Tension testing device for cable detection

Abstract

The invention discloses a tension testing device for cable detection, and relates to the field of tension testing devices, the tension testing device comprises a testing rack, the testing rack is movably provided with a testing pull-up seat, and the testing pull-up seat is provided with a pull-up clamp; the device further comprises a cable position detection device, and the cable position detection device is installed on the test rack. It needs to be explained that in the embodiment of the invention, sudden stop is triggered through mechanical swing of the cable holder, the skew fault can be identified in the initial stage, the tension coaxiality deviation caused by skew cable clamping and deformation and sinking of the pull-up seat is avoided, and the major safety accident of cable collapse is effectively avoided; according to the cable tension test device, the test data distortion caused by such factors is eliminated, the accuracy and repeatability of a cable tension test result are ensured, meanwhile, through reverse mechanical triggering, real-time detection and sudden stop of tiny deformation and sinking of the pull-up seat are realized, and hidden safety hazards are eliminated in advance.

Description

Technical Field

[0001] This invention relates to the field of tensile testing devices, and more particularly to a tensile testing device for cable testing. Background Technology

[0002] Cables are wire products used to transmit electrical energy, information, and convert electromagnetic energy. There are many types of cables, which can be divided into several categories based on their application, structure, and insulation materials. Their basic structure typically consists of a conductor, insulation layer, shielding layer, and protective layer. During production, cables undergo tensile testing using a tensile testing machine to ensure they can withstand mechanical stress during installation and use, thus guaranteeing the safe and stable operation of power and communication systems.

[0003] It should be noted that when the tensile testing machine performs tensile testing on cables, the cable is clamped in the upper pull clamp and positioning clamp. Then, the tensile testing machine is started, causing the test upper pull seat to drive the upper pull clamp to stretch the cable. However, the cable clamping is still done manually. This means that if the cable's position is misaligned or tilted during clamping and is not detected in time, it can easily cause the cable to break, slip, or fly off during the stretching process, resulting in personal injury to workers and damage to the equipment. In addition, the test upper pull seat may also experience problems such as sinking, deformation, and hidden structural damage due to mechanical reasons over long-term use. If these problems are not detected in advance, they can also lead to test failure and safety accidents. Summary of the Invention

[0004] The purpose of this invention is to provide a tensile testing device for cable testing, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A tensile testing device for cable testing includes a testing frame, a test pull-up seat movably mounted on the testing frame, a pull-up clamp mounted on the test pull-up seat, and a positioning clamp mounted on the testing frame. It also includes a cable position detection device, which is mounted on the test frame and is used to actively detect the position of the cable. The cable position detection device includes two cable retainers, and two opening and closing slides are slidably mounted on the test frame. Each of the two opening and closing slides is equipped with an emergency stop switch, which is electrically connected to the test frame. Each of the two opening and closing slides is equipped with a transfer mounting bracket, and two telescopic push rods are movably mounted on the transfer mounting bracket. The cable retainers are movably mounted on the two telescopic push rods. The emergency stop switch is equipped with a trigger push plate, and both telescopic push rods are in contact with the trigger push plate. The movement of the telescopic push rods triggers the emergency stop switch through the trigger push plate. It also includes a reset synchronization detection device, which is installed on the test frame and is used to detect the position of the test pull-up seat. The reset synchronization detection device includes two rotating detection frames, both of which are rotatably installed on one side of the test frame. An extrusion arc seat is installed on the rotating detection frame. The rotation of the rotating detection frame drives the extrusion arc seat to contact the test pull-up seat, thereby contacting the position of the test pull-up seat.

[0007] Furthermore, in a preferred embodiment of the present invention, the cable position detection device further includes two switch mounting brackets, which are respectively mounted on the two opening and closing slides; A buffer sleeve is installed on the opening and closing slide, and a pressing rod is movably installed inside the buffer sleeve. The emergency stop switch is installed on the pressing rod, and a buffer spring is installed between the buffer sleeve and the pressing rod.

[0008] Furthermore, in a preferred embodiment of the present invention, a connecting seat is installed on the adapter mounting bracket, and two telescopic push-pull grooves are provided on the connecting seat, and the two telescopic push rods are respectively movably installed in the two telescopic push-pull grooves; Two push-pull springs are installed on the inner wall of the telescopic push-pull groove, and the push-pull springs are mounted on the telescopic push rod.

[0009] Furthermore, in a preferred embodiment of the present invention, a movable frame and a rotating seat are installed on one side of the cable retainer, and movable connecting shafts are rotatably installed on both of the telescopic push rods, with the two movable connecting shafts respectively movably installed in the movable frame and the rotating seat.

[0010] Furthermore, in a preferred embodiment of the present invention, the reset synchronization detection device further includes two synchronous horizontal push frames, which are slidably mounted on the two opening and closing slide frames respectively. The synchronous horizontal push frame is equipped with a horizontal push drive plate, and the movement of the horizontal push drive plate is used to drive the rotation detection frame to rotate. A trigger wedge plate is installed on the synchronous horizontal push frame, and a trigger push shaft is installed on one side of the trigger push plate. The movement of the trigger wedge plate pushes the trigger push shaft to move, thereby driving the trigger push plate to move.

[0011] Furthermore, in a preferred embodiment of the present invention, two mounting top seats are installed on one side of the test frame, a pull-down seat is slidably installed on the bottom side of the mounting top seats, and a rotating support is installed on the bottom side of the pull-down seat. The two rotating test frames are respectively rotatably installed on the two rotating supports. A return spring is installed on the inner wall of the mounting top seat, and the return spring is installed on the pull-down seat.

[0012] Furthermore, in a preferred embodiment of the present invention, the rotating support is provided with an unfolding groove, an unfolding shaft is rotatably installed in the unfolding groove, and the rotation detection frame is installed on the unfolding shaft; An unfolding torsion spring is installed on the inner wall of the unfolding slot, and the unfolding torsion spring is mounted on the unfolding shaft.

[0013] Furthermore, in a preferred embodiment of the present invention, a linkage opening and closing device is also included. The linkage opening and closing device is installed on one side of the test frame and is connected to the cable position detection device. The linkage opening and closing device is used to drive the cable position detection device to clamp the cable. The linkage opening and closing device includes two opening and closing linkage frames, both of which are rotatably mounted on one side of the test frame, and the two opening and closing slides are respectively movably mounted on the two opening and closing linkage frames.

[0014] Furthermore, in a preferred embodiment of the present invention, two opening and closing linkage shafts are rotatably mounted on the opening and closing linkage frame, and one of the opening and closing linkage shafts is mounted on one side of the test frame. The opening and closing slide is provided with a linkage sliding hole, and another opening and closing linkage shaft is movably installed in the linkage sliding hole.

[0015] Furthermore, in a preferred embodiment of the present invention, a vertical slide groove is provided on one side of the test frame, a synchronous drive frame is slidably installed in the vertical slide groove, and a foot pedal is installed on the synchronous drive frame; Two opening and closing connecting shafts are rotatably installed on the synchronous drive frame. Both opening and closing linkage frames are provided with drive sliding holes. The two opening and closing connecting shafts are respectively movably installed in the two drive sliding holes. A push-back spring is installed on the inner wall of the vertical slide, and the push-back spring is mounted on the synchronous drive frame.

[0016] Furthermore, in a preferred embodiment of the present invention, a support frame is installed at each of the four corners of the bottom side of the cleaning rack, and rubber feet are installed on the bottom side of the support frame.

[0017] The advantages of the tensile testing device for cable testing proposed in this invention are: In this invention, by setting up a cable position detection device, when detecting the position of the cable, two cable holders clamp the cable. If the cable is skewed after being straightened, the cable holders will swing. At this time, the cable holders drive two telescopic push rods to move through the movable frame and rotating seat. The movement of either telescopic push rod can push the trigger push plate to move, and the trigger push plate pushes the emergency stop switch, thereby stopping the test frame. Therefore, the emergency stop is directly triggered by the mechanical swing of the cable holders, and the skew fault can be identified in the initial stage. This avoids the coaxiality deviation of the tension caused by cable clamping skew and deformation and sinking of the upper pull seat. It does not need to wait for the tension abnormality to occur during the test, effectively avoiding the major safety accident of cable collapse and eliminating the test data distortion caused by such factors, ensuring the accuracy and repeatability of the cable tension test results.

[0018] Furthermore, in this invention, when the test pull-up seat is reset, the rotating detection frame rotates, causing the extrusion arc seat to contact the test pull-up seat; when the test pull-up seat sinks or deforms, it pushes the extrusion arc seat downwards in the reverse direction, which in turn causes the rotating detection frame to move downwards, thereby causing the synchronous horizontal push frame to move the trigger wedge plate downwards, the trigger wedge plate to move the trigger push shaft, and thus the trigger push shaft to move the trigger push plate, which can also trigger the emergency stop switch. This allows the test frame to be stopped immediately if the test pull-up seat is damaged, avoiding inaccurate test results caused by damage to the test frame. It achieves real-time detection and emergency stop when the pull-up seat undergoes minor deformation or sinking through reverse mechanical triggering, eliminating potential safety hazards in advance.

[0019] Furthermore, in this invention, by setting up a linkage opening and closing device, during testing, the cable is clamped on the pull-up clamp and the positioning clamp, and then the foot pedal is stepped on, which synchronously drives the frame to move. Through two opening and closing connecting shafts, the two opening and closing linkage frames are driven to rotate, thereby bringing the two opening and closing slides closer to each other and simultaneously causing the two rotating detection frames to rotate. This achieves the purpose of moving the opening and closing slides while the rotating detection frames rotate synchronously. In addition, the foot pedal linkage opening and closing realizes the synchronous action of the clamping action and the protective mechanism, combining the two independent operations of clamping the cable and opening and closing the protective mechanism into one step. When clamping, stepping on the pedal will simultaneously open the retainer and the detection frame. After releasing, it will automatically reset and enter the protective state, without the need for additional manual operation, reducing the workload of operators and completely eliminating human error. Moreover, the purely mechanical structure does not require an external power supply and is not affected by any electromagnetic or environmental factors. It can still be stably triggered in extreme industrial environments, and the reliability of protection is effectively improved. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural schematic diagram of a tensile testing device for cable testing provided in an embodiment of the present invention; Figure 2 This is a schematic diagram illustrating the connection between the test frame and cable retainer of a tensile testing device for cable testing, as provided in an embodiment of the present invention. Figure 3 This is a partial structural diagram illustrating the connection between the opening and closing slide and the synchronous horizontal push frame of a tensile testing device for cable testing, provided in an embodiment of the present invention. Figure 4 This is a partial structural diagram illustrating the connection between the cable retainer and emergency stop switch, etc., of a tensile testing device for cable testing provided in an embodiment of the present invention. Figure 5 A tensile testing device for cable testing provided in an embodiment of the present invention. Figure 4 A schematic diagram of the structure of part A; Figure 6 This is a partial cross-sectional view of the connection between the cable retainer and the connecting seat of a tensile testing device for cable testing provided in an embodiment of the present invention. Figure 7 This is a cross-sectional view of the connection between the buffer sleeve and the compression rod of a tensile testing device for cable testing, as provided in an embodiment of the present invention. Figure 8 This is a partial structural diagram of the connection between the rotating testing frame and the horizontal pushing drive plate of a tensile testing device for cable testing, provided in an embodiment of the present invention. Figure 9 This is a partial cross-sectional view of the connection between the rotating support and the mounting top of a cable testing tensile testing device provided in an embodiment of the present invention. Figure 10 This is a partial structural diagram illustrating the connection between the opening and closing linkage frame and the synchronous drive frame of a cable testing tensile testing device provided in an embodiment of the present invention. Figure 11 This is a partial cross-sectional view of the connection between the test frame and the synchronous drive frame of a cable testing tensile testing device provided in an embodiment of the present invention.

[0021] In the diagram: 1-Test frame; 2-Test pull-up seat; 3-Pull-up clamp; 4-Positioning clamp; 5-Cable position detection device; 501-Cable retainer; 502-Opening / closing slide; 503-Adapter mounting bracket; 504-Connecting seat; 505-Telescopic push rod; 506-Trigger push plate; 507-Emergency stop switch; 508-Switch mounting bracket; 509-Buffer sleeve; 510-Crushing rod; 511-Buffer spring; 512-Telescopic push-pull groove; 513-Push-pull spring; 514-Modible connecting shaft; 515-Modible frame; 516-Rotating seat; 6-Reset synchronization detection device; 601-Rotation detection... 602-Extrusion arc seat; 603-Rotating support; 604-Mounting top seat; 605-Horizontal push drive plate; 606-Synchronous horizontal push frame; 607-Expansion slot; 608-Expansion rotating shaft; 609-Expansion torsion spring; 610-Pull-down seat; 611-Return spring; 612-Trigger push shaft; 613-Trigger wedge plate; 7-Linkage opening and closing device; 701-Opening and closing linkage frame; 702-Opening and closing linkage shaft; 703-Synchronous drive frame; 704-Opening and closing connecting shaft; 705-Drive slide hole; 706-Foot pedal plate; 707-Linkage slide hole; 708-Vertical slide groove; 709-Push-back spring. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0024] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0025] Furthermore, in the description of this invention, it should be noted that the terms "center," "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention 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 of this invention. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0026] Furthermore, terms such as "horizontal," "vertical," and "perpendicular" do not imply that components must be absolutely vertical, but rather that they can be slightly tilted. For example, "vertical" simply means that its direction is more vertical relative to "horizontal," not that the structure must be completely vertical, but can be slightly tilted.

[0027] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] Please refer to the attached instruction manual. Figures 1-11 The present invention provides a tensile testing device for cable testing, which includes a test frame 1, a test pull-up seat 2 movably mounted on the test frame 1, a pull-up clamp 3 mounted on the test pull-up seat 2, and a positioning clamp 4 mounted on the test frame 1.

[0029] Further, please refer to the appendix to the instruction manual. Figures 2-7 The tensile testing device for cable testing provided in this embodiment of the invention also includes a cable position detection device 5, which is mounted on the testing frame 1 and is used to actively detect the position of the cable. Specifically, the cable position detection device 5 includes two cable retainers 501, and two opening and closing slides 502 are slidably mounted on the test frame 1. Each of the two opening and closing slides 502 is equipped with an emergency stop switch 507, which is electrically connected to the test frame 1. Each of the two opening and closing slides 502 is equipped with a transfer mounting bracket 503, and two telescopic push rods 505 are movably mounted on the transfer mounting bracket 503. The cable retainers 501 are movably mounted on the two telescopic push rods 505. A trigger push plate 506 is mounted on the emergency stop switch 507. Both telescopic push rods 505 are in contact with the trigger push plate 506. The telescopic push rods 505 move through the trigger push plate 506 to trigger the emergency stop switch 507.

[0030] It should be noted that in this embodiment of the invention, when the two opening and closing slides 502 approach each other, they drive the two adapter mounting brackets 503 to move. The adapter mounting brackets 503 drive the two telescopic push rods 505 to move, and the two telescopic push rods 505 drive the cable retainer 501 to move, thereby causing the two cable retainers 501 to approach each other and clamp the cable. If the cable is misaligned at this time, the cable retainer 501 will swing. The cable retainer 501 drives the two telescopic push rods 505 to move through the movable frame 515 and the rotating seat 516. The movement of any one of the telescopic push rods 505 can push the trigger push plate 506 to move. The trigger push plate 506 pushes the emergency stop switch 507, thereby triggering the emergency stop switch 507. In addition, if the cable misalignment is large, it will continue to push the emergency stop switch 507 to move. The emergency stop switch 507 slides in the buffer sleeve 509 through the squeezing rod 510, and at the same time, the buffer spring 511 is stressed, thereby stopping the test frame 1 in an emergency and avoiding inaccurate testing caused by cable operation.

[0031] More specifically, in this embodiment of the invention, a reset synchronization detection device 6 is also included. The reset synchronization detection device 6 is installed on the test frame 1 and is used to detect the position of the test pull-up seat 2. The reset synchronization detection device 6 includes two rotating detection frames 601, both of which are rotatably installed on one side of the test frame 1. A compression arc seat 602 is installed on the rotating detection frame 601. The rotation of the rotating detection frame 601 causes the compression arc seat 602 to contact the test pull-up seat 2, thereby contacting the position of the test pull-up seat 2. It should be noted that in this embodiment of the invention, when the test pull-up seat 2 is damaged, causing it to sink or deform, the rotating detection frame 601 causes the compression arc seat 602 to rotate and contact the test pull-up seat 2, which will push the compression arc seat 602 downward in the opposite direction, triggering the emergency stop switch 507, thereby achieving the purpose of emergency stopping the test frame 1 when the test pull-up seat 2 is damaged.

[0032] Please refer to the instruction manual attached. Figures 2-7Furthermore, the cable position detection device 5 provided in this embodiment of the invention also includes two switch mounting brackets 508, which are respectively mounted on two opening and closing slides 502. Furthermore, a buffer sleeve 509 is installed on the opening and closing slide 502, and a pressing rod 510 is movably installed inside the buffer sleeve 509. An emergency stop switch 507 is installed on the pressing rod 510, and a buffer spring 511 is installed between the buffer sleeve 509 and the pressing rod 510. It should be noted that, in this embodiment of the invention, when the cable misalignment is large, the emergency stop switch 507 will continue to move, causing the emergency stop switch 507 to slide within the buffer sleeve 509 via the pressing rod 510. At the same time, the buffer spring 511 is subjected to force, providing redundant space for the continuous movement of the emergency stop switch 507.

[0033] More specifically, in this embodiment of the invention, a connecting seat 504 is installed on the adapter mounting bracket 503. Two telescopic push-pull grooves 512 are formed on the connecting seat 504, and two telescopic push rods 505 are movably installed within the two telescopic push-pull grooves 512 respectively. Two push-pull springs 513 are installed on the inner wall of the telescopic push-pull grooves 512, and the push-pull springs 513 are mounted on the telescopic push rods 505. It should be noted that, in this embodiment of the invention, when the cable retainer 501 swings, the two telescopic push rods 505 move horizontally within the two telescopic push-pull grooves 512, causing the multiple push-pull springs 513 to be stressed, thus realizing the horizontal movement of the telescopic push rods 505.

[0034] More specifically, in this embodiment of the invention, a movable frame 515 and a rotating seat 516 are installed on one side of the cable retainer 501. Movable connecting shafts 514 are rotatably mounted on each of the two telescopic push rods 505, and the two movable connecting shafts 514 are respectively movably installed within the movable frame 515 and the rotating seat 516. It should be noted that in this embodiment of the invention, if skew occurs during cable stretching, the cable retainer 501 will swing. At this time, the cable retainer 501 uses the movable frame 515 and the rotating seat 516 to drive the two telescopic push rods 505 to move via the two movable connecting shafts 514.

[0035] Please refer to the instruction manual attached. Figures 2-3 and Figures 8-9 Furthermore, the cable testing device for cable testing provided in this embodiment of the invention includes two synchronous horizontal pushers 606, which are slidably mounted on two opening and closing slides 502 respectively. Furthermore, a horizontal push plate 605 is installed on the synchronous horizontal push frame 606. The horizontal push plate 605 moves to drive the rotation detection frame 601 to rotate. A trigger wedge plate 613 is installed on the synchronous horizontal push frame 606, and a trigger push shaft 612 is installed on one side of the trigger push plate 506. The movement of the trigger wedge plate 613 pushes the trigger push shaft 612 to move, thereby driving the trigger push plate 506 to move. It should be noted that in this embodiment of the invention, when the two opening and closing slides 502 approach each other, they drive the two synchronous horizontal push frames 606 to approach each other, thereby causing the synchronous horizontal push frame 606 to drive the horizontal push plate 605 to move. The synchronous horizontal push frame 606 drives the trigger wedge plate 613 to move downward, causing the trigger wedge plate 613 to drive the trigger push shaft 612 to move, thereby causing the trigger push shaft 612 to drive the trigger push plate 506 to move. This can also trigger the emergency stop switch 507, thereby achieving the purpose of emergency stopping the test frame 1 when the test pull-up seat 2 is damaged.

[0036] More specifically, in this embodiment of the invention, two mounting top seats 604 are installed on one side of the test frame 1, a pull-down seat 610 is slidably installed on the bottom side of the mounting top seat 604, and a rotating support 603 is installed on the bottom side of the pull-down seat 610. Two rotating detection frames 601 are respectively rotatably installed on the two rotating supports 603. Furthermore, a return spring 611 is installed on the inner wall of the mounting top seat 604, and the return spring 611 is mounted on the pull-down seat 610. It should be noted that, in this embodiment of the invention, when the test pull-up seat 2 sinks or deforms, it pushes the compression arc seat 602 downward, causing the compression arc seat 602 to drive the rotating detection frame 601 downward. The downward movement of the rotating detection frame 601 drives the pull-down seat 610 downward through the rotating support 603, and causes the return spring 611 to be stressed. Therefore, under the contraction force of the return spring 611, the pull-down seat 610 can be reset.

[0037] More specifically, in this embodiment of the invention, the rotating support 603 has an unfolding groove 607, and an unfolding shaft 608 is rotatably mounted in the unfolding groove 607. The rotating detection frame 601 is mounted on the unfolding shaft 608. An unfolding torsion spring 609 is installed on the inner wall of the unfolding groove 607, and the unfolding torsion spring 609 is mounted on the unfolding shaft 608. It should be noted that, in this embodiment of the invention, when the rotating detection frame 601 is pushed to rotate, it rotates within the unfolding groove 607 via the unfolding shaft 608, causing the unfolding torsion spring 609 to be stressed. Therefore, under the rotational force of the unfolding torsion spring 609, the rotating detection frame 601 can be automatically unfolded.

[0038] Please refer to the instruction manual attached. Figure 2 and Figures 10-11Furthermore, the tensile testing device for cable testing provided in this embodiment of the invention also includes a linkage opening and closing device 7. The linkage opening and closing device 7 is installed on one side of the test frame 1 and is connected to the cable position detection device 5 in a transmission manner. The linkage opening and closing device 7 is used to drive the cable position detection device 5 to clamp the cable. Specifically, the linkage opening and closing device 7 includes two opening and closing linkage frames 701, both of which are rotatably mounted on one side of the test frame 1. Two opening and closing slides 502 are respectively movably mounted on the two opening and closing linkage frames 701. It should be noted that, in this embodiment of the invention, during testing, simply stepping on the foot pedal 706 is enough to rotate the two opening and closing linkage frames 701, thereby causing the two opening and closing slides 502 to move closer together to clamp the cable, and simultaneously causing the two rotation detection frames 601 to rotate automatically.

[0039] More specifically, in this embodiment of the invention, two opening and closing linkage shafts 702 are rotatably mounted on the opening and closing linkage frame 701, one of which is mounted on one side of the test frame 1. Furthermore, the opening and closing slide 502 has a linkage sliding hole 707, and the other opening and closing linkage shaft 702 is movably mounted within the linkage sliding hole 707. It should be noted that in this embodiment of the invention, when the opening and closing linkage frame 701 rotates, it rotates on one of the opening and closing linkage shafts 702, while simultaneously, the rotation of the opening and closing linkage frame 701 drives the opening and closing slide 502 to slide via the other opening and closing linkage shaft 702, thereby achieving the purpose of driving the opening and closing slide 502 to slide when the opening and closing linkage frame 701 rotates.

[0040] Please continue to refer to the instruction manual appendix. Figure 2 and Figures 10-11 More specifically, in this embodiment of the invention, a vertical slide groove 708 is provided on one side of the test frame 1, a synchronous drive frame 703 is slidably installed in the vertical slide groove 708, and a foot pedal 706 is installed on the synchronous drive frame 703; two opening and closing connecting shafts 704 are rotatably installed on the synchronous drive frame 703, and each of the two opening and closing linkage frames 701 is provided with a drive sliding hole 705, and the two opening and closing connecting shafts 704 are respectively movably installed in the two drive sliding holes 705; Furthermore, a push-back spring 709 is installed on the inner wall of the vertical slide groove 708, and the push-back spring 709 is mounted on the synchronous drive frame 703. It should be noted that, in this embodiment of the invention, when the foot pedal 706 is stepped on, the synchronous drive frame 703 slides vertically within the vertical slide groove 708, causing the push-back spring 709 to be stressed. The movement of the synchronous drive frame 703 drives the rotation of the two opening and closing linkage frames 701 through the two opening and closing connecting shafts 704. Moreover, the opening and closing connecting shafts 704 slide within the drive sliding hole 705, thereby achieving synchronous rotation of the two opening and closing linkage frames 701 when the synchronous drive frame 703 moves downward.

[0041] In summary, the working principle of the tensile testing device for cable testing provided in this embodiment of the invention is as follows: During testing, the cable is clamped on the pull-up clamp 3 and the positioning clamp 4, and then the foot pedal 706 is stepped on, which drives the synchronous drive frame 703 to slide vertically in the vertical slide groove 708, and causes the push-back spring 709 to be stressed. The synchronous drive frame 703 moves and drives the two opening and closing linkage frames 701 to rotate through the two opening and closing connecting shafts 704. At the same time, the opening and closing connecting shafts 704 slide in the drive sliding hole 705, and the opening and closing linkage frame 701 rotates on one opening and closing linkage shaft 702. The rotation of the opening and closing linkage frame 701 drives the opening and closing slide 502 to slide through the other opening and closing linkage shaft 702, and the opening and closing linkage shaft 702 slides in the linkage sliding hole 707, thereby causing the two opening and closing slides 502 to move closer to each other. Furthermore, when the two opening and closing slides 502 approach each other, they drive the two transition mounting brackets 503 to move, causing the transition mounting brackets 503 to drive the two telescopic push rods 505 to move. The two telescopic push rods 505 drive the cable retainer 501 to move, thereby causing the two cable retainers 501 to approach each other and clamp the cable. If the cable is skewed at this time, the cable retainer 501 will swing. The cable retainer 501 drives the two telescopic push rods 505 to move through the movable frame 515 and the rotating seat 516, and causes multiple push-pull springs 513 to be stressed. The movement of any one of the telescopic push rods 505 can push the trigger push plate 506 to move, causing the trigger push plate 506 to push the emergency stop switch 507, thereby triggering the emergency stop switch 507. It should be noted that if the cable misalignment is large, it will continue to push the emergency stop switch 507 to move, causing the emergency stop switch 507 to slide in the buffer sleeve 509 through the squeezing rod 510, and at the same time, the buffer spring 511 will be stressed, thereby stopping the test frame 1 in an emergency and avoiding inaccurate testing caused by cable operation. Furthermore, when the two opening and closing slides 502 approach each other, they drive the two synchronous horizontal pushers 606 to approach each other, which in turn causes the synchronous horizontal pushers 606 to move the horizontal pusher plate 605. The horizontal pusher plate 605 pushes the rotating detection frame 601 to rotate. The rotating detection frame 601 rotates in the unfolding groove 607 through the unfolding shaft 608, which causes the unfolding torsion spring 609 to be stressed. At the same time, the rotation of the rotating detection frame 601 causes the extrusion arc seat 602 to contact the test pull-up seat 2. If the test pull-up seat 2 is damaged at this time, causing the test pull-up seat 2 to sink or deform, it will push the extrusion arc seat 602 to move down in the opposite direction. The extrusion arc seat 602 causes the rotating detection frame 601 to move down. The downward movement of the rotating detection frame 601 causes the pull-down seat 610 to move down through the rotating support 603, which causes the return spring 611 to be stressed. It should be noted that the downward movement of the rotating support 603 causes the horizontal push plate 605 to move downward through the rotating detection frame 601. The downward movement of the horizontal push plate 605 causes the synchronous horizontal push frame 606 to move downward. The synchronous horizontal push frame 606 causes the trigger wedge plate 613 to move downward. The trigger wedge plate 613 causes the trigger push shaft 612 to move, which in turn causes the trigger push shaft 612 to move the trigger push plate 506. This can also trigger the emergency stop switch 507, thereby achieving the purpose of emergency stopping of the test frame 1 when the test pull-up seat 2 is damaged, avoiding the problem of inaccurate test results caused by the damage to the test frame 1.

[0042] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A tensile testing device for cable inspection, characterized in that, It includes a test frame, on which a test pull-up seat is movably mounted, and on which a pull-up clamp is mounted, and on which a positioning clamp is mounted; It also includes a cable position detection device, which is mounted on the test frame and is used to actively detect the position of the cable. The cable position detection device includes two cable retainers, and two opening and closing slides are slidably mounted on the test frame. Each of the two opening and closing slides is equipped with an emergency stop switch, which is electrically connected to the test frame. Each of the two opening and closing slides is equipped with a transfer mounting bracket, and two telescopic push rods are movably mounted on the transfer mounting bracket. The cable retainers are movably mounted on the two telescopic push rods. The emergency stop switch is equipped with a trigger push plate, and both telescopic push rods are in contact with the trigger push plate. The movement of the telescopic push rods triggers the emergency stop switch through the trigger push plate. It also includes a reset synchronization detection device, which is installed on the test frame and is used to detect the position of the test pull-up seat. The reset synchronization detection device includes two rotating detection frames, both of which are rotatably installed on one side of the test frame. An extrusion arc seat is installed on the rotating detection frame. The rotation of the rotating detection frame drives the extrusion arc seat to contact the test pull-up seat, thereby contacting the position of the test pull-up seat.

2. The tensile testing device for cable testing according to claim 1, characterized in that, The cable position detection device also includes two switch mounting brackets, which are respectively mounted on the two opening and closing slides; A buffer sleeve is installed on the opening and closing slide, and a pressing rod is movably installed inside the buffer sleeve. The emergency stop switch is installed on the pressing rod, and a buffer spring is installed between the buffer sleeve and the pressing rod.

3. The tensile testing device for cable testing according to claim 2, characterized in that, The adapter mounting bracket is equipped with a connecting seat, and the connecting seat has two telescopic push-pull slots. The two telescopic push rods are respectively movably installed in the two telescopic push-pull slots. Two push-pull springs are installed on the inner wall of the telescopic push-pull groove, and the push-pull springs are mounted on the telescopic push rod.

4. The tensile testing device for cable testing according to claim 3, characterized in that, A movable frame and a rotating seat are installed on one side of the cable retainer. Movable connecting shafts are rotatably installed on both telescopic push rods, and the two movable connecting shafts are respectively movably installed in the movable frame and the rotating seat.

5. The tensile testing device for cable testing according to claim 1, characterized in that, The reset synchronization detection device also includes two synchronous horizontal push frames, which are slidably mounted on the two opening and closing slide frames respectively. The synchronous horizontal push frame is equipped with a horizontal push drive plate, and the movement of the horizontal push drive plate is used to drive the rotation detection frame to rotate. A trigger wedge plate is installed on the synchronous horizontal push frame, and a trigger push shaft is installed on one side of the trigger push plate. The movement of the trigger wedge plate pushes the trigger push shaft to move, thereby driving the trigger push plate to move.

6. The tensile testing device for cable testing according to claim 5, characterized in that, Two mounting tops are installed on one side of the test frame. A pull-down seat is slidably installed on the bottom side of the mounting tops, and a rotating support is installed on the bottom side of the pull-down seat. The two rotating test frames are respectively rotatably installed on the two rotating supports. A return spring is installed on the inner wall of the mounting top seat, and the return spring is installed on the pull-down seat.

7. A tensile testing device for cable testing according to claim 6, characterized in that, The rotating support is provided with an unfolding groove, and an unfolding shaft is rotatably installed in the unfolding groove. The rotation detection frame is installed on the unfolding shaft. An unfolding torsion spring is installed on the inner wall of the unfolding slot, and the unfolding torsion spring is mounted on the unfolding shaft.

8. The tensile testing device for cable testing according to claim 1, characterized in that, It also includes a linkage opening and closing device, which is installed on one side of the test frame and is connected to the cable position detection device. The linkage opening and closing device is used to drive the cable position detection device to clamp the cable. The linkage opening and closing device includes two opening and closing linkage frames, both of which are rotatably mounted on one side of the test frame, and the two opening and closing slides are respectively movably mounted on the two opening and closing linkage frames.

9. A tensile testing device for cable testing according to claim 8, characterized in that, Two opening and closing linkage shafts are rotatably mounted on the opening and closing linkage frame, and one of the opening and closing linkage shafts is installed on one side of the test frame. The opening and closing slide is provided with a linkage sliding hole, and another opening and closing linkage shaft is movably installed in the linkage sliding hole.

10. A tensile testing device for cable testing according to claim 9, characterized in that, A vertical slide groove is provided on one side of the test frame, and a synchronous drive frame is slidably installed in the vertical slide groove, and a foot pedal is installed on the synchronous drive frame. Two opening and closing connecting shafts are rotatably installed on the synchronous drive frame. Both opening and closing linkage frames are provided with drive sliding holes. The two opening and closing connecting shafts are respectively movably installed in the two drive sliding holes. A push-back spring is installed on the inner wall of the vertical slide, and the push-back spring is mounted on the synchronous drive frame.

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