CN219297948U - Self-resetting energy dissipation steel bar structure assembled outside pier - Google Patents

Abstract

The utility model discloses a self-resetting energy dissipation steel bar structure assembled outside a pier, which belongs to the technical field of bridge structures and comprises a pier column end connector, an energy dissipation steel bar main body, a rotating rod and a bearing platform end connector which are sequentially connected, wherein the pier column end connector is connected with the pier column, a first end of the energy dissipation steel bar main body is fixedly connected with the pier column end connector, a second end of the energy dissipation steel bar main body is connected with the first end of the rotating rod in a joint way through the connector, a second end of the rotating rod is connected with the bearing platform end connector through a rotating cover, and the bearing platform end connector is connected with the bearing platform. According to the utility model, the energy consumption hysteresis performance of the pier is greatly enhanced through the external energy dissipation steel bar structure, the anti-seismic performance of the pier is improved, and certain self-resetting capability is provided for the pier; the energy dissipation steel bar structure can absorb and consume part of earthquake energy of the bridge pier, and can improve the energy consumption capacity of the whole structure on the premise of not damaging the self-resetting capacity of the bridge pier structure.

Description

Self-resetting energy dissipation steel bar structure assembled outside pier

Technical Field

The utility model belongs to the technical field of bridge structures, and particularly relates to a self-resetting energy dissipation steel bar structure assembled outside a pier.

Background

Many areas in China are located in earthquake high-rise areas, and when a building is in earthquake disasters, the building is exposed to quite serious earthquake hazard risks, and the earthquake causes huge threats and losses to life safety and economic property safety of human society.

The highway bridge is a junction of a road transportation network, and serious damage to the bridge caused by an earthquake often causes traffic interruption and is difficult to repair, so that emergency rescue and post-earthquake reconstruction work are affected.

In view of this, in recent years, students at home and abroad are increasingly paying attention to novel earthquake-resistant structures and systems capable of recovering functional design concepts. The bridge pier is the most critical component part of the bridge structure, and if the bridge pier has a swinging structure with damage control and self-resetting capabilities, the safety and stability of the bridge pier can be ensured, the expected design performance can be achieved, and the traffic and transportation order after earthquake can be greatly improved.

According to the past research, the swinging performance of the pier foundation can reduce the earthquake force requirement of the pier and can also provide self-resetting capability, however, although the swinging performance of the pier foundation can reduce the earthquake force born by the pier, the pier foundation lacks reliable energy consumption capability and can generate great displacement if not properly controlled, so that the energy consumption member is added in the structure to help the structure consume earthquake energy, but the internal energy consumption member can improve the energy consumption capability, but has the defect of difficult repair or replacement after earthquake, and is difficult to meet the design concept and requirements of repairability or replacement.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the self-resetting energy dissipation steel bar structure assembled outside the pier, which can improve the energy consumption capacity of the structure on the premise of not damaging the self-resetting capacity of the pier structure, and the external energy consumption device improves the earthquake resistance of the self-resetting pier, has repairable and replaceable capacity, greatly simplifies the construction process and improves the energy consumption capacity and the restorable capacity of the self-resetting pier.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:

the utility model provides a self-resetting energy dissipation steel bar structure that pier was assembled outward for external connection between pier stud and the cushion cap, self-resetting energy dissipation steel bar structure that pier stud was assembled outward is including pier stud end connector, power consumption steel bar main part, dwang and the cushion cap end connector that connects gradually, wherein, pier stud end connector with the pier stud is connected, the first end of power consumption steel bar main part with pier stud end connector fixed connection, the second end through the middle part connector with the first end joint connection of dwang, the second end of dwang through the rotation lid with the cushion cap end connector is connected, the cushion cap end connector with the cushion cap is connected.

Further, the energy consumption steel bar main part is including the tip body, middle part neck down the body and the afterbody body that connect gradually, the outside of tip body and afterbody body all is provided with first external screw thread, the external diameter of middle part neck down the body is less than the tip body with the external diameter of afterbody body, the outside parcel of middle part neck down the body has the ring to wrap up in the attenuator.

Further, the rotating rod comprises a rod body, a second external thread is arranged at the first end of the rod body, the middle connector is a steel sleeve with built-in threads, the second external thread of the rod body is in threaded connection with one end of the middle connector, and a rod tail hinge ball is arranged at the second end of the rod body; the rotating cover is sleeved on the outer side of the rod tail hinge ball and is in threaded connection with the bearing platform end connector through a threaded connector.

Further, the rod tail hinge ball is a high-strength steel ball.

Further, the inside of the rotating cover is of a hollow structure so as to accommodate the rod tail hinge ball; the rotary cover is close to one side of the bearing platform end connector and is internally provided with a threaded hole matched with the threaded joint, the other side of the rotary cover is provided with a horn-shaped opening, the small-diameter end of the opening is located at one side far away from the middle connector, and the diameter of the small-diameter end of the opening is smaller than that of the tail hinge ball.

Further, a hemispherical rotating groove is formed in one side of the threaded joint, and the rotating groove is consistent with the curvature of the rod tail hinge ball; the other side of the threaded joint is fixedly connected with the bearing platform end connector.

Further, the bearing platform end connector comprises a connecting block, a bearing platform end combination plate and a bearing platform end connector bolt; the connecting block is located the central point of cushion cap end joint board, one side of connecting block with screwed joint fixed connection, the opposite side of connecting block with cushion cap end joint board fixed connection, cushion cap end joint board passes through cushion cap end connector bolt fixed connection is in the top surface of cushion cap.

Further, the pier stud end connector comprises a steel square web plate, a steel triangle flank plate, a pier stud end connector bolt, a pier stud end joint plate and a high-strength nut; the pier stud end joint plate is provided with a bolt hole for the pier stud end connector bolt to pass through, so that the pier stud end joint plate is fixed on the side face of the pier stud through the pier stud end connector bolt;

the steel square web is positioned in the middle of the pier column end joint plate and is vertically and fixedly connected with the pier column end joint plate, two triangular side wing plate groups are symmetrically arranged along the steel square web,

each triangular side wing plate group comprises 2 triangular side wing plates which are arranged in parallel, wherein the triangular side wing plates are vertically and fixedly connected with the steel square web plate and the pier column end joint plate;

the steel square web plate is provided with a threaded hole for the end rod body to pass through; the two high-strength nuts are respectively positioned at two sides of the steel square web plate, and are matched with the first external threads of the end rod body so as to fixedly connect the energy-consumption steel rod main body with the steel square web plate.

The utility model has the beneficial effects that:

1) The energy consumption hysteresis performance of the pier is greatly enhanced through the external energy dissipation steel bar structure, the earthquake resistance of the pier is improved, and certain self-resetting capability is provided for the pier.

2) The energy dissipation steel bar structure can absorb and consume part of earthquake energy of the bridge pier, and can improve the energy consumption capacity of the whole structure on the premise of not damaging the self-resetting capacity of the bridge pier structure.

3) The structure is arranged outside the pier body, so that the construction process is simplified, and the maintenance and replacement after earthquake are greatly facilitated.

4) The utility model has a large amount of energy-saving steel materials, is environment-friendly and recyclable, has flexible structural arrangement and small occupied space, and does not additionally increase the construction land;

the utility model has the advantages that all parts can be disassembled and assembled, is beneficial to the production of the factory sub-modules and batch production, and meets the construction requirements of modularization and standardized development.

Drawings

FIG. 1 is a schematic view of a disassembled cross-sectional configuration of the present utility model;

FIG. 2 is a schematic view of a combined cross-sectional configuration of the present utility model;

FIG. 3 is a schematic front view of the mounting arrangement of the present utility model;

FIG. 4 is a schematic top view of the mounting arrangement of the present utility model;

FIG. 5 is a schematic view of a combined three-dimensional construction of the present utility model;

fig. 6 is a schematic view of the present utility model in a disassembled three-dimensional cutaway.

Wherein: 1. an energy-consuming steel bar main body; 2. an end bar; 3. a tail rod body; 4. a middle necking bar body; 5. wrapping the damper; 6. a rotating lever; 7. a middle connector; 8. a rod body; 9. a rod tail hinging ball; 10. a rotary cover; 11. a threaded joint; 12. a connecting block; 13. the bearing platform end is combined with the plate; 14. rotating the groove; 15. a steel square web; 16. steel triangle side wing plate; 17. pier stud end connector bolts; 18. abutment end joint plates; 19. a high-strength nut; 20. bearing platform end connector bolts; 21. pier column; 22. bearing platform; 23. pier stud end connectors; 24. bearing platform end connector.

Detailed Description

The utility model provides a self-resetting energy dissipation steel bar structure assembled outside a pier. The following detailed description of the present utility model is provided in connection with the accompanying drawings, so as to facilitate understanding and grasping thereof.

Example 1

Referring to fig. 1 to 6, a self-resetting energy dissipation steel bar structure assembled outside a pier is used for external connection between a pier column 21 and a bearing platform 22, the self-resetting energy dissipation steel bar structure assembled outside the pier comprises a pier column end connector 23, an energy dissipation steel bar main body 1, a rotating rod 6 and a bearing platform end connector 24 which are sequentially connected, wherein the pier column end connector 23 is connected with the pier column 21, a first end of the energy dissipation steel bar main body 1 is fixedly connected with the pier column end connector 23, a second end is connected with a first end of the rotating rod 6 in a joint manner through a middle connector 7, a second end of the rotating rod 6 is connected with the bearing platform end connector 24 through a rotating cover 10, and the bearing platform end connector 24 is connected with the bearing platform 22.

The self-resetting energy dissipation steel bar structure assembled outside the pier is externally installed, namely, is arranged outside the pier body, can absorb earthquake energy, improves the energy consumption performance of the pier, and has repairable and replaceable capability.

Example 2

In order to ensure the energy consumption hysteresis performance of the overall structure, this embodiment is further configured on the basis of embodiment 1.

In this embodiment, the energy dissipation steel bar main body 1 includes the tip body 2 that connects gradually, middle part neck down body 4 and afterbody body 3, and the outside of tip body 2 and afterbody body 3 all is provided with first external screw thread, and the external diameter of middle part neck down body 4 is less than the external diameter of tip body 2 and afterbody body 3, and the outside parcel of middle part neck down body 4 has the ring to wrap up in attenuator 5.

In this embodiment, the energy-dissipating steel rod main body 1 has a first end of an end rod body 2 and a second end of a tail rod body 3.

Wherein, the ring-wrapped damper 5 is wrapped outside the unthreaded area of the energy-dissipating steel rod main body 1, and completely wraps the middle necking rod body 4. The ring-wrapped damper 5 wraps the middle necking rod body 4, so that the corrosion of the middle necking rod body 4 can be effectively prevented, and the energy consumption hysteresis performance of the whole structure is ensured.

In this embodiment, the rotating rod 6 includes a rod body 8, a first end of the rod body 8 is provided with a second external thread, the middle connector 7 is a steel sleeve with internal threads, the second external thread of the rod body 8 is in threaded connection with one end of the middle connector 7, and a second end of the rod body 8 is provided with a rod tail hinge ball 9; the rotary cover 10 is sleeved on the outer side of the rod tail hinge ball 9 and is in threaded connection with the bearing platform end connector 24 through the threaded joint 11.

The rod tail hinge ball 9 is preferably a high-strength steel ball.

The rotating rod 6 is connected with the energy-consumption steel rod main body 1 and the bearing platform end connector 24, plays a role in connecting and guaranteeing that the rod body can rotate in space, and further guarantees the restorability of the energy-consumption structure.

In the embodiment, the rotary cover 10 is of a hollow structure inside to accommodate the tail hinge ball 9; wherein, the one side that rotates the lid 10 and is close to cushion cap end connector 24 is inside to be equipped with screwed joint 11 assorted screw hole, and the opposite side that rotates the lid 10 is "loudspeaker form" opening, and open-ended small diameter end is located the one side that keeps away from middle part connector 7, and the diameter of open-ended small diameter end is less than the diameter of pole tail hinge ball 9.

The rotary cover 10 is a "horn-shaped" open female, which catches the tail hinge ball 9 of the rotary lever 6, and at the same time cooperates with the rotary groove 14 of the threaded joint 11 to ensure the spatial rotation capability of the rotary lever 6.

In the embodiment, a hemispherical rotating groove 14 is arranged in one side of the threaded joint 11, and the rotating groove 14 is consistent with the curvature of the rod tail hinge ball 9; the other side of the screwed joint 11 is fixedly connected with a bearing platform end connector 24.

In this embodiment, the cap end connector 24 includes a connection block 12, a cap end bonding plate 13, and a cap end connector bolt 20; the connecting block 12 is located the central point of cushion cap end joint board 13, and one side and screwed joint 11 fixed connection of connecting block 12, the opposite side and cushion cap end joint board 13 fixed connection of connecting block 12, cushion cap end joint board 13 pass through cushion cap end connector bolt 20 fixed connection at the top surface of cushion cap 22.

In this embodiment, the pier stud end connector 23 comprises steel Fang Fuban, steel delta side wings 16, pier stud end connector bolts 17, pier stud end engagement plates 18 and high strength nuts 19; the pier stud end joint plate 18 is provided with bolt holes for the pier stud end connector bolts 17 to pass through so as to be fixed on the side face of the pier stud 21 by the pier stud end connector bolts 17;

the steel Fang Fuban is positioned in the middle of the abutment end joint plate 18 and is vertically and fixedly connected with the abutment end joint plate 18, two triangular side wing plate groups are symmetrically arranged along the steel square web 15,

each triangular side wing plate group comprises 2 steel triangular side wing plates 16 which are arranged in parallel, wherein the steel triangular side wing plates 16 are vertically and fixedly connected with a steel square web plate 15 and pier column end joint plates 18;

the steel square web 15 is provided with a threaded hole for the end rod body 2 to pass through; the two high-strength nuts 19 are respectively positioned at two sides of the steel square web 15, and the high-strength nuts 19 are matched with the first external threads of the end rod body 2 so as to fixedly connect the energy-consumption steel rod main body 1 with the steel square web 15.

The steel Fang Fuban, the steel triangle side wing plate 16 and the pier stud end joint plate 18 are mutually welded to form a steel structure, so that buckling distortion of the pier stud end connector 23 is effectively prevented, and the connection rigidity of the structure is improved.

The bearing platform end connector 24 connects the integral structural top of the self-resetting energy dissipation steel bar assembled outside the pier with the pier column 21.

The utility model provides a working principle of a self-resetting energy dissipation steel bar structure assembled outside a pier, which comprises the following steps:

the whole body of the self-resetting energy dissipation steel bar structure assembled outside the pier is spliced and installed on the pier structure, and the installation steps are as follows: the pier stud end connectors 23 are fixed on the side surfaces of the pier studs 21 through pier stud end connector bolts 17, the two sides of the end rod body 2 after passing through the steel square web 15 are clamped through high-strength nuts 19, and the tail part of the energy-consumption steel rod main body 1 is screwed and connected with the end part of the rotating rod 6 through the middle connector 7; one side of the rotary cover 10 clamps the rotary rod 6, the other side is screwed with the bearing-end connector 24, and the bearing-end connector 24 is fixed on the top surface of the bearing platform 22 through the bearing-end connector bolt 20.

Under the action of earthquake, the pier column 21 can rotate to a certain extent, the space rotation of the rotating rod 6 and the telescopic deformation of the energy-consuming steel bar main body 1 provide the whole structure displacement requirement, and meanwhile, the earthquake energy of the pier structure is absorbed and consumed, so that the energy consumption capacity and the earthquake resistance of the pier are improved.

Meanwhile, after an earthquake, the self-resetting energy dissipation steel bar structure assembled outside the pier is mainly damaged and concentrated on the energy dissipation steel bar main body 1, and if the energy dissipation steel bar structure is damaged, only the damaged energy dissipation steel bar main body 1 can be replaced, and two end parts do not need to be replaced together with the energy dissipation steel bar main body 1.

While the foregoing has been described in terms of embodiments of the present utility model, it will be appreciated that the embodiments of the utility model are not limited by the foregoing description, but rather, all embodiments of the utility model may be modified in structure, method or function by one skilled in the art to incorporate the teachings of this utility model, as expressed in terms of equivalent or equivalent embodiments, without departing from the scope of the utility model.

Claims (8)

1. The utility model provides a self-resetting energy dissipation steel bar structure that pier was assembled outward for external connection between pier stud and the cushion cap, its characterized in that, self-resetting energy dissipation steel bar structure that pier stud was assembled outward is including pier stud end connector, power consumption steel bar main part, dwang and cushion cap end connector that connect gradually, wherein, pier stud end connector with pier stud is connected, the first end of power consumption steel bar main part with pier stud end connector fixed connection, the second end through the middle part connector with the first end joint connection of dwang, the second end of dwang through the rotation lid with cushion cap end connector is connected, cushion cap end connector with the cushion cap is connected.

2. The pier-outside spliced self-resetting energy dissipation steel bar structure according to claim 1, wherein the energy dissipation steel bar main body comprises an end bar body, a middle necking bar body and a tail bar body which are sequentially connected, first external threads are arranged on the outer sides of the end bar body and the tail bar body, the outer diameter of the middle necking bar body is smaller than the outer diameters of the end bar body and the tail bar body, and a ring-wrapped damper is wrapped on the outer side of the middle necking bar body.

3. The pier-outside spliced self-resetting energy dissipation steel bar structure according to claim 2, wherein the rotating rod comprises a rod body, a first end of the rod body is provided with second external threads, the middle connector is a steel sleeve with built-in threads, the second external threads of the rod body are in threaded connection with one end of the middle connector, and a rod tail hinge ball is arranged at the second end of the rod body; the rotating cover is sleeved on the outer side of the rod tail hinge ball and is in threaded connection with the bearing platform end connector through a threaded connector.

4. The pier-outside spliced self-resetting energy dissipation steel bar structure as claimed in claim 3, wherein the rod tail hinge ball is a high-strength steel ball.

5. The pier-outside spliced self-resetting energy dissipation steel bar structure as claimed in claim 4, wherein the inside of the rotating cover is of a hollow structure so as to accommodate the rod tail hinge ball; the rotary cover is close to one side of the bearing platform end connector and is internally provided with a threaded hole matched with the threaded joint, the other side of the rotary cover is provided with a horn-shaped opening, the small-diameter end of the opening is located at one side far away from the middle connector, and the diameter of the small-diameter end of the opening is smaller than that of the tail hinge ball.

6. The pier-outside spliced self-resetting energy dissipation steel bar structure according to claim 5, wherein a hemispherical rotating groove is formed in one side of the threaded joint, and the rotating groove is consistent with the curvature of the rod tail hinge ball; the other side of the threaded joint is fixedly connected with the bearing platform end connector.

7. The pier-outside spliced self-resetting energy dissipation steel bar structure as recited in claim 6, wherein the bearing cap end connector comprises a connecting block, a bearing cap end combination plate and a bearing cap end connector bolt; the connecting block is located the central point of cushion cap end joint board, one side of connecting block with screwed joint fixed connection, the opposite side of connecting block with cushion cap end joint board fixed connection, cushion cap end joint board passes through cushion cap end connector bolt fixed connection is in the top surface of cushion cap.

8. The pier-external assembled self-resetting energy dissipating steel bar structure of claim 7, wherein the pier stud end connector comprises a steel square web, a steel triangle flank plate, a pier stud end connector bolt, a pier stud end joint plate and a high-strength nut; the pier stud end joint plate is provided with a bolt hole for the pier stud end connector bolt to pass through, so that the pier stud end joint plate is fixed on the side face of the pier stud through the pier stud end connector bolt;

the steel square web plate is positioned in the middle of the pier stud end joint plate and is vertically and fixedly connected with the pier stud end joint plate, two triangular side wing plate groups are symmetrically arranged along the steel square web plate, each triangular side wing plate group comprises 2 triangular side wing plates which are arranged in parallel, and the triangular side wing plates are vertically and fixedly connected with the steel square web plate and the pier stud end joint plate;

the steel square web plate is provided with a threaded hole for the end rod body to pass through; the two high-strength nuts are respectively positioned at two sides of the steel square web plate, and are matched with the first external threads of the end rod body so as to fixedly connect the energy-consumption steel rod main body with the steel square web plate.

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