CN114572798B - Longitudinal multi-redundancy anti-shearing protection method for elevator car door - Google Patents
Longitudinal multi-redundancy anti-shearing protection method for elevator car door Download PDFInfo
- Publication number
- CN114572798B CN114572798B CN202210215905.5A CN202210215905A CN114572798B CN 114572798 B CN114572798 B CN 114572798B CN 202210215905 A CN202210215905 A CN 202210215905A CN 114572798 B CN114572798 B CN 114572798B
- Authority
- CN
- China
- Prior art keywords
- pin
- displacement
- elevator
- base
- groove
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/06—Door or gate operation of sliding doors
- B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors
- B66B13/125—Arrangements for effecting simultaneous opening or closing of cage and landing doors electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
- B66B13/146—Control systems or devices electrical method or algorithm for controlling doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The application provides a longitudinal multi-redundancy anti-shearing protection method for an elevator car door, which comprises the following specific steps: s1: after the car door and the hoistway door are closed, the telescopic mechanism drives the connecting seat to move towards the pin column direction until the ejector rod and the displacement rod are connected to the pin column; s2: the infrared transmitters and the infrared receivers on the two displacement guide rails synchronously move and correlation detection is carried out to determine whether a shielding object exists; s3: the elevator control system controls the movement of the elevator car, and a pressure-sensitive sensor on the displacement rod detects whether a shielding object triggers the displacement rod in real time within a preset time or a preset elevator car travel; s4: the elevator returns to normal motion according to the original process, the elevator car moves to the target floor, the elevator control system firstly controls the output shaft of the telescopic mechanism to move to a preset position away from the pin so as not to influence the door opening of the elevator car, and then controls the door opening process. The application increases the longitudinal detection means in multiple directions, is convenient for eliminating the transverse detection blind area, and further improves the detection sensitivity.
Description
Technical Field
The application relates to the technical field of elevator safety protection, in particular to a longitudinal multi-redundancy anti-shearing protection method for an elevator car door.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the prior art, door machine protection devices of elevators are mostly light curtain devices transversely arranged on two sides of an elevator door, a longitudinal detection means is lacked, the omission rate of a longitudinal lighter and thinner object is higher, meanwhile, a certain blind area exists in the transverse light curtain due to contradiction between sensitivity and cost and inherent defects of optical detection, and risks of unrecognizable objects such as dog walking ropes or lighter and thinner transparent objects exist, and once the objects cannot be recognized, shearing damage is caused to the objects, and damage is caused to the elevator.
Disclosure of Invention
The application provides a longitudinal multi-redundancy anti-shearing protection method for an elevator car door in order to solve the problems.
The application provides a longitudinal multi-redundancy anti-shearing protection method for elevator doors, which is based on an anti-shearing protection device and comprises base columns and pin columns which are respectively arranged on two elevator doors and are opposite to each other, wherein one side of each base column, which is far away from each pin column, is provided with a connecting seat, two ends of each base column are transversely provided with ejector rods, the middle part of each base column is provided with a plurality of displacement rods, the ejector rods and the displacement rods penetrate through the base columns in a sliding manner, one end of each displacement rod is movably connected with each pin column, and the other end of each displacement rod is fixedly connected with the connecting seat; the two ejector rods are arranged on the opposite sides of the two ejector rods, a displacement guide rail is arranged on a displacement sliding block of the displacement guide rail, an infrared emitter and an infrared receiver which are mutually matched are respectively arranged on the displacement sliding block of the displacement guide rail, a telescopic mechanism is arranged on one side, far away from the pin, of the base column, an output part of the telescopic mechanism is connected with a connecting seat, and a pressure-sensitive sensor is arranged on the displacement rod;
the method comprises the following specific steps:
s1: after the car door and the hoistway door are closed, the telescopic mechanism drives the connecting seat to move towards the pin, and then drives the ejector rod and the displacement rod to move towards the pin until the ejector rod and the displacement rod are connected to the pin;
s2: the infrared transmitters and the infrared receivers on the two displacement guide rails synchronously move and correlation detection is carried out to determine whether a shielding object exists;
s201: if yes, the infrared receiver informs the elevator control system to stop the movement of the car and open the car door and the hall door;
s202: if not, jumping to the step S3;
s3: the elevator control system controls the movement of the elevator car, and a pressure-sensitive sensor on the displacement rod detects whether a shielding object triggers the displacement rod in real time within a preset time or a preset elevator car travel;
s301: if yes, the pressure-sensitive sensor transmits a braking signal to the elevator control system, and the elevator is braked urgently;
s302: if not, jumping to the step S4;
s4: the elevator returns to normal motion according to the original process, the elevator car moves to the target floor, the elevator control system firstly controls the output shaft of the telescopic mechanism to move to a preset position away from the pin so as not to influence the door opening of the elevator car, and then controls the door opening process.
Preferably, the base column and the pin column are axially provided with a plurality of groups of vibration through grooves and vibration pin grooves which are opposite to each other, the connecting seat is axially provided with a limiting sliding groove, the vibration through grooves are internally provided with base position sliding blocks, the vibration pin grooves are internally provided with pin position sliding blocks, the displacement rod penetrates through the base position sliding blocks in a sliding mode, one end of the displacement rod is movably connected with the pin position sliding blocks, and the other end of the displacement rod is slidably embedded in the limiting sliding grooves.
Preferably, the side wall of the base position sliding block is provided with a sliding block through groove, one side of the pin position sliding block close to the base column is provided with a sliding block pin groove, and the displacement rod is slidably inserted into the sliding block through groove and movably inserted into the sliding block pin groove.
Preferably, the upper side wall and the lower side wall of the vibration through groove are provided with base guide grooves, the top and the bottom of the base sliding block are provided with base guide posts, the base guide posts are slidably inserted into the base guide grooves, the tail ends of the base guide posts are provided with base springs, and the tail ends of the base springs are connected with the tail ends of the base guide grooves; the upper side wall and the lower side wall of the vibration pin groove are provided with pin position guide grooves, the top and the bottom of the pin position sliding block are provided with pin position guide columns, the pin position guide columns are slidably inserted into the pin position guide grooves, the tail ends of the pin position guide columns are provided with pin position springs, and the tail ends of the pin position springs are connected with the tail ends of the pin position guide grooves.
Preferably, the opposite sides of the two ejector rods are provided with mounting grooves, and the displacement guide rail is arranged in the mounting grooves.
Preferably, the two ends of the base column are respectively provided with a sliding through groove, one side of the two ends of the pin column, which is close to the base column, is respectively provided with a sliding pin groove, and the ejector rod is slidably inserted in the sliding Dong Tong groove and movably inserted in the sliding pin groove.
Preferably, the lower ejector rod is located below the bottom of the car, and the lowest displacement rod is flush with the bottom wall of the car.
Preferably, the number of the telescopic mechanisms is two, and the telescopic mechanisms are symmetrically arranged on one side, far away from the pin, of the base column.
Preferably, the top of one end of the displacement rod, which is close to the pin, is arc-shaped.
Preferably, the pressure-sensitive sensor comprises a micro switch arranged at the top of the displacement rod and safety contact edges axially wrapped at the top and the bottom of the displacement rod.
Compared with the prior art, the application has the beneficial effects that:
(1) The method disclosed by the application improves the detection intensity of the door machine protection device through two modes of physical contact and optical non-contact, increases the longitudinal detection means in multiple directions, is convenient for eliminating the transverse detection blind area, and further improves the detection sensitivity.
(2) After the detection of the original light curtain, the infrared transmitter and the infrared receiver is finished, the car door and the hall door are closed, the displacement rod moves towards the pin, if the micro switch at the top of the displacement rod contacts with a shielding object, a braking signal is transmitted to the elevator control system, the elevator is braked emergently, and injuries are prevented from happening earlier.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
Figure 1 is a left side view of one embodiment of the present application,
figure 2 is a right side view of one embodiment of the present application,
figure 3 is an enlarged view of a portion of one embodiment of the present application,
fig. 4 is a partial cross-sectional view of one embodiment of the present application.
In the figure:
1. base post, 2, pin post, 3, connecting seat, 4, ejector pin, 5, displacement rod, 6, displacement guide rail, 7, displacement slide block, 8, infrared emitter, 9, telescopic machanism, 10, base slide block, 11, base guide post, 12, base spring, 13, pin slide block, 14, pin guide post, 15, pin spring, 51, pressure sensor, 100, car door, 101, sliding through groove, 102, vibration through groove, 103, base guide groove, 111, slide through groove, 131, slide pin groove, 201, sliding pin groove, 202, vibration pin groove, 203, pin guide groove, 301, limit chute, 401 and mounting groove.
The specific embodiment is as follows:
the application will be further described with reference to the drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, are merely relational terms determined for convenience in describing structural relationships of the various components or elements of the present disclosure, and do not denote any one of the components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
As shown in fig. 1 to 4, the present application provides an elevator car door shearing prevention protection device, comprising: the two elevator car doors 100 are respectively provided with a base column 1 and a pin column 2 which are opposite to each other, one side, far away from the pin column 2, of the base column 1 is provided with a connecting seat 3, two ends of the base column 1 are transversely provided with ejector rods 4, the ejector rods 4 penetrate through the base column 1 in a sliding mode, one end of each ejector rod is movably connected with the pin column 2, and the other end of each ejector rod is fixedly connected with the connecting seat 3.
The base column 1 and the pin column 2 are axially provided with a plurality of groups of vibration through grooves 102 and vibration pin grooves 202 which are opposite to each other, the connecting seat 3 is axially provided with a limit sliding groove 301, the vibration through grooves 102 are internally provided with a base sliding block 10 in a sliding manner, the vibration pin grooves 202 are internally provided with a pin sliding block 13 in a sliding manner, the base sliding block 10 is internally provided with a displacement rod 5 in a sliding manner, one end of the displacement rod 5 is movably connected with the pin sliding block 13, and the other end of the displacement rod is slidably embedded in the limit sliding groove 301.
The two push rods 4 are arranged on opposite sides of the two push rods, a displacement guide rail 6 is arranged on the displacement sliding block 7 of the displacement guide rail 6, an infrared emitter 8 and an infrared receiver 16 which are mutually matched are respectively arranged on the displacement sliding block 7, a telescopic mechanism 9 is arranged on one side, far away from the pin 2, of the base column 1, an output part of the telescopic mechanism 9 is connected to the connecting seat 3, and a pressure-sensitive sensor 51 is arranged on the displacement rod 5. The displacement guide rail 6, the infrared emitter 8, the infrared receiver 16, the telescopic mechanism 9, the pressure-sensitive sensor 51 and the elevator control system are connected. Under the condition that no shielding object is found after the detection of the original light curtain is completed, the car door 100 and the hoistway door are synchronously closed, the output shaft of the telescopic mechanism 9 moves to drive the connecting seat 3 to move towards the pin 2, and then the ejector rod 4 and the displacement rod 5 are driven to move towards the pin until the ejector rod 4 and the displacement rod 5 are connected to the pin, the elevator control system controls the infrared emitters 8 and the infrared receivers 16 on the two displacement guide rails 6 to synchronously move and oppositely detect, and if the shielding object is detected to shield the infrared light, the infrared receivers 16 inform the elevator control system to open the car door 100 and the hoistway door until the shielding object is removed; if no shielding object is detected, the elevator control system controls the car to move, if the small or transparent shielding object is clamped by the hall door and the car door 100 at the moment, the shielding object contacts the displacement rod 5 due to the relative movement of the hall door and the car door 100, a pressure-sensitive sensor on the displacement rod 5 transmits a braking signal to the elevator control system, the elevator is braked urgently until the shielding object is removed, and the elevator returns to normal movement according to the original flow; if the pressure sensor on the displacement rod 5 does not detect the shielding object, the lift car moves to the target floor, the elevator control system firstly controls the output shaft of the telescopic mechanism 9 to move to a preset position away from the pin 2 so as not to influence the door opening of the lift car, and then controls the door opening process.
The side wall of the base slide block 10 is provided with a slide block through groove 111, one side of the pin slide block 13 close to the base column 1 is provided with a slide block pin groove 131, and the displacement rod 5 is slidably inserted into the slide block through groove 111 and movably inserted into the slide block pin groove 131.
The upper side wall and the lower side wall of the vibration through groove 102 are provided with base guide grooves 103, the top and the bottom of the base sliding block 10 are provided with base guide posts 11, the base guide posts 11 are slidably inserted into the base guide grooves 103, the tail ends of the base guide posts 11 are provided with base springs 12, and the tail ends of the base springs 12 are connected to the inner walls of the base guide grooves 103.
The upper and lower side walls of the vibration pin groove 202 are provided with pin position guide grooves 203, the top and the bottom of the pin position sliding block 13 are provided with pin position guide columns 14, the pin position guide columns 14 are slidably inserted into the pin position guide grooves 203, the tail ends of the pin position guide columns 14 are provided with pin position springs 15, and the tail ends of the pin position springs 15 are connected to the inner walls of the pin position guide grooves 203.
The displacement rod 5 is triggered to move up and down by a shielding object, the front part of the displacement rod 5 drives the pin position sliding block 13 to move up and down along the vibration pin groove 202, the middle part of the displacement rod 5 drives the base position sliding block 10 to move up and down along the vibration through groove 102, the rear part of the displacement rod 5 moves up and down along the limit chute 301, the whole displacement rod 5 moves up and down to buffer the shearing pressure suffered by the shielding object, and the pin position guide column 14, the pin position spring 15, the base position guide column 11 and the base position spring 12 are used for further buffering the shearing pressure suffered by the shielding object and the self-resetting of the displacement rod 5.
The two ends of the base column 1 are respectively provided with a sliding through groove 101, one side, close to the base column 1, of each pin column 2 is respectively provided with a sliding pin groove 201, and the ejector rod 4 is slidably inserted into the sliding through groove 101 and movably inserted into the sliding pin groove 201.
The opposite sides of the two ejector rods 4 are provided with mounting grooves 401, and the displacement guide rails 6 are arranged in the mounting grooves 401. The top parts of the infrared emitter 8 and the infrared receiver 16 are positioned in the top end surface of the mounting groove 401, so that interference is prevented when the ejector rod 4 moves along the sliding through groove 101.
The lower ejector rod 4 is located car bottom below, and the displacement pole 5 of lower extreme is parallel and level with the car diapire, and tiny shelter from the thing probability and be located the car diapire on, and the displacement pole 5 of lower extreme is parallel and level with the car diapire in order to reduce shelter from thing time of triggering displacement pole 5 as soon as possible, furthest alleviates the loss.
The number of the telescopic mechanisms 9 is two, and the telescopic mechanisms are symmetrically arranged on one side, far away from the pin 2, of the base column 1, so that the movement of the connecting seat 3 is more stable.
The top of the displacement rod 5, which is close to one end of the pin 2, is arc-shaped, so that the soft shielding object is prevented from being pressed into the pin 2, and the shielding object cannot be detected by the displacement rod 5.
The pressure-sensitive sensor 51 comprises a micro switch arranged at the top of the displacement rod 5 and safety contact edges axially wrapped at the top and bottom of the displacement rod 5. The micro switch is a pressure sensitive micro switch, after the detection of the original light curtain, the infrared emitter 8 and the infrared receiver 16 is finished, the car door 100 and the hall door are closed, the displacement rod 5 moves towards the pin 2, and if the micro switch at the top of the displacement rod 5 contacts a shielding object, a braking signal is transmitted to an elevator control system, and the elevator is braked emergently, so that injuries are prevented from happening earlier.
The safety touch edge is a rubber belt-shaped pressure-sensitive switch. The safety edge and the safety buffer are flexible and bendable strips, and can be fixed on edges of moving parts such as a machine tool workbench, an electric door and the like which have the risks of extrusion and shearing, and the shielding object is prevented from being incapable of contacting the pressure-sensitive sensor 51 through the safety touch edge, so that the detection of the displacement rod 5 is more stable and sensitive.
Based on the device structure, the application also provides a longitudinal multi-redundancy anti-shearing protection method for the elevator car door, which comprises the following specific steps:
s1: after the car door 100 and the hoistway door are closed, the telescopic mechanism 9 drives the connecting seat 3 to move towards the pin 2, and then drives the ejector rod 4 and the displacement rod 5 to move towards the pin 2 until the ejector rod 4 and the displacement rod 5 are connected with the pin 2;
s2: the infrared emitters 8 and the infrared receivers 16 on the two displacement guide rails 6 synchronously move and correlation detection is carried out to determine whether a shielding object exists;
s201: if so, the infrared receiver 16 notifies the elevator control system to stop car movement and open the car door 100 and hoistway doors;
s202: if not, jumping to the step S3;
s3: the elevator control system controls the movement of the elevator car, and the pressure-sensitive sensor 51 on the displacement rod 5 detects whether a shielding object triggers the displacement rod 5 in real time in preset time or in preset elevator car travel;
s301: if yes, the pressure-sensitive sensor 51 transmits a braking signal to the elevator control system, and the elevator is braked urgently;
s302: if not, jumping to the step S4;
s4: the elevator returns to normal motion according to the original process, the elevator car moves to the target floor, the elevator control system firstly controls the output shaft of the telescopic mechanism 9 to move to a preset position away from the pin 2 so as not to influence the door opening of the elevator car, and then controls the door opening process.
In the steps S201 and S301, the elevator control system notifies the passengers and the elevator operation and maintenance personnel through the original audio/video playing device and communication device, so as to remove the shielding object and restore the normal operation of the elevator.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations within the scope of the application as defined by the claims of the present application.
Claims (10)
1. A longitudinal multi-redundancy anti-shearing protection method for an elevator car door is characterized by comprising the following steps of: based on a shearing prevention protection device, it includes locates on two sedan-chair doors (100) and relative spliced pole (1) and round pin post (2) respectively, one side that spliced pole (2) was kept away from to spliced pole (1) is equipped with connecting seat (3), both ends of spliced pole (1) transversely are equipped with ejector pin (4), the middle part of spliced pole (1) is equipped with a plurality of displacement pole (5), ejector pin (4), displacement pole (5) slip run through spliced pole (1) and one end and round pin post (2) loose joint, the other end rigid coupling is in connecting seat (3), two opposite sides of ejector pin (4) are equipped with displacement guide rail (6), be equipped with infrared transmitter (8) and infrared receiver (16) of mutual adaptation on displacement slider (7) of displacement guide rail (6) respectively, one side that spliced pole (2) were kept away from to spliced pole (1) is equipped with telescopic machanism (9), the output of telescopic machanism (9) is connected in connecting seat (3), be equipped with pressure-sensitive sensor (51) on displacement pole (5);
the method comprises the following specific steps:
s1: after the car door (100) and the hoistway door are closed, the telescopic mechanism (9) drives the connecting seat (3) to move towards the pin (2), and then drives the ejector rod (4) and the displacement rod (5) to move towards the pin (2) until the ejector rod (4) and the displacement rod (5) are connected to the pin (2);
s2: an infrared emitter (8) and an infrared receiver (16) on the two displacement guide rails (6) synchronously move and are used for correlation detection of whether a shielding object exists;
s201: if yes, the infrared receiver (16) informs the elevator control system to stop the movement of the car and open the car door (100) and the hall door;
s202: if not, jumping to the step S3;
s3: the elevator control system controls the movement of the elevator car, and a pressure-sensitive sensor (51) on the displacement rod (5) detects whether a shielding object triggers the displacement rod (5) in real time in preset time or in preset elevator car travel;
s301: if yes, the pressure-sensitive sensor (51) transmits a braking signal to the elevator control system, and the elevator is braked urgently;
s302: if not, jumping to the step S4;
s4: the elevator returns to normal motion according to the original process, the elevator car moves to a target floor, the elevator control system firstly controls the output shaft of the telescopic mechanism (9) to move to a preset position away from the pin (2) so as not to influence the door opening of the elevator car, and then controls the door opening process.
2. The elevator door longitudinal multi-redundancy shearing prevention protection method as defined in claim 1, wherein:
the base column (1) and the pin column (2) are axially provided with a plurality of groups of vibration through grooves (102) and vibration pin grooves (202) which are opposite to each other in pairs respectively, the connecting seat (3) is axially provided with a limiting sliding groove (301), the base sliding block (10) is arranged in the vibration through grooves (102) in a sliding mode, the pin sliding block (13) is arranged in the vibration pin grooves (202) in a sliding mode, the displacement rod (5) penetrates through the base sliding block (10) in a sliding mode, one end of the displacement rod (5) is movably connected with the pin sliding block (13), and the other end of the displacement rod is slidably embedded in the limiting sliding groove (301).
3. The elevator door longitudinal multi-redundancy shearing prevention protection method as defined in claim 2, wherein:
the side wall of the base slide block (10) is provided with a slide block through groove (111), one side of the pin slide block (13) close to the base column (1) is provided with a slide block pin groove (131), and the displacement rod (5) is slidably inserted into the slide block through groove (111) and movably inserted into the slide block pin groove (131).
4. A method of longitudinal multi-redundancy anti-shear protection for an elevator door as defined in claim 3, wherein:
a base guide groove (103) is formed in the upper side wall and the lower side wall of the vibration through groove (102), base guide posts (11) are arranged at the top and the bottom of the base sliding block (10), the base guide posts (11) are slidably inserted into the base guide groove (103), base springs (12) are arranged at the tail ends of the base guide posts (11), and the tail ends of the base springs (12) are connected to the tail ends of the base guide groove (103);
pin position guide grooves (203) are formed in the upper side wall and the lower side wall of the vibration pin groove (202), pin position guide columns (14) are arranged at the top and the bottom of the pin position sliding block (13), the pin position guide columns (14) are slidably inserted into the pin position guide grooves (203), pin position springs (15) are arranged at the tail ends of the pin position guide columns (14), and the tail ends of the pin position springs (15) are connected to the tail ends of the pin position guide grooves (203).
5. The elevator door longitudinal multi-redundancy shearing prevention protection method as defined in claim 1, wherein:
and one side of the two ejector rods (4) opposite to each other is provided with a mounting groove (401), and the displacement guide rail (6) is arranged in the mounting groove (401).
6. The elevator door longitudinal multi-redundancy shearing prevention protection method as defined in claim 1, wherein:
the two ends of the base column (1) are respectively provided with a sliding through groove (101), one side, close to the base column (1), of each of the two ends of the pin column (2) is respectively provided with a sliding pin groove (201), and the ejector rod (4) is slidably inserted into the sliding through grooves (101) and movably inserted into the sliding pin grooves (201).
7. The elevator door longitudinal multi-redundancy shearing prevention protection method as defined in claim 1, wherein:
the lower ejector rod (4) is positioned below the bottom of the car, and the lowest displacement rod (5) is flush with the bottom wall of the car.
8. The elevator door longitudinal multi-redundancy shearing prevention protection method as defined in claim 1, wherein:
the number of the telescopic mechanisms (9) is two, and the telescopic mechanisms are symmetrically arranged on one side, far away from the pin column (2), of the base column (1).
9. The elevator door longitudinal multi-redundancy shearing prevention protection method as defined in claim 1, wherein:
the top of one end of the displacement rod (5) close to the pin (2) is arc-shaped.
10. The elevator door longitudinal multi-redundancy shearing prevention protection method as defined in claim 1, wherein:
the pressure-sensitive sensor (51) comprises a micro switch arranged at the top of the displacement rod (5) and a safety touch edge axially wrapped at the top and the bottom of the displacement rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210215905.5A CN114572798B (en) | 2021-06-10 | 2021-06-10 | Longitudinal multi-redundancy anti-shearing protection method for elevator car door |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648601.3A CN113213318B (en) | 2021-06-10 | 2021-06-10 | Anti-shearing protection device for longitudinal double-mode elevator door |
| CN202210215905.5A CN114572798B (en) | 2021-06-10 | 2021-06-10 | Longitudinal multi-redundancy anti-shearing protection method for elevator car door |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110648601.3A Division CN113213318B (en) | 2021-06-10 | 2021-06-10 | Anti-shearing protection device for longitudinal double-mode elevator door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114572798A CN114572798A (en) | 2022-06-03 |
| CN114572798B true CN114572798B (en) | 2023-10-13 |
Family
ID=77080202
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110648601.3A Active CN113213318B (en) | 2021-06-10 | 2021-06-10 | Anti-shearing protection device for longitudinal double-mode elevator door |
| CN202210215905.5A Active CN114572798B (en) | 2021-06-10 | 2021-06-10 | Longitudinal multi-redundancy anti-shearing protection method for elevator car door |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110648601.3A Active CN113213318B (en) | 2021-06-10 | 2021-06-10 | Anti-shearing protection device for longitudinal double-mode elevator door |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113213318B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106516950A (en) * | 2017-01-02 | 2017-03-22 | 上海孚翔机电有限公司 | Elevator door safety protection device |
| JP2017154862A (en) * | 2016-03-02 | 2017-09-07 | 三菱電機ビルテクノサービス株式会社 | Foreign matter detecting elevator, and method for operating elevator when foreign matter is detected |
| CN208716657U (en) * | 2018-08-22 | 2019-04-09 | 成都西子孚信科技有限公司 | A kind of elevator door anti-pinch device |
| CN210366482U (en) * | 2019-08-29 | 2020-04-21 | 山东埃森电梯有限公司 | Villa elevator safety tongs |
| CN111792499A (en) * | 2020-08-06 | 2020-10-20 | 南通鸿图橡塑有限公司 | Elevator door motor system based on safety loop detects |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613050A (en) * | 2008-06-27 | 2009-12-30 | 中山市奥美森工业有限公司 | A kind of elevator safety door |
| JP2010260668A (en) * | 2009-04-30 | 2010-11-18 | Hitachi Building Systems Co Ltd | Lead pinch detection device for elevator |
| CN103354028B (en) * | 2013-07-30 | 2016-06-08 | 济南大学 | Intelligent testing height device and method based on infrared light curtain |
| CN103601061B (en) * | 2013-10-29 | 2015-07-22 | 怡达快速电梯有限公司 | Anti-pinch safety method and system of elevator |
| JP2015151224A (en) * | 2014-02-13 | 2015-08-24 | 株式会社日立製作所 | Door device of elevator and elevator device |
| CN112888648B (en) * | 2018-10-23 | 2023-03-17 | 三菱电机株式会社 | Door clamping detection device and door device of elevator |
| CN211444663U (en) * | 2020-01-06 | 2020-09-08 | 重庆金科建筑设计研究院有限公司 | Hand clamping prevention system for elevator car |
| CN212292433U (en) * | 2020-04-04 | 2021-01-05 | 江河信 | Elevator car |
| CN112777463A (en) * | 2021-02-25 | 2021-05-11 | 南京理工大学 | Elevator door automatic detection device for thin and soft objects to be clamped |
-
2021
- 2021-06-10 CN CN202110648601.3A patent/CN113213318B/en active Active
- 2021-06-10 CN CN202210215905.5A patent/CN114572798B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017154862A (en) * | 2016-03-02 | 2017-09-07 | 三菱電機ビルテクノサービス株式会社 | Foreign matter detecting elevator, and method for operating elevator when foreign matter is detected |
| CN106516950A (en) * | 2017-01-02 | 2017-03-22 | 上海孚翔机电有限公司 | Elevator door safety protection device |
| CN208716657U (en) * | 2018-08-22 | 2019-04-09 | 成都西子孚信科技有限公司 | A kind of elevator door anti-pinch device |
| CN210366482U (en) * | 2019-08-29 | 2020-04-21 | 山东埃森电梯有限公司 | Villa elevator safety tongs |
| CN111792499A (en) * | 2020-08-06 | 2020-10-20 | 南通鸿图橡塑有限公司 | Elevator door motor system based on safety loop detects |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113213318B (en) | 2022-03-04 |
| CN113213318A (en) | 2021-08-06 |
| CN114572798A (en) | 2022-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4933237B2 (en) | Elevator door equipment | |
| US10246295B2 (en) | Protective device for speed sensing device | |
| CN101500922A (en) | Position detection device for elevator | |
| CN106185574B (en) | A kind of elevator safety shoe proof mechanism | |
| CN114572798B (en) | Longitudinal multi-redundancy anti-shearing protection method for elevator car door | |
| KR101761160B1 (en) | The blocking device for door of right and left opening and shutting type | |
| CN215101389U (en) | Elevator door anti-shearing accident protection device | |
| CN116161517B (en) | Household elevator door anti-pinch device | |
| CN101628682B (en) | Elevator door device | |
| JP3937115B2 (en) | Fire shutter safety device | |
| KR20180076151A (en) | Door Assembly | |
| JP2008207942A (en) | Elevator device and elevator system | |
| JP3267112B2 (en) | Shutter safety device | |
| CN102808387B (en) | Gate | |
| EP3549897A1 (en) | A handrail safety device for a moving walkway | |
| CN205873552U (en) | Hidden elevator fault location device | |
| CN114787069A (en) | Elevator and control method of elevator | |
| JP2016160076A (en) | Door device of elevator | |
| CN217051216U (en) | Hand-clamping-preventing braking elevator door | |
| CN220465793U (en) | Cabin door safety detection device | |
| CN220886640U (en) | Anti-pinch device for elevator door system for goods | |
| CN114955779B (en) | Elevator first aid communication device | |
| CN210260758U (en) | Double-connecting-rod integrated light curtain with recovery device | |
| CN214029191U (en) | Anti-clamping device for boarding bridge channel | |
| CN219506818U (en) | Safe edge touching mechanism for traveling direction of stacker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |