CN212925734U

CN212925734U - Node connecting device of steel structure bridge

Info

Publication number: CN212925734U
Application number: CN202020713823.XU
Authority: CN
Inventors: 李益先; 王坚东; 闫龙; 陈康; 韩绪清
Original assignee: Jiangsu Wancheng Steel Structure Technology Co ltd
Current assignee: Jiangsu Wancheng Steel Structure Technology Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-04-09
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a node connecting device of a steel structure bridge, wherein the left side and the right side of a node main body are respectively clamped with a crossbeam, the bottom surfaces of the joints of the node main body and the left side crossbeam are assembled with a left side inclined bracket, the bottom surfaces of the joints of the node main body and the right side crossbeam are assembled with a right side inclined bracket, and connecting pieces are respectively assembled between the outer sides of the upper ends of the left side inclined bracket and the right side inclined bracket and the node main body and the crossbeam at the same side; the scheme utilizes the connecting piece to connect and fix the crossbeam, the inclined bracket and the node main body, and the node main body is further reinforced by adopting the reinforcing piece and the inclined bracket; the screws distributed in a semicircular manner in the scheme enable the screws to be stressed more uniformly, and meanwhile, the mounting holes in the cross beam are also distributed uniformly in a semicircular manner, so that uniform stress is facilitated, and the strength of the section steel is kept; utilize auxiliary connecting piece further to consolidate left side slope support and right side slope support, overall structure is stable, does not adopt the connected mode of welding machine, has avoided the node stress concentration.

Description

Node connecting device of steel structure bridge

Technical Field

The utility model relates to a steel structure bridge technical field specifically is a steel structure bridge's nodal connection device.

Background

Along with the continuous development of urban infrastructure construction, the construction scale of road bridges is continuously enlarged, and steel structure bridges have the advantages of short construction period, strong adaptability to various complex environments and the like, and are widely applied. The steel structure bridge mainly adopts various section steels to form a steel structure bridge main body through bolt connection or welding connection. The node form of each shaped steel at the junction has important influence on the stress state and the use safety of the steel structure bridge.

For the node form adopting bolt connection, too many mounting holes of bolts at the nodes are easy to cause that the strength of the section steel is reduced due to too many mounting holes processed; to the node form that adopts welded connection, many welds meet at the node, cause stress concentration easily, can cause unfavorable effect to the stress state of node, can reduce the joint strength of node, influence steel structure bridge's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel construction bridge's nodal connection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steel construction bridge's nodal connection device, includes the node main part, the equal joint in the left and right sides of node main part has the crossbeam, node main part and left side crossbeam junction bottom surface is equipped with left side inclined bracket, node main part and right side crossbeam junction bottom surface is equipped with right side inclined bracket, the upper end outside and the homonymy of left side inclined bracket and right side inclined bracket node main part and crossbeam between all be equipped with the connecting piece, be equipped with the reinforcement between left side inclined bracket and right side inclined bracket upper end and the node main part, the medial surface middle part of left side inclined bracket and right side inclined bracket is equipped with auxiliary connection spare.

Preferably, the connecting piece is including the flat board of fixed assembly in left side inclined bracket, right side inclined bracket upper end, dull and stereotyped upper surface outside vertical fixation is equipped with the screw rod, and the quantity of screw rod is five, five the screw rod semicircular in shape distributes, the equal fixed joint piece that is equipped with in the left and right sides of node main part, joint piece joint is in the reservation draw-in groove that the crossbeam medial surface was seted up, the junction upper surface laminating of node main part and crossbeam has the backing plate, the upper end of screw rod runs through crossbeam, joint piece and backing plate, the upper end spiro union of screw rod has the nut of laminating backing plate.

Preferably, the reinforcement includes the inboard joint board of vertical fixation assembly in dull and stereotyped upper surface, the cardboard groove has been seted up to the corresponding joint board in bottom surface of node main part, the joint integrated circuit board is connected in the cardboard inslot.

Preferably, the clamping plate comprises a first arc-shaped plate, a second arc-shaped plate and a third arc-shaped plate which are uniformly distributed from outside to inside, and the radiuses of the first arc-shaped plate, the second arc-shaped plate and the third arc-shaped plate are sequentially reduced from outside to inside.

Preferably, the auxiliary connecting piece includes the first diaphragm of fixed mounting in left side slope support medial surface middle part, right side slope support medial surface middle part fixed mounting has the second diaphragm, first diaphragm right side end downside fixed mounting has the connecting rod, connecting rod right-hand member fixed mounting has the rectangular block, the joint recess has been seted up to the bottom surface of second diaphragm corresponding connecting rod and rectangular block.

Compared with the prior art, this scheme has designed a steel construction bridge's nodal connection device, has following beneficial effect:

(1) the scheme adopts left side inclined bracket and right side inclined bracket supporting beam, utilizes the connecting piece to connect crossbeam, inclined bracket and node main part fixedly, and node main part department adopts reinforcement and inclined bracket to further consolidate simultaneously.

(2) Five screws in the semicircular distribution are adopted in the connecting piece in the scheme to be connected and fixed in a matching manner with nuts, the screws in the semicircular distribution enable the stress of the screws to be more uniform, and meanwhile, the mounting holes in the cross beam are also in the semicircular uniform distribution, so that the uniform stress is facilitated, and the strength of the profile steel is kept.

(3) Utilize auxiliary connecting piece further to consolidate left side slope support and right side slope support, left side slope support, right side slope support and auxiliary connecting piece constitute "A" font structure, and overall structure is stable, does not adopt the connected mode of welding machine, has avoided node stress concentration.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic top view of the structure of the middle clamping plate assembly of the present invention;

fig. 4 is a schematic bottom view of the auxiliary connecting member of the present invention.

In the figure: the node comprises a node 1 main body, a cross beam 2, a left inclined bracket 3, a right inclined bracket 4, a connecting piece 5, a flat plate 51, a clamping block 52, a screw rod 53, a backing plate 54, a nut 55, a reinforcing piece 6, a clamping plate groove 61, a clamping plate 62, a third arc plate 621, a second arc plate 622, a first arc plate 623, an auxiliary connecting piece 7, a first transverse plate 71, a second transverse plate 72, a connecting rod 73, a rectangular block 74 and a clamping groove 75.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides a steel construction bridge's nodal connection device, including node main part 1, the equal joint in the left and right sides of node main part 1 has crossbeam 2, node main part 1 and left side crossbeam 2 junction bottom surface are equipped with left side tilt frame 3, node main part 1 and right side crossbeam 2 junction bottom surface are equipped with right side tilt frame 4, all be equipped with connecting piece 5 between the upper end outside of left side tilt frame 3 and right side tilt frame 4 and node main part 1 and the crossbeam 2 of homonymy, be equipped with reinforcement 6 between left side tilt frame 3 and right side tilt frame 4 upper end and the node main part 1, the medial surface middle part of left side tilt frame 3 and right side tilt frame 4 is equipped with auxiliary connection spare 7.

This device main part is the steel, adopts left side tilt bracket 3 and right side tilt bracket 4 supporting beam 2, utilizes connecting piece 5 to connect crossbeam 2, tilt bracket and node main part 1 fixed, and node main part 1 department adopts reinforcement 6 and tilt bracket to further consolidate simultaneously.

The connecting piece 5 comprises a flat plate 51 fixedly assembled at the upper ends of the left inclined bracket 3 and the right inclined bracket 4, screw rods 53 are vertically and fixedly assembled at the outer side of the upper surface of the flat plate 51, the number of the screw rods 53 is five, the five screw rods 53 are distributed in a semicircular shape, clamping blocks 52 are fixedly assembled at the left side and the right side of the node main body 1, the clamping blocks 52 are clamped in reserved clamping grooves formed in the inner side surface of the cross beam 2, a backing plate 54 is attached to the upper surface of the joint of the node main body 1 and the cross beam 2, the upper end of each screw rod 53 penetrates through the cross beam 2, each clamping block 52 and the backing plate 54, a nut 55 attached to,

five screws 53 in the connecting piece 5 in the scheme are in semicircular distribution and are matched with nuts 55 for connection and fixation, the screws 53 in the semicircular distribution enable the screws 53 to be stressed more uniformly, and meanwhile, the mounting holes in the cross beam 2 are also in semicircular uniform distribution, so that uniform stress is facilitated, and the strength of the section steel is kept.

The reinforcing member 6 comprises a clamping plate 62 vertically and fixedly assembled on the inner side of the upper surface of the flat plate 51, a clamping plate groove 61 is formed in the bottom surface of the node main body 1 corresponding to the clamping plate 62, and the clamping plate 62 is clamped in the clamping plate groove 61; the clamping plate 62 comprises a first arc-shaped plate 623, a second arc-shaped plate 622 and a third arc-shaped plate 621 which are uniformly distributed from outside to inside, and the radiuses of the first arc-shaped plate 623, the second arc-shaped plate 622 and the third arc-shaped plate 621 are sequentially reduced from outside to inside.

The first arc-shaped plate 623, the second arc-shaped plate 622 and the third arc-shaped plate 621 are distributed in a petal shape, and are inserted into the corresponding clamping plate grooves 61 on the bottom surface of the node main body 1 through the equidistant arrangement of the first arc-shaped plate 623, the second arc-shaped plate 622 and the third arc-shaped plate 621, so that the node main body 1 is further reinforced by adopting the reinforcing piece 6 and the inclined bracket.

Auxiliary connecting piece 7 is including fixed assembly in the first diaphragm 71 in left side inclined bracket 3 medial surface middle part, and right side inclined bracket 4 medial surface middle part fixed assembly has second diaphragm 72, and first diaphragm 71 right side end downside fixed assembly has connecting rod 73, and connecting rod 73 right-hand member fixed assembly has rectangular block 74, and joint recess 75 has been seted up to the bottom surface of second diaphragm 72 corresponding connecting rod 73 and rectangular block 74.

Utilize auxiliary connecting piece 7 to further consolidate left side slope support 3 and right side slope support 4, left side slope support 3, right side slope support 4 and auxiliary connecting piece 7 constitute "A" font structure, and overall structure is stable, does not adopt the connected mode of welding machine, has avoided node stress concentration.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a node connecting device of steel construction bridge which characterized in that: including node main part (1), the equal joint in the left and right sides of node main part (1) has crossbeam (2), node main part (1) and left side crossbeam (2) junction bottom surface is equipped with left side slope support (3), node main part (1) and right side crossbeam (2) junction bottom surface is equipped with right side slope support (4), the upper end outside and the homonymy of left side slope support (3) and right side slope support (4) node main part (1) and crossbeam (2) between all be equipped with connecting piece (5), be equipped with between left side slope support (3) and right side slope support (4) upper end and node main part (1) reinforcement (6), the medial surface middle part of left side slope support (3) and right side slope support (4) is equipped with auxiliary connecting piece (7).

2. The node connecting device of the steel structure bridge as claimed in claim 1, wherein: connecting piece (5) are including fixed assembly in dull and stereotyped (51) of left side inclined bracket (3), right side inclined bracket (4) upper end, the perpendicular fixed screw rod (53) that is equipped with of upper surface outside of dull and stereotyped (51), and the quantity of screw rod (53) is five, five screw rod (53) semicircular in shape distributes, the left and right sides of node main part (1) all is fixed to be equipped with joint piece (52), joint piece (52) joint is in the reservation draw-in groove that crossbeam (2) medial surface was seted up, the junction upper surface laminating of node main part (1) and crossbeam (2) has backing plate (54), crossbeam (2), joint piece (52) and backing plate (54) are run through to the upper end of screw rod (53), the upper end spiro union of screw rod (53) has nut (55) of laminating backing plate (54).

3. The node connecting device of the steel structure bridge as claimed in claim 2, wherein: the reinforcing member (6) include perpendicular fixed assembly in inboard joint board (62) of dull and stereotyped (51) upper surface, the bottom surface of node main part (1) corresponds joint board (62) and has seted up cardboard groove (61), joint board (62) joint is in cardboard groove (61).

4. The node connecting device of the steel structure bridge as claimed in claim 3, wherein: the clamping plate (62) comprises a first arc-shaped plate (623), a second arc-shaped plate (622) and a third arc-shaped plate (621) which are uniformly distributed from outside to inside, and the radiuses of the first arc-shaped plate (623), the second arc-shaped plate (622) and the third arc-shaped plate (621) are sequentially reduced from outside to inside.

5. The node connecting device of the steel structure bridge as claimed in claim 3, wherein: auxiliary connecting piece (7) are including fixed mounting in first diaphragm (71) at left side inclined bracket (3) medial surface middle part, right side inclined bracket (4) medial surface middle part fixed mounting has second diaphragm (72), first diaphragm (71) right side end downside fixed mounting has connecting rod (73), connecting rod (73) right-hand member fixed mounting has rectangular block (74), joint recess (75) have been seted up to the bottom surface of second diaphragm (72) corresponding connecting rod (73) and rectangular block (74).