CN110624186A - Anti-falling device on tower - Google Patents
Anti-falling device on tower Download PDFInfo
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- CN110624186A CN110624186A CN201910984666.8A CN201910984666A CN110624186A CN 110624186 A CN110624186 A CN 110624186A CN 201910984666 A CN201910984666 A CN 201910984666A CN 110624186 A CN110624186 A CN 110624186A
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- 230000003068 static effect Effects 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 238000002407 reforming Methods 0.000 abstract 1
- 230000009194 climbing Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000000903 blocking effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 229910000746 Structural steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000001012 protector Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
- A62B35/0025—Details and accessories
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
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- Emergency Lowering Means (AREA)
Abstract
The invention belongs to the technical field of electric power overhaul equipment, and particularly relates to an anti-falling device on a tower; the safety rope fastening device comprises a foot nail and a safety rope, wherein a safety rope retaining hook is arranged on the foot nail and comprises a connecting cap, a retaining hook and a locking bolt; the speed difference automatic control device comprises a main device frame, the left side of the main device frame is connected with a front end cover, the right side of the main device frame is connected with a rear end cover, and a check ring is arranged on the front end cover; the device comprises a main frame and a control device, wherein the main frame comprises a frame main board, a safety rope rotary drum, a connecting shaft and a rotary disc are arranged on the frame main board, and a lock hook sliding groove, a movable lock hook and a control spring are arranged in the rotary disc; a static locking hook is arranged in the device main frame, an inlet guide pipe is arranged at the bottom of the device main frame, and an outlet guide pipe is arranged at the top of the device main frame; the invention has reasonable structure and convenient operation and use, can be simply reformed by utilizing the original foot nails on the tower, provides reliable anti-falling protection for workers and reduces the construction and reforming cost.
Description
Technical Field
The invention belongs to the technical field of electric power overhaul equipment, and particularly relates to an anti-falling device on a tower.
Background
In the process of electric power overhaul, workers often need to climb a tower, and in the process of climbing the tower, anti-falling measures or equipment need to be taken, and currently, a mode of matching a foot nail with a double-hook safety belt or a mode of matching a guide rail with a downward-sliding anti-falling device is generally adopted; when the guide rail and the gliding falling protector are matched, workers need to cling to the direction of the guide rail in the pole climbing process, the limit on the falling protector is large, the pole climbing is inconvenient, the current application range is limited, the falling protector is higher in price compared with the traditional foot nails, the construction is relatively complex, the construction period and the installation cost are correspondingly increased, so that only part of newly built projects adopt the pole tower climbing falling protector, and the originally built and a large number of newly built poles still adopt the traditional foot nail mode; the pole tower climbing is carried out only by the foot nails and the double-hook safety belts, so that time and labor are wasted, and workers are not protected in place, so that the development of a new pole tower climbing anti-falling device is necessary on the basis of climbing the pole tower by the original foot nails without greatly increasing investment and modifying construction time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the anti-falling device on the tower, which has the advantages of reasonable structure, convenience in use and low cost, can provide reliable anti-falling protection for workers and improves the working efficiency.
The purpose of the invention is realized as follows: the anti-falling device on the tower comprises a foot nail and a safety rope, wherein a safety rope retaining hook is fixedly arranged on the foot nail, the safety rope retaining hook comprises a connecting cap, a retaining hook is fixedly connected to the left side surface of the connecting cap, a connecting hole penetrating through the connecting cap is formed in the connecting cap, and a locking bolt is in threaded connection with the right side surface of the connecting cap; the anti-falling device on the tower comprises a speed difference automatic control device, the speed difference automatic control device comprises a device main frame, the left side of the device main frame is fixedly connected with a front end cover, the front end cover is fixedly connected with the device main frame through an end cover locking bolt, the middle part of the right side surface of the front end cover is provided with a retaining ring, the right side of the device main frame is fixedly connected with a rear end cover, and the rear end cover is fixedly connected with the device main frame through the end cover locking bolt; the device comprises a main frame and a control spring, wherein the main frame comprises a frame main board, the left side surface of the frame main board is rotatably connected with a safety rope rotary drum, the safety rope rotary drum is provided with a spiral safety rope guide ring, the right side surface of the frame main board is rotatably connected with a connecting shaft, the connecting shaft is fixedly connected with the safety rope rotary drum, the right end surface of the connecting shaft is fixedly connected with a rotary disc, a lock hook sliding groove is arranged in the rotary disc, a movable locking hook and the control spring are arranged in the lock hook sliding groove, the lock hook sliding groove is slidably connected with the movable locking hook, one end of the control spring is connected to the bottom of the lock hook sliding groove, and the other end; the device is characterized in that a static locking hook is arranged on the right side face inside the main frame, an inlet guide pipe is arranged at the bottom of the left side of the main frame, and an outlet guide pipe is arranged at the top of the left side of the main frame.
The connecting cap of the safety rope stop hook is cylindrical, two transition grooves are formed in the connecting cap, and the transition grooves penetrate through two end faces of the connecting cap.
The check ring is connected with the safety rope rotating cylinder in a sliding mode, and the side face of the safety rope rotating cylinder is provided with a reticulate pattern.
The number of the lock hook sliding grooves is four, and the lock groove sliding grooves are uniformly distributed on the periphery of the rotary table by taking the axis of the rotary table as a circle center.
The movable locking hook comprises a hook head and a hook body, the section of the hook head is in a long strip shape, the hook head and the static locking hook can be matched in shape to realize locking, and the hook body is a solid cylinder.
The cross section of the main body of the main frame of the device is circular, six static locking hooks are arranged, and the static locking hooks are only arranged in the lower half section of the main frame of the device.
The tail end of the blocking hook of the safety rope blocking hook is provided with a folded elbow.
The safety rope is a stranded high-strength safety rope or a steel wire rope.
And a fixing module is arranged at the top of the speed difference automatic control device.
The invention has the beneficial effects that: the safety rope climbing device can effectively utilize original foot nails on a pole tower, the safety rope blocking hooks are arranged on the foot nails on one side of the angle steel vertical rod, and the safety rope blocking hooks, the foot nails and the groove formed by the angle steel vertical rod can effectively block the safety rope and prevent the safety rope from sliding out in the climbing process of workers; the safety rope enters the speed difference automatic control device from an inlet guide pipe of the speed difference automatic control device, winds a safety rope drum along a safety rope guide ring and then passes through an outlet guide pipe to exit the speed difference automatic control device; before climbing the tower, the speed difference automatic control device is fixed at the bottom of the tower, the safety rope passes through a groove formed by the safety rope stop hook, the foot nail and the angle steel upright post and is connected with a safety belt hook of a worker, when the worker climbs the tower, the safety rope is pulled to move upwards together and is put into the groove formed by the safety rope stop hook, the foot nail and the angle steel upright post, namely the safety rope and the worker are positioned at two sides of the foot nail provided with the safety rope stop hook, the safety rope drum is pulled to rotate in the upward moving process of the safety rope, when the safety rope drum rotates, the turntable is driven to rotate through the connecting shaft, when the worker normally climbs the tower, the upward moving speed of the safety rope is slower, the rotating speed of the turntable is less than the critical speed, the movable locking hook overcomes the centrifugal force under the pulling force of the control spring, the movable locking hook does not move outwards too much and cannot be buckled with the static locking hook, the turntable normally rotates; when workers fall due to errors and the like, the safety rope is still positioned in the groove under the blocking of the safety rope blocking hook, the rotary disc is suddenly and rapidly rotated by the safety rope connected with the speed difference automatic control device, the movable locking hook overcomes the tensile force of the control spring to move outwards under the action of centrifugal force and is buckled with the static locking hook to prevent the rotary disc from rotating, the rotary drum of the safety rope stops rotating, the safety rope is wound on the rotary drum of the safety rope along the guide ring of the safety rope to generate large friction force to prevent the safety rope from moving, and meanwhile, the workers are suspended in the air through the foot nails and the safety rope to stop falling; in the rotation process of the safety rope drum, the safety rope enters and exits the speed difference automatic control device through the inlet guide pipe and the outlet guide pipe, so that the safety rope can be prevented from being wound, loosened or knotted with the safety rope drum in the speed difference automatic control device; the anti-falling device is reasonable in structure and convenient to operate and use, can be simply transformed by using the original foot nails on the tower, provides reliable anti-falling protection for workers, reduces the construction and transformation cost, improves the efficiency of the workers climbing the tower, and reduces the labor intensity.
Drawings
Fig. 1 is a schematic structural diagram of the installation of the foot nails on the original tower of the anti-falling device on the tower.
Fig. 2 is a schematic front view structure diagram of foot nails on a pole tower after the anti-falling device on the pole tower is modified.
Fig. 3 is a schematic view of a overlooking structure of the foot nail on the pole tower after the anti-falling device on the pole tower is transformed.
Fig. 4 is a schematic front view of a safety rope catch hook of the anti-falling device on a tower.
Fig. 5 is a schematic top view of a safety rope catch of the fall protection device on a tower according to the present invention.
Fig. 6 is a left view structural schematic diagram of a safety rope catch hook of the anti-falling device on a tower.
Fig. 7 is a schematic structural view of the anti-falling device on the tower in the direction of A-A in fig. 6.
Fig. 8 is a schematic structural diagram of a speed difference automatic control device of the anti-falling device on a tower.
Fig. 9 is a schematic structural view of the anti-falling device on the tower in the direction B-B in fig. 8.
Fig. 10 is a schematic front view of a movable locking hook of the anti-falling device on a tower.
Fig. 11 is a schematic diagram of a right-view structure of a movable locking hook of the anti-falling device on a tower.
In the figure: 1. 1-1 part of safety rope catch hook, 1-2 parts of connecting cap, 1-3 parts of locking bolt, 1-4 parts of catch hook, 1-5 parts of connecting hole, 1-6 parts of transition groove, 2 parts of folded elbow, 3 parts of foot nail, 4 parts of angle iron upright stanchion, 5 parts of safety rope, 5-1 parts of speed difference automatic control device, 5-2 parts of front end cover, 5-3 parts of retainer ring, 5-4 parts of safety rope rotary drum, 5-5 parts of safety rope guide ring, 5-6 parts of end cover locking bolt, 5-7 parts of outlet guide pipe, 5-8 parts of inlet guide pipe, 5-9 parts of main frame of device, 5-10 parts of dynamic locking hook, 5-11 parts of rear end cover, 5-12 parts of connecting shaft, 5-13 parts of rotary disc, 5-14 parts of lock hook, 5-16 parts of static locking hooks, 5-17 parts of hook heads, 5-18 parts of hook bodies, 5-19 parts of frame main boards, 5-20 parts of reticulate patterns and fixing modules.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-11, the anti-falling device on a tower comprises a foot nail 2 and a safety rope 4, wherein a safety rope catch 1 is fixedly arranged on the foot nail 2, the safety rope catch 1 comprises a connecting cap 1-1, a catch 1-3 is fixedly connected to the left side surface of the connecting cap 1-1, a connecting hole 1-4 penetrating through the connecting cap 1-1 is formed in the connecting cap 1-1, and a locking bolt 1-2 is in threaded connection with the right side surface of the connecting cap 1-1; the anti-falling device on the tower comprises a speed difference automatic control device 5, wherein the speed difference automatic control device 5 comprises a main device frame 5-8, the left side of the main device frame 5-8 is fixedly connected with a front end cover 5-1, the front end cover 5-1 is fixedly connected with the main device frame 5-8 through an end cover locking bolt 5-5, the middle part of the right side surface of the front end cover 5-1 is provided with a retainer ring 5-2, the right side of the main device frame 5-8 is fixedly connected with a rear end cover 5-10, and the rear end cover 5-10 is fixedly connected with the main device frame 5-8 through the end cover locking bolt 5-5; the device main frame 5-8 comprises a frame main board 5-18, the left side surface of the frame main board 5-18 is rotatably connected with a safety rope drum 5-3, the safety rope drum 5-3 is provided with a spiral safety rope guide ring 5-4, the right side surface of the frame main board 5-18 is rotatably connected with a connecting shaft 5-11, the connecting shaft 5-11 is fixedly connected with the safety rope drum 5-3, the right end surface of the connecting shaft 5-11 is fixedly connected with a rotary disc 5-12, a lock hook sliding groove 5-13 is arranged in the rotary disc 5-12, a movable lock hook 5-9 and a control spring 5-14 are arranged in the lock hook sliding groove 5-13, the lock hook sliding groove 5-13 is connected with the movable lock hook 5-9 in a sliding manner, and one end of the control spring 5-14 is connected with the bottom of the lock hook sliding groove 5-13, the other end of the control spring 5-14 is connected to the bottom of the movable locking hook 5-9; the device is characterized in that a static locking hook 5-15 is arranged on the right side face inside the main frame 5-8, an inlet guide pipe 5-7 is arranged at the bottom of the left side of the main frame 5-8, and an outlet guide pipe 5-6 is arranged at the top of the left side of the main frame 5-8.
According to the invention, the original foot nails 2 on the tower can be effectively utilized, the safety rope retaining hooks 1 are arranged on the foot nails 2 on one side of the angle steel upright stanchions 3, and the grooves formed by the safety rope retaining hooks 1, the foot nails 2 and the angle steel upright stanchions 3 can effectively block the safety ropes 4 and prevent the safety ropes from sliding out in the climbing process of workers; the safety rope 4 enters the speed difference automatic control device 5 from an inlet guide pipe 5-7 of the speed difference automatic control device 5, winds a safety rope rotary drum 5-3 along a safety rope guide ring 5-4, and then passes through an outlet guide pipe 5-6 to go out of the speed difference automatic control device 5; before climbing a tower, the speed difference automatic control device 5 is fixed at the bottom of the tower, the safety rope 4 passes through a groove formed by the safety rope stop hook 1, the foot nail 2 and the angle iron upright stanchion 3 after going out of the speed difference automatic control device 5 and is connected with a safety belt hook of a worker, when the worker climbs the tower, the safety rope 4 is pulled to move upwards together, and the safety rope 4 is put into the groove formed by the safety rope stop hook 1, the foot nail 2 and the angle iron upright stanchion 3, namely the safety rope 4 and the worker are positioned at two sides of the foot nail 2 provided with the safety rope stop hook 1, the safety rope 4 rotates by pulling the safety rope drum 5-3 in the upward moving process, when the safety rope drum 5-3 rotates, the rotating disc 5-12 is driven to rotate by the connecting shaft 5-11, when the worker normally climbs the tower, the upward moving speed of the safety rope 4 is slower, the rotating speed of the rotating disc 5-12 is less, the movable locking hook 5-9 overcomes the centrifugal force under the pulling force of the control spring 5-14, does not move outwards too much, cannot be buckled with the static locking hook 5-15, and the rotary disc 5-12 rotates normally; when a worker falls due to errors and the like, the safety rope 4 is still positioned in the groove under the blocking of the safety rope blocking hook 1, the rotary disc 5-12 is suddenly and rapidly rotated by the safety rope 4 connected with the speed difference automatic control device 5, the movable locking hook 5-9 overcomes the tensile force of the control spring 5-14 to move outwards under the action of centrifugal force and is buckled with the static locking hook 5-15 to prevent the rotary disc 5-12 from rotating, the safety rope rotary drum 5-3 stops rotating, the safety rope 4 generates large friction force due to winding on the safety rope rotary drum 5-3 along the safety rope guide ring 5-4 to prevent the safety rope 4 from moving, and meanwhile, the worker is suspended in the air through the foot nails 2 and the safety rope 4 to stop falling; in the rotation process of the safety rope drum 5-3, the safety rope 4 enters and exits the speed difference automatic control device 5 through the inlet guide pipe 5-7 and the outlet guide pipe 5-6, so that the safety rope can be prevented from being wound, loosened or knotted with the safety rope drum 5-3 in the speed difference automatic control device 5; the anti-falling device is reasonable in structure and convenient to operate and use, can be simply transformed by using the original foot nails 2 on the tower, provides reliable anti-falling protection for workers, reduces the construction and transformation cost, improves the efficiency of the workers climbing the tower, and reduces the labor intensity.
Example 2
As shown in fig. 1-11, the anti-falling device on a tower comprises a foot nail 2 and a safety rope 4, wherein a safety rope catch 1 is fixedly arranged on the foot nail 2, the safety rope catch 1 comprises a connecting cap 1-1, a catch 1-3 is fixedly connected to the left side surface of the connecting cap 1-1, a connecting hole 1-4 penetrating through the connecting cap 1-1 is formed in the connecting cap 1-1, and a locking bolt 1-2 is in threaded connection with the right side surface of the connecting cap 1-1; the anti-falling device on the tower comprises a speed difference automatic control device 5, wherein the speed difference automatic control device 5 comprises a main device frame 5-8, the left side of the main device frame 5-8 is fixedly connected with a front end cover 5-1, the front end cover 5-1 is fixedly connected with the main device frame 5-8 through an end cover locking bolt 5-5, the middle part of the right side surface of the front end cover 5-1 is provided with a retainer ring 5-2, the right side of the main device frame 5-8 is fixedly connected with a rear end cover 5-10, and the rear end cover 5-10 is fixedly connected with the main device frame 5-8 through the end cover locking bolt 5-5; the device main frame 5-8 comprises a frame main board 5-18, the left side surface of the frame main board 5-18 is rotatably connected with a safety rope drum 5-3, the safety rope drum 5-3 is provided with a spiral safety rope guide ring 5-4, the right side surface of the frame main board 5-18 is rotatably connected with a connecting shaft 5-11, the connecting shaft 5-11 is fixedly connected with the safety rope drum 5-3, the right end surface of the connecting shaft 5-11 is fixedly connected with a rotary disc 5-12, a lock hook sliding groove 5-13 is arranged in the rotary disc 5-12, a movable lock hook 5-9 and a control spring 5-14 are arranged in the lock hook sliding groove 5-13, the lock hook sliding groove 5-13 is connected with the movable lock hook 5-9 in a sliding manner, and one end of the control spring 5-14 is connected with the bottom of the lock hook sliding groove 5-13, the other end of the control spring 5-14 is connected to the bottom of the movable locking hook 5-9; the device is characterized in that a static locking hook 5-15 is arranged on the right side face inside the main frame 5-8, an inlet guide pipe 5-7 is arranged at the bottom of the left side of the main frame 5-8, and an outlet guide pipe 5-6 is arranged at the top of the left side of the main frame 5-8.
For better effect, the connecting cap 1-1 of the safety rope catch 1 is cylindrical, the cylindrical shape is convenient to install, and the connecting cap has no edges and corners, so that workers cannot be injured in the climbing process, two transition grooves 1-5 are arranged inside the connecting cap 1-1, the transition grooves 1-5 penetrate through two end faces of the connecting cap 1-1, and the filter grooves 1-5 are arranged so that the connecting cap 1-1 can penetrate through the corner parts of the foot nails 2 and cannot be blocked by the corner parts of the foot nails 2.
For better effect, the retainer ring 5-2 is slidably connected with the safety rope drum 5-3, the retainer ring 5-2 can provide support for the safety rope drum 5-3 to rotate, so that the safety rope drum 5-3 can rotate in a balanced and efficient manner, and the side surface of the safety rope drum 5-3 is provided with the reticulation 5-19, so that the friction between the safety rope 4 and the safety rope drum 5-3 can be increased, the safety rope 4 is prevented from slipping, and effective anti-falling protection cannot be provided for workers.
For better effect, the number of the lock hook sliding grooves 5-13 is four, the lock groove sliding grooves 5-13 are uniformly distributed on the periphery of the rotary disc 5-12 by taking the axis of the rotary disc 5-12 as the center of a circle, and the plurality of lock hook sliding grooves 5-13 correspond to the plurality of movable lock hooks 5-9, so that redundant protection can be provided for workers during falling, and the workers are prevented from being injured due to overhigh falling distance.
For better effect, the movable locking hook 5-9 comprises a hook head 5-16 and a hook body 5-17, the hook head 5-16 is long in section, so that the hook head can be conveniently buckled with the static locking hook 5-15, the weight of the movable locking hook 5-9 is increased to increase the centrifugal force of the movable locking hook and improve the sensitivity of falling protection, the hook head 5-16 and the static locking hook 5-15 can be matched in shape to realize locking, and the hook body 5-17 is a solid cylinder.
For better effect, the main body of the device main frame 5-8 is circular in section, six static locking hooks 5-15 are arranged, the static locking hooks 5-15 are only arranged in the lower half section of the device main frame 5-8, the upper half vacant position can provide an effective buffering position for centrifugal movement of the dynamic locking hooks 5-9, and the dynamic locking hooks are buckled with the static locking hooks 5-15 positioned on the lower half section after reaching the effective position.
For better effect, the tail ends of the retaining hooks 1-3 of the safety rope retaining hook 1 are provided with the folded elbows 1-6, so that the safety rope 4 can be more effectively prevented from being separated from the foot nails 2 and suspended, the foot nails 2 can be ensured to hang the safety rope 4 when workers fall, and protection is provided for the workers.
For better effect, the safety rope 4 is a twisted high-strength safety rope or a steel wire rope, and has larger friction force with the safety rope drum 5-3 on the premise of ensuring the strength, thereby providing reliable anti-falling protection for workers.
For better effect, the top of the speed difference automatic control device 5 is provided with the fixed modules 5-20, and the speed difference automatic control device 5 can be fixed at the bottom of the tower through the fixed modules 5-20, so that the practicability of the anti-falling device on the tower is improved.
According to the invention, the original foot nails 2 on the tower can be effectively utilized, the safety rope retaining hooks 1 are arranged on the foot nails 2 on one side of the angle steel upright stanchions 3, and the grooves formed by the safety rope retaining hooks 1, the foot nails 2 and the angle steel upright stanchions 3 can effectively block the safety ropes 4 and prevent the safety ropes from sliding out in the climbing process of workers; the safety rope 4 enters the speed difference automatic control device 5 from an inlet guide pipe 5-7 of the speed difference automatic control device 5, winds a safety rope rotary drum 5-3 along a safety rope guide ring 5-4, and then passes through an outlet guide pipe 5-6 to go out of the speed difference automatic control device 5; before climbing a tower, the speed difference automatic control device 5 is fixed at the bottom of the tower, the safety rope 4 passes through a groove formed by the safety rope stop hook 1, the foot nail 2 and the angle iron upright stanchion 3 after going out of the speed difference automatic control device 5 and is connected with a safety belt hook of a worker, when the worker climbs the tower, the safety rope 4 is pulled to move upwards together, and the safety rope 4 is put into the groove formed by the safety rope stop hook 1, the foot nail 2 and the angle iron upright stanchion 3, namely the safety rope 4 and the worker are positioned at two sides of the foot nail 2 provided with the safety rope stop hook 1, the safety rope 4 rotates by pulling the safety rope drum 5-3 in the upward moving process, when the safety rope drum 5-3 rotates, the rotating disc 5-12 is driven to rotate by the connecting shaft 5-11, when the worker normally climbs the tower, the upward moving speed of the safety rope 4 is slower, the rotating speed of the rotating disc 5-12 is less, the movable locking hook 5-9 overcomes the centrifugal force under the pulling force of the control spring 5-14, does not move outwards too much, cannot be buckled with the static locking hook 5-15, and the rotary disc 5-12 rotates normally; when a worker falls due to errors and the like, the safety rope 4 is still positioned in the groove under the blocking of the safety rope blocking hook 1, the rotary disc 5-12 is suddenly and rapidly rotated by the safety rope 4 connected with the speed difference automatic control device 5, the movable locking hook 5-9 overcomes the tensile force of the control spring 5-14 to move outwards under the action of centrifugal force and is buckled with the static locking hook 5-15 to prevent the rotary disc 5-12 from rotating, the safety rope rotary drum 5-3 stops rotating, the safety rope 4 generates large friction force due to winding on the safety rope rotary drum 5-3 along the safety rope guide ring 5-4 to prevent the safety rope 4 from moving, and meanwhile, the worker is suspended in the air through the foot nails 2 and the safety rope 4 to stop falling; in the rotation process of the safety rope drum 5-3, the safety rope 4 enters and exits the speed difference automatic control device 5 through the inlet guide pipe 5-7 and the outlet guide pipe 5-6, a clamping device can be arranged in or near the inlet guide pipe 5-7 and the outlet guide pipe 5-6 to clamp the safety rope 4, the tension state of the safety rope 4 in the speed difference automatic control device 5 is guaranteed, and the safety rope 4 can be prevented from being wound, loosened or knotted with the safety rope drum 5-3 in the speed difference automatic control device 5; the anti-falling device is reasonable in structure and convenient to operate and use, can be simply transformed by using the original foot nails 2 on the tower, provides reliable anti-falling protection for workers, reduces the construction and transformation cost, improves the efficiency of the workers climbing the tower, and reduces the labor intensity.
Claims (9)
1. Anti-falling device on shaft tower, it includes foot nail (2), safety rope (4), its characterized in that: a safety rope retaining hook (1) is fixedly arranged on the foot nail (2), the safety rope retaining hook (1) comprises a connecting cap (1-1), a retaining hook (1-3) is fixedly connected to the left side face of the connecting cap (1-1), a connecting hole (1-4) penetrating through the connecting cap (1-1) is formed in the connecting cap (1-1), and a locking bolt (1-2) is in threaded connection with the right side face of the connecting cap (1-1); the anti-falling device on the tower comprises a speed difference automatic control device (5), wherein the speed difference automatic control device (5) comprises a main device frame (5-8), the left side of the main device frame (5-8) is fixedly connected with a front end cover (5-1), the front end cover (5-1) is fixedly connected with the main device frame (5-8) through an end cover locking bolt (5-5), the middle part of the right side surface of the front end cover (5-1) is provided with a check ring (5-2), the right side of the main device frame (5-8) is fixedly connected with a rear end cover (5-10), and the rear end cover (5-10) is fixedly connected with the main device frame (5-8) through the end cover locking bolt (5-5); the device comprises a main frame (5-8) and a main frame body (5-18), wherein the left side surface of the main frame body (5-18) is rotatably connected with a safety rope drum (5-3), the safety rope drum (5-3) is provided with a spiral safety rope guide ring (5-4), the right side surface of the main frame body (5-18) is rotatably connected with a connecting shaft (5-11), the connecting shaft (5-11) is fixedly connected with the safety rope drum (5-3), the right end surface of the connecting shaft (5-11) is fixedly connected with a rotary disc (5-12), a lock hook sliding groove (5-13) is arranged inside the rotary disc (5-12), a dynamic lock hook (5-9) and a control spring (5-14) are arranged inside the lock hook sliding groove (5-13), the locking hook sliding groove (5-13) is connected with the movable locking hook (5-9) in a sliding mode, one end of the control spring (5-14) is connected to the bottom of the locking hook sliding groove (5-13), and the other end of the control spring (5-14) is connected to the bottom of the movable locking hook (5-9); the device is characterized in that a static locking hook (5-15) is arranged on the right side face inside the main frame (5-8), an inlet guide pipe (5-7) is arranged at the bottom of the left side of the main frame (5-8), and an outlet guide pipe (5-6) is arranged at the top of the left side of the main frame (5-8).
2. A fall arrest device on a tower as claimed in claim 1, wherein: the connecting cap (1-1) of the safety rope catch hook (1) is cylindrical, two transition grooves (1-5) are formed in the connecting cap (1-1), and the transition grooves (1-5) penetrate through two end faces of the connecting cap (1-1).
3. A fall arrest device on a tower as claimed in claim 1, wherein: the check ring (5-2) is connected with the safety rope rotating cylinder (5-3) in a sliding mode, and the side face of the safety rope rotating cylinder (5-3) is provided with a reticulate pattern (5-19).
4. A fall arrest device on a tower as claimed in claim 1, wherein: the number of the lock hook sliding grooves (5-13) is four, and the lock groove sliding grooves (5-13) are uniformly distributed on the periphery of the rotary table (5-12) by taking the axis of the rotary table (5-12) as a circle center.
5. A fall arrest device on a tower as claimed in claim 1, wherein: the movable locking hook (5-9) comprises a hook head (5-16) and a hook body (5-17), the section of a hook of the hook head (5-16) is in a long strip shape, the hook head (5-16) and the static locking hook (5-15) can be matched in shape to realize locking, and the hook body (5-17) is a solid cylinder.
6. A fall arrest device on a tower as claimed in claim 1, wherein: the main body section of the device main frame (5-8) is circular, six static locking hooks (5-15) are arranged, and the static locking hooks (5-15) are only arranged in the lower half section of the device main frame (5-8).
7. A fall arrest device on a tower as claimed in claim 1, wherein: the tail end of the stop hook (1-3) of the safety rope stop hook (1) is provided with a fold elbow (1-6).
8. A fall arrest device on a tower as claimed in claim 1, wherein: the safety rope (4) is a stranded high-strength safety rope or a steel wire rope.
9. A fall arrest device on a tower as claimed in claim 1, wherein: and a fixing module (5-20) is arranged at the top of the speed difference automatic control device (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910984666.8A CN110624186A (en) | 2019-10-16 | 2019-10-16 | Anti-falling device on tower |
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| CN201910984666.8A CN110624186A (en) | 2019-10-16 | 2019-10-16 | Anti-falling device on tower |
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| CN110624186A true CN110624186A (en) | 2019-12-31 |
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| CN201910984666.8A Pending CN110624186A (en) | 2019-10-16 | 2019-10-16 | Anti-falling device on tower |
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| CN114159708A (en) * | 2021-12-16 | 2022-03-11 | 北京国联政通通信科技有限公司 | Communication tower with anti-falling device |
| CN115317827A (en) * | 2022-07-15 | 2022-11-11 | 北京国网富达科技发展有限责任公司 | Trackless tower-climbing safety protection device |
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