CN213013909U

CN213013909U - Expansion device of highway bridge guardrail

Info

Publication number: CN213013909U
Application number: CN202021254439.4U
Authority: CN
Inventors: 贾宝红; 陈建光
Original assignee: Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Current assignee: Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-20
Anticipated expiration: 2030-07-01

Abstract

The utility model relates to a bridge technical field just discloses a telescoping device of public road bridge roof beam guardrail, including the pier, the top fixedly connected with pontic of pier, the inside fixedly connected with strengthening rib of pontic, the outer wall fixedly connected with fixing base of strengthening rib, the top swing joint of fixing base has the mount pad, the inside fixedly connected with pillar of pontic, the fixed muscle of inside fixedly connected with of pillar, the outer wall fixedly connected with mounting groove of fixed muscle, the outer wall swing joint of pillar has the installation body, the inside swing joint of the installation body has the crossbeam, the outer wall fixedly connected with gliding mass of crossbeam, the outer wall fixedly connected with of gliding mass stretches out and draws back the pad, the inside swing joint of the installation body has the pin, the inside swing joint of the installation body has the round pin post. This telescoping device of public road bridge roof beam guardrail possesses easy to assemble, avoids the distortion that the inflation takes place and excellent such as kick-backing to the vehicle.

Description

Expansion device of highway bridge guardrail

Technical Field

The utility model belongs to the technical field of the bridge, specifically be a public road bridge roof beam guardrail's telescoping device.

Background

The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass, is suitable for the modern high-speed developed traffic industry, is also extended to be a building erected to span mountain stream, unfavorable geology or meet other traffic requirements to enable the vehicles, pedestrians and the like to pass more conveniently, and generally consists of an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for crossing obstacles.

At present, bridges are widely established in all regions, but the guardrail protectiveness of a highway bridge is poor, hidden dangers are caused to vehicle safety, and the guardrail is easily influenced by weather, expands and distorts, and is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescoping device of public road bridge roof beam guardrail to solve the poor problem of bridge railing protectiveness.

For realizing above-mentioned easy to assemble, avoid the distortion that the inflation takes place and carry out the purpose of kick-backing to the vehicle, the utility model provides a following technical scheme: a telescopic device of a road bridge guardrail comprises a bridge pier, wherein the top of the bridge pier is fixedly connected with a bridge body, the inside of the bridge body is fixedly connected with a reinforcing rib, the outer wall of the reinforcing rib is fixedly connected with a fixed seat, the top of the fixed seat is movably connected with a mounting seat, the inside of the mounting seat is movably connected with a stud, the top of the mounting seat is fixedly connected with a sleeve, the inner wall of the sleeve is movably connected with a slide block, the top of the slide block is fixedly connected with a loop bar, the inside of the sleeve is movably connected with a spring, one end of the loop bar, far away from the sleeve, is fixedly connected with a protective guard, the inside of the bridge body is fixedly connected with a strut, the inside of the strut is fixedly connected with a fixed rib, the outer wall of the fixed rib is fixedly connected with a mounting, the outer wall fixedly connected with gliding mass of crossbeam, the outer wall fixedly connected with of gliding mass is flexible to be filled up, the inside swing joint of the installation body has the pin, the inside swing joint of the installation body has the round pin post.

Preferably, the inside fixedly connected with fixing base of the pontic, the quantity of pier is four at least, the double-screw bolt passes the inside of mount pad and extends to the inside of fixing base.

Preferably, the quantity of mount pad and fixing base all is three at least, the top fixedly connected with spring of slider, the one end fixedly connected with sheathed tube inner wall of slider is kept away from to the spring.

Preferably, the bottom fixedly connected with strengthening rib of fixed muscle, fixed muscle and strengthening rib are the national standard reinforcing bar, the inside fixedly connected with mounting groove of pillar, the inner wall swing joint of mounting groove has flexible the pad, and flexible the pad is the flexible pad of rubber.

Preferably, the number of the sliding bodies is two, the installation body is a closed tube consisting of two identical U clamping plates, the number of the pins in the installation body is four, and the fixing ribs are fixedly connected to the inner part of the cross beam.

Preferably, the number of the installation bodies and the number of the pillars are at least four, the number of the pins is at least four, the bottom of the cross beam is fixedly connected with a sleeve, and the bottom of the pier is fixedly connected with a support body.

Compared with the prior art, the utility model provides a telescoping device of public road bridge roof beam guardrail possesses following beneficial effect:

1. this telescoping device of public road bridge roof beam guardrail, fixing base and mount pad pass through threaded connection, and inside the mounting groove of gliding mass slip setting on the pillar on the crossbeam, the installation body through on the crossbeam rotates around the round pin post, and then make the installation body detain the outer wall at the pillar, through the inside pin threaded connection of the internal portion of installation at the pillar, and extend to the spiral shell inslot portion of fixed muscle outer wall, then cushion the gliding mass that receives bloated through flexible pad on the gliding mass on the crossbeam, can prevent gliding mass transition extrusion mounting groove, easy to assemble, avoid the distortion that the inflation takes place.

2. According to the telescopic device of the road bridge guardrail, if a vehicle running on a bridge body collides with the guardrail, the sleeve rod can be pulled by the guardrail to compress the spring in the sleeve, so that the collision of the vehicle is buffered, the spring is compressed and recovered, the guardrail generates opposite force on the vehicle, the vehicle is prevented from colliding with the bridge, and the protection effect is improved.

Drawings

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

FIG. 2 is a partially enlarged view of the portion A shown in FIG. 1 according to the present invention;

fig. 3 is a partially enlarged schematic view of a portion B shown in fig. 1 according to the present invention.

In the figure: the bridge comprises a bridge pier 1, a bridge body 2, reinforcing ribs 3, fixing seats 4, mounting seats 5, studs 6, sleeves 7, sliders 8, sleeve rods 9, springs 10, guard rails 11, pillars 12, fixing ribs 13, mounting grooves 14, mounting bodies 15, cross beams 16, sliding bodies 17, telescopic pads 18, pins 19 and pins 20.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, a telescopic device for a road bridge guardrail comprises a bridge pier 1, a bridge body 2 fixedly connected to the top of the bridge pier 1, a fixed seat 4 fixedly connected to the inside of the bridge body 2, at least four bridge piers 1, studs 6 extending into the fixed seat 4 through the inside of a mounting seat 5, reinforcing ribs 3 fixedly connected to the inside of the bridge body 2, the fixed seat 4 fixedly connected to the outer wall of the reinforcing ribs 3, a mounting seat 5 movably connected to the top of the fixed seat 4, at least three mounting seats 5 and fixed seats 4, a spring 10 fixedly connected to the top of a slider 8, a sleeve 7 fixedly connected to one end of the spring 10 away from the slider 8, an inner wall of the sleeve 7, the stud 6 movably connected to the inside of the mounting seat 5, a sleeve 7 fixedly connected to the top of the mounting seat 5, a guardrail 11 on the sleeve 7 and the sleeve 9, and a sleeve rod 9 and a sleeve 7 at the top, the inner wall of the sleeve 7 is movably connected with a slide block 8, the top of the slide block 8 is fixedly connected with a loop bar 9, the inside of the sleeve 7 is movably connected with a spring 10, one end of the loop bar 9 far away from the sleeve 7 is fixedly connected with a protective guard 11, the inside of the bridge body 2 is fixedly connected with a pillar 12, the inside of the pillar 12 is fixedly connected with a fixed rib 13, the bottom of the fixed rib 13 is fixedly connected with a reinforcing rib 3, the fixed rib 13 and the reinforcing rib 3 are both national standard reinforcing steel bars, the inside of the pillar 12 is fixedly connected with a mounting groove 14, the inner wall of the mounting groove 14 is movably connected with a telescopic pad 18, the telescopic pad 18 is a rubber telescopic pad, the outer wall of the fixed rib 13 is fixedly connected with a mounting groove 14, the outer wall of the pillar 12 is movably connected with a mounting body 15, the number of the mounting body 15 and the pillar 12 is at least, the inside swing joint of the installation body 15 has crossbeam 16, the outer wall fixedly connected with of crossbeam 16 slips body 17, the quantity of slips body 17 is two, the installation body 15 is the closed tube that two the same U cardboard is constituteed, the quantity of the inside pin 19 of the installation body 15 is four, the inside fixedly connected with fixed muscle 13 of crossbeam 16, the outer wall fixedly connected with of the slip body 17 stretches out and draws back the pad 18, the inside swing joint of the installation body 15 has pin 19, the inside swing joint of the installation body 15 has round pin post 20.

In conclusion, the telescopic device of the road bridge guardrail is characterized in that the fixing seat 4 and the mounting seat 5 on the reinforcing rib 3 inside the bridge body 2 are connected through threads, the sliding body 17 on the cross beam 16 slides inside the mounting groove 14 on the pillar 12, the mounting body 15 on the cross beam 16 rotates around the pin column 20, the mounting body 15 is buckled on the outer wall of the pillar 12, the pin 19 inside the mounting body 15 is connected inside the pillar 12 in a threaded mode and extends to the inside of the threaded groove of the outer wall of the fixing rib 13, the expanded sliding body 17 is buffered through the telescopic pad 18 on the sliding body 17 on the cross beam 16, the sliding body 17 is prevented from excessively extruding the mounting groove 14, the mounting is facilitated, and the distortion caused by expansion is avoided.

When the automobile running on the bridge body 2 collides with the guard rail 11, the sleeve rod 9 is pulled by the guard rail 11 to compress the spring 10 in the sleeve 7, so that the collision of the automobile is buffered, and the spring 10 is compressed and recovered, so that the guard rail 11 generates an opposite force to the automobile, and the automobile is prevented from colliding with the bridge.

Claims

1. The utility model provides a telescoping device of public road bridge roof beam guardrail, includes pier (1), its characterized in that: the bridge structure is characterized in that a bridge body (2) is arranged on the bridge pier (1), reinforcing ribs (3) are arranged on the bridge body (2), a fixing seat (4) is arranged on the bridge body (2), a mounting seat (5) is arranged on the fixing seat (4), a stud (6) is arranged inside the mounting seat (5), a sleeve (7) is arranged on the mounting seat (5), a sliding block (8) is arranged in the sleeve (7), a sleeve rod (9) is arranged on the sliding block (8), a spring (10) is arranged on the sleeve rod (9), a protective guard (11) is fixedly connected to the upper end of the sleeve rod (9), a support column (12) is arranged on the bridge pier (2), a fixing rib (13) is arranged inside the support column (12), a mounting groove (14) is arranged on the fixing rib (13), a mounting body (15) is arranged on the support column (12), and a cross, the end part of the cross beam (16) is fixedly connected with a sliding body (17), the end part of the sliding body (17) is provided with a telescopic pad (18), the installation body (15) is connected with the support column (12) through a pin (19), and the installation body (15) is connected with the cross beam through a pin column (20).

2. The telescopic device of a road bridge railing of claim 1, wherein: fixedly connected with fixing base (4) on the pontic (2), the quantity of pier (1) is four at least, double-screw bolt (6) pass the inside of mount pad (5) and extend to the inside of fixing base (4).

3. The telescopic device of a road bridge railing of claim 1, wherein: the quantity of mount pad (5) and fixing base (4) all is three at least, the top fixedly connected with spring (10) of slider (8), the one end fixed connection in the inner wall of sleeve pipe (7) that slider (8) were kept away from in spring (10).

4. The telescopic device of a road bridge railing of claim 1, wherein: the bottom fixedly connected with strengthening rib (3) of fixed muscle (13), the inside fixedly connected with mounting groove (14) of pillar (12), the inner wall swing joint of mounting groove (14) has flexible pad (18), and flexible pad (18) are the rubber pad that stretches out and draws back.

5. The telescopic device of a road bridge railing of claim 1, wherein: the number of the sliding bodies (17) is two, the installation body (15) is a closed tube composed of two identical U clamping plates, the number of the pins (19) in the installation body (15) is four, and the fixing ribs (13) are fixedly connected in the cross beam (16).

6. The telescopic device of a road bridge railing of claim 1, wherein: the quantity of installation body (15) and pillar (12) all is four at least, the quantity of round pin post (20) is four at least, the bottom fixedly connected with sleeve pipe (7) of crossbeam (16), the bottom fixedly connected with supporter of pier (1).