Node structure of steel column top and truss

Abstract

The utility model relates to a node structure of steel column tops and trusses, which belongs to the technical field of constructional engineering and comprises four steel columns and trusses, and node structures used for being connected with the trusses are arranged at the tops of the steel columns. The node structure comprises a node connecting plate fixedly mounted at the tops of two adjacent steel columns, a bearing plate is fixedly mounted between the two adjacent steel columns, and two supporting rods are fixedly mounted at the top of the bearing plate. According to the node structure of the steel column top and the truss, the node connecting plate is installed at the connecting position of the steel column and the truss to connect the steel column and the truss, new stress points are added through the effects of the bearing plate, the supporting rod and the reinforcing connecting plate, and therefore stress borne by the node connecting plate is reduced; meanwhile, through the node connecting plate, the reinforcing connecting plate and the movable supporting top plate, the vertical load on the steel column can be effectively transmitted and dispersed to each rod piece of the truss, so that the stability of the whole structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, concretely is a kind of node structure of steel column top and truss. BACKGROUND

[0002] Steel column top and truss are the key connecting parts in steel structure, steel column top refers to the top end portion of steel structure stand, and truss is the grid-like support structure composed of multiple members. In building or bridge engineering, the node of steel column top and truss is responsible for effectively transmitting and dispersing the vertical load borne by the steel column to each member of the truss, while maintaining the overall stability and strength of the structure, which is an important link to ensure the safe operation of the entire steel structure system.

[0003] In modern building and bridge engineering, steel structure is widely used due to its high strength, good seismic performance and construction convenience. The node structure of steel column top and truss, as an important part of steel structure, directly affects the safety and reliability of the entire structure. However, the existing node structure of steel column top and truss has certain limitations, especially in terms of node contact area.

[0004] Currently, the node structure of steel column top and truss has the problem of small contact area, which leads to uneven distribution of load at the node, and the load is concentrated in a small area. This load concentration phenomenon increases the stress level in the node area, which causes the stress to concentrate at the node due to the small contact area, easily causing local fatigue damage and reducing the durability of the structure, thereby reducing the stability of the overall structure. Therefore, a node structure of steel column top and truss is proposed to solve the above-mentioned problems. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model provides a node structure of steel column top and truss, which has the advantages of improving the contact area of the node structure of steel column top and truss, and solves the problem of small contact range between the existing node and steel column top and truss, which easily causes stress concentration at the node, thereby easily causing local fatigue damage and reducing the stability of the overall structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A node structure of steel column top and truss, comprising four steel columns and a truss, the top of the steel column is provided with a node structure for connecting with the truss;

[0008] The node structure comprises a node connecting plate fixedly installed at the top of two adjacent steel columns, a bearing plate fixedly installed between the two adjacent steel columns, two support rods fixedly installed at the top of the bearing plate, a reinforcing connecting plate fixedly installed on the side of the support rod away from the bearing plate, a support cross plate movably installed at the bottom of the reinforcing connecting plate, a movable support top plate fixedly installed at the top of the support cross plate, two clamping seats fixedly installed at the top of the support cross plate, a bottom support connecting plate fixedly installed at the bottom of the support cross plate, and a support column fixedly installed at the bottom of the bottom support connecting plate.

[0009] Further, two high-strength screws are movably installed at the inner bottom wall of the truss, the high-strength screws slide through the inside of the truss, and the high-strength screws are screw-connected to the inside of the node connecting plate.

[0010] Further, the node connecting plate is movably installed at the bottom of the truss, and the two node connecting plates are located on the same plane on the left and right sides of the truss.

[0011] Further, the support rod is installed at an inclined angle, the left support rod is inclined to the right upper side, and the right support rod is inclined to the left upper side.

[0012] Further, the reinforcing connecting plate is movably installed at the bottom of the truss, the movable support top plate is movably installed at the bottom of the truss, and the movable support top plate is located between the two reinforcing connecting plates.

[0013] Further, the reinforcing connecting plate is movably installed at the bottom of the truss, the movable support top plate is movably installed at the bottom of the truss, and the movable support top plate is located between the two reinforcing connecting plates.

[0014] Further, the fastening screw slides through the inside of the bottom support connecting plate, and the fastening screw is screw-connected to the inside of the support cross plate.

[0015] Further, the bottom of the support column is located on the same plane as the bottom of the steel column, and the support column is located between the four steel columns.

[0016] Compared with the prior art, the node structure of the steel column top and the truss has the following beneficial effects:

[0017] 1. The node structure of the steel column top and the truss, which is installed at the connecting position of the steel column and the truss through the node connecting plate, connects the steel column and the truss, increases new stress points through the action of the bearing plate, the supporting rod and the reinforcing connecting plate, thereby reducing the stress borne by the node connecting plate, and simultaneously, through the node connecting plate, the reinforcing connecting plate and the movable supporting top plate, the vertical load on the steel column can be effectively transmitted and dispersed to each rod of the truss, thereby increasing the stability of the overall structure.

[0018] 2. The node structure of the steel column top and the truss, which is installed at the connecting position of the steel column and the truss through the node connecting plate, connects the steel column and the truss, increases new stress points through the action of the bearing plate, the supporting rod and the reinforcing connecting plate, thereby reducing the stress borne by the node connecting plate, and simultaneously, through the node connecting plate, the reinforcing connecting plate and the movable supporting top plate, the vertical load on the steel column can be effectively transmitted and dispersed to each rod of the truss, thereby increasing the stability of the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Fig. 2 It is a supporting horizontal plate and a seat connecting structure schematic view of the utility model;

[0021] Fig. 3 It is a bottom supporting connecting plate and a fastening screw connecting structure schematic view of the utility model.

[0022] In the drawing: 1, steel column; 2, truss; 3, high-strength screw; 4, node connecting plate; 5, bearing plate; 6, supporting rod; 7, reinforcing connecting plate; 8, supporting horizontal plate; 9, movable supporting top plate; 10, seat; 11, bottom supporting connecting plate; 12, supporting column; 13, fastening screw. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figs. 1 to 3 The node structure of the steel column top and the truss in the embodiment comprises four steel columns 1 and a truss 2, and the top of the steel column 1 is provided with a node structure for connecting with the truss 2.

[0025] In the embodiment, the node structure comprises two node connecting plates 4 fixedly installed on the top of two adjacent steel columns 1, and two high-strength screws 3 movably installed on the inner bottom wall of the truss 2, the high-strength screws 3 slidingly penetrating through the inside of the truss 2, and the high-strength screws 3 being screw-connected to the inside of the node connecting plate 4, the node connecting plate 4 being movably installed on the bottom of the truss 2, and the two node connecting plates 4 being respectively arranged on the same plane with the left and right sides of the truss 2.

[0026] It should be noted that the truss 2 and the node connecting plate 4 are fixed by the high-strength screws 3, so as to facilitate the disassembly and assembly of the node connecting plate 4 and the truss 2.

[0027] In the embodiment, the two adjacent steel columns 1 are fixedly installed with a bearing plate 5, and the top of the bearing plate 5 is fixedly installed with two support rods 6, the support rods 6 are installed at an inclined angle, the left support rod 6 is inclined to the right upper side, the right support rod 6 is inclined to the left upper side, the side away from the bearing plate 5 of the support rod 6 is fixedly installed with a reinforcing connecting plate 7, the bottom of the reinforcing connecting plate 7 is movably installed with a support cross plate 8, the top of the support cross plate 8 is fixedly installed with a movable support top plate 9, the reinforcing connecting plate 7 is movably installed on the bottom of the truss 2, the movable support top plate 9 is movably installed on the bottom of the truss 2, and the movable support top plate 9 is located between the two reinforcing connecting plates 7.

[0028] It should be noted that the bottom of the truss 2 is additionally supported, so as to facilitate the transmission of stress and increase the stability of the overall structure.

[0029] In the embodiment, the top of the support cross plate 8 is fixedly installed with two clamping seats 10, the inside of the reinforcing connecting plate 7 is provided with a positioning groove, the clamping seat 10 is slidingly connected in the inside of the positioning groove, the size of the clamping seat 10 is matched with the size of the positioning groove, the bottom of the support cross plate 8 is fixedly installed with a bottom support connecting plate 11, the bottom of the bottom support connecting plate 11 is fixedly installed with a support column 12, the bottom of the support column 12 is located on the same plane with the bottom of the steel column 1, the support column 12 is located between the four steel columns 1, the inside of the bottom support connecting plate 11 is movably installed with two fastening screws 13, the fastening screws 13 slidingly penetrating through the inside of the bottom support connecting plate 11, and the fastening screws 13 are screw-connected to the inside of the support cross plate 8.

[0030] It should be noted that the support column 12 additionally supports the overall truss 2, and the support column 12 absorbs part of the stress, so as to reduce the stress borne by the steel column 1.

[0031] It should be noted that the support cross plate 8 is connected with the reinforcing connecting plate 7 through the clamping seat 10, so as to facilitate the disassembly and assembly of the support cross plate 8.

[0032] The working principle of the above embodiment is as follows:

[0033] Firstly, the supporting column 12 is placed between the four steel columns 1, then the fastening screw 13 is screwed through the inner thread of the bottom supporting connecting plate 11 to the inner part of the supporting horizontal plate 8, then the two reinforcing connecting plates 7 are installed on the top of the supporting horizontal plate 8, at the same time, the clamping seat 10 is clamped into the inner part of the reinforcing connecting plate 7, then the truss 2 is installed on the top of the node connecting plate 4 by hoisting, at this time, the truss 2 is connected with the reinforcing connecting plate 7 and the movable supporting top plate 9, finally, the truss 2 is installed and connected with the node connecting plate 4 through the high-strength screw 3.

[0034] The mounting mode, connecting mode or setting mode disclosed in the embodiment are all common mechanical connecting modes, and can be implemented as long as the beneficial effects can be achieved. In addition, the electrical components appearing in the embodiment are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, and the control of the electrical components can be realized by simple programming by those skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle thereof will not be described in detail.

[0035] It should be noted that, in this document, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0036] It should be noted that, in this document, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A joint structure between a steel column top and a truss, comprising four steel columns and a truss, characterized in that: The top of the steel column is provided with a node structure for connection with the truss; The node structure includes a node connecting plate fixedly installed on the top of two adjacent steel columns, a bearing plate fixedly installed between the two adjacent steel columns, two support rods fixedly installed on the top of the bearing plate, a reinforcing connecting plate fixedly installed on the side of the support rod away from the bearing plate, and a supporting cross plate movably installed on the bottom of the reinforcing connecting plate. A movable support top plate is fixedly installed on the top of the support horizontal plate, two card holders are fixedly installed on the top of the support horizontal plate, and a bottom support connecting plate is fixedly installed on the bottom of the support horizontal plate. A support column is fixedly installed at the bottom of the bottom support connecting plate, and two fastening screws are movably installed inside the bottom support connecting plate.

2. The node structure between the top of a steel column and a truss according to claim 1, characterized in that: Two high-strength screws are movably installed on the inner bottom wall of the truss. The high-strength screws slide through the interior of the truss and are threaded to the interior of the node connection plate.

3. The node structure between the top of a steel column and a truss according to claim 1, characterized in that: The node connecting plate is movably installed at the bottom of the truss, and the opposite sides of the two node connecting plates are respectively located on the same plane as the left and right sides of the truss.

4. The node structure between the top of a steel column and a truss according to claim 1, characterized in that: The support rods are installed at an inclined angle, with the left support rod inclined to the upper right and the right support rod inclined to the upper left.

5. The node structure between the top of a steel column and a truss according to claim 1, characterized in that: The reinforcing connecting plate is movably installed at the bottom of the truss, and the movable support top plate is movably installed at the bottom of the truss, with the movable support top plate located between the two reinforcing connecting plates.

6. The node structure between the top of a steel column and a truss according to claim 1, characterized in that: The reinforcing connecting plate has a positioning groove inside, and the card holder is slidably connected inside the positioning groove. The size of the card holder is adapted to the positioning groove.

7. The node structure between the top of a steel column and a truss according to claim 1, characterized in that: The fastening screw slides through the interior of the bottom support connecting plate and is threaded into the interior of the support cross plate.

8. The node structure between the top of a steel column and a truss according to claim 1, characterized in that: The bottom of the support column is on the same plane as the bottom of the steel column, and the support column is located between the four steel columns.

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