CN215800736U

CN215800736U - Splicing structure for new and old roadbed reconstruction and extension project face

Info

Publication number: CN215800736U
Application number: CN202122107729.7U
Authority: CN
Inventors: 金哲彪; 熊士祥; 宋东恒; 曾嘉文; 罗杉艳; 李定国
Original assignee: Shao Yang Road & Bridge Construction Co ltd
Current assignee: Shao Yang Road & Bridge Construction Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-11
Anticipated expiration: 2031-09-02

Abstract

The utility model relates to the technical field of road construction, and discloses a splicing structure of a new and old road bed reconstruction and extension engineering surface, which comprises a road bed, wherein a bolt is arranged in the road bed, a first fixing plate is arranged in the road bed, a clamping block is arranged in the first fixing plate, a spring is arranged in the first fixing plate, a second fixing plate is arranged in the road bed, the inner wall of the road bed is connected with the outer wall of the second fixing plate, the inner wall of the road bed is connected with the outer wall of the first fixing plate, the inner wall of the first fixing plate is connected with one end of the spring, one end of the spring is connected with the outer wall of the clamping block, the outer wall of the clamping block is connected with the inner wall of the first fixing plate, the clamping block is clamped into the clamping groove under the action of the spring by arranging the road bed, the bolt, the clamping block, the spring, the clamping groove, the first fixing plate and the second fixing plate, the fixing effect is better, and the purpose of firmer splicing surface is achieved.

Description

Splicing structure for new and old roadbed reconstruction and extension project face

Technical Field

The utility model relates to the technical field of road construction, in particular to a splicing structure for a new and old roadbed reconstruction and extension project face.

Background

Along with the rapid development of Chinese economy and the rapid increase of traffic volume, the number of highway transportation requirements in China is increased year by year, the traffic flow of some existing highways is saturated, widening and modification are urgently needed to improve the traffic capacity of the highways, and the rapid development requirements of modern economy are further met, however, through vehicle loads for many years, the settlement deformation of original roadbeds of the highways reaches a stable state, and the roadbed fillers of widened parts can also generate compression deformation and settlement deformation, so that the strength difference between new and old roadbeds is different to generate differential settlement, and further the pavement structure at the joint part of the new and old roadbeds is seriously longitudinally cracked and separated; at present, only the pavement materials are repaired and poured during splicing, so that the supporting force of the pavement is insufficient; therefore, a splicing structure for a new and old roadbed reconstruction and extension project surface is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a splicing structure for a new and old roadbed reconstruction and extension project face, and the purpose of solving the problems in the background technology is achieved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a new and old road bed rebuilds extension engineering face mosaic structure, includes the road bed, be equipped with the bolt in the road bed, be equipped with first fixed plate in the road bed, the inside of first fixed plate is provided with the fixture block, the inside of first fixed plate is equipped with the spring, be provided with the second fixed plate in the road bed.

Preferably, the inner wall of the roadbed is connected with the outer wall of the second fixing plate, the inner wall of the roadbed is connected with the outer wall of the first fixing plate, and the inner wall of the first fixing plate is connected with one end of the spring, so that the first fixing plate can provide supporting force for the spring.

Preferably, one end of the spring is connected with the outer wall of the clamping block, the outer wall of the clamping block is connected with the inner wall of the first fixing plate, one end of the clamping block penetrates through the inner wall of the first fixing plate and extends to the outside of the first fixing plate, and therefore the clamping block can limit the plug pin.

Preferably, the inner wall of first fixed plate and the outer wall connection of bolt, the one end of bolt runs through the outer wall of first fixed plate and extends to the outside of first fixed plate, the outer wall of bolt and the inner wall connection of second fixed plate, the one end of bolt runs through the outer wall of second fixed plate and extends to the outside of second fixed plate for the bolt can carry on spacingly to first fixed plate, second fixed plate.

Preferably, the outer wall of bolt and the inner wall connection of ground, the draw-in groove has been seted up to the surface of bolt, the inner wall of draw-in groove and the outer wall connection of fixture block, the draw-in groove is the same with length, the width homogeneous phase of fixture block, the protruding setting in top of bolt for the fixture block can be gone into in the draw-in groove.

Preferably, the outer wall of the second fixing plate is connected with the bottom of the stone layer, the sand layer is filled in the stone layer, and the top of the stone layer is connected with the bottom of the sand layer, so that the sand layer can fill the gap in the stone layer.

Preferably, the top of sandy soil layer is connected with the bottom of concrete layer, the top of concrete layer is connected with the bottom on pitch layer, stone layer, sandy soil layer, concrete layer, pitch layer all are connected with the road bed.

The utility model provides a splicing structure for a new and old roadbed reconstruction and extension project face. The method has the following beneficial effects:

(1) according to the utility model, the roadbed, the bolt, the fixture block, the spring, the clamping groove, the first fixing plate and the second fixing plate are arranged, the clamping groove is formed in the outer surface of the bolt, and when the bolt is driven into the first fixing plate through the hammer, the fixture block is clamped into the clamping groove under the action of the spring, so that the fixing effect is better, and the purpose of firmer splicing surface is achieved.

(2) The asphalt layer, the concrete layer, the sand layer and the stone layer are arranged, the sand layer is arranged, so that the concrete layer is firmer in the laying process, gaps among the stone layers are filled, the pavement can obtain enough supporting force, and the stone layer is arranged so that the foundation can obtain enough supporting force, so that the service life of the pavement is prolonged.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a block diagram of the latch of the present invention;

fig. 4 is an enlarged view of the present invention a.

In the figure: 1 roadbed, 2 bolts, 3 fixture blocks, 4 springs, 5 draw-in grooves, 6 first fixed plates, 7 second fixed plates, 8 asphalt layers, 9 concrete layers, 10 sand soil layers and 11 stone layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, the present invention provides a technical solution: a splicing structure for a new and old roadbed reconstruction and extension project comprises a roadbed 1, wherein a bolt 2 is arranged in the roadbed 1, a first fixing plate 6 is arranged in the roadbed 1, a clamping block 3 is arranged in the first fixing plate 6, a spring 4 is arranged in the first fixing plate 6, a second fixing plate 7 is arranged in the roadbed 1, the inner wall of the roadbed 1 is fixedly connected with the outer wall of the second fixing plate 7, the inner wall of the roadbed 1 is fixedly connected with the outer wall of the first fixing plate 6, the inner wall of the first fixing plate 6 is fixedly connected with one end of the spring 4, one end of the spring 4 is fixedly connected with the outer wall of the clamping block 3, the outer wall of the clamping block 3 is slidably connected with the inner wall of the first fixing plate 6, one end of the clamping block 3 penetrates through the inner wall of the first fixing plate 6 and extends to the outside of the first fixing plate 6, the inner wall of the first fixing plate 6 is slidably connected with the outer wall of the bolt 2, one end of the bolt 2 penetrates through the outer wall of the first fixing plate 6 and extends to the outside of the first fixing plate 6, the outer wall of the bolt 2 is in sliding connection with the inner wall of the second fixing plate 7, one end of the bolt 2 penetrates through the outer wall of the second fixing plate 7 and extends to the outside of the second fixing plate 7, the outer wall of the bolt 2 is in sliding connection with the inner wall of the foundation 1, the outer surface of the bolt 2 is provided with the clamping groove 5, the inner wall of the clamping groove 5 is in sliding connection with the outer wall of the clamping block 3, the length and the width of the clamping groove 5 are the same as those of the clamping block 3, and the top of the bolt 2 is convexly arranged, so that the bolt 2 does not have large bulges after being nailed into the roadbed 1 to influence the running of a vehicle, through the arrangement of the roadbed 1, the bolt 2, the clamping block 3, the spring 4, the clamping groove 5, the first fixing plate 6 and the second fixing plate 7, supporting force is provided for fillers through the second fixing plate 7 to prevent sinking, the first fixing plate 6 covers the uppermost surface, so that the stress of the road surface can be uniform when the vehicle passes through, and through the bolt 2 can evenly apply force to the first fixing plate 6, Second fixed plate 7 is spacing, through set up draw-in groove 5 at 2 surfaces of bolt, when driving bolt 2 into first fixed plate 6 through the hammer, make 3 card of fixture block go into draw-in groove 5 under the effect of spring 4 for fixed effect is better, has reached and has made the concatenation face more firm purpose.

The outer wall of the second fixing plate 7 is fixedly connected with the bottom of the stone layer 11, the inside of the stone layer 11 is filled with a sand layer 10, the top of the stone layer 11 is fixedly connected with the bottom of the sand layer 10, the top of the sand layer 10 is fixedly connected with the bottom of the concrete layer 9, the top of the concrete layer 9 is fixedly connected with the bottom of the asphalt layer 8, the stone layer 11, the sand layer 10, the concrete layer 9 and the asphalt layer 8 are all connected with the roadbed 1, by arranging the asphalt layer 8, the concrete layer 9, the sand layer 10 and the stone layer 11, the pavement can be more wear-resistant through the asphalt layer 8, vehicles run up without causing loss to the pavement, the pavement is not easy to break, the service life of the pavement is longer, through the concrete layer 9, the asphalt layer 8 can obtain enough supporting force when being laid, and the pavement is easy to flatten, the pavement is more durable, by arranging the sand layer 10, make concrete layer 9 foundation more firm when laying, all fill up the space between stone layer 11 for the road surface can obtain sufficient holding power, makes the foundation can obtain sufficient holding power through setting up stone layer 11, extension road surface live time.

When in use, the roadbed 1, the bolt 2, the fixture block 3, the spring 4, the clamping groove 5, the first fixing plate 6 and the second fixing plate 7 are arranged, the second fixing plate 7 provides supporting force for the filler to prevent sinking, the first fixing plate 6 covers the top of the road surface, so that the stress of the road surface can be uniform when a vehicle passes through the road surface, the first fixing plate 6 and the second fixing plate 7 are limited by the bolt 2, the clamping groove 5 is arranged on the outer surface of the bolt 2, when the bolt 2 is driven into the first fixing plate 6 by a hammer, the fixture block 3 is clamped into the clamping groove 5 under the action of the spring 4, so that the fixing effect is better, the purpose of firmer splicing surface is achieved, the asphalt layer 8, the concrete layer 9, the sand layer 10 and the stone layer 11 are arranged, the road surface can be more wear-resistant by the asphalt layer 8, and the vehicle cannot cause loss to the road surface when running, difficult breakage, make road surface life longer, through concrete layer 9, make asphalt layer 8 when laying, can obtain sufficient holding power, and flatten easily, make the road surface more durable, through setting up sand layer 10, make concrete layer 9 ground more firm when laying, all fill up the space between stone layer 11, make the road surface can obtain sufficient holding power, make the ground can obtain sufficient holding power through setting up stone head layer 11, prolong road surface live time.

In summary, the above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a new and old road bed rebuilds extension engineering face mosaic structure, includes road bed (1), its characterized in that: be equipped with bolt (2) in road bed (1), be equipped with first fixed plate (6) in road bed (1), the inside of first fixed plate (6) is provided with fixture block (3), the inside of first fixed plate (6) is equipped with spring (4), be provided with second fixed plate (7) in road bed (1).

2. The splicing structure of the new and old roadbed reconstruction and extension project face according to claim 1, characterized in that: the inner wall of road bed (1) and the outer wall connection of second fixed plate (7), the inner wall of road bed (1) and the outer wall connection of first fixed plate (6), the inner wall of first fixed plate (6) is connected with the one end of spring (4).

3. The splicing structure of the new and old roadbed reconstruction and extension project face according to claim 2, characterized in that: one end of the spring (4) is connected with the outer wall of the clamping block (3), the outer wall of the clamping block (3) is connected with the inner wall of the first fixing plate (6), and one end of the clamping block (3) penetrates through the inner wall of the first fixing plate (6) and extends to the outside of the first fixing plate (6).

4. The splicing structure of the new and old roadbed reconstruction and extension project face according to claim 3, wherein: the inner wall of first fixed plate (6) and the outer wall connection of bolt (2), the outside that the outer wall that first fixed plate (6) were run through to the one end of bolt (2) extended to first fixed plate (6), the outer wall of bolt (2) and the inner wall connection of second fixed plate (7), the outer wall that the one end of bolt (2) was run through second fixed plate (7) extends to the outside of second fixed plate (7).

5. The splicing structure of the new and old roadbed reconstruction and extension project face according to claim 4, wherein: the outer wall of bolt (2) and the inner wall connection of ground (1), draw-in groove (5) have been seted up to the surface of bolt (2), the inner wall of draw-in groove (5) and the outer wall connection of fixture block (3), length, the width homogeneous phase of draw-in groove (5) and fixture block (3) are the same, the protruding setting in top of bolt (2).

6. The splicing structure of the new and old roadbed reconstruction and extension project face according to claim 5, wherein: the outer wall of the second fixing plate (7) is connected with the bottom of the stone layer (11), a sand layer (10) is filled in the stone layer (11), and the top of the stone layer (11) is connected with the bottom of the sand layer (10).

7. The splicing structure of the new and old roadbed reconstruction and extension project face according to claim 6, wherein: the top of sand bed (10) is connected with the bottom of concrete layer (9), the top of concrete layer (9) is connected with the bottom of pitch layer (8), stone layer (11), sand bed (10), concrete layer (9), pitch layer (8) all are connected with road bed (1).