Metal roof anti-fall device

Abstract

The present invention relates to the technical field of roof fall prevention, specifically a metal roof fall prevention device, comprising a crossbar and a safety rope, wherein the crossbar is fixedly connected to a plurality of fixing seats for fixing the crossbar to the roof, and the crossbar is slidably connected to a sliding fastener, and the safety rope includes a spring fastener fixedly connected to its end, and a buckle groove for the spring fastener to be inserted is provided through the sliding fastener. The present invention improves the safety of roof maintenance or cleaning work by using the sliding fastener and the auxiliary fastener to bear the load at two force points, and the first and second magnets of the same polarity on the same side of the sliding fastener and the auxiliary fastener repel each other magnetically, so that the sliding fastener and the auxiliary fastener can always remain separated, ensuring that there are multiple force points on the crossbar to pull and support the person when a person falls, and the diameter of the hanging ring is smaller than the diameter of the sliding hole, so that the sliding fastener and the auxiliary fastener can move freely on the crossbar, which can meet the needs of the staff to move freely on the entire roof.

Description

Technical Field

[0001] The invention relates to the technical field of roof fall prevention, in particular to a metal roof fall prevention device. Background Art

[0002] When performing roof repairs or clearing debris, workers must use climbing equipment to access the rooftop. Due to the high rooftop's height, there's a risk of falling, posing a significant safety hazard. During the work process, workers must take measures to prevent falls. Furthermore, since the work may cover the entire roof, safety measures must be in place to allow workers to move freely across the rooftop. Summary of the Invention

[0003] The purpose of the present invention is to provide a metal roof anti-fall device to solve the problem raised in the above background technology that the roof is high and there is a risk of falling, which poses a great safety hazard. During the working process, measures are needed to ensure one's own safety and prevent falling from the roof.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a metal roof anti-fall device, comprising a cross bar and a safety rope, wherein the cross bar is fixedly connected to a plurality of fixing seats for fixing the cross bar to the roof, the cross bar is slidably connected to a sliding fastener, the safety rope includes a spring buckle fixedly connected to its end, a buckle groove for the spring buckle to be inserted is penetrated through the sliding fastener, a first magnet with the same polarity is fixedly connected to one side of the sliding fastener, a secondary fastener is slidably connected to the cross bar, a second magnet with the same polarity is fixedly connected to one side of the secondary fastener, and the second magnet with the same polarity repel the first magnet with magnetic force; a secondary rope is provided in the secondary fastener, one end of the secondary rope is provided with a winding member for adjusting the length of the secondary rope, and the other end of the secondary rope is provided with a rope pressure buckle for fixing to the safety rope.

[0005] Preferably, the fixing seat includes a plurality of hanging rings, an upper fixing frame, a lower fixing frame, a plurality of fixing bolts, a plurality of positioning bolts, and two pads. The hanging rings are fixedly connected to the cross bar, and sliding holes are penetrated in the sliding fasteners and the auxiliary fasteners. The sliding holes are slidably connected to the cross bar, and the diameter of the hanging rings is smaller than the diameter of the sliding holes. A plurality of threaded fixing holes are penetrated in the upper fixing frame and the lower fixing frame, and the fixing bolts are threadedly connected to the threaded fixing holes. The upper fixing frame is fixedly connected to the hanging rings, and a plurality of threaded positioning holes compatible with the positioning bolts are penetrated in the upper fixing frame, the pads, and the lower fixing frame, and the positioning bolts are threadedly connected to the threaded positioning holes.

[0006] Preferably, the winding member includes a rope winding roller, a gear, a rack and a retaining spring, a winding opening is opened through the auxiliary fastener, a driving shaft is rotatably connected to the winding opening, the rope winding roller is fixedly connected to the driving shaft, the auxiliary rope is wound around the rope winding roller, the gear is fixedly connected to one end of the driving shaft, a rotating opening for the gear to rotate is opened in the auxiliary fastener, a slot is opened in the rotating opening, the rack is slidably connected to the slot, one side of the rack is meshed with the gear, the other side of the rack is fixedly connected to the retaining spring, and the retaining spring is fixedly connected to the inner wall of the slot.

[0007] Preferably, a push rod is fixedly connected to one side of the rack, and a push-pull opening adapted to the push rod is provided in the auxiliary fastener, and the push-pull opening is arranged on one side of the rope winding roller.

[0008] Preferably, a sleeve is fixedly connected in the slot, a sleeve is slidably provided in the sleeve, the sleeve is fixedly connected to the rack, a plurality of limiting holes are provided in the cross bar, a polygonal column is inserted in the limiting hole, a semicircular end head is fixedly connected to the bottom of the polygonal column, two limiting strips are symmetrically fixed at the connection between the polygonal column and the semicircular end head, a limiting opening adapted to the limiting strip is provided in the cross bar, a transmission groove is provided in the cross bar, a transmission rod is slidably connected in the transmission groove, a plurality of ladder blocks are fixedly connected to the outer side of the transmission rod, and a plurality of ladder blocks adapted to the ladder blocks are provided in the cross bar. The transmission port, the limit hole is connected to the internal part of the transmission port at the corresponding position, the semicircular end is overlapped with the ladder block, the bottom of the transmission rod is fixedly connected with a plurality of short-circuit bars, and a plurality of driving ports adapted to the short-circuit bars are opened in the cross bar. The driving port is fixedly connected with an electric telescopic rod, and the telescopic end of the electric telescopic rod is fixedly connected with the short-circuit bar. The sliding fastener and the auxiliary fastener are fixedly connected with a line speed sensor, and the cross bar is fixedly connected with a controller, and a data processing module and a database module are provided in the controller. The line speed sensor and the electric telescopic rod are both connected with the controller signal.

[0009] The cam is fixedly provided with a toothed plate and a toothed plate, and the toothed plate is fixedly provided with a toothed plate and a toothed plate, and the toothed plate is fixedly provided with a toothed plate and a toothed plate.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] By fixing the cross bar on the metal roof, connecting the safety rope tied to the person through the sliding fastener and the auxiliary fastener, and separating the sliding fastener and the auxiliary fastener at a larger distance when in use, when a person slips, the sliding fastener and the auxiliary fastener share the force and bear the load, which improves the safety of roof maintenance or cleaning work. The first magnet with the same pole and the second magnet with the same pole on the same side of the sliding fastener and the auxiliary fastener magnetically repel each other, so that the sliding fastener and the auxiliary fastener can always remain separated, ensuring that there are multiple force points on the cross bar to pull and support the person when he falls, and the diameter of the hanging ring is smaller than the diameter of the sliding hole, so that the sliding fastener and the auxiliary fastener can move freely on the cross bar, which can meet the needs of the staff to move freely on the entire roof. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0013] Figure 2 Schematic diagram of the structure of the lower fixing frame in the present invention;

[0014] Figure 3 Schematic diagram of the structure of the sliding fastener in the present invention;

[0015] Figure 4 Schematic diagram of the structure of the auxiliary fastener in the present invention;

[0016] Figure 5 Schematic diagram of the structure of the rope winding roller in the present invention;

[0017] Figure 6 This is a schematic structural diagram of the medium-pressure rope buckle of the present invention;

[0018] Figure 7Schematic diagram of the structure of the telescopic plate in the present invention;

[0019] Figure 8 Schematic diagram of the structure of the crossbar in the present invention;

[0020] Figure 9 for Figure 8 A magnified view of the structure at point A in the middle.

[0021] In the figure: 1. horizontal bar;

[0022] 2. Fixing seat; 201. Hanging ring; 202. Upper fixing frame; 203. Lower fixing frame; 204. Fixing bolt; 205. Positioning bolt; 206. Pad;

[0023] 3. Sliding fastener; 301. Buckle slot; 302. First same-pole magnet;

[0024] 4. Auxiliary fastener; 401. Rope winding roller; 402. Second magnet of the same polarity; 403. Auxiliary rope; 404. Rope pressing buckle; 405. Push rod; 406. Circlip; 407. Rack; 408. Gear; 409. Bushing; 410. Telescopic plate; 411. Return spring; 412. Nut; 413. Threaded rod; 414. Rotating shaft; 415. Force application plate; 416. Polygonal block;

[0025] 5. Transmission rod; 6. Electric telescopic rod; 7. Short-circuit bar; 8. Ladder block; 9. Polygonal column; 10. Semicircular end; 11. Limit strip. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figures 1-9 , an embodiment provided by the present invention:

[0028] A metal roof anti-fall device includes a crossbar 1 and a safety rope. The crossbar 1 is fixedly connected to a plurality of fixing seats 2 for fixing the crossbar 1 to the roof. A sliding fastener 3 is slidably connected to the crossbar 1. The safety rope includes a spring fastener fixedly connected to its end. A buckle groove 301 for the spring fastener to be inserted is provided in the sliding fastener 3. A first magnet 302 with the same polarity is fixedly connected to one side of the sliding fastener 3. An auxiliary fastener 4 is slidably connected to the crossbar 1. A second magnet 402 with the same polarity is fixedly connected to one side of the auxiliary fastener 4. The second magnet 402 with the same polarity repel the first magnet 302 with the same polarity. A secondary rope 403 is provided in the auxiliary fastener 4. , one end of the auxiliary rope 403 is provided with a winding piece for adjusting the length of the auxiliary rope 403, and the other end of the auxiliary rope 403 is provided with a pressure rope buckle 404 for fixing to the safety rope. By fixing the cross bar 1 to the metal roof, the fixing seat 2 includes multiple hanging rings 201, an upper fixing frame 202, a lower fixing frame 203, multiple fixing bolts 204, multiple positioning bolts 205, and two pads 206. The hanging ring 201 is fixedly connected to the cross bar 1, and sliding holes are opened through the sliding fastener 3 and the auxiliary fastener 4. The sliding hole is slidably connected to the cross bar 1. The diameter of the hanging ring 201 is smaller than the diameter of the sliding hole. The upper fixing frame 202 and the lower fixing frame 2 03 are provided with a plurality of threaded fixing holes, the fixing bolts 204 are threadedly connected with the threaded fixing holes, the upper fixing frame 202 is fixedly connected with the hanging ring 201, the upper fixing frame 202, the pad 206 and the lower fixing frame 203 are provided with a plurality of threaded positioning holes adapted to the positioning bolts 205, the positioning bolts 205 are threadedly connected with the threaded positioning holes, and the safety rope tied to the person is connected through the sliding fastener 3 and the auxiliary fastener 4. When in use, the sliding fastener 3 and the auxiliary fastener 4 are separated by a large distance and used. When a person slips, the load-bearing capacity of the two force points of the sliding fastener 3 and the auxiliary fastener 4 is increased. The safety of roof maintenance or cleaning work is improved, and the first strong magnet 302 and the second strong magnet 402 of the same pole on the same side of the sliding fastener 3 and the auxiliary fastener 4 repel each other magnetically, so that the sliding fastener 3 and the auxiliary fastener 4 can always remain separated, ensuring that there are multiple force points on the cross bar 1 to pull and support the person when a person falls, and the diameter of the hanging ring 201 is smaller than the diameter of the sliding hole, so that the sliding fastener 3 and the auxiliary fastener 4 can move freely on the cross bar 1, which can meet the needs of workers to move freely on the entire roof. The specific material of the safety rope and the auxiliary rope is determined by the environmental conditions of use, and suitable materials can be selected to achieve the purpose of fall prevention;

[0029] During installation, fix the fixing base 2 on the roof surface.

[0030] See also Figure 4 、 Figure 5406 is fixedly connected to the inner wall of the slot, and a push rod 405 is fixedly connected to the rack 407. The opening is provided on one side of the rope winding roller 401. In the initial state, the meshing between the rack 407 and the gear 408 fixes the rope winding roller 401 to limit its rotation, so that the length of the auxiliary rope 403 extending outside the auxiliary fastener 4 is fixed. By applying force to the push rod 405 to control the rack 407 to move away from the gear 408, the clamping spring 406 is compressed and deformed under force. At this time, the rope winding roller 401 resumes its movable state, and then force is applied to the auxiliary rope 403 to extract the appropriate length according to the use demand. Then the force applied to the push rod 405 is cancelled, and the elastic force of the clamping spring 406 drives the rack 407 to move back to its original position and mesh with the gear 408. Then force is applied to rotate the rope winding roller 401 until it is difficult to rotate, so that the teeth of the gear 408 and the rack 407 are fully meshed and kept stable, and the length of the auxiliary rope 403 can be adjusted.

[0031] It should be noted that the setting of the push rod 405 enables personnel to easily control the movement of the rack 407, thereby facilitating manual force to move the rack 407 and disconnect the connection with the gear 408. A rope outlet for the sliding of the auxiliary rope 403 is provided in the auxiliary fastener 4. The rope outlet is provided with a chamfered corner to reduce friction between the auxiliary rope 403 and the auxiliary rope 403. A sleeve is fixedly connected to the card slot, and a sleeve column is slidably provided in the sleeve. The sleeve column is fixedly connected to the rack 407. The movement of the rack 407 is guided by the relative sliding between the sleeve and the sleeve column.

[0032] See also Figure 6 、 Figure 7In this embodiment, the pressure rope buckle 404 includes a sleeve plate 409, a telescopic plate 410, a return spring 411, a nut 412, a threaded rod 413, a rotating shaft 414, a force disk 415 and a polygonal block 416. A driving groove adapted to the sleeve plate 409 is provided in the pressure rope buckle 404, and the threaded rod 413 is rotatably connected to the driving groove. A through hole for the threaded rod 413 to pass through is provided in the sleeve plate 409, and the nut 412 is fixedly connected inside the through hole. The nut 412 is threadedly connected to the threaded rod 413. One end of the rotating shaft 414 is fixedly connected to the threaded rod 413, and the other end of the rotating shaft 414 is fixed to the polygonal block 416. A force disk 415 is sleeved on the polygonal block 416, and a polygonal groove adapted to the polygonal block 416 is provided in the force disk 415. The top of the device is fixedly connected with two positioning bars, a limiting hole adapted to the positioning bar is provided in the pressure rope buckle 404, a sleeve adapted to the telescopic plate 410 is provided in the sleeve plate 409, the telescopic plate 410 is slidably connected to the sleeve, one end of the return spring 411 is fixedly connected to the telescopic plate 410, and the other end of the return spring 411 is fixedly connected to the sleeve, and the telescopic plate 410 is pressed to shrink toward the inside of the sleeve plate 409, and the return spring 411 is deformed under force, and then the safety rope is passed through the sleeve plate 409, and then the force applied to the telescopic plate 410 is cancelled, and the elastic force of the return spring 411 drives the The telescopic plate 410 is moved and reset, and then force is applied to the force disc 415 to pull the positioning bar out of the limiting hole, and the force disc 415 is docked with the polygonal block 416. Then force is applied to the force disc 415 to rotate the rotating shaft 414 and the threaded rod 413 connected in sequence, while the sleeve plate 409 cannot rotate due to the width limit of the driving groove. The cooperation of the nut 412 and the threaded rod 413 drives the sleeve plate 409 to move and squeeze the safety rope to achieve the purpose of fixation. Then the force disc 415 is pushed to reset it and disengage it from the polygonal block 416, so that the positioning bar is inserted into the limiting hole, fixing the position of the force disc 415.

[0033] See also Figure 8 、 Figure 9In this embodiment, a plurality of limit holes are provided in the cross bar 1, and a polygonal column 9 is inserted into the limit hole. The bottom of the polygonal column 9 is fixedly connected with a semicircular end 10. Two limit strips 11 are symmetrically fixed at the connection between the polygonal column 9 and the semicircular end 10. A limit opening adapted to the limit strip 11 is provided in the cross bar 1, a transmission groove is provided in the cross bar 1, a transmission rod 5 is slidably connected in the transmission groove, and a plurality of ladder blocks 8 are fixedly connected to the outside of the transmission rod 5. A plurality of transmission openings adapted to the ladder blocks 8 are provided in the cross bar 1, and the limit holes The transmission port at the corresponding position is connected to the inside, the semicircular end 10 is overlapped with the ladder block 8, the bottom of the transmission rod 5 is fixedly connected with a plurality of short-circuit bars 7, a plurality of driving ports adapted to the short-circuit bars 7 are opened in the cross bar 1, an electric telescopic rod 6 is fixedly connected in the driving port, and the telescopic end of the electric telescopic rod 6 is fixedly connected to the short-circuit bar 7. The sliding fastener 3 and the auxiliary fastener 4 are fixedly connected with a line speed sensor, the cross bar 1 is fixedly connected with a controller, the controller is provided with a data processing module and a database module, the line speed sensor, the electric The telescopic rods 6 are all connected to the controller signal, and the normal sliding speed value range of the sliding fasteners 3 and the auxiliary fasteners 4 is input and stored in the database module in advance. During normal use, the linear speed sensor transmits the measured data to the data processing module for comparison with the data stored in the database module. When a person falls, the sliding speed of the sliding fastener 3 and the auxiliary fastener 4 will be too fast. The linear speed sensor detects and transmits the data to the data processing module in control. The controller controls the electric telescopic rod 6 to be powered on, so that the short-circuit bar 7, transmission rod 5 and ladder block 8 connected in sequence move, and the inclined surface of the ladder block 8 is used to squeeze the semicircular end 10, and the semicircular end 10 pushes the polygonal column 9 to extend to the outside of the cross bar 1. The setting of the limit bar 11 limits the movement range of the polygonal column 9 to prevent it from being squeezed out and falling off by the ladder block 8. The polygonal column 9 blocks the movement of the sliding fastener 3 and the auxiliary fastener 4, thereby ensuring that the distance between the sliding fastener 3 and the auxiliary fastener 4 is large enough when a person falls, so that the buffer angle during the fall is within the effective range, further improving the safety of the staff during operation.

[0034] Working principle: During installation, fix the fixing seat 2 on the roof surface, select the number of installation cross bars 1 according to the area of ​​the roof, and then splice multiple cross bars 1 into two sections of a whole and install anti-falling plates to prevent the sliding fastener 3 and the auxiliary fastener 4 from sliding off when they slide to the end of the cross bar 1. The normal sliding speed value range of the sliding fastener 3 and the auxiliary fastener 4 is entered and stored in the database module in advance. During normal use, the line speed sensor transmits the measured data to the data processing module for comparison with the data stored in the database module. In the initial state, the sliding fastener 3 and the auxiliary fastener 4 are both on the cross bar 1, and the engagement between the rack 407 and the gear 408 fixes the rope winding roller 401 to limit rotation, so that the auxiliary rope 403 is fixed to the length outside the auxiliary fastener 4. , by applying force to the push rod 405 to control the rack 407 to move away from the gear 408, the retaining spring 406 is compressed and deformed by the force, and the rope winding roller 401 resumes its movable state, and then force is applied to the auxiliary rope 403 to pull out the appropriate length according to the use requirements, and then the force applied to the push rod 405 is cancelled, and the elastic force of the retaining spring 406 drives the rack 407 to move and reset and mesh with the gear 408, and then force is applied to rotate the rope winding roller 401 until it is difficult to rotate, so that the teeth of the gear 408 and the rack 407 are fully meshed and remain stable, and the length of the auxiliary rope 403 is adjusted. After that, the personnel wear the safety rope and buckle the spring buckle at the buckle groove 301 according to the conventional operation in the prior art, and press the telescopic plate 410 to make it retract toward the inside of the sleeve plate 409, and the reset spring The spring 411 is then released to release the spring 412, which is then released to release the spring 413. The spring 413 is released to release the spring 414, which is then released to release the spring 415. 5 is fixed in position, the connection between the pressure rope buckle 404 and the safety rope can be completed. When in use, the sliding fastener 3 and the auxiliary fastener 4 are separated by a large distance, and personnel can perform maintenance or cleaning on the roof. When a person slips, the two force points of the sliding fastener 3 and the auxiliary fastener 4 share the force and bear the load, which improves the safety of the roof maintenance or cleaning work. The first and second strong magnets 302 and 402 of the same polarity on the same side of the sliding fastener 3 and the auxiliary fastener 4 repel each other magnetically, so that the sliding fastener 3 and the auxiliary fastener 4 can always remain separated. In normal use, the line speed sensor transmits the measured data to the data processing module for comparison with the data stored in the database module. When a person falls, the sliding speed of the sliding fastener 3 and the auxiliary fastener 4 will be too fast.The line speed sensor detects and transmits data to the data processing module in the control, which controls the electric telescopic rod 6 to be powered on and started by the controller, so that the short-circuit bar 7, transmission rod 5 and ladder block 8 connected in sequence move, and the inclined surface of the ladder block 8 squeezes the semicircular end 10, and the semicircular end 10 pushes the polygonal column 9 to extend to the outside of the cross bar 1, and the setting of the limit bar 11 limits the movement range of the polygonal column 9 to prevent it from being squeezed out and falling off by the ladder block 8, and the polygonal column 9 blocks the movement of the sliding fastener 3 and the auxiliary fastener 4, so as to ensure that the distance between the sliding fastener 3 and the auxiliary fastener 4 is large enough when a person falls, so that the buffer angle during the fall is within the effective range, further improving the safety of the staff during operation, and ensuring that there are multiple force points on the cross bar 1 to pull and support the person when a person falls, and the diameter of the hanging ring 201 is smaller than the diameter of the sliding hole. Figure 3 and Figure 4 One side of the sliding fastener 3 and the auxiliary fastener 4 is provided with an opening that can pass through the upper fixing frame 202, so that the sliding fastener 3 and the auxiliary fastener 4 can move freely on the cross bar 1, which can meet the needs of the staff to move freely on the entire roof.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A metal roof anti-fall device, characterized in that: The invention comprises a cross bar (1) and a safety rope, wherein the cross bar (1) is fixedly connected with a plurality of fixing seats (2) for fixing the cross bar (1) to a roof, the cross bar (1) is slidably connected with a sliding fastener (3), the safety rope comprises a spring fastener fixedly connected at its end, a buckle groove (301) for the spring fastener to be inserted is provided in the sliding fastener (3), one side of the sliding fastener (3) is fixedly connected with a first magnet (302) of the same polarity, the cross bar (1) is slidably connected with an auxiliary fastener (4), one side of the auxiliary fastener (4) is fixedly connected with a second magnet (402) of the same polarity, the second magnet (402) and the first magnet (302) of the same polarity magnetically repel each other; the auxiliary fastener (4) is provided with an auxiliary rope (403), one end of the auxiliary rope (403) is provided with a winding member for adjusting the length of the auxiliary rope (403), and the other end of the auxiliary rope (403) is provided with a rope pressure buckle (404) for fixing to the safety rope; The crossbar (1) is provided with a plurality of limiting holes, and a multi-prism (9) is inserted into the limiting holes. The bottom of the multi-prism (9) is fixedly connected with a semicircular end head (10). Two limiting strips (11) are symmetrically fixedly provided at the connection between the multi-prism (9) and the semicircular end head (10). The crossbar (1) is provided with a limiting opening adapted to the limiting strip (11). The crossbar (1) is provided with a transmission groove, and a transmission rod (5) is slidably connected to the transmission groove. The outer side of the transmission rod (5) is fixedly connected with a plurality of ladder blocks (8). The crossbar (1) is provided with a plurality of transmission openings adapted to the ladder blocks (8). The limiting holes are adapted to the transmission strips at corresponding positions. The movable opening is internally connected, the semicircular end (10) is overlapped with the ladder block (8), the bottom of the transmission rod (5) is fixedly connected with a plurality of short-circuit bars (7), the cross bar (1) is provided with a plurality of driving openings adapted to the short-circuit bars (7), the driving opening is fixedly connected with an electric telescopic rod (6), the telescopic end of the electric telescopic rod (6) is fixedly connected with the short-circuit bar (7), the sliding fastener (3) and the auxiliary fastener (4) are both fixedly connected with a line speed sensor, the cross bar (1) is fixedly connected with a controller, the controller is provided with a data processing module and a database module, and the line speed sensor and the electric telescopic rod (6) are both connected to the controller signal.

2. A metal roof anti-fall device according to claim 1, characterized in that: The fixing seat (2) comprises a plurality of hanging rings (201), an upper fixing frame (202), a lower fixing frame (203), a plurality of fixing bolts (204), a plurality of positioning bolts (205), and two pads (206). The hanging rings (201) are fixedly connected to the cross bar (1). The sliding fasteners (3) and the auxiliary fasteners (4) are both provided with sliding holes. The sliding holes are slidably connected to the cross bar (1). The diameter of the hanging rings (201) is smaller than the diameter of the sliding holes. A plurality of threaded fixing holes are provided through the upper fixing frame (202) and the lower fixing frame (203), the fixing bolts (204) are threadedly connected to the threaded fixing holes, the upper fixing frame (202) is fixedly connected to the hanging ring (201), and a plurality of threaded positioning holes compatible with the positioning bolts (205) are provided through the upper fixing frame (202), the pad (206) and the lower fixing frame (203), and the positioning bolts (205) are threadedly connected to the threaded positioning holes.

3. The metal roof anti-fall device according to claim 1, characterized in that: The winding member comprises a rope winding roller (401), a gear (408), a rack (407) and a retaining spring (406); a winding opening is provided in the auxiliary fastener (4); a driving shaft is rotatably connected in the winding opening; the rope winding roller (401) is fixedly connected to the driving shaft; the auxiliary rope (403) is wound around the rope winding roller (401); the gear (408) is fixedly connected to one end of the driving shaft; a rotating opening for the gear (408) to rotate is provided in the auxiliary fastener (4); a slot is provided in the rotating opening; the rack (407) is slidably connected to the slot; one side of the rack (407) is meshed with the gear (408); the other side of the rack (407) is fixedly connected to the retaining spring (406); and the retaining spring (406) is fixedly connected to the inner wall of the slot.

4. A metal roof anti-falling device according to claim 3, characterized in that: A push rod (405) is fixedly connected to one side of the rack (407), and a push-pull opening adapted to the push rod (405) is provided in the auxiliary fastener (4), and the push-pull opening is arranged on one side of the rope winding roller (401).

5. The metal roof anti-falling device according to claim 3, characterized in that: A sleeve is fixedly connected in the slot, a sleeve column is slidably arranged in the sleeve, and the sleeve column is fixedly connected to the rack (407).

6. The metal roof anti-fall device according to claim 1, characterized in that: The pressure cord buckle (404) comprises a sleeve plate (409), a telescopic plate (410), a return spring (411), a nut (412), a threaded rod (413), a rotating shaft (414), a force disc (415) and a polygonal block (416). A driving groove adapted to the sleeve plate (409) is provided in the pressure cord buckle (404). The threaded rod (413) is rotatably connected to the driving groove. A passage for the threaded rod (413) to pass through is provided in the sleeve plate (409). The nut (412) is fixedly connected to the inside of the through-hole, the nut (412) is threadedly connected to the threaded rod (413), one end of the rotating shaft (414) is fixedly connected to the threaded rod (413), the other end of the rotating shaft (414) is fixedly connected to the polygonal block (416), a force disc (415) is sleeved on the polygonal block (416), a polygonal groove adapted to the polygonal block (416) is provided in the force disc (415), two positioning bars are fixedly connected to the top of the force disc (415), a limiting hole adapted to the positioning bar is provided in the pressure rope buckle (404), a sleeve adapted to the telescopic plate (410) is provided in the sleeve plate (409), the telescopic plate (410) is slidably connected to the sleeve, one end of the reset spring (411) is fixedly connected to the telescopic plate (410), and the other end of the reset spring (411) is fixedly connected to the sleeve.

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