Safety belt tying and hanging device for high-altitude operation of scaffold

By designing a safety belt fastening device with insert poles and external expansion tensioning components, the problem of inconvenient safety belt suspension in high-altitude scaffolding operations was solved, achieving a safe and reliable connection for high-altitude operations and avoiding structural damage.

CN223647398UActive Publication Date: 2025-12-09CHINA NUCLEAR IND HUAXING CONSTR
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Patent Information

Application Number
CN202422918290.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-09
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

In the existing technology, there is a lack of effective safety belt suspension and fixing points when working at heights on scaffolding, which makes it impossible for the safety belt to meet the requirements of high hanging and low use. In addition, the existing connection method is inconvenient to operate and may damage the structural strength of the scaffolding.

Method used

A safety belt fastening device was designed, comprising a plug rod, a top seat, a fastening ring, and an expansion and tensioning assembly. The plug rod is inserted into the steel pipe of the scaffolding, and the expansion and tensioning block and rubber friction plate make close contact with the inner wall of the steel pipe to achieve a stable connection and avoid structural damage.

Benefits of technology

It achieves stable suspension of the safety belt, is easy to operate, does not damage the scaffold steel pipe structure, and improves the safety of high-altitude operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of high-altitude construction equipment, in particular to a safety belt tying and hanging device for scaffold high-altitude operation, which comprises an inserting rod, a top seat, a tying and hanging ring and a scaffold steel pipe, the top end of the inserting rod is fixedly connected with the top seat, and the outer diameter of the inserting rod is smaller than the inner diameter of the scaffold steel pipe. The side wall of the top seat is evenly and fixedly connected with a plurality of tying rings used for tying a safety rope on a safety belt, the side wall of the inserting rod is provided with an external expansion supporting assembly capable of expanding outwards and making contact with the inner wall of a scaffold steel pipe in a pressing mode, and the safety belt tying device is convenient to operate and cannot damage the scaffold steel pipe structure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high altitude construction equipment technical field especially relates to a scaffold high altitude operation safety belt system hanging device. BACKGROUND

[0002] In the process of high altitude operation of the scaffold, the biggest safety risk is high altitude operation, because the main structure is not completed when the scaffold is operated, the safety belt of the operator has no effective suspension fixing point, and the safety requirement of high hanging and low use cannot be met.

[0003] The safety belt suspension device is disclosed in Chinese patent publication No. CN220058963U, which is connected and fixed with the scaffold steel pipe by means of inserting holes provided at the corresponding positions of the scaffold steel pipe and the connecting cylinder and screw rods penetrating the inserting holes and being threadedly connected with nuts, so as to realize the connection and fixation of the connecting cylinder and the scaffold steel pipe. However, the fixing process is inconvenient to operate, the structure of the scaffold steel pipe is damaged, the strength of the scaffold steel pipe is easily reduced, and certain safety hazards are caused. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a scaffold high altitude operation safety belt system hanging device to solve the technical problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A scaffold high altitude operation safety belt system hanging device comprises an insertion rod, a top seat, a hanging ring and a scaffold steel pipe, the top end of the insertion rod is fixedly connected with the top seat, the outer diameter of the insertion rod is smaller than the inner diameter of the scaffold steel pipe, a plurality of hanging rings for hanging safety ropes of safety belts are uniformly fixedly connected on the side wall of the top seat, and an outward expansion and tightening component capable of outward expansion and tightly contacting the inner wall of the scaffold steel pipe is arranged on the side wall of the insertion rod.

[0007] Further, the outer diameter of the top seat is greater than the outer diameter of the scaffold steel pipe.

[0008] Further, the hanging ring is a C-shaped ring, and the two ends of the hanging ring are respectively welded and fixed on the upper and lower sides of the side wall of the top seat, and four hanging rings are arranged.

[0009] Further, the outward expansion and tightening component comprises an outward expansion and tightening block, a vertical through hole with a rectangular cross section is formed in the insertion rod, four receiving sliding grooves are uniformly formed in the middle and lower parts of the side wall of the insertion rod along the circumference thereof, the inner side end of the receiving sliding groove is in communication with the vertical through hole, the outward expansion and tightening block is slidably connected in the receiving sliding groove in the radial direction, eight outward expansion and tightening blocks are connected with driving mechanisms for driving them to synchronously slide outward in the radial direction along the eight receiving sliding grooves and tightly contact the inner wall of the scaffold steel pipe, and a reset component is connected to the outward expansion and tightening block for driving it to reset.

[0010] Furthermore, a rubber friction plate is fixedly connected to the outer end of the outward expansion support block.

[0011] Furthermore, the driving mechanism includes: a rectangular threaded sleeve, wedge blocks, a screw, a connecting column, a rotating frustum, and a rotating assembly. The rectangular threaded sleeve is movably disposed inside the vertical through hole. Eight wedge blocks are provided, and the eight wedge blocks are respectively fixedly connected to the upper and lower sides of the four outer walls of the rectangular threaded sleeve. The outer walls of the wedge blocks are vertically slidably connected to the inner wall of the vertical through hole. The eight wedge blocks correspond one-to-one with eight outward expansion and tightening blocks and are wedge-shaped connected to each other. The rectangular threaded sleeve is axially penetrated and threadedly connected to a screw. A connecting column is fixedly connected to the top of the screw. A rotating frustum is fixedly connected to the top of the connecting column. A rotating groove with a cross-shaped cross section and penetrating vertically is opened on the top seat. The outer diameter of the connecting column is smaller than the lower inner diameter of the rotating groove. The rotating frustum is rotatably connected to the upper part of the rotating groove. A rotating assembly is fixedly connected to the top of the rotating frustum.

[0012] Furthermore, the upper part of the inner end of the outward expansion support block is provided with a ramp 1 that slopes upward from the inside out, and the lower part of the outer end of the wedge block is provided with a ramp 2 that slopes upward from the inside out. The ramp 1 and the ramp 2 are wedge-shaped slidingly connected.

[0013] Furthermore, the rotating assembly includes a top cap and a handle bar. The top cap is fixedly connected to the top of the rotating truncated cone and located above the top seat. The handle bar is transversely connected and fixedly connected to the side wall of the top cap.

[0014] Furthermore, the reset assembly includes a connecting block and a spring. The insert rod has symmetrically opened mounting slots on both sides of the receiving slide groove and communicating with them. One end of the spring is fixedly connected to the bottom of the mounting slot, and the other end of the spring is fixedly connected to the connecting block. The connecting block is slidably connected to the mounting slot and is fixedly connected to the outward expansion support block.

[0015] Furthermore, a number of limiting rods are fixedly connected to the bottom end of the top seat, and the bottom end of the limiting rods can contact the end of the scaffold steel pipe.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] By inserting the insertion rod into the scaffold steel pipe, rotating the handle will drive the screw to rotate, which in turn will cause the rectangular threaded sleeve to move downward. At this time, the eight wedge blocks move downward and push the eight outward expansion and tightening blocks to move radially outward. The rubber friction plate presses against the inner wall of the scaffold steel pipe, thus fixing the entire device to the scaffold steel pipe. The operation is convenient and will not damage the structure of the scaffold steel pipe. Attached Figure Description

[0018] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0019] Fig. 2 This is a transverse longitudinal sectional view of the present invention;

[0020] Fig. 3 This is a cross-sectional view of the connecting block of this utility model;

[0021] Fig. 4 This is a bottom view of the present invention;

[0022] Fig. 5 This is a cross-sectional view of the present invention in its usage state.

[0023] The labels in the attached diagram are as follows: 1-insertion rod, 101-vertical through hole, 102-sinking groove, 103-installation groove, 2-top seat, 201-rotating groove, 3-hanging ring, 4-outward expansion support block, 5-rubber friction plate, 6-connecting block, 7-spring, 8-rectangular threaded sleeve, 9-wedge block, 10-screw, 11-connecting column, 12-rotating frustum, 13-top cap, 14-handle rod, 15-limiting rod, 16-scaffolding steel pipe. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0025] See Figs. 1-5 As shown, a safety belt fastening device for high-altitude scaffolding operations includes: a pole 1, a top seat 2, fastening rings 3, and a scaffolding steel pipe 16. The top seat 2 is fixedly connected to the top of the pole 1. The outer diameter of the pole 1 is smaller than the inner diameter of the scaffolding steel pipe 16, and the outer diameter of the top seat 2 is larger than the outer diameter of the scaffolding steel pipe 16. Several fastening rings 3 for fastening the safety rope on the safety belt are evenly fixedly connected to the side wall of the top seat 2. An outward expansion and tightening component that can expand outward and press against the inner wall of the scaffolding steel pipe 16 is provided on the side wall of the pole 1.

[0026] In this embodiment, the tethering ring 3 is a C-shaped ring, and the two ends of the tethering ring 3 are welded and fixed to the upper and lower sides of the side wall of the top seat 2 respectively. There are four tethering rings 3, and the safety rope on the safety belt passes through the four tethering rings 3 at the same time, so as to distribute the force on each tethering ring 3.

[0027] In this embodiment, the outward expansion and tightening assembly includes: an outward expansion and tightening block 4; a vertical through hole 101 with a rectangular cross-section is provided on the insertion rod 1; four receiving grooves 102 are evenly provided circumferentially on the middle and lower parts of the side wall of the insertion rod 1; the inner end of the receiving groove 102 is connected to the vertical through hole 101; the outward expansion and tightening block 4 is radially slidably connected inside the receiving groove 102; each of the eight outward expansion and tightening blocks 4 is connected to a driving mechanism for driving them to slide outward synchronously along the eight receiving grooves 102 and press against the inner wall of the scaffold steel pipe 16; a reset assembly for driving them to reset is connected to the outward expansion and tightening block 4; a rubber friction plate 5 is fixedly connected to the outer end of the outward expansion and tightening block 4; the rubber friction plate 5 can ensure that the friction between the outer wall of the outward expansion and tightening block 4 and the inner wall of the scaffold steel pipe 16 can support the weight of the construction personnel.

[0028] In this embodiment, the driving mechanism includes: a rectangular threaded sleeve 8, wedge blocks 9, a screw 10, a connecting column 11, a rotating frustum 12, and a rotating assembly. The rectangular threaded sleeve 8 is movably disposed inside the vertical through hole 101. Eight wedge blocks 9 are provided, and the eight wedge blocks 9 are respectively fixedly connected to the upper and lower sides of the four outer walls of the rectangular threaded sleeve 8. The outer walls of the wedge blocks 9 are vertically slidably connected to the inner wall of the vertical through hole 101. The eight wedge blocks 9 correspond one-to-one with eight outward expansion support blocks 4 and are wedge-shaped connected to each other. The upper part of the inner end of the outward expansion support block 4 is provided with a slope 1 that slopes upward from the inside out, and the lower part of the outer end of the wedge block 9 is provided with a slope 2 that slopes upward from the inside out. The slope 1 and the slope 2 are wedge-shaped slidably connected. The rectangular threaded sleeve 8 is axially penetrated and threadedly connected to the screw 10. The top of the screw 10 is... A connecting column 11 is fixedly connected, and a rotating frustum 12 is fixedly connected to the top of the connecting column 11. A rotating groove 201 with a cross-shaped cross section and penetrating vertically is opened on the top seat 2. The outer diameter of the connecting column 11 is smaller than the lower inner diameter of the rotating groove 201. The rotating frustum 12 is rotatably connected to the upper part of the rotating groove 201. A rotating assembly is fixedly connected to the top of the rotating frustum 12. The rotating assembly includes a top cap 13 and a handle 14. The top cap 13 is fixedly connected to the top of the rotating frustum 12 and located above the top seat 2. The handle 14 is horizontally penetrating and fixedly connected to the side wall of the top cap 13. By rotating the handle 14, the rotating frustum 12 is driven to rotate in the rotating groove 201 and drive the screw 10 to rotate, driving the rectangular threaded sleeve 8 to move downward. The eight wedge blocks 9 push the eight outwardly expanding support blocks 4 to slide radially outward.

[0029] In this embodiment, the reset component includes a connecting block 6 and a spring 7. The insert rod 1 has symmetrically opened mounting grooves 103 on both sides of the receiving slide 102, which are connected to it. One end of the spring 7 is fixedly connected to the bottom of the mounting groove 103, and the other end of the spring 7 is fixedly connected to the connecting block 6. The connecting block 6 is slidably connected to the mounting groove 103 and is fixedly connected to the outward expansion support block 4. When the outward expansion support block 4 is not pushed by the wedge block 9, under the pull of the spring 7, the connecting block 6 drives the outward expansion support block 4 to retract into the receiving slide 102 to achieve reset.

[0030] In this embodiment, a number of limiting rods 15 are fixedly connected to the bottom end of the top seat 2. The bottom end of the limiting rod 15 can contact the end of the scaffold steel pipe 16, and the limiting rod 15 has a positioning function.

[0031] When using the device, insert rod 1 into the scaffold steel pipe 16, so that the bottom end of the limiting rod 15 contacts the end of the scaffold steel pipe 16. At this time, hold the hanging ring 3 with one hand and turn the handle rod 14 clockwise with the other hand, causing the rotating platform 12 to rotate in the rotating groove 201 and drive the screw 10 to rotate, driving the rectangular threaded sleeve 8 to move downward. Through the eight wedge blocks 9, push the eight outwardly expanding support blocks 4 to slide radially outward, and through the rubber friction plate 5, press against the inner wall of the scaffold steel pipe 16 to achieve the whole The device is fixed to the scaffold steel pipe 16. Finally, the safety rope on the safety belt is passed through the four hanging rings 3 at the same time. The operation is convenient and will not damage the structure of the scaffold steel pipe 16. When it is necessary to remove the entire device, simply turn the handle 14 counterclockwise to drive the eight wedge blocks 9 to move upward to a position where they are not in contact with the eight outward expansion support blocks 4. At this time, the outward expansion support blocks 4 are not pushed by the wedge blocks 9. Under the pull of the spring 7, the connecting block 6 drives the outward expansion support blocks 4 to retract into the receiving groove 102 to achieve reset.

[0032] In the description of this utility model, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top / bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent substitutions, and improvements made by those skilled in the art to the above embodiments without departing from the scope of the present utility model's technical solution and based on the technical essence of the present utility model shall still fall within the protection scope of the present utility model's technical solution.

Claims

1. A safety belt fastening device for high-altitude scaffolding operations, characterized in that, include: The rod (1), top seat (2), hanging ring (3) and scaffold steel pipe (16) are provided. The top seat (2) is fixedly connected to the top of the rod (1). The outer diameter of the rod (1) is smaller than the inner diameter of the scaffold steel pipe (16). Several hanging rings (3) for hanging safety ropes on safety belts are evenly fixedly connected to the side wall of the top seat (2). An expansion and tightening component that can expand outward and press against the inner wall of the scaffold steel pipe (16) is provided on the side wall of the rod (1). The expansion and tightening assembly includes: an expansion and tightening block (4), a vertical through hole (101) with a rectangular cross section is provided on the insertion rod (1), four storage grooves (102) are evenly provided in the middle and lower part of the side wall of the insertion rod (1) along its circumference, the inner end of the storage groove (102) is connected to the vertical through hole (101), the expansion and tightening block (4) is radially slidably connected in the storage groove (102), the eight expansion and tightening blocks (4) are all connected to a driving mechanism for driving them to slide radially outward synchronously along the eight storage grooves (102) and press against the inner wall of the scaffold steel pipe (16), and a reset assembly for driving them to reset is connected on the expansion and tightening block (4).

2. The safety belt fastening device for high-altitude scaffolding operations according to claim 1, characterized in that: The outer diameter of the top seat (2) is larger than the outer diameter of the scaffold steel pipe (16).

3. The safety belt fastening device for high-altitude scaffolding operations according to claim 2, characterized in that: The tethering ring (3) is a C-shaped ring, and the two ends of the tethering ring (3) are welded and fixed to the upper and lower sides of the side wall of the top seat (2), and four tethering rings (3) are provided.

4. The safety belt fastening device for high-altitude scaffolding operations according to claim 1, characterized in that: A rubber friction plate (5) is fixedly connected to the outer end of the outward expansion support block (4).

5. A safety belt fastening device for high-altitude scaffolding operations according to claim 1, characterized in that: The driving mechanism includes: a rectangular threaded sleeve (8), wedge blocks (9), a screw (10), a connecting column (11), a rotating frustum (12), and a rotating assembly. The rectangular threaded sleeve (8) is movably disposed inside the vertical through hole (101). Eight wedge blocks (9) are provided, and the eight wedge blocks (9) are respectively fixedly connected to the upper and lower sides of the four outer walls of the rectangular threaded sleeve (8). The outer walls of the wedge blocks (9) are vertically slidably connected to the inner wall of the vertical through hole (101). The eight wedge blocks (9) correspond one-to-one with the eight outward expansion and tightening blocks (4). The rectangular threaded sleeve (8) is axially threaded through and threaded with a screw (10). A connecting column (11) is fixedly connected to the top of the screw (10). A rotating frustum (12) is fixedly connected to the top of the connecting column (11). A rotating groove (201) with a cross-shaped cross section and penetrating vertically is opened on the top seat (2). The outer diameter of the connecting column (11) is smaller than the lower inner diameter of the rotating groove (201). The rotating frustum (12) is rotatably connected to the upper part of the rotating groove (201). A rotating assembly is fixedly connected to the top of the rotating frustum (12).

6. A safety belt fastening device for high-altitude scaffolding operations according to claim 5, characterized in that: The upper part of the inner end of the expansion support block (4) is provided with a ramp 1 that slopes upward from the inside out, and the lower part of the outer end of the wedge block (9) is provided with a ramp 2 that slopes upward from the inside out. The ramp 1 and the ramp 2 are wedge-shaped slidingly connected.

7. A safety belt fastening device for high-altitude scaffolding operations according to claim 5, characterized in that: The rotating assembly includes a top cap (13) and a handle (14). The top cap (13) is fixedly connected to the top of the rotating frustum (12) and located above the top seat (2). The handle (14) is horizontally connected through and fixedly connected to the side wall of the top cap (13).

8. A safety belt fastening device for high-altitude scaffolding operations according to claim 1, characterized in that: The reset assembly includes a connecting block (6) and a spring (7). The insert rod (1) has symmetrically opened mounting slots (103) on both sides of the receiving slide (102) and communicating with it. One end of the spring (7) is fixedly connected to the bottom of the mounting slot (103), and the other end of the spring (7) is fixedly connected to the connecting block (6). The connecting block (6) is slidably connected to the mounting slot (103) and is fixedly connected to the outward expansion support block (4).

9. A safety belt fastening device for high-altitude scaffolding operations according to claim 1, characterized in that: The bottom end of the top seat (2) is fixedly connected with several limiting rods (15), and the bottom end of the limiting rods (15) can contact the end of the scaffold steel pipe (16).