CN116659649A - Noise pollution detection device and detection method for highway construction - Google Patents

Abstract

The application relates to the technical field related to noise detection, in particular to a noise pollution detection device and a detection method for highway construction, wherein the noise pollution detection device comprises a noise detection unit and a display unit, the noise detection unit comprises a capacitor microphone, a preamplifier, an attenuator, an amplifier and a frequency meter, the display unit comprises a display screen, an upper rotating shaft, a lower rotating shaft, a driving structure and a self-cleaning component, and the front side surface of the display screen is provided with an LED screen; the display unit on the noise pollution detection device is arranged to be composed of a display screen, an upper rotating shaft, a lower rotating shaft, a driving structure and a self-cleaning assembly, and the self-cleaning assembly is arranged to be composed of a mounting seat, a supporting spring, a top plate and cleaning cloth, so that the supporting spring is used for supporting the top plate, the cleaning cloth is used for cleaning an LED screen on the display screen, and dust formed in a construction process is effectively prevented from covering the LED screen to influence observation.

Description

Noise pollution detection device and detection method for highway construction

Technical Field

The application relates to the technical field of noise detection, in particular to a noise pollution detection device and a detection method for highway construction.

Background

Highway engineering refers to the work of investigation, measurement, design, construction, maintenance, management and the like of a highway structure; the highway engineering structure comprises: roadbeds, roadways, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities, and houses, workshops and other service facilities used for construction, maintenance and monitoring;

when the roads in the residential area are constructed, noise is generated due to the operation of mechanical equipment, so that the living of nearby residents is influenced to a certain extent, the noise generated in the construction process of the roads is required to be prevented and controlled, the necessary process of preventing and controlling is carried out, the noise is monitored, and the monitored data is displayed through a display screen;

however, because the large mechanical equipment on the road construction site runs, stronger mechanical vibration and more dust are usually generated on the site, the adhesion of the dust on the display screen can also influence people to watch data on the display screen, and the stronger mechanical vibration can cause the installation structure to loosen and fall off, so that potential safety hazards are left.

Disclosure of Invention

The application aims to provide a noise pollution detection device and a detection method for highway construction, which are used for solving the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a noise pollution detection device for highway construction, includes noise detection unit and display element, and its noise detection unit includes condenser microphone, preamplifier, attenuator, amplifier and frequency meter, display element includes:

the LED display comprises a display screen, wherein an LED screen is arranged on the front side surface of the display screen, an upper rotating shaft seat and a lower rotating shaft seat are fixedly arranged on the left side surface and the right side surface of a shell of the display screen, and a driving structure bracket is fixedly arranged on the right side surface of the shell of the display screen;

the upper rotating shaft is rotatably arranged on the upper rotating shaft seat, and upper belt pulleys are fixedly arranged on two sides of the upper rotating shaft;

the lower rotating shaft is rotatably arranged on the lower rotating shaft seat, lower belt pulleys are fixedly arranged on two sides of the lower rotating shaft, the upper belt pulleys and the lower belt pulleys are correspondingly arranged, the upper belt pulleys and the lower belt pulleys are identical in model, and the upper belt pulleys and the lower belt pulleys are in transmission connection through a primary transmission belt;

the upper rotating shaft is driven by the driving structure, and the driving structure is arranged on the driving structure bracket;

the self-cleaning assembly is positioned on the primary transmission belts at two sides through the positioning assemblies at two ends, and is composed of a mounting seat, a supporting spring, a top plate and cleaning cloth.

Preferably, the driving structure is composed of a driving motor, a driving belt pulley, a driven belt pulley and a secondary driving belt, wherein the driving motor is fixed on a driving structure support, the driving belt pulley is fixed on a rotor of the driving motor, the driven belt pulley is fixed on an upper rotating shaft, and the driving belt pulley and the driven belt pulley are in transmission connection through the secondary driving belt.

Preferably, the inside wall of the primary transmission belt is provided with a meshing groove, the outside walls of the upper belt pulley and the lower belt pulley are provided with meshing teeth, the meshing grooves and the meshing teeth are correspondingly arranged, and the meshing teeth are embedded in the meshing grooves when the primary transmission belt is actually installed.

Preferably, the mount pad passes through locating component to be fixed on one-level transmission belt, the roof is connected with the mount pad through supporting spring, and the clearance cloth is fixed on the roof, and when self-cleaning subassembly moved to the display screen leading flank, its clearance cloth offsets with the LED screen and set up, and at this moment, supporting spring is in the pressurized state, the back of display screen is provided with the striking post, the striking post is provided with one row in the equal symmetry of both sides of display screen, and the tip of striking post is the hemisphere, when self-cleaning subassembly moved to the back of display screen, its clearance cloth did not contact with the back of display screen, and can produce the collision between the front end hemisphere part of striking post and the mount pad.

Preferably, the mounting seat is provided with a guide groove, the guide groove is a circular truncated cone body cavity, the inner side surface of the top plate is welded with a guide post, the end surface of the guide post is a circular truncated cone body, and when the supporting spring is in a reset state, the guide post is not contacted with the side wall of the guide groove.

Preferably, the locating component comprises fixed connection seat, dismouting connecting seat, one-level arm lock, second grade arm lock, fastening bolt and fastening nut combination, integrated into one piece between fixed connection seat, the one-level arm lock, dismouting connecting seat, second grade arm lock integrated into one piece, fixed connection seat and mount pad fixed weld, the one-level mounting hole has been seted up on the fixed connection seat, the nut groove has been seted up to the port position of one-level mounting hole, the nut groove has been seted up to the outer terminal surface of dismouting connecting seat, the second grade mounting hole has been seted up to the tank bottom in nut groove, the second grade mounting hole sets up corresponding with the one-level mounting hole, fastening nut embedding is installed in the nut groove, fastening bolt passes second grade mounting hole, one-level mounting hole and twists on fastening nut.

Preferably, the constant head tank has all been seted up on the both sides wall of one-level driving belt, set up the reference column on the inside wall of one-level arm lock, second grade arm lock, the reference column sets up corresponding with the constant head tank, and locating component when actual installation, its reference column imbeds to the constant head tank in, the butt joint hole has been seted up to the medial surface of one-level arm lock, be provided with the butt joint post on the medial surface of second grade arm lock, the butt joint post all is provided with a pair of with the butt joint hole, and the butt joint post sets up corresponding with the butt joint hole, and during one-level arm lock, the actual butt joint of second grade arm lock, its butt joint post imbeds into in the butt joint hole.

Preferably, the clamping groove is formed in the groove bottom of the nut groove, the nut of the fastening bolt is provided with an inner hexagonal wrench hole and a movable groove, the cross section of the movable groove is a regular hexagonal frame body, an anti-loosening piece is movably arranged in the movable groove, the anti-loosening piece is composed of a bottom frame, an elastic supporting piece, an anti-loosening seat and clamping teeth, two ends of the elastic supporting piece are respectively connected with the bottom frame and the anti-loosening seat, the clamping teeth and the anti-loosening seat are integrally formed, the clamping groove and the clamping teeth are uniformly circumferentially provided with a circle, the cross sections of the clamping groove and the clamping teeth are all right-angled triangle, the clamping grooves and the clamping teeth are correspondingly arranged, when the fastening bolt is actually screwed, the clamping teeth are embedded into the clamping groove, and when the fastening bolt is reversely screwed, the right-angled edges of the clamping teeth are propped against the right-angled edges of the clamping grooves.

Preferably, the socket wrench hole is communicated with the movable groove through a connecting hole, a wedge-shaped groove is formed in the inner side wall of the anti-loose seat, a push block is movably installed in the connecting hole, the push block is formed by combining the movable seat, the inner wedge block and the outer wedge block, the movable seat is movably arranged in the connecting hole, the section size of the movable seat is identical with the section size of the connecting hole, the inner wedge block and the outer wedge block are symmetrically arranged, the outline sizes of the inner wedge block and the outer wedge block are smaller than the outline size of the movable seat, a positioning plate is arranged in the socket wrench hole, a rectangular hole is formed in the positioning plate, the inner wedge block penetrates through the rectangular hole, the movable seat is limited through the positioning plate, and when the socket wrench is inserted into the socket wrench hole, the inner wedge block moves outwards, and at the moment, the clamping teeth are withdrawn from the clamping groove.

A detection method of a noise pollution detection device for highway construction comprises the following steps:

step one: a conversion process of the sound signal, in which the received sound signal is converted into an electrical signal by the condenser microphone;

step two: a signal primary amplifying process, in which the signal is amplified by a preamplifier;

step three: the signal secondary amplification process is carried out by carrying out secondary amplification on the signal through an attenuator and an amplifier;

step four: and displaying the noise information through a display screen in the display process.

Compared with the prior art, the application has the beneficial effects that:

1. the upper display unit of the noise pollution detection device is formed by combining the display screen, the upper rotating shaft, the lower rotating shaft, the driving structure and the self-cleaning assembly, and the self-cleaning assembly is formed by combining the mounting seat, the supporting spring, the top plate and the cleaning cloth, so that the supporting spring is used for supporting the top plate, the cleaning cloth is used for cleaning the LED screen on the display screen, and dust formed in the construction process is effectively prevented from covering the LED screen to influence observation;

2. the impact column is arranged on the back of the display screen, so that the mounting seat can collide with the impact column when moving, and a shaking effect is formed through the supporting spring, so that the cleaning cloth can form a self-cleaning effect, and the subsequent cleaning effect is ensured;

3. and the positioning assembly is formed by combining a fixed connecting seat, a dismounting connecting seat, a primary clamping arm, a secondary clamping arm, a fastening bolt and a fastening nut, a clamping groove is formed in the bottom of the nut groove, an inner hexagonal wrench hole and a movable groove are formed in a nut of the fastening bolt, and a locking piece in the movable groove is formed by combining a bottom frame, an elastic supporting piece, the locking seat and clamping teeth, so that a self-locking effect is formed by embedding the clamping teeth into the clamping groove, and the installation stability of the self-cleaning assembly is effectively ensured.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;

FIG. 4 is an enlarged schematic view of the structure at C in FIG. 3;

FIG. 5 is a schematic diagram showing the position distribution of the upper spindle and the lower spindle according to the present application;

FIG. 6 is a schematic view of a self-cleaning assembly according to the present application;

FIG. 7 is an enlarged schematic view of the structure shown at D in FIG. 6;

FIG. 8 is an enlarged schematic view of the structure of FIG. 6 at E;

FIG. 9 is an enlarged schematic view of the structure shown at F in FIG. 6;

FIG. 10 is an enlarged schematic view of the structure at G in FIG. 9;

FIG. 11 is a schematic view showing the position distribution of the engaging groove according to the present application;

FIG. 12 is an enlarged schematic view of the structure at H in FIG. 11;

FIG. 13 is a schematic view of a two-stage arm clamp according to the present application;

FIG. 14 is a half cross-sectional view of a fastening bolt of the present application;

FIG. 15 is an enlarged schematic view of the structure shown at I in FIG. 14;

FIG. 16 is an enlarged schematic view of the structure shown at J in FIG. 15;

FIG. 17 is a schematic diagram showing the distribution of the positions of the movable slots according to the present application;

FIG. 18 is an enlarged schematic view of the structure shown at K in FIG. 17;

FIG. 19 is an enlarged schematic view of the structure at L in FIG. 18;

FIG. 20 is a schematic view of the structure of the anti-loosening member of the present application;

fig. 21 is an enlarged schematic view of the structure at M in fig. 20.

In the figure: the display screen 1, the upper rotating shaft 2, the lower rotating shaft 3, the driving structure 4, the self-cleaning assembly 5, the LED screen 6, the upper rotating shaft seat 7, the lower rotating shaft seat 8, the upper belt pulley 9, the lower belt pulley 10, the driving structure support 11, the primary driving belt 12, the driving motor 13, the driving belt pulley 14, the driven belt pulley 15, the secondary driving belt 16, the meshing groove 17, the meshing teeth 18, the mounting seat 19, the supporting spring 20, the top plate 21, the cleaning cloth 22, the guide groove 23, the guide post 24, the fixed connecting seat 25, the dismounting connecting seat 26, the primary clamping arm 27, the secondary clamping arm 28, the fastening bolt 29, the fastening nut 30, the primary mounting hole 31, the positioning groove 32, the positioning post 33, the butt joint hole 34, the butt joint post 35, the nut groove 36, the secondary mounting hole 37, the impact post 38, the clamping groove 39, the inner hexagonal wrench hole 40, the movable groove 41, the connecting hole 42, the push block 43, the positioning plate 44, the anti-loose piece 45, the bottom frame 46, the elastic supporting piece 47, the anti-loose seat 48, the clamping teeth 49, the wedge groove 50, the movable seat 51, the inner wedge block 52 and the outer wedge block 53.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present application more apparent, the embodiments of the present application will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present application, are intended to be illustrative only and not limiting of the embodiments of the present application, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present application.

In the description of the present application, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices 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 application. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-21, the present application provides the following seven preferred embodiments:

example 1

The utility model provides a noise pollution detection device for highway construction, including noise detection element and display element, its noise detection element includes condenser microphone, preamplifier, the attenuator, amplifier and frequency meter, display element includes display screen 1, upper position pivot 2, lower position pivot 3, drive structure 4 and self-cleaning assembly 5, the leading flank of display screen 1 is provided with LED screen 6, and the equal fixed mounting of the shell left and right sides face of display screen 1 has upper position pivot seat 7, lower position pivot seat 8, and the shell right flank fixed mounting of display screen 1 has drive structure support 11, upper position pivot 2 rotates and installs on upper position pivot seat 7, and upper position pivot 2's both sides are all fixed mounting has upper position belt pulley 9, lower position pivot 3 rotates and installs on lower position pivot seat 8, and the equal fixed mounting in both sides of lower position pivot 3 has lower position belt pulley 10, upper position belt pulley 9, be corresponding setting between lower position belt pulley 10, upper position belt pulley 9, lower position belt pulley 10 is the same, and upper position belt pulley 9, carry out the transmission through driving belt 12 between the one-level belt pulley 10 and connect, upper position pivot 2 rotates and installs on drive structure 4, and is located the top plate assembly 20, and is located by drive structure 20 and is equipped with drive structure 4.

The driving structure 4 is formed by combining a driving motor 13, a driving belt pulley 14, a driven belt pulley 15 and a secondary driving belt 16, the driving motor 13 is fixed on the driving structure bracket 11, the driving belt pulley 14 is fixed on a rotor of the driving motor 13, the driven belt pulley 15 is fixed on the upper rotating shaft 2, and the driving belt pulley 14 and the driven belt pulley 15 are in transmission connection through the secondary driving belt 16.

The inside wall of the primary transmission belt 12 is provided with the meshing groove 17, the outside wall of the upper belt pulley 9 and the lower belt pulley 10 is provided with the meshing teeth 18, the meshing groove 17 and the meshing teeth 18 are correspondingly arranged, and when the primary transmission belt 12 is actually installed, the meshing teeth 18 are embedded into the meshing groove 17, the upper display unit of the noise pollution detection device is formed by combining the display screen 1, the upper rotating shaft 2, the lower rotating shaft 3, the driving structure 4 and the self-cleaning assembly 5, the self-cleaning assembly 5 is formed by combining the mounting seat 19, the supporting spring 20, the top plate 21 and the cleaning cloth 22, so that the supporting spring 20 forms a jacking effect on the top plate 21, the cleaning cloth 22 forms a cleaning effect on the LED screen 6 on the display screen 1, and dust formed in the construction process is effectively prevented from covering the LED screen 6 to influence observation.

Example two

On the basis of the first embodiment, the mounting seat 19 is fixed on the primary driving belt 12 through the positioning assembly, the top plate 21 is connected with the mounting seat 19 through the supporting spring 20, the cleaning cloth 22 is fixed on the top plate 21, when the self-cleaning assembly 5 moves to the front side of the display screen 1, the cleaning cloth 22 is abutted against the LED screen 6, and at the moment, the supporting spring 20 is in a pressed state, the back of the display screen 1 is provided with the impact posts 38, the impact posts 38 are symmetrically arranged on two sides of the display screen 1, the end parts of the impact posts 38 are hemispherical, when the self-cleaning assembly 5 moves to the back of the display screen 1, the cleaning cloth 22 is not contacted with the back of the display screen 1, and collision occurs between the hemispherical part at the front end of the impact post 38 and the mounting seat 19, and by arranging the impact posts 38 on the back of the display screen 1, the self-cleaning assembly can collide with the impact posts 38 when the mounting seat 19 moves, and form a shaking effect through the supporting spring 20, so that the cleaning cloth 22 can form self-cleaning effect, thereby ensuring the subsequent cleaning effect.

Example III

On the basis of the second embodiment, the mounting seat 19 is provided with the guide groove 23, the guide groove 23 is a cavity of a circular truncated cone, the inner side surface of the top plate 21 is welded and connected with the guide post 24, the end surface of the guide post 24 is of a circular truncated cone, and when the supporting spring 20 is in a reset state, the guide post 24 is not contacted with the side wall of the guide groove 23, so that the mounting seat 19 can generate certain vibration, and meanwhile, the integral strength of the structure of the mounting seat can be ensured.

Example IV

On the basis of the first embodiment, the positioning assembly is formed by combining a fixed connecting seat 25, a detachable connecting seat 26, a first-stage clamping arm 27, a second-stage clamping arm 28, a fastening bolt 29 and a fastening nut 30, the fixed connecting seat 25 and the first-stage clamping arm 27 are integrally formed, the detachable connecting seat 26 and the second-stage clamping arm 28 are integrally formed, the fixed connecting seat 25 and the mounting seat 19 are fixedly welded, a first-stage mounting hole 31 is formed in the fixed connecting seat 25, a nut groove is formed in a port position of the first-stage mounting hole 31, a nut groove 36 is formed in an outer end face of the detachable connecting seat 26, a second-stage mounting hole 37 is formed in a groove bottom of the nut groove 36, the second-stage mounting hole 37 is arranged corresponding to the first-stage mounting hole 31, the fastening nut 30 is embedded and mounted in the nut groove, and the fastening bolt 29 penetrates the second-stage mounting hole 37 and the first-stage mounting hole 31 and is screwed on the fastening nut 30.

Example five

On the basis of the fourth embodiment, positioning grooves 32 are formed in two side walls of the primary driving belt 12, positioning columns 33 are formed in inner side walls of the primary clamping arms 27 and the secondary clamping arms 28, the positioning columns 33 are arranged corresponding to the positioning grooves 32, when the positioning assembly is actually installed, the positioning columns 33 are embedded into the positioning grooves 32, a butt joint hole 34 is formed in the inner side surface of the primary clamping arms 27, a butt joint column 35 is arranged on the inner side surface of the secondary clamping arms 28, a pair of butt joint columns 35 and a pair of butt joint holes 34 are formed in the butt joint columns 35 and the butt joint holes 34, and when the primary clamping arms 27 and the secondary clamping arms 28 are actually in butt joint, the butt joint columns 35 are embedded into the butt joint holes 34.

The bottom of the nut groove 36 is provided with a clamping groove 39, the nut of the fastening bolt 29 is provided with an inner hexagonal wrench hole 40 and a movable groove 41, the cross section of the movable groove 41 is a regular hexagonal frame body, the movable groove 41 is movably provided with a locking piece 45, the locking piece 45 is composed of a bottom frame 46, an elastic supporting piece 47, a locking seat 48 and clamping teeth 49, two ends of the elastic supporting piece 47 are respectively connected with the bottom frame 46 and the locking seat 48, the clamping teeth 49 and the locking seat 48 are integrally formed, the clamping groove 39 and the clamping teeth 49 are uniformly provided with a circle, the cross section of the clamping groove 39 and the clamping teeth 49 are all right triangle, the clamping groove 39 and the clamping teeth 49 are correspondingly arranged, when the fastening bolt 29 is actually screwed down, when the fastening bolt 29 is reversely screwed, the right-angle side of the fastening tooth 49 is abutted against the right-angle side of the fastening groove 39, the positioning assembly is formed by combining the fixed connecting seat 25, the detachable connecting seat 26, the primary clamping arm 27, the secondary clamping arm 28, the fastening bolt 29 and the fastening nut 30, the fastening groove 39 is formed at the bottom of the nut groove 36, the socket head wrench hole 40 and the movable groove 41 are formed in the nut of the fastening bolt 29, and the locking piece 45 in the movable groove 41 is formed by combining the bottom frame 46, the elastic supporting piece 47, the locking seat 48 and the fastening tooth 49, so that the self-locking effect is formed by embedding the fastening tooth 49 into the fastening groove 39, and the mounting stability of the self-cleaning assembly 5 is effectively ensured.

Example six

On the basis of the fifth embodiment, the socket wrench hole 40 and the movable groove 41 are communicated through the connecting hole 42, the wedge-shaped groove 50 is formed in the inner side wall of the anti-loose seat 48, the push block 43 is movably installed in the connecting hole 42, the push block 43 is formed by combining the movable seat 51, the inner wedge-shaped block 52 and the outer wedge-shaped block 53, the movable seat 51 is movably arranged in the connecting hole 42, the section size of the movable seat 51 is identical with the section size of the connecting hole 42, the inner wedge-shaped block 52 and the outer wedge-shaped block 53 are symmetrically arranged, the outline size of the inner wedge-shaped block 52 and the outline size of the outer wedge-shaped block 53 are smaller than the outline size of the movable seat 51, the positioning plate 44 is arranged in the socket wrench hole 40, the rectangular hole is formed in the positioning plate 44, the inner wedge-shaped block 52 penetrates through the rectangular hole, the movable seat 51 is limited through the positioning plate 44, and when the socket wrench is inserted into the socket wrench hole 40, the inner wedge-shaped block 52 is moved outwards, and at the moment, the clamping teeth 49 are withdrawn from the clamping groove 39, and the positioning assembly is convenient to disassemble and assemble.

Example seven

In accordance with the first embodiment, a method for detecting a noise pollution detection device for road construction, the method for detecting a noise pollution detection device for road construction, comprises:

step one: in the process of converting the sound signals, the received sound signals are converted into electric signals through the capacitor microphone;

step two: a signal primary amplifying process, in which the signal is amplified by a preamplifier;

step three: in the secondary signal amplification process, the signals are secondarily amplified through an attenuator and an amplifier;

step four: and displaying noise information through the display screen 1 in the display process.

While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.

Claims (10)

1. The utility model provides a noise pollution detection device for highway construction, includes noise detection unit and display element, and its noise detection unit includes condenser microphone, preamplifier, attenuator, amplifier and frequency meter, its characterized in that: the display unit includes:

the LED display screen comprises a display screen (1), wherein an LED screen (6) is arranged on the front side surface of the display screen (1), an upper rotating shaft seat (7) and a lower rotating shaft seat (8) are fixedly arranged on the left side surface and the right side surface of a shell of the display screen (1), and a driving structure bracket (11) is fixedly arranged on the right side surface of the shell of the display screen (1);

the upper rotating shaft (2) is rotatably arranged on the upper rotating shaft seat (7), and upper belt pulleys (9) are fixedly arranged on two sides of the upper rotating shaft (2);

the lower rotating shaft (3), the lower rotating shaft (3) is rotatably arranged on a lower rotating shaft seat (8), lower belt pulleys (10) are fixedly arranged on two sides of the lower rotating shaft (3), the upper belt pulleys (9) and the lower belt pulleys (10) are correspondingly arranged, the upper belt pulleys (9) and the lower belt pulleys (10) are identical in model, and the upper belt pulleys (9) and the lower belt pulleys (10) are in transmission connection through a primary transmission belt (12);

the upper rotating shaft (2) is driven by the driving structure (4), and the driving structure (4) is arranged on the driving structure bracket (11);

the self-cleaning assembly (5), both ends of self-cleaning assembly (5) are all positioned on one-level driving belt (12) of both sides through locating component, and self-cleaning assembly (5) are by mount pad (19), supporting spring (20), roof (21) and clearance cloth (22) combination constitution.

2. The noise pollution detection device for highway construction according to claim 1, wherein: the driving structure (4) is formed by combining a driving motor (13), a driving belt pulley (14), a driven belt pulley (15) and a secondary driving belt (16), the driving motor (13) is fixed on a driving structure support (11), the driving belt pulley (14) is fixed on a rotor of the driving motor (13), the driven belt pulley (15) is fixed on an upper rotating shaft (2), and the driving belt pulley (14) and the driven belt pulley (15) are in transmission connection through the secondary driving belt (16).

3. The noise pollution detection device for highway construction according to claim 1, wherein: the novel transmission belt is characterized in that the inner side wall of the primary transmission belt (12) is provided with a meshing groove (17), the outer side walls of the upper belt pulley (9) and the lower belt pulley (10) are provided with meshing teeth (18), the meshing groove (17) and the meshing teeth (18) are correspondingly arranged, and when the primary transmission belt (12) is actually installed, the meshing teeth (18) are embedded into the meshing groove (17).

4. The noise pollution detection device for highway construction according to claim 1, wherein: the utility model discloses a self-cleaning device for the display screen, including mount pad (19), supporting spring (20), bump post (38), roof (21) are connected with mount pad (19) through supporting spring (20), and cleaning cloth (22) are fixed on roof (21), and when self-cleaning assembly (5) moved to display screen (1) leading flank, its cleaning cloth (22) offset setting with LED screen (6), and at this moment, supporting spring (20) are in the pressurized state, the back of display screen (1) is provided with bump post (38), bump post (38) are provided with one row in the both sides of display screen (1) all symmetry, and bump post (38) tip is the hemisphere, when self-cleaning assembly (5) moved to the back of display screen (1), its cleaning cloth (22) and the back of display screen (1) do not contact, and bump can produce between bump post (38) front end hemisphere portion and mount pad (19).

5. The noise pollution detection device for highway construction according to claim 4, wherein: the mounting seat (19) is provided with a guide groove (23), the guide groove (23) is a circular truncated cone body cavity, the inner side surface of the top plate (21) is welded and connected with a guide column (24), the end surface of the guide column (24) is a circular truncated cone body, and when the supporting spring (20) is in a reset state, the guide column (24) is not contacted with the side wall of the guide groove (23).

6. The noise pollution detection device for highway construction according to claim 1, wherein: the positioning assembly is composed of a fixed connecting seat (25), a dismounting connecting seat (26), a first-stage clamping arm (27), a second-stage clamping arm (28), a fastening bolt (29) and a fastening nut (30), wherein the fixed connecting seat (25) and the first-stage clamping arm (27) are integrally formed, the dismounting connecting seat (26) and the second-stage clamping arm (28) are integrally formed, the fixed connecting seat (25) and the mounting seat (19) are fixedly welded, a first-stage mounting hole (31) is formed in the fixed connecting seat (25), a nut groove is formed in the port position of the first-stage mounting hole (31), a second-stage mounting hole (37) is formed in the outer end face of the dismounting connecting seat (26), the second-stage mounting hole (37) is formed in the groove bottom of the nut groove in a corresponding mode, and the fastening nut (30) is embedded and mounted in the groove in a mounting mode, and the fastening bolt (29) penetrates through the second-stage mounting hole (37) and is screwed on the fastening nut (30).

7. The noise pollution detection device for highway construction according to claim 6, wherein: positioning grooves (32) are formed in two side walls of the primary driving belt (12), positioning columns (33) are formed in inner side walls of the primary clamping arms (27) and the secondary clamping arms (28), the positioning columns (33) are arranged corresponding to the positioning grooves (32), positioning components are embedded into the positioning grooves (32) in actual installation, butt joint holes (34) are formed in inner side surfaces of the primary clamping arms (27), butt joint columns (35) are arranged on inner side surfaces of the secondary clamping arms (28), a pair of butt joint columns (35) and the butt joint holes (34) are formed in the butt joint columns (35) corresponding to the butt joint holes (34), and the butt joint columns (35) are embedded into the butt joint holes (34) in actual butt joint of the primary clamping arms (27) and the secondary clamping arms (28).

8. The noise pollution detection device for highway construction according to claim 6, wherein: the nut is characterized in that a clamping groove (39) is formed in the groove bottom of the nut groove (36), an inner hexagonal wrench hole (40) and a movable groove (41) are formed in the nut of the fastening bolt (29), a circle of regular hexagon frame body is arranged on the cross section of the movable groove (41), a locking piece (45) is movably arranged in the movable groove (41), the locking piece (45) is formed by combining a bottom frame (46), an elastic supporting piece (47), a locking seat (48) and a locking tooth (49), two ends of the elastic supporting piece (47) are respectively connected with the bottom frame (46) and the locking seat (48), the locking tooth (49) and the locking seat (48) are integrally formed, the locking groove (39) and the locking tooth (49) are uniformly circumferentially provided with a circle, the cross sections of the locking groove (39) and the locking tooth (49) are respectively in a right triangle shape, the locking groove (39) and the locking tooth (49) are correspondingly arranged, and when the fastening bolt (29) is tightly clamped, the locking tooth (49) is tightly abutted against the right-angle groove (39), and the locking tooth (49) is tightly screwed, and the locking tooth (39) is tightly screwed tightly against the bolt.

9. The noise pollution detection device for highway construction according to claim 8, wherein: the inner hexagonal wrench is characterized in that the inner hexagonal wrench hole (40) and the movable groove (41) are communicated through the connecting hole (42), a wedge groove (50) is formed in the inner side wall of the anti-loosening seat (48), a push block (43) is movably installed in the connecting hole (42), the push block (43) is formed by combining the movable seat (51), the inner wedge block (52) and the outer wedge block (53), the movable seat (51) is movably arranged in the connecting hole (42), the section size of the movable seat (51) is identical with the section size of the connecting hole (42), the inner wedge block (52) and the outer wedge block (53) are symmetrically arranged, the outline size of the inner wedge block (52) and the outline size of the outer wedge block (53) are smaller than the outline size of the movable seat (51), a positioning plate (44) is arranged in the inner hexagonal wrench hole (40), the positioning plate (44) is provided with a rectangular hole, the inner wedge block (52) penetrates through the rectangular hole, the movable seat (51) is limited through the positioning plate (44), and the inner wedge block (40) is inserted into the inner wedge block (52) to be clamped into the inner wedge block (39) when the inner wedge block is clamped.

10. A method of detecting noise pollution for highway construction as defined in any one of claims 1 to 9, wherein: the detection method of the noise pollution detection device for highway construction comprises the following steps:

step one: a conversion process of the sound signal, in which the received sound signal is converted into an electrical signal by the condenser microphone;

step two: a signal primary amplifying process, in which the signal is amplified by a preamplifier;

step three: the signal secondary amplification process is carried out by carrying out secondary amplification on the signal through an attenuator and an amplifier;

step four: and displaying the noise information through a display screen (1) in the displaying process.