Steel truss floor support plate connecting structure
Through mechanical connection, the steel truss is connected to the floor deck using the threaded connection of the connecting components, which solves the quality and safety problems caused by welding and achieves an efficient and stable connection effect.
Patent Information
- Application Number
- CN202422794633.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-16
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-16
AI Technical Summary
The welding method in traditional steel truss floor deck connection structure has quality problems, deformation, low efficiency, high cost and safety hazards, which affect the structural safety performance.
A mechanical connection method is adopted to connect the steel truss to the floor deck through a connecting member. The connecting member includes a connecting block, a first fixing part and a second fixing part. The connecting member is threadedly connected with bolts and distributed in a rectangular array to ensure stability.
It avoids welding quality problems, improves connection efficiency, reduces labor costs, solves safety hazards, and achieves fast installation and stable connection.
Smart Images

Figure CN223343528U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of construction, in particular to a steel truss floor deck connection structure. Background Art
[0002] In the traditional steel truss floor deck connection structure, welding is usually used to connect the steel truss and the floor deck.
[0003] While this method can meet the requirements to a certain extent, it has many shortcomings. For example, quality problems such as weld cracking and deformation are prone to occur during the welding process, which can reduce the safety performance of the structure. In addition, welding efficiency is low, labor costs are high, and there are safety hazards during the welding process, posing a threat to the health and safety of workers. Utility Model Content
[0004] The purpose of the present invention is to provide a steel truss floor deck connection structure to solve the problems raised in the above background technology.
[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0006] A steel truss floor deck connection structure, comprising: a floor deck, at least six connecting members disposed between the floor deck and the steel truss; the steel truss disposed above the floor deck, one end of a plurality of the connecting members being fixedly connected to the steel truss and the other end being fixedly connected to the floor deck;
[0007] The connecting member includes a connecting block, which is fixed to the upper side of the floor decking plate. A first fixing portion is fixed to one side of the connecting block, and the bottom of the first fixing portion is in a fit relationship with the upper side wall of the floor decking plate. A second fixing portion is fixed to the other side of the connecting block, and one side of the second fixing portion is in a fit relationship with the outer side wall of the steel truss.
[0008] Preferably, several of the connecting members are spliced together and arranged in a rectangular array.
[0009] The connecting components are assembled in a spliced arrangement and distributed in a rectangular array between the floor deck and the steel trusses. This arrangement ensures uniform connection and overall structural stability. During connection, the connecting block, first fixing portion, and second fixing portion are initially secured to the floor deck and steel trusses, respectively, using pre-set screw holes. Bolts are then threaded through the internal threads (1) of the connecting block and the internal threads (2) of the first and second fixing portions, securing the connecting components to the floor deck and steel trusses.
[0010] Preferably, the connecting block includes a base, the base is fixed on the upper side of the floor deck, a fixing block is fixed on the upper side of the base, an inner wall of the fixing block is provided with an internal thread 1, and the inner thread of the internal thread 1 is connected with a bolt.
[0011] The connecting block is the core of the connection structure. Its base is securely screwed to the upper side of the floor deck. A fixing block is located above the connecting block. The inner wall of the fixing block is internally threaded to receive bolts for threaded connection. Pre-set screw holes are provided in the connecting block for securing the connecting block to the floor deck, enhancing the stability of the connection.
[0012] Preferably, the first fixing part includes a first fixing part body, the first fixing part body is attached to the upper side of the floor decking plate, and an internal thread 2 is provided on the inner side of the first fixing part body.
[0013] The first fixing portion is attached to the upper side of the floor deck and is threadedly connected to the bolt through the internal thread second provided on its inner side, thereby fixing the first fixing portion to the floor deck. Similar to the connecting block, the first fixing portion also has screw holes reserved for further fixing with screws.
[0014] Preferably, a second fixing portion is attached to one side of the steel truss, and an internal thread 2 is also provided on the inner side of the second fixing portion.
[0015] The second fixing part is similar in design to the first fixing part, but it fits against the outer wall of the steel truss and is threaded with a bolt via the second internal thread, thereby securing the second fixing part to the steel truss. Similarly, screw holes are also reserved on the second fixing part for additional screws to secure it to the steel truss.
[0016] Preferably, the first fixing portion and the second fixing portion are both threadedly fixed to the bolt via internal threads 2 provided therein.
[0017] Preferably, the material of several of the connecting components is Q345B, Q390B or Q420B.
[0018] Preferably, screw holes are reserved on the connecting block, the first fixing part and the second fixing part, and the connecting block, the first fixing part and the second fixing part are fixed to the floor deck and the steel truss respectively by cooperating with screws through the reserved screw holes.
[0019] The connecting components are assembled in a spliced arrangement and distributed in a rectangular array between the floor deck and the steel trusses. This arrangement ensures uniform connection and overall structural stability. During connection, the connecting block, first fixing portion, and second fixing portion are initially secured to the floor deck and steel trusses, respectively, using pre-set screw holes. Bolts are then threaded through the internal threads (1) of the connecting block and the internal threads (2) of the first and second fixing portions, securing the connecting components to the floor deck and steel trusses.
[0020] Compared with the prior art, the present invention provides a steel truss floor deck connection structure with the following beneficial effects:
[0021] The steel truss floor deck connection structure provided by the utility model changes the connection between the steel truss and the floor deck from the traditional welding method to the mechanical connection method, thereby avoiding quality problems caused by welding, such as weld cracking and deformation, etc., improving work efficiency, reducing labor costs, and also solving the safety hazards during welding operations, achieving the purpose of rapid installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a three-dimensional structural diagram of a steel truss floor deck connection structure proposed by the utility model;
[0023] Figure 2 This is a schematic diagram of the connecting member structure of a steel truss floor deck connection structure proposed by the present invention;
[0024] Figure 3 This is a schematic diagram of the exploded structure of the connecting components of a steel truss floor deck connection structure proposed by the present invention;
[0025] Figure 4 This is a schematic diagram of the connection block structure of a steel truss floor deck connection structure proposed by the present invention;
[0026] Figure 5 This is a structural schematic diagram of the first fixing part and the second fixing part of a steel truss floor deck connection structure proposed by the present invention.
[0027] In the figure: 1. Floor deck; 2. Steel truss; 3. Connecting member; 31. Connecting block; 311. Base; 312. Fixing block; 313. Internal thread 1; 314. Bolt; 32. First fixing part; 321. First fixing part body; 322. Internal thread 2; 33. Second fixing part. DETAILED DESCRIPTION
[0028] 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 the embodiments.
[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. Example
[0030] refer to Figure 1-Figure 5 A steel truss floor deck connection structure includes: a floor deck 1, at least six connecting members 3 are provided between the floor deck 1 and the steel truss 2; the steel truss 2 is provided above the floor deck 1, and one end of several connecting members 3 is fixedly connected to the steel truss 2, and the other end is fixedly connected to the floor deck 1;
[0031] The connecting member 3 includes a connecting block 31, which is fixed to the upper side of the floor decking 1. A first fixing portion 32 is fixed to one side of the connecting block 31, and the bottom of the first fixing portion 32 is in contact with the upper side wall of the floor decking 1. A second fixing portion 33 is fixed to the other side of the connecting block 31, and one side of the second fixing portion 33 is in contact with the outer side wall of the steel truss 2.
[0032] Several connecting members 3 are spliced together and arranged in a rectangular array.
[0033] The connecting members 3 are assembled in a spliced arrangement and arranged in a rectangular array between the floor deck 1 and the steel trusses 2. This arrangement ensures uniform connection and overall structural stability. To establish the connection, the connecting block 31, first fixing portion 32, and second fixing portion 33 are initially secured to the floor deck 1 and steel trusses 2, respectively, through pre-set screw holes. Bolts 314 are then threaded through the internal threads 313 of the connecting block 31 and the internal threads 322 of the first and second fixing portions 32 and 33, securing the connecting members 3 to the floor deck 1 and steel trusses 2.
[0034] The connecting block 31 includes a base 311, the upper side of the floor deck 1 is fixed with the base 311, the upper side of the base 311 is fixed with a fixing block 312, the inner side wall of the fixing block 312 is provided with an internal thread 313, and the inner side of the internal thread 313 is threadedly connected with a bolt 314.
[0035] The connecting block 31 of the connecting member 3 is the core of the connection structure. Its bottom is securely connected to the upper side of the floor deck 1 via screws. A fixing block 312 is located on the upper side of the connecting block 31. The inner wall of the fixing block 312 has internal threads 313 for receiving bolts 314 for threaded connection. Pre-set screw holes are provided in the connecting block 31 for securing the connecting block 31 to the floor deck 1, enhancing the stability of the connection.
[0036] The first fixing portion 32 includes a first fixing portion body 321 . The first fixing portion body 321 is attached to the upper side of the floor deck 1 . An internal thread 322 is formed on the inner side of the first fixing portion body 321 .
[0037] The first fixing portion 32 is attached to the upper side of the floor deck 1 and is threadedly connected to the bolt 314 through the internal thread 322 provided on its inner side, thereby fixing the first fixing portion 32 to the floor deck 1. Similar to the connecting block 31, the first fixing portion 32 also has screw holes reserved for further fixing with screws.
[0038] A second fixing portion 33 is attached to one side of the steel truss 2 , and a second internal thread 322 is also formed on the inner side of the second fixing portion 33 .
[0039] The second fixing portion 33 is similar in design to the first fixing portion 32, but it fits against the outer wall of the steel truss 2 and is threadedly connected to the bolt 314 via the second internal thread 322, thereby securing the second fixing portion 33 to the steel truss 2. Similarly, screw holes are also reserved on the second fixing portion 33 for additional fastening to the steel truss 2 using screws.
[0040] Bolts 314 are threadedly fixed.
[0041] The material of the plurality of connecting components 3 is Q345B, Q390B or Q420B.
[0042] Screw holes are reserved on the connecting block 31, the first fixing part 32 and the second fixing part 33, and the connecting block 31, the first fixing part 32 and the second fixing part 33 are fixed to the floor deck 1 and the steel truss 2 respectively through the reserved screw holes and screws.
[0043] The connecting members 3 are assembled in a spliced arrangement and arranged in a rectangular array between the floor deck 1 and the steel trusses 2. This arrangement ensures uniform connection and overall structural stability. To establish the connection, the connecting block 31, first fixing portion 32, and second fixing portion 33 are initially secured to the floor deck 1 and steel trusses 2, respectively, through pre-set screw holes. Bolts 314 are then threaded through the internal threads 313 of the connecting block 31 and the internal threads 322 of the first and second fixing portions 32 and 33, securing the connecting members 3 to the floor deck 1 and steel trusses 2.
[0044] Working principle: Please refer to Figure 1-Figure 5 As shown, this embodiment provides a steel truss floor deck connection structure, which mainly includes a floor deck 1, a steel truss 2, and a connecting member 3 connecting the two. The number of connecting members 3 is at least six to ensure the stability and load-bearing capacity of the connection.
[0045] The connecting block 31 of the connecting member 3 is the core of the connection structure. Its bottom is securely connected to the upper side of the floor deck 1 via screws. A fixing block 312 is located on the upper side of the connecting block 31. The inner wall of the fixing block 312 has internal threads 313 for receiving bolts 314 for threaded connection. Pre-set screw holes are provided in the connecting block 31 for securing the connecting block 31 to the floor deck 1, enhancing the stability of the connection.
[0046] The first fixing portion 32 is attached to the upper side of the floor deck 1 and is threadedly connected to the bolt 314 through the internal thread 322 provided on its inner side, thereby fixing the first fixing portion 32 to the floor deck 1. Similar to the connecting block 31, the first fixing portion 32 also has screw holes reserved for further fixing with screws.
[0047] The second fixing portion 33 is similar in design to the first fixing portion 32, but it fits against the outer wall of the steel truss 2 and is threadedly connected to the bolt 314 via the second internal thread 322, thereby securing the second fixing portion 33 to the steel truss 2. Similarly, screw holes are also reserved on the second fixing portion 33 for additional fastening to the steel truss 2 using screws.
[0048] The connecting members 3 are assembled in a spliced manner and are distributed in a rectangular array between the floor deck 1 and the steel truss 2. This arrangement ensures the uniformity of the connection and the stability of the overall structure. When making the connection, the connecting block 31, the first fixing portion 32, and the second fixing portion 33 are first preliminarily fixed to the floor deck 1 and the steel truss 2 respectively through the reserved screw holes. Then, a bolt 314 is used to pass through the internal thread 1 313 of the connecting block 31 and the internal thread 2 322 of the first fixing portion 32 and the second fixing portion 33 for threaded connection, thereby achieving a firm connection between the connecting member 3 and the floor deck 1 and the steel truss 2. The material of the connecting member 3 is high-strength steel, such as Q345B, Q390B or Q420B. These materials have good mechanical properties and welding properties, and can meet the strength and stability requirements of the connection structure.
[0049] The steel truss floor deck connection structure of this embodiment securely connects the steel truss 2 to the floor deck 1 via connecting members 3. The design of connecting members 3 simplifies and expedites the connection process, and the use of pre-reserved screw holes and screws further enhances the stability and load-bearing capacity of the connection. Furthermore, the use of high-strength steel as the material for connecting members 3 ensures the strength and durability of the entire connection structure.
Claims
1. A steel truss floor deck connection structure, comprising: A floor deck (1), characterized in that at least six connecting members (3) are provided between the floor deck (1) and the steel truss (2); the steel truss (2) is provided above the floor deck (1), one end of a plurality of the connecting members (3) is fixedly connected to the steel truss (2), and the other end is fixedly connected to the floor deck (1); the connecting member (3) comprises a connecting block (31), the upper side of the floor deck (1) is fixed with the connecting block (31), one side of the connecting block (31) is fixed with a first fixing portion (32), and the first fixing portion (32) is fixed with a first fixing portion (32). The bottom is in a fitting relationship with the upper side wall of the floor deck (1); a second fixing portion (33) is fixed to the other side of the connecting block (31); one side of the second fixing portion (33) is in a fitting relationship with the outer side wall of the steel truss (2); the connecting block (31) includes a base (311); the upper side of the floor deck (1) is fixed with the base (311); the upper side of the base (311) is fixed with a fixing block (312); the inner side wall of the fixing block (312) is provided with an internal thread 1 (313); the inner side of the internal thread 1 (313) is threadedly connected to a bolt (314).
2. The steel truss floor deck connection structure according to claim 1, characterized in that: A plurality of the connecting components (3) are spliced together and arranged in a rectangular array.
3. The steel truss floor deck connection structure according to claim 1, characterized in that: The first fixing portion (32) comprises a first fixing portion body (321), the first fixing portion body (321) is attached to the upper side of the floor decking plate (1), and a second internal thread (322) is provided on the inner side of the first fixing portion body (321).
4. The steel truss floor deck connection structure according to claim 1, characterized in that: A second fixing portion (33) is attached to one side of the steel truss (2), and a second internal thread (322) is also provided on the inner side of the second fixing portion (33).
5. The steel truss floor deck connection structure according to claim 1, characterized in that: The first fixing portion (32) and the second fixing portion (33) are both threadedly fixed to the bolt (314) via a second internal thread (322) provided therein.
6. The steel truss floor deck connection structure according to claim 1, characterized in that: The material of the plurality of connecting components (3) is Q345B, Q390B or Q420B.
7. The steel truss floor deck connection structure according to claim 1, characterized in that: Screw holes are reserved on the connection block (31), the first fixing portion (32), and the second fixing portion (33), and the connection block (31), the first fixing portion (32), and the second fixing portion (33) are fixed to the floor deck (1) and the steel truss (2) respectively through the reserved screw holes and the screws.