Steel bar truss floor support plate mounting device

By installing floor decking fastening components and anti-peeling components on steel truss floor decking, the connection strength is enhanced, solving the problems of peeling and loose fastening of steel truss floor decking under load, achieving higher integrity and stability, extending service life and improving building safety.

CN223675648UActive Publication Date: 2025-12-16THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GRP
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Patent Information

Application Number
CN202520049065.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-16
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing steel truss floor decks are prone to peeling when subjected to excessive loads, resulting in loose joints.

Method used

The floor decking joint assembly and anti-stripping assembly are installed on galvanized steel plates. The tightening shell is driven by a screw rod to tighten the fixed column, thereby enhancing the connection strength between the floor deckings. The connection with the lower chord and web reinforcement is enhanced by an extrusion plate.

Benefits of technology

It effectively avoids leakage and loosening caused by excessive gaps in the floor deck, improves the integrity and stability of the floor deck, extends its service life, and enhances the safety and durability of the building.

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Abstract

The utility model discloses a steel bar truss floor support plate mounting device, which relates to the technical field of constructional engineering and comprises a galvanized steel plate, an upper chord movably connected to the upper portion of the galvanized steel plate, a plurality of web member steel bars fixedly connected to the outer side of the upper chord, and a first threaded rod movably connected to the outer side of the galvanized steel plate. When a plurality of steel bar truss floor support plates are arranged together, the tightening shells can be buckled on the adjacent fixing columns, rotation of the lead screws can drive the tightening shells to move in the horizontal direction, the galvanized steel plates are provided with floor support plate stripping prevention assemblies, and when the galvanized steel plates are extruded by gravity, the tightening shells can be tightened by the floor support plate stripping prevention assemblies. When the floor support plates are connected, the first extrusion plate and the second extrusion plate can be dragged through the sliding rod, the floor support plate seam buckling assembly is arranged, a tightening shell is driven by rotation of a lead screw to contract a fixing column, gaps between the floor support plates can be accurately aligned and tightly attached, and the connection strength between the floor support plates is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering especially relates to a steel bar truss floor support plate mounting device. BACKGROUND

[0002] Steel truss refers to the truss made of steel, and the roof structure of industrial and civil buildings, crane beam, bridge and hydraulic gate etc., commonly use steel truss as the main load-bearing component, various towers, such as mast tower, television tower and power transmission line tower etc., commonly use three, four or more plane truss composed of space steel truss, and the steel bar truss floor support plate is the truss connected by resistance spot welding with the upper chord, lower chord and web, and the steel bar truss and the bottom plate are connected into a whole by resistance spot welding.

[0003] Through the search, the utility model patent with Chinese patent number CN216475804U discloses a steel bar truss floor support plate;

[0004] Compared with the prior art, the utility model patent with Chinese patent number CN216475804U can avoid the complicated processes such as formwork erection, formwork removal and steel bar binding, and compared with the concrete frame structure in the related art, the steel bar truss floor support plate in the application improves the work efficiency of construction personnel and speeds up the construction progress.

[0005] But the above-mentioned device in the actual use process, in the use process if receives the excessive load, because the floor support plate and the base bar are in the threaded connection relationship, this may lead to the excessive load will make the floor support plate peeling phenomenon, the floor support plate peeling also indirectly reflects that there will be a problem of not tight joint between the floor support plates in use, therefore, a steel bar truss floor support plate mounting device needs to be put forward. UTILITY MODEL CONTENTS

[0006] The utility model discloses a steel bar truss floor support plate mounting device to solve the problem that the floor support plate peels off and the floor support plate joint is not tight in use in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] The utility model provides a steel bar truss floor support plate mounting device, including galvanized sheet, the upper part swing joint of galvanized sheet is connected with upper chord, the outside fixed connection of upper chord has a plurality of web steel bars, the outside swing joint of galvanized sheet has first threaded rod, be provided with floor support plate buckle seam subassembly on galvanized sheet, floor support plate buckle seam subassembly includes the swing joint of tightening shroud and fixed column of galvanized sheet, and the swing joint of screw rod and tightening shell of galvanized sheet, when a plurality of steel bar truss floor support plates arrange together, the tightening shell will buckle on the fixed column of adjacent, the rotation of screw rod will drive tightening shell to move in horizontal direction, be provided with prevent floor support plate stripping subassembly on galvanized sheet, prevent floor support plate stripping subassembly includes the swing joint of lower chord and slide bar of galvanized sheet, and the swing joint of first extrusion plate and second extrusion plate of galvanized sheet, when the extrusion of galvanized sheet is received gravity, will pass through slide bar and drag first extrusion plate and second extrusion plate.

[0009] The above technical solution further comprises:

[0010] The side of the galvanized sheet close to the upper chord is symmetrically fixedly connected with a horizontal rod, and the side of the galvanized sheet close to the upper chord is symmetrically fixedly connected with a vertical rod, and the horizontal rod and the vertical rod are fixedly connected.

[0011] The outside of the horizontal rod and the lower chord are fixedly connected, the side of the galvanized sheet close to the upper chord is provided with a clamping groove, the side of the galvanized sheet close to the upper chord is fixedly connected with a contact block, and the contact block and the first threaded rod are screwedly connected, and the rotation of the first threaded rod can make the clamping groove and the clamping groove fit together.

[0012] The galvanized sheet and a plurality of second threaded rods are screwedly connected, the galvanized sheet close to the upper chord and a plurality of fixed columns are fixedly connected, a plurality of the second threaded rods are uniformly distributed along the circumference of the galvanized sheet, a plurality of the fixed columns are uniformly distributed along the circumference of the galvanized sheet, and the second threaded rods and the fixed columns are correspondingly distributed.

[0013] One end of the second threaded rod close to the upper chord is rotatably connected with the tightening shroud, the tightening shroud and the screw rod are screwedly connected, and the screw rod can rotate on the inside of the tightening shroud.

[0014] One end of the screw rod away from the vertical rod is rotatably connected with the tightening shell, the size of the tightening shell is matched with the size of the fixed column, and the tightening shell can coincide with the fixed column when moving downward.

[0015] The outside of the galvanized sheet and a plurality of slide rods are slidably connected, a plurality of the slide rods are uniformly distributed along the circumference of the galvanized sheet, one end of the slide rod away from the upper chord is fixedly connected with a fixed plate, and the fixed plate is used for increasing the contact area with the galvanized sheet.

[0016] The outer side of the sliding rod is fixedly connected with the first extrusion plate, the first extrusion plate is in contact with the lower chord near the side of the galvanized steel plate, the outer side of the sliding rod is fixedly connected with the second extrusion plate, and the second extrusion plate is in contact with the web steel bar near the side of the galvanized steel plate.

[0017] The utility model has the following beneficial effects:

[0018] 1. In the utility model, the rotation of the lead screw drives the tightening shell to shrink the fixed column, can accurately align and tightly fit the gap between the floor support plates, effectively avoids the leakage, looseness and other quality problems caused by the too large gap, meanwhile, the tightening effect of the lead screw also enhances the connection strength between the floor support plates, improves the integrity and stability of the whole floor, so that the floor can better bear various load actions and prolongs the service life.

[0019] 2. In the utility model, the first extrusion plate and the second extrusion plate extrude the lower chord and the web steel bar, the connection strength between the floor support plate and the first extrusion plate and the second extrusion plate is enhanced, the integrity and stability of the floor support plate structure are ensured, so that the safety and durability of the building are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an overall structure schematic view of the steel bar truss floor support plate mounting device;

[0021] Figure 2 It is an overall bottom structure schematic view of the steel bar truss floor support plate mounting device;

[0022] Figure 3 It is an overall bottom structure schematic view of the steel bar truss floor support plate mounting device;

[0023] Figure 4 It is Figure 3 It is an enlarged schematic view of structure A.

[0024] In the drawing: 1, galvanized steel plate; 2, horizontal rod; 3, vertical rod; 4, upper chord; 5, lower chord; 6, web steel bar; 7, clamping groove; 8, contact block; 9, first threaded rod; 10, second threaded rod; 11, tightening shield; 12, lead screw; 13, tightening shell; 14, fixed column; 15, sliding rod; 16, fixed plate; 17, first extrusion plate; 18, second extrusion plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Embodiment one

[0027] As Figures 1-4 shown in the utility model discloses a kind of steel bar truss floor support plate mounting device, galvanized steel sheet 1 is connected with upper chord 4 in upper part movably, the outer side of upper chord 4 is fixedly connected with multiple web member steel bars 6, the outer side of galvanized steel sheet 1 is movably connected with first threaded rod 9, galvanized steel sheet 1 is provided with floor support plate lock seam subassembly, floor support plate lock seam subassembly includes the tightening shroud 11 and fixed column 14 that are movably connected on galvanized steel sheet 1, and the screw rod 12 and tightening shell 13 that are movably connected on galvanized steel sheet 1, multiple steel bar truss floor support plates are arranged together, and tightening shell 13 can be buckled on adjacent fixed column 14, the rotation of screw rod 12 can drive tightening shell 13 to move in horizontal direction, galvanized steel sheet 1 is provided with anti-floor support plate stripping subassembly, anti-floor support plate stripping subassembly includes lower chord 5 and slide bar 15 that are movably connected on galvanized steel sheet 1, and first extrusion plate 17 and second extrusion plate 18 that are movably connected on galvanized steel sheet 1, when galvanized steel sheet 1 is extruded by gravity, first extrusion plate 17 and second extrusion plate 18 can be dragged by slide bar 15.

[0028] Galvanized steel sheet 1 is fixedly connected with cross bar 2 on the side close to upper chord 4 symmetrically, galvanized steel sheet 1 is fixedly connected with vertical bar 3 on the side close to upper chord 4 symmetrically, cross bar 2 and vertical bar 3 are fixedly connected, and vertical bar 3 functions to connect galvanized steel sheet 1 and upper chord 4 and support upper chord 4.

[0029] Cross bar 2 is fixedly connected between the outer side and lower chord 5, galvanized steel sheet 1 is provided with clamping groove 7 on the side close to upper chord 4, galvanized steel sheet 1 is fixedly connected with contact block 8 on the side close to upper chord 4, contact block 8 is threadedly connected between first threaded rod 9, and the rotation of first threaded rod 9 can make clamping groove 7 and clamping groove 7 adhere together.

[0030] Galvanized steel sheet 1 is threadedly connected between multiple second threaded rods 10, galvanized steel sheet 1 is fixedly connected between multiple fixed columns 14 on the side close to upper chord 4, multiple second threaded rods 10 are evenly distributed along galvanized steel sheet 1 in circumference, multiple fixed columns 14 are evenly distributed along galvanized steel sheet 1 in circumference, and second threaded rods 10 and fixed columns 14 are correspondingly distributed.

[0031] The second threaded rod 10 is rotatably connected between the end of the upper chord 4 and the tightening cover 11, and the tightening cover 11 is threadedly connected with the screw rod 12, which can rotate inside the tightening cover 11.

[0032] The screw rod 12 is rotatably connected between the end of the vertical rod 3 and the tightening shell 13, and the tightening shell 13 is sized to match the fixed column 14, and can coincide with the fixed column 14 when the tightening shell 13 moves downward.

[0033] In this embodiment, the rotation of the screw rod 12 drives the tightening shell 13 to shrink the fixed column 14, which can accurately align and tightly fit the gap between the floor support plates. The horizontal rod 2 is used to connect the galvanized steel plate 1 and the lower chord 5, the vertical rod 3 is used to connect the galvanized steel plate 1 and the upper chord 4, and the web steel bar 6 is used to increase the contact area with the galvanized steel plate 1. When in use, there are multiple sets of devices arranged in sequence, and at this time, the contact block 8 cooperates with the adjacent clamping groove 7, and the first threaded rod 9 is rotated to make the two galvanized steel plates 1 contact each other. At the same time of contact, the second threaded rod 10 is rotated, which can adjust the height of the tightening cover 11. When the tightening cover 11 is adjusted to the appropriate height, the tightening shell 13 inside the tightening cover 11 will contact the fixed column 14. At this time, the screw rod 12 is rotated, and the screw rod 12 and the tightening shell 13 are rotatably connected, so that the rotation of the screw rod 12 drives the tightening shell 13 to move the fixed column 14 in the horizontal direction. The rotation of the screw rod 12 drives the tightening shell 13 to shrink the fixed column 14, which can accurately align and tightly fit the gap between the floor support plates, effectively avoiding the quality problems such as leakage and looseness caused by the too large gap.

[0034] Embodiment two

[0035] As shown in Figures 1-4 based on the basis of embodiment one, the outer side of the galvanized steel plate 1 is slidably connected with the plurality of slide rods 15, the plurality of slide rods 15 are evenly distributed along the circumference of the galvanized steel plate 1, the end of the slide rod 15 away from the upper chord 4 is fixedly connected with the fixed plate 16, and the fixed plate 16 is used to increase the contact area with the galvanized steel plate 1.

[0036] The outer side of the slide rod 15 is fixedly connected with the first extrusion plate 17, the side of the first extrusion plate 17 close to the galvanized steel plate 1 is in contact with the lower chord 5, the outer side of the slide rod 15 is fixedly connected with the second extrusion plate 18, and the side of the second extrusion plate 18 close to the galvanized steel plate 1 is in contact with the web steel bar 6. The first extrusion plate 17 and the second extrusion plate 18 enhance the connection strength with the floor support plate.

[0037] In the embodiment, the first extrusion plate 17 and the second extrusion plate 18 extrude the lower chord 5 and the web steel bar 6, the connection strength between the floor deck and the first extrusion plate 17 and the second extrusion plate 18 is enhanced, the integrity and stability of the floor deck structure are ensured, the specific implementation is that the slide rod 15 is used for connecting the first extrusion plate 17 and the second extrusion plate 18, the fixed plate 16 is used for connecting the slide rod 15 and increasing the contact area with the galvanized steel plate 1, the first extrusion plate 17 and the second extrusion plate 18 are respectively in contact with the lower chord 5 and the web steel bar 6, when the galvanized steel plate 1 is extruded by gravity, the galvanized steel plate 1 is in contact with the fixed plate 16, the galvanized steel plate 1 extrudes the fixed plate 16, the extrusion of the fixed plate 16 drags the slide rod 15 to move downward, the downward movement of the slide rod 15 extrudes the first extrusion plate 17 and the second extrusion plate 18, so that the peeling of the galvanized steel plate 1 on the horizontal rod 2 can be prevented.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A reinforcing truss floor deck mounting device comprising a galvanized steel sheet (1), characterized in that, The upper part of the galvanized steel plate (1) is movably connected with an upper chord (4), the outer side of the upper chord (4) is fixedly connected with a plurality of web steel bars (6), the outer side of the galvanized steel plate (1) is movably connected with a first threaded rod (9), the galvanized steel plate (1) is provided with a floor slab buckle seam assembly, the floor slab buckle seam assembly comprises a tightening shroud (11) and a fixed column (14) movably connected on the galvanized steel plate (1), and a lead screw (12) and a tightening shell (13) movably connected on the galvanized steel plate (1), when a plurality of steel bar truss floor slabs are arranged together, the tightening shell (13) is buckled on the adjacent fixed column (14), the rotation of the lead screw (12) drives the tightening shell (13) to move in the horizontal direction, the galvanized steel plate (1) is provided with a floor slab peeling prevention assembly, the floor slab peeling prevention assembly comprises a lower chord (5) and a sliding rod (15) movably connected on the galvanized steel plate (1), and a first extrusion plate (17) and a second extrusion plate (18) movably connected on the galvanized steel plate (1), when the galvanized steel plate (1) is extruded by gravity, the first extrusion plate (17) and the second extrusion plate (18) are dragged through the sliding rod (15).

2. A steel trussed floor deck mounting device as claimed in claim 1, wherein, The side of the galvanized steel plate (1) close to the upper chord (4) is symmetrically fixedly connected with a cross bar (2), the side of the galvanized steel plate (1) close to the upper chord (4) is symmetrically fixedly connected with a vertical bar (3), and the cross bar (2) and the vertical bar (3) are fixedly connected.

3. A steel trussed floor deck mounting device as claimed in claim 2, wherein, The outer side of the cross bar (2) and the lower chord (5) are fixedly connected, the side of the galvanized steel plate (1) close to the upper chord (4) is provided with a clamping groove (7), the side of the galvanized steel plate (1) close to the upper chord (4) is fixedly connected with a contact block (8), and the contact block (8) and the first threaded rod (9) are threadedly connected.

4. The steel trussed floor deck mounting device of claim 1, wherein, The galvanized steel plate (1) and a plurality of second threaded rods (10) are threadedly connected, the galvanized steel plate (1) is fixedly connected with a plurality of fixed columns (14) close to the upper chord (4), a plurality of the second threaded rods (10) are uniformly distributed along the galvanized steel plate (1) in a circle, and a plurality of the fixed columns (14) are uniformly distributed along the galvanized steel plate (1) in a circle.

5. A steel trussed floor deck mounting device as claimed in claim 4 wherein, One end of the second threaded rod (10) close to the upper chord (4) is rotatably connected with the tightening shroud (11), and the tightening shroud (11) is threadedly connected with the lead screw (12).

6. The steel trussed floor deck mounting device of claim 1, wherein, One end of the lead screw (12) away from the vertical bar (3) is rotatably connected with the tightening shell (13), and the size of the tightening shell (13) is matched with the size of the fixed column (14).

7. The steel trussed floor deck mounting device of claim 1, wherein, The outer side of the galvanized steel plate (1) and a plurality of sliding rods (15) are slidably connected, a plurality of the sliding rods (15) are uniformly distributed along the galvanized steel plate (1) in a circle, and one end of the sliding rod (15) away from the upper chord (4) is fixedly connected with a fixed plate (16).

8. The steel trussed floor deck mounting device of claim 1, wherein, The slide rod (15) is fixedly connected between the outer side and the first extrusion plate (17), the first extrusion plate (17) is in contact between the side close to the galvanized steel sheet (1) and the lower chord (5), the outer side of the slide rod (15) is fixedly connected between the outer side and the second extrusion plate (18), and the second extrusion plate (18) is in contact between the side close to the galvanized steel sheet (1) and the web steel bar (6).

Citation Information

Patent Citations

  • Steel bar truss floor support plate

    CN216475804U