Steel beam upper chord safety rope fixing support

By designing a safety rope fixing bracket for the upper chord of the steel beam, and adopting a C-shaped buckle and sleeve structure, the problems of paint damage and safety hazards at corners of existing brackets were solved, thus improving stability and safety.

CN223615293UActive Publication Date: 2025-12-02CHINA CONSTR SENVENTH ENG BUREAU INSTALLATION ENG
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Patent Information

Application Number
CN202422905983.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-12-02
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Existing safety cable supports are prone to damaging the paint when installed on steel beams and cannot guarantee worker safety at corners, leading to safety hazards.

Method used

A safety rope fixing bracket for the upper chord of a steel beam was designed. It adopts a C-shaped buckle, a clamping plate and a sleeve structure, and is fixed to the steel beam by screws and locking nuts. The position and angle of the fixing ring can be adjusted, and two safety ropes are set separately to ensure worker safety.

Benefits of technology

This increases the contact area with the steel beams, protecting the paint from damage, while ensuring at least one safety cable connects the worker at the corners, thus improving the stability and safety of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223615293U_ABST
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Abstract

The utility model relates to a steel beam upper chord safety rope fixing support. The steel beam upper chord safety rope fixing support comprises a safety rope and a fixing support body. The safety cable is wound on the fixed bracket; the fixed bracket comprises a buckle, a pressing plate, a screw rod and a sleeve; the buckle is C-shaped and comprises a top plate and a bottom plate which are arranged in parallel, and the top plate and the bottom plate are connected through side plates on the side faces. The pressing plate is parallel to the top plate of the buckle; a plurality of adjusting studs are arranged at the top of the pressing plate, and circular sliding holes are correspondingly formed in the buckle top plate. An adjusting nut is arranged on the adjusting stud in a matched mode. The screw rod is vertically fixed to the middle of the buckle top plate, the sleeve is connected to the outer portion of the screw rod in a sleeving mode, and a locking nut is arranged at the bottom of the sleeve and matched with the screw rod; the outer side wall of the sleeve is fixedly connected with a fixing ring. According to the steel beam upper chord safety rope fixing support, the upper safety rope and the lower safety rope are separated, it can be guaranteed that at least one safety rope is connected with a worker when the worker crosses the corner of a steel beam, and therefore the safety of the worker is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the technical field of construction safety facilities, and in particular to a safety rope fixing bracket for the upper chord of a steel beam. Background Technology

[0002] Construction safety ropes are essential safety protection equipment used on construction sites. Their main function is to protect workers and equipment, preventing falls. When installing steel beams, workers often lack a foothold, so safety rope supports are needed when laying them.

[0003] Existing supports (such as CN217760186U - a lifeline support for steel structure roofs) can be directly installed on the upper chord edge of steel beams to provide fixing points for safety cables; however, safety cable supports still have many problems: for example, the bottom of the support is pressed by bolts, resulting in a small contact area with the steel beam, which can easily damage the paint surface of the steel beam, requiring subsequent manual paint repair; in addition, existing safety cable supports are generally laid in line with the path of the steel beam, which makes it impossible to guarantee the safety of workers when crossing the corners of the steel beam; therefore, a safety cable fixing support with a stable installation structure is needed. Utility Model Content

[0004] The purpose of this utility model is to solve the above problems and provide a steel beam upper chord safety rope fixing bracket.

[0005] The technical solution of this utility model is as follows: a safety rope fixing bracket for the upper chord of a steel beam, comprising a safety rope and a fixing bracket; the safety rope is wound around the fixing bracket; the fixing bracket includes a buckle, a clamping plate, a screw, and a sleeve; the buckle is C-shaped, comprising a top plate, a bottom plate, and a side plate arranged in parallel, the side plate being located on one side of the buckle, and the top plate and the bottom plate being connected through the side plate; the clamping plate is a square plate, located inside the buckle, and the clamping plate is parallel to the top plate of the buckle; the top of the clamping plate is provided with several adjusting studs, and the top plate of the buckle is provided with corresponding circular sliding holes; adjusting nuts are fitted on the adjusting studs; the top surface of the adjusting nuts abuts against the bottom surface of the top plate of the buckle; the screw is vertically fixed in the middle of the top plate of the buckle, the sleeve is sleeved on the outside of the screw, and a locking nut is provided at the bottom of the sleeve, the locking nut cooperating with the screw; a fixing ring is fixedly connected to the outer wall of the sleeve. The fixed bracket is fixed to the steel beam, and the safety cable passes through the fixed ring of the fixed bracket. The position of the fixed ring can be adjusted by adjusting the position of the sleeve, which improves the practicality and safety of the device.

[0006] Preferably, two sleeves are provided, and the two sleeves are arranged vertically along the screw; each sleeve has a locking nut at both ends. The two sleeves, with two locking nuts in cooperation, allow for independent adjustment of each sleeve, increasing the flexibility of the device during use.

[0007] Preferably, the sleeve has an internal thread that matches the stud. This internal thread allows for vertical adjustment while the sleeve rotates, and after the lock nut is tightened, the position and angle of the sleeve are fixed and will not deflect.

[0008] Preferably, the side plate is arc-shaped, and the top plate, bottom plate, and side plate of the buckle are integrally formed; this can avoid stress concentration on the buckle, which could lead to breakage and safety hazards.

[0009] Preferably, three adjusting studs are provided, and the three adjusting studs are evenly distributed in a circle around the axis of the stud. The three adjusting studs limit the position of the pressure plate, which can improve the stability of the device.

[0010] Preferably, the outline dimensions of the clamping plate are the same as those of the snap-on top plate.

[0011] Preferably, the outer wall of the sleeve is provided with two retaining rings, the axes of which are parallel. Having two retaining rings allows the fixing bracket to be installed in the middle of the safety rope, improving the safety of the safety rope; separating the two safety ropes also prevents entanglement and friction between them.

[0012] The beneficial effects of this utility model are as follows: The steel beam upper chord safety rope fixing bracket of this utility model has the following advantages:

[0013] 1. This utility model uses a pressure plate to contact the upper surface of the steel beam, which increases the contact area between the device and the upper surface of the steel beam. This not only increases the stability of the device, but also protects the paint surface of the steel beam from damage.

[0014] 2. The sleeve and the support are connected by threads and can be locked, allowing adjustment of the height and direction of the fixing rings on both sides of the sleeve.

[0015] 3. Separating the upper and lower safety ropes ensures that workers are connected to at least one safety rope when crossing the corner of the steel beam, thus guaranteeing their safety. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the steel beam upper chord safety rope fixing bracket of this utility model. Figure 1 ;

[0017] Figure 2 This is a structural diagram of the fixed bracket;

[0018] Figure 3 This is the front view of the fixed bracket;

[0019] Figure 4 yes Figure 3 AA section view;

[0020] Figure 5 yes Figure 4 Enlarged view of I;

[0021] Figure 6 This is a schematic diagram of the lock nut structure.

[0022] In the diagram: 00. Steel column, 01. Steel beam, 021. Upper safety rope, 022. Lower safety rope, 1. Buckle, 11. Top plate, 12. Bottom plate, 13. Side plate, 14. Screw, 2. Pressure plate, 21. Adjusting stud, 22. Adjusting nut, 3. Sleeve, 31. Fixing ring, 32. Locking nut. Detailed Implementation

[0023] Example 1: See Figure 1-3 A safety rope fixing bracket for the upper chord of a steel beam 01 includes a safety rope and a fixing bracket. The safety rope is wound around the fixing bracket. The fixing bracket includes a buckle 1, a clamping plate 2, a screw 14, and a sleeve 3. The buckle 1 is C-shaped and includes a top plate 11, a bottom plate 12, and a side plate 13 arranged in parallel. The side plate 13 is located on one side of the buckle 1, and the top plate 11 and the bottom plate 12 are connected through the side plate 13. The distance between the bottom surface of the buckle 1 and the clamping plate 2 is greater than the thickness of the upper chord of the steel beam 01. The clamping plate 2 is a square plate and is located inside the buckle 1 to clamp. Plate 2 is parallel to the top plate 11 of buckle 1; several adjusting studs 21 are provided on the top of the clamping plate 2, and corresponding circular sliding holes are provided on the top plate 11 of buckle 1; adjusting nuts 22 are fitted on the adjusting studs 21; the top surface of the adjusting nut 22 abuts against the bottom surface of the top plate 11 of buckle 1; the screw 14 is vertically fixed in the middle of the top plate 11 of buckle 1, and the sleeve 3 is sleeved on the outside of the screw 14. A locking nut 32 is provided at the bottom of the sleeve 3, and the locking nut 32 cooperates with the screw 14; a fixing ring 31 is fixed to the outer wall of the sleeve 3. The fixing bracket is fixed on the steel beam 01, and the safety rope passes through the fixing ring 31 of the fixing bracket. The position of the fixing ring 31 can be adjusted by adjusting the position of the sleeve 3, which improves the practicality and safety of the device.

[0024] Each adjusting stud 21 is fitted with two adjusting nuts 22, which abut against the two sides of the top plate 11 of the buckle 1 respectively.

[0025] There are two sleeves 3, which are vertically arranged along the screw 14; each sleeve 3 has a locking nut 32 at both ends. The two sleeves 3 are equipped with two locking nuts 32, which allows the two sleeves 3 to be adjusted separately, increasing the flexibility of the device during use.

[0026] The sleeve 3 has an internal thread that matches the stud. The internal thread of the sleeve 3 allows for vertical adjustment while the sleeve 3 rotates, and after the locking nut 32 is locked, the position and angle of the sleeve 3 can be fixed and will not deflect.

[0027] The side plate 13 is arc-shaped, and the top plate 11, bottom plate 12 and side plate 13 of the buckle 1 are integrally formed; this can prevent stress concentration on the buckle 1 from causing breakage and creating safety hazards.

[0028] Three adjusting studs 21 are provided, and the three adjusting studs 21 are evenly distributed in a circle around the axis of the stud. The three adjusting studs 21 limit the position of the pressure plate 2, which can improve the stability of the device.

[0029] The outline dimensions of the clamping plate 2 are the same as those of the top plate 11 of the buckle 1.

[0030] The outer wall of the sleeve 3 is provided with two fixing rings 31, and the axes of the two fixing rings 31 are parallel. The two fixing rings 31 can be used to install the fixing bracket in the middle of the safety rope, thereby improving the safety of the safety rope; the separation of the two safety ropes can also prevent the safety ropes from getting tangled and rubbing together.

[0031] The installation process in this embodiment includes the following steps:

[0032] ① Install the clamping plate 2 into the buckle 1, and pass the three adjusting studs 21 through the sliding holes on the top plate 11 of the buckle 1, and tighten the adjusting nuts 22;

[0033] ② Place the fixed bracket at the predetermined position on the upper chord of the steel beam 01, and turn the adjusting nut 22 on the lower side of the buckle 1 to clamp the steel beam 01 with the clamping plate 2 and the base plate 12 of the buckle 1.

[0034] ③ Tighten the adjusting nut 22 on the upper side of the top plate 11 of the buckle 1 to lock the clamping plate 2;

[0035] ④ Install two sets of locking nuts 32 and two sleeves 3, with the top and bottom of each sleeve 3 abutting against a locking nut 32 respectively;

[0036] ⑤ Repeat steps ①-④ to install fixed brackets on both sides of the corner of steel beam 01;

[0037] ⑥ Align the fixing rings 31 on the lower sleeves 3 of the fixed supports on both sides of the corner of the steel beam 01, and install the lower safety cable 022; the upper safety cable 021 passing through the upper sleeve 3 of the fixed support is fixed to the steel column 00 respectively; the lower safety cable 022 passing through the upper sleeve 3 of the fixed support passes around the steel column 00, and its two ends are connected to the fixing rings 31 of the lower sleeve 3 of the fixed support respectively; the installation of the device is complete.

[0038] The usage process of this embodiment includes the following steps:

[0039] ① The worker wears a safety belt with two hanging rings attached; the two hanging rings are respectively attached to the upper safety rope 021 and the lower safety rope 022;

[0040] ② When the worker reaches the corner of steel beam 01, remove the hanging ring on the upper safety cable 021. At this time, there is still a hanging ring attached to the lower safety cable 022.

[0041] ③ After the worker crosses over the corner of steel beam 01, he reattaches the removed hanging ring to another section of safety cable 021.

[0042] Example 2: Example 2 is basically the same as Example 1, and the similarities will not be repeated. The difference is that rubber pads are provided on the upper surface of the base plate 12 of the buckle 1 and the lower surface of the clamping plate 2. This can improve the clamping degree of the clamping plate 2 on the steel beam 01, while avoiding damage to the paint surface of the steel beam 01 by the clamping plate 2 and the buckle 1.

Claims

1. A safety rope fixing bracket for the upper chord of a steel beam, comprising a safety rope and a fixing bracket; the safety rope is wound around the fixing bracket; characterized in that, The fixed bracket includes a buckle, a clamping plate, a screw, and a sleeve. The buckle is C-shaped and includes a top plate, a bottom plate, and a side plate arranged in parallel. The side plate is located on one side of the buckle, and the top plate and the bottom plate are connected through the side plate. The clamping plate is a square plate located inside the buckle and is parallel to the top plate of the buckle. Several adjusting studs are provided on the top of the clamping plate, and corresponding circular sliding holes are provided on the top plate of the buckle. Adjusting nuts are fitted on the adjusting studs. The screw is vertically fixed in the middle of the top plate of the buckle, and the sleeve is sleeved on the outside of the screw. A locking nut is provided at the bottom of the sleeve, and the locking nut cooperates with the screw. A fixing ring is fixed to the outer wall of the sleeve.

2. The steel beam upper chord safety rope fixing bracket according to claim 1, characterized in that: There are two sleeves, which are arranged vertically along the screw; each sleeve has a locking nut at both ends.

3. The steel beam upper chord safety rope fixing bracket according to claim 1, characterized in that: The sleeve has an internal thread that matches the stud.

4. The steel beam upper chord safety rope fixing bracket according to claim 1, characterized in that: The side panel is arc-shaped, and the top plate, bottom plate, and side panel of the snap fastener are integrally formed.

5. The steel beam upper chord safety rope fixing bracket according to claim 1, characterized in that: The adjustment studs are provided in three parts, and the three adjustment studs are evenly distributed in a circle around the axis of the stud.

6. The steel beam upper chord safety rope fixing bracket according to claim 1, characterized in that: The outline dimensions of the clamping plate are the same as those of the snap-on top plate.

7. The steel beam upper chord safety rope fixing bracket according to claim 1, characterized in that: The outer wall of the sleeve is provided with two fixing rings, and the axes of the two fixing rings are parallel.

Citation Information

Patent Citations

  • Lifeline support based on steel structure roof

    CN217760186U