Tensile performance detection equipment for special equipment of elevator cable

By combining the drive mechanism and the limit wheel and limit block design, the problem of outer sheath damage caused by excessive clamping force in elevator cable testing is solved, and efficient and safe cable tensile performance testing is achieved.

CN224019478UActive Publication Date: 2026-03-20榆林市特种设备检验检测院
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing elevator cable testing equipment requires a large clamping force, which can easily damage the cable sheath and has high requirements for the clamping point, making testing inconvenient.

Method used

A drive mechanism is used to rotate the positive and negative lead screws. The tension sensor and the fixed frame move, and the cable is fixed by the limit wheel and the limit block, which reduces the clamping force and improves the fixing effect.

Benefits of technology

During the testing process, the limiting wheel fits into the cable, increasing friction, preventing slippage, improving the cable's fixation effect, and solving the problem of outer sheath damage caused by excessive clamping force.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides an elevator cable special equipment tensile property detection device comprising a pedestal, the top of the pedestal is fixedly connected with a work bench, the inner cavity of the work bench is provided with a driving mechanism, the top of the work bench is provided with a moving mechanism, and the moving mechanism is fixedly connected with the pedestal. A tension sensor is arranged on the outer side of the moving mechanism, a fixing mechanism is arranged on the outer side of the tension sensor, a top frame is arranged on the top of the moving mechanism, the driving mechanism comprises a motor, the motor is arranged in an inner cavity of the workbench, the output end of the motor is fixedly connected with a first gear, and the outer side of the first gear is in meshed connection with a second gear. The elevator cable special equipment tensile property detection equipment provided by the utility model solves the problems that when an elevator cable is detected at present, relatively large clamping force is needed to ensure that the elevator cable does not slip during pulling detection, and the requirement on a clamping point is relatively high.
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Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, and in particular to a testing equipment for the tensile strength of elevator cables. Background Technology

[0002] Special equipment refers to boilers, pressure vessels (including gas cylinders), pressure pipelines, elevators, lifting machinery, passenger ropeways, large amusement facilities, special motor vehicles used in factories or plants, and other special equipment subject to this law as stipulated by laws and administrative regulations. Elevator cables are one such type. To ensure the safety of elevator cables during use, tensile performance testing is often required. The testing process generally involves clamping the sample in the fixture of a tensile testing machine, adjusting the fixture position so that the long axis of the sample coincides with the direction of tensile force, and then applying tensile force at a specified speed for testing.

[0003] Currently, elevator cables are typically tested by clamping and fixing the cable ends using a tensile testing machine. This process requires a large clamping force to prevent slippage during the tensile test. However, excessive clamping force can easily damage the cable sheath and places high demands on the clamping points. Therefore, it is necessary to provide a user-friendly special equipment for testing the tensile performance of elevator cables to solve the above technical problems. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides an easy-to-use special equipment for testing the tensile strength of elevator cables.

[0005] The elevator cable special equipment tensile performance testing device provided by this utility model includes a base, a workbench fixedly connected to the top of the base, a drive mechanism provided in the inner cavity of the workbench, a moving mechanism provided on the top of the workbench, a tension sensor provided on the outer side of the moving mechanism, a fixing mechanism provided on the outer side of the tension sensor, and a top frame provided on the top of the moving mechanism.

[0006] As a special equipment for testing the tensile strength of elevator cables provided by this utility model, preferably, the driving mechanism includes a motor, the motor is installed in the inner cavity of the workbench, the output end of the motor is fixedly connected to a first gear, the outer side of the first gear is meshed with a second gear, the inner ring of the second gear is fixedly connected to a transmission rod, the outer side of the transmission rod is fixedly connected to a first bevel gear, the outer side of the first bevel gear is meshed with a second bevel gear, the inner ring of the second bevel gear is fixedly connected to a rotating rod, and the bottom of the rotating rod is rotatably engaged with the bottom of the inner cavity of the workbench.

[0007] The utility model provides a kind of special equipment tensile property detection equipment of elevator cable, preferably, the moving mechanism includes installation frame, the top of the installation frame is fixedly connected with the bottom of top frame, the bottom of the installation frame is fixedly connected with the top of workbench, the top of the inner chamber of installation frame is rotatably connected with positive and negative screw rod, the outer side of positive and negative screw rod is threadedly connected with silk block, the outer side of silk block is fixedly connected with moving rod, the bottom of positive and negative screw rod is fixedly connected with the top of rotating rod.

[0008] The utility model provides a kind of special equipment tensile property detection equipment of elevator cable, preferably, the fixed mechanism includes fixed frame, the outer side of the fixed frame is fixedly connected with the outer side of tension sensor, the inner chamber of fixed frame is fixedly connected with limit wheel.

[0009] The utility model provides a kind of special equipment tensile property detection equipment of elevator cable, preferably, the fixed mechanism further includes fixed block, the fixed block is fixed in one side of fixed frame, the inner chamber of fixed block is threadedly connected with fixed rod, and one end of fixed rod is rotatably matched with limit block.

[0010] The utility model provides a kind of special equipment tensile property detection equipment of elevator cable, preferably, the top of the inner chamber of fixed frame is fixedly connected with guide block.

[0011] Compared with prior art, the utility model has the advantages that:

[0012] The special equipment tensile property detection equipment of elevator cable, when rotating rod rotates, can drive positive and negative screw rod to rotate, when positive and negative screw rod rotates, silk block moves, so as to move fixed frame by tension sensor, make two fixed frames away from each other, so as to carry out tensile property detection to cable in fixed frame, in the process of stretching cable, limit wheel is attached to the outer side of cable, and cable is fixed by limit wheel and limit block, improve the fixing effect of cable, solve the problem that when detecting elevator cable at present, it needs larger clamping force to ensure that it does not slip during pulling detection, and has higher requirement to clamping point. ACCURACY OF DRAWINGS

[0013] Figure 1 The utility model provides a kind of special equipment tensile property detection equipment of elevator cable, preferably, the top of the inner chamber of fixed frame is fixedly connected with guide block.

[0014] Figure 2 It is the partial structure sectional view of the utility model;

[0015] Figure 3 It is the structure schematic diagram of fixed mechanism of the utility model;

[0016] Figure 4 It is the internal structure schematic diagram of fixed mechanism of the utility model.

[0017] The figure label: 1, base; 2, workbench; 3, drive mechanism; 301, motor; 302, first gear; 303, second gear; 304, transmission rod; 305, first bevel gear; 306, rotating rod; 307, second bevel gear; 4, moving mechanism; 401, mounting frame; 402, lead screw; 403, silk block; 404, moving rod; 5, tension sensor; 6, fixing mechanism; 601, fixed frame; 602, limit wheel; 603, fixed block; 604, fixed rod; 605, limit block; 7, top frame; 8, guide block. DETAILED DESCRIPTION

[0018] The utility model will be further explained in connection with the drawings and implementation.

[0019] Please refer to Figure 1 , Figure 2 , Figure 3 And Figure 4 Among them Figure 1 It is the structure schematic drawing of a preferred embodiment of the elevator cable special equipment tensile property detection equipment provided by the utility model; Figure 2 It is the partial structure section view of the utility model; Figure 3 It is the structure schematic drawing of the fixing mechanism of the utility model; Figure 4 It is the internal structure schematic drawing of the fixing mechanism of the utility model.An elevator cable special equipment tensile property detection equipment, including base 1, the top of base 1 is fixedly connected with workbench 2, the inner chamber of workbench 2 is provided with drive mechanism 3, the top of workbench 2 is provided with moving mechanism 4, the outer side of moving mechanism 4 is provided with tension sensor 5, the outer side of tension sensor 5 is provided with fixing mechanism 6, the top of moving mechanism 4 is provided with top frame 7.

[0020] As a technical optimization scheme of the utility model, drive mechanism 3 includes motor 301, motor 301 is installed in the inner chamber of workbench 2, the output end of motor 301 is fixedly connected with first gear 302, the outer side of first gear 302 is meshedly connected with second gear 303, the inner ring of second gear 303 is fixedly connected with transmission rod 304, the outer side of transmission rod 304 is fixedly connected with first bevel gear 305, the outer side of first bevel gear 305 is meshedly connected with second bevel gear 307, the inner ring of second bevel gear 307 is fixedly connected with rotating rod 306, the bottom of rotating rod 306 is rotatably matched with the bottom of the inner chamber of workbench 2.

[0021] In the embodiment, the motor 301 drives the first gear 302 to rotate, the first gear 302 drives the second gear 303 to rotate, thereby driving the transmission rod 304 to drive the first bevel gear 305 to rotate, and the first bevel gear 305 drives the second bevel gear 307 to rotate, thereby driving the rotating rod 306 to rotate.

[0022] As a technical optimization scheme of the utility model, the moving mechanism 4 includes the mounting frame 401, the top of the mounting frame 401 is fixedly connected with the bottom of the top frame 7, the bottom of the mounting frame 401 is fixedly connected with the top of the workbench 2, the top of the inner cavity of the mounting frame 401 is rotatably connected with the reversible screw rod 402, the outer side of the reversible screw rod 402 is threadedly connected with the screw block 403, the outer side of the screw block 403 is fixedly connected with the moving rod 404, and the bottom of the reversible screw rod 402 is fixedly connected with the top of the rotating rod 306.

[0023] In the embodiment, the inner threads of the screw blocks 403 on the outer side of the reversible screw rod 402 are respectively a right thread and a left thread, so that when the reversible screw rod 402 rotates, the two screw blocks 403 on the outer side of the reversible screw rod 402 move towards each other or in opposite directions, when the rotating rod 306 rotates, the reversible screw rod 402 can be driven to rotate, and when the reversible screw rod 402 rotates, the screw blocks 403 move, thereby driving the fixing mechanism 6 to move through the tension sensor 5.

[0024] As a technical optimization scheme of the utility model, the fixing mechanism 6 includes the fixing frame 601, the outer side of the fixing frame 601 is fixedly connected with the outer side of the tension sensor 5, and the inner cavity of the fixing frame 601 is fixedly connected with the limiting wheel 602.

[0025] The fixing mechanism 6 further includes the fixed block 603, the fixed block 603 is fixed to one side of the fixing frame 601, the inner cavity of the fixed block 603 is threadedly connected with the fixed rod 604, and one end of the fixed rod 604 is rotatably connected with the limiting block 605.

[0026] In the embodiment, the outer side of the cable is attached to the outer side of the limiting wheel 602, then the end of the cable is pulled, the end of the cable passes between the limiting block 605 and the limiting wheel 602, then the fixed rod 604 is rotated, the fixed rod 604 drives the limiting block 605 to move, and the limiting wheel 602 is used for clamping and limiting the cable.

[0027] As a technical optimization scheme of the utility model, the top of the inner cavity of the fixing frame 601 is fixedly connected with the guide block 8.

[0028] In the embodiment, the guide block 8 is arranged, the end of the cable is guided, and the end of the cable passes between the limiting wheel 602 and the limiting block 605.

[0029] The working principle of the special equipment tensile property detection equipment for elevator cable provided by the utility model is as follows:

[0030] In use of the device, the outer side of the cable is attached with the outer side of the limiting wheel 602, then the end of the cable is pulled to make the end of the cable pass between the limiting block 605 and the limiting wheel 602, then the fixed rod 604 is rotated to make the fixed rod 604 drive the limiting block 605 to move, the limiting wheel 602 is cooperated to clamp and limit the cable, the first gear 302 is driven to rotate by the motor 301, the second gear 303 is driven to rotate by the rotation of the first gear 302, then the transmission rod 304 is driven to rotate, the first bevel gear 305 is driven to rotate by the second bevel gear 307, then the rotating rod 306 is driven to rotate, the positive and negative lead screw 402 is driven to rotate by the rotation of the rotating rod 306, the lead block 403 is moved by the rotation of the positive and negative lead screw 402, then the fixed frame 601 is moved by the tension sensor 5, the two fixed frames 601 are away from each other, then the cable in the fixed frame 601 is detected in the tensile property, in the process of stretching the cable, the outer side of the cable is attached with the limiting wheel 602, the friction force of the contact surface of the cable with the limiting wheel 602 is increased due to the stretching state of the cable, the cable is fixed by the limiting wheel 602 cooperated with the limiting block 605, the fixing effect of the cable is improved.

[0031] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion by the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A device for testing the tensile strength of elevator cables, characterized in that, Includes a base (1), a workbench (2) is fixedly connected to the top of the base (1), a drive mechanism (3) is provided in the inner cavity of the workbench (2), a moving mechanism (4) is provided on the top of the workbench (2), a tension sensor (5) is provided on the outside of the moving mechanism (4), a fixing mechanism (6) is provided on the outside of the tension sensor (5), and a top frame (7) is provided on the top of the moving mechanism (4).

2. The tensile strength testing equipment for elevator cables as described in claim 1, characterized in that, The drive mechanism (3) includes a motor (301), which is installed in the inner cavity of the workbench (2). The output end of the motor (301) is fixedly connected to a first gear (302). The outer side of the first gear (302) is meshed with a second gear (303). The inner ring of the second gear (303) is fixedly connected to a transmission rod (304). The outer side of the transmission rod (304) is fixedly connected to a first bevel gear (305). The outer side of the first bevel gear (305) is meshed with a second bevel gear (307). The inner ring of the second bevel gear (307) is fixedly connected to a rotating rod (306). The bottom of the rotating rod (306) is rotatably engaged with the bottom of the inner cavity of the workbench (2).

3. The tensile strength testing equipment for elevator cables as described in claim 2, characterized in that, The moving mechanism (4) includes a mounting frame (401), the top of which is fixedly connected to the bottom of the top frame (7), the bottom of which is fixedly connected to the top of the workbench (2), a positive and negative lead screw (402) is rotatably connected to the top of the inner cavity of the mounting frame (401), a lead block (403) is threadedly connected to the outer side of the positive and negative lead screw (402), a moving rod (404) is fixedly connected to the outer side of the lead block (403), and the bottom of the positive and negative lead screw (402) is fixedly connected to the top of the rotating rod (306).

4. The tensile strength testing equipment for elevator cables as described in claim 1, characterized in that, The fixing mechanism (6) includes a fixing frame (601), the outer side of the fixing frame (601) is fixedly connected to the outer side of the tension sensor (5), and the inner cavity of the fixing frame (601) is fixedly connected to a limit wheel (602).

5. The tensile strength testing equipment for elevator cables as described in claim 4, characterized in that, The fixing mechanism (6) further includes a fixing block (603), which is fixed to one side of the fixing frame (601). The fixing block (603) has a fixing rod (604) threadedly connected to its inner cavity, and one end of the fixing rod (604) is rotatably engaged with a limit block (605).

6. The tensile strength testing equipment for elevator cables as described in claim 4, characterized in that, A guide block (8) is fixedly connected to the top of the inner cavity of the fixed frame (601).