Escalator heavy-load roller experiment device

Abstract

The utility model relates to the technical field of escalators, in particular to a heavy-load roller experiment device for an escalator. The utility model provides a heavy-load roller experiment device for an escalator, which is capable of comprehensively evaluating the performance and durability of the roller by simulating the abrasion condition of the roller under different load conditions and improving the use safety of the escalator. An escalator heavy-load roller experiment device comprises a base, side plates and the like, and the side plates are connected to the upper sides of the left portion and the right portion of the base. According to the utility model, by starting the motor, the chuck is rotated, the roller is rotated, the roller and the top wheel are rubbed, and meanwhile, the pressure borne by the roller under different load conditions can be simulated by changing the thrust of the hydraulic cylinder, so that the roller wear condition under different load conditions can be simulated; the performance and durability of the escalator are comprehensively evaluated, and the use safety of the escalator is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of escalators, in particular to an escalator heavy-load roller testing device. Background Art

[0002] Escalators, as elevator equipment that continuously transports passengers, are widely used for their convenience in high-traffic public places such as shopping malls, airports, and train stations. Their core operating principle is based on a recirculating chain drive and variable frequency speed regulation technology. The rollers, as key components, play a vital role in escalator operation. Over time and under increasing loads, rollers may wear and crack, especially plastic-core rollers, where wear and cracking are more pronounced. These roller problems can lead to safety hazards such as step tilting, step sinking, comb collision, and step collapse, seriously compromising passenger safety. Therefore, it is particularly important to subject rollers to heavy-load testing to verify their performance and durability under extreme conditions.

[0003] Therefore, an escalator heavy-load roller test device has been developed that can simulate the wear of the roller under different load conditions to comprehensively evaluate its performance and durability and improve the safety of escalator use. Utility Model Content

[0004] In order to overcome the shortcomings that the rollers may wear and crack as the service time increases and the load increases, which can lead to safety hazards such as step tilting, step sinking, comb collision, step collapse, etc., which seriously affect the safety of passengers, the utility model provides an escalator heavy-load roller test device that can simulate the wear of the rollers under different load conditions to comprehensively evaluate their performance and durability, thereby improving the safety of escalator use.

[0005] The technical solution is: an escalator heavy-load roller experimental device, including a base, side panels, a motor, a workbench, a hydraulic cylinder, a sliding seat, a screw rod, a slide rod and a top wheel frame. The upper sides of the left and right parts of the base are connected to side panels, the workbench is connected between the upper sides of the side panels, the motor is connected between the base and the workbench, the left part of the workbench is connected to a hydraulic cylinder, the middle part of the workbench is connected to a slide rod, the slide rod is slidably connected to the sliding seat, the sliding seat is connected to the telescopic end of the hydraulic cylinder, the sliding seat is rotatably connected to the screw rod, the screw rod is threadedly connected to the top wheel frame, the top wheel frame is slidably connected to the sliding seat, and the top wheel frame is rotatably provided with a top wheel.

[0006] Furthermore, it also includes a handle, the upper side of the sliding seat is rotatably connected to the handle, and the handle is connected to the screw rod.

[0007] Furthermore, it also includes a roller and a chuck. The motor output shaft is connected to the chuck, and the roller is clamped on the chuck.

[0008] Furthermore, a heating lamp is included, and the upper side of the right rear portion of the workbench is connected with the heating lamp.

[0009] Furthermore, it also includes a roundness meter, a sliding groove and a nut. The sliding groove is connected to the upper right front side of the workbench, the sliding groove is slidingly connected to the roundness meter, the front side of the sliding groove is threadedly connected to the nut, and the roller is in contact with the roundness meter.

[0010] Furthermore, a butterfly-shaped handle is provided on the nut.

[0011] The beneficial effects are as follows: the utility model starts the motor to rotate the chuck, rotate the roller, and cause the roller to rub against the top wheel. At the same time, by changing the thrust of the hydraulic cylinder, it can simulate the pressure on the roller under different load conditions, thereby achieving the effect of being able to simulate the wear of the roller under different load conditions, so as to comprehensively evaluate its performance and durability and improve the safety of escalator use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0013] Figure 2 This is a cross-sectional view of the structure of the utility model.

[0014] The names and serial numbers of the parts in the figure are: 1_base, 2_side panel, 3_motor, 4_workbench, 5_hydraulic cylinder, 6_handle, 7_sliding seat, 8_screw, 9_slide, 10_top wheel frame, 11_roller, 12_chuck, 13_heating lamp, 14_roundness meter, 15_sliding groove, 16_nut. DETAILED DESCRIPTION

[0015] The preferred technical solution of the present utility model is described in detail below with reference to the accompanying drawings.

[0016] An escalator heavy load roller test device, such as Figure 1 and Figure 2As shown, it includes a base 1, a side plate 2, a motor 3, a workbench 4, a hydraulic cylinder 5, a hand 6, a sliding seat 7, a screw 8, a slide 9, a top wheel frame 10, a roller 11, a chuck 12, a heating lamp 13, a roundness meter 14, a sliding groove 15 and a nut 16. The upper sides of the left and right parts of the base 1 are connected to the side plates 2, the upper sides of the side plates 2 are connected to the workbench 4, the motor 3 is connected between the base 1 and the workbench 4, the left part of the workbench 4 is connected to the hydraulic cylinder 5, the middle part of the workbench 4 is connected to the slide 9, the slide 9 is slidably connected to the sliding seat 7, the upper side of the sliding seat 7 is rotatably connected to the hand 6, the hand 6 is connected to the screw 8, and the sliding The seat 7 is connected to the telescopic end of the hydraulic cylinder 5, the sliding seat 7 is rotatably connected with a screw rod 8, the screw rod 8 is threadedly connected to a top wheel frame 10, the top wheel frame 10 is slidably connected to the sliding seat 7, and a top wheel is rotatably provided on the top wheel frame 10. A chuck 12 is connected to the output shaft of the motor 3, and a roller 11 is clamped on the chuck 12. A heating lamp 13 is connected to the upper right rear side of the workbench 4, and a sliding groove 15 is connected to the upper right front side of the workbench 4. A roundness meter 14 is slidably connected to the sliding groove 15, and a nut 16 is threadedly connected to the front side of the sliding groove 15. A butterfly handle is provided on the nut 16 for easy rotation, and the roller 11 is in contact with the roundness meter 14.

[0017] When using the utility model, first move the base 1 to the test area of the load-bearing roller 11 of the escalator, then place the roller 11 to be tested on the chuck 12, and clamp the roller 11 by the chuck 12. Then, the screw rod 8 can be rotated by turning the hand 6, and the top wheel frame 10 slides on the sliding seat 7 under the action of the thread, and the height of the top wheel frame 10 is adjusted to be consistent with the roller 11. Then, start the hydraulic cylinder 5 on the workbench 4, so that the telescopic end of the hydraulic cylinder 5 extends, and pushes the sliding seat 7 to slide to the right on the slide rod 9, so that the top wheel on the top wheel frame 10 contacts the roller 11, and then start the motor 3 to rotate the chuck 12, so that the roller 11 is rotated so that the roller 11 and the top wheel rub against each other. At the same time, by loosening the nut 16, the roundness meter 14 is adjusted to contact with the roller 11, and then the nut 16 is tightened to fix the roundness meter 14, so that the roundness meter 14 can detect the roundness of the roller 11. By changing the thrust of the hydraulic cylinder 5, the pressure on the roller 11 under different load conditions can be simulated, thereby simulating the wear of the roller 11 under different heavy loads for detection. During the friction test, the heating lamp 13 can be started to control the temperature of the experiment, thereby simulating the wear of the roller 11 under different load conditions, so as to comprehensively evaluate its performance and durability and improve the safety of the escalator.

[0018] The above is a detailed introduction to the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of the present application. At the same time, for those skilled in the art, based on the idea of the present application, there may be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. An escalator heavy-load roller test device, characterized in that: The invention comprises a base (1), a side plate (2), a motor (3), a workbench (4), a hydraulic cylinder (5), a sliding seat (7), a screw rod (8), a sliding rod (9) and a top wheel frame (10), wherein the upper sides of the left and right sides of the base (1) are both connected to the side plates (2), the upper sides of the side plates (2) are connected to the workbench (4), the base (1) and the workbench (4) are connected to the motor (3), the left side of the workbench (4) is connected to the hydraulic cylinder (5), the middle part of the workbench (4) is connected to the sliding rod (9), the sliding seat (7) is slidably connected on the sliding rod (9), the sliding seat (7) is connected to the telescopic end of the hydraulic cylinder (5), the sliding seat (7) is rotatably connected to the screw rod (8), the screw rod (8) is threadedly connected to the top wheel frame (10), the top wheel frame (10) is slidably connected to the sliding seat (7), and the top wheel frame (10) is rotatably provided with a top wheel.

2. The escalator heavy-load roller test device according to claim 1, characterized in that: It also includes a rotating handle (6), the upper side of the sliding seat (7) is rotatably connected to the rotating handle (6), and the rotating handle (6) is connected to the screw rod (8).

3. The escalator heavy-load roller test device according to claim 1, characterized in that: It also includes a roller (11) and a chuck (12), wherein the chuck (12) is connected to the output shaft of the motor (3), and the roller (11) is clamped on the chuck (12).

4. The escalator heavy-load roller test device according to claim 3, characterized in that: A heating lamp (13) is also included, and the upper side of the right rear portion of the workbench (4) is connected to the heating lamp (13).

5. The escalator heavy-load roller test device according to claim 3, characterized in that: Also included are a roundness meter (14), a sliding groove (15) and a nut (16), the upper right front side of the workbench (4) is connected to the sliding groove (15), the sliding groove (15) is slidably connected to the roundness meter (14), the front side of the sliding groove (15) is threadedly connected to the nut (16), and the roller (11) contacts the roundness meter (14).

6. The escalator heavy-load roller test device according to claim 5, characterized in that: A butterfly-shaped handle is provided on the nut (16).

Images