Elevator door strength inspection device

By designing a self-propelled elevator door strength testing device, which utilizes electric movement and telescopic fixing to automatically adjust the testing points, the problem of time-consuming and labor-intensive manual adjustment in existing technologies is solved, achieving efficient and accurate elevator door strength testing.

CN223711247UActive Publication Date: 2025-12-23DALIAN RUIGUAN INNOVATION TECH CO LTD
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Patent Information

Application Number
CN202423197003.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-23
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing elevator door strength testing devices require continuous manual operation and adjustment of testing points, which is time-consuming, labor-intensive, and has low accuracy in the spacing between testing points, resulting in low testing efficiency.

Method used

Design an elevator door strength testing device comprising a frame assembly, a power assembly, and a testing assembly. Utilize electric movement and telescopic fixing to automatically adjust the testing points and achieve self-propelled testing of the elevator door through a traveling mechanism and a fixing mechanism.

Benefits of technology

It reduces the intensity of manual labor, improves the accuracy and comprehensiveness of testing, and increases testing efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223711247U_ABST
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Abstract

The utility model belongs to the field of elevator door inspection, and discloses an elevator door strength inspection device which comprises a rack assembly used for supporting and moving, and further comprises power assemblies installed at the two ends of the rack assembly and used for electric moving and telescopic fixing, and a testing assembly used for adjusting the position and inspecting the strength of an elevator door in a pressing mode is arranged in the middle of the rack assembly. The power assembly comprises a walking mechanism and a fixing mechanism, the walking mechanism is used for driving the whole to move, and the fixing mechanism is used for fixing during stopping; the test assembly comprises a translation mechanism for reciprocating motion, a first electric push rod is installed in the middle of the translation mechanism, and a test pressure head is installed at the telescopic end of the first electric push rod. According to the strength inspection device for the elevator door, through the arrangement of electric movement and telescopic fixation, the labor intensity of workers is reduced, and time and labor are saved; detection point positions are automatically adjusted in a self-propelled manner, so that the detection accuracy is improved; and through the arrangement of reciprocating movement adjustment, the comprehensiveness of the strength inspection of the elevator door is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to elevator door inspection field, especially, it relates to a kind of elevator door strength inspection device. BACKGROUND

[0002] As the part directly facing passengers in the elevator system, the safety performance of elevator door is crucial. Through elevator door strength inspection, it can be ensured that in the event of an emergency (such as accidental impact), the elevator door can maintain sufficient structural integrity to prevent breakage or shedding due to impact, thereby effectively avoiding harm to passengers and protecting the safety of passengers. In addition, for elevator manufacturers, through detection, the actual performance of the product can be understood, potential problems can be found, and improvement and optimization can be carried out, thereby improving the overall quality and reliability of the product. This helps elevator manufacturers to achieve better reputation and market share in market competition. Finally, elevator door strength inspection can also effectively prevent accidents. As the entrance and exit of the elevator, the elevator door is often affected by various external factors, such as human impact, object collision, etc. By regularly inspecting the strength of the elevator door, its durability and stability in actual use can be evaluated, potential safety hazards can be found and handled in time, and elevator accidents caused by door damage can be avoided.

[0003] The Chinese patent with publication number CN215854493U discloses an elevator door strength inspection detection device, which includes a detection assembly, an adjusting structure, two sliding frames and an elevator landing door. The surface of the detection assembly is provided with the adjusting structure, which includes a sliding plate. The surface of the sliding plate is slidably connected with the detection assembly. Both ends of the sliding plate are fixedly connected with sliding blocks. The surface of the sliding block is slidably inserted with a sliding rod. Both ends of the sliding rod are fixedly connected with connecting plates. The side of the connecting plate away from the detection assembly is threadedly connected with two screw rods. The traditional inspection detection device cannot be adjusted according to the position to be detected when inspecting and detecting the strength of the elevator door, which requires the inspector to constantly disassemble and install the detection device during the inspection and detection process, increasing the workload of the inspector and reducing the detection efficiency of the inspector on the strength of the elevator door.

[0004] However, the above-mentioned patent requires manual operation, manual adjustment of detection points, and is time-consuming and laborious, and the precision of the detection point spacing is low. Therefore, a new device needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an elevator door strength inspection device to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0007] The utility model provides an elevator door strength inspection device, including the rack component for supporting movement, still including the power component for electrically moving and telescopic fixing installed in both ends of rack component, the test component for adjusting position and pressing the test elevator door strength is arranged in the middle of rack component, the power component includes walking mechanism and fixed mechanism, walking mechanism is used for driving integral movement, and fixed mechanism is used for stopping and fixing, the test component includes the translation mechanism for reciprocating movement, first electric push rod is installed in the middle of translation mechanism, and test pressure head is installed in telescopic end of first electric push rod.

[0008] Further, the rack component includes a moving frame, a limiting sliding groove is arranged in the middle of the moving frame, and two avoiding grooves are symmetrically arranged at both ends of the moving frame.

[0009] Further, four supporting plates are uniformly arranged at four corners of the bottom of the moving frame, and a plurality of supporting seats are symmetrically distributed on the moving frame.

[0010] Further, the walking mechanism includes two second motors symmetrically arranged, walking wheels are installed at the output ends of the second motors, the fixed mechanism includes four second electric push rods uniformly distributed, and fixed pads are installed at the telescopic ends of the second electric push rods.

[0011] Further, the fixed pad is a disc-shaped 45 steel outer package natural rubber material.

[0012] Further, the translation mechanism includes a lead screw, a first motor is arranged at one end of the lead screw, a screw sleeve is installed in the middle of the lead screw, and a sliding frame is installed on one side of the screw sleeve.

[0013] Further, the sliding frame is an I-shaped structure.

[0014] Compared with the prior art, the beneficial effects are:

[0015] 1. Through the setting of electrically moving and telescopic fixing, the labor intensity is reduced, and time and labor are saved.

[0016] 2. Through the setting of self-propelled automatic adjustment of detection point position, the detection accuracy is improved.

[0017] 3. Through the setting of reciprocating movement adjustment, the comprehensiveness of elevator door strength inspection is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the elevator door strength inspection device of the utility model;

[0019] Figure 2 is a right view of the elevator door strength inspection device of the utility model;

[0020] Figure 3 is the rack assembly overhead isometric view of the elevator door strength testing device of the utility model;

[0021] Figure 4 is the rack assembly bottom isometric view of the elevator door strength testing device of the utility model;

[0022] Figure 5 is the power assembly schematic view of the elevator door strength testing device of the utility model;

[0023] Figure 6 is the test assembly schematic view of the elevator door strength testing device of the utility model.

[0024] In the figure, 101, moving frame; 102, limit sliding groove; 103, avoiding groove; 104, support plate; 105, support seat; 201, second electric push rod; 202, fixed pad; 203, second motor; 204, walking wheel; 301, sliding frame; 302, first electric push rod; 303, test pressure head; 304, screw sleeve; 305, screw rod; 306, first motor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figures 1-6 , an elevator door strength testing device, comprising a rack assembly for supporting movement, further comprising a power assembly installed at both ends of the rack assembly for electric movement and telescopic fixation, the rack assembly is provided with a test assembly for adjusting position and pressing to test the strength of the elevator door in the middle.

[0027] In the embodiment: the rack assembly comprises a moving frame 101, the moving frame 101 is provided with a limit sliding groove 102 in the middle, and two avoiding grooves 103 are symmetrically arranged at both ends of the moving frame 101; four support plates 104 are uniformly arranged at the bottom of the moving frame 101, and a plurality of support seats 105 are symmetrically distributed on the moving frame 101; the moving frame 101 fixes the support plates 104 and the support seats 105, the support plates 104 are used for fixing the second electric push rod 201, the support seats 105 are used for fixing the first motor 306 and the second motor 203, the limit sliding groove 102 is used for limiting the moving direction of the sliding frame 301, and the avoiding groove 103 is used for avoiding the walking wheel 204, so as to ensure that the walking wheel 204 contacts with the elevator door frame;

[0028] In the embodiment: the power assembly includes a walking mechanism and a fixing mechanism, the walking mechanism is used to drive the whole to move, and the fixing mechanism is used to fix when stopping; the walking mechanism includes two second motors 203 which are symmetrically arranged, and walking wheels 204 are installed at the output ends of the second motors 203; the fixing mechanism includes four second electric push rods 201 which are uniformly distributed, and fixing pads 202 are installed at the telescopic ends of the second electric push rods 201, the fixing pads 202 are disc-shaped, and are made of 45 steel and wrapped with natural rubber material; the support seat 105 supports the second motor 203 to drive the walking wheel 204 to rotate, passes through the avoiding groove 103 to drive the moving frame 101 to move along the elevator door frame, reaches the specified position, and then the support plate 104 supports the second electric push rod 201 to extend and push the fixing pad 202 to press the elevator door frame to fix;

[0029] In the embodiment: the test assembly includes a translation mechanism for reciprocating movement, a first electric push rod 302 is installed in the middle of the translation mechanism, and a test pressure head 303 is installed at the telescopic end of the first electric push rod 302; the translation mechanism includes a lead screw 305, one end of the lead screw 305 is provided with a first motor 306, a screw sleeve 304 is installed in the middle of the lead screw 305, a sliding frame 301 is installed on one side of the screw sleeve 304, the sliding frame 301 is in an I-shaped structure and is assembled; the sliding frame 301 supports the first electric push rod 302 to extend and push the test pressure head 303 to press the elevator door to perform strength inspection, then the support seat 105 supports the first motor 306 to drive the lead screw 305 to rotate, drives the screw sleeve 304 to drive the sliding frame 301 to move along the limiting sliding groove 102, adjusts the position of the test pressure head 303, and performs retesting.

[0030] Working principle: the moving frame 101 is placed on the elevator door frame, the support seat 105 supports the second motor 203 to drive the walking wheel 204 to rotate, passes through the avoiding groove 103 to drive the moving frame 101 to move along the elevator door frame, reaches the specified position, and then the support plate 104 supports the second electric push rod 201 to extend and push the fixing pad 202 to press the elevator door frame to fix, and then the sliding frame 301 supports the first electric push rod 302 to extend and push the test pressure head 303 to press the elevator door to perform strength inspection, then the support seat 105 supports the first motor 306 to drive the lead screw 305 to rotate, drives the screw sleeve 304 to drive the sliding frame 301 to move along the limiting sliding groove 102, adjusts the position of the test pressure head 303, and performs retesting, and finally the power assembly acts again according to the above steps, drives the test assembly to move along the elevator door frame to other positions to perform strength inspection through the rack assembly.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An elevator door strength testing device, comprising a frame assembly for supporting movement, characterized in that: It also includes power components installed at both ends of the frame assembly for electric movement and telescopic fixation, and a test component for adjusting the position and pressing to test the strength of the elevator door is provided in the middle of the frame assembly; The power assembly includes a walking mechanism and a fixing mechanism. The walking mechanism is used to drive the whole unit to move, and the fixing mechanism is used to fix it when it stops. The test assembly includes a translation mechanism for reciprocating movement, wherein a first electric push rod (302) is installed in the middle of the translation mechanism, and a test pressure head (303) is installed at the telescopic end of the first electric push rod (302).

2. The elevator door strength testing device according to claim 1, characterized in that: The frame assembly includes a movable frame (101), a limiting groove (102) is provided in the middle of the movable frame (101), and two clearance grooves (103) are symmetrically provided at both ends of the movable frame (101).

3. The elevator door strength testing device according to claim 2, characterized in that: The movable frame (101) has four support plates (104) evenly arranged at the four corners of its bottom, and several support seats (105) are symmetrically distributed on the movable frame (101).

4. The elevator door strength testing device according to claim 1, characterized in that: The walking mechanism includes two symmetrically arranged second motors (203), and the output end of the second motors (203) is equipped with walking wheels (204); the fixing mechanism includes four evenly distributed second electric push rods (201), and the telescopic end of the second electric push rods (201) is equipped with fixing pads (202).

5. The elevator door strength testing device according to claim 4, characterized in that: The fixing pad (202) is disc-shaped and made of 45 steel wrapped with natural rubber material.

6. The elevator door strength testing device according to claim 1, characterized in that: The translation mechanism includes a lead screw (305), a first motor (306) is provided at one end of the lead screw (305), a screw sleeve (304) is installed in the middle of the lead screw (305), and a slide (301) is installed on one side of the screw sleeve (304).

7. The elevator door strength testing device according to claim 6, characterized in that: The carriage (301) is I-shaped and has an assembly structure.

Citation Information

Patent Citations

  • Elevator door strength inspection and detection device

    CN215854493U