A static tensile testing machine for insulating ropes

Abstract

This invention belongs to the field of insulating rope tensile testing technology, and particularly relates to an insulating rope static load tensile testing machine. It includes an upward-opening test groove, with inner edge plates fixedly installed on the inner walls of both sides of the test groove along its length. Two sets of pulley mechanisms are jointly arranged between the two inner edge plates. A traction mechanism one is jointly arranged between the front side of the test groove and the pulley mechanisms sliding on the inner edge plates, and a traction mechanism two is arranged on the left side of the test groove. Each pulley mechanism includes a base plate, and the base plate on one set of pulley mechanisms is fixedly installed on the inner edge plates by bolts. This invention enables one winding method of insulating rope to be adapted to two different testing methods of insulating rope. It can perform individual traction tests on both ends of the entire rope, or test multiple segments simultaneously, significantly reducing the test space span, lowering site and infrastructure costs, and overcoming the problems of traditional tensile testing machines requiring excessively long strokes and space.

Description

Technical Field

[0001] This invention belongs to the field of insulating rope tensile testing technology, and particularly relates to an insulating rope static load tensile testing machine. Background Technology

[0002] Insulating ropes are critical load-bearing materials in fields such as high-altitude operations in power engineering, fire rescue, and special transportation. Their mechanical strength directly affects the safety of personnel and equipment. Static load tensile testing is a core quality control step for verifying the rated working load, breaking strength, and safety margin of insulating ropes. It plays an irreplaceable role in ensuring operational safety, assessing product lifespan, and verifying process stability.

[0003] Currently, static load testing of long (100m-300m) insulating ropes has the following main drawbacks: traditional tensile testing machines require traction along the sample's axial direction. Testing ultra-long ropes requires equipment with matching stroke and space, resulting in high infrastructure costs and the inability of most indoor spaces to meet the ultra-long span requirements. Therefore, existing technologies use a segmented testing method to circumvent space issues, employing a small tensile testing machine to clamp long insulating ropes in segments for tensile testing. This method requires repeated adjustments to the clamping position, which is not only inefficient but also, if clamping is applied in the middle of the rope, the huge concentrated stress can cause local crushing, strand breakage, or internal damage to the insulating rope. The test data may deviate significantly from the actual tensile strength of the insulating rope, making it impossible to guarantee test accuracy.

[0004] Therefore, there is an urgent need for a static tensile testing machine for insulating ropes that can solve the problems of testing space, testing efficiency and testing accuracy when testing long insulating ropes. Summary of the Invention

[0005] To address the aforementioned problems, this invention provides an insulating rope static tensile testing machine, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this application provides the following technical solution: An insulating rope static load tensile testing machine is provided, comprising an upward-opening test groove. Inner edge plates are fixedly arranged on the inner walls of both sides of the test groove along its length. Two sets of pulley mechanisms are jointly arranged between the two inner edge plates. A traction mechanism one is jointly arranged between the front side of the test groove and the pulley mechanisms sliding on the inner edge plates. A traction mechanism two is arranged on the left side of the test groove. Each pulley mechanism includes a base plate. The base plate of one set of pulley mechanisms is fixedly mounted on the inner edge plate by bolts, and the base plate of the other set of pulley mechanisms is slidably mounted on the inner edge plate by a slider. Multiple fixed pulleys with adjustable spacing are arranged on the base plate via connecting components. The traction mechanism one includes a hydraulic rod one fixedly mounted on the front side of the test groove. A docking block is fixedly arranged on the lower side of the base plate slidably mounted on the inner edge plate. The docking block has a docking hole. The telescopic end of the hydraulic rod one is fixedly connected to a connector adapted to the docking hole, and the connector is movably inserted into the docking hole and fixed by a fixing component. Two sets of pulley mechanisms divide the insulating rope into multiple segments by reversing and bending it. The two sets of pulley mechanisms are separated by traction mechanism one to conduct simultaneous testing of multiple segments. Traction mechanism two pulls one end of the insulating rope to conduct a tensile test on the entire insulating rope.

[0007] According to an advantageous embodiment, a slide rail is provided on the upper side of the inner edge plate along its length direction, the slider is slidably disposed in the corresponding slide rail, and a threaded positioning hole is provided on the bottom inner wall of the slide rail near the front side, and a limit bolt is provided on the slider, one end of the limit bolt being threadedly connected to the corresponding threaded positioning hole.

[0008] According to an advantageous embodiment, the connecting assembly includes a fixed shaft fixedly mounted on the upper side of the base plate near the right edge via an ear seat. A fixed beam is rotatably mounted on the fixed shaft. A plurality of U-shaped sleeves are slidably fitted on the fixed beam. Fixed pulleys are rotatably mounted in the corresponding U-shaped sleeves. An adjustable-length limiting telescopic rod is provided on the upper side of each U-shaped sleeve. Adjacent limiting telescopic rods in the same row along the length direction of the fixed beam abut each other end to end. A support locking seat is fixedly mounted on the upper side of the base plate. The side of the fixed beam away from the fixed shaft is detachably fixedly mounted on the support locking seat.

[0009] According to an advantageous embodiment, the connecting assembly further includes a limiting seat one fixedly disposed on the upper side of the fixed beam and near the fixed shaft. The upper side of the fixed beam has a sliding hole extending along its length direction. An adjusting screw is rotatably disposed in the sliding hole. A sliding seat is threadedly connected to the adjusting screw. A limiting seat two is slidably inserted into the sliding seat.

[0010] According to an advantageous embodiment, the limiting telescopic rod includes a fixed rod fixedly disposed on the upper side of a U-shaped sliding sleeve, one end of which is threadedly connected to a movable rod. One end of the fixed rod in the rightmost limiting telescopic rod is in movable contact with a limiting seat. One end of the fixed rod in the leftmost limiting telescopic rod in the same row is in movable contact with one end of the movable rod in the rightmost limiting telescopic rod. The movable rod in the leftmost limiting telescopic rod is in movable contact with a limiting seat.

[0011] According to an advantageous embodiment, the upper side of the support locking seat is provided with a slot, one side of the fixed beam is movably embedded in the corresponding slot, and the support locking seat is also provided with a locking bolt, one end of which is threadedly connected to the fixed beam.

[0012] According to an advantageous embodiment, the fixing component includes a fixing bolt and a fixing nut, the mating block has a through hole 1 extending from left to right, the corresponding position of the mating joint has a through hole 2, one end of the fixing bolt movably passes through the through hole 1 and the through hole 2 and is threadedly connected to the fixing nut.

[0013] According to an advantageous embodiment, the second traction mechanism includes a second hydraulic rod fixedly disposed on the left side of the test groove. The telescopic end of the second hydraulic rod is fixedly connected to a traction seat. A second U-shaped sliding sleeve is fixedly disposed on the upper side of the traction seat. A traction wheel is rotatably connected to the second U-shaped sliding sleeve.

[0014] Compared with the prior art, the static load tensile testing machine for insulating rope provided by the present invention has the following beneficial effects: 1. In the present invention, the solution utilizes a test groove and two sets of fixed and sliding pulley mechanisms. By taking advantage of the principle that the pulleys bend and change direction while the force remains unchanged, the insulating rope of 100m-300m length can be wound around in the test groove in a limited space. In conjunction with traction mechanism one or traction mechanism two, it can realize that one winding method of the insulating rope can be adapted to two different testing methods of the insulating rope. It can perform individual traction tests on both ends of the entire rope, or test multiple sections simultaneously. This greatly reduces the test space span, reduces site and infrastructure costs, and overcomes the problem of traditional tensile testing machines requiring ultra-long strokes and space.

[0015] 2. In this invention, there is no need to repeatedly adjust the clamping position or apply holding force to the middle section of the rope during the segmented testing of the insulating rope. The insulating rope only contacts the low-friction fixed pulley, which not only improves the efficiency of traditional segmented testing, but also avoids the clamping device from causing concentrated stress on the middle section of the rope, preventing local crushing, strand breakage or internal damage to the rope, and ensuring the integrity of the test sample and the authenticity and accuracy of the data. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0017] Figure 2 This is a top view of the structural structure of the present invention.

[0018] Figure 3 This is a three-dimensional structural diagram of the test tank in this invention.

[0019] Figure 4 This is a schematic diagram showing the state of the two sets of pulley mechanisms cooperating with the second traction mechanism in this invention.

[0020] Figure 5 This is an external three-dimensional structural diagram of the traction mechanism and pulley mechanism in this invention.

[0021] Figure 6 This is a three-dimensional structural diagram of the connecting component in this invention.

[0022] Figure 7 This is the external three-dimensional structure of the U-shaped sliding sleeve in this invention.

[0023] Figure 8 This is a schematic diagram showing the state of the two sets of pulley mechanisms and the traction mechanism in this invention when they are in cooperation.

[0024] The attached figures are labeled as follows: 1. Test tank; 2. Inner edge plate; 3. Pulley mechanism; 31. Base plate; 32. Connecting assembly; 321. Fixed beam; 322. U-shaped sliding sleeve one; 323. Limiting telescopic rod; 324. Support locking seat; 325. Limiting seat one; 326. Adjusting screw; 327. Slide seat; 328. Limiting seat two; 329. Locking bolt; 33. Fixed pulley; 4. Traction mechanism one; 41. Hydraulic rod one; 42. Connecting block; 43. Connecting joint; 44. Fixed assembly; 5. Traction mechanism two; 51. Hydraulic rod two; 52. Traction seat; 53. U-shaped sliding sleeve two; 54. Traction wheel; 6. Slide rail; 7. Limiting bolt; 8. Insulating rope; 9. Sliding block. Detailed Implementation

[0025] The following is in conjunction with the appendix Figure 1 - Appendix Figure 8 This application will now be described in further detail.

[0026] Please refer to the following: Figure 1 , Figure 2 , Figure 4 and Figure 8 An insulating rope static load tensile testing machine is disclosed for testing the static load tensile strength of insulating ropes 8 exceeding 100 meters in length. The testing machine includes a test trough 1 with its opening facing upward and fixed to the ground. Inner edge plates 2 are welded to the inner walls of both sides of the test trough 1 along its length. Two sets of pulley mechanisms 3 are arranged between the two inner edge plates 2. A traction mechanism 4 is arranged between the front side of the test trough 1 and the pulley mechanisms 3 sliding on the inner edge plates 2. A second traction mechanism 5 is arranged on the left side of the test trough 1.

[0027] In practice, a long insulating rope 8 can be naturally bent and divided into multiple segments without affecting the tension by using two sets of pulley mechanisms 3 in the test tank 1. The front unlocked pulley mechanism 3 can be moved by the traction mechanism 4 to conduct simultaneous tension tests on multiple segments of the insulating rope 8. Alternatively, the two sets of pulley mechanisms 3 can be fixed in the test tank 1, with one end of the insulating rope 8 fixed to one of the pulley mechanisms 3. After the insulating rope 8 is continuously divided into segments by the two sets of pulley mechanisms 3, it can be pulled by the traction mechanism 5 to conduct tension tests on both ends of the entire insulating rope 8, testing the condition of the entire insulating rope 8 under tension.

[0028] See Figure 1 , Figure 3 and Figure 4 In order to reduce the space required for the tensile test of the long insulating rope 8 without affecting the stress on the insulating rope 8, the pulley mechanism 3 set in the test groove 1 includes a base plate 31. The base plate 31 on one set of pulley mechanisms 3 is fixedly set on the inner edge plate 2 by bolts, and the base plate 31 on another set of pulley mechanisms 3 is slidably set on the inner edge plate 2 by slider 9. Multiple fixed pulleys 33 with adjustable spacing are set on the base plate 31 by connecting component 32.

[0029] In practice, one end of the insulating rope 8 is fixed to one of the rightmost fixed pulleys 33 on the rear side, and then the insulating rope 8 is successively placed on the left and right fixed pulleys 33. This allows the original length of the insulating rope 8 to be placed in the test groove 1 without affecting the tension, and without affecting the transmission of the tension of the insulating rope 8.

[0030] It should be noted that the fixed pulley 33 in this scheme uses a high-precision bearing with low rolling resistance. The friction of the fixed pulley 33 during rotation is much lower than the tension of the insulating rope 8 tested in this scheme. Therefore, the friction of the fixed pulley 33 during rotation is negligible in the data of this scheme.

[0031] See Figure 1 , Figure 3 and Figure 4 A slide 6 is provided on the upper side of the inner edge plate 2 along its length direction. The slider 9 is slidably disposed in the corresponding slide 6. A threaded positioning hole is provided on the bottom inner wall of the slide 6 near the front side. A limit bolt 7 is provided on the slider 9. One end of the limit bolt 7 is threadedly connected to the corresponding threaded positioning hole.

[0032] One of the pulley mechanisms 3 can slide along the two inner edge plates 2 via the corresponding base plate 31. When winding the insulating rope 8, this pulley mechanism 3 can be unlocked, moved closer to the rear pulley mechanism 3 to facilitate winding of the insulating rope 8. After winding, the pulley mechanism 3 is reset and locked. Furthermore, when needed, the front pulley mechanism 3 can be unlocked and connected to the traction mechanism 4. The traction mechanism 4 pulls the front pulley mechanism 3 away from the rear pulley mechanism 3 to perform simultaneous multi-segment tension testing of a single insulating rope 8.

[0033] See Figure 4 and Figure 5 To facilitate testing of insulating ropes 8 of different lengths, the connecting assembly 32 includes a fixed shaft fixedly mounted on the upper side of the base plate 31 near the right edge via an ear seat. A fixed beam 321 is rotatably mounted on the fixed shaft. Multiple U-shaped sleeves 322 are slidably mounted on the fixed beam 321. A fixed pulley 33 is rotatably mounted in the corresponding U-shaped sleeve 322. An adjustable-length limiting telescopic rod 323 is provided on the upper side of the U-shaped sleeve 322. Adjacent limiting telescopic rods 323 in the same row along the length direction of the fixed beam 321 abut against each other end to end. A support locking seat 324 is fixedly mounted on the upper side of the base plate 31. The side of the fixed beam 321 away from the fixed shaft is detachably fixedly mounted on the support locking seat 324.

[0034] See Figures 4-7 The connecting assembly 32 also includes a limiting seat 325 fixedly mounted on the upper side of the fixed beam 321 and near the fixed shaft. The upper side of the fixed beam 321 has a sliding hole extending along its length. An adjusting screw 326 is rotatably mounted within the sliding hole. One end of the adjusting screw 326 is fixedly connected to an adjusting knob embedded in the fixed beam 321. A sliding block 327 is threaded onto the adjusting screw 326, and a limiting seat 328 is slidably inserted into the sliding block 327. The limiting telescopic rod 323 includes a fixed rod fixedly mounted on the upper side of the U-shaped sliding sleeve 322, and one end of the fixed rod is threadedly connected to a movable rod. When installing U-shaped sliding sleeve 322 on the fixed beam 321, the limiting seat 328 can be removed from the slide 327. After all U-shaped sliding sleeves 322 on the fixed beam 321 are installed and adjusted, the limiting seat 328 is inserted into the slide 327. Then, the operator rotates the adjusting knob to rotate the adjusting screw 326, adjusting the position of the limiting seat 328 on the slide 327, so that the limiting seat 328 abuts against the leftmost movable rod on the fixed beam 321. This positions all U-shaped sliding sleeves 322 on the fixed beam 321 between the corresponding limiting seats 325 and 328, preventing them from sliding.

[0035] In actual operation, the fixed beam 321 can be rotated and opened relative to the base plate 31, such as... Figure 6The U-shaped sliding sleeve 322 can be slidably fitted onto the fixed beam 321. One end of the fixed rod in the rightmost limiting telescopic rod 323 is in contact with the limiting seat 325. One end of the fixed rod in the leftmost limiting telescopic rod 323 in the same row is in contact with one end of the movable rod in the rightmost limiting telescopic rod 323. The movable rod in the leftmost limiting telescopic rod 323 is in contact with the limiting seat 328. By adjusting the length of the limiting telescopic rods 323, ensuring that the adjusted length of each limiting telescopic rod 323 is consistent, the distance between adjacent U-shaped sliding sleeves 322 is controlled, thereby controlling the distance between adjacent fixed pulleys 33. This ensures that every segment of the insulating rope 8, except for the first and last segments, is evenly distributed. Furthermore, when the insulating rope 8 is too long or too short, the number of fixed pulleys 33 on the fixed beam 321 can be increased or decreased to meet testing requirements.

[0036] See Figure 5 and Figure 6 The upper side of the support locking seat 324 has a slot, and one side of the fixing beam 321 is movably embedded in the corresponding slot. The support locking seat 324 is also provided with a locking bolt 329, one end of which is threadedly connected to the fixing beam 321. The fixing beam 321 is locked by the locking bolt 329.

[0037] See Figure 1 and Figure 5 The traction mechanism 4 includes a hydraulic rod 41 fixedly mounted on the front side of the test tank 1. A mating block 42 is fixedly mounted on the lower side of the base plate 31 slidably mounted on the inner edge plate 2. The mating block 42 has a mating hole. The telescopic end of the hydraulic rod 41 is fixedly connected to a mating connector 43 that matches the mating hole. The mating connector 43 is movably inserted into the mating hole and fixed by a fixing component 44. The fixing component 44 includes a fixing bolt and a fixing nut. The mating block 42 has a through hole 1 extending from left to right. The corresponding position of the mating connector 43 has a through hole 2. One end of the fixing bolt moves through the through hole 1 and the through hole 2 and is threadedly connected to the fixing nut.

[0038] In practice, the slider 9 below the front substrate 31 is unlocked, and the connector 43 is inserted into the mating hole by extending the hydraulic rod 41. Then, the connector 43 is fixed to the substrate 31 by fixing bolts and nuts. Then, the hydraulic rod 41 can retract, pulling the fixed pulley 33 on the front substrate 31 away from the fixed pulley 33 on the rear substrate 31, thereby performing a tensile test on multiple segments of a single insulating rope simultaneously.

[0039] See Figure 1 and Figure 4The second traction mechanism 5 includes a hydraulic rod 51 fixedly installed on the left side of the test tank 1. The telescopic end of the hydraulic rod 51 is fixedly connected to a traction seat 52. A U-shaped sliding sleeve 53 is fixedly installed on the upper side of the traction seat 52. A traction wheel 54 is rotatably connected to the U-shaped sliding sleeve 53. The traction wheel 54 is at the same height as the fixed pulley 33.

[0040] In practice, a strip-shaped hole is provided on the left side wall of the test tank 1 for the insulating rope 8 to pass through. Both pulley mechanisms 3 are fixed in their designated positions. One end of the insulating rope 8 is fixed to the rightmost fixed pulley 33 of the rear pulley mechanism 3, and then passes through all the front and rear fixed pulleys 33 in a staggered manner. The other end of the insulating rope 8 passes through the strip-shaped hole in the side wall of the test tank 1 and is fixedly connected to the traction wheel 54. Then, by retracting the hydraulic rod 51, one end of the insulating rope 8 is slowly pulled. Due to the reversing action of the fixed pulleys 33, the entire insulating rope 8 experiences uniform force, and the tension is consistent with the traction force of the hydraulic rod 51. One end of the insulating rope 8 is subjected to tension, causing the entire insulating rope 8 to be stressed. A test of the tensile strength is then performed by applying pressure to both ends of the entire insulating rope 8.

[0041] It should be noted that force sensors are installed at the corresponding positions of the connecting shaft of the fixed pulley 33 and the U-shaped sleeve 322, as well as at the corresponding positions of the connecting shaft of the traction wheel 54 and the U-shaped sleeve 53. The two ends of the connecting shaft of the fixed pulley 33 are supported on the corresponding U-shaped sleeve 322 by force sensors, and the two ends of the connecting shaft of the traction wheel 54 are supported on the U-shaped sleeve 53 by force sensors, which is used to monitor the force data of the fixed pulley 33 and the traction wheel 54 in real time.

[0042] The testing principle of the testing machine is as follows: First, when testing the tensile force by applying pressure to both ends of the entire insulating rope 8, before winding the insulating rope 8, the unlocked front pulley mechanism 3 is moved to a position close to the rear pulley mechanism 3. One end of the insulating rope 8 is fixed to the rightmost fixed pulley 33 of the rear pulley mechanism 3. Then, it passes through all the front and rear fixed pulleys 33 alternately. The other end of the insulating rope 8 passes through the strip hole in the side wall of the test groove 1 and is fixedly connected to the traction wheel 54. Finally, the front pulley mechanism 3 is reset and fixed at a designated position on the front side of the test groove 1 by a limit switch, so that both pulley mechanisms 3 are fixed in the test groove 1 and distributed front and back. Then, by retracting the hydraulic rod 51, one end of the insulating rope 8 is slowly pulled. One end of the insulating rope 8 is subjected to tension, causing the entire insulating rope 8 to be under stress. This simulates the scenario of applying pressure to both ends of the entire insulating rope 8 to test the tensile force, testing the change in tension and the final limit tensile force value of the insulating rope 8 during the traction process of the hydraulic rod 51.

[0043] 2. After the entire insulating rope 8 is divided into segments, a multi-segment tensile test is performed. Before winding the insulating rope 8, the unlocked front pulley mechanism 3 is moved to a position close to the rear pulley mechanism 3. One end of the insulating rope 8 is fixed to the rear and rightmost fixed pulley 33. Then, the rope passes through all the front and rear fixed pulleys 33 in sequence. The other end of the insulating rope 8 is fixed to the front and leftmost fixed pulley 33. Then, the pulley mechanism 3 is pushed close to the hydraulic rod 41. At the same time, the connector 43 at the telescopic end of the hydraulic rod 41 is connected to the docking block 42 on the lower side of the base plate 31 in the pulley mechanism 3 and fixed by fixing bolts and fixing nuts. Finally, by retracting the hydraulic rod 41, the front row of fixed pulleys 33 is pulled away from the rear row of fixed pulleys 33. The tension of each segment of insulating rope 8 wound between the front and rear fixed pulleys 33 is tested. The data on the change of tension of each segment of insulating rope 8 under continuous traction and force, the force data when it is finally broken, and the location of the break point of insulating rope 8 are determined. This facilitates the rapid acquisition of tensile test data of different segments of insulating rope 8 for data analysis and comparison.

[0044] This scheme uses a test trough 1 and two sets of pulley mechanisms 3 (one fixed and one sliding). Utilizing the principle of natural bending and reversing of the pulleys, a long insulating rope 8 (100m-300m) is wound into multiple segments within the limited length of the test trough 1. The tensile strength can be tested by individually pulling both ends of the entire insulating rope 8 using the second traction mechanism 5, or by dividing the entire insulating rope 8 into multiple uniform segments for simultaneous testing of the tensile strength of each segment. This reduces the required space for testing, lowers the demands on indoor space and infrastructure costs, and overcomes the shortcomings of traditional tensile testing machines that require excessively long strokes and limited space.

[0045] This solution uses a pulley system to guide the insulating rope 8, allowing one winding method to adapt to two different testing methods depending on the testing needs of the insulating rope 8. In segmented testing of the insulating rope 8, there is no need for repeated adjustments to the clamping position as in traditional segmented testing, and no clamping force needs to be applied to the middle section of the insulating rope 8 throughout the entire process. The insulating rope 8 only contacts the low-friction resistance fixed pulley 33, which not only solves the low efficiency problem caused by the reverse clamping of the insulating rope 8 at different positions in traditional segmented testing methods, but also avoids the huge concentrated stress generated by the clamping device at different positions in the middle section of the insulating rope 8 during clamping. This completely eliminates the problems of local crushing, strand breakage, or internal damage to the insulating rope 8 caused by this, ensuring the integrity of the test sample and the authenticity and accuracy of the test data.

[0046] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0047] Furthermore, the terms "first," "second," "number one," and "number two" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "number one," or "number two" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0048] In this invention, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," "link," and "fix" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0049] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape, and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An insulating rope static load tensile testing machine, comprising an upward-opening test groove, characterized in that: Inner edge plates are fixedly installed on the inner walls of the left and right sides of the test tank along its length. Two sets of pulley mechanisms are installed between the two inner edge plates. A traction mechanism one is installed between the front side of the test tank and the pulley mechanism that slides on the inner edge plates. A traction mechanism two is installed on the left side of the test tank. The pulley mechanism includes a base plate. The base plate of one set of pulley mechanisms is fixed to the inner edge plate by bolts, and the base plate of another set of pulley mechanisms is slidably mounted on the inner edge plate by a slider. The base plate is provided with multiple fixed pulleys with adjustable spacing by connecting components. The traction mechanism includes a hydraulic rod fixedly installed on the front side of the test tank, and a docking block fixedly installed on the lower side of the base plate slidably installed on the inner edge plate. The docking block has a docking hole. The telescopic end of the hydraulic rod is fixedly connected to a connector that matches the docking hole, and the connector is movably inserted into the docking hole and fixed by a fixing component. Two sets of pulley mechanisms divide the insulating rope into multiple segments by reversing and bending it. The two sets of pulley mechanisms are separated by traction mechanism one to conduct simultaneous testing of multiple segments. Traction mechanism two pulls one end of the insulating rope to conduct a tensile test on the entire insulating rope.

2. The static load tensile testing machine for insulating rope according to claim 1, characterized in that, The upper side of the inner edge plate is provided with a slide rail along its length direction. The slider is slidably disposed in the corresponding slide rail. A threaded positioning hole is provided on the bottom inner wall of the slide rail near the front side. A limit bolt is provided on the slider. One end of the limit bolt is threadedly connected to the corresponding threaded positioning hole.

3. The static load tensile testing machine for insulating rope according to claim 1, characterized in that, The connecting assembly includes a fixed shaft fixedly mounted on the upper side of the base plate near the right edge via an ear seat. A fixed beam is rotatably mounted on the fixed shaft. Multiple U-shaped sleeves are slidably mounted on the fixed beam. Fixed pulleys are rotatably mounted in the corresponding U-shaped sleeves. A limiting telescopic rod is provided on the upper side of each U-shaped sleeve. Adjacent limiting telescopic rods in the same row along the length of the fixed beam abut each other end to end. A support locking seat is fixedly mounted on the upper side of the base plate. The side of the fixed beam away from the fixed shaft is detachably fixed to the support locking seat.

4. The static load tensile testing machine for insulating rope according to claim 3, characterized in that, The connecting assembly also includes a limiting seat one fixedly disposed on the upper side of the fixed beam and near the fixed shaft. The upper side of the fixed beam has a sliding hole extending along its length direction. An adjusting screw is rotatably disposed in the sliding hole. A sliding seat is threadedly connected to the adjusting screw. A limiting seat two is slidably inserted into the sliding seat.

5. The static load tensile testing machine for insulating rope according to claim 4, characterized in that, The limiting telescopic rod includes a fixed rod fixedly installed on the upper side of the U-shaped sliding sleeve. One end of the fixed rod is threadedly connected to a movable rod. One end of the fixed rod in the rightmost limiting telescopic rod is in movable contact with the limiting seat. One end of the fixed rod in the leftmost limiting telescopic rod in the same row is in movable contact with one end of the movable rod in the rightmost limiting telescopic rod. The movable rod in the leftmost limiting telescopic rod is in movable contact with the limiting seat.

6. The static load tensile testing machine for insulating rope according to claim 3, characterized in that, The upper side of the support locking seat is provided with a slot, one side of the fixed beam is movably embedded in the corresponding slot, and the support locking seat is also provided with a locking bolt, one end of which is threadedly connected to the fixed beam.

7. The static load tensile testing machine for insulating rope according to claim 1, characterized in that, The fixing component includes a fixing bolt and a fixing nut. The mating block has a through hole 1 extending from left to right, and the corresponding position of the mating joint has a through hole 2. One end of the fixing bolt moves through the through hole 1 and the through hole 2 and is threadedly connected to the fixing nut.

8. The static load tensile testing machine for insulating rope according to claim 1, characterized in that, The second traction mechanism includes a hydraulic rod two fixedly installed on the left side of the test groove. The telescopic end of the hydraulic rod two is fixedly connected to a traction seat. A U-shaped sliding sleeve two is fixedly installed on the upper side of the traction seat. A traction wheel is rotatably connected to the U-shaped sliding sleeve two.

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