CN214739255U - Variable-height truss girder with two solid web girder sections at two ends - Google Patents

Abstract

The utility model provides a both ends are become height truss girder of real web girder segment, relates to the building field. This both ends are height-variable truss girder of real web girder segment is including connecting gradually and the first low end linkage segment of top parallel and level, first height-variable section, high end truss girder segment, second height-variable section and second low end linkage segment, and the bottom surface of first low end linkage segment and second low end linkage segment is located the bottom surface top of high end truss girder segment, and first low end linkage segment and second low end linkage segment are worker shape real web girder. The both ends that this embodiment provided are the height-variable truss girder of real web girder segment, can adapt to the equipment pipeline of wearing to establish various different specification and dimension to can practice thrift steel and increase the floor and use net height.

Description

Variable-height truss girder with two solid web girder sections at two ends

Technical Field

The utility model relates to a building field particularly, relates to a both ends are becoming height-variable truss girder of real web girder segment.

Background

In the high-rise building of the steel frame-core tube structure system, in order to save the steel consumption of the steel beam, facilitate the penetration of the equipment pipeline in the beam height range and increase the use clear height of the floor, the floor steel beam can be latticed into the steel truss beam. When the steel truss girder is used in the floor, most of the line pipes such as water pipes and bridges can pass through the steel truss girder, but the air pipes with wide and flat sections can not pass through the steel truss girder because the width of the air pipes is larger than the clear distance between the adjacent diagonal web members of the truss girder. In order not to influence the overall net height of a floor, the local height of the truss girder needs to be reduced, and the wide and flat air ducts pass under the truss girder, but the existing floor girder is difficult to meet the requirement of the wide and flat air ducts.

Disclosure of Invention

An object of this application is to provide a both ends are the height-variable truss girder of real web girder segment, and it can adapt to and wear to establish various different specification and dimension's equipment pipeline to can practice thrift steel and increase the floor and use net height.

The embodiment of the application is realized as follows:

the embodiment of the application provides a both ends are high-altitude truss girder of real web girder section, it is including connecting gradually and the first low end linkage segment of top parallel and level, first height-changing section, high end truss girder section, second height-changing section and second low end linkage segment, the bottom surface of first low end linkage segment and second low end linkage segment is located the bottom surface top of high end truss girder section, first low end linkage segment and second low end linkage segment are worker shape real web girder.

In some optional embodiments, the high-end truss girder segment includes a high-truss segment T-shaped upper chord, a high-truss segment T-shaped lower chord, a plurality of groups of high-truss segment double angle steel web members arranged in a splayed shape, and a plurality of high-truss segment node plates, the high-truss segment T-shaped upper chord and the high-truss segment T-shaped lower chord are arranged up and down, and both ends of the high-truss segment T-shaped upper chord and the high-truss segment T-shaped lower chord are respectively connected with the first variable height segment and the second variable height segment, the top and the bottom of each group of high-truss segment double angle steel web members are respectively connected with the high-truss segment T-shaped upper chord and the high-truss segment T-shaped lower chord, each high-truss segment node plate is respectively connected with at least one high-truss segment double angle steel web member.

In some alternative embodiments, the first variable height section and the second variable height section are variable cross-sectional height i-shaped solid webs.

In some optional embodiments, the vertical rib plates are respectively arranged on two sides of the I-shaped solid web beam with the variable cross-section height.

In some optional embodiments, a first lower end truss beam section is connected between the first lower end connecting section and the first variable height section, a second lower end truss beam section is connected between the second variable height section and the second lower end connecting section, top surfaces of the first lower end truss beam section and the second lower end truss beam section are flush with the higher end truss beam section, and bottom surfaces of the first lower end truss beam section and the second lower end truss beam section are flush with the first lower end connecting section and the second lower end connecting section, respectively.

In some optional embodiments, each of the first and second lower end truss beam sections includes a lower truss section T-shaped upper chord, a lower truss section T-shaped lower chord, a plurality of sets of splayed lower truss section dual angle steel web members, and a plurality of lower truss section node plates, the lower truss section T-shaped upper chord and the lower truss section T-shaped lower chord are arranged up and down, the top and bottom of each set of lower truss section dual angle steel web members are connected to the lower truss section T-shaped upper chord and the lower truss section T-shaped lower chord respectively, each lower truss section node plate is connected to the lower truss section T-shaped upper chord or the lower truss section T-shaped lower chord respectively, and each lower truss section node plate is connected to at least one lower truss section dual angle steel web member respectively.

The beneficial effect of this application is: the both ends that this embodiment provided are height-variable truss girder of real web girder section is including connecting gradually and the first low end linkage segment of top parallel and level, first height-variable section, high end truss girder segment, second height-variable section and second low end linkage segment, the bottom surface of first low end linkage segment and second low end linkage segment is located the bottom surface top of high end truss girder segment, first low end linkage segment and second low end linkage segment are worker shape real web girder. The both ends that this embodiment provided are the height-variable truss girder of real web girder segment can adapt to the equipment pipeline of wearing to establish various different specification and dimension to can practice thrift steel and increase the floor and use net height.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a variable-height truss girder provided in embodiment 1 of the present application, both ends of which are solid web sections;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;

fig. 5 is a schematic structural view of a variable height truss girder provided in embodiment 2 of the present application, both ends of which are solid web sections;

fig. 6 is a sectional view taken along line D-D in fig. 5.

In the figure: 100. a first lower end connection section; 110. a first variable height section; 120. a high end truss beam section; 130. a second variable height section; 140. a second lower end connection section; 150. the high truss section is in a T shape and is chordal; 160. the high truss section is in a T shape and is lower than the chord; 170. a high truss section double-angle steel web member; 180. high truss section gusset plates; 190. a vertical rib plate; 200. a first lower end truss beam section; 210. a second lower end truss beam section; 220. the low truss section is in a T shape and is chordal; 230. a low truss section T-shaped lower chord; 240. a low truss section double angle steel web member; 250. a low truss section gusset plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The characteristics and properties of the present variable height truss girder with solid web sections at both ends are described in further detail below with reference to examples.

Example 1

As shown in fig. 1, 2, 3 and 4, an embodiment of the present application provides a height-variable truss girder having two ends both of which are solid web sections, which includes a first low-end connection section 100, a first height-variable section 110, a high-end truss girder section 120, a second height-variable section 130 and a second low-end connection section 140 that are connected in sequence and have flush tops, bottom surfaces of the first low-end connection section 100 and the second low-end connection section 140 are located above a bottom surface of the high-end truss girder section 120, and both the first low-end connection section 100 and the second low-end connection section 140 are i-shaped solid web girders.

Wherein the high end truss beam section 120 includes a high truss section T-shaped upper chord 150, a high truss section T-shaped lower chord 160, six groups of high truss section double-angle steel web members 170 and seven high truss section node plates 180 which are arranged in a splayed manner, wherein a high truss section T-shaped upper chord 150 and a high truss section T-shaped lower chord 160 are arranged up and down, and two ends of the high truss section T-shaped upper chord 150 and two ends of the high truss section T-shaped lower chord 160 are respectively connected with a first height-variable section 110 and a second height-variable section 130, the top and the bottom of each group of high truss section double-angle steel web members 170 are respectively connected with the high truss section T-shaped upper chord 150 and the high truss section T-shaped lower chord 160, three high truss section node plates 180 are respectively connected with the high truss section T-shaped upper chord 150 and the top of one group of high truss section double-angle steel web members 170, two high truss section node plates 180 are respectively connected with the high truss section T-shaped lower chord 160 and the bottoms of two adjacent high truss section double-angle steel web members 170, and two high truss section node plates 180 are respectively connected with the high truss section T-shaped lower chord 160 and the bottom of one high truss section double-angle steel web member 170; the four high truss section gusset plates 180 are respectively connected with the high truss section T-shaped lower chord 160 and the group of high truss section double-angle steel web members 170, the first variable-height section 110 and the second variable-height section 130 are variable-section height H-shaped solid web beams, and two sides of the variable-section height H-shaped solid web beams at the variable-section height position are respectively provided with a vertical rib plate 190 extending along the height direction.

The high-height truss girder provided in this embodiment includes a first low end connection section 100, a first variable height section 110, a high end truss girder section 120, a second variable height section 130, and a second low end connection section 140 that are sequentially connected and have flush tops, bottom surfaces of the first low end connection section 100 and the second low end connection section 140 are located above a bottom surface of the high end truss girder section 120, so that the first low end connection section 100, the first variable height section 110, the high end truss girder section 120, the second variable height section 130, and the second low end connection section 140 are connected between a steel column and a wall to form a high end truss girder having variable heights at both ends relative to a middle portion, the high end truss girder section 120 includes a high truss section T-shaped upper chord 150 and a high truss section T-shaped lower chord 160 that are arranged up and down, and a high section dual-web bar 170 having a top and a bottom connected to the high truss section T-shaped upper chord 150 and the high truss section T-shaped lower chord 160 respectively, therefore, the two ends of the high-end truss girder section 120 are stably connected with the first variable-height section 110 and the second variable-height section 130, and sufficient space is provided for the arrangement and routing of pipelines and wide and flat air pipes on the two sides of the high-height truss girder while the connection strength is ensured.

By arranging the high truss section gusset plates 180, six high truss section gusset plates 180 are respectively connected with the high truss section T-shaped upper chord 150 and the group of high truss section double-angle steel web members 170, and four high truss section gusset plates 180 are respectively connected with the high truss section T-shaped lower chord 160 and the group of high truss section double-angle steel web members 170, the structural strength of the high-end truss beam section 120 can be effectively improved; first variable-height section 110 and second variable-height section 130 all include the height worker shape solid web girder segment and locate respectively and highly change the vertical floor 190 that extends along the direction of height of department of height worker shape solid web girder segment both sides, can effectual improvement first variable-height section 110 and second variable-height section 130's structural strength, guarantee first low end linkage section 100 and second low end linkage section 140 respectively and high end truss girder segment 120 between the stability of being connected.

Example 2

As shown in fig. 5 and 6, the present embodiment provides a variable-height truss girder having two ends both of which are solid web sections, which has substantially the same structure as the variable-height truss girder provided in embodiment 1, except that in this embodiment, a first lower end truss girder section 200 is connected between the first lower end connection section 100 and the first variable-height section 110, a second lower end truss girder section 210 is connected between the second variable-height section 130 and the second lower end connection section 140, top surfaces of the first lower end truss girder section 200 and the second lower end truss girder section 210 are flush with the upper end truss girder section 120, and bottom surfaces of the first lower end truss girder section 200 and the second lower end truss girder section 210 are flush with the first lower end connection section 100 and the second lower end connection section 140, respectively.

The first and second lower end truss beam sections 200 and 210 each include a low truss section T-shaped upper chord 220, a low truss section T-shaped lower chord 230, four sets of splayed low truss section double angle web members 240 and four low truss section gusset plates 250, the upper chord 220 of the low truss section T-shaped and the lower chord 230 of the low truss section T-shaped are arranged up and down, the top and the bottom of each group of low truss section double-angle steel web members 240 are respectively connected with the upper chord 220 of the low truss section T-shaped and the lower chord 230 of the low truss section T-shaped, one low truss section node plate 250 in the first low end truss beam section 200 and the second low end truss beam section 210 is respectively connected with the upper chord 220 of the low truss section T-shaped and a pair of low truss section double-angle steel web members 240, one low truss section node plate 250 is respectively connected with the lower chord 230 of the low truss section T-shaped and two adjacent low truss section double-angle steel web members 240, and the two low truss section node plates 250 are respectively connected with the lower chord 230 of the low truss section T-shaped and one low truss section double-angle steel web member 240.

In the embodiment, a high-height truss girder having solid web sections at both ends is connected between a first lower end connection section 100 and a first variable height section 110 with a first lower end truss girder section 200, a second lower end truss girder section 210 is connected between a second variable height section 130 and a second lower end connection section 140, top surfaces of the first lower end truss girder section 200 and the second lower end truss girder section 210 are flush with a higher end truss girder section 120, bottom surfaces of the first lower end truss girder section 200 and the second lower end truss girder section 210 are flush with the first lower end connection section 100 and the second lower end connection section 140, respectively, wherein the first lower end truss girder section 200 and the second lower end truss girder section 210 each include a lower truss section T-shaped upper chord 220 and a lower truss section T-shaped lower chord 230 arranged up and down, and four sets of lower truss section dual-web rods having top and bottom ends connected to both sides of the lower truss section T-shaped upper chord 220 and the lower truss section T-shaped lower chord 230, meanwhile, the low truss section gusset plates 250 respectively connected with the low truss section T-shaped upper chord 220 and the two adjacent low truss section double-angle steel web members 240 and the low truss section gusset plates 250 respectively connected with the low truss section T-shaped lower chord 230 and the two adjacent low truss section double-angle steel web members 240 are arranged, so that the structural strength of the first low-end truss girder section 200 and the second low-end truss girder section 210 can be effectively improved, and routing and installation of equipment from two sides of the first low-end truss girder section 200 and the second low-end truss girder section 210 are facilitated.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims (6)

1. The utility model provides a both ends are height-variable truss girder of real web girder section, its characterized in that, its is including the first low end linkage segment, first height-variable section, high end truss girder segment, the second height-variable section and the second low end linkage segment that connect gradually and the top parallel and level, first low end linkage segment with the bottom surface of second low end linkage segment is located the bottom surface top of high end truss girder segment, first low end linkage segment with second low end linkage segment is worker's shape real web girder.

2. A variable height truss beam defined by solid web sections at both ends thereof as claimed in claim 1, the high-end truss beam section comprises a high truss section T-shaped upper chord, a high truss section T-shaped lower chord, a plurality of groups of high truss section double-angle steel web members arranged in a splayed shape and a plurality of high truss section node plates, the high truss section T-shaped upper chord and the high truss section T-shaped lower chord are arranged up and down, two ends of the high truss section T-shaped upper chord and the high truss section T-shaped lower chord are respectively connected with the first variable height section and the second variable height section, the top and the bottom of each group of high truss section double-angle steel web members are respectively connected with the high truss section T-shaped upper chord and the high truss section T-shaped lower chord, each high truss section gusset plate is respectively connected with the high truss section T-shaped upper chord or the high truss section T-shaped lower chord, and each high truss section gusset plate is respectively connected with at least one high truss section double-angle steel web member.

3. The variable height truss beam defined in claim 1 wherein said first and second variable height sections are variable cross-section height i-section solid web beams.

4. The truss girder of claim 3, wherein the I-shaped solid web girder has vertical ribs on both sides of the height of the cross section.

5. The high-height truss girder having solid web sections at both ends thereof as claimed in claim 1, wherein a first low-end truss girder section is connected between the first low-end connection section and the first variable-height section, a second low-end truss girder section is connected between the second variable-height section and the second low-end connection section, top surfaces of the first low-end truss girder section and the second low-end truss girder section are flush with the high-end truss girder section, and bottom surfaces of the first low-end truss girder section and the second low-end truss girder section are flush with the first low-end connection section and the second low-end connection section, respectively.

6. The truss girder of claim 5 wherein each of the first and second lower truss girder segments comprises a lower truss segment T-shaped upper chord, a lower truss segment T-shaped lower chord, a plurality of sets of splayed lower truss segment double angle steel web members, and a plurality of lower truss segment gussets, wherein the lower truss segment T-shaped upper chord and the lower truss segment T-shaped lower chord are arranged in an up-down manner, wherein the top and bottom of each set of lower truss segment double angle steel web members are connected to the lower truss segment T-shaped upper chord and the lower truss segment T-shaped lower chord, respectively, and each of the lower truss segment gussets is connected to the lower truss segment T-shaped upper chord or the lower truss segment T-shaped lower chord, and wherein each of the lower truss segment gussets is connected to at least one of the lower truss segment double angle steel web members.

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