Anti-shaking double-channel steel joist structure

Abstract

The utility model discloses an anti-shake double-channel steel joist structure, which comprises a horizontally arranged support beam, the support beam comprises two channel steels of which webs are vertically arranged and openings are opposite, and opposite semicircular grooves are correspondingly formed in flanges on the upper and lower sides of the two channel steels; opposite first connecting holes are formed in the positions, corresponding to the two sides of the semicircular groove, of webs of the two steel channels. A dragging and supporting lead screw is vertically arranged between the semicircular grooves of the two steel channels, a disc adjusting nut is installed on the dragging and supporting lead screw in a threaded fit mode, and the disc adjusting nut abuts against the upper side of the supporting beam. Lead screw fastening bolts are arranged in the first connecting holes in a penetrating mode, under the fastening effect of the lead screw fastening bolts, the flanges of the two pieces of channel steel can be close to each other, and the groove walls of the semicircular grooves of the two pieces of channel steel are tightly attached to the dragging and supporting lead screw. The supporting structure is simple in structure and convenient to construct, and has good supporting stability and safety.

Description

TECHNICAL FIELD

[0001] The utility model relates to building structure technical field especially relates to a kind of anti-shaking double channel steel joist structure. BACKGROUND

[0002] At present, the joist system of double channel steel+supporting is the key to reduce the material of support frame and improve the installation efficiency of support frame under beam, which can effectively exert the bearing capacity of vertical rod and the shear bearing capacity of vertical rod connecting disc, and can ensure the axial force transmission of vertical rod;Through the adjustable support on the joist, the height of beam main ridge can be adjusted to adapt to different beam height. Therefore, double channel steel joist is widely used in building support frame.

[0003] However, during actual construction, the joist at beam bottom is directly placed on the connecting disc of disc buckle vertical rod, lacks limiting measures, which may cause the joist to slide off, and there is a safety hazard;At the same time, the support lacks effective fixing method, is easy to shake, lacks effective support for beam, and the beam column is easy to incline, has poor stability, and has great safety hazard. UTILITY MODEL CONTENT

[0004] In view of the above technical problems of prior art, the utility model solves the problems of poor stability, easy loosening or shaking and poor safety of prior art joist structure.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] An anti-shaking double channel steel joist structure, comprising a support beam arranged horizontally, the support beam comprises two channel steels with vertical web plates and opposite openings, and has a first spacing between the flanges of the two channel steels;Corresponding semicircular grooves are formed on the upper and lower flanges of the two channel steels, and corresponding first connecting holes are formed on the web plates of the two channel steels on both sides of the semicircular grooves;A supporting screw rod is vertically arranged between the semicircular grooves of the two channel steels, and the upper end thereof is connected with the beam bottom ridge;A disc adjusting nut is threadedly connected to the supporting screw rod, and the disc adjusting nut abuts against the upper side of the support beam;A screw rod fastening bolt is arranged in the first connecting hole, and under the fastening action of the screw rod fastening bolt, the flanges of the two channel steels can approach each other, and the groove walls of the semicircular grooves of the two channel steels tightly abut against the supporting screw rod.

[0007] As an optimization, it further comprises two disc buckle vertical rods, the vertical rod connecting disc is arranged horizontally on the disc buckle vertical rod, and corresponding, the upper and lower flanges at both ends of the channel steel are provided with rectangular grooves, the rectangular grooves penetrate through one end face of the channel steel flange, so that the second spacing between the two channel steels matches the diameter of the disc buckle vertical rod, and the two ends of the support beam are sleeved on the disc buckle vertical rod through the second spacing, and the lower side of the two ends of the support beam abuts against the vertical rod connecting disc.

[0008] As optimization, opposite second connecting holes are arranged at positions close to two ends of the two channel steels respectively, and double channel steel limiting bolts are arranged in the second connecting holes, and when the two ends of the support beam are sleeved on the disc buckle vertical rod, the double channel steel limiting bolts are located at a side of the disc buckle vertical rod close to the end of the channel steel.

[0009] As optimization, the upper end of the supporting wire rod is provided with a limiting rod, and a limiting groove capable of cooperating with the limiting rod is arranged on the beam bottom keel.

[0010] As optimization, the disc adjusting nut comprises a nut body and a bottom plate on the lower side of the nut body, the size of the bottom plate is greater than the diameter of the nut body, and a plurality of rib plates are distributed around the nut body and the bottom plate.

[0011] As optimization, rubber pads are arranged on the groove walls of the semicircular grooves.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] The utility model discloses,

[0014] 1. The inclination of the beam column can be reduced, the workload of leveling the beam column can be reduced, and the risk of rework can be reduced.

[0015] 2. All matching materials can be universal and can be repeatedly used.

[0016] 3. The stability and safety of the beam bottom supporting system are improved, simpler reinforcement measures improve construction efficiency, and the construction period is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the installation structure schematic view of the utility model;

[0018] Fig. 2 It is the front view structure schematic view of the utility model;

[0019] Fig. 3 It is the top view structure schematic view of the utility model;

[0020] In the drawing, 1 is a support beam, 2 is a supporting wire rod, 3 is a beam bottom keel, 4 is a disc adjusting nut, 5 is a screw rod fastening bolt, 6 is a disc buckle vertical rod, 7 is a vertical rod connecting disc, 8 is a double channel steel limiting bolt, and 9 is a limiting rod. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail in combination with the drawings.

[0022] In specific implementation:

[0023] Embodiment, see Figs. 1-3, In order to solve the prior art problems, the utility model provides a kind of anti-shaking double channel steel joist structure, including the support beam 1 being set horizontally, the support beam 1 includes two web vertical setting and opening opposite channel steel, and the flange between two channel steels has first spacing;Corresponding half-round groove is set on the upper and lower flanges of two channel steels, and corresponding first connecting hole is set on the web of two channel steels on the two sides of half-round groove;Drag wire rod 2 is vertically arranged between the half-round groove of two channel steels, and its upper end is used to be connected with beam bottom keel 3;Disc adjusting nut 4 is threadedly cooperated and installed on drag wire rod 2, and disc adjusting nut 4 is abutted with the upper side of support beam 1;Wire rod fastening bolt 5 is arranged in first connecting hole, and under the fastening effect of wire rod fastening bolt 5, the flange of two channel steels can be close to each other, and the groove wall of the half-round groove of two channel steels is tightly combined with drag wire rod 2, so as to clamp drag wire rod 2, to prevent it from shaking.

[0024] Specifically, it also includes two disc buckle vertical rods 6, the vertical rod connecting disc 7 is horizontally arranged on the disc buckle vertical rod 6, and corresponding, the upper and lower flanges on the two ends of the channel steel are provided with rectangular grooves, the rectangular grooves penetrate the end face of the channel steel flange, so that the second spacing matching the diameter of the disc buckle vertical rod 6 is formed between the two channel steels, and the two ends of the support beam 1 are sleeved on the disc buckle vertical rod 6 through the second spacing and the lower side of the two ends of the support beam 1 is combined with the vertical rod connecting disc 7.

[0025] Second connecting holes are respectively arranged on the positions close to the two ends of two channel steels, and double-channel steel limiting bolts 8 are arranged in the second connecting holes, when the two ends of the support beam 1 are sleeved on the disc buckle vertical rod 6, the double-channel steel limiting bolts 8 are located on the side close to the end of the channel steel of the disc buckle vertical rod 6. In this way, by tightening the double-channel steel limiting bolts 8, the entire support beam 1 can only rotate in the plane, realizing the axial stress of the disc buckle vertical rod 6, preventing the joist from sliding off and improving safety.

[0026] The upper end of the drag wire rod 2 is provided with a limiting rod 9, and the beam bottom keel 3 is provided with a limiting groove capable of cooperating with the limiting rod 9, the limiting rod 9 is inserted into the limiting groove, which can prevent the beam bottom keel 3 from sliding and improve safety.

[0027] The disc adjusting nut 4 includes a nut body and a bottom plate on the lower side of the nut body, the size of the bottom plate is larger than the diameter of the nut body, and a plurality of rib plates are distributed around the nut body and the bottom plate. In this way, the larger size of the bottom plate can ensure good support, and the rib plate can strengthen the rigidity of the bottom plate, so that the support is more stable.

[0028] A rubber pad is arranged on the groove wall of the half-round groove, so as to better protect the thread of the drag wire rod 2, reduce wear and prolong service life.

[0029] In summary, this utility model addresses the beam misalignment issue caused by the direct placement of supports on the double channel steel in current double channel steel + support beam systems. It aims to increase the stability and safety of the beam bottom support through a novel anti-sway double channel steel support beam system. Regarding the support swaying problem in double channel steel + support beam systems, the common reinforcement measure currently adopted is to use a steel pipe with four cross-shaped fasteners to connect the threaded rod and the upright. However, this method is time-consuming. The novel anti-sway double channel steel support beam system reduces the construction time of the support, achieving the goal of improving efficiency. Furthermore, the displacement of the support beam system is limited by the bolts at both ends of the double channel steel and the limiting devices for the keel and threaded rod, thereby reducing safety hazards and improving the level of safe and civilized construction on site.

[0030] Therefore, this utility model,

[0031] 1. It can reduce the tilt of beams and columns, reduce the amount of work required for leveling beams and columns, and reduce the risk of rework;

[0032] 2. All supporting materials are universal and can be reused repeatedly;

[0033] 3. It increases the stability and safety of the beam bottom support system, and the simpler reinforcement measures improve construction efficiency and reduce the construction period.

[0034] Although embodiments of the present invention have been shown and described, those skilled in the art can make various changes, modifications, substitutions and alterations to these embodiments without departing from the principles and basis of the present invention. The scope of the present invention is defined by the appended claims and their equivalents. Therefore, the embodiments of the present invention are merely illustrative examples and do not constitute a limitation on the present invention in any way.

Claims

1. A sway-resistant double-channel steel support beam structure, characterized in that, The system includes a horizontally arranged support beam, comprising two vertically arranged channel steels with opposite openings on their webs, and a first gap between the flanges of the two channel steels. Opposite semicircular grooves are correspondingly formed on the upper and lower flanges of the two channel steels, and opposite first connecting holes are formed on the webs of the two channel steels corresponding to the semicircular grooves on both sides. A drag rod is vertically arranged between the semicircular grooves of the two channel steels, the upper end of which is used to connect to the bottom joist of the beam. A disc adjusting nut is threaded onto the drag rod, and the disc adjusting nut abuts against the upper side of the support beam. A threaded rod fastening bolt passes through the first connecting hole. Under the fastening action of the threaded rod fastening bolt, the flanges of the two channel steels can approach each other, and the groove walls of the semicircular grooves of the two channel steels are tightly fitted with the drag rod.

2. The anti-sway double-channel steel support beam structure according to claim 1, characterized in that, It also includes two disc-lock uprights, each with a horizontally mounted upright connecting plate. Correspondingly, rectangular grooves are formed on the upper and lower flanges at both ends of the channel steel. The rectangular grooves penetrate one end face of the channel steel flange, creating a second gap between the two channel steels that matches the diameter of the disc-lock upright. The two ends of the support beam are fitted onto the disc-lock uprights through this second gap, and the lower sides of the two ends of the support beam are in contact with the upright connecting plate.

3. The anti-sway double-channel steel support beam structure according to claim 2, characterized in that, Two opposite second connecting holes are respectively opened at the two channel steels near their ends, and double channel steel limiting bolts are inserted into the second connecting holes. When the two ends of the support beam are sleeved on the disc buckle upright, the double channel steel limiting bolts are located on the side of the disc buckle upright near the end of the channel steel.

4. The anti-sway double-channel steel support beam structure according to claim 1, characterized in that, The upper end of the drag rod is provided with a limiting rod, and the bottom keel of the beam is provided with a limiting groove that can cooperate with the limiting rod.

5. The anti-sway double-channel steel support beam structure according to claim 1, characterized in that, The disc adjusting nut includes a nut body and a base plate on the lower side of the nut body. The size of the base plate is larger than the diameter of the nut body, and multiple ribs are distributed around the nut body and the base plate.

6. The anti-sway double-channel steel support beam structure according to claim 1, characterized in that, A rubber pad is provided on the wall of the semi-circular groove.

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