Passenger elevator with fault monitoring function

By setting up a detection structure on the elevator support frame and using a mechanical monitoring method triggered by a microswitch, the problems of existing elevator wire rope monitoring technology being difficult to detect in a timely manner, susceptible to electromagnetic interference, and costly are solved. This enables real-time monitoring and timely response to wire rope faults, reducing equipment complexity and cost.

CN223804674UActive Publication Date: 2026-01-16VOLKSELEVATOR ELEVATOR CHINA
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Patent Information

Application Number
CN202520610475.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-01-16
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

Existing elevator wire rope monitoring technologies are difficult to detect in a timely manner, are susceptible to external electromagnetic interference, and are costly.

Method used

By setting up a detection structure on the support frame and using a mechanical fault monitoring method triggered by a microswitch, the rising of the main body of the steel cable head triggers the lifting plate, thereby realizing real-time monitoring of steel wire rope breakage or tension, simplifying the structure and reducing costs.

Benefits of technology

It enables timely monitoring of wire rope faults, reduces safety hazards, avoids complex equipment and electromagnetic interference, and lowers monitoring costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a passenger elevator with a fault monitoring function, and relates to the technical field of elevators, the passenger elevator comprises a passenger elevator main body, the passenger elevator main body is provided with a supporting frame, the supporting frame is provided with a plurality of steel rope head main bodies, the supporting frame is further provided with a detection structure, and the detection structure comprises a supporting piece arranged on the supporting frame; a lifting plate is connected to the supporting piece in a penetrating mode, a detection piece is fixedly connected to the bottom end of the lifting plate, and a microswitch is further arranged on the supporting piece. The detection structure is arranged on the supporting frame, real-time monitoring of breakage or stretching faults of the steel wire rope is achieved, specifically, when the steel wire rope is broken or stretched, the steel wire rope head body ascends, the lifting plate ascends and triggers the microswitch to act, then a signal is generated, the state of the steel wire rope can be monitored in real time, and the safety of the steel wire rope is improved. And measures can be taken in time when faults such as breakage or stretching occur, more serious consequences are reduced, complex sensors or detection equipment is not needed, and the cost is low.
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Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field, specifically, it relates to a passenger elevator with fault monitoring function. BACKGROUND

[0002] In high-rise buildings and public facilities, as vertical transport tools, the running safety of elevators is very important, steel wire rope as the key suspension device of the elevator, bears the whole quality of the elevator car, and generates friction with the traction sheave in the running process of the elevator, drives the car to move up and down, however, the steel wire rope may appear broken wire, stretching or even breaking and other faults due to fatigue, wear, corrosion or overload and other reasons in the use process, if these faults cannot be monitored and handled in time, will lead to serious safety accidents, threatens the life and property safety of passengers and equipment;

[0003] The existing elevator steel wire rope monitoring technology mainly includes visual method, electromagnetic detection method and ultrasonic detection method, the visual method depends on manual observation, and it is difficult to find the internal damage and small changes of the steel wire rope in time, the electromagnetic detection method judges the health condition of the steel wire rope by detecting the change of the magnetic property of the steel wire rope, but is easy to be interfered by external electromagnetic interference, and the detection precision of the local damage of the steel wire rope is limited, the ultrasonic detection method detects the internal defects of the steel wire rope by using the propagation characteristics of ultrasonic waves in the steel wire rope, but the equipment is complex, the cost is high, and professional technical personnel are needed to operate, therefore, we improve it, and propose a passenger elevator with fault monitoring function. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at: in view of the problems of the existing monitoring technology that is difficult to detect in time, is easy to be interfered by external electromagnetic interference and is high in cost.

[0005] In order to realize the utility model purpose, the utility model provides a passenger elevator with fault monitoring function to improve the above problems.

[0006] The application is as follows:

[0007] A passenger elevator with fault monitoring function, including passenger elevator main body, the passenger elevator main body has support frame, a plurality of steel cable rope heads are arranged on the support frame, detection structure is also arranged on the support frame, the detection structure includes the support piece arranged on the support frame, the lifting plate is connected in the support piece, the detection piece is fixedly connected to the bottom end of the lifting plate, the microswitch is also arranged on the support piece.

[0008] As the preferred technical scheme of the application, the microswitch has a driving rod, and the driving rod of the microswitch is located on the lifting track of the lifting plate.

[0009] As the preferred technical scheme of the present application, the steel cable rope head body drives the support and the lifting plate to rise when the steel wire rope is broken or loose, so as to touch the driving rod of the micro switch and realize the steel wire rope fault monitoring.

[0010] As the preferred technical scheme of the present application, the support comprises a first support plate mounted on the support frame by bolts, and a second support plate fixedly mounted on the top of the first support plate, and the lifting plate is connected on the second support plate.

[0011] As the preferred technical scheme of the present application, the top of the second support plate is fixedly provided with a third support plate, and the micro switch is mounted on the third support plate by bolts.

[0012] As the preferred technical scheme of the present application, the detection member comprises a connecting plate fixedly mounted on the bottom of the lifting plate, and a plurality of connecting arms are arranged on the connecting plate.

[0013] As the preferred technical scheme of the present application, the bottom of the connecting arm away from the connecting plate is fixedly connected with a pad, and the pad is in contact with the top of the steel cable rope head body.

[0014] As the preferred technical scheme of the present application, a threaded hole is formed in the connecting plate, and a fixed bolt is threadedly connected in the threaded hole, and the connecting arm is sleeved on the outer surface of the fixed bolt.

[0015] As the preferred technical scheme of the present application, a limiting spring is fixedly connected between the lifting plate and the top of the second support plate, and the elastic force of the limiting spring is smaller than that of the spring of the steel cable rope head body.

[0016] As the preferred technical scheme of the present application, the first support plate, the third support plate and the second support plate are welded together, and the bottom end of the lifting plate is welded with the connecting plate.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] In the scheme of the present application:

[0019] In order to solve the problems of the prior art, such as difficult timely detection, susceptible to external electromagnetic interference, and high cost, the application realizes real-time monitoring of the steel wire rope fracture or stretching failure by arranging a detection structure on the support frame. Specifically, when the steel wire rope is fractured or stretched, the steel cable head body rises, the lifting plate rises and triggers the micro switch to act, and then a signal is generated, so that the state of the steel wire rope can be monitored in real time, and measures can be taken in time when a fracture or stretching failure occurs, thereby reducing more serious consequences. Without complex sensors or detection equipment, the cost is low, and at the same time, all the support frames share one detection structure, which further simplifies the structure. The application adopts a mechanical trigger, that is, the lifting plate is directly driven to rise and trigger the micro switch when the steel wire rope is fractured or stretched, and is not susceptible to electromagnetic interference. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A structural schematic diagram of a passenger elevator provided with a failure monitoring function is provided.

[0021] Figure 2 A partial structural schematic diagram of a passenger elevator provided with a failure monitoring function is provided.

[0022] Figure 3 A structural schematic diagram of a detection structure of a passenger elevator provided with a failure monitoring function is provided.

[0023] Figure 4 A bottom view structural schematic diagram of a connecting plate of a passenger elevator provided with a failure monitoring function is provided.

[0024] Indications in the figure:

[0025] 1, passenger elevator body; 101, support frame; 102, steel cable head body; 2, detection structure; 201, first support plate; 202, second support plate; 203, third support plate; 204, lifting plate; 205, connecting plate; 206, fixing bolt; 207, connecting arm; 208, pad; 209, micro switch; 210, limiting spring. DETAILED DESCRIPTION

[0026] In order to enable personnel in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0027] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0028] It should be noted that like reference numerals and letters refer to like items throughout the several views, and once an item is defined in one view, it need not be further defined and explained in the subsequent views.

[0029] Embodiment, please refer to Figures 1-4 A passenger elevator with a fault monitoring function, comprising a passenger elevator body 1, the passenger elevator body 1 has a support frame 101, a plurality of steel cable head bodies 102 are arranged on the support frame 101, a detection structure 2 is further arranged on the support frame 101, the detection structure 2 comprises a supporting piece arranged on the support frame 101, a lifting plate 204 is connected through the supporting piece, a detection piece is fixedly connected to the bottom end of the lifting plate 204, a micro switch 209 is further arranged on the supporting piece, the application realizes real-time monitoring of the steel wire rope fracture or stretching fault by arranging the detection structure 2 on the support frame 101, specifically, when the steel wire rope is fractured or stretched, the steel cable head body 102 rises, so that the lifting plate 204 rises and triggers the micro switch 209 to act, and then a signal is generated, the state of the steel wire rope can be monitored in real time, measures can be taken in time when faults such as fracture or stretching occur, more serious consequences are reduced, without complex sensors or detection equipment, the cost is low, at the same time, all the support frames 101 share a detection structure 2, which further simplifies the structure, the application adopts mechanical triggering, that is, the steel wire rope is directly driven to rise and trigger the micro switch 209 when it is fractured or stretched, which is not easy to be affected by electromagnetic interference.

[0030] Further, the micro switch 209 has a driving rod, and the driving rod of the micro switch 209 is located on the lifting track of the lifting plate 204, so that the lifting plate 204 can trigger the driving rod of the micro switch 209 when it rises, and then trigger the micro switch 209.

[0031] Further, the steel cable head body 102 drives the supporting piece and the lifting plate 204 to rise when the steel wire rope is fractured or loosened, so as to trigger the driving rod of the micro switch 209 and realize steel wire rope fault monitoring, which is simple in structure and low in cost, the micro switch (209) is connected with the elevator control system through a cable, when the micro switch (209) is triggered, the control system receives the signal and starts the alarm or stops.

[0032] Further, the supporting piece comprises a first supporting plate 201 mounted on the support frame 101 by bolts, a second supporting plate 202 is fixedly installed on the top of the first supporting plate 201, and the lifting plate 204 is connected through the second supporting plate 202.

[0033] Further, the top of the second support plate 202 is fixedly provided with a third support plate 203, and the micro switch 209 is fixed on the third support plate 203 through bolts, so that the micro switch 209 can be easily replaced during maintenance.

[0034] Further, the detection member comprises a connecting plate 205 fixedly arranged at the bottom of the lifting plate 204, and a plurality of connecting arms 207 are arranged on the connecting plate 205.

[0035] Further, the bottom of the end of the connecting arm 207 away from the connecting plate 205 is fixedly connected with a pad 208, and the pad 208 is in contact with the top of the steel cable head body 102, so that the lifting plate 204 can be driven to rise through the pad 208, the connecting arm 207 and the connecting plate 205 when the support frame 101 rises.

[0036] Further, screw holes are formed in the connecting plate 205, and fixed bolts 206 are threadedly connected with the screw holes, and the connecting arm 207 is sleeved on the outer surface of the fixed bolt 206, so that the connecting arm 207 can be installed on the connecting plate 205 through the connecting arm 207 and the screw hole, and the position of the connecting arm 207 can be adjusted after the fixed bolt 206 is loosened, so that the pad 208 is aligned with the steel cable head body 102.

[0037] Further, the lifting plate 204 and the top of the second support plate 202 are fixedly connected with a limiting spring 210, and the acting force of the limiting spring 210 can reduce the vibration generated during the operation of the elevator to cause the lifting plate 204 to mistakenly touch the micro switch 209, and the elastic force of the limiting spring 210 is smaller than the elastic force of the spring of the steel cable head body 102, so as to reduce the influence of the limiting spring 210 on the rising of the steel cable head body 102.

[0038] Further, the first support plate 201, the third support plate 203 and the second support plate 202 are welded together, and the bottom end of the lifting plate 204 and the connecting plate 205 are welded together, so that the components are stably connected.

[0039] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and the like terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be directly connected, also can indirectly connect through intermediate medium, can be the communication or the interaction relationship of two elements of two elements, unless another definite limitation. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0040] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A passenger elevator with a fault monitoring function, comprising a passenger elevator main body (1) having a support frame (101) on which a plurality of steel cable rope heads (102) are arranged, characterized in that, The support frame (101) is further provided with a detection structure (2), which comprises a support arranged on the support frame (101), and a lifting plate (204) connected to the support, wherein the bottom end of the lifting plate (204) is fixedly connected with a detection member, and the support is further provided with a micro switch (209).

2. A passenger elevator with a malfunction monitoring function according to claim 1, characterized in that, The micro switch (209) has a driving rod, and the driving rod of the micro switch (209) is located on the lifting track of the lifting plate (204).

3. A passenger elevator having a malfunction monitoring function according to claim 2, characterized in that, When the steel cable rope head body (102) is broken or loose, the support and the lifting plate (204) are driven to rise, so as to touch the driving rod of the micro switch (209) and realize the steel wire rope fault monitoring.

4. A passenger elevator having a malfunction monitoring function according to claim 3, characterized in that, The support comprises a first support plate (201) mounted on the support frame (101) by bolts, and the top of the first support plate (201) is fixedly provided with a second support plate (202), and the lifting plate (204) is connected to the second support plate (202).

5. A passenger elevator having a malfunction monitoring function according to claim 4, characterized in that, The top of the second support plate (202) is fixedly provided with a third support plate (203), and the micro switch (209) is mounted on the third support plate (203) by bolts.

6. A passenger elevator having a malfunction monitoring function according to claim 5, characterized in that, The detection member comprises a connecting plate (205) fixedly installed at the bottom of the lifting plate (204), and a plurality of connecting arms (207) are arranged on the connecting plate (205).

7. A passenger elevator having a malfunction monitoring function according to claim 6, characterized in that, The bottom of the end of the connecting arm (207) away from the connecting plate (205) is fixedly connected with a pad (208), and the pad (208) is in contact with the top of the steel cable rope head body (102).

8. A passenger elevator having a malfunction monitoring function according to claim 7, characterized in that, The connecting plate (205) is provided with a threaded hole, and a fixing bolt (206) is threadedly connected in the threaded hole, and the connecting arm (207) is sleeved on the outer surface of the fixing bolt (206).

9. A passenger elevator having a malfunction monitoring function according to claim 8, characterized in that, The lifting plate (204) and the top of the second support plate (202) are fixedly connected with a limiting spring (210), and the elastic force of the limiting spring (210) is smaller than that of the spring of the steel cable rope head body (102).

10. A passenger elevator having a malfunction monitoring function according to claim 9, characterized in that, The first support plate (201), the third support plate (203) and the second support plate (202) are welded together, and the bottom end of the lifting plate (204) and the connecting plate (205) are welded together.