Assembly type bridge pier anti-collision device

Abstract

The application discloses an assembled bridge pier anti-collision device, which comprises a bridge pier body, a buffer assembly and multiple groups of anti-collision assemblies. The buffer assembly is in a character-shaped structure and is arranged around the outer periphery of the bridge pier body. Multiple connecting rods are fixedly connected between the inner ring wall of the buffer assembly and the side wall of the bridge pier body. An annular cavity is arranged in the buffer assembly, and multiple groups of clamping mechanisms are installed in the cavity. The anti-collision assemblies are close to the outer ring wall of the buffer assembly, and each group of the anti-collision assemblies is provided with an anti-collision roller. The anti-collision roller can be turned to the direction of the ship bow, so that the impact force on the bridge pier is reduced. The buffer assembly can buffer the impact force, and the combination of the two can protect the bridge pier.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bridge construction. More particularly, the present application relates to a kind of assembled bridge pier anti-collision device. BACKGROUND

[0002] Bridge pier anti-collision is a kind of protection work for bridge pier, in modern life, in order to facilitate transportation, need to build bridge on highway or river, bridge pier is the important component structure of bridge, in order to ensure the safety of bridge pier, improve the safety performance of bridge pier, adopt bridge pier anti-collision structure to protect bridge pier, but the existing bridge pier anti-collision structure still has some shortcomings when using, anti-collision structure is mostly integrally formed, is not convenient to install and replace, and usually only rely on deformation energy absorption to buffer the impact force of ship. Such as the patent with the authorization announcement number CN215561866U discloses a kind of flexible anti-collision ship device for variable cross-section bridge pier, although it can be adjusted the interval of two groups of steel shell to adapt to variable cross-section bridge pier body, but it still uses deformation energy absorption to buffer the impact force of ship, when the impact ship is larger, still have a large amount of impact force transmission to bridge pier, thereby the anti-collision effect is poor. SUMMARY

[0003] An object of the present application is to provide an assembled bridge pier anti-collision device, which has simple structure and good anti-collision effect.

[0004] In order to achieve these objects and other advantages according to the present application, according to one aspect of the present application, an assembled bridge pier anti-collision device is provided, which comprises:

[0005] a bridge pier body;

[0006] A buffer assembly, shaped like a U-shape, is arranged around the outer periphery of the pier body. Multiple connecting rods are fixedly connected between the inner ring wall of the buffer assembly and the side wall of the pier body. The buffer assembly contains an annular cavity, within which multiple clamping mechanisms are installed. Each clamping mechanism includes parallel sliding rods, two fixed rods, and two clamping arms. One end of each fixed rod is perpendicularly fixed to the side wall of the cavity near the pier body, while the other end has a first rotating shaft rotatably mounted on its side wall. One end of the sliding rod slides through the buffer assembly and is perpendicularly connected to the side wall of the pier body via a first spring. Between the two fixed rods, the slide rod is rotatably provided with a second rotating shaft on the end side wall inside the buffer assembly. The two first rotating shafts and the second rotating shaft are parallel to each other and located on the same side of the clamping mechanism. Each clamping arm includes a first arm and a second arm with an obtuse angle fixedly connected. The second arm has an elongated hole, and the second rotating shaft slides through the elongated hole. The two clamping arms are symmetrically arranged, and the connection between the first arm and the second arm of each arm is rotatably sleeved on the two first rotating shafts. A clamping plate is provided on the side of the two first arms that are close to each other. An elastic limiting member is provided on the end side wall of the slide rod near the pier body.

[0007] Multiple sets of anti-collision components are located near the outer ring wall of the buffer component. Each set of anti-collision components is equipped with an anti-collision roller. The side wall of the roller is connected to an arc-shaped support plate. The outer side wall of the support plate is connected to an insert rod. The free end of the insert rod slides vertically through the outer ring wall and approaches any slide rod, and is clamped by two symmetrical clamps installed on the slide rod.

[0008] Preferably, the outer side wall of the support plate is provided with a first threaded hole, the end of the slide rod near the insertion rod is provided with a second threaded hole coaxially, and the two ends of the insertion rod are respectively provided with external threads, which are respectively matched and screwed into the first threaded hole and the second threaded hole.

[0009] Preferably, each anti-collision roller has two annular grooves on its sidewall, and each annular groove has an inwardly extending annular slide rail on its opposite sidewalls. Each support plate has two protruding ridges on its inner sidewall, and each protruding ridge has a vertically extending outward protruding edge on its opposite sidewalls, so that the longitudinal section of the protruding ridge has a convex shape. The two protruding ridges on any support plate can be matched and slidably accommodated into the two annular grooves of any anti-collision roller, and the protruding edges on both sides of the ridge can be matched and slidably accommodated into the two annular slide rails.

[0010] Preferably, one end of each first and second rotating shaft is rotatably connected to the side wall of the corresponding fixed rod and slide rod, respectively, and the other end is provided with a limit edge.

[0011] Preferably, the inner ring wall of the buffer assembly is made of steel, and the outer ring wall, top ring wall, bottom ring wall, and clamps on the multiple second arms of the buffer assembly are all made of rubber.

[0012] Preferably, the sliding rod is provided with a rectangular hole near the end of the pier body along the axis, the opposite two side walls of the end are oppositely provided with openings, the two openings are communicated with the rectangular hole, the elastic limiting piece comprises two parallel limiting plates, a second spring is connected between the side walls of the two limiting plates close to each other, the side walls far away from each other are provided with limiting blocks with triangular cross section, the two limiting plates and the second spring are all accommodated in the rectangular hole, the two limiting blocks are respectively extended out of the two openings, and the height of the limiting block gradually increases from the pier body to the buffer assembly.

[0013] Preferably, the first spring is connected with a fixed plate near the end of the pier body, and a fastening bolt is arranged on the fixed plate and fixedly connected with the pier body.

[0014] The assembly type bridge pier anti-collision device has the following beneficial effects: the anti-collision device has a reasonable structure, the plurality of anti-collision rollers are arranged, and when the anti-collision rollers are impacted, the anti-collision rollers roll, so that the direction of the impact force is changed, and the impact force on the bridge pier is effectively reduced; the buffer assembly is arranged to absorb the remaining impact force, and the anti-collision effect is improved.

[0015] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of one technical solution of the present application;

[0017] Figure 2 It is a connection structure schematic diagram of the anti-collision assembly and part of the buffer assembly in one technical solution of the present application;

[0018] Figure 3 It is a connection structure perspective view of the anti-collision assembly and part of the buffer assembly in one technical solution of the present application; Figure 2

[0019] Figure 4 It is a structural schematic diagram of any anti-collision roller in one technical solution of the present application;

[0020] Figure 5 It is a sectional structure schematic diagram of any supporting plate in one technical solution of the present application;

[0021] Figure 6 It is a structural schematic diagram of any sliding rod in one technical solution of the present application;

[0022] Figure 7 It is a structural schematic diagram of any elastic limiting piece in one technical solution of the present application. DETAILED DESCRIPTION​

[0023] The application will be further described in conjunction with the drawings and specific embodiments so that those skilled in the art can implement the application according to the description in the specification.

[0024] It should be understood that the terms such as "have", "contain" and "include" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0025] It should be noted that the experimental methods in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials can be obtained from commercial channels unless otherwise specified; in the description of the application, it should be noted that unless otherwise specifically specified and limited, the terms "mount", "connect", "set" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meanings of the above terms in the application can be understood according to the specific circumstances. The orientations or positional relationships indicated by the terms "transverse", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0026] As shown in Figures 1-5 The application provides a prefabricated bridge pier anti-collision device, which comprises:

[0027] a bridge pier body 100;

[0028] The buffer assembly 200 is a character-shaped structure, which is arranged around the outer periphery of the pier body 100. A plurality of connecting rods 201 are fixedly connected between the inner ring wall of the buffer assembly 200 and the side wall of the pier body 100. An annular cavity is arranged in the buffer assembly 200. A plurality of clamping mechanisms are installed in the cavity. Each clamping mechanism includes two clamping arms and two fixed rods 203 which are parallel to each other. One end of each fixed rod 203 is fixedly connected to the side wall of the cavity near the pier body 100. The other end is rotatably provided with a first rotating shaft 204. One end of the slide rod 202 slides out of the buffer assembly 200 and is connected to the side wall of the pier body 100 by a first spring 205. The slide rod 202 is located between the two fixed rods 203. The end of the slide rod 202 located in the buffer assembly 200 is rotatably provided with a second rotating shaft 206. The two first rotating shafts 204 and the second rotating shaft 206 are parallel to each other and located on the same side of the clamping mechanism. Each clamping arm includes a first arm 207 and a second arm 208 which are fixedly connected at an obtuse angle. A long slot 209 is formed in the second arm 208. The second rotating shaft 206 slides into the long slot 209. The two clamping arms are symmetrically arranged. The first arms 207 and the second arms 208 of the two clamping arms are rotatably sleeved on the two first rotating shafts 204, respectively. The first arms 207 are provided with clamping plates 210 on the side close to each other. The end of the slide rod 202 close to the pier body 100 is provided with an elastic limiting piece 211.

[0029] A plurality of anti-collision assemblies are arranged near the outer ring wall of the buffer assembly 200. Each anti-collision assembly is provided with an anti-collision roller 300. The side wall of the roller is connected with an arc-shaped supporting plate 301. The outer side wall of the supporting plate 301 is connected with a plug rod 302. The free end of the plug rod 302 is vertically slid through the outer ring wall close to any slide rod 202 and is clamped by two symmetric clamping plates 210 installed on the slide rod 202.

[0030] The assembly type bridge pier anti-collision device is characterized in that the buffer assembly 200 is sleeved on the outer periphery of the bridge pier body 100, a plurality of connecting rods 201 are fixedly connected between the inner ring wall of the buffer assembly 200 and the bridge pier body 100, a plurality of sets of clamping mechanisms are arranged in the buffer assembly 200, each set of clamping mechanism corresponds to a set of anti-collision assembly, each set of clamping mechanism comprises two fixed rods 203 and a sliding rod 202 which are parallel to each other and located in the same vertical plane, the sliding rod 202 is located between the two fixed rods 203, one end of the two fixed rods 203 is connected with the inner wall of the cavity close to the bridge pier body, a second rotating shaft 206 and two first rotating shafts 204 are rotationally arranged on the same side wall of the sliding rod 202 and the two fixed rods 203, the axes of the three rotating shafts are perpendicular to the side walls of the sliding rod 202 and the fixed rods 203, a clamping arm is arranged on the sliding rod 202 and any fixed rod 203, the clamping arm is composed of a first branch arm 207 and a second branch arm 208 with an obtuse angle, a long strip-shaped hole 209 is arranged on the second branch arm 208 in the extending direction, the long strip-shaped hole 209 is sleeved on the outer periphery of the second rotating shaft 206, a hole is arranged at the connection position of the first branch arm 207 and the second branch arm 208, the hole is sleeved on the outer periphery of the first rotating shaft 204, the two clamping arms are symmetrical to each other, and the first branch arms 207 of the two clamping arms are provided with clamping plates 210 on the sides close to each other. Each set of anti-collision assembly comprises an anti-collision roller 300, a supporting plate 301 arranged on one side of the anti-collision roller 300 and a plug rod 302, one end of the plug rod 302 is connected with the side wall of the supporting plate 301. The inner ring wall of the buffer assembly 200 is provided with a row of openings through which the plurality of sliding rods 202 slide, the outer ring wall is provided with a row of openings through which the plurality of plug rods 302 slide, and the openings on the two side walls correspond to each other, the free end of any plug rod 302 slides into the buffer assembly 200 through the opening and is close to one end of the sliding rod 202, the other end of the sliding rod 202 passes out of the buffer assembly 200 through the opening and is connected with the first spring 205, and the other end of the first spring 205 is connected with the bridge pier body 100. In the installation and use, the clamping mechanism and the buffer assembly 200 are assembled together in advance to form an assembly type structure, the buffer assembly 200 is sleeved on the outer periphery of the bridge pier body 100, the connecting rod 201 and the sliding rod 202 are fixedly connected with the bridge pier body 100 to fix the buffer assembly 200, the plug rod 302 of the plurality of anti-collision assemblies is inserted into the buffer assembly 200 through the opening in the outer ring wall of the buffer assembly 200 and abuts against the sliding rod 202, the anti-collision roller 300 and the plug rod 302 are vertically pressed, the sliding rod 202 is pushed to move towards the bridge pier body 100, the first spring 205 is compressed, the elastic limiting piece 211 moves out of the buffer assembly 200 and pops out of the sliding rod 202 to prevent the sliding rod 202 from moving reversely, meanwhile, the two clamping arms swing to make the two first branch arms 207 close to each other, the two clamping plates 210 clamp the plug rod 302 to fix the anti-collision assembly.When a ship moves towards the pier body 100, it first contacts the anti-collision roller 300, the anti-collision roller 300 rotates to turn the ship, and the remaining impact force pushes the insertion rod 302 to continue to slide towards the pier body 100, so that the supporting plate 301 abuts against the buffer assembly 200, the clamping plate 210 further clamps the insertion rod 302, and the first spring 205 and the outer side wall of the buffer assembly 200 are deformed to absorb energy and buffer the impact force. The application utilizes the anti-collision roller 300 to turn the impact force and unload the force, and utilizes the buffer assembly 200 to buffer the remaining impact force, so that the double effects improve the anti-collision effect; the installation of the plurality of anti-collision assemblies is convenient, the anti-collision assembly can be fixed by only inserting the insertion rod 302 into the buffer assembly 200, and the disassembly is also convenient, so that the buffer assembly 200 can be replaced conveniently and time and labor are saved.

[0031] In another technical solution, the outer side wall of the supporting plate 301 is provided with a first threaded hole, the end of the sliding rod 202 close to the insertion rod 302 is coaxially provided with a second threaded hole 303, and the two ends of the insertion rod 302 are provided with external threads and are matched and screwed with the first threaded hole and the second threaded hole 303 respectively. In the technical solution, the two ends of the insertion rod 302 are matched and screwed with the sliding rod 202 and the supporting plate 301 respectively, so that the installation and disassembly are convenient, and the connection stability of the insertion rod 302 and the sliding rod 202 is improved.

[0032] In another technical solution, the side wall of each anti-collision roller 300 is provided with two annular grooves 304, the opposite two side walls in each annular groove are provided with an annular sliding rail 305 extending inward, the inner side wall of each supporting plate 301 is provided with two convex edges 306, and the opposite two side walls of each convex edge 306 are provided with a convex edge 307 extending outward perpendicularly, so that the longitudinal section of the convex edge is in a convex structure, and the two convex edges on any supporting plate 301 are matched and slid and accommodated into the two annular grooves 304 of any anti-collision roller 300, and the convex edges 307 on the two sides are matched and slid and accommodated into the two annular sliding rails 305. In the technical solution, the matched annular grooves 304 and convex edges 306 are arranged, the anti-collision roller 300 can rotate freely in the supporting plate 301, and the convex edges are clamped in the annular sliding rails to prevent the anti-collision roller 300 from slipping off.

[0033] In another technical solution, one end of each first rotating shaft 204 and second rotating shaft 206 is perpendicularly and rotatably connected with the side wall of the corresponding fixed rod 203 and sliding rod 202, and the other end is provided with a limiting edge 212. In the technical solution, the limiting edge 212 is arranged to prevent the two clamping arms from slipping off.

[0034] In another technical scheme, the inner ring wall of the buffer assembly 200 is made of steel material 213, the outer ring wall, the ring top wall, the ring bottom wall of the buffer assembly 200 and the clamping plates 210 on the plurality of second supporting arms 208 are made of rubber material. In this technical scheme, the inner ring wall is made of hard steel material 213, which is beneficial to the sliding stability of the plurality of sliding rods 202 and prevents the sliding rod 202 from deviating, and the rest of the side walls are made of elastic rubber material, which improves the energy absorption of the buffer, and the clamping plates 210 are made of rubber material, which improves the fixing stability of the insertion rod 302.

[0035] In another technical scheme, the sliding rod 202 is provided with a rectangular hole near the end of the pier body 100 along the axis, and the two side walls opposite to the end are provided with openings 214. The two openings are in communication with the rectangular hole, the elastic limiting piece 211 includes two limiting plates 215 which are parallel to each other, the two limiting plates are connected with a second spring 216 between the side walls close to each other, and the side walls far away from each other are provided with limiting blocks 217 with triangular cross section. The two limiting plates and the second spring 216 are accommodated in the rectangular hole, and the two limiting blocks are respectively extended from the two openings 214, and the height of the limiting blocks gradually increases from the pier body 100 to the buffer assembly 200. In this technical scheme, in the normal state, the opening of the sliding rod 202 is located in the side wall opening of the buffer assembly 200, the second spring 216 is compressed, and the two limiting blocks 217 are limited in the rectangular hole. When the anti-collision roller 300 is installed, the insertion rod 302 is pushed to hit the sliding rod 202, so that the end of the sliding rod 202 slides out of the buffer assembly 200, the second spring 216 is elongated, and the two limiting blocks are extended from the opening. The end of the sliding rod 202 is prevented from sliding into the buffer assembly 200 in the reverse direction, so as to achieve the purpose of limiting.

[0036] In another technical scheme, each first spring 205 is connected with a fixing plate 218 near the end of the pier body 100, and a fastening bolt is arranged on the fixing plate 218 to be fixedly connected with the pier body 100. In this technical scheme, the fixing plate 218 is arranged to facilitate the fixed connection with the pier body 100.

[0037] Although the embodiments of the present application have been disclosed as above, they are not limited to the application and implementation listed in the specification and embodiments, and can be fully applied to various fields suitable for the present application, and additional modifications can be easily realized by those skilled in the art, and therefore the present application is not limited to specific details and the figures shown and described herein without departing from the general concept defined by the claims and the equivalent scope.

Claims

1. A prefabricated bridge pier anti-collision device, characterized in that, The utility model provides a bridge pier body, buffer assembly, multiple anticollision assemblies, buffer assembly is the back -shaped structure, surrounds the outer circumference of bridge pier body, and the inner ring wall of buffer assembly is fixedly connected with multiple connecting rods between the side wall of bridge pier body, and the inside of buffer assembly is provided with annular cavity, and multiple sets of clamping mechanisms are installed in the cavity, each set of clamping mechanism includes mutually parallel slide rod, two fixed rods and two clamping arms, and one end of each fixed rod is vertically fixedly connected with the side wall in the cavity near bridge pier body, and the other end side wall is rotatably provided with first rotation shaft, one end of slide rod slides and passes out buffer assembly and is connected with the side wall of bridge pier body through first spring, and slide rod is located between two fixed rods, and the end side wall of slide rod in buffer assembly is rotatably provided with second rotation shaft, and two first rotation shafts and second rotation shafts are mutually parallel and located on the same side of the set of clamping mechanism, and each clamping arm includes first branch and second branch that are fixedly connected and the included angle is obtuse, and the second branch is provided with long strip hole, and the second rotation shaft slides and passes in the long strip hole, and two clamping arms are symmetrically arranged, and the first branch and the second branch of two clamping arms are rotatably sleeved on two first rotation shafts respectively, and the side of two first branches close to each other is provided with clamping plate, and the end side wall of slide rod close to bridge pier body is provided with elastic limiting piece. Multiple anticollision assemblies are close to the outer ring wall of buffer assembly, and each anticollision assembly is provided with anticollision roller, the side wall of roller is connected with arc-shaped supporting plate, the outer side wall of supporting plate is connected with insertion rod, and the free end of insertion rod is vertically slidably passed through the outer ring wall close to any slide rod and is clamped by two symmetrical clamping plates mounted on the slide rod. The outer side wall of supporting plate is provided with first threaded hole, and the end of slide rod close to insertion rod is coaxially provided with second threaded hole, and the both ends of insertion rod are provided with external threads and are matched with first threaded hole and second threaded hole respectively. The side wall of each anticollision roller is provided with two annular grooves, and the opposite side walls in each annular groove are provided with inwardly extending annular slide rails, the inner side wall of each supporting plate is provided with two convex edges, and the opposite side walls of each convex edge are provided with outwardly extending convex edges, so that the longitudinal section of convex edge is in the shape of Chinese character Kui, and the two convex edges on any supporting plate are matched and slidably accommodated in the two annular grooves of any anticollision roller, and the convex edges on both sides of convex edge are matched and slidably accommodated in the two annular slide rails.

2. The assembled bridge pier anti-collision device according to claim 1, characterized in that, One end of each first rotation shaft and second rotation shaft is rotatably connected with the side wall of corresponding fixed rod and slide rod respectively, and the other end is provided with limiting edge.

3. The assembled bridge pier anti-collision device according to claim 1, characterized in that, The inner ring wall of buffer assembly is made of steel material, and the outer ring wall, ring top wall, ring bottom wall of buffer assembly and clamping plate on multiple second branches are made of rubber material.

4. The assembled bridge pier anti-collision device of claim 1, wherein, ​ 5. The assembled bridge pier anti-collision device according to claim 1, wherein, ​ 6. The assembled bridge pier anti-collision device of claim 1, wherein, The end of the slide rod close to the pier body is provided with a rectangular hole along the axis, and two opposite side walls of the end are oppositely provided with openings, the two openings are communicated with the rectangular hole, the elastic limiting piece comprises two parallel limiting plates, the side walls close to each other of the two limiting plates are connected with a second spring, the side walls far away from each other are provided with limiting blocks with triangular cross sections, the two limiting plates and the second spring are accommodated in the rectangular hole, the two limiting blocks respectively extend out of the two openings, and the height of the limiting block gradually increases from the pier body to the buffer assembly.

7. The assembled bridge pier anti-collision device according to claim 1, wherein, Each first spring is connected with a fixed plate close to the end of the pier body, and a fastening bolt is arranged on the fixed plate and fixedly connected with the pier body.

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