Insulator horizontal tension test device

Abstract

The utility model relates to the technical field of insulation core rod performance testing, in particular to an insulator horizontal tension test device which comprises a case, a driving device fixedly connected to one side of the case, a tension sensor fixedly connected to the output end of the driving device, a mounting clamp arranged at the other end of the tension sensor, and a connecting assembly arranged in the case. An adjustable screw rod is arranged at one end of the case in a thread meshing manner, and the other end of the adjustable screw rod is connected with the connecting assembly; by arranging the adjustable screw rod, fine adjustment is performed on the adjustable screw rod, uneven stress caused by dimensional deviation of the tested insulator is compensated, it is ensured that when a tension test is performed on a plurality of insulators in the machine box, the stress is uniform and can reach the limit load of the insulators, test errors caused by manufacturing tolerance of the insulators are avoided, and the test efficiency is improved. And the accuracy and reliability of tension test data are improved.

Description

Technical Field

[0001] This application relates to the field of insulating core rod performance testing technology, and in particular to a horizontal tensile testing device for insulators. Background Technology

[0002] To ensure that the insulating core rod can withstand the expected mechanical load in practical applications, its mechanical properties and durability are generally evaluated through tensile testing, thereby ensuring the safety and reliability of related equipment in the power system.

[0003] In tensile testing, multiple insulating core rods are typically tested simultaneously. The insulating core rods at both ends are fixed between the pull head assembly and the tailstock assembly, respectively, and an axial load is applied for testing. However, due to manufacturing tolerances in the insulating core rods, when several are tested together, the insulating core rods at the ends, being constrained, reach the critical position first and begin to bear the main tensile force, while the insulating core rods in the middle, due to length deviations, may not have yet reached their stress limit value. This uneven stress distribution affects the accuracy of the tensile test values ​​and impacts subsequent product quality assessment. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a horizontal tensile testing device for insulators. The technical problem it solves is that the tensile test values ​​measured by the tensile testing device are not accurate enough due to manufacturing tolerances of the insulating core rod. The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0005] A horizontal tensile testing device for insulators, comprising:

[0006] The chassis has an open design, and a drive unit is fixedly installed on one side of the chassis.

[0007] A tension sensor is fixedly connected to the output end of the drive device.

[0008] Install the clamp, and connect the clamp to the tension sensor;

[0009] The connection components are located inside the chassis.

[0010] An adjustable screw is threadedly connected to the chassis, and the other end of the adjustable screw is connected to a connecting assembly.

[0011] Furthermore, a sleeve is provided on the outer circumference of the adjustable screw in a threaded engagement manner, and a support base is provided below the adjustable screw, with the support base located inside the chassis; a locking nut is provided on the adjustable screw in a threaded engagement manner, with the locking nut located outside the chassis, and a handwheel is provided at the end of the adjustable screw.

[0012] Furthermore, the connecting assembly includes a connector A and a connecting rod A. The connecting rod A is located between the two connectors A and is fixedly connected to the connectors A. The connector A has a transverse groove A and a vertical groove A, and the transverse groove A and the vertical groove A are connected.

[0013] Furthermore, the mounting fixture includes a connecting rod B and a connector B. One end of the connecting rod B is connected to a tension sensor, and the other end of the connecting rod B is fixedly connected to the connector B. The connector B has a horizontal groove B and a vertical groove B, which are connected to each other.

[0014] Furthermore, the connecting surface between the horizontal groove A and the vertical groove A is an arc-shaped surface A; the connecting surface between the horizontal groove B and the vertical groove B is an arc-shaped surface B.

[0015] Furthermore, a cover is installed on the top of the chassis, and the cover is connected to the chassis on one axial side by a hinge structure.

[0016] Furthermore, a camera is installed on the inner end face of the cover, and a transparent protective shell is fixedly installed on the outside of the camera. The transparent protective shell is fixedly connected to the cover, and the camera is connected to an external control device.

[0017] The beneficial effects of this utility model are: by setting an adjustable screw, the adjustable screw can be finely adjusted to compensate for the uneven force caused by the size deviation of the insulator under test, ensuring that the several insulators located in the casing are subjected to uniform force and can all reach their limit load during the tensile test, avoiding test errors caused by the manufacturing tolerance of the insulator itself, and improving the accuracy and reliability of the tensile test data.

[0018] By setting up a connecting component, the end of the insulator can be directly snapped into the groove of the connector, enabling the rapid clamping of several insulators, simplifying the insulator installation process, and effectively improving testing efficiency.

[0019] By installing a cover and a camera, the cover can prevent the tested object from breaking and causing fragments to fly out of the casing, ensuring the operator's personal safety; the camera can monitor the status of the tested object in real time and transmit the image data to the external control device, so that the operator can observe the real-time status of the tested object in a timely manner. Attached Figure Description

[0020] Figure 1 This is a top view structural diagram of the present invention (without an inorganic cover).

[0021] Figure 2 This is a top view of the connecting component of this utility model.

[0022] Figure 3 This is a three-dimensional structural diagram of the connecting component of this utility model.

[0023] Figure 4This is a three-dimensional structural diagram of the installation clamp of this utility model.

[0024] Figure 5 This is a top view schematic diagram of the structure of this utility model (with an organic cover).

[0025] Figure 6 This is a partial bottom view of the structure of this utility model.

[0026] Figure 7 This is a schematic diagram of the insulator mechanism of this utility model.

[0027] In the picture:

[0028] 1. Chassis; 2. Drive unit; 3. Tension sensor; 4. Mounting fixture; 41. Connecting rod B; 42. Connector B; 421. Horizontal groove B; 422. Vertical groove B; 5. Connecting assembly; 51. Connector A; 511. Horizontal groove A; 512. Vertical groove; 52. Connecting rod A; 6. Adjustable screw; 7. Sleeve; 8. Support base; 9. Locking nut; 10. Handwheel; 11. Arc surface A; 12. Arc surface B; 13. Cover; 14. Camera; 15. Transparent protective shell; 16. Insulator. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the utility model will now be described in further detail with reference to the accompanying drawings and the following embodiments, so that the public can better understand the implementation method of this utility model. The specific implementation scheme of this utility model is as follows:

[0030] A horizontal tensile testing device for insulators includes a housing 1 with an open design. A drive device 2 is fixedly connected to one side of the housing 1, and a tensile sensor 3 is fixedly connected to the output end of the drive device 2. A mounting clamp 4 is provided at the other end of the tensile sensor 3. A connecting assembly 5 is provided inside the housing 1. An adjustable screw 6 is provided at one end of the housing 1 via a threaded engagement, and the other end of the adjustable screw 6 is connected to the connecting assembly 5. By setting the adjustable screw 6, fine adjustments can be made to compensate for the uneven force distribution of the insulator 16 under test due to dimensional deviations. This ensures that the insulators located in the housing 1 are subjected to uniform force during the tensile test and can all reach their ultimate load, avoiding test errors caused by the manufacturing tolerances of the insulators themselves, and improving the accuracy and reliability of the tensile test data.

[0031] It should be noted that the adjustable screw 6 has a sleeve 7 on its outer circumference with thread engagement, and a support base 8 is provided below the adjustable screw 6. The support base 8 is located inside the housing 1. The sleeve 7 can effectively prevent the screw from rotating when under tension, thus enhancing stability. The support base 8 further distributes the force on the adjustable screw 6, further improving the stability and load-bearing capacity of the adjustable screw 6. The adjustable screw 6 has a locking nut 9 with thread engagement, which is located on the outside of the housing 1. A handwheel 10 is provided at the end of the adjustable screw 6. This structure facilitates fine-tuning of the adjustable screw 6.

[0032] It should be noted that the connecting component 5 includes a connector A51 and a connecting rod A52. The connecting rod A52 is located between the two connectors A51 and is fixedly connected to the connectors A51. The connector A51 has a horizontal groove A511 and a vertical groove A512, which are connected to each other. This structure is mainly used to connect insulators, realize the quick clamping of several insulators, simplify the installation process of insulator 16, and effectively improve testing efficiency.

[0033] It should be noted that the mounting fixture 4 includes a connecting rod B41 and a connector B42. One end of the connecting rod B41 is connected to the tension sensor 3, and the other end of the connecting rod B41 is fixedly connected to the connector B42. The connector B42 has a horizontal groove B421 and a vertical groove B422, which are connected to each other. This structure is used to connect the insulator at the head to the tension sensor 3.

[0034] Furthermore, the connecting surface between the horizontal groove A511 and the vertical groove A512 is an arc-shaped surface A11; the connecting surface between the horizontal groove B421 and the vertical groove B422 is an arc-shaped surface B12; this structure ensures that the insulator is stuck in the groove and does not fall off.

[0035] It should be noted that a cover 13 is provided on the top of the chassis 1. The cover 13 is connected to the chassis 1 on one axial side by a hinge structure. The cover 13 can prevent the test object from breaking and causing fragments to fly out of the chassis 1, thus ensuring the personal safety of the operator.

[0036] Furthermore, a camera 14 is provided on the inner end face of the cover 13, and a transparent protective shell 15 is fixedly provided on the outside of the camera 14. The transparent protective shell 15 is fixedly connected to the cover 13, and the camera 14 is connected to the external control device. The camera 14 can monitor the state of the object under test in real time and transmit the image data to the external control device. The operator can observe the real-time state of the object under test in a timely manner.

[0037] The working principle and process of this utility model are as follows:

[0038] The end of the insulator is snapped into the vertical groove B422 of the mounting clamp 4. By applying tension, the end of the insulator is brought into close contact with the arc surface B12. The other end of the insulator is connected to the connector. The other end of the insulator is snapped into the vertical groove A512 of the connector. By applying tension, the other end of the insulator is brought into close contact with the arc surface A11. The remaining insulators are connected in series through the connecting assembly 5. The connector of the tail connecting assembly 5 is snapped into the screw. The adjustable screw 6 is finely adjusted by rotating the handwheel 10, thereby pre-tightening several insulators. The drive device 2 is started. The drive device 2 will apply axial tension to the insulator. The deformation parameters of the insulator are tested by the tension sensor 3, thereby obtaining the ultimate tensile force value of the insulator.

[0039] In the description of this utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "front," "rear," "lower left," "upper right," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Although this utility model has been described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of this utility model described herein.

Claims

1. A horizontal tensile testing device for insulators, characterized in that, include: The chassis (1) is open, and a drive device (2) is fixedly installed on one side of the chassis (1). The tension sensor (3) is fixedly connected to the output end of the drive device (2); The mounting clamp (4) is connected to the tension sensor (3); Connection component (5) is located inside chassis (1); The adjustable screw (6) is threadedly connected to the housing (1), and the other end of the adjustable screw (6) is connected to the connecting assembly (5).

2. The horizontal tensile testing device for insulators according to claim 1, characterized in that: The outer circumferential surface of the adjustable screw (6) is provided with a sleeve (7) in a threaded engagement manner, and a support seat (8) is provided below the adjustable screw (6). The support seat (8) is located inside the chassis (1). The adjustable screw (6) is equipped with a locking nut (9) in a threaded engagement manner. The locking nut (9) is located on the outside of the housing (1). A handwheel (10) is provided at the end of the adjustable screw (6).

3. The horizontal tensile testing device for insulators according to claim 1, characterized in that: The connecting assembly (5) includes a connector A (51) and a connecting rod A (52). The connecting rod A (52) is located between the two connectors A (51). The connecting rod A (52) is fixedly connected to the connectors A (51). The connectors A (51) have a horizontal groove A (511) and a vertical groove A (512). The horizontal groove A (511) and the vertical groove A (512) are connected.

4. The horizontal tensile testing device for insulators according to claim 1, characterized in that: The mounting fixture (4) includes a connecting rod B (41) and a connector B (42). One end of the connecting rod B (41) is connected to the tension sensor (3), and the other end of the connecting rod B (41) is fixedly connected to the connector B (42). The connector B (42) has a horizontal groove B (421) and a vertical groove B (422), which are connected to each other.

5. A horizontal tensile testing device for insulators according to claim 3 or 4, characterized in that: The connecting surface between the horizontal groove A (511) and the vertical groove A (512) is an arc-shaped surface A (11); the connecting surface between the horizontal groove B (421) and the vertical groove B (422) is an arc-shaped surface B (12).

6. The horizontal tensile testing device for insulators according to claim 1, characterized in that: A cover (13) is provided on the top of the chassis (1), and the cover (13) is connected to the chassis (1) on one axial side by a hinge structure.

7. The horizontal tensile testing device for insulators according to claim 6, characterized in that: A camera (14) is provided on the inner end face of the cover (13). A transparent protective shell (15) is fixedly provided on the outside of the camera (14). The transparent protective shell (15) is fixedly connected to the cover (13). The camera (14) is connected to an external control device.

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