CN217003368U

CN217003368U - Bent angle channel-section steel support connected node structure

Info

Publication number: CN217003368U
Application number: CN202220237633.4U
Authority: CN
Inventors: 霍连锋; 李长亭; 马同峰
Original assignee: China Automobile Industry Engineering Co Ltd
Current assignee: China Automobile Industry Engineering Co Ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-19
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a corner channel steel bracket connecting node structure which is used for connecting a hanging post and a cross arm of an assembly type support hanger, wherein the hanging post and the cross arm are vertically arranged, an L-shaped bent connecting piece is arranged in an upper right-angle area of the hanging post and the cross arm, an L-shaped inequilateral connecting piece with a stiffening rib is arranged in a lower right-angle area of the hanging post and the cross arm, and a horizontal part of the L-shaped bent connecting piece and a horizontal part of the L-shaped inequilateral connecting piece are respectively arranged on the upper surface and the lower surface of the cross arm. According to the utility model, through a simpler connecting piece, the bearing capacity of the corner channel steel (namely thin-wall C-shaped steel) assembly type support hanger node is effectively improved, the influence of installation errors on the bearing capacity weakening of the support hanger is reduced, and the bearing capacity of the corner channel steel support hanger is increased.

Description

Bent angle channel-section steel support connected node structure

Technical Field

The utility model relates to the technical field of bent angle channel steel support connecting node structures, in particular to a bent angle channel steel support connecting node structure.

Background

For the sake of beauty and convenient installation, the prior support and hanger of a plurality of industrial and civil buildings adopts a bent angle channel steel assembly type support and hanger. The existing angle groove steel assembly type support and hanger adopts a special connecting piece and a spring nut to connect when connecting a hanging post and a cross arm. The friction force generated by the spring nut transfers the pipeline load to the suspension post through the cross arm. Such a connection method has the following problems:

1. the friction force generated by the spring nut is small (the conventional friction force is less than or equal to 8kN), the supporting and hanging bracket is limited by the bearing capacity of the connecting node, and the bearing capacity of the cross arm cannot be fully exerted;

2. the corresponding friction force can be achieved only by applying specific torque to the spring nut, and the construction control condition is strict;

3. in the using process, the connecting piece is loosened due to the shaking of the support and hanger frame, so that the support and hanger frame is possibly deformed or the bearing capacity is reduced, and the work is quitted;

4. the connecting piece is more in kind, and the complicated field construction management of being inconvenient for of preparation surely.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a corner channel steel bracket connecting node structure aiming at the technical defects in the prior art.

The technical scheme adopted for realizing the purpose of the utility model is as follows:

a bent angle channel steel bracket connection node structure is used for connecting a hanging post and a cross arm of an assembly type support hanger, the hanging post and the cross arm are vertically arranged, an L-shaped bent connecting piece is arranged in an upper right-angle area of the hanging post and the cross arm, an L-shaped unequal-side connecting piece with a stiffening rib is arranged in a lower right-angle area of the hanging post and the cross arm, a horizontal part of the L-shaped bent connecting piece and a horizontal part of the L-shaped unequal-side connecting piece are respectively arranged on the upper surface and the lower surface of the cross arm, a horizontally arranged washer is arranged between the horizontal part of the L-shaped bent connecting piece and the upper surface of the cross arm, and a vertically arranged bolt penetrates through the horizontal part of the L-shaped unequal-side connecting piece, the cross arm, the horizontally arranged washer and the horizontal part of the L-shaped bent connecting piece to be screwed and connected; the vertical part of the L-shaped bent connecting piece and the vertical part of the L-shaped inequilateral connecting piece are respectively contacted with the side surface of the suspension post, the vertical part of the L-shaped bent connecting piece, the vertical part of the L-shaped inequilateral connecting piece and the suspension post are penetrated by a horizontally arranged bolt, the front end of the vertical part of the L-shaped bent connecting piece and the suspension post extend out of the opposite side surface of the suspension post and then are screwed up and connected, and a vertically arranged washer is arranged between a nut of the horizontally arranged bolt and the suspension post.

Preferably, the L-shaped inequilateral connecting member is connected to the suspension post by two bolts spaced up and down and arranged horizontally.

Preferably, the horizontal part of the L-shaped inequilateral connecting piece, the cross arm, the horizontally arranged washer and the horizontal part of the L-shaped bent connecting piece are screwed and connected through a vertically arranged bolt.

Preferably, the vertical part of the L-shaped bent connecting piece is formed with an oblong hole corresponding to the horizontally arranged bolt, and the horizontal part is formed with a round hole corresponding to the vertically arranged bolt.

Preferably, the vertical part and the horizontal part of the L-shaped inequilateral connecting member are formed with round holes corresponding to the horizontally arranged bolts and the vertically arranged bolts.

Preferably, the number of the stiffening ribs is two, the stiffening ribs are arranged in parallel, and two ends of the stiffening ribs are respectively welded with the inner surfaces of the vertical part and the horizontal part of the L-shaped inequilateral connecting piece.

According to the utility model, through a simpler connecting piece, the bearing capacity of the corner channel steel (namely thin-wall C-shaped steel) assembly type support hanger node is effectively improved, the influence of installation errors on the bearing capacity weakening of the support hanger is reduced, and the bearing capacity of the corner channel steel support hanger is increased.

Drawings

Fig. 1 is a schematic view of the overall construction of the present invention.

Fig. 2-4 are schematic front, bottom and side views of the L-shaped inequilateral connector with stiffeners of the present invention.

Fig. 5-6 are side and front views of the washer of the present invention.

Fig. 7-9 are front, side, and top views of the L-bend connector of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 9, the bent angle channel steel bracket connection node structure of the embodiment of the present invention is used for connecting a suspension post 2 and a cross arm 1 of an assembly type support hanger, the suspension post is arranged perpendicular to the cross arm, an L-shaped bent connecting member 3 is arranged in an upper right-angle region of the suspension post and the cross arm, an L-shaped inequilateral connecting member 6 with a stiffening rib 7 is arranged in a lower right-angle region of the suspension post and the cross arm, a horizontal portion of the L-shaped bent connecting member and a horizontal portion of the L-shaped inequilateral connecting member are respectively arranged on upper and lower surfaces of the cross arm, a horizontally disposed washer is arranged between the horizontal portion of the L-shaped bent connecting member and the upper surface of the cross arm, and a vertically disposed bolt 5 penetrates through the horizontal portion of the L-shaped inequilateral connecting member, the cross arm, the horizontally disposed washer 4, and the horizontal portion of the L-shaped bent connecting member to screw them tightly; the vertical part of the L-shaped bent connecting piece and the vertical part of the L-shaped inequilateral connecting piece are respectively contacted with the side surface of the suspension post, the vertical part of the L-shaped bent connecting piece, the vertical part of the L-shaped inequilateral connecting piece and the suspension post are connected by screwing after penetrating through a horizontally arranged bolt and the front end of the vertical part of the L-shaped bent connecting piece extends out of the opposite side surface of the suspension post, and a vertically arranged washer 4 is arranged between a nut of the horizontally arranged bolt 5 and the suspension post.

As a preferred embodiment, the connection mode can adopt connection pieces such as unequal angle steel with stiffening ribs (L-shaped unequal connecting pieces with stiffening ribs), M12 high-strength galvanized bolts, 5mm thickened washers and 5mm thick bent steel plates (L-shaped bent connecting pieces) for connection, so that the pipeline load can be effectively transmitted to the suspension columns through the high-strength bolts.

As a preferred embodiment, the L-shaped inequilateral connecting member is connected to the suspension post by two bolts spaced up and down and arranged horizontally.

As a preferred embodiment, the horizontal part of the L-shaped inequilateral connecting member, the cross arm, the horizontally disposed washer, and the horizontal part of the L-shaped bent connecting member are screwed together by a vertically disposed bolt.

As a preferred embodiment, the vertical part of the L-shaped bent connecting piece is formed with an oblong hole 31 corresponding to the horizontally arranged bolt, and the horizontal part is formed with a circular hole 32 corresponding to the vertical part of the L-shaped bent connecting piece of the vertically arranged bolt.

As a preferred embodiment, the vertical part and the horizontal part of the L-shaped inequilateral connecting member are formed with round holes 8 corresponding to the horizontally arranged bolts and the vertically arranged bolts.

In a preferred embodiment, the two stiffening ribs 7 are arranged in parallel and welded to the inner surfaces of the vertical part and the horizontal part of the L-shaped inequilateral connecting member.

The washer is of a U-shaped groove structure, as shown in fig. 5 and 6, a bolt matching hole 41 is formed in the middle, and the washer can be buckled on the surface of a suspension pillar or a cross arm through the bent opposite edges on two sides to play a limiting role.

According to the utility model, through the simpler connecting piece, the bearing capacity of the corner channel steel (namely thin-wall C-shaped steel) assembly type support hanger node is effectively improved, the influence of installation errors on the weakening of the bearing capacity of the support hanger is reduced, and the bearing capacity of the corner channel steel support hanger is increased.

The embodiment of the utility model is mainly used for solving the problems of insufficient bearing capacity of a connecting joint of a suspension post and a cross arm of an assembly type support and hanger, excessive types of connecting pieces, inconvenience in construction and the like.

For the connecting node of the corner channel steel assembly type support and hanger lifting column and the cross arm, compared with the traditional friction type connecting node, the connecting node provided by the embodiment of the utility model has the following advantages:

1. the node shear resistance bearing capacity is high and is not less than 20kN, and the bearing capacity of the support and hanger frame is effectively improved;

2. the installation is convenient and fast, and only the bolts need to be fastened on site;

3. after the installation, the hanging post and the cross arm cannot deform, and the effective work of the supporting and hanging frame in the use stage is ensured;

4. the connecting pieces are fewer in types, and the manufacturing and field installation management are facilitated.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof;

the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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, and any reference signs in the claims are not to be construed as limiting the claims.

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 bent angle channel steel bracket connection node structure is used for connecting a hanging post and a cross arm of an assembly type support hanger, and the hanging post and the cross arm are vertically arranged, and is characterized in that an L-shaped bent connecting piece is arranged in an upper right-angle area of the hanging post and the cross arm, an L-shaped unequal-side connecting piece with a stiffening rib is arranged in a lower right-angle area of the hanging post and the cross arm, a horizontal part of the L-shaped bent connecting piece and a horizontal part of the L-shaped unequal-side connecting piece are respectively arranged on the upper surface and the lower surface of the cross arm, a horizontally arranged washer is arranged between the horizontal part of the L-shaped bent connecting piece and the upper surface of the cross arm, and a vertically arranged bolt penetrates through the horizontal part of the L-shaped unequal-side connecting piece, the cross arm, the horizontally arranged washer and the horizontal part of the L-shaped bent connecting piece to be screwed and connected; the vertical part of the L-shaped bent connecting piece and the vertical part of the L-shaped inequilateral connecting piece are respectively contacted with the side surface of the suspension post, the vertical part of the L-shaped bent connecting piece, the vertical part of the L-shaped inequilateral connecting piece and the suspension post are connected in a screwing way after penetrating through bolts horizontally arranged and the front ends of the vertical part and the suspension post extend out of the opposite side surface of the suspension post, and a washer vertically arranged is arranged between a nut of the horizontally arranged bolts and the suspension post.

2. The angled channel steel bracket connection node structure of claim 1, wherein the L-shaped inequilateral connectors are connected to the suspension posts by two horizontally spaced bolts.

3. The angled channel steel bracket connection node structure of claim 1, wherein the horizontal portion of the L-shaped inequilateral connector, the cross arm, the horizontally disposed washer, and the horizontal portion of the L-shaped bent connector are bolted together by a vertically disposed bolt.

4. The angled channel steel bracket connection node structure of claim 1, wherein the L-shaped bent connector has oblong holes formed in a vertical portion thereof corresponding to the horizontally disposed bolts and circular holes formed in a horizontal portion thereof corresponding to the vertically disposed bolts.

5. The angled channel steel bracket connection joint structure of claim 1, wherein the vertical and horizontal portions of the L-shaped inequilateral connectors are formed with circular holes corresponding to horizontally disposed bolts and vertically disposed bolts.

6. The angled channel steel bracket connection joint structure of claim 1, wherein the stiffening ribs are two, oppositely disposed in parallel, and welded at both ends to the inner surfaces of the vertical and horizontal portions of the L-shaped inequilateral connecting members, respectively.