CN215101389U

CN215101389U - Elevator door anti-shearing accident protection device

Info

Publication number: CN215101389U
Application number: CN202121305940.3U
Authority: CN
Inventors: 李树禹
Original assignee: Shandong Aisen Elevator Co ltd
Current assignee: Shandong Aisen Elevator Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-10
Anticipated expiration: 2031-06-10

Abstract

The application provides lift-cabin door anti-shearing accident protection device includes: the base column and the pin column are respectively arranged on the two car doors and are opposite, one side of the base column, which is far away from the pin column, is provided with a connecting seat, two ends of the base column are transversely provided with ejector rods, the middle part of the base column is provided with a displacement rod, the ejector rods and the displacement rod penetrate through the base column in a sliding manner, one end of each ejector rod is movably connected with the pin column, and the other end of each ejector rod is fixedly connected with the connecting seat; the device comprises a base pillar, two ejector rods, a pin post, a displacement rod and a telescopic mechanism, wherein the two ejector rods are arranged on the base pillar, the side, opposite to the two ejector rods, of the infrared emitter and the infrared receiver are mutually matched, the telescopic mechanism is arranged on one side, away from the pin post, of the base pillar, the output portion of the telescopic mechanism is connected to a connecting seat, and the displacement rod is provided with a pressure-sensitive sensor. This application detects the shelter through ejector pin and displacement pole, has improved detectivity, prevents the emergence of shearing accident.

Description

Elevator door anti-shearing accident protection device

Technical Field

The application relates to the technical field of elevator control, in particular to a shear accident prevention protection device for an elevator door.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

Along with the development of science and technology, elevator control technique's continuous renewal, most producers change original door machine protection equipment into more sensitive and nimble light curtain equipment by the safety touch panel, nevertheless because of the contradiction between sensitivity and cost and the inherent defect of optical detection, the light curtain always has certain blind area, to comparatively long and thin target object like walk dog rope or comparatively frivolous transparent object, have the risk that can not discern, and in case discernment can not arrive, must lead to the fact the shearing injury to the target object, also can cause the harm to elevator self simultaneously.

Disclosure of Invention

This application provides lift-cabin door anti-shear accident protection device in order to solve above-mentioned problem.

The application provides lift-cabin door anti-shearing accident protection device includes: the base column and the pin column are respectively arranged on the two car doors and are opposite, one side of the base column, which is far away from the pin column, is provided with a connecting seat, two ends of the base column are transversely provided with ejector rods, the ejector rods penetrate through the base column in a sliding manner, one end of each ejector rod is movably connected with the pin column, and the other end of each ejector rod is fixedly connected with the connecting seat; 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 in pairs respectively, the connecting seat is axially provided with a limiting sliding groove, a base sliding block is arranged in the vibration through grooves in a sliding manner, a pin sliding block is arranged in the vibration pin grooves in a sliding manner, a displacement rod is arranged on the base sliding block in a sliding and penetrating manner, one end of the displacement rod is movably connected to the pin sliding block, and the other end of the displacement rod is embedded in the limiting sliding groove in a sliding manner; the device comprises a base pillar, two ejector rods, a pin post, a displacement rod and a telescopic mechanism, wherein the two ejector rods are arranged on the base pillar, the side, opposite to the two ejector rods, of the infrared emitter and the infrared receiver are mutually matched, the telescopic mechanism is arranged on one side, away from the pin post, of the base pillar, the output portion of the telescopic mechanism is connected to a connecting seat, and the displacement rod is provided with a pressure-sensitive sensor.

Preferably, the side wall of the base slide block is provided with a slide block through groove, one side of the pin slide block close to the base column is provided with a slide block pin groove, and the displacement rod is inserted in the slide block through groove in a sliding manner and movably inserted in the slide block pin groove.

Preferably, the upper and lower lateral walls 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 to the tail ends of the base guide grooves.

Preferably, the upper and lower side walls of the vibration pin groove are provided with pin position guide grooves, the top and the bottom of the pin position slider are provided with pin position guide posts, the pin position guide posts are slidably inserted into the pin position guide grooves, the tail ends of the pin position guide posts are provided with pin position springs, and the tail ends of the pin position springs are connected to the tail ends of the pin position guide grooves.

Preferably, the mounting groove has been seted up to two ejector pins one side relative, be equipped with the displacement guide rail in the mounting groove, infra-red transmitter and infrared receiver locate respectively on the displacement slider of two displacement guide rails.

Preferably, the two ends of the base pillar are respectively provided with a sliding through groove, one side of the two ends of the pin pillar, which is close to the base pillar, is respectively provided with a sliding pin groove, and the ejector rod is slidably inserted into the sliding through groove and movably inserted into the sliding pin groove.

Preferably, the lower lift pins are located below the car bottom, and the lowermost displacement rod is flush with the car bottom wall.

Preferably, the number of the telescopic mechanisms is two, and the telescopic mechanisms are symmetrically arranged on one side, away from the pin, of the base column.

Preferably, the top of one end of the displacement rod close to the pin is arc-shaped.

Preferably, the pressure-sensitive sensor comprises a microswitch arranged at the top of the displacement rod and a safety contact edge axially wrapped at the top and the bottom of the displacement rod.

Compared with the prior art, the beneficial effect of this application is:

this application is through locating the vertical detection shelter thing of infra-red transmitter and infrared receiver on the ejector pin, has improved a quick-witted protection device's detection intensity, and infra-red transmitter and infrared receiver set up synchronous motion on the displacement guide rail, are convenient for eliminate vertical detection blind area, further improve detectivity.

When the car door is closed, the displacement rod is movably inserted on the pin column, when an undetected shielding object is clamped by the hall door and the car door, the shielding object contacts the displacement rod due to the relative motion of the hall door and the car door, the pressure-sensitive sensor on the displacement rod transmits a braking signal to the elevator control system, and the elevator is emergently braked to prevent further injury.

After original light curtain and the infrared transmitter and the infrared receiver of this application detected the completion, sedan-chair door and room door were closed, and the displacement pole removed towards the round pin post, if the micro-gap switch at displacement pole top contacted the shelter from the thing, to elevator control system transmission brake signal, elevator emergency braking prevented earlier that the injury from taking place.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit 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, the round pin post, 3, the connecting seat, 4, the ejector pin, 5, the displacement pole, 6, the displacement guide rail, 7, the displacement slider, 8, infrared emitter, 9, telescopic machanism, 10, the base slider, 11, the base guide post, 12, the base spring, 13, the round pin position slider, 14, the round pin position guide post, 15, the round pin position spring, 51, displacement sensor, 101, the logical groove of sliding, 102, the vibration logical groove, 103, the base guide way, 111, the logical groove of slider, 131, the slider cotter way, 201, the slip cotter way, 202, the vibration cotter way, 203, the cotter guide way, 301, spacing spout, 401, the mounting groove.

The specific implementation mode is as follows:

the present application will be further described with reference to the following 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 example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts 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 door anti-shearing accident protection apparatus, including: locate two sedan-chair doors 100 respectively on and relative base pillar 1 and round pin post 2, one side that round pin post 2 was kept away from to base pillar 1 is equipped with connecting seat 3, 1 both ends of base pillar transversely are equipped with ejector pin 4, ejector pin 4 slides and runs through base pillar 1 and one end and round pin post 2 loose joint, and the other end rigid coupling is in connecting seat 3.

Two liang of relative vibration of a plurality of groups lead to groove 102 and vibration cotter way 202 have been seted up respectively to base column 1 and round pin post 2 axial, spacing spout 301 has been seted up to connecting seat 3 axial, the inslot that leads to of vibration groove 102 cunning is equipped with basic position slider 10, the inslot that vibrates cotter way 202 cunning is equipped with round pin position slider 13, it runs through and is equipped with displacement pole 5 to slide on the

basic position slider

10, 5 one end loose joints of displacement pole are in round pin position slider 13, and spacing spout 301 is located to other end slip inlays.

The two ejector rods 4 are arranged on the opposite sides of the two ejector rails, a displacement guide rail 6 is arranged on a displacement slide block 7 of the displacement guide rail 6, an infrared transmitter 8 and an infrared receiver 16 which are mutually matched are arranged on the displacement slide block 7 respectively, a telescopic mechanism 9 is arranged on one side, away from the pin column 2, of the base column 1, the output portion 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 original light curtain detection is finished, the car door 100 and the hall door are synchronously closed, the output shaft of the telescopic mechanism 9 moves to drive the connecting seat 3 to move towards the direction of the pin post 2, further drive the ejector rod 4 and the displacement rod 5 to move towards the pin post until the ejector rod 4 and the displacement rod 5 are connected with the pin post, the elevator control system controls the infrared transmitters 8 and the infrared receivers 16 on the two displacement guide rails 6 to synchronously move and carry out correlation detection, 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 hall door until the shielding object is removed; if the shielding object is not detected, the elevator control system controls the elevator car to move, if a tiny 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 motion of the hall door and the car door 100, the pressure-sensitive sensor on the displacement rod 5 transmits a braking signal to the elevator control system, the elevator performs emergency braking until the shielding object is removed, and the elevator returns to normal motion according to the original flow; if the pressure-sensitive sensor on the displacement rod 5 does not detect the blocking object, the 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 car door opening, and then the door opening process is controlled.

The side wall of the base slide block 10 is provided with a slide block through groove 111, one side of the pin position 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 position guide grooves 103, the top and the bottom of the base position sliding block 10 are provided with base position guide posts 11, the base position guide posts 11 are slidably inserted into the base position guide grooves 103, the tail ends of the base position guide posts 11 are provided with base position springs 12, and the tail ends of the base position springs 12 are connected to the inner walls of the base position guide grooves 103.

The upper side wall and the lower side wall 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 by the shielding object to move up and down, 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 limiting sliding groove 301, the displacement rod 5 integrally moves up and down to buffer the shearing pressure of 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 of 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 of the two ends of the pin column 2, which is close to the base column 1, is respectively provided with a sliding pin groove 201, and the ejector rod 4 is slidably inserted in the sliding through groove 101 and movably inserted in the sliding pin groove 201.

Mounting grooves 401 are formed in the opposite sides of the two ejector rods 4, and the displacement guide rails 6 are arranged in the mounting grooves 401. The tops of the infrared emitter 8 and the infrared receiver 16 are located in the top end face of the mounting groove 401, so that the push rod 4 is prevented from being interfered when moving along the sliding through groove 101.

Lower part ejector pin 4 is located car bottom below, and displacement pole 5 and the parallel and level of car diapire of below, tiny shelter from the thing most likely and be located the car diapire, and displacement pole 5 and the parallel and level of car diapire of below reduce as early as possible and shelter from the thing and trigger the time of displacement pole 5, and furthest alleviates the loss.

The quantity of telescopic machanism 9 is two and the symmetry is located base column 1 and is kept away from one side of round pin post 2 to it is more stable to be used for the motion of connecting seat 3.

The top of one end of the displacement rod 5, which is close to the pin 2, is arc-shaped, so that a soft shelter is prevented from being pressed into the pin 2, and the shelter cannot be detected by the displacement rod 5.

The pressure-sensitive sensor 51 comprises a microswitch arranged at the top of the displacement rod 5 and a safety contact edge axially wrapped at the top and the bottom of the displacement rod 5. The micro-gap switch is pressure sensitive micro-gap switch, detects the completion back at original light curtain and the infrared transmitter 8 and the infrared receiver 16 of this application, and sedan-chair door 100 and room door are closed, and displacement pole 5 removes towards round pin post 2, if the micro-gap switch at displacement pole 5 top contacts the shelter, to elevator control system transmission brake signal, elevator emergency braking, prevents earlier that the injury from taking place.

The safety contact edge is a rubber belt-shaped pressure-sensitive switch. The safety edge and the safety buffer are flexible and bendable strip-shaped objects which can be fixed on the edge of a moving part such as a machine tool workbench, an electric door and the like with extrusion and shearing dangers, and the sheltering object is prevented from being incapable of contacting the pressure-sensitive sensor 51 through the safety contact edge, so that the detection of the displacement rod 5 is more stable and sensitive.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Although the embodiments of the present application have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present application, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.

Claims

1. Elevator door anti-shear accident protection device, its characterized in that includes: the car door structure comprises base columns (1) and pin columns (2) which are arranged on two car doors (100) and are opposite to each other, wherein one sides, far away from the pin columns (2), of the base columns (1) are provided with connecting seats (3), ejector rods (4) are transversely arranged at two ends of the base columns (1), the ejector rods (4) penetrate through the base columns (1) in a sliding mode, one ends of the ejector rods are movably connected with the pin columns (2), and the other ends of the ejector rods are fixedly connected to the connecting seats (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 in pairs, the connecting seat (3) is axially provided with a limiting sliding groove (301), the vibration through grooves (102) are internally provided with base position sliding blocks (10) in a sliding manner, the vibration pin grooves (202) are internally provided with pin position sliding blocks (13) in a sliding manner, the base position sliding blocks (10) are provided with displacement rods (5) in a sliding and penetrating manner, one ends of the displacement rods (5) are movably connected to the pin position sliding blocks (13), and the other ends of the displacement rods are embedded in the limiting sliding grooves (301) in a sliding manner;

the center of one side that two ejector pins (4) are relative is equipped with infrared transmitter (8) and infrared receiver (16) of mutual adaptation respectively, one side that round pin post (2) were kept away from in foundation pillar (1) is equipped with telescopic machanism (9), the output portion of telescopic machanism (9) is connected in connecting seat (3), be equipped with pressure sensitive sensor (51) on displacement pole (5).

2. The elevator door shear accident prevention device of claim 1, wherein:

the side wall of the base position sliding block (10) is provided with a sliding block through groove (111), one side of the pin position sliding block (13) close to the base column (1) is provided with a sliding block pin groove (131), and the displacement rod (5) is slidably inserted into the sliding block through groove (111) and movably inserted into the sliding block pin groove (131).

3. The elevator door anti-shear accident protection device of claim 2, wherein:

the vibration guide device is characterized in that base guide grooves (103) are formed in the upper side wall and the lower side wall of the vibration through groove (102), base guide columns (11) are arranged at the top and the bottom of the base sliding block (10), the base guide columns (11) are slidably inserted into the base guide grooves (103), base springs (12) are arranged at the tail ends of the base guide columns (11), and the tail ends of the base springs (12) are connected to the tail ends of the base guide grooves (103).

4. The elevator door anti-shear accident protection device of claim 2, wherein:

the vibration pin slot device is characterized in that pin position guide slots (203) are formed in the upper side wall and the lower side wall of the vibration pin slot (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 slots (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 slots (203).

5. The elevator door shear accident prevention device of claim 1, wherein:

mounting groove (401) have been seted up to one side that two ejector pins (4) are relative, be equipped with displacement guide rail (6) in mounting groove (401), infrared emitter (8) and infrared receiver (16) are located respectively on displacement slider (7) of two displacement guide rails (6).

6. The elevator door shear accident prevention device of claim 1, wherein:

the two ends of the base column (1) are respectively provided with a sliding through groove (101), one side of the two ends of the pin column (2) close to the base column (1) 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).

7. The elevator door shear accident prevention device of claim 1, wherein:

the lower ejector rod (4) is positioned below the bottom of the car, and the displacement rod (5) at the lowest part is flush with the bottom wall of the car.

8. The elevator door shear accident prevention device of claim 1, wherein:

the number of the telescopic mechanisms (9) is two, and the telescopic mechanisms are symmetrically arranged on one side, away from the pin column (2), of the base column (1).

9. The elevator door shear accident prevention device of claim 1, wherein:

the top of one end of the displacement rod (5) close to the pin column (2) is arc-shaped.

10. The elevator door shear accident prevention device of claim 1, wherein:

the pressure-sensitive sensor (51) comprises a microswitch arranged at the top of the displacement rod (5) and a safety contact edge axially wrapped at the top and the bottom of the displacement rod (5).