CN110735385B

CN110735385B - Assembled buttress structure is used in bridge construction that takes precautions against earthquakes convenient to pour

Info

Publication number: CN110735385B
Application number: CN201911015042.1A
Authority: CN
Inventors: 余同德; 刘伟; 叶胜军; 秦玉欢; 徐莉
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2021-06-01
Anticipated expiration: 2039-10-24
Also published as: CN110735385A

Abstract

The invention discloses an assembled buttress structure convenient for pouring and used for shockproof bridge construction, which comprises a foundation pit, concrete filler, a metal reinforcing rod and damping damper, wherein a limiting block is provided with a connecting spring, the connecting spring is positioned on the inner side of an installation groove, the limiting block is mutually connected with a metal upright post through the connecting spring, the outer side of an adjusting groove is provided with an accommodating groove, the inner side of the accommodating groove is provided with a self-locking stone, and the self-locking stone is mutually connected with an inserted post through a connecting groove. This shockproof bridge construction is with assembled buttress structure convenient to pour, the buttress main part comprises metal stand, first buttress post, second buttress post, third buttress post and bearing buttress post, avoids appearing traditional integration buttress rigidity broken cracked condition appearing under strong vibrations, and convenient vibrations strength is cushioned and is kept apart between each structure of metal stand, first buttress post, second buttress post, third buttress post and bearing buttress post.

Description

Assembled buttress structure is used in bridge construction that takes precautions against earthquakes convenient to pour

Technical Field

The invention relates to the technical field of anti-seismic bridge buttresses, in particular to an assembled buttress structure convenient for pouring and used for anti-seismic bridge construction.

Background

The in-process that carries out the construction at the bridge that takes precautions against earthquakes involves bridge subject construction and buttress construction usually, wherein the buttress is as main bearing structure, the stability of its structure and the convenience of assembly all are the key problem that need consider in the bridge construction process that takes precautions against earthquakes, the structural stability of buttress can influence the stability and the security of bridge subject work, and the convenience of buttress installation then can influence the construction progress of bridge, and current bridge buttress has following problem in the construction process usually:

1. most of the existing bridge buttresses are made by concrete cast-in-place, so that the early-stage template frame installation, concrete pouring drying and later-stage template removal are involved, and the relevant structures of the buttresses cannot be prefabricated in advance, so that the construction progress of bridge construction is greatly prolonged, and meanwhile, the construction progress of the buttresses and the structural strength of the buttresses construction are greatly influenced by the drying condition of concrete pouring;

2. traditional bridge buttress is because most for cast-in-place making, so most buttress structure as an organic whole, when the geological conditions change or produce violent vibrations appearing, rigidity breakage can appear in bridge buttress self structure, and its support stability will receive the influence to influence bridge major structure's intensity.

Disclosure of Invention

The invention aims to provide an assembled buttress structure for shockproof bridge construction, which is convenient for pouring, to solve the problems that the prior bridge buttress proposed in the background technology is mostly made of cast-in-place concrete, thereby relating to the installation of the template frame at the early stage, the pouring and drying of concrete and the demolition of the template at the later stage, the related structure of the buttress can not be prefabricated in advance, thereby greatly prolonging the construction progress of bridge construction, greatly influencing the construction progress of the buttress and the structural strength of the buttress construction due to the dry condition of concrete pouring, and most of the traditional bridge buttresses are of an integrated structure due to the fact that the traditional bridge buttresses are mostly made by cast-in-place, when the geological condition changes or violent vibration is generated, the structure of the bridge buttress can generate rigid breaking and fracture, the supporting stability of the bridge girder is affected, and the strength of the bridge girder main body structure is affected.

In order to achieve the purpose, the invention provides the following technical scheme: an assembled buttress structure for shockproof bridge construction convenient for pouring comprises a foundation pit, a concrete filler, a metal reinforcing rod and a damping damper, wherein a metal upright is arranged on the inner side of the foundation pit, the concrete filler is arranged on the inner side of the foundation pit, a mounting groove is formed in the metal upright, a limiting block is arranged on the inner side of the mounting groove, a connecting spring is arranged on the limiting block and is positioned on the inner side of the mounting groove, the limiting block is connected with the metal upright through the connecting spring, a metal sleeve is arranged on the outer side of the metal upright, a limiting groove is formed in the inner side of the metal sleeve, the metal upright is connected with the metal sleeve through the limiting block and the limiting groove, a metal reinforcing plate is arranged on the outer side of the metal sleeve, and the metal sleeve and the metal reinforcing plate are respectively positioned on the inner sides of a first buttress column, a second buttress column, a third buttress column and a bearing buttress column, the first buttress column, the second buttress column, the third buttress column and the supporting buttress column are sequentially distributed on the outer side of the metal upright column from bottom to top in a stacked manner, the inner sides of the first buttress column, the second buttress column and the third buttress column are all provided with first slots, the inner side of each first slot is provided with an insert column, the insert columns are respectively arranged on the lower surfaces of the second buttress column, the third buttress column and the supporting buttress column, the inner sides of the insert columns are provided with metal reinforcing rods, the lower ends of the metal reinforcing rods are positioned on the inner sides of the second slots, the second slots are arranged below the first slots, the insert columns are provided with connecting slots, baffles are arranged below the insert columns, the baffles are positioned on the inner sides of the first slots and the regulating slots, return springs are arranged below the baffles, the outer sides of the regulating slots are provided with accommodating slots, and the inner sides of the accommodating slots are provided with self-locking stones, and the self-locking stone is connected with the inserted column through a connecting groove, and the upper surface of the bearing pier column is provided with damping.

Preferably, the number of the metal upright posts is 2, and the 2 metal upright posts are connected with the foundation pit through concrete fillers.

Preferably, the limiting blocks are uniformly distributed on the metal stand columns, the limiting blocks form a telescopic structure through connecting springs and mounting grooves, and the limiting blocks are positively split into a trapezoidal structure.

Preferably, the metal sleeve is nested on the outer side of the metal upright, and the limiting groove on the inner side of the metal sleeve is matched with the limiting block.

Preferably, be welded connection between metal reinforcing plate and the metal sleeve, and the metal reinforcing plate is at the equidistant distribution in metal sleeve's the outside to metal reinforcing plate and metal sleeve pour with first buttress post, second buttress post, third buttress post and bearing buttress post respectively and are connected.

Preferably, the internal structure of first buttress post, second buttress post, third buttress post and bearing buttress post is the same, and through first slot and insert the post block between first buttress post, second buttress post, third buttress post and the bearing buttress post and connect.

Preferably, the baffle just cuts open for "L" style of calligraphy structure, and baffle and adjustment tank constitution sliding construction to baffle and reset spring constitute extending structure.

Preferably, the accommodating groove is of an inclined structure, the self-locking stone on the inner side of the accommodating groove is of a cylindrical structure, and the self-locking stone and the connecting groove are matched with each other.

Compared with the prior art, the invention has the beneficial effects that: the fabricated buttress structure convenient for pouring is used for constructing the shockproof bridge;

1. the buttress main body is composed of a metal upright post, a first buttress post, a second buttress post, a third buttress post and a bearing buttress post, so that the situation that the traditional integrated buttress is subjected to rigid crushing and fracture under strong vibration is avoided, and the vibration force is convenient to buffer and isolate among structures of the metal upright post, the first buttress post, the second buttress post, the third buttress post and the bearing buttress post;

2. different from the traditional cast-in-place buttress, the buttress structure can be prefabricated in advance, so that only the first buttress column, the second buttress column and the third buttress column or the bearing buttress column are conveniently hoisted and assembled when the buttress structure is required to be used, the construction time of the buttress is shortened, and meanwhile, the efficiency of bridge construction is indirectly improved;

3. insert the post and insert first slot after, insert the post and can extrude the baffle downwards to the baffle no longer seals accomodating the groove, what slope this moment accomodate the inslot self-locking stone then follow and accomodate the inslot roll-off card and go into the spread groove of inserting on the post, thereby inserted and realized the auto-lock between post and the first slot, make and stablize between each part of first buttress post, second buttress post, third buttress post and bearing buttress post and be connected.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a limiting block mounting structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the metal sleeve and the metal reinforcing plate according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a top view mounting structure of the baffle of the present invention;

FIG. 6 is a schematic top-cut view of the metal pillar of the present invention.

In the figure: 1. a foundation pit; 2. a metal upright post; 3. a concrete filler; 4. mounting grooves; 5. a limiting block; 6. a connecting spring; 7. a metal sleeve; 8. a limiting groove; 9. a metal reinforcing plate; 10. a first abutment post; 11. a second abutment post; 12. a third pier stud; 13. supporting the pier stud; 14. a first slot; 15. inserting a column; 16. a metal reinforcing rod; 17. a second slot; 18. connecting grooves; 19. a baffle plate; 20. an adjustment groove; 21. a return spring; 22. a receiving groove; 23. self-locking stones; 24. and (5) damping.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an assembled buttress structure is used in bridge construction that takes precautions against earthquakes convenient to pour, including foundation ditch 1, concrete filler 3, metal stiffener 16 and damping 24, the inboard of foundation ditch 1 is provided with metal stand 2, and the inboard of foundation ditch 1 is provided with concrete filler 3, metal stand 2 is last to have seted up mounting groove 4, and the inboard of mounting groove 4 is provided with stopper 5, install connecting spring 6 on the stopper 5, and connecting spring 6 is located the inboard of mounting groove 4, and stopper 5 passes through connecting spring 6 and metal stand 2 interconnect, the outside of metal stand 2 is provided with metal sleeve 7, and the inboard of metal sleeve 7 has seted up spacing groove 8, and metal stand 2 passes through stopper 5 and spacing groove 8 and metal sleeve 7 interconnect, the outside of metal sleeve 7 is provided with metal reinforcing plate 9, and metal sleeve 7 and metal reinforcing plate 9 are located first pillar 10 respectively, A second pillar 11, a third pillar 12 and a support pillar 13, wherein the first pillar 10, the second pillar 11, the third pillar 12 and the support pillar 13 are sequentially stacked and distributed on the outer side of the metal pillar 2 from bottom to top, the inner sides of the first pillar 10, the second pillar 11 and the third pillar 12 are all provided with a first slot 14, the inner side of the first slot 14 is provided with an insert pillar 15, the insert pillar 15 is respectively installed on the lower surfaces of the second pillar 11, the third pillar 12 and the support pillar 13, the inner side of the insert pillar 15 is provided with a metal reinforcing rod 16, the lower end of the metal reinforcing rod 16 is positioned on the inner side of the second slot 17, the second slot 17 is arranged below the first slot 14, the insert pillar 15 is provided with a connecting slot 18, the lower side of the insert pillar 15 is provided with a baffle 19, the baffle 19 is positioned on the inner side of the first slot 14, and the baffle 19 is positioned on the inner side of the adjusting slot 20, and a return spring 21 is arranged below the baffle plate 19, a containing groove 22 is formed on the outer side of the adjusting groove 20, a self-locking stone 23 is arranged on the inner side of the containing groove 22, the self-locking stone 23 is mutually connected with the inserted column 15 through a connecting groove 18, and a damping damper 24 is arranged on the upper surface of the bearing abutment column 13.

The number of the metal upright columns 2 is 2, and the 2 metal upright columns 2 are connected with the foundation pit 1 through the concrete filler 3 in a pouring manner, so that the metal upright columns 2 can be conveniently and stably installed in the foundation pit 1, and subsequent related components can be conveniently and stably installed through the metal upright columns 2;

the limiting blocks 5 are uniformly distributed on the metal stand column 2, the limiting blocks 5 and the mounting groove 4 form a telescopic structure through the connecting springs 6, the limiting blocks 5 are positively cut into a trapezoidal structure, when the limiting blocks 5 are extruded from top to bottom, the limiting blocks 5 can drive the connecting springs 6 to retract into the mounting groove 4, and similarly, the connecting springs 6 can push the limiting blocks 5 to normally extend out of the mounting groove 4;

the metal sleeve 7 is nested on the outer side of the metal upright post 2, and the limiting groove 8 on the inner side of the metal sleeve 7 is matched with the limiting block 5, so that the metal sleeve 7 can be conveniently and stably mounted on the outer side of the metal upright post 2 through the limiting groove 8 and the limiting block 5;

the metal reinforcing plate 9 is welded with the metal sleeve 7, the metal reinforcing plate 9 is distributed on the outer side of the metal sleeve 7 at equal intervals, the metal reinforcing plate 9 and the metal sleeve 7 are respectively connected with the first pier stud 10, the second pier stud 11, the third pier stud 12 and the bearing pier stud 13 in a pouring mode, the stability of the overall structure of the first pier stud 10, the second pier stud 11, the third pier stud 12 and the bearing pier stud 13 is enhanced, and meanwhile, the first pier stud 10, the second pier stud 11, the third pier stud 12 and the bearing pier stud 13 can be conveniently and stably installed on the outer side of the metal upright 2 through the metal sleeve 7;

the internal structures of the first pier stud 10, the second pier stud 11, the third pier stud 12 and the bearing pier stud 13 are the same, and the first pier stud 10, the second pier stud 11, the third pier stud 12 and the bearing pier stud 13 are connected in a clamping manner through the first slot 14 and the insertion stud 15, so that the first pier stud 10, the second pier stud 11, the third pier stud 12 and the individual bearing pier stud 13 which are different are conveniently assembled and connected through the first slot 14 and the insertion stud 15, and the whole pier is integrally installed;

the baffle 19 is positively cut into an L-shaped structure, the baffle 19 and the adjusting groove 20 form a sliding structure, the baffle 19 and the return spring 21 form a telescopic structure, so that when the inserting column 15 is inserted into the first slot 14, the inserting column 15 can push the baffle 19 downwards to perform sliding motion, and the baffle 19 is convenient to open the accommodating groove 22;

the accommodating groove 22 is of an inclined structure, the self-locking stone 23 on the inner side of the accommodating groove 22 is of a cylindrical structure, the self-locking stone 23 is mutually matched with the connecting groove 18, the self-locking stone 23 can conveniently slide out of the accommodating groove 22 after being opened, and therefore the self-locking stone 23 can be clamped into the connecting groove 18 to be connected with the inserted column 15.

The working principle is as follows: according to the illustration in fig. 1, firstly, the lower end of a metal upright 2 is placed at the bottom of a foundation pit 1, then, a concrete filler 3 is poured into the foundation pit 1 to fix the lower end of the metal upright 2, according to the illustrations in fig. 1, fig. 2 and fig. 3, a first abutment 10 is lifted to pass through the metal upright 2 through a metal sleeve 7, when the first abutment 10 passes through the metal upright 2 through the metal sleeve 7, the inclined surface of a limiting block 5 is extruded, the extruded limiting block 5 drives a connecting spring 6 to retract into an installation groove 4 on the metal upright 2 until the first abutment 10 slides to be in contact with the ground at the outer side of the metal upright 2, at the moment, a limiting groove 8 on the metal sleeve 7 at the inner side of the first abutment 10 is aligned with the limiting block 5 on the metal upright 2, the limiting block 5 loses extrusion at the moment, so that the connecting spring 6 pushes the limiting block 5 to extend out of the, until the limiting block 5 is in fit connection with the limiting groove 8 on the metal sleeve 7, the metal sleeve 7 is stably connected with the metal upright post 2 through the limiting groove 8 and the limiting block 5;

according to fig. 1, after the first pillar 10 is placed and installed, the second pillar 11 is similarly installed outside the metal pillar 2 through the metal sleeve 7 until the insert post 15 on the lower surface of the second pillar 11 is inserted into the first slot 14 of the first pillar 10, and while the insert post 15 is inserted into the first slot 14 of the first pillar 10, the metal reinforcing rod 16 is also inserted into the second slot 17 below the first slot 14 to facilitate the alignment and installation of the insert post 15, and facilitate the alignment between the subsequent connecting slot 18 and the accommodating slot 22, the insert post 15 inserted into the first slot 14 pushes the blocking plate 19 downwards, the blocking plate 19 at this time drives the return spring 21 to slide downwards inside the adjusting slot 20 under the pushing of the insert post 15, according to fig. 4, until the connecting slot 18 on the insert post 15 is aligned with the accommodating slot 22, the blocking plate 19 at this time no longer seals the accommodating slot 22, so that the self-locking stone 23 in the accommodating groove 22 slides out of the accommodating groove 22 along the inclined accommodating groove 22 until one end of the self-locking stone 23 is clamped into the connecting groove 18 to be stably connected with the inserted column 15;

according to the principle shown in fig. 1, fig. 3 and fig. 4, the third abutment 12 and the supporting abutment 13 are respectively installed on the outer side of the metal upright 2, and similarly, the third abutment 12 and the supporting abutment 13 are self-locked by the insertion column 15, the first slot 14 and the self-locking stone 23, thereby realizing the mutual locking connection among the first abutment column 10, the second abutment column 11, the third abutment column 12 and the bearing abutment column 13, facilitating the stable assembly connection among different components, the arrangement of the metal sleeve 7 and the metal reinforcing plate 9 can enhance the structural strength of the first pier stud 10, the second pier stud 11, the third pier stud 12 and the bearing pier stud 13 made of concrete, avoid the situation of breakage and fracture, improve the pressure-bearing capacity, such be convenient for the construction of shockproof bridge is with assembled buttress structure of pouring conveniently uses.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures to facilitate a simplified description of the present invention, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the scope of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shockproof bridge construction is with assembled buttress structure convenient to pour, includes foundation ditch (1), concrete filler (3), metal stiffener (16) and damping (24), its characterized in that: the concrete foundation structure is characterized in that a metal upright post (2) is arranged on the inner side of the foundation pit (1), concrete filler (3) is arranged on the inner side of the foundation pit (1), a mounting groove (4) is formed in the metal upright post (2), a limiting block (5) is arranged on the inner side of the mounting groove (4), a connecting spring (6) is arranged on the limiting block (5), the connecting spring (6) is located on the inner side of the mounting groove (4), the limiting block (5) is connected with the metal upright post (2) through the connecting spring (6), a metal sleeve (7) is arranged on the outer side of the metal upright post (2), a limiting groove (8) is formed in the inner side of the metal sleeve (7), the metal upright post (2) is connected with the metal sleeve (7) through the limiting block (5) and the limiting groove (8), and a metal reinforcing plate (9) is arranged on, the metal sleeve (7) and the metal reinforcing plate (9) are respectively positioned at the inner sides of the first pier stud (10), the second pier stud (11), the third pier stud (12) and the bearing pier stud (13), the first pier stud (10), the second pier stud (11), the third pier stud (12) and the bearing pier stud (13) are sequentially distributed on the outer side of the metal upright (2) from bottom to top in a stacked manner, the inner sides of the first pier stud (10), the second pier stud (11) and the third pier stud (12) are respectively provided with a first slot (14), the inner side of the first slot (14) is provided with an insert stud (15), the insert studs (15) are respectively arranged at the lower surfaces of the second pier stud (11), the third pier stud (12) and the bearing pier stud (13), the inner side of the insert stud (15) is provided with a metal reinforcing rod (16), and the lower end of the metal reinforcing rod (16) is positioned at the inner side of the second slot (17), and second slot (17) are seted up in the below of first slot (14), insert and seted up spread groove (18) on post (15), and the below of inserting post (15) is provided with baffle (19), baffle (19) are located the inboard of first slot (14), and baffle (19) are located the inboard of adjustment tank (20) to the below of baffle (19) is provided with reset spring (21), the outside of adjustment tank (20) has been seted up and has been accomodate groove (22), and the inboard of accomodating groove (22) is provided with from lock stone (23), and from lock stone (23) through spread groove (18) with insert post (15) interconnect, the upper surface of bearing buttress post (13) is provided with damping (24).

2. The fabricated buttress structure convenient for pouring for seismic bridge construction according to claim 1, wherein: the number of the metal upright posts (2) is 2, and the 2 metal upright posts (2) are connected with the foundation pit (1) through concrete fillers (3) in a pouring mode.

3. The fabricated buttress structure convenient for pouring for seismic bridge construction according to claim 1, wherein: stopper (5) evenly distributed on metal stand (2), and stopper (5) constitute extending structure through coupling spring (6) and mounting groove (4) to stopper (5) are just cuing open and are the trapezium structure.

4. The fabricated buttress structure convenient for pouring for seismic bridge construction according to claim 1, wherein: the metal sleeve (7) is nested at the outer side of the metal upright post (2), and a limiting groove (8) at the inner side of the metal sleeve (7) is matched with the limiting block (5).

5. The fabricated buttress structure convenient for pouring for seismic bridge construction according to claim 1, wherein: the metal reinforcing plate (9) and the metal sleeve (7) are connected in a welding mode, the metal reinforcing plate (9) is distributed on the outer side of the metal sleeve (7) at equal intervals, and the metal reinforcing plate (9) and the metal sleeve (7) are connected with the first pier column (10), the second pier column (11), the third pier column (12) and the bearing pier column (13) in a pouring mode respectively.

6. The fabricated buttress structure convenient for pouring for seismic bridge construction according to claim 1, wherein: the interior structure of first pillar (10), second pillar (11), third pillar (12) and bearing pillar (13) is the same, and through first slot (14) and insert post (15) block connection between first pillar (10), second pillar (11), third pillar (12) and the bearing pillar (13).

7. The fabricated buttress structure convenient for pouring for seismic bridge construction according to claim 1, wherein: baffle (19) are just cut open for "L" style of calligraphy structure, and baffle (19) and adjustment tank (20) constitute sliding construction to baffle (19) and reset spring (21) constitute extending structure.

8. The fabricated buttress structure convenient for pouring for seismic bridge construction according to claim 1, wherein: the accommodating groove (22) is of an inclined structure, the self-locking stone (23) on the inner side of the accommodating groove (22) is of a cylindrical structure, and the self-locking stone (23) is matched with the connecting groove (18).