CN110820464A

CN110820464A - A protractile formula concrete stop device for road is widened

Info

Publication number: CN110820464A
Application number: CN201911117289.4A
Authority: CN
Inventors: 戴兵; 王娟; 顾敏芬; 王峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-02-21
Anticipated expiration: 2039-11-15
Also published as: CN110820464B

Abstract

The invention relates to the technical field of road structures, in particular to a stretchable concrete blocking device for road widening, which comprises an old pavement body, a widened road and a reinforcing member, wherein the side edge of the old pavement body is connected with the widened road through the reinforcing member, the reinforcing member comprises an inner connecting plate, an outer blocking baffle, a spacing adjusting rod group and a guide rod group, and the stretchable concrete blocking device has the advantages that: the side edge of the old pavement body is connected with the widened road through the reinforcing component, the inner connecting plate in the reinforcing component is fixedly connected with the embedded joint embedded in the side wall of the old pavement body, the old pavement body does not need to be damaged, the original structural performance of the old pavement body is kept, the nut end at the outer end of the outer screw rod rotates, and the distance between the inner connecting plate and the outer blocking baffle plate can be adjusted under the screw connection relationship between the outer screw rod and the inner screw tube, namely the width of the widened road needing to be poured is adjusted.

Description

A protractile formula concrete stop device for road is widened

Technical Field

The invention relates to the technical field of road structures, in particular to a stretchable concrete blocking device for road widening.

Background

With the continuous development of urbanization, the traditional urban road construction and design requirements cannot meet the increasing urban traffic flow. Therefore, the number of road widening rebuilding works also shows a tendency to increase stepwise.

The traditional widened road and the old road are mutually separated and relatively independent in structure, so that cracks are easily generated between the widened road and the old road, the structure is unstable, and the widened road and the old road are not obviously combined in reinforcement; if the mode of digging holes again and embedding the connecting steel bars in the old road is adopted, the damage to the original structure is large, and the construction difficulty is large.

Disclosure of Invention

The present invention is directed to an extendable concrete barrier device for road widening, which solves the above problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: a long-reach concrete blocking device for road widening comprises an old pavement body, a widened road and a reinforcing component, wherein the side edge of the old pavement body is connected with the widened road through the reinforcing component, the reinforcing component comprises an inner connecting plate, an outer blocking baffle, a distance adjusting rod group and a guide rod group, a plurality of pre-embedded joints arranged along the length direction of the old pavement body are pre-embedded in the side edge of the old pavement body, the inner connecting plate is correspondingly screwed with the pre-embedded joints arranged on the side wall of the old pavement body through bolts, the lower part of the outer side wall of the inner connecting plate is connected with the outer blocking baffle through the distance adjusting rod group, a group of guide rod groups are respectively connected between the inner connecting plate and the outer blocking baffle at two sides of the distance adjusting rod group, a plurality of groups of prestress components are connected between the upper part of the outer side wall of the inner connecting plate and the outer blocking baffle, and are arranged along the length direction of, and a widened road is formed between the inner connecting plate and the outer blocking baffle through pouring cement paste.

Preferably, the embedded joint is a cylinder with an inner wall provided with an internal thread, and an outer port of the embedded joint is flush with the side wall of the old pavement body.

Preferably, the embedded joint is arranged at one end inside the old pavement body and is integrally formed with a disc-shaped clamping end, and the clamping end is clamped inside the old pavement body.

Preferably, the distance adjusting rod group comprises an inner screw cylinder and an outer screw rod, the inner screw cylinder is vertically welded on the outer side wall of the inner connecting plate, the outer screw rod penetrates through the outer side wall of the outer blocking baffle, the inner end of the outer screw rod is in threaded connection with the inside of the inner connecting plate, and the outer end of the outer screw rod is provided with a nut end.

Preferably, the guide rod group comprises a guide outer cylinder and a guide inner rod, the guide outer cylinder is vertically welded on the outer side wall of the inner connecting plate, the guide inner rod is vertically welded on the inner side wall of the outer barrier plate, the end part of the guide inner rod is inserted into the guide outer cylinder in a matched mode, and a spring is connected between the end part of the guide inner rod and the inner cavity of the guide outer cylinder.

Preferably, the prestressed component includes prestressed reinforcement, bellows and anchor, and the one end of prestressed reinforcement and widening road welded fastening, the other end of prestressed reinforcement run through the lateral wall that blocks the board outward, and the one end that the baffle was blocked outward in running through of prestressed reinforcement is connected with the anchor.

Preferably, the prestressed reinforcement penetrates through the middle part of the anchoring part, and the conical anchoring plug is connected to the anchoring part where the prestressed reinforcement penetrates through.

Preferably, the corrugated pipe is sleeved outside the prestressed reinforcement, and a filling cement layer is filled in a gap between the prestressed reinforcement and the corrugated pipe.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. the side edge of the old pavement body is connected with the widened road through the reinforcing member, and the inner connecting plate in the reinforcing member is fixedly connected with the embedded joint embedded in the side wall of the old pavement body, so that the old pavement body is not required to be damaged, and the original structural performance of the old pavement body is kept;

2. according to the invention, the outer side wall of the inner connecting plate is connected with the outer blocking baffle through the distance adjusting rod group, the inner connecting plate and the outer blocking baffle are guided through the two guide rod groups, the nut end arranged at the outer end of the outer screw rod is rotated through a wrench, and the distance between the inner connecting plate and the outer blocking baffle can be adjusted under the screwing relationship of the outer screw rod and the inner screw cylinder, namely, the distance is used for adjusting the width of a widened road needing to be poured;

3. according to the invention, a plurality of groups of prestress members are connected between the upper part of the outer side wall of the inner connecting plate and the outer baffle, so that the bending resistance of the widened road is enhanced by the prestress members, and cracks are effectively avoided in the widened road.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a cross-sectional view taken at B-B in fig. 2.

In the figure: the novel road comprises an old pavement body 1, a widened road 2, an inner connecting plate 3, an outer blocking baffle 4, a distance adjusting rod group 5, a guide rod group 6, a prestress member 7, a pre-embedded joint 8, a clamping end 81, a bolt 9, an inner screw tube 10, an outer screw rod 11, a nut end 111, a guide outer tube 12, a guide inner rod 13, a prestressed reinforcement 14, a corrugated tube 15, an anchor 16, an anchor plug 17 and a filling cement layer 18.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a can stretch out the long concrete stop device used for road widening, including the old pavement body 1, widen the road 2 and reinforce the component, the side of the old pavement body 1 is connected with widening the road 2 through the reinforced component, the reinforced component includes inner connection board 3, hinder the baffle 4 outside, interval set of control rod 5 and guide bar 6, combine fig. 1 and fig. 2 to show, the side of the old pavement body 1 is pre-buried to have multiple pre-buried joints 8, multiple pre-buried joints 8 are arranged along the length direction of the old pavement body 1, the pre-buried joint 8 is the cylinder that the inner wall has female screw, the outer port of the pre-buried joint 8 flushes with the sidewall of the old pavement body 1, run through multiple bolts 9 along the lateral wall of the inner connection board 3, multiple bolts 9 that run through on the inner connection board 3 correspond to the spiro union with multiple pre-buried joints 8 that the lateral wall of the old pavement body 1 respectively, make the inner connection board 3 hug closely the sidewall of the old pavement body 1, the embedded joint 8 is arranged at one end of the inside of the old pavement body 1, and is integrally formed with a disc-shaped clamping end 81, the clamping end 81 is clamped in the inside of the old pavement body 1, and the connecting strength between the embedded joint 8 and the old pavement body 1 is increased.

Combine shown in fig. 1 and fig. 2, 3 lateral walls of internal connection board below is organized 5 through interval regulating rod and is connected with outer baffle 4, interval regulating rod group 5 includes an interior silk section of thick bamboo 10 and outer lead screw 11, on the lateral wall of connecting plate 3 including interior silk section of thick bamboo 10 vertical welding, it is provided with outer lead screw 11 to run through along the lateral wall that outer baffle 4 hinders, and the inside looks spiro union of outer lead screw 11 and internal connection board 3, nut end 111 that the outer end of outer lead screw 11 set up rotates through the spanner, under the spiro union relation of outer lead screw 11 and an interior silk section of thick bamboo 10, adjustable internal connection board 3 and the interval that hinders between the baffle 4 outward, be used for adjusting the width that widens road 2 that needs to pour.

Referring to fig. 1 and 4, a set of guide rod set 6 is connected to two sides of the distance adjusting rod set 5 between the inner connecting plate 3 and the outer baffle 4, the guide rod set 6 comprises a guide outer cylinder 12 and a guide inner rod 13, the guide outer cylinder 12 is vertically welded to the outer side wall of the inner connecting plate 3, the guide inner rod 13 is vertically welded to the inner side wall of the outer baffle 4, the end part of the guide inner rod 13 is inserted into the guide outer cylinder 12 in a matching manner, when the distance between the inner connecting plate 3 and the outer baffle 4 is adjusted, the guide function is achieved, a spring is connected between the end part of the guide inner rod 13 and the inner cavity of the guide outer cylinder 12, and the outer baffle 4 is always ejected outwards under the action of the spring.

Referring to fig. 1 and 2, a plurality of sets of prestressed components 7 are connected between the upper portion of the outer side wall of the inner connecting plate 3 and the outer baffle 4, the plurality of sets of prestressed components 7 are arranged along the length direction of the widened road 2, each prestressed component 7 includes a prestressed reinforcement 14, a corrugated pipe 15 and an anchor 16, one end of each prestressed reinforcement 14 is welded and fixed with the widened road 2, the other end of each prestressed reinforcement 14 penetrates through the outer side wall of the outer baffle 4, one end of each prestressed reinforcement 14 penetrating through the outer baffle 4 is connected with the anchor 16, as shown in fig. 3, each prestressed reinforcement 14 penetrates through the middle of the anchor 16, a conical anchor plug 17 is connected to the position where the prestressed reinforcement 14 penetrates through the anchor 16, the prestressed reinforcement 14 is firstly pulled and tensioned by a prestressed tensioning machine, the anchor plug 17 is pressed and clamped into the anchor 16 by a pressing device, and the end of each prestressed reinforcement 14 is fixed, the outside cover of prestressing steel 14 is equipped with bellows 15, prevents that the widened road 2 of pouring from taking place the contact with prestressing steel 14 between inner connecting plate 3 and the outer baffle 4 and congeals, and after 14 tensile prestressing steel, the space between prestressing steel 14 and bellows 15 is filled and is filled with filling cement layer 18, fixes prestressing steel 14.

The working principle is as follows: in the invention, a plurality of pre-buried joints 8 arranged along the length direction of the old pavement body 1 are pre-buried in the side wall of the old pavement body 1, when the construction of widening roads is not carried out, the outer port of the embedded joint 8 is sealed by a threaded plug, when the road is widened, the inner connecting plate 3 in the reinforcing component is fixedly connected with the embedded joint 8 arranged on the side wall of the old pavement body 1 through a bolt 9, the outer side wall of the inner connecting plate 3 is connected with the outer baffle 4 through the spacing adjusting rod group 5, and the inner connecting plate 3 and the outer baffle 4 are guided by two groups of guide rod groups 6, the nut end 111 arranged at the outer end of the outer screw rod 11 is rotated by a spanner, under the screw connection relationship of the outer screw rod 11 and the inner screw tube 10, the distance between the inner connecting plate 3 and the outer baffle 4 can be adjusted, namely the width of the widened road 2 needing to be poured is adjusted;

according to the invention, a plurality of groups of prestressed components 7 are connected between the upper part of the outer side wall of an inner connecting plate 3 and an outer baffle 4, after cement slurry is poured between the inner connecting plate 3 and the outer baffle 4 to form an expanded road 2, prestressed steel bars 14 in the prestressed components 7 are pulled and tensioned through a prestressed tensioning machine, an anchor plug 17 is pressed in and clamped in an anchor 16 through pressing equipment to fix the end parts of the prestressed steel bars 14, and finally, a filling cement layer 18 is filled in a gap between the prestressed steel bars 14 and a corrugated pipe 15 to fix the prestressed steel bars 14, so that the expanded road 2 is enhanced in bending resistance by the prestressed components 7, and cracks generated in the expanded road 2 are effectively avoided.

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

1. The utility model provides a protractile formula concrete stop device for road is widened, includes old pavement body (1), widens road (2) and reinforcement member, its characterized in that: the side edge of the old pavement body (1) is connected with the widened pavement (2) through a reinforcing component, the reinforcing component comprises an inner connecting plate (3), an outer blocking baffle (4), a distance adjusting rod group (5) and a guide rod group (6), a plurality of embedded joints (8) distributed along the length direction of the old pavement body (1) are embedded in the side edge of the old pavement body (1), the inner connecting plate (3) is correspondingly screwed with the embedded joints (8) arranged on the side wall of the old pavement body (1) through bolts (9), the lower part of the outer side wall of the inner connecting plate (3) is connected with the outer blocking baffle (4) through the distance adjusting rod group (5), a group of guide rod groups (6) are respectively connected between the inner connecting plate (3) and the outer blocking baffle (4) at two sides of the distance adjusting rod group (5), and a plurality of groups of prestress components (7) are connected between the upper part of the outer side wall of the inner connecting plate (3) and the outer blocking baffle (4), the multiple groups of prestressed components (7) are arranged along the length direction of the widened road (2), and the widened road (2) is formed between the inner connecting plate (3) and the outer blocking baffle (4) through pouring cement paste.

2. The extendable concrete blocking apparatus for road widening according to claim 1, wherein: the embedded joint (8) is a cylinder with an inner wall provided with an internal thread, and an outer port of the embedded joint (8) is flush with the side wall of the old pavement body (1).

3. The extendable concrete blocking apparatus for road widening according to claim 2, wherein: the embedded joint (8) is arranged at one end inside the old pavement body (1) and is integrally formed with a disc-shaped clamping end (81), and the clamping end (81) is clamped inside the old pavement body (1).

4. The extendable concrete blocking apparatus for road widening according to claim 1, wherein: the interval adjusting rod group (5) comprises an inner screw tube (10) and an outer screw rod (11), the inner screw tube (10) is perpendicularly welded on the outer side wall of the inner connecting plate (3), the outer screw rod (11) penetrates through the outer side wall of the outer blocking baffle (4), the inner end of the outer screw rod (11) is in threaded connection with the inside of the inner connecting plate (3), and the outer end of the outer screw rod (11) is provided with a nut end (111).

5. The extendable concrete blocking apparatus for road widening according to claim 1, wherein: the guide rod group (6) comprises a guide outer cylinder (12) and a guide inner rod (13), the guide outer cylinder (12) is perpendicularly welded on the outer side wall of the inner connecting plate (3), the guide inner rod (13) is perpendicularly welded on the inner side wall of the outer barrier plate (4), the end part of the guide inner rod (13) is inserted into the guide outer cylinder (12) in a matched mode, and a spring is connected between the end part of the guide inner rod (13) and the inner cavity of the guide outer cylinder (12).

6. The extendable concrete blocking apparatus for road widening according to claim 1, wherein: prestressing force component (7) include prestressing steel (14), bellows (15) and anchor (16), the one end of prestressing steel (14) with widen road (2) welded fastening, the other end of prestressing steel (14) runs through the lateral wall that blocks board (4) outward, the one end of running through outer baffle (4) of prestressing steel (14) is connected with anchor (16).

7. The extendable concrete blocking device for road widening according to claim 6, wherein: the prestressed reinforcement (14) runs through the middle of the anchor (16), and a conical anchor plug (17) is connected to the position where the prestressed reinforcement (14) runs through the anchor (16).

8. The extendable concrete blocking device for road widening according to claim 6, wherein: the corrugated pipe (15) is sleeved outside the prestressed reinforcement (14), and a filling cement layer (18) is filled in a gap between the prestressed reinforcement (14) and the corrugated pipe (15).