Elevator steel belt fracture detection device

By designing an elevator steel belt break detection device combining hydraulic cylinder and fixing device, the problems of insecure fixation of steel belts in the prior art are solved, and firm fixation and real-time tensile strength detection of steel belts of different lengths are achieved.

CN222821069UActive Publication Date: 2025-05-02GANSU ZHONGJIANG GLASS CO LTD
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Patent Information

Application Number
CN202421573148.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-05-02
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

The existing elevator steel belt strength detection device cannot firmly fix steel belts of different lengths, resulting in inconvenience in detection and it is difficult to avoid the sliding of the steel wire rope, affecting the detection results.

Method used

An elevator steel belt break detection device is designed, and the steel belt is firmly fixed by hydraulic cylinders and fixing devices. The position of the movable plate is adjusted through the hydraulic cylinders to adapt to steel belts of different lengths. The tension is detected in real time by using pressure sensors until the steel belt breaks.

Benefits of technology

It realizes firm fixation of elevator steel strips of different lengths, avoids the sliding of the wire rope, improves the convenience and accuracy of detection, and can detect the maximum tensile strength of the steel strip in real time.

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Abstract

The utility model relates to the technical field of elevator steel belt detection, in particular to an elevator steel belt fracture detection device which comprises a bottom plate, a movable plate and a fixed plate are arranged on the left side and the right side of the upper portion of the bottom plate respectively, the fixed plate is fixedly connected with the bottom plate, and a first hydraulic cylinder is installed on the side, close to the fixed plate, of the movable plate. The side, close to the movable plate, of the fixed plate is fixedly connected with a connecting frame, a plurality of steel wire ropes of the elevator steel belt are guided into the inner side of the fixed frame through a plurality of penetrating holes correspondingly, then the steel wire ropes are bound to the outer walls of a plurality of fixed rings correspondingly, the steel wire ropes can be fixed in a splayed buckle mode, and the fixing firmness degree of the elevator steel belt is effectively improved; the distance between the first fixing device and the second fixing device is adjusted according to the length of the elevator steel belt, the second hydraulic cylinder is started to drive the movable plate to slide on the outer walls of the multiple sliding rods, and therefore the first hydraulic cylinder is driven to move, adjustment is convenient, and the elevator steel belt detection device can adapt to elevator steel belts of different lengths.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevator steel belt detection, in particular to an elevator steel belt fracture detection device. Background Art

[0002] Car elevators generally use steel wire ropes or steel belts for traction. Among the two, steel belts have certain advantages in terms of cost and durability. Therefore, more and more car elevators will use steel belts for traction. The safety of steel belts during use is particularly important. A steel belt is composed of multiple thin steel wire ropes, which are wrapped with insulating composite materials to form a belt.

[0003] In order to ensure the quality of elevator steel belts, it is usually necessary to use a detection device to test their strength. The existing elevator steel belt strength detection device has certain disadvantages when used. It cannot firmly fix the elevator steel belt, which will cause the steel wire rope to slide due to force, which can easily cause inconvenience in the detection of the elevator steel belt. In addition, it is not convenient to perform tensile strength testing on steel belts of different lengths. Utility Model Content

[0004] The purpose of the utility model is to provide an elevator steel belt break detection device, which is convenient for limiting and fixing a test strip, has a good fixing effect, has high stability of the test strip, is convenient for collecting blood samples, and the blood glucose meter body is easy to fix and is more portable to operate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevator steel belt breakage detection device, comprising a base plate, a movable plate and a fixed plate are respectively arranged on the left and right sides above the base plate, the fixed plate and the base plate are fixedly connected, a first hydraulic cylinder is installed on the side of the movable plate close to the fixed plate, a first fixing device is fixedly installed on the output end of the first hydraulic cylinder, a connecting frame is fixedly connected to the side of the fixed plate close to the movable plate, two pull rods are slidably connected to the outer wall of the connecting frame, one end of the two pull rods located on the inner side of the connecting frame is fixedly connected to a limiting block, a pressure sensor is arranged on the inner wall of the connecting frame, a second fixing device is fixedly installed on the other end of the two pull rods, the first fixing device and the second fixing device have the same structure and both include a fixing frame, and a plurality of evenly distributed fixing rings are fixedly connected to the inner side of the fixing frame.

[0006] In order to facilitate the steel belt and steel wire rope to pass through the fixed frame, as a preferred elevator steel belt breakage detection device of the utility model, the outer wall of the fixed frame is penetrated with a plurality of through holes matching the number of fixed rings.

[0007] In order to facilitate the limiting of the movable plate, as a preferred elevator steel belt fracture detection device of the utility model, a mounting plate is fixedly connected to the left side of the upper end surface of the bottom plate, a plurality of sliding rods are fixedly connected to the outer wall of the mounting plate, and the movable plate is slidably connected to the outer walls of the plurality of sliding rods.

[0008] In order to drive the movable plate to move, as a preferred elevator steel belt fracture detection device of the utility model, a second hydraulic cylinder is installed on the other side of the mounting plate, and the output end of the second hydraulic cylinder is fixedly connected to the movable plate.

[0009] In order to facilitate the measurement of the length of the detected steel belt, as a preferred embodiment of the elevator steel belt fracture detection device of the present invention, a measuring ruler is provided above the bottom plate and below the first fixing device and the second fixing device.

[0010] In order to control the operating equipment, as a preferred embodiment of the elevator steel belt fracture detection device of the present invention, a control panel is installed on the other side of the fixed plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] When the elevator steel belt is being tested, firstly, the distance between the first fixing device and the second fixing device is adjusted according to the length of the elevator steel belt, and the second hydraulic cylinder is started to drive the movable plate to slide on the outer wall of multiple slide bars, thereby driving the first hydraulic cylinder to move, which is easy to adjust to adapt to elevator steel belts of different lengths;

[0013] Before fixing the elevator steel belt, the ends of the elevator steel belt are first stripped so that the internal steel wire ropes are extended to the external moving length for easy fixing. When fixing, the multiple steel wire ropes of the elevator steel belt are respectively introduced into the inner side of the fixing frame through multiple perforations, and then the multiple steel wire ropes are respectively tied to the outer walls of multiple fixing rings. The steel wire ropes can be fixed in the form of an eight-shaped buckle, which effectively improves the fixing firmness of the elevator steel belt and prevents slippage from affecting the normal detection work;

[0014] After both ends of the elevator steel belt are fixed, start the first hydraulic cylinder to contract, thereby stretching the steel belt. During the stretching process, the second fixing device drives the two pull rods to slide, and the pull rods drive the limit blocks to press the pressure sensor. The pressure sensor can detect the tension in real time until the elevator steel belt breaks. The maximum tension value during the pressure sensor detection process is taken to detect the maximum tensile strength of the elevator steel belt. The detection is convenient, and the detection data is displayed through the control panel for easy observation and calculation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2It is a partially enlarged structural diagram of the utility model;

[0017] Figure 3 This is a side structural diagram of the fixed frame of the utility model.

[0018] In the figure: 1, bottom plate; 2, movable plate; 3, fixed plate; 4, first hydraulic cylinder; 5, first fixing device; 6, second fixing device; 7, connecting frame; 8, pull rod; 9, limit block; 10, pressure sensor; 11, fixing frame; 12, fixing ring; 13, perforation; 14, mounting plate; 15, sliding rod; 16, second hydraulic cylinder; 17, measuring ruler; 18, control panel. DETAILED DESCRIPTION

[0019] See also Figures 1 to 3 A device for detecting the fracture of an elevator steel belt comprises a bottom plate 1, a movable plate 2 and a fixed plate 3 are respectively arranged on the left and right sides above the bottom plate 1, the fixed plate 3 and the bottom plate 1 are fixedly connected, a first hydraulic cylinder 4 is installed on the side of the movable plate 2 close to the fixed plate 3, a first fixing device 5 is fixedly installed on the output end of the first hydraulic cylinder 4, a connecting frame 7 is fixedly connected to the side of the fixed plate 3 close to the movable plate 2, two pull rods 8 are slidably connected to the outer wall of the connecting frame 7, one end of the two pull rods 8 located on the inner side of the connecting frame 7 is fixedly connected to a limiting block 9, a pressure sensor 10 is arranged on the inner wall of the connecting frame 7, a second fixing device 6 is fixedly installed on the other end of the two pull rods 8, the first fixing device 5 and the second fixing device 6 have the same structure and both include a fixing frame 11, and a plurality of evenly distributed fixing rings 12 are fixedly connected to the inner side of the fixing frame 11.

[0020] In this embodiment: when the elevator steel belt is being tested, the distance between the first fixing device 5 and the second fixing device 6 is first adjusted according to the length of the elevator steel belt, and the second hydraulic cylinder 16 is started to drive the movable plate 2 to slide on the outer wall of the plurality of slide bars 15, thereby driving the first hydraulic cylinder 4 to move, which is convenient for adjustment so as to adapt to elevator steel belts of different lengths. Subsequently, the two ends of the elevator steel belt are respectively fixed on the first fixing device 5 and the second fixing device 6. Before fixing, the ends of the elevator steel belt are first stripped so that the internal steel wire rope is extended to the external moving length for easy fixing. When fixing, the multiple steel wire ropes of the elevator steel belt are respectively introduced into the inner side of the fixing frame 11 through the multiple perforations 13, and then the multiple steel wire ropes are respectively tied to the first fixing device 5 and the second fixing device 6. The outer walls of multiple fixing rings 12 can be fixed in the form of an eight-shaped buckle, which effectively improves the firmness of the elevator steel belt and prevents slippage from affecting the normal detection work. After both ends of the elevator steel belt are fixed, the first hydraulic cylinder 4 is started to contract, thereby stretching the steel belt. During the stretching process, the second fixing device 6 drives the two pull rods 8 to slide, and the pull rods 8 drive the limit blocks 9 to press the pressure sensor 10. The pressure sensor 10 can detect the tension in real time until the elevator steel belt breaks. The maximum tension value during the detection process of the pressure sensor 10 is taken to detect the maximum tensile strength of the elevator steel belt. The detection is convenient, and the detection data is displayed through the control panel 18, which is convenient for observation and calculation.

[0021] As a technical optimization solution of the present invention, a plurality of through holes 13 matching the number of the fixing rings 12 are formed through the outer wall of the fixing frame 11 .

[0022] In this embodiment, a plurality of through holes 13 are provided to facilitate the passage of a plurality of steel wire ropes of the elevator steel belt through the through holes 13 and to fix the inner side of the frame 11 .

[0023] As a technical optimization solution of the utility model, a mounting plate 14 is fixedly connected to the left side of the upper end surface of the bottom plate 1 , a plurality of slide bars 15 are fixedly connected to the outer wall of the mounting plate 14 , and the movable plate 2 is slidably connected to the outer wall of the plurality of slide bars 15 .

[0024] In this embodiment, the movable plate 2 is slidably connected to the outer walls of the plurality of sliding rods 15 , thereby limiting the position of the movable plate 2 , so that the movable plate 2 can only move in the horizontal direction.

[0025] As a technical optimization solution of the utility model, a second hydraulic cylinder 16 is installed on the other side of the mounting plate 14 , and the output end of the second hydraulic cylinder 16 is fixedly connected to the movable plate 2 .

[0026] In this embodiment, the output end of the second hydraulic cylinder 16 is fixedly connected to the movable plate 2 , so as to facilitate the movable plate 2 to move on the outer walls of the plurality of slide bars 15 .

[0027] As a technical optimization solution of the present invention, a measuring ruler 17 is provided above the bottom plate 1 and below the first fixing device 5 and the second fixing device 6 .

[0028] In this embodiment, by providing a measuring ruler 17, it is convenient to visually measure the length of the elevator steel belt being tested.

[0029] As a technical optimization solution of the present invention, a control panel 18 is installed on the other side of the fixing plate 3 .

[0030] In this embodiment: a control panel 18 is installed on the other side of the fixed plate 3, and the first hydraulic cylinder 4, the second hydraulic cylinder 16 and the pressure sensor 10 are all electrically connected to the control panel 18, so as to facilitate the operation and control of the equipment.

[0031] Working principle: When the elevator steel belt is being tested, first adjust the distance between the first fixing device 5 and the second fixing device 6 according to the length of the elevator steel belt, start the second hydraulic cylinder 16 to drive the movable plate 2 to slide on the outer wall of the plurality of slide bars 15, thereby driving the first hydraulic cylinder 4 to move. The adjustment is convenient so as to adapt to elevator steel belts of different lengths. Then, the two ends of the elevator steel belt are respectively fixed on the first fixing device 5 and the second fixing device 6. Before fixing, the ends of the elevator steel belt are first peeled off so that the internal steel wire rope is extended to the external moving length for easy fixing. When fixing, the multiple steel wire ropes of the elevator steel belt are respectively introduced into the inner side of the fixing frame 11 through the multiple perforations 13, and then the multiple steel wire ropes are respectively tied to The outer walls of multiple fixing rings 12 can be fixed in the form of an eight-shaped buckle, which effectively improves the firmness of the elevator steel belt and prevents slippage from affecting the normal detection work. After both ends of the elevator steel belt are fixed, the first hydraulic cylinder 4 is started to contract, thereby stretching the steel belt. During the stretching process, the second fixing device 6 drives the two pull rods 8 to slide, and the pull rods 8 drive the limit blocks 9 to press the pressure sensor 10. The pressure sensor 10 can detect the tension in real time until the elevator steel belt breaks. The maximum tension value during the detection process of the pressure sensor 10 is taken to detect the maximum tensile strength of the elevator steel belt. The detection is convenient, and the detection data is displayed through the control panel 18, which is convenient for observation and calculation.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An elevator steel belt fracture detection device, comprising a bottom plate (1), characterized in that: A movable plate (2) and a fixed plate (3) are respectively arranged on the left and right sides above the bottom plate (1); the fixed plate (3) and the bottom plate (1) are fixedly connected; a first hydraulic cylinder (4) is installed on the side of the movable plate (2) close to the fixed plate (3); a first fixing device (5) is fixedly installed on the output end of the first hydraulic cylinder (4); a connecting frame (7) is fixedly connected on the side of the fixed plate (3) close to the movable plate (2); two pull rods (8) are slidably connected to the outer wall of the connecting frame (7); one end of the two pull rods (8) located on the inner side of the connecting frame (7) is fixedly connected to a limiting block (9); a pressure sensor (10) is arranged on the inner wall of the connecting frame (7); a second fixing device (6) is fixedly installed on the other end of the two pull rods (8); the first fixing device (5) and the second fixing device (6) have the same structure and both include a fixing frame (11); a plurality of evenly distributed fixing rings (12) are fixedly connected to the inner side of the fixing frame (11).

2. The elevator steel belt fracture detection device according to claim 1, characterized in that: The outer wall of the fixing frame (11) is penetrated by a plurality of through holes (13) whose number matches the number of the fixing rings (12).

3. The elevator steel belt fracture detection device according to claim 1, characterized in that: A mounting plate (14) is fixedly connected to the left side of the upper end surface of the bottom plate (1), a plurality of sliding rods (15) are fixedly connected to the outer wall of the mounting plate (14), and the movable plate (2) is slidably connected to the outer wall of the plurality of sliding rods (15).

4. The elevator steel belt fracture detection device according to claim 3, characterized in that: A second hydraulic cylinder (16) is installed on the other side of the mounting plate (14), and an output end of the second hydraulic cylinder (16) is fixedly connected to the movable plate (2).

5. The elevator steel belt fracture detection device according to claim 1, characterized in that: A measuring ruler (17) is provided above the base plate (1) and is located below the first fixing device (5) and the second fixing device (6).

6. The elevator steel belt fracture detection device according to claim 1, characterized in that: A control panel (18) is installed on the other side of the fixing plate (3).