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CN-121974221-A - Elevator rope sheave bearing testing device

CN121974221ACN 121974221 ACN121974221 ACN 121974221ACN-121974221-A

Abstract

The invention relates to the technical field of elevator test equipment, in particular to an elevator rope pulley bearing test device which comprises a machine body, a rope pulley driving mechanism, a pressing mechanism and a pressing mechanism, wherein the rope pulley driving mechanism comprises a fixing frame which is oppositely arranged on a bearing surface of the machine body, a driving wheel and a driven wheel which are oppositely connected between the fixing frames in a rotating mode and used for erecting a rope pulley, and a motor which is connected to one side of the fixing frame and axially connected with the driving wheel at a movable end, and the pressing mechanism comprises a driving piece vertically arranged in the machine body, a connecting plate which is connected with the movable end of the driving piece in a threaded mode, and a lifting rod which is oppositely and vertically connected to the top of the connecting plate. The invention can simulate the actual running condition of the elevator rope pulley through the mutual coordination between the rope pulley driving mechanism and the pressurizing mechanism, and simultaneously realize the test of the strength of the elevator rope pulley bearing by matching with the vibration sensor and the temperature sensor and the monitoring of the torque and the like of the rope pulley driving mechanism so as to determine the full life cycle of the elevator rope pulley bearing.

Inventors

  • HUANG DENGFENG
  • Bai Pengju
  • GE SHUGUANG

Assignees

  • 宁国铭亿智能科技有限公司

Dates

Publication Date
20260505
Application Date
20260305

Claims (6)

  1. 1. An elevator sheave bearing testing device, characterized by comprising: A machine body (1); the rope pulley driving mechanism (3) comprises a fixed frame (33) which is oppositely arranged on the bearing surface of the machine body (1), a driving wheel (34) and a driven wheel (35) which are oppositely connected between the fixed frames (33) in a rotating way and used for erecting the rope pulley (5), and a motor (31) which is connected to one side of the fixed frame (33) and the movable end of which is axially connected with the driving wheel (34); The pressurizing mechanism (2) comprises a driving piece (21) vertically arranged in the machine body (1), a connecting plate (22) in threaded connection with the movable end of the driving piece (21), and a lifting rod (23) relatively and vertically connected to the top of the connecting plate (22), wherein the top of the lifting rod (23) movably penetrates through the bearing surface of the machine body (1) to be connected with a supporting block (24), the top of the supporting block (24) is detachably provided with a clamping block (25) matched with the supporting block to fix the rope pulley (5), so that the rope pulley (5) is driven to move up and down when the driving piece (21) operates, and the clamping block (25) is provided with a vibration sensor (26).
  2. 2. The elevator rope sheave bearing testing device according to claim 1, characterized in that the back of the supporting block (24) is provided with a temperature sensor (28) through a bracket (27), and the detection end of the temperature sensor (28) points to the axle center of the rope sheave (5).
  3. 3. The elevator rope sheave bearing testing device according to claim 1, characterized in that the bearing surface of the machine body (1) is also provided with guide mechanisms (6) which are respectively positioned at two sides of the pressurizing mechanism (2), the guide mechanisms (6) comprise vertical frames (61) which are vertically connected on the bearing surface of the machine body (1), the surfaces of the vertical frames (61) opposite to the supporting blocks (24) are provided with sliding rails (62) which extend along the vertical direction, and sliding blocks (63) which are connected on the sliding rails (62) in a sliding manner and are fixedly connected with the supporting blocks (24).
  4. 4. The elevator rope sheave bearing testing device according to claim 1, characterized in that a speed reducer (32) is also connected between the motor (31) and the driving wheel (34).
  5. 5. The elevator rope sheave bearing testing device according to claim 1, further comprising an oiling mechanism (4), wherein the oiling mechanism (4) comprises an oiling device (41) arranged on the back of the machine body (1), and an oiling nozzle (44) communicated with the oiling device (41) through a connecting pipe (43), and the oiling nozzle (44) is used for injecting oil into the contact surface of the driving wheel (34) and/or the driven wheel (35) and the rope sheave (5).
  6. 6. The elevator sheave bearing testing apparatus of claim 5, wherein a positioning frame (45) connected with a grease nipple (44) is further connected to the fixing frame (33), and the positioning frame (45) has ductility.

Description

Elevator rope sheave bearing testing device Technical Field The invention relates to the technical field of elevator test equipment, in particular to an elevator rope pulley bearing test device. Background The elevator rope pulley bearing is used as a core rotary supporting component of a traction sheave and a speed limiter rope pulley to directly bear all dynamic and static loads of a lift car, a load capacity and a counterweight device, and the rotation precision and reliability of the elevator rope pulley bearing determine the stability of rope pulley transmission, so that the elevator rope pulley bearing is a key of safe operation of an elevator. Therefore, the invention provides the elevator rope pulley bearing testing device for realizing automatic testing of the elevator rope pulley bearing. Disclosure of Invention In order to achieve the purpose, the invention provides the following technical scheme that the elevator rope sheave bearing testing device comprises: a body; The rope pulley driving mechanism comprises a fixed frame which is oppositely arranged on the bearing surface of the machine body, a driving wheel and a driven wheel which are oppositely connected between the fixed frames and used for erecting a rope pulley, and a motor which is connected to one side of the fixed frame and axially connected with the driving wheel at the movable end; The pressurizing mechanism comprises a driving piece vertically arranged in the machine body, a connecting plate in threaded connection with the movable end of the driving piece, and a lifting rod relatively and vertically connected to the top of the connecting plate, wherein the top of the lifting rod movably penetrates through a bearing surface of the machine body to be connected with a supporting block, a clamping block matched with the supporting block to fix a rope pulley is detachably arranged at the top of the supporting block, so that the rope pulley is driven to move up and down when the driving piece operates, and a vibration sensor is arranged on the clamping block. Preferably, a temperature sensor is arranged on the back surface of the supporting block through a bracket, and the detection end of the temperature sensor points to the axle center of the rope pulley. Preferably, the bearing surface of the machine body is also provided with guide mechanisms which are respectively positioned at two sides of the pressurizing mechanism, the guide mechanisms comprise vertical frames which are vertically connected on the bearing surface of the machine body, and the surfaces of the vertical frames, which are opposite to the supporting blocks, are provided with sliding rails which extend along the vertical direction, and sliding blocks which are connected on the sliding rails in a sliding manner and are fixedly connected with the supporting blocks. Preferably, a speed reducer is also connected between the motor and the driving wheel. Preferably, the device further comprises an oiling mechanism, wherein the oiling mechanism comprises an oiling device arranged on the back of the machine body and an oiling nozzle communicated with the oiling device through a connecting pipe, and the oiling nozzle is used for injecting oil into the contact surface of the driving wheel and/or the driven wheel and the rope wheel. Preferably, the fixing frame is also connected with a locating frame connected with the oil filling nozzle, and the locating frame has ductility. The beneficial effects of the invention are as follows: 1. According to the invention, through the mutual coordination between the rope pulley driving mechanism and the pressurizing mechanism, the actual running condition of the elevator rope pulley can be simulated, and meanwhile, the strength of the elevator rope pulley bearing is tested to determine the full life cycle of the elevator rope pulley bearing by matching with the vibration sensor and the temperature sensor and monitoring the torque and the like of the rope pulley driving mechanism; 2. the invention can reduce the abrasion between the elevator rope pulley and the rope pulley driving mechanism by arranging the oiling mechanism so as to play a good role in protecting the main body part of the elevator rope pulley. Drawings The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. FIG. 1 is a schematic perspective view of the present invention; FIG. 2 is a schematic perspective view of another view of the present invention; FIG. 3 is a schematic view of the structure of the machine body of the present invention; FIG. 4 is a schematic view of the structure of the pressurizing mechanism according to the present invention; FIG. 5 is an enlarged schematic view of the structure of the present invention at A; fig. 6 is a schematic diagram of a she