Elevator speed governor aging test device

Abstract

The utility model relates to the technical field of test equipment, and provides an aging test device for an elevator speed governor, which comprises a test box body and two mounting plates symmetrically and fixedly connected inside the test box body. According to the utility model, the motor is controlled to start through the controller, under the cooperation of the belt pulley assembly, the steel wire rope is wound through the winding roller, the steel wire rope is released through the releasing roller, the steel wire rope is locked by the elevator speed governor, and the maximum rotating speed and the rotating number of turns of the winding roller are respectively monitored through the rotating speed sensor and the rotating sensor; and the moving distance of the steel wire rope can be calculated through the distance between the rotating sensor and the center shaft of the winding roller and calculation, so that the performance of the elevator speed limiter can be judged, the aging degree of the elevator speed limiter is judged, the elevator speed limiter which does not meet the standard stops being used, the use safety of the elevator speed limiter is improved, and the service life of the elevator speed limiter is prolonged. And therefore, elevator safety accidents are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, in particular to an elevator speed governor aging testing device. Background Art

[0002] The elevator speed limiter is a safety device that monitors and controls the speed of the elevator car at all times. If the elevator car exceeds the speed limit for any reason, or even creates a risk of falling, and all other safety devices fail, the speed limiter will interact with the safety clamp to stop the elevator car.

[0003] In the prior art, during the long-term use of an elevator speed limiter, various components may wear out and age due to long-term use, which may cause the braking effect of the elevator speed limiter to deteriorate and may cause safety accidents. Therefore, it is necessary to use a testing device to test the aging degree of the elevator speed limiter to avoid the occurrence of elevator safety accidents caused by the aging of the elevator speed limiter. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that during the long-term use of the elevator speed limiter, various components may wear out and age due to long-term use, which makes the braking effect of the elevator speed limiter deteriorate and may cause safety accidents. Therefore, it is necessary to use a testing device to test the aging degree of the elevator speed limiter to avoid the occurrence of elevator safety accidents caused by the aging of the elevator speed limiter.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions: an elevator speed limiter aging test device, comprising: a test box, and further comprising:

[0006] Two mounting plates are symmetrically fixedly connected to the interior of the test box, one side of the two mounting plates is fixedly connected to a mounting frame, the top and bottom of the mounting frame are movably provided with a wire assembly, the opposite sides of the two mounting plates are fixedly connected to a motor, the opposite sides of the two mounting plates near the top are rotatably connected to a release roller, the opposite sides of the two mounting plates near the bottom are rotatably connected to a winding roller, the top of the inner wall of the test box is rotatably connected to a guide wheel 1 through a bracket, the top of the inner wall of the test box is provided with a steering assembly, the bottom of the inner wall of the test box is rotatably connected to a guide wheel 2 through a bracket, the top of the test box is fixedly connected to a guide box, and the inner wall of the guide box is symmetrically rotatably connected to two guide wheels.

[0007] Preferably, the steering assembly includes a cross frame, which is fixedly connected to the test box. One side of the cross frame near the top is symmetrically connected to two steering wheels 2, and one side of the cross frame near the bottom is rotatably connected to a steering wheel 1.

[0008] Preferably, the wire assembly comprises a plurality of adjustable guide rollers, the top and bottom of the mounting frame are rotationally connected with reciprocating lead screws, the wire assembly is threadedly connected with the reciprocating lead screws, one of the reciprocating lead screws is connected with the release roller through a belt pulley assembly, and the other reciprocating lead screw is connected with the winding roller through a belt pulley assembly.

[0009] Preferably, the motor, the release roller and the winding roller are connected through a belt pulley assembly, one end of the shaft of the release roller is fixedly connected with a rotational speed sensor, and the eccentric portion of one side of the winding roller is fixedly connected with a rotation sensor.

[0010] Preferably, the top of the test box body is fixedly connected with a control box, and the top of the control box is hingedly connected with a box cover.

[0011] Preferably, the top of the control box is provided with a warning light, and one side of the control box is provided with a cooling fan.

[0012] Preferably, the test box body is hingedly connected with box doors around the periphery, and universal self-locking wheels are fixedly connected to the four corners of the bottom of the test box body.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1、 the utility model discloses a controller controls the motor to start, and under the cooperation of a belt pulley assembly, the winding roller is used for winding the steel wire rope, the release roller is used for releasing the steel wire rope, and under the cooperation of guide wheel one, guide wheel, steering wheel two, steering wheel one and guide wheel two, when the speed exceeds a certain value, the elevator speed limiter will lock the steel wire rope, the maximum rotating speed and the number of turns of the winding roller are monitored through the rotational speed sensor and the rotation sensor respectively, and the distance between the rotation sensor and the center shaft of the winding roller is monitored, and the moving distance of the steel wire rope can be calculated through calculation, so that the performance of the elevator speed limiter can be judged, the aging degree of the elevator speed limiter can be judged, the elevator speed limiter that does not meet the standard is stopped from being used, the safety of the elevator speed limiter is improved, and elevator safety accidents can be avoided.

[0015] 2. The utility model discloses, when the steel wire rope is in the process of winding, through the cooperation of the pulley assembly, can drive reciprocating silk rod rotation, then under the cooperation of reciprocating silk rod and wire assembly screw thread connection, can make wire assembly along reciprocating silk rod and move to and fro, synchronous drive steel wire rope and move to and fro, make the uniform release of steel wire rope from the upper surface of the release roller, make winding roller to the uniform winding of steel wire rope to the cooperation of the guide roller, can make the release and winding process of steel wire rope relatively gentle, like this can avoid the back and forth friction of steel wire rope when releasing, winding in the same position. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a side view structural schematic diagram of the elevator speed limiter aging test device provided by the utility model;

[0017] Figure 2 It is a bottom view structural schematic diagram of the elevator speed limiter aging test device provided by the utility model;

[0018] Figure 3 It is an internal structure schematic diagram of the elevator speed limiter aging test device provided by the utility model;

[0019] Figure 4 It is a cross section structural schematic diagram of the elevator speed limiter aging test device provided by the utility model.

[0020] Legend:

[0021] 1, test box body;101, box door;2, guide box body;201, guide wheel;3, control box;301, box cover;302, warning light;303, cooling fan;4, mounting plate;401, mounting frame;402, wire assembly;403, motor;404, release roller;405, winding roller;406, guide wheel one;407, cross-shaped frame;408, deflection wheel one;409, deflection wheel two;410, guide wheel two. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below in conjunction with the drawings and examples.It needs to be explained that the embodiment of the present application and the features in the example can be combined mutually in the case where there is no conflict.

[0023] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0024] Example, such as Figures 1-4The utility model provides a kind of elevator speed governor aging test device, comprising: test box 1, further comprising: two mounting plates 4, symmetrically fixedly connected in the inside of test box 1, one side of two mounting plates 4 is fixedly connected with mounting bracket 401, the top and bottom of mounting bracket 401 are movably provided with wire assembly 402, the opposite side of two mounting plates 4 is fixedly connected with motor 403, the opposite side of two mounting plates 4 close to top is rotatably connected with release roller 404, the opposite side of two mounting plates 4 close to bottom is rotatably connected with winding roller 405, the top of the inner wall of test box 1 is rotatably connected with guide wheel one 406 by support, the top of the inner wall of test box 1 is provided with steering assembly, the bottom of the inner wall of test box 1 is rotatably connected with guide wheel two 410 by support, the top of test box 1 is fixedly connected with guide box 2, the inner wall of guide box 2 is rotatably connected with two guide wheels 201 symmetrically.

[0025] Further, as shown in Figures 1-4 The steering assembly includes cross-shaped frame 407, cross-shaped frame 407 is fixedly connected with test box 1, the side close to top of cross-shaped frame 407 is rotatably connected with two steering wheels two 409 symmetrically, the side close to bottom of cross-shaped frame 407 is rotatably connected with steering wheel one 408, by being arranged as oblique line, can make steel wire rope stagger when going up and down.

[0026] Further, as shown in Figures 1-4 The wire assembly 402 includes a plurality of adjustable guide rollers, the top and bottom of mounting bracket 401 are rotatably connected with reciprocating screw rods, wire assembly 402 is threadedly connected with reciprocating screw rod, one of reciprocating screw rods is connected with release roller 404 through belt pulley assembly, the other reciprocating screw rod is connected with winding roller 405 through belt pulley assembly, by the setting of guide roller, it is convenient to limit steel wire rope, when steel wire rope is in the process of winding, can drive reciprocating screw rod to rotate under the cooperation of belt pulley assembly, then wire assembly 402 can move left and right along reciprocating screw rod under the cooperation of the thread connection of reciprocating screw rod and wire assembly 402, synchronous steel wire rope moves left and right.

[0027] Further, as shown in Figures 1-4 Motor 403, release roller 404 and winding roller 405 are connected through belt pulley assembly, one end of the shaft of release roller 404 is fixedly connected with speed sensor, eccentricity of one side of winding roller 405 is fixedly connected with rotation sensor, can make release roller 404 and winding roller 405 rotate under the cooperation of belt pulley assembly, the moving amount of steel wire rope is measured by speed sensor and rotation sensor to monitor rotation speed.

[0028] Further, as shown in Figures 1-4As shown, the top of the test box 1 is fixedly connected with a control box 3, and the top of the control box 3 is movably connected with a box cover 301 through a hinge, and the box cover 301 can be opened through the above setting.

[0029] Further, as shown in the drawings, Figures 1-4 The top of the control box 3 is provided with a warning light 302, and one side of the control box 3 is provided with a cooling fan 303, which plays a certain cooling effect.

[0030] Further, as shown in the drawings, Figures 1-4 The four sides of the test box 1 are movably connected with box doors 101 through hinges, and the four corners of the bottom of the test box 1 are fixedly connected with universal self-locking wheels, which facilitates the movement of the device.

[0031] Working principle: in use, by installing the elevator governor on the top of the mounting bracket 401, and then winding the steel wire rope on the release roller 404 through the multiple guide rollers of the upper wire assembly 402, and through the elevator governor, and then from the lower side of the guide wheel one 406 to the upper side, a plurality of through holes are arranged between the test box 1 and the guide box 2, the steel wire rope is passed through the through hole, and from the upper side of one of the guide wheels 201 to the lower side, and then through the lower through hole, in turn from the lower side of one of the steering wheels two 409, the steering wheel one 408 and the other steering wheel two 409, and then upward again, from the upper side of the other guide wheel 201 to the lower side, and then through the lower through hole, and from the lower side of the guide wheel two 410, and then through the multiple guide rollers of the lower wire assembly 402, and finally fixed on the upper side of the winding roller 405, when the elevator governor needs to be aged, the motor 403 is started by the controller, and under the cooperation of the belt pulley assembly, the release roller 404 and the winding roller 405 can rotate counterclockwise, the steel wire rope is wound by the winding roller 405, the steel wire rope is released by the release roller 404, the steel wire rope is wound and released by the cooperation of the guide wheel one 406, the guide wheel 201, the steering wheel two 409, the steering wheel one 408 and the guide wheel two 410, the speed of the steel wire rope is monitored by the rotating speed sensor, the speed of the steel wire rope is increased by continuously increasing the rotating speed of the motor 403, when the speed exceeds a certain value, the elevator governor will lock the steel wire rope, the maximum rotating speed and the number of revolutions of the winding roller 405 are monitored by the rotating speed sensor and the rotating sensor respectively, and the distance from the center axis of the winding roller 405 is monitored by the rotating sensor, and the moving distance of the steel wire rope is calculated, so that the performance of the elevator governor can be judged, so that the aging degree of the elevator governor can be judged, so that the elevator governor that does not meet the standard can be stopped using, so that the safety of the elevator governor can be improved, and the occurrence of elevator safety accidents can be avoided. When the steel wire rope is wound, the reciprocating screw rod is rotated under the cooperation of the belt pulley assembly, and then the wire assembly 402 is moved left and right along the reciprocating screw rod under the cooperation of the screw connection between the reciprocating screw rod and the wire assembly 402, so that the steel wire rope is moved left and right, so that the steel wire rope is uniformly released from the upper side of the release roller 404, so that the winding roller 405 uniformly winds the steel wire rope, and under the cooperation of the guide roller, the release and winding process of the steel wire rope is relatively smooth, so that the back and forth friction of the steel wire rope during release can be avoided, and the winding in the same position can be avoided.

[0032] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. An elevator speed governor aging test device, comprising: The test box (1) is characterized in that it further comprises: Two mounting plates (4) are symmetrically fixedly connected to the inside of the test box (1); one side of the two mounting plates (4) is fixedly connected to a mounting frame (401); the top and bottom of the mounting frame (401) are movably provided with a wire assembly (402); the opposite side of the two mounting plates (4) is fixedly connected to a motor (403); the opposite side of the two mounting plates (4) near the top is rotatably connected to a release roller (404); the opposite side of the two mounting plates (4) near the bottom is rotatably connected to a winding roller (405); the top of the inner wall of the test box (1) is rotatably connected to a guide wheel 1 (406) through a bracket; the top of the inner wall of the test box (1) is provided with a steering assembly; the bottom of the inner wall of the test box (1) is rotatably connected to a guide wheel 2 (410) through a bracket; the top of the test box (1) is fixedly connected to a guide box (2); the inner wall of the guide box (2) is symmetrically rotatably connected to two guide wheels (201).

2. The elevator speed governor aging test device according to claim 1, characterized in that: The steering assembly comprises a cross-shaped frame (407), the cross-shaped frame (407) is fixedly connected to the test box (1), one side of the cross-shaped frame (407) close to the top is symmetrically connected to two second steering wheels (409), and the side of the cross-shaped frame (407) close to the bottom is rotatably connected to a first steering wheel (408).

3. The elevator speed governor aging test device according to claim 2, characterized in that: The wire assembly (402) includes a plurality of adjustable guide rollers. The top and bottom of the mounting frame (401) are both rotatably connected to reciprocating screw rods. The wire assembly (402) is threadedly connected to the reciprocating screw rods. One of the reciprocating screw rods is connected to a release roller (404) via a pulley assembly, and the other reciprocating screw rod is connected to a winding roller (405) via a pulley assembly.

4. The elevator speed governor aging test device according to claim 3, characterized in that: The motor (403), the release roller (404) and the winding roller (405) are connected via a pulley assembly; one end of the shaft of the release roller (404) is fixedly connected to a speed sensor; and an eccentric portion of one side of the winding roller (405) is fixedly connected to a rotation sensor.

5. The elevator speed governor aging test device according to claim 2, characterized in that: The top of the test box (1) is fixedly connected to a control box (3), and the top of the control box (3) is movably connected to a box cover (301) via a hinge.

6. The elevator speed governor aging test device according to claim 5, characterized in that: A warning light (302) is provided on the top of the control box (3), and a cooling fan (303) is provided on one side of the control box (3).

7. The elevator speed governor aging test device according to claim 5, characterized in that: The four sides of the test box (1) are movably connected to the box door (101) via hinges, and the four corners of the bottom of the test box (1) are fixedly connected to universal self-locking wheels.

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