An apparatus for quick connecting C-shaped steel

Abstract

This utility model discloses a device for quickly connecting C-shaped steel beams, including purlins and corresponding inclined beams. A pressure block is provided inside the purlin, and the pressure block is connected to a first slot. The first slot is connected to a second slot, and the pressure block and the first slot match the purlin. A spring is provided in the second slot, and a mounting hole is provided on the second slot. The mounting hole matches a bolt, and the bolt passes through the mounting hole of the second slot and compresses the spring to press the inclined beam tightly. The inclined beam is fixedly connected to a self-tapping screw. This utility model has the advantages of simple structure, convenient installation, and time and labor saving.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic bracket technology, and in particular to a device for quickly connecting C-shaped steel. Background Technology

[0002] In the conventional design of photovoltaic brackets, C-shaped steel is a key component that is widely used. It is named for its cross-section which is shaped like the English letter "C". It has advantages such as light weight, high strength, relatively low cost and easy processing.

[0003] C-shaped steel plays two main roles in photovoltaic (PV) mounting systems: first, as purlins, they are installed horizontally on the main supporting structure (such as inclined beams and main beams) to directly support and fix the PV panels; second, as inclined beams, they form the main load-bearing frame of the system, installed at an angle to match the optimal light-receiving angle of the PV panels. The stability, installation efficiency, and final cost of the entire mounting system largely depend on the reliability and ease of construction of the connections between these C-shaped steel components, especially between the purlins and inclined beams.

[0004] For a long time, a component called an "angle steel purlin support" has been commonly used to solve the problem of connecting C-shaped steel purlins to inclined beams. An angle steel purlin support is a section of L-shaped angle steel, pre-fixed to a designated position on the inclined beam by welding or bolting, forming a "pallet" to support the purlin. Existing methods have the following significant drawbacks: cumbersome operation and lengthy work time; high labor costs and high worker requirements; lack of pre-positioning and adjustment capabilities, poor fault tolerance; and scattered parts, making management inconvenient. Therefore, there is a need for a device for quickly connecting C-shaped steel purlins. Utility Model Content

[0005] To overcome the shortcomings of the prior art, a device for quickly connecting C-shaped steel is provided.

[0006] This utility model is achieved through the following solution:

[0007] A device for quickly connecting C-shaped steel beams includes purlins and corresponding inclined beams. A pressure block is provided inside the purlin, and the pressure block is connected to a first slot. The first slot is connected to a second slot, and the pressure block and the first slot match the purlin. A spring is provided inside the second slot, and a mounting hole is provided on the second slot. The mounting hole matches a bolt. The bolt passes through the mounting hole of the second slot and compresses the spring to press the inclined beam tightly. The inclined beam is fixedly connected to a self-tapping screw.

[0008] The pressure block has a hollow trapezoidal structure and includes vertical frame bars, arc-shaped frame bars, and diagonal frame bars. The vertical frame bars, arc-shaped frame bars, and diagonal frame bars are connected in sequence. The vertical frame bars match the purlins, and the arc-shaped frame bars and the first slot can slide along the side of the purlins.

[0009] The length of the vertical support bar is less than the height of the purlin.

[0010] Spring washers are provided between the bolt and the inclined beam.

[0011] The self-tapping screw has a U-shaped structure and matches the side of the inclined beam.

[0012] The length of the self-tapping screw is less than the length of the side of the inclined beam.

[0013] The beneficial effects of this utility model are as follows:

[0014] This utility model discloses a device for quickly connecting C-shaped steel. Through the cooperation of springs, pressure components and self-tapping screws, it achieves self-positioning and self-locking functions. Workers only need a wrench to complete the operation, without the need for additional tools or auxiliary personnel, which can effectively reduce working hours and manpower input, thereby reducing the total construction cost. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of a device for quickly connecting C-shaped steel according to the present invention;

[0016] Figure 2 This is a schematic diagram of one perspective of the device for quickly connecting C-shaped steel according to this utility model;

[0017] Figure 3 This is another structural schematic diagram of a device for quickly connecting C-shaped steel according to this utility model;

[0018] Figure 4 This is a schematic diagram of a partial structure of a device for quickly connecting C-shaped steel according to the present invention;

[0019] In the diagram: 1 is a purlin, 2 is a diagonal beam, 3 is a pressure block, 31 is a vertical frame bar, 32 is an arc-shaped frame bar, 33 is a diagonal frame bar, 4 is the first slot, 5 is the second slot, 6 is a spring, 7 is a mounting hole, 8 is a bolt, 9 is a self-tapping screw, and 10 is a spring washer. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0021] like Figure 1 and Figure 2As shown, a device for quickly connecting C-shaped steel includes a purlin 1 and a corresponding inclined beam 2. A pressure block 3 is provided inside the purlin 1. The pressure block 3 is connected to a first slot 4. The first slot 4 is connected to a second slot 5. The pressure block 3 and the first slot 4 are matched with the purlin 1. A spring 6 is provided in the second slot 5. A mounting hole 7 is provided on the second slot 5. The mounting hole 7 is matched with a bolt 8. The bolt 8 passes through the mounting hole 7 of the second slot 5 and compresses the spring 6 to press the inclined beam 2. The inclined beam 2 is fixedly connected to a self-tapping screw 9. First, install this utility model on the two holes of the C-shaped steel inclined beam. When the spring 6 is not locked, it pushes up the pressure block 3, so that a gap is formed between the inclined beam 2 and the pressure block 3, which facilitates the quick insertion of the C-shaped steel purlin 1. When the locking bolt 8 is tightened, the self-tapping screw 9 is stuck on the top of the C-shaped steel inclined beam 2, and the pressure block 3 automatically presses down until it presses the flange of the purlin 1. This simplifies the operation steps, reduces the installation time of a single connection point, and improves work efficiency.

[0022] This invention can be pre-assembled onto the two holes of the C-shaped steel inclined beam, reducing the risk of parts loss on site. The pressure block 3, inclined beam 2, and spring 6 are integrated into one unit and used as a standard part, reducing the complexity of on-site assembly.

[0023] like Figure 4 As shown, the pressure block 3 has a hollow trapezoidal structure and includes a vertical frame 31, an arc-shaped frame 32, and a diagonal frame 33. These three frames are sequentially connected. The vertical frame 31 matches the purlin 1, and the arc-shaped frame 32 and the first slot 4 can slide along the side of the purlin 1. The length of the vertical frame 31 is less than the height of the purlin 1. This invention maintains a gap between the pressure block 3 and the diagonal beam 2 when the pressure block 3 and spring 6 are not locked, facilitating the insertion of the C-shaped steel purlin 1 and avoiding the difficulty of manual alignment. The elasticity of the spring 6 keeps the pressure block 3 in a floating state, allowing for slight adjustments to the purlin 1 to compensate for installation errors. When locked, the spring 6 is compressed, ensuring a uniform distribution of clamping force. This reduces rework caused by misalignment and improves installation quality.

[0024] like Figure 2 and Figure 3 As shown, a spring washer 10 is provided between the bolt 8 and the inclined beam 2 to buffer the force on the spring 6 and improve its service life.

[0025] The self-tapping screw 9 has a U-shaped structure and matches the side of the inclined beam 2. The length of the self-tapping screw 9 is less than the length of the side of the inclined beam 2. In this invention, the width of the self-tapping screw 9 is adapted to the C-shaped steel inclined beam 2, so no additional fixing of the self-tapping screw 9 is required when locking; the spring force supports the pressure block 3, keeping it stable during the locking process, avoiding the inconvenience of traditional double wrench operation, reducing tool carrying and switching time, and lowering the complexity of operation.

[0026] Although the technical solutions of this utility model have been described and enumerated in detail, it should be understood that modifications to the above embodiments or the adoption of equivalent alternatives are obvious to those skilled in the art. Such modifications or improvements made without departing from the spirit of this utility model are all within the scope of protection claimed by this utility model.

Claims

1. A device for quickly connecting C-shaped steel beams, comprising purlins (1) and corresponding inclined beams (2), characterized in that: Inside the purlin (1), a pressure block (3) is provided. The pressure block (3) is connected to the first slot (4). The first slot (4) is connected to the second slot (5). The pressure block (3) and the first slot (4) are matched with the purlin (1). A spring (6) is provided inside the second slot (5). An installation hole (7) is provided on the second slot (5). The installation hole (7) is matched with a bolt (8). The bolt (8) passes through the installation hole (7) of the second slot (5) and compresses the spring (6) to press the inclined beam (2). The inclined beam (2) is fixedly connected to the self-tapping screw (9).

2. The device for quickly connecting C-shaped steel according to claim 1, characterized in that: The pressure block (3) is a hollow trapezoidal structure. The pressure block (3) includes a vertical frame (31), an arc frame (32), and a diagonal frame (33). The vertical frame (31), the arc frame (32), and the diagonal frame (33) are connected in sequence. The vertical frame (31) matches the purlin (1). The arc frame (32) and the first slot (4) can slide along the side of the purlin (1).

3. The device for quickly connecting C-shaped steel according to claim 2, characterized in that: The length of the vertical support bar (31) is less than the height of the purlin (1).

4. The device for quickly connecting C-shaped steel according to claim 1, characterized in that: A spring washer (10) is provided between the bolt (8) and the inclined beam (2).

5. The device for quickly connecting C-shaped steel according to claim 1, characterized in that: The self-tapping screw (9) has a U-shaped structure and matches the side of the inclined beam (2).

6. The device for quickly connecting C-shaped steel according to claim 5, characterized in that: The length of the self-tapping screw (9) is less than the length of the side of the inclined beam (2).

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