Pier anti-collision device capable of changing stress direction through rolling type cylinder

Abstract

The utility model provides a bridge pier anti-collision device capable of changing the stress direction through a rolling type cylinder, and relates to the technical field of bridge pier protection.The bridge pier anti-collision device comprises a bridge pier, supporting bases and a cylinder, the supporting bases are arranged above and below the bridge pier, a sliding rod is arranged at the edge between the two supporting bases, and sliding sleeves are slidably arranged at the upper end and the lower end of the outer side of the sliding rod; linkage arms are rotationally arranged on one sides of the sliding sleeves at the upper end and the lower end; mounting seats are rotationally arranged at one ends of the linkage arms at the upper end and the lower end, a rotating shaft is connected between the two mounting seats, and the cylinder is rotationally arranged on the outer side of the rotating shaft; the sliding rods are arranged around the bridge pier by a circle, the cylinders are installed through the sliding rods, when the device is impacted, deformation of the cylinders is subjected to first stress, then the cylinders are extruded inwards, linkage arms at the upper end and the lower end rotate, sliding sleeves at the upper end and the lower end are pushed to move on the sliding rods, springs are extruded, and therefore impact force is distributed to the top and the bottom of the bridge pier; therefore, the force is dispersed, and the pier is prevented from being directly impacted.

Description

Technical Field

[0001] The present invention relates to the technical field of pier protection, and particularly relates to a pier anti-collision device that changes the force direction through a rolling cylinder. Background Art

[0002] A pier is a structure that supports the bridge span structure and transmits the dead load and vehicle live load to the foundation. The abutments are located on both sides of the bridge, and the piers are between the two abutments. The function of the pier is to support the bridge span structure. In addition to supporting the bridge span structure, the abutment also needs to connect with the embankment and prevent the embankment from slipping. To protect the abutment and the embankment filling, some protection and diversion projects are often done on both sides of the abutment; currently, for vehicle collisions, the common pier protection can be divided into two categories: direct structure and indirect structure. Among them, the direct structure means that the protection device is directly constructed on the protected pier. After the impact occurs, the impact force acts directly on the protected pier through the protection device, while the indirect structure means that the protection device is not directly connected to the protected bridge, and the impact force does not directly act on the protected bridge. For both types of protection, although they can achieve structural protection to a certain extent, they also have certain defects respectively. For the protection device with an indirect structure, the impact force during a collision can be absorbed by the protection device and will not act on the protected pier, which has a strong protection effect on the pier. However, there is often a certain distance between the protection device with an indirect structure and the protected pier, which makes it occupy a large amount of space and the maintenance work amount is often large;

[0003] The protection device with a direct structure is usually directly constructed on the protected pier and is mainly divided into three types: elastic deformation type, crushing (plastic) deformation type, and displacement type. In the prior art, the most commonly used is the elastic deformation type protection device. After being impacted, the elastic deformation type protection device is extruded and deformed by itself to unload the force. This type of device is generally suitable for impacts with relatively small energy and lacks a guiding function. Once the impact exceeds its elastic deformation range, the pier will be directly impacted. Therefore, the present invention proposes a pier anti-collision device that changes the force direction through a rolling cylinder to solve the problems existing in the prior art. Summary of the Invention

[0004] In view of the above problems, the present invention proposes a pier anti-collision device that changes the force direction through a rolling cylinder. The pier anti-collision device that changes the force direction through a rolling cylinder diverts the impact force to the top and bottom of the pier, thereby dispersing the force and avoiding the pier being directly impacted.

[0005] To achieve the object of the present invention, the present invention is realized through the following technical solutions: A pier anti-collision device that changes the force direction by a rolling cylinder, comprising a pier, a support seat, and a cylinder. Support seats are provided above and below the pier, and slide bars are provided at the edges between the two groups of support seats. Slide sleeves are slidably provided at the upper and lower ends of the outer side of the slide bars, and linkage arms are rotatably provided at one side of the slide sleeves at the upper and lower ends;

[0006] Mounting seats are rotatably provided at one ends of the linkage arms at the upper and lower ends. A rotating shaft is connected between the two groups of mounting seats. The cylinder is rotatably provided outside the rotating shaft. Springs are sleeved at the upper and lower ends of the outer side of the rotating shaft, and the springs are located between the slide sleeve and the support seat.

[0007] Further improvement lies in that: At least eight groups of slide bars are provided, and the eight groups of slide bars are arranged at equal angles around the center of the pier.

[0008] Further improvement lies in that: A first hinge seat is provided on one side of the slide sleeve, a second hinge seat is provided on the mounting seat, and both ends of the linkage arm are rotatably connected to the first hinge seat and the second hinge seat respectively.

[0009] Further improvement lies in that: The cylinder is a soft shell, and a soft rubber is coated on the outer side of the soft shell. A through groove for the rotating shaft to pass through is provided at the middle position inside the cylinder.

[0010] Further improvement lies in that: A receiving cavity is provided inside the cylinder, and a thermally expandable sponge is filled in the receiving cavity. Vent holes are provided at the bottom of the cylinder.

[0011] Further improvement lies in that: A reset block is provided at the middle position on the slide bar, and the inner end of the reset block is fixedly connected to the pier. An installation groove is provided at the outer end of the reset block, and limiting plates are rotatably provided on both sides inside the installation groove.

[0012] Further improvement lies in that: The limiting plates inside the reset block are in an "eight" shape, and the cylinder is located between the limiting plates on both sides.

[0013] Further improvement lies in that: Arc-shaped grooves are provided on both sides at the top inside the limiting plates, protrusions are provided at one ends of the tops of the limiting plates on both sides, and the protrusions on both sides extend into the arc-shaped grooves on both sides respectively. A spring chain is connected between one side inside the protrusion and the arc-shaped groove.

[0014] Further improvement lies in that: The upper and lower ends of the rotating shaft respectively extend into the interiors of the support seats at the upper and lower ends. A reinforcement cavity is provided inside the support seat. Fixing plates are provided at the upper and lower ends of the rotating shaft, and the fixing plates are fixed inside the reinforcement cavity.

[0015] A further improvement lies in that: the fixed plate is a stainless steel plate, and a filling cavity is provided inside the fixed plate, and reinforcing ribs are filled inside the filling cavity.

[0016] The beneficial effects of the present invention are as follows:

[0017] 1. The present invention arranges sliding rods around the pier, uses the sliding rods to install the cylinder. When being impacted, the deformation of the cylinder undergoes the first stage of force bearing. Then the cylinder is squeezed inward, causing the linkage arms at the upper and lower ends to rotate, pushing the sliding sleeves at the upper and lower ends to move on the sliding rods, squeezing the springs, thereby diverting the impact force to the top and bottom of the pier, thus dispersing the force and preventing the pier from being directly impacted.

[0018] 2. The present invention is provided with a reset block. By using the two groups of rotating limiting plates in the reset block to limit the cylinder on both sides in a shape like an eight, when the cylinder is squeezed inward, the two groups of limiting plates rotate outward. When the cylinder is squeezed to one side, one side of the limiting plate can rotate outward. When the limiting plate rotates, the protrusion moves in the arc-shaped groove, squeezing the spring chain to buffer the impact force, with a better protection effect. Subsequently, during the process of the spring chain pushing the protrusion and the limiting plate to reset, the cylinder can be driven to reset, with diverse functions.

[0019] 3. The cylinder of the present invention is internally provided with heat-expandable sponge and vent holes. When the cylinder is squeezed and deformed, the heat-expandable sponge expands due to heat, which can squeeze the cylinder to restore its original state, facilitating maintenance. Description of the Drawings

[0020] Figure 1 It is the front view of the present invention;

[0021] Figure 2 It is the schematic diagram of the structure on the sliding rod of the present invention;

[0022] Figure 3 It is the schematic diagram of the cylinder of the present invention;

[0023] Figure 4 It is the schematic diagram of the reset block of the present invention;

[0024] Figure 5 It is the schematic diagram of the arc-shaped groove of the present invention;

[0025] Figure 6 It is the installation schematic diagram of the rotating shaft and the support seat of the present invention.

[0026] Wherein: 1. Pier; 2. Support seat; 3. Cylinder; 4. Sliding rod; 5. Sliding sleeve; 6. Linkage arm; 7. Mounting seat; 8. Rotating shaft; 9. Spring; 10. First hinge seat; 11. Second hinge seat; 12. Heat-expandable sponge; 13. Reset block; 14. Limiting plate; 15. Installation groove; 16. Arc-shaped groove; 17. Protrusion; 18. Spring chain; 19. Vent hole; 20. Fixed plate; 21. Reinforcing rib. Detailed implementation manners

[0027] To deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments. These embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention. Embodiment

[0028] According to Figure 1 、 2 As shown in FIGS. 3, 4, 5, and 6, this embodiment provides a pier anti-collision device that changes the force direction through a rolling cylinder, including a pier 1, a support base 2, and a cylinder 3. Support bases 2 are provided above and below the pier 1, and a slide bar 4 is provided at the edge between the two groups of support bases 2. Sliding sleeves 5 are slidably provided at the upper and lower ends of the outer side of the slide bar 4, and linkage arms 6 are rotatably provided on one side of the sliding sleeves 5 at the upper and lower ends.

[0029] Mounting seats 7 are rotatably provided at one ends of the linkage arms 6 at the upper and lower ends. A rotating shaft 8 is connected between the two groups of mounting seats 7. The cylinder 3 is rotatably provided outside the rotating shaft 8. Springs 9 are sleeved at the upper and lower ends of the outer side of the rotating shaft 8, and the springs 9 are located between the sliding sleeves 5 and the support bases 2. When in use, the slide bar 4 is arranged in a circle around the pier 1, and the cylinder 3 is installed by using the slide bar 4. When being impacted, the deformation of the cylinder 3 undergoes the first stage of force bearing. Then, the cylinder 3 is squeezed and moves inward, causing the linkage arms 6 at the upper and lower ends to rotate, pushing the sliding sleeves 5 at the upper and lower ends to move on the slide bar 4, and squeezing the springs 9, thereby diverting the impact force to the top and bottom of the pier 1, and thus dispersing the force to avoid the pier 1 being directly impacted.

[0030] Eight groups of the slide bars 4 are provided, and the eight groups of slide bars 4 are arranged at equal angular intervals around the center of the pier 1 for multi-directional protection. A first hinge seat 10 is provided on one side of the sliding sleeve 5, a second hinge seat 11 is provided on the mounting seat 7, and the two ends of the linkage arm 6 are respectively rotatably connected to the first hinge seat 10 and the second hinge seat 11. When being impacted, the deformation of the cylinder 3 undergoes the first stage of force bearing. Then, the cylinder 3 is squeezed and moves inward, causing the linkage arms 6 at the upper and lower ends to rotate, pushing the sliding sleeves 5 at the upper and lower ends to move on the slide bar 4, and squeezing the springs 9, thereby diverting the impact force to the top and bottom of the pier 1, and thus dispersing the force.

[0031] The cylinder 3 is a soft shell, and a soft rubber is coated on the outer side of the soft shell. A through groove for the rotating shaft 8 to pass through is provided at the middle position inside the cylinder 3. An accommodation cavity is provided inside the cylinder 3, and a heat-expandable sponge 12 is filled in the accommodation cavity. An air vent 19 is provided at the bottom of the cylinder 3. The heat-expandable sponge 12 is arranged inside the cylinder 3, and the air vent 19 allows air to pass through. When the cylinder 3 is squeezed and deformed, the heat-expandable sponge 12 expands due to heat, which can squeeze the cylinder 3 to recover, facilitating maintenance.

[0032] A reset block 13 is provided at the middle position on the sliding rod 4, and the inner end of the reset block 13 is fixedly connected to the pier 1. An installation groove 15 is provided at the outer end of the reset block 13, and limiting plates 14 are rotatably provided on both sides inside the installation groove 15. The limiting plates 14 inside the reset block 13 are in an "eight" shape, and the cylinder 3 is located between the limiting plates 14 on both sides. Arc-shaped grooves 16 are provided on both sides at the top inside the limiting plates 14, and protrusions 17 are provided at one end of the tops of the limiting plates 14 on both sides. The protrusions 17 on both sides extend into the arc-shaped grooves 16 on both sides respectively, and a spring chain 18 is connected between one side inside the protrusions 17 and the arc-shaped grooves 16. When in use, the two groups of rotatable limiting plates 14 in the reset block 13 are used to limit the cylinder 3 on both sides in an "eight" shape. When the cylinder 3 is squeezed and moved inward, the two groups of limiting plates 14 rotate outward. When the cylinder 3 is squeezed to one side, one of the limiting plates 14 can rotate outward. When the limiting plate 14 rotates, the protrusion 17 moves in the arc-shaped groove 16, squeezing the spring chain 18 to buffer the impact force, and the protection effect is better. Subsequently, during the process of the spring chain 18 pushing the protrusion 17 and the limiting plate 14 to reset, the cylinder 3 can be driven to reset. Embodiment

[0033] According to Figure 1 、 2 As shown in Figures 3, 4, 5, and 6, this embodiment proposes a pier anti-collision device that changes the force direction through a rolling cylinder, including a pier 1, a support base 2, and a cylinder 3. Support bases 2 are provided above and below the pier 1, and a sliding rod 4 is provided at the edge between the two groups of support bases 2. Sliding sleeves 5 are slidably provided at the upper and lower ends outside the sliding rod 4, and linkage arms 6 are rotatably provided on one side of the sliding sleeves 5 at the upper and lower ends.

[0034] Installation seats 7 are rotatably provided at one end of the linkage arms 6 at the upper and lower ends, a rotating shaft 8 is connected between the two groups of installation seats 7, the cylinder 3 is rotatably provided outside the rotating shaft 8, and springs 9 are sleeved at the upper and lower ends outside the rotating shaft 8, and the springs 9 are located between the sliding sleeves 5 and the support bases 2. When in use, the sliding rod 4 is arranged around the pier 1 in a circle, and the cylinder 3 is installed by using the sliding rod 4. When being impacted, the deformation of the cylinder 3 undergoes the first stage of force bearing. Then, the cylinder 3 is squeezed and moved inward, causing the linkage arms 6 at the upper and lower ends to rotate, pushing the sliding sleeves 5 at the upper and lower ends to move on the sliding rod 4, squeezing the springs 9, thereby diverting the impact force to the top and bottom of the pier 1, and thus dispersing the force to avoid the pier 1 being directly impacted.

[0035] There are eight groups of the sliding rods 4, and the eight groups of the sliding rods 4 are arranged at equal angles around the center of the bridge pier 1. For multi-directional protection. One side of the sliding sleeve 5 is provided with a first hinge seat 10, the mounting seat 7 is provided with a second hinge seat 11, and both ends of the linkage arm 6 are rotatably connected to the first hinge seat 10 and the second hinge seat 11 respectively. When impacted, the deformation of the cylinder 3 undergoes the first stage of force bearing. Then the cylinder 3 is extruded and moves inward, causing the linkage arms 6 at the upper and lower ends to rotate, pushing the sliding sleeves 5 at the upper and lower ends to move on the sliding rods 4, squeezing the springs 9, thereby diverting the impact force to the top and bottom of the bridge pier 1, and thus dispersing the force.

[0036] The upper and lower ends of the rotating shaft 8 respectively extend into the interiors of the upper and lower support seats 2. The interior of the support seat 2 is provided with a reinforcement cavity. Both the upper and lower ends of the rotating shaft 8 are provided with fixing plates 20, and the fixing plates 20 are fixed inside the reinforcement cavity. The fixing plates 20 are stainless steel plates, and the interior of the fixing plates 20 is provided with a filling cavity, and the filling cavity is filled with reinforcing ribs 21. Thus, the rotating shaft 8 is fixed to the reinforcement cavity inside the support seat 2 through the fixing plates 20, and the fixing stability is increased by the stainless steel plates and the reinforcing ribs 21.

[0037] The bridge pier anti-collision device that changes the force direction through a rolling cylinder is provided with sliding rods 4 around the bridge pier 1 in a circle. The cylinders 3 are installed by using the sliding rods 4. When impacted, the deformation of the cylinders 3 undergoes the first stage of force bearing. Then the cylinders 3 are extruded and move inward, causing the linkage arms 6 at the upper and lower ends to rotate, pushing the sliding sleeves 5 at the upper and lower ends to move on the sliding rods 4, squeezing the springs 9, thereby diverting the impact force to the top and bottom of the bridge pier 1, and thus dispersing the force to avoid the bridge pier 1 being directly impacted. And the present invention is provided with a reset block 13. The two groups of rotating limit plates 14 in the reset block 13 are in an eight-character limit on both sides of the cylinder 3. When the cylinder 3 is extruded and moves inward, the two groups of limit plates 14 rotate outward. When the cylinder 3 is extruded to one side, one side of the limit plate 14 can rotate outward. When the limit plate 14 rotates, the protrusion 17 moves in the arc-shaped groove 16, squeezing the spring chain 18 to buffer the impact force, and the protection effect is better. Subsequently, during the process of the spring chain 18 pushing the protrusion 17 and the limit plate 14 to reset, the cylinder 3 can be driven to reset, and the functions are diversified. At the same time, the cylinder 3 of the present invention is internally provided with a thermally expandable sponge 12 and is ventilated through the ventilation holes 19. When the cylinder 3 is extruded and deformed, the thermally expandable sponge 12 expands when heated to squeeze the cylinder 3 to restore, which is convenient for maintenance.

[0038] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. A bridge pier anti-collision device that changes the force direction by means of a rolling cylinder, comprising a bridge pier (1), a support seat (2) and a cylinder (3), characterized in that: Support seats (2) are provided at the upper and lower parts of the bridge pier (1), and a sliding rod (4) is provided at the edge between two groups of the supporting seats (2), and sliding sleeves (5) are slidably provided at the upper and lower ends of the outer sides of the sliding rod (4), and linkage arms (6) are rotatably provided on one side of the sliding sleeves (5) at the upper and lower ends; One end of the linkage arm (6) at the upper and lower ends is rotatably provided with a mounting seat (7), a rotating shaft (8) is connected between the two groups of the mounting seats (7), the cylinder (3) is rotatably provided on the outside of the rotating shaft (8), and the upper and lower ends of the outside of the rotating shaft (8) are sleeved with springs (9), and the spring (9) is located between the sliding sleeve (5) and the support seat (2).

2. The bridge pier anti-collision device that changes the force direction by means of a rolling cylinder according to claim 1 is characterized in that: At least eight groups of the sliding rods (4) are provided, and the eight groups of the sliding rods (4) are arranged at equal angles around the center of the bridge pier (1).

3. The bridge pier anti-collision device that changes the force direction by means of a rolling cylinder according to claim 1 is characterized in that: A first hinge seat (10) is provided on one side of the sliding sleeve (5), a second hinge seat (11) is provided on the mounting seat (7), and two ends of the linkage arm (6) are rotatably connected to the first hinge seat (10) and the second hinge seat (11), respectively.

4. The bridge pier anti-collision device for changing the force direction by a rolling cylinder according to claim 1 is characterized in that: The cylinder (3) is a soft shell, and the outer side of the soft shell is coated with soft rubber. A through groove for the rotating shaft (8) to pass through is provided at a middle position on the inner side of the cylinder (3).

5. The bridge pier anti-collision device that changes the force direction by means of a rolling cylinder according to claim 4 is characterized in that: The cylinder (3) is provided with a receiving cavity inside, and the interior of the receiving cavity is filled with a heat expansion sponge (12), and a vent hole (19) is provided at the bottom of the cylinder (3).

6. The bridge pier anti-collision device that changes the force direction by means of a rolling cylinder according to claim 1, characterized in that: A reset block (13) is provided at a middle position on the slide bar (4), and the inner end of the reset block (13) is fixedly connected to the bridge pier (1), and an installation groove (15) is provided at the outer end of the reset block (13), and limit plates (14) are rotatably provided on both sides of the installation groove (15).

7. The bridge pier anti-collision device for changing the force direction by means of a rolling cylinder according to claim 6, characterized in that: The limiting plate (14) inside the reset block (13) is in an "eight" shape, and the cylinder (3) is located between the limiting plates (14) on both sides.

8. The bridge pier anti-collision device for changing the force direction by means of a rolling cylinder according to claim 7, characterized in that: Arc-shaped grooves (16) are provided on both sides of the top of the limiting plate (14), and protrusions (17) are provided at one end of the top of the limiting plates (14) on both sides. The protrusions (17) on both sides extend into the arc-shaped grooves (16) on both sides respectively, and a spring chain (18) is connected between the protrusion (17) and one side of the inside of the arc-shaped groove (16).

9. The bridge pier anti-collision device that changes the force direction by means of a rolling cylinder according to claim 1, characterized in that: The upper and lower ends of the rotating shaft (8) extend to the interior of the support seat (2) at the upper and lower ends respectively, a reinforcement cavity is provided inside the support seat (2), and the upper and lower ends of the rotating shaft (8) are both provided with fixing plates (20), and the fixing plates (20) are fixed inside the reinforcement cavity.

10. The bridge pier anti-collision device that changes the force direction by means of a rolling cylinder according to claim 9, characterized in that: The fixing plate (20) is a stainless steel plate, and a filling cavity is provided inside the fixing plate (20), and the interior of the filling cavity is filled with reinforcing ribs (21).

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