CN214005982U

CN214005982U - Supporting and connecting joint between columns with box-shaped cross sections

Info

Publication number: CN214005982U
Application number: CN202022288001.4U
Authority: CN
Inventors: 杜晓剑
Original assignee: Sinopec Engineering Group Co Ltd; Sinopec Ningbo Engineering Co Ltd; Sinopec Ningbo Technology Research Institute
Current assignee: Sinopec Engineering Group Co Ltd; Sinopec Ningbo Engineering Co Ltd; Sinopec Ningbo Technology Research Institute
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-08-20
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a box cross-section column supports connected node, frame steel column including box cross-section, frame girder steel and column steel support member, the frame steel column sets up upright, frame girder steel vertical fixation is on the frame steel column, column steel support member top-down divide into the three-section, upper end steel bracket promptly, interlude and lower extreme steel bracket, the upper end of upper end steel bracket welds on the frame girder steel in advance, the lower extreme of lower extreme steel bracket welds on the frame steel column in advance, the lower extreme of upper end steel bracket and the upper end fixed connection of interlude, the lower extreme of interlude and the upper end fixed connection of lower extreme steel bracket. The upper end steel corbel and the lower end steel corbel of the connecting node can be welded in advance in a steel structure processing factory and weld joint quality inspection is carried out, welding quality is guaranteed, each prefabricated component can be carried out in advance in the steel structure processing factory and then is transported to a construction site to be installed, the requirement of rapidly installing the steel support rod piece between the columns on the site is met, working hours are saved, and construction and installation cost is reduced.

Description

Supporting and connecting joint between columns with box-shaped cross sections

Technical Field

The utility model relates to a support connection structure between post specifically is a box cross-section support connected node between post.

Background

The inter-column support is a connecting rod piece arranged between two adjacent columns for ensuring the integral stability of the building structure, improving the lateral rigidity and transmitting the longitudinal horizontal force. Particularly, the support between columns plays an extremely important role in structural systems with small vertical rigidity, such as steel structures. At present, the domestic steel structure inter-column support is generally H-shaped steel, angle steel, channel steel and other common steel components, but in the petrochemical industry, along with the increase of the scale of a chemical plant, the size of a chemical reactor arranged on a steel frame is larger and higher, so that the volume and the height of the steel frame for supporting the reactor are larger and larger, particularly the floor layer height is higher, and the section form of the conventional steel frame inter-column support is difficult to meet the anti-seismic requirement.

In order to solve the problem, steel columns with box-shaped cross sections need to be supported during structural design, the total weight of the supports among the columns is much larger than that of common supports among the columns, so that the overall length of field installation is difficult, the traditional welding field installation workload is large, and the national standard map set does not have the method for connecting the supports among the columns.

In the prior art, the connection between the supports with box-shaped cross sections and the frame steel columns and the frame steel beams is usually realized in a large number of field welding modes, and when a single support with the weight of several tons is installed on the field, the support needs to be lifted and then starts to be welded until the welding is completed, so that the field welding workload is very large, whether the quality of a welding seam meets the requirement needs to be checked on the field, the construction and installation difficulty is high, the construction period is long, and the project commissioning time is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem that, to prior art not enough, provide a supporting connection node between box cross-section post, this connected node satisfies the requirement of on-the-spot quick installation steel shotcrete member between post, saves man-hour, reduces construction, installation cost.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a supporting connection node between box cross-section post, includes the frame steel column of box cross-section, frame girder steel and the steel support member between the post, the frame steel column set up upright, frame girder steel vertical fixation in the frame steel column on, the steel support member between the post divide into the three-section from top to bottom, upper end steel bracket, interlude and lower extreme steel bracket promptly, the upper end of upper end steel bracket weld in advance on the frame girder steel, the lower extreme of lower extreme steel bracket weld in advance on the frame steel column, the lower extreme of upper end steel bracket with the upper end fixed connection of interlude, the lower extreme of interlude with the upper end fixed connection of lower extreme steel bracket.

The utility model discloses box cross-section column supports connected node, its column steel support member divide into upper end steel bracket, interlude and lower extreme steel bracket three-section, the upper end of upper end steel bracket can be on the frame girder steel at steel construction processing factory prewelding, the lower extreme of lower extreme steel bracket can be on the frame steel column at steel construction processing factory prewelding, the prewelding of steel construction processing factory does benefit to and guarantees welding quality, and welding seam quality inspection also can carry out the processing factory at the steel construction, thereby can carry out prefabricated each component at steel construction processing factory in advance, transport to the job site installation again, and then satisfy the requirement of on-the-spot quick installation column steel support member, and man-hour is saved, reduce the construction, the installation cost.

Preferably, a plurality of first high-strength bolt connecting holes are reserved at the lower end of the upper end steel bracket, a plurality of second high-strength bolt connecting holes and a plurality of third high-strength bolt connecting holes are reserved at the upper end and the lower end of the middle section respectively, and a plurality of fourth high-strength bolt connecting holes are reserved at the upper end of the lower end steel bracket; the lower extreme of upper end steel bracket with the upper end of interlude and the lower extreme of interlude with the upper end of lower extreme steel bracket respectively through polylith gusset plate and a plurality of high strength bolt fixed connection, every the high strength bolt repair welding after screwing up. The first high-strength bolt connecting holes, the second high-strength bolt connecting holes, the third high-strength bolt connecting holes and the fourth high-strength bolt connecting holes can be processed in advance in a steel structure processing factory, and after the steel structure processing factory is transported to a construction site, the corresponding node plates and the high-strength bolts are installed, connected and welded, so that the inter-column support rod piece can be conveniently installed on the site.

Preferably, upper end steel corbel on seted up first hand hole, the upper end and the lower extreme of interlude seted up second hand hole and third hand hole respectively, lower extreme steel corbel on seted up fourth hand hole, first hand hole be close to a plurality of first high strength bolt connection holes's upside, second hand hole be close to a plurality of second high strength bolt connection holes's downside, third hand hole be close to a plurality of third high strength bolt connection holes's upside, fourth hand hole be close to a plurality of fourth high strength bolt connection holes's downside. The design of first hand hole, second hand hole, third hand hole and fourth hand hole, the convenience is carried out the repair welding operation to the high strength bolt after screwing up, and after the repair welding, the steel sheet is sealed to the manhole in each manhole punishment difference welding.

Preferably, the lengths of the upper end steel corbel and the lower end steel corbel are 0.8-1.3 m respectively.

Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses box cross-section column support connected node's steel support member between column divide into upper end steel bracket, interlude and lower extreme steel bracket three-section, the upper end of upper end steel bracket can be on the frame girder steel at steel construction processing factory prewelding, the lower extreme of lower extreme steel bracket can be on the frame steel column at steel construction processing factory prewelding, the prewelding of steel construction processing factory does benefit to and guarantees welding quality, and welding seam quality inspection also can go on at steel construction processing factory, thereby can carry out prefabricated each component at steel construction processing factory in advance, transport to the job site installation again, and then satisfy the requirement of on-the-spot quick installation column steel support member, and man-hour is saved, reduce the construction, the installation cost.

Drawings

FIG. 1 is a schematic structural diagram of a supporting and connecting node between columns with box-shaped cross sections in the embodiment.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The box-section inter-column support connection node of the embodiment, as shown in fig. 1, includes a frame steel column 1 with a box-section, a frame steel beam 2 and an inter-column steel support rod 3, the frame steel column 1 is vertically arranged, the frame steel beam 2 is vertically fixed on the frame steel column 1, the inter-column steel support rod 3 is divided into three sections from top to bottom, that is, an upper end steel bracket 31, a middle section 32 and a lower end steel bracket 33, the lengths of the upper end steel bracket 31 and the lower end steel bracket 33 are respectively 1.0m, the upper end of the upper end steel bracket 31 is welded on the frame steel beam 2 in advance, the lower end of the lower end steel bracket 33 is welded on the frame steel column 1 in advance, the lower end of the upper end steel bracket 31 is fixedly connected with the upper end of the middle section 32, and the lower end of the middle section 32 is fixedly connected with the upper end of the lower end steel bracket 33.

In this embodiment, a plurality of first high-strength bolt connection holes 34 are reserved on the upper end steel corbel 31, a plurality of second high-strength bolt connection holes 35 and a plurality of third high-strength bolt connection holes 36 are reserved on the upper end and the lower end of the middle section 32, and a plurality of fourth high-strength bolt connection holes 37 are reserved on the lower end steel corbel 33; the lower end of the upper end steel bracket 31 and the upper end of the middle section 32 and the lower end of the middle section 32 and the upper end of the lower end steel bracket 33 are fixedly connected through a plurality of node plates 38 and a plurality of high-strength bolts 39 respectively, and each high-strength bolt 39 is welded after being screwed down.

In this embodiment, the first hand hole 41 has been opened on the upper end steel corbel 31, the second hand hole 42 and the third hand hole 43 have been opened respectively to the upper end and the lower extreme of interlude 32, the fourth hand hole 44 has been opened on the lower extreme steel corbel 33, first hand hole 41 is close to the upside of a plurality of first high-strength bolt connecting holes 34, second hand hole 42 is close to the downside of a plurality of second high-strength bolt connecting holes 35, third hand hole 43 is close to the upside of a plurality of third high-strength bolt connecting holes 36, fourth hand hole 44 is close to the downside of a plurality of fourth high-strength bolt connecting holes 37.

The upper end of the upper steel bracket 31 can be welded on the frame steel beam 2 in advance in a steel structure processing factory, the lower end of the lower steel bracket 33 can be welded on the frame steel column 1 in advance in the steel structure processing factory, the pre-welding of the steel structure processing factory is beneficial to ensuring the welding quality, and the weld quality inspection can also be carried out in the steel structure processing factory, a plurality of first high-strength bolt connecting holes 34, a plurality of second high-strength bolt connecting holes 35, a plurality of third high-strength bolt connecting holes 36 and a plurality of fourth high-strength bolt connecting holes 37 can also be processed in advance in the steel structure processing factory, therefore, each component can be prefabricated in advance in a steel structure processing plant and then transported to a construction site for installation, the installation, connection and welding of the corresponding gusset plates 38 and the high-strength bolts 39 are completed, and then satisfy the requirement of the steel brace member 3 between the quick installation post of scene, save man-hour, reduce construction, installation cost.

Claims

1. The utility model provides a supporting connection node between box cross-section column which characterized in that, includes the frame steel column, frame girder steel and the steel bracing member between the column of box cross-section, the frame steel column set up upright, frame girder steel vertical fixation in the frame steel column on, the steel bracing member between the column divide into the three-section from top to bottom, be upper end steel corbel, interlude and lower extreme steel corbel, the upper end of upper end steel corbel weld in advance on the frame girder steel, the lower extreme of lower extreme steel corbel weld in advance on the frame steel column, the lower extreme of upper end steel corbel with the upper end fixed connection of interlude, the lower extreme of interlude with the upper end fixed connection of lower extreme steel corbel.

2. The supporting and connecting joint between columns with box-type cross sections as claimed in claim 1, wherein a plurality of first high-strength bolt connecting holes are reserved at the lower end of the upper end steel corbel, a plurality of second high-strength bolt connecting holes and a plurality of third high-strength bolt connecting holes are reserved at the upper end and the lower end of the middle section respectively, and a plurality of fourth high-strength bolt connecting holes are reserved at the upper end of the lower end steel corbel; the lower extreme of upper end steel bracket with the upper end of interlude and the lower extreme of interlude with the upper end of lower extreme steel bracket respectively through polylith gusset plate and a plurality of high strength bolt fixed connection, every the high strength bolt repair welding after screwing up.

3. A box-section intercolumnar bracing and connecting joint as claimed in claim 2, wherein said upper end steel corbel is provided with a first hand hole, said middle section upper end and lower end are provided with a second hand hole and a third hand hole respectively, said lower end steel corbel is provided with a fourth hand hole, said first hand hole is close to the upper side of said plurality of first high-strength bolt connecting holes, said second hand hole is close to the lower side of said plurality of second high-strength bolt connecting holes, said third hand hole is close to the upper side of said plurality of third high-strength bolt connecting holes, and said fourth hand hole is close to the lower side of said plurality of fourth high-strength bolt connecting holes.

4. The box-type cross-section inter-column support connecting joint according to claim 1, wherein the lengths of the upper end steel corbel and the lower end steel corbel are 0.8-1.3 m respectively.