CN114575291A - Self-restraint rail type floating composite material anti-collision system - Google Patents

Abstract

The invention relates to the field of bridge collision avoidance, in particular to a self-restraint rail type floating composite material collision avoidance system which comprises a plurality of steel rails (1) fixed on a pier body of a pier, wherein a floating composite material collision avoidance device (2) is in sliding fit with the steel rails (1), a restraint guide cable (3) is arranged on the pier body of the pier, and the floating composite material collision avoidance device (2) is connected with the restraint guide cable (3); the anti-collision system completely has the outstanding advantages of strong settability, wide fortification range coverage, simple and convenient construction, long service life, low maintenance cost and the like of other types of floating type composite material anti-collision; the bridge has better adaptability performance in a more special bridge type, particularly a deck type and a deck type steel (concrete) arch bridge, the clear width dimension of navigation is larger, the water level fall range is larger, and the ship impact can reach the multi-factor coupling working condition; the pier has a complex structure and a variable form, and has good structural stability and engineering economy performance particularly under the working conditions of large distance between the double piers and the like.

Description

A self-restraining rail-type floating composite anti-collision system

technical field

The invention relates to the field of bridge anti-collision, in particular to a self-restraining rail-type floating composite material anti-collision system.

Background technique

According to the research of Japanese scholar Iwai Satoshi, bridge anti-collision devices are divided into two categories: direct structural type and indirect structural type according to the installation location. Among them, the direct structural type is widely used, and among the direct structural type, steel cofferdams, floating steel casings, and new self-floating anti-collision facilities are the most common.

Common bridge anti-collision devices are mainly designed and manufactured according to navigation conditions, hydrological conditions, bridge layout, pier shape and other factors. is widely used. The traditional floating anti-collision facility is generally set around the pier, and does not touch the pier itself, and is in a floating state with rigid connection constraints. However, when the following conditions occur, the traditional floating anti-collision facility cannot reflect its adaptability:

1. The bridge type is an upper bearing type and a lower bearing type steel (concrete) arch bridge. The arch ribs meet on the arch seat caps. The main structures such as bridge piers are located on both sides of the bridge center line near the river bank. The clear width for navigation is sufficient, and the water level changes. The range is large, and the ship can hit it;

2. The design has a large difference between the high and low water levels of navigation, and the fortified bridge pier is a double-pier structure with complex shape and large pier spacing. When the double piers are installed at the same time, the structural stability of the anti-collision facility is poor, and the engineering economy is poor when they are installed separately; 3. Including but not limited to the above-mentioned other special situations.

SUMMARY OF THE INVENTION

In view of the problems mentioned in the background art, the purpose of the present invention is to provide a self-restraining rail-type floating composite anti-collision system to solve the problems mentioned in the background art.

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions: a self-restraining rail-type floating composite anti-collision system, comprising several steel rails fixed on the pier body, the floating composite anti-collision device and the steel rail slidingly cooperate, restraining The guide cable is installed on the pier body, and the floating composite anti-collision device is connected with the restraining guide cable.

Preferably, any one of the steel rails is fixedly connected by a triangular embedded part embedded in the pier body of the bridge pier.

Preferably, the floating composite anti-collision device includes several segments, each segment is provided with several flanges, and the flanges on adjacent segments are connected by connecting pieces.

Preferably, the top surfaces of the two end segments of the floating composite anti-collision device are provided with drain holes, and the top surfaces of other segments are provided with inspection holes.

Preferably, the two end segments of the floating composite anti-collision device are provided with polymer tubes for restricting the passage of the guide wire.

Preferably, the material of the several rails is weathering steel structure, and the cross-sectional form is one of channel steel, I-beam or angle steel.

Preferably, the material and structure of the floating composite anti-collision device are resin-based fiber-reinforced composite material shell, steel-clad resin-based fiber-reinforced composite material shell or steel shell-coated polyurea plus internal filling of energy-consuming core material. A sort of.

Preferably, a lock sleeve is installed on the restraining guide wire to prevent the self-floating performance from being limited due to water flow or debris.

Preferably, the polymer guide wheels at both ends of the floating composite anti-collision device are slidably matched with the plurality of steel rails to form a closed self-restraining rail-type floating composite anti-collision system.

Preferably, the lock sleeve comprises a casing, a roller and a locking device, and the locking device is mounted on the casing through the roller.

To sum up, the present invention mainly has the following beneficial effects:

It is fully equipped with the outstanding advantages of other forms of floating composite anti-collision materials, such as strong designability, wide fortification coverage, simple construction, long service life and low maintenance cost;

In more special bridge types, it has better adaptability, especially the top-mounted and bottom-mounted steel (concrete) arch bridges. Factor coupling conditions;

It has good structural stability and engineering economic performance under the conditions of complex pier structure and changeable forms, especially in the case of large spacing between double piers;

The materials and structures involved have passed the theoretical demonstration and engineering application, and at the same time make up for the lack of adaptability to its special working conditions. It has good promotion value and practical significance.

Description of drawings

Fig. 1 is the overall elevation schematic diagram of the structure of the present invention;

Fig. 2 is the overall plan schematic view of the structure of the present invention;

Fig. 3 is the schematic diagram of the segment connecting flange of the present invention;

Figure 4 is a sectional view of the segment connection flange fixing of the present invention;

Fig. 5 is the position schematic diagram of the scupper hole and the inspection hole of the present invention;

Figure 6 is a schematic diagram of the lock sleeve of the present invention.

Description of drawings: 1. Steel rail; 12. Triangular embedded part; 2. Anti-collision device of floating composite material; 21. Segment; 22. Flange; 23. Connector; 24. Polymer guide wheel; 25. Energy dissipation Slide block; 26, drain hole; 27, inspection hole; 28, polymer pipe; 3, restraint guide wire; 31, lock sleeve; 32, shell; 33, roller; 34, locking device.

Detailed ways

The technical solutions 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

A Kai-style self-restraining rail-type floating composite anti-collision system comprises a plurality of steel rails 1 fixed on the pier body of a bridge pier, a floating composite anti-collision device 2 and a restraining guide cable 3 . Any of the steel rails 1 is fixedly connected by a triangular embedded part 12 embedded in the pier body, and any floating composite anti-collision device 2 is provided with several segments 21, and any one of the segments 21 passes through several flanges 22 Fixed connection, the two ends of the floating composite anti-collision device 2 are fixed with a number of polymer guide wheels 24, and the top surfaces of the segments at both ends of the floating composite anti-collision device 2 are provided with drain holes 26, through which the restraining guide cables are pierced. 3. The restraint guide wire 3 is fixedly connected with the lock sleeve 31 at the top of the steel rail 1 to form a self-restraint rail type floating composite anti-collision system.

Wherein, any one of the steel rails 1 is fixedly connected by a triangular embedded part 12 embedded in the pier body of the bridge pier.

Wherein, the floating composite anti-collision device is provided with a plurality of segments 21, any of the segments 21 are fixedly connected by a plurality of flanges 22, and a plurality of polymer guide wheels 24 are fixed at both ends of the floating composite anti-collision device The inner wall is provided with a number of energy dissipation sliders 25, and the top surfaces of the segments 21 at both ends of the floating composite anti-collision device are provided with drain holes 26.

Wherein, the polymer guide wheels 24 at both ends of the floating composite anti-collision device are constrained with the plurality of steel rails 1 to form a closed self-restraining rail-type floating composite anti-collision system.

Among them, the top surfaces of the segments 21 at both ends of the floating composite anti-collision device are provided with drain holes 26 to pass through the restraining guide cables 3, and at the same time, the top of the steel rail 1 is provided with a lock sleeve 31 to prevent water flow, debris or other factors. Break free and self-floating performance are limited.

Wherein, the material of the several steel rails 1 is weathering steel structure, and the cross-sectional form is one of channel steel, I-beam steel, and angle steel.

Wherein, the material and structure of the floating composite anti-collision device is a resin-based fiber reinforced composite material shell, a steel-coated resin-based fiber-reinforced composite material shell or a steel shell coated with polyurea + an internal filling energy-consuming core material. kind.

Wherein, the restraint guide wire 3 is of self-locking type, and its structure is generally a nylon rope.

The traditional floating anti-collision facility is generally set around the pier, and does not touch the pier itself, and is in a floating state with rigid connection constraints. However, when the following conditions occur, the traditional floating anti-collision facility cannot reflect its adaptability. The bridge type is an upper bearing type and a lower bearing type steel (concrete) arch bridge. The arch ribs meet at the abutment caps. The main structures such as bridge piers are located on both sides of the bridge center line near the river bank. The navigable clear width is sufficient. The drop is large, and the ship can reach it; the fortified bridge pier is a double-pier structure with complex shape and large pier spacing.

Combined with the actual problems in the project, the present invention adopts a self-restraining rail type floating composite material anti-collision system, and a floating composite material anti-collision device is arranged in the reachable area of the ship collision, which can be specially designed and processed according to the fortification requirements. The main structure passes through the steel rail 1 and the restraining guide cable 3. The overall material is light-weight and high-strength, with good structural stability, excellent weather resistance and remarkable energy absorption effect.

At the same time, the materials and structures involved in the present invention have passed the theoretical demonstration and engineering application, and the resistance to promotion and application is small, which better makes up for the problem of insufficient adaptability of the floating anti-collision facility in special working conditions.

The connecting piece 23 and the fastener in the present invention are generally bolts, and those skilled in the art can also select suitable connecting and fastening parts according to the actual situation, which belong to the conventional technical means, so they are not described in detail.

The standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the descriptions in the description and the drawings, and the specific connection methods of each part adopt conventional means such as mature bolts and rivets in the prior art , the machinery, parts and equipment all use the conventional models and conventional connection methods in the prior art, which will not be described in detail here.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A self-restraining rail-type floating composite anti-collision system, characterized in that: it comprises several steel rails (1) fixed on the pier body, and the floating composite anti-collision device (2) is slidingly matched with the steel rail (1), restraining the The guide cable (3) is installed on the pier body, and the floating composite anti-collision device (2) is connected with the restraint guide cable (3). 2 . The self-restraining rail-type floating composite anti-collision system according to claim 1 , characterized in that: any one of the steel rails ( 1 ) is fixedly connected by a triangular embedded part ( 12 ) embedded in the pier body. 3 . 3. The self-restraining rail-type floating composite anti-collision system according to claim 1, wherein the floating composite anti-collision device (2) comprises a plurality of segments (21), and each segment (21) A plurality of flanges (22) are arranged on each of the flanges (22), and the flanges (22) on the adjacent segments (21) are connected by connecting pieces (23). 4. The self-restraining rail-type floating composite anti-collision system according to claim 1, characterized in that: the top surfaces of the two end segments (21) of the floating composite anti-collision device (2) are provided with drain holes (26), the top surfaces of other segments are provided with inspection holes (27). 5. The self-restraining rail-type floating composite anti-collision system according to claim 1, characterized in that: the two end segments (21) of the floating composite anti-collision device (2) are provided with for restraining The polymer tube (28) through which the guide wire (3) passes. 6. The self-restraining rail type floating composite anti-collision system according to claim 1, characterized in that: the material of the several rails (1) is weathering steel structure, and the cross-sectional form is channel steel, I-beam or A type of angle steel. 7. The self-restraining rail-type floating composite anti-collision system according to claim 1, characterized in that: the material and structure of the floating composite anti-collision device (2) are resin-based fiber reinforced composite material shell, steel ladle One of resin-coated fiber reinforced composite shell or steel shell coated with polyurea plus internal filling of energy dissipation core material. 8. The self-restraining rail-type floating composite anti-collision system according to claim 1, characterized in that: the restraint guide wire (3) is installed on the restraint guide wire (3) to prevent the self-floating performance from being limited due to water flow or debris lock sleeve (31). 9 . The self-restraining rail-type floating composite anti-collision system according to claim 1 , wherein the polymer guide wheels ( 24 ) at both ends of the floating composite anti-collision device ( 2 ) and the plurality of rails ( 9 . 1) Sliding fit to form a closed self-restraining rail-type floating composite anti-collision system. 10. The self-restraining rail-type floating composite anti-collision system according to claim 1, wherein the lock sleeve (31) comprises a shell (32), a roller (33) and a locking device (34) together The locking device (34) is mounted on the casing (32) through the roller (33).

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