Tension testing machine for power line of controller
By designing a controller power cord tensile testing machine, the problem of unstable connection of the controller power cord for electric medical beds was solved, realizing the testing of stability and safety, and ensuring normal operation and market access of the equipment.
Patent Information
- Application Number
- CN202422846202.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Existing technologies are insufficient to effectively test the tensile strength of power cords for controllers used in electric medical beds, leading to loose connections that could cause power outages or electric shocks, and also fail to meet market access standards.
A controller power cord tensile testing machine was designed, comprising a bearing bracket, a support beam, a mounting plate, a frame plate, a clamping mechanism, and a force sensor. The machine achieves stable clamping and tensile testing of the power cord by driving the actuator, and is suitable for controllers of different specifications and models.
The system enables stability and safety testing of the power cord, ensuring the normal operation of the electric medical bed and compliance with market access standards.
Smart Images

Figure CN223470792U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of controller related equipment, especially to a controller power cord tension testing machine. BACKGROUND
[0002] The controller for the electric medical bed needs to test the tension of the power cord. During use, the power cord may be pulled for various reasons, such as unintentional pulling by patients or medical staff, equipment movement, etc. If the power cord connection is not firm, it may loosen or fall off under tension, causing the equipment to lose power, affecting patient care, and even causing electric shock and other safety accidents in the case of live wires. The frequent use of medical beds requires high reliability of their components, so the power cord must be tested for tension. Power cord tension testing can test the stability of the power cord connection to the controller, prevent poor contact due to repeated stress during long-term use, and ensure that the controller can send commands to the motor and other components stably, allowing the electric medical bed to function normally, such as lifting, posture adjustment, etc. As a medical device, the electric medical bed must pass this test to meet standard requirements and obtain market access qualifications. Representative power cord samples must be selected for testing to cover different specifications, models, and production batches to fully evaluate product quality consistency and reliability. Therefore, a testing device for electric medical bed controllers of different specifications and models is needed. SUMMARY
[0003] The utility model aims at solving the above-mentioned defects, provides a kind of controller power cord tension testing machine.
[0004] To overcome the defects in the background art, the utility model solves the technical problems by adopting the following technical scheme: a controller power cord tension testing machine includes a bearing support, a support beam connected to the bearing support in the X-axis direction, and two installation slides connected to the support beam in the Y-axis direction, and a window is provided on the installation slides for passing the power cord.
[0005] A frame plate is provided between the bearing support and the sliding mechanism to move the frame plate in the Z-axis direction, and a force sensor is provided between the sliding mechanism and the frame plate, and a clamping mechanism is provided on the frame plate to clamp the power cord.
[0006] A drive execution mechanism is provided on the bearing support, and the output end of the drive execution mechanism is connected to the support beam to move the support beam in the X-axis direction.
[0007] Further improvements include the use of an electric push rod or a pneumatic rod for the drive execution mechanism.
[0008] Further improvement, including the sliding mechanism comprises a guide rail and a sliding block connected on the guide rail.
[0009] Further improvement, including the clamping mechanism comprises two clamping plates, wherein one of the clamping plates is provided with a bolt, and the bolt is connected with a threaded hole opened on the other clamping plate, so that the clamping plate clamps the power cord, the opposite surface of the clamping plate is respectively provided with an arc-shaped groove matched with the power cord, and one of the clamping plates is connected with the frame-shaped plate.
[0010] Further improvement, including the arc-shaped groove is provided with knurling on the inner wall.
[0011] The beneficial effects of the utility model are: through the design, the power cord of the controller can be tension tested, and the controller of different size and specification can be applied, and the stability and safety of the power cord connection are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0012] The utility model is further described below in combination with the drawings and examples.
[0013] Figure 1 is the top view of the utility model;
[0014] Figure 2 is the front view of the utility model;
[0015] Figure 3 is the front view of the clamping mechanism in the utility model;
[0016] In the drawing, 1-force sensor, 2-clamping mechanism, 3-frame-shaped plate, 4-guide rail, 5-sliding block, 6-bearing support, 7-mounting sliding plate, 8-supporting beam, 9-driving execution mechanism, 10-window;
[0017] 201-clamping plate, 202-bolt, 203-arc-shaped groove, 204-threaded hole. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. The embodiments in the basic utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0019] According to Figure 1 and Figure 2As shown, a controller power cord tension testing machine comprises a bearing support 6, a support beam 8 connected to the bearing support 6 to move in the X-axis direction, and two installation slides 7 connected to the support beam 8 to move in the Y-axis direction, and a frame-shaped plate 3 connected to the installation slides 7 to install a controller of an electric medical bed, and a window 10 is formed on the frame-shaped plate 3 to pass through the power cord.
[0020] A frame-shaped plate 3 is provided with a sliding mechanism between the bearing support 6 to move in the Z-axis direction, and a force sensor 1 is further provided between the sliding mechanism and the frame-shaped plate 3, so that the frame-shaped plate 3 can detect the pulling force of the power cord when the force sensor 1 is pressed, and a clamping mechanism 2 is further provided on the frame-shaped plate 3 to clamp the power cord.
[0021] A driving execution mechanism 9 is provided on the bearing support 6, and the output end of the driving execution mechanism 9 is connected to the support beam 8 to drive the support beam 8 to move in the X-axis direction, so that the power cord can be pulled to make the frame-shaped plate 3 apply force to the force sensor 1.
[0022] In this embodiment, the driving execution mechanism 9 is preferably an electric push rod or a pneumatic rod.
[0023] In this embodiment, the sliding mechanism comprises a guide rail 4 and a sliding block 5 connected to the guide rail 4, so that the frame-shaped plate 3 can move in the Z-axis direction, and thus can be suitable for controllers of different sizes and specifications.
[0024] In this embodiment, as shown, Figure 3 The clamping mechanism 2 comprises two clamping plates 201, one of which is provided with a bolt 202, and the bolt 202 is connected to a threaded hole 204 formed on the other clamping plate 201, so that the clamping plate 201 can clamp the power cord to facilitate the connection of the power plug and the controller for testing. An arc-shaped groove 203 matching the power cord is formed on the opposite surface of the clamping plate 201, and one of the clamping plates 201 is connected to the frame-shaped plate 3. The purpose of configuring the arc-shaped groove 203 is to avoid excessive deformation of the power cord and to protect the power cord during testing.
[0025] In further embodiments, the inner wall of the arc-shaped groove 203 is provided with knurling, which can increase the friction and strengthen the inner wall of the arc-shaped groove 203, avoid the movement of the power cord in the arc-shaped groove 203 during testing, and ensure the stability and accuracy of the test.
[0026] Working principle: first, the controller is installed on the installation slide plate 7, then the power cord is clamped by the clamping mechanism 2, after completion, the plug of the power cord is connected with the controller through the window 10, when the driving execution mechanism 9 pushes the support beam 8 to move, the power cord is in a continuous taut state, at this time, the frame-shaped plate is adaptively adjusted and moved in Z direction, the installation slide plate 7 is adaptively adjusted and moved in Y direction, thereby ensuring that the stress is in the same straight line, so as to ensure the accuracy of detection, and it is suitable for controllers of different sizes and specifications for detection.
[0027] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A controller power cord pull test machine characterized by, It comprises a bearing support (6), a support beam (8) slidingly connected in the X-axis direction, and two installation sliding plates (7) slidingly connected on the support beam (8) and moving in the Y-axis direction, and a window (10) is formed on the installation sliding plates (7) for passing power lines; A frame-shaped plate (3) is provided with a sliding mechanism between the bearing support (6) to move in the Z-axis direction, and a force sensor (1) is further provided between the frame-shaped plate (3) and the sliding mechanism, and a clamping mechanism (2) is further provided on the frame-shaped plate (3) to clamp power lines; A driving execution mechanism (9) is provided on the bearing support (6), and the output end of the driving execution mechanism (9) is connected with the support beam (8) to drive the support beam (8) to move in the X-axis direction.
2. A controller power cord pull test machine as in claim 1, wherein: The driving execution mechanism (9) is an electric push rod or a pneumatic rod.
3. A controller power cord pull test machine as in claim 1, wherein: The sliding mechanism comprises a guide rail (4) and a sliding block (5) slidingly connected on the guide rail (4).
4. A controller power cord pull test machine as in claim 1, wherein: The clamping mechanism (2) comprises two clamping plates (201), one of the clamping plates (201) is provided with a bolt (202), the bolt (202) is connected with a threaded hole (204) formed on the other clamping plate (201) to clamp the power lines, arc-shaped grooves (203) matching the power lines are respectively formed on the opposite surfaces of the clamping plates (201), and one of the clamping plates (201) is connected with the frame-shaped plate (3).
5. A controller power cord pull test machine as claimed in claim 4, wherein: The inner wall of the arc-shaped groove (203) is provided with knurling.