CN107792091B

CN107792091B - Noise-proof sound box body structure for subway

Info

Publication number: CN107792091B
Application number: CN201711423334.XA
Authority: CN
Inventors: 杨志明; 田泽兴; 杨宏斌
Original assignee: Luoyang Mingchuang Mining Metallurgy Equipment Co ltd
Current assignee: Luoyang Mingchuang Mining Metallurgy Equipment Co ltd
Priority date: 2017-12-25
Filing date: 2017-12-25
Publication date: 2024-09-27
Anticipated expiration: 2037-12-25
Also published as: CN107792091A

Abstract

The invention discloses a noise-proof sound box body structure for a subway, which comprises a box body, a first baffle, a second baffle, sound-absorbing foam, a first motor, an impeller, a first pipeline, a second pipeline, a round hole array, a hairbrush plate, a second motor, a rotary column, a crankshaft, a stud bolt, a connecting rod and a pressing plate. The invention has reasonable structure, and can achieve good sound absorption effect through the small box body structure arranged at the outer side of the subway carriage by the structural characteristics of multi-channel gas diversion, reduce the sound emitted by friction tracks of surrounding wheels, and reduce noise without improving the track wheels; the brush is driven to move through the crankshaft, and the fiber structure on the surface of the brush penetrates through the round hole to clean dirt, so that the foreign matters blocked in the round hole can be cleaned without disassembling the box body, the pipeline is removed through the impeller, the purpose of convenient cleaning is achieved, the structure is good, the practicability is good, and the brush is worthy of wide application and popularization.

Description

Noise-proof sound box body structure for subway

Technical Field

The invention relates to a box body structure, in particular to a noise-proof box body structure for subways, and belongs to the technical field of noise prevention.

Background

At present, subways are greatly developed in various places, but the influence on passengers and surrounding households is also caused by subway noise, wherein the subway noise is generated by collision and friction between wheels and rails and is closely related to the technical states of the speed, the length of carriages and the number of axles on each carriage and the rails of the number of carriages per train.

At present, most of the noise-proof measures of the subway are used for solving the out-of-car factors such as rails, wheels and the like, so that the cost is relatively high, the cost for maintaining the rails, the wheels and the like is increased, and the long-term operation development of the subway is not facilitated; most subway noise control devices are because of offering a plurality of round holes thereby probably lead to a plurality of round holes to block up, reduce the efficiency of noise reduction, and the clearance plug is also very inconvenient, needs the dismouting to clear up. Therefore, a noise-proof sound box structure for subways is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the problems and provide a noise-proof sound box body structure for subways.

The invention realizes the purpose through the following technical scheme, the novel sound absorption device comprises a box body, sound absorption foam, a first baffle and a second baffle are sequentially and hermetically arranged on the inner walls of two sides of the box body in the length direction, a first motor is fixedly arranged on the inner wall of one side of the box body, the output end of the first motor is coaxially fixedly connected to an impeller, a first pipeline is installed on one side of the box body in a penetrating way, the first pipeline sequentially penetrates through the sound absorption foam, the first baffle and the second baffle, a second pipeline is installed on the other side of the box body in a penetrating way, the second pipeline sequentially penetrates through the second baffle, the first baffle and the sound absorption foam from the other side, a round hole array is formed on the surface of one side of the first pipeline, and a round hole array is formed on the surface of one side of the second pipeline;

The side surfaces of the top ends of the first baffle and the second baffle are respectively and fixedly provided with a pressing plate, the inner wall of one side of the box body is fixedly provided with a second motor, the output end of the second motor is coaxially and fixedly connected with a rotating column, one end of the rotating column is fixedly connected to the central line of the crankshaft, the crankshaft is of a symmetrical structure, two connecting rods are respectively connected with the crankshaft through two stud bolts in a rotating mode, the two connecting rods are respectively and fixedly connected to two brush plates, and the top ends of the brush plates are slidably connected to two pressing plates.

Preferably, the first pipe and the second pipe are square pipes, and the first pipe and the second pipe are symmetrical to each other with respect to a center line of the crankshaft.

Preferably, the two pressing plates are fixedly mounted on the inner wall of the top end of the box body.

Preferably, the first baffle and the second baffle are centrally symmetrical with respect to the swivel post.

Preferably, the length of the brush plate is longer than the width of the first duct.

Preferably, the first and second conduits are the same size.

The beneficial effects of the invention are as follows:

1. The noise-proof sound box body structure for the subway can achieve good sound absorption effect through the small box body structure arranged on the outer side of the subway carriage by the aid of the structural characteristics of multi-channel gas diversion, noise emitted by surrounding wheels in friction with a rail is reduced, the rail wheels are not required to be improved, noise can be reduced, and long-term operation of the subway is facilitated;

2. This kind of noise control audio amplifier body structure for subway passes through the motion that the bent axle drove the brush for need not to tear down the box and can clean the foreign matter that blocks up at the round hole, get rid of the pipeline with the foreign matter through the impeller, reach convenient clear purpose.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

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

fig. 3 is a partially enlarged schematic illustration of the present invention at a.

In the figure: 1. the box, 2, first baffle, 3, second baffle, 4, acoustic foam, 5, first motor, 6, impeller, 7, first pipeline, 8, second pipeline, 9, round hole array, 10, brush board, 11, second motor, 12, steering column, 13, bent axle, 14, stud, 15, connecting rod, 16, clamp plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-3, a noise-proof sound box structure for subways comprises a box body 1, sound-absorbing foam 4, a first baffle 2 and a second baffle 3 are sequentially and hermetically arranged on inner walls of two sides of the box body 1 in the length direction, a first motor 5 is fixedly arranged on one side inner wall of the box body 1, an output end of the first motor 5 is coaxially and fixedly connected to an impeller 6, a first pipeline 7 is installed on one side of the box body 1 in a penetrating manner, the first pipeline 7 sequentially penetrates through the sound-absorbing foam 4, the first baffle 2 and the second baffle 3, a second pipeline 8 is installed on the other side of the box body 1 in a penetrating manner, the second pipeline 8 sequentially penetrates through the second baffle 3, the first baffle 2 and the sound-absorbing foam 4 from the other side, a round hole array 9 is formed on one side surface of the first pipeline 7, sound-carrying airflow enters the box body 1 through the sound absorption of the sound-absorbing foam 4, and then flows out gas diversion through the first pipeline 7 and the second pipeline 8, a part of friction noise consumption is generated through the round hole array 9, and the first pipeline 7 and the second pipeline 8 are further discharged through the round hole array 9, and finally the noise consumption of the noise is reduced;

The utility model discloses a cleaning device for a round hole, including box 1, first baffle 2 and second baffle 3, the top side of first baffle 2 and second baffle 3 respectively fixed mounting have clamp plate 16, box 1 one side inner wall fixed mounting has second motor 11, the coaxial rigid coupling of second motor 11 output has swivel post 12, swivel post 12 one end fixedly connected to bent axle 13 central line department, bent axle 13 is symmetrical structure, the bent axle is rotated respectively through two stud 14 and is connected with two connecting rods 15, two connecting rods 15 are fixedly connected with two brush boards 10 respectively, two brush board 10 top sliding connection is to two clamp plates 16, starts second motor 11, and second motor 11 drives swivel post 12 rotation, and swivel post 12 drives the bent axle 13 rotation of rigid coupling, and bent axle 13 drives both sides rotation connection's connecting rod 15 and reciprocates at first pipeline 7 and second pipeline 8, and plane reciprocating motion is done under the restriction of clamp plate 16 simultaneously, and connecting rod 15 drives brush board 10 and moves, accomplishes the cleanness to the round hole.

As a technical optimization scheme of the invention, the first pipeline 7 and the second pipeline 8 are square pipelines, and the first pipeline 7 and the second pipeline 8 are symmetrical relative to the central line of the crankshaft, so that the brush plate 10 can slide on the surfaces of the first pipeline 7 and the second pipeline 8.

As a technical optimization scheme of the invention, two pressing plates 16 are fixedly arranged on the inner wall of the top end of the box body 1, and the pressing plates 16 are fixed.

As a technical optimization scheme of the invention, the first baffle plate 2 and the second baffle plate 3 are symmetrical relative to the center of the rotary column 12, so that the stability of the structure of the box body 1 is ensured.

As a technical optimization scheme of the invention, the length of the brush plate 10 is longer than the width of the first pipeline 7, so that the brush plate 10 performs planar reciprocating linear motion under the limit of the pressing plate 16.

As a technical optimization scheme of the invention, the first pipeline 7 and the second pipeline 8 have the same size, so that the energy carried by opposite air flows is ensured to be consistent.

When the invention is used, the sound-carrying air flow enters the box body 1, is subjected to sound absorption by the sound absorption foam 4, is split by the first pipeline 7 and the second pipeline 8, generates friction by the air flow through the circular hole array 9 to consume a part of noise energy, and the air flowing out of the circular hole arrays 9 of the first pipeline 7 and the second pipeline 8 mutually impacts to further consume the noise energy, and finally, the box body 1 is discharged to finish noise reduction;

The second motor 11 is started, the second motor 11 drives the rotary column 12 to rotate, the rotary column 12 drives the fixedly connected crankshaft 13 to rotate, the crankshaft 13 drives the connecting rods 15 which are rotationally connected at two sides to do reciprocating motion on the first pipeline 7 and the second pipeline 8, meanwhile, the connecting rods 15 drive the hairbrush plate 10 to move under the limitation of the pressing plate 16, the first motor 5 is started, the first motor 5 drives the impeller 6 to rotate, wind power is generated to enable dirt to be removed from the box body 1, and cleaning of round holes is completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a noise control audio amplifier body structure for subway, includes box (1), its characterized in that: the novel sound absorption device comprises a box body (1), and is characterized in that sound absorption foam (4), a first baffle (2) and a second baffle (3) are sequentially and hermetically arranged on the inner walls of two sides of the length direction of the box body (1), a first motor (5) is fixedly arranged on the inner wall of one side of the box body (1), the output end of the first motor (5) is coaxially fixedly connected to an impeller (6), a first pipeline (7) is alternately arranged on one side of the box body (1), the first pipeline (7) sequentially penetrates through the sound absorption foam (4), the first baffle (2) and the second baffle (3), a second pipeline (8) is alternately arranged on the other side of the box body (1), the second pipeline (8) sequentially penetrates through the second baffle (3), the first baffle (2) and the sound absorption foam (4) from the other side, a circular hole array (9) is formed on the surface of one side of the first baffle (2), and a circular hole array (9) is formed on the surface of one side of the second pipeline (8).

The novel brush box is characterized in that pressing plates (16) are fixedly arranged on the side surfaces of the top ends of the first baffle (2) and the second baffle (3) respectively, a second motor (11) is fixedly arranged on the inner wall of one side of the box body (1), a rotating column (12) is coaxially fixedly connected to the output end of the second motor (11), one end of the rotating column (12) is fixedly connected to the central line of a crankshaft (13), the crankshaft (13) is of a symmetrical structure, two connecting rods (15) are respectively and rotatably connected to the crankshaft through two stud bolts (14), the two connecting rods (15) are respectively and fixedly connected to two brush plates (10), and the top ends of the two brush plates (10) are slidably connected to the two pressing plates (16);

The first pipeline (7) and the second pipeline (8) are square pipelines, and the first pipeline (7) and the second pipeline (8) are symmetrical relative to the central line of the crankshaft;

The two pressing plates (16) are fixedly arranged on the inner wall of the top end of the box body (1);

The first baffle (2) and the second baffle (3) are centrosymmetric relative to the rotary column (12).

2. The noise-proof sound box body structure for subways according to claim 1, characterized in that: the length of the brush plate (10) is longer than the width of the first duct (7).

3. The noise-proof sound box body structure for subways according to claim 1, characterized in that: the first pipeline (7) and the second pipeline (8) are the same in size.