CN217419387U

CN217419387U - Novel exempt from pre-buried sound barrier column base connected node

Info

Publication number: CN217419387U
Application number: CN202220910645.9U
Authority: CN
Inventors: 赵东卓; 李�浩; 汪大洋; 周云
Original assignee: Guangzhou University
Current assignee: Guangzhou University
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-13
Anticipated expiration: 2032-04-19

Abstract

The utility model belongs to the technical field of civil engineering technique and specifically relates to a novel exempt from pre-buried sound barrier column base connected node is related to, be in including subbase and setting the stand at subbase top, can dismantle on the stand to be connected with be used for right the subbase carries out the centre gripping subassembly of centre gripping. The technical scheme of the utility model pass through the continuous extrusion stand of centre gripping subassembly and subbase, produce the clamp force to stand and subbase, make stand and subbase form a whole, thereby realize the fixed of stand, need not pre-buried steel sheet in the subbase, pre-buried steel sheet easily causes the problem of ground fatigue damage when having solved current column mouting, and can dismantle between stand and the centre gripping subassembly and be connected, the loading and unloading are convenient, the efficiency of construction is improved, construction period is greatly shortened, construction cost is reduced, the maintenance degree of difficulty of sound barrier has been reduced simultaneously, be favorable to the later stage maintenance of sound barrier.

Description

Novel exempt from pre-buried sound barrier column base connected node

Technical Field

The utility model belongs to the technical field of civil engineering technique and specifically relates to a novel exempt from pre-buried sound barrier column base connected node.

Background

With the rapid development of traffic construction in China, a large number of highway and urban rail transit facilities are built, great convenience is brought to people going out, and the development of regional economy is promoted.

The sound barrier is a wall-type structure arranged beside a railway and a highway for reducing the influence of driving noise on nearby residents, and a sound barrier is inserted between a sound source and a receiver to ensure that sound wave propagation has obvious additional attenuation, so that the noise influence in a certain area of the receiver is weakened, and the sound barrier is mainly used for sound insulation and noise reduction of the highway, the expressway, an overhead composite road and other noise sources.

The sound barrier is mainly by the stand and inhale the sound insulation screen board, it is main sound insulation sound absorption component to inhale the sound insulation screen board, fix it in the stand, form the sound barrier, and the stand is the main atress component of sound barrier, during column mouting, it is pre-buried steel sheet in the subbase on road anticollision wall or track limit usually, then adopt bolt or welded mode to fix the stand on pre-buried steel sheet, however, pre-buried steel sheet can make the subbase cause fatigue damage under the loading effect in the subbase, influence the stability of sound barrier, harm people's safety even, and still can make the inconvenient dismantlement of stand, be unfavorable for sound barrier later maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel exempt from pre-buried sound barrier column base connected node, pre-buried steel sheet easily caused ground fatigue damage's problem when this connected node has solved current column mouting, need not to bury the steel sheet underground in the subbase, has improved the efficiency of construction, has shortened construction period greatly, has reduced construction cost, and loading and unloading are convenient, are favorable to the later stage maintenance of sound barrier.

The utility model provides a novel exempt from pre-buried sound barrier column base connected node, be in including subbase and setting the stand at subbase top, it is right to dismantle to be connected with on the stand the subbase carries out the centre gripping subassembly of centre gripping.

Further, the centre gripping subassembly includes two positioning fixture, two positioning fixture is located respectively the stand is relative both sides and with the stand can be dismantled and be connected, the subbase is located two between the positioning fixture.

Furthermore, the positioning fixture comprises a connecting plate which is horizontally arranged, one side of the connecting plate, which is close to the upright post, is provided with a first clamping plate which is vertically arranged, and the first clamping plate is detachably connected with the upright post through a connecting piece;

the connecting plate is kept away from one side of stand is connected with second splint, second splint from top to bottom orientation the subbase slope sets up, second splint are close to one side of subbase with the subbase butt.

Further, the connecting piece includes the bolt, two all be equipped with on the first splint with the first screw of bolt looks adaptation, on the stand with the position department that first screw corresponds be equipped with the second screw of bolt looks adaptation, the bolt passes first screw with the second screw, the equal threaded connection in both ends of bolt has the nut.

Further, a first elastic layer is arranged between the first clamping plate and the upright post.

Further, a second elastic layer is arranged between the second clamping plate and the base.

Further, the first elastic layer and the second elastic layer are both made of rubber.

Furthermore, an adhesive layer is arranged on one side, close to the subbase, of the second elastic layer, and the second elastic layer is connected with the subbase through the adhesive layer.

Further, the foundation is formed by pouring concrete.

Further, the upright columns are H-shaped steel columns.

The utility model has the advantages that:

the technical scheme of the utility model pass through the continuous extrusion stand of centre gripping subassembly and subbase, produce the clamp force to stand and subbase, make stand and subbase form a whole, thereby realize the fixed of stand, need not pre-buried steel sheet in the subbase, pre-buried steel sheet easily causes the problem of ground fatigue damage when having solved current column mouting, and can dismantle between stand and the centre gripping subassembly and be connected, loading and unloading are convenient, the efficiency of construction is improved, construction period is greatly shortened, construction cost is reduced, the maintenance degree of difficulty of sound barrier has been reduced simultaneously, be favorable to the later stage maintenance of sound barrier.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an explosion diagram of a novel pre-buried sound barrier column base connection node in embodiment 1 of the present invention;

fig. 2 is a front view of a novel pre-buried sound barrier column base connected node is exempted from in embodiment 1 of the present invention.

Description of reference numerals:

1-upright post, 2-base, 3-first clamping plate, 4-connecting plate, 5-second clamping plate, 6-first elastic layer, 7-first screw hole, 8-second screw hole, 9-bolt, 10-nut, 11-second elastic layer and 12-adhesive layer.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in figures 1 and 2, the novel pre-buried sound barrier-free column base connecting node comprises a base 2 and a column 1 arranged at the top of the base 2, wherein the base 2 is formed by pouring concrete, the column 1 is an H-shaped steel column, two opposite sides of the column 1 are connected with positioning clamps through bolts 9, each positioning clamp comprises a horizontally arranged connecting plate 4, one side, close to the column 1, of each connecting plate 4 is provided with a vertically arranged first clamping plate 3, the first clamping plates 3 at two sides of the column 1 are respectively provided with a first screw hole 7 matched with the bolt 9, a second screw hole 8 matched with the bolt 9 is arranged at a position, corresponding to the first screw hole 7, on the column 1, the bolt 9 sequentially passes through the first screw holes 7, the second screw holes 8 and the first screw holes 7, two ends of the bolt 9 are respectively in threaded connection with nuts 10, one side, far away from the column 1, of the connecting plate 4 is connected with a second clamping plate 5, second splint 5 sets up towards the slope of subbase 2 from top to bottom, one side and the subbase 2 butt that second splint 5 is close to subbase 2, be equipped with first elastic layer 6 between first splint 3 and the stand 1, be equipped with second elastic layer 11 between second splint 5 and the subbase 2, first elastic layer 6 and second elastic layer 11 are made by rubber, one side that second elastic layer 11 is close to subbase 2 is equipped with adhesive layer 12, second elastic layer 11 passes through adhesive layer 12 and is connected with subbase 2, in this embodiment, adhesive layer 12 is glued for the structure.

During installation, a first screw hole 7 is processed on a first clamping plate 3 of a positioning clamp, a second screw hole 8 is processed on an upright post 1, the processed upright post 1 is placed at the top of a base 2, the positioning clamp is placed at two sides of the upright post 1, the first screw hole 7 on the positioning clamp is aligned to the second screw hole 8 on the upright post 1, then a bolt 9 sequentially passes through the first screw hole 7, the second screw hole 8 and the first screw hole 7, a first elastic layer 6 is placed between the first clamping plate 3 and the upright post 1, a second elastic layer 11 is placed between the second clamping plate 5 and the base 2, structural glue is coated at one side of the second elastic layer 11 close to the base 2, the second elastic layer 11 is fixed on the base 2 through the structural glue, finally, nuts 10 are installed at two ends of the bolt 9, the nuts 10 are continuously rotated, and the nuts 10 at two ends of the bolt 9 are relatively moved, providing pretightening force for positioning fixtures on two sides of the upright post 1 to push the positioning fixtures on the two sides of the upright post 1 to do relative motion, wherein at the moment, the first elastic layer 4 and the second elastic layer 11 are continuously contracted under the extrusion of the positioning fixtures on the two sides of the upright post 1, so that the positioning fixtures on the two sides of the upright post 1 continuously generate clamping force on the upright post 1 and the base 2, and the upright post 1 and the base 2 form a whole to realize the fixation of the upright post 1; when the upright column is disassembled, the nuts 10 at the two ends of the bolt 9 are rotated reversely, so that the nuts 10 at the two ends of the bolt 9 move oppositely, the clamping force of the positioning clamps at the two sides of the upright column 1 on the upright column 1 and the base 2 is relieved, and the upright column 1 can be disassembled from the base 2.

The upright post 1 is connected with the base 2 through the positioning fixture, a steel plate does not need to be pre-embedded in the base 2, the problem that the existing upright post is easy to cause fatigue damage of a foundation when being installed is solved, the upright post 1 is connected with the positioning fixture through the bolt 9, the assembly and the disassembly are convenient, the construction efficiency is improved, the construction period is greatly shortened, the construction cost is reduced, the maintenance difficulty of the sound barrier is reduced, and the later maintenance of the sound barrier is facilitated, in addition, the elastic layers are arranged between the first clamping plate 3 and the upright post 1 and between the second clamping plate 5 and the base 2, the sliding friction effect between the positioning fixture and the upright post 1 and between the positioning fixture 2 can be increased, when the upright post 1 and the base 2 are influenced by external force and have relative sliding trend between the positioning fixture and the positioning fixture, the elastic layers can increase the friction force between the positioning fixture and the upright post 1 and the base 2, the upright post 1 and the base 2 are limited, the upright post 1 and the base 2 are equivalent to the movement of the positioning fixture, thereby reinforcing overall structure's anti-drawing ability, and the elastic layer can produce great deformation under the exogenic action, place it between positioning fixture and stand 1 and subbase 2, can compensate installation error, thereby reinforcing overall structure's stability, and simultaneously, second splint 5 from top to bottom sets up towards subbase 2 slope, thereby make and realize the friction auto-lock state between second splint 5 and the second elastic layer 11, even receive the pulling force of bigger again and also can not take place the displacement, and be connected through the structure is glued between second elastic layer 11 and the subbase 2, can further increase the frictional force between second elastic layer 11 and the subbase 2, avoid second elastic layer 11 to take place to slide, improve overall structure's stability.

The working principle is as follows: during installation, a first screw hole 7 is processed on a first clamping plate 3 of a positioning clamp, a second screw hole 8 is processed on an upright post 1, the processed upright post 1 is placed at the top of a base 2, the positioning clamp is placed at two sides of the upright post 1, the first screw hole 7 on the positioning clamp is aligned to the second screw hole 8 on the upright post 1, then a bolt 9 sequentially passes through the first screw hole 7, the second screw hole 8 and the first screw hole 7, a first elastic layer 6 is placed between the first clamping plate 3 and the upright post 1, a second elastic layer 11 is placed between the second clamping plate 5 and the base 2, structural glue is coated at one side of the second elastic layer 11 close to the base 2, the second elastic layer 11 is fixed on the base 2 through the structural glue, finally, nuts 10 are installed at two ends of the bolt 9, the nuts 10 are continuously rotated, and the nuts 10 at two ends of the bolt 9 are relatively moved, providing pretightening force for positioning fixtures on two sides of the upright post 1 to push the positioning fixtures on the two sides of the upright post 1 to do relative motion, wherein at the moment, the first elastic layer 4 and the second elastic layer 11 are continuously contracted under the extrusion of the positioning fixtures on the two sides of the upright post 1, so that the positioning fixtures on the two sides of the upright post 1 continuously generate clamping force on the upright post 1 and the base 2, and the upright post 1 and the base 2 form a whole to realize the fixation of the upright post 1;

when the column is disassembled, the nuts 10 at the two ends of the bolt 9 are rotated reversely, so that the nuts 10 at the two ends of the bolt 9 move oppositely, the clamping force of the positioning clamps at the two sides of the column 1 on the column 1 and the subbase 2 is relieved, and the column 1 can be disassembled from the subbase 2.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The novel pre-buried-free sound barrier column base connecting node is characterized by comprising a base and a column arranged at the top of the base, wherein a clamping assembly used for clamping the base is detachably connected to the column;

the clamping assembly comprises two positioning clamps, the two positioning clamps are respectively positioned at two opposite sides of the upright post, and the base is positioned between the two positioning clamps;

the positioning fixture comprises a connecting plate which is horizontally arranged, a first clamping plate which is vertically arranged is arranged on one side, close to the upright post, of the connecting plate, and the first clamping plate is detachably connected with the upright post through a connecting piece;

2. The novel embedded sound barrier column base connected node of exempting from of claim 1, characterized in that, the connecting piece includes the bolt, two all be equipped with on the first splint with the first screw of bolt looks adaptation, the position department that corresponds with first screw on the stand is equipped with the second screw of bolt looks adaptation, the bolt passes first screw with the second screw, the equal threaded connection in both ends of bolt has the nut.

3. The novel embedded-free sound barrier column base connecting node as claimed in claim 1, wherein a first elastic layer is arranged between the first clamping plate and the upright column.

4. The novel embedded-free sound barrier column base connecting node as claimed in claim 3, wherein a second elastic layer is arranged between the second clamping plate and the base.

5. The novel embedded-free sound barrier column base connecting node as claimed in claim 4, wherein the first elastic layer and the second elastic layer are made of rubber.

6. The novel embedded-free sound barrier column base connecting node as claimed in claim 4, wherein an adhesive layer is arranged on one side, close to the base, of the second elastic layer, and the second elastic layer is connected with the base through the adhesive layer.

7. The novel embedded-free sound barrier column base connecting node as claimed in claim 1, wherein the subbase is formed by pouring concrete.

8. The novel embedded-free sound barrier column base connecting node as claimed in claim 1, wherein the columns are H-shaped steel columns.