Connecting structure of adjacent trusses

Abstract

The connecting structure of the adjacent trusses comprises the two trusses which are arranged in parallel, each truss comprises a cross beam and a vertical beam, the connecting structure further comprises a Halfen groove type channel steel, bolts and nuts, the vertical beams of the two trusses are respectively provided with open holes for the bolts to penetrate through, at least two bolts are arranged in a channel body of the Halfen groove type channel steel, bolt heads of the two bolts are both arranged in the channel body of the Halfen groove type channel steel, and the nuts are arranged in the open holes of the Halfen groove type channel steel. The two bolt heads can move in the length direction of the Halfen groove type channel steel and are limited in the groove body, an opening of the groove body faces the two vertical beams, screw rods of the two bolts extend out of the groove body respectively, penetrate through holes of the two vertical beams and then are in threaded connection with the two nuts respectively, and the bolt heads abut against the inner wall of the groove body when the nuts are tightened.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction equipment technical field especially adjacent truss's connecting structure. BACKGROUND

[0002] In the bridge construction process, in order to guarantee the stability of truss whole and construction safety, need to fix the connection of adjacent truss, in actual construction, because each truss is hoisted in the designated position in succession, the spacing between each truss is difficult to reach the uniform standard spacing, the operation of prior art is, first, preset bolt hole on channel steel, after measuring the spacing on site, then, trim the bolt hole of channel steel, finally, bolt two trusses and channel steel, prior art has the following problems: preset bolt hole operation efficiency is low and there is security risk, and material waste rate is relatively high. SUMMARY

[0003] The utility model provides a connecting structure of adjacent trusses which replaces preset bolt hole and can be applied to different spacings in building construction.

[0004] The utility model employs the technical scheme that the connecting structure of adjacent trusses includes two trusses which are arranged in parallel, and the truss includes a crossbeam and a vertical beam, further includes a hafven slot type channel steel, a bolt and a nut, the vertical beam of two trusses is respectively provided with an opening through which the bolt can pass, at least two bolts are arranged in the groove body of the hafven slot type channel steel, the bolt head of two bolts is arranged in the groove body of the hafven slot type channel steel, the bolt head can move along the length direction of the hafven slot type channel steel but is limited in the groove body, the opening of the groove body faces two vertical beams, the screw rod of two bolts respectively extends out of the groove body and passes through the opening of two vertical beams and is respectively connected with two nuts in a threaded mode, and the bolt head is tightly pressed against the inner wall of the groove body by tightening the nut.

[0005] The contact surface of the bolt head which is tightly pressed against the inner wall of the groove body is provided with a plurality of convex ribs or convex points, and the plurality of convex ribs are distributed in a ring shape based on the central axis.

[0006] The inner wall is a rough surface.

[0007] The vertical beam is fixedly connected with a backing plate, the backing plate is provided with a hole position, the hole position is coaxially arranged with the opening, and the screw rod of two bolts respectively extends out of the groove body, passes through the opening of two vertical beams and the hole position of the backing plate and is respectively connected with two nuts in a threaded mode.

[0008] The bolt head arranged in the groove body is limited by the groove body and cannot rotate freely.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] Compared with the prior art, the bolt head of the bolt is located in the groove body and abuts against the inner wall of the groove body after the nut is tightened, the two trusses arranged in parallel are fixedly connected with the Hafer groove type channel steel, the stability of the truss as a whole is improved, the bolt hole is not preset, the secondary processing of the channel steel is avoided, the working efficiency and safety are improved, and the material can be reused. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 is a structural schematic view of the utility model.

[0012] Fig. 2 is a structural schematic view of another view of the utility model.

[0013] Fig. 3 is a structural schematic view of the utility model combined with two trusses.

[0014] Fig. 4 is a structural schematic view of the utility model and the vertical beam in the decomposed state. DETAILED DESCRIPTION

[0015] The utility model will be further described below in combination with the drawings and through examples.

[0016] As Figs. 1 to 4 shown, the connecting structure of adjacent trusses in the embodiment comprises two trusses 1 arranged in parallel, the truss 1 comprises a horizontal beam 11 and a vertical beam 12, further comprises a Hafer groove type channel steel 2, a bolt 3 and a nut 4, the vertical beam of the two trusses 1 is respectively provided with an opening 13 through which the bolt 3 can pass, at least two bolts 3 are arranged in the groove body 21 of the Hafer groove type channel steel 2, the bolt head 31 of the two bolts 3 is arranged in the groove body 21 of the Hafer groove type channel steel 2, the two bolt heads 31 can move along the length direction of the Hafer groove type channel steel 2 but are limited in the groove body 21, the opening of the groove body 21 faces the two vertical beams 12, the screw rod 32 of the two bolts 3 respectively extends out of the groove body 21 and passes through the opening 13 of the two vertical beams 12 and is respectively threadedly connected with the two nuts 4, the bolt head 31 abuts against the inner wall 22 of the groove body 21 after the nut 4 is tightened; the bolt head 31 of the bolt 3 is located in the groove body 21 and abuts against the inner wall of the groove body 21 after the nut 4 is tightened, the two trusses 1 arranged in parallel are fixedly connected with the Hafer groove type channel steel 2, the stability of the truss 1 as a whole is improved.

[0017] The abutting surface 33 of the bolt head 31 abutting against the inner wall 22 of the groove body 21 is provided with a plurality of convex ribs or convex points, and the plurality of convex ribs are distributed in a ring shape based on the central axis. The convex ribs or convex points increase the friction between the bolt head 31 and the inner wall 22 of the groove body 21, prevent the relative displacement between the bolt head 31 and the Haifen groove channel steel 2 after the truss 1 is fixed with the Haifen groove channel steel 2, and ensure the stability of the two.

[0018] The inner wall 22 is a rough surface, which increases the friction between the bolt head 31 and the inner wall 22 of the groove body 21, prevents the relative displacement between the bolt head 31 and the Haifen groove channel steel 2 after the truss 1 is fixed with the Haifen groove channel steel 2, and ensures the stability of the two.

[0019] The vertical beam 12 is fixedly connected with a backing plate 5, the backing plate 5 is provided with a hole position 51, the hole position 51 is coaxially arranged with the opening 13, the screw rods 32 of the two bolts 3 respectively extend out of the groove body 21 and pass through the openings 13 of the two vertical beams 12 and the hole positions 51 of the backing plate 5, and then are respectively threadedly connected with the two nuts 4. The backing plate 5 prevents the wear of the vertical beam 12 and the Haifen groove channel steel 2 and increases the stability.

[0020] The bolt head 31 provided in the groove body 21 is limited by the groove body 21 and cannot rotate freely, which increases the stability after installation.

Claims

1. A connecting structure of adjacent trusses, comprising two trusses (1) arranged in parallel, the truss (1) comprising a cross beam (11) and a vertical beam (12), characterized in that, The utility model also includes a hafer channel steel (2), a bolt (3) and a nut (4), the vertical beam (12) of the two trusses (1) is respectively provided with an opening (13) through which the bolt (3) can pass, the channel body (21) of the hafer channel steel (2) is provided with at least two bolts (3), the bolt head (31) of the two bolts (3) is arranged in the channel body (21) of the hafer channel steel (2), the two bolt heads (31) can move along the length direction of the hafer channel steel (2) but are limited in the channel body (21), the opening of the channel body (21) faces the two vertical beams (12), the screw rod (32) of the two bolts (3) respectively extends out of the channel body (21) and is respectively connected with the two nuts (4) in a threaded mode after passing through the openings (13) of the two vertical beams (12), and the bolt head (31) is abutted against the inner wall (22) of the channel body (21) after the nut (4) is tightened.

2. The connecting structure of adjacent trusses according to claim 1, wherein The abutting surface (33) of the bolt head (31) abutted against the inner wall (22) of the channel body (21) is provided with a plurality of convex ribs or convex points, and the plurality of convex ribs are annularly distributed with the central axis as the reference.

3. The connecting structure of adjacent trusses as claimed in claim 1, wherein The inner wall (22) is a rough surface.

4. The connecting structure of adjacent trusses according to claim 1, wherein The vertical beam (12) is fixedly connected with a backing plate (5), the backing plate (5) is provided with a hole site (51), the hole site (51) is coaxially arranged with the opening (13), the screw rod (32) of the two bolts (3) respectively extends out of the channel body (21) and is respectively connected with the two nuts (4) in a threaded mode after passing through the openings (13) of the two vertical beams (12) and the hole site (51) of the backing plate (5).

5. The connecting structure of adjacent trusses as recited in claim 1, wherein The bolt head (31) arranged in the channel body (21) cannot freely rotate due to the limitation of the channel body (21).

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