CN216380247U - Assembled thin-walled steel different-surface truss - Google Patents
Assembled thin-walled steel different-surface truss Download PDFInfo
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- CN216380247U CN216380247U CN202122519862.3U CN202122519862U CN216380247U CN 216380247 U CN216380247 U CN 216380247U CN 202122519862 U CN202122519862 U CN 202122519862U CN 216380247 U CN216380247 U CN 216380247U
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- chord
- lower chord
- web member
- truss
- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 41
- 239000010959 steel Substances 0.000 title claims abstract description 41
- 238000010030 laminating Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- PGTXKIZLOWULDJ-UHFFFAOYSA-N [Mg].[Zn] Chemical compound [Mg].[Zn] PGTXKIZLOWULDJ-UHFFFAOYSA-N 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses an assembled thin-wall section steel different-surface truss and relates to the field of trusses. This kind of assembled thin-walled steel antarafacial truss includes: the lower chord, the web member, the upper chord, bracing piece one, the connecting piece, the shaped steel of notch is offered for the leading flank to the lower chord, the lower chord is placed along the horizontal direction, the back of web member and the back laminating of lower chord, the web member lower extreme is connected in the back of lower chord, the shaped steel of notch is offered for the leading flank to the upper chord, the upper chord has two and is the structure of falling the V-arrangement and sets up in the top directly over of lower chord, the back of upper chord and the upper end back connection of web member, the bracing piece one has two and sets up side by side in the back middle part top of lower chord along vertical direction, the connecting piece sets up between the bracing piece one and with bracing piece interconnect. Through the back-to-back connection mode between the web members and the upper chord member and between the web members and the lower chord member, the side wall plates on two sides of the profile steel notch bear pressure in the vertical direction, and therefore the support span of the assembly type thin-wall profile steel different-surface truss is improved.
Description
Technical Field
The utility model relates to the field of trusses, in particular to an assembled thin-wall section steel different-surface truss.
Background
In the existing breeding project, according to the process planning and the actual use requirements, the single span of part of houses is increasingly large, a roof supporting structure is usually built by a plane truss, for example, a patent with the name of a triangular truss type roof truss disclosed by a Chinese patent database is disclosed as CN200946352Y, and the publication date is 2007.09.12, and the triangular truss type roof truss is composed of two C-shaped steel upper chords, a C-shaped steel lower chord and web members between the upper chord and the lower chord; connecting pieces for connecting the upright posts are arranged at the two end parts of the triangular roof truss; the notches of the upper chord member and the lower chord member are opposite, the web members are C-shaped steel with the width smaller than the notches of the upper chord member and the lower chord member, and the upper end and the lower end of each web member are respectively inserted into and fixed in the grooves of the upper chord member and the lower chord member.
The existing plane truss can only be suitable for houses with single span within 12 meters due to the structural characteristics, the size of the single span breeding house is greatly limited, and the requirement of breeding scale enlargement cannot be met.
SUMMERY OF THE UTILITY MODEL
The application provides an assembled thin-walled steel different-surface truss for solve the problem that the span is little for the single span that the plane truss leads to.
The embodiment of the application provides an assembled thin-walled shaped steel antarafacial truss, includes:
the lower chord is formed by profile steel with a notch formed in the front side surface;
the lower end of the web member is connected to the back of the lower chord;
the upper chord is profile steel with a notch formed in the front side surface, two inverted V-shaped structures are arranged right above the lower chord, and the back surface of the upper chord is connected with the upper end of the web member;
two first support rods are arranged above the middle part of the back surface of the lower chord in parallel along the vertical direction, and the first support rods are used for fixing the end parts of the corresponding upper chord above the lower chord;
and the connecting piece is arranged between the first supporting rods and connects the first supporting rods with each other.
On the basis of the technical scheme, the utility model can be further improved as follows:
further: the connecting piece is the zinc-plated flat board, the connecting piece has the polylith and along vertical interval arrangement in proper order. The beneficial effect of this step: the first support rods are connected into a whole through the galvanized flat plate.
Further: the included angle between the web member and the upper chord member and between the web member and the lower chord member is 30-60 degrees. The beneficial effect of this step: thereby ensuring that the web member has good force transmission effect.
Further: the two supporting rods are vertically arranged, and the two ends of the two supporting rods are connected with the lower chord and the upper chord respectively. The beneficial effect of this step: the stability of the structure is further improved through the second support rod.
Further: further comprising: the supporting piece is of a triangular structure and is connected between the web member and the lower chord. The beneficial effect of this step: the bearing capacity and the force transmission effect of the web members are improved through the supporting pieces, so that the supporting span of the assembled thin-wall section steel different-surface truss is convenient to expand.
Compared with the prior art, the utility model has the beneficial effects that: through the connected mode back to back between web member and upper chord member, the lower chord member, set up the notch along the horizontal direction for the lateral wall board in shaped steel notch both sides bears pressure in vertical direction, thereby improved the holistic support ability of this kind of assembled thin-walled shaped steel different face truss, with this support span that has improved this kind of assembled thin-walled shaped steel different face truss.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view taken along a-a in fig. 1.
Wherein,
1, a lower chord;
2, a web member;
3, upper chord;
4, supporting a first rod;
5, connecting pieces;
6, supporting a second rod;
7 supporting piece, 701 board I and 702 board II.
Detailed Description
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; the mechanical connection can be realized by selecting a proper connection mode in the prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding; or an electrical connection, transmitting energy or signals by electricity; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in fig. 1-2, a fabricated thin-walled steel truss with different surfaces comprises: the lower chord 1 is formed by profile steel with a notch on the front side, the lower chord 1 is placed along the horizontal direction, the web member 2 is formed by notch profile steel with the front side, the back surface of the web member 2 is attached to the back surface of the lower chord 1, the lower end of the web member 2 is connected to the back surface of the lower chord 1, the upper chord 3 is formed by profile steel with a notch on the front side, the upper chord 3 is provided with two inverted V-shaped structures and symmetrically arranged right above the lower chord 1, the back surface of the upper chord 3 is connected with the back surface of the upper end of the web member 2, the support rods one 4 are provided with two and parallelly arranged above the middle part of the back surface of the lower chord 1 along the vertical direction, the support rods one 4 are used for fixing the end parts of the corresponding upper chord 3 above the lower chord 1, the connecting members 5 are arranged between the support rods one 4 and mutually connect the support rods one 4, the upper chords 3 with the symmetrical structures are connected into a whole through the support rods one 4, thereby improving the stability of the overall structure.
As shown in fig. 1, the fabricated thin-walled steel truss with different surfaces further comprises: the two supporting rods 6 and the two supporting rods 6 are provided with two backs respectively arranged at two ends of the lower chord 1, the two supporting rods 6 are vertically arranged, and two ends of the two supporting rods are respectively connected with the lower chord 1 and the upper chord 3, so that the two supporting rods 6 further improve the structural stability.
As shown in fig. 1, the lower chord 1, the web member 2, the upper chord 3, the first support rod 4 and the second support rod 6 are all made of C-shaped steel, specifically, high-strength finished aluminum-plated magnesium-zinc steel strips are adopted and are bent into a C-shaped steel by equipment, the notches are openings of the C-shaped steel, the notches of the upper chord 3 and the lower chord 1 are arranged towards the front side, the web member 2, the first support rod 4 and the second support rod 6 are arranged towards the rear side, the back surfaces of the upper chord 3, the lower chord 1, the web member 2, the first support rod 4 and the second support rod 6 are mutually attached and connected through screws, the screws adopt a fine tooth dacromet corrosion prevention process 5.5 phi 20 hexagon head self-drilling nail, the joints are all connected through three screws, the first support rod 4 and the second support rod 6 are mainly used for connecting the upper chord 3 to the right upper side of the lower chord 1, so that the upper chord 3, the first support rod 4 and the second support rod 6 form a frame structure, the first support rod 4 and the second support rod 6 play a shaping role.
As shown in fig. 1, the connecting member 5 is a galvanized flat plate, three connecting members 5 are sequentially arranged at intervals in the vertical direction, and the connecting plate connects the two first support rods 4 with each other through screws.
The web member 2 mainly plays a role in force transmission between the upper chord 3 and the lower chord 1, and an included angle between the web member 2 and the upper chord 3 and an included angle between the web member 2 and the lower chord 1 are between 30 degrees and 60 degrees, so that the web member 2 has a good force transmission effect.
The fabricated thin-walled steel truss with different surfaces as shown in fig. 1 further comprises: the supporting pieces 7 are triangular structures and connected between the web members 2 and the lower chords 1, specifically, the supporting pieces 7 are connected between the upper ends and the lower ends of the web members 2 respectively, the supporting pieces 7 are also connected with the corresponding upper chords 3 and the corresponding lower chords 1 respectively, and the two supporting pieces 7 are arranged on the same web member 7 because if one long supporting piece 7 along the web members 2 is adopted, the cost is increased more, the weight of the assembled thin-wall section steel special-surface truss is increased more, and the processing and the installation of the supporting pieces 7 are not facilitated; the support 7 includes: the first plate 701 and the first plate 702 are provided with three first plates 701, a right-angled triangle structure is formed between the first plates 701 in a welding or bolt connection mode, the first plate 702 is connected to the longest side of the first plate 701 in a direction perpendicular to the first plate 701, the plate surface of the first plate 701 is arranged in a direction perpendicular to the back surface of the web member 2, the plate surface of the first plate 702 is arranged in a direction parallel to the back surface of the web member 2, the extending direction of the long side of the first plate 702 is the same as the extending direction of the long side of the corresponding web member, the first plate 702 is connected with the back surface of the web member through screws, the upper chord member 3 and the lower chord member 1 are connected with the first plate 701 correspondingly attached through screws, stable support of the web member is achieved through the stability of the triangle, the force transmission capacity of the web member is enhanced, and the support capacity of the assembled thin-wall section steel different-surface truss is improved.
Through the connected mode back to back between web member 2 and upper chord 3, lower chord 1 for the notch sets up along the horizontal direction, shaped steel notch both sides lateral wall board bears pressure in vertical direction, so upper chord 3 and lower chord 1 have four lateral wall boards to support, compare in the current structure notch along vertical direction setting, can go out two block boards more and support, thereby improved the holistic support ability of this kind of assembled thin-walled shaped steel different face truss, can improve the support span.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (5)
1. The utility model provides an assembled thin-walled shaped steel antarafacial truss which characterized in that includes:
the lower chord is formed by profile steel with a notch formed in the front side surface;
the lower end of the web member is connected to the back of the lower chord;
the upper chord is profile steel with a notch formed in the front side surface, two inverted V-shaped structures are arranged right above the lower chord, and the back surface of the upper chord is connected with the upper end of the web member;
two first support rods are arranged above the middle part of the back surface of the lower chord in parallel along the vertical direction, and the first support rods are used for fixing the end parts of the corresponding upper chord above the lower chord;
and the connecting piece is arranged between the first supporting rods and connects the first supporting rods with each other.
2. The fabricated thin-walled steel truss with different surfaces as claimed in claim 1, wherein the connecting members are galvanized flat plates, and the connecting members are arranged in a plurality of vertically spaced-apart rows.
3. The fabricated thin-walled steel truss section of claim 1 wherein the web members are angled between 30 ° and 60 ° from the upper and lower chords.
4. The fabricated thin-walled steel truss with different surfaces as claimed in claim 1, further comprising two second support rods, wherein the two second support rods are respectively disposed on the back surfaces of the two ends of the lower chord, and the two second support rods are vertically disposed and are respectively connected with the lower chord and the upper chord at the two ends.
5. The fabricated thin-walled steel truss of claim 1, further comprising: the supporting piece is of a triangular structure and is connected between the web member and the lower chord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122519862.3U CN216380247U (en) | 2021-10-19 | 2021-10-19 | Assembled thin-walled steel different-surface truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122519862.3U CN216380247U (en) | 2021-10-19 | 2021-10-19 | Assembled thin-walled steel different-surface truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216380247U true CN216380247U (en) | 2022-04-26 |
Family
ID=81245887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122519862.3U Active CN216380247U (en) | 2021-10-19 | 2021-10-19 | Assembled thin-walled steel different-surface truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216380247U (en) |
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2021
- 2021-10-19 CN CN202122519862.3U patent/CN216380247U/en active Active
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