CN220467267U

CN220467267U - Dynamic detector for gap between skirt plates of escalator

Info

Publication number: CN220467267U
Application number: CN202321986475.3U
Authority: CN
Inventors: 梁友民; 臧小惠; 孟素华
Original assignee: Dalian Easy Test Technology Co ltd
Current assignee: Dalian Easy Test Technology Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-02-09
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses a dynamic detector for the gap between skirt boards of an escalator, which relates to the technical field of detection of special equipment and comprises a follow-up end measuring host, a fixed end measuring host, a calibration board, a handheld terminal and a wireless thermal printer; the follow-up end measuring host and the fixed end measuring host are respectively provided with a laser displacement sensor, a battery and a Bluetooth module; the utility model is used for dynamically detecting the apron plate gap of the escalator, can dynamically monitor the escalator when the steps of the escalator move, automatically calculate and judge the detection data, accurately mark and record the hidden danger position, and make up for the defects of the traditional detection means; the gap measurement is carried out by adopting the imported high-precision laser displacement sensor, the multipath data synchronous acquisition and processing technology and the data communication technology are combined, the change condition of the step gap of the escalator is rapidly acquired in real time and is uploaded to the handheld terminal in real time, the change curve and the measurement data of the step gap are displayed by special software, and the detection efficiency is high and the error is small.

Description

Dynamic detector for gap between skirt plates of escalator

Technical Field

The utility model relates to the technical field of special equipment detection, in particular to a dynamic detector for an escalator apron plate gap.

Background

With the rapid development of the economy in China, large markets, subway stations, railway stations, airports and the like are greatly emerging. Escalator plays an increasingly important role in people's lives as a very important vehicle in these public places. While the escalator brings convenience to life of people, due to the running characteristics of the escalator, a plurality of safety accidents are caused. Therefore, detection of escalator is receiving attention of people, and related detection instruments are also being developed vigorously.

In the operation of the escalator, a gap between the steps and the apron plate belongs to a dynamic and static boundary, and the dynamic and static boundary is a dangerous area with frequent accidents. Compared with riding an elevator, people can be at the dynamic and static boundaries in the whole process of riding the escalator, and the steps and the apron of the escalator cause a plurality of unfortunate accidents. According to the requirements of TSG T7005-2012, regulations for supervision and periodic inspection of elevators, escalator and moving walkway, the apron plates of the escalator are arranged on two sides of steps, pedals or adhesive tapes, the horizontal clearance of any side should not be more than 4mm, and the sum of the clearances at symmetrical positions of two sides should not be more than 7mm.

At present, the corresponding test method is as follows: in the detection process, the escalator needs to stop running, and related data is manually measured by adopting a feeler gauge or a steel ruler. The method mainly has the advantages of low detection efficiency and large error, and the judgment conclusion is easily influenced when the data is close to the critical value.

In order to solve the defects in the prior art, a measuring instrument needs to be newly developed to dynamically monitor when the steps move and automatically calculate and judge detection data, and the hidden danger positions are accurately marked and recorded so as to make up for the defects of the traditional detection means.

Disclosure of Invention

The utility model aims to provide a dynamic detector for the gap between skirt boards of an escalator, which aims to solve the problems that the escalator needs to stop running and manually measure related data by adopting a feeler gauge or a steel ruler in the existing detection method in the background technology, but the detection mainly has low detection efficiency and large error, and the judgment conclusion is easily influenced when the data is close to a critical value.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the dynamic detector for the gap of the skirt guard plate of the escalator comprises a follow-up end measuring host, a fixed end measuring host, a calibration plate, a handheld terminal and a wireless thermal printer; the follow-up end measuring host comprises a follow-up host bottom plate fixture, a follow-up host shell, a follow-up host circuit board, a laser displacement sensor, a follow-up host battery, a follow-up host speed measuring telescopic rod and a follow-up host Bluetooth module; the fixed end measuring host comprises a fixed host bottom plate fixture, a fixed host shell, a fixed host circuit board, a fixed host Bluetooth module and a fixed host battery; the calibration board is used for calibrating the follow-up end measurement host and the fixed end measurement host after being installed, the follow-up end measurement host and the fixed end measurement host are respectively and wirelessly connected with the handheld terminal, and the handheld terminal is wirelessly connected with the wireless thermal printer.

Preferably, the servo host bottom plate fixture and the servo host shell are surrounded to form a hollow shell, a servo host circuit board fixing plate is horizontally arranged in the middle of the inner side of the servo host shell, a servo host circuit board is arranged on the bottom surface of the servo host circuit board, a laser displacement sensor is arranged on the top surface of the servo host bottom plate fixture, a servo host battery is arranged below the servo host circuit board on the top surface of the servo host bottom plate fixture, a servo host speed measuring telescopic rod extending to the right side is arranged on the servo host shell close to the rear side, and a servo host Bluetooth module is arranged on the left side of the servo host.

Further, a follow-up host switch at the front side, a follow-up host charging port at the left side and a follow-up host electric quantity display lamp are embedded in the follow-up host shell; the top of the follow-up host shell is in a reduced arrangement, and a follow-up host laser light emitting measuring port is arranged on the right side of the follow-up host shell; and the following host machine shell is embedded in a position corresponding to the following host machine Bluetooth module and is provided with a following host machine signal plastic plate.

Further, the speed measuring telescopic rod of the follow-up host comprises a rod body arranged in the follow-up host shell and a telescopic spring sleeved outside the rod body, and the position, close to the left end, of the rod body is fixedly connected with the right end of the telescopic spring; the right-hand member of the body of rod is provided with the rotatory end that can freely rotate, the pulley that tests the speed is installed through the bearing frame to the rotatory end, be provided with a plurality of through-holes on the circumference of pulley that tests the speed, simultaneously the rotatory end inboard still is provided with and is used for detecting the photoelectric switch that tests the pulley rotational speed that tests the speed.

Preferably, the fixed host bottom plate fixture and the fixed host shell enclose into a hollow space, a horizontal sensor mounting plate is arranged inside the fixed host shell, a laser displacement sensor is arranged on the top surface of the fixed host bottom plate fixture, a fixed host circuit board is arranged on the bottom surface of the fixed host bottom plate fixture, a fixed host Bluetooth module is arranged on the rear side of the fixed host bottom plate fixture, and a fixed host battery is arranged on the top surface of the fixed host bottom plate fixture below the fixed host circuit board.

Further, a fixed host switch arranged on the front side, a fixed host charging port arranged on the left side and a fixed host electric quantity display lamp are embedded in the fixed host shell, the top of the fixed host shell is in a reduced arrangement, and a laser light-emitting measuring port is arranged on the right side of the fixed host shell; the fixed host signal plastic plate is embedded in the position corresponding to the fixed host Bluetooth module at the rear side of the fixed host shell.

Further, the follow-up host bottom plate clamp and the fixed host bottom plate clamp have the same structure, and comprise a host bottom plate with an inwards concave top surface, two mutually parallel smooth shaft rods transversely arranged in the groove, clamp springs sleeved on the outer side, and the right ends of the two smooth shaft rods are fixedly connected; the right side of host computer bottom plate is provided with the fixed splint that the base exceeded its bottom surface, the left side is provided with the movable splint that the base exceeded its bottom surface, and the left end of two smooth axostylus axostyle runs through the host computer bottom plate with movable splint rigid coupling, the center department of the left surface of movable splint is provided with the fixture pull ring.

Preferably, the calibration plate comprises a calibration vertical plate which is vertically arranged, a calibration transverse plate is arranged at one third of the vertical height of the lower part of the calibration vertical plate, and the thickness of the part of the calibration vertical plate below the calibration transverse plate is reduced by one half.

Preferably, the handheld terminal is internally provided with measurement software.

Preferably, the installation clearance between the laser light-emitting measuring port of the follow-up end measuring host and the skirt board is 75-120 mm; and the installation gap between the laser light-emitting measuring port of the fixed end measuring host and the skirt guard plate is 75-120 mmmm.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is used for dynamically detecting the apron plate gap of the escalator, can dynamically monitor the escalator when the steps of the escalator move, automatically calculate and judge the detection data, accurately mark and record the hidden danger position, and make up for the defects of the traditional detection means; the gap measurement is carried out by adopting the imported high-precision laser displacement sensor, the multipath data synchronous acquisition and processing technology and the data communication technology are combined, the change condition of the step gap of the escalator is rapidly acquired in real time and is uploaded to the handheld terminal in real time, the change curve and the measurement data of the step gap are displayed by special software, and the detection efficiency is high and the error is small.

Drawings

FIG. 1 is a schematic diagram of the present utility model;

FIG. 2 is an isometric view of a follower end measurement host;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a left side view of FIG. 2;

FIG. 5 is a cross-sectional view of A-A of FIG. 3;

FIG. 6 is a cross-sectional view of B-B in FIG. 3;

FIG. 7 is an isometric view of a fixed end measurement host;

FIG. 8 is a front view of FIG. 7;

FIG. 9 is a cross-sectional view of C-C of FIG. 8;

FIG. 10 is a cross-sectional view of D-D of FIG. 8;

FIG. 11 is a schematic illustration of a calibration plate;

FIG. 12 is a schematic illustration of calibration plate installation;

in the figure: the device comprises a follow-up end measuring host-1, a follow-up host bottom plate clamp-11, a host bottom plate-111, a smooth shaft rod-112, a clamp spring-113, a fixed clamp plate-114, a movable clamp plate-115, a clamp pull ring-116, a follow-up host shell-12, a follow-up host switch-121, a follow-up host charging port-122, a follow-up host electric quantity display lamp-123, a laser light emitting measuring port-124, a follow-up host signal plastic plate-125, a follow-up host circuit board fixing plate-13, a follow-up host circuit board-14, a laser displacement sensor-15, a follow-up host battery-16, a follow-up host speed measuring telescopic rod-17, a rod body-171, a telescopic spring-172, a rotating end-173, a speed measuring pulley-174, a photoelectric switch-175, a follow-up host Bluetooth module-18, a fixed end measuring host-2, a fixed host bottom plate clamp-21, a fixed host shell-22, a fixed host switch-221, a fixed host charging port-222, a fixed host electric quantity display lamp-223, a fixed host signal plastic plate-224, a sensor-23, a fixed host battery plate-24, a fixed host Bluetooth circuit board-24, a fixed host battery plate-25-31, a calibration vertical terminal plate, a calibration plate and a wireless terminal-3-32.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-12, fig. 1 is a schematic diagram of the present utility model; FIG. 2 is an isometric view of a follower end measurement host; FIG. 3 is a front view of FIG. 2; FIG. 4 is a left side view of FIG. 2; FIG. 5 is a cross-sectional view of A-A of FIG. 3;

FIG. 6 is a cross-sectional view of B-B in FIG. 3; FIG. 7 is an isometric view of a fixed end measurement host; FIG. 8 is a front view of FIG. 7; FIG. 9 is a cross-sectional view of C-C of FIG. 8; FIG. 10 is a cross-sectional view of D-D of FIG. 8; FIG. 11 is a schematic illustration of a calibration plate; FIG. 12 is a schematic view of a calibration plate installation.

The utility model provides a dynamic detector for the gap between skirt boards of an escalator, which is used for dynamically detecting the gap between skirt boards of the escalator; the device comprises a follow-up end measuring host 1, a fixed end measuring host 2, a calibration plate 3, a handheld terminal 4 and a wireless thermal printer 5; the calibration board 3 is used for calibrating the follow-up end measurement host 1 and the fixed end measurement host 2 after being installed, the follow-up end measurement host 1 and the fixed end measurement host are respectively and wirelessly connected with the handheld terminal 4, and the handheld terminal 4 is wirelessly connected with the wireless thermal printer 5.

The follow-up end measurement host 1 comprises a follow-up host bottom plate clamp 11 arranged at the bottom, a follow-up host shell 12 arranged in a covering manner is arranged on the top surface of the follow-up host bottom plate clamp 11, a follow-up host circuit board fixing plate 13 is horizontally arranged in the middle of the vertical height inside the follow-up host shell 12, a follow-up host circuit board 14 is arranged on the bottom surface of the follow-up host circuit board fixing plate 13, a laser displacement sensor 15 is arranged on the top surface, a follow-up host battery 16 is arranged on the top surface of the follow-up host bottom plate clamp 11 below the follow-up host circuit board 14, a follow-up host speed measuring telescopic rod 17 extending to the right side is arranged on the back side of the follow-up host shell 12, and a follow-up host Bluetooth module 18 is arranged on the left side of the follow-up host speed measuring telescopic rod for wireless transmission of measurement data of the follow-up end measurement host 1.

The follow-up host bottom plate clamp 11 comprises a host bottom plate 111 with a concave top surface, two parallel smooth shaft rods 112 transversely arranged in the groove, clamp springs 113 sleeved on the outer sides of the smooth shaft rods 112, and the right ends of the smooth shaft rods 112 are fixedly connected with the right ends of the clamp springs 113; the right side of the main machine bottom plate 111 is provided with a fixed clamping plate 114 with the bottom edge exceeding the bottom surface thereof, the left side is provided with a movable clamping plate 115 with the bottom edge exceeding the bottom surface thereof, and the left ends of the two smooth shaft rods 112 penetrate through the main machine bottom plate 111 to be fixedly connected with the movable clamping plate 115 and can synchronously move; a clamp pull ring 116 is provided at the center of the left side surface of the movable clamp plate 115.

The following host shell 12 is embedded with a following host switch 121 on the front side, a following host charging port 122 on the left side and a following host electric quantity display lamp 123; the top of the following host shell 12 is provided with a laser light outlet measuring port 124 at the right side; the following host shell 12 is embedded in a position corresponding to the following host bluetooth module 18 and provided with a following host signal plastic board 125 for unobstructed transmission of wireless signals.

The speed measuring telescopic rod 17 of the follow-up host comprises a rod body 171 arranged in the follow-up host shell 12 and a telescopic spring 172 sleeved outside the rod body, and the position, close to the left end, of the rod body 171 is fixedly connected with the right end of the telescopic spring 172; the right-hand member of the body of rod 171 is provided with the rotational end 173 that can freely rotate, rotational end 173 installs the speed pulley 174 through the bearing frame, be provided with a plurality of through-holes on the circumference of speed pulley 174, simultaneously rotational end 173 inboard still is provided with and is used for detecting the photoelectric switch 175 of speed pulley 174 rotational speed.

The slave host switch 121, the slave host charging port 122, the slave host power display lamp 123, the laser displacement sensor 15, the slave host battery 16, the photoelectric switch 175, and the slave host bluetooth module 18 are electrically connected to the slave host circuit board 14, respectively.

The fixed end measuring host 2 comprises a fixed host bottom plate clamp 21, a fixed host shell 22 is arranged on the top surface of the fixed host bottom plate clamp 21 in a covering mode, a sensor mounting plate 23 is horizontally arranged in the middle of the vertical height of the inside of the fixed host shell 22, a laser displacement sensor 15 is arranged on the top surface of the sensor mounting plate 23, a fixed host circuit board 24 is arranged on the bottom surface, a fixed host Bluetooth module 25 is arranged on the rear side of the sensor mounting plate, and a fixed host battery 26 is arranged on the top surface of the fixed host bottom plate clamp 21 below the fixed host circuit board 24.

The structure of the fixed host chassis clamp 21 is the same as that of the follow-up host chassis clamp 11, and includes a host chassis 111, two smooth shafts 112, two clamp springs 113, a fixed clamping plate 114, a movable clamping plate 115, and a clamp pull ring 116.

The fixed host switch 221 on the front side, the fixed host charging port 222 on the left side and the fixed host power display lamp 223 are embedded in the fixed host shell 22, the top of the fixed host shell 22 is in a reduced arrangement, and the laser light emitting measurement port 124 is arranged on the right side; the rear side of the fixed host housing 22 is embedded with a fixed host signal plastic board 224 at a position corresponding to the fixed host bluetooth module 25, for unobstructed transmission of wireless signals.

The fixed host switch 221, the fixed host charging port 222, the fixed host power display lamp 223, the fixed host bluetooth module 25, the fixed host battery 26, and the laser displacement sensor 15 are electrically connected to the fixed host circuit board 24.

The calibration plate 3 comprises a calibration vertical plate 31 which is vertically arranged, a calibration transverse plate 32 is arranged at one third of the vertical height of the lower part of the calibration vertical plate, and the thickness of the part of the calibration vertical plate 31 below the calibration transverse plate 32 is reduced by one half; when the calibration vertical plate 31 is used, the bottom end of the calibration vertical plate 31 is downwards inserted between the comb plate and the apron plate of the escalator, the left side face of the calibration vertical plate 31 is tightly attached to the right side face of the comb plate of the escalator after the calibration vertical plate is inserted, and the bottom face of the calibration transverse plate is tightly attached to the top face of the comb plate, so that calibration operation is facilitated.

The handheld terminal 4 is internally provided with measurement software, and the measurement data of the follow-up end measurement host 1 and the fixed end measurement host 2 are automatically recorded in the measurement software and automatically processed, so that the change curve and the measurement data of the step gap of the escalator are displayed through the software.

When the escalator skirt guard plate gap detection method is used, the workflow for dynamically detecting the gap of the escalator skirt guard plate comprises the following steps:

1. the follow-up end measuring host and the fixed end measuring host select proper clamping positions for clamping, after the positions are determined, the clamping tool pull ring is pulled, the follow-up end measuring host and the fixed end measuring host are clamped on the steps of the escalator, and the fixing can be completed by loosening the clamping tool pull ring. The speed measuring pulley direction of the follow-up end measuring host machine is adjusted to enable the rotation direction of the speed measuring pulley to be in the same direction with the gradient of the escalator; after the operation is finished, the switches of the follow-up end measuring host and the fixed end measuring host are turned on.

The following end measuring host: the clearance between the light-emitting measuring port of the laser and the apron plate is about 100mm (75-120 mm range), and the speed measuring pulley is required to be contacted with the apron plate and has a telescopic space;

fixed end measuring host: the clearance between the laser light-emitting measuring port and the apron plate is about 100mm (75 mm-120 mm);

2. and opening the handheld terminal, clicking the measurement software icon, and entering a main interface of the software.

3. When the two follow-up end measuring hosts and the fixed end measuring host are connected with the handheld terminal, the item of 'measuring information' can display: "please click to start testing".

4. Before measurement, the installation position of the current measurement host needs to be calibrated, and a calibration plate needs to be used for calibration. And (3) adjusting the position of the calibration plate, and indicating the laser point of the measuring host to the central area of the calibration plate.

5. And (3) software calibration: clicking a drop-down menu of 'calibration module selection', and selecting a 'main test module' which is a follow-up measurement host or a 'auxiliary test module' which is a fixed measurement host according to the installation position of the current calibration plate; clicking a calibration icon to start calibration of the current module, and displaying measurement information at the moment: in the calibration of the main (auxiliary) test module, after the calibration of the current module is finished, clicking a stop icon. After the current module is calibrated, the calibration plate is replaced to another module for installation, and then calibration work is carried out on the calibration plate, and the operation is the same as that of the previous module.

6. After the calibration of the main module and the auxiliary module is completed, clicking a start icon, changing the icon into a stop icon, a real-time gap of the main module, a real-time travel distance of the auxiliary module, a real-time travel speed of the auxiliary module, a gap-distance change curve, starting the escalator, stopping the escalator after the escalator runs to the top end/the low end, clicking the stop icon, and finishing the measurement.

7. After the measurement is completed, the software automatically calculates to generate detection data; clicking 'save', saving the data, and searching the data in the history data; clicking "print", the bluetooth printer can print the report in real time; clicking on the "calculator" may calculate a value based on the inspector's input.

While embodiments of the utility model have been illustrated and described, it will be apparent that the embodiments described are merely some, but not all embodiments of the utility model. Based on the embodiments of the present utility model, it will be understood by those skilled in the art that all other embodiments which may be obtained from numerous changes, modifications, substitutions and alterations of these embodiments without departing from the spirit and principles of the present utility model are within the scope of the present utility model.

Claims

1. An automatic staircase skirt panel clearance dynamic detector which characterized in that: the device comprises a follow-up end measuring host (1), a fixed end measuring host (2), a calibration plate (3), a handheld terminal (4) and a wireless thermal printer (5); the follow-up end measuring host (1) comprises a follow-up host bottom plate clamp (11), a follow-up host shell (12), a follow-up host circuit board (14), a laser displacement sensor (15), a follow-up host battery (16), a follow-up host speed measuring telescopic rod (17) and a follow-up host Bluetooth module (18); the fixed end measuring host (2) comprises a fixed host bottom plate clamp (21), a fixed host shell (22), a fixed host circuit board (24), a fixed host Bluetooth module (25) and a fixed host battery (26); the calibration board (3) is used for calibrating the follow-up end measurement host (1) and the fixed end measurement host (2) after being installed, the follow-up end measurement host (1) and the fixed end measurement host (2) are respectively and wirelessly connected with the handheld terminal (4), and the handheld terminal (4) is wirelessly connected with the wireless thermal printer (5).

2. The escalator skirt guard panel gap dynamic detector of claim 1, wherein: the follow-up host computer bottom plate fixture (11) and follow-up host computer shell (12) surround into hollow casing, follow-up host computer shell (12) inboard centre department level is provided with follow-up host computer circuit board fixed plate (13) to set up follow-up host computer circuit board (14) in its bottom surface, top surface set up laser displacement sensor (15), the below of follow-up host computer circuit board (14) is provided with follow-up host computer battery (16) on the top surface of follow-up host computer bottom plate fixture (11), follow-up host computer shell (12) are close to the rear side and are provided with follow-up host computer speed measuring telescopic link (17) that stretch to the right side, and are provided with follow-up host computer bluetooth module (18) in its left side.

3. The escalator skirt guard panel gap dynamic detector of claim 2, wherein: a follow-up host switch (121) arranged on the front side, a follow-up host charging port (122) on the left side and a follow-up host electric quantity display lamp (123) are embedded in the follow-up host shell (12); the top of the follow-up host shell (12) is in a reduced arrangement, and a follow-up host laser light-emitting measuring port (124) is arranged on the right side of the follow-up host shell; the following host machine shell (12) is embedded at a position corresponding to the following host machine Bluetooth module (18) and is provided with a following host machine signal plastic plate (125).

4. The escalator skirt panel gap dynamic detector of claim 3, wherein: the follow-up host speed measuring telescopic rod (17) comprises a rod body (171) arranged in the follow-up host shell (12) and a telescopic spring (172) sleeved outside the rod body, and the position, close to the left end, of the rod body (171) is fixedly connected with the right end of the telescopic spring (172); the right-hand member of body of rod (171) is provided with rotatable rotating end (173), rotating end (173) is installed through the bearing frame and is tested speed pulley (174), be provided with a plurality of through-holes on the circumference of speed pulley (174), simultaneously rotating end (173) inboard still is provided with and is used for detecting photoelectric switch (175) of speed pulley (174) rotational speed.

5. The escalator skirt panel gap dynamic detector of claim 4, wherein: the fixed host bottom plate fixture (21) with fixed host shell (22) enclose into hollow space, fixed host shell (22) inside is provided with horizontally sensor mounting panel (23) to set up laser displacement sensor (15) on its top surface, the bottom surface is provided with fixed host circuit board (24), the rear side is provided with fixed host bluetooth module (25), the below of fixed host circuit board (24) is in be provided with fixed host battery (26) on the top surface of fixed host bottom plate fixture (21).

6. The escalator skirt panel gap dynamic detector of claim 5, wherein: a front side fixed host switch (221), a left side fixed host charging port (222) and a fixed host electric quantity display lamp (223) are embedded in the fixed host shell (22), the top of the fixed host shell (22) is in a reduced arrangement, and a laser light emitting measuring port (124) is arranged on the right side of the fixed host shell; the rear side of the fixed host shell (22) is embedded at a position corresponding to the fixed host Bluetooth module (25) and provided with a fixed host signal plastic plate (224).

7. The escalator skirt panel gap dynamic detector of claim 6, wherein: the follow-up host computer bottom plate clamp (11) and the fixed host computer bottom plate clamp (21) have the same structure, and comprise a host computer bottom plate (111) with an inwards concave top surface, two mutually parallel smooth shaft rods (112) transversely arranged in the grooves, clamp springs (113) sleeved on the outer sides and fixedly connected with the right ends of the two; the right side of host computer bottom plate (111) is provided with fixed splint (114) that the base surpassed its bottom surface, and the left side is provided with movable splint (115) that the base surpassed its bottom surface, and the left end of two smooth axostylus axostyle (112) runs through host computer bottom plate (111) with movable splint (115) rigid coupling, the center department of the left surface of movable splint (115) is provided with fixture pull ring (116).

8. The escalator skirt guard panel gap dynamic detector according to any one of claims 1-7, wherein: the calibration plate (3) comprises a calibration vertical plate (31) which is vertically arranged, a calibration transverse plate (32) is arranged at one third of the vertical height of the lower part of the calibration vertical plate, and meanwhile, the thickness of the part of the calibration vertical plate (31) below the calibration transverse plate (32) is reduced to one half.

9. The escalator skirt panel gap dynamic detector of claim 8, wherein: the handheld terminal (4) is internally provided with measurement software.

10. The escalator skirt panel gap dynamic detector of claim 9, wherein: the installation clearance between the laser light-emitting measuring port (124) of the follow-up end measuring host (1) and the skirt board is 75-120 mm; the installation clearance between the laser light-emitting measuring port (124) of the fixed end measuring host (2) and the skirt board is 75 mm-120 mm.