A device for testing the tensile strength of wind turbine generator wires

Abstract

This utility model relates to the field of wind turbine technology, and particularly to a device for testing the tensile strength of wind turbine generator wires. It includes a testing housing fixed to a testing bracket. The device is characterized by having a first tensile module on the left side of the testing housing and a second tensile module on the right side. A first clamping module and a second clamping module are respectively mounted on the first and second tensile modules, and both are slidably engaged with a sliding limit rod. This utility model provides a wind turbine generator wire tensile strength testing device with high testing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine technology, and in particular to a device for testing the tensile strength of wind turbine generator wires. Background Technology

[0002] Wind turbine cables, also known as wind power cables, are cables specifically designed for wind power generation systems. They possess a variety of adaptability and high-performance characteristics to meet the special environmental requirements of wind power generation systems.

[0003] Since wind turbines are generally installed in special outdoor environments, the strength of their cables and other wires is related to the reliability of the wind turbine generator set's operation. Therefore, during the production process, it is necessary to test the strength of the cables to ensure that they meet production standards. However, existing wind turbine generator set wire tensile strength testing devices require manual tightening of studs to clamp the wires during the testing process. This not only results in low clamping efficiency but also poses a risk of wire detachment. Utility Model Content

[0004] The purpose of this utility model is to provide a device for testing the tensile strength of wind turbine generator wires, which has high testing efficiency.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A device for testing the tensile strength of wind turbine generator wire includes a testing box, which is fixed on a testing bracket. A first tensile module is provided on the left side of the testing box, and a second tensile module is provided on the right side of the testing box.

[0007] A first clamping module and a second clamping module are respectively provided on the first stretching module and the second stretching module, and both the first clamping module and the second clamping module are slidably locked on the sliding limit rod;

[0008] The first clamping module includes a first sliding support plate, which is slidably mounted on a sliding limit rod. A first support plate and a second support plate are vertically arranged on the first sliding support plate. A first clamping cylinder is horizontally arranged on the first support plate, and a first clamping plate is fixed to the piston rod of the first clamping cylinder. A first clamping tooth is located on the first clamping plate. A second clamping cylinder is horizontally arranged on the second support plate, and a second clamping plate is fixed to the piston rod of the second clamping cylinder. A second clamping tooth is located on the second clamping plate. The first clamping tooth can be inserted between the second clamping teeth.

[0009] The second clamping module includes a second sliding support plate, which is slidably mounted on a sliding limit rod. A third support plate and a fourth support plate are vertically upwardly mounted on the second sliding support plate. A third clamping cylinder is horizontally mounted on the third support plate, and a third clamping plate is fixed on the piston rod of the third clamping cylinder. A third clamping tooth is mounted on the third clamping plate. A fourth clamping cylinder is horizontally mounted on the fourth support plate, and a fourth clamping plate is fixed on the piston rod of the fourth clamping cylinder. A fourth clamping tooth is mounted on the fourth clamping plate. The third clamping tooth can be inserted between the fourth clamping teeth.

[0010] As an improvement: a first pressure sensor is provided at the joint between the piston rod of the first clamping cylinder and the first clamping plate; a second pressure sensor is provided at the joint between the piston rod of the second clamping cylinder and the second clamping plate; a third pressure sensor is provided at the joint between the piston rod of the third clamping cylinder and the third clamping plate; and a fourth pressure sensor is provided at the joint between the piston rod of the fourth clamping cylinder and the fourth clamping plate.

[0011] As an improvement, a distance sensor is provided on the right side of the first sliding support plate.

[0012] As an improvement: the first tension module includes a first tension electric cylinder, which is horizontally arranged on the left side of the detection box, and a first tension sensor is provided between the piston rod of the first tension electric cylinder and the first sliding support plate.

[0013] As an improvement: the second tension module includes a second tension electric cylinder, which is horizontally arranged on the right side of the detection box, and a second tension sensor is provided between the piston rod of the second tension electric cylinder and the second sliding support plate.

[0014] As an improvement, a transparent cover is provided on the top of the detection chamber.

[0015] As an improvement: a first alignment plate is provided on the left side of the first sliding support plate, and a first alignment groove is provided on the first mating plate; a second alignment plate is provided on the right side of the second sliding support plate, and a second alignment groove is provided on the second mating plate.

[0016] In summary, this utility model has the following beneficial effects:

[0017] 1. Place both ends of the cable between the first clamping plate and the second clamping plate, and the third clamping plate and the fourth clamping plate respectively, and activate the corresponding clamping cylinders to achieve rapid clamping of the cable.

[0018] 2. Pressure sensors are installed at the joint between the piston rod of the corresponding clamping cylinder and the clamping plate to sense the pressure between the clamping plates, ensuring the reliability of the clamping and reducing the risk of wire derailment. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in this utility model, the accompanying drawings used in the description of the embodiments or prior art will be briefly introduced below.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0022] Figure 3 for Figure 2 Schematic diagram of part A in the middle;

[0023] Figure 4 for Figure 2 Schematic diagram of Part B in the middle section;

[0024] The components include: 1. Detection box; 2. Detection bracket; 3. Sliding limit rod; 4. First sliding support plate; 5. Second sliding support plate; 6. First support upright plate; 7. Second support upright plate; 8. Third support upright plate; 9. Fourth support upright plate; 10. First clamping cylinder; 11. Second clamping cylinder; 12. Third clamping cylinder; 13. Fourth clamping cylinder; 14. First clamping plate; 15. Second clamping plate; 16. Third clamping plate; 17. Fourth clamping plate; 18. First clamping tooth; 19. 20. Second clamping tooth; 21. Third clamping tooth; 22. Fourth clamping tooth; 23. First pressure sensor; 24. Second pressure sensor; 25. Third pressure sensor; 26. Fourth pressure sensor; 27. First tension electric cylinder; 28. Second tension electric cylinder; 29. ​​First tension sensor; 20. Second tension sensor; 31. Transparent cover plate; 32. First alignment plate; 33. Second alignment plate; 34. First alignment groove; 35. Second alignment groove; 36. Control panel. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings.

[0026] Please refer to Figures 1-4 A device for testing the tensile strength of wind turbine generator wire includes a testing box 1, which is fixed on a testing bracket 2. A first tensile module is provided on the left side of the testing box 1, and a second tensile module is provided on the right side.

[0027] A first clamping module and a second clamping module are respectively provided on the first stretching module and the second stretching module, and both the first clamping module and the second clamping module are slidably locked on the sliding limit rod 3;

[0028] The first clamping module includes a first sliding support plate 4, which is slidably mounted on a sliding limit rod 3. A first support plate 6 and a second support plate 7 are vertically mounted on the first sliding support plate 4. A first clamping cylinder 10 is horizontally mounted on the first support plate 6. A first clamping plate 14 is fixed to the piston rod of the first clamping cylinder 10, and a first clamping tooth 18 is mounted on the first clamping plate 14. A second clamping cylinder 11 is horizontally mounted on the second support plate 7. A second clamping plate 15 is fixed to the piston rod of the second clamping cylinder 11, and a second clamping tooth 19 is mounted on the second clamping plate 15. The first clamping tooth 18 can be inserted between the second clamping teeth 19.

[0029] The second clamping module includes a second sliding support plate 5, which is slidably mounted on a sliding limit rod 3. A third support plate 8 and a fourth support plate 9 are vertically mounted on the second sliding support plate 5. A third clamping cylinder 12 is horizontally mounted on the third support plate 8. A third clamping plate 16 is fixed on the piston rod of the third clamping cylinder 12. A third clamping tooth 20 is mounted on the third clamping plate 16. A fourth clamping cylinder 13 is horizontally mounted on the fourth support plate 9. A fourth clamping plate 17 is fixed on the piston rod of the fourth clamping cylinder 13. A fourth clamping tooth 21 is mounted on the fourth clamping plate 17. The third clamping tooth 20 can be inserted between the fourth clamping teeth 21.

[0030] In this embodiment, the two ends of the wire are placed between the first clamping plate 14 and the second clamping plate 15, the third clamping plate 16 and the fourth clamping plate 17 respectively, and the corresponding clamping cylinders are activated to achieve rapid clamping of the cable.

[0031] A first pressure sensor 22 is provided at the joint between the piston rod of the first clamping cylinder 10 and the first clamping plate 14; a second pressure sensor 23 is provided at the joint between the piston rod of the second clamping cylinder 11 and the second clamping plate 15; a third pressure sensor 24 is provided at the joint between the piston rod of the third clamping cylinder 12 and the third clamping plate 16; and a fourth pressure sensor 25 is provided at the joint between the piston rod of the fourth clamping cylinder 13 and the fourth clamping plate 17.

[0032] In this embodiment, pressure sensors are provided at the joint between the piston rod of the corresponding clamping cylinder and the clamping plate to sense the pressure between the corresponding clamping plates, ensuring the reliability of the clamping and reducing the risk of wire derailment.

[0033] A distance sensor is provided on the right side of the first sliding support plate 4.

[0034] The first tensioning module includes a first tensioning electric cylinder 26, which is horizontally disposed on the left side of the detection box 1. A first tension sensor 28 is provided between the piston rod of the first tensioning electric cylinder 26 and the first sliding support plate 4. The second tensioning module includes a second tensioning electric cylinder 27, which is horizontally disposed on the right side of the detection box 1. A second tension sensor 29 is provided between the piston rod of the second tensioning electric cylinder 27 and the second sliding support plate 5.

[0035] In this embodiment, the first tension sensor 28 can sense the tension of the first tension electric cylinder 26 on the first sliding support plate 4, and the second tension sensor 29 can sense the tension of the second tension electric cylinder 27 on the second sliding support plate 5.

[0036] A transparent cover plate 30 is provided on the top of the testing chamber 1. In this embodiment, the transparent cover plate 30 facilitates the observation of the stretching process.

[0037] A first alignment plate 31 is provided on the left side of the first sliding support plate 4, and a first alignment groove 33 is provided on the first mating plate. A second alignment plate 32 is provided on the right side of the second sliding support plate 5, and a second alignment groove 34 is provided on the second mating plate. In this embodiment, when placing the wire, both ends of the wire are placed into the first alignment groove 33 and the second alignment groove 34 respectively, so that the two ends of the wire are attached to the first alignment groove 33 and the second alignment groove 34. The two ends of the wire are manually stretched to the lower left of the first alignment groove 33 and the lower right of the second mating groove respectively, so that the wire is straightened, thereby reducing detection errors.

[0038] In this embodiment, a control panel 35 is provided on the front side of the detection bracket 2. The control panel 35 is connected to the corresponding clamping cylinder, pressure sensor, tension sensor, tension electric cylinder, etc., and can be used to control their actions. This is an existing technical solution and will not be described in detail here. The corresponding clamping cylinder and tension electric cylinder are all integrated electric cylinders.

[0039] Working principle: The cable is placed into the first alignment groove 33 and the second alignment groove 34 and straightened. Then the first clamping cylinder 10 and the second clamping cylinder 11 drive the first clamping plate 14 and the second clamping plate 15 to move in opposite directions, respectively. Then the second clamping cylinder 11 and the third clamping cylinder 12 drive the third clamping plate 16 and the fourth clamping plate 17 to move in opposite directions, clamping and fixing the two ends of the cable with a certain pressure.

[0040] After clamping and fixing, the first tension electric cylinder 26 is activated to move the first sliding support plate 4 to the left, and the second tension electric cylinder 27 moves the second sliding support plate 5 to the right to stretch the cable. During the stretching process, the first tension sensor 28 and the second tension sensor 29 detect the tension on the cable until the cable breaks, and transmit the tension value to the control panel 35.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A device for testing the tensile strength of wind turbine generator wire, comprising a testing housing, wherein the testing housing is fixed on a testing bracket, characterized in that, A first tensile module is provided on the left side of the detection chamber, and a second tensile module is provided on its right side; A first clamping module and a second clamping module are respectively provided on the first stretching module and the second stretching module, and both the first clamping module and the second clamping module are slidably locked on the sliding limit rod; The first clamping module includes a first sliding support plate, which is slidably mounted on a sliding limit rod. A first support plate and a second support plate are vertically arranged on the first sliding support plate. A first clamping cylinder is horizontally arranged on the first support plate, and a first clamping plate is fixed to the piston rod of the first clamping cylinder. A first clamping tooth is located on the first clamping plate. A second clamping cylinder is horizontally arranged on the second support plate, and a second clamping plate is fixed to the piston rod of the second clamping cylinder. A second clamping tooth is located on the second clamping plate. The first clamping tooth can be inserted between the second clamping teeth. The second clamping module includes a second sliding support plate, which is slidably mounted on a sliding limit rod. A third support plate and a fourth support plate are vertically upwardly mounted on the second sliding support plate. A third clamping cylinder is horizontally mounted on the third support plate, and a third clamping plate is fixed on the piston rod of the third clamping cylinder. A third clamping tooth is mounted on the third clamping plate. A fourth clamping cylinder is horizontally mounted on the fourth support plate, and a fourth clamping plate is fixed on the piston rod of the fourth clamping cylinder. A fourth clamping tooth is mounted on the fourth clamping plate. The third clamping tooth can be inserted between the fourth clamping teeth.

2. The wind turbine generator wire tensile strength testing device according to claim 1, characterized in that, A first pressure sensor is provided at the joint between the piston rod of the first clamping cylinder and the first clamping plate; a second pressure sensor is provided at the joint between the piston rod of the second clamping cylinder and the second clamping plate; a third pressure sensor is provided at the joint between the piston rod of the third clamping cylinder and the third clamping plate; and a fourth pressure sensor is provided at the joint between the piston rod of the fourth clamping cylinder and the fourth clamping plate.

3. The wind turbine generator wire tensile strength testing device according to claim 1, characterized in that, A distance sensor is provided on the right side of the first sliding support plate.

4. The wind turbine generator wire tensile strength testing device according to claim 1, characterized in that, The first tension module includes a first tension electric cylinder, which is horizontally disposed on the left side of the detection box. A first tension sensor is provided between the piston rod of the first tension electric cylinder and the first sliding support plate.

5. The wind turbine generator wire tensile strength testing device according to claim 1, characterized in that, The second tension module includes a second tension electric cylinder, which is horizontally arranged on the right side of the detection box. A second tension sensor is provided between the piston rod of the second tension electric cylinder and the second sliding support plate.

6. The wind turbine generator wire tensile strength testing device according to claim 1, characterized in that, A transparent cover is provided on the top of the detection chamber.

7. The wind turbine generator wire tensile strength testing device according to claim 1, characterized in that, A first alignment plate is provided on the left side of the first sliding support plate, and a first alignment groove is provided on the first mating plate. A second alignment plate is provided on the right side of the second sliding support plate, and a second alignment groove is provided on the second mating plate.

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