Height-adjustable wind measurement mast of wind turbine generator

Abstract

The height-adjustable wind measurement mast comprises an upper mast assembly and a lower mast assembly, the upper mast assembly is detachably installed on the top of the lower mast assembly, and the bottom of the lower mast assembly is connected with a cabin of the wind turbine generator. The upper mast assembly comprises a semispherical lightning rod, an equipment mounting and fixing plate, a supporting frame, a reinforcing rib plate and a mounting base, the semispherical lightning rod is mounted on the equipment mounting and fixing plate, a preset distance is reserved between the semispherical lightning rod and the equipment mounting and fixing plate, and a plurality of equipment mounting holes are formed in the equipment mounting and fixing plate; the upper end of the supporting frame is connected with the bottom of the equipment installation fixing plate, the lower end of the supporting frame is connected with the installation base, and the reinforcing rib plates are arranged between the supporting frame and the installation base. The height of the wind measurement mast can be adjusted according to actual conditions, the problem that wind measurement data are inaccurate due to the fact that an anemorumbometer on the wind measurement mast is shielded by an object is solved, and the wind measurement mast is simple in structure and convenient to install and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine wind measuring masts, in particular to a wind turbine wind measuring mast with adjustable height. Background Art

[0002] The wind measuring mast of a wind turbine is usually installed on the top of the nacelle and has the function of measuring wind speed and direction. However, due to the obstruction of objects such as blades, the data measurement of the anemometer is inaccurate. Utility Model Content

[0003] The utility model aims to solve the deficiencies in the prior art and provides a wind turbine set adjustable height wind measuring mast, which can adjust its height according to actual conditions, avoiding the problem of inaccurate wind measurement data caused by objects blocking the anemometer on the wind measuring mast. The wind measuring mast has a simple structure and is easy to install and maintain.

[0004] To achieve the above-mentioned purpose, the technical solution provided by the utility model is as follows: a wind turbine set adjustable height wind measurement mast, comprising an upper mast assembly and a lower mast assembly, wherein the upper mast assembly is detachably mounted on the top of the lower mast assembly, and the bottom of the lower mast assembly is connected to the nacelle of the wind turbine set for raising the wind measurement height; the upper mast assembly comprises a hemispherical lightning rod, an equipment installation fixing plate, a support frame, a reinforcing rib plate and a mounting base, wherein the hemispherical lightning rod is mounted on the equipment installation fixing plate, and a preset spacing is reserved between the hemispherical lightning rod and the equipment installation fixing plate, wherein the equipment installation fixing plate is provided with a plurality of equipment installation holes for installing wind measurement equipment, wherein the upper end of the support frame is connected to the bottom of the equipment installation fixing plate, and the lower end of the support frame is connected to the mounting base, and the reinforcing rib plate has a plurality of pieces arranged between the support frame and the mounting base; wherein the upper end and the lower end of the support frame are provided with a plurality of threading holes, the interior of the support frame is a hollow structure, and the mounting base is provided with a threading hole corresponding to the hollow structure of the support frame for passing the cable of the wind measurement equipment.

[0005] Furthermore, the lower mast assembly includes an upper connecting plate, a first mast frame, a second mast frame and a lower connecting plate; the upper connecting plate is detachably connected to the mounting base, the first mast frame is installed below the upper connecting plate, the second mast frame is detachably installed below the first mast frame, and the lower connecting plate is installed at the bottom of the second mast frame and is detachably connected to the cabin of the wind turbine set.

[0006] Furthermore, the first mast frame and the second mast frame are detachably connected via a bolt assembly, a bolt pin is provided at the bottom end of the first mast frame, and a corresponding bolt buckle is provided at the top end of the second mast frame, and the bolt pin cooperates with the bolt buckle to fix and support the first mast frame and the second mast frame.

[0007] Furthermore, the upper connecting plate is provided with a cable hole matching the wire hole of the mounting base, and the first mast frame and the second mast frame are provided with a plurality of cable fixing holes, each cable fixing hole is equipped with a cable tie for fixing the cables arranged along the inner side of the first mast frame and the second mast frame.

[0008] Furthermore, the mounting base and the upper connecting plate are both provided with corresponding fixing holes, and the lower connecting plate is provided with a plurality of rounded rectangular holes for connecting to the cabin.

[0009] Furthermore, the second mast frame is provided with a plurality of footrests for people to climb.

[0010] Furthermore, a plurality of mounting holes are formed on the reinforcing rib plate.

[0011] Furthermore, a sling or hook for hanging the upper mast assembly is detachably mounted on the mounting hole.

[0012] Furthermore, a cable tie for fixing the cable is installed on the mounting hole.

[0013] Furthermore, the hemispherical lightning rod comprises a current guide needle and a hemispherical conductor, and the current guide needle is installed on the top of the hemispherical conductor.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0015] 1. The utility model has a simple structure and can flexibly adjust the overall height by adjusting the height of the lower mast assembly, thereby solving the problem of inaccurate wind measurement data caused by the anemometer being blocked;

[0016] 2. The components of the utility model are all detachably connected, and when it is necessary to replace a component, the installation and disassembly are convenient and simple;

[0017] 3. The structure of the utility model enables the cables to be routed through the inside of the support frame and the inside of the first mast frame and the second mast frame, thereby ensuring the life of the cables and the reliability of the equipment;

[0018] 4. The lower connection plate of the utility model is provided with a plurality of rounded rectangular holes for connecting to the cabin, which is convenient for docking and installation with the cabin;

[0019] 5. The bolt pin of the utility model cooperates with the bolt buckle to provide support for the installation between the first mast frame and the second mast frame, which is convenient for disassembly;

[0020] 6. The second mast frame of the utility model is equipped with footrests to facilitate maintenance personnel to climb. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a structural schematic diagram of the utility model.

[0022] Figure 2 This is one of the structural schematic diagrams of the upper mast assembly.

[0023] Figure 3 This is the second structural schematic diagram of the upper mast assembly.

[0024] Figure 4 This is the third structural schematic diagram of the upper mast assembly.

[0025] Figure 5 It is a schematic diagram of the connection structure of the mounting base and the reinforcing rib plate of the upper mast assembly.

[0026] Figure 6 It is a structural schematic diagram of the lower mast assembly.

[0027] Figure 7 It is a schematic diagram of the connection structure between the upper connecting plate and the first mast frame.

[0028] Figure 8 It is a schematic diagram of the connection structure between the lower connecting plate and the second mast frame.

[0029] Fig. 9 This is a schematic diagram of the connection structure between the first mast rack and the second mast rack.

[0030] Fig.10 This is the second schematic diagram of the connection structure between the first mast rack and the second mast rack.

[0031] Fig.11 It is a schematic diagram of the structure of the bolt pin and the bolt buckle. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with specific embodiments.

[0033] See also Figures 1 to 11 As shown, the wind turbine set adjustable height wind measurement mast provided in this embodiment includes an upper mast component a and a lower mast component b, wherein the upper mast component a is detachably mounted on the top of the lower mast component b, and the bottom of the lower mast component b is connected to the cabin of the wind turbine set (not shown in the figure) for raising the wind measurement height;

[0034] The upper mast assembly a includes a hemispherical lightning rod a1, an equipment installation fixing plate a2, a support frame a3, a reinforcing rib plate a4 and a mounting base a5. The hemispherical lightning rod a1 includes a lead-in needle and a hemispherical conductor. The lead-in needle is installed at the top of the hemispherical conductor. The hemispherical lightning rod a1 is installed on the equipment installation fixing plate a2, and a preset spacing is reserved between the hemispherical lightning rod a1 and the equipment installation fixing plate a2. The equipment installation fixing plate a2 is provided with a plurality of equipment installation holes a201 for installing wind measuring equipment. The wind measuring equipment includes an anemometer and an aviation light (not shown in the figure). These wind measuring equipment can be located inside the hemispherical lightning rod a1 to avoid being struck by lightning. The upper end of the support frame a3 is connected to the bottom of the equipment installation fixing plate a2, and the lower end of the support frame a3 is connected to the mounting base a5. The reinforcing rib plate a4 has four pieces arranged on the support frame a3. and the mounting base a5; wherein, the upper and lower ends of the support frame a3 are provided with a plurality of threading holes a301, the interior of the support frame a3 is a hollow structure, and the mounting base a5 is provided with a wire hole a501 corresponding to the wire hole a301 at the lower end of the support frame a3, for the passage of cables of wind measuring equipment, effectively preventing the cables from being damaged and rubbed by wind and sun, and improving the life of the cables and the reliability of equipment such as anemometers, wind speed and direction instruments, and aviation lights; the reinforcing rib plate a4 is provided with a plurality of mounting holes a401, and the mounting holes a401 are detachably provided with a sling or hook (not shown in the figure) for hanging the upper mast assembly a or a cable tie (not shown in the figure) for fixing the cables, and the strength of the entire upper mast assembly a is effectively improved by the reinforcing rib plate a4, which is sufficient to support the weight of the entire upper mast assembly a and its equipment and can withstand wind loads and equipment vibrations.

[0035] The lower mast assembly b includes an upper connecting plate b1, a first mast frame b2, a second mast frame b3 and a lower connecting plate b4; the mounting base a5 and the upper connecting plate b1 are both provided with corresponding fixing holes, and the upper connecting plate b1 and the mounting base a5 are detachably connected by a bolt assembly; the first mast frame b2 is installed below the upper connecting plate b1, the second mast frame b3 is detachably installed below the first mast frame b2, and the lower connecting plate b4 is installed at the bottom of the second mast frame b3, and the lower connecting plate b4 is provided with a plurality of rounded rectangular holes b401 for cabin connection, and is detachably connected to the cabin of the wind turbine set (not shown in the figure) through the rounded rectangular holes b401.

[0036] Among them, the cable of the wind measuring equipment extends from the mounting base a5 to the cable hole b101 of the upper connecting plate b1, and is wired along the inner sides of the columns of the first mast frame b2 and the second mast frame b3; the first mast frame b2 and the second mast frame b3 are detachably connected by a bolt assembly, a bolt pin c is provided at the bottom end of the first mast frame b2, and a corresponding bolt buckle d is provided at the top end of the second mast frame b3, and the bolt pin c cooperates with the bolt buckle d to fix and support the first mast frame b2 and the second mast frame b3; the upper connecting plate b1 is provided with a wire hole a501 that cooperates with the mounting base a5 Cable hole b101, a plurality of cable fixing holes e are provided on the first mast frame b2 and the second mast frame b3, each cable fixing hole e is equipped with a cable tie (not shown in the figure), which is used to fix the cables arranged along the inner side of the first mast frame b2 and the second mast frame b3. As the fixing point of the cables, it can effectively fix and protect the cables, and improve the life of the cables and the reliability of equipment such as anemometers, wind speed and direction instruments, and aviation lights; the second mast frame b3 is provided with a plurality of footrests b301 for people to climb, and at the same time, the height of the first mast frame b2 and the second mast frame b3 can be set according to the actual length of components such as wind turbine blades to avoid being blocked.

[0037] The embodiments described above are only preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. Therefore, all changes made based on the shape and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wind turbine with adjustable height wind measurement mast, characterized in that: The invention relates to a method for raising the wind measurement height of the wind turbine according to the present invention, wherein the upper mast assembly and the lower mast assembly are detachably mounted on the top of the lower mast assembly, and the bottom of the lower mast assembly is connected to the nacelle of the wind turbine set for raising the wind measurement height; the upper mast assembly comprises a hemispherical lightning rod, an equipment mounting fixing plate, a support frame, a reinforcing rib plate and a mounting base, the hemispherical lightning rod is mounted on the equipment mounting fixing plate, and a preset spacing is reserved between the hemispherical lightning rod and the equipment mounting fixing plate, the equipment mounting fixing plate is provided with a plurality of equipment mounting holes for installing the wind measuring equipment, the upper end of the support frame is connected to the bottom of the equipment mounting fixing plate, the lower end of the support frame is connected to the mounting base, and the reinforcing rib plate has multiple pieces arranged between the support frame and the mounting base; wherein, a plurality of wire threading holes are provided at the upper and lower ends of the support frame, the interior of the support frame is a hollow structure, and the mounting base is provided with wire threading holes corresponding to the wire threading holes at the lower end of the support frame for passing the cables of the wind measuring equipment.

2. The height-adjustable wind measuring mast for a wind turbine according to claim 1, characterized in that: The lower mast assembly includes an upper connecting plate, a first mast frame, a second mast frame and a lower connecting plate; the upper connecting plate is detachably connected to the mounting base, the first mast frame is installed below the upper connecting plate, the second mast frame is detachably installed below the first mast frame, and the lower connecting plate is installed at the bottom of the second mast frame and is detachably connected to the cabin of the wind turbine set.

3. The height-adjustable wind measuring mast for a wind turbine according to claim 2, characterized in that: The first mast frame and the second mast frame are detachably connected via a bolt assembly, a bolt pin is provided at the bottom end of the first mast frame, and a corresponding bolt buckle is provided at the top end of the second mast frame, and the bolt pin cooperates with the bolt buckle to fix and support the first mast frame and the second mast frame.

4. The height-adjustable wind measuring mast for a wind turbine according to claim 2, characterized in that: The upper connecting plate is provided with a cable hole matching the wire hole of the mounting base, and the first mast frame and the second mast frame are provided with a plurality of cable fixing holes, each cable fixing hole is equipped with a cable tie for fixing the cables arranged along the inner side of the first mast frame and the second mast frame.

5. The height-adjustable wind measuring mast for a wind turbine according to claim 2, characterized in that: The mounting base and the upper connecting plate are both provided with corresponding fixing holes, and the lower connecting plate is provided with a plurality of rounded rectangular holes for connecting the cabin.

6. The height-adjustable wind measuring mast for a wind turbine according to claim 2, characterized in that: The second mast frame is provided with a plurality of footrests for people to climb.

7. The height-adjustable wind-measuring mast for a wind turbine according to claim 1, characterized in that: The reinforcing rib plate is provided with a plurality of mounting holes.

8. The height-adjustable wind measuring mast for a wind turbine according to claim 7, characterized in that: A sling or hook for hanging the upper mast assembly is detachably mounted on the mounting hole.

9. The height-adjustable wind measuring mast for a wind turbine according to claim 7, characterized in that: A cable tie for fixing the cable is installed on the installation hole.

10. The height-adjustable wind-measuring mast for a wind turbine according to claim 1, characterized in that: The hemispherical lightning rod comprises a current-guiding needle and a hemispherical conductor, wherein the current-guiding needle is installed on the top of the hemispherical conductor.

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