WO2024164446A1 - 用于风力助推转子的限位装置及风力助推系统 - Google Patents

用于风力助推转子的限位装置及风力助推系统 Download PDF

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Publication number
WO2024164446A1
WO2024164446A1 PCT/CN2023/092660 CN2023092660W WO2024164446A1 WO 2024164446 A1 WO2024164446 A1 WO 2024164446A1 CN 2023092660 W CN2023092660 W CN 2023092660W WO 2024164446 A1 WO2024164446 A1 WO 2024164446A1
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WIPO (PCT)
Prior art keywords
limiting
outer cylinder
wind
elastic member
limiting device
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PCT/CN2023/092660
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English (en)
French (fr)
Inventor
朱玉柱
郭峰山
吴幼华
孙承灿
黄国富
彭祖光
王初龙
Original Assignee
中船重工（上海）节能技术发展有限公司
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Application filed by 中船重工（上海）节能技术发展有限公司 filed Critical 中船重工（上海）节能技术发展有限公司
Publication of WO2024164446A1 publication Critical patent/WO2024164446A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors

Definitions

  • the present application relates to the technical field of wind-assisted rotors, for example, to a limiting device for a wind-assisted rotor and a wind-assisted system.
  • the working principle of the wind-assisted rotor is the Magnus effect.
  • adjusting the rotation direction of the rotor can enable the ship to generate thrust in the forward direction, thereby achieving a thrust-assisted effect.
  • the wind-assisted propulsion rotor generally includes a base, an inner tower and an outer cylinder.
  • the inner tower is fixed to the base, and the outer cylinder is rotatably sleeved on the outer side of the inner tower. Affected by the processing and manufacturing and the use environment, there will be deviations in the coaxiality between the axis of the outer cylinder and the axis of the inner tower.
  • a plurality of limiting wheel devices are generally arranged along the circumference of the outer cylinder.
  • the limiting wheel device includes a limiting wheel abutting against the cylinder wall of the outer cylinder to limit the radial runout of the outer cylinder.
  • Wind-assisted propulsion rotors are usually very tall, with a maximum diameter of six meters and a maximum height of nearly forty meters.
  • the outer cylinder needs to rotate at high speed around the central axis of the inner tower.
  • the outer cylinder has a high rotation speed and a very large moment of inertia. To ensure that the outer cylinder runs smoothly and at high speed and reduce the amount of shaking of the outer cylinder, this places high demands on the limit wheel device at the bottom of the outer cylinder.
  • the limiting wheel device has a wheel axle that is slidably mounted on the base, and the contact stability between the limiting wheel and the outer cylinder is not high.
  • There are disadvantages such as large assembly workload and difficulty in controlling the installation accuracy. If the assembly error of multiple limiting wheel devices is too large, the outer cylinder will shake violently when running at high speed, and the roller load will increase, directly affecting its service life; at the same time, it is also impossible to ensure the continuous and stable operation of the rotor, which will not only make the outer cylinder speed fail to meet the design requirements, but also the outer cylinder may produce large internal stress and torsional deformation locally, causing safety accidents of the rotor.
  • the present application provides a limit device and a wind-assisted propulsion system for a wind-assisted rotor, which have a simple structure, are easy to assemble and adjust, and improve the contact stability between the limit roller and the outer cylinder, thereby ensuring the stability of the outer cylinder when running at high speed.
  • a limiting device for a wind-assisted rotor comprising a base, an inner tower and an outer cylinder, the inner tower being fixedly arranged on the base, and the outer cylinder being rotatably sleeved on the outer side of the inner tower;
  • the limiting device for the wind-assisted rotor comprises a plurality of limiting units distributed along the outer circumference or inner circumference of the outer cylinder, each of the plurality of limiting units comprising: a roller mechanism comprising a limiting roller and a mounting bracket, the mounting bracket having a first end and a second end along a first direction, the first end being rotatably arranged on the base or the inner tower, the limiting roller being rotatably arranged on the second end, the outer circumferential surface of the limiting roller abutting against the outer wall or the inner wall of the outer cylinder; an adjusting mechanism comprising an adjusting component, one end of the adjusting component abutting against the second end
  • the regulating mechanism further includes a pressure detecting member, and the pressure detecting member is configured to detect the pressure between the regulating assembly and the second end.
  • the position limiting device for the wind-assisted rotor further comprises an alarm mechanism, and the alarm mechanism is configured to issue an alarm prompt according to the detection result of the pressure detection component.
  • the adjustment assembly includes: a fixed seat, which is fixed to the base or the inner tower; a screw, which passes through the fixed seat and abuts against the elastic member, and the screw is threadedly connected to the fixed seat; and a locking member, which is configured to lock or unlock the screw and the fixed seat.
  • the number of the plurality of limiting units is an even number, and the plurality of limiting units are evenly distributed along the outer circumference or the inner circumference of the outer cylinder.
  • the elastic member is a cylindrical structure, and the first end and the second end of the elastic member along the axial direction of the elastic member are respectively in contact with the adjustment assembly and the second end.
  • the elastic member includes a main body, and a first adapter portion is provided at the first end of the main body along the second direction.
  • the first adapter portion is a truncated cone structure, and the large diameter end of the first adapter portion is connected to the main body, and the small diameter end of the first adapter portion abuts against the adjustment component.
  • the elastic member includes a main body, and a second adapter portion is provided at the second end of the main body along the second direction.
  • the second adapter portion is a truncated cone structure, and the large diameter end of the second adapter portion is connected to the main body, and the small diameter end of the second adapter portion is abutted against the second end.
  • the first end is provided with a rotating shaft.
  • the first end of the shaft is fixedly connected to the first end, and the second end of the rotating shaft is rotatably connected to the base or the inner tower.
  • a wind-assisted propulsion system comprising the above-mentioned limiting device for a wind-assisted propulsion rotor.
  • FIG1 is a structural schematic diagram of a wind-assisted rotor in an embodiment of the present application.
  • FIG2 is an enlarged view of point A in FIG1 ;
  • FIG3 is a second structural schematic diagram of a wind-assisted rotor in an embodiment of the present application.
  • Fig. 4 is a cross-sectional view of the B-B plane of Fig. 3;
  • FIG5 is a third structural diagram of a wind-assisted rotor in an embodiment of the present application.
  • FIG. 6 is an enlarged view of portion C of FIG. 5 .
  • Limiting unit 11. Roller mechanism; 111. Limiting roller; 112. Mounting bracket; 1121. First end; 1122. Second end; 1123. Rotating shaft; 12. Adjusting mechanism; 121. Adjusting assembly; 1211. Fixing seat; 1212. Screw; 1213. Locking member; 122. Pressure detecting member; 13. Elastic member; 131. Main body; 1311. First adapter; 1312. Second adapter.
  • the terms “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inside”, “outside”, etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.
  • the terms “first”, “second”, “third”, etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
  • “multiple" means two or more.
  • a first feature being “above” or “below” a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact.
  • a first feature being “above”, “above”, and “above” a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the horizontal height of the first feature is higher than the horizontal height of the second feature.
  • a first feature being “below”, “below”, and “below” a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the horizontal height of the first feature is lower than the horizontal height of the second feature.
  • the present embodiment provides a limiting device for a wind-assisted rotor, the wind-assisted rotor comprising a base 100, an inner tower 200 and an outer cylinder 300, the inner tower 200 being fixedly mounted on the base 100, and the outer cylinder 300 being rotatably sleeved on the outer side of the inner tower 200;
  • the limiting device for a wind-assisted rotor comprises a plurality of limiting units 1 distributed along the outer circumference or inner circumference of the outer cylinder 300, each limiting unit 1 comprising a roller mechanism 11, an adjusting mechanism 12 and an elastic member 13, the roller mechanism 11 comprising a limiting roller 111 and a mounting bracket 112, the mounting bracket 112 having A first end 1121 and a second end 1122 are relatively distributed along a first direction, the first end 1121 is rotatably disposed on the base 100 or the inner tower 200, the limiting roller 111 is rotatably disposed on the second end 1122, and the outer peripheral
  • the outer peripheral surface of the limiting roller 111 is in contact with the outer wall or inner wall of the outer cylinder 300.
  • the acting force between the limiting roller 111 and the outer cylinder 300 can be adjusted by adjusting the assembly 121, so that the acting force between each limiting roller 111 and the outer cylinder 300 is basically consistent.
  • the limiting roller 111 can have a certain range of displacement through the elastic member 13, absorb and buffer the load generated by the outer cylinder 300 when running at high speed, ensure the stability of the outer cylinder 300 when running at high speed, and help to extend the service life of the limiting roller 111.
  • the first end 1121 of the mounting bracket 112 is rotatably disposed on the base 100 or the inner tower 200, and the limiting roller 111 is rotatably disposed on the second end 1122 of the mounting bracket 112.
  • it is not only convenient to install and disassemble the limiting roller 111, but also convenient to adjust the pressing force of the limiting roller 111, thereby improving the contact between the limiting roller 111 and the outer cylinder 300. Touch stability.
  • the distribution of the limiting units 1 on the outer circumference or inner circumference of the outer cylinder 300 can be determined according to the size of the diameter of the outer cylinder 300.
  • multiple limiting units 1 are installed on the base 100, in other words, multiple limiting units 1 are distributed along the outer circumference of the outer cylinder 300, the first end 1121 of the mounting bracket 112 is rotatably disposed on the base 100, and the outer circumferential surface of the limiting roller 111 abuts against the outer wall of the outer cylinder 300;
  • the diameter of the outer cylinder 300 is large, multiple limiting units 1 are installed on the inner tower 200, in other words, multiple limiting units 1 are distributed along the inner circumference of the outer cylinder 300, the first end 1121 of the mounting bracket 112 is rotatably disposed on the inner tower 200, and the outer circumferential surface of
  • the first end 1121 of the mounting bracket 112 is provided with a rotating shaft 1123, the first end of the rotating shaft 1123 is fixedly connected to the first end 1121, and the second end of the rotating shaft 1123 is rotatably connected to the base 100 or the inner tower 200.
  • the second end of the rotating shaft 1123 can be rotatably connected to the base 100 or the inner tower 200 through a rotating support such as a bearing to improve the smoothness of the rotation of the mounting bracket 112.
  • the mounting bracket 112 is rotatably connected to the base 100, and when adjusting the pressing force between the limiting roller 111 and the outer cylinder 300, the limiting roller 111 can be flexibly moved radially, which is conducive to accurately adjusting the pressing force of the limiting roller 111 on the outer cylinder 300 and improving the contact stability of the limiting roller 111 and the outer cylinder 300.
  • the adjustment mechanism 12 further includes a pressure detection member 122 such as a force sensor, and the pressure detection member 122 is configured to detect the pressure between the adjustment component 121 and the second end 1122.
  • the pressure between the adjustment component 121 and the second end 1122 can be detected in real time by the pressure detection member 122, so as to facilitate the control of the force between each limiting roller 111 and the outer cylinder 300 to be consistent, which is conducive to improving the installation accuracy of the limiting roller 111 and improving the stability of the operation of the outer cylinder 300.
  • the limit device for the wind-assisted rotor further includes an alarm mechanism 400, which can issue an alarm prompt according to the detection result of the pressure detection component 122.
  • the alarm prompt can be issued by the alarm mechanism 400 to promptly prompt the staff to operate the corresponding adjustment component 121 to adjust the clamping force of the limit roller 111 on the outer cylinder 300, so as to avoid the outer cylinder 300 from shaking due to uneven force.
  • the alarm prompt can be a sound alarm, a light alarm, or an alarm can be issued by displaying text, image information, etc. on the display, which is not limited here.
  • the adjustment assembly 121 includes a fixed seat 1211, a screw 1212 and a locking piece 1213.
  • the fixed seat 1211 is fixed to the base 100 or the inner tower 200; the screw 1212 is inserted into the fixed seat 1211 and abuts against the elastic piece 13, and the screw 1212 is threadedly connected to the fixed seat 1211; the locking piece 1213 is configured to lock or unlock the screw 1212 and the fixed seat 1211.
  • the locking piece 1213 is a nut, and the number of nuts can be set according to needs and is not limited here.
  • the pressing force of the limiting roller 111 on the outer cylinder 300 can be reduced by controlling the screw 1212 to retreat, or reducing the pressing force of the limiting roller 111 on the outer cylinder 300.
  • it is convenient to quickly replace a new limiting roller 111 which greatly reduces the workload and improves the work efficiency.
  • the number of the limiting units 1 is an even number, and the plurality of limiting units 1 are evenly distributed along the outer circumference or inner circumference of the outer cylinder 300.
  • an even number of limiting units 1 are arranged opposite to each other in the radial direction of the outer cylinder 300, so that the outer cylinder 300 is subjected to a more uniform force, thereby improving the stability of the high-speed operation of the outer cylinder 300.
  • the elastic member 13 is a cylindrical structure, and the first end and the second end of the elastic member 13 along the axial direction of the elastic member 13 are respectively in contact with the adjustment component 121 and the second end 1122.
  • the elastic member 13 with a cylindrical structure has a better elastic effect and a higher contact stability with the adjustment component 121 and the second end 1122 of the mounting bracket 112.
  • the elastic member 13 includes a main body 131, and a first adapter portion 1311 is provided at a first end of the main body 131 along the second direction.
  • the first adapter portion 1311 is a truncated cone structure, and the large diameter end of the first adapter portion 1311 is connected to the main body 131, and the small diameter end of the first adapter portion 1311 abuts against the adjustment component 121. It should be noted that, in order to ensure the elastic effect of the elastic member 13, usually, the diameter of the main body 131 of the elastic member 13 is large, and the size of the adjustment component 121 is small.
  • the contact stability between the elastic member 13 and the adjustment component 121 can be improved by adapting the small diameter end of the first adapter portion 1311 to the adjustment component 121, which is conducive to improving the elastic effect of the elastic member 13 and extending the service life of the elastic member 13.
  • the diameter of the large diameter end of the first adapter portion 1311 is the same as the diameter of the main body portion 131
  • the diameter of the small diameter end of the first adapter portion 1311 is the same as the diameter of the screw 1212
  • the contact area between the first adapter portion 1311 and the screw 1212 is equal to the cross-sectional area of the small diameter end of the first adapter portion 1311 (the cross-sectional area is a cross-sectional area perpendicular to the axial direction of the first adapter portion 1311), so that the contact stability between the elastic member 13 and the adjustment assembly 121 is higher.
  • the second end of the main body 131 along the second direction is provided with a second adapter portion 1312
  • the second adapter portion 1312 is a truncated cone structure
  • the large diameter end of the second adapter portion 1312 is connected to the main body 131
  • the small diameter end of the second adapter portion 1312 is in contact with the second end 1122.
  • the small diameter end of the second adapter portion 1312 is adapted to the second end 1122 of the mounting bracket 112, so that the contact stability between the elastic member 13 and the second end 1122 of the mounting bracket 112 can be improved, which is conducive to improving the elastic effect of the elastic member 13 and extending the service life of the elastic member 13.
  • the diameter of the large diameter end of the second adapter portion 1312 is the same as the diameter of the main body
  • the diameter of the small diameter end of the second adapter portion 1312 is the same as the thickness of the second end 1122 of the mounting bracket 112
  • the contact area between the second adapter portion 1312 and the second end 1122 of the mounting bracket 112 is equal to the small diameter end of the second adapter portion 1312.
  • the cross-sectional area of the end (the cross-sectional area is a cross-sectional area perpendicular to the axial direction of the second adapter portion 1312 ) is increased to make the contact stability between the elastic member 13 and the second end 1122 of the mounting bracket 112 higher.
  • This embodiment also provides a wind-assisted propulsion system, including the above-mentioned limiting device for the wind-assisted propulsion rotor.

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  • Sustainable Development (AREA)
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Abstract

本申请公开了一种用于风力助推转子的限位装置及风力助推系统。本申请的用于风力助推转子的限位装置包括沿外筒的外周或内周分布的多个限位单元，其中每个限位单元包括滚轮机构、调节机构以及弹性件，滚轮机构中的安装支架的第一端可转动地设于基座或内塔，滚轮机构中的限位滚轮可转动地设于安装支架的第二端，限位滚轮的外周面与外筒的外壁或内壁抵接，调节机构中的调节组件的一端抵接于安装支架的第二端，调节组件可调节限位滚轮与外筒之间的作用力，弹性件夹设于调节组件与安装支架的第二端之间。

Description

用于风力助推转子的限位装置及风力助推系统
本申请要求在2023年02月07日提交中国专利局、申请号为202310071901.9的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及风力助推转子技术领域，例如涉及用于风力助推转子的限位装置及风力助推系统。
背景技术
风力助推转子的工作原理是马格纳斯效应，加装风力助推转子的船舶在横风或斜风状态下，调整转子的旋转方向可使船舶产生在前进方向上的推力，从而达到助推效果。
风力助推转子一般包括基座、内塔和外筒，内塔固设于基座，外筒可转动地套设于内塔的外侧。受加工制造以及使用环境的影响，外筒轴线与内塔轴线的同轴度会存在偏差，为了限制外筒的径向跳动，一般沿外筒的周向设置有多个限位轮装置，限位轮装置包括与外筒的筒壁抵接的限位轮，以限制外筒的径向跳动。
风力助推转子通常十分高大，最大直径可达六米，最大高度近四十米。外筒需要绕内塔中心轴高速旋转，外筒旋转线速度高，且外筒惯性矩非常大，要保证外筒平稳高速运行，减小外筒晃动量，这就对外筒底部限位轮装置提出很高的要求。
相关技术中的限位轮装置，限位轮的轮轴都是滑动设置在基座上的，限位轮与外筒的接触稳定性不高，存在装配工作量大、难以控制安装精度等不足。若多个限位轮装置装配误差太大，则外筒在高速运行时就会产生剧烈的晃动，滚轮载荷会增大，直接影响其使用寿命；同时也无法保证转子持续平稳运行，不仅会使得外筒转速达不到设计要求，而且外筒局部可能会产生很大的内应力和扭转变形而引发转子的安全事故。
发明内容
本申请提供了一种用于风力助推转子的限位装置及风力助推系统，其结构简单，便于装配和调节，提高了限位滚轮与外筒接触稳定性，进而保证外筒高速运行时的平稳性。
提供了一种风力助推转子的限位装置，所述风力助推转子包括基座、内塔和外筒，所述内塔固设于所述基座，所述外筒可转动地套设于所述内塔的外侧；所述用于风力助推转子的限位装置包括沿所述外筒的外周或内周分布的多个限位单元，所述多个限位单元中的每个限位单元包括：滚轮机构，包括限位滚轮和安装支架，所述安装支架具有沿第一方向的第一端和第二端，所述第一端可转动地设于所述基座或所述内塔，所述限位滚轮可转动地设于所述第二端，所述限位滚轮的外周面与所述外筒的外壁或内壁抵接；调节机构，包括调节组件，所述调节组件的一端抵接于所述第二端，所述调节组件设置为调节所述限位滚轮与所述外筒之间的作用力；弹性件，所述弹性件夹设于所述调节组件与所述第二端之间。
作为风力助推转子的限位装置的可选方案，所述调节机构还包括压力检测件，所述压力检测件设置为检测所述调节组件与所述第二端之间的压力。
作为风力助推转子的限位装置的可选方案，所述用于风力助推转子的限位装置还包括报警机构，所述报警机构设置为根据所述压力检测件的检测结果发出报警提示。
作为风力助推转子的限位装置的可选方案，所述调节组件包括：固定座，所述固定座固设于所述基座或所述内塔；螺杆，所述螺杆穿设于所述固定座与所述弹性件抵接，所述螺杆与所述固定座螺纹连接；锁紧件，所述锁紧件设置为将所述螺杆与所述固定座锁定或解锁。
作为风力助推转子的限位装置的可选方案，所述多个限位单元的数量为偶数，且所述多个限位单元沿所述外筒的外周或内周均匀分布。
作为风力助推转子的限位装置的可选方案，所述弹性件为圆柱状结构，所述弹性件的沿所述弹性件的轴向的第一端和第二端分别与所述调节组件和所述第二端抵接。
作为风力助推转子的限位装置的可选方案，所述弹性件包括主体部，所述主体部沿第二方向的第一端设有第一转接部，所述第一转接部为圆台状结构，且所述第一转接部的大径端连接于所述主体部，所述第一转接部的小径端与所述调节组件抵接。
作为风力助推转子的限位装置的可选方案，所述弹性件包括主体部，所述主体部沿第二方向的第二端设有第二转接部，所述第二转接部为圆台状结构，且所述第二转接部的大径端与所述主体部连接，所述第二转接部的小径端与所述第二端抵接。
作为风力助推转子的限位装置的可选方案，所述第一端设有转轴，所述转 轴的第一端与所述第一端固定连接，所述转轴的第二端与所述基座或所述内塔转动连接。
提供了一种风力助推系统，包括上述用于风力助推转子的限位装置。
附图说明
图1为本申请实施例中风力助推转子的结构示意图一；
图2为图1的A处的放大图；
图3为本申请实施例中风力助推转子的结构示意图二；
图4为图3的B-B面的剖视图；
图5为本申请实施例中风力助推转子的结构示意图三；
图6为图5的C部放大图。
附图标记：
100、基座；200、内塔；300、外筒；400、报警机构；
1、限位单元；11、滚轮机构；111、限位滚轮；112、安装支架；1121、第一端；1122、第二端；1123、转轴；12、调节机构；121、调节组件；1211、固定座；1212、螺杆；1213、锁紧件；122、压力检测件；13、弹性件；131、主体部；1311、第一转接部；1312、第二转接部。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例。通常在此处附图中描述和示出的本申请实施例的组件可以以多种不同的配置来布置和设计。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦一项在一个附图中被定义，则在随后的附图中不需要再对其进行定义和解释。
在本申请的描述中，需要说明的是，术语“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，或者是该申请产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”等仅用于区分描述，而不能理解为指示或暗示相对重要性。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本申请的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接。对于本领域的普通技术人员而言，可以根据情况理解上述术语在本申请中的含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一特征和第二特征直接接触，也可以包括第一特征和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征的水平高度高于第二特征的水平高度。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征的水平高度小于第二特征的水平高度。
下面描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
如图1-6所示，本实施例提供了一种用于风力助推转子的限位装置，风力助推转子包括基座100、内塔200和外筒300，内塔200固设于基座100，外筒300可转动地套设于内塔200的外侧；用于风力助推转子的限位装置包括沿外筒300的外周或内周分布的多个限位单元1，每个限位单元1包括滚轮机构11、调节机构12和弹性件13，滚轮机构11包括限位滚轮111和安装支架112，安装支架112具有沿第一方向相对分布的第一端1121和第二端1122，第一端1121可转动地设于基座100或内塔200，限位滚轮111可转动地设于第二端1122，限位滚轮111的外周面与外筒300的外壁或内壁抵接；调节机构12包括调节组件121，调节组件121的一端抵接于第二端1122，调节组件121用于调节限位滚轮111与外筒300之间的作用力；弹性件13夹设于调节组件121与第二端1122之间。
限位滚轮111的外周面与外筒300的外壁或内壁抵接，通过调节组件121可调节限位滚轮111与外筒300之间的作用力，以使每个限位滚轮111与外筒300之间的作用力基本一致，通过弹性件13可使限位滚轮111具有一定范围的位移量，吸收并缓冲外筒300在高速运行时产生的载荷，保证外筒300高速运行时的平稳性，并有利于延长限位滚轮111的使用寿命。同时，安装支架112的第一端1121可转动地设于基座100或内塔200，限位滚轮111可转动地设于安装支架112的第二端1122，相比于相关技术，不仅便于限位滚轮111的安装和拆卸，还便于调节限位滚轮111的压紧力，提高限位滚轮111与外筒300的接 触稳定性。
需要说明的是，限位单元1分布在外筒300的外周或者内周可根据外筒300直径的大小来确定。为了便于限位单元1的安装，并保证限位滚轮111与外筒300的接触稳定性，当外筒300的直径较小时，多个限位单元1安装于基座100上，换言之，多个限位单元1沿外筒300的外周分布，安装支架112的第一端1121可转动地设于基座100，限位滚轮111的外周面与外筒300的外壁抵接；当外筒300的直径较大时，多个限位单元1安装于内塔200，换言之，多个限位单元1沿外筒300的内周分布，安装支架112的第一端1121可转动地设于内塔200，限位滚轮111的外周面与外筒300的内壁抵接。
可选地，安装支架112的第一端1121设有转轴1123，转轴1123的第一端与第一端1121固定连接，转轴1123的第二端与基座100或内塔200转动连接，示例性地，转轴1123的第二端可通过旋转支撑件比如轴承与基座100或内塔200转动连接，以提高安装支架112转动的流畅性。如此设置，实现了安装支架112与基座100的转动连接，并在调节限位滚轮111与外筒300的压紧力时，使得限位滚轮111可灵活的进行径向移动，有利于精确调节限位滚轮111对外筒300的压紧力，提高限位滚轮111与外筒300接触的稳定性。
可选地，调节机构12还包括压力检测件122比如测力传感器，压力检测件122设置为检测调节组件121与第二端1122之间的压力。如此可通过压力检测件122实时检测调节组件121与第二端1122之间的压力，便于控制每个限位滚轮111与外筒300之间的作用力一致，有利于提高限位滚轮111的安装精度，提高外筒300运行的平稳性。
可选地，用于风力助推转子的限位装置还包括报警机构400，报警机构400能根据压力检测件122的检测结果发出报警提示。当压力检测件122测得限位滚轮111对外筒300的压紧力超出限定范围时，可通过报警机构400发出报警提示，以及时提示工作人员操作对应的调节组件121调节限位滚轮111对外筒300的压紧力，避免外筒300因受力不均产生晃动等问题。需要说明的是，报警提示可以是声音报警，也可以是灯光报警，还可以通过显示器显示文字、图像信息等方式进行报警，在此不再限定。
可选地，调节组件121包括固定座1211、螺杆1212和锁紧件1213，固定座1211固设于基座100或内塔200；螺杆1212穿设于固定座1211与弹性件13抵接，螺杆1212与固定座1211螺纹连接；锁紧件1213设置为将螺杆1212与固定座1211锁定或解锁。本实施例中，锁紧件1213为螺母，螺母的数量可根据需求设置，在此不做限定。在调节限位滚轮111与外筒300之间的压紧力时，只需将锁紧件1213解锁，并旋拧螺杆1212，即可控制螺杆1212前进以增大限 位滚轮111对外筒300的压紧力，或控制螺杆1212后退以减小限位滚轮111对外筒300的压紧力。同时，在需要更换限位滚轮111时，只需松开锁紧件1213并控制螺杆1212后退以使限位滚轮111与外筒300分离，就可以将限位滚轮111从安装支架112上拆除，相比于相关技术，便于快速更换新的限位滚轮111，大大减少了工作量，提高工作效率。
可选地，限位单元1的数量为偶数，且多个限位单元1沿外筒300的外周或内周间隔地均匀分布。可选地，偶数个限位单元1沿外筒300径向两两相对设置，使得外筒300受力更为均匀，提高了外筒300高速运转的平稳性。
可选地，弹性件13为圆柱状结构，弹性件13的沿弹性件13轴向的第一端和第二端分别与调节组件121和第二端1122抵接。圆柱状结构的弹性件13弹性效果更好，且与调节组件121及安装支架112的第二端1122的接触稳定性更高。
可选地，弹性件13包括主体部131，主体部131沿第二方向的第一端设有第一转接部1311，第一转接部1311为圆台状结构，且第一转接部1311的大径端连接于主体部131，第一转接部1311的小径端与调节组件121抵接。需要说明的是，为了保证弹性件13的弹性效果，通常情况下，弹性件13的主体部131的直径较大，而调节组件121的尺寸较小，如此设置，通过第一转接部1311的小径端与调节组件121适配，可提高弹性件13与调节组件121的接触稳定性，有利于改善弹性件13的弹性效果并延长弹性件13使用寿命。
可选地，第一转接部1311的大径端的直径与主体部131的直径相同，第一转接部1311的小径端直径与螺杆1212的直径相同，且第一转接部1311与螺杆1212的接触面积等于第一转接部1311的小径端的横截面面积(横截面为垂直于第一转接部1311轴向的截面)，以使弹性件13与调节组件121的接触稳定性更高。
可选地，主体部131沿第二方向的第二端设有第二转接部1312，第二转接1312部为圆台状结构，且第二转接部1312的大径端与主体部131连接，第二转接部1312的小径端与第二端1122抵接。需要说明的是，为了保证弹性件13的弹性效果，通常情况下，弹性件13的主体部131的直径较大，且安装支架112的第二端1122的尺寸较小，如此设置，通过第二转接部1312的小径端与安装支架112的第二端1122适配，可提高弹性件13与安装支架112的第二端1122的接触稳定性，有利于改善弹性件13的弹性效果并延长弹性件13使用寿命。
可选地，第二转接部1312的大径端的直径与主体部的直径相同，第二转接部1312的小径端直径与安装支架112的第二端1122的厚度相同，且第二转接部1312与安装支架112的第二端1122的接触面积等于第二转接部1312的小径 端的横截面面积(横截面为垂直于第二转接部1312轴向的截面)，以使弹性件13与安装支架112的第二端1122的接触稳定性更高。
本实施例还提供了一种风力助推系统，包括如上述的用于风力助推转子的限位装置。

Claims (10)

  1. 一种用于风力助推转子的限位装置，所述风力助推转子包括基座(100)、内塔(200)和外筒(300)，所述内塔(200)固设于所述基座(100)，所述外筒(300)可转动地套设于所述内塔(200)的外侧；
    其中，所述用于风力助推转子的限位装置包括沿所述外筒(300)的外周或内周分布的多个限位单元(1)，所述多个限位单元(1)中的每个限位单元(1)包括：
    滚轮机构(11)，包括限位滚轮(111)和安装支架(112)，所述安装支架(112)具有沿第一方向的第一端(1121)和第二端(1122)，所述第一端(1121)可转动地设于所述基座(100)或所述内塔(200)，所述限位滚轮(111)可转动地设于所述第二端(1122)，所述限位滚轮(111)的外周面与所述外筒(300)的外壁或内壁抵接；
    调节机构(12)，包括调节组件(121)，所述调节组件(121)的一端抵接于所述第二端(1122)，所述调节组件(121)设置为调节所述限位滚轮(111)与所述外筒(300)之间的作用力；
    弹性件(13)，所述弹性件(13)夹设于所述调节组件(121)与所述第二端(1122)之间。
  2. 根据权利要求1所述的限位装置，其中，所述调节机构(12)还包括压力检测件(122)，所述压力检测件(122)设置为检测所述调节组件(121)与所述第二端(1122)之间的压力。
  3. 根据权利要求2所述的限位装置，还包括报警机构(400)，所述报警机构(400)设置为根据所述压力检测件(122)的检测结果发出报警提示。
  4. 根据权利要求1所述的限位装置，其中，所述调节组件(121)包括：
    固定座(1211)，所述固定座(1211)固设于所述基座(100)或所述内塔(200)；
    螺杆(1212)，所述螺杆(1212)穿设于所述固定座(1211)与所述弹性件(13)抵接，所述螺杆(1212)与所述固定座(1211)螺纹连接；
    锁紧件(1213)，所述锁紧件(1213)设置为将所述螺杆(1212)与所述固定座(1211)锁定或解锁。
  5. 根据权利要求1所述的限位装置，其中，所述多个限位单元(1)的数量为偶数，且所述多个限位单元(1)沿所述外筒(300)的外周或内周均匀分布。
  6. 根据权利要求1所述的限位装置，其中，所述弹性件(13)为圆柱状结构，所述弹性件(13)的沿所述弹性件(13)的轴向的第一端和第二端分别与所述调节组件(121)和所述第二端(1122)抵接。
  7. 根据权利要求6所述的限位装置，其中，所述弹性件(13)包括主体部(131)，所述主体部沿第二方向的第一端设有第一转接部(1311)，所述第一转接部 (1311)为圆台状结构，且所述第一转接部(1311)的大径端连接于所述主体部(131)，所述第一转接部(1311)的小径端与所述调节组件(121)抵接。
  8. 根据权利要求6所述的限位装置，其中，所述弹性件(13)包括主体部(131)，所述主体部(131)沿第二方向的第二端设有第二转接部(1312)，所述第二转接部(1312)为圆台状结构，且所述第二转接部(1312)的大径端与所述主体部(131)连接，所述第二转接部(1312)的小径端与所述第二端(1122)抵接。
  9. 根据权利要求1所述的限位装置，其中，所述第一端(1121)设有转轴(1123)，所述转轴(1123)的第一端与所述第一端(1121)固定连接，所述转轴(1123)的第二端与所述基座(100)或所述内塔(200)转动连接。
  10. 一种风力助推系统，包括如权利要求1-9任一项所述的用于风力助推转子的限位装置。
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