A fall prevention device for metal roof construction

Abstract

The present application relates to the technical field of construction protection equipment and discloses a fall prevention device for metal roof construction, comprising two sets of safety ropes, a shuttle connected to the safety ropes, and a staggered seat. The safety ropes are installed on the metal roof in a stretched state. Sliding sleeves and movable baffles are provided at both ends of the shuttles. The sliding sleeves and movable baffles are combined to form a waist hole. The waist hole has a gap. The size of the gap changes with the movement of the movable baffle. When the gap is smallest, the safety rope cannot pass through the gap. In this fall prevention device for metal roof construction, the shuttles slide along the two safety ropes, providing greater load-bearing capacity, safety redundancy, and stronger impact resistance. Furthermore, when workers' movement directions are inconsistent, the shuttles on either side of the staggered seat pass through the staggered seat from both sides at the intersection, automatically exchanging positions and reducing the number of times workers have to walk towards the safety ropes.

Description

Technical Field

[0001] The present application relates to the technical field of construction protection equipment, and in particular to a fall prevention device for metal roof construction. Background Art

[0002] Metal roofing refers to a roofing system that uses metal materials as the load-bearing and connecting framework, and metal plates as the load-bearing or waterproofing materials. In combination with thermal insulation, sound insulation, and waterproofing, metal roofing achieves all of the system's functional requirements. During metal roofing installation, workers must stand on the rooftop to install the steel plates. The high height of the factory building and the slippery roofing plates create significant risks during the installation process, making the safety of construction workers a crucial consideration.

[0003] The existing fall prevention device is equipped with a safety rope through a fixing piece. Both ends of the safety rope are tightened. One end of the safety rope is tied to the worker, and the other end slides on the safety rope through a shuttle.

[0004] However, during the construction process, the movement direction of each worker is not consistent. When two workers move in opposite directions, or only one worker moves, the two corresponding shuttles will inevitably interfere with each other when moving to the same position. In order to save trouble, workers may violate regulations and untie the safety rope, which can easily cause safety accidents. Summary of the Invention

[0005] The present application proposes a fall prevention device for metal roof construction. When the workers' movement directions are inconsistent, when they intersect, the shuttles on both sides of the staggered seat pass through the staggered seat from both sides respectively, and exchange positions by themselves. It is more convenient for workers to use, and at the same time reduces the number of times workers walk towards the safety rope. Workers can spend more time on work, thereby improving work efficiency.

[0006] To achieve the above objectives, the present application adopts the following technical solution: a fall prevention device for metal roof construction, comprising:

[0007] Two sets of safety cables, which are installed on the metal roof in a straightened state;

[0008] A shuttle connected to a safety rope, wherein both ends of the shuttle are provided with a sliding sleeve and a movable baffle, the sliding sleeve and the movable baffle are combined to form a waist hole, and the waist hole has a gap, the size of which changes with the movement of the movable baffle. When the gap is the smallest, the safety rope cannot pass through the gap;

[0009] Guide block, which drives the moving baffle and shuttle;

[0010] The staggered seat has a first guide member and two groups of second guide members at both ends of the staggered seat. The two first guide members are arranged diagonally. When the guide block moves along the first guide member, the gap on one side becomes larger to allow the safety rope to escape. When the guide block moves along the two groups of second guide members, the shuttle rotates around the safety rope that has not escaped. After the shuttle passes the staggered seat, it is reset under the guidance of the second guide member on the other side.

[0011] Furthermore, both sides of the staggered seat are connected to a first lock buckle through a connecting plate, and the first lock buckle is connected to a safety rope. The connecting plate can pass through the smallest gap. The connecting plate is "L"-shaped, and the angle between the gap and the horizontal plane is the same as the maximum rotation angle of the shuttle. After the shuttle rotates, the gap is aligned with the connecting plate. The safety rope is used for guidance and positioning to make the positions of the shuttle and the staggered seat relatively consistent.

[0012] Furthermore, the staggered seat is installed on the metal roof through a fixing seat, and the staggered seat is fixed to the fixing seat by fastening bolts.

[0013] Furthermore, a group of staggered seats are provided between each of the two adjacent shuttles, and the staggered seats slide on the safety rope through a first lock buckle. The first lock buckle is provided with a sliding groove, and the gap between the sliding sleeve and the movable baffle is the same as the relative position of the sliding groove, so that the shuttle and the staggered seat can pass through the support synchronously.

[0014] Furthermore, blocking plates are provided on both sides of the staggered seat, which pass through the staggered seat and are movably connected to the staggered seat. Under the action of elastic force, the blocking plate maintains an extended state on one side and can block the shuttle from continuing to pass. A permanent magnet is provided at the other end of the blocking plate, and a driving block corresponding to the blocking plate is provided at the bottom of the shuttle. The driving block and the blocking plate are attracted to each other, and the suction force can drive the blocking plate to retract into the staggered seat to release the shuttle. The two blocking plates are rotationally symmetrical, ensuring that the shuttles on both sides meet at the top of the staggered seat.

[0015] Furthermore, the guide block and the first guide member drive the shuttle to move laterally as a whole, and the movable baffle is connected to the shuttle through an adjusting member. The movable baffle on either side can be extended and retracted relative to the adjusting member. The adjusting member includes a positioning spring and a box body. The shuttle and the box body are fixedly connected. The movable baffles on both sides are slidably connected to the box body. The positioning spring keeps the movable baffle in an extended state. The end of the movable baffle consists of a vertical segment and an arc segment, and the horizontal projection of the safety rope is on the vertical segment.

[0016] Furthermore, a limit plate is provided in the box body, and the limit plate is movably connected to the box body through a positioning rod. A spring is provided between the limit plate and the box body, and the spring makes the limit plate close to the movable baffle. When the limit plate is close to the movable baffle, the movable baffle cannot move. The guide block is fixedly connected to the limit plate, and when the guide block and the first guide member interact with each other, the guide block will also move downward. The guide block is "T" shaped.

[0017] Furthermore, the second guide member is a T-shaped slot, the second guide member and the first guide member are connected end to end to guide the guide block into the T-shaped slot, and the bottom of the guide block is a semi-cylinder.

[0018] The beneficial effects of the present invention are as follows:

[0019] The present application provides a fall prevention device for metal roof construction. The shuttle slides along two safety ropes, has a greater load-bearing capacity and safety redundancy, and is more impact-resistant. At the same time, when the workers' movement directions are inconsistent, at the time of intersection, the shuttles on both sides of the staggered seat pass through the staggered seat from both sides of the staggered seat respectively, and exchange positions by themselves, which is more convenient for workers to use.

[0020] Furthermore, the number of times workers have to walk towards the safety rope is reduced, so workers can spend more time on work and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only embodiments of the present invention. Those skilled in the art can also derive other drawings based on the provided drawings without inventive work.

[0022] Figure 1 This is a schematic structural diagram of embodiment 1 of the present invention;

[0023] Figure 2 Schematic diagram of the staggered seat and the shuttle in the first embodiment of the present invention;

[0024] Figure 3 It is a side view of the first embodiment of the present invention;

[0025] Figure 4 A side view of the shuttle passing over the staggered seat in the first embodiment of the present invention;

[0026] Figure 5 Schematic diagram of the adjusting member in the first embodiment of the present invention;

[0027] Figure 6 It is a side view of the second embodiment of the present invention;

[0028] Figure 7 It is a front view of the second embodiment of the present invention.

[0029] In the figure: 1. fixed seat; 2. staggered seat; 3. first locking buckle; 4. safety rope; 5. shuttle; 6. sliding sleeve; 7. movable baffle; 8. rope ring; 9. first guide member; 10. second guide member; 11. guide block; 12. connecting plate; 13. adjusting member; 131. positioning spring; 132. limit plate; 133. spring; 134. box; 14. permanent magnet; 15. blocking plate; 16. driving block. DETAILED DESCRIPTION

[0030] 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.

[0031] For example 1, please refer to Figures 1-4, a fall prevention device for metal roof construction, comprising a staggered seat 2 and a shuttle 5, the staggered seat 2 is installed on the metal roof through a fixed seat 1, and the fixed seat 1 is fixed to the metal roof through embedded parts and fastening bolts. In other embodiments, the fixed seat 1 can also be fixed to the lock edge of the metal roof through a clamping device, the staggered seat 2 is fixed to the fixed seat 1 through fastening bolts, both sides of the staggered seat 2 are connected with a first lock buckle 3 through a connecting plate 12, the first lock buckle 3 is connected to a safety rope 4, and both ends of the safety rope 4 are connected to a fixing piece set on the ground or wall through a basket bolt. The two safety ropes 4 are in a taut state, and both ends of the shuttle 5 are provided with a sliding sleeve 6, two The sliding sleeve 6 is set on the two safety ropes 4, and a rope ring 8 is provided above the shuttle 5. The safety rope lock is hung on the rope ring 8. Two groups of movable baffles 7 are provided below the shuttle 5. The two groups of movable baffles 7 correspond to the two sliding sleeves 6 respectively. The sliding sleeve 6 and the movable baffle 7 are combined into a waist hole. The waist hole surrounds the safety rope 4 so that the safety rope 4 will not escape from the space surrounded by the sliding sleeve 6 and the movable baffle 7. A gap is left in the space surrounded by the sliding sleeve 6 and the movable baffle 7. The size of the gap is moderate. The safety rope 4 cannot pass through the gap, but the connecting plate 12 can pass through the gap. The movable baffle 7 is slidably connected to the shuttle 5. The movable baffle 7 is transmission-connected with a guide block 11. The two ends of the staggered seat 2 are connected to the guide block 11 corresponds to the first guide member 9, and the two first guide members 9 are arranged diagonally. When the shuttle 5 approaches the staggered seat 2 from one side, the first guide member 9 on one side contacts the guide block 11 on the other side, causing the movable baffle 7 to slide, and the gap is expanded to allow the safety rope 4 to escape. Two sets of second guide members 10 are provided at both ends of the staggered seat 2. As the shuttle 5 continues to approach the staggered seat 2, the guide block 11 continues to slide on the second guide member 10. The interaction between the guide block 11 and the second guide 10 causes the shuttle 5 to rotate around the safety rope 4 that has not escaped. The rotation angle is greater than 60 degrees, so that the vertical projection length of the shuttle 5 is less than half the length of the shuttle 5, and the shuttle 5 temporarily stops moving. , and when the shuttle 5 on the other side of the staggered seat 2 moves toward the staggered seat 2, since the two first guide members 9 are arranged diagonally, the shuttle 5 on the other side rotates around the safety rope 4 on the other side, and the shuttles 5 on both sides rotate around the two safety ropes 4 respectively when passing through the staggered seat 2. Therefore, when the shuttles 5 on both sides of the staggered seat 2 intersect at the position where the staggered seat 2 is located, they will stagger themselves and interfere with each other complementaryly. The shuttle 5 continues to move and will move along the second guide member 10 on the opposite side and gradually become horizontal. After passing through the second guide member 10, the sliding sleeve 6 and the movable baffle 7 surround the safety rope 4 again. At the same time, the guide block 11 loses the constraints of the first guide member 9 and the second guide member 10, driving the movable baffle 7 to reset.

[0032] The connecting plate 12 is "L"-shaped. The angle between the gap between the sliding sleeve 6 and the movable baffle 7 and the horizontal plane is the same as the maximum rotation angle of the shuttle 5. The rotation angle of the shuttle 5 is determined by the torsion angle of the second guide member 10. The torsion axis of the second guide member 10 is the axis of the safety rope 4. After the shuttle 5 rotates, the gap is aligned with the connecting plate 12. When the shuttle 5 does not rotate, there is an angle between the gap and the horizontal direction, and the safety rope 4 will not approach the gap.

[0033] See also Figure 3-Figure 5 , the guide block 11 and the first guide member 9 drive the shuttle 5 to move laterally as a whole, the mobile baffle 7 is connected to the shuttle 5 through the adjusting member 13, any mobile baffle 7 can be extended and retracted relative to the adjusting member 13, the adjusting member 13 includes a positioning spring 131 and a box 134, the shuttle 5 and the box 134 are fixedly connected, the mobile baffles 7 on both sides are connected as a whole by a connecting rod, the connecting rod passes through the box 134, the positioning spring 131 makes the mobile baffle 7 in a centered state, when centered, the gaps surrounded by the sliding sleeves 6 and the mobile baffles 7 on both sides are in the smallest state, the middle of the mobile baffle 7 is provided with a positioning plate, and both sides of the positioning plate are provided with The positioning spring 131 and the positioning springs 131 on both sides keep the movable baffle 7 in a centered state. The end of the movable baffle 7 is composed of a vertical segment and an arc segment. When the guide block 11 and the first guide member 9 interact with each other, for example, the shuttle 5 moves to the right, the movable baffle 7 on the right presses against the safety rope 4, and the right movable baffle 7 is subjected to force and shrinks relative to the adjustment member 13. The gap on the right becomes larger. As the shuttle 5 continues to move, the first guide member 9 and the second guide member 10 interact to rotate the shuttle 5, and the safety rope 4 escapes from the gap. During the escape process of the safety rope 4, the movable baffle 7 is squeezed to further retract the movable baffle 7.

[0034] The guide block 11 is fixedly connected to the limit plate 132, and the guide block 11 is also moved downwards, that is, the first guide member 9 is tilted left and right, and there is also an up and down tilt. The guide block 11 is in the shape of a "T". The guide block 11 moves downwards and pulls the limit plate 132, so that the limit plate 132 is disengaged from the movable baffle 7.

[0035] The second guide member 10 is a T-shaped slot, and the first guide member 9 guides the guide block 11 into the T-shaped slot. The bottom of the guide block 11 is a semi-cylinder, which facilitates the sliding of the guide block 11 in the second guide member 10. The second guide member 10 locks the first guide member 9, so that the shuttle 5 and the staggered seat 2 form a whole relative to each other. The shuttle 5 can transmit the force to the escaped safety rope 4 through the staggered seat 2, ensuring that both safety ropes are under force at any time.

[0036] Example 2: In Example 1, one-to-one and many-to-one intersections can be achieved very well. When workers move in different directions, they can complete the intersection without untying the safety rope lock. However, it cannot achieve one-to-many and many-to-many intersections. In addition, it is relatively troublesome to have to intersect at the location of the fixed seat 1. Therefore, based on Example 1, the setting mode of the staggered seat 2 is changed, and the staggered seat 2 is changed from fixed to sliding. Please refer to Figure 6 and Figure 7 There is a staggered seat 2 between each of the two adjacent shuttles 5. Since the shuttle 5 needs to overcome the elastic force between the adjusting member 13 and the movable baffle 7 to move toward the staggered seat 2, this elastic force is greater than the resistance of the staggered seat 2 sliding along the safety rope 4. Therefore, the staggered seat 2 will be pushed to move by the shuttle 5. The first lock buckle 3 is provided with a sliding groove, and the gap between the sliding sleeve 6 and the movable baffle 7 is in the same relative position as the sliding groove. Through the gap and the sliding groove, the staggered seat 2 and the shuttle 5 can smoothly pass through the support between the fixed seat 1 and the safety rope 4.

[0037] When any two workers meet, the two shuttles 5 pass through the two sides of the staggered seat 2 respectively. After passing, there is still a staggered seat 2 between the two shuttles 5, and many-to-one or many-to-many meeting can be used.

[0038] In order to ensure that the two shuttles 5 can smoothly intersect on the staggered seat 2, two sets of blocking plates 15 are provided on the staggered seat 2. The blocking plates 15 are close to the edge of the staggered seat and are rotationally symmetrical. The blocking plates 15 pass through the staggered seat 2 and are movably connected to the staggered seat 2. One end of the blocking plate 15 can be retracted relative to the staggered seat 2. The blocking plate 15 remains in an extended state under the action of elastic force. The other end of the blocking plate 15 is provided with a permanent magnet 14. The bottom of the shuttle 5 is provided with a driving block 16 corresponding to the blocking plate 15. The driving block 16 and the blocking plate 15 appear to be attracted to each other. When the two shuttles 5 intersect, the shuttle 5 on one side may first cross the staggered seat 2. When the shuttle 5 overlaps with the staggered seat 2, the shuttle 5 is blocked by the blocking plate 15. At the same time, the driving block 16 on the shuttle 5 drives the other blocking plate 15 to retract. After the shuttle 5 on this side is stopped, the shuttle 5 on the other side begins to move toward the staggered seat 2. When the shuttle 5 on the other side also reaches the top of the staggered seat 2, the driving block 16 drives the blocking plate 15 to retract through the permanent magnet 14, releasing the shuttle 5. The two shuttles 5 continue to move and complete the position exchange.

[0039] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fall prevention device for metal roof construction, comprising: Two sets of safety ropes (4), wherein the safety ropes (4) are installed on the metal roof in a stretched state, and are characterized by further comprising: A shuttle (5) connected to the safety rope, wherein both ends of the shuttle (5) are provided with a sliding sleeve (6) and a movable baffle (7), the sliding sleeve (6) and the movable baffle (7) are combined into a waist hole, and a gap is left in the waist hole, the size of the gap changes with the movement of the movable baffle (7), and when the gap is the smallest, the safety rope (4) cannot pass through the gap; A guide block (11) drives the movable baffle (7) and the shuttle (5) to move; A staggered seat (2) is provided at both ends of the staggered seat (2) with a first guide member (9) and two groups of second guide members (10). The two first guide members (9) are arranged diagonally. When the guide block (11) moves along the first guide member (9), the gap on one side becomes larger to allow the safety rope (4) to escape. When the guide block (11) moves along the two groups of second guide members (10), the shuttle (5) rotates around the safety rope (4) that has not escaped. After the shuttle (5) passes over the staggered seat (2), it is reset under the guidance of the second guide member (10) on the other side.

2. The anti-fall device for metal roof construction according to claim 1, characterized in that: Both sides of the staggered seat (2) are connected to a first lock buckle (3) via a connecting plate (12), and the first lock buckle (3) is connected to a safety rope (4). The connecting plate (12) can pass through the smallest gap. The connecting plate (12) is "L"-shaped. The angle between the gap and the horizontal plane is the same as the maximum rotation angle of the shuttle (5). After the shuttle (5) rotates, the gap is exactly aligned with the connecting plate (12).

3. The anti-fall device for metal roof construction according to claim 2, characterized in that: The staggered seat (2) is installed on the metal roof via the fixed seat (1), and the staggered seat (2) is fixed to the fixed seat (1) via fastening bolts.

4. The anti-fall device for metal roof construction according to claim 2, characterized in that: A set of staggered seats (2) is provided between two adjacent shuttles (5), and the staggered seats (2) slide on the safety rope (4) through a first lock buckle (3). The first lock buckle (3) is provided with a slide groove, and the gap between the sliding sleeve (6) and the movable baffle (7) has the same relative position as the slide groove.

5. The anti-fall device for metal roof construction according to claim 4, characterized in that: Both sides of the staggered seat (2) are provided with blocking plates (15), which pass through the staggered seat (2) and are movably connected to the staggered seat (2). Under the action of elastic force, the blocking plate (15) maintains an extended state on one side and can block the shuttle (5) from continuing to pass. The other end of the blocking plate (15) is provided with a permanent magnet (14). The bottom of the shuttle (5) is provided with a driving block (16) corresponding to the blocking plate (15). The driving block (16) and the blocking plate (15) are attracted to each other, and the suction force can drive the blocking plate (15) to retract into the staggered seat (2) to release the shuttle (5). The two blocking plates (15) are rotationally symmetrical.

6. A falling prevention device for metal roof construction according to claim 3 or 5, characterized in that: The guide block (11) and the first guide member (9) act to drive the shuttle (5) to move laterally as a whole. The movable baffle (7) is connected to the shuttle (5) through the adjustment member (13). The movable baffle (7) on either side can be extended and retracted relative to the adjustment member (13). The adjustment member (13) includes a positioning spring (131) and a box (134). The shuttle (5) and the box (134) are fixedly connected. The movable baffles (7) on both sides are slidably connected to the box (134). The positioning spring (131) keeps the movable baffle (7) in an extended state. The end of the movable baffle (7) consists of a vertical segment and an arc segment. The horizontal projection of the safety rope (4) is on the vertical segment.

7. The anti-fall device for metal roof construction according to claim 6, characterized in that: A limit plate (132) is provided in the box body (134), and the limit plate (132) is movably connected to the box body (134) through a positioning rod. A spring (133) is provided between the limit plate (132) and the box body (134), and the spring (133) causes the limit plate (132) to be in close contact with the movable baffle (7). When the limit plate (132) is in close contact with the movable baffle (7), the movable baffle (7) cannot move. The guide block (11) is fixedly connected to the limit plate (132). When the guide block (11) and the first guide member (9) interact with each other, the guide block (11) will also move downward. The guide block (11) is in a "T" shape.

8. The anti-fall device for metal roof construction according to claim 7, characterized in that: The second guide member (10) is a T-shaped slot. The second guide member (10) and the first guide member (9) are connected end to end to guide the guide block (11) into the T-shaped slot. The bottom of the guide block (11) is a semi-cylinder.

Images