CN203514508U

CN203514508U - Truss for combination

Info

Publication number: CN203514508U
Application number: CN201320524250.6U
Authority: CN
Inventors: 袁克斤
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-27
Filing date: 2013-08-27
Publication date: 2014-04-02
Anticipated expiration: 2023-08-27

Abstract

The utility model discloses a truss for combination. The truss comprises a truss beam and connecting ends placed at the two ends of the truss beam. The truss beam comprises four main beams, the four beams and the connecting ends form a cuboid frame, web members are connected between adjacent main beams in a fastening mode, the connecting ends comprise two equal-length connecting rods which are arranged between adjacent main beams in a fastening mode, the connecting rods are perpendicular to the main beams, the space distance between the connecting rods is equal to the rod length, the connecting ends are of a cube frame structure, connecting holes are formed in the connecting rods in the radial direction and the axial direction of the truss, and the sizes and the positions of the connecting holes are the same. According to the truss for combination, supports or background frames or stage frames and the like which can meet various using requirements can be formed flexibly in a connecting-combining mode, the specification is single, production and conveying are convenient, the connecting portions are correspondingly consistent, so that quick mounting is achieved, safety intensity is high, and the structure is firm.

Description

A kind of combination truss

Technical field

The utility model relates to a kind of truss, the especially a kind of truss that can build in the mode of combination on demand.

Background technology

Truss is a kind of very common mechanism at present, particularly at exhibition booth, stage, meeting-place or the small-sized advertising page of daily visible indoor or outdoors, can see that truss need to build support miscellaneous by different therein, comprise background frame, light rack, tent rack etc.The truss of this class purposes generally need to be by each truss assembling of sufficient amount together, thereby be built into and there is the stand that special-purpose is larger, thereby each truss just may be designed to, and each is different, this will bring many inconvenience for manufacturing process, not only produce pattern difference, and assembling and disassembling is even transported also and can be caused trouble.In addition, when truss will interconnect, just will use the instruments such as screw fastening, but when two truss docking connect, its junction security intensity that radially institute can be stressed is minimum often, easily occurs the possibility that Joint failure causes truss to cave in.Truss is generally metal product, to guarantee its intensity, if can make the weight of truss too high just all adopt solid metal material to make, is unfavorable for transportation and builds.

Utility model content

In order to overcome the deficiencies in the prior art, the utility model provides a kind of combination truss, can, by the truss of unified structure is connected by different modes, just can form various ways stand with the use needs in response to actual.

The utility model solves the technical scheme that its technical problem adopts:

A kind of combination truss, comprise girder truss and the link that is positioned at girder truss two ends, described girder truss comprises four girders, described four girders and described link form cuboid framework, between each adjacent girder, be fastenedly connected with web member, described link comprises the connecting rod of fastening setting between every adjacent girder, between every adjacent girder, be provided with the connecting rod of two bar appearance etc., and the vertical girder of connecting rod, spacing between described connecting rod and bar appearance etc., described link is square frame construction, described connecting rod truss radially be axially provided with connecting hole, the size of the connecting hole on described each connecting rod is all consistent with position.

As the improvement of technique scheme, the fastening adapter sleeve that is provided with of described link, described adapter sleeve is arranged on the axial end of described link.

As the further improvement of technique scheme, described adapter sleeve is arranged on the interior right-angle position of described axial end, and described adapter sleeve is hollow circular-tube, and is welded on each interior right-angle position.

Further, described web member is single pole perpendicular to girder, and the web member between each adjacent girder forms square shape jointly.

Further, described web member is fastenedly connected into X-type by two straight-bars, and two straight-bars are all fastenedly connected on described girder.

Further, described girder, web member and connecting rod are square hollow pipe, and are fastenedly connected with welding manner.

The beneficial effects of the utility model are: utilize a kind of combination just can flexible combination become support, lamp bracket or the background frame etc. in response to various instructions for use with truss, the truss of a kind of specification of its needs, all very convenient to producing with transportation, and the connecting portion of truss is designed to corresponding consistent, impel it directly to connect easily, greatly reduce the step of installation and removal, thereby bring good convenience, and the intensity of truss is high, firm in structure, durability is high, uses safety.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is the utility model structural representation;

Fig. 2 is the structural representation of another angle of the utility model;

Fig. 3 is docking combination installment state schematic diagram of the present utility model;

Fig. 4 is overlap joint combination installment state schematic diagram of the present utility model.

The specific embodiment

With reference to Fig. 1 ~ Fig. 4, a kind of combination truss of the present utility model, comprise girder truss 1 and the link 2 that is positioned at girder truss 1 two ends, described girder truss 1 comprises four girders 11, described four girders 11 form cuboid framework with described link 2, between each adjacent girder 11, be fastenedly connected with web member 12, truss mainly bears axial compression and radially moment of torsion and moment of flexure, and therefore four girders 11 and web member 12 can effectively strengthen the intensity of truss; Described link 2 comprises the connecting rod 21 of fastening setting between every adjacent girder 11, between every adjacent girder 11, be provided with the connecting rod 21 of two bar appearance etc., and the vertical girder 11 of connecting rod 21, spacing between described connecting rod 21 and bar appearance etc., described link 2 is square frame construction, therefore link 2 just can make two truss when carrying out connection without fixing cooperation orientation, be easy to locate fast; As shown in Fig. 1 axis of orientation, y direction is the axial of described truss, x direction is for radially, described connecting rod 21 truss radially be axially provided with connecting hole 22, the size of the connecting hole 22 on described each connecting rod 21 is all consistent with position, thereby two truss as long as to upper link 2, can use screw 3 to connect two truss through the corresponding connecting hole 22 of two truss, save the contraposition step before installation.

While installing, this uses novel a kind of combination by the connected mode of truss to comprise that the truss of yi word pattern docks and be the truss overlap joint of 90 degree, because described link 2 is square framework, so its 5 end faces all can be mutually corresponding, as shown in Figure 3, during docking, two truss are parallel, and the axial end 24 of link 2 is bonded with each other separately, then tighten through described connecting hole 22 with screw; Equally, as shown in Figure 4, during overlap joint, the link 2 of one horizontal truss rides on the link 2 of another upright truss, the radial end face 25 of the corresponding support horizontal truss of axial end 24 link 2 of upright truss link 2, re-uses screw 3 and just two truss can be connected through connecting hole 22 corresponding on connecting rod 21.

Improvement as above-mentioned embodiment, the fastening adapter sleeve 23 that is provided with of described link 2, adapter sleeve 23 can insert pin 4, described adapter sleeve 23 is arranged on the axial end 24 of described link 2, may be because load leaves structural strength weakness in junction when its role is to when two truss levels or uprightly docking, therefore design is to insert pin 4 to strengthen the structural strength of truss joint in adapter sleeve 23.

As the further improvement of above-mentioned embodiment, as shown in Figure 3, preferably, described adapter sleeve 23 is arranged on the interior right-angle position of described axial end 24, impels it without fixing a kind of corresponded manner, can apply fast; Described adapter sleeve 23 is hollow circular-tube, and is welded on each right-angle position, so adapter sleeve 23 just can be welded on two described connecting rods 21, guarantees that adapter sleeve 23 has enough force intensitys that is subject to.

A kind of improvement as above-mentioned embodiment, described web member 12 is single pole perpendicular to girder 11, web member 12 between each adjacent girder 11 forms square shape jointly, its role is to strengthen to greatest extent the torsional rigidity of girder truss 1, can be placed on girder truss 1 moment of torsion maximum.

As the another kind of above-mentioned embodiment, improve, described web member 12 is fastenedly connected into X-type by two straight-bars, and two straight-bars are all fastenedly connected on described girder 11, and it can directly strengthen the intensity that girder truss 1 bears moment of flexure, prevents that truss from bending because of load.

Further improvement as above-mentioned embodiment, described girder 11, web member 12 and connecting rod 21 are square hollow pipe, and be fastenedly connected with welding manner, hollow section has both lighter weight in guaranteed strength, thereby make truss be easy to transportation and install, cooperation is fastening with welding manner, enhances productivity well and reduces costs.

The above, be better embodiment of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, within all should falling into protection domain of the present utility model.

Claims

1. a combination truss, comprise girder truss (1) and be positioned at the link (2) at girder truss (1) two ends, it is characterized in that: described girder truss (1) comprises four girders (11), described four girders (11) form cuboid framework with described link (2), between each adjacent girder (11), be fastenedly connected with web member (12), described link (2) comprises the connecting rod (21) of fastening setting between every adjacent girder (11), between every adjacent girder (11), be provided with the connecting rod (21) of two bar appearance etc., and the vertical girder (11) of connecting rod (21), spacing between described connecting rod (21) and bar appearance etc., described link (2) is square frame construction, described connecting rod (21) truss radially be axially provided with connecting hole (22), the size of the connecting hole (22) on described each connecting rod (21) is all consistent with position.

2. a kind of combination truss according to claim 1, is characterized in that: the fastening adapter sleeve (23) that is provided with of described link (2), described adapter sleeve (23) is arranged on the axial end (24) of described link (2).

3. a kind of combination truss according to claim 2, is characterized in that: described adapter sleeve (23) is arranged on the interior right-angle position of described axial end (24), and described adapter sleeve (23) is hollow circular-tube, and is welded on each interior right-angle position.

4. a kind of combination truss according to claim 1, is characterized in that: described web member (12) is for single pole and perpendicular to girder (11), and the web member (12) between each adjacent girder (11) forms square shape jointly.

5. a kind of combination truss according to claim 1, is characterized in that: described web member (12) is fastenedly connected into X-type by two straight-bars, and two straight-bars are all fastenedly connected on described girder (11).

6. according to a kind of combination truss described in any one claim in claim 1 ~ 5, it is characterized in that: described girder (11), web member (12) and connecting rod (21) are square hollow pipe, and are fastenedly connected with welding manner.