CN218911188U

CN218911188U - Sound absorbing plate for railway locomotive

Info

Publication number: CN218911188U
Application number: CN202223228143.7U
Authority: CN
Inventors: 李强强; 冷昱; 李建俊
Original assignee: Qingdao Changsheng New Material Technology Co ltd
Current assignee: Qingdao Changsheng New Material Technology Co ltd
Priority date: 2022-12-03
Filing date: 2022-12-03
Publication date: 2023-04-25
Anticipated expiration: 2032-12-03

Abstract

The utility model discloses a sound absorbing plate for a railway locomotive, which comprises an assembly base, a sound absorbing plate main body, connecting grooves and connecting rods, wherein the two sides of the interior of the assembly base are provided with the assembly grooves, one side of the top end of the assembly base is movably connected with the sound absorbing plate main body, one side of the top end of the assembly base is movably connected with a hollow cylinder, damping glue is arranged in the middle position of the interior of the hollow cylinder, and the interior of the top end of the hollow cylinder is movably connected with the connecting rods. According to the utility model, the connecting blocks and the connecting grooves are respectively arranged on two sides of the sound-absorbing plate main body, the connecting blocks are inserted into the connecting grooves on the same type of sound-absorbing plate main body, meanwhile, the rotating handle at the top end of the sound-absorbing plate main body is rotated, at the moment, the rotating handle can drive the threaded rod to rotate in the threaded sleeve, the threaded sleeve pushes the inserting rod to be inserted into the inserting groove on the connecting blocks through the first movable block, and at the moment, the quick assembly between the same type of sound-absorbing plates can be completed.

Description

Sound absorbing plate for railway locomotive

Technical Field

The utility model relates to the technical field of railway noise reduction, in particular to a sound absorbing plate for a railway locomotive.

Background

The rapid development of the high-speed railway construction brings rapid and comfortable feeling and great convenience to the travel of people, but noise pollution generated by the operation of a railway locomotive also has great influence on the life of residents on two sides of a railway line. The long-term noise with such intensity can cause great harm to human health. At present, a sound barrier for blocking noise is arranged at two sides of a railway. The propagation of the sound wave can be greatly attenuated, so that the noise intensity in the protected area is weakened, and the noise pollution is effectively controlled.

The existing sound absorbing plate for the railway locomotive can generate strong wind pressure when the railway locomotive runs, and the sound absorbing plate can cause cracking and damage after bearing the wind pressure for a long time, so that the sound insulation and noise reduction effects are affected.

Disclosure of Invention

The utility model aims to provide an acoustic panel for a railway locomotive, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sound absorbing board for locomotive, includes assembly base, sound absorbing board main part, spread groove and connecting rod, the inside both sides of assembly base are provided with the spread groove, one side swing joint on assembly base top has the sound absorbing board main part, one side swing joint on assembly base top has a hollow section of thick bamboo, the inside intermediate position of hollow section of thick bamboo is provided with damping glue, the inside swing joint on hollow section of thick bamboo top has the connecting rod, one side swing joint of connecting rod has the sound absorbing board main part, the bottom fixedly connected with second movable block of connecting rod, the outside swing joint of second movable block has a hollow section of thick bamboo.

Preferably, the middle position inside the acoustic panel main part is provided with the filling layer, the inside equidistance of filling layer evenly is provided with the stiffening rod, the filling layer belongs to fixed connection with the stiffening rod.

Preferably, a connecting block is fixedly connected to one side of the sound absorbing plate main body, and a slot is formed in the middle of the top end of the connecting block.

Preferably, a connecting groove is formed in one side of the sound-absorbing plate main body, a connecting block is movably connected in the connecting groove, and a rotating handle is movably connected to one side of the top end of the sound-absorbing plate main body.

Preferably, the bottom fixedly connected with threaded rod of commentaries on classics handle, the outside swing joint of threaded rod has the abatvoix main part, the outside one side of threaded rod is connected and is provided with the thread bush, threaded rod and thread bush belong to threaded connection.

Preferably, the bottom fixedly connected with first movable block of thread bush, the outside sliding connection of first movable block has the abatvoix main part, the bottom fixedly connected with inserted bar of first movable block, the outside swing joint of inserted bar one side has the slot.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the sound absorbing plate for the railway locomotive, the plurality of groups of reinforcing rods are arranged in the sound absorbing plate main body, so that the auxiliary reinforcing effect on the sound absorbing plate main body can be achieved, meanwhile, the impact force born by the sound absorbing plate main body can be transmitted to the second movable block below through the connecting rod, the connecting rod and the second movable block can slide in the hollow cylinder, meanwhile, the damping glue in the hollow cylinder can convert the force generated by the movement of the connecting rod and the second movable block into heat energy to be consumed, and therefore the buffer protection effect on the sound absorbing plate main body is achieved;

2. this kind of acoustic board for locomotive inserts the inside of spread groove in the acoustic board main part of the same kind through being provided with connecting block and spread groove respectively in the both sides of acoustic board main part, rotates the commentaries on classics on acoustic board main part top simultaneously, and the commentaries on classics is rotating the inside that can drive the threaded rod at the thread bush this moment to make the thread bush promote the inserted slot that the inserted bar inserted on the connecting block through first movable block, can accomplish the quick assembly between the acoustic board of the same kind this moment.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

fig. 4 is a schematic diagram of the connection structure of the hollow cylinder and the connecting rod of the utility model.

In the figure: 1. assembling a base; 101. an assembly groove; 2. a sound-absorbing panel body; 201. a filling layer; 202. a reinforcing rod; 3. a connecting block; 301. a slot; 4. a connecting groove; 5. a rotating handle; 501. a threaded rod; 502. a thread sleeve; 503. a first movable block; 504. a rod; 6. a hollow cylinder; 601. damping glue; 7. a connecting rod; 701. and a second movable block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the sound-absorbing plate for the locomotive comprises an assembly base 1, a sound-absorbing plate main body 2, connecting grooves 4 and connecting rods 7, wherein the two sides of the interior of the assembly base 1 are provided with assembly grooves 101, and the sound-absorbing plate main body can be assembled with the ground through the assembly grooves 101;

one side of the top end of the assembly base 1 is movably connected with a sound-absorbing plate main body 2, a filling layer 201 is arranged in the middle of the inside of the sound-absorbing plate main body 2, reinforcing rods 202 are uniformly arranged in the filling layer 201 at equal intervals, the filling layer 201 and the reinforcing rods 202 are fixedly connected, a plurality of groups of small through holes are formed in the side of a railway locomotive with the face of the sound-absorbing plate main body 2, the energy of sound transmission can be effectively reduced, meanwhile, soundproof cotton is arranged in the filling layer 201, sound waves can be effectively buffered and absorbed, and a plurality of groups of reinforcing rods 202 are arranged in the filling layer 201 to play a role in integrally reinforcing the sound-absorbing plate main body 2;

a connecting block 3 is fixedly connected to one side of the sound-absorbing plate main body 2, a slot 301 is arranged in the middle of the top end of the connecting block 3, the connecting block 3 on one side of the sound-absorbing plate main body 2 is inserted into a connecting slot 4 on one side of the same kind of sound-absorbing plate main body 2, and meanwhile, a plug rod 504 movably connected in the connecting slot 4 is inserted into the slot 301, so that the connection assembly between the same kind of sound-absorbing plates can be completed;

a connecting groove 4 is formed in one side of the sound-absorbing plate main body 2, a connecting block 3 is movably connected to the inside of the connecting groove 4, a rotating handle 5 is movably connected to one side of the top end of the sound-absorbing plate main body 2, a threaded rod 501 is fixedly connected to the bottom end of the rotating handle 5, the sound-absorbing plate main body 2 is movably connected to the outside of the threaded rod 501, a threaded sleeve 502 is connected to one side of the outside of the threaded rod 501, the threaded rod 501 and the threaded sleeve 502 belong to threaded connection, a first movable block 503 is fixedly connected to the bottom end of the threaded sleeve 502, a plug rod 504 is fixedly connected to the outside of the first movable block 503, a slot 301 is movably connected to the outside of one side of the plug rod 504, the rotating handle 5 is used for rotating the top end of the sound-absorbing plate main body 2, the threaded rod 501 can be driven to rotate in the threaded sleeve 502 by rotating the rotating handle 5, meanwhile, the threaded sleeve 502 can push the plug rod 504 to move through the first movable block 503 to be square, and the size of the internal space of the threaded rod 502 is consistent with that the threaded rod 2 can be prevented from rotating along with the rotation of the threaded sleeve 502;

one side of the top end of the assembly base 1 is movably connected with a hollow cylinder 6, a damping adhesive 601 is arranged in the middle position inside the hollow cylinder 6, and the damping adhesive 601 can convert the force generated by the movement of the connecting rod 7 and the second movable block 701 into heat energy for consumption, so that the buffer protection effect on the connecting rod 7 is achieved;

the inside swing joint on hollow section of thick bamboo 6 top has connecting rod 7, and one side swing joint of connecting rod 7 has abatvoix main part 2, and the bottom fixedly connected with second movable block 701 of connecting rod 7, and the outside swing joint of second movable block 701 has hollow section of thick bamboo 6, and the impact force that abatvoix main part 2 received can be transmitted to the second movable block 701 of below on through connecting rod 7, and simultaneously connecting rod 7 and second movable block 701 can move in the inside of hollow section of thick bamboo 6.

When the embodiment of the application is used, the following steps are adopted: the assembly base 1 at the bottom end of the sound-absorbing plate is placed on the ground to be assembled, the positioning bolts are inserted into the assembly grooves 101 on the assembly base 1, so that the position of the sound-absorbing plate is fixed, at the moment, the connecting blocks 3 at one side of the sound-absorbing plate main body 2 are inserted into the connecting grooves 4 at one side of the same type of sound-absorbing plate main body 2, meanwhile, the inserting rods 504 movably connected in the connecting grooves 4 are inserted into the inserting grooves 301, the connection assembly between the same type of sound-absorbing plates can be finished, multiple groups of tiny through holes are formed in the sound-absorbing plate main body 2, the energy of sound transmission can be effectively reduced, meanwhile, the filling layer 201 is arranged in the sound-absorbing plate main body 2, and sound waves can be effectively buffered and absorbed through the soundproof cotton arranged in the filling layer 201, so that the sound-absorbing and noise-reducing effects of a railway locomotive are achieved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sound absorbing board for locomotive, its characterized in that, including assembly base (1), sound absorbing board main part (2), spread groove (4) and connecting rod (7), the inside both sides of assembly base (1) are provided with spread groove (101), one side swing joint on assembly base (1) top has sound absorbing board main part (2), one side swing joint on assembly base (1) top has hollow section of thick bamboo (6), the inside intermediate position of hollow section of thick bamboo (6) is provided with damping glue (601), the inside swing joint on hollow section of thick bamboo (6) top has connecting rod (7), one side swing joint of connecting rod (7) has sound absorbing board main part (2), the bottom fixedly connected with second movable block (701) of connecting rod (7), the outside swing joint of second movable block (701) has hollow section of thick bamboo (6).

2. The sound absorbing panel for a railroad locomotive as set forth in claim 1, wherein: the middle position inside abatvoix main part (2) is provided with filling layer (201), the inside equidistance of filling layer (201) evenly is provided with stiffening rod (202), filling layer (201) and stiffening rod (202) belong to fixed connection.

3. The sound absorbing panel for a railroad locomotive as set forth in claim 1, wherein: one side fixedly connected with connecting block (3) of abatvoix main part (2), the intermediate position on connecting block (3) top is provided with slot (301).

4. The sound absorbing panel for a railroad locomotive as set forth in claim 1, wherein: one side of the sound absorbing plate main body (2) is provided with a connecting groove (4), the inside of the connecting groove (4) is movably connected with a connecting block (3), and one side of the top end of the sound absorbing plate main body (2) is movably connected with a rotating handle (5).

5. The sound absorbing panel for a railroad locomotive as set forth in claim 4, wherein: the novel sound absorbing plate is characterized in that a threaded rod (501) is fixedly connected to the bottom end of the rotating handle (5), a sound absorbing plate main body (2) is movably connected to the outer portion of the threaded rod (501), a thread sleeve (502) is connected to one side of the outer portion of the threaded rod (501), and the threaded rod (501) and the thread sleeve (502) are in threaded connection.

6. The sound absorbing panel for a railroad locomotive as set forth in claim 5, wherein: the novel sound absorbing plate is characterized in that a first movable block (503) is fixedly connected to the bottom end of the threaded sleeve (502), a sound absorbing plate main body (2) is slidably connected to the outer portion of the first movable block (503), an inserting rod (504) is fixedly connected to the bottom end of the first movable block (503), and a slot (301) is movably connected to the outer portion of one side of the inserting rod (504).