaller than that of the corresponding two stand columns and is flush with the tops of the corresponding two stand columns, so that the bottom end of the barrier body and the corresponding two stand columns jointly define a containing frame for containing the safety door, and the safety door is connected in the containing frame. The safety door comprises a door frame and a door leaf matched with the door frame, the outer wall of the door frame is relatively fixed with the inner wall of the accommodating frame, at least one surface of the door leaf is provided with a sound absorbing plate, and the door leaf is positioned in the door frame and is rotationally connected with one of the upright posts, so that the door leaf can move towards a direction far away from a railway to open the safety door; the door leaf can move towards the direction close to the railway to close the safety door, so that maintenance staff can enter and exit from the safety door conveniently, and the working efficiency is improved. Meanwhile, the safety door disclosed by the utility model is characterized in that the door leaf is rotated towards the direction far away from the railway, namely outwards rotated to be opened, and the door leaf is moved towards the direction close to the railway, namely inwards rotated to be reset to be closed, that is to say, the opening and closing of the safety door cannot occupy and interfere with the space of the railway, and the layout is reasonable. In addition, if an emergency exists, people positioned along the railway can also be evacuated from the safety door, so that the use safety of the railway sound barrier disclosed by the utility model is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of a railway sound barrier according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a structure of a first view of a safety door of a railway sound barrier according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a second view of a safety door of a railway sound barrier according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a partial enlarged view at B in FIG. 4;

fig. 6 is a schematic diagram of a connection structure between a vertical column and a longitudinal frame of a railway sound barrier according to an embodiment of the disclosure.

1, a safety door; 11. a door frame; 111. a longitudinal frame; 1111. a main frame; 1112. an auxiliary frame; 112. a transverse frame; 12. a door leaf; 121. a door panel; 122. a plate body; 123. a sound absorbing cavity; 2. a barrier body; 3. a column; 31. a receiving groove; 4. a door lock; 41. a rod; 42. a jack; 5. a locking member; 51. a lock lever; 52. a locking cap; 53. a stop surface; 6. a rubber pad; 7. a steel backing plate; 81. a handle; 82. a hinge; 9. a support beam.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

Referring to fig. 1 to 6, the present embodiment provides a railway sound barrier including a safety door 1, a plurality of barrier bodies 2, and a plurality of columns 3.

Specifically, a plurality of stand columns 3 are arranged on one side of the railway at intervals along the extending direction of the railway, and a barrier body 2 is arranged between every two adjacent stand columns 3. At least one barrier body 2 has a height smaller than the height of the corresponding upright 3 and is flush with the top of the corresponding upright 3, so that the bottom end of the barrier body 2 and the corresponding two uprights 3 together define a receiving frame for receiving the safety door 1. The safety door 1 comprises a door frame 11 and a door leaf 12 matched with the door frame 11, wherein the outer wall of the door frame 11 is relatively fixed with the inner wall of the accommodating frame, a sound absorbing plate is arranged on at least one surface of the door leaf 12, the door leaf 12 is positioned in the door frame 11 and is rotationally connected with one of the upright posts 3, so that the door leaf 12 can move towards a direction far away from a railway to open the safety door 1; the door leaf 12 is allowed to move in a direction approaching the railway to close the safety door 1.

In concrete implementation, the upright post 3 can be a steel upright post 3, and the door frame 11 and the door leaf 12 can be made of metal materials, so that the anti-corrosion and rust-proof performance is good.

In some implementations, the outer wall of the door frame 11 may be fixed on the inner wall of the accommodating frame by welding, so that the door frame is convenient to connect, high in strength and stable in structure.

Wherein the horizontal load of the safety door 1 is not less than 3kpa.

In concrete implementation, only one safety door 1 can be arranged on the railway sound barrier at one side of the railway, and of course, a plurality of safety doors 1 can also be arranged, and the safety doors 1 are arranged at intervals along the length direction of the sound barrier so as to facilitate the ingress and egress of workers.

In particular, the barrier body 2 is made of sound-absorbing materials, such as glass fiber reinforced plastic, polycarbonate and the like, so that the sound-absorbing and sound-insulating effects are good.

In particular, the sound absorbing plate may be provided only on the inner wall surface of the door 12 facing the railway, that is, on the inner wall surface of the door 12, or only on the outer wall surface of the door 12, that is, on the side of the door 12 facing away from the railway, and of course, the sound absorbing plate may be provided on both the inner wall surface and the outer wall surface of the door 12.

In some implementations, a supporting beam 9 is arranged on one side of the railway, the supporting beam 9 extends along the extending direction of the railway, a plurality of upright posts 3 are arranged at intervals along the length direction of the supporting beam 9, each upright post 3 is connected to the supporting beam 9 through a bolt, the bottom end of a door frame 11 of the safety door 1 is fixedly connected to the supporting beam 9, and the safety door is convenient to connect and stable to support.

The railway sound barrier provided in this embodiment, by making the height of at least one barrier body 2 smaller than the height of the corresponding two columns 3 and flush with the tops of the corresponding two columns 3, the bottom end of the barrier body 2 and the corresponding two columns 3 together define a receiving frame for receiving the safety door 1, and the safety door 1 is connected in the receiving frame. The safety door 1 comprises a door frame 11 and a door leaf 12 matched with the door frame 11, wherein the outer wall of the door frame 11 is relatively fixed with the inner wall of the accommodating frame, a sound absorbing plate is arranged on at least one surface of the door leaf 12, the door leaf 12 is positioned in the door frame 11 and is rotationally connected with one of the upright posts 3, so that the door leaf 12 can move towards a direction far away from a railway to open the safety door 1; the door leaf 12 can move towards the direction close to the railway to close the safety door 1, so that maintenance staff can enter and exit from the safety door 1 conveniently, and the working efficiency is improved. Meanwhile, the safety door 1 disclosed by the utility model is characterized in that the door leaf 12 is rotated towards the direction far away from the railway, namely outwards, is rotated to be opened, and the door leaf 12 is moved towards the direction close to the railway, namely inwards, is rotated to be reset to be closed, that is, the opening and closing of the safety door 1 cannot occupy and interfere with the space of the railway, and the layout is reasonable. In addition, in case of emergency, people along the railway can also evacuate from the safety door 1, so that the use safety of the railway sound barrier is improved.

In some embodiments, as shown with reference to fig. 1-3, door leaf 12 includes two side-by-side door panels 121. In the arrangement direction of the uprights 3, i.e. along the extending direction of the railway, the door frame 11 comprises two opposite longitudinal frames 111 respectively fixed on the two uprights 3, two door panels 121 are respectively connected to the two longitudinal frames 111 in a rotating manner, and the two door panels 121 can move towards the directions away from each other to open the safety door 1 and towards the directions close to each other to close the safety door 1.

Through setting up door leaf 12 into two door plant 121 that run from opposite directions, on the one hand, increased the width of emergency exit 1, not only the business turn over of staff of being convenient for also makes things convenient for the business turn over of great volume maintenance supplies or waste material, has improved the practicality of emergency exit 1.

In some implementations, an inserting piece is provided at the top end of one door panel 121, and a slot is provided at the position of the upper transverse frame 112 corresponding to the inserting piece, and the inserting piece can reciprocate along the height direction of the door panel 121 to be inserted into the slot or removed from the slot, so as to fix the door panel 121 on the corresponding transverse frame 112, thereby enhancing the structural stability of the door panel 12. Of course, a plug may be disposed at the bottom end of one of the door panels 121, and a slot may be disposed on the corresponding lower lateral frame 112.

In other embodiments, the door leaf 12 may also comprise only one door panel 121, wherein the door panel 121 is rotatably connected to one of the side frames.

In some embodiments, referring to fig. 2 to 4, the door lock 4 is disposed on a railway side of the door leaf 12, that is, on an inner wall surface of the door leaf 12, the door lock 4 includes a plug rod 41 and an insertion hole 42 through which the plug rod 41 can be inserted, the plug rod 41 is disposed on one of the two door leaves 12, the insertion hole 42 is disposed on the other of the two door leaves 12, the plug rod 41 can move in a direction approaching or separating from the insertion hole 42, so that a person located inside the railway can conveniently open the safety door 1, and the door is convenient to access. Meanwhile, if an emergency exists in the railway, the door lock 4 can be timely released only by opening the door lock, so that the safety is high.

It should be noted that, by setting the door lock 4 as the insert rod 41 and the jack 42, the person located inside the railway only needs to move the insert rod 41 towards the direction away from the jack 42, and remove the insert rod 41 from the jack 42, so that the safety door 1 can be opened without any tool or key, and the safety door is convenient to use and high in safety.

When the door lock is specifically used, the door lock 4 is provided with a lock part on one surface of the door leaf 12, which is away from a railway, namely, the outer wall surface of the door leaf 12, and a person positioned on the outer side can open the door lock 4 by using a key, for example, so that the door lock is convenient to use.

In some embodiments, referring to fig. 6, the side of the two upright posts 3 facing the safety door 1 is provided with a receiving groove 31, in the arrangement direction of the upright posts 3, the door frame 11 includes two opposite longitudinal frames 111, and the two longitudinal frames 111 are respectively received in the receiving grooves 31 of the two upright posts 3 and are relatively fixed to the corresponding upright posts 3.

Through set up storage tank 31 on stand 3 to with indulging the frame 111 and fixing in storage tank 31, on the one hand, storage tank 31 has the cladding to indulge the frame 111 and acceptd the effect, has increased the area of contact of stand 3 and indulge the frame 111, makes the joint strength between the two higher, thereby has improved the structural stability of emergency exit 1. On the other hand, the longitudinal frame 111 is accommodated in the accommodating groove 31, and under the condition of the same structure, the occupied space of the door leaf 12 in the accommodating frame can be made larger, so that the area of the door leaf 12 can be increased, and the door leaf can be more convenient to enter and exit.

In particular, in the height direction of the upright 3, the door frame 11 includes two opposite transverse frames 112, wherein two ends of one transverse frame 112 are connected to the tops of the two longitudinal frames 111, two ends of the other transverse frame 112 are connected to the bottoms of the two longitudinal frames 111, and the upper transverse frame 112 and the bottom end of the barrier body 2 above the safety door 1 can be connected together, for example, in a welded direction, and the lower transverse frame 112 can be fixed on the supporting beam 9, for example, in a bolted connection manner.

In some embodiments, referring to fig. 5 and 6, each of the longitudinal frames 111 includes a main frame 1111 and a sub-frame 1112; the auxiliary frame 1112 is fixed on the side of the main frame 1111 facing the railway, the side of the upright post 3 facing the railway is provided with an internal threaded hole, a locking piece 5 with external threads is arranged in the internal threaded hole in a penetrating way, and the side of the locking piece 5 facing away from the railway is propped against the side of the auxiliary frame 1112 facing the railway.

The sub-frame 1112 is connected to the main frame 1111, and on the one hand, the vertical frame 111 can be stably fixed in the corresponding accommodating groove 31. On the other hand, the sub-frame 1112 has a reinforcing effect on the corresponding main frame 1111, so that the structural strength of the door frame 11 can be improved, making the stability of the safety door 1 higher.

In other implementations, the size of each longitudinal frame 111 is matched with the size of the inner cavity of the corresponding accommodating groove 31, and the end of each longitudinal frame 111 extends into the corresponding accommodating groove 31 and is in interference fit with the accommodating groove 31.

In some embodiments, referring to fig. 6, the locking member 5 includes a locking lever 51, a locking cap 52, and a stop surface 53. The lock rod 51 is provided with external threads matched with the internal threaded holes, the lock rod 51 is arranged in the internal threaded holes in a penetrating mode, and the stop surface 53 is connected to one end of the lock rod 51 facing the auxiliary frame 1112 and abuts against the auxiliary frame 1112; the locking cap 52 is screwed on the locking rod 51 and stops on the side of the upright 3 facing the auxiliary frame 1112, which is convenient and reliable.

In some embodiments, referring to fig. 6, a rubber pad 6 is disposed between the stop surface 53 and the auxiliary frame 1112, and the rubber pad 6 has a certain flexibility, so that wind load can be buffered, and the connection strength between the longitudinal frame 111 and the upright post 3 is higher.

In some embodiments, the steel backing plate 7 is disposed between the stop surface 53 and the auxiliary frame 1112, and the vertical projection of the stop surface 53 on the auxiliary frame 1112 is located in the vertical projection of the steel backing plate 7 on the auxiliary frame 1112, so that the phenomenon of stress concentration at the joint of the stop surface 53 and the auxiliary frame 1112 is avoided to a certain extent, and the safety is high.

In particular, a rubber pad 6 and a steel pad 7 may be simultaneously disposed between the stop surface 53 and the secondary frame 1112, wherein the steel pad 7 is located between the stop surface 53 and the rubber pad 6.

In some embodiments, the door leaf 12 includes at least two connected plates 122, at least two plates 122 are stacked in sequence along the thickness direction of the door frame 11, and a hollow sound absorbing cavity 123 is provided between two adjacent plates 122.

The hollow sound-absorbing cavity 123 is arranged between two adjacent bodies, and the sound-absorbing cavity 123 can absorb part of noise, so that the door leaf 12 is formed into the sound-absorbing door leaf 12, and the sound-absorbing and noise-reducing effects of the railway sound barrier are ensured while the entrance and exit of workers are facilitated.

In a specific implementation, the plate 122 may be a steel plate, for example.

As shown in fig. 4 to 6, the door leaf 12 comprises two oppositely disposed panels 122, at least one of the two panels 122 having a flange at its end, the two panels 122 being joined together, for example by welding, at the location of the flange.

In some embodiments, referring to fig. 3 and 4, a handle 81 is provided on at least one side of the door leaf 12, so that the handle 81 is held at the outside, facilitating the opening or closing of the safety door 1, and the use.

In some implementations, the acoustic panel is the same material as the barrier body 2, but the acoustic panel is thinner than the thickness of the barrier body 2.

In other implementations, the sound absorbing panel may be made of, for example, other sound absorbing materials that are different from the barrier body 2. The color of the sound absorbing plate can be the same as that of the barrier body 2, and the sound absorbing plate has good aesthetic property.

In some implementations, the outer wall of the door leaf 12 is provided with an anti-corrosion layer, so that the safety door 1 has higher anti-corrosion and weather resistance, which is helpful for prolonging the service life of the safety door 1,

in some embodiments, the door leaf 12 is rotatably connected to the door frame 11 by at least two hinge hinges 82, and the at least two hinge hinges 82 are disposed at intervals along the height direction of the upright 3, so that the connection is convenient and reliable.

As shown in fig. 3, each door leaf 12 is rotatably connected to the side frame of the door frame 11 by two hinge hinges 82, and the two hinge hinges 82 are disposed at intervals in the height direction of the side frame.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A railway sound barrier, characterized by comprising a safety door (1), a plurality of barrier bodies (2) and a plurality of upright posts (3);

the plurality of stand columns (3) are arranged at one side of the railway at intervals along the extending direction of the railway, and the barrier body (2) is arranged between two adjacent stand columns (3);

at least one barrier body (2) has a height smaller than the height of the corresponding upright (3) and is flush with the tops of the corresponding upright (3), so that the bottom end of the barrier body (2) and the corresponding two uprights (3) together define a containing frame for containing the safety door (1);

the safety door (1) comprises a door frame (11) and a door leaf (12) matched with the door frame (11), wherein the outer wall of the door frame (11) is relatively fixed with the inner wall of the accommodating frame, an acoustic panel is arranged on at least one surface of the door leaf (12), and the door leaf (12) is positioned in the door frame (11) and is rotationally connected with one of the upright posts (3) so that the door leaf (12) can move towards a direction far away from a railway to open the safety door (1); -enabling the door leaf (12) to move towards the direction approaching the railway in order to close the safety door (1).

2. Railway sound barrier according to claim 1, characterized in that the door leaf (12) comprises two door panels (121) that are split;

in the direction of arranging of stand (3), door frame (11) include two relative settings and fix respectively on two on stand (3) indulge frame (111), two door plant (121) rotate respectively and connect on two indulge frame (111), two door plant (121) can move towards the direction of keeping away from each other, in order to open emergency exit (1) to can move towards the direction of being close to each other, in order to close emergency exit (1).

3. Railway sound barrier according to claim 2, characterized in that the side of the door leaf (12) facing the railway is provided with a door lock (4), the door lock (4) comprising a plug rod (41) and a socket (42) through which the plug rod (41) can be threaded, the plug rod (41) being arranged on one of the two door leaves (12), the socket (42) being arranged on the other of the two door leaves (12), the plug rod (41) being movable in a direction towards or away from the socket (42).

4. Railway sound barrier according to claim 1, characterized in that the side of both the uprights (3) facing the safety door (1) is provided with a receiving groove (31), in the direction of arrangement of the uprights (3), the door frame (11) comprises two opposite longitudinal frames (111), and the two longitudinal frames (111) are respectively received in the receiving grooves (31) of the two uprights (3) and are fixed relative to the corresponding uprights (3).

5. The railway sound barrier according to claim 4, wherein each of the longitudinal frames (111) comprises a main frame (1111) and a secondary frame (1112);

the auxiliary frame (1112) is fixed on one face of the main frame (1111) facing the railway, one face of the upright post (3) facing the railway is provided with an internal threaded hole, a locking piece (5) with external threads is arranged in the internal threaded hole in a penetrating mode, and one face, deviating from the railway, of the locking piece (5) abuts against one face, facing the railway, of the auxiliary frame (1112).

6. Railway sound barrier according to claim 5, characterized in that the locking element (5) comprises a locking lever (51), a locking cap (52) and a stop surface (53);

the lock rod (51) is provided with external threads matched with the internal threaded hole, the lock rod (51) is arranged in the internal threaded hole in a penetrating mode, the stop surface (53) is connected to one end of the lock rod (51) facing the auxiliary frame (1112) and abuts against the auxiliary frame (1112), and the lock cap (52) is connected to the lock rod (51) in a threaded mode and stops on one face, facing the auxiliary frame (1112), of the upright post (3).

7. The railway sound barrier according to claim 6, characterized in that a rubber pad (6) is arranged between the stop surface (53) and the secondary frame (1112);

and/or a steel backing plate (7) is arranged between the stop surface (53) and the auxiliary frame (1112), and the vertical projection of the stop surface (53) on the auxiliary frame (1112) is positioned in the vertical projection of the steel backing plate (7) on the auxiliary frame (1112).

8. Railway sound barrier according to any of claims 1 to 7, characterized in that the door leaf (12) comprises at least two connected panels (122);

at least two plate bodies (122) are sequentially stacked along the thickness direction of the door frame (11), and a hollow sound absorption cavity (123) is formed between two adjacent plate bodies (122).

9. Railway sound barrier according to any of claims 1 to 7, characterized in that at least one face of the door leaf (12) is provided with a handle (81);

and/or the sound absorbing plate and the barrier body (2) are made of the same material;

and/or an anti-corrosion layer is arranged on the outer wall of the door leaf (12).

10. Railway sound barrier according to any one of claims 1 to 7, characterized in that the door leaf (12) is rotatably connected to the door frame (11) by means of at least two hinge hinges (82), at least two hinge hinges (82) being arranged at intervals in the height direction of the upright (3).