CN210712605U - Protective sound barrier combined with transition section of rail transit tunnel portal - Google Patents
Protective sound barrier combined with transition section of rail transit tunnel portal Download PDFInfo
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- CN210712605U CN210712605U CN201921531033.3U CN201921531033U CN210712605U CN 210712605 U CN210712605 U CN 210712605U CN 201921531033 U CN201921531033 U CN 201921531033U CN 210712605 U CN210712605 U CN 210712605U
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Abstract
The utility model provides a rail transit entrance to a cave changeover portion combines protection type sound barrier. The transition section of the rail transit tunnel portal is combined with a protective sound barrier in the following structure: including skeleton and auxiliary assembly, the skeleton is including door type frame and purlin, purlin and door type frame fixed connection to form the skeleton that has certain bearing capacity, auxiliary assembly is including protection network and sound barrier. The utility model discloses a closed structural design has set up the sound barrier that has sound absorption sound insulation function on the skeleton, and it has satisfied the demand of making an uproar of falling of train discrepancy entrance to a cave section. The top hollow part of the framework is provided with a protective net to form a closed structure, so that the safety protection of the opening section is enhanced. Because the protective net adopts a net structure and has higher permeability, the closed protective type sound barrier is formed without additionally arranging a ventilation and smoke exhaust device and a lighting device, and the protective requirements of the train entrance and exit section and the vehicle running requirements can be met.
Description
Technical Field
The utility model relates to a rail transit protective apparatus technical field, more specifically say, in particular to rail transit entrance to a cave changeover portion combines protection type sound screen.
Background
In recent years, urban rail transit is rapidly developed, for a line laying mode, underground lines are generally adopted in urban centers, and overhead lines or ground lines are mostly adopted in suburbs or in-out vehicle section lines. The underground line and the ground line are in transition connection by adopting a hole transition section.
The hole transition section is formed into a U-shaped groove open structure by a concrete baffle, and the concrete baffle forming the U-shaped groove is about 1 meter higher than the ground.
When the entrance to a cave changeover portion is arranged on the road or close to a building unavoidably, social vehicles, pedestrians and building personnel on the road are close to the entrance to a cave changeover portion, so that certain potential safety hazards exist for the running of trains entering and exiting the entrance to the cave, such as illegal personnel entering, falling objects, throwing objects and the like. However, in the prior art, no protection measures are provided for the transition section of the hole.
In addition, the entrance to a cave changeover portion is open structure U type groove, and its open structure can't realize making an uproar, and the vehicle that traveles is when passing in and out the entrance to a cave changeover portion, and it can bring noise influence to the surrounding environment.
SUMMERY OF THE UTILITY MODEL
In summary, how to solve the problems that the train running safety is low and running vehicles are easy to cause noise pollution and the like due to the fact that the tunnel portal transition section is of an open structure in the prior art becomes a problem to be solved urgently by technical staff in the field.
In order to realize the above-mentioned purpose, the utility model provides a rail transit entrance to a cave changeover portion combines protection type sound barrier, and this rail transit entrance to a cave changeover portion combines protection type sound barrier includes: the framework with bearing capacity comprises door-shaped frames and purlines, wherein the door-shaped frames are arranged at intervals along the extending direction of the transition section of the rail transit portal, and the purlines are connected with the door-shaped frames to form the framework with bearing capacity; auxiliary assembly, auxiliary assembly is including being used for discharging fume, light-permeable and carry out the protection network that blocks and have the sound absorption noise reduction function's sound barrier to the high altitude junk, the sound barrier sets up the both sides at the skeleton, the protection network set up in the top of skeleton, the protection network with the sound barrier is connected.
Preferably, the portal frame comprises an upright section, a top section and a transition arc section, wherein the upright section is used for being connected with a concrete baffle plate of the transition section of the rail transit portal, and the transition arc section is arranged between the upright section and the top section; the sound barrier set up in the skeleton texture by upright section with on the side that the transition segmental arc constitutes, the protection network set up in the skeleton texture by on the side that the top section constitutes.
Preferably, the purlins are connected with the top section of the portal frame; the sound barrier is assembled between two adjacent door type frames.
Preferably, the door-shaped frame is an H-shaped steel door-shaped frame, and the door-shaped frame is of an assembled structure.
Preferably, the interval between two adjacent door-shaped frames is between 1.8 and 2.2 m; the purlins are arranged on the transition arc-shaped section of the door-shaped frame, the purlins are arranged at intervals in the direction perpendicular to the transition extending direction of the rail transit portal, and the interval between every two adjacent purlins is 0.8-1.2 m.
Preferably, the top section is an arcuate section.
Preferably, the protective net is a stainless steel wire net.
Compared with the prior art, the method has the following beneficial effects:
the utility model provides a rail transit entrance to a cave changeover portion combines protection type sound barrier. The transition section of the rail transit tunnel portal is combined with a protective sound barrier in the following structure: the framework comprises a door-shaped framework and purlines, wherein the purlines are fixedly connected with the door-shaped framework, so that the framework with certain bearing capacity is formed. The auxiliary fittings comprise a protective net and a sound barrier. The utility model discloses a closed structural design has set up the sound barrier that has sound absorption sound insulation function on the skeleton, and it has satisfied the demand of making an uproar of falling of train discrepancy entrance to a cave section. The top hollow part of the framework is provided with a protective net to form a closed structure, so that the safety protection of the opening section is enhanced. Because the protective net adopts a net structure and has higher permeability, the closed protective type sound barrier is formed without additionally arranging a ventilation and smoke exhaust device and a lighting device, and the protective requirements of the train entrance and exit section and the vehicle running requirements can be met.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural view of a transition section of a rail transit tunnel entrance combined with a protective sound barrier according to an embodiment of the present invention;
description of reference numerals:
the sound barrier comprises a door-shaped frame 1, purlins 2, a protective net 3 and a sound barrier 4.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a transition section of a rail transit tunnel entrance combined with a protective sound barrier according to an embodiment of the present invention.
In the prior art, the transition section of the rail transit entrance to the cave is composed of concrete baffles which are arranged on two sides of a road and are arranged at a height of about 1M, and the transition section of the rail transit entrance to the cave in the structural form cannot block intruded personnel or animals and high-altitude falling objects due to the open structure, and further has no function of noise reduction.
Based on current structure, the utility model discloses set up the skeleton on constituting the concrete baffle on the track traffic entrance to a cave changeover portion, the preferential metal section that adopts of skeleton constitutes, can make the skeleton have higher bearing capacity like this, for example the ability that anti high altitude junk was strikeed.
Specifically, the framework is erected on a concrete baffle plate forming a transition section of a rail transit portal. The skeleton adopts and inverts U type structure, the skeleton back-off is on the concrete baffle of track traffic entrance to a cave changeover portion, sound barrier 4 has been set up in the both sides of skeleton, protective screen 3 has been set up at the top of skeleton, sound barrier 4 inhales sound insulation plate structure for the metal, it sets up the both sides at the skeleton, can enough form the structure of making an uproar falls in the sound absorption, can play the function of blocking pedestrian or animal again, set up protection network 3 at the top, protective screen 3 can effectively block high altitude junk, because protection network 3 adopts network structure, it can accelerate the air current exchange, solve the inside smoke exhaust problem of tunnel (the tunnel structure that the track traffic entrance to a cave changeover portion combination protection type sound barrier formed by track traffic entrance to a cave changeover portion protection method founds), and simultaneously, protection network 3 can also pass light, the inside daylighting problem of tunnel has been. That is to say: a framework with bearing capacity is arranged at the transition section of the rail transit tunnel portal, sound barriers 4 with noise reduction function are arranged on two sides of the framework, and a protective net 3 connected with the sound barriers 4 is arranged at the top of the framework; the sound barrier 4 absorbs sound and reduces noise, and the protective net 3 blocks high-altitude falling objects.
The utility model provides a track traffic entrance to a cave changeover portion combines protection type sound barrier, this track traffic entrance to a cave changeover portion combines protection type sound barrier to include skeleton and auxiliary fitting, and wherein, the skeleton is including door type frame 1 and purlin 2.
The extending direction of the transition section of the rail transit portal is set to be the X-axis direction, and the extending direction perpendicular to the transition section of the rail transit portal is set to be the Y-axis direction. The door-shaped frames 1 are arranged at intervals along the extending direction (in the X-axis direction) of the transition of the rail traffic portal, the purlines 2 are arranged at the tops of the door-shaped frames 1 along the extending direction (in the Y-axis direction) perpendicular to the extending direction of the transition section of the rail traffic portal, the purlines 2 are fixedly connected with the door-shaped frames 1, the purlines 2 and the door-shaped frames 1 form a criss-cross structural form, and then the bottoms of the door-shaped frames 1 are fixedly arranged on the concrete baffle of the transition section of the rail traffic portal, so that the framework can be stably and firmly arranged on the concrete baffle.
The auxiliary assembly is used for setting up to the skeleton, and specifically, the auxiliary assembly is including protection network 3 and sound barrier 4, and sound barrier 4 sets up in the both sides of skeleton, and protection network 3 sets up in the top of skeleton, and protection network 3 is connected with sound barrier 4.
The utility model discloses in, door type frame 1's concrete form is the U type structure of inversion, is the arch promptly, and door type frame 1 is including the section of standing vertically, the top segment that is used for being connected with the concrete baffle of track traffic entrance to a cave changeover portion and set up the changeover arc section between section of standing vertically and the top segment. The top section is an arc section.
Specifically, the door-shaped frame 1 is an H-shaped steel door-shaped frame 1, and the door-shaped frame 1 is of an assembled structure. The purline 2 is arranged on the door-shaped frame 1, and particularly means that the purline 2 is connected with the top section of the door-shaped frame 1.
Specifically, the interval between two adjacent gate-type frames 1 is between 1.8 and 2.2 m; purlins 2 are arranged on the top section of the door-shaped frame 1, the purlins 2 are arranged at intervals along the direction perpendicular to the transition extending direction of the rail transit portal, and the interval between every two adjacent purlins 2 is 0.8-1.2 m.
The sound barrier 4 and the protective net 3 are arranged on the framework, the sound barrier 4 is arranged on the side face, formed by the vertical section and the transition arc section, of the framework structure, and the protective net 3 is arranged on the side face, formed by the top section, of the framework structure.
The gate-shaped frames 1 are arranged at equal intervals along the extending direction (X axis) of the transition section of the rail transit entrance, and on the basis, a sound barrier 4 is arranged between two adjacent gate-shaped frames 1.
Specifically, the protective net 3 is a stainless steel wire mesh with phi 4-30 × 30 (unit is mm).
The utility model provides a rail transit entrance to a cave changeover portion combines protection type sound barrier. The utility model discloses an in the embodiment, this track traffic entrance to a cave changeover portion combines structure of protection type sound barrier as follows: including skeleton and auxiliary assembly, the skeleton is including door type frame 1 and purlin 2, purlin 2 and door type frame 1 fixed connection to form the skeleton that has certain bearing capacity. The auxiliary fittings comprise a protective net 3 and a sound barrier 4. The portal frame 1 is made of H-shaped steel, the top of the portal frame 1 is of an arch structure, and the portal frame 1 is arranged on a concrete baffle at the portal transition section at intervals of 2m along the extension direction (namely longitudinal direction) of the track traffic portal transition. The purlines 2 are arranged at intervals of 1m by adopting groove-shaped steel, and the purlines 2 are longitudinally and fixedly arranged between the two door-shaped frames 1. The sound barrier 4 is installed on the upright section and the transition arc section on both sides of the door-shaped frame 1, thereby forming a two-side full sound absorption type semi-closed sound barrier 4. The top of the door-shaped frame 1 is provided with a protective net 3, the protective net 3 is a stainless steel wire mesh with the diameter of 4-30 multiplied by 30, the protective net 3 is arranged at the hollow part of the top of the door-shaped frame 1, and the protective net and the sound barrier 4 seal the framework to form a totally-closed protective structure.
The utility model discloses a closed structural design has set up sound barrier 4 with sound absorption sound insulation function on the skeleton, and it has satisfied the demand of making an uproar of falling of train discrepancy entrance to a cave section. The top hollow part of the framework is provided with a protective net 3 to form a closed structure, so that the safety protection of the opening section is enhanced. Because the protective net 3 adopts a net structure and has higher permeability, the closed protective type sound barrier 4 is formed without additionally arranging a ventilation and smoke exhaust device and a lighting device, and the protective requirements of the train entrance and exit section and the vehicle running requirements can be met.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a rail transit entrance to a cave changeover portion combines protection type sound barrier which characterized in that includes:
the framework with bearing capacity comprises door-shaped frames (1) and purlines (2), wherein the door-shaped frames are arranged at intervals along the extending direction of a transition section of a rail transit entrance, and the purlines are connected with the door-shaped frames to form the framework with bearing capacity;
auxiliary assembly, auxiliary assembly is including being used for discharging fume, light-permeable and carry out protection network (3) that block and sound absorption noise reduction function's sound barrier (4) to high altitude junk, the sound barrier sets up the both sides at the skeleton, the protection network set up in the top of skeleton, the protection network with the sound barrier is connected.
2. The rail transit portal transition section in combination with the protective sound barrier of claim 1,
the portal frame comprises an upright section, a top section and a transition arc section, wherein the upright section is used for being connected with a concrete baffle of a transition section of the rail transit portal, and the transition arc section is arranged between the upright section and the top section;
the sound barrier set up in the skeleton texture by upright section with on the side that the transition segmental arc constitutes, the protection network set up in the skeleton texture by on the side that the top section constitutes.
3. The rail transit portal transition section in combination with the protective sound barrier of claim 1,
the purline is connected with the top section of the door-shaped frame;
the sound barrier and the protective net are assembled between two adjacent door type frames.
4. The rail transit tunnel portal transition section in combination with the protective sound barrier of any one of claims 1 to 3,
the door-shaped frame is an H-shaped steel door-shaped frame, and the door-shaped frame is of an assembled structure.
5. The rail transit portal transition section in combination with the protective sound barrier of claim 4,
the interval between two adjacent door type frames is between 1.8 and 2.2 m;
the purlins are arranged on the transition arc-shaped section of the door-shaped frame, the purlins are arranged at intervals in the direction perpendicular to the transition extending direction of the rail transit portal, and the interval between every two adjacent purlins is 0.8-1.2 m.
6. The rail transit portal transition section in combination with the protective sound barrier of claim 2,
the top section is an arc section.
7. The rail transit portal transition section in combination with the protective sound barrier of claim 1,
the protective net is a stainless steel wire mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921531033.3U CN210712605U (en) | 2019-09-12 | 2019-09-12 | Protective sound barrier combined with transition section of rail transit tunnel portal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921531033.3U CN210712605U (en) | 2019-09-12 | 2019-09-12 | Protective sound barrier combined with transition section of rail transit tunnel portal |
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| Publication Number | Publication Date |
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| CN210712605U true CN210712605U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921531033.3U Active CN210712605U (en) | 2019-09-12 | 2019-09-12 | Protective sound barrier combined with transition section of rail transit tunnel portal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468753A (en) * | 2019-09-12 | 2019-11-19 | 广州地铁设计研究院股份有限公司 | Rail traffic hole changeover portion means of defence and combinative prevention type sound barrier |
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2019
- 2019-09-12 CN CN201921531033.3U patent/CN210712605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468753A (en) * | 2019-09-12 | 2019-11-19 | 广州地铁设计研究院股份有限公司 | Rail traffic hole changeover portion means of defence and combinative prevention type sound barrier |
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