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CN-122016520-A - Elevator landing door strength detection device

CN122016520ACN 122016520 ACN122016520 ACN 122016520ACN-122016520-A

Abstract

The invention belongs to the technical field of elevator landing door detection, and discloses an elevator landing door strength detection device which comprises a support frame, wherein a movable frame is arranged in the support frame, a side plate is fixedly connected to the side surface of the movable frame, and a first electric push rod is fixedly connected to the top surface of the support frame. According to the invention, the movable supporting frame is matched to complete the rapid grabbing and positioning of the landing door to be tested which is placed at will, so that the problem of difficult grabbing, positioning and detection of the landing door with large volume is solved, meanwhile, the movable supporting table is utilized to move and support, the action of the fixed compression bar is synchronously realized, when the impact detection of the sample landing door is realized, the vertical clamping and fixing force is increased on the basis of the transverse clamping and the bottom supporting, the situation of jumping vibration of the landing door during the impact detection is avoided, the stability of continuous impact detection is maintained, the detection quality is improved, the rapid grabbing, positioning and reinforcing fixation are realized in the actual landing door detection process, the batch detection efficiency is high, and the use is convenient.

Inventors

  • FU XIBIN
  • HUANG GUOQIN
  • WANG XINGJIE

Assignees

  • 厦门市特种设备检验检测院

Dates

Publication Date
20260512
Application Date
20260410

Claims (9)

  1. 1. The elevator landing door strength detection device comprises a support frame (1) and is characterized in that a movable frame (2) is arranged in the support frame (1), a side plate (3) is fixedly connected to the side face of the movable frame (2), a first electric push rod (4) is fixedly connected to the top face of the support frame (1), the movable end of the first electric push rod (4) is fixedly connected with the side plate (3), an impact detection mechanism (5) is fixedly arranged in the movable frame (2), a clamping assembly (6) is arranged at the bottom end of the movable frame (2), a sleeve joint (7) is arranged on the side face of the support frame (1), a movable support portion (8) is fixedly arranged on the side face of the support frame (1), a distribution assembly (12) is fixedly arranged on the front face of the support frame (1), a linkage assembly (15) is arranged on the inner side face of the support frame (1), a communication curved tube (13) is fixedly communicated with the top of the support frame (1), the lower end of the communication curved tube (13) is movably sleeved on the distribution assembly (12), and the vibration prevention portion (9) is fixedly connected with the vibration prevention portion (9).
  2. 2. The elevator landing door strength detection device according to claim 1, wherein the clamping assembly (6) comprises a threaded rod (61), a limiting plate (62) and a clamping plate (63), the threaded rod (61) is rotatably arranged at the bottom end of the movable frame (2), the limiting plate (62) is fixedly connected at the bottom end of the movable frame (2) and is positioned above the threaded rod (61), the clamping plate (63) is in threaded sleeve connection with the outer surface of the threaded rod (61), threads on the outer surface of the threaded rod (61) are bilaterally symmetrical, the clamping plate (63) is bilaterally symmetrical on the threaded rod (61) respectively, and the clamping assembly (6) further comprises a motor, and an output shaft of the motor is fixedly connected with the threaded rod (61).
  3. 3. The elevator landing door strength detection device according to claim 1, wherein the movable supporting portion (8) comprises a side frame (81), a movable supporting table (82), a second electric push rod (83) and a capacitive touch sensor (84), the side frame (81) is fixedly connected to the supporting frame (1) and is communicated with the socket joint (7), the movable supporting table (82) is movably sleeved in the side frame (81), the fixed end of the second electric push rod (83) is fixedly arranged in the side frame (81), the movable end of the second electric push rod (83) is fixedly connected with the movable supporting table (82), the socket joint (7) is located on the movable path of the movable supporting table (82), the capacitive touch sensor (84) is fixedly arranged on the top surface of the movable supporting table (82), and the top surface of the capacitive touch sensor (84) is horizontally consistent with the top surface of the movable supporting table (82).
  4. 4. The elevator landing door strength detection device according to claim 1, wherein the shockproof fixing portion (9) comprises a mounting frame (91), a fixing pressing rod (92) and a first spring (93), the mounting frame (91) is fixedly connected to the inner side face of the movable frame (2), the fixing pressing rod (92) is movably sleeved in the mounting frame (91), the first spring (93) is located in the mounting frame (91), and the lower end of the first spring (93) is fixedly connected with the fixing pressing rod (92).
  5. 5. The elevator landing door strength detection device according to claim 4, wherein a communication cavity (10) is formed in the movable frame (2), a communication port (11) is formed in the top of the inner side surface of the movable frame (2), the upper end and the lower end of the communication port (11) are respectively communicated with the communication cavity (10) and the mounting frame (91), the upper end of the first spring (93) penetrates through the communication port (11) and is fixed in the communication cavity (10), and the communication cavity (10) is communicated with the communication curved pipe (13).
  6. 6. The elevator landing door strength detection device according to claim 1, wherein the distribution assembly (12) comprises a communication frame (121), a sleeve (122) and an adapter sleeve (123), the communication frame (121) is fixedly connected to the front surface of the supporting frame (1), and the sleeve (122) and the adapter sleeve (123) are respectively fixedly communicated to the top and the bottom of the communication frame (121) and keep the axes consistent.
  7. 7. The elevator landing door strength detection device according to claim 6, wherein the through hole (14) is formed in the outer surface of the communication curved pipe (13), the through hole (14) is located at a position, close to the lower end, of the communication curved pipe (13), the lower end face of the communication curved pipe (13) is sealed, the lower end of the communication curved pipe (13) penetrates through the sleeve (122), the communication frame (121) and is movably sleeved in the adapting pipe sleeve (123), and an inner sleeve block is fixedly sleeved in the communication frame (121).
  8. 8. The elevator landing door strength detection device according to claim 7, wherein the linkage assembly (15) comprises a mounting cavity (151), a push plate (152), a contact plate (153), a second spring (154) and a limiting frame (155), the mounting cavity (151) is arranged on the front surface of the support frame (1) and is communicated with the communication frame (121), the push plate (152) is movably sleeved in the mounting cavity (151), the contact plate (153) is fixedly connected to the outer side surface of the push plate (152), the limiting frame (155) is fixedly sleeved in the mounting cavity (151) and is movably sleeved with the contact plate (153), the second spring (154) is arranged in the mounting cavity (151) and is fixedly connected with the push plate (152), and the other end of the second spring (154) is fixedly connected with the inner sleeve block.
  9. 9. The elevator landing door strength detection device according to claim 1, wherein supporting legs are arranged at two ends of the supporting frame (1), and casters are arranged at the bottoms of the supporting legs.

Description

Elevator landing door strength detection device Technical Field The invention belongs to the technical field of elevator landing door detection, and particularly relates to an elevator landing door strength detection device. Background Elevator landing doors refer to the doors between the elevator car and the floor, and are commonly used to separate the elevator car from the floor space to ensure safety and to prevent accidents. Elevator landing doors are typically made of metal or other sturdy materials, have a certain barrier capacity and protection, and typically require a sample to be selected from the produced landing doors for strength detection to determine the quality of the landing doors after production and preparation. In the prior art, the elevator landing door strength detection device is used for detecting landing doors with larger volume and mass, a plurality of groups of sample landing doors to be detected are usually required to be carried to the vicinity of the detection device and lifted upwards for positioning and unloading after detection are carried out one by one, however, for the elevator landing doors with large volume and large weight at present, the continuous carrying and positioning difficulty is larger, when the strength of the plurality of groups of sample landing doors is detected, the lifting, positioning, adjusting and unloading are difficult to be completed in a plurality of angles, the whole strength detection is carried out, especially for the impact strength detection, landing door bouncing offset during impact exists, the whole detection step process is time-consuming and labor-consuming relative each operation, in addition, the on-site landing door is difficult to sample detection in time, the reciprocating carrying of a large number of sample landing doors is troublesome, the on-site detection difficulty is high, the efficiency is low, and the use effect is poor. In addition, when the quality defects of the layer door, such as bending deformation and dent and the like, occur, the structural strength of the sample is affected, the layer door on the production line cannot be subjected to strength detection, defect interference exists in the data obtained by impact detection, the strength standard of the whole normal-quality lower layer door cannot be represented, and the actual detection accuracy is affected. Disclosure of Invention The invention aims to provide an elevator landing door strength detection device for solving the problems in the background technology. In order to achieve the aim, the elevator landing door strength detection device comprises a support frame, wherein a movable frame is arranged in the support frame, a side plate is fixedly connected to the side face of the movable frame, a first electric push rod is fixedly connected to the top face of the support frame, the movable end of the first electric push rod is fixedly connected with the side plate, an impact detection mechanism is fixedly arranged in the movable frame, a clamping assembly is arranged at the bottom end of the movable frame, a sleeve joint is arranged on the side face of the support frame, a movable supporting portion is fixedly arranged on the side face of the support frame, a distribution assembly is fixedly arranged on the front face of the support frame, a linkage assembly is arranged on the inner side face of the support frame, the linkage assembly is communicated with the distribution assembly, a communication curved pipe is fixedly communicated with the top of the support frame, the lower end of the communication curved pipe is movably sleeved in the distribution assembly, a vibration-proof fixing portion is arranged on the inner side face of the movable frame, and the vibration-proof fixing portion is communicated with the communication curved pipe. Preferably, the clamping assembly comprises a threaded rod, a limiting plate and a clamping plate, the threaded rod is rotatably arranged at the bottom end of the movable frame, the limiting plate is fixedly connected to the bottom end of the movable frame and located above the threaded rod, the clamping plate is in threaded sleeve joint on the outer surface of the threaded rod, threads on the outer surface of the threaded rod are bilaterally symmetrical, the clamping plates are bilaterally symmetrical on the threaded rod respectively, the clamping assembly further comprises a motor, and an output shaft of the motor is fixedly connected with the threaded rod. Preferably, the movable supporting part comprises a side frame, a movable supporting table, a second electric push rod and a capacitive touch sensor, wherein the side frame is fixedly connected to the supporting frame and is communicated with the socket, the movable supporting table is movably sleeved in the side frame, the fixed end of the second electric push rod is fixedly arranged in the side frame, the movable end of the second electric push rod is fixedly connected wi