Safety belt suspension device for steel structure flange plate

Abstract

The invention relates to the technical field of construction safety, and particularly discloses a steel structure flange plate safety belt suspension device which comprises two clamping arms, one ends of the two clamping arms are connected through a connecting disc, the clamping arms are in running fit with the connecting disc, the upper ends of the clamping arms are connected with threaded rods, and the ends of the threaded rods are connected with guide wheels hung at the upper end of a flange plate. The side walls of the clamping arms are connected with supporting arms, the upper ends of the supporting arms are connected with top wheels matched with the bottoms of the flange plates, the two clamping arms are connected through an angle adjusting mechanism, the lower ends of the two clamping arms are provided with anti-disengaging mechanisms, the bottom of the connecting disc is connected with a buffering mechanism, and the bottom of the buffering mechanism is used for being connected with a safety belt. The safety belt can be hung on a flange plate of I-shaped steel, the I-shaped steel is clamped and fixed through the guide wheels by ingeniously utilizing the structure of the I-shaped steel, it is ensured that the safety belt cannot fall off after being hung, the problem that an existing safety belt cannot be hung on the I-shaped steel is solved, and operation convenience is improved.

Description

Technical Field

[0001] The invention relates to the technical field of construction safety, in particular to a steel structure flange plate safety belt hanging device. Background Art

[0002] Falling from height is the most common of the "five major injuries" in construction, which include falling from height, being struck by objects, electric shock, mechanical injuries, and collapse. Statistics show that falling from height is extremely common, accounting for more than half of all accidents.

[0003] Currently, an important measure to prevent falls from heights is to use a safety belt when working at heights. The hook openings of the safety belts currently on the market are relatively small. Even if a large hook is used for hanging, it can only barely hook the edge of the steel structure flange plate. When subjected to the impact of a fall, the hook can easily fall off the flange plate and has no real protective effect at all. Therefore, there is currently a lack of safety belt hanging devices that can be used for flange plates such as I-beams and H-beams. Summary of the Invention

[0004] The present invention is aimed at the above-mentioned deficiencies in the prior art and provides a steel structure flange plate safety belt hanging device, which can be hung on the flange plate of the I-beam. The structure of the I-beam is cleverly utilized to clamp and fix the I-beam through the guide wheel to ensure that it will not fall after hanging. At the same time, it can also move with the working position. It is easy and safe to use, solves the current problem that the safety belt cannot be hung on the I-beam, and improves the convenience of operation.

[0005] To achieve the above object, the present invention provides the following technical solutions: A steel structure flange plate safety belt suspension device includes two clamping arms, one end of the two clamping arms is connected by a connecting plate, the clamping arms and the connecting plate are rotatably matched, the upper end of the clamping arm is connected to a threaded rod, the end of the threaded rod is connected to a guide wheel hung on the upper end of the flange plate, the side wall of the clamping arm is connected to a support arm, the upper end of the support arm is connected to a top wheel matched with the bottom of the flange plate, the two clamping arms are connected by an angle adjustment mechanism, the lower ends of the two clamping arms are provided with an anti-slip mechanism, the bottom of the connecting plate is connected to a buffer mechanism, and the bottom of the buffer mechanism is used to connect the safety belt.

[0006] Preferably, the upper end of the clamping arm is connected to a U-shaped sleeve, a rotating block is connected to the U-shaped sleeve through a rotating shaft, a first positioning hole is provided on the side wall of the rotating block, a first positioning bolt that cooperates with the first positioning hole is provided on the side wall of the U-shaped sleeve, and the threaded rod is threadedly matched with the rotating block. Preferably, a knob is provided at one end of the threaded rod, and a guide ball is connected to the side wall of the guide wheel through a rotating shaft. The guide ball has the same diameter as the guide wheel, and a rotatable steel ball is embedded on the side of the guide ball away from the guide wheel, and the steel ball is in contact with the inner wall of the steel structure. Preferably, the support arm is connected to the clamping arm through a rotating shaft, a second positioning hole is provided on the side wall of the support arm, an ear plate is provided on the clamping arm, a locking rod that cooperates with the second positioning hole passes through the ear plate, a pull ring is provided at one end of the locking rod, and a pressure plate is provided at the other end of the locking rod, and a first spring is connected between the pressure plate and the ear plate. Preferably, a guide ring is sleeved on the outer side of the connecting disk, and a sliding groove cooperating with the guide ring is provided at the lower end of the clamping arm.

[0007] Preferably, the buffer mechanism includes a pull sleeve connected to the connecting plate, a pressure block is provided in the pull sleeve, the lower end of the pressure block is connected to a pull rod passing through the bottom of the pull sleeve, the lower end of the pull rod is provided with a hanging ring connected to the safety belt, and a second spring is connected between the lower end of the pressure block and the bottom of the pull sleeve.

[0008] Preferably, the angle adjustment mechanism includes a rotating wheel located between the two clamping arms, a nut sleeve is connected to the side wall of the clamping arm through a rotating shaft, and driving screws with opposite thread directions are connected to both ends of the rotating wheel, and the driving screw is threadedly matched with the nut sleeve.

[0009] Preferably, a limit block is provided at the end of the driving screw.

[0010] Preferably, the angle adjustment mechanism includes an arc-shaped positioning plate, the side walls of which are evenly provided with slots, one end of the positioning plate is connected to a clamping arm, and the other clamping arm is provided with a detachable second positioning bolt that cooperates with the slot.

[0011] Preferably, the anti-slip mechanism includes a stud and a connecting sleeve respectively connected to the clamping arm through a rotating shaft, the stud passes through the connecting sleeve, and nuts that cooperate with the stud are provided on both sides of the connecting sleeve.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can be hung on the flange plate of the I-beam, and cleverly utilizes the structure of the I-beam to clamp and fix the I-beam through the guide wheel to ensure that it will not fall after being hung. At the same time, it can also move with the working position. It is easy and safe to use, solves the problem that the current safety belt cannot be hung on the I-beam, and improves the convenience of operation.

[0013] 2. The two clamping arms of the present invention can be adjusted in angle, which not only facilitates the hanging and disassembly of the device, but also can adapt to I-beams of different sizes, thereby increasing the versatility of use.

[0014] 3. The present invention provides a guide ball on one side of the guide wheel, and a steel ball that cooperates with the I-beam is provided in the guide ball, so that the threaded rod can reliably cooperate with the I-beam at different angles, reducing the difficulty of installation of the device and making it faster to use; at the same time, it reduces the friction between the device and the I-beam, avoids wear, and makes the movement smoother, safer and more reliable to use.

[0015] 4. The present invention is provided with a top wheel, which can prevent the suspension device from jumping and make the device more stable in use.

[0016] 5. The present invention can easily and quickly adjust the angle of the clamping arm by rotating the wheel, and can also fix the angle of the clamping arm, which is quick to use.

[0017] 6. The present invention provides an anti-slip mechanism to further ensure the firmness of the angle between the two clamping arms, thereby further improving the safety factor and structural strength of the device.

[0018] 7. The buffer mechanism of the present invention can provide buffering and shock absorption when a person falls, thereby reducing the damage to the person caused by the impact of the fall. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of embodiment 1 Figure 1 ; Figure 2 It is a structural diagram of the buffer mechanism; Figure 3 Schematic diagram of the structure of the clamping arm; Figure 4 It is the structural diagram of the transfer block; Figure 5 for Figure 3 A schematic diagram of the enlarged structure at point A; Figure 6 This is a schematic diagram of the structure of embodiment 2 Figure 1 ; Figure 7 This is a schematic diagram of the structure of Example 2 Figure 2 ; In the figure: 1-I-beam; 2-threaded rod; 201-knob; 202-guide wheel; 203-guide ball; 204-steel ball; 3-clamping arm; 301-rotating block; 302-first positioning bolt; 303-U-shaped sleeve; 304-slide; 305-pull ring; 306-locking rod; 307-ear plate; 308-first spring; 309-pressure plate; 310-first positioning hole; 311-second positioning bolt; 312-nut Sleeve; 4-support arm; 401-top wheel; 402-second positioning hole; 5-rotating wheel; 501-driving screw; 502-limiting block; 6-buffer mechanism; 601-pull sleeve; 602-pressing block; 603-second spring; 604-pull rod; 605-hanging ring; 7-connecting plate; 701-guide ring; 8-positioning plate; 801-slot; 9-anti-slip mechanism; 901-stud; 902-connecting sleeve; 903-nut. DETAILED DESCRIPTION The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] like Figure 1 As shown, a steel structure flange plate safety belt hanging device includes two clamping arms 3, one end of the two clamping arms 3 is connected by a connecting plate 7, the clamping arm 3 and the connecting plate 7 are rotated to cooperate with each other to adjust the angle between the two clamping arms 3, the upper end of the clamping arm 3 is connected to a threaded rod 2, the end of the threaded rod 2 is connected to a guide wheel 202 hung on the upper end of the flange plate, the side wall of the clamping arm 3 is connected to a support arm 4, the upper end of the support arm 4 is connected to a top wheel 401 that cooperates with the bottom of the flange plate to further ensure stability after suspension, the two clamping arms 3 are connected by an angle adjustment mechanism, the lower ends of the two clamping arms 3 are provided with an anti-slip mechanism 9, the bottom of the connecting plate 7 is connected to a buffer mechanism 6, and the bottom of the buffer mechanism 6 is used to connect the safety belt.

[0021] The specific structure is: like Figure 3 As shown, the upper end of the clamping arm 3 is connected to a U-shaped sleeve 303, as shown in FIG. Figure 4 As shown, a rotating block 301 is connected to the U-shaped sleeve 303 via a rotating shaft. A first positioning hole 310 is provided on the side wall of the rotating block 301 around the rotating shaft. A first positioning bolt 302 is provided on the side wall of the U-shaped sleeve 303 to cooperate with the first positioning hole 310. The threaded rod 2 is threadedly engaged with the rotating block 301. The rotating block 301 can be used to adjust the angle of the threaded rod 2 so that the threaded rod 2 is as horizontal as possible when suspended. A knob 201 is provided at one end of the threaded rod 2, by which the threaded rod 2 can be rotated to adjust the left and right positions of the guide wheel 202. A guide ball 203 is connected to the side wall of the guide wheel 202 through a rotating shaft. The guide wheel 202 and the guide ball 203 can both rotate. The guide ball 203 has the same diameter as the guide wheel 202. When the threaded rod 2 is horizontal, the guide ball 203 and the guide wheel 202 are both in contact with the upper end of the flange plate; when the threaded rod 2 is tilted: the knob 201 is higher than the guide wheel 202, at this time the guide ball 203 contacts and cooperates with the upper end of the flange plate; when the knob 201 is lower than the guide wheel 202, the guide wheel 202 contacts and cooperates with the upper end of the flange plate; a rotatable steel ball 204 is inlaid on the side of the guide ball 203 away from the guide wheel 202, and the steel ball 204 contacts and cooperates with the inner wall of the steel structure. The steel ball 204 presses against the vertical plate of the I-beam 1, which can prevent the suspension device from sliding left and right, ensuring safe and reliable use. The support arm 4 is connected to the clamping arm 3 through a rotating shaft. Figure 5As shown, a second positioning hole 402 is provided on the side wall of the support arm 4, and the pull ring 305 is evenly arranged around the rotating shaft of the support arm 4. An ear plate 307 is provided on the clamping arm 3, and a locking rod 306 that cooperates with the second positioning hole 402 is passed through the ear plate 307. A pull ring 305 is provided at one end of the locking rod 306, and a pressure plate 309 is sleeved on the other end of the locking rod 306. A first spring 308 is connected between the pressure plate 309 and the ear plate 307. The support arm 4 can be rotatably adjusted to adapt to I-beams 1 of different thicknesses, and the support arm 4 can be fixed by the locking rod 306; the top wheel 401 is mainly used to prevent the suspension device from jumping during use, to ensure that the suspension device can reliably cooperate with the I-beam 1. A guide ring 701 is sleeved on the outer side of the connecting plate 7 , and a sliding groove 304 cooperating with the guide ring 701 is provided at the lower end of the clamping arm 3 , so that the clamping arm 3 can rotate around the guide ring 701 .

[0022] The anti-slip mechanism 9 includes a stud 901 and a connecting sleeve 902 respectively connected to the clamping arms 3 through a rotating shaft. The stud 901 passes through the connecting sleeve 902. Both sides of the connecting sleeve 902 are provided with nuts 903 that cooperate with the stud 901. The connecting sleeve 902 can be clamped by the two nuts 903 to fix the distance between the two clamping arms 3, preventing the two clamping arms 3 from rotating during use, thereby ensuring safe use.

[0023] like Figure 2 As shown, the buffer mechanism 6 includes a pull sleeve 601 connected to the connecting plate 7, a pressure block 602 is provided in the pull sleeve 601, the lower end of the pressure block 602 is connected to a pull rod 604 passing through the bottom of the pull sleeve 601, the lower end of the pull rod 604 is provided with a hanging ring 605 for connecting the safety belt, and a second spring 603 is connected between the lower end of the pressure block 602 and the bottom of the pull sleeve 601; when a person falls, the safety belt will pull the pressure block 602 through the pull rod 604, and the pressure block 602 compresses the second spring 603, which plays a role of buffering and shock absorption, thereby reducing the impact damage to the person.

[0024] Example 1: The angle adjustment mechanism includes a rotating wheel 5 located between the two clamping arms 3. A nut sleeve 312 is connected to the side wall of the clamping arm 3 through a rotating shaft. The nut sleeve 312 can rotate. The two ends of the rotating wheel 5 are connected to driving screws 501 with opposite thread directions. The driving screw 501 is threadedly matched with the nut sleeve 312. A limit block 502 is provided at the end of the driving screw 501. Rotating the rotating wheel 5 can drive the two clamping arms 3 to rotate toward or away from each other to achieve angle adjustment. The adjustment method is simple and fast.

[0025] Embodiment 2; like Figure 6 、 Figure 7As shown, the angle adjustment mechanism includes an arc-shaped positioning plate 8, and the side walls of the positioning plate 8 are evenly provided with card slots 801. There are two positioning plates 8, which are located on both sides of the clamping arm 3. One end of the positioning plate 8 is connected to one clamping arm 3, and the other clamping arm 3 is provided with a detachable second positioning bolt 311 that cooperates with the card slot 801. The second positioning bolt 311 passes through the clamping arm 3 and cooperates with the card slots 801 on both sides to achieve angle fixation of the clamping arm 3.

[0026] When in use, one end of the safety belt is connected to the hanging ring 605; the connecting plate 7 is located directly below the I-beam 1, and the angle between the two clamping arms 3 is adjusted by the angle adjustment mechanism to close the two clamping arms 3, so that the distance between the guide ball 203 and the I-beam 1 is within the adjustment range of the threaded rod 2, and the guide ball 203 is adjusted by the threaded rod 2 so that the guide ball 203 is located at the upper end of the flange plate and the steel ball 204 is attached to the inner wall of the I-beam 1. At the same time, the threaded rod 2 is rotated to make the threaded rod 2 as horizontal as possible, and the angle of the rotating block 301 is fixed by the first positioning bolt 302, and the support arm 4 is rotated so that the top wheel 401 is against the lower end of the flange plate, and the nut 903 is rotated so that the two nuts 903 clamp the connecting sleeve 902 to further fix the angle of the two clamping arms 3; during operation, the safety belt drags the suspension device along the I-beam 1 to move.

[0027] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

Claims

1. A steel structure flange plate safety belt suspension device, characterized by: The utility model comprises two clamping arms, one end of the two clamping arms is connected by a connecting plate, the clamping arms and the connecting plate are rotatably matched, the upper end of the clamping arm is connected to a threaded rod, the end of the threaded rod is connected to a guide wheel hung on the upper end of the flange plate, the side wall of the clamping arm is connected to a support arm, the upper end of the support arm is connected to a top wheel matched with the bottom of the flange plate, the two clamping arms are connected by an angle adjustment mechanism, the lower ends of the two clamping arms are provided with an anti-slip mechanism, the bottom of the connecting plate is connected to a buffer mechanism, and the bottom of the buffer mechanism is used to connect the safety belt.

2. A steel structure flange plate safety belt suspension device according to claim 1, characterized in that: The upper end of the clamping arm is connected to a U-shaped sleeve, the interior of the U-shaped sleeve is connected to a rotating block through a rotating shaft, a first positioning hole is provided on the side wall of the rotating block, a first positioning bolt that cooperates with the first positioning hole is provided on the side wall of the U-shaped sleeve, and the threaded rod is threadedly engaged with the rotating block.

3. A steel structure flange plate safety belt suspension device according to claim 2, characterized in that: A knob is provided at one end of the threaded rod, and a guide ball is connected to the side wall of the guide wheel through a rotating shaft. The guide ball has the same diameter as the guide wheel, and a rotatable steel ball is embedded on the side of the guide ball away from the guide wheel, and the steel ball contacts and cooperates with the inner wall of the steel structure.

4. A steel structure flange plate safety belt suspension device according to claim 1, characterized in that: The support arm is connected to the clamping arm through a rotating shaft, a second positioning hole is provided on the side wall of the support arm, and an ear plate is provided on the clamping arm. A locking rod that cooperates with the second positioning hole passes through the ear plate, a pull ring is provided at one end of the locking rod, and a pressure plate is provided at the other end of the locking rod, and a first spring is connected between the pressure plate and the ear plate.

5. The steel structure flange plate safety belt suspension device according to claim 1, characterized in that: A guide ring is sleeved on the outer side of the connecting disk, and a sliding groove matched with the guide ring is provided at the lower end of the clamping arm.

6. The steel structure flange plate safety belt suspension device according to claim 1, characterized in that: The buffer mechanism includes a pull sleeve connected to the connecting plate, a pressure block is provided in the pull sleeve, the lower end of the pressure block is connected to a pull rod passing through the bottom of the pull sleeve, the lower end of the pull rod is provided with a hanging ring connected to the safety belt, and a second spring is connected between the lower end of the pressure block and the bottom of the pull sleeve.

7. The steel structure flange plate safety belt suspension device according to claim 1, characterized in that: The angle adjustment mechanism includes a rotating wheel located between two clamping arms, a nut sleeve is connected to the side wall of the clamping arm through a rotating shaft, and driving screws with opposite thread directions are connected to both ends of the rotating wheel, and the driving screws are threadedly matched with the nut sleeve.

8. A steel structure flange plate safety belt suspension device according to claim 7, characterized in that: A limiting block is provided at the end of the driving screw.

9. The steel structure flange plate safety belt suspension device according to claim 1, characterized in that: The angle adjustment mechanism includes an arc-shaped positioning plate, the side walls of which are evenly provided with card slots, one end of the positioning plate is connected to a clamping arm, and the other clamping arm is provided with a detachable second positioning bolt that cooperates with the card slot.

10. The steel structure flange plate safety belt suspension device according to claim 1, characterized in that: The anti-slip mechanism comprises a stud and a connecting sleeve respectively connected to the clamping arm through a rotating shaft. The stud passes through the connecting sleeve, and nuts matching the stud are provided on both sides of the connecting sleeve.

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