A limit sensor mounting structure for a variable pitch system
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUSHI NEW ENERGY TECH (SHANGHAI) CO LTD
- Filing Date
- 2025-07-03
- Publication Date
- 2026-07-14
Smart Images
Figure CN224499533U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of wind turbine generator sets, specifically relating to a limit sensor mounting structure for a pitch system. Background Technology
[0002] The original pitch control system of the wind turbine generator set has become unable to meet the response speed requirements of the main control system after long-term operation, posing a significant safety hazard to the wind turbine generator set. Technical upgrades to the pitch control system are necessary, including the pitch driver, pitch controller, other electrical components, limit sensors, and proximity switches. In particular, the installation requirements of the new pitch control system typically necessitate new installation positions for the limit sensors, which the original pitch control system cannot easily meet, leading to construction difficulties.
[0003] Therefore, the applicant seeks technical solutions to improve the aforementioned technical problems. Summary of the Invention
[0004] In view of this, the purpose of this utility model is to propose a limit sensor installation structure for a pitch system. The structure utilizes a bracket mounting part to achieve adjustable installation on the hub, and a sensor mounting part to achieve adjustable installation of the limit sensor. In practical applications, by combining the two for adjustable installation, a universal and rapid installation effect of the limit sensor on the hub of the existing pitch system can be achieved, meeting the rapid construction needs of retrofitting old pitch systems, reducing retrofitting costs, and saving construction time.
[0005] Therefore, the technical solution adopted by this utility model is as follows:
[0006] A limit sensor mounting structure for a pitch system includes an L-shaped limit sensor mounting bracket. The limit sensor mounting bracket includes a bracket mounting portion at the bottom and a sensor mounting portion extending integrally upward from the side of the bracket mounting portion. The limit sensor is fixedly mounted on the sensor mounting portion in a displacement-adjustable manner, and the bracket mounting portion is fixedly mounted on the hub in a displacement-adjustable manner.
[0007] Preferably, the bracket mounting part is provided with a plurality of waist-shaped mounting adjustment holes distributed at intervals, and the waist-shaped mounting adjustment holes achieve displacement adjustment and installation on the wheel hub by cooperating with fasteners.
[0008] Preferably, a circular mounting hole is also provided between adjacent waist-shaped mounting adjustment holes.
[0009] Preferably, the fastener is a standard screw.
[0010] Preferably, the sensor mounting part is provided with a plurality of spaced limit sensor mounting adjustment holes, which, in cooperation with the sensor fasteners, enable the displacement adjustment and installation of the limit sensor on the limit sensor mounting bracket.
[0011] Preferably, the limit sensors are provided with mounting holes spaced vertically; at the same time, the sensor mounting part is provided with a plurality of limit sensor mounting adjustment hole groups spaced horizontally, wherein each limit sensor mounting adjustment hole group includes limit sensor mounting adjustment holes that correspond one-to-one with each mounting hole, and the displacement adjustment of the limit sensor on the limit sensor mounting bracket is realized by cooperating with the sensor fastener.
[0012] Preferably, the limit sensor is provided with a first mounting hole and a second mounting hole that are spaced vertically apart, and the first mounting hole and the second mounting hole are directly corresponding in the vertical direction.
[0013] Preferably, the sensor fastener is a standard screw, and each mounting hole passes through the limit sensor. The sensor fastener passes through the mounting hole and is fastened to its corresponding limit sensor mounting adjustment hole.
[0014] Preferably, each mounting hole is located on the outside of the limit sensor, and a sensor signal output structure is mounted and connected on this side.
[0015] Preferably, the limit sensor mounting bracket is made of a one-piece aluminum molded part.
[0016] This utility model provides a limit sensor mounting bracket, consisting of a bracket mounting part located at the bottom and a sensor mounting part extending upwardly from the side of the bracket mounting part, as the mounting structure for the limit sensor. The bracket mounting part enables adjustable installation on the hub, and the sensor mounting part enables adjustable installation of the limit sensor. In practical applications, by combining the two for adjustable installation, a universal and rapid installation effect of the limit sensor on the hub of the existing pitch system can be achieved, meeting the rapid construction needs of retrofitting old pitch systems, reducing retrofitting costs, and saving construction time. Attached Figure Description
[0017] Figure 1 This is a front view of the limit sensor mounting structure of the pitch system in a specific embodiment of this application.
[0018] Figure 2 yes Figure 1 A top-view structural diagram;
[0019] Figure 3 It is Figure 1A schematic diagram of the structure after rotation at a certain angle. Detailed Implementation
[0020] This utility model discloses a limit sensor mounting structure for a pitch system, including an L-shaped limit sensor mounting bracket. The limit sensor mounting bracket includes a bracket mounting part located at the bottom and a sensor mounting part extending integrally upward from the side of the bracket mounting part. The limit sensor is fixedly mounted on the sensor mounting part in a displacement adjustable manner, and the bracket mounting part is fixedly mounted on the hub in a displacement adjustable manner.
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Please see Figure 1 , Figure 2 and Figure 3 As shown, a limit sensor mounting structure for a pitch system includes an L-shaped limit sensor mounting bracket 1. The limit sensor mounting bracket 1 includes a bracket mounting portion 1a at the bottom and a sensor mounting portion 1b extending integrally upward from the side opposite to the bracket mounting portion 1a. The limit sensor 2 is fixedly mounted on the sensor mounting portion 1b in a displacement adjustable manner, and the bracket mounting portion 1a is fixedly mounted on the hub in a displacement adjustable manner. Specifically, preferably, in this embodiment, the limit sensor mounting bracket 1 is made of an integrally formed aluminum part.
[0023] Preferably, in order to achieve simple and quick installation, in this embodiment, the bracket mounting part 1a is provided with a plurality of spaced waist-shaped mounting adjustment holes 5. The waist-shaped mounting adjustment holes 5 cooperate with the fasteners 4 to achieve displacement adjustment installation on the wheel hub. More preferably, in this embodiment, a circular mounting hole 7 is also provided between adjacent waist-shaped mounting adjustment holes 5, which can be used for reinforcement installation or for quick installation directly through the circular mounting hole 7 when needed, further providing more installation options.
[0024] Preferably, in this embodiment, the fastener 4 is a standard screw.
[0025] Preferably, to achieve simple and quick installation, in this embodiment, the sensor mounting part 1b is provided with a plurality of spaced limit sensor mounting adjustment holes 6. The limit sensor mounting adjustment holes 6 cooperate with the sensor fasteners 3 to achieve displacement adjustment and installation of the limit sensor 2 on the limit sensor mounting bracket 1. Preferably, in this embodiment, the limit sensor 2 is provided with mounting holes spaced vertically; at the same time, the sensor mounting part 1b is provided with a plurality of spaced limit sensor mounting adjustment hole groups (specifically, 5 limit sensor mounting adjustment hole groups are provided in this embodiment). Each limit sensor mounting adjustment hole group includes limit sensor mounting adjustment holes 6 that correspond one-to-one with each mounting hole. The displacement adjustment and installation of the limit sensor 2 on the limit sensor mounting bracket 1 is achieved through cooperation with the sensor fasteners 3.
[0026] Specifically, in this embodiment, the limit sensor 2 is provided with a first mounting hole and a second mounting hole that are spaced apart vertically, and the first mounting hole and the second mounting hole are directly corresponding in the vertical direction; each mounting hole is located on the outside of the limit sensor 2, and a sensor signal output structure 2a is installed and connected on this side; the sensor fastener 3 is a standard screw, and each mounting hole passes through the limit sensor 2, and the sensor fastener 3 passes through the mounting hole and is fastened and connected to its corresponding limit sensor mounting adjustment hole 6.
[0027] This embodiment provides a limit sensor mounting bracket consisting of a bracket mounting part located at the bottom and a sensor mounting part extending integrally upward from the side of the bracket mounting part as the mounting structure for the limit sensor. The bracket mounting part enables adjustable installation on the hub, and the sensor mounting part enables adjustable installation of the limit sensor. In practical applications, this embodiment achieves a universal and rapid installation effect of the limit sensor on the hub of the existing pitch system by combining the two for adjustable installation. This meets the rapid construction needs of retrofitting old pitch systems, reduces retrofitting costs, and saves construction time.
[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and 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 limit sensor mounting structure for a pitch system, characterized in that, Including L-shaped The limit sensor mounting bracket (1) includes a bracket mounting part (1a) located at the bottom and a sensor mounting part (1b) extending integrally upward relative to the side of the bracket mounting part (1a). The limit sensor (2) is fixedly mounted on the sensor mounting part (1b) in a displacement adjustable manner, and the bracket mounting part (1a) is fixedly mounted on the wheel hub in a displacement adjustable manner.
2. The limit sensor mounting structure for the pitch system according to claim 1, characterized in that, The bracket mounting part (1a) is provided with a plurality of waist-shaped mounting adjustment holes (5) distributed at intervals. The waist-shaped mounting adjustment holes (5) are used to adjust the displacement on the wheel hub by cooperating with the fasteners (4).
3. The limit sensor mounting structure for the pitch system according to claim 2, characterized in that, A circular mounting hole (7) is also provided between adjacent waist-shaped mounting adjustment holes (5).
4. The limit sensor mounting structure for the pitch system according to claim 2, characterized in that, The fastener (4) is a standard screw.
5. The limit sensor mounting structure for the pitch system according to claim 1, characterized in that, The sensor mounting part (1b) is provided with a plurality of spaced limit sensor mounting adjustment holes (6). The limit sensor mounting adjustment holes (6) cooperate with the sensor fasteners (3) to realize the displacement adjustment and installation of the limit sensor (2) on the limit sensor mounting bracket (1).
6. The limit sensor mounting structure for the pitch system according to claim 1, characterized in that, The limit sensor (2) is provided with mounting holes that are spaced vertically; at the same time, the sensor mounting part (1b) is provided with a number of limit sensor mounting adjustment hole groups that are spaced horizontally. Each limit sensor mounting adjustment hole group includes a limit sensor mounting adjustment hole (6) that corresponds to each mounting hole. The displacement adjustment of the limit sensor (2) on the limit sensor mounting bracket (1) is achieved by cooperating with the sensor fastener (3).
7. The limit sensor mounting structure for the pitch system according to claim 1, characterized in that, The limit sensor (2) is provided with a first mounting hole and a second mounting hole that are distributed vertically at intervals, and the first mounting hole and the second mounting hole are in a positive correspondence in the vertical direction.
8. The limit sensor mounting structure for the pitch system according to claim 6, characterized in that, The sensor fastener (3) is a standard screw, and each mounting hole passes through the limit sensor (2). The sensor fastener (3) passes through the mounting hole and is fastened and connected to the corresponding limit sensor mounting adjustment hole (6).
9. The limit sensor mounting structure for the pitch system according to claim 6, characterized in that, Each mounting hole is located on the outside of the limit sensor (2), and a sensor signal output structure (2a) is installed and connected on this side.
10. The limit sensor mounting structure for the pitch system according to claim 1, characterized in that, The limit sensor mounting bracket (1) is made of one-piece aluminum.