CN213773024U - Noise reduction barrier for railway - Google Patents
Noise reduction barrier for railway Download PDFInfo
- Publication number
- CN213773024U CN213773024U CN202020863607.3U CN202020863607U CN213773024U CN 213773024 U CN213773024 U CN 213773024U CN 202020863607 U CN202020863607 U CN 202020863607U CN 213773024 U CN213773024 U CN 213773024U
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- noise reduction
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- 238000009434 installation Methods 0.000 abstract description 10
- 230000001681 protective effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
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- 229920000742 Cotton Polymers 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 230000006870 function Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model discloses a railway noise reduction protective screen, include: the left side and the right side of the outer wall of each fixed rod are provided with two concave holes; the supporting frame is fixedly arranged at the bottom end of the fixing rod; the three transverse supporting rods are detachably arranged between the two fixing rods from top to bottom; the two sound-absorbing plates are detachably arranged between the two fixing rods in the left-right direction and are positioned in a gap between the two adjacent transverse supporting rods; the clamping mechanism is fixedly arranged at the left end and the right end of the sound-absorbing plate; the control mechanism is fixedly arranged in the inner cavity at the longitudinal center of the fixing rod. This protective screen of making an uproar falls in railway, the little efficiency of construction of the installation degree of difficulty is high, and convenient transportation has reduced the maintenance cost in later stage, and the noise reduction effect is showing.
Description
Technical Field
The utility model relates to a technical field that makes an uproar falls in the railway specifically is a protective screen of making an uproar falls in railway.
Background
The railway transportation is a land transportation mode, a locomotive pulls a train vehicle to run on two parallel rails, the traditional mode is steel wheel traveling, but the generalized railway transportation also comprises a non-steel wheel traveling mode such as a magnetic suspension train, a cable car, a cableway and the like, or called rail transportation, a sound barrier, which is mainly used for sound insulation and noise reduction of highways, expressways, railways, overhead composite roads and other noise sources, a facility is inserted between a sound source and a receiver, so that the sound wave propagation has obvious additional attenuation, the noise influence in a certain area where the receiver is located is weakened, and various means for solving the railway noise are provided, wherein one of the means is a railway noise reduction barrier;
the protective screen of making an uproar falls in current railway needs install in resident living area around the line, along with the rapid development construction of china's railway, the engineering volume is huge, the big low construction efficiency of the installation degree of difficulty to current protective screen is great, and is very inconvenient at the in-process of transportation, and the protective screen of making an uproar falls in the railway generally adopts ordinary acoustic celotex board, and is little with the area of contact of sound source, and the sound absorbing effect is relatively poor, is difficult to change to the local damaged area after local damage, and later maintenance is with high costs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a railway noise reduction protective screen to solve the big low, the inconvenient and the high problem of maintenance cost of the installation degree of difficulty that proposes among the prior art of the installation degree of difficulty.
In order to achieve the above object, the utility model provides a following technical scheme: a railway noise reduction barrier, comprising:
the left side and the right side of the outer wall of each fixed rod are provided with two concave holes;
the supporting frame is fixedly arranged at the bottom end of the fixing rod;
the three transverse supporting rods are detachably arranged between the two fixing rods from top to bottom;
the two sound-absorbing plates are detachably arranged between the two fixing rods in the left-right direction and are positioned in a gap between the two adjacent transverse supporting rods;
the clamping mechanisms are arranged at the left end and the right end of the sound-absorbing plate;
the control mechanism is arranged in the inner cavity at the longitudinal center of the fixing rod.
Preferably, the sound-absorbing plate is further provided with: the four sound absorption strips are arranged on the outer wall of the front end of the sound absorption plate on average from top to bottom along the left-right direction; the through-hole, a plurality of the equidistance from a left side to the right side is seted up along the fore-and-aft direction on the outer wall of both sides around the abatvoix, and be located adjacent two inhale between the sound strip.
Preferably, the card moving mechanism includes: the torsion spring is fixedly arranged at the top of the right side of the inner cavity of the sound-absorbing board along the front-back direction; the clamping block is sleeved at the left end stress part of the torsion spring, and the top end of the clamping block can rotate to the outside of the sound-absorbing plate; the limiting block is fixedly arranged on the right side of the bottom end of the clamping block, and the outer wall of the left end of the limiting block is inclined; the sliding block is arranged in the inner cavity of the sound absorption plate and can move in the left-right direction; the first rotating shaft is arranged above the sliding block along the front-back direction and can rotate around the axis of the first rotating shaft, and the first rotating shaft is positioned on the left side of the limiting block; the right end of the telescopic rod is fixedly arranged on the inner wall of the right side of the inner cavity of the sound-absorbing plate, and the left end of the telescopic rod is connected to the right end of the sliding block in a telescopic mode; and the spring is sleeved on the outer side of the outer wall of the telescopic rod.
Preferably, the control mechanism further comprises: the control mechanism further comprises: the second rotating shaft is arranged in the middle of the inner cavity of the fixed rod and can rotate around the axis of the second rotating shaft along the front-back direction, and the front end of the second rotating shaft extends to the front side surface of the fixed rod; the rotating block is fixedly sleeved on the outer wall of the second rotating shaft, and the outer walls of the right top end and the left bottom end of the rotating block are provided with certain radians; the two baffles are respectively arranged on the left side and the right side of the rotating block and are both arranged in the inner cavity of the fixed rod; the connecting rods are inserted into the inner cavity of the sound-absorbing plate in a left-right moving mode, the left ends of the connecting rods are fixedly connected to the baffle, and the other ends of the connecting rods are in contact with the sliding blocks.
Preferably, the outside of the fixing rod is provided with: the screwing handle is fixedly arranged at the front end of the second rotating shaft; and the bolts penetrate through the fixed rod and the supporting rod respectively along the front and back directions and are used for fixing and locking the transverse supporting rod.
Preferably, the top end and the bottom end of the transverse supporting rod are respectively provided with a bulge and a groove, and are in adaptive clamping connection with the top end and the bottom end of the sound-absorbing board.
Compared with the prior art, the beneficial effects of the utility model are that: this protective screen of making an uproar falls in railway, can be quick through the card motive and construct with abatvoix fixed mounting on the dead lever, still can keep very fast installation rate at the huge prerequisite of engineering volume, the low efficiency of construction of the installation degree of difficulty is high, and this protective screen of making an uproar falls in railway is detachable construction, the free volume of abatvoix is less, convenient transportation, through the abatvoix, the outer wall of sound absorption strip and a plurality of through-hole has increaseed the area of contact with the sound source, the sound absorbing effect is showing, can change to the local damaged regional spare part after the protective screen is impaired, the maintenance cost in later stage has been reduced.
Drawings
FIG. 1 is a schematic view of the front view and partial sectional structure of the present invention;
FIG. 2 is a schematic right sectional view of the present invention;
fig. 3 is an enlarged view of fig. 1 at a.
In the figure: 1. the device comprises a fixing rod, 2, a supporting frame, 3, a clamping mechanism, 4, a control mechanism, 5, a wrench, 6, a sound absorption plate, 7, a sound absorption strip, 8, a through hole, 9, a bolt, 10, a transverse supporting rod, 31, a torsion spring, 32, a clamping block, 33, a limiting block, 34, a sliding block, 35, a first rotating shaft, 36, a spring, 37, a telescopic rod, 41, a connecting rod, 42, a baffle, 43, a second rotating shaft, 44 and a rotating block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution of a noise reduction barrier for a railway: the method comprises the following steps: the fixing rods 1, the supporting frame 2, the clamping mechanism 3, the control mechanism 4, the sound-absorbing board 6 and the transverse supporting rod 10 are arranged in the same direction, and two concave holes are formed in the left side and the right side of the outer wall of each fixing rod 1; the supporting frame 2 is fixedly arranged at the bottom end of the fixed rod 1; the three transverse support rods 10 are detachably arranged between the two fixing rods 1 from top to bottom; the two sound-absorbing boards 6 are detachably arranged between the two fixing rods 1 in the left-right direction and are positioned in a gap between two adjacent transverse supporting rods 10; the clamping mechanisms 3 are arranged at the left end and the right end of the sound-absorbing plate 6; the control mechanism 4 is arranged in an inner cavity at the longitudinal center of the fixed rod 1 and can be matched with the clamping mechanism 3 to realize the functions of quick installation and disassembly.
Preferably, the sound-absorbing plate 6 further has mounted thereon: the four sound absorption strips 7 are arranged on the outer wall of the front end of the sound absorption plate 6 on average from top to bottom along the left-right direction; a plurality of through-hole 8 is seted up on the front and back both sides outer wall of abatvoix 6 along the equidistance from a left side to the right side of fore-and-aft direction, and is located between two adjacent sound absorption strips 7, has increaseed the area of contact with the sound source, abatvoix 6 with sound absorption strip 7's material is foamed aluminum or/and sound absorption glass fiber cotton, reinforcing noise reduction effect.
Preferably, the card moving mechanism 3 further includes: the torsion spring 31, the clamping block 32, the limiting block 33, the sliding block 34, the first rotating shaft 35, the spring 36 and the telescopic rod 37 are fixedly arranged at the top of the right side of the inner cavity of the sound-absorbing board 6 along the front-back direction; the clamping block 32 is sleeved at the left end stress part of the torsion spring 31, and the top end of the clamping block can rotate to the outside of the sound absorption plate 6; the limiting block 33 is fixedly arranged on the right side of the bottom end of the clamping block 32, and the outer wall of the left end of the limiting block is inclined; the slider 34 is disposed in the inner cavity of the sound-absorbing panel 6 movably in the left-right direction; the first rotating shaft 35 is arranged above the sliding block 34 along the front-back direction and can rotate around the axis of the first rotating shaft, and is positioned on the left side of the limiting block 33; the right end of the telescopic rod 37 is fixedly arranged on the inner wall of the right side of the inner cavity of the sound-absorbing board 6, and the left end of the telescopic rod is telescopically connected with the right end of the sliding block 34; the spring 36 is sleeved outside the outer wall of the telescopic rod 37, so that the sound-absorbing board 6 can be quickly locked in the concave hole of the fixing rod 1.
Preferably, the control mechanism 4 further comprises: the connecting rod 41, the baffle 42, the second rotating shaft 43 and the rotating block 44, the second rotating shaft 43 is arranged in the middle of the inner cavity of the fixing rod 1 in a way that the second rotating shaft can rotate around the axis of the second rotating shaft in the front-back direction, and the front end of the second rotating shaft extends to the front side surface of the fixing rod 1; the rotating block 44 is fixedly sleeved on the outer wall of the second rotating shaft 43, and the outer walls of the right top end and the left bottom end of the rotating block have certain radians; the two baffles 42 are respectively arranged at the left side and the right side of the rotating block 44 and are both arranged in the inner cavity of the fixed rod 1; two connecting rods 41 are inserted into the inner cavity of the sound-absorbing board 6 so as to be movable in the left-right direction, and are fixedly connected to the shutter 42 at the left end thereof and are in contact with the slider 34 at the other end thereof, so that the locking state of the locking mechanism 3 can be released by the control mechanism 4.
Preferably, further, the fixing rod 1 is further provided with: the wrench 5 and the bolt 9, wherein the wrench 5 is fixedly arranged at the front end of the second rotating shaft 43; the staff operates control mechanism 4 through rotating wrench 5, and a plurality of bolt 9 runs through in dead lever 1 and bracing piece 10 along the fore-and-aft direction respectively to fix locking to horizontal bracing piece 10, consolidate dead lever 1.
Preferably, the top end and the bottom end of the transverse support rod 10 are respectively provided with a protrusion and a groove, and are in adaptive clamping connection with the top end and the bottom end of the sound-absorbing board 6, so that the sound-absorbing board 6 is reinforced.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
The railway noise reduction barrier is formed by assembling a plurality of single sound absorption boards 6, a fixed rod 1 and a transverse supporting rod 10, wherein the single structure of parts is small in size, and is convenient for road transportation and worker carrying, a main body is formed by combining the fixed rod 1, a support frame 2, the sound absorption boards 6 and the transverse supporting rod 10, firstly, a group of fixed rods 1, the support frame 2 and the transverse supporting rod 10 are fixedly installed by a worker through bolts 9, then, the worker can quickly install the sound absorption boards through clamping mechanisms 3 arranged on the left side and the right side of the sound absorption boards 6, locking installation can be automatically completed only by aligning the sound absorption boards 6 to concave holes on the fixed rod 1 to insert, when the sound absorption boards 6 are inserted into the concave holes on the fixed rod 1, firstly, the inner walls of the fixed rods 1 contacted by fixture blocks 32 are stressed and contracted into inner cavities of the sound absorption boards 6, and meanwhile, pressure is applied to torsion springs 31, when the sound-absorbing board 6 continues to move until the clamping block 32 moves to the groove at the top end of the concave hole of the fixing rod 1, the clamping block 32 enters the groove under the pushing action of the torsion spring 31, the sound-absorbing board 6 can be firmly fixed between the two fixing rods 1 by matching with the bulges and the grooves at the upper end and the lower end of the transverse supporting rod 10, if the sound-absorbing board 6 needs to be disassembled, the screw driver 5 at the front end of the fixing rod 1 only needs to be clockwise rotated by 90 degrees so as to drive the rotating block 44 to rotate, because the height of the rotating block 44 is larger than the width, the baffle plates 42 at the left side and the right side and the connecting rod 41 are pushed to move outwards after the rotation, when the connecting rod 41 contacts the sliding block 34, the sliding block 34 and the second rotating shaft 43 above the sliding block 34 are forced to move towards the right side along the horizontal direction, and when the outer wall of the second rotating shaft 43 contacts with the left inclined surface of the limiting block 33, the whole clamping block 32 and the limiting block 33 rotate around the central point of the torsion spring 31, make fixture block 32 withdraw again in the inner chamber of abatvoix 6, contact the locking state of abatvoix 6, because the upper and lower both ends of rotatory piece 44 all have the horizontal plane, can play the fixed support effect to the baffle 42 of both sides after the rotation, thereby make the staff break away from to screw the hand 5 and dismantle the work of spare part, dismantle slider 34 after accomplishing owing to do not have the support of connecting rod 41, make slider 34 playback under the impetus of spring 36, can the repeated installation use, also can change through the same reason if local damage, use cost and later maintenance's cost has greatly reduced, contact area to the sound source has been increaseed through sound absorption strip 7 and abatvoix 6, also improved staff's installation rate when noise reduction effect is showing, and work efficiency is improved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A railway noise reduction barrier, comprising:
the left side and the right side of the outer wall of each fixed rod (1) are provided with two concave holes;
the supporting frame (2) is fixedly arranged at the bottom end of the fixing rod (1);
the three transverse supporting rods (10) are detachably arranged between the two fixing rods (1) from top to bottom;
the two sound-absorbing plates (6) are detachably arranged between the two fixing rods (1) along the left-right direction and are clamped between the two transverse supporting rods (10) which are adjacent up and down;
the clamping mechanisms (3) are arranged at the left end and the right end of the sound-absorbing plate (6);
the control mechanism (4) is arranged in an inner cavity at the longitudinal center of the fixing rod (1).
2. A railway noise reduction barrier according to claim 1, wherein: the sound-absorbing plate (6) is also provided with:
the four sound absorption strips (7) are arranged on the outer wall of the front end of the sound absorption plate (6) at equal intervals from top to bottom along the left-right direction;
through-hole (8), a plurality of equidistance from a left side to the right side is seted up along the fore-and-aft direction on the outer wall of both sides around abatvoix (6), and be located adjacent two from top to bottom respectively inhale between sound strip (7).
3. A railway noise reduction barrier according to claim 1, wherein: the clamping mechanism (3) comprises:
the torsion spring (31), the torsion spring (31) is fixedly arranged on the top of the right side of the inner cavity of the sound-absorbing board (6) along the front-back direction;
the clamping block (32) is sleeved at the left end stress part of the torsion spring (31), and the top end of the clamping block (32) can rotate to the outside of the sound-absorbing board (6);
the limiting block (33), the limiting block (33) is fixedly arranged on the right side of the bottom end of the clamping block (32), and the outer wall of the left end of the limiting block is inclined;
a slide block (34), wherein the slide block (34) is arranged in the inner cavity of the sound-absorbing plate (6) and can move along the left-right direction;
the first rotating shaft (35) is arranged above the sliding block (34) along the front-back direction and can rotate around the axis of the first rotating shaft (35) and is positioned on the left side of the limiting block (33);
the right end of the telescopic rod (37) is fixedly arranged on the inner wall of the right side of the inner cavity of the sound absorption plate (6), and the left end of the telescopic rod (37) is telescopically connected to the right end of the sliding block (34);
the spring (36) is sleeved on the outer side of the outer wall of the telescopic rod (37).
4. A railway noise reduction barrier according to claim 3, wherein: the control mechanism (4) further comprises:
the second rotating shaft (43) is arranged in the middle of the inner cavity of the fixing rod (1) and can rotate around the axis of the second rotating shaft (43) along the front-back direction, and the front end of the second rotating shaft extends to the front side surface of the fixing rod (1);
the rotating block (44) is fixedly sleeved on the outer wall of the second rotating shaft (43), and the outer walls of the top end of the right side and the bottom end of the left side of the rotating block (44) have certain radians;
the two baffles (42) are respectively arranged at the left side and the right side of the rotating block (44) and are both arranged in the inner cavity of the fixed rod (1);
and the two connecting rods (41) can move along the left and right directions and are inserted into the inner cavity of the sound-absorbing plate (6), the left ends of the connecting rods (41) are fixedly connected to the baffle (42), and the other ends of the connecting rods (41) are in contact with the sliding block (34).
5. A railway noise reduction barrier according to claim 4, wherein: the outside of the fixed rod (1) is also provided with:
the wrench (5), the wrench (5) is fixedly installed at the front end of the second rotating shaft (43);
the bolts (9) penetrate through the fixing rod (1) and the supporting rod (10) respectively in the front-back direction, and the transverse supporting rod (10) is fixedly locked.
6. A railway noise reduction barrier according to claim 1, wherein: the top end and the bottom end of the transverse supporting rod (10) are respectively provided with a bulge and a groove, and are connected with the top end and the bottom end of the sound-absorbing board (6) in a matched and clamped mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020863607.3U CN213773024U (en) | 2020-05-21 | 2020-05-21 | Noise reduction barrier for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020863607.3U CN213773024U (en) | 2020-05-21 | 2020-05-21 | Noise reduction barrier for railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213773024U true CN213773024U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020863607.3U Expired - Fee Related CN213773024U (en) | 2020-05-21 | 2020-05-21 | Noise reduction barrier for railway |
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| Country | Link |
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| CN (1) | CN213773024U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774828A (en) * | 2021-09-24 | 2021-12-10 | 山东高速高新材料科技有限公司 | Totally enclosed type sound barrier |
| CN114086681A (en) * | 2021-10-27 | 2022-02-25 | 金螳螂精装科技（苏州）有限公司 | Installation design structure of indoor acoustic board |
-
2020
- 2020-05-21 CN CN202020863607.3U patent/CN213773024U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774828A (en) * | 2021-09-24 | 2021-12-10 | 山东高速高新材料科技有限公司 | Totally enclosed type sound barrier |
| CN114086681A (en) * | 2021-10-27 | 2022-02-25 | 金螳螂精装科技（苏州）有限公司 | Installation design structure of indoor acoustic board |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |