CN113321088B - Elevator door gap width detection device - Google Patents
Elevator door gap width detection device Download PDFInfo
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- CN113321088B CN113321088B CN202110619395.3A CN202110619395A CN113321088B CN 113321088 B CN113321088 B CN 113321088B CN 202110619395 A CN202110619395 A CN 202110619395A CN 113321088 B CN113321088 B CN 113321088B
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- component
- distance
- elevator door
- movably connected
- gap width
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- 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
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- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a device for detecting the gap width of an elevator door, which belongs to the technical field of elevator detection equipment, solves the problem of poor width detection of the gap of the existing elevator door, and has the technical key points that: the device comprises a device main body, a first detection mechanism and a second detection mechanism, wherein the device main body is movably arranged and is used for moving to the position of an elevator door to detect the width of a gap; and the second detection mechanism comprises a protection box body, a second adjusting component and a stirring component are arranged in the protection box body, the second adjusting component comprises an infrared distance meter and a moving module, and the detection effect is good.
Description
Technical Field
The invention relates to the technical field of elevator detection equipment, in particular to a device for detecting the gap width of an elevator door.
Background
Elevator doors are an important part of elevators, and have two doors, one fixed to each floor, visible from outside the elevator, called landing doors, and one fixed to the car, visible from inside, called car doors, which move with the car. The elevator door is opened or closed by the car door. Its stability, reasonableness and safety are key factors for determining the grade of the elevator.
The existing elevator is in the working process, the situation that the elevator door is not tightly closed and a gap is formed can occur, and the gap width detection device is required to actually measure the width of the gap at this time, so that the elevator is convenient to overhaul.
However, the existing elevator door gap width detection device has the problems that in the detection process, the detection of the same position cannot be retested, so that the data is single, the comparison cannot be formed, and the comprehensive result is obtained.
Disclosure of Invention
In view of the defects in the prior art, an embodiment of the present invention provides a device for detecting a gap width of an elevator door, so as to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an elevator door gap width detection device, includes the device main part, the device main part is used for detecting elevator door position detection gap width, still includes:
the first detection mechanism comprises a distance measurement component and a first adjusting component, the first adjusting component is arranged in the device main body and comprises a cam and a sliding component, the sliding component is arranged in the device main body and is movably connected with the cam through a pushing component, the cam is rotated and drives the pushing component, the pushing component is used for adjusting the height of the distance measurement component in a mode of driving the sliding component to move, the cam is movably connected with the inner wall of one side of the device main body and provides power through a rotating mode, one end of the first adjusting component is connected with the distance measurement component, the first adjusting component is used for adjusting the distance of the distance measurement component, and the distance measurement component is used for realizing one-time measurement of the gap width of the elevator door; and
the second detection mechanism comprises a distance meter and a protection box body, a second adjusting component and a stirring component are arranged in the protection box body, the second adjusting component comprises a moving module, the distance meter is arranged at one end of the moving module, the moving module is movably connected with the protection box body, the distance meter is used for assisting in matching with the distance meter component to measure the gap width of the elevator door, the distance meter is used for achieving secondary measurement of the gap width of the elevator door, the second adjusting component drives the distance meter on the moving module to stretch in the protection box body through the stirring component, and the first adjusting component drives the distance meter to adjust the height of the distance meter component while adjusting the height of the distance meter component, so that retesting of the same position is achieved.
As a further scheme of the invention, one side of the device main body is provided with a moving piece, and the moving piece is used for driving the device main body to move.
As a further aspect of the present invention, a power supply is provided in the device main body, the power supply circuit is connected to an operation panel, the operation panel circuit is connected to the first detection mechanism and the second detection mechanism, and the operation panel is configured to control the first detection mechanism and the second detection mechanism.
As a further aspect of the present invention, the sliding assembly includes:
the sliding chute is fixedly connected with the device main body; and
the bracing piece, spout inner wall swing joint bracing piece, the one end of bracing piece is run through the device main part, one side that the device main part was kept away from to the bracing piece is provided with the range finding subassembly, the bracing piece is used for supporting the range finding subassembly.
As a further aspect of the present invention, the pushing assembly includes:
one end of the push rod is movably connected with one end of the cam, and the push rod is driven by the cam to rotate; and
the meshing tooth is arranged on one side of the supporting rod, and the other end of the push rod is movably connected with the meshing tooth and used for pushing the supporting rod provided with the meshing tooth to move up and down through the push rod so as to adjust the height of the distance measuring assembly.
As a further aspect of the present invention, the ranging module includes:
the electric telescopic rod is connected with the operation panel through a circuit, the electric telescopic rod is arranged at one end of the supporting rod, the electric telescopic rods are symmetrically arranged around the supporting rod, and the electric telescopic rods are used for adjusting the distance between the distance measuring components; and
the distance detector is arranged at one end, far away from the supporting rod, of the electric telescopic rod, the distance detector is connected with the operating panel through a circuit, and the distance detector is used for detecting the gap width of the elevator door.
As a further aspect of the present invention, the second adjustment assembly further includes a power module, the power module including:
the disc is movably connected with the protection box body, a first deflector rod is arranged on the outer side of the disc, and the first deflector rod is used for deflecting the mobile module; and
the rotating shaft and the disc are arranged concentrically, and a second driving lever is arranged on the rotating shaft and used for shifting the shifting assembly and controlling the stretching of the moving module.
As a further aspect of the present invention, the moving module includes:
the movable plate is movably connected with the protective box body and used for driving the infrared distance meter to stretch and retract;
the second stop block is arranged on one side of the moving plate and is movably connected with the shifting assembly; and
and the third stop block is arranged on the other side of the moving plate and is movably connected with the first driving lever.
As a further aspect of the present invention, the toggle assembly comprises:
the first rotating rod is movably connected with the protection box body, and one end of the first rotating rod is movably connected with a second driving rod; and
the second dwang, second dwang swing joint first dwang, the one end swing joint second stopper of second dwang.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
the invention moves the device main body to the gap of the elevator door by moving the device main body, adjusts the height of the distance measuring component by the first adjusting component, so that the distance measuring component can move up and down at the gap of the elevator door to detect the width of the gap, the second detection mechanism is arranged in the protective box body, the extension and contraction of the movable module provided with the range finder can be adjusted through the second adjusting component and the poking component, the second adjusting component drives the infrared distance meter on the moving module to extend and retract in the protective box body through the poking component, when the moving module moves the infrared distance meter into the protection box body, the protection box body can protect the infrared distance meter, the distance measuring component realizes the primary detection of the gap width of the elevator door, the distance measuring component realizes the secondary detection of the gap width of the elevator door, through the comprehensive comparison of the two detections, the gap width of the elevator door closer to the real data can be effectively obtained.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the invention.
FIG. 2 is a schematic side view of the device body according to the embodiment of the present invention.
Fig. 3 is a schematic structural view of the meshing teeth in the embodiment of the invention.
Fig. 4 is a schematic structural diagram of a in the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a work in embodiment of the present invention.
Reference numerals are as follows: 1-a device main body, 2-a power supply, 3-an operation panel, 4-universal wheels, 5-a sliding chute, 6-a cam, 7-a rocker, 8-a supporting rod, 9-a meshing tooth, 10-a push rod, 11-an electric telescopic rod, 12-a distance detector, 13-a disc, 14-a rotating shaft, 15-a first driving lever, 16-a second driving lever, 17-a moving plate, 18-a groove, 19-a limiting plate, 20-an infrared distance meter, 21-a first stop block, 22-a stop column, 23-a second stop block, 24-a third stop block, 25-a first rotating rod, 26-a second rotating rod and 27-a protective box body.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
In one embodiment, an elevator door gap width detecting device, referring to fig. 1, includes a device main body for detecting an elevator door position detecting gap width, and is characterized by further including:
a first detection mechanism including a distance measurement component and a first adjustment component, the first adjustment component being disposed within the device body 1, the first adjusting component comprises a cam 6 and a sliding component, the cam 6 is movably connected with the inner wall of one side of the device main body 1, the cam 6 is powered by rotation, the sliding assembly is arranged inside the device body 1, the sliding component is movably connected with the cam 6 through a pushing component, the cam 6 is rotated, the cam 6 drives the pushing component, the pushing component realizes the adjustment of the height of the distance measuring component in a mode of driving the sliding component to move, one end of the first adjusting assembly is connected with the distance measuring assembly, the first adjusting assembly is used for adjusting the distance of the distance measuring assembly, and the distance measuring assembly is used for realizing one-time measurement of the gap width of the elevator door; and
the second detection mechanism comprises a distance meter and a protection box body 27, a second adjusting component and a stirring component are arranged in the protection box body 27, the second adjusting component moves a module, the distance meter is arranged at one end of the moving module, the moving module is movably connected with the protection box body 27, the distance meter is used for assisting the matching of the distance meter component for measuring the gap width of the elevator door, and the distance meter is used for realizing the secondary measurement of the gap width of the elevator door. The second adjusting part drives the distance measuring instrument on the movable module to stretch out and draw back in the protective box body 27 through stirring the component, and when the first adjusting part adjusts the height of the distance measuring component, the first adjusting part drives the distance measuring instrument to adjust the height, so that retesting of the same position is realized.
In this embodiment, the distance measuring device adopts the infrared distance measuring device 20, the device body 1 is moved to the gap of the elevator door, the height of the distance measuring component is adjusted through the first adjusting component, so that the distance measuring component can move up and down at the gap of the elevator door, the width of the gap is detected, the second detecting mechanism is arranged in the protective box body 27, the extension and retraction of the movable module provided with the infrared distance measuring device 20 can be adjusted through the second adjusting component and the toggle component, the second adjusting component drives the infrared distance measuring device 20 on the movable module to extend and retract in the protective box body 27 through the toggle component, when the movable module moves the infrared distance measuring device 20 into the protective box body 27, the protective box body 27 can protect the infrared distance measuring device 20, the distance measuring component realizes the primary detection of the gap width of the elevator door, the infrared distance measuring device 20 realizes the secondary detection of the gap width of the elevator door, through the comprehensive comparison of two times of detection, the gap width of the elevator door closer to the real data can be effectively obtained.
In a preferred embodiment, referring to fig. 1, a moving member is arranged on one side of the apparatus main body 1, the moving member is used for driving the apparatus main body 1 to move, the moving member is a universal wheel 4, and the apparatus main body 1 can better move through the universal wheel 4.
In another preferred embodiment, referring to fig. 1, the moving member may also be a slide rail to realize the movement of the apparatus body 1, a slide block is disposed at the bottom of the apparatus body 1, a slide rail is disposed on the ground, and the apparatus body 1 slides on the slide rail through the slide block to move the apparatus body 1 to the area to be examined.
In one embodiment, referring to fig. 1, a power source 2 is disposed in the device body 1, the power source 2 is electrically connected to an operation panel 3, the operation panel 3 is electrically connected to the first detection mechanism and the second detection mechanism, and the operation panel 3 is used for controlling the first detection mechanism and the second detection mechanism.
In this embodiment, the first detection mechanism and the second detection mechanism can be operated more intuitively through the operation panel 3, so as to detect the gap width of the elevator door.
In one embodiment, referring to fig. 1 and 3, the sliding assembly comprises:
the sliding chute 5 is fixedly connected with the device main body 1; and
the bracing piece 8, 5 inner wall swing joint bracing pieces 8 of spout, the one end of bracing piece 8 is run through device main part 1, one side that device main part 1 was kept away from to bracing piece 8 is provided with the range finding subassembly, bracing piece 8 is used for supporting the range finding subassembly.
Further, referring to fig. 1 to 3, the pushing assembly includes:
one end of the push rod 10 is movably connected with one end of the cam 6, and the push rod 10 is driven by the cam 6 to rotate; and
the distance measuring device comprises a support rod 8, a meshing tooth 9, the meshing tooth 9 is arranged on one side of the support rod 8, the other end of a push rod 10 is movably connected with the meshing tooth 9 and used for pushing the support rod 8 provided with the meshing tooth 9 to move up and down through the push rod 10 and adjusting the height of the distance measuring assembly.
Further, referring to fig. 1 to 2, the ranging assembly includes:
the electric telescopic rods 11 are electrically connected with the operation panel 3, the electric telescopic rods 11 are arranged at one end of the supporting rod 8, the electric telescopic rods 11 are symmetrically arranged relative to the supporting rod 8, and the electric telescopic rods 11 are used for adjusting the distance between the distance measuring components; and
the distance detector 12 is arranged at one end, far away from the supporting rod 8, of the electric telescopic rod 11, the distance detector 12 is connected with the operating panel 3 through a circuit, and the distance detector 12 is used for detecting the gap width of the elevator door.
In this embodiment, be provided with rocker 7 on cam 6, rocker 7 sets up the centre of a circle position at the cam 6 main aspects, through rocking rocker 7, make cam 6 rotate, can drive push rod 10 and rotate, pivoted push rod 10 need not rotate the round, rotate push rod 10 to next meshing tooth 9, promote meshing tooth 9 and reciprocate, it reciprocates to drive bracing piece 8, through manual rotation, can be more convenient highly adjust bracing piece 8, set up multiunit meshing tooth 9 in one side of bracing piece 8, make the more accurate of height of adjusting bracing piece 8, strengthen the controllability.
The electric telescopic rods 11 are symmetrically arranged at one end, far away from the meshing teeth 9, of the supporting rod 8, the expansion and contraction of the electric telescopic rods 11 are controlled through the operation panel 3, so that the distance between the distance detectors 12 can be changed, and when the distance detectors 12 touch gaps at two sides of the elevator door, circuit signals are transmitted to the operation panel 3 and recorded.
In a preferred embodiment, a guide rail may be used, the distance detector 12 is movably connected to the guide rail through a guide rod, one end of the guide rail is fixedly connected to the support rod 8, and the gap between the two sides of the elevator door is measured by moving the guide rod to change the distance between the distance detector 12.
In one embodiment, referring to fig. 1 and 4-5, the second adjustment assembly further includes a power module comprising:
the disc 13 is movably connected with the protective box body 27, a first deflector rod 15 is arranged on the outer side of the disc 13, and the first deflector rod 15 is used for deflecting the mobile module; and
the rotating shaft 14 is arranged concentrically with the disc 13, a second driving lever 16 is arranged on the rotating shaft 14, and the second driving lever 16 is used for driving the driving component to control the extension of the mobile module.
Further, referring to fig. 1 and 4 to 5, the moving module includes:
the movable plate 17 is movably connected with the protection box body 27, and the movable plate 17 is used for driving the infrared distance meter 20 to stretch;
the second stop block 23 is arranged on one side of the moving plate 17, and the second stop block 23 is movably connected with the shifting assembly; and
and the third block 24 is arranged on the other side of the moving plate 17, and the third block 24 is movably connected with the first shift lever 15.
Further, referring to fig. 1 and 4 to 5, the toggle assembly includes:
the first rotating rod 25 is movably connected with the protective box body 27, and one end of the first rotating rod 25 is movably connected with the second driving lever 16; and
and the second rotating rod 26 is movably connected with the first rotating rod 25, and one end of the second rotating rod 26 is movably connected with the second stopper 23.
In this embodiment, the disc 13 and the rotating shaft 14 are concentrically arranged and movably connected to the inner wall of the protection box 27, the rotating shaft 14 is rotated to drive the disc 13 to rotate, so that the first driving lever 15 and the second driving lever 16 rotate, the first driving lever 15 and the second driving lever 16 are located on different planes, the first driving lever 15 drives the third stopper 24 in the rotating process, so that the third stopper 24 drives the moving plate 17 to retract, the second driving lever 16 drives the first rotating rod 25 in the rotating process, so that the first rotating rod 25 rotates, the first rotating rod 25 drives the second rotating rod 26 to rotate, the second rotating rod 26 drives the second stopper 23, so that when the infrared distance measuring instrument 20 needs to be moved out, the second rotating rod 26 is not connected with the second stopper 23, so that one end of the moving plate 17 is moved out of the protection box 27, when the infrared distance measuring instrument 20 needs to be retracted, the first driving lever 15 drives the third stopper 24, and the second rotating rod 26 limits the second stopper 23, the retraction of the moving plate 17 is completed.
In a preferred embodiment, the disc 13 and the shaft 14 can be replaced by a motor and a motor shaft, the motor is arranged on one side of the protective casing 27, the motor is electrically connected to the power source 2, the motor is started to rotate the motor shaft, and the first driving lever 15 and the second driving lever 16 are arranged on different planes of the motor shaft, so that the first driving lever 15 and the second driving lever 16 can be driven.
Further, referring to fig. 1 and 4 to 5, a first stopper 21 is disposed on one side of the moving plate 17, a blocking column 22 is disposed on an inner wall of the protective box 27, and the blocking column 22 is movably connected to the first stopper 21, so that the moving plate 17 can be limited by the blocking column 22 when moving out of the protective box 27.
The groove 18 is formed in the moving plate 17 at the center, the groove 18 penetrates through the moving plate 17, the limiting plate 19 is installed on the inner wall of one side of the protective box 27, the limiting plate 19 is movably connected with the groove 18, and the limiting plate 19 limits the groove 18 to prevent the moving plate 17 from falling off in the moving process of the moving plate 17 through the limiting plate 19.
The working principle of the invention is as follows:
the device main body 1 is moved to the gap of the elevator door, the cam 6 is rotated by shaking the rocker 7 to drive the push rod 10 to rotate, the rotating push rod 10 does not need to rotate for a circle, the push rod 10 is rotated to the next meshing tooth 9 to push the meshing tooth 9 to move up and down, the supporting rod 8 is driven to move up and down, the electric telescopic rods 11 are symmetrically arranged at one ends of the supporting rods 8 far away from the meshing tooth 9, the telescopic of the electric telescopic rods 11 is controlled by the operating panel 3, the distance between the distance detectors 12 can be changed, when the distance detectors 12 touch the gaps at two sides of the elevator door, a circuit signal is transmitted to the operating panel 3, the first deflector rod 15 stirs the third deflector rod 24 in the rotating process, the third deflector rod 24 drives the moving plate 17 to retract, the second deflector rod 16 stirs the first rotating rod 25 in the rotating process, make first dwang 25 rotate, first dwang 25 drives second dwang 26 and rotates, second dwang 26 stirs second dog 23, make when needing infrared distance measuring instrument 20 to shift out, second dwang 26 does not connect second dog 23, make the one end of movable plate 17 shift out protection box 27, when needs withdraw infrared distance measuring instrument 20, third dog 24 is stirred to first driving lever 15, second dwang 26 supports second dog 23 simultaneously, the completion is to withdrawing of movable plate 17.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides an elevator door gap width detection device, includes the device main part, the device main part is used for detecting elevator door position detection gap width, its characterized in that still includes:
the first detection mechanism comprises a distance measurement component and a first adjusting component, the first adjusting component is arranged in the device main body and comprises a cam and a sliding component, the sliding component is arranged in the device main body and is movably connected with the cam through a pushing component, the cam is rotated and drives the pushing component, the pushing component is used for adjusting the height of the distance measurement component in a mode of driving the sliding component to move, the cam is movably connected with the inner wall of one side of the device main body and provides power through a rotating mode, one end of the first adjusting component is connected with the distance measurement component, the first adjusting component is used for adjusting the distance of the distance measurement component, and the distance measurement component is used for realizing one-time measurement of the gap width of the elevator door; and
the second detection mechanism comprises a distance meter and a protection box body, a second adjusting component and a stirring component are arranged in the protection box body, the second adjusting component comprises a moving module and a power module, the distance meter is arranged at one end of the moving module, the moving module is movably connected with the protection box body, the distance meter is used for assisting the distance measuring component to measure the gap width of the elevator door, the distance meter is used for realizing secondary measurement of the gap width of the elevator door, the second adjusting component drives the distance meter on the moving module to stretch in the protection box body through the stirring component, and the first adjusting component drives the distance meter to adjust the height of the distance measuring component while adjusting the height of the distance measuring component, so that the retest of the same position is realized;
wherein the power module comprises:
the disc is movably connected with the protection box body, a first deflector rod is arranged on the outer side of the disc, and the first deflector rod is used for deflecting the mobile module; and
the rotating shaft and the disc are arranged concentrically, a second deflector rod is arranged on the rotating shaft and used for deflecting the deflector assembly and controlling the stretching of the moving module;
the moving module includes:
the movable plate is movably connected with the protection box body and used for driving the infrared distance meter to stretch;
the second stop block is arranged on one side of the moving plate and is movably connected with the shifting assembly; and
the third stop block is arranged on the other side of the moving plate and is movably connected with the first driving lever;
the toggle assembly comprises:
the first rotating rod is movably connected with the protection box body, and one end of the first rotating rod is movably connected with a second driving rod; and
the second dwang, second dwang swing joint first dwang, the one end swing joint second stopper of second dwang.
2. The elevator door gap width detecting device of claim 1, wherein a moving member is provided at one side of the device body, and the moving member is used to move the device body.
3. The elevator door gap width detecting device according to claim 1, wherein a power source is provided in the device main body, the power source is electrically connected to an operation panel, the operation panel is electrically connected to the first detecting mechanism and the second detecting mechanism, and the operation panel is used for controlling the first detecting mechanism and the second detecting mechanism.
4. The elevator door gap width detecting device of claim 1, wherein the first adjusting assembly comprises:
the cam is movably connected with the inner wall of one side of the device main body and provides power in a rotating mode;
the sliding assembly is arranged in the device main body and is movably connected with the cam through a pushing assembly, the cam rotates to drive the pushing assembly, and the pushing assembly drives the sliding assembly to move so as to adjust the height of the distance measuring assembly.
5. The elevator door gap width detecting device according to claim 1, wherein the push assembly includes:
one end of the push rod is movably connected with one end of the cam, and the push rod is driven by the cam to rotate; and
the meshing tooth is arranged on one side of the supporting rod, and the other end of the push rod is movably connected with the meshing tooth and used for pushing the supporting rod provided with the meshing tooth to move up and down through the push rod so as to adjust the height of the distance measuring assembly.
6. The elevator door gap width detecting device of claim 4, wherein the distance measuring assembly comprises:
the electric telescopic rod is connected with the operation panel through a circuit, the electric telescopic rod is arranged at one end of the supporting rod, the electric telescopic rods are symmetrically arranged around the supporting rod, and the electric telescopic rods are used for adjusting the distance between the distance measuring components; and
the distance detector is arranged at one end, far away from the supporting rod, of the electric telescopic rod, the distance detector is connected with the operating panel through a circuit, and the distance detector is used for detecting the gap width of the elevator door.
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| CN202110619395.3A CN113321088B (en) | 2021-06-03 | 2021-06-03 | Elevator door gap width detection device |
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| CN202110619395.3A CN113321088B (en) | 2021-06-03 | 2021-06-03 | Elevator door gap width detection device |
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