Subway platform screen door strength detection device

By designing a device that includes vibration, humidity and visual detection, the problems of low efficiency and poor accuracy in the existing subway shield door detection technology are solved, and comprehensive inspection of subway shield doors under various environmental conditions is achieved, which improves detection accuracy and applicability.

CN120404110APending Publication Date: 2025-08-01GAOYOU JINGBIAO GEARS MFG CO LTD
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Patent Information

Application Number
CN202510681817.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2025-08-01

AI Technical Summary

Technical Problem

The existing subway shield door detection technology mainly relies on manual or traditional physical testing, and there are problems such as low efficiency, poor accuracy, and incomplete simulation of the detection environment. It is difficult to comprehensively evaluate the performance of shield doors in actual operating environments.

Method used

A subway shield door intensity detection device is designed, including a vibration unit, a humidity unit and a visual unit, which can simulate vibration, humid environment and high temperature and high humidity environment when walking in the subway, and visually detect the opening and closing speed and time of the subway shield door to ensure the comprehensiveness and accuracy of the detection.

Benefits of technology

It realizes the reliability and stability detection of subway shield doors under various environmental conditions, improves the accuracy and practicality of the detection, and is suitable for subway shield doors of different widths and heights.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a subway platform screen door strength detection device, and relates to the technical field of platform screen door detection, the subway platform screen door strength detection device comprises a main body base, two sides of the main body base are respectively provided with a group of fixing units, the main body base is internally provided with a vibration unit, and the top end of the main body base is provided with a visual unit. A plurality of groups of uniformly distributed humidity units are arranged on the first surface of the main body base, a central rectangular hole is formed in the center of the main body base, the opening and closing speed and time of the metro platform screen door in a vibration environment are detected through the vision unit after the vibration unit is started, and the reliability and stability of the metro platform screen door are detected; detecting the opening and closing speed and time of the metro platform screen door in a high-temperature or / and high-humidity environment through a visual unit, and detecting the reliability and stability of the metro platform screen door; and the subway shielding doors with different widths and heights can be fixed through the fixing units, and the practicability and applicability of the device are improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of platform screen door detection, and particularly to a device for detecting the strength of subway platform screen doors. Background Art

[0002] In modern urban transportation systems, the subway, as an important means of public transportation, has been widely used in major cities. Subway platform screen doors are an important part of subway operation, mainly functioning to isolate the space between passengers and the tracks, ensure the safety of passengers, and effectively block the impact of the external environment on subway carriages. To ensure the safety, reliability, and long-term stability of subway platform screen doors, regular inspections and evaluations must be carried out. However, current subway platform screen door detection technologies mainly rely on manual or traditional physical testing methods, which usually have problems such as low efficiency, poor accuracy, and incomplete simulation of the detection environment, making it difficult to comprehensively evaluate the performance of the screen doors in the actual operating environment.

[0003] The invention authorization patent with the publication number CN110398428B discloses a device for detecting the strength of subway safety platform screen doors, mainly including a bottom plate and a top plate. A seismic simulation device is provided on the top of the bottom plate, which consists of two parallel electric telescopic rods. Second fixing plates are welded to both ends of the electric telescopic rods, and adjustment holes are provided on the outer wall of one side of each second fixing plate. Rolling rods arranged at equal intervals are fixed to the inner wall of the adjustment holes by bolts. A fixing seat is also welded to the top of the bottom plate to stabilize the device structure. This device can simulate the horizontal and vertical vibrations of an earthquake, and by driving the transmission plate to vibrate irregularly in the horizontal and vertical directions, it can truly reproduce the influence of seismic waves. The vibration amplitude can be adjusted according to needs, improving the adjustability of the device and enabling more accurate simulation of different vibration environments. In addition, it combines the function of a blower, and through the cooperation between the wind force and the platform screen door body and the sliding plate, the wind speed is increased. When a certain wind pressure is met, the flow of the wind helps to reduce the load of the blower, thus effectively saving electric energy. However, this patent cannot perform detections under the influence of external environments such as humidity and temperature, and has limitations in detection accuracy. Therefore, the present invention provides a device for detecting the strength of subway platform screen doors. Summary of the Invention

[0004] In view of the above technical problems, the present invention discloses a device for detecting the strength of subway platform screen doors, including a main body base. A set of fixing units are respectively arranged on both sides of the main body base. A vibration unit for simulating the vibration when the subway is running is arranged inside the main body base. A vision unit for detecting the opening and closing speed of the subway platform screen door is arranged on the top end of the main body base. Multiple groups of uniformly distributed humidity units for simulating a humid environment are arranged on the first surface of the main body base. A central rectangular hole is arranged at the center of the main body base; The fixing unit includes two sets of symmetrically distributed adsorption components and two sets of clamping components for restricting the movement of the adsorption components, and the adsorption components and the clamping components correspond to each other one by one; The humidity unit includes a first base and two symmetrically distributed water tanks. The first base is fixedly installed on the first surface of the main body base, and the two water tanks are both fixedly installed on the second surface of the main body base. A multi-angle adjustment component is arranged on the first base; The vibration unit includes a variable-frequency heating wire and a cam eccentric component, and the variable-frequency heating wire is fixedly installed in the central rectangular hole of the main body base.

[0005] Further, the adsorption component includes a first sliding connecting rod, and third sliding connecting rods are slidably installed at both the upper and lower ends of the first sliding connecting rod. A plurality of uniformly distributed limiting holes are arranged on the third sliding connecting rod, and a vacuum suction cup is fixedly installed at one end of the third sliding connecting rod. Symmetrically distributed second sliding connecting rods are fixedly installed on the first sliding connecting rod.

[0006] Further, the clamping component includes two sets of symmetrically distributed sliding blocks. A limiting rod is fixedly installed on the sliding block. The limiting rod is slidably connected with the first sliding connecting rod, and the limiting rod is connected with the limiting holes on the third sliding connecting rod. Two symmetrically distributed first springs are arranged on the sliding block. The first end of the first spring is fixedly installed on the sliding block, and the second end of the first spring is fixedly installed on the first sliding connecting rod. Fixed limiting blocks are slidably installed at both ends of the sliding block, and the fixed limiting blocks are fixedly connected with the first sliding connecting rod.

[0007] Further, the fixing unit further includes a first motor and two racks. The two racks are respectively fixedly installed on the second sliding connecting rods at the upper end of the first sliding connecting rod. The two racks are connected with the main body base. The first motor is fixedly installed on the main body base, and a first gear is fixedly installed at the output end of the first motor. The first gear meshes with the two racks.

[0008] Further, the multi-angle adjustment component includes an atomizer, an axial adjustment component and a radial adjustment component, and the atomizer is connected with both the axial adjustment component and the radial adjustment component.

[0009] Furthermore, the radial adjustment assembly includes an arc-shaped rotating ring II, which is rotatably installed on the atomizer. Two sliding grooves II are respectively arranged on two sides of the arc-shaped rotating ring II. Two symmetrically distributed sliding connection blocks are slidably installed on the sliding grooves II. The sliding connection blocks on two sides of the arc-shaped rotating ring II are jointly connected to a mounting part I, and the mounting part I is fixedly installed on the base I. An incomplete external gear ring II is fixedly installed on the arc-shaped rotating ring II. The radial adjustment assembly further includes a motor II, which is fixedly installed on the base I. A gear III is fixedly installed on the output end of the motor II, and the gear III meshes with the incomplete external gear ring II.

[0010] Furthermore, the axial adjustment assembly includes an arc-shaped rotating ring I, which is rotatably connected to the atomizer. Two sliding grooves I are respectively arranged on two sides of the arc-shaped rotating ring I. Two symmetrically distributed sliding connecting rods IV are slidably installed in the sliding grooves I. The sliding connecting rods IV on two sides of the arc-shaped rotating ring I are both connected to the mounting part I. An incomplete external gear ring I is fixedly installed on the arc-shaped rotating ring I. The axial adjustment assembly further includes a motor connecting seat, which is fixedly installed on the base I. A motor III is fixedly installed on the motor connecting seat. A gear II is fixedly installed on the output end of the motor III, and the gear II meshes with the incomplete external gear ring I.

[0011] Furthermore, the cam eccentric assembly includes a base II, which is arranged in the central rectangular hole of the main body base. Four uniformly distributed springs II are arranged between the base II and the main body base. A motor IV is fixedly installed on the base II. A connecting shaft I is fixedly installed on the output end of the motor IV, and the connecting shaft I is connected to the base II. A pulley I is fixedly installed on the connecting shaft I. An eccentric cam II is fixedly installed at one end of the connecting shaft I.

[0012] Furthermore, the cam eccentric assembly further includes a gear IV and a gear V, which mesh with each other. A connecting shaft II is fixedly installed on the gear IV, and the connecting shaft II is rotatably connected to the base II. A pulley II is fixedly installed on the connecting shaft II, and the pulley II is connected to the pulley I through a belt. The gear V is rotatably installed on the base II. A connecting shaft III is fixedly installed on the gear V, and an eccentric cam I is fixedly installed on the connecting shaft III.

[0013] The beneficial effects of the present invention compared with the prior art are as follows: (1) The present invention is provided with a vibration unit for simulating the vibration when the subway is running. After the vibration unit is started, the visual unit is used to detect the opening and closing speed and time of the subway screen door in the vibration environment, so as to detect the reliability and stability of the subway screen door; (2) The present invention is provided with a humidity unit and a variable-frequency heating wire for simulating a humid environment, and then the visual unit is used to detect the opening and closing speed and time of the subway screen door in a high-temperature or / and high-humidity environment, so as to detect the reliability and stability of the subway screen door; (3) The present invention is provided with a fixing unit, and the fixing unit can fix subway screen doors with different widths and heights, thereby improving the practicability and applicability of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the structure of the fixing unit of the present invention.

[0016] Figure 3 It is a partial structure schematic diagram of the fixing unit of the present invention.

[0017] Figure 4 is Figure 3 the enlarged schematic diagram of the structure at A in

[0018] Figure 5 It is a schematic diagram of the structure of the humidity unit of the present invention.

[0019] Figure 6 It is a partial structure schematic Figure 1 .

[0020] Figure 7 It is a partial structure schematic Figure 2 .

[0021] Figure 8 It is a schematic diagram of the structure of the vibration unit of the present invention.

[0022] Figure 9 It is a partial structure schematic diagram of the vibration unit of the present invention.

[0023] Reference numerals in the drawings: 1 - main body base; 2 - vision unit; 3 - fixing unit; 4 - humidity unit; 5 - vibration unit; 201 - fixing mounting plate; 202 - vision sensor; 301 - first sliding connecting rod; 302 - vacuum suction cup; 303 - first motor; 304 - rack; 305 - second sliding connecting rod; 306 - first gear; 307 - third sliding connecting rod; 308 - limiting hole; 309 - sliding block; 310 - limiting rod; 311 - first spring; 312 - fixing limiting block; 401 - first base; 402 - second motor; 403 - first mounting member; 404 - second gear; 405 - third motor; 406 - motor connecting seat; 407 - atomizer; 408 - first incomplete external gear ring; 409 - first arc-shaped rotating ring; 410 - fourth sliding connecting rod; 411 - first sliding groove; 412 - second incomplete external gear ring; 413 - third gear; 414 - second sliding groove; 415 - sliding connecting block; 416 - second arc-shaped rotating ring; 417 - water tank; 501 - second base; 502 - second spring; 503 - fourth motor; 504 - variable frequency heating wire; 505 - first eccentric cam; 506 - second eccentric cam; 507 - first connecting shaft; 508 - first pulley; 509 - belt; 510 - second pulley; 511 - second connecting shaft; 512 - fourth gear; 513 - fifth gear; 514 - third connecting shaft. Detailed implementation manners

[0024] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0025] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0026] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

[0027] Embodiment: As Figure 1 shown, a subway platform screen door strength detection device includes a main body base 1. A set of fixing units 3 are respectively arranged on both sides of the main body base 1. A vibration unit 5 for simulating the vibration when the subway is running is arranged inside the main body base 1. A vision unit 2 for detecting the opening and closing speed of the subway platform screen door is arranged on the top end of the main body base 1. A plurality of humidity units 4 for simulating a humid environment are evenly distributed on the first surface of the main body base 1. A central rectangular hole is arranged at the center of the main body base 1. The vision unit 2 includes a fixed mounting plate 201, and the fixed mounting plate 201 is fixedly mounted on the main body base 1. A vision sensor 202 is fixedly mounted on the fixed mounting plate 201.

[0028] As Figures 2 - 4 shown, the fixing unit 3 includes two sets of symmetrically distributed adsorption components and two sets of clamping components for restricting the movement of the adsorption components. The adsorption components and the clamping components correspond one by one. The adsorption component includes a sliding connecting rod one 301. Sliding connecting rods three 307 are slidably mounted at both the upper and lower ends of the sliding connecting rod one 301. A plurality of evenly distributed limiting holes 308 are arranged on the sliding connecting rod three 307. A vacuum suction cup 302 is fixedly mounted at one end of the sliding connecting rod three 307. Symmetrically distributed sliding connecting rods two 305 are fixedly mounted on the sliding connecting rod one 301.

[0029] The clamping component includes two sets of symmetrically distributed sliding blocks 309. A limiting rod 310 is fixedly mounted on the sliding block 309. The limiting rod 310 is slidably connected with the sliding connecting rod one 301. The limiting rod 310 is connected with the limiting holes 308 on the sliding connecting rod three 307. Two symmetrically distributed springs one 311 are arranged on the sliding block 309. The first end of the spring one 311 is fixedly mounted on the sliding block 309, and the second end of the spring one 311 is fixedly mounted on the sliding connecting rod one 301. Fixed limiting blocks 312 are slidably mounted at both ends of the sliding block 309, and the fixed limiting blocks 312 are fixedly connected with the sliding connecting rod one 301.

[0030] The fixing unit 3 further includes a first motor 303 and two racks 304. The two racks 304 are respectively and fixedly installed on a second sliding connecting rod 305 at the upper end of the first sliding connecting rod 301. The two racks 304 are connected to the main body base 1. The first motor 303 is fixedly installed on the main body base 1. A first gear 306 is fixedly installed on the output end of the first motor 303. The first gear 306 meshes with the two racks 304.

[0031] When detecting the subway platform screen door, start the first motor 303. The output end of the first motor 303 drives the two racks 304 to disperse to both sides through the first gear 306. The two racks 304 respectively drive the two second sliding connecting rods 305 to move. The two second sliding connecting rods 305 respectively drive the two first sliding connecting rods 301 to move away from the main body base 1. Then, move the sliding block 309. The sliding block 309 drives the limiting rod 310 to move, so that the limiting rod 310 is disengaged from the limiting hole 308 on the third sliding connecting rod 307. The sliding block 309 drives the two first springs 311 to stretch. The third sliding connecting rod 307 slides within the first sliding connecting rod 301. The third sliding connecting rod 307 drives the vacuum suction cup 302 to move. When the vacuum suction cup 302 moves in place, release the sliding block 309. The sliding block 309 drives the limiting rod 310 to move through the self-elastic force of the first spring 311, so that the limiting rod 310 contacts the limiting hole 308 again. Start the vacuum suction cup 302, and make the device adsorb and closely adhere to the door frame of the subway platform screen door through the vacuum suction cup 302.

[0032] As Figures 5 - 7 shown, the humidity unit 4 includes a first base 401 and two symmetrically distributed water tanks 417. The first base 401 is fixedly installed on the first surface of the main body base 1. The two water tanks 417 are both fixedly installed on the second surface of the main body base 1. A multi-angle adjustment component is provided on the first base 401. The multi-angle adjustment component includes an atomizer 407, an axial adjustment component and a radial adjustment component. The atomizer 407 is connected to both the axial adjustment component and the radial adjustment component. The atomizer 407 is connected to the water tank 417 through a water pipe.

[0033] The radial adjustment component includes an arc-shaped rotating ring two 416. The arc-shaped rotating ring two 416 is rotatably installed with the atomizer 407. Two sliding grooves two 414 are respectively arranged on the two surfaces of the arc-shaped rotating ring two 416. Two symmetrically distributed sliding connection blocks 415 are slidably installed on the sliding grooves two 414. The sliding connection blocks 415 on the two surfaces of the arc-shaped rotating ring two 416 are jointly connected with a first mounting part 403. The first mounting part 403 is fixedly installed on the first base 401. An incomplete external gear ring two 412 is fixedly installed on the arc-shaped rotating ring two 416. The radial adjustment component further includes a second motor 402. The second motor 402 is fixedly installed on the first base 401. A third gear 413 is fixedly installed on the output end of the second motor 402. The third gear 413 meshes with the incomplete external gear ring two 412.

[0034] The axial adjustment assembly includes an arc-shaped rotating ring 409. The arc-shaped rotating ring 409 is rotatably connected to the atomizer 407. On both sides of the arc-shaped rotating ring 409, first sliding grooves 411 are respectively arranged. Two symmetrically distributed fourth sliding connecting rods 410 are slidably installed in the first sliding grooves 411. The fourth sliding connecting rods 410 on both sides of the arc-shaped rotating ring 409 are both connected to the first mounting member 403. An incomplete external gear ring 408 is fixedly installed on the arc-shaped rotating ring 409. The axial adjustment assembly further includes a motor connecting seat 406. The motor connecting seat 406 is fixedly installed on the first base 401. A third motor 405 is fixedly installed on the motor connecting seat 406. A second gear 404 is fixedly installed on the output end of the third motor 405. The second gear 404 meshes with the incomplete external gear ring 408.

[0035] After the device is fixed by the vision unit 2, start the atomizer 407. After the water in the water tank 417 is atomized by the atomizer 407, it is sprayed onto the subway screen door. When adjusting the angle, start the third motor 405. The output end of the third motor 405 drives the incomplete external gear ring 408 to move through the second gear 404. The incomplete external gear ring 408 drives the atomizer 407 to move through the arc-shaped rotating ring 409. Start the second motor 402. The output end of the second motor 402 drives the incomplete external gear ring 412 to move through the third gear 413. The incomplete external gear ring 412 drives the atomizer 407 to move through the arc-shaped rotating ring 416.

[0036] As Figure 8 、 Figure 9 shown, the vibration unit 5 includes a variable-frequency heating wire 504 and a cam eccentric assembly. The variable-frequency heating wire 504 is fixedly installed in the central rectangular hole of the main body base 1. The cam eccentric assembly includes a second base 501. The second base 501 is arranged in the central rectangular hole of the main body base 1. Four uniformly distributed second springs 502 are arranged between the second base 501 and the main body base 1. A fourth motor 503 is fixedly installed on the second base 501. A first connecting shaft 507 is fixedly installed on the output end of the fourth motor 503. The first connecting shaft 507 is connected to the second base 501. A first pulley 508 is fixedly installed on the first connecting shaft 507. An eccentric cam 506 is fixedly installed at one end of the first connecting shaft 507, and the eccentric cam 506 is eccentrically arranged with the first connecting shaft 507.

[0037] The cam eccentric assembly further includes a fourth gear 512 and a fifth gear 513. The fourth gear 512 meshes with the fifth gear 513. A second connecting shaft 511 is fixedly installed on the fourth gear 512. The second connecting shaft 511 is rotatably connected to the second base 501. A second pulley 510 is fixedly installed on the second connecting shaft 511. The second pulley 510 is connected to the first pulley 508 by a belt 509. The fifth gear 513 is rotatably installed on the second base 501. A third connecting shaft 514 is fixedly installed on the fifth gear 513. An eccentric cam 505 is fixedly installed on the third connecting shaft 514. Moreover, the third connecting shaft 514 and the eccentric cam 505 are eccentrically arranged.

[0038] Start the fourth motor 503. The output end of the fourth motor 503 drives the first pulley 508 to rotate through the first connecting shaft 507. The first connecting shaft 507 drives the eccentric cam 506 to rotate. The first pulley 508 drives the second pulley 510 to rotate through the belt 509. The second pulley 510 drives the fourth gear 512 to rotate through the second connecting shaft 511. The fourth gear 512 drives the third connecting shaft 514 to rotate through the fifth gear 513. The third connecting shaft 514 drives the eccentric cam 505 to rotate. Since the eccentric cam 505 and the eccentric cam 506 are eccentrically arranged, the rotation of the eccentric cam 505 and the eccentric cam 506 drives the second base 501 to generate shaking, thereby transmitting the vibration feeling to the subway screen door.

[0039] Working principle: When detecting the subway platform screen door, start motor 1 303. The output end of motor 1 303 drives two racks 304 to disperse to both sides through gear 1 306. The two racks 304 drive the movement of two sliding connecting rods 2 305 respectively. The two sliding connecting rods 2 305 drive the two sliding connecting rods 1 301 to move away from the main body base 1 respectively. Then, move the sliding block 309. The sliding block 309 drives the limit rod 310 to move, so that the limit rod 310 is disengaged from the limit hole 308 on the sliding connecting rod 3 307. The sliding block 309 drives the stretching of two springs 1 311. The sliding connecting rod 3 307 slides within the sliding connecting rod 1 301. The sliding connecting rod 3 307 drives the movement of the vacuum suction cup 302. When the vacuum suction cup 302 moves in place, release the sliding block 309. The sliding block 309 drives the limit rod 310 to move through the self-elastic force of spring 1 311, so that the limit rod 310 contacts the limit hole 308 again. Start the vacuum suction cup 302, and make the device adsorb and adhere tightly to the door frame of the subway platform screen door through the vacuum suction cup 302. Conduct visual inspection on the overall subway platform screen door through the visual sensor 202. Then start the subway platform screen door, and detect whether the opening and closing speed and time of the subway platform screen door meet the specified requirements through the visual sensor 202. Start the atomizer 407, and atomize the water in the water tank 417 through the atomizer 407 and spray it onto the subway platform screen door. When adjusting the angle, start motor 3 405. The output end of motor 3 405 drives the incomplete external gear ring 1 408 to move through gear 2 404. The incomplete external gear ring 1 408 drives the movement of the atomizer 407 through the arc-shaped rotating ring 1 409. Start motor 2 402. The output end of motor 2 402 drives the incomplete external gear ring 2 412 to move through gear 3 413. The incomplete external gear ring 2 412 drives the movement of the atomizer 407 through the arc-shaped rotating ring 2 416. Simulate a humid environment through multiple atomizers 407. Start the subway platform screen door, and detect whether the subway platform screen door affects the opening and closing time and speed in the humid environment through the visual sensor 202, and further detect the stability of the subway platform screen door. Start the variable-frequency heating wire 504, and heat the periphery of the subway platform screen door through the variable-frequency heating wire 504 to simulate a high-temperature environment. Detect whether the subway platform screen door affects the opening and closing time and speed in the high-temperature environment through the visual sensor 202, and further detect the stability of the subway platform screen door. Also, simultaneously simulate a high-temperature and high-humidity environment through the atomizer 407 and the variable-frequency heating wire 504 to further detect the stability of the subway platform screen door. Start motor 4 503. The output end of motor 4 503 drives the pulley 1 508 to rotate through the connecting shaft 1 507. The connecting shaft 1 507 drives the eccentric cam 2 506 to rotate. The pulley 1 508 drives the pulley 2 510 to rotate through the belt 509. The pulley 2 510 drives the gear 4 512 to rotate through the connecting shaft 2 511. The gear 4 512 drives the connecting shaft 3 514 to rotate through the gear 5 513.The connecting shaft three 514 drives the eccentric cam one 505 to rotate. Since the eccentric cam one 505 and the eccentric cam two 506 are eccentrically arranged, the rotation of the eccentric cam one 505 and the eccentric cam two 506 drives the base two 501 to generate shaking, thereby transmitting the vibration feeling to the subway screen door. The visual sensor 202 is used to detect whether the opening and closing time and the opening and closing speed of the subway screen door are affected in the vibration environment, and further to detect the stability and reliability of the subway screen door.

[0040] Those skilled in the art can make various corresponding changes or deformations to the above technical methods and concepts, and all such changes or deformations should fall within the protection scope of the claims of the present invention.

Claims

1. A subway platform screen door strength detection device, characterized in that: It includes a main body base (1), on both sides of the main body base (1), a set of fixing units (3) are respectively arranged. Inside the main body base (1), a vibration unit (5) for simulating the vibration during the subway's running is arranged. On the top end of the main body base (1), a vision unit (2) for detecting the opening and closing speed of the subway screen door is arranged. On the first surface of the main body base (1), multiple groups of humidity units (4) evenly distributed for simulating a humid environment are arranged. At the center of the main body base (1), a central rectangular hole is provided; The fixing unit (3) includes two groups of symmetrically distributed adsorption components and two groups of clamping components for restricting the movement of the adsorption components, and the adsorption components and the clamping components correspond one by one; The humidity unit (4) includes a base one (401) and two symmetrically distributed water tanks (417). The base one (401) is fixedly installed on the first surface of the main body base (1). Both of the two water tanks (417) are fixedly installed on the second surface of the main body base (1). On the base one (401), a multi-angle adjustment component is provided; The vibration unit (5) includes a variable-frequency heating wire (504) and a cam eccentric component. The variable-frequency heating wire (504) is fixedly installed in the central rectangular hole of the main body base (1).

2. The subway platform screen door strength detection device according to claim 1, characterized in that: The adsorption component includes a sliding connecting rod one (301). At both the upper and lower ends of the sliding connecting rod one (301), sliding connecting rods three (307) are slidably installed. On the sliding connecting rod three (307), a plurality of evenly distributed limiting holes (308) are provided. At one end of the sliding connecting rod three (307), a vacuum suction cup (302) is fixedly installed. On the sliding connecting rod one (301), symmetrically distributed sliding connecting rods two (305) are fixedly installed.

3. The strength detection device for subway platform screen doors according to claim 2, characterized in that: The clamping component includes two groups of symmetrically distributed sliding blocks (309). On the sliding blocks (309), limiting rods (310) are fixedly installed. The limiting rods (310) are slidably connected with the sliding connecting rod one (301). The limiting rods (310) are connected with the limiting holes (308) on the sliding connecting rod three (307). On the sliding blocks (309), two symmetrically distributed spring one (311) are provided. The first end of the spring one (311) is fixedly installed on the sliding block (309), and the second end of the spring one (311) is fixedly installed on the sliding connecting rod one (301). At both ends of the sliding block (309), fixed limiting blocks (312) are slidably installed. The fixed limiting blocks (312) are fixedly connected with the sliding connecting rod one (301).

4. The subway platform screen door strength detection device according to claim 3, wherein: The fixing unit (3) further includes a motor one (303) and two racks (304). The two racks (304) are respectively fixedly installed on the sliding connecting rods two (305) at the upper end of the sliding connecting rod one (301). The two racks (304) are connected with the main body base (1). The motor one (303) is fixedly installed on the main body base (1). On the output end of the motor one (303), a gear one (306) is fixedly installed. The gear one (306) meshes with the two racks (304).

5. The strength detection device for a subway platform screen door according to claim 1, characterized in that: The multi-angle adjustment assembly includes an atomizer (407), an axial adjustment assembly, and a radial adjustment assembly, and the atomizer (407) is connected to both the axial adjustment assembly and the radial adjustment assembly.

6. The strength detection device for a subway platform screen door according to claim 5, characterized in that: The radial adjustment assembly includes an arc-shaped rotating ring two (416). The arc-shaped rotating ring two (416) is rotatably installed with the atomizer (407). Two symmetrically distributed sliding connection blocks (415) are slidably installed on two sides of the arc-shaped rotating ring two (416). The sliding connection blocks (415) on two sides of the arc-shaped rotating ring two (416) are jointly connected to a mounting member one (403). The mounting member one (403) is fixedly installed on a base one (401). An incomplete external gear ring two (412) is fixedly installed on the arc-shaped rotating ring two (416). The radial adjustment assembly further includes a motor two (402). The motor two (402) is fixedly installed on the base one (401). A gear three (413) is fixedly installed on the output end of the motor two (402). The gear three (413) meshes with the incomplete external gear ring two (412).

7. The strength detection device for subway platform screen doors according to claim 6, characterized in that: The axial adjustment assembly includes an arc-shaped rotating ring one (409). The arc-shaped rotating ring one (409) is rotatably connected to the atomizer (407). Two symmetrically distributed sliding connecting rods four (410) are slidably installed in sliding grooves one (411) on two sides of the arc-shaped rotating ring one (409). The sliding connecting rods four (410) on two sides of the arc-shaped rotating ring one (409) are both connected to the mounting member one (403). An incomplete external gear ring one (408) is fixedly installed on the arc-shaped rotating ring one (409). The axial adjustment assembly further includes a motor connection seat (406). The motor connection seat (406) is fixedly installed on the base one (401). A motor three (405) is fixedly installed on the motor connection seat (406). A gear two (404) is fixedly installed on the output end of the motor three (405). The gear two (404) meshes with the incomplete external gear ring one (408).

8. The strength detection device for subway platform screen doors according to claim 1, characterized in that: The cam eccentric assembly includes a base two (501). The base two (501) is arranged in the central rectangular hole of the main body base (1). Four uniformly distributed spring two (502) are arranged between the base two (501) and the main body base (1). A motor four (503) is fixedly installed on the base two (501). A connecting shaft one (507) is fixedly installed on the output end of the motor four (503). The connecting shaft one (507) is connected to the base two (501). A pulley one (508) is fixedly installed on the connecting shaft one (507). An eccentric cam two (506) is fixedly installed on one end of the connecting shaft one (507).

9. The strength detection device for a subway platform screen door according to claim 8, wherein: The cam eccentric assembly further includes a fourth gear (512) and a fifth gear (513). The fourth gear (512) meshes with the fifth gear (513). A second connecting shaft (511) is fixedly installed on the fourth gear (512). The second connecting shaft (511) is rotatably connected to a second base (501). A second pulley (510) is fixedly installed on the second connecting shaft (511). The second pulley (510) is connected to the first pulley (508) through a belt (509). The fifth gear (513) is rotatably installed on the second base (501). A third connecting shaft (514) is fixedly installed on the fifth gear (513). An eccentric cam one (505) is fixedly installed on the third connecting shaft (514).

Citation Information

Patent Citations

  • A strength testing device for subway safety platform screen doors

    CN110398428B