Steel wire rope tensile strength testing device

Abstract

The present invention relates to the technical field of steel wire rope testing, and in particular to a steel wire rope tensile strength testing device, comprising a base. Vertical plates are fixedly arranged on the upper surface of the base, and a lower mounting block is fixedly arranged at the top ends of the vertical plates; telescopic hydraulic cylinders are also fixedly arranged on the upper surface of the base, and a top plate is fixedly arranged at telescopic ends of the telescopic hydraulic cylinders; moving plates movably pass through the outer wall of the top plate; a movable plate is fixedly arranged at the top ends of the moving plates; and an upper mounting block is fixedly arranged at the bottom ends of the moving plates. In the present invention, during testing, when a tensile force applied to a steel wire rope gradually increases, the pressure exerted by truncated-conical members on truncated-conical ports also gradually increases, such that a clamping force acting on the end portion of the steel wire rope becomes proportional to the tensile force applied to the steel wire rope, thereby effectively avoiding a test failure caused by slippage of the steel wire rope end. Moreover, the steel wire rope can be fixed conveniently and has a good use effect.

Description

A device for testing the tensile strength of steel wire rope Technical Field

[0001] This invention relates to the field of wire rope testing technology, and in particular to a device for testing the tensile strength of wire ropes. Background Technology

[0002] Steel wire rope, as an important engineering material, is widely used in many fields such as construction, mining, ports, and bridges. Its tensile strength is a key indicator for measuring the quality and safety of steel wire rope; ensuring that steel wire rope has sufficient tensile strength is crucial for guaranteeing the safe and stable operation of engineering projects. Therefore, accurate and efficient testing of the tensile strength of steel wire rope has significant practical implications. Technical issues

[0003] Currently available wire rope tensile strength testing devices are relatively complex to operate, requiring specialized technicians to perform intricate installation, debugging, and operation procedures. This not only increases labor costs but also reduces testing efficiency. For example, some devices require complex clamp adjustments and fixing processes when installing the wire rope; improper operation can lead to the wire rope slipping off the clamps, affecting test results and posing a significant safety hazard. Therefore, there is an urgent need to design a wire rope tensile strength testing device to address these issues. Technical solutions

[0004] The purpose of this invention is to address the deficiencies in the existing technology by proposing a device for testing the tensile strength of steel wire ropes.

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

[0006] A wire rope tensile strength testing device includes a base, a vertical plate fixedly mounted on the upper surface of the base, a lower mounting block fixedly mounted on the top of the vertical plate, a hydraulic telescopic cylinder fixedly mounted on the upper surface of the base, a top plate fixedly mounted on the telescopic end of the hydraulic telescopic cylinder, a movable plate movably mounted through the outer wall of the top plate, a movable plate fixedly mounted on the top of the movable plate, an upper mounting block fixedly mounted on the bottom of the movable plate, a pressure sensor fixedly mounted on the lower surface of the movable plate, and the pressure sensor located between the movable plate and the top plate, both the upper and lower mounting blocks having tapered openings on their outer walls, and a tapered component movably mounted in the tapered openings, the bottom end of the tapered component having a through hole, and the outer side of the tapered component having a spiral groove, further comprising:

[0007] A connecting component is disposed on the outside of the conical member to confine the conical member within the conical opening, and to reset the conical member back into the conical opening when the conical member moves out of the conical opening under the action of an external force and when the external force disappears.

[0008] A protective component is disposed between the base and the top plate and is used to provide protection when the wire rope is inspected.

[0009] As a further embodiment of the present invention: the connecting assembly includes a mounting bracket fixedly arranged in a ring at equal intervals on the outer wall of the conical component. The side wall of the mounting bracket has a slot, and a plate is inserted into the slot. The plate and the mounting bracket are connected by a limiting bolt. A telescopic rod is movably arranged through the outer wall of the plate. A slider is fixedly arranged at the top end of the telescopic rod, and a baffle is fixedly arranged at the bottom end of the telescopic rod. The outer walls of the upper mounting block and the lower mounting block are both provided with sliding grooves distributed in a ring at equal intervals. The cross-section of the sliding grooves is convex. The slider is slidably arranged in the sliding groove. A spring is also sleeved on the outside of the telescopic rod. One end of the spring is connected to the outer wall of the plate, and the other end of the spring is connected to the outer wall of the baffle.

[0010] As a further embodiment of the present invention: the protective component includes a vertical rod fixedly disposed on the upper surface of the lower mounting block, an arc frame fixedly disposed at the top of the vertical rod, and an arc plate movably disposed within the arc frame, and a handle fixedly disposed on the outer wall of the arc plate.

[0011] As a further embodiment of the present invention: the inner wall of the arc plate is provided with an annular groove, and the inner wall of the annular groove and the inner wall of the arc frame are both fixedly provided with sound-absorbing cotton.

[0012] As a further embodiment of the present invention: the outer wall of the conical member is provided with an annular groove, and the spiral groove is provided with rope insertion ports that are evenly distributed and connected to the annular groove.

[0013] As a further embodiment of the present invention: a rope guide bucket is also fixedly provided at the end of the conical member, and the rope guide bucket is connected to the through hole.

[0014] As a further embodiment of the present invention: the outer wall of the tapered member is provided with a notch between the annular groove and the through hole, and the outer side of the tapered member is also provided with a rope guide groove connected to one end of the spiral groove. Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] This invention provides a wire rope tensile strength testing device. The two ends of the wire rope to be tested can be fixed in a lower mounting block and an upper mounting block, respectively. Fixing involves passing the end of the wire rope through a through hole in a conical component, then pushing the conical component to move it out of the conical opening. After the conical component moves out of the conical opening, the wire rope passing through it can be wound into a spiral groove on the outside of the conical component. Then, the conical component is released, and under the reset action of the connecting assembly, the conical component moves back into the conical opening, clamping the wire rope in the spiral groove between the conical opening and the spiral groove. When testing the tensile strength of the wire rope, a hydraulic telescopic cylinder drives the top plate to move upward, causing the movable plate to move upward synchronously. The upper mounting block and the movable plate are connected by a movable plate, causing the upper mounting block to move upward together, thus pulling the wire rope. The process continues until the wire rope breaks. During the pulling process, the movable plate applies downward pressure to the pressure sensor. When the wire rope breaks, the maximum value detected by the pressure sensor is recorded, which serves to test the tensile strength of the wire rope. Furthermore, during the pulling process, because the end of the wire rope is wound in the spiral groove, the wire rope exerts a certain tension on the conical component. As the tension on the wire rope gradually increases, the pressure applied by the conical component to the conical opening also gradually increases. This makes the clamping force on the end of the wire rope proportional to the tension on the wire rope, effectively preventing slippage at the end of the wire rope that would prevent testing. Additionally, the protective components provide some protection during the testing process, preventing the wire rope from breaking and further improving safety during the testing process, resulting in better performance. Attached Figure Description

[0017] Figure 1 is a first-view structural schematic diagram of a wire rope tensile strength testing device provided in an embodiment of the present invention;

[0018] Figure 2 is a second-view structural schematic diagram of a wire rope tensile strength testing device provided in an embodiment of the present invention;

[0019] Figure 3 is a schematic diagram of the protective component in a wire rope tensile strength testing device provided in an embodiment of the present invention;

[0020] Figure 4 is a schematic diagram of the upper mounting block in a wire rope tensile strength testing device provided in an embodiment of the present invention;

[0021] Figure 5 is a schematic diagram of the conical component in a wire rope tensile strength testing device provided in an embodiment of the present invention;

[0022] Figure 6 is a half-sectional view of the conical component in a wire rope tensile strength testing device provided in an embodiment of the present invention;

[0023] Figure 7 is a third-view structural schematic diagram of a wire rope tensile strength testing device provided in an embodiment of the present invention.

[0024] In the diagram: 101-Base, 102-Vertical plate, 103-Lower mounting block, 104-Hydraulic telescopic cylinder, 105-Top plate, 106-Moving plate, 107-Pressure sensor, 108-Moving plate, 109-Upper mounting block, 110-Conical opening, 111-Conical component, 112-Through hole, 113-Spiral groove, 201-Mounting bracket, 202-Limit bolt, 203-Insert plate, 204-Baffle plate, 205-Spring, 206-Telescopic rod, 207-Slider, 208-Slide groove, 301-Upright pole, 302-Arc frame, 303-Arc plate, 304-Handle, 305-Sound damping cotton, 401-Ring groove, 402-Rope insertion port, 501-Rope guide bucket, 502-Gap, 503-Rope guide groove. Embodiments of the present invention

[0025] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0026] As shown in Figures 1-7, an embodiment of the present invention provides a wire rope tensile strength testing device, including a base 101. A vertical plate 102 is fixedly disposed on the upper surface of the base 101, and a lower mounting block 103 is fixedly disposed at the top of the vertical plate 102. A hydraulic telescopic cylinder 104 is also fixedly disposed on the upper surface of the base 101, and a top plate 105 is fixedly disposed at the telescopic end of the hydraulic telescopic cylinder 104. A movable plate 108 is movably disposed through the outer wall of the top plate 105. A movable plate 106 is fixedly disposed at the top of the movable plate 108, and an upper mounting block 109 is fixedly disposed at the bottom of the movable plate 108. A pressure sensor 107 is fixedly disposed on the lower surface of the movable plate 106. Between the movable plate 106 and the top plate 105, the outer walls of the upper mounting block 109 and the lower mounting block 103 are provided with conical openings 110, and a conical member 111 is movably disposed in the conical opening 110. The bottom end of the conical member 111 is provided with a through hole 112, and the outer side of the conical member 111 is provided with a spiral groove 113. The assembly also includes: a connecting component, which is disposed on the outer side of the conical member 111 and is used to restrict the conical member 111 in the conical opening 110. When the conical member 111 moves out of the conical opening 110 under the action of external force, it is reset to the conical opening 110 after the external force disappears; and a protective component, which is disposed between the base 101 and the top plate 105 and is used to provide protection when the wire rope is tested.

[0027] The two ends of the steel wire rope to be tested can be fixed in the lower mounting block 103 and the upper mounting block 109 respectively. Fixing mainly involves passing the end of the steel wire rope through the through hole 112 on the conical member 111, and then pushing the conical member 111 so that it moves out of the conical opening 110. After the conical member 111 moves out of the conical opening 110, the steel wire rope passing through the conical member 111 can be wound around the spiral groove 113 on the outside of the conical member 111. Then, the conical member 111 is released. When the connecting assembly resets, the conical part 111 moves back into the conical opening 110, and the wire rope in the spiral groove 113 is clamped between the conical opening 110 and the spiral groove 113. When testing the tensile strength of the wire rope, the hydraulic telescopic cylinder 104 drives the top plate 105 to move upward, causing the movable plate 106 to move upward synchronously. The upper mounting block 109 and the movable plate 106 are connected by the moving plate 108, so that the upper mounting block 109 moves upward together. Moving the plate upwards can pull the wire rope until it breaks. During the pulling process, the movable plate 106 applies downward pressure to the pressure sensor 107. When the wire rope breaks, the maximum value detected by the pressure sensor 107 is recorded, which can be used to detect the tensile strength of the wire rope. During the pulling process, since the end of the wire rope is wound in the spiral groove 113, the wire rope will generate a certain tension on the conical member 111. As the tension on the wire rope gradually increases, it will cause the pressure applied by the conical member 111 to the conical opening 110 to gradually increase as well. This makes the clamping force on the end of the wire rope proportional to the tension on the wire rope, thus effectively preventing the end of the wire rope from slipping and making it impossible to detect. In addition, the protective component can also play a certain protective role during the detection process. When the wire rope breaks, it can block the wire rope, further improving the safety of the detection process and making the use more effective.

[0028] As an embodiment of the present invention, please refer to Figures 4, 5, and 6. The connecting assembly includes a mounting bracket 201 that is fixedly arranged in a ring at equal intervals on the outer wall of the conical member 111. The side wall of the mounting bracket 201 has a slot, and a plate 203 is inserted into the slot. The plate 203 and the mounting bracket 201 are connected by a limiting bolt 202. A telescopic rod 206 is movably arranged through the outer wall of the plate 203. A slider 207 is fixedly arranged at the top end of the telescopic rod 206, and a baffle 204 is fixedly arranged at the bottom end of the telescopic rod 206. The outer walls of the upper mounting block 109 and the lower mounting block 103 are both provided with sliding grooves 208 that are distributed in a ring at equal intervals. The cross-section of the sliding grooves 208 is convex. The slider 207 is slidably arranged in the sliding grooves 208. A spring 205 is also sleeved on the outside of the telescopic rod 206. One end of the spring 205 is connected to the outer wall of the insert plate 203, and the other end of the spring 205 is connected to the outer wall of the baffle 204. When the conical part 111 moves out of the conical opening 110 under the action of external force, the conical part 111 will drive the mounting bracket 201 to move. The mounting bracket 201 will drive the insert plate 203 to move outside the telescopic rod 206, so that the spring 205 is stretched. When the external force disappears, the spring 205 can reset the conical part 111 to move back into the conical opening 110. When the limiting bolt 202 is removed, the insert plate 203 can be taken out from the slot on one side of the mounting bracket 201. At this time, the slider 207 can also be slid out from the slide groove 208, so that the limiting of the conical part 111 can be released, making it easier to clean and maintain the conical part 111 and making it more convenient to use.

[0029] As an embodiment of the present invention, please refer to Figures 2 and 3. The protective component includes a vertical rod 301 fixedly disposed on the upper surface of the lower mounting block 103. An arc frame 302 is fixedly disposed at the top of the vertical rod 301, and an arc plate 303 is movably disposed in the arc frame 302. A handle 304 is fixedly disposed on the outer wall of the arc plate 303. The specific materials of the arc plate 303 and the arc frame 302 are not limited. In this embodiment, preferably, the arc plate 303 and the arc frame 302 are made of transparent hard plastic. When the wire rope is clamped and fixed, the handle 304 can be held to drive the arc plate 303 to move, so that the end of the arc plate 303 enters the arc frame 302, causing the arc plate 303 and the arc frame 302 to surround the wire rope. When the wire rope breaks, it can play a role in blocking the wire rope, which can effectively improve the safety of the detection process.

[0030] As an embodiment of the present invention, please refer to Figures 2 and 3. The inner wall of the arc plate 303 is provided with an annular groove 401, and the inner wall of the annular groove 401 and the inner wall of the arc frame 302 are both fixedly provided with sound-absorbing cotton 305. Under the action of the sound-absorbing cotton 305, the noise generated when the wire rope breaks can be effectively reduced, so that the effect is better.

[0031] As an embodiment of the present invention, please refer to Figures 5 and 6. The outer wall of the tapered member 111 is also provided with an annular groove 401, and the spiral groove 113 is provided with rope insertion ports 402 that are evenly distributed and connected to the annular groove 401. When the end of the wire rope is wrapped around the outside of the spiral port, the end of the wire rope can pass through the rope insertion port 402 and enter the annular groove 401, making it less likely for the wire rope to fall out of the spiral groove 113, and making the process of clamping the wire rope more convenient.

[0032] As an embodiment of the present invention, please refer to Figures 4 and 6. The end of the tapered member 111 is also fixedly provided with a rope guide 501, and the rope guide 501 is connected to the through hole 112. When fixing the wire rope, the wire rope can be fed into the rope guide 501, so that the wire rope enters the through hole 112 along the rope guide 501, which plays a role in assisting the wire rope to pass through the through hole 112, and the use effect is better.

[0033] As an embodiment of the present invention, please refer to Figures 5 and 6. The outer wall of the tapered member 111 is provided with a notch 502 between the annular groove 401 and the through hole 112. The outer side of the tapered member 111 is also provided with a rope guide groove 503 connected to one end of the spiral groove 113. When the wire rope is moved out from the end of the through hole 112, the wire rope can be first clamped in the notch 502 and then clamped in the rope guide groove 503. At this time, the wire rope can be quickly wound around the spiral groove 113 along the rope guide groove 503, which further improves the ease of use and the better performance.

[0034] In use, the two ends of the steel wire rope to be tested can be fixed in the lower mounting block 103 and the upper mounting block 109 respectively. Fixing mainly involves passing the end of the steel wire rope through the through hole 112 on the conical member 111, and then pushing the conical member 111 so that it moves out of the conical opening 110. After the conical member 111 moves out of the conical opening 110, the steel wire rope passing through the conical member 111 can be wound around the spiral groove 113 on the outside of the conical member 111, and then the conical member 111 can be released. 1. At this time, under the reset action of the connecting component, the conical part 111 can be moved back into the conical opening 110, and the wire rope in the spiral groove 113 is clamped between the conical opening 110 and the spiral groove 113. When the tensile strength of the wire rope is tested, the top plate 105 can be moved upward by the hydraulic telescopic cylinder 104, so that the movable plate 106 moves upward synchronously. The upper mounting block 109 and the movable plate 106 are connected by the moving plate 108, so that the upper mounting block 109... Moving upwards pulls the wire rope until it breaks. During this pulling process, the movable plate 106 applies downward pressure to the pressure sensor 107. When the wire rope breaks, the maximum value detected by the pressure sensor 107 is recorded, thus detecting the tensile strength of the wire rope. Furthermore, during the pulling process, because the end of the wire rope is wound in the spiral groove 113, the wire rope exerts a certain tension on the conical member 111. As the tension on the wire rope gradually increases, the pressure applied by the conical member 111 to the conical opening 110 also gradually increases. This makes the clamping force on the end of the wire rope proportional to the tension, effectively preventing slippage at the end of the wire rope that would prevent detection. Additionally, the protective components provide some protection during the detection process, preventing the wire rope from breaking and further improving safety and effectiveness.

[0035] It should be noted that although this specification describes the embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for testing the tensile strength of steel wire rope, comprising a base, characterized in that, A vertical plate is fixedly mounted on the upper surface of the base, and a lower mounting block is fixedly mounted on the top of the vertical plate. A hydraulic telescopic cylinder is also fixedly mounted on the upper surface of the base, and a top plate is fixedly mounted on the telescopic end of the hydraulic telescopic cylinder. A movable plate is movably mounted through the outer wall of the top plate. A movable plate is fixedly mounted on the top of the movable plate, and an upper mounting block is fixedly mounted on the bottom of the movable plate. A pressure sensor is fixedly mounted on the lower surface of the movable plate, and the pressure sensor is located between the movable plate and the top plate. Both the upper and lower mounting blocks have tapered openings on their outer walls, and a tapered component is movably mounted in the tapered opening. The bottom end of the tapered component has a through hole, and the outer side of the tapered component has a spiral groove. The base also includes: A connecting component is disposed on the outside of the conical member to confine the conical member within the conical opening, and to reset the conical member back into the conical opening when the conical member moves out of the conical opening under the action of an external force and when the external force disappears. A protective component is disposed between the base and the top plate and is used to provide protection when the wire rope is inspected.

2. The wire rope tensile strength testing device according to claim 1, characterized in that, The connecting assembly includes mounting brackets fixedly arranged in a ring at equal intervals on the outer wall of the conical component. The side wall of the mounting bracket has slots into which insert plates are inserted. The insert plates and the mounting bracket are connected by limiting bolts. A telescopic rod is movably arranged through the outer wall of the insert plate. A slider is fixedly arranged at the top end of the telescopic rod, and a baffle is fixedly arranged at the bottom end of the telescopic rod. The outer walls of the upper and lower mounting blocks are both provided with sliding grooves distributed in a ring at equal intervals. The cross-section of the sliding grooves is convex. The slider is slidably arranged in the sliding grooves. A spring is also sleeved on the outside of the telescopic rod. One end of the spring is connected to the outer wall of the insert plate, and the other end of the spring is connected to the outer wall of the baffle.

3. The wire rope tensile strength testing device according to claim 1, characterized in that, The protective component includes a vertical pole fixedly mounted on the upper surface of the lower mounting block. An arc frame is fixedly mounted at the top of the vertical pole, and an arc plate is movably mounted within the arc frame. A handle is fixedly mounted on the outer wall of the arc plate.

4. The wire rope tensile strength testing device according to claim 3, characterized in that, The inner wall of the arc plate is provided with an annular groove, and the inner wall of the annular groove and the inner wall of the arc frame are both fixedly provided with sound-absorbing cotton.

5. The wire rope tensile strength testing device according to claim 1, characterized in that, The outer wall of the conical part is also provided with an annular groove, and the spiral groove is provided with rope insertion ports that are evenly distributed and connected to the annular groove.

6. The wire rope tensile strength testing device according to claim 5, characterized in that, The end of the conical component is also fixedly provided with a rope guide bucket, and the rope guide bucket is connected to the through hole.

7. The wire rope tensile strength testing device according to claim 6, characterized in that, The outer wall of the tapered component has a notch between the annular groove and the through hole, and the outer side of the tapered component also has a rope guide groove connected to one end of the spiral groove.

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