CN215829240U

CN215829240U - Prefabricated hollow concrete pier

Info

Publication number: CN215829240U
Application number: CN202121557262.XU
Authority: CN
Inventors: 贺茂生; 守继承; 邱维; 石志远
Original assignee: China Road and Bridge Corp
Current assignee: China Road and Bridge Corp
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-02-15
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a prefabricated hollow concrete pier which comprises a base and a pier main body, wherein a plurality of second placing grooves are vertically formed in the pier main body, connecting studs with shock absorption structures are arranged in the second placing grooves in a penetrating mode, a plurality of first placing grooves are horizontally arranged in the pier main body in a horizontal opening mode, the first placing grooves and the second placing grooves are vertically staggered and communicated with each other, horizontally arranged bearing plates are fixed on the connecting studs, and the bearing plates are arranged at the intersection positions of the first placing grooves and the second placing grooves and connected with cushion block structures arranged in the first placing grooves; this bradyseism load-carrying structure of concrete pier comprises connecting bolt post and load board and forms, and connecting bolt post absorbs the effort through the bradyseism structure, and the load board passes through the cushion structure and will connect the power dispersion of acting on the bolt post and carry out the secondary and absorb, and then reach secondary absorbing purpose, improve each parts working life, also strengthen to some extent on the shock resistance simultaneously.

Description

Prefabricated hollow concrete pier

Technical Field

The utility model relates to the technical field of bridge structures, in particular to a prefabricated hollow concrete pier.

Background

The bridge pier is a sub-building for supporting a bridge span structure and transmitting constant load and vehicle live load to a foundation, and the bridge abutment is arranged in two lakes of the bridge. The bridge pier is arranged between the two bridge abutments. The pier is used for supporting a bridge span structure: the abutment supports the bridge span structure and is connected with the embankment to prevent the embankment from sliding. The prior publication No. CN212175452U discloses an anti-seismic pier, which comprises a bridge main body, a pier cap, a bearing plate, a bearing beam, a bearing column, a fixed base, a pier body, a stacked steel plate spring, a high-strength damping spring and a connecting column. During the equipment, the damping spring of this kind of pier need install in the junction of support post and spandrel girder, often can bear very big pressure, and in long-time use, the damping spring is very easy to appear fatigue deformation, leads to the loss of shock attenuation effect in turn. In this regard, improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a prefabricated hollow concrete pier to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a prefabricated hollow concrete pier comprises a base and a pier main body, wherein a plurality of second placing grooves are vertically formed in the pier main body, connecting studs with shock absorption structures penetrate through the second placing grooves, the connecting studs are matched with the second placing grooves, and the bottom ends of the connecting studs are fixedly connected with the bottom walls of the second placing grooves;

the utility model provides a prefabricated hollow concrete pier, includes base and pier main part, and a plurality of second standing grooves have been seted up to the internal vertical of pier main part, wears to be equipped with the connection bolt post that has the bradyseism structure in the second standing groove, and the connection bolt post cooperatees with the second standing groove, connection bolt post bottom and second standing groove diapire fixed connection.

Preferably, the cushion block structure comprises a first cushion block and a second cushion block, the first cushion block and the second cushion block are arranged on two sides of the second movable column and fixedly connected with the bottom wall of the first placing groove, and the upper end faces of the first cushion block and the second cushion block are connected with the lower end face of the bearing plate.

Preferably, first cushion and second cushion all include the fixing base, terminal surface and first standing groove diapire fixed connection under the fixing base, and the movable groove has been seted up to the fixing base upper end, is equipped with the second spring part in the movable groove, the movable groove arrange in the second spring part and with second spring part fixed connection, movable seat and movable groove clearance fit.

Preferably, the upper end face of the movable seat outside the movable groove is provided with a placing groove, and the two sides of the placing groove are provided with clamping edges for limiting the bearing plate.

Preferably, the connecting bolt column is arranged in the second placing groove in a penetrating mode and matched with the second placing groove, the top end of the connecting bolt column extends out of the second placing groove, a supporting seat is arranged at the bottom end of the connecting bolt column, and the supporting seat is fixedly connected with the upper end face of the base.

Preferably, the connecting bolt comprises a second movable column and a first movable column, the second movable column is arranged at a first intersection of the second placing groove and the first placing groove and is in movable fit with the second placing groove, the first movable column is arranged at a second intersection of the second placing groove and the first placing groove and is in movable fit with the second placing groove, and the second movable column is connected with the first movable column through a first spring part.

Compared with the prior art, the utility model has the beneficial effects that: this bradyseism load-carrying structure of concrete pier comprises connecting bolt post and load board and forms, and connecting bolt post absorbs the effort through the bradyseism structure, and the load board passes through the cushion structure and will connect the power dispersion of acting on the bolt post and carry out the secondary and absorb, and then reach secondary absorbing purpose, improve each parts working life, also strengthen to some extent on the shock resistance simultaneously.

Drawings

Fig. 1 is a schematic structural view of a prefabricated hollow concrete pier.

Fig. 2 is a schematic structural view of a support seat in a precast hollow concrete pier.

Fig. 3 is an enlarged schematic view of a structure at a position a in fig. 2 of a precast hollow concrete pier.

Fig. 4 is a schematic structural view of a movable seat in a precast hollow concrete pier.

In the figure: 1. a base; 2. a pier main body; 3. a first placing groove; 4. connecting the studs; 5. a second placing groove; 6. a supporting seat; 7. a first movable column; 8. a second movable column; 9. a first spring member; 10. a bearing plate; 11. a first cushion block; 12. a second cushion block; 13. a fixed seat; 14. a movable seat; 15. a placement groove; 16. a movable groove; 17. a second spring member.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, in the embodiment of the utility model, the prefabricated hollow concrete pier comprises a base 1 and a pier main body 2, wherein a plurality of second placing grooves 5 are vertically formed in the pier main body 2, connecting studs 4 with shock absorption structures are arranged in the second placing grooves 5 in a penetrating manner, the connecting studs 4 are matched with the second placing grooves 5, and the bottom ends of the connecting studs 4 are fixedly connected with the bottom walls of the second placing grooves 5; the connecting bolt column 4 is provided with a cushioning structure, and can play a role of cushioning and supporting when the supporting frame beams are connected.

A plurality of first placing grooves 3 are horizontally arranged in the pier main body 2, the first placing grooves 3 and the second placing grooves 5 are vertically staggered and communicated with each other, a horizontally arranged bearing plate 10 is fixed on the connecting stud 4, and the bearing plate 10 is arranged at the intersection of the first placing grooves 3 and the second placing grooves 5 and is structurally connected with a cushion block arranged in the first placing grooves 3; a cross staggered structure is formed between the connecting studs 4 and the bearing plate 10 in the pier main body 2, the connecting studs 4 absorb acting force through a cushioning structure, and the bearing plate 10 disperses the acting force on the connecting studs 4 through a cushion block structure and performs secondary absorption;

the cushion block structure comprises a first cushion block 11 and a second cushion block 12, the first cushion block 11 and the second cushion block 12 are arranged on two sides of the second movable column 8 and are fixedly connected with the bottom wall of the first placing groove 3, and the upper end surfaces of the first cushion block 11 and the second cushion block 12 are connected with the lower end surface of the bearing plate 10;

the first cushion block 11 and the second cushion block 12 both comprise a fixed seat 13, the lower end face of the fixed seat 13 is fixedly connected with the bottom wall of the first placing groove 3, the upper end of the fixed seat 13 is provided with a movable groove 16, a second spring part 17 is arranged in the movable groove 16, the movable groove 16 is arranged in the second spring part 17 and is fixedly connected with the second spring part 17, and the movable seat 14 is movably matched with the movable groove 16; bearing plate 10 transversely puts the sliding seat 14 upper end on first cushion 11 and second cushion 12, and the connection post 4 contracts in second standing groove 5 after the atress, drives bearing plate 10 and pushes down, and bearing plate 10 pushes down with messenger's sliding seat 14 income sliding seat 16, and the second spring part 17 shrink in the sliding groove 16 cushions the effort, and then reaches secondary absorbing purpose.

A placing groove 15 is formed in the upper end face, located outside the movable groove 16, of the movable seat 14, and clamping edges used for limiting the bearing plate 10 are reserved on two sides of the placing groove 15; bearing plate 10 movable mounting cooperatees through lock mode and standing groove 15 in 14 upper ends of sliding seat, and the card is followed and is used for avoiding bearing plate 10 to appear droing on standing groove 15.

Connecting stud 4 wears to establish in the second standing groove 5 and cooperatees with second standing groove 5, and outside connecting stud 4 top extended to second standing groove 5, connecting stud 4 bottom was equipped with supporting seat 6, supporting

seat

6 and 1 up end fixed connection of base.

The connecting bolt 4 comprises a second movable column 8 and a first movable column 7, the second movable column 8 is arranged at the first intersection of the second placing groove 5 and the first placing groove 3 and is movably matched with the second placing groove 5, the first movable column 7 is arranged at the second intersection of the second placing groove 5 and the first placing groove 3 and is movably matched with the second placing groove 5, and the second movable column 8 is connected with the first movable column 7 through a first spring part 9; connecting 4 cylinders of post bolt itself has a plurality of bradyseism structures, and a plurality of bradyseism structures are established at each intersection and interconnect of second standing groove 5 and first standing groove 3, and when connecting 4 atresss of post bolt, the bradyseism structure that is located the top is through first spring part 9 shrink to on will doing all can the best effort transmission next bradyseism structure, this bradyseism structure is carrying out transmission on next step with the effort, makes the shock-resistant support ability of connecting 4 post bolts obtain increasing substantially.

Utility model's theory of operation: the bearing plate 10 is transversely placed at the upper end of a movable seat 14 on the first cushion block 11 and the second cushion block 12 and is matched with the placing groove 15 in a buckling mode, the clamping edge is used for preventing the bearing plate 10 from falling off on the placing groove 15, the connecting bolt column 4 contracts in the second placing groove 5 after being stressed to drive the bearing plate 10 to press downwards, the bearing plate 10 presses downwards together to enable the movable seat 14 to be accommodated in the movable groove 16, and a second spring part 17 in the movable groove 16 contracts to buffer acting force; the connecting bolt 4 absorbs the acting force through the cushioning structure, and the force applied on the connecting bolt 4 is dispersed and secondarily absorbed by the bearing plate 10 through the cushion block structure, so that the purpose of secondary shock absorption is achieved, the service life of each part is prolonged, and meanwhile, the shock resistance is also enhanced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The prefabricated hollow concrete pier comprises a base (1) and a pier main body (2), and is characterized in that a plurality of second placing grooves (5) are vertically formed in the pier main body (2), connecting studs (4) with shock absorption structures penetrate through the second placing grooves (5), and the connecting studs (4) are matched with the second placing grooves (5);

the pier is characterized in that a plurality of first placing grooves (3) are arranged in the pier body (2) in a horizontal opening mode, the first placing grooves (3) are vertically staggered with the second placing grooves (5) and are communicated with each other, bearing plates (10) horizontally arranged are fixed on the connecting studs (4), and the bearing plates (10) are arranged at the intersection of the first placing grooves (3) and the second placing grooves (5) and are structurally connected with cushion blocks arranged in the first placing grooves (3).

2. The prefabricated hollow concrete pier is characterized in that the cushion block structure comprises a first cushion block (11) and a second cushion block (12), the first cushion block (11) and the second cushion block (12) are arranged on two sides of the second movable column (8) and fixedly connected with the bottom wall of the first placing groove (3), and the upper end faces of the first cushion block (11) and the second cushion block (12) are connected with the lower end face of the bearing plate (10).

3. The precast hollow concrete pier as claimed in claim 2, wherein the first pad block (11) and the second pad block (12) both comprise a fixed seat (13) and a movable seat (14), the lower end face of the fixed seat (13) is fixedly connected with the bottom wall of the first placing groove (3), a movable groove (16) is formed in the upper end of the fixed seat (13), a second spring part (17) is arranged in the movable groove (16), the movable groove (16) is arranged in the second spring part (17) and fixedly connected with the second spring part (17), and the movable seat (14) is movably matched with the movable groove (16).

4. The precast hollow concrete pier is characterized in that a placing groove (15) is formed in the upper end face, located outside the movable groove (16), of the movable seat (14), and clamping edges used for limiting the bearing plate (10) are reserved on two sides of the placing groove (15).

5. The precast hollow concrete pier as claimed in claim 1, wherein the connecting studs (4) are inserted into the second placing grooves (5) and are matched with the second placing grooves (5), the top ends of the connecting studs (4) extend out of the second placing grooves (5), the bottom ends of the connecting studs (4) are provided with supporting seats (6), and the supporting seats (6) are fixedly connected with the upper end face of the base (1).

6. A precast hollow concrete pier according to claim 1, characterized in that the connection stud (4) comprises a second movable stud (8) and a first movable stud (7), the second movable stud (8) is disposed at a first intersection of the second placing groove (5) and the first placing groove (3) and is movably engaged with the second placing groove (5), the first movable stud (7) is disposed at a second intersection of the second placing groove (5) and the first placing groove (3) and is movably engaged with the second placing groove (5), and the second movable stud (8) is connected with the first movable stud (7) through a first spring member (9).