Anti-falling device for iron tower construction and anti-falling method thereof

Abstract

The invention discloses an anti-falling device for iron tower construction and an anti-falling method of the anti-falling device. The anti-falling device comprises anti-falling clothes and an anti-falling device. According to the device, the hand grabbing mechanism and the foot grabbing mechanism are adopted, when a person climbs and falls, the person grabs a foot nail located on the upper portion with the hand and then curls up the palm, at the moment, two sets of semi-ring plates on the surface of the hand grabbing mechanism can be connected together in a clamped mode, and wrapping and fixing operation on the foot nail is achieved; then the foot grabbing mechanism can be moved to the foot pin located on the lower portion through lifting of the legs, at the moment, due to the dead weight of the human body, a pressing plate can move downwards, then a second gear plate is driven to move downwards, a second transmission wheel moves a lower pressing block to the position under an upper pressing block through linkage of the structure, and fixing of the foot pin on the lower portion is achieved; through the cooperation of the two parts, the grabbing force and stability during climbing of a person can be effectively improved, the phenomenon that the person falls off is fundamentally prevented, the overall using effect is improved, and the climbing device has the advantage of being fixed in climbing.

Description

Technical Field

[0001] The invention relates to the technical field of aerial work protection equipment, and in particular to a fall prevention device for iron tower construction and a fall prevention method thereof. Background Art

[0002] In power construction, climbing towers is the most common high-altitude work project. How to ensure the personal safety of high-altitude workers is the most critical factor in high-altitude work. At present, in order to prevent high-altitude workers from falling when climbing towers and working at high altitudes on towers, high-altitude workers must wear safety ropes and install fall arresters before high-altitude work.

[0003] Apart from this, there are no special anti-fall measures in the clothing of the personnel. Most of the workers directly wear labor protection shoes and labor protection gloves to climb along the foot spikes on the surface of the tower. The cross-section of the foot spikes is small, and the contact area between the hands and feet of the personnel and the foot spikes is also relatively limited when climbing. The overall stability is not very ideal. The stability of the climbing depends entirely on the grip strength of the human hand. Once there is a severely worn and smooth area on the surface of the foot spike or there is moisture attached, it is easy to cause the personnel to slip on it, which in turn causes the personnel to fall, and the operation risk is relatively high. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an anti-falling device and an anti-falling method for iron tower construction.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a fall prevention device for iron tower construction and a fall prevention method thereof, comprising a fall prevention suit and a fall arrester, the fall prevention suit is composed of a top, pants, gloves and shoes, and are sealed and connected to each other, hand grasping mechanisms are installed at the hand positions on both sides of the surface of the fall prevention suit, foot grasping mechanisms are installed at the leg positions on both sides of the surface of the fall prevention suit, the hand grasping mechanisms are symmetrically installed with semi-annular plates at the palm positions, several groups of connecting plates and several groups of second limiting grooves are respectively installed at the surface positions around the semi-annular plates, second limiting protrusions are installed at the surface positions of the connecting plates, a pressure plate is slidably installed at the foot grasping mechanism at the inner position of the shoe, second gear plates are symmetrically installed at the middle positions on both sides of the bottom surface of the pressure plate, and the pressure plate is symmetrically installed with the bottom end of the shoe. The cam is an assembly made of a plurality of gears, each of which is connected to a pair of gears of different types and has a plurality of springs, each of which is connected to a pair of springs having a plurality of springs connected thereto. The plurality of springs are connected to a pair of gears of different types and have a plurality of springs connected thereto.

[0006] As a further description of the above technical solution:

[0007] Several groups of protective shells are evenly installed around the surface of the anti-fall suit, and airbags are installed inside the protective shells. Warning lights and buzzers are installed at the top positions of the two sides of the anti-fall suit, and energy boxes and inflators are installed at the bottom positions of the two sides of the anti-fall suit. A high-pressure gas cylinder is fixedly installed inside the inflator, and the top position of the high-pressure gas cylinder is connected to the airbag through a pipeline, and a solenoid valve is provided between the pipelines. A battery is installed at the bottom end of the energy box, and the top of the battery is located at the top position of the energy box. Several groups of first springs are installed, and several groups of switch contacts are connected to the bottom of the first springs, and the switch contacts are electrically connected to the warning light, the buzzer and the solenoid valve respectively. A blocking sheet is abutted between the battery and the switch contact, and several groups of first limiting grooves are symmetrically opened on the surface of the blocking sheet. The first limiting protrusions are clamped inside the first limiting grooves, and the first limiting protrusions are located on the surface of both sides of the energy supply box. One end of the blocking sheet passes through one side of the energy supply box and is connected to the pull rope, and the top of the pull rope is attached to the anti-fall suit through Velcro.

[0008] As a further description of the above technical solution:

[0009] A hip pad is fixedly sewn at the hip position of one side of the trousers of the anti-fall suit, and a connecting rod is rotatably connected between the hip pads at the crotch position, and a clamping block is fixedly installed at the bottom position of the connecting rod, and movable plates are symmetrically and slidably connected at both sides of the inside of the clamping block, and a contact disk is rotatably connected at one end of the movable plate, and a plurality of groups of friction blocks are evenly installed around the surface of the contact disk, and a first sleeve screw is symmetrically installed on the surface of the other end of the movable plate, and a first transmission screw is threadedly connected at one end of the first sleeve screw, and a first gear ring is fixedly installed at one end of the first transmission screw, and the other end of the first gear ring is rotatably connected to the inner wall of the clamping block, and one end of the first gear ring is meshingly connected with the first gear plate, and one end of the first gear plate passes through one side of the clamping block and abuts against the hip pad.

[0010] As a further description of the above technical solution:

[0011] A safety rope is connected to the surface of the anti-fall suit, and one end of the safety rope is connected to a fall arrester.

[0012] As a further description of the above technical solution:

[0013] The pull rope is composed of a metal wire and a nylon rope, and the nylon rope is wrapped around the outer periphery of the metal wire.

[0014] As a further description of the above technical solution:

[0015] The upper pressing block, the lower pressing block and the surface of the semi-ring plate are all provided with grooves for clamping the iron tower foot nails.

[0016] As a further description of the above technical solution:

[0017] The upper pressing block, the lower pressing block and the surface of the semi-ring plate are all provided with grooves for clamping the iron tower foot nails.

[0018] As a further description of the above technical solution:

[0019] A method for preventing falling for iron tower construction, comprising an anti-falling device for iron tower construction according to claims 1 to 7, and the specific anti-falling method comprises:

[0020] S1. Wearing: The operator can wear the anti-fall suit on the outermost side of the body, connect the safety rope to the outside of the anti-fall suit, and connect a fall arrester to the top.

[0021] S2. Movement: After the personnel have put on the protective gear, they can first grab the upper foot nails with their hands and then curl up their palms. At this time, the two sets of semi-ring plates on the surface of the hand grabbing mechanism can be locked together to wrap and fix the foot nails. Then, the foot grabbing mechanism can be moved to the lower foot nails by lifting the legs. At this time, the pressure plate can be moved downward due to the weight of the human body, which in turn drives the second gear plate to move downward so that the second transmission wheel moves the lower pressure block to the position directly below the upper pressure block through the linkage of the structure, thereby fixing the lower foot nails. In this way, the combination of the two can effectively improve the grasping strength and stability of personnel when climbing, and fundamentally prevent the phenomenon of personnel falling off.

[0022] S3, limit: while S2 is moving, the personnel can clamp the clamping block on the surface of the metal structure of the tower, and can abut against the surface of the tower through multiple groups of symmetrically arranged contact plates. When the personnel are climbing normally, the contact plates will not affect their normal movement. When the personnel lean back or tend to fall backward, the change in the center of the body will cause the hip pad to squeeze downward, thereby pushing the two groups of first gear plates to move downward. At this time, the first gear plate will drive the first gear ring to rotate, and then the first transmission screw will rotate and drive the first sleeve screw to move outward, so that the moving plates can be driven closer to each other. At this time, the contact plate will firmly abut against the metal structure of the tower due to the weight of the human body and the squeezing of the first gear plate, so that the body in a backward leaning state can be supported, and at the same time, the personnel can be prevented from continuing to fall, which can alleviate the effect of falling.

[0023] S4. Mitigation: When a person falls irreversibly, the fall arrester can achieve a certain fall prevention effect. At the same time, the person can pull the pull rope to make the blocking piece fall off from the energy supply box, so that the switch contacts can be connected and closed with the battery terminals, thereby realizing the power supply operation of the warning light, buzzer and solenoid valve, so that the warning light and buzzer emit sound and light to warn other people that a fall has occurred here, which is convenient for timely rescue. The power supply of the solenoid valve can open the gas outlet position of the high-pressure gas cylinder. At this time, the internal high-pressure gas can be sprayed out, so that the gas can be filled into the airbag, realizing the collision operation of the airbag, which can reduce the impact damage when people fall and reduce personal risks.

[0024] S5, rescue: After S4 issues an alarm, people around can quickly find the location or person where the fall occurred, so that they can transfer the workers above in time, providing valuable working time for rescue.

[0025] Compared with the prior art, the beneficial effects of the present invention are:

[0026] 1. In the present invention, a hand grasping mechanism and a foot grasping mechanism are adopted. When a person climbs or falls, the person can first grasp the foot nails located above with his hands, and then curl up his palms. At this time, the two groups of semi-ring plates on the surface of the hand grasping mechanism can be clamped together to realize the wrapping and fixing operation of the foot nails. Then, the foot grasping mechanism can be moved to the foot nails located below by lifting the legs. At this time, due to the dead weight of the human body, the pressure plate can be moved downward, thereby driving the second gear plate to move downward so that the second transmission wheel moves the lower pressure block to a position directly below the upper pressure block through the linkage of the structure, thereby realizing the fixing operation of the foot nails below. In this way, the two can cooperate to effectively improve the grasping force and stability of the person when climbing, fundamentally prevent the phenomenon of people falling off, improve the overall use effect, and have the advantages of climbing and fixing.

[0027] 2. In the present invention, a hip pad, a clamping block and a contact plate are adopted. When the operator climbs or falls along the iron tower, the clamping block can be clamped on the surface position of the metal structure of the iron tower, and the contact plates can be abutted against the surface position of the iron tower through multiple groups of symmetrically arranged contact plates. When the operator performs normal climbing, the contact plate will not affect its normal movement. When the operator leans back or has a tendency to fall backward, the hip pad will be squeezed downward due to the change of the center of the body, thereby pushing the two groups of first gear plates to move downward. At this time, the first gear plate will drive the first gear ring to rotate, and then the first transmission screw will rotate and drive the first sleeve screw to move outward, so that the moving plates can be driven closer to each other. At this time, the contact plate will firmly abut against the metal structure of the iron tower due to the deadweight of the human body and the squeezing of the first gear plate, so that the body in the backward leaning state can be supported, and at the same time, the operator can be prevented from continuing to fall, which can alleviate the benefit of falling and has the advantage of limiting falling.

[0028] 3. In the present invention, a fall arrester, a clamping block, a hand grasping mechanism and a foot grasping mechanism are adopted. In actual use, the device as a whole can realize a variety of fall arrest operations with different effects through the fall arrester, the clamping block, the hand grasping mechanism and the foot grasping mechanism. The fall arrester can play a fall arrest effect when a person falls, and the hand grasping mechanism and the foot grasping mechanism can improve the grasping force and stability when the person climbs, thereby fundamentally preventing the person from falling. At the same time, the coordinated use of the clamping block can support the human body when there is a tendency of toppling and falling, and prevent the person from continuing to move, thereby preventing the person from falling and taking precautions. The coordinated use of multiple groups of structures can greatly enhance the fall arrest effect of the device, making the work of the personnel safer, and having the advantages of multiple fall prevention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0030] Figure 1 This is a structural schematic diagram of a falling prevention device for iron tower construction proposed by the present invention;

[0031] Figure 2 A schematic diagram of the internal structure of a foot grabbing mechanism of a fall prevention device for iron tower construction proposed by the present invention;

[0032] Figure 3 This is a structural schematic diagram of a hand grabbing mechanism of a falling prevention device for iron tower construction proposed by the present invention;

[0033] Figure 4 A schematic diagram of the internal structure of a clamping block of a falling prevention device for iron tower construction proposed by the present invention;

[0034] Figure 5 A schematic diagram of the meshing connection between a first gear plate and a first gear ring of a falling prevention device for iron tower construction proposed by the present invention;

[0035] Figure 6 A schematic diagram of the structure of a lower pressing block of a falling prevention device for iron tower construction proposed by the present invention;

[0036] Figure 7 A schematic diagram of the connection between a hip pad and a connecting rod of a fall prevention device for iron tower construction proposed by the present invention;

[0037] Figure 8 The present invention is a schematic structural diagram of a blocking piece of an anti-fall device for iron tower construction proposed by the present invention.

[0038] Legend:

[0039] 1. Anti-fall suit; 2. Warning light; 3. Anti-fall device; 4. Safety rope; 5. Buzzer; 6. Protective shell; 7. Airbag; 8. Hand grasping mechanism; 9. Solenoid valve; 10. High-pressure gas cylinder; 11. Inflator; 12. Hip pad; 13. Connecting rod; 14. First gear plate; 15. Clamping block; 16. Moving plate; 17. First transmission screw; 18. Foot grasping mechanism; 19. Contact plate; 20. Friction block; 21. First sleeve screw; 22. First gear ring; 23. First limiting groove; 24. First Limiting protrusion; 25. Energy supply box; 26. Battery; 27. Blocking sheet; 28. Switch contact; 29. ​​First spring; 30. Pull rope; 31. Velcro; 32. Pressure plate; 33. Clamping groove; 34. Upper pressure block; 35. Lower pressure block; 36. Guide groove; 37. Second spring; 38. Second gear plate; 39. Second gear ring; 40. Second transmission screw; 41. Second sleeve screw; 42. Anti-slip protrusion; 43. Connecting plate; 44. Semi-ring plate; 45. Second limiting groove; 46. Second limiting protrusion. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0041] Embodiment 1, refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 ,and Figure 6, a fall prevention device for iron tower construction and a fall prevention method thereof, comprising a fall prevention suit 1 and a fall arrester 3, the fall prevention suit 1 being composed of a top, pants, gloves and shoes, and being sealed and connected to each other, hand grasping mechanisms 8 are installed at the hand positions on both sides of the surface of the fall prevention suit 1, and foot grasping mechanisms 18 are installed at the leg positions on both sides of the surface of the fall prevention suit 1, the hand grasping mechanisms 8 are symmetrically installed with semi-annular plates 44 at the palm positions of the palms, several groups of connecting plates 43 and several groups of second limiting grooves 45 are respectively installed at the surface positions around the semi-annular plates 44, and second limiting protrusions 46 are installed at the surface positions of the connecting plates 43, and a pressure plate 32 is slidably installed at the foot grasping mechanism 18 at the inner position of the shoe, and second gear plates 38 are symmetrically installed at the middle and two sides of the bottom surface of the pressure plate 32, and a second spring 37 is fixedly sleeved at the outer periphery of the second gear plate 38 between the pressure plate 32 and the inner bottom end of the shoe, and one end of the second gear plate 38 passes through one side of the shoe and is located at The second gear ring 39 of the sole is connected, and a second transmission screw 40 is fixedly installed at one end of the second gear ring 39. A second sleeve screw 41 is threadedly connected to the outer surface of the second transmission screw 40, and a lower pressing block 35 is rotatably connected to one end of the second sleeve screw 41. An upper pressing block 34 is fixedly installed above the lower pressing block 35 at the top position inside the sole. The outer periphery of the second gear plate 38, the second gear plate, the second transmission screw 40, the second sleeve screw 41, and the lower pressing plate 32 are located in the sole area and a clamping groove 33 for installation is opened. The outer periphery of the lower pressing block 35 is located in the inner position of the clamping groove 33 and a guide groove 36 is installed. An anti-slip protrusion 42 is fixedly installed on the surface position just above the moving path of the lower pressing block 35 on one side of the clamping groove 33, and a groove for clamping is opened correspondingly on the surface of the lower pressing block 35. The multiple groups of springs in the device are arranged to reset the corresponding structure by deformation reset during use to ensure that it can be used normally later.

[0042] Example 2, refer to Figure 1 and Figure 8, a plurality of groups of protective shells 6 are evenly installed around the surface of the anti-fall suit 1, and an airbag 7 is installed inside the protective shell 6. Warning lights 2 and buzzers 5 are respectively installed at the top positions of the surfaces of both sides of the top of the anti-fall suit 1. An energy supply box 25 and an air cylinder 11 are respectively installed at the bottom positions of both sides of the top of the anti-fall suit 1. A high-pressure gas cylinder 10 is fixedly installed inside the air cylinder 11. The top position of the high-pressure gas cylinder 10 is connected to the airbag 7 through a pipeline, and a solenoid valve 9 is provided between the pipelines. A battery 26 is installed at the bottom end of the energy supply box 25. A plurality of groups of first springs 29 are installed at the top position of the energy supply box 25 above the battery 26. A plurality of groups of switch contacts 28 are connected to the bottom position of the first spring 29. The switch contact 28 is electrically connected to the warning light 2, the buzzer 5 and the solenoid valve 9 respectively. A blocking piece 27 is abutted between the battery 26 and the switch contact 28. A plurality of first limiting grooves 23 are symmetrically provided on the surface of the blocking piece 27. The first limiting grooves 23 are clamped with first limiting protrusions 24 inside the first limiting grooves. The first limiting protrusions 24 are located on the surface of both sides of the energy box 25. One end of the blocking piece 27 passes through one side of the energy box 25 and is connected to the pull rope 30. The top of the pull rope 30 is attached to the anti-fall suit 1 through Velcro 31. The battery 26 is used to supply energy to electrical equipment. The energy box 25 and the inflator 11 are both arranged at the back to avoid affecting personnel during movement.

[0043] Example 3, refer to Figure 1 , Figure 4 and Figure 7A hip pad 12 is fixedly sewn at the hip position of one side of the pants of the anti-fall suit 1, and a connecting rod 13 is rotatably connected between the hip pads 12 at the crotch position. A clamping block 15 is fixedly installed at the bottom position of the connecting rod 13, and a moving plate 16 is symmetrically and slidably connected to the two sides of the inside of the clamping block 15. A contact disk 19 is rotatably connected to one end of the moving plate 16, and a plurality of groups of friction blocks 20 are evenly installed around the surface of the contact disk 19. A first sleeve screw 21 is symmetrically installed on the surface of the other end of the moving plate 16, and a first transmission screw 17 is threadedly connected to one end of the first sleeve screw 21. A first gear ring 22 is fixedly installed on one end of the first transmission screw 17, and the other end of the first gear ring 22 is rotatably connected to the inner wall of the clamping block 15, and one end of the first gear ring 22 is meshedly connected to the first gear plate 14, and one end of the first gear plate 14 passes through one side of the clamping block 15 and abuts against the hip pad 12. When the operator climbs or falls along the iron tower When climbing, the clamping block 15 can be stuck in the surface position of the metal structure of the tower, and the contact plates 19 symmetrically arranged in multiple groups can be abutted against the surface position of the tower. When the personnel perform normal climbing, the contact plates 19 will not affect their normal movement. When the personnel lean back or have a tendency to fall backward, the hip pad 12 will be squeezed downward due to the change in the center of the body, thereby pushing the two groups of first gear plates 14 to move downward. At this time, the first gear plate 14 will drive the first gear ring 22 to rotate, and then the first transmission screw 17 rotates and drives the first sleeve screw 21 to move outward, so that the moving plate 16 can be driven to approach each other. At this time, the contact plate 19 will firmly abut against the metal structure of the tower due to the weight of the human body and the squeezing of the first gear plate 14, so that it can support the body in a backward leaning state, and at the same time prevent the personnel from continuing to fall, which can alleviate the benefit of falling.

[0044] Embodiment 4, referring to Figure 1 A safety rope 4 is connected to the surface of the anti-fall suit 1, and one end of the safety rope 4 is connected to a fall arrester 3. The fall arrester 3 and the safety rope 4 are commonly used equipment in the field of anti-falling, and will not be described in detail here.

[0045] Example 5, refer to Figure 1The pull rope 30 is composed of a metal wire and a nylon rope, and the nylon rope is wrapped around the outer periphery of the metal wire. The material selection of the pull rope 30 is to ensure its own strength of use. The pull rope 30 is set to be pulled when a person falls, so that the blocking plate is moved out of the energy supply box 25, so that the switch contact 28 can be connected and closed with the end of the battery 26, so as to realize the power supply operation of the warning light 2, the buzzer 5 and the solenoid valve 9, so that the warning light 2 and the buzzer 5 emit sound and light to warn other personnel that a fall has occurred here, so that personnel can carry out rescue in time, and the power supply of the solenoid valve 9 can make the outlet position of the high-pressure gas cylinder 10 open, at this time The internal high-pressure gas can be ejected, so that the gas can be filled into the airbag 7, and the collision operation of the airbag 7 is realized, which can reduce the impact damage when a person falls and reduce personal risks.

[0046] Example 6, refer to Figure 1 , Figure 3 and Figure 6 The upper pressing block 34, the lower pressing block 35 and the surface of the semi-ring plate 44 are all provided with grooves for clamping the tower foot nails. The shape of the grooves is one-half of the tower foot nail structure. In this way, when the two sets of structures are used in combination, the foot nails can be smoothly wrapped, thereby enhancing the stability of personnel when climbing, fundamentally solving the problem of personnel falling, and improving work safety.

[0047] Embodiment 7, reference Figure 1 , Figure 2 , Figure 3 and Figure 8 The anti-slip protrusion 42 and the first limiting protrusion 24 and the second limiting protrusion 46 are all metal particles. The multiple groups of protrusions arranged in the anti-fall suit 1 are metal particles with smaller fluctuations. This not only can have a certain limiting effect on the corresponding structure, but also can make the protrusions leave the corresponding grooves under a certain pulling force to achieve structural separation, mainly to ensure stability during movement, and to achieve the purpose of anti-falling by enhancing stability.

[0048] Embodiment 8, refer to Figure 1-8 , a method for preventing falling for iron tower construction, comprising an anti-falling device for iron tower construction according to claims 1-7, and the specific anti-falling method comprises:

[0049] S1. Wearing: The operator can wear the anti-fall suit 1 on the outermost side of the body, and connect the safety rope 4 to the outer side of the anti-fall suit 1, and the top end is connected with the anti-fall device 3.

[0050] S2. Movement: After the personnel have put on the climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing climbing

[0051] S3, limit: while moving in S2, the personnel can clamp the clamping block 15 on the surface position of the metal structure of the iron tower, and can abut on the surface position of the iron tower through multiple groups of symmetrically arranged contact plates 19. When the personnel perform normal climbing, the contact plates 19 will not affect their normal movement. When the personnel lean back or have a tendency to fall backward, the change in the center of the body will cause the hip pad 12 to be squeezed downward, thereby pushing the two groups of first gear plates 14 to move downward. At this time, the first gear plate 14 will drive the first gear ring 22 to rotate, and then the first transmission screw 17 rotates and drives the first sleeve screw 21 to move outward, so that the moving plate 16 can be driven to approach each other. At this time, the contact plate 19 will firmly abut on the metal structure of the iron tower due to the weight of the human body and the squeezing of the first gear plate 14, so that it can support the body in a backward leaning state, and at the same time prevent the personnel from continuing to fall, which can alleviate the effect of falling.

[0052] S4. Mitigation: When a person falls irreversibly, the fall arrester 3 can achieve a certain fall arrest effect. At the same time, the person can pull the pull rope 30 to make the blocking piece 27 fall off from the energy supply box 25, so that the switch contact 28 can be connected and closed with the end of the battery 26, thereby realizing the power supply operation of the warning light 2, the buzzer 5 and the solenoid valve 9, so that the warning light 2 and the buzzer 5 emit sound and light to warn other people that a fall has occurred here, which is convenient for people to carry out rescue in time. The power supply of the solenoid valve 9 can make the outlet position of the high-pressure gas cylinder 10 open. At this time, the internal high-pressure gas can be ejected, so that the gas can be filled into the airbag 7, realizing the collision operation of the airbag 7, which can reduce the impact damage when people fall and reduce personal risks.

[0053] S5, rescue: After S4 issues an alarm, people around can quickly find the location or person where the fall occurred, so that they can transfer the workers above in time, providing valuable working time for rescue.

[0054] Working principle: When personnel are carrying out iron tower construction, they can wear the anti-fall suit 1 on the outermost side of the body, and connect the safety rope 4 to the outer side of the anti-fall suit 1, and the top is connected with a fall arrester 3. Then, after putting on the clothes, they can first grab the foot nails located above with their hands, and then curl up their palms. At this time, the two groups of semi-ring plates 44 on the surface of the hand grabbing mechanism 8 can be clamped together to achieve the wrapping and fixing operation of the foot nails. Then, the foot grabbing mechanism 18 can be moved to the foot nails located below by lifting the legs. At this time, due to the deadweight of the human body, the pressure plate 32 can be moved downward, thereby driving the second gear plate 38 to move downward, so that the second transmission wheel moves the lower pressure block 35 to the bottom of the upper pressure block 34 through the linkage of the structure. The personnel can then clamp the clamping block 15 on the surface of the metal structure of the tower, and the multiple groups of symmetrically arranged contact plates 19 can abut against the surface of the tower. When the personnel are climbing normally, the contact plates 19 will not affect their normal movement. When the personnel lean back or tend to fall backward, the change in the center of the body will squeeze the hip pad 12 downward, thereby pushing the two groups of first gear plates 14 downward. At this time, the first gear plate 14 will drive the first gear ring 22 to rotate, and then the first transmission screw 17 Rotate and drive the first sleeve screw 21 to move outward, so that the moving plates 16 can be driven to approach each other. At this time, the contact plate 19 will be firmly in contact with the metal structure of the tower due to the body's own weight and the squeezing of the first gear plate 14, which can support the body in a backward tilting state and prevent the person from continuing to fall, which can alleviate the falling effect. When the person falls irreversibly, the fall arrester 3 can have a certain fall prevention effect. At the same time, the person can pull the pull rope 30 to make the blocking piece 27 fall off from the energy box 25, so that the switch contact 28 can be connected and closed with the end of the battery 26, so as to realize the warning light 2, the buzzer 5 and the power. The power supply operation of the solenoid valve 9 causes the warning light 2 and the buzzer 5 to emit sound and light to warn other personnel that a fall has occurred here, making it convenient for personnel to carry out rescue in time. The power supply of the solenoid valve 9 can open the outlet position of the high-pressure gas cylinder 10. At this time, the internal high-pressure gas can be sprayed out, so that the gas can be filled into the airbag 7, realizing the collision operation of the airbag 7. This can reduce the impact damage when people fall and reduce personal risks. Finally, the surrounding personnel can quickly find the location or person where the fall has occurred, so that the personnel can transfer the workers above in time, providing valuable working time for rescue. The device as a whole has the advantages of climbing fixation, multiple fall protection, and fall restriction.

[0055] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fall prevention device for iron tower construction, comprising a fall prevention suit (1) and a fall arrester (3), It is characterized in that The anti-fall suit (1) is composed of a coat, pants, gloves and shoes, which are sealed and connected to each other. Hand gripping mechanisms (8) are installed at the hand positions on both sides of the surface of the anti-fall suit (1), and foot gripping mechanisms (18) are installed at the leg positions on both sides of the surface of the anti-fall suit (1). The hand gripping mechanisms (8) are symmetrically installed with semi-annular plates (44) at the palm positions of the hands. The semi-annular plates (44) are respectively installed with a plurality of groups of connecting plates (43) and a plurality of groups of second limiting grooves (45) at the surface positions around the semi-annular plates (44). The surface positions of the connecting plates (43) are all installed with second limiting protrusions (46). The foot gripping mechanisms (18) are slidably installed with a pressure plate (32) at the inner position of the shoes. The second gear plates (38) are symmetrically installed at the middle positions on both sides of the bottom surface of the pressure plate (32). A second spring (37) is fixedly sleeved at the outer periphery of the second gear plate (38) between the pressure plate (32) and the inner bottom end of the shoes. The second gear plate (38) is provided with a second spring (37). The end of the shoe passes through one side of the shoe and is connected to a second gear ring (39) located on the sole; a second transmission screw (40) is fixedly installed at one end of the second gear ring (39); a second sleeve screw (41) is threadedly connected to the outer surface of the second transmission screw (40); a lower pressing block (35) is rotatably connected to one end of the second sleeve screw (41); an upper pressing block (34) is fixedly installed at the top position of the inner part of the sole above the lower pressing block (35); the second gear plate (38) and the second gear ring (39) are fixedly installed. The outer peripheries of the wheel disc, the second transmission screw (40), the second sleeve screw (41), and the lower pressing plate (32) are provided with a clamping groove (33) for installation in the shoe sole area, the outer periphery of the lower pressing block (35) is provided with a guide groove (36) located inside the clamping groove (33), one side of the inner side of the clamping groove (33) is provided with a fixed anti-slip protrusion (42) at a surface position just above the moving path of the lower pressing block (35), and a corresponding groove for clamping is provided on the surface of the lower pressing block (35).

2. The anti-fall device for iron tower construction according to claim 1, It is characterized in that The anti-fall suit (1) is evenly surrounded by a plurality of protective shells (6), and a safety airbag (7) is installed inside the protective shell (6). Warning lights (2) and buzzers (5) are installed at the top positions of the surfaces of both sides of the upper garment of the anti-fall suit (1). An energy supply box (25) and an inflator (11) are installed at the bottom positions of both sides of the upper garment of the anti-fall suit (1). A high-pressure gas cylinder (10) is fixedly installed inside the inflator (11). The top position of the high-pressure gas cylinder (10) is connected to the safety airbag (7) through a pipeline, and a solenoid valve (9) is provided between the pipelines. A battery (26) is installed at the bottom end of the energy supply box (25), and a plurality of first elastic valves are installed at the top position of the energy supply box (25) above the battery (26). A spring (29) is provided at the bottom of the first spring (29), and a plurality of switch contacts (28) are connected thereto, and the switch contacts (28) are electrically connected to the warning light (2), the buzzer (5) and the solenoid valve (9) respectively. A blocking sheet (27) is abutted between the battery (26) and the switch contact (28), and a plurality of first limiting grooves (23) are symmetrically provided on the surface of the blocking sheet (27). The first limiting grooves (23) are internally clamped with first limiting protrusions (24), and the first limiting protrusions (24) are located on the surfaces of both sides of the energy supply box (25). One end of the blocking sheet (27) passes through one side of the energy supply box (25) and is connected to a drawstring (30), and the top of the drawstring (30) is attached to the anti-fall suit (1) via a Velcro (31).

3. The anti-falling device for iron tower construction according to claim 1, It is characterized in that A hip pad (12) is fixedly sewn at the hip position of one side of the trousers of the anti-fall suit (1), a connecting rod (13) is rotatably connected between the hip pads (12) at the crotch position, a clamping block (15) is fixedly installed at the bottom position of the connecting rod (13), a moving plate (16) is symmetrically slidably connected to the two sides of the clamping block (15), one end of the moving plate (16) is rotatably connected to a contact plate (19), a plurality of groups of friction blocks (20) are evenly installed around the surface of the contact plate (19), and the moving plate (1 6) A first sleeve screw (21) is symmetrically installed on the surface of the other end, one end of the first sleeve screw (21) is threadedly connected to the first transmission screw (17), one end of the first transmission screw (17) is fixedly installed with a first gear ring (22), the other end of the first gear ring (22) is rotatably connected to the inner wall of the clamping block (15), one end of the first gear ring (22) is meshedly connected to the first gear plate (14), and one end of the first gear plate (14) passes through one side of the clamping block (15) and abuts against the hip pad (12).

4. The anti-falling device for iron tower construction according to claim 1, It is characterized in that A safety rope (4) is connected to the surface of the fall prevention suit (1), and one end of the safety rope (4) is connected to a fall arrester (3).

5. The anti-falling device for iron tower construction according to claim 2, It is characterized in that The pull rope (30) is composed of a metal wire and a nylon rope, and the nylon rope is wrapped around the outer circumference of the metal wire.

6. The anti-falling device for iron tower construction according to claim 1, It is characterized in that The upper pressing block (34), the lower pressing block (35) and the semi-ring plate (44) are all provided with grooves on their surfaces for clamping the tower foot nails.

7. The anti-falling device for iron tower construction according to claim 1, It is characterized in that The anti-drop protrusion (42), the first limiting protrusion (24), and the second limiting protrusion (46) are all metal particles.

8. A method for preventing falling during tower construction. It is characterized in that The invention comprises a falling prevention device for iron tower construction as described in claims 1 to 7, and the specific falling prevention method comprises: S1. Wearing: The operator can wear the anti-fall suit (1) on the outermost side of the body, and connect the safety rope (4) to the outer side of the anti-fall suit (1), and the top end is connected with a fall arrester (3). S2. Movement: After the personnel have put on the climbing ... S3, limit: while moving in S2, the personnel can clamp the clamping block (15) on the surface of the metal structure of the iron tower, and can contact the surface of the iron tower through multiple groups of symmetrically arranged contact plates (19). When the personnel climb normally, the contact plates (19) will not affect their normal movement. However, when the personnel lean back or have a tendency to fall backward, the hip pad (12) will be squeezed downward due to the change of the body center, thereby pushing the two groups of first gear plates (14) to move downward. At this time, the first gear plate (14) will drive the first gear ring (22) to rotate, and then the first transmission screw (17) will rotate and drive the first sleeve screw (21) to move outward, so that the moving plates (16) can be driven to approach each other. At this time, the contact plates (19) will firmly contact the metal structure of the iron tower due to the weight of the human body and the squeezing of the first gear plate (14). This can support the body in a backward leaning state and prevent the personnel from continuing to fall, thereby alleviating the falling. S4, relief: When a person falls irreversibly, the fall arrester (3) can play a certain fall prevention effect. At the same time, the person can pull the pull rope (30) to make the blocking sheet (27) fall off from the energy supply box (25), so that the switch contact (28) can be connected and closed with the end of the battery (26), thereby realizing the power supply operation of the warning light (2), the buzzer (5) and the electromagnetic valve (9), so that the warning light (2) and the buzzer (5) emit sound and light to warn other people that a fall has occurred here, so that the personnel can carry out rescue in time. The power supply of the electromagnetic valve (9) can make the gas outlet position of the high-pressure gas cylinder (10) open, and the high-pressure gas inside can be ejected at this time, so that the gas can be filled into the safety airbag (7), and the collision operation of the safety airbag (7) can be realized. In this way, the impact damage when the person falls can be reduced, and the personal risk can be reduced. S5, rescue: After S4 issues an alarm, people around can quickly find the location or person where the fall occurred, so that they can transfer the workers above in time, providing valuable working time for rescue.

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