A safety rope fixing device for H-shaped steel components

Abstract

This utility model relates to the technical field of H-beam steel components and discloses a safety rope fixing device for H-beam steel components. It includes a support base, a main upright fixedly connected to the upper surface of the left middle part of the support base, and an opening on the outer surface of the bottom end of the main upright. A tightening bolt is provided above the support base, and a ball bearing is fixedly connected to the inner wall of the opening. A hexagonal long tightening nut is threaded onto the outer surface of the tightening bolt. The device is fixedly connected to the tightening bolt and the tightening nut, as well as to the second flange plate slot and the tightening nut. When the tightening handle is rotated, causing the tightening bolt to rotate, the tightening nut and the second flange plate slot can move smoothly in a straight line along the bolt axis, achieving precise clamping of flange plates of different widths. This effectively adapts to various specifications of H-beams and avoids the problems of traditional fixing methods, which are difficult to adapt to different cross-sectional specifications of H-beams, requiring frequent replacement of the fixing device, resulting in material waste and low construction efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of H-beam steel components, and more specifically, to a safety rope fixing device for H-beam steel components. Background Technology

[0002] H-beams are a type of high-efficiency and economical cross-section profile with an "H" shape. They consist of a web and two flanges. Due to their strong bending resistance, simple construction, and high structural stability, they are widely used in the main structure construction of steel structure buildings, bridges, factories, and other projects. During the installation of H-beams and subsequent high-altitude operations, safety ropes are a key protective facility to ensure the safety of construction workers. The safety rope fixing device is the core component that stably connects the safety rope to the H-beam. Its installation reliability and ease of use are directly related to the operational safety of workers and the efficiency of construction.

[0003] However, existing safety rope fixing devices for H-shaped steel components are not conducive to rapid installation. Installation requires the use of tools, and the tightness depends heavily on the installer's concentration. The device structure is too cumbersome, hindering its lightweight design. Furthermore, it lacks self-locking capabilities, and bolts and tools are prone to loosening during use. This affects construction efficiency and poses serious safety hazards, failing to meet the requirements for efficient, safe, and reliable safety rope fixing devices in steel structure installation operations. Utility Model Content

[0004] (a) Technical problems to be solved In view of the above situation and to overcome the defects of the prior art, this utility model provides a safety rope fixing device for H-shaped steel components, which aims to solve the problems in the background art.

[0005] (II) Technical Solution To achieve the above objectives, this application provides the following technical solution: a safety rope fixing device for H-shaped steel components, comprising a support base, a main upright fixedly connected to the upper surface of the left middle part of the support base, an opening formed on the outer surface of the bottom end of the main upright, a tightening bolt disposed above the support base, a ball bearing fixedly connected to the inner wall of the opening, a hexagonal long tightening nut threadedly connected to the outer thread of the tightening bolt, a retaining ring engaged on the outer surface of the hexagonal long tightening nut, and a first flange plate retaining groove and a second flange plate retaining groove fixedly connected to the left side of the bottom surface of the support base and the right side of the bottom surface of the hexagonal long tightening nut, respectively. An I-beam is engaged with the interior of the component and the interior of the second flange plate slot. A limit gear is fixedly connected to the outer surface of the left end of the tightening bolt. A reset shell is fixedly connected to the outer surface of the left side of the main upright above the limit gear. A reset spring is fixedly connected to the inner top wall of the reset shell. A positioning plate is slidably connected inside the reset shell. An auxiliary pull plate is fixedly connected to the left side of the positioning plate. Two symmetrical adjustment slots are opened on the bottom surface of the auxiliary pull plate. A sliding bearing is fixedly connected to the inner wall of each adjustment slot. A rotating column is fixedly connected to the inner ring of each sliding bearing. A limit plate is fixedly connected to the bottom end of each rotating column.

[0006] The present invention is further configured such that the left end of the tightening bolt passes through the opening and extends to the left side of the main upright; the outer surface of the tightening bolt is fixedly connected to the inner ring of the ball bearing; the bottom surface of the hexagonal long tightening nut contacts the upper surface of the support base; the bottom surface of the retaining ring is fixedly connected to the upper surface of the middle right side of the support base; the limiting gear is located on the left side of the main upright; the upper surface of the positioning plate is fixedly connected to the bottom end of the return spring; the positioning plate engages with the teeth of the limiting gear; the outer surface of the right end of the auxiliary pull plate is slidably connected to the left moving opening of the reset shell; and each of the limiting plates is located below the reset shell.

[0007] The present invention is further configured such that a plurality of bolt pre-drilled holes are provided on the outer surface of the main upright, and two rope hanging rings are provided on the outer side of the main upright. Each rope hanging ring has one side near the main upright corresponding to one of the bolt pre-drilled holes. Bolt assemblies are provided on the outer side of the main upright at positions corresponding to the two rope hanging rings. Each rope hanging ring is fixed to the main upright by the bolt assemblies, and each bolt assembly passes through the bolt pre-drilled hole and extends into the interior of the rope hanging ring.

[0008] The present invention is further configured such that four stiffening ribs are fixedly connected to the bottom outer surface of the main upright, and the bottom surface of each stiffening rib is fixedly connected to the upper surface of the support base.

[0009] The present invention is further configured such that a tightening handle is provided on the left side of the tightening bolt, and the right end of the tightening handle is fixedly connected to the left end of the tightening bolt.

[0010] The present invention is further configured such that an anti-slip pad is fixedly connected to the upper surface of each of the limiting plates, and the upper surface of each of the anti-slip pads is in contact with the bottom surface of the reset shell.

[0011] (III) Beneficial Effects Compared with the prior art, the beneficial effects of this utility model are: 1. Through the threaded engagement of the tightening bolt and the tightening nut, and the fixed connection between the second flange plate slot of the moving end and the tightening nut, when the tightening handle is rotated to drive the tightening bolt to rotate, the tightening nut and the second flange plate slot of the moving end connected thereto can move smoothly in a straight line along the bolt axis. This can achieve precise clamping of flange plates of different widths, effectively adapting to various specifications of H-beams. It avoids the problem of frequent replacement of fixing devices due to the difficulty of adapting to different cross-sectional specifications of H-beams in traditional fixing methods, which leads to material waste and low construction efficiency. 2. The main support, main upright, and stiffening ribs work together to enhance the stability of the main upright. The main upright is vertically welded to the middle of the support base, and the stiffening ribs are triangularly welded between the two. This greatly enhances the stability of the main upright and prevents it from tilting or swaying when subjected to external forces. It ensures that the entire device stands firmly on the flange of the H-shaped steel component, providing a stable foundation for subsequent clamping and safety rope fixing. This prevents the safety rope fixing device from shifting or even tipping over due to unstable support, which could endanger the safety of construction personnel. Attached Figure Description

[0012] Figure 1 This is a three-dimensional overall structural diagram of the present invention; Figure 2 This is a front view structural diagram of the support base and main upright of this utility model; Figure 3 This is a top view of the support base of this utility model. Figure 4 This is a side view of the limiting gear of this utility model. Figure 5 This is a three-dimensional cross-sectional view of the resetting shell of this utility model; Figure 6 This is a three-dimensional sectional view of the hexagonal long tightening nut of this utility model.

[0013] In the diagram: 1. Support base; 2. Hexagonal long tightening nut; 3. Second flange plate slot; 4. Fixing ring; 5. Hanging rope ring; 6. Bolt pre-drilled hole; 7. Bolt assembly; 8. Main upright; 9. Reset shell; 10. Auxiliary pull plate; 11. Limit gear; 12. Tightening bolt; 13. Tightening crank; 14. First flange plate slot; 15. Stiffening rib; 16. I-beam component; 17. Positioning insert plate; 18. Limiting plate; 19. Ball bearing; 20. Reset spring; 21. Anti-slip pad; 22. Adjustment groove; 23. Sliding bearing; 24. Rotating column; 25. Through port. Detailed Implementation

[0014] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0015] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0016] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0017] Please see Figures 1-6The system includes a support base 1. A main upright 8 is fixedly connected to the upper surface of the middle left side of the support base 1. A through-hole 25 is opened on the outer surface of the bottom end of the main upright 8. A tightening bolt 12 is installed above the support base 1. A ball bearing 19 is fixedly connected to the inner wall of the through-hole 25. A hexagonal long tightening nut 2 is threaded onto the outer surface of the threaded surface of the tightening bolt 12. A retaining ring 4 is engaged on the outer surface of the hexagonal long tightening nut 2. A first flange plate retaining groove 14 and a second flange plate retaining groove 3 are fixedly connected to the left side of the bottom surface of the support base 1 and the right side of the bottom surface of the hexagonal long tightening nut 2, respectively. The interior of the first flange plate retaining groove 14 and the interior of the second flange plate retaining groove 3 are engaged together. The left outer surface of the I-beam component 16 and the tightening bolt 12 is fixedly connected to a limiting gear 11. The left outer surface of the main upright 8 is fixedly connected to a reset shell 9 above the limiting gear 11. The inner top wall of the reset shell 9 is fixedly connected to a reset spring 20. The interior of the reset shell 9 is slidably connected to a positioning plate 17. The left side of the positioning plate 17 is fixedly connected to an auxiliary pull plate 10. The bottom surface of the auxiliary pull plate 10 has two symmetrical adjustment grooves 22. The inner wall of each adjustment groove 22 is fixedly connected to a sliding bearing 23. The inner ring of each sliding bearing 23 is fixedly connected to a rotating column 24. The bottom end of each rotating column 24 is fixedly connected to a limiting plate 18.

[0018] Specifically, the ball bearing 19 at the bottom opening 25 of the main upright 8 is fixed to the outer surface of the tightening bolt 12, which reduces the frictional resistance when the tightening bolt 12 rotates. The tightening bolt 12 engages with the hexagonal long tightening nut 2, and the retaining ring 4, which is engaged with the outer surface of the hexagonal long tightening nut 2, restricts its rotation with the bolt. The first flange plate slot 14 on the left side of the bottom surface of the support base 1 and the second flange plate slot 3 on the right side of the bottom surface of the hexagonal long tightening nut 2 together engage the I-beam member 16 for initial positioning. The limiting gear 11 fixed at the left end of the tightening bolt 12 cooperates with the reset shell 9 on the left side of the main upright 8 to achieve self-locking. When a limit is required, pull down the auxiliary pull plate 10 to move the positioning insert plate 17 downward. The positioning insert plate 17 stretches the reset spring 20 on the top wall of the reset shell 9. When pulled to the bottom, the limit plate 18 rotates inward. The limit plate 18 rotates in the sliding bearing 23 on the inner wall of the adjustment groove 22 through the rotating column 24, and finally locks at the bottom of the reset shell 9 to limit the auxiliary pull plate 10. When resetting, directly rotate the limit plate 18 in the opposite direction. The reset spring 20 rebounds and drives the positioning insert plate 17 to reset. This realizes the device clamping foundation construction and self-locking limit and reset operation, solving the problem that the existing device has no self-locking structure and is easy to loosen after installation.

[0019] Please see Figures 1-6The left end of the tightening bolt 12 passes through the through-hole 25 and extends to the left side of the main upright 8. The outer surface of the tightening bolt 12 is fixedly connected to the inner ring of the ball bearing 19. The bottom surface of the hexagonal long tightening nut 2 is in contact with the upper surface of the support base 1. The bottom surface of the retaining ring 4 is fixedly connected to the upper surface of the middle right side of the support base 1. The limiting gear 11 is located on the left side of the main upright 8. The upper surface of the positioning plate 17 is fixedly connected to the bottom end of the reset spring 20. The positioning plate 17 is engaged with the gear teeth of the limiting gear 11. The outer surface of the right end of the auxiliary pull plate 10 is slidably connected to the left side of the reset shell 9. Each limiting plate 18 is located below the reset shell 9.

[0020] Specifically, the left end of the tightening bolt 12 extends through the through-hole 25 to the left side of the main upright 8. Its outer surface is fixed to the inner ring of the ball bearing 19, ensuring that the tightening bolt 12 rotates stably only along its own axis. The bottom surface of the hexagonal long tightening nut 2 contacts the upper surface of the support base 1, reducing the frictional resistance when it moves. The bottom surface of the retaining ring 4 is fixed to the upper surface of the middle right side of the support base 1, further restricting the rotation of the hexagonal long tightening nut 2, allowing it to only move axially. The limiting gear 11 is located on the left side of the main upright 8, which facilitates its cooperation with the positioning plate 17. The upper surface of the positioning plate 17 is fixed to the bottom end of the return spring 20. When unlocking is required, the auxiliary pull plate 10 is pulled down to drive the positioning plate 17 to disengage from the teeth of the limiting gear 11. After being pulled to the bottom, the limiting plate 18 is rotated and locked at the bottom of the return shell 9, thus maintaining the unlocked state of the positioning plate 17.

[0021] Please see Figures 1-6 The outer surface of the main pole 8 has multiple bolt holes 6. Two rope loops 5 are provided on the outer side of the main pole 8. The side of each rope loop 5 near the main pole 8 corresponds to one of the bolt holes 6. Bolt assemblies 7 are provided on the outer side of the main pole 8 at the positions corresponding to the two rope loops 5. Each rope loop 5 is fixed to the main pole 8 by the bolt assembly 7. Each bolt assembly 7 passes through the bolt hole 6 and extends into the interior of the rope loop 5.

[0022] Specifically, multiple bolt holes 6 on the outer surface of the main pole 8 provide multiple installation positions. The two rope loops 5 are located on the side of the main pole 8 that corresponds to the bolt holes 6. The bolt assembly 7 passes through the bolt holes 6 and extends into the rope loops 5, fixing the rope loops 5 to the main pole 8. Construction personnel can disassemble the bolt assembly 7 to adjust the installation hole position of the rope loops 5 according to the working height. This combination enables flexible adjustment of the rope height, solving the problem that the existing device has a fixed rope position and cannot adapt to construction personnel of different heights or working scenarios.

[0023] Please see Figures 1-6Four stiffening ribs 15 are fixedly connected to the bottom outer surface of the main upright 8. The bottom surface of each stiffening rib 15 is fixedly connected to the upper surface of the support base 1. A tightening handle 13 is provided on the left side of the tightening bolt 12. The right end of the tightening handle 13 is fixedly connected to the left end of the tightening bolt 12.

[0024] Specifically, four stiffening ribs 15 are fixedly connected to the outer surface of the bottom end of the main upright 8, and their bottom surfaces are fixed to the upper surface of the support base 1 to form a triangular support structure. This enhances the connection strength between the main upright 8 and the support base 1, preventing the main upright 8 from tilting or breaking due to the tension of the safety rope. The tightening handle 13 on the left side of the tightening bolt 12 is fixed to the left end of the tightening bolt 12. Construction personnel can directly rotate the tightening handle 13 manually to drive the tightening bolt 12 to rotate without the need for additional installation tools. This effectively improves the structural stability and installation efficiency of the device, and solves the problems of cumbersome structure, tool dependence, and poor stability of existing devices.

[0025] Please see Figures 1-6 Each limiting plate 18 has an anti-slip pad 21 fixedly connected to its upper surface, and the upper surface of each anti-slip pad 21 is in contact with the bottom surface of the reset shell 9.

[0026] Specifically, each limiting plate 18 has an anti-slip pad 21 fixedly connected to its upper surface, with its top surface in contact with the bottom surface of the reset shell 9, increasing the friction between the limiting plate 18 and the reset shell 9. When the limiting plate 18 is stuck at the bottom of the reset shell 9 to limit the auxiliary pull plate 10, it can prevent the limiting plate 18 from rotating or shifting on its own due to vibration or external force, ensuring that the auxiliary pull plate 10 stably maintains the unlocked state of the positioning insert 17. This combination improves the limiting reliability of the limiting plate 18 and solves the problem that the auxiliary pull plate 10 is easy to shift during the unlocking process, causing the positioning insert 17 to be accidentally reset.

[0027] Working principle: In use, first place the support base 1 on the flange plate of the I-beam component 16, so that the first flange plate slot 14 on the left side of the bottom surface of the support base 1 engages with one side of the I-beam component 16, and the second flange plate slot 3 on the right side of the bottom surface of the hexagonal long tightening nut 2 completes the initial positioning on the other side. Then, manually rotate the tightening bolt 12. Under the action of the retaining ring 4 restricting the rotation of the hexagonal long tightening nut 2, the tightening bolt 12 and the hexagonal long tightening nut 2 are threadedly engaged, causing the second flange plate slot 3 to move towards the first flange plate slot 14 until the two clamp the I-beam component 16. Then, the reset spring 20 in the reset shell 9 pushes the positioning insert 17 to engage with the tooth groove of the limiting gear 11 at the left end of the tightening bolt 12, realizing self-locking. Finally, select the appropriate bolt pre-drilled hole 6 on the main upright 8 according to the working height, and fix the hanging rope ring 5 with the bolt assembly 7. When adjustment is required, disassemble the bolt assembly 7 and change the hole position.

[0028] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A H-section steel member safety line fixing device comprising a support base (1), characterised in that: A main upright (8) is fixedly connected to the upper surface of the middle left side of the support base (1). A through-hole (25) is opened on the outer surface of the bottom end of the main upright (8). A tightening bolt (12) is provided above the support base (1). A ball bearing (19) is fixedly connected to the inner wall of the through-hole (25). A hexagonal long tightening nut (2) is threadedly connected to the outer surface of the thread of the tightening bolt (12). A retaining ring (4) is snapped onto the outer surface of the hexagonal long tightening nut (2). A first flange plate slot (14) and a second flange plate slot (3) are fixedly connected to the left side of the bottom surface of the support base (1) and the right side of the bottom surface of the hexagonal long tightening nut (2), respectively. An I-beam (1) is snapped into the interior of the first flange plate slot (14) and the interior of the second flange plate slot (3). 6) A limiting gear (11) is fixedly connected to the outer surface of the left end of the tightening bolt (12). A reset shell (9) is fixedly connected to the outer surface of the left side of the main upright (8) above the limiting gear (11). A reset spring (20) is fixedly connected to the inner top wall of the reset shell (9). A positioning plate (17) is slidably connected inside the reset shell (9). An auxiliary pull plate (10) is fixedly connected to the left side of the positioning plate (17). Two symmetrical adjustment grooves (22) are opened on the bottom surface of the auxiliary pull plate (10). A sliding bearing (23) is fixedly connected to the inner wall of each adjustment groove (22). A rotating column (24) is fixedly connected to the inner ring of each sliding bearing (23). A limiting plate (18) is fixedly connected to the bottom end of each rotating column (24).

2. A H-steel member safety line fixing device according to claim 1, characterized in that: The left end of the tightening bolt (12) passes through the through-hole (25) and extends to the left side of the main upright (8). The outer surface of the tightening bolt (12) is fixedly connected to the inner ring of the ball bearing (19). The bottom surface of the hexagonal long tightening nut (2) is in contact with the upper surface of the support base (1). The bottom surface of the retaining ring (4) is fixedly connected to the upper surface of the middle right side of the support base (1). The limiting gear (11) is located on the left side of the main upright (8). The upper surface of the positioning plate (17) is fixedly connected to the bottom end of the reset spring (20). The positioning plate (17) engages with the gear teeth of the limiting gear (11). The outer surface of the right end of the auxiliary pull plate (10) is slidably connected to the left side of the reset shell (9). Each of the limiting plates (18) is located below the reset shell (9).

3. A H-steel member safety line fixing device according to claim 1, characterized in that: The outer surface of the main pole (8) is provided with multiple bolt pre-drilled holes (6). Two rope loops (5) are provided on the outer side of the main pole (8). Each rope loop (5) has one side of the main pole (8) that is close to one of the bolt pre-drilled holes (6). Bolt assemblies (7) are provided on the outer side of the main pole (8) at the positions corresponding to the two rope loops (5). Each rope loop (5) is fixed to the main pole (8) by the bolt assembly (7). Each bolt assembly (7) passes through the bolt pre-drilled hole (6) and extends into the interior of the rope loop (5).

4. A H-steel member safety line attachment device according to claim 1, characterized in that: The bottom outer surface of the main upright (8) is fixedly connected with four stiffening ribs (15), and the bottom surface of each stiffening rib (15) is fixedly connected to the upper surface of the support base (1).

5. The H-steel member safety line attachment of claim 1, wherein: A tightening handle (13) is provided on the left side of the tightening bolt (12), and the right end of the tightening handle (13) is fixedly connected to the left end of the tightening bolt (12).

6. A H-steel member safety line attachment device according to claim 1, characterized in that: Each of the limiting plates (18) has an anti-slip pad (21) fixedly connected to its upper surface, and the upper surface of each anti-slip pad (21) is in contact with the bottom surface of the reset shell (9).

Images