CN206971118U - Anti-collision structure of underpass channel by utilizing carbon fiber section bar - Google Patents

Abstract

The utility model discloses an utilize lower cross-under passageway crashproof structure of carbon fiber section bar, package H shaped steel stand, fixed mounting has the limit for height support body between the H shaped steel stand, the limit for height support body includes the upside steel sheet, downside steel sheet and ripples type plate body, the upside steel sheet, be provided with interval distribution's T shaped steel between the downside steel sheet, the upper surface of the horizontal side of T shaped steel and the downside welded fastening of upside steel sheet, the lower tip of the vertical side of T shaped steel and the upside surface welded fastening of downside steel sheet, ripples type plate body sets up the downside at the downside steel sheet of downside, the downward uplift in middle part of ripples type plate body forms limit for height guard portion. The utility model has the advantages of simple structure, construction convenience, the lower part of limit for height support body is interchangeable ripples folded plate body, receiving to wipe and hit the back, can produce certain deformation, and unlikely damage that causes the limit for height support body, the internal foam of packing of ripples folded plate body also can play the effect of power consumption, low cost, the production of being convenient for has good application prospect.

Description

Anti-collision structure of underpass channel using carbon fiber profiles

technical field

The utility model relates to the technical field of bridge protection, in particular to an anti-collision structure of an underpass using carbon fiber profiles.

Background technique

At present, in order to improve the safety performance of bridges on expressways, height-limiting protective frames are mainly used to prevent vehicles from being too high, thereby ensuring the safety of bridge structures. However, the height-limiting protective frame on the expressway is easily bumped by vehicles, causing the height-limiting protective frame to be often damaged, and the replacement cost is relatively large, and the damaged height-limiting protective frame is also likely to cause a safety accident on the highway. In addition, the height limit protective frame is generally made of steel, but the steel is easy to corrode in an exposed environment, resulting in a decrease in its firmness, which also poses a safety risk.

Utility model content

The purpose of the utility model is to overcome the problems that the existing height-limiting protective frame on the expressway is often damaged, the cost of replacement is relatively large, and there are potential safety hazards. The anti-collision structure of the underpass using carbon fiber profiles of the utility model has a simple structure and is convenient for construction. In case of damage to the height-limiting frame, the foam filled inside the corrugated plate body can also play a role in energy consumption, with low cost, easy production, and good application prospects.

In order to achieve the above object, the technical solution adopted in the utility model is:

An anti-collision structure for an underpass using carbon fiber profiles, including H-shaped steel columns symmetrically arranged on both sides of a highway bridge, and limited elevated bodies are fixedly installed between the H-shaped steel columns,

The height-limiting frame body includes an upper steel plate, a lower steel plate and a corrugated plate body, T-shaped steels distributed at equal intervals are arranged between the upper side steel plate and the lower side steel plate, and the upper surface of the transverse side of the T-shaped steel is in contact with the The lower side of the upper steel plate is welded and fixed, the lower end of the longitudinal side of the T-shaped steel is welded and fixed to the upper side of the lower steel plate, the corrugated plate body is arranged on the lower side of the lower side steel plate, and the corrugated plate body The middle part of it bulges downwards to form a height limit protection part.

In the anti-collision structure of the underpass using carbon fiber profiles, the two ends of the corrugated plate body are sealed structures, and are respectively fixed to the lower side of the lower steel plate by fixing bolts.

In the anti-collision structure of the underpass using carbon fiber profiles, the inside of the corrugated plate body is filled with foam.

In the anti-collision structure of the underpass using carbon fiber profiles, the upper steel plate and the lower steel plate are respectively welded and fixed to the T-shaped steel through fillet welds.

In the anti-collision structure of the underpass using carbon fiber profiles, the two ends of the height-limiting frame body are fixedly connected to the fixed T-shaped steel by high-strength bolts, and the fixed T-shaped steel is fixed on the inner side of the H-shaped steel column by high-strength bolts .

In the anti-collision structure of the underpass using carbon fiber profiles, the H-shaped steel column is provided with transverse reinforcing ribs, and the transverse reinforcing ribs are arranged near the connection with the height-limiting frame.

In the anti-collision structure of the underpass using carbon fiber profiles, the number of the transverse reinforcing ribs is two, which are distributed up and down.

The beneficial effects of the utility model are: the utility model utilizes the underpassage anti-collision structure of the carbon fiber profiles, which is simple in structure and convenient in construction. A certain deformation will be produced without causing damage to the height-limiting frame body. The foam filled inside the corrugated plate body can also play a role in energy consumption. It is low in cost, easy to produce, and has a good application prospect.

Description of drawings

Fig. 1 is the structural representation of the anti-collision structure of the underpass channel utilizing carbon fiber profiles of the present utility model;

Fig. 2 is a partial schematic view of the height limiting frame of the present invention.

The meanings of the marks in the accompanying drawings are as follows:

1: H-shaped steel column; 2: Elevation-limiting frame body; 201: Upper steel plate; 202: Lower steel plate; 203: T-shaped steel; 204: Corrugated plate body; 205: Height-limiting protection part; High-strength bolts; 4: fixed T-shaped steel; 5: transverse ribs.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings of the description.

As shown in Figures 1 and 2, the anti-collision structure of the underpass using carbon fiber profiles of the present utility model includes H-shaped steel columns 1 symmetrically arranged on both sides of the highway bridge, and the fixed installation between the H-shaped steel columns 1 is limited. elevated body 2,

The height-limiting frame body 2 includes an upper steel plate 201, a lower steel plate 202, and a corrugated plate body 204. T-shaped steel plates 203 distributed at equal intervals are arranged between the upper side steel plate 201 and the lower side steel plate 202. The T-shaped steel plates The upper surface of the lateral side of 203 is welded and fixed to the lower side of the upper steel plate 201, the lower end of the longitudinal side of the T-shaped steel 203 is welded and fixed to the upper side of the lower steel plate 202, and the corrugated plate body 204 is arranged on the lower side. The lower side of the side steel plate 202, the middle part of the corrugated plate body 204 bulges downward to form a height limit protection part 205, and the two ends of the corrugated plate body 204 are sealed structures, and are connected to the lower side by fixing bolts 206 respectively. The lower side of the steel plate 202 is fixed, and the inside of the corrugated plate body 204 is filled with foam, and the corrugated plate body 204, after being rubbed, will produce a certain deformation without causing damage to the height-limiting frame body 2, and The corrugated plate body 204 is filled with foam. The foam also has the ability to dissipate energy and reduce the elastic strain energy dissipated by the height-limiting system. It is also low in cost, easy to mass produce, and easy to replace after damage. The corrugated plate body 204 and the lower side steel plate 202 are fixed by fixing bolts 206, which is a semi-rigid connection method with good ductility. When the height-limiting frame body 2 is hit by a vehicle, the damage to the height-limiting frame body 2 is minimized; When the plate body 204 is impacted by the vehicle, it will also deform to a certain extent to consume the elastic strain energy transmitted from the kinetic energy of the vehicle to the height-limiting frame. The upper steel plate 201 and the lower steel plate 202 are respectively welded to the T-shaped steel 203 through fillet welds Fixed, with sufficient rigidity, to ensure the stability of the structure.

The two ends of the height-limiting frame body 2 are fixedly connected to the fixed T-shaped steel 4 through high-strength bolts 3, and the fixed T-shaped steel 4 is fixed on the inner side of the H-shaped steel column 1 through high-strength bolts 3. On the premise of ensuring sufficient rigidity It also has sufficient ductility, which can absorb the elastic strain energy generated by the impact of vehicles, and increases the resistance of the bridge overpass.

The H-shaped steel column 1 is provided with transverse reinforcing ribs 5, and the transverse reinforcing ribs 5 are arranged near the junction with the height-limiting frame body 2. The number of transverse reinforcing ribs 5 is two, distributed up and down, to increase the H The lateral rigidity of the section steel column 1 ensures the lateral stability of the height-limiting frame body 2 .

In summary, the anti-collision structure of the underpass using carbon fiber profiles of the utility model has a simple structure and is convenient for construction. Deformation without causing damage to the height-limiting frame body, the foam filled inside the corrugated plate body can also play a role in energy consumption, low cost, easy to produce, and has a good application prospect.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (7)

1. utilize the underpass anti-collision structure of carbon fiber sectional material, it is characterised in that：Including being symmetricly set on freeway bridge The H profile steel column of beam both sides（1）, the H profile steel column（1）Between be installed with limit for height support body（2）,

The limit for height support body（2）Including upside steel plate（201）, downside steel plate（202）With setback template body（204）, the upside Steel plate（201）, downside steel plate（202）Between be provided with the T-steel being spacedly distributed（203）, the T-steel（203）Horizontal side Upper surface and upside steel plate（201）Downside be welded and fixed, the T-steel（203）Longitudinal side side bottom and downside Steel plate（202）Upper side be welded and fixed, the setback template body（204）It is arranged on downside steel plate（202）Downside, it is described Setback template body（204）Middle part downwards protuberance form limit for height protection department（205）.

2. the underpass anti-collision structure according to claim 1 using carbon fiber sectional material, it is characterised in that：The ripple Fold-type plate body（204）Both ends be sealing structure, and pass through fixing bolt respectively（206）With downside steel plate（202）Downside Face is mutually fixed.

3. the underpass anti-collision structure according to claim 1 using carbon fiber sectional material, it is characterised in that：The ripple Fold-type plate body（204）Inside is filled with foam.

4. the underpass anti-collision structure according to claim 1 using carbon fiber sectional material, it is characterised in that：On described Side steel plate（201）, downside steel plate（202）Pass through angle welding and T-steel respectively（203）It is welded and fixed.

5. the underpass anti-collision structure according to claim 1 using carbon fiber sectional material, it is characterised in that：The limit High support body（2）Both ends pass through high-strength bolt respectively（3）With fixed T-steel（4）It is fixedly connected, the fixed T-steel（4） Pass through high-strength bolt（3）It is fixed on H profile steel column（1）Inner side.

6. the underpass anti-collision structure according to claim 1 using carbon fiber sectional material, it is characterised in that：The H Shaped steel column（1）Inside it is provided with cross reinforcing（5）, the cross reinforcing（5）It is positioned close to and limit for height support body（2）Connection Place.

7. the underpass anti-collision structure according to claim 6 using carbon fiber sectional material, it is characterised in that：The horizontal stroke To reinforcement（5）Quantity be two, go to upper and lower distribution.