CN112915419B - Safety information control method for high-altitude operation - Google Patents
Safety information control method for high-altitude operation Download PDFInfo
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- CN112915419B CN112915419B CN202110228383.8A CN202110228383A CN112915419B CN 112915419 B CN112915419 B CN 112915419B CN 202110228383 A CN202110228383 A CN 202110228383A CN 112915419 B CN112915419 B CN 112915419B
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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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Abstract
The invention provides an aerial work safety information management and control method, which adopts a background management system and an aerial work monitoring system, wherein the aerial work monitoring system is arranged on a safety belt and can judge whether the height of a platform where a constructor wearing the safety belt is positioned is higher than a set safety height or not, and the aerial work monitoring system can judge whether the safety distance of the constructor wearing the safety belt away from the edge of the platform is larger than a set safety width or not, so that the automatic safety management and control of the aerial work of the constructor are facilitated, the problems of low automation degree, low aerial work management efficiency and potential safety hazards of the constructor wearing the safety belt are solved, and in addition, by additionally arranging a safety belt hook monitoring system, the safety belt hook monitoring system can judge whether a hook is hung on a fixing piece by the constructor or and ensure that the constructor correctly uses the safety belt.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a safety information control method for aerial work.
Background
The national standard GB3608-2008 high-altitude operation classification stipulates that the operation is carried out at high altitude with the possibility of falling more than 2m (including 2 m) of the falling height datum plane and is called high altitude operation. "
When the constructor works at a high place, the constructor needs to wear the safety belt. The proper use of the safety belt includes both wearing the safety belt on the construction personnel and attaching a hook attached to the safety belt to a secure mounting.
At present, constructors wear the management and control at the safety belt of high-altitude operation personnel and mainly rely on the field management of managers, and the management and control of informatization is realized to the means of few adoption informatization, and not only the management efficiency is low, has the potential safety hazard moreover.
Therefore, the technical problem to be solved in the field is urgent to identify whether a constructor is working high above the ground in real time so as to manage and control the wearing of the safety belt for the construction working high above the ground.
Disclosure of Invention
The invention aims to provide a safety informatization management and control method for aerial work, which solves the problems that whether constructors are in aerial work or not cannot be automatically identified, the aerial work management efficiency is low, and potential safety hazards exist.
In order to solve the technical problems, the invention provides the following technical scheme:
a safety information control method for high-altitude operation comprises the following steps:
step 3, the background management system displays that the constructor is in an unsafe construction state;
and 6, the background management system displays that the constructors are in a safe construction state, and the step 1 is returned until the background management system closes the aerial work monitoring system and the safety belt hook monitoring system.
Preferably, in the aerial work safety information management and control method, the aerial work monitoring system comprises three range finders, the three range finders comprise a range finder positioned in the middle and two range finders positioned on the outer sides, the two range finders positioned on the outer sides are symmetrically arranged on two sides of the range finder positioned in the middle, the three range finders are positioned in the same vertical plane, the three range finders are respectively in communication connection with the background management system, the angles of the range finders positioned on the outer sides can rotate, the range finder positioned in the middle measures the distance L to the platform, the distance measured by the range finder positioned on the outer side is X1 and X2 respectively, X1 and X2 are the distance from the range finder positioned on the outer side to a platform or the ground, the platform is higher than the ground, the included angles between the axis of the range finder positioned on the outer side and the axis of the range finder positioned in the middle are alpha 1 and alpha 2 respectively, the set safety height is H, the heights of the platforms where constructors are located obtained by using different external range finders are M1 and M2 respectively, wherein M1= X1 × cos alpha 1-L, M2= X2 × cos alpha 2-L, and when M1 is not less than H or M2 is not less than H, the constructors are in an aerial work state; when M1< H and M2< H, the constructor is in a non-aerial work state.
Preferably, in the aerial work safety information management and control method, the safety distance from the edge of the platform for the constructor is set to be D, included angles α 1 and α 2 between the axis of the range finder positioned on the outer side and the axis of the range finder positioned in the middle can change along with the change of the distance L measured by the range finder positioned in the middle, and the requirements that α 1= arctan (D/L) and α 2= arctan (D/L) are met, when X1> L/COS α 1 or X2> L/COS α 2, the distance from the edge of the platform for the constructor is smaller than the set safety distance from the edge of the platform for the constructor, and the constructor is in an unsafe construction state and reminds the constructor to hang the hook on the fixing piece in time; when X1= L/COS alpha 1 and X2= L/COS alpha 2, the distance between the constructor and the platform edge is larger than or equal to the set safe distance between the constructor and the platform edge, and the constructor is in a safe construction state.
Preferably, in the aerial work safety information management and control method, the aerial work monitoring system further includes a mounting plate, a guide rod, a slider and two support rods, the mounting plate is fixed to the safety belt, the guide rod is mounted on the mounting plate and vertically arranged, the distance meter located in the middle is mounted at the lower end of the guide rod and vertically arranged, the slider is arranged on the guide rod and can move up and down along the guide rod, the two support rods are symmetrically arranged on two sides of the guide rod, one ends of the two support rods are respectively hinged to the slider, the other ends of the two support rods are respectively hinged to the upper portion of the distance meter located in the outer side, the lower portion of the distance meter located in the outer side is respectively hinged to the mounting plate, and the slider moves up and down to change an included angle between an axial lead of the distance meter located in the outer side and an axial lead of the distance meter located in the middle.
Preferably, in the aerial work safety information management and control method, the slider is a self-powered slider, and the self-powered slider is in communication connection with the background management system, or the slider is driven by a driving motor, and the driving motor is in communication connection with the background management system.
Preferably, in the safety information management and control method for high-altitude operation, the background management system judges whether the constructor attaches the hook to the fixing member through the safety belt hook monitoring system, and when the safety belt hook monitoring system judges that the constructor does not attach the hook to the fixing member, the constructor is in a non-safety state, and the step 4 is performed; and (6) when the safety belt hook monitoring system judges that the constructor hangs the hook on the fixing piece, indicating that the constructor is in a safe construction state, and performing step 6.
Preferably, in the safety information management and control method for high-altitude operation, the safety belt hook monitoring system comprises an infrared monitoring device, a hook power supply and a hook signal transmitting device, the infrared monitoring device comprises an infrared transmitting device and an infrared receiving device, the hook is provided with a space for accommodating the fixing piece, the infrared transmitting device and the infrared receiving device are arranged on the hook and located on two sides of the space, the hook power supply respectively supplies power to the infrared transmitting device, the infrared receiving device and the hook signal transmitting device, and the infrared transmitting device and the infrared receiving device are respectively in communication connection with the background management system through the hook signal transmitting device.
Preferably, in the above method for automatically controlling safety of aerial work, the hook includes a hook body having an opening and a buckle with a spring pin, one end of the buckle with the spring pin is hinged to one end of the opening of the hook body through a pin, the buckle with the spring pin can rotate around the pin, and the buckle with the spring pin can close the opening under the action of a spring of the buckle without external force, the infrared receiver is disposed on the hook body and divides the hook body into two spaces, the two spaces include a first space for a safety rope to pass through and a second space for a fixing member to pass through, the opening is located on the hook body corresponding to the second space, and the infrared emitter is disposed on an inner wall of an end portion of the hook body corresponding to the second space, which is far away from the infrared receiver.
Preferably, in the safety information management and control method for high-altitude operation, between the step 3 and the step 4, before the background management system judges whether the constructor attaches the hook to the fixing member through the safety belt hook monitoring system, the opening and closing recognition device judges whether the latch with the spring of the hook is attached through opening and closing actions, the opening and closing recognition device is arranged at the other end of the latch with the spring, the opening and closing recognition device is in communication connection with the background management system, if the latch with the spring of the hook is attached through opening and closing actions, the background management system judges whether the constructor attaches the hook to the fixing member through the safety belt hook monitoring system, and if the latch with the spring of the hook is not attached through opening and closing actions, the step 4 is performed.
Preferably, in the safety information management and control method for high-altitude operation, the switching identification device includes a fixed contact, a movable contact, a power-off counter and a battery, the power-off counter and the battery are respectively disposed on a wire connecting the fixed contact and the movable contact, the fixed contact is disposed on the hook body, the movable contact is disposed on the buckle with the spring pin, when the buckle with the spring pin closes the opening, the movable contact contacts the fixed contact, when the buckle with the spring pin opens the opening, the movable contact is separated from the fixed contact, the power-off counter can identify whether the circuit is powered off or not and the number of times of power off, and the power-off counter is in communication connection with the background management system through the hook signal emission device.
According to the technical scheme disclosed above, compared with the prior art, the invention has the following beneficial effects:
according to the high-altitude operation safety information management and control method provided by the invention, the high-altitude operation monitoring system is in communication connection with the background management system by adopting the background management system and the high-altitude operation monitoring system, the high-altitude operation monitoring system is arranged on the safety belt and can judge whether the platform height of a constructor wearing the safety belt is higher than a set safety height, if the platform height is higher than or equal to the set safety height, the constructor can be reminded to wear the safety belt, if the platform height is lower than the set safety height, the constructor is determined to be in a non-high-altitude operation state, the constructor does not need to wear the safety belt, so that the high-altitude operation information management and control of the constructor is favorably realized, and the problems of low high-altitude operation management efficiency and potential safety hazard caused by the fact that the constructor wears the safety belt are solved. In addition, whether constructors depend on the hook on the fixing part or not can be judged by arranging the safety belt hook monitoring system, and the constructors are guaranteed to use the safety belt correctly.
Drawings
Fig. 1 is a schematic structural view of an aerial work safety control system of the present invention.
Fig. 2 is a front view of the aerial work monitoring system of the present invention (not shown with a protective frame).
Fig. 3 is a side view of the aerial work monitoring system of the present invention.
Fig. 4 is a schematic diagram of an aerial work monitoring system of the present invention.
Fig. 5 is a schematic structural view of a safety belt hook monitoring system (when the hook is opened) according to the present invention.
Fig. 6 is a schematic structural view of a safety belt hook monitoring system (when the hook is closed) according to the present invention.
Fig. 7 is a side view of fig. 6.
In the figure: 1-overhead working monitoring system, 11-distance measuring instrument, 12-mounting plate, 13-guide bar, 14-slide block, 15-stay bar, 16-overhead signal transmitting module, 17-overhead power supply, 18-protective frame, 2-hook, 21-hook body, 22-latch with spring, 23-pin shaft, 241-fixed contact, 242-movable contact, 243-power-off counter, 244-battery, 25-first space, 26-second space, 27-stop block, 3-safety belt, 4-safety belt hook monitoring system, 41-infrared transmitting device, 42-infrared receiving device, 43-hook power supply, 44-hook signal transmitting device, 5-safety rope, 6-platform and 7-ground.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The technical contents and features of the present invention will be described in detail below with reference to the embodiments illustrated in the accompanying drawings. It is further noted that the drawings are in greatly simplified form and are not to precise scale, merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Referring to fig. 1 to 7, the embodiment discloses an aerial work safety control system, which includes a background management system (not shown) and an aerial work monitoring system 1, wherein the aerial work monitoring system 1 is in communication connection with the background management system, the aerial work monitoring system 1 is disposed on a safety belt 3, and the aerial work monitoring system 1 can determine whether a height of a platform 6 where a constructor wearing the safety belt 3 is located is higher than a set safety height.
According to the high-altitude operation safety control system provided by the invention, the high-altitude operation monitoring system 1 is in communication connection with the background management system through the background management system and the high-altitude operation monitoring system 1, the high-altitude operation monitoring system 1 is arranged on the safety belt 3, the high-altitude operation monitoring system 1 can judge whether the height of a platform 6 where a constructor wearing the safety belt 3 is located is higher than a set safety height, if the height is higher than or equal to the set safety height, the constructor is judged to be in a high-altitude operation state, the constructor can be reminded to wear the safety belt, if the height is lower than the set safety height, the constructor is judged to be in a non-high-altitude operation state, the constructor does not need to wear the safety belt, so that high-altitude operation informatization control of the constructor is favorably realized, and the problems of low high-altitude operation management efficiency and potential safety hazards caused by the fact that the constructor safety belt 3 is worn and controlled are solved.
Preferably, in the above-mentioned safety control system for aerial work, the monitoring system for aerial work 1 includes three distance measuring instruments 11, the three distance measuring instruments 11 include a distance measuring instrument 11 located in the middle and two distance measuring instruments 11 located in the outer sides, the two distance measuring instruments 11 located in the outer sides are symmetrically disposed on two sides of the distance measuring instrument 11 located in the middle, the three distance measuring instruments 11 are located in the same vertical plane, the three distance measuring instruments 11 are respectively in communication connection with the background management system, and angles of the distance measuring instruments 11 located in the outer sides can both rotate. The distance from the distance measuring instrument 11 in the middle to the platform 6 where the constructor is located can be measured through the distance measuring instrument 11 in the middle; the distance from the outside distance measuring device 11 to the platform 6 or the ground 7 on which the constructor is located can be determined by the outside distance measuring device 11.
Preferably, in the above safety control system for high altitude operations, the distance measured by the distance meter 11 located in the middle is L, the distances measured by the distance meters 11 located in the outer sides are X1 and X2, respectively, the platform 6 is higher than the ground 7, X1 and X2 may be the distance from the distance meter 11 located in the outer side to the platform 6, and may also be the distance from the distance meter 11 located in the outer side to the ground 7, in this embodiment, X1 is the distance from the distance meter 11 located in the outer side to the platform 6, X2 is the distance from the distance meter 11 located in the outer side to the ground 7, the included angles between the axis of the range finder 11 positioned on the outer side and the axis of the range finder 11 positioned on the middle side are respectively alpha 1 and alpha 2, and the set safe height is H, in the embodiment, H =2 meters, and the heights of the platforms 6 where the constructors are positioned obtained by using different external range finders 11 are respectively M1 and M2, wherein M1= X1 × cos alpha 1-L and M2= X2 × cos alpha 2-L, and when M1 is not less than H or M2 is not less than H, the constructors are in an aerial work state, that is, the height of the platform 6 where the constructors are positioned is higher than the safe height H, and the construction workers belong to the aerial work state; when M1< H and M2< H, the constructor is in a non-aerial work state.
Preferably, in the above-mentioned safety control system for aerial work, the safety distance from the edge of the platform 6 for the constructor is set to be D, in this embodiment, D =1 meter, both the included angles α 1 and α 2 between the axis of the range finder 11 located at the outer side and the axis of the range finder 11 located at the middle part can be changed along with the change of the distance L measured by the range finder 11 located at the middle part, and α 1= arctan (D/L) and α 2= arctan (D/L) are satisfied, when X1> L/COS α 1 or X2> L/COS α 2, it indicates that the distance from the edge of the platform 6 for the constructor is less than the set safety distance from the edge of the platform 6, and the constructor is reminded to hang the hook 2 on the fixing member (not shown in the figure) in time; when X1= L/COS α 1 and X2= L/COS α 2, it indicates that the distance from the edge of the platform 6 by the constructor is equal to or greater than the set safe distance from the edge of the platform 6 by the constructor, and the constructor is in a safe construction state.
Preferably, in the above-mentioned safety control system for aerial work, the monitoring system for aerial work 1 further includes a mounting plate 12, a guide rod 13, a slider 14 and two stay bars 15, the mounting plate 12 is fixed to the safety belt 3, the guide rod 13 is mounted on the mounting plate 12 and vertically disposed, the distance meter 11 located in the middle is mounted at the lower end of the guide rod 13 and vertically disposed, the slider 14 is disposed on the guide rod 13 and can move up and down along the guide rod 13, the two stay bars 15 are symmetrically disposed at two sides of the guide rod 13, one end of each of the two stay bars 15 is hinged to the slider 14, the other end of each of the two stay bars 15 is hinged to the upper portion of the distance meter 11 located in the outer side, the lower portion of the distance meter 11 located in the outer side is hinged to the mounting plate 12, and the slider 14 can change included angles α 1 and α 2 between the axial line of the distance meter 11 located in the outer side and the axial line of the distance meter 11 located in the middle by moving up and down. With the above configuration, the angle between the axis of the outer distance meter 11 and the axis of the middle distance meter 11 is always equal to α 1 and α 2, that is, α 1= α 2. In this embodiment, the slider 14 is a self-powered slider 14, and the self-powered slider 14 is in communication connection with a background management system. With the structure, the background management system can control the self-powered slider 14 to move up and down according to the distance L measured by the distance meter 11 located in the middle, so that the included angles α 1 and α 2 between the axis of the distance meter 11 located on the outer side and the axis of the distance meter 11 located in the middle can be changed along with the change of the distance L measured by the distance meter 11 located in the middle, and α 1= arctan (D/L) and α 2= arctan (D/L) are satisfied.
Of course, the slider 14 is driven by a driving motor (not shown), and the driving motor is in communication connection with the background management system.
Preferably, in the above-mentioned safety control system for aerial work, the monitoring system for aerial work 1 further includes a protection frame 18, and the mounting plate 12, the guide bar 13, the slider 14, the stay bar 15 and the three distance meters are all disposed in the protection frame 18, and are used for protecting the guide bar 13, the slider 14 and the distance meters 11 from being damaged by external force.
Preferably, in the above aerial work safety management and control system, the aerial work monitoring system 1 further includes an aerial signal transmitting module 16 and an aerial power supply 17, the aerial power supply 17 can supply power to the three distance meters 11 and the aerial signal transmitting module 16, and the three distance meters 11 are in communication connection with the background management system through the aerial signal transmitting module 16.
Preferably, in the aerial work safety control system, the aerial work safety control system further comprises a safety belt hook monitoring system 4, the safety belt hook monitoring system 4 is in communication connection with the background management system, the safety belt hook monitoring system 4 is installed on the hook 2, the hook 2 is connected with the safety belt 3, and the safety belt hook monitoring system 4 can judge whether a constructor hangs the hook 2 against the fixing piece.
Preferably, in the above aerial work safety control system, the safety belt hook monitoring system 4 includes an infrared monitoring device, a hook power supply 43 and a hook signal transmitting device 44, the infrared monitoring device includes an infrared transmitting device 41 and an infrared receiving device 42, the hook 2 has a space for accommodating the fixing member, the infrared transmitting device 41 and the infrared receiving device 42 are disposed on the hook 2 and located at two sides of the space, the hook power supply 43 respectively supplies power to the infrared transmitting device 41, the infrared receiving device 42 and the hook signal transmitting device 44, and the infrared transmitting device 41 and the infrared receiving device 42 are respectively in communication connection with the background management system through the hook signal transmitting device 44. With the safety belt hook monitoring system 4 with the structure, the infrared transmitting device 41 transmits infrared rays, the infrared receiving device 42 sends information whether the infrared rays are received to the background management system, and when the hook 2 is not hung on a fixed part, the infrared receiving device 42 can receive the infrared rays transmitted by the infrared transmitting device 41; when the hook 2 is hung on the fixing member, the infrared receiving device 42 does not receive the infrared rays emitted from the infrared emitting device 41.
Preferably, in the above-mentioned safety information control system for aerial work, stoppers 27 are provided on both sides of the middle portion of the hook in the thickness direction, and the infrared receiver 42 can be protected by the stoppers 27.
Preferably, in the above-mentioned aerial work safety control system, the hook 2 includes the hook body 21 with the opening and the buckle 22 with the spring catch, one end of the buckle 22 with the open-ended one end of the hook body 21 is hinged through the pin shaft 23, the buckle 22 with the spring catch can rotate around the pin shaft 23, and the buckle 22 with the spring catch can be closed under the effect of self spring under the condition of no external force the opening, the infrared receiving device 42 is disposed on the hook body 21 and divides the hook body 21 into two spaces, the two spaces include the first space 25 through which the safety rope 5 passes and the second space 26 through which the fixing member passes, the opening is located on the hook body 21 corresponding to the second space 26, and the inner wall of the end portion of the hook body 21 corresponding to the second space 26, which is far away from the infrared receiving device 42, is provided with the infrared emitting device 41.
Preferably, in the above-mentioned safety control system for high-altitude operations, an opening and closing recognition device is arranged at the other end of the buckle with spring pin 22, the opening and closing recognition device can recognize whether the buckle with spring pin 22 of the hook 2 is opened or closed, the opening and closing recognition device is in communication connection with the background management system, and the opening and closing recognition device is arranged to recognize whether the buckle with spring pin 22 of the hook 2 is opened or closed, so that the reliability of the hanging of the safety belt 3 can be improved.
Preferably, in the above-mentioned safety control system for high altitude operations, the open/close recognition device includes a fixed contact 241, a movable contact 242, a power-off counter (not shown) and a battery (not shown), the power-off counter and the battery are respectively disposed on a wire connecting the fixed contact 241 and the movable contact 242, the fixed contact 241 is disposed on the hook body 21, the movable contact 242 is disposed on the latch 22, when the latch 22 is closed to the opening, the movable contact 242 is in contact with the fixed contact 241, when the latch 22 is opened to the opening, the movable contact 242 is separated from the fixed contact 241, the power-off counter can recognize whether the circuit is powered off or not and the number of times of power-off, and the power-off counter is in communication connection with the background management system through the hook signal emission device 44. By adopting the opening and closing recognition device with the structure, whether the latch 22 with the spring of the hook 2 is opened or closed can be recognized, so that the reliability of the hanging of the safety belt 3 can be improved.
With continuing reference to fig. 1 to 7, the present embodiment further discloses an aerial work safety information management and control method, which adopts the aerial work safety management and control method described above, and the method includes:
step 3, the background management system displays that the constructors are in an unsafe construction state;
and 6, the background management system displays that the constructor is in a safe construction state, and returns to the step 1 until the background management system closes the high-altitude operation monitoring system 1.
Preferably, in the aerial work safety information management and control method, the aerial work monitoring system 1 includes three distance meters 11, the three distance meters 11 include a distance meter 11 located in the middle and two distance meters 11 located on the outer sides, the two distance meters 11 located on the outer sides are symmetrically disposed on two sides of the distance meter 11 located in the middle, the three distance meters 11 are located in the same vertical plane, the three distance meters 11 are respectively in communication connection with the background management system, angles of the distance meters 11 located on the outer sides can all rotate, a distance measured by the distance meter 11 located in the middle is L, distances measured by the distance meters 11 located on the outer sides are respectively X1 and X2, the platform 6 is higher than the ground 7, and both X1 and X2 are distances from the distance meter 11 located on the outer sides to the platform 6 or the ground 7, that is, X1 and X2 may be the distance from the outer distance meter 11 to the platform 6 and may also be the distance from the outer distance meter 11 to the ground 7, in this embodiment, X1 is the distance from the outer distance meter 11 to the platform 6, X2 is the distance from the outer distance meter 11 to the ground 7, the included angles between the axis of the outer distance meter 11 and the axis of the middle distance meter 11 are α 1 and α 2, respectively, and the set safety height is H, in this embodiment, H =2 meters, and the heights of the platforms 6 where the constructors are located, which are obtained by using different outer distance meters 11, are M1 and M2, respectively, where M1= X1 × cos α 1-L and M2= X cos α 2-L, and when M1 ≧ H or M2 ≧h, it indicates that the constructor is in an aerial work state; when M1< H and M2< H, the constructor is in a non-overhead working state.
Preferably, in the safety information control method for aerial work, the safety distance from the edge of the platform 6 for the constructor is set to be D, in this embodiment, D =1 meter, the included angles α 1 and α 2 between the axis of the distance meter 11 located at the outer side and the axis of the distance meter 11 located at the middle part can change along with the change of the distance L measured by the distance meter 11 located at the middle part, and α 1= arctan (D/L) and α 2= arctan (D/L) are satisfied, when X1> L/COS α 1 or X2> L/COS α 2, it means that the distance from the edge of the platform 6 for the constructor is smaller than the set safety distance from the edge of the platform 6 for the constructor, and the constructor is reminded of hanging the hook 2 on the fixing member in time; when X1= L/COS α 1 and X2= L/COS α 2, it indicates that the distance from the edge of the platform 6 to the constructor is greater than or equal to the set safe distance from the edge of the platform 6, and the constructor is in a safe construction state.
Preferably, in the aerial work safety information management and control method, the aerial work monitoring system 1 further includes a mounting plate 12, a guide rod 13, a slider 14, and two support rods 15, the mounting plate 12 is fixed to the safety belt 3, the guide rod 13 is mounted on the mounting plate 12 and vertically disposed, the distance meter 11 located in the middle is mounted at the lower end of the guide rod 13 and vertically disposed, the slider 14 is disposed on the guide rod 13 and can move up and down along the guide rod 13, the two support rods 15 are symmetrically disposed at two sides of the guide rod 13, one end of each of the two support rods 15 is hinged to the slider 14, the other end of each of the two support rods 15 is hinged to the upper portion of the distance meter 11 located in the outer side, the lower portion of the distance meter 11 located in the outer side is hinged to the mounting plate 12, and the slider 14 can change an included angle between the axis of the distance meter 11 located in the outer side and the axis of the distance meter 11 located in the middle when moving up and down. With the above configuration, the angles α 1 and α 2 between the axis of the outer distance meter 11 and the axis of the middle distance meter 11 are always equal, that is, α 1= α 2. In this embodiment, the slider 14 is a self-powered slider 14, and the self-powered slider 14 is in communication connection with a background management system. With the above structure, the background management system can control the self-powered slider 14 to move up and down according to the distance L measured by the distance meter 11 located in the middle, so that the included angles α 1 and α 2 between the axis of the distance meter 11 located on the outer side and the axis of the distance meter 11 located in the middle can be changed along with the change of the distance L measured by the distance meter 11 located in the middle, and α 1= arctan (D/L) and α 2= arctan (D/L) are satisfied.
Preferably, in the safety information control method for high altitude operation, the slider is a self-powered slider, and the self-powered slider is in communication connection with a background management system, or the slider 14 is driven by a driving motor, and the driving motor is in communication connection with the background management system.
Preferably, in the safety information management and control method for high-altitude operation, between the step 3 and the step 4, the background management system judges whether the constructor attaches the hook to the fixing member through the safety belt hook monitoring system, and when the safety belt hook monitoring system judges that the constructor does not attach the hook 2 to the fixing member, the constructor is in an unsafe state, and the step 4 is performed; and when the safety belt hook monitoring system judges that the constructor hangs the hook 2 on the fixing piece, the constructor is in a safe construction state, and the step 6 is carried out.
Preferably, in the safety information management and control method for high altitude construction, the safety belt hook monitoring system 4 includes an infrared monitoring device, a hook power supply 43 and a hook signal transmitting device 44, the infrared monitoring device includes an infrared transmitting device 41 and an infrared receiving device 42, the hook 2 has a space for accommodating the fixing member, the infrared transmitting device 41 and the infrared receiving device 42 are disposed on the hook 2 and located at two sides of the space, the hook power supply 43 respectively supplies power to the infrared transmitting device 41, the infrared receiving device 42 and the hook signal transmitting device 44, and the infrared transmitting device 41 and the infrared receiving device 42 are respectively in communication connection with the background management system through the hook signal transmitting device 44. In the safety belt hook monitoring system 4 adopting the structure, the infrared emitting device 41 emits infrared rays, the infrared receiving device 42 sends information whether the infrared rays are received to the background management system, and when the hook 2 is not hung on the fixing piece, the infrared receiving device 42 can receive the infrared rays emitted from the infrared emitting device 41; when the hook 2 is hung on the fixing member, the infrared receiving device 42 does not receive the infrared rays emitted from the infrared emitting device 41.
Preferably, in the method for controlling safety information of overhead working, the two sides of the middle part of the hook in the thickness direction are provided with the stoppers 27, and the infrared receiver 42 can be protected by the stoppers 27.
Preferably, in the aerial work safety information management and control method, the hook 2 includes a hook body 21 having an opening and a buckle 22 with a spring pin, one end of the buckle 22 with the spring pin is hinged to one end of the opening of the hook body 21 through a pin 23, the buckle 22 with the spring pin can rotate around the pin 23, the buckle 22 with the spring pin can close the opening under the action of a self spring without external force, the infrared receiver 42 is disposed on the hook body 21 and divides the hook body 21 into two spaces, the two spaces include a first space 25 through which the safety rope 5 passes and a second space 26 through which the fixing member passes, the opening is located on the hook body 21 corresponding to the second space 26, and the infrared emitter 41 is disposed on the inner wall of the end portion of the hook body 21 corresponding to the second space 26, which is far away from the infrared receiver 42.
Preferably, in the safety information management and control method for high-altitude operation, between the step 3 and the step 4, before the background management system judges whether the constructor attaches the hook to the fixing member through the safety belt hook monitoring system, the opening and closing recognition device judges whether the latch with spring of the hook is attached through the opening and closing motion, the opening and closing recognition device is arranged at the other end of the latch with spring 22, the opening and closing recognition device is in communication connection with the background management system, if the latch with spring 22 of the hook 2 is attached through the opening and closing motion, the background management system judges whether the constructor attaches the hook 2 to the fixing member through the safety belt hook monitoring system, and if the latch with spring 22 of the hook 2 is not attached through the opening and closing motion, the step 4 is performed.
Preferably, in the aerial work safety information management and control method, the opening and closing recognition device includes a fixed contact 241, a movable contact 242, a power-off counter and a battery, the power-off counter and the battery are respectively disposed on a conducting wire connecting the fixed contact 241 and the movable contact 242, the fixed contact 241 is disposed on the hook body 21, the movable contact 242 is disposed on the latch buckle 22, when the latch buckle 22 closes the opening, the movable contact 242 is in contact with the fixed contact 241, when the latch buckle 22 opens the opening, the movable contact 242 is separated from the fixed contact 241, the power-off counter can recognize whether the circuit is powered off or not and the number of times of power-off, and the power-off counter is in communication connection with the background management system through the hook signal emission device 44. By adopting the opening and closing recognition device with the structure, whether the latch 22 with the spring of the hook 2 is opened or closed can be recognized, so that the reliability of the hanging of the safety belt 3 can be improved.
Preferably, in the above safety information management and control method for aerial work, the aerial work monitoring system 1 further includes a protection frame 18, and the mounting plate 12, the guide rod 13, the sliding block 14, the stay bar 15 and the three distance measuring devices are all disposed in the protection frame 18, so as to protect the guide rod 13, the sliding block 14 and the distance measuring devices 11 from being damaged due to external force.
Preferably, in the aerial work safety information management and control method, the aerial work monitoring system 1 further includes an aerial signal transmitting module 16 and an aerial power supply 17, the aerial power supply 17 can supply power to the three distance meters 11 and the aerial signal transmitting module 16, and the three distance meters 11 are in communication connection with the background management system through the aerial signal transmitting module 16.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (7)
1. A safety information control method for high-altitude operation is characterized by comprising the following steps:
step 1, judging whether the height of a platform where a constructor wearing a safety belt is located is higher than a set safety height or not by a background management system through an aerial work monitoring system, if so, indicating that the constructor is in an aerial work state, and performing step 2; if the height of the platform where the constructor wearing the safety belt is located is lower than the set safety height, the constructor is in a safe construction state, and the step 6 is carried out;
step 2, the background management system judges whether the safety distance between a constructor wearing the safety belt and the edge of the platform is larger than a set safety width through the aerial work monitoring system; if the distance between the constructor wearing the safety belt and the edge of the platform is smaller than the set safety distance between the constructor and the edge of the platform, the constructor is in a non-safety construction state, and the step 3 is carried out; if the safety distance between the constructor wearing the safety belt and the edge of the platform is larger than or equal to the set safety width, the constructor is in a safe construction state, and the step 6 is carried out;
step 3, the background management system displays that the constructors are in an unsafe construction state;
step 4, reminding constructors of using safety belts;
step 5, returning to the step 1 until the background management system closes the aerial work monitoring system;
step 6, the background management system displays that the constructors are in a safe construction state, and returns to the step 1 until the background management system closes the aerial work monitoring system;
the high-altitude operation monitoring system comprises three range finders, wherein each range finder comprises a range finder in the middle and two range finders outside the two range finders, the two range finders outside the two range finders are symmetrically arranged on two sides of the range finder in the middle, the three range finders are located in the same vertical plane, the three range finders are respectively in communication connection with the background management system, and the angles of the range finders outside the three range finders can rotate; the aerial work monitoring system further comprises a mounting plate, a guide rod, a sliding block and two supporting rods, wherein the mounting plate is fixed with a safety belt, the guide rod is mounted on the mounting plate and vertically arranged, the distance measuring instrument located in the middle is mounted at the lower end of the guide rod and vertically arranged, the sliding block is arranged on the guide rod and can move up and down along the guide rod, the two supporting rods are symmetrically arranged on two sides of the guide rod, one ends of the two supporting rods are respectively hinged with the sliding block, the other ends of the two supporting rods are respectively hinged with the upper portion of the distance measuring instrument located on the outer side, the lower portion of the distance measuring instrument located on the outer side is respectively hinged with the mounting plate, and the included angle between the axial lead of the distance measuring instrument located on the outer side and the axial lead of the distance measuring instrument located in the middle can be changed by the sliding block moving up and down;
the distance from a distance meter positioned in the middle to a platform is L, the distances from the distance meters positioned on the outer sides are X1 and X2 respectively, X1 and X2 are the distances from the distance meters positioned on the outer sides to the platform or the ground, the platform is higher than the ground, included angles between the axis line of the distance meter positioned on the outer sides and the axis line of the distance meter positioned in the middle are alpha 1 and alpha 2 respectively, the set safety height is H, the heights of platforms where constructors are located obtained by using different external distance meters are M1 and M2 respectively, wherein M1= X1 × cos alpha 1-L, M2= X2 × cos alpha 2-L, and when M1 is not less than H or M2 is not less than H, the constructors are in an aerial work state; when M1 is less than H and M2 is less than H, the constructor is in a non-overhead working state;
setting the safe distance of a constructor from the edge of the platform as D, wherein included angles alpha 1 and alpha 2 between the axis of a distance meter positioned on the outer side and the axis of a distance meter positioned in the middle can change along with the change of the distance L measured by the distance meter positioned in the middle, and the included angles alpha 1 and alpha 2 meet the condition that alpha 1= arctan (D/L) and alpha 2= arctan (D/L), when X1> L/COS alpha 1 or X2> L/COS alpha 2, the distance of the constructor from the edge of the platform is smaller than the set safe distance of the constructor from the edge of the platform, and the constructor is in a non-safe construction state and reminds the constructor to hang a hook on a fixed piece in time; when X1= L/COS alpha 1 and X2= L/COS alpha 2, the distance between the constructor and the platform edge is larger than or equal to the set safe distance between the constructor and the platform edge, and the constructor is in a safe construction state.
2. The safety information management and control method for high altitude operations as claimed in claim 1, wherein the slider is a self-powered slider which is in communication connection with a background management system, or the slider is driven by a driving motor which is in communication connection with the background management system.
3. The safety information management and control method for high altitude construction as claimed in claim 1, wherein between step 3 and step 4, the background management system determines whether the constructor is hanging the hook on the fixing member through the safety belt hook monitoring system, and when the safety belt hook monitoring system determines that the constructor is not hanging the hook on the fixing member, it indicates that the constructor is in an unsafe state, and step 4 is performed; and when the safety belt hook monitoring system judges that the constructor hangs the hook on the fixing piece, the constructor is in a safe construction state, and the step 6 is carried out.
4. The safety information management and control method for high altitude operation as claimed in claim 3, wherein the safety belt hook monitoring system comprises an infrared monitoring device, a hook power supply and a hook signal transmitting device, the infrared monitoring device comprises an infrared transmitting device and an infrared receiving device, the hook is provided with a space for accommodating the fixing member, the infrared transmitting device and the infrared receiving device are arranged on the hook and located on two sides of the space, the hook power supply respectively supplies power to the infrared transmitting device, the infrared receiving device and the hook signal transmitting device, and the infrared transmitting device and the infrared receiving device are respectively in communication connection with the background management system through the hook signal transmitting device.
5. The aerial work safety information management and control method according to claim 4, wherein the hook comprises a hook body with an opening and a buckle with a spring pin, one end of the buckle with the spring pin is hinged with one end of the opening of the hook body through a pin shaft, the buckle with the spring pin can rotate around the pin shaft, the buckle with the spring pin can close the opening under the action of a self spring without external force, the infrared receiving device is arranged on the hook body and divides the hook body into two spaces, the two spaces comprise a first space for a safety rope to pass through and a second space for a fixing piece to pass through, the opening is arranged on the hook body corresponding to the second space, and the infrared emitting device is arranged on the inner wall of the end part, far away from the infrared receiving device, of the hook body corresponding to the second space.
6. The safety information management and control method for high altitude construction as claimed in claim 5, wherein between step 3 and step 4, before the background management system determines whether the constructor attaches the hook to the fixing member through the safety belt hook monitoring system, the background management system determines whether the latch with the spring of the hook is attached through the opening and closing recognition device, the opening and closing recognition device is arranged at the other end of the latch with the spring, the opening and closing recognition device is connected with the background management system in communication, if the latch with the spring of the hook is attached through the opening and closing attaching action, the background management system determines whether the constructor attaches the hook to the fixing member through the safety belt hook monitoring system, and if the latch with the spring of the hook is not attached through the opening and closing attaching action, the step 4 is performed.
7. The safety information management and control method for high altitude operations as claimed in claim 6, wherein the switch recognition device comprises a fixed contact, a movable contact, a power-off counter and a battery, the power-off counter and the battery are respectively disposed on the wires connecting the fixed contact and the movable contact, the fixed contact is disposed on the hook body, the movable contact is disposed on the latch with spring, when the latch with spring closes the opening, the movable contact contacts the fixed contact, when the latch with spring opens the opening, the movable contact is separated from the fixed contact, the power-off counter can recognize whether the circuit is powered off and the number of times of power-off, and the power-off counter is in communication connection with the background management system through the hook signal transmission device.
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| GB0410957D0 (en) * | 2004-05-15 | 2004-06-16 | Renton Julian E | Personal height rescue apparatus |
| CN207804819U (en) * | 2017-12-21 | 2018-09-04 | 海南电网有限责任公司白沙供电局 | A kind of overhead safety belt device for electric pole working at height |
| CN108785903A (en) * | 2018-08-22 | 2018-11-13 | 国网安徽省电力有限公司阜阳供电公司 | A kind of safety hook |
| CN110090372A (en) * | 2019-04-25 | 2019-08-06 | 杨奎军 | A kind of online high altitude operation intelligent and safe band detection monitoring apparatus |
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