WO2020211663A1 - Système basé sur la sécurité d'une cabine - Google Patents

Système basé sur la sécurité d'une cabine Download PDF

Info

Publication number
WO2020211663A1
WO2020211663A1 PCT/CN2020/083162 CN2020083162W WO2020211663A1 WO 2020211663 A1 WO2020211663 A1 WO 2020211663A1 CN 2020083162 W CN2020083162 W CN 2020083162W WO 2020211663 A1 WO2020211663 A1 WO 2020211663A1
Authority
WO
WIPO (PCT)
Prior art keywords
car
elevator
safety
trigger
detector
Prior art date
Application number
PCT/CN2020/083162
Other languages
English (en)
Chinese (zh)
Inventor
邹家春
姚荣康
刘坤
马新锋
王伟
杨发明
Original Assignee
杭州沪宁电梯部件股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杭州沪宁电梯部件股份有限公司 filed Critical 杭州沪宁电梯部件股份有限公司
Publication of WO2020211663A1 publication Critical patent/WO2020211663A1/fr

Links

Images

Classifications

    • 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
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3415—Control system configuration and the data transmission or communication within the control system
    • B66B1/3446—Data transmission or communication within the control system
    • B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
    • 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
    • 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
    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/044—Mechanical overspeed governors
    • 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
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well

Definitions

  • the invention belongs to the technical field of elevator safety, and particularly relates to a system based on car safety.
  • the safe operation protection of the elevator system is mainly realized through the detection system, the control system, the driving system and the safety protection device to ensure the safe operation of the elevator.
  • the detection system monitors the elevator operation status, controls the elevator operation, detects the abnormal operation of the elevator, and Directly or indirectly, the elevator car is emergency braked and placed in a relatively safe state to prevent personnel injury and equipment damage. However, the current elevator system is indirectly protected.
  • the car is the object of detection control and safety protection.
  • a number of detection switches are installed on the car, and a magnetic barrier is installed on each floor or a detection wire rope and magnetic code are installed at the entire operating height.
  • each floor needs to install the corresponding detection board.
  • the car needs to be installed with position detection, leveling detection, over-travel detection switches, etc.; additional magnetic code, light, etc. are used because of interference due to the influence of the elevator shaft environment The problem of poor environmental applicability.
  • the current performance of the car is collected by installing sensors or indirect component measurement to collect signals to realize functions such as operation, vibration, video collection, and call, such as: through additional wire ropes, speed limit And tensioning device to measure car overspeed and falling.
  • the position and displacement of the car are detected by the door switch and the hoistway installation partition.
  • the IoT technologies used are all external sensors, not the IoT of the components themselves. External sensors cannot realize the mutual IoT of safety components, non-closed-loop safety control, and the problem is not solved on the basis that the elevator components are IoT.
  • the present invention provides a car safety-based system.
  • a system based on car safety including a detection trigger device installed in an elevator car, a car controller and an emergency protection device;
  • the detection trigger device is used to detect the operation information of the car through the contact of the roller with the elevator guide rail, and is also used to trigger the emergency protection device when the car is in abnormal operation;
  • the car controller is used to control the operation of the elevator; the car controller is communicatively connected with the detection trigger device, and is used to process the operation information of the car to realize diagnosis, information and Internet of things and maintenance;
  • the emergency protection device is used to stop the elevator car when the elevator runs abnormally, so that the elevator car is in a safe state.
  • the car controller is also used to collect the status of the door area door, the load, the position of the car, and the information of the people inside the car.
  • the car controller transmits the collected information to the cloud or stores it in the car controller through wireless communication technology; the car controller and/or the cloud constitute a black box for elevator operation.
  • the black box is also used for real-time monitoring and evaluating the safety status of the elevator, and transmitting the operation and maintenance data of the elevator for interactive management with the maintenance terminal, so as to realize the diagnostic preventive and precise maintenance.
  • the emergency protection device is also triggered for abnormal elevators to implement safety protection for the car and personnel.
  • the operation information of the car includes one or more of car position, speed, acceleration/deceleration, vibration, displacement, and stroke; the operation information of the car is determined by the relative position of the car and the elevator guide rail. Or relative motion is obtained; the control of the elevator operation includes traction machine control, brake control, door state control and car position control; the abnormal operation includes upward overspeed, downward overspeed, falling, upward accidental movement and downward accidental movement One or more of.
  • the detection trigger device includes a detector and a trigger mechanism, the detector is located on the roller; the detector is used to detect the operation information of the car through the roller contact with the elevator guide rail, and drive when the car is in abnormal operation Trigger mechanism; the trigger mechanism is used to trigger the emergency protection device.
  • the detector includes at least one of a mechanical detector and an electronic detector; the mechanical detector is used to collect the running speed and displacement of the car; the electronic detector is used to collect the car The operating speed, displacement, vibration, acceleration and deceleration, and stroke.
  • the system further includes a pulling device with pulling force, the trigger mechanism triggers the pulling device when the car is in abnormal operation, and friction is generated between the pulling device and the elevator guide rail to trigger the emergency protection device.
  • the lifting device has a reset function.
  • the emergency protection device includes a braking device that clamps the guide rail to generate a braking force.
  • the present invention has the following beneficial effects:
  • the present invention originates the detection, control, triggering and braking from the protected object car to ensure the safety of personnel and equipment, which is safer than the existing indirect or separate protection system of multiple protection methods.
  • the present invention integrates the protection of elevator up and down overspeed protection, accidental movement, falling or other abnormal operation of the up and down car, which is integrated in the elevator car, making installation, maintenance and inspection more convenient.
  • the present invention eliminates the need for the original detection device and the elevator use floor height steel wire rope or timing belt, etc. and tensioning device, which can greatly reduce direct and installation and maintenance costs.
  • the present invention integrates the controller into the car, saves a large amount of transmission cables, solves the stability of transmission, and makes the integrated transmission of information more convenient.
  • the present invention detects the position of the car through the movement of the elevator guide rail and the position of the car, eliminating the need for isolation magneto-optical panels, optical electromagnetic switches, etc. on each floor.
  • the present invention uses the traction and its brake as the driving and parking function, which greatly simplifies the monitoring and control of the traction machine and the brake by the control system, and greatly improves the service life and safety.
  • the present invention realizes preventive and precise positioning and maintenance of elevators through component IoT technology and cloud (or black box), which greatly provides efficient, economical, safe and reliable on-demand services for the subsequent market.
  • Figure 1 is a schematic structural diagram of a car safety-based system according to Embodiment 1 of the present invention.
  • Figure 2 is a partial structural diagram of a car safety-based system according to the first embodiment of the present invention.
  • Figure 3 is a schematic diagram of the other side of the car safety-based system according to the first embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a detection trigger device of a car safety-based system according to the first embodiment of the present invention
  • FIG. 5 is a schematic diagram of the other side of the detection trigger device of the car safety-based system in the first embodiment of the present invention.
  • FIG. 6 is a schematic diagram of the other side of the detection and trigger device of the car safety-based system according to the first embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of the other side of the detection trigger device of the car safety-based system in the first embodiment of the present invention.
  • Figure 8 is a cross-sectional view of part E-E in Figure 7;
  • FIG. 9 is a schematic diagram of the structure of the detection trigger device and the pulling device with pulling force of the car safety-based system according to the first embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of the pulling force mechanism of the pulling device with pulling force of the car safety-based system according to the first embodiment of the present invention
  • FIG. 11 is a schematic diagram of the other side of the pulling force mechanism of the pulling device with pulling force of the car safety-based system according to the first embodiment of the present invention
  • Figure 12 is a cross-sectional view of part F-F in Figure 11;
  • FIG. 13 is a schematic diagram of the structure of the linkage mechanism and the emergency protection device of the lifting device with lifting force of the car safety-based system according to the first embodiment of the present invention
  • FIG. 14 is a partial enlarged schematic view of the linkage mechanism and emergency protection device of the lifting device with lifting force of the car safety-based system according to the first embodiment of the present invention
  • 15 is a partial enlarged schematic view of the linkage mechanism of the lifting device with lifting force of the car safety-based system according to the first embodiment of the present invention
  • Fig. 16 is a schematic structural view of the other side of the linkage mechanism of the lifting device with lifting force and the emergency protection device of the system based on car safety in the first embodiment of the present invention.
  • Fig. 17 is a schematic diagram of the structure of the detection trigger device and the lifting device of the car safety-based system according to the third embodiment of the present invention.
  • FIG. 18 is a schematic diagram of the structure of the detection trigger device and the lifting device of the car safety-based system of the third embodiment of the present invention from another perspective.
  • the car safety-based system of the embodiment of the present invention includes a detection trigger device A installed on the elevator car 0, a car controller K, a pulling device B with a pulling force, and an emergency Protection device C; the elevator car 0 is connected to the traction machine and the brake through the traction machine wire rope, and extends to be connected to the counterweight Z.
  • the lifting device B is triggered by detecting the trigger device A, and the lifting device B generates a pulling force by clamping the elevator guide rail to trigger the emergency protection device Braking is generated to realize emergency safety protection when the car is running abnormally.
  • the detection trigger device A is used to contact the elevator guide rail I through the roller, so that the detection trigger device A can accurately detect the operation information of the car.
  • the detection trigger device A is also used to trigger the belt pulling force when the elevator car is in abnormal operation. ⁇ lifting device B.
  • the detection trigger device A includes a detector 1 and a trigger mechanism 2.
  • the detector 1 is used to detect the operation information of the elevator car and drive the trigger mechanism 2 when the elevator car is in abnormal operation.
  • the detector 1 of this embodiment is a mechanical detector, that is, a mechanical speed limiter, so the running information of the elevator car detected by the detector of this embodiment is the running speed and displacement; and, the running information of the car passes through the car
  • the relative movement of the car and the elevator guide rail is obtained.
  • the position of the car is detected by moving the elevator guide rail and the position of the car, eliminating the need for isolation magneto-optical panels, optical electromagnetic switches, etc. on each floor.
  • the abnormal operation of the elevator car in this embodiment is an abnormal operation that can be fed through speed feedback, such as overspeed or falling or unexpected movement.
  • the abnormal operation of the overspeed is the operation speed of the elevator car exceeding 115% of the rated speed of the elevator, falling, accident
  • the abnormal movement of the movement can be fed back through abnormal operation speed and displacement.
  • the detector 1 is located on the roller 11, the roller 11 is used to contact the elevator guide rail I, that is, the roller is always in contact with the elevator guide rail, a certain pre-pressure does not leave the guide rail, so that the detector detects the elevator car
  • the state of the compartment is more accurate.
  • the car safety-based system of this embodiment transfers the car controller K from the elevator machine room to the car 0, eliminating the need for the original detection device and the elevator to use the floor height of the wire rope or timing belt, etc.
  • the tensioning device can greatly reduce the direct and installation and maintenance costs; only need to configure a accompanying cable for the car controller K (the accompanying cable above the car controller as shown in Figure 1), saving a lot of money Transmission cables make signal transmission more convenient.
  • the car controller K is used for elevator operation control, fault diagnosis, and emergency protection control.
  • the elevator operation control includes traction machine control, traction machine brake control, door state control, car position control, and Internet of Things Data collection and processing, etc., to ensure the safety of personnel in the gate area and during operation.
  • the car controller communicates with the detection trigger device A, and is used to receive the operation information and fault information of the car collected by the detection trigger device A; the car controller is also used to collect the state of the door area, the position of the car, and the car Internal personnel information, brake wear, number of actions and other elevator operation information; the information collected above is real-time information and recorded.
  • the car controller K can also analyze and process the received data, evaluate elevator safety risks, implement preventive maintenance, and record corresponding maintenance information. Among them, the information of the personnel inside the car can be obtained through the video monitoring in the car, that is, the video monitoring camera is in communication with the car controller.
  • the car controller uses wireless communication technology to transmit all the information it collects to the cloud or store it through the controller to realize the elevator operation black box.
  • the car controller and/or the cloud constitute the black box of the elevator operation.
  • the black box is also used to monitor and evaluate the safety status of the elevator in real time through algorithms, and transmit the operation and maintenance data of the elevator to the maintenance terminal for interactive management with the maintenance terminal for diagnosis Preventive maintenance.
  • Preventive maintenance At the same time, by monitoring abnormal faults, diagnosing the operation of elevators, and realizing precise positioning or pre-diagnosis of elevator faults through the Internet of Things, maintenance personnel can change from regular maintenance to diagnosis and preventive precision maintenance.
  • the car controller of this embodiment collects electronic and mechanical sensor information to detect car position control, door opening and closing control, drive system control and braking, emergency safety protection control, car carrying personnel weighing, and abnormalities
  • Emergency protection, failure analysis and other control centers which collect and record car-related information through guide rails and sensors, form the central part of data processing, storage and communication network connection, and become the elevator safe operation control center.
  • this embodiment uses the traction machine and its brake as a driving and parking function, which greatly simplifies the monitoring and control of the traction machine and the brake by the car controller, and improves safety.
  • the trigger mechanism 2 includes a driving member 21, a rotating shaft 22 and a linkage rod 23.
  • the driving member 21 is used to be triggered by the speed limiter to move; the cross section of the rotating shaft 22 is square, and accordingly, the drive The member 21 has a square hole that matches the cross-sectional structure of the rotating shaft 22.
  • the driving member 21 is installed on the rotating shaft 22, the rotating shaft 22 can be linked to the driving member 21; the linkage rod 23 has a cross-sectional structure matching the rotating shaft 22
  • the linkage rod 23 is installed on the rotation shaft 22, the linkage rod 23 can be linked to the rotation shaft 22.
  • the rotating surface of the driving member 21 rotating around the rotating shaft 22 and the rotating surface of the linkage lever 23 rotating around the rotating shaft 22 are parallel to each other; as shown in FIG. 7, the linkage lever 23 is a modular design, including a rod body 231, a sleeve 232 and The connecting rod 233 and the sleeve 232 are sleeved outside the rod body 231, and the two are matched by the compression spring 234.
  • the rod body 231 is installed on the rotating shaft 22 through the base, so that the rod body 231 is linked to the rotating shaft 22; the connecting rod 233 and the sleeve
  • the connecting structure between the cylinders 232 is a concave-convex fitting structure, and the connecting rod 233 abuts against the rod body 231, so that the connecting rod 233 can be linked to move when the rod body 231 moves.
  • the trigger mechanism of this embodiment further includes a reset component 24, which includes a second rotating disk 241, a second mounting plate 242, and a third movable plate 243 ,
  • the fourth movable plate 244, the second guide column 245 and the second reset elastic member 246, the second rotating disc 241 is linked to the rotating shaft 22, the second mounting plate 242 is fixed to the elevator car through the mounting frame a, and the second rotation
  • the disk 241 is rotatably fitted to the mounting frame a; specifically, a circular groove is provided on the outer wall of the second rotating disk 241, correspondingly, a circular hole is opened on the mounting frame a, and the circular hole of the mounting frame is assembled in the second rotating disk.
  • the second rotating disk can be rotatably fitted to the mounting frame.
  • the second mounting plate 242 is used to install the third movable plate 243 and the fourth mounting plate 244, and the installation method may be a tenon joint, so that the third movable plate 243 and the fourth mounting plate 244 are respectively located on the second rotating plate
  • the rotating surface of the second rotating disc 241 is provided with four reset bolts 2410, the four reset bolts 2410 are distributed in a square shape, and the third movable plate 243 and the fourth mounting plate 244 are distributed on four The two sides of the reset bolt 2410 are so that when the second rotating disk 241 rotates, the four reset bolts 2410 on it can link the third movable plate 243 and the fourth movable plate 244 to move.
  • the second guide post 245 is installed between the third movable plate 243 and the fourth movable plate 244 and extends beyond the fourth movable plate 244 to form a second extension section.
  • the second reset elastic member 246 is sleeved on the second guide post
  • the second extension section of 245 is restricted by a nut; when the second rotating disk 241 rotates, the four reset bolts on the second rotating disk 241 can link the third movable plate 243 and the fourth movable plate 244 to move, thereby making the The four movable plates 244 compress the second reset elastic member 246 so that the second reset elastic member 246 is in a compressed state, which facilitates the resetting of the trigger mechanism.
  • the second guide post 245 is a long bolt that penetrates the third movable plate 243 and the fourth movable plate 244; the second return elastic member 246 is a return spring or other elastic components.
  • the lifting device B with lifting force is used to contact and friction with the elevator guide rail when triggered to generate the lifting force and trigger the braking device C; specifically, as shown in Figure 9, the lifting device with lifting force B includes a pulling force mechanism 3 and a linkage mechanism 4.
  • the pulling force mechanism 3 is connected to the linkage mechanism 4. When the pulling force mechanism 3 is triggered, it contacts and rubs with the elevator guide rail to generate a pulling force, thereby linking the linkage mechanism to trigger the emergency protection device .
  • the structure of the pulling force mechanism 3 is the same as that of the safety gear, including a seat body 31 with a longitudinally arranged guide rail groove 310.
  • the elevator guide rail I penetrates the guide rail groove 310, and one side of the guide rail groove is arranged with
  • the wedge block 32 connected to the seat body 31 is provided with a friction plate on the surface of the wedge block 32; the other side of the guide rail groove is provided with an abutting member 33 movably connected to the seat body 31.
  • the seat body 31 has a slideway that is adapted to the abutment member 33, so that the abutment member 33 can be movably fitted to the slideway.
  • the slideway includes a connected upper slideway 3110 and a lower slideway 3111, and the upper slideway 3110 and The lower slide 3111 starts from the connecting position of the two, and extends toward the direction of the guide groove and to both sides, so that the abutting member 33 can move along the upper slide 3110 or the lower slide 3111 to enable the abutting member 33 to move from The clearance fit with the elevator guide rail to the contact fit, so that the abutting member 33 contacts and rubs with the elevator guide rail I to generate a pulling force, and can also achieve bidirectional triggering.
  • the abutting member 33 and the connecting rod 233 of the linkage rod are connected by a stop pin 235, a washer 236 and a screw 237, so that the linkage rod 23 can link the abutting member 33 along the upper slide 3110 or 3111 glide slope activity.
  • the abutting member 33 in this embodiment is a roller.
  • the pulling force mechanism 3 of this embodiment also includes a limit component, as shown in Figures 10 and 11, the limit component includes a limit post 34, an upper sliding sleeve 35 sleeved outside the limit post 34, and a lower sleeve 36.
  • the upper limit elastic member 37 and the lower limit elastic member 38, the upper sliding sleeve 35 and the lower sliding sleeve 36 are distributed up and down and fixedly connected with the base 31 of the pulling force mechanism, and the limit post 34 penetrates the upper sliding sleeve 35 and the lower sleeve 36,
  • the upper end of the limit post 34 is sleeved with an upper limit elastic member 37 and is limited by a nut, so that the upper and lower ends of the upper limit elastic member 37 are distributed and limited between the upper sliding sleeve 35 and the upper nut; the lower end of the limit post 34 is sleeved
  • the lower limit elastic member 38 is restricted by the lower nut, so that the upper and lower ends of the lower limit elastic member 38 are distributed and limited between the sliding sleeve 36 and the lower nut.
  • the lower end of the limit post 34 is fixed on the elevator car through a fixing bracket.
  • the abutting member 33 of the pulling force mechanism contacts and rubs against the elevator guide rail, the movement of the seat body 31 of the pulling force mechanism is limited by the upper limit elastic member 37 and the lower limit elastic member 38, which can also achieve a buffering effect.
  • the upper limit elastic member 37 and the lower limit elastic member 38 of this embodiment are both limit springs or other elastic components.
  • the linkage mechanism 4 of this embodiment includes a pull rod 41 and a linkage assembly 42.
  • the pull rod 41 is a right-angle structure formed by connecting several connecting rods in sequence to avoid the structure of the elevator car; the pull rod 41
  • the upper end of the pull rod 41 is connected with the seat body 31 of the pulling force mechanism to transmit the pulling force by linkage.
  • the lower end of the pull rod 41 is linked with the linkage assembly 42, and the linkage assembly 42 linkages the brake device C to trigger the brake device C.
  • the linkage assembly 42 includes a rotating shaft 421, a trigger plate 422, the rotating shaft 421 is a square tube structure, the rotating shaft 421 is connected to the lower end of the lifting rod 41 through the lifting plate 423, so that the rotating shaft 421 is linked to the lifting rod. 41.
  • the trigger plate 422 is linked to the rotating shaft 421, and the trigger plate 422 is linked to the brake device C to trigger the brake device C.
  • the linkage assembly 42 further includes a reset mechanism, and the reset mechanism is used to reset the shaft.
  • the reset mechanism includes a first rotating disk 424, a first mounting plate 425, a first movable plate 426, a second movable plate 427, a first guide post 428, and a first reset elastic member 429 ,
  • the first rotating disk 424 is linked to the rotating shaft 421, the first mounting plate 425 is fixed to the elevator car through the mounting bracket b, and the first rotating disk 424 is rotatably fitted to the mounting bracket b; specifically, on the outer wall of the first rotating disk 424 A circular groove is provided.
  • the mounting bracket b is provided with a circular hole, and the circular hole of the mounting bracket is assembled in the circular groove of the first rotating disk, so that the first rotating disk can be rotatably fitted to the mounting bracket.
  • the first mounting plate 425 is used to install the first movable plate 426 and the second mounting plate 427, and the installation method can be a tenon joint, so that the first movable plate and the second mounting plate are respectively located on two sides of the first rotating disk.
  • the rotating surface of the first rotating disc 424 is provided with four reset bolts 4240, the four reset bolts are distributed in a square shape, and the first movable plate and the second mounting plate are distributed on both sides of the four reset bolts 4240 , So that when the first rotating disk 424 rotates, the four reset bolts 4240 on it can link the first movable plate and the second movable plate to move.
  • the first guide post 428 is installed between the first movable plate and the second movable plate, and extends beyond the second movable plate to form a first extension.
  • the first reset elastic member 429 is sleeved on the first guide post 428 An extension section is limited by a nut; when the first rotating disc rotates, the four reset bolts on the first rotating disc can link the movement of the first movable plate and the second movable plate, so that the second movable plate compresses the first reset
  • the elastic member 429 makes the first reset elastic member 429 in a compressed state, facilitating the resetting of the linkage mechanism.
  • the first guide column is a long bolt that penetrates the first movable plate and the second movable plate; the first reset elastic member is a reset spring or other elastic parts.
  • each linkage assembly 42 in this embodiment there are two linkage assemblies 42 in this embodiment (the number is not limited to two, and depends on the number of manufactured devices), and each linkage assembly is linked with a braking device C, and two linkage assemblies
  • the rotating shafts of the components are connected to realize synchronous rotation, thereby realizing stable braking of the elevator car.
  • only the rotating shaft of one linkage component is connected with the lifting rod through the lifting plate, and the rotating shaft of the other linkage component is synchronously linked through the rotating shaft of the linkage component connected with the lifting rod.
  • the emergency protection device of this embodiment is used for emergency protection of the car when it is triggered, and includes a braking device that generates braking force by contacting (for example, clamping) the elevator guide rail, such as a one-way safety gear or a two-way safety gear. Other clamp rail braking devices or emergency protection devices other than those.
  • the specific structure of the emergency protection device of this embodiment is the same as the specific structure of the pulling force mechanism (not including the limit component), and will not be repeated here.
  • the emergency protection device can be reset by the reverse of the elevator car, so that the linkage lifting device is reset.
  • this embodiment integrates detection, control, braking, sensor collection, etc. in the car.
  • the elevator system essentially solves the problem of the occupants.
  • Security to achieve the security of the entire system from inspection, monitoring, and operation and maintenance, and reduce costs; the detection, triggering and braking are derived from the protected object car to ensure the safety of personnel and equipment, compared with the existing indirect or multiple protection methods
  • the system with separate protection is more secure; the protection for overspeeding, accidental movement, falling or other abnormal operation of the elevator is integrated into the car, which makes installation, maintenance, and inspection more convenient;
  • this embodiment is the detection control, Operation control and safety protection take the car safety as the core, the preventive precision maintenance service system based on the component Internet of Things, the operation and maintenance system with the elevator component safety as the core, and the monitoring and control of the car as the object
  • protection forms an elevator black box, a security system with components as the Internet of Things, that is, using elevator components as the detection
  • the structure of the lifting device is omitted, and the detection and trigger device directly triggers the emergency protection device when the elevator is in abnormal operation.
  • the structure of the entire system is simplified, the trigger force of the detection and trigger device is relatively high, which is suitable for special occasions to meet Different needs of users.
  • the detector of this embodiment includes a mechanical detector 100 and an electronic detector 200, namely a mechanical speed limiter and an electronic speed limiter.
  • the mechanical detector 100 and the electronic detector 200 are located in the elevator respectively. Both sides of the guide rail, and the rollers of the mechanical detector 100 and the electronic detector 200 have a certain pretension force to contact the elevator guide rail, and always clamp the elevator guide rail; therefore, the elevator car detected by the detector of this embodiment
  • the operating information includes one or more of operating position, speed, acceleration/deceleration, vibration, displacement, and stroke; moreover, the operating information of the car is obtained through the relative movement of the car and the elevator guide rail.
  • the position of the car is detected by moving the elevator guide rail and the position of the car, eliminating the need for isolation magneto-optical panels, optical electromagnetic switches, etc. on each floor.
  • the mechanical detector is used to collect the running speed and displacement of the car;
  • the electronic detector is used to collect the running speed, displacement, vibration, acceleration and deceleration and stroke of the car.
  • the driving part of the mechanical detector is linked with the driving part of the electronic detector, and the pulling force mechanism is linked by the same linkage rod.
  • the pulling force mechanism 300 of this embodiment is also improved. Of course, the pulling force mechanism of the first embodiment can also be used.
  • the pulling force mechanism 300 of this embodiment includes a seat body, a U-shaped leaf spring and two sets of limit components.
  • the seat body is located in the middle of the U-shaped leaf spring and is mounted on the U-shaped leaf spring through four guide posts on both sides of the seat body. Inside, the guide post is sheathed with a buffer spring 310 to limit and buffer the movement of the seat body. Two sets of limit components are respectively fixed on both sides of the U-shaped leaf spring.
  • the seat body has longitudinally arranged guide rail grooves, the elevator guide rail runs through the guide rail grooves, and one side of the guide rail groove is connected to the seat body
  • the other side of the guide rail groove is provided with an abutment member movably connected with the base; when the state of the elevator car is in a fault state, the linkage rod linkage abutment member moves to contact with the elevator guide rail.
  • the specific implementation of the electronic detector can be as follows: install an electromagnet on the roller, rotate the electromagnet through the rotation of the rotating wheel, realize the measurement of speed, displacement, acceleration and deceleration, stroke, etc. through the magnetic encoder, and perform the operation through the calibration switch Condition monitoring (inspection and emergency braking), record safety component action data through trigger status monitoring, record data through operating status monitoring, record data through wireless transmission, use maintenance and emergency handling linkage; also install vibration sensors on the rollers, use To detect the vibration of the car.
  • the mechanical and electrical dual redundant safety protections are mutually determined to achieve safer control; of course, other encoders (such as photoelectric encoders) can also implement the above functions.
  • This embodiment can realize that the position detection of the elevator car adopts the position switch detection method to control the position of the car door zone through the position measurement method, which simplifies the structure of the elevator adopting the position switch detection method.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

L'invention concerne un système basé sur la sécurité d'une cabine, comprenant un dispositif de déclenchement de détection (A), un dispositif de commande de cabine (K) et un dispositif de protection d'urgence (C) qui sont installés dans la cabine d'ascenseur ; le dispositif de déclenchement de détection (A) est utilisé pour être en contact avec un rail de guidage d'ascenseur par l'intermédiaire d'un rouleau (11) pour détecter des informations de fonctionnement de la cabine et est en outre utilisé pour déclencher le dispositif de protection d'urgence (C) lorsque la cabine fonctionne anormalement ; le dispositif de commande de cabine (K) est utilisé pour une commande de fonctionnement d'ascenseur et des informations sur l'Internet des objets ; le dispositif de commande de cabine (K) est en communication avec le dispositif de déclenchement de détection (A) et est utilisé pour traiter les informations de fonctionnement de la cabine pour réaliser un diagnostic, des informations sur l'Internet des objets et une maintenance ; le dispositif de protection d'urgence (C) est utilisé pour protéger en urgence la cabine lorsque la cabine est anormale ; dans le présent système, la détection, le diagnostic, l'Internet des objets, le déclenchement, le freinage et la commande sont dérivés d'une cabine objet protégée pour assurer la sécurité du personnel et de l'appareil, le système est plus sûr comparé au système en l'état de la technique, dans lequel des procédés de protection indirects ou multiples sont utilisés pour une protection séparée ; et le système est un système de service de maintenance de précision préventive basé sur l'Internet des objets de composants.
PCT/CN2020/083162 2019-04-15 2020-04-03 Système basé sur la sécurité d'une cabine WO2020211663A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910299704.6A CN111824882B (zh) 2019-04-15 2019-04-15 一种基于轿厢安全的***
CN201910299704.6 2019-04-15

Publications (1)

Publication Number Publication Date
WO2020211663A1 true WO2020211663A1 (fr) 2020-10-22

Family

ID=72837724

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/083162 WO2020211663A1 (fr) 2019-04-15 2020-04-03 Système basé sur la sécurité d'une cabine

Country Status (2)

Country Link
CN (1) CN111824882B (fr)
WO (1) WO2020211663A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114014121A (zh) * 2021-12-03 2022-02-08 未来物语(深圳)科技有限公司 电梯***及控制方法
CN114538231B (zh) * 2022-01-29 2024-06-18 吴哲 一种基于意外移动的电梯安全运行操作***
CN115346428A (zh) * 2022-04-22 2022-11-15 江苏省特种设备安全监督检验研究院 一种电梯轿厢的联动试验展示装置及其试验方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105384032A (zh) * 2015-12-24 2016-03-09 广州永日电梯有限公司 一种防止电梯轿厢意外移动的方法
CN206615885U (zh) * 2017-03-02 2017-11-07 杭州职业技术学院 一种防止轿厢意外移动保护***
US20180057310A1 (en) * 2016-08-24 2018-03-01 Otis Elevator Company Safety device, elevator system and control method for controlling the elevator system
CN207671486U (zh) * 2017-12-26 2018-07-31 杭州西奥电梯有限公司 一种电梯的防坠落***
EP3444214A1 (fr) * 2017-08-14 2019-02-20 Otis Elevator Company Systèmes de commande et de sécurité d'ascenseur
CN208700346U (zh) * 2018-07-24 2019-04-05 四川省特种设备检验研究院 一种新型电梯紧急制停保护***
CN209797191U (zh) * 2019-04-15 2019-12-17 杭州沪宁电梯部件股份有限公司 一种基于轿厢安全的***

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105384032A (zh) * 2015-12-24 2016-03-09 广州永日电梯有限公司 一种防止电梯轿厢意外移动的方法
US20180057310A1 (en) * 2016-08-24 2018-03-01 Otis Elevator Company Safety device, elevator system and control method for controlling the elevator system
CN206615885U (zh) * 2017-03-02 2017-11-07 杭州职业技术学院 一种防止轿厢意外移动保护***
EP3444214A1 (fr) * 2017-08-14 2019-02-20 Otis Elevator Company Systèmes de commande et de sécurité d'ascenseur
CN207671486U (zh) * 2017-12-26 2018-07-31 杭州西奥电梯有限公司 一种电梯的防坠落***
CN208700346U (zh) * 2018-07-24 2019-04-05 四川省特种设备检验研究院 一种新型电梯紧急制停保护***
CN209797191U (zh) * 2019-04-15 2019-12-17 杭州沪宁电梯部件股份有限公司 一种基于轿厢安全的***

Also Published As

Publication number Publication date
CN111824882B (zh) 2024-05-24
CN111824882A (zh) 2020-10-27

Similar Documents

Publication Publication Date Title
WO2020211663A1 (fr) Système basé sur la sécurité d'une cabine
US9027714B2 (en) Actuating and resetting a safety gear
RU2583829C2 (ru) Лифтовая установка, содержащая кабину и противовес
TWI710514B (zh) 自推進電梯和電梯制動系統
US11242220B2 (en) Safety braking systems for elevators
CN110817629B (zh) 一种电梯诊断***
CN209797191U (zh) 一种基于轿厢安全的***
CN101258088A (zh) 扩展井道备份的应用
CN103241611B (zh) 速度检测装置、具有该速度检测装置的电梯设备以及电梯设备的检查方法
CN105540378A (zh) 防止电梯轿厢意外移动的保护***
CN109823932B (zh) 主动安全电梯
CN112978533A (zh) 一种电梯困人故障自动救援***及其救援方法
CN211995617U (zh) 一种城市轨道车辆安全在线检测***
CN106429706B (zh) 防意外移动的电梯控制器及方法
WO2020211665A1 (fr) Système de diagnostic et de maintenance basé sur une cabine d'ascenseur
WO2020211664A1 (fr) Système de protection d'urgence pour la sécurité d'une cabine d'ascenseur
CN113213290B (zh) 使用声音和视频对电梯门性能进行测量和诊断
CN209797195U (zh) 一种电梯轿厢安全的紧急保护***
CN101107189A (zh) 电梯轿厢的紧急制动装置
CN115849129A (zh) 一种电梯鼓式制动器监测装置
CN110040600A (zh) 一种升降电梯手动紧急制动装置
CN205739870U (zh) 一种防止电梯轿厢意外移动的安全装置
CN213294328U (zh) 一种在线检测电梯轿厢上行安全钳功能的装置
CN209740441U (zh) 主动安全电梯
CN221100072U (zh) 曳引机制动器异物卡阻模拟装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20790614

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20790614

Country of ref document: EP

Kind code of ref document: A1