Connecting device for steel bar truss floor support plate
By designing a steel bar truss floor bearing plate connection device including positioning blocks, pressing plates and limiting plates, the problem of position judgment error when the steel bar truss is fixed in the prior art is solved, and the simple and accurate assembly of the steel bar truss and the bottom formwork is realized, and the stability of construction quality is improved.
Patent Information
- Application Number
- CN202420430444.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-03-06
AI Technical Summary
There is a position judgment error in the existing steel bar truss floor bearing plate connection device when fixed, resulting in inconsistent assembly quality and affecting construction quality.
A connection device including a bottom formwork, a front section pad, a middle section pad and a final section pad is designed. Through the combination of positioning blocks, pressing plates and limiting plates, the simple and accurate assembly of the steel bar trusses is achieved.
The rigid connection between the steel bar truss and the bottom formwork can be achieved without calibration, which improves the simplicity and consistency of assembly and ensures the stability of construction quality.
Smart Images
Figure CN222796720U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel bar truss floor decking plates, in particular to a connecting device for steel bar truss floor decking plates. Background Art
[0002] A truss made of steel bars as the upper chord, lower chord and web members connected by resistance spot welding is called a steel truss. A combined load-bearing plate formed by connecting the steel truss and the bottom plate by resistance spot welding is called a steel truss floor deck. However, since the corrosion-resistant layer on the surface of the steel bar will be destroyed during welding, which makes the welding part easy to rust, the existing steel truss floor deck is not conducive to long-term storage, so a connecting device is needed to connect the steel truss and the bottom plate together.
[0003] For example, in the prior art, the patent with the patent authorization announcement number CN216516494U discloses a connection device for installing a steel truss floor deck, including a first fixing plate, the lower plate surface of the first fixing plate is provided with three pairs of first arc-shaped clamping grooves, the positions of the first arc-shaped clamping grooves match the lower chord steel bars of the steel truss, the middle of the first two pairs of the first arc-shaped clamping grooves are provided with a first through hole, the middle of the last two pairs of the first arc-shaped clamping grooves are provided with a second through hole, the insides of the first through hole and the second through hole are respectively provided with a first bolt and a second bolt, and the two pass through the first fixing plate. The utility model discloses a connection device for installing a steel truss floor deck, which has a simple structure, is easy to operate, does not require welding, does not have rust spots, saves the cost of electric welding wire, is conducive to the maintenance of the floor deck, is more stable through bolt connection, the force strength of the floor deck is greater than that of welding, and is more secure after being combined with concrete during construction.
[0004] Although the connection device for installing the steel truss floor deck in the above-mentioned patent does not require welding and will not rust, thus saving the cost of electric welding wire and being beneficial to the maintenance of the floor deck, the steel truss in the above-mentioned patent has certain defects when being fixed; when the multiple steel trusses in the above-mentioned patent are placed on the second arc-shaped clamping groove of the second fixing plate, the staff needs to rely on the naked eye to judge whether the placement position of the steel truss is appropriate, and the judgment by the naked eye of the human body is prone to certain errors, which leads to uneven quality of the steel truss floor deck assembled using the structure, which is easy to affect the subsequent construction quality. Utility Model Content
[0005] In view of the deficiencies of the prior art, the utility model provides a connecting device for a steel truss floor deck to solve the problems raised by the background technology and make the assembly of the steel truss and the bottom template simple and convenient.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connecting device for a steel truss floor deck, comprising a bottom template and a steel truss connected to the top of the bottom template, the two ends of the top of the bottom template are respectively fixed with a front pad and a rear pad, a middle pad is fixed to the middle position of the top of the bottom template, the tops of the front pad, the middle pad and the rear pad are all provided with slots matching the steel truss, a positioning block is fixed to the side of the top slot of the front pad away from the rear pad, the top of the front pad is connected to a pressure plate, and the top of the rear pad is connected to a limiting plate.
[0007] Furthermore, a storage groove matching the steel truss is provided on one side of the pressure plate close to the steel truss, and slide grooves are provided on both sides of the storage groove. A matching slider is slidably connected inside the slide groove, and an anti-drop block is fixed to the top of the slider.
[0008] Furthermore, a connecting plate is fixedly connected to one side of the anti-slip block away from the steel bar truss, a fixing bolt is slidably connected to the middle position of the connecting plate, and the fixing bolt passes through the connecting plate and the pressure plate and is threadedly connected to the front pad.
[0009] Furthermore, the end of the sliding block is arranged in a trapezoidal shape.
[0010] Furthermore, a baffle is fixedly connected to one side of the top of the end pad close to the steel truss, a positioning rod is fixedly connected to one side of the baffle close to the limit plate, an end of the positioning rod away from the baffle is rotatably connected to a rotating handle, a positioning groove matching the positioning rod and the rotating handle is provided in the middle position of the limit plate, and a limiting block is fixedly connected to one end of the bottom of the limit plate away from the steel truss, and the limiting block matches the slot.
[0011] Furthermore, the limiting plate is of E-shaped configuration.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] This kind of connection device for steel bar truss floor decking, when connecting the steel bar truss to the bottom formwork, it is only necessary to first place the steel bar truss on the slots of the front pad, the middle pad and the end pad, and place one end of the steel bar truss against the positioning block, and then fix one end of the steel bar truss with a pressure plate, and finally limit and fix the other end of the steel bar truss with a limit plate. Due to the presence of the positioning block, the steel bar truss does not need to be calibrated when assembled with the bottom formwork, which will be simpler and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the structure of the utility model when it is unfolded as a whole;
[0016] Figure 3 For this utility model Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;
[0017] Figure 4 It is a structural schematic diagram of the pressing plate of the utility model.
[0018] In the figure: 1. bottom formwork; 2. steel bar truss; 3. front pad; 4. middle pad; 5. end pad; 6. pressure plate; 7. storage slot; 8. slide slot; 9. slide block; 10. anti-slip block; 11. connecting plate; 12. fixing bolt; 13. positioning block; 14. limit plate; 15. positioning rod; 16. rotating handle; 17. positioning slot; 18. limit block. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0020] See also Figure 1-4 A connecting device for a steel truss floor deck comprises a bottom formwork 1 and a steel truss 2 connected to the top of the bottom formwork 1, a front section pad 3 and a rear section pad 5 are fixedly connected to the two ends of the top of the bottom formwork 1, a middle section pad 4 is fixedly connected to the middle position of the top of the bottom formwork 1, and the tops of the front section pad 3, the middle section pad 4 and the rear section pad 5 are all provided with a slot matching the steel truss 2, a positioning block 13 is fixedly connected to the side of the top slot of the front section pad 3 away from the rear section pad 5, a pressing plate 6 is connected to the top of the front section pad 3, and a limiting plate 14 is connected to the top of the rear section pad 5.
[0021] The connecting device for the steel bar truss floor deck in the utility model, when connecting the steel bar truss 2 to the bottom template 1, only needs to place the steel bar truss 2 on the grooves of the front pad 3, the middle pad 4 and the end pad 5, and place one end of the steel bar truss 2 against the positioning block 13, and then fix one end of the steel bar truss 2 by the pressure plate 6, and finally limit and fix the other end of the steel bar truss 2 by the limit plate 14. Due to the presence of the positioning block 13, the steel bar truss 2 does not need to be calibrated when assembled with the bottom template 1, and the assembly process will be simpler and more convenient. In addition, the structure of the bottom template 1 and the steel bar truss 2 in the utility model is similar to the prior art, and the patent authorization announcement number is CN216516494U, which discloses a connecting device for installing a steel bar truss floor deck, so it will not be elaborated here.
[0022] like Figure 1 , Figure 2 and Figure 4As shown, a receiving groove 7 matching the steel truss 2 is provided on one side of the pressure plate 6 close to the steel truss 2, and slide grooves 8 are provided on both sides of the receiving groove 7. A matching slider 9 is slidably connected inside the slide groove 8, and an anti-slip block 10 is fixed to the top of the slider 9.
[0023] like Figure 1 , Figure 2 and Figure 4 As shown, a connecting plate 11 is fixedly connected to the side of the anti-slip block 10 away from the steel truss 2, and a fixing bolt 12 is slidably connected to the middle position of the connecting plate 11. The fixing bolt 12 passes through the connecting plate 11 and the pressure plate 6 and is threadedly connected to the front section pad 3.
[0024] Specifically, when fixing one end of the steel truss 2 close to the positioning block 13, it is only necessary to place the pressure plate 6 on the steel truss 2 and align the pressure plate 6 with the front pad 3, and then push the anti-slip block 10 to limit the vertical steel bars on the steel truss 2 through the anti-slip block 10, and then insert the fixing bolts 12 into the connecting plate 11 and the pressure plate 6, so that the fixing bolts 12 are threadedly connected to the front pad 3, and the connecting plate 11 and the pressure plate 6 are fixed by the fixing bolts 12. The operation is simple and convenient.
[0025] like Figure 1 , Figure 2 and Figure 4 As shown, the end of the slide block 9 is arranged in a trapezoidal shape. The slide block 9 arranged in a trapezoidal shape has a better limiting effect.
[0026] like Figure 1 , Figure 2 and Figure 3 As shown, a baffle is fixedly connected to the side of the top of the last section pad 5 close to the steel truss 2, a positioning rod 15 is fixedly connected to the side of the baffle close to the limit plate 14, the end of the positioning rod 15 away from the baffle is rotatably connected to a rotating handle 16, a positioning groove 17 matching the positioning rod 15 and the rotating handle 16 is provided in the middle position of the limit plate 14, and a limiting block 18 is fixedly connected to the end of the bottom of the limiting plate 14 away from the steel truss 2, and the limiting block 18 matches the slot.
[0027] Specifically, when fixing the end of the steel truss 2 away from the positioning block 13, it is only necessary to push the limit plate 14 until the rotating handle 16 is exposed. At this time, the limit block 18 at the bottom of the limit plate 14 is just against the end of the steel truss 2, and then the exposed rotating handle 16 is rotated to make the rotating handle 16 in a vertical state. The operation is relatively simple and convenient.
[0028] like Figure 1 , Figure 2 and Figure 3As shown, the limiting plate 14 is set in an E-shaped configuration. The limiting plate 14 with an E-shaped configuration makes it easier for the vertical steel bars of the steel bar truss 2 to be clamped on the limiting plate 14, so that the limiting effect of the limiting plate 14 is better.
[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.
Claims
1. A connection device for a steel truss floor deck, comprising a bottom template (1) and a steel truss (2) connected to the top of the bottom template (1), characterized in that: The two ends of the top of the bottom template (1) are respectively fixedly connected to a front pad (3) and a rear pad (5); the middle position of the top of the bottom template (1) is fixedly connected to a middle pad (4); the tops of the front pad (3), the middle pad (4) and the rear pad (5) are all provided with a slot matching the steel bar truss (2); a positioning block (13) is fixedly connected to the side of the slot at the top of the front pad (3) away from the rear pad (5); the top of the front pad (3) is connected to a pressing plate (6); the top of the rear pad (5) is connected to a limiting plate (14).
2. A connection device for a steel truss floor deck according to claim 1, characterized in that: A receiving groove (7) matching the steel truss (2) is provided on one side of the pressure plate (6) close to the steel truss (2), and slide grooves (8) are provided on both sides of the receiving groove (7). A matching slider (9) is slidably connected inside the slide groove (8), and an anti-drop block (10) is fixed to the top of the slider (9).
3. A connection device for a steel truss floor deck according to claim 2, characterized in that: A connecting plate (11) is fixedly connected to the side of the anti-slip block (10) away from the steel bar truss (2), and a fixing bolt (12) is slidably connected to the middle position of the connecting plate (11). The fixing bolt (12) passes through the connecting plate (11) and the pressure plate (6) and is threadedly connected to the front pad (3).
4. A connection device for a steel truss floor deck according to claim 2, characterized in that: The end of the sliding block (9) is arranged in a trapezoidal shape.
5. A connection device for a steel bar truss floor deck according to claim 1, characterized in that: A baffle is fixedly connected to the top of the end pad (5) on one side close to the steel truss (2), a positioning rod (15) is fixedly connected to the side of the baffle close to the limit plate (14), an end of the positioning rod (15) away from the baffle is rotatably connected to a rotating handle (16), a positioning groove (17) matching the positioning rod (15) and the rotating handle (16) is provided in the middle of the limit plate (14), and a limiting block (18) is fixedly connected to the bottom end of the limit plate (14) away from the steel truss (2), and the limiting block (18) matches the slot.
6. A connection device for a steel bar truss floor deck according to claim 5, characterized in that: The limiting plate (14) is of E-shaped configuration.