阅读说明：本技术 一种山区桥梁桥墩防滚石柔性防撞设施 (Flexible anti-collision facility for rock rolling prevention of bridge pier of mountain bridge ) 是由 张燕玲 马艳芳 刘忠阳 马俊涛 李兆霖 于 2019-10-23 设计创作，主要内容包括：本发明公开了一种山区桥梁桥墩防滚石柔性防撞设施,包括桥墩、下卡箍一、下固定螺栓、下卡箍二、内卡圈、固定螺钉一、固定环体、凹槽、滚轮、活动环体、固定螺钉二、固定盘体、凸起、导槽、上卡箍一、上固定螺栓、上卡箍二和缓冲组件；本发明具有结构合理简单、生产成本低、安装方便,功能齐全,这里设置的内卡圈、固定环体和活动环体均为对半结构,从而便于通过螺钉直接组装固定到桥墩上进行使用,另外也给后期维护更换带来了很大的便利；本发明中设置的拱形钢板一和拱形钢板二,能够通过其受力变形以及缓冲弹簧的作用进行防护,从而确保了桥墩的安全,另外受力变形后的拱形钢板也就便于进行更换以保证长期防护的效果。(The invention discloses a flexible anti-rock collision facility for bridge piers of mountainous bridges, which comprises bridge piers, a first lower clamp, a first lower fixing bolt, a second lower clamp, an inner clamp ring, a first fixing screw, a fixing ring body, a groove, a roller, a movable ring body, a second fixing screw, a fixing disc body, a protrusion, a guide groove, a first upper clamp, an upper fixing bolt, a second upper clamp and a buffer assembly, wherein the first lower clamp is fixed on the upper clamp; the bridge pier has the advantages that the structure is reasonable and simple, the production cost is low, the installation is convenient, the functions are complete, and the inner clamping ring, the fixed ring body and the movable ring body which are arranged in the bridge pier are of half-and-half structures, so that the bridge pier is convenient to directly assemble and fix on the bridge pier through screws for use, and in addition, great convenience is brought to later maintenance and replacement; the first arched steel plate and the second arched steel plate are arranged in the bridge pier, and can be protected under the action of stress deformation and the buffer spring, so that the safety of the bridge pier is ensured, and in addition, the arched steel plates after stress deformation can be conveniently replaced, so that the long-term protection effect is ensured.)

1. The utility model provides a flexible anticollision facility of rolling stone of mountain area bridge pier, includes pier (1), its characterized in that: the clamping device is characterized by also comprising a first lower clamp (2), a lower fixing bolt (3), a second lower clamp (4), an inner clamp (5), a first fixing screw (6), a fixing ring body (7), a groove (8), a roller (9), a movable ring body (10), a second fixing screw (11), a fixing disc body (12), a protrusion (13), a guide groove (14), a first upper clamp (15), an upper fixing bolt (16), a second upper clamp (17) and a buffer component (18);

the lower hoop I (2) and the lower hoop II (4) are fixedly connected to the outer part of the lower side of the pier (1) through lower fixing bolts (3);

the number of the fixed ring bodies (7) is multiple, the fixed ring bodies (7) are located on the upper sides of the lower clamp I (2) and the lower clamp II (4), the fixed ring bodies (7) are vertically arranged, and the inner sides of the fixed ring bodies are connected with the outer portion of the pier (1);

the fixing ring bodies (7) are arranged vertically and fixedly connected to the outer parts of the corresponding fixing ring bodies (7) through a plurality of fixing screws I (6), a plurality of grooves (8) are uniformly formed in the outer circles of the fixing ring bodies (7), and annular protrusions (13) are arranged at the tops of the fixing ring bodies (7);

the grooves (8) are movably connected with rollers (9);

the number of the movable ring bodies (10) is multiple, the movable ring bodies (10) are respectively movably connected to the outer parts of the corresponding fixed ring bodies (7), the inner side surfaces of the movable ring bodies (10) are respectively connected with the outer side surfaces of the corresponding rollers (9), the tops of the movable ring bodies (10) are respectively fixedly connected with a fixed disc body (12) through second fixing screws (11), and a buffer assembly (18) is arranged on the outer part of each movable ring body (10);

annular guide grooves (14) are formed in the inner sides of the bottom surfaces of the fixed disc bodies (12), and the guide grooves (14) are movably connected to the corresponding bulges (13) respectively;

go up clamp (15) and last clamp two (17) and be located fixed disk body (12) upside of the top, go up clamp (15) and last clamp two (17) through last fixing bolt (16) fixed connection on pier (1).

2. The flexible anti-roll stone collision facility for bridge piers of mountainous areas as claimed in claim 1, wherein: the inner side surface of the inner clamping ring (5) is matched with the outer side surface of the pier (1).

3. The flexible anti-roll stone collision facility for bridge piers of mountainous areas as claimed in claim 1, wherein: the inner clamping ring (5) is formed by combining two half inner clamping rings.

4. The flexible anti-roll stone collision facility for bridge piers of mountainous areas as claimed in claim 1, wherein: the fixed ring body (7) comprises a first half clamping ring body (71), a first positioning groove (72), a first clamping block (72), a first locking screw (74) and a second half clamping ring body (75);

the two side end parts of the first half clamping ring body (71) and the second half clamping ring body (75) are respectively provided with a first positioning groove (72) and a first clamping block (72);

the first clamping blocks (72) are fixedly connected with the corresponding first positioning grooves (72) through first locking screws (74).

5. The flexible anti-roll stone collision facility for bridge piers of mountainous areas as claimed in claim 1, wherein: the movable ring body (10) comprises a first half outer ring body (101), a second positioning groove (102), a second clamping block (103), a second locking screw (104) and a second half outer ring body (105);

two side end parts of the first half outer ring body (101) and the second half outer ring body (105) are respectively provided with a second positioning groove (102) and a second clamping block (103);

and the second fixture blocks (103) are fixedly connected with the corresponding second positioning grooves (102) through second locking screws (104).

6. The flexible anti-roll stone collision facility for bridge piers of mountainous areas as claimed in claim 1, wherein: the buffering assembly (18) comprises a first arched steel plate (181), a first buffering spring (182), a second arched steel plate (183), a third fixing screw (184) and a second buffering spring (185);

the first arched steel plates (181) are a plurality of, and the first arched steel plates (181) are fixedly connected to the outer circumferential surface of the movable ring body (10) through third fixing screws (184) and second arched steel plates (183);

the buffer springs (182) are arranged in a plurality, and the buffer springs (182) are respectively arranged between the inner sides of the corresponding arched steel plates (181) and the outer circular surface of the movable ring body (10);

the buffer springs II (185) are multiple, and the buffer springs II (185) are respectively arranged between the inner sides of the corresponding arched steel plates II (183) and the outer circular surface of the movable ring body (10).

7. The flexible anti-roll stone collision facility for bridge piers of mountainous areas and bridges as claimed in claim 6, wherein: and the outer surfaces of the first arched steel plate (181) and the second arched steel plate (183) are respectively provided with antirust paint.

8. The flexible anti-roll stone collision facility for bridge piers of mountainous areas and bridges as claimed in claim 6, wherein: and warning reflecting layers are arranged on the outer surfaces of the first arched steel plate (181) and the second arched steel plate (183).

Technical Field

The invention relates to the technical field of mountainous bridges, in particular to a flexible anti-roll stone anti-collision facility for a bridge pier of a mountainous bridge.

Background

Bridges are important components in highway construction. The highway bridge in the mountainous area is mainly used by matching light piers such as column piers, solid thin-wall piers and hollow thin-wall piers with pile foundations, and compared with gravity type piers, the light piers are weaker in impact resistance and impact resistance, particularly the column piers and the hollow thin-wall piers, and in engineering, the two piers are damaged by impact of rolling stones. In order to prevent the bridge pier from being damaged due to the collision of rolling stones, and further influence the bearing capacity and durability of the bridge pier, the design of the anti-rolling stones of the bridge pier becomes one of the links which need to be considered in the mountain bridge design; at present, collision avoidance research of bridge piers mostly focuses on collision research between ships and bridges or collision research between vehicles and bridges, but the collision research between rolling stones and bridges involves little; the bridge pier rolling stone prevention facilities of the mountain highway bridge are mainly divided into two types, one type is that the anti-collision facilities and a bridge pier structure are integrated, namely rubber materials or foamed aluminum materials are wrapped outside the bridge pier, but the rubber and foamed aluminum materials are expensive, easy to age, poor in durability, high in later-stage maintenance cost and poor in anti-collision capacity; the other type is an anti-collision facility separated from the bridge pier, the anti-collision facility is independent from the bridge pier and is used for blocking rolling stones, falling stones and the like, although the anti-collision facility can block the rolling stones from contacting the bridge pier, the anti-collision facility occupies a large area, has large engineering quantity and inconvenient construction, is particularly easy to block the bottom of a ditch, can only block the rolling stones in a single direction generally, and is difficult to realize omnibearing protection.

Disclosure of Invention

The invention aims to solve the problems, provide a flexible anti-rolling stone anti-collision facility for a bridge pier of a bridge in a mountainous area, and solve the problems of poor omnibearing anti-collision capability and difficult later maintenance of the conventional anti-collision facility.

In order to solve the above problems, the present invention provides a technical solution: the utility model provides a flexible anticollision facility of rolling stone of mountain area bridge pier, includes the pier, and its innovation point lies in: the clamping device further comprises a lower clamp I, a lower fixing bolt, a lower clamp II, an inner clamping ring, a fixing screw I, a fixing ring body, a groove, a roller, a movable ring body, a fixing screw II, a fixing disc body, a protrusion, a guide groove, an upper clamp I, an upper fixing bolt, an upper clamp II and a buffer assembly; the lower hoop I and the lower hoop II are fixedly connected to the outer part of the lower side of the pier through lower fixing bolts; the fixed ring bodies are arranged vertically, and the inner sides of the fixed ring bodies are connected with the outer part of the pier; the fixed ring bodies are vertically arranged and fixedly connected to the outer parts of the corresponding fixed ring bodies through a plurality of fixing screws I, a plurality of grooves are uniformly formed in the outer circle of each fixed ring body, and annular bulges are arranged at the tops of the fixed ring bodies; the grooves are movably connected with rollers; the movable ring bodies are a plurality of and are respectively movably connected to the outer parts of the corresponding fixed ring bodies, the inner side surfaces of the movable ring bodies are all connected with the outer side surfaces of the corresponding rollers, the tops of the movable ring bodies are all fixedly connected with fixed disc bodies through two fixing screws, and the outer parts of the movable ring bodies are provided with buffer assemblies; annular guide grooves are formed in the inner sides of the bottom surfaces of the fixed tray bodies and are movably connected to the corresponding bulges respectively; go up clamp one and last clamp two and be located the fixed disk body upside of the top, go up clamp one and last clamp two through last fixing bolt fixed connection on the pier.

Preferably, the inner side face of the inner retainer ring is matched with the outer side face of a pier.

Preferably, the inner collar is formed by combining two half inner clips.

Preferably, the fixed ring body comprises a first half clamping ring body, a first positioning groove, a first clamping block, a first locking screw and a second half clamping ring body; the two side end parts of the first half clamping ring body and the second half clamping ring body are respectively provided with a first positioning groove and a first clamping block; the first clamping blocks are fixedly connected with the corresponding first positioning grooves through the first locking screws.

Preferably, the movable ring body comprises a first half outer ring body, a second positioning groove, a second clamping block, a second locking screw and a second half outer ring body in a specific structure; the end parts of the two sides of the first half outer ring body and the second half outer ring body are respectively provided with a second positioning groove and a second clamping block; and the second clamping blocks are fixedly connected with the corresponding second positioning grooves through second locking screws.

Preferably, the specific structure of the buffer assembly comprises a first arched steel plate, a first buffer spring, a second arched steel plate, a third fixing screw and a second buffer spring; the first arched steel plates are fixedly connected to the outer circular surface of the movable ring body through third fixing screws and second arched steel plates; the buffer springs are respectively arranged between the inner side of the corresponding arched steel plate and the outer circular surface of the movable ring body; the buffer springs II are arranged between the inner sides of the two corresponding arched steel plates and the outer circular surface of the movable ring body respectively.

Preferably, the exterior surfaces of the first arched steel plate and the second arched steel plate are both provided with antirust paint.

Preferably, the outer surfaces of the first arched steel plate and the second arched steel plate are both provided with warning reflective layers.

The invention has the beneficial effects that:

(1) the bridge pier has the advantages of reasonable and simple structure, low production cost, convenience in installation and complete functions, and the inner retainer ring, the fixed ring body and the movable ring body are in half-and-half structures, so that the bridge pier is convenient to assemble and fix on a bridge pier through screws for use, and in addition, great convenience is brought to later maintenance and replacement.

(2) The first arched steel plate and the second arched steel plate are arranged in the bridge pier, and can be protected under the action of stress deformation and the buffer spring, so that the safety of the bridge pier is ensured, and in addition, the arched steel plates after stress deformation can be conveniently replaced, so that the long-term protection effect is ensured.

(3) The rollers arranged in the anti-collision device can ensure that the buffer assembly rotates when the anti-collision device is impacted by the mountain rocks, so that the impacting direction is changed to ensure the safety of a pier, and the protection effect of the mountain rocks in different directions is met.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top cross-sectional view of the present invention.

Fig. 3 is a partially enlarged view of fig. 2.

1-bridge pier; 2, clamping a first lower hoop; 3-lower fixing bolts; 4, a second lower clamp; 5-an inner collar; 6, fixing the first screw; 7-a stationary ring body; 8-a groove; 9-a roller; 10-a movable ring body; 11-fixing a second screw; 12-a fixed tray; 13-a bump; 14-a guide groove; 15-clamping the first upper hoop; 16-upper fixing bolt; 17-mounting a second hoop; 18-a cushioning component; 71-half clasp body one; 72-positioning the groove I; 72-a first clamping block; 74-locking screw one; 75-half clasp body two; 101-half outer ring body one; 102-positioning groove two; 103-fixture block two; 104-locking screw II; 105-half outer ring body two; 181-arched steel plate one; 182-a first buffer spring; 183-arched steel plate two; 184-fixing screw III; 185-buffer spring.

Detailed Description

As shown in fig. 1 to 3, the following technical solutions are adopted in the present embodiment: a flexible anti-rock collision facility for bridge piers of mountainous bridges comprises bridge piers 1, a lower clamp I2, a lower fixing bolt 3, a lower clamp II 4, an inner clamp 5, a fixing screw I6, a fixing ring body 7, a groove 8, a roller 9, a movable ring body 10, a fixing screw II 11, a fixing disc body 12, a protrusion 13, a guide groove 14, an upper clamp I15, an upper fixing bolt 16, an upper clamp II 17 and a buffer component 18; the lower hoop I2 and the lower hoop II 4 are fixedly connected to the outer part of the lower side of the pier 1 through a lower fixing bolt 3; the number of the fixed ring bodies 7 is multiple, the fixed ring bodies 7 are located on the upper sides of the lower clamp I2 and the lower clamp II 4, the fixed ring bodies 7 are vertically arranged, and the inner sides of the fixed ring bodies 7 are connected with the outer portion of the pier 1; the fixed ring bodies 7 are arranged vertically and fixedly connected to the outer parts of the corresponding fixed ring bodies 7 through a plurality of fixing screws I6, a plurality of grooves 8 are uniformly formed in the outer circles of the fixed ring bodies 7, and annular protrusions 13 are formed in the tops of the fixed ring bodies 7; the grooves 8 are movably connected with rollers 9; the number of the movable ring bodies 10 is multiple, the movable ring bodies 10 are respectively movably connected to the outer parts of the corresponding fixed ring bodies 7, the inner side surfaces of the movable ring bodies 10 are respectively connected with the outer side surfaces of the corresponding rollers 9, the tops of the movable ring bodies 10 are respectively fixedly connected with a fixed disc body 12 through second fixing screws 11, and a buffer assembly 18 is arranged on the outer part of the movable ring body 10; annular guide grooves 14 are formed in the inner sides of the bottom surfaces of the fixed tray bodies 12, and the guide grooves 14 are movably connected to the corresponding bulges 13 respectively; go up clamp 15 and last clamp two 17 and be located the fixed disk body 12 upside of the top, go up clamp 15 and last clamp two 17 through last fixing bolt 16 fixed connection on pier 1.

Wherein the inner side surface of the inner retainer ring 5 is matched with the outer side surface of the pier 1; the inner clamping ring 5 is formed by combining two half inner clamping rings.

The fixed ring body 7 comprises a first half clamping ring body 71, a first positioning groove 72, a first clamping block 72, a first locking screw 74 and a second half clamping ring body 75 in a specific structure; the two side end parts of the first half clamping ring body 71 and the second half clamping ring body 75 are respectively provided with a first positioning groove 72 and a first clamping block 72; the first clamping blocks 72 are fixedly connected with the corresponding first positioning grooves 72 through first locking screws 74.

The movable ring body 10 comprises a first semi-outer ring body 101, a second positioning groove 102, a second clamping block 103, a second locking screw 104 and a second semi-outer ring body 105; two side end parts of the first half outer ring body 101 and the second half outer ring body 105 are respectively provided with a second positioning groove 102 and a second clamping block 103; the second fixture blocks 103 are fixedly connected with the corresponding second positioning grooves 102 through second locking screws 104.

The specific structure of the buffer assembly 18 includes a first arched steel plate 181, a first buffer spring 182, a second arched steel plate 183, a third fixing screw 184 and a second buffer spring 185; the first arched steel plates 181 are a plurality of, and the first arched steel plates 181 are fixedly connected to the outer circumferential surface of the movable ring body 10 through third fixing screws 184 and second arched steel plates 183; the buffer springs 182 are arranged in a plurality, and the buffer springs 182 are respectively arranged between the inner sides of the corresponding arched steel plates 181 and the outer circular surface of the movable ring body 10; the second buffer springs 185 are plural, and the second buffer springs 185 are respectively arranged between the inner sides of the corresponding second arched steel plates 183 and the outer circumferential surface of the movable ring body 10.

The outer surfaces of the first arched steel plate 181 and the second arched steel plate 183 are respectively provided with antirust paint; and the outer surfaces of the first arched steel plate 181 and the second arched steel plate 183 are provided with warning reflective layers.

The using state of the invention is as follows: the invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, the inner clamping ring 5, the fixed ring body 7 and the movable ring body 10 are in half-and-half structures, thereby being convenient for being directly assembled and fixed on the pier 1 by screws for use, and in addition, bringing great convenience for later maintenance and replacement, the first arched steel plate 181 and the second arched steel plate 183 are arranged to be protected by the deformation of the first arched steel plate and the second arched steel plate under the action of the buffer spring, thereby ensuring the safety of the pier 1, and the arched steel plate after being stressed and deformed is convenient to replace to ensure the long-term protection effect, the rollers 9 can ensure that the buffer component 18 rotates when the anti-collision facility is impacted by the mountain rocks, thereby the direction of striking has been changed in order to ensure pier 1's safety, has just also satisfied the protective effect when not equidirectional mountain stone strikes.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.