CN112663871A

CN112663871A - Detachable truss module

Info

Publication number: CN112663871A
Application number: CN202011593675.3A
Authority: CN
Inventors: 陈振东; 其他发明人请求不公开姓名
Original assignee: TJK Machinery Tianjin Co Ltd
Current assignee: TJK Machinery Tianjin Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-04-16

Abstract

The invention belongs to the technical field of construction trusses, and discloses a detachable truss module which comprises a truss main body, a plurality of supporting pieces and a plurality of fixing pieces, wherein the truss main body comprises an upper chord rib and two lower chord ribs which are parallel to each other, each lower chord rib is connected with the upper chord rib through a web rod rib, the plurality of supporting pieces are divided into two groups, one group of supporting pieces are sequentially connected with one lower chord rib at intervals, the other group of supporting pieces are sequentially connected with the other lower chord rib at intervals, the plurality of fixing pieces are connected with the plurality of supporting pieces in a one-to-one correspondence mode, and fixing holes are formed in the fixing pieces. In the invention, under the support cooperation of the supporting piece, the position of the fixing hole on the fixing piece is not changed along with the change of the size of the space between the two lower chord ribs of the truss main body, so that the fixing efficiency between the truss main body and the template is ensured, the efficient assembly and disassembly between the truss main body and the template are realized, and the labor cost is reduced.

Description

Detachable truss module

Technical Field

The invention relates to the technical field of construction trusses, in particular to a detachable truss module.

Background

The existing detachable truss is generally fixed with a wooden template through a movable buckle with a screw hole at the bottom. When the fixing device is fixed, the movable buckle hooks the lower chord rib of the truss and is connected with the wooden template through the fastener, so that the truss and the wooden template are fixed. After the operations such as pouring and the like are finished, the wooden template is detached from the truss, and the wooden template can be recycled.

Because the center distance of the mounting hole on the recyclable wooden template is fixed, but the distance between the two lower chord ribs of the truss can be changed according to different requirements, when the distance is changed, the screw hole on the movable buckle can deviate from the mounting hole on the wooden template, the bolt needs to be adjusted manually to be aligned, the assembly efficiency is low, and the labor cost is high.

Disclosure of Invention

The invention aims to provide a detachable truss module which can be simply and efficiently detached from a template.

In order to achieve the purpose, the invention adopts the following technical scheme:

a demountable truss module, comprising:

the truss comprises a truss main body, wherein the truss main body comprises an upper chord rib and two lower chord ribs which are parallel to each other, and each lower chord rib is connected with the upper chord rib through a web bar rib;

the supporting pieces are divided into two groups, one group of supporting pieces are sequentially connected to one lower chord rib at intervals, and the other group of supporting pieces are sequentially connected to the other lower chord rib at intervals;

the fixing pieces are connected with the supporting pieces in a one-to-one correspondence mode, and fixing holes are formed in the fixing pieces.

Preferably, the supporting part includes a supporting part and two wing parts connected to the supporting part, the supporting part is connected to the lower chord, and the two wing parts are respectively connected to the fixing part.

Preferably, along a first direction, the supporting portion is connected to a side of the lower chord rib, which is away from the upper chord rib, the wing portion is located on a side of the supporting portion, which is away from the lower chord rib, the fixing member is connected to a side of the wing portion, which is away from the supporting portion, and the first direction is parallel to a symmetry plane of the two lower chord ribs and perpendicular to an axial direction of the lower chord ribs.

Preferably, the fixing member is located on a side of the lower chord rib away from the upper chord rib along a second direction, the fixing member and the lower chord rib are arranged at intervals, and the second direction is perpendicular to the first direction and the axial direction of the lower chord rib.

Preferably, the support portion and the side wing portions both extend along the second direction, a through groove is formed on the support portion by enclosing the two side wing portions, and a side surface of the support portion connected with the lower chord rib is a plane.

Preferably, the supporting member is made of metal, and the fixing member is made of plastic.

Preferably, the fixing hole is a threaded hole.

Preferably, the plurality of supporting members are arranged in pairs, and two supporting members of each pair are arranged symmetrically with respect to a plane of symmetry of two lower chord members.

Preferably, along the axial direction of the lower chord, the joint of the support member and the lower chord and the joint of the web bar rib and the lower chord are arranged at intervals, and the support member of one detachable truss module can penetrate through the web bar rib of the other detachable truss module and abut against the lower chord.

Preferably, the web bar is bent in a wave shape, a first bent portion on one side of the web bar is connected to the upper chord bar, a second bent portion on the other side of the web bar is connected to the lower chord bar, and the support member is located in the middle of the two adjacent second bent portions on the lower chord bar.

The invention has the beneficial effects that:

under the support cooperation of the supporting piece, the position of the fixing hole in the fixing piece is not changed along with the change of the size of the distance between the two lower chord ribs of the truss main body, the fixing efficiency between the truss main body and the template is ensured, the efficient disassembly and assembly between the truss main body and the template are realized, and the labor cost is reduced.

Along the axial direction of the lower chord rib, the joint of the supporting piece and the lower chord rib and the joint of the web member rib and the lower chord rib are staggered at intervals, so that the detachable truss module can be stacked, occupied space is saved, and the detachable truss module is convenient to take, place and use.

Drawings

FIG. 1 is a front view of a collapsible truss module according to an embodiment of the present invention;

FIG. 2 is a top view of a collapsible truss module in accordance with an embodiment of the present invention;

FIG. 3 is a side view of a collapsible truss module in accordance with an embodiment of the present invention;

FIG. 4 is a side view of a demountable truss module according to an embodiment of the present invention fixedly coupled to a formwork with fasteners;

FIG. 5 is a schematic view of an orientation of the engagement of the support member and the mounting member according to the embodiment of the present invention;

FIG. 6 is a schematic view of another orientation of the engagement of the supporting member and the fixing member according to the embodiment of the present invention;

figure 7 is a side view of a plurality of collapsible truss modules according to embodiments of the present invention during stacking;

fig. 8 is a schematic structural view of a plurality of detachable truss modules and a formwork fixed together according to an embodiment of the present invention.

In the figure:

1. a truss body; 11. winding ribs; 12. a lower chord rib; 13. web bar ribs; 131. a first bent portion; 132. a second bent portion;

2. a support member; 21. a support portion; 22. a flank portion;

3. a fixing member; 31. a fixing hole;

100. a template; 200. a fastener.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. 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 technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 8, the present invention provides a detachable truss module including a truss main body 1, a plurality of supporting members 2, and a plurality of fixing members 3. The truss main body 1 comprises an upper chord rib 11 and two lower chord ribs 12 which are parallel to each other, each lower chord rib 12 is connected with the upper chord rib 11 through a web bar rib 13, the plurality of supporting pieces 2 are divided into two groups, one group of supporting pieces 2 are sequentially connected to one lower chord rib 12 at intervals, the other group of supporting pieces 2 are sequentially connected to the other lower chord rib 12 at intervals, the plurality of fixing pieces 3 are connected with the plurality of supporting pieces 2 in a one-to-one correspondence mode, fixing holes 31 are formed in the fixing pieces 3, and the fixing pieces 3 can be detachably connected with the template 100 through fasteners 200 penetrating through the fixing holes 31.

In the invention, under the supporting cooperation of the supporting piece 2, the position of the fixing hole 31 on the fixing piece 3 is not changed along with the change of the space size between the two lower chord ribs 12 of the truss main body 1, so that the fixing efficiency between the truss main body 1 and the template 100 is ensured, the efficient disassembly and assembly between the truss main body 1 and the template 100 are realized, and the labor cost is reduced.

Specifically, the support member 2 includes a support portion 21 and two flank portions 22 connected to the support portion 21, the support portion 21 being connected to the lower chord 12, and the two flank portions 22 being connected to the fixing member 3, respectively. Due to the arrangement, the contact connection area of the support piece 2 and the lower chord rib 12 is reduced, so that the positioning connection of the support piece 2 and the lower chord rib 12 is more accurate.

In the present embodiment, the support portion 21 is connected to a side of the lower chord 12 facing away from the upper chord 11, the wing portion 22 is located on a side of the support portion 21 facing away from the lower chord 12, and the fixing member 3 is connected to a side of the wing portion 22 facing away from the support portion 21, along a first direction, which is parallel to a symmetry plane of the two lower chords 12 and perpendicular to an axial direction of the lower chord 12. The lower chord 12, the support part 21, the side wing part 22 and the fixing part 3 are connected in sequence along one direction, so that the fixing part 3 and the support part 2 can support and fix the lower chord 12 more reliably.

More specifically, along the second direction, the fixing piece 3 is located on one side of the lower chord 12, which is far away from the upper chord 11, the fixing piece 3 and the lower chord 12 are arranged at intervals, and the second direction is perpendicular to the first direction and the axial direction of the lower chord 12. Above-mentioned setting for cooperate at mounting 3 and support piece 2, can be suitable for the truss main part 1 of more sizes, avoided mounting 3 to cause the interference to piling up of a plurality of truss main parts 1 simultaneously.

In the present embodiment, the supporting portion 21 and the wing portions 22 both extend in the second direction, the two wing portions 22 surround the supporting portion 21 to form a through slot, and the side surface of the supporting portion 21 connected to the lower chord 12 is a plane. The arrangement further ensures the accuracy of the positioning connection of the support member 2 and the lower chord 12.

Specifically, the supporting portion 21 and the fixing member 3 are arranged at an interval, so that the supporting portion 21 has a buffering effect when supporting the truss body 1 under the cooperation of the two flank portions 22, and is safer and more reliable during supporting.

More specifically, the fixing holes 31 are opened on the surface of the fixing member 3 away from the wing portion 22, the fixing holes 31 are threaded holes, and bolts or screws serving as fasteners 200 are screwed into the threaded holes after penetrating through the formwork 100, so that the detachable truss module can be fixed on the formwork 100.

Alternatively, the mounting member is provided with two slots, and the two wing portions 22 are inserted into the two slots respectively, so as to connect the mounting member to the supporting member 2.

In particular, the mounting member and the support member 2 may be fixedly connected, fixed by means of glue or other means after insertion, or detachably connected. When being connected for dismantling between installed part and the support piece 2 for follow-up and the mounting hole alignment of fixed orifices 31, can the secondary control, at this moment, fixed orifices 31 is for lining up the screw hole of two sides of mounting 3, when with template 100 fixed connection, the bolt passes the mounting hole and the fixed orifices 31 spiro union, and the fixed orifices 31 is worn out to the one end of bolt, stretches into between two flank parts 22, and the butt is in supporting part 21, with support piece 2 locking fixation on mounting 3.

More specifically, flank portion 22 includes interconnect's first plate body and second plate body, and first plate body and second plate body all extend along the second direction, and one side that first plate body deviates from the second plate body is connected in supporting part 21, and the contained angle between first plate body and the supporting part 21 is the obtuse angle, and the second plate body is on a parallel with the setting of supporting part 21, when 3 cartridges with the mounting, on the width direction, the partial cartridge of first plate body is in the cartridge groove, and the complete cartridge of second plate body is in the cartridge groove. The above arrangement makes it difficult for the supporting member 2 to be separated from the fixing member 3 in the first direction.

In this embodiment, the supporting member 2 is a bent member or a stamped member made of a metal material, and is made of a corrosion-resistant metal plate, so that the side surface of the supporting portion 21 connected with the lower chord rib 12 is flat and easy to be welded with the lower chord rib 12, and the fixing member 3 is made of a plastic material, so that the manufacturing is easy and the processing cost is low.

More specifically, the plurality of support members 2 are arranged in pairs, and the two support members 2 of each pair are arranged symmetrically with respect to the plane of symmetry of the two lower chord members 12. Due to the arrangement, the stress of the truss main body 1 is more balanced, and the positioning between the fixing hole 31 and the mounting hole is more convenient.

Alternatively, the joint of the support member 2 and the lower chord 12 and the joint of the web member 13 and the lower chord 12 are spaced apart from each other in the axial direction of the lower chord 12, and the support member 2 of one collapsible truss module can pass through the web member 13 of another collapsible truss module to abut against the lower chord 12. Above-mentioned setting for can dismantle the truss module and can pile up the pile up and put things in good order, save occupation space, be convenient for get and put the use.

Specifically, the web member rib 13 is bent in a wave shape, the first bent portion 131 on one side of the web member rib 13 is connected to the upper chord 11, the second bent portion 132 on the other side is connected to the lower chord 12, and the support member 2 is located at the middle position of the two adjacent second bent portions 132 on the lower chord 12. Above-mentioned setting has guaranteed the uniformity that can dismantle the truss module, is convenient for pile up and dismouting use.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A demountable truss module, comprising:

the truss comprises a truss main body (1), wherein the truss main body (1) comprises an upper chord rib (11) and two lower chord ribs (12) which are parallel to each other, and each lower chord rib (12) is connected with the upper chord rib (11) through a web bar rib (13);

the supporting pieces (2) are divided into two groups, one group of the supporting pieces (2) are sequentially connected to one lower chord rib (12) at intervals, and the other group of the supporting pieces (2) are sequentially connected to the other lower chord rib (12) at intervals;

the fixing piece (3) is connected with the supporting pieces (2) in a one-to-one correspondence mode, and fixing holes (31) are formed in the fixing piece (3).

2. A demountable truss module according to claim 1, wherein the support member (2) comprises a support portion (21) and two side wing portions (22) connected to the support portion (21), the support portion (21) being connected to the lower chord (12), the two side wing portions (22) being connected to the fixing member (3), respectively.

3. A demountable truss module according to claim 2, wherein the support portion (21) is connected to a side of the lower chord (12) facing away from the upper chord (11), the side wing portion (22) is located on a side of the support portion (21) facing away from the lower chord (12), and the fixing member (3) is connected to a side of the side wing portion (22) facing away from the support portion (21), in a first direction parallel to a plane of symmetry of the two lower chords (12) and perpendicular to an axial direction of the lower chord (12).

4. A demountable truss module according to claim 3, wherein the fixing member (3) is located on a side of the lower chord (12) facing away from the upper chord (11) in a second direction, the fixing member (3) being spaced apart from the lower chord (12), the second direction being perpendicular to the first direction and an axial direction of the lower chord (12).

5. A demountable truss module according to claim 4, wherein the support portion (21) and the side wing portions (22) each extend in the second direction, the two side wing portions (22) enclosing a through slot in the support portion (21), the side of the support portion (21) to which the lower chord (12) is connected being planar.

6. A demountable truss module according to claim 1, wherein the support members (2) are of metal and the fixing members (3) are of plastic.

7. The demountable truss module of claim 1, wherein the securing holes (31) are threaded holes.

8. A demountable truss module according to claim 1, wherein a plurality of said support members (2) are arranged in pairs, the two support members (2) of each pair being symmetrically arranged with respect to the plane of symmetry of the two lower chords (12).

9. A demountable truss module according to any one of claims 1-8, wherein the junction of the support member (2) and the lower chord (12) is spaced from the junction of the web rib (13) and the lower chord (12) in the axial direction of the lower chord (12), the support member (2) of one demountable truss module being able to pass through the web rib (13) of another demountable truss module to abut against the lower chord (12).

10. The detachable truss module of claim 9, wherein the web bar (13) is folded in a wave shape, a first folded portion (131) of one side of the web bar (13) is connected to the upper chord (11), and a second folded portion (132) of the other side is connected to the lower chord (12), and the support member (2) is located at a middle position of two adjacent second folded portions (132) on the lower chord (12).