CN209687398U - A kind of falling proof device for ladder - Google Patents

Abstract

The utility model relates to safety protective tool technical fields, more particularly, to a kind of falling proof device for ladder.Including cabinet and it is set to the intracorporal battery of case, control module, driving motor, electrical hoist；The control module is electrically connected with driving motor and battery respectively, driving motor and electrical hoist are electrically connected, safety rope is wound in the shaft of the hoist engine, one end of safety rope is fixedly connected with shaft, the other end is equipped with safety hook, Gravity observation module is equipped on safety hook, the Gravity observation module and control module are wirelessly connected.A kind of falling proof device for ladder provided by the utility model is power source charges using solar energy and wind energy, does not need additionally to consume the energy；Simple high degree of automation is operated with, can safely and effectively guarantee the personal safety of operation maintenance personnel in time.

Description

An anti-fall device for climbing a ladder

technical field

The utility model relates to the technical field of safety protection tools, in particular to a fall prevention device for climbing ladders.

Background technique

In the existing technology, when it is necessary to repair high-altitude equipment or require equal-height operations, the operation and maintenance personnel must use the ladder to climb up to work. Occurrence of high-altitude fall accidents.

At present, the commonly used anti-fall tools are rail-type anti-fall devices, protective ropes and double-hook protection anti-fall tools, etc. Traditional anti-fall tools have complex structures and bulky volumes, and operation and maintenance personnel need to use the tools to climb with heavy loads, which is not conducive to high altitudes The development of the operation is likely to cause problems such as physical exhaustion of climbers. In addition, the cost of traditional fall prevention tools is relatively high, the operation and use are relatively cumbersome, and the degree of automation is low.

Utility model content

In order to overcome at least one defect of the prior art, the utility model provides a fall prevention device for a ladder, which is simple and convenient to operate, and can effectively improve the safety of operators when climbing the ladder.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a fall prevention device for climbing ladders, including a box body and a storage battery located in the box body, a control module, a driving motor, and an electric winch; the control module They are respectively electrically connected to the drive motor and the battery, the drive motor is electrically connected to the electric hoist, a safety rope is wound on the shaft of the hoist, one end of the safety rope is fixedly connected to the shaft, and the other end is provided with a safety hook. A gravity monitoring module is arranged on the hook, and the gravity monitoring module is wirelessly connected with the control module. The gravity monitoring module is installed on the safety hook, and the detected signal is transmitted to the control module. The control module controls the start, stop, forward and reverse rotation of the drive motor, and the drive motor drives the electric winch to start, stop and lift, so as to realize the lifting of the safety rope . When in use, hang the safety hook on the safety ring on the safety belt worn by the operator. During the normal climbing process of the operator, the electric winch controls the length of the safety rope according to the climbing height. When the operator falls , the electric winch stops rotating, and the operator is pulled by the safety rope to prevent him from falling from a high altitude. The operator only needs to put on the safety harness and does not need to carry other safety tools, which effectively reduces the working pressure of the operator.

Further, a photovoltaic panel and a wind generator are installed on the top of the box, and the storage battery is electrically connected to the photovoltaic panel and the wind generator respectively. Photovoltaic panels and wind generators convert solar and wind energy into electricity and store it in batteries, which provide electricity for the entire system.

Further, the bottom of the box is provided with a round hole, and the safety rope and the safety hook can pass through the hole to the outside of the box. During use, the safety hook and safety rope pass through the round hole to the outside of the box. When not in use, the safety rope and safety hook can be stored inside the box to avoid the influence of the sun and rain on the safety hook and safety rope. its service life.

Further, the bottom of the box body is provided with a mounting bracket, and a bolt hole is provided on the mounting bracket, and a bolt is provided in the bolt hole. The box is fixed on the fixed frame of the high-altitude equipment through the installation bracket, and it is installed through bolts, which is easy and convenient to operate.

Preferably, an LED light is provided at the bottom of the box, and the LED light is electrically connected to the control module. LED lights can provide lighting for operation and maintenance personnel to climb the ladder at night.

Preferably, the control module is an STM32 single-chip microcomputer.

Further, a control panel is also provided, and the control panel is electrically connected to the control module; a switch button, a lifting speed button and a display screen are arranged on the control panel. The control panel can be set in the substation where it is convenient for personnel to operate. The operator on the ground can control the anti-fall system in real time according to the status of the climber, and can manually adjust the start and stop of the electric winch and the lifting speed of the safety rope.

Preferably, the gravity monitoring module is a wireless gravity sensor.

Preferably, the safety hook is provided with a locking device for preventing the hook from being loosened. The locking device prevents the safety hook from falling off from the safety belt ring, effectively ensuring the personal safety of operation and maintenance personnel.

In the utility model, the operation and maintenance personnel lower the safety rope to the ground by operating the control panel before starting to climb the ladder, and hook the safety hook to the safety ring behind the safety belt of the operation and maintenance personnel, and place it on the control panel. Set an appropriate rising speed of the safety rope so that the safety rope is in a slack state, which does not affect the operation and maintenance personnel climbing the ladder. The operation and maintenance personnel can start and stop the hoist and adjust the rising speed of the safety rope through the control panel at any time during the climbing process. When the operation and maintenance personnel start to fall due to accidents such as foot slipping and stepping into the air, the gravity monitoring module detects an abnormal signal and transmits the signal to the control module, and the control module sends a signal to the drive motor to stop the winch immediately Clamp tightly to prevent the operation and maintenance personnel from falling. The operation and maintenance personnel can lower the safety rope through the control panel to make themselves safely land on the ground. When the operation and maintenance personnel work on a high place, the safety hook on the safety rope is reliably connected to the hanging ring behind the operation and maintenance personnel's safety belt, so that the operation and maintenance personnel are always in safety protection during the operation. The utility model not only has the advantages of reasonable design, simple installation, energy saving, environmental protection and strong practicability, but also is easy to operate and use, has a high degree of automation, and can guarantee the personal safety of operation and maintenance personnel in the whole process.

The utility model uses solar energy and wind energy to charge the power supply without additional energy consumption. It not only has the advantages of reasonable design, energy saving, environmental protection, and strong practicability, but also is easy to operate and use with a high degree of automation, which can ensure the personal safety of operation and maintenance personnel in a timely, safe and effective manner. Safety. In addition, the system is not limited to fall prevention for substation frame ladders, but is also suitable for climbing operations on other poles and iron bars, and has a wide range of applications.

Compared with the prior art, the beneficial effect is: the utility model provides a fall prevention device for climbing ladders, which uses solar energy and wind energy to charge the power supply without additional energy consumption; the operation is simple and highly automated, and it can be timely and safe Effectively guarantee the personal safety of operation and maintenance personnel.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic diagram of the internal structure of the utility model box.

Fig. 3 is a schematic diagram of the connection of the control system of the present invention.

Detailed ways

The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on the present utility model; in order to better illustrate this embodiment, some components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; For those skilled in the art, it is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation of the present utility model.

Example 1:

As shown in Fig. 1 and Fig. 2, a kind of anti-falling device that is used for climbing ladder, comprises box body 1 and is located at the storage battery 2 in box body 1, control module 3, driving motor 4, electric winch 5; Control module 3 respectively It is electrically connected with the drive motor 4 and the battery 2, the drive motor 4 is electrically connected with the electric hoist 5, a safety rope 6 is wound on the shaft of the hoist, one end of the safety rope 6 is fixedly connected with the shaft, and the other end is provided with a safety hook 7 , a gravity monitoring module is arranged on the safety hook 7, and the gravity monitoring module is connected with the control module 3 wirelessly. The gravity monitoring module is installed on the safety hook 7, and the detected signal is transmitted to the control module 3. The control module 3 controls the start, stop and forward and reverse of the drive motor 4, and the drive motor 4 drives the electric hoist 5 to start, stop and lift. Thereby realize the lifting of safety rope 6. When in use, the safety hook 7 is hung on the safety ring on the safety strap worn by the operator. During the normal climbing process of the operator, the electric hoist 5 controls the length of the safety rope 6 according to the climbing height. When the operator When falling, the electric hoist 5 stops rotating, and the operator is pulled by the safety rope 6 to prevent it from falling from a high altitude. The operator only needs to put on the safety harness and does not need to carry other safety tools, which effectively reduces the working pressure of the operator.

Wherein, a control panel 13 is also provided, and the control panel 13 is electrically connected with the control module 3 ; a switch button 14 , a lifting speed button 15 and a display screen 16 are arranged on the control panel 13 . The control panel 13 can be arranged at a position convenient for personnel to operate in the substation, and the operator on the ground can control the anti-fall system in real time according to the state of the climber, and can manually adjust the start and stop of the electric winch 5 and the lifting speed of the safety rope 6.

Specifically, a round hole 10 is provided at the bottom of the box body 1 , and the safety rope 6 and the safety hook 7 can pass through the round hole 10 to the outside of the box body 1 . During use, the safety hook 7 and the safety rope 6 pass through the round hole 10 to the outside of the box body 1. When not in use, the safety rope 6 and the safety hook 7 can be received inside the box body 1 to avoid the safety hook 7 and The safety rope 6 is exposed to the sun and rain and affects its service life. The safety hook 7 is provided with a locking device for preventing the hook from being loosened. The locking device prevents the safety hook 7 from falling off from the safety belt ring, effectively ensuring the personal safety of the operation and maintenance personnel.

In addition, the bottom of the box body 1 is provided with a mounting bracket 11, and a bolt hole is provided on the mounting bracket 11, and a bolt is provided in the bolt hole. The box body 1 is fixed on the top of the substation frame by means of the mounting bracket 11 and installed by bolts, and the operation is simple and convenient; there is no need to make changes to the existing substation frame, only need to drill bolt holes on the frame.

In this embodiment, the control module 3 is a STM32 single-chip microcomputer, and the gravity monitoring module is a wireless gravity sensor.

In the present utility model, the operation and maintenance personnel lower the safety rope 6 to the ground by operating the control panel 13 before starting to climb the ladder, and hook the safety hook 7 on the safety ring behind the operation and maintenance personnel's safety belt, and The ascent speed of the safety rope 6 is set on the control panel 13 so that the safety rope 6 is in a slack state, which does not affect the operation and maintenance personnel climbing the ladder. The operation and maintenance personnel can start and stop the hoist, adjust the The ascent speed of safety rope 6. When the operation and maintenance personnel start to fall due to accidents such as foot slipping and stepping into the air, the gravity monitoring module detects an abnormal signal and transmits the signal to the control module 3, and the control module 3 sends a signal to the drive motor 4 to stop the hoist immediately Fasten the safety rope 6 to prevent the operation and maintenance personnel from falling, and the operation and maintenance personnel can lower the safety rope 6 through the control panel 13 to make themselves safely land on the ground. When the operation and maintenance personnel climbed to a high place to work, the safety hook 7 on the safety rope 6 was reliably connected with the hanging ring behind the operation and maintenance personnel's safety belt, so that the operation and maintenance personnel were always in safety protection during the operation. The utility model not only has the advantages of reasonable design, easy installation, energy saving, environmental protection and strong practicability, but also is easy to operate and use, has a high degree of automation, and can guarantee the personal safety of operation and maintenance personnel in the whole process.

Example 2

The structure of this embodiment is the same as that of Embodiment 1. The difference is that a photovoltaic panel 8 and a wind generator 9 are arranged on the top of the box body 1, and the storage battery 2 is electrically connected to the photovoltaic panel 8 and the wind generator 9 respectively. Photovoltaic panel 8 and wind generator 9 convert solar energy and wind energy into electrical energy and store it in storage battery 2, and storage battery 2 provides electrical energy for the entire system. Using solar energy and wind energy to charge the power supply does not require additional energy consumption, and not only has the advantages of reasonable design, energy saving, environmental protection, and strong practicability.

Example 3

The structure of this embodiment is the same as that of the first embodiment, except that an LED light 12 is provided at the bottom of the box body 1 , and the LED light 12 is electrically connected to the control module 3 . The LED lamp 12 can provide lighting for the operation and maintenance personnel to climb the ladder at night.

Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (9)

1. A fall prevention device for climbing ladders, characterized in that it comprises a casing (1) and a storage battery (2), a control module (3), a drive motor (4), an electric Hoist (5); the control module (3) is electrically connected with the drive motor (4) and the storage battery (2) respectively, and the drive motor (4) is electrically connected with the electric hoist (5). A safety rope (6) is wound on the rotating shaft, and one end of the safety rope (6) is fixedly connected to the rotating shaft, and the other end is provided with a safety hook (7), and a gravity monitoring module is arranged on the safety hook (7). The module is wirelessly connected with the control module (3). 2. A kind of anti-fall device for climbing ladders according to claim 1, characterized in that, the top of the box (1) is provided with a photovoltaic panel (8) and a wind generator (9), and the The battery (2) is electrically connected to the photovoltaic panel (8) and the wind generator (9) respectively. 3. A kind of anti-fall device for climbing ladder according to claim 1, characterized in that, the bottom of the box (1) is provided with a round hole (10), the safety rope (6) and safety The hook (7) can pass through the round hole (10) to the outside of the box body (1). 4. A kind of anti-fall device for climbing a ladder according to claim 3, characterized in that, the bottom of the box (1) is provided with a mounting bracket (11), and a bolt is provided on the mounting bracket (11) The hole is provided with a bolt in the bolt hole. 5. A kind of anti-fall device for climbing a ladder according to claim 3, characterized in that, the bottom of the box (1) is provided with an LED light (12), and the LED light (12) and the control module (3 ) are electrically connected. 6. A fall prevention device for ladders according to any one of claims 1 to 5, characterized in that the control module (3) is a STM32 single-chip microcomputer. 7. A kind of fall prevention device for climbing ladder according to claim 6, is characterized in that, also is provided with control panel (13), and described control panel (13) is electrically connected with control module (3); The control panel (13) is provided with a switch button (14), a lifting speed button (15) and a display screen (16). 8 . The fall prevention device for ladders according to claim 6 , wherein the gravity monitoring module is a wireless gravity sensor. 9. A fall prevention device for a ladder according to claim 8, characterized in that, the safety hook (7) is provided with a locking device for preventing the hook from being loosened.