CN113371566A - Elevator trapping rescue method and rescue system with standardized program - Google Patents
Elevator trapping rescue method and rescue system with standardized program Download PDFInfo
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- CN113371566A CN113371566A CN202110653292.9A CN202110653292A CN113371566A CN 113371566 A CN113371566 A CN 113371566A CN 202110653292 A CN202110653292 A CN 202110653292A CN 113371566 A CN113371566 A CN 113371566A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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Abstract
The elevator trapping rescue system comprises a main body arranged in a wall body, an elevator shaft is arranged in the main body, a hanging system is arranged in the inner wall of the upper side of the elevator shaft, a car body is arranged in the elevator shaft in a sliding mode, a sliding guide assembly is arranged between the car body and the inner wall of the elevator shaft, a car is arranged in the car body, a car door is arranged in the inner wall of the left side of the car in a communicated mode, and an elevator outlet is correspondingly arranged in the inner wall of the left side of the elevator shaft.
Description
Technical Field
The invention relates to the technical field of elevator rescue, in particular to a standardized procedure elevator trapping rescue method and a standardized procedure elevator trapping rescue system.
Background
The elevator is electromechanical integration equipment, from market, office building, school, hospital to our daily house, the elevator is ubiquitous, becomes the essential carrier tool in our life. The manufacturing, installation, transformation and maintenance quality of the elevator are directly related to the safe operation of the elevator and the life safety and physical and psychological health of passengers. With the rapid promotion of urbanization construction in our district and the continuous improvement of the living standard of people, the number of elevators is rapidly increased, at present, the total number of elevators in the Uygur autonomous region in Xinjiang is about 7.3 thousands, and the elevators are rapidly increased at the speed of about 20% per year, the elevators become indispensable transportation tools for public life and work in society, and the elevator safety becomes a civil problem which is valued by the government, concerned by the masses and concerned by the society.
The running state of the elevator is directly related to the life and property safety of people and the stability of the society. In recent years, frequent elevator safety accidents cause extensive attention to elevator use safety problems, elevator shaft spraying type use, sharp increase of failure times, frequent occurrence of drowsiness and injuries of people and the like, so that the elevator brings convenience to people's lives and brings risks.
Elevator trapped rescue time generally refers to the sum of the time to arrive at the scene, the time to rescue the table passengers, and other times. The rescue time is shortened, the rescue efficiency is improved, and the loss caused by accidents can be reduced to the minimum. For passengers, the body injury can be reduced, and the elevator phobia and psychological shadow can be eliminated to the minimum extent; for the rescue workers, the elevator operation management and the service quality can be optimized, and the professional skills and the emergency rescue actual operation capability are improved; for the society, the method can avoid causing the panic of the masses and reduce the negative social influence.
Therefore, the present embodiment aims to design a method and a system for rescuing people trapped in an elevator, which can automatically adjust the position of the elevator and perform a standardized procedure for rescuing the trapped people when the elevator is trapped in the elevator.
Disclosure of Invention
In order to solve the above problems, this example designs a standardized procedure elevator people trapping rescue method and rescue system, where the elevator people trapping rescue system includes a main body 107 disposed in a wall 101, an elevator shaft 102 is disposed in the main body 107, a hanging system is disposed in an upper inner wall of the elevator shaft 102, a car 108 is slidably disposed in the elevator shaft 102, a sliding guide assembly is disposed between the car 108 and an inner wall of the elevator shaft 102, the sliding guide assembly and the hanging system are the same as a conventional elevator system and are not described in detail herein, a car 111 carrying people is disposed in the car 108, a car door 113 is disposed in a left inner wall of the car 111 in communication, and an elevator outlet 114 is correspondingly disposed in a left inner wall of the elevator shaft 102;
an upper base plate 106 is slidably arranged above the car body 108 and in the elevator shaft 102, a lifting base 105 is fixedly arranged on the upper end face of the upper base plate 106, a pulley 104 is rotatably arranged in the lifting base 105, a guide rope 103 is wound on the pulley 104, the upper base plate 106 is connected in series with the hanging system through the guide rope 103, and a positioning system for adjusting the position of the car body 108 to escape when people are trapped is arranged between the upper base plate 106 and the car body 108;
a pedal 112 is slidably arranged in the car 111, a spring 142 is fixedly connected between the lower end surface of the pedal 112 and the lower inner wall of the car 111, and a self-locking device for performing self-locking protection on the positioning system is arranged between the pedal 112 and the car body 108;
a movable positioner 115 is fixedly arranged on the left end face of the car body 108, a fixed anchor point 116 is fixedly arranged on the left inner wall of the elevator shaft 102, the relative positions of the car door 113 and the elevator exit 114 can be controlled through the movable positioner 115 and the fixed anchor point 116, and the position of the car body 108 is adjusted by feeding back the position adjusting system when people are trapped;
the elevator trapped person rescue system rescues trapped persons through the control of a standardized control program.
Preferably, the standardized control program comprises a dialogue system provided in the car 111, through which the trapped person can contact the rescue person;
a self-feedback system is arranged between the fixed anchor point 116 and the mobile locator 115, and when the car body 108 stops and the mobile locator 115 does not correspond to the fixed anchor point 116, the self-feedback system feeds back the stop information of the car body 108 to a PC (personal computer) end of rescue workers;
when the car body 108 is detected not to stop according to the normal position, the positioning system is started, the position of the car body 108 is adjusted, the mobile positioner 115 corresponds to the nearest fixed anchor point 116 located below the car body 108 in position, and the car door 113 corresponds to the elevator exit 114 on the lower layer so as to open the car door.
Preferably, the positioning system comprises a lifting threaded hole 121 which penetrates through the car body 108 from top to bottom and is arranged in the car body 108 in a front-to-back symmetrical manner, a lifting screw 145 is connected to the lifting threaded hole 121 in an internal thread manner, a square locking block 122 is fixedly arranged at the lower end of the lifting screw 145, and the self-locking device locks the positioning system by locking the locking block 122;
a first transmission cavity 153 is formed in the upper substrate 106 corresponding to the four sets of lifting screws 145, a first bevel gear 152 is rotatably arranged in the first transmission cavity 153, the upper end of each lifting screw 145 extends into the first transmission cavity 153 and is fixedly connected to the first bevel gear 152, and a second bevel gear 154 is engaged and connected to one side of the first bevel gear 152;
a second transmission cavity 157 is arranged between the first transmission cavities 153 on the left side and the right side, a transmission bevel gear 156 is rotatably arranged in the second transmission cavity 157, the transmission bevel gear 156 is coaxially connected with the second bevel gear 154 through a transmission shaft 155, a driving bevel gear 158 meshed with the transmission bevel gears 156 on the left side and the right side is rotatably arranged in the second transmission cavity 157, a driving shaft 159 is fixedly arranged on the driving bevel gear 158, the driving shaft 159 is in power connection with the driving motor 161, and the lifting screw 145 can be driven to rotate through the driving of the driving motor 161, so that the relative displacement between the car body 108 and the upper base plate 106 is driven.
Preferably, the self-locking device comprises a sliding groove 132 which is communicated with the inner wall of the lower side of the car 111 and is arranged in the inner wall of the lower side of the car 111, a sliding strip 126 is slidably arranged in the sliding groove 132, and a hinge rod 141 is rotatably connected between the upper end surface of the sliding strip 126 and the lower end surface of the pedal 112;
a locking sliding chute 125 is arranged in the inner wall of one side of the sliding chute 132 which is symmetrical in the front-back direction and is far away from the other side, the locking sliding chute 125 is communicated with the lifting threaded hole 121, a connecting sliding chute 124 is arranged between the sliding chute 132 and the locking sliding chute 125 in a communicated manner, a locking sliding block 123 is arranged in the locking sliding chute 125 in a sliding manner, and a connecting sliding block 131 which can slide in the connecting sliding chute 124 is fixedly connected between the locking sliding block 123 and the sliding strip 126;
a locking hole 128 which can be matched with the locking slider 123 is arranged in the locking block 122 in a left-right penetrating manner, and the locking slider 123 locks the locking block 122 when the right end of the locking slider 123 is inserted into the locking hole 128, namely the weight of a heavy object on the upper end surface of the pedal 112 is lower than the maximum bearing force of the spring 142.
Preferably, a left limit hole 144 with an outward opening is formed in the left end face of the car body 108, a left limit block 151 is slidably disposed in the left limit hole 144, a right limit hole 146 is outwardly formed in the right end face of the car body 108, a right limit block 171 is slidably disposed in the right limit hole 146, and the upper end of the right limit block 171 and the upper end of the right limit hole 146 are respectively fixed to two ends of the lower end face of the upper substrate 106, so as to limit the positions of the upper substrate 106 and the car body 108.
Preferably, four sets of the springs 142 are arranged between the lower end surface of the pedal 112 and the lower inner wall of the car 111, the sum of the total elastic force of the four sets of the springs 142 can bear the weight of twenty kilograms except the upper side of the pedal 112, and the pedal 112 compresses the springs 142 to the maximum when the weight on the upper end surface of the pedal 112 is more than or equal to twenty kilograms.
Has the advantages that: in the aspect of the device itself, this device borrows traditional elevator as the basis, control system such as positioning system and self-lock device has been pretended to have installed on the elevator, basic platform is extensive, when using, this device need not to wait for rescue personnel's on-the-spot rescue, only need long-range rescue task of realizing, shorten the rescue time greatly, through the self-feedback, this device can convey stranded people's information voluntarily, it is intelligent strong, and when the elevator breaks down when no stranded person, elevator automatic shutdown uses and waits for rescue personnel discharge fault and overhauls the rear and can use, reduce the phenomenon of damaging the mistake.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic diagram of the overall structure of an elevator trapping rescue method and a rescue system with standardized procedures;
FIG. 2 is a schematic view of the structure in the direction "A-A" in FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "D-D" in FIG. 2;
FIG. 4 is a schematic view of the structure in the direction "B-B" in FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "C-C" in FIG. 1;
FIG. 6 is a schematic structural diagram of a locking slider and a locking block.
Detailed Description
The invention will now be described in detail with reference to fig. 1 to 6, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an elevator trapping rescue method and a rescue system with standardized procedures, which are further explained by combining the attached drawings of the invention:
the elevator people trapping rescue method and the elevator rescue system with standardized procedures, as shown in fig. 1-6, comprise a main body 107 arranged in a wall 101, an elevator shaft 102 is arranged in the main body 107, a hanging system is arranged in the inner wall of the upper side of the elevator shaft 102, a car body 108 is slidably arranged in the elevator shaft 102, a sliding guide assembly is arranged between the car body 108 and the inner wall of the elevator shaft 102, the sliding guide assembly and the hanging system are the same as the conventional elevator system, and will not be described in detail herein, a manned car 111 is arranged in the car body 108, a car door 113 is arranged in the inner wall of the left side of the car 111 in a communicating manner, and an elevator outlet 114 is correspondingly arranged in the inner wall of the left side of the elevator shaft 102;
an upper base plate 106 is slidably arranged above the car body 108 and in the elevator shaft 102, a lifting base 105 is fixedly arranged on the upper end face of the upper base plate 106, a pulley 104 is rotatably arranged in the lifting base 105, a guide rope 103 is wound on the pulley 104, the upper base plate 106 is connected in series with the hanging system through the guide rope 103, and a positioning system for adjusting the position of the car body 108 to escape when people are trapped is arranged between the upper base plate 106 and the car body 108;
a pedal 112 is slidably arranged in the car 111, a spring 142 is fixedly connected between the lower end surface of the pedal 112 and the lower inner wall of the car 111, and a self-locking device for performing self-locking protection on the positioning system is arranged between the pedal 112 and the car body 108;
a movable positioner 115 is fixedly arranged on the left end face of the car body 108, a fixed anchor point 116 is fixedly arranged on the left inner wall of the elevator shaft 102, the relative positions of the car door 113 and the elevator exit 114 can be controlled through the movable positioner 115 and the fixed anchor point 116, and the position of the car body 108 is adjusted by feeding back the position adjusting system when people are trapped;
the elevator trapped person rescue system rescues trapped persons through the control of a standardized control program.
Advantageously, the standardized control program comprises a dialog system arranged in the car 111, by means of which dialog system the trapped person can be contacted by the rescuer;
a self-feedback system is arranged between the fixed anchor point 116 and the mobile locator 115, and when the car body 108 stops and the mobile locator 115 does not correspond to the fixed anchor point 116, the self-feedback system feeds back the stop information of the car body 108 to a PC (personal computer) end of rescue workers;
when the car body 108 is detected not to stop according to the normal position, the positioning system is started, the position of the car body 108 is adjusted, the mobile positioner 115 corresponds to the nearest fixed anchor point 116 located below the car body 108 in position, and the car door 113 corresponds to the elevator exit 114 on the lower layer so as to open the car door.
Advantageously, as shown in fig. 1 to 6, the positioning system includes a lifting threaded hole 121 penetrating vertically and symmetrically arranged in the car body 108 in a front-to-back manner, a lifting screw 145 is connected to the lifting threaded hole 121 through an internal thread, a square locking block 122 is fixedly arranged at the lower end of the lifting screw 145, and the self-locking device locks the positioning system by locking the locking block 122;
a first transmission cavity 153 is formed in the upper substrate 106 corresponding to the four sets of lifting screws 145, a first bevel gear 152 is rotatably arranged in the first transmission cavity 153, the upper end of each lifting screw 145 extends into the first transmission cavity 153 and is fixedly connected to the first bevel gear 152, and a second bevel gear 154 is engaged and connected to one side of the first bevel gear 152;
a second transmission cavity 157 is arranged between the first transmission cavities 153 on the left side and the right side, a transmission bevel gear 156 is rotatably arranged in the second transmission cavity 157, the transmission bevel gear 156 is coaxially connected with the second bevel gear 154 through a transmission shaft 155, a driving bevel gear 158 meshed with the transmission bevel gears 156 on the left side and the right side is rotatably arranged in the second transmission cavity 157, a driving shaft 159 is fixedly arranged on the driving bevel gear 158, the driving shaft 159 is in power connection with the driving motor 161, and the lifting screw 145 can be driven to rotate through the driving of the driving motor 161, so that the relative displacement between the car body 108 and the upper base plate 106 is driven.
Advantageously, as shown in fig. 1, fig. 2 and fig. 3, the self-locking device includes a sliding groove 132 disposed in the inner wall of the lower side of the car 111, a sliding bar 126 is slidably disposed in the sliding groove 132, and a hinge rod 141 is rotatably connected between an upper end surface of the sliding bar 126 and a lower end surface of the pedal 112;
a locking sliding chute 125 is arranged in the inner wall of one side of the sliding chute 132 which is symmetrical in the front-back direction and is far away from the other side, the locking sliding chute 125 is communicated with the lifting threaded hole 121, a connecting sliding chute 124 is arranged between the sliding chute 132 and the locking sliding chute 125 in a communicated manner, a locking sliding block 123 is arranged in the locking sliding chute 125 in a sliding manner, and a connecting sliding block 131 which can slide in the connecting sliding chute 124 is fixedly connected between the locking sliding block 123 and the sliding strip 126;
a locking hole 128 which can be matched with the locking slider 123 is arranged in the locking block 122 in a left-right penetrating manner, and the locking slider 123 locks the locking block 122 when the right end of the locking slider 123 is inserted into the locking hole 128, namely the weight of a heavy object on the upper end surface of the pedal 112 is lower than the maximum bearing force of the spring 142.
Beneficially, a left limiting hole 144 with an outward opening is formed in the left end face of the car body 108, a left limiting block 151 is slidably disposed in the left limiting hole 144, a right limiting hole 146 is outwardly formed in the right end face of the car body 108, a right limiting block 171 is slidably disposed in the right limiting hole 146, and an upper end of the right limiting block 171 and an upper end of the right limiting hole 146 are respectively fixed to two ends of the lower end face of the upper substrate 106, so as to limit the positions of the upper substrate 106 and the car body 108.
Advantageously, four sets of the springs 142 are disposed between the lower end surface of the pedal 112 and the lower inner wall of the car 111, the sum of the total elastic forces of the four sets of the springs 142 can bear the weight of twenty kilograms on the upper side of the pedal 112, and the pedal 112 compresses the springs 142 to the maximum extent when the weight on the upper end surface of the pedal 112 is greater than or equal to twenty kilograms.
In an initial state, the lower end surface of the upper base plate 106 is in contact with the upper end surface of the car body 108, and at this time, the lifting screw 145 slides down in the lifting screw hole 121 to the maximum extent, and the pedal 112 moves up in the car 111 to the maximum extent, and at this time, the locking slider 123 moves right to the maximum extent in the locking chute 125, and the locking block 122 is inserted into the locking hole 128 and locks the lifting screw 145.
When the weight of the upper end surface of the pedal 112 is greater than twenty kilograms, the pedal 112 descends in the car 111 to the maximum extent under the pushing of the pressure of a heavy object, at this time, the pedal 112 pushes the slide bar 126 to move to the left to the maximum extent in the sliding groove 132 through the hinge rod 141, and further drives the locking slider 123 to move to the left through the connecting slider 131 and separate from the locking hole 128, so that the lifting screw 145 is unlocked, and whether a person stands on the pedal 112 can be detected;
when the car body 108 stops and the mobile locator 115 and the fixed anchor point 116 have a height difference, the conventional elevator cannot open the car door, so that the passenger is trapped in the car 111, at this time, the self-feedback system transmits trapping information to the rescue personnel so that the rescue personnel can open the rescue, and at the same time, when the rescue distance is long, the positioning system is started, at this time, the driving motor 161 is started, the driving bevel gear 158 is driven to rotate by the driving shaft 159, the transmission shaft 155 is driven to rotate by the transmission bevel gear 156, the first bevel gear 152 is driven to rotate by the second bevel gear 154, the lifting screw 145 is driven to rotate, at this time, the car body 108 descends relative to the upper base plate 106, and when the mobile locator 115 corresponds to the fixed anchor point 116 closest to the lower side, the car door can be opened to realize rescue;
if the car body 108 stops and a height difference exists between the positions of the mobile positioner 115 and the fixed anchor point 116, and the weight of the pedal 112 is less than twenty kilograms, the self-locking device cannot be started, and at this time, the positioning system is not started.
The invention has the beneficial effects that: in the aspect of the device itself, this device borrows traditional elevator as the basis, control system such as positioning system and self-lock device has been pretended to have installed on the elevator, basic platform is extensive, when using, this device need not to wait for rescue personnel's on-the-spot rescue, only need long-range rescue task of realizing, shorten the rescue time greatly, through the self-feedback, this device can convey stranded people's information voluntarily, it is intelligent strong, and when the elevator breaks down when no stranded person, elevator automatic shutdown uses and waits for rescue personnel discharge fault and overhauls the rear and can use, reduce the phenomenon of damaging the mistake.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (6)
1. The elevator people trapping rescue system comprises a main body arranged in a wall body, an elevator shaft is arranged in the main body, a hanging system is arranged in the inner wall of the upper side of the elevator shaft, a car body is slidably arranged in the elevator shaft, a sliding guide assembly is arranged between the car body and the inner wall of the elevator shaft, a car is arranged in the car body, car doors are arranged in the inner wall of the left side of the car in a communicated mode, and an elevator outlet is correspondingly arranged in the inner wall of the left side of the elevator shaft, and the elevator people trapping rescue system is characterized in that:
an upper base plate is slidably arranged on the upper side of the car body and positioned in the elevator shaft, a lifting base is fixedly arranged on the upper side end face of the upper base plate, a pulley is rotatably arranged in the lifting base, a guide rope is wound on the pulley, the upper base plate is connected with the hanging system in series through the guide rope, and a positioning system for adjusting the position of the car body to facilitate escape when people get trapped is arranged between the upper base plate and the car body;
a pedal is slidably arranged in the car, a spring is fixedly connected between the lower side end surface of the pedal and the lower side inner wall of the car, and a self-locking device for performing self-locking protection on the positioning system is arranged between the pedal and the car body;
a movable positioner is fixedly arranged on the left end face of the car body, a fixed anchor point is fixedly arranged on the left inner wall of the elevator shaft, the relative positions of the car door and the elevator outlet can be controlled through the movable positioner and the fixed anchor point, and the position of the car body is adjusted by feeding back the position adjusting system when people are trapped;
the elevator trapped person rescue system rescues trapped persons through the control of a standardized control program.
2. The elevator trapping rescue method and system with standardized procedures as claimed in claim 1, characterized in that: the standardized control program comprises a dialogue system arranged in the car, and trapped people can contact with rescue workers through the dialogue system;
a self-feedback system is arranged between the fixed anchor point and the mobile locator, and when the car body stops and the mobile locator does not correspond to the fixed anchor point, the self-feedback system feeds back car body stop information to a PC (personal computer) end of the rescue worker;
when the car body is detected not to stop according to the normal position, the position adjusting system is started, the position of the car body is adjusted, the mobile positioner is enabled to correspond to the nearest fixed anchor point below the car body in position, and the car door is enabled to correspond to the elevator outlet of the lower layer so as to open the car door.
3. The elevator trapping rescue method and system with standardized procedures as claimed in claim 1, characterized in that: the positioning system comprises a lifting threaded hole which penetrates through the car body up and down and is arranged in the car body in a front-back symmetrical mode, a lifting screw rod is connected with the lifting threaded hole in an internal thread mode, a square locking square block is fixedly arranged at the lower end of the lifting screw rod, and the self-locking device locks the positioning system by locking the locking square block;
a first transmission cavity is formed in the upper substrate corresponding to the four groups of lifting screws, a first bevel gear is rotatably arranged in the first transmission cavity, the upper end of each lifting screw extends into the first transmission cavity and is fixedly connected to the first bevel gear, and a second bevel gear is meshed and connected to one side of the first bevel gear;
the left and right sides be provided with the second transmission chamber between the first transmission chamber, the rotatable transmission bevel gear that is provided with in the second transmission chamber, transmission bevel gear with through transmission shaft coaxial coupling between the second bevel gear, rotatable being provided with in the second transmission chamber with the left and right sides the drive bevel gear meshing connection, the last fixed drive shaft that is provided with of drive bevel gear, drive shaft power connect in driving motor, through driving motor's drive can drive the lifting screw rotates, with this drive the sedan-chair body with relative displacement between the upper substrate.
4. The elevator trapping rescue method and system with standardized procedures as claimed in claim 3, characterized in that: the self-locking device comprises a sliding chute communicated with the inner wall of the lower side of the car, a sliding strip is slidably arranged in the sliding chute, and a hinge rod is rotatably connected between the upper end surface of the sliding strip and the lower end surface of the pedal;
a locking sliding groove is arranged in the inner wall of one side, far away from each other, of the sliding groove which is symmetrical in the front and back direction, the locking sliding groove is communicated with the lifting threaded hole, a connecting sliding groove is arranged between the sliding groove and the locking sliding groove in a communicated manner, a locking sliding block is arranged in the locking sliding groove in a sliding manner, and a connecting sliding block capable of sliding in the connecting sliding groove is fixedly connected between the locking sliding block and the sliding strip;
and locking holes which can be matched with the locking sliding blocks are arranged in the locking square blocks in a left-right penetrating manner, and the right ends of the locking sliding blocks are inserted into the locking holes, namely the locking sliding blocks lock the locking square blocks when the weight of a heavy object on the upper end surface of the pedal is lower than the maximum bearing force of the spring.
5. The elevator trapping rescue method and system with standardized procedures as claimed in claim 1, characterized in that: the sedan-chair is characterized in that a left limiting hole with an outward opening is formed in the end face of the left side of the sedan-chair body, a left limiting block is slidably arranged in the left limiting hole, a right limiting hole with an outward opening is formed in the end face of the right side of the sedan-chair body, a right limiting block is slidably arranged in the right limiting hole, and the upper end of the right limiting block and the upper end of the right limiting hole are respectively fixed at two ends of the end face of the lower side of the upper base plate.
6. The elevator trapping rescue method and system with standardized procedures as claimed in claim 1, characterized in that: four groups of springs are arranged between the lower side end face of the pedal and the lower side inner wall of the car, the sum of total elastic force of the four groups of springs can bear the weight of twenty kilograms except the upper side of the pedal, and the pedal compresses the springs to the maximum when the weight on the upper side end face of the pedal is more than or equal to twenty kilograms.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275644A (en) * | 2021-12-17 | 2022-04-05 | 厦门市特种设备检验检测院 | Elevator anti-falling safety brake control device |
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