CN218969739U

CN218969739U - Steel construction bridge node connection structure

Info

Publication number: CN218969739U
Application number: CN202221906113.4U
Authority: CN
Inventors: 潘旺
Original assignee: Gansu Zhongjian Jiaoke Highway Engineering Co ltd
Current assignee: Gansu Zhongjian Jiaoke Engineering Consulting Co.,Ltd.
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-05-05
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a steel structure bridge node connecting structure, which relates to the technical field of steel structures and comprises a stand column and a beam assembly, wherein the beam assembly comprises a first beam and a second beam, the first beam and the second beam are respectively arranged on the left side wall and the right side wall of the stand column, and a mounting assembly for fixedly mounting the first beam and the second beam is arranged on the stand column. According to the utility model, through the upright post, the beam assembly and the matched installation assembly, the fixed installation of the bridge node position can be realized, the stress can be dispersed, and the firmness degree is improved.

Description

Steel construction bridge node connection structure

Technical Field

The utility model relates to the technical field of steel structures, in particular to a steel structure bridge node connection structure.

Background

The steel bridge is a bridge with a main bearing structure adopting steel, namely a steel structure bridge, the assembled steel bridge is widely applied in all parts of the world, and the main design concept is to assemble the assembled steel bridge capable of bearing various loads and different spans by using the least types of unit components.

The traditional steel structure generally adopts the field welding mode, needs to operate at the high altitude semi-empty area equipment, and the operation is complicated, welding technique relies on highly and has danger, has recently practiced the mode of adopting bolted connection, with crossbeam fixed connection and vertical beam both sides, however in the general bolted connection mode, need adopt bolt respectively with crossbeam fixed connection in vertical beam both sides, the bolt volume of connection is big, and because the crossbeam is separately fixed in the vertical beam both sides respectively, when the crossbeam atress of weighing, the junction atress is comparatively concentrated, has influenced the stability of junction, causes the steel structure deformation of junction easily.

Disclosure of Invention

The utility model aims at: in order to solve the problems, a steel structure bridge node connecting structure is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the steel structure bridge node connecting structure comprises a stand column and a beam assembly, wherein the beam assembly comprises a first beam and a second beam, the first beam and the second beam are respectively arranged on the left side wall and the right side wall of the stand column, and a mounting assembly for fixedly mounting the first beam and the second beam is arranged on the stand column;

the installation component includes two fixed ears, fixed ear is T type structure, and two fixed ear symmetry installs in the stand left and right sides, the through-hole has still been seted up in the fixed ear, peg graft in the through-hole has first bolt, first bolt runs through fixed ear in one side and stand and runs through from the fixed ear of opposite side, just first bolt other end screw thread spin is connected with first nut, fixed ear intermediate position cross-section is rectangular structure and with first crossbeam and the inside adaptation of second crossbeam.

As a further description of the above technical solution:

the waterproof cover is arranged at the top of the stand column in a covering mode, two mounting lugs are symmetrically and fixedly arranged at the lower ends of the sides of the waterproof cover, the mounting lugs are respectively attached to the upper end face of the cross beam on the same side, mounting holes are formed in the surfaces of the mounting lugs, second bolts penetrate through the side walls of the upper ends of the fixing lugs and the stand column and penetrate out of the mounting lugs on the other side, and second nuts are screwed at the other ends of the second bolts through threads.

As a further description of the above technical solution:

the lower end of the beam assembly is also provided with a supporting mechanism for supporting the auxiliary support, and the supporting mechanism comprises two supporting frames and a third bolt for connecting and fixing.

As a further description of the above technical solution:

the support frames are respectively attached to the lower end face of the cross beam and the surface of the fixing lug on the same side, and the third bolts penetrate through the two support frames and are fixed through third nuts.

As a further description of the above technical solution:

the support frame is triangular frame structure, and the fixed reinforcing plate that is equipped with in support frame intermediate position, the reinforcing plate is triangular structure.

As a further description of the above technical solution:

the position department that first crossbeam and second crossbeam and fixed ear are connected all is equipped with the positioning bolt of vertical direction, positioning bolt runs through installation ear and support frame and locks through positioning nut.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

according to the utility model, through the upright post, the beam assembly and the matched installation assembly, the fixed installation of the bridge node position can be realized, the stress can be dispersed, and the firmness degree is improved.

Drawings

FIG. 1 shows a schematic overall structure provided in accordance with the present utility model;

FIG. 2 shows a schematic cross-sectional structure of FIG. 1 provided in accordance with the present utility model;

fig. 3 shows an enlarged schematic view of the supporting frame of fig. 2 according to the present utility model.

Legend description: 1. a column; 2. a first cross beam; 3. a second cross beam; 4. a fixed ear; 5. a first bolt; 6. a waterproof cover; 7. a second bolt; 8. a support frame; 9. a third bolt; 10. positioning bolts; 81. reinforcing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a steel construction bridge node connection structure, includes stand 1 and beam assembly, and beam assembly includes first crossbeam 2 and second crossbeam 3, and first crossbeam 2 and second crossbeam 3 set up respectively at the left and right sides wall of stand 1, its characterized in that is equipped with the installation component that is used for fixed mounting first crossbeam 2 and second crossbeam 3 on the stand 1; the installation component includes two fixed lugs 4, and fixed lug 4 is T type structure, and two fixed lugs 4 symmetry install in the stand 1 left and right sides, still offer the through-hole in the fixed lug 4, peg graft in the through-hole has first bolt 5, and first bolt 5 runs through fixed lug 4 and stand 1 on one side and runs through from fixed lug 4 of opposite side, and the screw thread of first bolt 5 other end is screwed and is connected with first nut, and fixed lug 4 intermediate position cross-section is rectangular structure and with the inside adaptation of first crossbeam 2 and second crossbeam 3.

Further, the top of the upright post 1 is further covered with a waterproof cover 6, two mounting lugs are symmetrically and fixedly arranged at the lower end of the side of the waterproof cover 6, the mounting lugs are respectively attached to the upper end face of the cross beam on the same side, mounting holes are formed in the surfaces of the mounting lugs, second bolts 7 penetrate through the side walls of the upper ends of the fixing lugs 4 and the upright post 1 and penetrate out of the mounting lugs on the other side, and second nuts are screwed at the other ends of the second bolts 7 through threads.

Further, the lower end of the beam assembly is also provided with a supporting mechanism for supporting in an auxiliary way, and the supporting mechanism comprises two supporting frames 8 and a third bolt 9 for connecting and fixing; the support frames 8 are respectively attached to the lower end face of the cross beam on the same side and the surface of the fixing lug 4, and a third bolt 9 penetrates through the two support frames 8 and is fixed through a third nut;

the support frame 8 is of a triangular frame structure, a reinforcing plate 81 is fixedly arranged in the middle of the support frame 8, and the reinforcing plate 81 is of a triangular structure;

the position department that first crossbeam 2 and second crossbeam 3 and fixed ear 4 are connected all is equipped with the positioning bolt 10 of vertical direction, positioning bolt 10 runs through installation ear and support frame 8 and locks through the locating nut.

Working principle: when the waterproof fixing device is used, the two fixing lugs 4 are symmetrically attached to the left side and the right side of the upright 1, then the two first bolts 5 are inserted into the through holes and penetrate out of the fixing lugs 4 on the other side, the first nuts are screwed onto the first bolts 5 until the fixing lugs 4 are screwed down and fixed, the first cross beam 2 and the second cross beam 3 are further inserted onto the corresponding fixing lugs 4 respectively, the waterproof cover 6 is further covered on the top of the upright 1, the waterproof cover is further fixed through the second bolts 7, the support frame 8 is attached to the bottoms of the first cross beam 2 and the second cross beam 3, the third bolts are used for fixing, finally the positioning bolts 10 are vertically inserted onto the cross beams, and the positioning bolts 10 penetrate through the waterproof cover 6, the cross beam and the support frame and are finally fixed through the positioning nuts, so that the installation operation can be completed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a steel construction bridge node connection structure, includes stand (1) and beam assembly, beam assembly includes first crossbeam (2) and second crossbeam (3), first crossbeam (2) and second crossbeam (3) set up respectively at the left and right sides wall of stand (1), its characterized in that, be equipped with the installation component that is used for fixed mounting first crossbeam (2) and second crossbeam (3) on stand (1);

the installation component includes two fixed lugs (4), fixed lug (4) are T type structure, and two fixed lug (4) symmetry installs in stand (1) left and right sides, still seted up the through-hole in fixed lug (4), peg graft in the through-hole has first bolt (5), first bolt (5) run through fixed lug (4) and stand (1) on one side and run through from fixed lug (4) of opposite side, just first bolt (5) other end screw thread turn closes and is connected with first nut, fixed lug (4) intermediate position cross-section is rectangular structure and with first crossbeam (2) and the inside adaptation of second crossbeam (3).

2. The steel structure bridge node connecting structure according to claim 1, wherein the top of the upright post (1) is further covered with a waterproof cover (6), two mounting lugs are symmetrically and fixedly arranged at the side lower ends of the waterproof cover (6), the mounting lugs are respectively attached to the upper end face of the cross beam on the same side, mounting holes are formed in the surfaces of the mounting lugs, second bolts (7) penetrate through the mounting holes, the second bolts (7) penetrate through the side walls of the upper ends of the fixing lugs (4) and the upright post (1) and penetrate out of the mounting lugs on the other side, and second nuts are screwed at the other ends of the second bolts (7).

3. The steel structure bridge node connecting structure according to claim 1, wherein the lower end of the beam assembly is further provided with a supporting mechanism for supporting assistance, and the supporting mechanism comprises two supporting frames (8) and a third bolt (9) for connecting and fixing.

4. A steel structure bridge joint connection structure according to claim 3, wherein the supporting frames (8) are respectively attached to the lower end face of the cross beam and the surface of the fixing lug (4) on the same side, and the third bolts (9) penetrate through the two supporting frames (8) and are fixed through third nuts.

5. The steel structure bridge node connecting structure according to claim 4, wherein the supporting frame (8) is of a triangular frame structure, a reinforcing plate (81) is fixedly arranged in the middle of the supporting frame (8), and the reinforcing plate (81) is of a triangular structure.

6. The steel structure bridge node connecting structure according to any one of claims 2 to 5, wherein the positions where the first beam (2) and the second beam (3) are connected with the fixing lugs (4) are respectively provided with a positioning bolt (10) in the vertical direction, and the positioning bolts (10) penetrate through the mounting lugs and the supporting frame (8) and are locked through positioning nuts.