CN212561879U - Truss frame - Google Patents

Abstract

The utility model discloses a truss, the truss includes: the chord groups are arranged at intervals along the circumferential direction of a graph, each chord group comprises a plurality of chord bodies, and the chord bodies are sequentially detachably connected along a preset direction; the number of the connecting web rod groups is equal to that of the chord rod groups, each connecting web rod group comprises a plurality of connecting web rods distributed at intervals along the preset direction, and each connecting web rod is detachably connected with the chord rod bodies of two adjacent chord rod groups. According to the utility model discloses the truss can dismouting to most original part, makes things convenient for the packing transportation, and can adjust the quantity and/or the length of the chord body of rod according to on-the-spot actual conditions needs to lengthen or subtract short truss, also can adjust the length of connecting the web rod according to span and load condition, it is nimble convenient to use, and the installation is simple swift.

Description

Truss frame

Technical Field

The utility model relates to a fitment building technical field, more specifically relates to a truss.

Background

In the related art, temporary assembly structures, such as temporary stage supports, temporary construction platforms, billboard supports and the like, are assembled by using existing truss structures, and all rods and connecting pieces in the truss are welded and fixed together and cannot be disassembled, so that the temporary assembly structures are inconvenient to install, disassemble and transport.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses an aim at provides a truss, the truss can be dismantled and assembled to the most primitive part, facilitates the packing transportation.

According to the utility model discloses truss, include: the chord groups are arranged at intervals along the circumferential direction of a graph, each chord group comprises a plurality of chord bodies, and the chord bodies are sequentially detachably connected along a preset direction; the number of the connecting web rod groups is equal to that of the chord rod groups, each connecting web rod group comprises a plurality of connecting web rods distributed at intervals along the preset direction, and each connecting web rod is detachably connected with the chord rod bodies of two adjacent chord rod groups.

According to the utility model discloses the truss includes a plurality of chord member bodies of dismantling the connection each other through chord member group, connect web member group and include a plurality of web members of being connected of dismantling with the chord member body, make the truss can dismouting to original part, convenient packing transportation, and can adjust the quantity and/or the length of the chord member body according to on-the-spot actual conditions needs, in order to lengthen or subtract short truss, also can be according to span and load condition adjustment connection web member length, it is nimble convenient to use, the installation is simple swift.

In addition, the truss according to the above embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the truss of the present invention, the number of the chord groups is three or more.

According to some embodiments of the invention, two adjacent a plurality of in the chord group chord body position one-to-one and equidistance are arranged.

According to some embodiments of the invention, in each of the chord groups, two adjacent chord bodies are connected by a pin, and/or the connecting web member is connected to two adjacent chord groups by a pin.

According to some embodiments of the invention, each of the connecting web members is provided with at least part of the end portion of the connecting web member provided with a first connecting member, the connecting web member being detachably connected to the chord member.

According to some embodiments of the invention, in each of the chord group, two adjacent the ends of the chord bodies close to each other are all provided with a second connecting piece, two adjacent on the chord bodies the second connecting piece corresponds on the connecting web member the connection can be dismantled to the first connecting piece.

According to some embodiments of the utility model, the chord body of rod still is equipped with the third connecting piece, wherein, adjacent two connect among the web member group, adjacent two connect on the web member first connecting piece respectively with the second connecting piece with the connection can be dismantled to the third connecting piece one-to-one.

According to some embodiments of the invention, the third connector is located at a side portion of the chord body.

According to the utility model discloses a some embodiments, arbitrary adjacent two connect web member group connect the web member one-to-one setting, correspond the setting the central line of connecting the web member is located the coplanar, just the plane with it is perpendicular to predetermine the direction.

According to some embodiments of the present invention, the truss further comprises: and the first inhaul cable is used for connecting the web members in each connecting web member group, and every two adjacent connecting web members are crossed and tied through the first inhaul cable.

According to some embodiments of the utility model, every in connecting web member group, every connect the both ends of web member respectively with two first cable is connected, and adjacent two connect the heteronymy of web member and same first cable is connected.

According to some embodiments of the utility model, the both ends of connecting the web member are equipped with first otic placode respectively, first cable with the connection can be dismantled to first otic placode.

According to some embodiments of the utility model, at least two connect web member group and be parallel to each other, and two that are parallel to each other connect web member group connect the web member one-to-one setting, the truss still includes the second cable, corresponding two connect the web member to pass through the second cable alternately drawknot.

According to some embodiments of the utility model, the both ends of connecting the web member are equipped with the second otic placode respectively, the second cable with the connection can be dismantled to the second otic placode.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a truss according to an embodiment of the present invention;

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

FIG. 3 is an enlarged schematic view of FIG. 1 at circle B;

fig. 4 is an enlarged schematic view of the structure of fig. 2 at circle C.

Reference numerals:

a truss 100;

a chord group 10; a chord body 11; a second connecting member 111; a third connecting member 112;

a connecting web set 20; a connecting web member 21; a first connecting member 211; a first ear plate 212; a second ear well plate 213;

a plug pin 30;

a first cable 40; and a second cable 50.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a first feature" or "a second feature" may include one or more of the features, and "a plurality" means two or more, and the first feature may be "on" or "under" the second feature, and may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature therebetween, and the first feature being "on", "above" and "above" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is higher in level than the second feature.

A truss 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Referring to fig. 1, a truss 100 according to an embodiment of the present invention may include: a plurality of chord groups 10 and a plurality of connecting web groups 20.

Specifically, a plurality of chord groups 10 are arranged at intervals along the circumferential direction of a figure, each chord group 10 comprises a plurality of chord bodies 11, and the plurality of chord bodies 11 are sequentially detachably connected along a preset direction. Here, the "figure" may be a triangle, a quadrangle (as shown in fig. 2), a pentagon, or other polygons, etc. The "preset direction" may be a straight line direction (as shown in fig. 1), a broken line direction, or an arc line direction, so that the extending direction of the chord group 10 formed by connecting the plurality of chord bodies 11 corresponds to a straight line shape (as shown in fig. 1), a broken line shape, or an arc line shape.

As shown in fig. 1 and 2, the number of the connecting web groups 20 is equal to the number of the chord groups 10, each connecting web group 20 includes a plurality of connecting web members 21, and the plurality of connecting web members 21 are spaced apart in a predetermined direction. Each connecting web member 21 is detachably connected to the chord bodies 11 of two adjacent chord groups 10.

Therefore, all the chord bodies 11 in the plurality of chord groups 10 and all the connecting web members 21 in the plurality of connecting web member groups 20 can be connected into a complete three-dimensional frame, and the two connected chord bodies 11, the two connected connecting web members 21 and the two connected chord bodies 11 and the connecting web members 21 are detachably connected. When truss 100 is used for assembling stage temporary support, the interim platform of construction, interim package assembly such as bill-board support, need often relapse the dismouting, can according to actual conditions needs become solitary chord member body 11 and connection web member 21 with truss 100 split, dismouting to the most original part promptly, the size of single part is littleer and easily arrange in order and accomodate, has saved the transportation space greatly, provides very big convenience to the transportation.

In the detachable truss 100, the length and shape of each chord body 11, the length and shape of each connecting web member 21, the length and shape of each chord group 10, and the length and shape of each connecting web member 20 can be flexibly selected according to actual conditions, so that the assembled truss 100 can meet the requirements of different working conditions.

For example, span adjustment can be achieved by changing the number of chord bodies 11 in the chord group 10 for scenes of different spans. For example, when the load and the span are large, the length of the connecting web member 21 can be adjusted, the height of the truss 100 can be changed to improve the bearing capacity, and the adjustment is flexible and convenient. For example, for a scene of installing billboards (or stages) with different shapes, a truss 100 with a desired shape can be obtained by selecting a chord body 11 with a suitable shape, for example, the elongated truss 100 shown in fig. 1 can be used for assembling polygonal billboards such as square billboards, and for example, the truss 100 can be a heart-shaped truss 100 for installing heart-shaped billboards.

In the embodiment of the present invention, the number of the chord members 10 is three or more. For example, in the embodiment where the number of chord groups 10 is three, the "figure" is a triangle; in the embodiment where the number of the chord groups 10 is four, the "figure" is a quadrilateral, such as a square or a rectangle.

The number of chord groups 10 shown in fig. 1-4 is four for illustrative purposes, but it is obvious to one of ordinary skill after reading the technical solutions of the present application that the solution can be applied to three, five or more chord groups 10, which also falls within the protection scope of the present invention.

According to the utility model discloses truss 100 includes a plurality of chord member bodies 11 that can dismantle the connection each other through chord member group 10, connect web member group 20 and include a plurality of web members 21 of being connected with can dismantle with chord member body 11, make truss 100 can dismouting to primitive part, convenient packing transportation, and can adjust the quantity and/or the length of chord member body 11 according to on-the-spot actual conditions needs, in order to lengthen or subtract short truss 100, also can be according to span and load condition adjustment connection web member 21's length, and it is nimble convenient to use, and the installation is simple swift.

It should be noted that, in the embodiment of the present invention, the chord body 11 and the connecting web member 21 may be solid rods, or hollow rods, and the cross section of the chord body 11 and the connecting web member 21 may be any shape such as circular, triangular, polygonal, etc., which is within the protection scope of the present invention.

According to some embodiments of the present invention, as shown in fig. 1, the plurality of chord bodies 11 in two adjacent chord groups 10 are arranged in a one-to-one correspondence and at equal intervals. Here, "equidistantly arranged" means that the distance between any two corresponding chord bodies 11 in two adjacent chord groups 10 is equal, and thus the length of the connecting web member 21 required for connecting the two chord bodies 11 is equal, so that the connecting web member 21 is more convenient to process and install, has stronger applicability, and is beneficial to improving the structural stability of the truss 100.

In some embodiments of the present invention, as shown in fig. 3, in each chord group 10, two adjacent chord bodies 11 are connected by a pin 30. In some embodiments of the invention, as shown in fig. 4, the chord bodies 11 connecting the web member 21 to two adjacent chord groups 10 are connected by a pin 30. The connection mode of the plug 30 is simple and firm, the field installation is simple, and common workers can disassemble and assemble the plug.

According to some embodiments of the present invention, as shown in fig. 3 and 4, in each connecting web member set 20, at least a part of the end portion of the connecting web member 21 is provided with a first connecting member 211, and the first connecting member 211 of the connecting web member 21 is detachably connected to the chord member body 11, so that it is more convenient to connect the connecting web member 21 to the chord member body 11. In some embodiments, the first connecting member 211 may be a first connecting plate provided with a first connecting hole, and the latch 30 is inserted into the first connecting hole to detachably connect the first connecting member 211 with the chord body 11.

According to some embodiments of the utility model, as shown in fig. 3, the tip of the chord body 11 can be equipped with second connecting piece 111, second connecting piece 111 can be dismantled with the first connecting piece 211 that corresponds on connecting web member 21 and be connected, for example second connecting piece 111 can be the second connecting plate, the second connecting plate is equipped with the second connecting hole, the laminating of first connecting plate and second connecting plate face, bolt 30 inserts first connecting hole and second connecting hole and can dismantle first connecting piece 211 and second connecting piece 111 and connect, it is more reliable and more stable to connect, and the connected mode is simple, the required staff number of dismouting process is few.

In some embodiments, and with continued reference to fig. 3, in each chord group 10, the ends of two adjacent chord bodies 11 close to each other are provided with second connecting members 111, and the second connecting members 111 on two adjacent chord bodies 11 are detachably connected with the first connecting members 211 on the corresponding connecting web member 21. In other words, the second connecting member 111 at the end portions of two adjacent chord bodies 11 close to each other can be used for connecting both the two chord bodies 11 and the connecting web member 21, so that the connection stability can be reduced, the installation process can be reduced, and the structural stability of the truss 100 can be improved.

Specifically, in the example shown in fig. 3, in each of the chord groups 10, the second connecting members 111 of the ends of the two adjacent chord bodies 11 close to each other are respectively provided with second connecting holes, the first connecting holes are provided corresponding to the first connecting members 211 on the connecting web member 21, and the pins 30 are inserted into the two second connecting holes and the one first connecting hole to connect and fix the two chord bodies 11 with the one connecting web member 21.

According to some embodiments of the present invention, as shown in fig. 3 and 4, the chord body 11 is further provided with a third connecting member 112, and in two adjacent connecting web members 20, the first connecting members 211 on two adjacent connecting web members 21 are respectively detachably connected with the second connecting member 111 and the third connecting member 112 in a one-to-one correspondence. The two adjacent connecting web members 21 are connected to different connecting members, so that the two connecting web members 21 can be conveniently installed and extended in a desired direction, for example, extended in different directions, so that the truss 100 can have a three-dimensional frame structure with a desired shape, the structural design is more reasonable, and the two adjacent connecting web members 21 are easier to connect with the chord body 11.

In some embodiments, referring to fig. 4, the third connecting member 112 is disposed at a side portion of the chord body 11, the second connecting member 111 and the third connecting member 112 do not interfere with each other, the third connecting member 112 and the first connecting member 211 are connected conveniently, and the assembling and disassembling space is larger.

It should be noted that, in the embodiment of the present invention, the third connecting member 112 is provided at the side portion of one end of the chord body 11 in the length direction, or the third connecting members 112 are provided at the side portions of both ends of the chord body 11 in the length direction, which can achieve the detachable connection of the chord body 11 and the connecting web members 21 of the two adjacent connecting web members 20.

According to some embodiments of the present invention, as shown in fig. 1 and fig. 2, any two adjacent connecting web members 21 of the connecting web member set 20 are arranged in a one-to-one correspondence, the central lines of the corresponding connecting web members 21 are located on the same plane, and the plane is perpendicular to the preset direction. The connecting web members 21 of the plurality of connecting web member groups 20 can be formed into a plurality of closed figures (triangles, quadrangles, etc.) approximately, and the supporting and fixing effects on the plurality of chord member groups 10 are better, which is beneficial to improving the structural stability of the truss 100.

According to some embodiments of the present invention, as shown in fig. 1 and 3, the truss 100 further includes a first cable 40, and in each of the connecting web members 20, two adjacent connecting web members 21 are cross-tied by the first cable 40. In other words, the first cables 40 connecting the adjacent two connecting web members 21 form a cross structure as shown in fig. 1, so that when the truss 100 is compressed, one compressed first cable 40 of the two crossed first cables 40 is withdrawn from operation, and the one pulled first cable 40 is still in operation, thereby improving the structural strength of the truss 100. In other words, one of the two first cables 40 arranged in a crossing manner is always in an operating state, so that the truss 100 is stably supported.

And adopt oblique pull rod among the correlation technique, oblique pull rod weight is heavy and bulky, the utility model discloses a cable structure has replaced oblique pull rod, has further saved the space, effectively practices thrift the space more than 80%, and has alleviateed weight.

In some embodiments of the present invention, as shown in fig. 1, in each connecting web member set 20, two ends of each connecting web member 21 are respectively connected to two first cables 40, and different ends of two adjacent connecting web members 21 are connected to the same first cable 40. In other words, the plurality of connecting web members 21 of each connecting web group 20 are connected only by two first pulling cables 40, and each first pulling cable 40 is formed in a bent wave shape to be connected from one end to the other end of the truss 100 in a preset direction.

During installation, the chord group 10 can be connected through the connecting web rod group 20 to form a three-dimensional frame, then the first pulling rope 40 is used for tensioning to form a stable structure, and finally the truss 100 is integrally hoisted to a used position. The installation of first cable 40 is simpler, is favorable to improving dismouting efficiency.

Referring to fig. 3, the two ends of the connecting web member 21 are respectively provided with a first ear hole plate 212, the first cable 40 is detachably connected with the first ear hole plate 212, and the connection mode of the first cable 40 and the connecting web member 21 is simple. For example, in the example shown in fig. 3, two first ear hole plates 212 are disposed at one end of the connecting web member 21, the two first ear hole plates 212 are respectively disposed at two side portions of the connecting web member 21, which are opposite to each other, and the first cable 40 is inserted through the two first ear hole plates 212 to achieve connection, so that the force applied to the connecting web member 21 is more uniform.

In some embodiments of the present invention, as shown in fig. 2 and 4, at least two connecting web members 20 are parallel to each other, and two connecting web members 21 of the connecting web members 20 that are parallel to each other are disposed in a one-to-one correspondence, the truss 100 further includes a second cable 50, and the two corresponding connecting web members 21 are cross-tied by the second cable 50. In other words, the second cable 50 connecting the opposing two connecting web members 21 forms a cross structure as shown in fig. 2, and the structural strength of the truss 100 can be significantly improved from the inside of the truss 100.

In the embodiment where the first cable 40 and the second cable 50 are provided, the first cable 40 improves the structural strength from the side of the truss 100, and the second cable 50 improves the structural strength from the inside of the truss 100, and the first cable and the second cable cooperate with each other to improve the structural strength of the truss 100.

Referring to fig. 4, the two ends of the connecting web member 21 are respectively provided with a second ear hole plate 213, the second cable 50 is detachably connected to the second ear hole plate 213, and the connection mode between the second cable 50 and the connecting web member 21 is simple. For example, in the example shown in fig. 4, the opposite sides of the two opposite connecting web members 21 are provided with second ear hole plates 213, and the second cable 50 is threaded through the second ear hole plates 213 to achieve connection, so that the connecting web members 21 are stressed more uniformly.

In some embodiments, the first and second cables 40 and 50 may be steel strands, which are structurally strong, easier to assemble and disassemble, and lighter in weight.

Other constructions and operations of the truss 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the terms "embodiment," "specific embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (14)

1. A truss, comprising:

the chord groups are arranged at intervals along the circumferential direction of a graph, each chord group comprises a plurality of chord bodies, and the chord bodies are sequentially detachably connected along a preset direction;

the number of the connecting web rod groups is equal to that of the chord rod groups, each connecting web rod group comprises a plurality of connecting web rods distributed at intervals along the preset direction, and each connecting web rod is detachably connected with the chord rod bodies of two adjacent chord rod groups.

2. The truss of claim 1 wherein the number of chord groups is three or more.

3. The truss of claim 1 wherein a plurality of said chord body positions in two adjacent chord groups are arranged one-to-one and equidistant.

4. The truss of claim 1,

in each of said groups, two adjacent said chord bodies are connected by a pin, and/or,

the connecting web member is connected with the chord body of the two adjacent chord groups through a bolt.

5. The truss of claim 1 wherein in each of said connecting web groups, at least some of said connecting web members have first connectors at their ends, said first connectors of said connecting web members being removably connected to said chord bodies.

6. The truss of claim 5 wherein in each of said chord groups, adjacent ends of two of said chord bodies are provided with second connecting members, said second connecting members on adjacent two of said chord bodies being releasably connected to said first connecting members on the corresponding connecting web.

7. The truss of claim 6 wherein the chord body is further provided with a third connector,

in the two adjacent connecting web rod groups, the first connecting pieces on the two adjacent connecting web rods are respectively detachably connected with the second connecting pieces and the third connecting pieces in a one-to-one correspondence manner.

8. The truss of claim 7 wherein the third connector is provided on a side of the chord body.

9. The truss of claim 1 wherein said connecting web members of any two adjacent said connecting web member sets are disposed in a one-to-one correspondence, centerlines of said correspondingly disposed connecting web members are located in a same plane, and said plane is perpendicular to said predetermined direction.

10. The truss of any of claims 1-9, further comprising:

and the first inhaul cable is used for connecting the web members in each connecting web member group, and every two adjacent connecting web members are crossed and tied through the first inhaul cable.

11. The truss of claim 10 wherein in each of the connecting web groups, two ends of each of the connecting web members are respectively connected to two of the first bracing wires, and different ends of two adjacent connecting web members are connected to the same first bracing wire.

12. The truss of claim 11 wherein the connecting web members are provided at opposite ends thereof with first ear hole plates, and the first pulling cable is detachably connected to the first ear hole plates.

13. The truss according to any of claims 1 to 9 wherein at least two of said connecting web groups are parallel to each other and said connecting web members of two of said connecting web groups which are parallel to each other are arranged in a one-to-one correspondence, said truss further comprising a second bracing wire by which corresponding two of said connecting web members are cross-tied.

14. The truss of claim 13 wherein the connecting web members are provided at opposite ends thereof with second ear hole plates, and the second bracing wires are detachably connected to the second ear hole plates.

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