Insertion plate type I-shaped unit plate of metal sound barrier

Abstract

The utility model discloses an I-type unit plate of a plugboard type metal sound barrier, and relates to the field of sound shielding. Comprising two main beam profiles which are symmetrically arranged up and down; the multiple middle keels are sequentially and fixedly connected between the two main beam profiles in parallel, round through holes are formed in the middle keels, and the ends of the round through holes can be fixedly connected with the corresponding main beam profiles; the sound absorption assembly is arranged in a mounting area formed by the middle keel and the main beam profile; the face and back plate assemblies are arranged on the front side and the rear side of the sound absorption assembly, the upper ends and the lower ends of the face and back plate assemblies are fixedly connected with the corresponding main beam sectional materials respectively, and ethylene-propylene-diene monomer foaming rubber strips are arranged between the face and back plate assemblies and the main beam sectional materials. The end sealing heads are symmetrically fixed to the left side and the right side of the face back plate assembly, and the suspension inhaul cables can penetrate through cavities between the end sealing heads and the adjacent middle keels. The metal sound barrier can prevent the falling risk caused by the problems of displacement, accidental impact, size measurement and the like, and is used for prolonging the fatigue service life of the metal sound barrier.

Description

TECHNICAL FIELD

[0001] The utility model relates to sound shielding device technical field, in particular to a kind of plugboard type metal sound barrier I type unit board. BACKGROUND

[0002] Sound barrier is mainly installed in railway or urban rail transit both sides, purpose is to reduce noise pollution, improve people's living environment quality.Its basic design principle includes using sound-absorbing material to absorb sound wave energy, and using sound insulation material to block the propagation of sound wave etc..With the development of city construction, the number of existing high-speed train and its operation train number will increase, the impact fatigue performance of sound barrier will be more and more high, to ensure the safety of metal sound barrier within the specified service life, it is urgent to develop a kind of sound barrier under the fatigue use method of enhanced metal sound barrier. SUMMARY

[0003] The utility model discloses a kind of plugboard type metal sound barrier I type unit board, to solve the problems of above-mentioned prior art, can prevent displacement, accidental impact, size measurement etc. The risk of falling caused by problem, overallly enhanced the number of metal sound barrier fatigue use, increase service life.

[0004] To achieve the above object, the utility model provides the following scheme:

[0005] The utility model provides a kind of plugboard type metal sound barrier I type unit board, comprising:

[0006] Main beam profile, two described main beam profiles are symmetrically arranged upside down;

[0007] Multiple middle keels are sequentially fixedly connected between two described main beam profiles, and the middle keel is provided with circular through-hole, and the circular through-hole end can be fixedly connected with corresponding main beam profile;

[0008] Sound absorption assembly is set in the installation area formed by the middle keel and main beam profile;

[0009] Face backboard assembly is set in the sound absorption assembly front and back two sides, and its upper end and lower end are fixedly connected with corresponding main beam profile respectively;

[0010] End head is symmetrically fixed in the face backboard assembly left and right sides, and the cavity between the end head and adjacent middle keel can be provided with suspension cable.

[0011] Preferably, the transverse section of the middle keel is an I-shaped structure, the upper end and the lower end of the two side plates of the middle keel are fixedly connected with the corresponding main beam profiles respectively, and an integral vertical connecting pipe is formed on the middle connecting plate of the middle keel, the circular through hole penetrates the connecting pipe along the axial direction, and the top and bottom of the circular through hole can be bolted or riveted with the corresponding main beam profiles respectively.

[0012] Preferably, the inner side of the side plate of the middle keel is provided with a strip-shaped protrusion arranged in the length direction.

[0013] Preferably, the main beam profile is an integral extrusion and drawing forming structure, including a cavity plate and two L-shaped positioning plates, the long side of the L-shaped positioning plate is horizontally arranged, the left and right ends of the cavity plate are fixedly connected with the upper part of the long side of the corresponding L-shaped positioning plate respectively, a vertical short side is fixedly arranged on the inner side of the long side of the L-shaped positioning plate, and the short side is used for fixedly connecting the middle keel; one end of the long side of the L-shaped positioning plate away from the short side is provided with a bending groove opposite to the direction of the short side, and the bending groove is used for fixedly connecting the face and back plate assembly.

[0014] Preferably, the face and back plate assembly includes a face plate and a back plate, the upper and lower ends of the face plate and the back plate are provided with bending hooks respectively, the two bending hooks of the face plate are fixedly buckled at the bending grooves on the front sides of the upper and lower main beam profiles respectively, and the two bending hooks of the back plate are fixedly buckled at the bending grooves on the rear sides of the upper and lower main beam profiles respectively.

[0015] Preferably, a plurality of waist-shaped holes are formed in the face plate, and a reinforcing rib can be arranged horizontally in the length direction of the middle part of the face plate.

[0016] Preferably, an inner recess structure is arranged in the middle part of the cavity plate, the inner side of the inner recess structure is fixedly connected with the corresponding end of the circular through hole through bolts, the outer side of the inner recess structure forms a first drainage groove, and the inner side of the cavity plate between the short side and the positions of the two ends of the inner recess structure forms a second drainage groove.

[0017] Preferably, the sound absorption assembly includes an aluminum plate net, sound absorption rock wool and hydrophobic glass fiber cloth, the sound absorption rock wool is wrapped with the hydrophobic glass fiber cloth, and the outer side of the hydrophobic glass fiber cloth is clamped with the aluminum plate net.

[0018] Preferably, the outer side of the left and right ends of the face back plate assembly is provided with a single tube rubber strip arranged vertically, the radial section of the single tube rubber strip is a circular structure, and one side of the circular structure is provided with an extended edge, the end head is fixedly arranged on the two sides of the face back plate assembly, and the extended edge of the single tube rubber strip is fixedly compressed, the outer side of the end head is fixedly inserted into the steel column cavity, and the inner side wall of the steel column cavity is fixedly abutted to the circular structure of the single tube rubber strip; the foaming rubber strip arranged horizontally and having a radial section in a circular shape is arranged in the bending groove.

[0019] Preferably, the outer side of the main beam profile is fixedly provided with a plate-to-plate groove, and the plate-to-plate rubber strip is connected to the plate-to-plate groove.

[0020] The utility model discloses the following technical effects are obtained relative to prior art:

[0021] The cavity between the end head and the adjacent middle keel of the utility model can be provided with a suspension cable, the suspension cable is arranged between the upper and lower main beam profiles and is fixed to an external fixed structure, so that the utility model can play an auxiliary supporting role on the whole; the main beam profile adopts an aluminum profile structure, the profile formed by extrusion plays a role of a damping spring by the structure, and when the main beam profile is compressed under external force, the main beam profile can rebound to the initial state by the elasticity of the main beam profile, and the face back plate assembly and the main beam profile are provided with EPDM, so that the main beam profile and the foaming rubber strip can play a double damping role when the train wind pressure is received, and the impact resistance of the utility model is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 It is a structure schematic view of the plug-in type metal sound barrier I unit plate after removing the end head in one or some embodiments of the utility model;

[0024] Figure 2 It is a main beam profile structure schematic view in one or some embodiments of the utility model;

[0025] Figure 3 It is a middle keel schematic view in one or some embodiments of the utility model;

[0026] Figure 4For one or some embodiments of the utility model, end head schematic view;

[0027] Figure 5 For one or some embodiments of the utility model, foamed adhesive tape radial section schematic view;

[0028] Figure 6 For one or some embodiments of the utility model, inter -plate adhesive tape radial section schematic view;

[0029] Figure 7 For one or some embodiments of the utility model, single pipe adhesive tape radial section schematic view;

[0030] Figure 8 For one or some embodiments of the utility model, foamed adhesive tape, inter -plate adhesive tape and single pipe adhesive tape installation position schematic view;

[0031] Figure 9 For one or some embodiments of the utility model, sound absorption assembly schematic view;

[0032] Figure 10 For one or some embodiments of the utility model, panel schematic view;

[0033] Figure 11 For one or some embodiments of the utility model, backboard schematic view;

[0034] Figure 12 For one or some embodiments of the utility model, overall structure section schematic view;

[0035] Figure 13 For one or some embodiments of the utility model, sound absorption assembly after installation section schematic view;

[0036] Figure 14 For one or some embodiments of the utility model, steel column cavity and noise reduction unit board connecting place section schematic view;

[0037] Figure 15 For one or some embodiments of the utility model, backboard and main beam section material connecting position section schematic view;

[0038] Figure 16 For one or some embodiments of the utility model, sound absorption assembly main view.

[0039] In the figure: 1-main beam profile, 101-cavity plate, 102-L-shaped positioning plate, 103-bending groove, 104-recessed structure, 105-interboard groove, 2-panel, 201-stiffener, 202-waist hole, 3-back plate, 4-sound absorption assembly, 401-sound absorption rock wool, 402-hydrophobic glass fiber cloth, 403-aluminum mesh, 5-end head, 6-steel column cavity, 7-middle keel, 701-connecting pipe, 702-strip-shaped protrusion, 703-circular through hole, 8-foamed rubber strip, 9-interboard rubber strip, 10-single pipe rubber strip, 11-bending hook, 12-first drainage groove, 13-second drainage groove. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0041] The utility model aims at providing a plug-in board type metal sound barrier I type unit board to solve the problems in the prior art, prevent the falling risk caused by displacement, accidental impact, size measurement and other problems, and enhance the fatigue use frequency of the metal sound barrier as a whole and increase the service life.

[0042] To make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model will be described in further detail below with reference to the drawings and specific embodiments.

[0043] The utility model provides a plug-in board type metal sound barrier I type unit board, like Figures 1-16As shown, it comprises two upper and lower symmetrical main beam profiles 1; a plurality of middle keels 7 are sequentially and fixedly connected in parallel between the two main beam profiles 1, play a supporting role, can bear the vertical load during use of the utility model, and the middle keel 7 is provided with a circular through hole, the circular through hole can be fixedly connected with the corresponding main beam profile 1 by bolts, in addition to the bolted connection mode, the two can also be fixedly connected by riveting, the bolt can also be removed, then the suspension cable is inserted into the circular through hole 703 from the bolt hole of the main beam profile 1, and the suspension cable can also play a role of suspension support for the whole device; the sound absorption assembly 4 is arranged in the mounting area formed by the middle keel 7 and the main beam profile 1, the sound absorption assembly 4 comprises an aluminum sheet net 403, sound absorption rock wool 401 and a hydrophobic glass fiber cloth 402; the sound absorption rock wool 401 is wrapped with the hydrophobic glass fiber cloth 402, and the aluminum sheet net 403 is clamped on the outer side of the hydrophobic glass fiber cloth 402. The face back plate assembly is arranged on the front and back sides of the sound absorption assembly 4, and the upper end and the lower end thereof are fixedly connected with the corresponding main beam profile 1; the end head 5 is a U-shaped plate structure with one side opening, and the opening side is provided with two middle plates parallel to the side edges, and the cavity formed between the two side edges of the end head 5 is larger than the width between the face back plate assemblies, so that the end head 5 can be symmetrically clamped on the left and right sides of the face back plate assembly, and the left and right ends of the noise reduction unit plate are sealed, preventing the left and right movement of the noise reduction unit plate during use; the end head 5 can isolate the effect of the steel column and the noise reduction unit plate during use of the sound barrier, and has a buffering effect.

[0044] In an embodiment, the face back plate assembly comprises a face plate 2 and a back plate 3, the face plate 2 is close to the side of the railway or track during use, the side where the face plate 2 is located is the front side, the side where the back plate 3 is located is the rear side, the transverse section of the middle keel 7 is in the shape of an I-beam, the upper end and the lower end of the two side plates of the middle keel 7 are fixedly connected with the corresponding main beam profile 1, an integrally formed connecting pipe 701 vertically arranged is formed on the middle connecting plate of the middle keel 7, the circular through hole 703 penetrates the connecting pipe 701 along the axial direction, and the top and bottom of the circular through hole 703 can be fixedly connected with the corresponding main beam profile 1 by bolts; the mounting area is a rectangular space with boundaries, the two main beam profiles 1 form the upper and lower boundaries of the mounting area, the middle connecting plates of the adjacent two middle keels 7 form the left and right boundaries of the mounting area, and the virtual plane formed by the side plates on the front side of the adjacent two middle keels 7 and the virtual plane formed by the side plates on the rear side of the adjacent two middle keels 7 form the front and rear boundaries of the mounting area. In this embodiment, a strip-shaped protrusion 702 arranged along the length direction is arranged on the inner side of the side plate of the middle keel 7, which plays the role of a clamping groove of the sound absorption assembly 4 during use, preventing the self-vibration of the sound absorption assembly 4 due to the impact of train pulsating force during use; the vertically arranged strip-shaped protrusion 702 can also dissipate the load perpendicular to the surface of the noise reduction unit plate transmitted by the main beam profile 1, at this time, the strip-shaped protrusion 702 mainly plays the role of a reinforcing rib.

[0045] The main beam profile 1 of the embodiment is an integrally formed structure, and the main beam profile 1 main body structure comprises a cavity plate 101 and two L-shaped positioning plates 102, the long edges of the L-shaped positioning plates 102 are horizontally arranged, and the left and right ends of the cavity plate 101 are respectively fixed to the upper parts of the long edges of the corresponding L-shaped positioning plates 102, the inner sides of the long edges of the L-shaped positioning plates 102 are fixedly provided with vertical short edges, and the short edges are used for fixedly connecting the middle keels 7; one end of the long edge of the L-shaped positioning plate 102 away from the short edge is provided with a bending groove 103 opposite to the direction of the short edge, the upper and lower ends of the panel 2 and the back plate 3 of the embodiment are respectively provided with bending hooks 11, the two bending hooks 11 of the panel 2 are respectively fixedly buckled at the bending grooves 103 on the front sides of the upper and lower main beam profiles 1, and the two bending hooks 11 of the back plate 3 are respectively fixedly buckled at the bending grooves 103 on the rear sides of the upper and lower main beam profiles 1. The circular structure at the edge of the bending groove 103 is matched with the position of the bending hook 11 of the panel and the back plate 3, and when force is applied, the force is released through the circular surface of the bending groove 103, so that the panel and the back plate 3 are prevented from being damaged due to impact.

[0046] A plurality of waist-shaped holes 202 are formed in the panel 2, when a train passes quickly, air in the front part of the train is extruded to form positive pressure, enters the device through the waist-shaped holes 202, and impacts the device, negative pressure is formed during the passing process of the train, air flows reversely, and then reversely impacts the device, and since the plurality of middle keels 7 are arranged, good supporting effect can be achieved, and the fatigue use frequency of the metal sound barrier is improved as a whole; the reinforcing ribs 201 can be horizontally arranged along the length direction in the middle part of the panel 2 according to needs, and the impact resistance of the panel 2 is improved.

[0047] The inner recess structure 104 is provided in the middle part of the cavity plate 101, the inner side of the inner recess structure 104 is fixedly connected with the corresponding end of the circular through hole through bolts; the outer side of the inner recess structure 104 forms a first drainage groove 12, and the inner side of the cavity plate 101 between the short edges at the positions of the two ends of the inner recess structure 104 forms a second drainage groove 13, so that rainwater can be discharged in time in rainy and snowy weather, and the sound absorption assembly 4 is prevented from being soaked by rainwater.

[0048] In order to make the sealing performance better, and further improve the buffering effect, the outer side of the left and right ends of the face back plate assembly is provided with a single pipe rubber strip 10 arranged vertically, the radial section of the single pipe rubber strip 10 is a circular structure, and the circular structure is provided with an extension edge, the end head 5 is fixed on the two sides of the face back plate assembly, and the extension edge of the single pipe rubber strip 10 is fixed and compressed, the outer side of the end head 5 is fixedly inserted into the steel column cavity 6, and the inner side wall of the steel column cavity 6 is fixedly abutted on the circular structure of the single pipe rubber strip 10, the single pipe rubber strip 10 is made of ethylene propylene rubber extrusion molding, and the noise reduction unit plate and the steel column cavity 6 are isolated; The foamed rubber strip 8 arranged horizontally and having a circular radial section is arranged in the bending groove 103, the foamed rubber strip 8 is located at the connecting position of the bending hook 11 and the bending groove 103, and the foamed rubber strip 8 is made of ethylene propylene foamed rubber and plays a role of buffering and damping when vibrating.

[0049] The utility model further provides a sound barrier, including the plug -in board formula metal sound barrier I type unit board as above, plug -in board formula metal sound barrier I type unit board left and right sides are fixed in steel column cavity 6, the outer side of main beam section bar 1 is fixedly provided with the inter -plate groove 105, and the inter -plate groove 105 is clamped with the inter -plate rubber strip 9, and the main body structure of the inter -plate rubber strip 9 is same with single pipe rubber strip 10, and the difference is that the circular structure side wall of the inter -plate rubber strip 9 is further fixedly connected with T type positioning part, and the T type positioning part is fixedly clamped in the corresponding inter -plate groove 105, the circular structure of the inter -plate rubber strip 9 of the corresponding inter -plate rubber strip 9 of the upper and lower adjacent two plug -in board formula metal sound barrier I type unit boards is fixedly abutted, the inter -plate rubber strip 9 is made of ethylene propylene rubber extrusion molding, and is arranged in the inter -plate groove, and noise is isolated from the upper and lower adjacent two plug -in board formula metal sound barrier I type unit boards.

[0050] The principle and implementation mode of the specific examples are described in the utility model, and the above embodiment is only used to help understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the utility model, the specific implementation mode and application range will be changed. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A type I unit panel of a plug-in metal sound barrier, characterized in that: The utility model relates to a kind of main girder profiles, two main girder profiles are arranged symmetrically up and down;Multiple middle keels are sequentially fixedly connected in parallel between two main girder profiles, and the middle keel is provided with a circular through-hole, and the end of the circular through-hole can be fixedly connected with the corresponding main girder profile;Sound absorption assembly is arranged in the installation area formed by the middle keel and the main girder profile;Face back plate assembly is arranged on the front and back of the sound absorption assembly, and the upper end and the lower end thereof are fixedly connected with the corresponding main girder profile respectively;End head is fixedly connected on the left and right sides of the face back plate assembly, and the cavity between the end head and the adjacent middle keel can be provided with a suspension cable. The transverse section of the middle keel is in the shape of an I-beam, and the upper end and the lower end of the two side plates of the middle keel are fixedly connected with the corresponding main girder profile respectively, and a connecting pipe arranged vertically is integrally formed on the middle web plate of the middle keel, the circular through-hole penetrates the connecting pipe along the axial direction, and the top and the bottom of the circular through-hole can be bolted or riveted with the corresponding main girder profile respectively;The installation area is a rectangular space with boundaries, and the two main girder profiles form the upper and lower boundaries of the installation area, the middle web plates of the adjacent two middle keels form the left and right boundaries of the installation area, and the side plates of the adjacent two middle keels form the front and back boundaries of the installation area. The inner side of the side plate of the middle keel is provided with a strip-shaped protrusion arranged in the length direction. The main girder profile is an integrally extruded and drawn structure, which comprises a cavity plate and two L-shaped positioning plates, the long side of the L-shaped positioning plate is horizontally arranged, and the left and right ends of the cavity plate are fixed on the upper part of the long side of the corresponding L-shaped positioning plate, a vertical short side is fixed on the inner side of the long side of the L-shaped positioning plate, and the short side is used for fixedly connecting the middle keel; the long side of the L-shaped positioning plate is provided with a bending groove opposite to the short side at the end away from the short side, and the bending groove is used for fixedly connecting the face back plate assembly. The face back plate assembly comprises a face plate and a back plate, and the upper and lower ends of the face plate and the back plate are provided with bending hooks, the two bending hooks of the face plate are fixedly buckled in the bending grooves on the front sides of the upper and lower main girder profiles respectively, and the two bending hooks of the back plate are fixedly buckled in the bending grooves on the rear sides of the upper and lower main girder profiles respectively. A plurality of waist-shaped holes are formed in the face plate, and a reinforcing rib can be arranged horizontally in the length direction of the middle part of the face plate.

2. The panel-type metal sound barrier type I unit panel according to claim 1, characterized by: An inner recess structure is provided in the middle part of the cavity plate, and the inner side of the inner recess structure is fixedly connected with the corresponding end of the circular through-hole by bolts; a first drainage groove is formed on the outer side of the inner recess structure, and a second drainage groove is formed between the inner side of the cavity plate at the positions of the two ends of the inner recess structure and the short side.

3. The panel-type metal sound barrier type I unit panel according to claim 2, characterized by: The sound absorption assembly comprises an aluminum sheet, sound-absorbing rock wool and hydrophobic glass fiber cloth, the sound-absorbing rock wool is wrapped with the hydrophobic glass fiber cloth, and the outer side of the hydrophobic glass fiber cloth is clamped with the aluminum sheet.

4. The panel-type metal sound barrier type I unit panel according to claim 1, characterized by: ​ 5. The panel-type metal sound barrier type I unit panel according to claim 4, characterized by: ​ 6. The panel-type metal sound barrier type I unit panel according to claim 5, characterized by: ​ 7. The panel-type metal sound barrier type I unit panel according to claim 4, characterized by: ​ 8. The panel-type metal sound barrier type I unit panel according to claim 1, characterized by: ​ 9. The panel-type metal sound barrier type I unit panel according to claim 5, characterized by: The outer side of the left and right ends of the face-back plate assembly is provided with a single tube rubber strip arranged vertically, the radial section of the single tube rubber strip is a circular structure, and one side of the circular structure is provided with an extended edge, the end head is fixedly arranged on the two sides of the face-back plate assembly to fixedly press and combine the extended edge of the single tube rubber strip, the outer side of the end head is fixedly inserted into the steel column cavity, and the inner side wall of the steel column cavity is fixedly abutted against the circular structure of the single tube rubber strip; the bending groove is provided with a foamed rubber strip arranged horizontally and having a circular radial section, and the foamed rubber strip is located at the connecting position of the bending hook and the bending groove.

10. The panel-type metal sound barrier type I unit panel according to claim 5, characterized by: The outer side of the main beam profile is fixedly provided with a plate-to-plate groove, the plate-to-plate groove is provided with a plate-to-plate rubber strip, and the corresponding plate-to-plate rubber strips of the upper and lower adjacent two plug-in plate type metal sound barriers type I unit plates are fixedly abutted.

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