Fabricated steel truss structure

Abstract

The utility model relates to the technical field of construction and building materials, in particular to an assembly type steel truss structure which comprises an upper frame, a lower frame and at least two side frames, the upper frame and the lower frame are correspondingly arranged, and the two ends of the upper frame and the two ends of the lower frame are correspondingly provided with the side frames correspondingly. Each side frame is located between the upper frame and the lower frame, and the two ends of each side frame are fixedly connected with the upper frame and the lower frame respectively; each of the upper frame and the lower frame comprises two cross rods and a plurality of vertical rods, the cross rods and the vertical rods are vertically arranged, the plurality of vertical rods are arranged between the two cross rods, and two ends of the plurality of vertical rods are fixedly connected with the cross rods; the side frame comprises a plurality of inclined rods, each inclined rod is arranged between the upper frame and the lower frame, and the two ends of each inclined rod are fixedly connected with the upper frame and the lower frame respectively, so that the whole steel truss is of an assembly structure, and the effect of reducing the transportation cost when the steel truss is transported is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of building materials, in particular to a fabricated steel truss structure. BACKGROUND

[0002] At present, a truss refers to a structure formed by connecting bars to each other at both ends by hinges. The truss composed of straight bars generally has a planar or spatial structure with triangular units, and the truss bars mainly bear axial tension or pressure, so that the strength of the material can be fully utilized, and when the span is large, the material can be saved, the self weight can be reduced, and the rigidity can be increased.

[0003] The steel truss used in the existing market is integrally formed by welding of the steel structure support assembly on the steel truss body during use.

[0004] The prior art in the above has the following defects: when transported to the work site, the whole needs to be transported, the space occupied is large, and the transportation cost is high. UTILITY MODEL CONTENT

[0005] In order to achieve the effect of reducing the transportation cost when transporting the steel truss, the application provides a fabricated steel truss structure.

[0006] The above technical purpose of the application is realized by the following technical scheme:

[0007] A fabricated steel truss structure comprises upper frames, lower frames and side frames, the upper frames and the lower frames are correspondingly arranged, at least two side frames are arranged, one side frame is arranged at each end of the upper frame and the lower frame, each side frame is located between the upper frame and the lower frame, and the two ends of each side frame are fixedly connected with the upper frame and the lower frame; each upper frame and lower frame comprises two horizontal rods and a plurality of vertical rods, the horizontal rods and the vertical rods are arranged perpendicularly, the plurality of vertical rods are arranged between the two horizontal rods, and the two ends of the plurality of vertical rods are fixedly connected with the horizontal rods; the side frame comprises a plurality of inclined rods, each inclined rod is arranged between the upper frame and the lower frame, and the two ends of each inclined rod are fixedly connected with the upper frame and the lower frame.

[0008] By adopting the above scheme, the whole steel truss is divided into upper frames, lower frames and side frames, and the upper frames, the lower frames and the side frames are divided into horizontal rods, vertical rods and inclined rods. When transporting the steel truss, only the horizontal rods, the vertical rods and the inclined rods need to be transported to the work site, the horizontal rods, the vertical rods and the inclined rods can be stacked, and the occupied area during transportation is reduced compared with the steel truss integrally formed by welding, so that the effect of reducing the transportation cost when transporting the steel truss is achieved.

[0009] Further, the three-way connector is provided between each horizontal rod and the vertical rod, one end of the three-way connector penetrates the horizontal rod, the vertical end of the three-way connector is inserted and matched with the vertical rod, the first fastening bolt abuts with the vertical rod through the three-way connector, the first fastening bolt is threadedly connected with the three-way connector, and the second fastening bolt is provided with two, the two second fastening bolts are located on the two sides of the vertical rod and are threadedly connected with the three-way connector, and each second fastening bolt abuts with the horizontal rod through the three-way connector.

[0010] By adopting the above scheme, one three-way connector is provided between each horizontal rod and the vertical rod, after the relative position of the horizontal rod and the vertical rod is determined, one end of the three-way connector penetrates the horizontal rod, the vertical rod is inserted into the vertical end of the three-way connector, then the first fastening bolt abuts with the vertical rod through the three-way connector, and then the second fastening bolt is used to fixedly connect the horizontal rod and the vertical rod through the three-way connector, thereby locking the relative position of the horizontal rod and the vertical rod, and a plurality of vertical rods are sequentially fixedly connected with the horizontal rod through the above steps.

[0011] Further, the upper frame and the lower frame are provided with a plurality of stabilizing rods, the plurality of stabilizing rods are arranged between the two horizontal rods and are horizontally connected with the horizontal rods, each stabilizing rod abuts with the plurality of vertical rods, and a third fastening bolt is arranged between the stabilizing rod and each vertical rod and is threadedly connected with the vertical rod.

[0012] By adopting the above scheme, when the relative position of the horizontal rod and the vertical rod is determined, a plurality of stabilizing rods are arranged between the two horizontal rods, and the third fastening bolt is used to connect each stabilizing rod and the vertical rod, and the third fastening bolt is threadedly connected with the vertical rod through the stabilizing rod, through the above arrangement, the gap formed after the horizontal rod and the vertical rod are spliced is reduced, thereby increasing the bearing capacity of the upper frame and the lower frame, and thereby increasing the stability of the steel truss.

[0013] Further, the plurality of inclined rods are arranged in pairs, one end of the two inclined rods is hingedly connected with each other, a first connecting structure is arranged at the hinged connection of the two inclined rods, one end of the first connecting structure is fixedly connected with the two inclined rods, the other end of the first connecting structure is fixedly connected with the horizontal rod of the upper frame, the other end of the two inclined rods is respectively provided with a second connecting structure, one end of each second connecting structure is fixedly connected with the two inclined rods, and the other end of each second connecting structure is fixedly connected with the horizontal rod of the lower frame.

[0014] By adopting the above scheme, one end of two inclined rods is hingedly arranged to form a group, when assembling the side frame, each group of inclined rods is placed at one end of the upper frame and the lower frame, then the angle formed by the hinging of the two inclined rods is adjusted until the two ends of each inclined rod abut against the horizontal rods of the upper frame and the lower frame, and the two inclined rods are hingedly connected to each other at an acute angle, then one end of the first connecting structure is fixedly connected with one end of the hingedly connected inclined rods, the other end of the first connecting structure is fixedly connected with the horizontal rod of the upper frame, then one end of the second connecting structure is fixedly connected with the other end of the inclined rod, and each second connecting structure is fixedly connected with the horizontal rod of the lower frame, thereby fixing each group of inclined rods between the upper frame and the lower frame, and the triangular shape is stable, thereby increasing the support of the side frame on the upper frame and the lower frame.

[0015] Further, the first connecting structure and the second connecting structure each include a sleeve ring and a connecting block, the sleeve ring and the connecting block are fixedly connected, a connecting groove is formed in the connecting block, the connecting groove is provided with a threaded rod, one end of the inclined rod is inserted into the connecting groove, the threaded rod passes through the side wall of the connecting groove and the inclined rod, and is threadedly connected with a nut, the sleeve ring is sleeved on the horizontal rod, a fastener passes through the side wall of the sleeve ring and abuts against the horizontal rod, and the fastener is threadedly connected with the sleeve ring.

[0016] By adopting the above scheme, when the position and the hinging angle of each group of inclined rods are determined, the sleeve ring is sleeved on the end point of the corresponding inclined rod, the fastener is used to abut against the horizontal rod through the sleeve ring, the inclined rod is inserted into the connecting groove, the threaded rod passes through the groove side wall and the inclined rod, and is fixed by using the nut, and the above steps are sequentially used to connect the hingedly connected end of the two inclined rods and the end points of the two inclined rods away from the hinging position, so that the two ends of the plurality of inclined rods are respectively connected to the upper frame and the lower frame.

[0017] Further, support rods are arranged between the hingedly connected inclined rods, the two ends of the support rods are each provided with a dovetail groove, and each inclined rod is correspondingly provided with a dovetail strip, the dovetail groove and the dovetail strip are inserted and matched.

[0018] By adopting the above scheme, when the positions of the two hingedly connected inclined rods are relatively determined, the dovetail groove and the dovetail strip are inserted and matched, thereby locking the relative positions of the two inclined rods and avoiding displacement of the two inclined rods.

[0019] Further, each inclined rod is composed of a plurality of short rods, the adjacent short rods are provided with a plug-in structure, and the plurality of short rods are spliced into an inclined rod through the plug-in structure.

[0020] Further, the plug-in structure includes a plug-in rod and a plug-in groove, the two ends of each short rod each include a plug-in rod and a plug-in groove, the plug-in rod and the plug-in groove are each provided with a thread, and the plug-in rod and the plug-in groove are threadedly connected.

[0021] By adopting the above scheme, the length of the inclined rod is determined according to the distance between the upper frame and the lower frame, the plug-in rod is threadedly connected with the plug-in slot of the adjacent short rod, and the length of the entire inclined rod can be controlled. When the distance between the upper frame and the lower frame changes, the number of the short rods can be increased or decreased.

[0022] To sum up, the present application has the following technical effects:

[0023] By setting the steel truss plate, the overall steel truss is divided into upper frames, lower frames and side frames, and the upper frames, lower frames and side frames are divided into horizontal rods, vertical rods and inclined rods. When transporting the steel truss, only the horizontal rods, vertical rods and inclined rods need to be transported to the work site. The horizontal rods, vertical rods and inclined rods can be stacked and placed, which reduces the occupied area during transportation compared with the overall welded steel truss. Therefore, the effect of reducing the transportation cost during transportation of the steel truss is achieved.

[0024] By setting the inclined rod, one end of each group of inclined rods is hingedly arranged to form a group. When assembling the side frame, each group of inclined rods is placed at one end of the upper frame and the lower frame. Then, the angle formed by the hinge between the two inclined rods is adjusted until the two ends of each inclined rod abut against the horizontal rods of the upper frame and the lower frame, and the two inclined rods are hingedly connected at an acute angle. Then, one end of the first connecting structure is fixedly connected with one end of the hingedly connected inclined rod. The other end of the first connecting structure is fixedly connected with the horizontal rod of the upper frame. One end of the second connecting structure is fixedly connected with the other end of the inclined rod. Each second connecting structure is fixedly connected with the horizontal rod of the lower frame. Thus, each group of inclined rods is fixed between the upper frame and the lower frame. Since the triangle has a stable shape, the support force of the side frame on the upper frame and the lower frame is increased.

[0025] By setting the tee connector, one tee connector is arranged between each horizontal rod and vertical rod. When connecting the horizontal rod and the vertical rod, after determining the relative position of the horizontal rod and the vertical rod, one end of the tee connector is inserted through the horizontal rod. The vertical rod is inserted into the end of the tee connector perpendicular to the horizontal rod. Then, the first fastening bolt is inserted through the tee connector and abuts against the vertical rod. The second fastening bolt is inserted through the tee connector and fixedly connected with the horizontal rod. Thus, the relative position of the horizontal rod and the vertical rod is locked. The above steps are sequentially performed to fixedly connect the horizontal rod with the vertical rod. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic diagram of a fabricated steel truss structure of the present application;

[0027] Figure 2 is a structural schematic diagram of a short rod part of the present application;

[0028] Figure 3is a structural schematic view of the first and second connecting structures of the present application;

[0029] Figure 4 is a structural schematic view of the support rod of the present application.

[0030] In the figure, 1, upper frame; 11, horizontal rod; 12, vertical rod; 13, stabilizing rod; 14, tee connector; 15, first fastening bolt; 16, second fastening bolt; 17, third fastening bolt; 2, lower frame; 3, side frame; 31, diagonal rod; 311, short rod; 312, insertion rod; 313, insertion slot; 314, dovetail slot; 4, first connecting structure; 41, collar; 42, connecting block; 421, connecting slot; 422, threaded rod; 43, fastener; 5, second connecting structure; support rod; 51, dovetail strip. DETAILED DESCRIPTION

[0031] The present application is further described in detail below with reference to the accompanying drawings.

[0032] Referring to Figure 1 The assembled steel truss structure provided by the embodiment comprises an upper frame 1, a lower frame 2, and side frames 3, the upper frame 1 is arranged above the lower frame 2, the upper frame 1 and the lower frame 2 are symmetrically arranged, and the two ends of the upper frame 1 and the lower frame 2 are each provided with a side frame 3, each side frame 3 is arranged between the upper frame 1 and the lower frame 2, and the two ends of each side frame 3 are each fixedly connected with the upper frame 1 and the lower frame 2.

[0033] Referring to Figure 1 In the embodiment, the upper frame 1 and the lower frame 2 each comprise two horizontal rods 11 and a plurality of vertical rods 12, each vertical rod 12 is arranged perpendicularly to the horizontal rods 11, each vertical rod 12 is arranged between the two horizontal rods 11, and the two ends of each vertical rod 12 are each provided with a tee connector 14, a first fastening bolt 15, and a second fastening bolt 16 between the horizontal rods 11; one end of the tee connector 14 penetrates the horizontal rod 11, the end of the tee connector 14 perpendicular to the horizontal rod 11 is in insertion fit with the vertical rod 12, the first fastening bolt 15 abuts against the vertical rod 12 through the tee connector 14, the first fastening bolt 15 is threadedly connected with the tee connector 14, the second fastening bolt 16 is provided in two, the two second fastening bolts 16 are respectively located on the two sides of the vertical rod 12 and are each threadedly connected with the tee connector 14, and each second fastening bolt 16 abuts against the horizontal rod 11 through the tee connector 14.

[0034] Referring to Figure 1The upper frame 1 and the lower frame 2 are respectively provided with a plurality of stabilizing rods 13, each of which is arranged between two horizontal rods 11 and parallel to the horizontal rods 11, and each of which abuts against a plurality of vertical rods 12, and a third fastening bolt 17 is arranged between each stabilizing rod 13 and each vertical rod 12 and is screwed with the vertical rod 12 through the stabilizing rod 13.

[0035] With reference to Figures 1-4 The side frame 3 is composed of a plurality of inclined rods 31, and the inclined rods 31 are arranged in pairs, and one end of each pair of inclined rods 31 is hingedly connected, and a first connecting structure 4 is arranged at the hinged connection of the two inclined rods 31, one end of the first connecting structure 4 is fixedly connected with the two inclined rods 31, and the other end of the first connecting structure 4 is fixedly connected with the horizontal rod 11 of the upper frame 1, and the other end of each pair of inclined rods 31 is provided with a second connecting structure 5, one end of each second connecting structure 5 is fixedly connected with the two inclined rods 31, and the other end of each second connecting structure 5 is fixedly connected with the horizontal rod 11 of the lower frame 2; a support rod is arranged between each pair of hingedly connected inclined rods 31, and dovetail strips 51 are fixedly connected at both ends of the support rod, and the two inclined rods 31 are provided with dovetail grooves 314 corresponding to the dovetail strips 51, and the dovetail strips 51 and the dovetail grooves 314 are inserted and matched when the angle of the two inclined rods 31 is relatively determined, and the support rod is used to lock the relative alignment of the two inclined rods 31; each inclined rod 31 is composed of a plurality of short rods 311, and each short rod 311 is provided with an insertion rod 312 and an insertion groove 313 at both ends, and the insertion rod 312 is screwed with the insertion groove 313 of the adjacent short rod 311, the length of the inclined rod 31 is determined according to the distance between the upper frame 1 and the lower frame 2, and the number of short rods 311 is increased or decreased according to the length of the inclined rod 31.

[0036] With reference to Figure 3 The first connecting structure 4 and the second connecting structure 5 each include a sleeve ring 41 and a connecting block 42, the sleeve ring 41 and the connecting block 42 are fixedly connected, a connecting groove 421 is formed in the connecting block 42, and a threaded rod 422 is arranged in the connecting groove 421, one end of each pair of inclined rods 31 is inserted into the connecting groove 421 of the first connecting structure 4, the threaded rod 422 is screwed with the nut through the connecting groove 421 of the first connecting structure 4 and the two inclined rods 31, the other end of each pair of inclined rods 31 is inserted into the connecting groove 421 of the second connecting structure 5, the threaded rod 422 passes through the side wall of the connecting groove 421 and the inclined rod 31, and is screwed with the nut, the sleeve ring 41 is sleeved on the horizontal rod 11, the sleeve ring 41 of the first connecting structure is sleeved on the horizontal rod 11 of the upper frame 1, the sleeve ring 41 of each second connecting structure 5 is sleeved on the horizontal rod 11 of the lower frame 2, one fastener 43 is arranged on each sleeve ring 41, the fastener 43 abuts against the horizontal rod 11 through the side wall of the sleeve ring 41, and the fastener 43 is screwed with the sleeve ring 41.

[0037] The implementation principle of the assembled steel truss structure embodiment of the present application is as follows: when the steel truss is assembled, first, the length of each inclined rod 31 is determined according to the distance between the upper edge frame 1 and the lower edge frame 2, then the plug-in rod 312 and the plug-in slot 313 of the adjacent short rod 311 are connected with each other in sequence until the length of the inclined rod 31 is adapted to the distance between the upper edge frame 1 and the lower edge frame 2; then two inclined rods 31 are taken as a group, one end of the two inclined rods 31 is hingedly arranged, then the dovetail strip 51 is plug-in matched with the dovetail slot 314, so that the support rod is placed between the two inclined rods 31, and the support rod locks the angle of the hinge between the two inclined rods 31; then the end of the inclined rod 31 hingedly connected with each other is placed in the connecting slot 421 of the first connecting structure 4, the side wall of the connecting slot 421 and the two inclined rods 31 are all penetrated by the threaded rod 422, and the threaded connection is achieved by using the nut, then the other end of the two inclined rods 31 is inserted into the connecting slot 421 of the second connecting structure 5 respectively, the threaded rod 422 penetrates the side wall of the connecting slot 421 and is fixedly connected with the nut, then the sleeve ring 41 on the first connecting structure 4 is sleeved on the cross rod 11 of the upper edge frame 1, and the sleeve ring 41 on the second connecting structure 5 is sleeved on the cross rod 11 of the lower edge frame 2, the fastener 43 is rotated in sequence, and the fastener 43 penetrates the side wall of the sleeve ring 41 and abuts against the cross rod 11; then the two ends of the vertical rod 12 are plug-in matched with one end of the three-way connecting piece 14, then the first fastening bolt 15 is used to fixedly connect the side wall of the three-way connecting piece 14 with the vertical rod 12, then the other end of the three-way connecting piece is sleeved outside the cross rod 11, the second fastening bolt 16 is rotated, so that the second fastening bolt 16 penetrates the side wall of the three-way connecting piece 14 and is fixedly connected with the cross rod 11; for the above steps, one sleeve ring 41 is sleeved on the cross rod 11, one three-way connecting piece 14 is correspondingly sleeved, and the above operation is sequentially performed until the two side edge frames 3 are completely assembled; then the plurality of stabilizing rods 13 are placed on the vertical rod 12, the third fastening bolt 17 is rotated, so that the plurality of stabilizing rods 13 are fixedly connected with the vertical rod 12, and the assembly of the upper edge frame 1 and the lower edge frame 2 is sequentially completed.

[0038] The specific embodiment is only an explanation of the present application, and is not a limitation of the present application. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the present application, and the modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. A prefabricated steel truss structure, characterized in that: It includes a top border (1), a bottom border (2) and a side border (3). The top border (1) and the bottom border (2) are set accordingly. There are at least two side borders (3). One side border (3) is set at each end of the top border (1) and the bottom border (2). Each side border (3) is located between the top border (1) and the bottom border (2). Both ends of each side border (3) are fixedly connected to the top border (1) and the bottom border (2) respectively. Each of the upper frame (1) and lower frame (2) includes two horizontal bars (11) and several vertical bars (12). The horizontal bars (11) and vertical bars (12) are arranged vertically, and the several vertical bars (12) are arranged between the two horizontal bars (11). Both ends of the several vertical bars (12) are fixedly connected to the horizontal bars (11). The side frame (3) includes several diagonal bars (31), each diagonal bar (31) is disposed between the upper frame (1) and the lower frame (2), and the two ends of each diagonal bar (31) are fixedly connected to the upper frame (1) and the lower frame (2) respectively.

2. The prefabricated steel truss structure according to claim 1, characterized in that: Each of the horizontal bars (11) and vertical bars (12) is provided with a three-way connector (14), a first fastening bolt (15), and a second fastening bolt (16). One end of the three-way connector (14) passes through the horizontal bar (11), and the end of the three-way connector (14) perpendicular to the horizontal bar (11) is inserted into the vertical bar (12). The first fastening bolt (15) passes through the three-way connector (14) and abuts against the vertical bar (12). The first fastening bolt (15) is threadedly connected to the three-way connector (14). There are two second fastening bolts (16). The two second fastening bolts (16) are located on both sides of the vertical bar (12) and are threadedly connected to the three-way connector (14). Each second fastening bolt (16) passes through the three-way connector (14) and abuts against the horizontal bar (11).

3. The prefabricated steel truss structure according to claim 1, characterized in that: Several stabilizing rods (13) are provided on both the upper frame (1) and the lower frame (2). The several stabilizing rods (13) are all positioned between two horizontal bars (11) and are horizontal to each other. Each stabilizing rod (13) abuts against several vertical bars (12). A third fastening bolt (17) is provided between each stabilizing rod (13) and each vertical bar (12). The third fastening bolt (17) passes through the stabilizing rod (13) and is threadedly connected to the vertical bar (12).

4. The prefabricated steel truss structure according to claim 1, characterized in that: Several of the aforementioned diagonal rods (31) are arranged in pairs, with one end of each diagonal rod (31) hinged to each other. A first connecting structure (4) is provided at the hinge of the two diagonal rods (31). One end of the first connecting structure (4) is fixedly connected to both diagonal rods (31), and the other end of the first connecting structure (4) is fixedly connected to the horizontal bar (11) of the upper frame (1). A second connecting structure (5) is provided at the other end of each diagonal rod (31). One end of each second connecting structure (5) is fixedly connected to both diagonal rods (31), and the other end of each second connecting structure (5) is fixedly connected to the horizontal bar (11) of the lower frame (2).

5. A prefabricated steel truss structure according to claim 4, characterized in that: The first connecting structure (4) and the second connecting structure (5) both include a collar (41) and a connecting block (42). The collar (41) and the connecting block (42) are fixedly connected. A connecting groove (421) is provided in the connecting block (421). A threaded rod (422) is provided in the connecting groove (421). One end of the inclined rod (31) is inserted into the connecting groove (421). The threaded rod (422) passes through both the inclined rod (31) and the side wall of the connecting groove (421) and is threadedly connected to the nut. The collar (41) is sleeved on the outside of the crossbar (11). The fastener (43) passes through the side wall of the collar (41) and abuts against the crossbar (11). The fastener (43) is threadedly connected to the collar (41).

6. The prefabricated steel truss structure according to claim 4, characterized in that: Support rods are provided between the inclined rods (31), and dovetail grooves (314) are provided at both ends of the support rods. Each inclined rod (31) is provided with a dovetail strip (51), and the dovetail grooves (314) and dovetail strips (51) are inserted into each other.

7. A prefabricated steel truss structure according to claim 4, characterized in that: Each of the aforementioned diagonal bars (31) is composed of several short bars (311), and an interlocking structure is provided between adjacent short bars (311). Several short bars (311) are spliced ​​together to form a diagonal bar (31) through the interlocking structure.

8. A prefabricated steel truss structure according to claim 7, characterized in that: The plug-in structure includes a plug-in rod (312) and a plug-in groove (313). Each short rod (311) has a plug-in rod (312) and a plug-in groove (313) at both ends. The plug-in rod (312) and the plug-in groove (313) are both provided with threads. The plug-in rod (312) is threadedly connected to the plug-in groove (313) of the adjacent short rod (311).

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