Wind power plant grounding transformer protection cable laying structure
By designing an adjustable angle guide wheel in the wind farm grounding variable protection cable laying structure, the damage problem of the cable at the bend is solved, and the adaptability and protection effect of the laying are improved.
Patent Information
- Application Number
- CN202422755281.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-11-12
AI Technical Summary
During the laying of grounding variable protection cables in the wind farm, the cable is susceptible to excessive compression or stretching when the corner wellhead or pipe opening is bent, resulting in damage to the outer skin and deformation of the internal conductor.
A wind farm grounding variable protection cable laying structure is designed, including a mounting frame, the first and second vertical frames and guide wheels. The guide wheel can adjust the angle of the guide wheel and its angle adjustment structure. By adjusting the angle of the guide wheel to adapt to different corner conditions, the cable can be successfully passed.
Improve the adaptability of cable laying, avoid damage to the cable at the bend, and achieve effective cable protection.
Smart Images
Figure CN223230775U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cable laying equipment, in particular to a wind farm grounding transformer protection cable laying structure. Background Art
[0002] During the laying of grounding transformer protection cables in wind farms, the following equipment is usually used: Cable conveyor, function: to push the cable forward in the cable channel at a uniform speed through mechanical power, which can effectively improve the efficiency of cable laying and reduce the intensity of manual labor; it can ensure that the cable maintains a stable speed and direction during the laying process to avoid cable damage; features: it has a certain conveying capacity and can adapt to cables of different specifications; it is relatively easy to operate and the conveying speed can be adjusted according to actual conditions; traction machine, function: to provide traction for cable laying, and to be used in conjunction with the cable conveyor so that the cable can pass through the cable channel smoothly; the traction force of the traction machine can be adjusted according to the length, weight and laying environment of the cable; features: it has sufficient traction to meet the needs of cable laying; it usually has a speed regulation function, which can achieve traction at different speeds;
[0003] When the grounding transformer protection cable is being dragged and transported, a guide wheel is required when the cable needs to be bent at a corner wellhead or pipe mouth to prevent the cable from being cut by hard external objects. During actual operation, the cable is easily subjected to greater stress at the bend. If the angle between the guide wheels is fixed and inappropriate, the cable may be excessively squeezed or stretched at the corner, resulting in damage to the cable sheath and deformation of the internal conductor. Utility Model Content
[0004] The purpose of the present utility model is to provide a wind farm grounding transformer protection cable laying structure to solve the defects mentioned in the above background technology.
[0005] To achieve the above-mentioned purpose, a wind farm grounding transformer protection cable laying structure is provided, including a mounting frame, a first vertical frame is fixedly installed on the left side of the surface of the mounting frame, and a first guide wheel is movably installed on the top of the first vertical frame, and a second vertical frame is fixedly installed on the right side of the surface of the mounting frame, and a second guide wheel is movably installed on the top of the second vertical frame, the guide wheel and its angle adjustment structure are installed on the second vertical frame, the guide wheel and its angle adjustment structure include a fixed frame movably installed on the second vertical frame through a pin shaft, and a third guide wheel is movably installed at the end of the fixed frame, and a fixed guide rod is welded to the surface of the fixed frame.
[0006] Preferably, the first vertical frame and the second vertical frame have the same height, and the first guide wheel on the first vertical frame and the second guide wheel on the second vertical frame are arranged horizontally.
[0007] Preferably, a base frame is fixedly mounted on the bottom of the mounting frame, and the base frame is made of metal material and is arranged in a "mouth" shape.
[0008] Preferably, the fixing brackets are provided in two groups and are respectively installed on both sides of the third guide wheel, and the two groups of fixing brackets are fixedly connected to the guide rods, and the guide rods are arc-shaped structures made of metal material.
[0009] Preferably, the arc-shaped guide rod and the pin shaft at the bottom of the fixing frame are concentric circles, and the guide rod is movably inserted into the guide groove provided in the guide seat.
[0010] Preferably, the guide seat is fixedly arranged on the outer surface of the second vertical frame, and a guide groove is opened inside the guide seat. At the same time, the guide groove is adapted to the size of the guide rod, and the guide groove is arc-shaped, and the curvature of the guide groove and the guide rod are consistent.
[0011] Preferably, a stud is fixedly installed inside the guide groove, and a guide opening is opened inside the guide rod. At the same time, the guide opening is adapted to the size of the stud, and the stud passes through the guide opening and is screwed to the fixing nut, and the surface height of the guide seat is lower than the surface height of the guide rod.
[0012] Compared with the existing technology, the beneficial effect of the present invention is that during the cable laying process, when the wellhead or pipe mouth needs to be bent, the angle between the first vertical frame and the third guide wheel is adjusted according to the angle at which the cable needs to be bent. By adjusting the angle between the first vertical frame and the third guide wheel, the purpose of adjustment according to the specific corner situation is achieved, ensuring the smooth passage of the cable, greatly improving the adaptability of the laying work, and at the same time achieving protection of the cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a front view schematic diagram of the structure of the utility model;
[0014] Figure 2 for Figure 1 Bottom view of
[0015] Figure 3 for Figure 1 A top view of
[0016] Figure 4 Schematic diagram of the guide wheel and its angle adjustment structure.
[0017] Numbers in the figure: 1. First guide wheel; 2. First vertical frame; 3. Mounting frame; 4. Base frame; 5. Second guide wheel; 6. Second vertical frame; 7. Guide wheel and its angle adjustment structure; 71. Third guide wheel; 72. Fixed frame; 73. Guide rod; 74. Guide port; 75. Guide seat; 76. Stud; 77. Guide groove. DETAILED DESCRIPTION
[0018] See also Figure 1-4 The utility model provides a wind farm grounding transformer protection cable laying structure, including a mounting frame 3, a first vertical frame 2 is fixedly installed on the left side of the surface of the mounting frame 3, and a first guide wheel 1 is movably installed on the top of the first vertical frame 2, and a second vertical frame 6 is fixedly installed on the right side of the surface of the mounting frame 3, and a second guide wheel 5 is movably installed on the top of the second vertical frame 6, and a guide wheel and an angle adjustment structure 7 are installed on the second vertical frame 6. The guide wheel and the angle adjustment structure 7 include a fixing frame 72 movably installed on the second vertical frame 6 through a pin shaft, and a third guide wheel 71 is movably installed at the end of the fixing frame 72, and a fixed guide rod 73 is welded to the surface of the fixing frame 72.
[0019] Working principle: When it is necessary to lay the cable, the cable is laid on the first guide wheel 1, the first vertical frame 2 and the third guide wheel 71 respectively. The setting of the three sets of guide wheels facilitates the setting of cable laying. When the wellhead or pipe mouth needs to be bent, the angle between the first vertical frame 2 and the third guide wheel 71 is adjusted according to the angle at which the cable needs to be bent. By adjusting the angle between the first vertical frame 2 and the third guide wheel 71, the purpose of adjustment according to the specific corner situation is achieved, whether it is 90 The most suitable guide wheel angle setting can be found for any right angle or any other angle, ensuring the smooth passage of the cable, greatly improving the adaptability of the laying work, and realizing the protection of the cable at the same time; the angle between the first vertical frame 2 and the third guide wheel 71 is adjusted as follows: the nut screwed on the stud 76 is loosened, and the third guide wheel 71 is held by hand to adjust the angle between the third guide wheel 71 and the second guide wheel 5, and the guide rod 73 is movably inserted into the guide groove 77 provided inside the guide seat 75, which can adjust the angle when moving. The third guide wheel 71 is limited and guided to ensure the stability of the third guide wheel 71 during movement, and will not tilt, and at the same time, the misalignment between the third guide wheel 71 and the second guide wheel 5 is avoided; at this time, the stud 76 is inserted into the inside of the guide opening 74, and when the angle of the third guide wheel 71 is adjusted, the nut on the stud 76 is tightened. Since the surface height of the guide seat 75 is lower than the surface height of the guide rod 73, the guide rod 73 can be locked inside the guide seat 75, preventing the third guide wheel 71 from loosening during operation.
[0020] As a preferred embodiment, the first vertical frame 2 and the second vertical frame 6 have the same height, and the first guide wheel 1 on the first vertical frame 2 and the second guide wheel 5 on the second vertical frame 6 are arranged horizontally.
[0021] A base frame 4 is fixedly mounted on the bottom of the mounting frame 3 , and the base frame 4 is made of metal and is in a “mouth” shape.
[0022] As a preferred embodiment, the fixing frames 72 are provided in two groups and are respectively installed on both sides of the third guide wheel 71 , and the two groups of fixing frames 72 are fixedly connected to the guide rods 73 , and the guide rods 73 are arc-shaped structures made of metal.
[0023] The arc-shaped guide rod 73 and the pin at the bottom of the fixing frame 72 are concentric circles, and the guide rod 73 is movably inserted into the guide groove 77 provided in the guide seat 75 .
[0024] As a preferred embodiment, the guide seat 75 is fixedly arranged on the outer surface of the second vertical frame 6, and a guide groove 77 is opened inside the guide seat 75. At the same time, the guide groove 77 is adapted to the size of the guide rod 73, and the guide groove 77 is arc-shaped, and the curvature of the guide groove 77 and the guide rod 73 are consistent.
[0025] A stud 76 is fixedly installed inside the guide groove 77, and a guide opening 74 is opened inside the guide rod 73. At the same time, the guide opening 74 is adapted to the size of the stud 76, and the stud 76 passes through the guide opening 74 and is screwed to the fixing nut. The surface height of the guide seat 75 is lower than the surface height of the guide rod 73.
Claims
1. A wind farm grounding transformer protection cable laying structure, comprising a mounting frame (3), characterized in that: A first vertical frame (2) is fixedly mounted on the left side of the surface of the mounting frame (3), and a first guide wheel (1) is movably mounted on the top of the first vertical frame (2). Meanwhile, a second vertical frame (6) is fixedly mounted on the right side of the surface of the mounting frame (3), and a second guide wheel (5) is movably mounted on the top of the second vertical frame (6). A guide wheel and an angle adjustment structure (7) thereof are mounted on the second vertical frame (6). The guide wheel and the angle adjustment structure (7) thereof include a fixing frame (72) movably mounted on the second vertical frame (6) via a pin shaft, and a third guide wheel (71) is movably mounted on the end of the fixing frame (72). Meanwhile, a fixed guide rod (73) is welded to the surface of the fixing frame (72).
2. A wind farm grounding transformer protection cable laying structure according to claim 1, characterized in that: The first vertical frame (2) and the second vertical frame (6) have the same height, and the first guide wheel (1) on the first vertical frame (2) and the second guide wheel (5) on the second vertical frame (6) are arranged horizontally.
3. The wind farm grounding transformer protection cable laying structure according to claim 1, characterized in that: A base frame (4) is fixedly mounted on the bottom of the mounting frame (3), and the base frame (4) is made of metal material and is arranged in a "mouth" shape.
4. The wind farm grounding transformer protection cable laying structure according to claim 1, characterized in that: The fixing frames (72) are provided in two groups and are respectively installed on both sides of the third guide wheel (71), and the two groups of fixing frames (72) are fixedly connected to the guide rods (73), and the guide rods (73) are arc-shaped structures made of metal material.
5. A wind farm grounding transformer protection cable laying structure according to claim 4, characterized in that: The arc-shaped guide rod (73) and the pin at the bottom of the fixed frame (72) are concentric structures, and the guide rod (73) is movably inserted into the guide groove (77) opened inside the guide seat (75).
6. A wind farm grounding transformer protection cable laying structure according to claim 5, characterized in that: The guide seat (75) is fixedly arranged on the outer surface of the second vertical frame (6), and a guide groove (77) is provided inside the guide seat (75). The guide groove (77) is adapted to the size of the guide rod (73), and the guide groove (77) is arranged in an arc shape, and the curvature of the guide groove (77) and the guide rod (73) are consistent.
7. A wind farm grounding transformer protection cable laying structure according to claim 6, characterized in that: A stud (76) is fixedly installed inside the guide groove (77), and a guide opening (74) is opened inside the guide rod (73). At the same time, the guide opening (74) is adapted to the size of the stud (76), and the stud (76) passes through the guide opening (74) and is screwed and fixed to the fixing nut. The surface height of the guide seat (75) is lower than the surface height of the guide rod (73).