Support-free thin-wall plate steel bar truss

Abstract

The utility model discloses a support-free thin-wall plate steel bar truss, and relates to the technical field of building construction, the support-free thin-wall plate steel bar truss comprises a steel bar assembly, and the steel bar assembly comprises a bottom bar, a web bar and an upper chord steel bar; the device further comprises a supporting assembly. The supporting assembly comprises a supporting rod, a sliding rod, a rotating rod, a fixing block, a supporting pad and a buckle. Buckles are fixed to the bottoms of the supporting rods, the supporting rods are rectangular rods, and the supporting rods are fixed to the bottom ribs through the buckles; the fixed block is fixed to the top of the supporting rod, a through round hole is formed in the side wall of the fixed block, the sliding rod penetrates through the round hole in the fixed block, and the sliding rod is spirally connected to the rotating rod; the rotating rod is a cylinder, and two sections of threads with opposite rotating directions are arranged in the rotating rod; supporting pads are fixed to the ends of the sliding rods and make contact with the upper chord steel bars, and the upper chord steel bars are pushed by the sliding rods to make contact with the web bars. The reinforcing steel bar can be kept in a horizontal state during welding, workers do not need to hold the reinforcing steel bar with hands during welding, the working content of the workers is reduced, and the assembling efficiency of the reinforcing steel bar truss is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field especially relates to a free bracing's thin wall board steel bar truss. BACKGROUND

[0002] The main role of steel bar truss is to provide structural support and increase the carrying capacity of the structure. In building floor construction, steel bar truss floor support plate can effectively combine the steel bar in the floor with the concrete together to form a whole stress system. This structure not only improves the carrying capacity and stiffness of the floor, but also helps to reduce the construction period and cost.

[0003] Because the length of the steel bar constituting the steel bar truss is relatively long, it is necessary to keep the steel bar horizontal during welding, so the staff needs to hold the steel bar during welding to keep it in a horizontal state, resulting in a waste of a large amount of manpower during welding of the steel bar truss and affecting the assembly efficiency of the steel bar truss. SUMMARY

[0004] The embodiment of the application provides a free bracing's thin wall board steel bar truss, which solves the problem that the length of the steel bar constituting the steel bar truss is relatively long in the prior art, the steel bar needs to be kept horizontal during welding, so the staff needs to hold the steel bar during welding to keep it in a horizontal state, resulting in a waste of a large amount of manpower during welding of the steel bar truss and affecting the assembly efficiency of the steel bar truss. The steel bar can be kept in a horizontal state during welding, the staff does not need to hold the steel bar during welding, the work content of the staff is reduced, and the assembly efficiency of the steel bar truss is improved.

[0005] The embodiment of the application provides a free bracing's thin wall board steel bar truss, which solves the problem that the length of the steel bar constituting the steel bar truss is relatively long in the prior art, the steel bar needs to be kept horizontal during welding, so the staff needs to hold the steel bar during welding to keep it in a horizontal state, resulting in a waste of a large amount of manpower during welding of the steel bar truss and affecting the assembly efficiency of the steel bar truss. The steel bar can be kept in a horizontal state during welding, the staff does not need to hold the steel bar during welding, the work content of the staff is reduced, and the assembly efficiency of the steel bar truss is improved.

[0006] It also includes a support assembly;

[0007] The support assembly includes a support rod, a sliding rod, a rotating rod, a fixed block, a support pad and a buckle;

[0008] The bottom of the support rod is fixed with the buckle, the support rod is two rectangular rods, and the support rod is fixed on the bottom bar through the buckle;

[0009] The fixed block is fixed on the top of the support rod, a through circular hole is formed in the side wall of the fixed block, the sliding rod passes through the circular hole on the fixed block, the sliding rod is slidingly connected to the fixed block, and the sliding rod is screw-connected to the rotating rod;

[0010] The fixed block is a rectangular block;

[0011] The rotating rod is a cylindrical rod with internal threads, the threads in the rotating rod are two sections of threads with opposite rotation directions, the rotating rod is located between the two sliding rods, and the sliding rods slide to the two ends by rotating the rotating rod;

[0012] The sliding rod is fixed with a support pad at the end, the support pad is in contact with the upper chord steel bar, and the upper chord steel bar is pushed into contact with the web steel bar through the sliding rod.

[0013] Further, a rotating ring is sleeved on the rotating rod, and the rotating ring is an elastic rubber ring;

[0014] The two ends of the rotating rod are fixed with baffle plates;

[0015] The baffle plate is a circular ring.

[0016] Further, the sliding rod is fixed with a sliding block at one end in the rotating rod;

[0017] The sliding block is a cylindrical rod, the sliding block side wall is attached to the inner side wall of the rotating rod, the sliding block side wall is provided with threads, and the threads on the sliding block are screw-connected with the threads on the inner side wall of the rotating rod.

[0018] Further, the support rod is fixedly connected with a movable rod at the bottom;

[0019] The movable rod is a cylindrical rod, the movable rod is slidingly connected in the fixed rod, a cylindrical cavity is formed in the fixed rod, the fixed rod is located at the bottom of the support rod, and the buckle is fixed at the bottom of the fixed rod.

[0020] Further, the web steel bar is bent at the bottom, and the bent part of the web steel bar is welded and fixed with the bottom steel bar;

[0021] The support assembly is located between the two web steel bars, and the upper chord steel bar is fixed on one side of the web steel bar close to the sliding rod.

[0022] Further, the movable rod is fixed with a rubber plug at the bottom, and the rubber plug is attached to the side wall of the cylindrical cavity in the fixed rod;

[0023] The rubber plug at the bottom of the movable rod can be clamped in the fixed rod.

[0024] Further, an annular groove is formed in the side wall of the support pad, and the upper chord steel bar is in contact with the annular groove on the support pad;

[0025] A rubber pad is attached to the bottom of the annular groove on the support pad.

[0026] Further, the web steel bar is two bent steel bars, the upper chord steel bar is fixed at the top of the two web steel bars, a lower chord steel bar is fixed between the two web steel bars, and the lower chord steel bar is located below the upper chord steel bar.

[0027] The one or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0028] The support rod is fixed on the bottom rib by the buckle, the rotating rod is rotated to make the sliding rod slide on the fixed block towards the two ends at the same time, the support pad at the end of the sliding rod will abut against the upper chord steel bar and fix the upper chord steel bar on the web steel bar, then the worker welds the upper chord steel bar and the web steel bar together, effectively solve the problem that the steel bar needs to be kept horizontal when welding in the prior art, so that the worker needs to hold the steel bar to keep the steel bar in a horizontal state during welding, resulting in a large amount of manpower wasted during welding and affecting the assembly efficiency of the truss, and thus the worker is not needed to hold the steel bar during welding, and the assembly efficiency of the steel truss is improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a whole structure schematic view of the thin-wall plate steel truss without support;

[0030] Figure 2 It is a whole structure schematic view of the thin-wall plate steel truss without support; Figure 1 It is a side view structure schematic view of the thin-wall plate steel truss without support;

[0031] Figure 3 It is a top view structure schematic view of the thin-wall plate steel truss without support; Figure 1 It is a top view structure schematic view of the thin-wall plate steel truss without support;

[0032] Figure 4 It is a specific structure schematic view of the support assembly of the thin-wall plate steel truss without support;

[0033] Figure 5 It is a sectional view structure schematic view of the thin-wall plate steel truss without support; Figure 4 It is a sectional view structure schematic view of the thin-wall plate steel truss without support;

[0034] Figure 6 It is a connection relationship structure schematic view of the sliding rod and the rotating rod of the thin-wall plate steel truss without support;

[0035] Figure 7 It is a steel assembly structure schematic view of the thin-wall plate steel truss without support.

[0036] In the figure: 100, steel assembly; 101, bottom rib; 102, web steel bar; 103, upper chord steel bar; 104, lower chord steel bar;

[0037] 200, support assembly; 201, support rod; 202, sliding rod; 203, rotating rod; 204, fixed block; 205, rotating ring; 206, support pad; 207, buckle; 208, fixed rod; 209, baffle; 210, movable rod; 212, sliding block. DETAILED DESCRIPTION

[0038] For the purpose of facilitating the understanding of the present application, a more comprehensive description of the present application will be given below with reference to the relevant drawings; the preferred embodiments of the present application are shown in the drawings, however, the present application can be realized in many different forms and is not limited to the embodiments described herein; on the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0039] It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only embodiments.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs; the terms used herein in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0041] As Figures 1 to 7As shown, the application provides a thin-walled steel reinforced truss without support, which comprises a reinforcing assembly 100, the reinforcing assembly 100 comprises a bottom reinforcing bar 101, a web reinforcing bar 102 and an upper chord reinforcing bar 103, the bottom reinforcing bar 101 is a mesh welded by reinforcing bars, the bottom reinforcing bar 101 is located at the lower side of the web reinforcing bar 102, the web reinforcing bar 102 is welded on the bottom reinforcing bar 101, and the upper chord reinforcing bar 103 is welded on the top of the web reinforcing bar 102; the thin-walled steel reinforced truss without support further comprises a support assembly 200; the support assembly 200 comprises a support rod 201, a sliding rod 202, a rotating rod 203, a fixed block 204, a support pad 206 and a buckle 207; the bottom of the support rod 201 is fixed with the buckle 207, the support rod 201 is two mutually parallel rectangular rods, the support rod 201 is fixed on the bottom reinforcing bar 101 through the buckle 207, the plane formed by the support rod 201 and the bottom reinforcing bar 101 is perpendicular, and the support rod 201 is vertically fixed on the bottom reinforcing bar 101; the fixed block 204 is fixed on the top of the support rod 201, the side wall of the fixed block 204 is provided with a through circular hole, the sliding rod 202 passes through the circular hole on the fixed block 204, the sliding rod 202 can slide on the fixed block 204, the sliding rod 202 is provided with external threads, and the sliding rod 202 is screw-connected to the rotating rod 203; the fixed block 204 is a rectangular block; the rotating rod 203 is a cylindrical barrel with internal threads, one end of the sliding rod 202 extends into the rotating rod 203, the threads in the rotating rod 203 are two threads with opposite rotation directions, when the rotating rod 203 rotates, the sliding rods 202 located on both sides of the rotating rod 203 simultaneously slide towards opposite directions, the rotating rod 203 is located between the two sliding rods 202, the rotating rod 203, the sliding rod 202 and the circular hole on the fixed block 204 are located on the same axis, and the sliding rod 202 is moved to both ends by rotating the rotating rod 203; the end of the sliding rod 202 is fixed with the support pad 206, when the sliding rod 202 moves to both ends, the support pad 206 contacts the upper chord reinforcing bar 103, the upper chord reinforcing bar 103 and the web reinforcing bar 102 are contacted by the sliding rod 202, the upper chord reinforcing bar 103 and the web reinforcing bar 102 are adhered on the top, the upper chord reinforcing bar 103 is fixed by the support pad 206 and the web reinforcing bar 102, the upper chord reinforcing bar 103 can always be in a horizontal state, and the upper chord reinforcing bar 103 is welded on the web reinforcing bar 102 by a worker operating a welding device.

[0042] Preferably, the rotating rod 203 is sleeved with a rotating ring 205, the rotating ring 205 is gripped by a wrench to rotate the rotating rod 203; the ends of the rotating rod 203 are fixed with baffles 209; the baffles 209 are circular rings, the sliding rod 202 passes through the circular holes on the baffles 209, the baffles 209 can clamp the sliding rod 202 in the rotating rod 203 and limit the movement range of the sliding rod 202.

[0043] Preferably, the rotating ring 205 is an elastic rubber ring, when the rotating rod 203 is rotated, the rotating ring 205 on the rotating rod 203 can increase the friction between the rotating rod 203 and the wrench.

[0044] Preferably, the sliding rod 202 is fixed with a sliding block 212 at one end inside the rotating rod 203; the sliding block 212 is a cylindrical rod, the side wall of the sliding block 212 is attached to the inner side wall of the rotating rod 203, and the side wall of the sliding block 212 is provided with threads; when the rotating rod 203 rotates, the sliding block 212 inside the rotating rod 203 slides in the rotating rod 203, thereby driving the sliding rod 202 to move; the threads on the sliding block 212 are screw-connected with the threads on the inner side wall of the rotating rod 203, and the sliding rod 202 is simultaneously slid to both sides of the fixed block 204 or between the fixed blocks 204 by rotating the rotating rod 203.

[0045] Preferably, the buckle 207 is provided with a one-side-opened annular hole, and the buckle 207 is made of elastic plastic; by pressing the supporting rod 201, the bottom rib 101 can pass through the opening on the buckle 207, and the bottom rib 101 is clamped in the annular hole on the buckle 207; at this time, the buckle 207 fixes the supporting rod 201 on the bottom rib 101, and thereby fixes the supporting assembly 200 on the bottom rib 101.

[0046] Preferably, the bottom rib 101 is a steel mesh composed of steel bars that are interlaced and welded.

[0047] Preferably, the steel truss is provided with a plurality of supporting assemblies 200 on both sides, and each supporting assembly 200 is located between two web ribs 102; the sliding rod 202 can fix the top chord steel bars 103 on both sides on the web ribs 102; the supporting assemblies 200 are located at the positions of the two ends of the top chord steel bars 103, and the heights of the supporting rods 201 are the same, so that the top chord steel bars 103 can be kept in a horizontal state.

[0048] Preferably, the buckle 207 is detachably connected to the bottom rib 101; after the top chord steel bars 103 are welded on the web ribs 102, the sliding rod 202 is moved to the middle position of the rotating rod 203 by rotating the rotating rod 203, and then the buckle 207 is separated from the bottom rib 101, so that the supporting assembly 200 can be repeatedly used.

[0049] Preferably, the supporting rod 201 is fixedly connected with a movable rod 210 at the bottom; the movable rod 210 is a cylindrical rod, and the movable rod 210 is slidingly connected in the fixed rod 208; the height of the sliding rod 202 is adjusted by sliding the movable rod 210 up and down in the fixed rod 208; the fixed rod 208 is provided with a cylindrical cavity, and the fixed rod 208 is located at the bottom of the supporting rod 201; the supporting rod 201 can move up and down on the fixed rod 208; the buckle 207 is fixed at the bottom of the fixed rod 208, and the fixed rod 208 is fixed on the bottom rib 101 by the buckle 207, and thereby the supporting rod 201 is fixed on the bottom rib 101.

[0050] Preferably, the bottom of the web 102 is bent, the web 102 is bent on both sides in an arc shape, the upper part of the web 102 is parallel to the upper chord 103, the upper chord 103 is attached to one side of the web 102, the bottom of the web 102 is bent and welded to the bottom 101, and the bent part of the web 102 is welded to the bottom 101 on both sides of the web 102; the support assembly 200 is located between the two webs 102, the upper chord 103 is fixed on the web 102 near one side of the sliding rod 202, and the sliding rod 202 can press the upper chord 103 on the web 102 when moving to both sides.

[0051] Preferably, the bottom of the movable rod 210 is fixed with a rubber plug, the rubber plug is attached to the inner cylindrical cavity side wall of the fixed rod 208, the resistance of the movable rod 210 increases when sliding, the movable rod 210 stops at a fixed height through the friction between the movable rod 210 and the inner side wall of the fixed rod 208, so that the sliding rod 202 can be adjusted to the appropriate height when welding the upper chord 103 on the web 102 at different heights; the rubber plug at the bottom of the movable rod 210 can be clamped in the fixed rod 208, limiting the movement range of the movable rod 210 within the fixed rod 208.

[0052] Preferably, an annular groove is formed on the side wall of the support pad 206, and the upper chord 103 is in contact with the annular groove on the support pad 206; a rubber pad is attached to the bottom of the annular groove on the support pad 206, which can increase the friction between the upper chord 103 and the support pad 206, and the pressure applied by the support pad 206 to the web 102 when the sliding rod 202 slides to both sides can fix the upper chord 103 on the web 102.

[0053] Preferably, the web 102 is two bent steel bars, the horizontal bends at the bottom of the two webs 102 face opposite directions, the upper chord 103 is fixed on the top of the two webs 102, the upper chord 103 is welded to the two webs 102, the lower chord 104 is fixed between the two webs 102, the lower chord 104 is located below the upper chord 103, the lower chord 104 is perpendicular to the upper chord 103, and the lower chord 104 is welded to the two webs 102.

[0054] Preferably, the upper chord 103 and the lower chord 104 are both eight, the upper chord 103 and the lower chord 104 are in the same plane, the distance between the upper chords 103 is 100mm to 200mm, and the distance between the lower chords 104 is the same as the distance between the upper chords 103.

[0055] Preferably, each group of trusses is composed of two webs 102, one upper chord 103, and one lower chord 104, and the distance between each group of trusses can be adjusted according to the width of the floor.

[0056] The thin-wall plate steel bar truss without support of the embodiment of the application is used in actual use:

[0057] First, the web bar 102 is welded and fixed on the steel bar mesh composed of the bottom bar 101, then the support assembly 200 is fixed on the bottom bar 101 through the support rod 201, the sliding rod 202 is adjusted to a suitable height by sliding the movable rod 210 on the fixed rod 208, the support pad 206 can be leveled with the height of the top chord steel bar 103, the wrench is used to rotate the rotating rod 203, the sliding rod 202 on the rotating rod 203 slides towards the top chord steel bars 103 on both sides of the support assembly 200 at the same time, the support pad 206 contacts the top chord steel bar 103 and applies pressure to the top chord steel bar 103, so that the top chord steel bar 103 and the horizontal part of the web bar 102 are attached, then the worker welds and fixes the top chord steel bar 103 and the web bar 102, the rotating rod 203 is reversely rotated after the welding is completed, so that the two sliding rods 202 move towards the rotating rod 203, the sliding rod 202 drives the support pad 206 away from the top chord steel bar 103, then the buckle 207 is separated from the bottom bar 101, so that the support assembly 200 is removed, and the support assembly 200 is fixed on the bottom bar 101 for use when other steel bar trusses are welded.

[0058] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A self-supporting thin-walled steel bar truss, comprising a steel bar assembly (100), the steel bar assembly (100) comprising a bottom bar (101), a web bar (102) and an upper chord steel bar (103), the bottom bar (101) being a steel bar welded mesh, the web bar (102) being welded on the bottom bar (101), and the upper chord steel bar (103) being welded on the top of the web bar (102); further comprising a support assembly (200); the support assembly (200) comprising a support rod (201), a sliding rod (202), a rotating rod (203), a fixed block (204), a support pad (206) and a buckle (207); the bottom of the support rod (201) is fixed with the buckle (207), the support rod (201) is two rectangular rods, and the support rod (201) is fixed on the bottom bar (101) through the buckle (207); the fixed block (204) is fixed on the top of the support rod (201), the side wall of the fixed block (204) is provided with a through circular hole, the sliding rod (202) passes through the circular hole on the fixed block (204), the sliding rod (202) is slidingly connected to the fixed block (204), and the sliding rod (202) is screw-connected to the rotating rod (203); the fixed block (204) is a rectangular block; the rotating rod (203) is a cylindrical barrel with internal threads, the threads in the rotating rod (203) are two threads with opposite rotation directions, the rotating rod (203) is located between the two sliding rods (202), and the sliding rods (202) are caused to slide to both ends by rotating the rotating rod (203); the end of the sliding rod (202) is fixed with the support pad (206), the support pad (206) is in contact with the upper chord steel bar (103), and the upper chord steel bar (103) and the web bar (102) are caused to contact by the sliding rod (202). characterized in that A rotating ring (205) is sleeved on the rotating rod (203), and the rotating ring (205) is an elastic rubber ring; Both ends of the rotating rod (203) are fixed with a baffle (209); The baffle (209) is a circular ring. One end of the sliding rod (202) located in the rotating rod (203) is fixed with a sliding block (212); The sliding block (212) is a cylindrical rod, the side wall of the sliding block (212) is attached to the inner side wall of the rotating rod (203), the side wall of the sliding block (212) is provided with threads, and the threads on the sliding block (212) are screw-connected to the threads on the inner side wall of the rotating rod (203). The bottom of the support rod (201) is fixedly connected with a movable rod (210); The movable rod (210) is a cylindrical rod, the movable rod (210) is slidingly connected in a fixed rod (208), the fixed rod (208) is provided with a cylindrical cavity, the fixed rod (208) is located at the bottom of the support rod (201), and the buckle (207) is fixed at the bottom of the fixed rod (208).

2. A self-supporting thin-walled steel plate reinforced truss according to claim 1, wherein The bottom of the web bar (102) is bent, and the bent portion of the bottom of the web bar (102) is welded and fixed to the bottom bar (101); The support assembly (200) is located between the two web bars (102), and the upper chord steel bar (103) is fixed to one side of the web bar (102) close to the sliding rod (202). ​ 3. A self-supporting thin-walled steel plate reinforced truss according to claim 2, wherein ​ ​ 4. A self-supporting thin-walled steel plate reinforced truss according to claim 1, wherein ​ ​ 5. A self-supporting thin-walled steel plate reinforced truss according to claim 1, wherein ​ ​ 6. A self-supporting thin walled steel reinforced truss panel as defined in claim 4 wherein, The bottom of the movable rod (210) is fixed with a rubber plug, which is in close contact with the side wall of the cylindrical cavity in the fixed rod (208); The rubber plug at the bottom of the movable rod (210) can be clamped in the fixed rod (208).

7. A self-supporting thin walled steel reinforced truss panel as defined in claim 1 wherein, An annular groove is formed in the side wall of the support pad (206), and the upper chord steel bar (103) is in contact with the annular groove on the support pad (206). A rubber pad is attached to the bottom of the annular groove on the support pad (206).

8. A self-supporting thin walled steel reinforced truss panel as defined in claim 1 wherein, The web (102) is two bent steel bars, the upper chord steel bar (103) is fixed on the top of the two webs (102), and the lower chord steel bar (104) is fixed between the two webs (102) and located below the upper chord steel bar (103).

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