CN214656357U

CN214656357U - Hole sealing assembly for road and bridge guardrail and road and bridge guardrail

Info

Publication number: CN214656357U
Application number: CN202120243174.6U
Authority: CN
Inventors: 王晓康; 白金铸; 叶迎军
Original assignee: Zhuozhou Jorbo Mechanics Equipment Co ltd
Current assignee: Zhuozhou Jorbo Mechanics Equipment Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-11-09
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a hole sealing subassembly and road and bridge guardrail for road and bridge guardrail belongs to road and bridge guardrail technical field, for solving the poor scheduling problem design of current road and bridge guardrail weatherability. The utility model discloses road and bridge is hole sealing subassembly for guardrail includes hole sealing mounting bracket, grout mould and shutoff mould, and grout mould and shutoff mould set up respectively in the both sides of hole sealing mounting bracket, and the middle part of hole sealing mounting bracket, grout mould and shutoff mould is provided with the through-hole that is used for wearing to establish the guardrail body of rod respectively. The utility model discloses hole sealing subassembly and road bridge guardrail for road and bridge guardrail is located between grout mould and the shutoff mould when grouting the end of the guardrail body of rod, and the end of the guardrail body of rod stretches into one section distance in the hole sealing mounting bracket, makes the end of the guardrail body of rod and hole sealing mounting bracket form a whole through grout, realizes the stable connection of stand and the guardrail body of rod; the processing mode is simple and convenient, and the stand column and the guardrail rod body of the obtained processing are stably connected and have strong weather resistance.

Description

Hole sealing assembly for road and bridge guardrail and road and bridge guardrail

Technical Field

The utility model relates to a road and bridge guardrail technical field especially relates to a road and bridge guardrail that hole sealing subassembly and processing were made by this road and bridge guardrail with hole sealing subassembly for the road and bridge guardrail.

Background

In order to ensure safety, railings are usually provided on both sides of the railway or road bridge to prevent a pedestrian (e.g., a service person) from falling.

At present, the most widely used handrail is made of a prefabricated reinforced concrete structure, and a few handrails are made of a hollow steel structure. Whether reinforced concrete structure or steel construction, the railing all includes a plurality of stands and connects the horizontal pole between two adjacent stands.

In the prior railing, the connecting structure between the upright post and the cross rod is simple, and the cross rod directly passes through the upright post or the end of the cross rod is arranged on the upright post through a connecting piece. The common drawbacks of these two structures are: the connecting part of the cross rod and the upright post has a large gap, rainwater and the like easily permeate into the upright post from the gap, so that the upright post is easy to crack, expose ribs, carbonize and the like, and has short service life and poor weather resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hole sealing subassembly for road bridge guardrail can process between the stand and the guardrail body of rod and form the shutoff portion that can play sealed effect, avoids between rainwater infiltration stand and the guardrail body of rod, has improved the weatherability.

Another object of the utility model is to provide a road and bridge guardrail that weatherability is good.

To achieve the purpose, on one hand, the utility model adopts the following technical scheme:

the utility model provides a road and bridge is hole sealing subassembly for guardrail, includes hole sealing mounting bracket, grout mould and shutoff mould, grout mould with the shutoff mould set up respectively in the both sides of hole sealing mounting bracket, the hole sealing mounting bracket grout mould with the middle part of shutoff mould is provided with the through-hole that is used for wearing to establish the guardrail body of rod respectively.

Especially, the hole sealing mounting bracket includes the tubulose shell body of cavity, wears to establish the inside interior casing of shell body and a plurality of connection respectively the shell body with baffle between the interior casing, the cavity formation of the edge axis of interior casing is used for wearing to establish the mounting bracket through-hole of the guardrail body of rod.

In particular, the outer shell is at least partially trumpet-shaped, and the diameter of the end of the outer shell close to the grouting mould is larger than the diameter of the end close to the plugging mould.

Particularly, a plurality of slurry through holes are formed in the side wall of the inner shell, the slurry through holes are communicated with the inner side and the outer side of the inner shell, and the slurry through holes are located between two adjacent partition plates.

Particularly, the grouting mold comprises a first grouting sub-mold and a second grouting sub-mold which are buckled with each other, the first grouting sub-mold and the second grouting sub-mold enclose a grouting mold through hole for penetrating through a guardrail rod body, a grouting opening is formed in one of the first grouting sub-mold and the second grouting sub-mold, and a grouting channel in the grouting opening is communicated to the inside of the grouting mold.

In particular, the grout passage is in a state of being inclined downward, and a sectional area of the grout passage is gradually reduced in a grout inflow direction.

Particularly, the blocking mold comprises a first blocking sub-mold and a second blocking sub-mold which are mutually buckled, and the first blocking sub-mold and the second blocking sub-mold are enclosed to form a blocking mold through hole for penetrating through the guardrail rod body.

Particularly, the hole sealing assembly for the road and bridge guardrail further comprises a first prefabricated hole die and a second prefabricated hole die which are buckled with each other.

In particular, one of the first pre-hole forming die and the second pre-hole forming die is provided with a positioning protrusion, and the other is provided with a positioning groove matched with the positioning protrusion.

On the other hand, the utility model adopts the following technical scheme:

the utility model provides a by foretell road and bridge guardrail that hole sealing subassembly processing was made for road and bridge guardrail, includes the stand and the guardrail body of rod, the guardrail body of rod includes handrail and horizontal pole, the stand the handrail with the horizontal pole includes the hollow body of being made by the metal respectively and pours into the inside concrete inner core of body, the hole sealing mounting bracket sets up in the concrete inner core, the shutoff portion parcel that is formed by grout mould and shutoff mould processing lives the hole sealing mounting bracket with the end of handrail, or parcel live the hole sealing mounting bracket with the end of horizontal pole.

The utility model discloses road and bridge is hole sealing subassembly for guardrail includes hole sealing mounting bracket, grout mould and shutoff mould, and grout mould and shutoff mould are used for wherein with the shutoff of epoxy mortar, and the end of the guardrail body of rod is located between grout mould and the shutoff mould during the grout, and the end of the guardrail body of rod stretches into one section distance in the hole sealing mounting bracket, makes the end of the guardrail body of rod and hole sealing mounting bracket form a whole through the grout, realizes the stable connection of stand and the guardrail body of rod.

The utility model discloses the road and bridge guardrail is made by foretell road and bridge for the guardrail hole sealing subassembly processing, and the processing mode is simple convenient, and the stand and the guardrail body of rod of processing gained are stable to be connected and the weatherability is strong.

Drawings

Fig. 1 is a schematic structural diagram of a hole sealing assembly according to an embodiment of the present invention;

fig. 2 is a front view of a hole sealing installation frame according to an embodiment of the present invention;

fig. 3 is a front view of a grouting mold according to an embodiment of the present invention;

fig. 4 is a front view of a plugging mold according to an embodiment of the present invention;

fig. 5 and fig. 6 are sectional views of a combined structure of two kinds of first and second pre-hole molds according to embodiments of the present invention;

FIG. 7 is a front view of a column according to an embodiment of the present invention;

FIG. 8 is a sectional view taken along line A-A of FIG. 7;

fig. 9 is a schematic structural view of the column grouting according to the embodiment of the present invention;

fig. 10 is a schematic structural view of a road and bridge guardrail provided by an embodiment of the present invention;

fig. 11 is a partial enlarged view at B in fig. 10.

In the figure:

1. a pipe body; 2. a concrete core; 3. a column; 4. a handrail; 5. a cross bar; 8. mounting holes; 9. a plugging section; 10. a hole sealing mounting rack; 11. an outer housing; 12. an inner housing; 13. a partition plate; 14. a mounting bracket through hole; 20. grouting a mold; 21. a first grouting sub-mold; 22. a second grouting sub-mold; 23. grouting a through hole of the mold; 24. grouting ports; 25. grouting a channel; 30. plugging the mold; 31. a first stopper mold; 32. a second plug sub-mold; 33. plugging the through hole of the mold; 41. a first pre-hole die; 42. a second pre-hole die; 43. positioning the projection; 44. a positioning groove; 122. and (6) passing through the slurry through hole.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

This embodiment discloses a road and bridge is hole sealing subassembly and the road and bridge guardrail that is formed by processing of this hole sealing subassembly for the road and bridge guardrail. As shown in fig. 1, the sealing assembly includes a sealing mount 10, a grouting mold 20, and a sealing mold 30. The grouting mold 20 and the plugging mold 30 are respectively arranged on two sides of the hole sealing mounting frame 10 and used for plugging epoxy mortar between the grouting mold 20 and the plugging mold 30; the middle parts of the hole sealing mounting frame 10, the grouting mold 20 and the plugging mold 30 are respectively provided with a through hole for penetrating through the guardrail rod body, the end of the guardrail rod body is positioned between the grouting mold 20 and the plugging mold 30 during grouting, the end of the guardrail rod body extends into the hole sealing mounting frame 10 by a distance (the length of the distance is not specifically set, and is individually set according to the size of each part), and the end of the guardrail rod body and the hole sealing mounting frame 10 form a whole through grouting.

As shown in fig. 1 and 2, the sealing mount 10 includes an outer housing 11 having a hollow tubular shape, an inner housing 12 inserted into the outer housing 11, and a plurality of partitions 13 respectively connected between the outer housing 11 and the inner housing 12, wherein a cavity of the inner housing 12 along an axis forms a mount through hole 14 for inserting a guard bar body.

In order to improve grouting fluency, the outer shell 11 is at least partially trumpet-shaped, the diameter of one end of the outer shell 11 close to the grouting mould 20 is larger than that of one end close to the plugging mould 30, and the flowing speed of the epoxy mortar in the hole sealing mounting frame 10 is higher.

A plurality of slurry through holes 122 are formed on the side wall of the inner shell 12, the slurry through holes 122 are communicated with the inner side and the outer side of the inner shell 12, and the slurry through holes 122 are located between two adjacent partition plates 13. Epoxy mortar entering the outer housing 11 can enter the inner housing 12 through the through-mortar-passing holes 122, thereby filling the inner housing 12 and wrapping the ends of the guardrail rods.

As shown in fig. 1 and 3, the grouting mold 20 includes a first grouting sub-mold 21 and a second grouting sub-mold 22 that are fastened to each other, the first grouting sub-mold 21 and the second grouting sub-mold 22 enclose a grouting mold through hole 23 for penetrating a guardrail rod body, a grouting opening 24 is provided on one of the first grouting sub-mold 21 and the second grouting sub-mold 22, and a grouting passage 25 inside the grouting opening 24 communicates the inside and the outside of the grouting mold 20.

Preferably, the grouting passage 25 is inclined downward, and the sectional area of the grouting passage 25 is gradually reduced in the grouting inflow direction, thereby increasing the flow velocity of the epoxy mortar in the grouting passage 25 and improving the smoothness of grouting.

As shown in fig. 1 and 4, the blocking mold 30 includes a first blocking sub-mold 31 and a second blocking sub-mold 32 that are engaged with each other, and the first blocking sub-mold 31 and the second blocking sub-mold 32 enclose a blocking mold through hole 33 for passing through the guardrail rod body. The function of the plugging mold 30 is to block the end of the side opposite to the grouting mold 20 from the epoxy mortar flowing out of the end of the side.

As shown in fig. 5 and 6, the hole sealing assembly for the road and bridge guardrail further comprises a first prefabricated hole die 41 and a second prefabricated hole die 42 which are buckled with each other, and the first prefabricated hole die 41 and the second prefabricated hole die 42 are used for reserving an installation through hole in the processing of the upright column. In order to improve the stability, a positioning protrusion 43 is provided on one of the first and second

pre-hole molds

41 and 42, and a positioning groove 44 that fits the positioning protrusion 43 is provided on the other.

As shown in fig. 7 to 11, the road and bridge guardrail comprises a column 3 and a guardrail rod body, wherein the guardrail rod body comprises a handrail 4 and a cross rod 5, and the column 3, the handrail 4 and the cross rod 5 respectively comprise a hollow pipe body 1 made of metal and a concrete inner core 2 poured inside the pipe body 1. The stand 3 includes body 1 that the tubular metal resonator made, has seted up mounting hole 8 on the body 1. In the processing process of the upright post 3, the first prefabricated hole die 41 and the second prefabricated hole die 42 are aligned with the mounting hole 8 and then are mounted in the tube body 1 of the upright post 3, concrete is poured into the tube body 1, and the concrete forms the concrete inner core 2 after being solidified.

Taking the first prefabricated hole mold 41 and the second prefabricated hole mold 42 out of the mounting hole 8, placing the hole sealing mounting frame 10 into the mounting through hole aligned with the mounting hole 8 in the concrete core 2, respectively inserting the ends of the handrail 4 or the cross rod 5 into the corresponding mounting through holes, respectively buckling the grouting mold 20 and the plugging mold 30 at the joint of the pipe body 1 and the handrail 4 (or the cross rod 5) from both ends, and pouring epoxy mortar from the grouting port 24 of the grouting mold 20. The epoxy mortar fills the entire space between the grouting mold 20 and the plugging mold 30 to form the plugging portion 9. The plugging part 9 wraps the end of the hole sealing installation frame 10 and the end of the handrail 4 (or the cross rod 5), and then the grouting mold 20 and the plugging mold 30 are taken down to complete the connection of the upright post 3 and the guardrail rod body of the road and bridge guardrail.

The road and bridge guardrail processed by the hole sealing component has simple and reasonable structure, low maintenance cost, strong weather resistance, stable connection, safety and reliability; the upright post 3 and the guardrail rod body are prefabricated in a factory, and the upright post 3 and the guardrail rod body are installed together when the use site is reached, so that the workload of a construction site is reduced, and the construction efficiency is improved; the plugging part 9 can avoid rainwater and the like from permeating into the joint of the upright post 3 and the guardrail rod body, solves the corrosion prevention problem of the inner wall of the pipe body 1, has enhanced weather resistance, is safe and reliable, is convenient to maintain and replace, and is particularly suitable for long-term stable safety protection of modern railways.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a road and bridge is hole sealing subassembly for guardrail, its characterized in that, includes hole sealing mounting bracket (10), grout mould (20) and shutoff mould (30), grout mould (20) with shutoff mould (30) set up respectively in the both sides of hole sealing mounting bracket (10), hole sealing mounting bracket (10) grout mould (20) with the middle part of shutoff mould (30) is provided with the through-hole that is used for wearing to establish the guardrail body of rod respectively.

2. The sealing assembly for road and bridge guardrails according to claim 1, wherein the sealing mounting frame (10) comprises an outer shell (11) in a hollow tubular shape, an inner shell (12) penetrating inside the outer shell (11), and a plurality of partition plates (13) respectively connected between the outer shell (11) and the inner shell (12), wherein a cavity along an axis of the inner shell (12) forms a mounting frame through hole (14) for penetrating a guardrail rod body.

3. Sealing assembly for road and bridge guardrails according to claim 2, characterized in that the outer shell (11) is at least partially flared, the diameter of the end of the outer shell (11) close to the grouting mould (20) being larger than the diameter of the end close to the sealing mould (30).

4. The sealing assembly for the road and bridge guardrail according to claim 2, wherein a plurality of slurry through holes (122) are formed on the side wall of the inner shell (12), the slurry through holes (122) are communicated with the inner side and the outer side of the inner shell (12), and the slurry through holes (122) are positioned between two adjacent partition plates (13).

5. The sealing assembly for the road and bridge guardrail according to any one of claims 1 to 4, wherein the grouting mold (20) comprises a first grouting sub-mold (21) and a second grouting sub-mold (22) which are buckled with each other, the first grouting sub-mold (21) and the second grouting sub-mold (22) enclose a grouting mold through hole (23) for penetrating a guardrail rod body, a grouting port (24) is arranged on one of the first grouting sub-mold (21) and the second grouting sub-mold (22), and a grouting channel (25) inside the grouting port (24) is communicated to the inside of the grouting mold (20).

6. The sealing assembly for a road and bridge guardrail according to claim 5, wherein the grouting passage (25) is inclined downward, and a sectional area of the grouting passage (25) is gradually reduced in a grouting inflow direction.

7. The hole sealing assembly for the road and bridge guardrail according to any one of claims 1 to 4, characterized in that the sealing mold (30) comprises a first sealing sub-mold (31) and a second sealing sub-mold (32) which are buckled with each other, and the first sealing sub-mold (31) and the second sealing sub-mold (32) enclose a sealing mold through hole (33) for penetrating the guardrail rod body.

8. The hole sealing assembly for road and bridge guardrails according to any one of claims 1 to 4, further comprising a first prefabricated hole mold (41) and a second prefabricated hole mold (42) which are buckled with each other.

9. The hole sealing assembly for road and bridge guardrails according to claim 8, wherein a positioning protrusion (43) is provided on one of the first prefabricated hole die (41) and the second prefabricated hole die (42), and a positioning groove (44) matched with the positioning protrusion (43) is provided on the other.

10. A road and bridge guardrail manufactured by the hole sealing component for road and bridge guardrails according to any one of claims 1 to 9, characterized by comprising a column (3) and a guardrail rod body, wherein the guardrail rod body comprises a handrail (4) and a cross rod (5), the column (3), the handrail (4) and the cross rod (5) respectively comprise a hollow pipe body (1) made of metal and a concrete inner core (2) poured inside the pipe body (1), the hole sealing mounting frame (10) is arranged in the concrete inner core (2), and the sealing part (9) formed by a grouting mold (20) and a sealing mold (30) covers the end of the hole sealing mounting frame (10) and the handrail (4) or the end of the hole sealing mounting frame (10) and the end of the cross rod (5).