A device for detecting tensile strength of an insulator and a method thereof
By designing an insulator tensile strength testing device with clamping components and simulation modules, the error problem caused by the difference between the testing state and the usage state was solved, and the accurate testing of the insulator tensile strength was achieved.
Patent Information
- Application Number
- CN202510608657.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2045-05-13
AI Technical Summary
Existing tensile strength testing methods for insulators have significant errors due to the difference between actual usage conditions and testing conditions.
An insulator tensile strength testing device was designed, including a clamping assembly, a multi-position simulation module, and an adaptive testing module. It can simulate the actual use state of insulators in different installation environments. The clamping assembly ensures stability, the multi-position simulation module adjusts the angle and position, and the adaptive testing module provides real-time feedback of tensile force data to ensure the accuracy of the test.
This effectively reduces the error in the test results, accurately reflects the tensile strength of the insulator in actual use, and improves the accuracy and reliability of the test.
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Figure CN120385560B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of insulator performance detection, and in particular to a device for detecting the tensile strength of an insulator and a method thereof. BACKGROUND
[0002] An insulator is a vital component in a power system, and its main function is to isolate a wire from a tower to prevent the wire from grounding, thereby ensuring the normal operation of the power system. The tensile strength of an insulator is one of its key properties, and directly affects its durability and safety.
[0003] New composite material insulators have been widely used, and the tensile detection is usually performed on a horizontal tension machine. The insulator is usually in a suspended state during use, and the conventional horizontal pulling is obviously different from the actual use state, so there is a large error in the detection result. SUMMARY
[0004] The present application discloses a device for detecting the tensile strength of an insulator and a method thereof, and aims to solve the technical problem of the large error in the detection result caused by the difference between the actual use state and the tensile detection of the insulator in the background art.
[0005] The device for detecting the tensile strength of an insulator according to the present application comprises:
[0006] A detection box, a control box is fixedly connected to the front side of the detection box, and the control box is used to start and stop the elements in the detection box and analyze and issue a report;
[0007] A fixed table is fixedly connected to one end of the detection box away from the control box;
[0008] A movable table is movably connected to the detection box and located between the fixed table and the control box;
[0009] Two clamping assemblies are arranged on opposite sides of the fixed table and the movable table, respectively, and are used to clamp the insulator. Anti-disengagement assemblies are arranged on the two clamping assemblies, and are used to detect the stability of the clamped insulator;
[0010] A multi-position simulation module is located between the fixed table and one clamping assembly, and is used to simulate the actual installation environment of the insulator;
[0011] An adaptive detection module is located between the movable table and the other clamping assembly, and is used for angle adjustment and data feedback during the tensile detection of the insulator.
[0012] In a preferred scheme, the clamping assembly comprises:
[0013] A sleeve seat, a front seat is fixedly connected to the front end of the sleeve seat, an installation hole is formed in the front seat, and a clamping type hydraulic cylinder is fixedly connected inside the installation hole;
[0014] Pull frame, slidingly connected to the inside of the sleeve, the telescopic end of the clamping hydraulic cylinder is fixedly connected with the pull frame, three movable connecting blocks are movably connected on the pull frame.
[0015] In a preferred embodiment, the clamping assembly further comprises:
[0016] Three clamping claws, the front end of each of the three clamping claws is fixedly connected with a pressure head, each of the three clamping claws is provided with a turnover hole and a pulling hole, a short shaft is arranged in each of the turnover holes, the clamping claw and the front seat are rotatably connected through bearings, and each of the three movable connecting blocks is provided with a connecting shaft, the connecting shaft is rotatably connected through bearings in the inside of the pulling hole.
[0017] In a preferred embodiment, the anti-dropping assembly comprises:
[0018] The attachment block is arranged on the outside of the sleeve, a through sliding slot is formed in the attachment block, and a locking box is fixedly connected to the attachment block, a threaded hole is formed in the locking box, and the threaded hole communicates with the sliding slot through the locking box;
[0019] The contact sensor is located on the outside of the front seat and is used to contact the clamped insulator to determine its position information, so as to prevent the insulator from sliding after being clamped and causing the insulator to fall off;
[0020] The horizontal frame is slidingly connected in the sliding slot of the attachment block and is fixedly connected to the contact sensor at one end;
[0021] The locking bolt is rotatably connected in the threaded hole of the locking box through the inner wall threads, and the lower end of the locking bolt is in contact with the horizontal frame to fix the position of the horizontal frame.
[0022] In a preferred embodiment, the multi-position simulation module comprises:
[0023] The rotating table is rotatably connected to the fixed table, the fixed table is fixedly connected with a rotating motor, the output shaft of the rotating motor is connected with a rotating shaft through a shaft coupling, the other end of the rotating shaft is fixedly connected with the rotating table through the fixed table, and a sliding slot is formed in the rotating table, and the rotating table is rotated to adjust the pulling angle of the insulator during detection.
[0024] The lifting seat is slidingly connected in the sliding slot of the rotating table, a threaded hole is formed in the lifting seat, and a lifting motor is fixedly connected to the rotating table, the output shaft of the lifting motor is connected with a positioning screw rod through a shaft coupling, the other end of the positioning screw rod passes through the threaded hole of the lifting seat, and the lifting seat is lifted to further adjust the pulling angle of the insulator during detection.
[0025] In a preferred embodiment, the multi-position simulation module further comprises:
[0026] The simulation seat is fixedly connected with the sleeve seat, and a plug block is fixedly connected to one side of the simulation seat close to the lifting seat.
[0027] The locking block is inserted into the insertion hole and the fixing hole, and is used for fixing the connection state of the simulation seat and the lifting seat.
[0028] The simulation seat is used for simulating the actual use environment of the insulator, and the simulation seat and the lifting seat are fixed by the locking block for conventional pulling detection, and the simulation seat and the lifting seat are fixed by the steel wire for simulating the actual state pulling detection.
[0029] In a preferred scheme, the adaptive detection module comprises:
[0030] The fixed seat is fixedly connected to the movable table.
[0031] The adaptive seat is located between the sleeve seat and the movable table, the sleeve seat is fixedly connected with the adaptive seat, and the adaptive seat is provided with a connecting ball on the side close to the movable table.
[0032] The receiving seat is located between the fixed seat and the adaptive seat, and a spherical mounting block is fixedly connected to one side of the receiving seat close to the adaptive seat, and the connecting ball is movably connected in the spherical mounting block, and the receiving seat is used for maintaining the movable connection state between the clamping assembly and the movable table.
[0033] The tension sensor is fixedly connected between the fixed seat and the receiving seat, and is used for detecting the real-time feedback of the tension value.
[0034] In a preferred scheme, the movable table is fixedly connected with an outer frame on both sides, two symmetrical sliding grooves are formed on the upper side of the detection box, the outer frames are respectively slidably connected in the two sliding grooves, and a threaded hole is formed on the movable table, a detection motor is fixedly connected to the outer side of the detection box, a detection screw rod is connected to the output shaft of the detection motor through a shaft coupling, the other end of the detection screw rod passes through the threaded hole of the movable table, and the detection screw rod is rotated to drive the movable table to move.
[0035] In a preferred scheme, the inside of the detection box is provided with a waste box, the inside of the waste box is provided with two symmetrical material falling plates, the two material falling plates are both in a slope shape, and the lower ends of the two material falling plates are provided with a same collection bin.
[0036] A method for detecting the tensile strength of an insulator, using the device for detecting the tensile strength of an insulator as described above, comprising the following steps:
[0037] Step one, adjust the position of the movable table according to the length of the insulator to be detected, then fix the insulator by using the two clamping assemblies, and determine the position information of the insulator by using the anti-dropping assembly.
[0038] Step two, start the detection motor to carry out the insulator tensile strength detection, the tension value does not exceed the preset tensile strength during detection;
[0039] Step three, after meeting the preset tensile strength, the multi-position analog module is used to enter the actual environment simulation state, and the movable table and the anti-drop assembly are adjusted again;
[0040] Step four, the detection motor is started again to carry out the tensile strength detection, and the multi-position analog module is assisted to ensure that the actual use environment is simulated.
[0041] As can be seen from the above, the device for insulator tensile strength detection provided by the application can provide two different installation environments, simulate the actual use state of the insulator, effectively obtain the tensile strength of the insulator in the actual use state, and ensure the accuracy of the tensile detection result. BRIEF DESCRIPTION OF DRAWINGS
[0042] Figure 1 It is a whole structure schematic view of the device for insulator tensile strength detection provided by the application;
[0043] Figure 2 It is a front view structure schematic view of the device for insulator tensile strength detection provided by the application;
[0044] Figure 3 It is a detection box structure schematic view of the device for insulator tensile strength detection provided by the application;
[0045] Figure 4 It is a clamping assembly structure schematic view of the device for insulator tensile strength detection provided by the application;
[0046] Figure 5 It is an anti-drop assembly structure schematic view of the device for insulator tensile strength detection provided by the application;
[0047] Figure 6 It is a movable table structure schematic view of the device for insulator tensile strength detection provided by the application;
[0048] Figure 7 It is an adaptive detection module structure schematic view of the device for insulator tensile strength detection provided by the application;
[0049] Figure 8 It is a fixed table structure schematic view of the device for insulator tensile strength detection provided by the application;
[0050] Figure 9 It is a multi-position analog module structure schematic view of the device for insulator tensile strength detection provided by the application;
[0051] Figure 10 The application provides a lifting seat and simulation seat structure diagram of a device for detecting tensile strength of an insulator.
[0052] In the figure: 1, detection box; 2, control box; 3, fixed table; 4, movable table; 5, clamping assembly; 501, sleeve seat; 502, front seat; 503, pulling frame; 504, clamping claw; 505, pressure head; 506, turnover hole; 507, pulling hole; 508, movable position connecting block; 509, clamping hydraulic cylinder; 6, multi-position simulation module; 601, rotary table; 602, rotary motor; 603, lifting seat; 604, lifting motor; 605, position adjusting screw rod; 606, simulation seat; 607, plug block; 608, steel wire rope; 609, locking block; 610, plug hole; 611, fixed hole; 7, adaptive detection module; 701, fixed seat; 702, bearing seat; 703, tensile sensor; 704, spherical mounting block; 705, adaptive seat; 706, connecting ball; 8, anti-disengagement assembly; 801, additional block; 802, locking box; 803, contact sensor; 804, cross frame; 805, locking bolt; 9, external frame; 10, detection motor; 11, detection screw rod; 12, waste box; 13, blanking plate; 14, collection bin. DETAILED DESCRIPTION
[0053] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, rather than all the embodiments of the application.
[0054] The device for detecting tensile strength of an insulator disclosed by the application is mainly applied to the scene that the detection result of the tensile detection of the insulator is greatly different due to the difference in actual use state.
[0055] Reference Figures 1-10 A device for detecting tensile strength of an insulator, comprising:
[0056] The detection box 1 is fixedly connected with the control box 2 at the front side, and the control box 2 is used for starting and stopping elements in the detection box 1 and analyzing and providing a report;
[0057] The fixed table 3 is fixedly connected to one end of the detection box 1 away from the control box 2;
[0058] The movable table 4 is movably connected to the detection box 1 and located between the fixed table 3 and the control box 2;
[0059] The two clamping assemblies 5 are arranged on the opposite sides of the fixed table 3 and the movable table 4 respectively and are used for clamping the insulator, and the two clamping assemblies 5 are provided with the anti-disengagement assemblies 8 for detecting the stability of the clamped insulator.
[0060] A plurality of simulation modules 6 are arranged between the fixed table 3 and a clamping assembly 5, and are used for simulating the actual installation environment of the insulator;
[0061] An adaptive detection module 7 is arranged between the movable table 4 and another clamping assembly 5, and is used for angle adjustment and data feedback in the tensile strength detection process of the insulator.
[0062] The device can provide two different installation environments, so as to simulate the actual use state of the insulator, and the tensile strength detection under such a state can effectively obtain the tensile strength of the insulator in actual use, thereby ensuring the accuracy of the tensile strength detection result; the clamping assembly 5 can clamp the insulator during detection, and the anti-falling assembly 8 can ensure the position of the clamped and fixed insulator, so as to avoid the insulator from falling due to untimely discovery.
[0063] Referring to Figure 3 , Figure 4 and Figure 5 , in a preferred embodiment, the clamping assembly 5 comprises:
[0064] A sleeve 501 is fixedly connected with a front seat 502 at the front end, the front seat 502 is provided with a mounting hole, and a clamping hydraulic cylinder 509 is fixedly connected in the mounting hole;
[0065] A pulling frame 503 is slidingly connected in the sleeve 501, the telescopic end of the clamping hydraulic cylinder 509 is fixedly connected with the pulling frame 503, and three movable connecting blocks 508 are movably connected on the pulling frame 503.
[0066] In the application, the clamping assembly 5 further comprises:
[0067] Three clamping claws 504 are fixedly connected with a pressure head 505 at the front end, a turnover hole 506 and a pulling hole 507 are arranged on the three clamping claws 504, a short shaft is arranged in the turnover hole 506, the clamping claw 504 is rotatably connected with the front seat 502 through a bearing, and a connecting shaft is arranged on each of the three movable connecting blocks 508 and rotatably connected with the pulling hole 507 through a bearing.
[0068] Specifically, the top end of the insulator is placed in the position of the clamping claw 504, the clamping hydraulic cylinder 509 is started to contract to drive the pulling frame 503 to approach the front seat 502, the movable connecting block 508 is deflected on the pulling frame 503 and applies a pushing force to the clamping claw 504, and the three clamping claws 504 are turned over on the front seat 502 and approach each other to clamp the top end of the insulator;
[0069] In a specific application scenario, the clamping assembly 5 is suitable for clamping and fixing the insulator during detection, that is, the clamping assembly 5 clamps and fixes the insulator from both ends by using three clamping claws 504, so as to meet the subsequent tensile detection operation. The three-claw fixing mode can effectively ensure the stability of the clamping and fixing of the insulator, and at the same time, this fixing mode can meet the clamping and fixing requirements of insulators of different specifications, thereby improving the application range of the device.
[0070] With reference to Figure 4 and Figure 5 In a preferred embodiment, the anti-falling assembly 8 comprises:
[0071] An auxiliary block 801 is arranged outside the sleeve seat 501, a sliding groove is formed through the auxiliary block 801, and a locking box 802 is fixedly connected to the auxiliary block 801, a threaded hole is formed in the locking box 802, and the threaded hole communicates with the sliding groove through the locking box 802;
[0072] A contact sensor 803 is located outside the front seat 502 and is used to contact the clamped insulator to determine the position information of the insulator, so as to prevent the insulator from sliding after being clamped and causing falling.
[0073] A horizontal frame 804 is slidingly connected in the sliding groove of the auxiliary block 801 and is fixedly connected to the contact sensor 803 at one end;
[0074] A locking bolt 805 is threadedly connected to the threaded hole in the locking box 802, and the lower end of the locking bolt 805 is in contact with the horizontal frame 804 to fix the position of the horizontal frame 804.
[0075] Specifically, after the insulator is clamped, the locking bolt 805 is loosened, the horizontal frame 804 is moved so that the contact sensor 803 is in contact with the top end of the insulator, then the locking bolt 805 is tightened, and the control box 2 receives the state information of the contact sensor 803.
[0076] In a specific application scenario, the anti-falling assembly 8 is suitable for locking the position of the insulator after being fixed and installed, that is, the anti-falling assembly 8 directly contacts the top end of the fixed insulator by using the contact sensor 803 to determine the position information of the insulator, so as to avoid loosening of the clamping part during the subsequent pulling detection process and to timely find that the insulator falls from the clamping assembly 5 to cause impact and damage to the device.
[0077] With reference to Figure 8 , Figure 9 and Figure 10 In a preferred embodiment, the multi-position analog module 6 comprises:
[0078] The rotating table 601 is rotationally connected to the fixed table 3, the fixed table 3 is fixedly connected with a rotating motor 602, the output shaft of the rotating motor 602 is connected with a rotating shaft through a shaft coupling, the other end of the rotating shaft is fixedly connected with the rotating table 601 through the fixed table 3, and a sliding groove is formed in the rotating table 601, and the rotating table 601 is rotated to adjust the pulling angle of the insulator during detection.
[0079] The lifting seat 603 is slidingly connected in the sliding groove of the rotating table 601, the lifting seat 603 is provided with a threaded hole, and the rotating table 601 is fixedly connected with a lifting motor 604, the output shaft of the lifting motor 604 is connected with a positioning screw rod 605 through a shaft coupling, and the other end of the positioning screw rod 605 passes through the threaded hole of the lifting seat 603, and the lifting seat 603 is lifted to further adjust the pulling angle of the insulator during detection.
[0080] In the application, the multi-position simulation module 6 further comprises:
[0081] The simulation seat 606 is located between the lifting seat 603 and the sleeve seat 501, the simulation seat 606 is fixedly connected with the sleeve seat 501, the simulation seat 606 is fixedly connected with an insertion block 607 on the side close to the lifting seat 603, the insertion block 607 is fixedly connected with the same steel wire rope 608 in the inner cavity of the lifting seat 603, and the insertion block 607 is provided with a fixed hole 611, and the lifting seat 603 is provided with an insertion hole 610.
[0082] The locking block 609 is inserted into the insertion hole 610 and the fixed hole 611, and is used for fixing the connection state of the simulation seat 606 and the lifting seat 603.
[0083] The simulation seat 606 is used for simulating the actual use environment of the insulator, the simulation seat 606 and the lifting seat 603 are fixed by the locking block 609, and are used for conventional pulling detection, and the simulation seat 606 and the lifting seat 603 are fixed by the steel wire rope 608, and are used for simulating the actual state pulling detection.
[0084] Specifically, the tensile detection is divided into conventional detection and detection under a simulation state.
[0085] The conventional detection is that the insertion block 607 is inserted into the insertion hole 610 and the fixed hole 611, and the lifting seat 603 and the simulation seat 606 are assembled into an integrated body, and at this time, the tensile strength of the insulator in a horizontal state is detected.
[0086] The detection under the simulation state is that the locking block 609 is pulled out to make the insertion block 607 separate from the lifting seat 603, the steel wire rope 608 is in a straightened state after the adjusting device is adjusted, then the lifting motor 604 is started to drive the positioning screw rod 605 to rotate, the position of the lifting seat 603 is changed, the suspension state of the insulator in actual use is simulated, in the detection process, the rotating motor 602 is started to drive the rotating table 601 to rotate according to requirements, the pulling angle of the insulator is changed, and the pulling state of the insulator at different angles in actual use is simulated.
[0087] In a specific application scenario, the multi-bit analog module 6 is suitable for simulating different installation environments in the detection process of the insulator. The multi-bit analog module 6 can provide two simulated environments (tensile strength detection under a conventional horizontal state and tensile strength detection under an actual use environment) in the detection process, and detect the tensile strength of the insulator under different scenarios, thereby effectively ensuring the accuracy of the tensile strength detection result of the insulator. The position of the lifting seat 603 can be adjusted by the lifting motor 604, so that detection under different suspension amplitudes can be realized. The lifting seat 603 can rotate with the rotating table 601 during the detection process, so that detection under different suspension angles can be realized. The combination of the two can effectively simulate the actual installation environment, thereby further ensuring the accuracy of the tensile strength detection result of the insulator.
[0088] Referring to Figure 3 , Figure 6 and Figure 7 , in a preferred embodiment, the adaptive detection module 7 comprises:
[0089] The fixed seat 701 is fixedly connected to the movable table 4.
[0090] The adaptive seat 705 is located between the sleeve seat 501 and the movable table 4. The sleeve seat 501 is fixedly connected to the adaptive seat 705, and the adaptive seat 705 is provided with a connecting ball 706 on the side close to the movable table 4.
[0091] The receiving seat 702 is located between the fixed seat 701 and the adaptive seat 705. The receiving seat 702 is fixedly connected with a spherical mounting block 704 on the side close to the adaptive seat 705. The connecting ball 706 is movably connected in the spherical mounting block 704. The receiving seat 702 is used to maintain the movable connection state between the clamping assembly 5 and the movable table 4.
[0092] The tensile force sensor 703 is fixedly connected between the fixed seat 701 and the receiving seat 702, and is used to feedback the tensile force value in real time during the detection process.
[0093] Specifically, during the detection process, the position of the connecting ball 706 in the spherical mounting block 704 is adjusted automatically with the change of the pulling state. The tensile force data detected is transmitted to the control box 2 in real time through the tensile force sensor 703.
[0094] In a specific application scenario, the adaptive detection module 7 is suitable for the detection process. That is, the adaptive detection module 7 maintains the movable connection state between the clamping assembly 5 and the movable table 4 by using the connecting ball 706 and the spherical mounting block 704, thereby ensuring the smoothness of the subsequent detection process under different pulling angles. The tensile force sensor 703 can feedback the tensile force value in real time, so that the tensile strength data of the insulator is more accurate.
[0095] Referring toFigure 1 、 Figure 3 and Figure 6 In one preferred embodiment, the two sides of the movable table 4 are fixedly connected with outer frames 9, two symmetrical sliding grooves are formed on the upper side of the detection box 1, the outer frames 9 are slidingly connected in the two sliding grooves respectively, screw holes are formed on the movable table 4, a detection motor 10 is fixedly connected to the outer side of the detection box 1, a detection lead screw 11 is connected to the output shaft of the detection motor 10 through a shaft coupling, and the other end of the detection lead screw 11 penetrates through the screw hole of the movable table 4. The detection lead screw 11 is rotated to drive the movable table 4 to move.
[0096] Specifically, the detection motor 10 drives the detection lead screw 11 to rotate, the movable table 4 moves towards the control box 2, and the insulator is pulled; the detection motor 10 provides driving force when the insulator is subjected to tensile strength detection.
[0097] Referring to Figure 1 and Figure 3 In one preferred embodiment, a waste box 12 is arranged in the detection box 1, two symmetrical material falling plates 13 are arranged in the waste box 12, the two material falling plates 13 are both in a slope shape, and the lower ends of the two material falling plates 13 are provided with a same collection bin 14.
[0098] Specifically, during detection, the broken pieces of the insulator after being broken will fall on the material falling plates 13 and slide into the collection bin 14 for collection, which is convenient for subsequent cleaning.
[0099] A tensile strength detection method of an insulator, using the device for detecting the tensile strength of an insulator as described above, comprising the following steps:
[0100] Step one, adjusting the position of the movable table 4 according to the length of the insulator to be detected (the detection motor 10 drives the detection lead screw 11 to rotate, and the movable table 4 moves on the detection box 1), then fixing the insulator by using the two clamping assemblies 5 (placing the top end of the insulator on the clamping jaw 504, starting the clamping type hydraulic cylinder 509 to retract the pulling frame 503 to approach the front seat 502, the live connection block 508 is deflected on the pulling frame 503 and applies a pushing force to the clamping jaw 504, and the three clamping jaws 504 are turned on the front seat 502 to approach each other to clamp the top end of the insulator), and determining the position information of the insulator by using the anti-dropping assembly 8 (after the insulator is clamped, loosening the locking bolt 805, moving the cross frame 804 to make the contact sensor 803 contact with the top end of the insulator, then tightening the locking bolt 805, and the control box 2 receives the state information of the contact sensor 803);
[0101] Step two, start the detection motor 10 to carry out the anti-tensile strength detection of the insulator, the tensile force value does not exceed the preset anti-tensile strength during the detection (the detection motor 10 drives the detection lead screw 11 to rotate, the movable table 4 moves to the control box 2, the insulator is pulled, and the tensile force sensor 703 transmits the tensile force data to the control box 2);
[0102] Step three, after meeting the preset anti-tensile strength, the multi-position analog module 6 is used to enter the actual environment simulation state, and the movable table 4 and the anti-disengagement assembly 8 are adjusted again (the lock block 609 is pulled out to make the plug block 607 disengage from the lifting seat 603, the position of the movable table 4 is adjusted to move to the control box 2, until the steel wire rope 608 is in a straight state, and the anti-disengagement assembly 8 is adjusted again; then the lifting motor 604 is started to drive the position adjusting lead screw 605 to rotate, the position of the lifting seat 603 is changed, and the suspension state of the insulator in actual use is simulated);
[0103] Step four, the detection motor 10 is started again to carry out the anti-tensile strength detection, and the multi-position analog module 6 is assisted to ensure the simulation of the actual use environment (during the detection process, the rotating motor 602 is started to drive the rotating table 601 to rotate according to the requirement, the pulling angle of the insulator changes, the different pulling states of the insulator in actual use are simulated, and the position of the connecting ball 706 in the spherical mounting block 704 is adjusted automatically along with the change of the pulling angle).
[0104] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled 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 device for testing the tensile strength of insulators, characterized in that, include: A testing box, with a control box fixedly connected to its front side. The control box is used to start and stop the components inside the testing box and to generate analysis reports. A fixed platform is fixedly connected to the end of the detection box that is furthest from the control box. The movable platform is movably connected to the testing box and is located between the fixed platform and the control box. Two clamping assemblies are respectively set on one side of the fixed platform and the movable platform to clamp the insulator. Both clamping assemblies are equipped with anti-disengagement components to detect the stability of the insulator after clamping. A multi-position simulation module, located between a fixed platform and a clamping assembly, is used to simulate the actual installation environment of insulators; An adaptive testing module, located between the movable stage and another clamping assembly, is used for angle adjustment and data feedback during the tensile testing process of insulators; The clamping assembly includes: A sleeve base, the front end of which is fixedly connected to a front seat, the front seat having an installation hole, and a clamping hydraulic cylinder being fixedly connected inside the installation hole; The traction frame is slidably connected inside the sleeve, and the telescopic end of the clamping hydraulic cylinder is fixedly connected to the traction frame. Three movable connecting blocks are movably connected on the traction frame. The clamping assembly further includes: Three gripping claws, each with a pressure head fixedly connected to its front end, each gripping claw having a flipping hole and a pulling hole, each flipping hole having a short shaft inside, each gripping claw being rotatably connected to the front seat via bearings, and each of the three movable connecting blocks having a connecting shaft, the connecting shafts being rotatably connected via bearings inside the pulling holes respectively. The anti-detachment component includes: An auxiliary block is set outside the sleeve. A through groove is provided on the auxiliary block, and a locking box is fixedly connected to the auxiliary block. A threaded hole is provided on the locking box, and the threaded hole passes through the locking box and communicates with the groove. The contact sensor, located on the outside of the front seat, is used to contact the clamped insulator to determine its position information, preventing the insulator from slipping after being clamped and thus falling off. The crossbar is slidably connected to the groove of the attached block, and one end is fixedly connected to the contact sensor. A locking bolt, located within the threaded hole of the locking box, is rotatably connected via an inner wall thread. The lower end of the locking bolt contacts the crossbar to fix its position. The multi-position simulation module includes: A rotating table is rotatably connected to a fixed table. A rotary motor is fixedly connected to the fixed table. The output shaft of the rotary motor is connected to a rotating shaft through a coupling. The other end of the rotating shaft passes through the fixed table and is fixedly connected to the rotating table. A sliding groove is provided on the rotating table. The rotation of the rotating table is used to adjust the tension angle of the insulator during testing. A lifting seat is slidably connected to a groove in a rotary table. The lifting seat has a threaded hole, and a lifting motor is fixedly connected to the rotary table. The output shaft of the lifting motor is connected to an adjusting screw via a coupling. The other end of the adjusting screw passes through the threaded hole in the lifting seat. The lifting seat is used to further adjust the tension angle of the insulator during testing. The multi-position analog module also includes: The simulation seat is located between the lifting seat and the sleeve seat. The simulation seat and the sleeve seat are fixedly connected. A plug is fixedly connected to the side of the simulation seat near the lifting seat. The plug is fixedly connected to the inner cavity of the lifting seat with the same steel wire rope. The plug has a fixing hole and the lifting seat has a plug hole. The locking block is inserted into the socket and the fixing hole to fix the connection state of the simulation base and the lifting base. The simulation seat is used to simulate the actual use environment of the insulator. The simulation seat and the lifting seat are fixed by locking blocks for conventional tension testing. The simulation seat and the lifting seat are fixed by steel wire ropes for simulating actual tension testing. Both sides of the movable platform are fixedly connected to external frames. Two symmetrical sliding grooves are opened on the upper side of the detection box, and the external frames are slidably connected in the two sliding grooves respectively. Threaded holes are opened on the movable platform. A detection motor is fixedly connected to the outside of the detection box. The output shaft of the detection motor is connected to a detection lead screw through a coupling. The other end of the detection lead screw passes through the threaded hole of the movable platform. The rotation of the detection lead screw drives the movable platform to move. A waste bin is set inside the detection box. The waste bin has two symmetrical drop plates inside. Both drop plates are sloping, and the lower end of the two drop plates is set with the same collection bin.
2. The device for testing the tensile strength of an insulator according to claim 1, characterized in that, The adaptive detection module includes: Fixed base, fixedly connected to the movable platform; An adapting seat is located between the sleeve and the movable platform. The sleeve and the adapting seat are fixedly connected, and a connecting ball is provided on the side of the adapting seat closest to the movable platform. A receiving seat is located between a fixed seat and an adapting seat. A spherical mounting block is fixedly connected to the side of the receiving seat near the adapting seat. A connecting ball is movably connected within the spherical mounting block. The receiving seat is used to maintain the movable connection between the clamping assembly and the movable stage. The tension sensor is fixedly connected between the fixed base and the receiving base, and is used to detect and provide real-time feedback of the tension value during the process.
3. A method for testing the tensile strength of an insulator, using an apparatus for testing the tensile strength of an insulator as described in claim 2, characterized in that, Includes the following steps: Step 1: Adjust the position of the movable platform according to the length of the insulator to be tested, then use two clamping components to fix the insulator, and use the anti-detachment component to determine the position information of the insulator; Step 2: Start the testing motor to test the tensile strength of the insulator. The tensile force value during this test shall not exceed the preset tensile strength. Step 3: After meeting the preset tensile strength, use the multi-position simulation module to enter the actual environment simulation state, and readjust the moving platform and anti-detachment components; Step 4: Restart the testing motor to perform tensile strength testing. During the process, multiple simulation modules will assist to ensure that the actual usage environment is simulated.
Citation Information
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