WO2018014813A1 - 一种回转机构 - Google Patents

一种回转机构 Download PDF

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Publication number
WO2018014813A1
WO2018014813A1 PCT/CN2017/093206 CN2017093206W WO2018014813A1 WO 2018014813 A1 WO2018014813 A1 WO 2018014813A1 CN 2017093206 W CN2017093206 W CN 2017093206W WO 2018014813 A1 WO2018014813 A1 WO 2018014813A1
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WO
WIPO (PCT)
Prior art keywords
traction rope
input shaft
disc
slewing mechanism
shaped bracket
Prior art date
Application number
PCT/CN2017/093206
Other languages
English (en)
French (fr)
Inventor
包卫明
郭新明
杨科亚
Original Assignee
上海施步新能源科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海施步新能源科技有限公司 filed Critical 上海施步新能源科技有限公司
Priority to EP17830447.3A priority Critical patent/EP3490139A4/en
Priority to AU2017299718A priority patent/AU2017299718B2/en
Priority to CA3030936A priority patent/CA3030936C/en
Priority to US16/316,624 priority patent/US10848096B2/en
Publication of WO2018014813A1 publication Critical patent/WO2018014813A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the invention relates to the technical field of structural design of a rotary device, in particular to a rotary mechanism.
  • a photovoltaic system is a device that directly converts light energy into electrical energy through photoelectric effects or photochemical effects.
  • Photovoltaic systems are a core part of solar power systems and the most valuable part of solar power systems. Photovoltaic systems not only convert solar energy into electrical energy, but also store it in electrical energy storage or to drive loads.
  • the angle of the solar panel is generally adjusted by a gyrator or a gear ring, so that the solar panel can effectively track the sun, thereby effectively improving the utilization rate of the solar panel and improving the power generation efficiency.
  • the existing gyrator has high precision and is much higher than the precision required for the rotation of the solar panel, and its production cost is also very high, so it cannot be obtained more commonly, and the gear ring slewing mechanism has large gap and low adjustment precision. .
  • the present applicant has been made to provide a novel slewing mechanism which has a simple structure, low manufacturing cost, and high structural reliability.
  • the present invention provides a slewing mechanism, comprising: a base; a disk-shaped bracket fixedly disposed on the base, the outer circumference of the disk-shaped bracket has a winding end; the traction rope is wound around On the winding end of the disc-shaped bracket; an input shaft for tensioning the traction rope and Moving the traction rope along a winding end of the disc-shaped bracket; an output shaft for connecting with an external structure; a swing arm having a first end connected to the traction rope, a second end thereof and the output The shaft is connected; the traction rope drives the swing arm to rotate, and the swing arm further drives the output shaft to rotate.
  • the winding end is provided with a latching portion for limiting the traction rope.
  • the latching portion is a groove; and/or; a plurality of pulleys are disposed on the winding end of the disc-shaped bracket, and the latching portion is disposed on an outer peripheral wall of the pulley.
  • the arrangement of the pulleys facilitates the smooth sliding of the traction rope on the disc-shaped bracket, further enhancing the reliability of the operation of the slewing mechanism.
  • the first end of the swing arm is provided with a connecting member, and the connecting member is fixedly connected with the pulling rope, and the connecting member slides on the winding end under the driving of the pulling rope.
  • the connecting section of the traction rope connected to the connecting member is a first continuous structure, the first continuous structure of the traction rope is disposed on the connecting member; or the traction rope is connected with the connecting rope
  • the connected connecting section has a first opening, and the two ends of the pulling rope at the first opening are respectively fixed at both ends of the connecting member.
  • the connecting section of the traction rope connected to the input shaft has a second opening, and the first end and the second end of the traction rope are respectively wound on the input shaft at the second opening, and The input shaft simultaneously unwinds the second end of the traction cord at the first end of the second opening.
  • the first end of the traction rope at the second opening is wound in a first direction in a first direction of the input shaft, and the second end thereof is wound in a second direction in a second direction of the input shaft a segment, and the first direction is opposite to the second direction.
  • the input shaft includes a first input shaft and a second input shaft, the first end of the traction rope is wound on the first input shaft at the second end, and the second end is wound around the second end On the second input shaft, when the first input shaft takes up the first end of the traction rope at the second opening, the second input shaft pays off the second end thereof. When the first input shaft pays off the first end of the traction rope at the second opening, the second input shaft takes up the second end thereof.
  • the connecting section of the traction rope connected to the input shaft is a second continuous structure, and the second continuous structure is tensioned by the input shaft.
  • the traction rope is wound one or more times on the disc-shaped bracket.
  • the traction rope is a wire rope, a nylon rope, a belt, a timing belt or a chain.
  • the winding end on the disc-shaped bracket has a circular structure; or; the winding end on the disc-shaped bracket has an elliptical structure; or; the winding end on the disc-shaped bracket is curved
  • the structure, and the central angle of the curved structure is 10 to 359°.
  • the distance between each point on the winding end and the output shaft is constant, the length of the swing arm is fixed; or; the distance between each point on the winding end and the output shaft Variable, the length of the swing arm is adjustable.
  • the disc-shaped bracket is a solid disc or a hollow disc.
  • the structure of the slewing mechanism is more stable and the operation is more reliable, but the manufacturing cost thereof is relatively high; when the disc-shaped bracket is set as the stencil disc, the structure of the slewing mechanism is simple, and the manufacturing cost of the slewing mechanism can be effectively reduced. It is conducive to expanding the application range of the slewing mechanism.
  • the slewing mechanism further comprises: a tensioning mechanism disposed on the base and coupled to the traction rope for tensioning the traction rope during sliding of the traction rope.
  • the tensioning mechanism can effectively absorb the remaining amount generated by the traction rope during the sliding process, so that the traction rope can maintain the tension state, thereby ensuring that the traction rope can effectively drive the swing arm to rotate.
  • the slewing mechanism of the present invention is provided with a locating portion for positioning the traction rope on the disc-shaped bracket, and then the traction rope is slid in the winding end through the input shaft, and the swing arm is fixedly connected with the traction rope, so the traction rope is in the sliding process. In the middle, the swing arm also rotates, and the swing arm further drives the output shaft to rotate.
  • the swing mechanism of the present invention has a simple structure and reliable operation, and a large force arm can be applied to the output shaft by specifically selecting the size of the disc bracket and the swing arm. And the torque to ensure the effective rotation of the output shaft.
  • the slewing mechanism of the present invention can effectively prevent the traction rope from being detached from the winding end when sliding on the disk-shaped bracket by providing a latching portion at the winding end of the disk-shaped bracket, thereby further ensuring smooth running of the slewing mechanism.
  • the swing arm is connected to the traction rope through a connecting member, and the traction rope can drive the connecting member through the winding end on the disc bracket, so that the setting can increase the range of the swing angle of the swing arm, and further increase The range of the angle of rotation of the large output shaft makes it possible to expand the range of application of the slewing mechanism.
  • an opening may be provided in the connecting section of the traction rope and the input shaft, that is to say, the connecting section is a disconnected structure, so that the traction rope can be simultaneously realized at the opening through an input shaft.
  • the take-up and pay-off of the two ends can also realize the winding and unwinding of the two ends of the traction rope at the two ends through the two input shafts, the structure is flexible, and the traction rope is not easy to be knotted during the sliding process.
  • the connecting section of the traction rope and the input shaft in the slewing mechanism of the present invention may be a continuous structure, and the continuous structure is tensioned by the input shaft, and then the traction rope is driven through the input shaft, so that the total length of the traction rope can be reduced.
  • the length avoids the winding of the traction rope on the input shaft, which further simplifies the structure of the slewing mechanism.
  • FIG. 1 is a schematic structural view of a specific embodiment of a swing mechanism of the present invention
  • Figure 2 is a schematic view showing the structure of another embodiment of the swing mechanism of the present invention.
  • FIG. 3 is a schematic view showing the structure of another embodiment of the swing mechanism of the present invention.
  • Figure 4 is a plan view of the swing mechanism shown in Figure 3;
  • Figure 5 is an enlarged schematic view showing the connection of the traction rope and the swing arm in the swing mechanism shown in Figure 1;
  • Figure 6 is a schematic enlarged plan view showing the connection of the traction rope and the swing arm in another specific embodiment of the swing mechanism of the present invention.
  • Base 1 disk holder 2, traction rope 3, input shaft 4, output shaft 5, swing arm 6, connecting member 7, pulley 8, extension 9.
  • a slewing mechanism comprising: a base 1; a disk-shaped bracket 2 fixedly disposed on the base 1, the outer circumference of the disk-shaped bracket 2 having a winding end; and a traction rope 3 wound around the disk-shaped bracket 2 On the winding end; the input shaft 4 is for tensioning the traction rope 3 and driving the traction rope 3 to slide along the winding end of the disc-shaped bracket 2; the output shaft 5 is for connecting with the external structure; the swing arm 6 is The first end is connected to the traction rope 3, and the second end is connected to the output shaft 5; the traction rope 3 drives the swing arm 6 to rotate, and the swing arm 6 further drives the output shaft 5 to rotate about the axis of the output shaft 5.
  • the winding end is provided with a latching portion for limiting the traction cord 3, and the latching portion is configured to prevent the traction cord from being separated from the winding end of the disc-shaped bracket during sliding.
  • the winding end of the disc-shaped bracket 2 is provided with a plurality of pulleys 8.
  • the outer peripheral wall of the pulley 8 is provided with a latching portion, and the latching portion is a recess.
  • the arrangement of the pulleys 8 facilitates smooth sliding of the traction rope 3 on the disc-shaped bracket 2, which further enhances the reliability of the operation of the swing mechanism.
  • the first end of the swing arm 6 is provided with a connecting member 7, and the connecting member 7 is fixedly connected with the pulling rope 3, and the connecting member 7 is slid on the winding end by the pulling rope 3.
  • the connecting section of the traction rope 3 and the connecting member 7 is a continuous structure
  • the connecting member 7 comprises a connecting plate and a clamping tube
  • the swing arm is connected with the clamping tube through the connecting plate
  • the continuous structure of the pulling rope 3 is passed through the clip.
  • the pinch tube passes through the latching portion on the disc holder under the driving of the traction rope.
  • the connecting portion of the traction rope 3 connected to the input shaft 4 has an opening, and the first end of the traction rope 3 is wound on the first section of the input shaft 4 in the first direction, and the second end is along the second end.
  • the direction is wound on the second section of the input shaft 4, and the first direction is opposite to the second direction.
  • the disc-shaped bracket 2 is a disc having a notch, and the winding end on the disc-shaped bracket 2 has a circular arc structure, and the distance between each point on the circular arc-shaped winding end and the output shaft 5 is fixed, and The length of the swing arm 6 is fixed.
  • the central angle of the circular arc structure is 270°, and therefore, the swing arm 6 can be rotated back and forth in the range of 0 to 270° under the driving of the traction rope 3.
  • the leash 3 is wound on the disc-shaped bracket 2, and the leash 3 is partially located in the latching portion of the disc-shaped bracket 2, partially wound on the input shaft 4, and the traction cord 3 is a wire rope.
  • the swing mechanism disclosed in the embodiment further includes a tensioning mechanism disposed on the base 1 and connected to the traction rope 3 for tensioning the traction rope 3 during the sliding of the traction rope 3.
  • the tensioning mechanism can effectively absorb the remaining amount generated by the traction rope 3 during the sliding process, so that the traction rope 3 can maintain the tension state, thereby ensuring that the traction rope 3 can effectively drive the swing arm 6 to rotate.
  • the improvement of the second embodiment is that the winding end of the disc-shaped bracket 2 of the swing mechanism disclosed in the second embodiment is provided with two winding portions, the traction rope. 3 Two turns are wound on the disc-shaped bracket 2. In the upper winding portion, the traction rope 3 can rotate the swing arm 6 within 0-360°. In the lower winding portion, the traction rope 3 can drive the swing arm 6 to rotate within 0-270°. Moreover, the two winding portions on the winding end are spirally formed as a whole, and the pulling rope 3 can drive the connecting member 7 connected to the swing arm 6 to directly transition from the upper winding portion to the lower winding portion.
  • the first end of the swing arm 6 is hinged with the connecting member 7.
  • the first end of the swing arm 6 is hinged with the connecting plate in the connecting member 7, so that the connecting plate can pass through the opposite side
  • the rotation of the arm causes the swing arm 6 to smoothly transition between the two latching portions under the driving of the traction rope 3.
  • the second end of the swing arm 6 is hinged to the output shaft 5, so that the swing arm 6 can be finely adjusted up and down along the axial direction of the output shaft 5, which further facilitates the swing arm 6 under the traction rope 3 A smooth transition between the two levels of card slots.
  • the slewing mechanism in this embodiment can perform angle adjustment in a large angle range, and the applicable range is large.
  • the third embodiment is improved in that the disc-shaped bracket 2 disclosed in the third embodiment is a sector-shaped bracket with a central angle of 90°, further
  • the winding end on the disc holder 2 is an arc-shaped structure with a central angle of 90°.
  • the traction rope 3 in this embodiment can drive the swing arm 6 to rotate back and forth in the range of 0-90°.
  • the susceptor 1 and the output shaft 5 are different axes, and the two have a certain interval.
  • the sector bracket is formed by a plurality of strip structures fixed on the base 1, and the strip structure is provided with an extension portion 9 at one end away from the base 1, and a pulley is disposed on the extension portion 9. 8, the pulley 8 is provided with a card portion. Since the input shaft 4 is disposed on the upper surface of the base 1, the height of the latching portion and the input shaft 4 can be substantially the same by providing the extending portion, so that the traction rope 3 can be substantially maintained at the same level, so that the swing mechanism can be made. The operation is more stable.
  • the slewing mechanism disclosed in this embodiment is suitable for the case of a small range of angle adjustment.
  • the slewing mechanism disclosed in the fourth embodiment is substantially the same as that of the first embodiment, except that the slewing mechanism disclosed in the first embodiment simultaneously realizes the wire take-up and pay-off at both ends of the traction rope through an input shaft. In this embodiment, the slewing mechanism realizes the take-up and pay-off of the two ends of the traction rope through the two input shafts.
  • the input shaft includes a first input shaft and a second input shaft
  • the connecting portion of the traction rope connected to the input shaft has an opening, and the first end of the traction rope at the opening is wound on the first input shaft, The second end is wound on the second input shaft.
  • the first input shaft is used to take up the first end of the traction rope at the opening
  • the second input shaft is placed on the second end thereof, and correspondingly, the first input
  • the second input shaft takes up the second end thereof.
  • the first input shaft and the second input shaft may be sleeved together, and may also be arranged in parallel.
  • the input shaft in this embodiment is set to two, which can make the traction rope slide on the disc bracket more. To be smooth, it is effective to avoid the knotting of the traction rope.
  • the slewing mechanism disclosed in the fifth embodiment is substantially the same as the first embodiment, except that the connecting portion of the slewing mechanism of the first embodiment that is connected to the input shaft has an opening, and in the embodiment, the traction rope and the input
  • the connecting sections of the shaft connection are of continuous structure.
  • the traction rope is specifically a belt
  • the belt is tensioned by the input shaft
  • the input shaft transmits the traction rope through the frictional force between it and the traction rope.
  • the swing arm can be rotated back and forth or continuously in the range of 0 to 360 degrees as the belt slides.
  • the belt is entirely located in a plane on the disc-shaped bracket, so that the arrangement can make the belt slide more smoothly, and further make the rotation of the swing arm more stable.
  • the slewing mechanism disclosed in the sixth embodiment is substantially the same as the first embodiment, except that the connecting portion of the slewing mechanism of the first embodiment that is connected to the input shaft has an opening, and in the embodiment, the traction rope and the input
  • the connecting sections of the shaft connection are of continuous structure.
  • the traction rope is specifically a chain
  • the input shaft is a sprocket
  • the chain is tensioned under the action of the sprocket
  • the sprocket drives the chain under the driving of the motor.
  • the swing arm can rotate back and forth or continuously in the range of 0 to 360 degrees as the chain slides.
  • the chain is entirely located in a plane on the disc-shaped bracket, so that the arrangement can make the chain slide more smoothly, and further make the rotation of the swing arm more stable.
  • Embodiment 7 is basically the same as Embodiment 1, except that In the slewing mechanism of the first embodiment, the connecting portion of the traction rope connected to the input shaft has an opening, and in the embodiment, the connecting portion of the traction rope connected to the input shaft has a continuous structure.
  • the traction rope is specifically a timing belt
  • the input shaft is a synchronous pulley
  • the timing belt is tensioned under the action of the synchronous pulley
  • the synchronous pulley drives the timing belt under the driving of the motor.
  • the swing arm can be rotated back and forth or continuously in the range of 0 to 360 degrees as the timing belt slides.
  • the timing belt is entirely located in a plane on the disc-shaped bracket, so that the sliding of the timing belt can be made more stable, and the rotation of the swing arm is further stabilized.
  • the slewing mechanism disclosed in the embodiment 8 is substantially the same as the first embodiment.
  • the traction rope 3 and the swing arm are connected by the connecting member 7, except that the slewing mechanism in the first embodiment is shown in FIG.
  • the connecting section of the middle traction rope 3 and the connecting member 7 is a continuous structure, and in the present embodiment, as shown in FIG. 6, the connecting section of the pulling rope 3 and the connecting member 7 has an opening, and the two ends of the pulling rope at the opening The ends are respectively fixed at both ends of the connecting member.
  • connection method can effectively ensure the fixed connection between the swing arm and the traction rope, further ensuring that the swing arm can effectively rotate with the sliding of the traction rope during the sliding process, thereby effectively ensuring the effective operation of the rotary mechanism.
  • embodiment is an improvement made on the basis of the first embodiment.
  • other embodiments may also perform the same improvement on the basis of the second, third, fourth, fifth, sixth, and seventh embodiments. I will not repeat them here.
  • the slewing mechanism disclosed in the ninth embodiment is substantially the same as the first embodiment, except that the distance between the winding end of the disk-shaped bracket and the output shaft in the slewing mechanism in the first embodiment is constant, and the length of the swing arm is fixed.
  • the disc-shaped bracket is an elliptical bracket, and the distance between the winding end of the elliptical bracket and the output shaft is varied, and accordingly, the length of the swing arm is also adjustable.
  • embodiment is an improvement made on the basis of the first embodiment.
  • other embodiments may also perform the same on the basis of the second, third, fourth, fifth, sixth, seventh, and eighth embodiments. Improvements are not repeated here.
  • the latching portion can be selectively disposed;
  • the disc-shaped bracket can also be set as a solid disc, so that the structure of the swinging mechanism is more stable and the operation is more reliable, but the manufacturing cost thereof is correspondingly higher;
  • the disc-shaped bracket can also be formed by providing a hollow structure on the solid disc; the bases of the disc-shaped bracket, the input shaft and the output shaft can be respectively set or set as the same base; the disc-shaped bracket can also be connected with the base One-piece molding;
  • the rope can also be selected according to the needs of steel wire rope, nylon rope, belt, timing belt or other kinds of rope-like structure;
  • the winding end of the disk-shaped bracket is a circular structure, an elliptical structure, the central angle is 10 ⁇ 359
  • the curved structure of ° or other irregular shape of course, the central angle of the curved structure can also be finely adjusted between 0 ⁇ 10 °, 359 ° ⁇ 360 °; the tensioning mechanism can be selectively set;
  • the specific application of the first embodiment of the swing mechanism of the present invention is as follows:
  • the motor control input shaft 4 rotates, and the input shaft 4 pays the line to the first end of the traction rope 3, and at the same time receives the line at the second end thereof;
  • the traction rope 3 slides along the groove on the pulley 8 on the disc-shaped bracket 2;
  • the traction rope 3 drives the swing arm 6 to rotate through the connecting member 7;
  • the swing arm 6 drives the output shaft 5 to rotate.
  • the slewing mechanism of the invention can further increase the effective rotation of the output shaft by adding a large force arm and a moment to the output shaft by increasing the length of the swing arm, and has a simple structure and a low production cost, and can be popularized and applied in a wide range.
  • the photovoltaic power generation system can adjust the photovoltaic by providing a slewing mechanism disclosed in the present invention.
  • the angle of the plate in the horizontal or vertical direction can also be adjusted by simultaneously setting the two slewing mechanisms of the present invention to adjust the angle of the photovoltaic panel in the horizontal direction and the vertical direction.
  • the slewing mechanism of the present invention can also be applied to wind power generation, bioenergy generation, or other industrial fields.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Transmission Devices (AREA)
  • Manipulator (AREA)

Abstract

一种回转机构，包括：基座（1）；盘状支架（2），固定设置在基座（1）上，盘状支架（2）的外周具有绕线端；牵引绳（3），绕设在盘状支架（2）的绕线端上；输入轴（4），用于张紧牵引绳（3）并带动牵引绳（3）沿着盘状支架（2）的绕线端滑动；输出轴（5），用于与外部结构连接；摆臂（6），其第一端与牵引绳（3）连接，其第二端与输出轴（5）连接；牵引绳（3）带动摆臂（6）转动，摆臂（6）进一步带动输出轴（5）转动。该回转机构结构简单，运行可靠，通过具体选择盘状支架及摆臂的尺寸，可以对输出轴施加较大的力臂及力矩，进而保证输出轴的有效传动。

Description

一种回转机构 技术领域
本发明涉及回转装置的结构设计技术领域，尤指一种回转机构。
背景技术
随着能源的日益紧张的和污染的日益严重，现代工业开始开发和使用绿色能源，其中对于太阳光光能的开发最为热门。在太阳光光能的不断开发中，光伏系统的生产技术不断得到提高，并且日益广泛应用于各个领域。光伏系统是通过光电效应或者光化学效应直接把光能转化成电能的装置。光伏系统是太阳能发电系统中的核心部分，也是太阳能发电系统中价值最高的部分。光伏系统不仅能够将太阳能转化为电能，还能够将电能蓄电池中存储起来，或者用于推动负载工作。
为了提升光伏系统发电的效率，降低其发电成本，一般通过回转器或者齿轮圈调整太阳能板的角度，使太阳能板可以有效追踪太阳，从而有效提升了太阳能板的利用率，提高了发电效率。但是，现有的回转器精度很高，且远高于太阳能板转动需要的精度，而且其制作成本也非常高，因此不能得到较普遍的应用，另外齿轮圈回转机构间隙大，调节精度较低。
因此，本申请人致力于提供一种新型的回转机构，其结构简单，制作成本低，且结构可靠性高。
发明内容
本发明的目的是提供一种回转机构，其结构简单，制作成本低，且结构可靠性高。
为解决上述技术问题，本发明提供了一种回转机构，包括：基座；盘状支架，固定设置在所述基座上，所述盘状支架的外周具有绕线端；牵引绳，绕设在所述盘状支架的绕线端上；输入轴，用于张紧所述牵引绳并带 动所述牵引绳沿着所述盘状支架的绕线端滑动；输出轴，用于与外部结构连接；摆臂，其第一端与所述牵引绳连接，其第二端与所述输出轴连接；所述牵引绳带动所述摆臂转动，所述摆臂进一步带动所述输出轴转动。
优选地，所述绕线端上设有用于对所述牵引绳进行限位的卡位部。
优选地，所述卡位部为凹槽；和/或；所述盘状支架的绕线端上设有多个滑轮，所述滑轮的外周壁上设有所述卡位部。
滑轮的设置有利于牵引绳在盘状支架上平稳滑动，进一步增强了回转机构运行的可靠性。
优选地，所述摆臂的第一端设有一连接件，所述连接件与所述牵引绳固定连接，所述连接件在所述牵引绳的带动下在所述绕线端上滑动。
优选地，所述牵引绳与所述连接件连接的连接段为第一连续结构，所述牵引绳的第一连续结构穿设在所述连接件上；或；所述牵引绳与所述连接件连接的连接段具有第一开口，所述牵引绳在所述第一开口处的两端分别固定在所述连接件的两端。
优选地，所述牵引绳与所述输入轴连接的连接段具有第二开口，所述牵引绳在所述第二开口处的第一端和第二端分别缠绕在所述输入轴上，且所述输入轴对所述牵引绳在所述第二开口处的第一端进行收线时，同时对其第二端进行放线。
优选地，所述牵引绳在所述第二开口处的第一端沿第一方向缠绕在所述输入轴的第一段，其第二端沿第二方向缠绕在所述输入轴的第二段，且所述第一方向与所述第二方向相反。
优选地，所述输入轴包括第一输入轴和第二输入轴，所述牵引绳在所述第二开口处的第一端缠绕在所述第一输入轴上，其第二端缠绕在所述第二输入轴上，所述第一输入轴对所述牵引绳在所述第二开口处的第一端进行收线时，所述第二输入轴对其第二端进行放线，所述第一输入轴对所述牵引绳在所述第二开口处的第一端进行放线时，所述第二输入轴对其第二端进行收线。
优选地，所述牵引绳与所述输入轴连接的连接段为第二连续结构，且所述第二连续结构在所述输入轴的作用下张紧。
优选地，所述牵引绳在所述盘状支架上缠绕一圈或者多圈。
优选地，所述牵引绳为钢丝绳、尼龙绳、皮带、同步带或链条。
优选地，所述盘状支架上的绕线端为圆形结构；或；所述盘状支架上的绕线端为椭圆形结构；或；所述盘状支架上的绕线端为弧形结构，且所述弧形结构的圆心角为10～359°。
优选地，所述绕线端上各点与所述输出轴之间的距离不变，所述摆臂的长度固定；或；所述绕线端上各点与所述输出轴之间的距离可变，所述摆臂的长度可调。
优选地，所述盘状支架为一实心盘或镂空盘。
盘状支架设为实心盘时，回转机构的结构更加稳固，运行更加可靠，但是其制作成本较高；盘状支架设为镂空盘时，回转机构的结构简单，可以有效降低回转机构的制作成本，有利于扩大回转机构的应用范围。
优选地，所述回转机构还包括：张紧机构，设置在所述基座上，且与所述牵引绳连接，用于在所述牵引绳的滑动过程中张紧所述牵引绳。
张紧机构可以有效吸收牵引绳在滑动过程中产生的余量，使牵引绳可以保持张紧状态，从而保证牵引绳可以有效带动摆臂转动。
本发明的回转机构可以实现以下至少一种有益效果：
1、本发明的回转机构通过在盘状支架上设置定位牵引绳的卡位部，再通过输入轴带动牵引绳在绕线端中滑动，摆臂与牵引绳固定连接，因此牵引绳在滑动过程中，摆臂也随之转动，摆臂进一步带动输出轴转动，本发明的回转机构结构简单，运行可靠，通过具体选择盘状支架及摆臂的尺寸，可以对输出轴施加较大的力臂及力矩，进而保证输出轴的有效转动。
2、本发明的回转机构通过在盘状支架的绕线端处设置卡位部，可以有效避免牵引绳在盘状支架上滑动时脱离绕线端，从而进一步保证了回转机构的平稳运行。
3、本发明的回转机构中摆臂通过一连接件与牵引绳连接，且牵引绳可以带动连接件通过盘状支架上的绕线端，这样设置可以增大摆臂的转动角度范围，进一步增大输出轴的转动角度范围，从而可以扩大回转机构的应用范围。
4、本发明的回转机构中牵引绳与输入轴的连接段可以设置一开口，也就是说此连接段为断开结构，这样设置时，可以通过一个输入轴同时实现牵引绳在此开口处的两端的收线和放线，也可以通过两个输入轴分别实现牵引绳在此开口处的两端的收线和放线，结构灵活，且牵引绳在滑动过程中不易打结。
5、本发明的回转机构中牵引绳与输入轴的连接段可以为连续结构，并通过输入轴张紧此处的连续结构，再通过输入轴传动牵引绳，这样设置可以减小牵引绳的总长度，避免牵引绳在输入轴上缠绕，进一步简化了回转机构的结构。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细说明：
图1是本发明的回转机构的一种具体实施例的结构示意图；
图2是本发明的回转机构的另一种具体实施例的结构示意图；
图3是本发明的回转机构的另一种具体实施例的结构示意图；
图4是图3中所示的回转机构的俯视图；
图5是图1中所示的回转机构中牵引绳与摆臂的连接处的放大结构示意图；
图6是本发明的回转机构的另一种具体实施例中牵引绳与摆臂的连接处的放大结构示意图。
附图标号说明：
基座1，盘状支架2，牵引绳3，输入轴4，输出轴5，摆臂6，连接件7，滑轮8，延伸部9。
具体实施方式
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
实施例一
图1公开了一种回转机构，包括：基座1；盘状支架2，固定设置在基座1上，盘状支架2的外周具有绕线端；牵引绳3，绕设在盘状支架2的绕线端上；输入轴4，用于张紧牵引绳3并带动牵引绳3沿着盘状支架2的绕线端滑动；输出轴5，用于与外部结构连接；摆臂6，其第一端与牵引绳3连接，其第二端与输出轴5连接；牵引绳3带动所述摆臂6转动，摆臂6进一步带动所述输出轴5绕着输出轴5的轴线转动。
具体的，绕线端上设有用于对牵引绳3进行限位的卡位部，卡位部用于避免牵引绳在滑动过程中脱离盘状支架的绕线端。
具体的，盘状支架2的绕线端上设有多个滑轮8，滑轮8的外周壁上设有卡位部，卡位部为凹槽。滑轮8的设置有利于牵引绳3在盘状支架2上平稳滑动，这进一步增强了回转机构运行的可靠性。
具体的，摆臂6的第一端设有一连接件7，连接件7与牵引绳3固定连接，连接件7在牵引绳3的带动下在绕线端上滑动。
具体的，牵引绳3与连接件7连接的连接段为连续结构，连接件7包括一连接板和一夹管，摆臂通过连接板与夹管连接，牵引绳3的连续结构穿设在夹管中。夹管在牵引绳的带动下通过盘状支架上的卡位部。
具体的，牵引绳3与输入轴4连接的连接段具有开口，牵引绳3在此开口处的第一端沿第一方向缠绕在输入轴4的第一段上，其第二端沿第二方向缠绕在输入轴4的第二段上，且第一方向与所述第二方向相反。也就 是说，输入轴4对牵引绳3在此开口处的第一端进行收线时，同时对其第二端进行放线，牵引绳沿一方向滑动；相反地，输入轴4对牵引绳3在此开口处的第一端进行放线时，同时对其第二端进行收线，牵引绳沿另一相反方向滑动。
具体的，盘状支架2为一具有缺口的圆盘，盘状支架2上的绕线端为圆弧形结构，圆弧形绕线端上各点与输出轴5之间的距离固定，且摆臂6的长度固定。在本实施例中，圆弧形结构的圆心角为270°，因此，摆臂6可以在牵引绳3的带动下在0～270°范围内来回转动。
具体的，牵引绳3在盘状支架2上缠绕一圈，牵引绳3部分位于盘状支架2的卡位部中，部分缠绕在输入轴4上，且牵引绳3为钢丝绳。
具体的，本实施例中公开的回转机构还包括：张紧机构，设置在基座1上，且与牵引绳3连接，用于在牵引绳3的滑动过程中张紧牵引绳3。张紧机构可以有效吸收牵引绳3在滑动过程中产生的余量，使牵引绳3可以保持张紧状态，从而保证牵引绳3可以有效带动摆臂6转动。
实施例二
如图2所示，与实施例一相比，实施例二的改进之处在于，实施例二中公开的回转机构的盘状支架2的绕线端上设有两层绕线部，牵引绳3在盘状支架2上缠绕了两圈。在上面一层绕线部内，牵引绳3可以带动摆臂6在0～360°内转动，在下面一层绕线部内，牵引绳3可以带动摆臂6在0～270°内转动。并且，绕线端上的两层绕线部整体呈螺旋状，牵引绳3可以带动与摆臂6连接的连接件7从上面一层绕线部直接过渡到下面一层绕线部中。
在本实施例中，摆臂6的第一端与连接件7铰接，具体的，摆臂6的第一端与连接件7中的连接板铰接，这样设置时，连接板可以通过相对于摆臂的转动使摆臂6在牵引绳3的带动下在两层卡位部之间平稳过渡。另外，摆臂6的第二端与输出轴5铰接，这样设置时，摆臂6可以沿着输出轴5的轴线方向上下微调，这进一步有利于使摆臂6在牵引绳3的带动下 在两层卡位部之间平稳过渡。
本实施例中的回转机构可以在较大的角度范围内进行角度调节，其适用范围较大。
实施例三
如图3和图4所示，与实施例一相比，实施例三的改进之处在于，实施例三中公开的回转机构中盘状支架2为扇形支架，其圆心角为90°，进一步地，圆盘支架2上的绕线端为一圆心角为90°的圆弧状结构，这样设置时，本实施例中的牵引绳3可以带动摆臂6在0～90°范围内来回转动。并且，在本实施例中，基座1与输出轴5不同轴，二者具有一定间隔。
另外，在本实施例中，扇形支架由多个固定在基座1上的条形结构拼成，且条形结构远离基座1的一端上设有延伸部9，延伸部9上设有滑轮8，滑轮8上设有卡位部。由于输入轴4设置在基座1的上表面上，通过设置延伸部可以使卡位部与输入轴4的高度基本相同，从而使牵引绳3可以基本保持在同一水平面上，这样可以使回转机构的运行更为稳定。
本实施例中公开的回转机构适用于小范围角度调节的情况。
实施例四
实施例四中公开的回转机构与实施例一基本相同，不同之处在于，实施例一中公开的回转机构中均是通过一个输入轴来同时实现牵引绳两端的收线和放线，而在本实施例中，回转机构通过两个输入轴来分别实现牵引绳两端的收线和放线。
在本实施例中，输入轴包括第一输入轴和第二输入轴，牵引绳与输入轴连接的连接段具有开口，牵引绳在此开口处的第一端缠绕在第一输入轴上，其第二端缠绕在第二输入轴上，第一输入轴对牵引绳在此开口处的第一端进行收线时，第二输入轴对其第二端进行放线，相应地，第一输入轴对牵引绳在此开口处的第一端进行放线时，第二输入轴对其第二端进行收线。其中，第一输入轴与第二输入轴可以套设在一起，还可以并列设置。
本实施例中的输入轴设为两个，可以使牵引绳在盘状支架上的滑动更 为平稳，从而有效避免牵引绳的打结现象。
需要说明的是，本实施例是在实施例一的基础上做出的改进，当然，其他实施例还可以在实施例二、三的基础上做同样的改进，此处不再赘述。
实施例五
实施例五中公开的回转机构与实施例一基本相同，不同之处在于，实施例一中的回转机构中牵引绳与输入轴连接的连接段具有开口，而在本实施例中牵引绳与输入轴连接的连接段为连续结构。
在本实施例中，牵引绳具体为皮带，皮带在输入轴的作用下张紧，且输入轴通过其与牵引绳之间的摩擦力传动牵引绳。
在本实施例中，摆臂可以随着皮带的滑动在0～360°范围内来回或连续转动。另外，皮带整体在盘状支架上位于一平面内，这样设置可以使皮带的滑动更为平稳，进一步使摆臂的转动更为平稳。
需要说明的是，本实施例是在实施例一的基础上做出的改进，当然，其他实施例还可以在实施例二、三的基础上做同样的改进，此处不再赘述。
实施例六
实施例六中公开的回转机构与实施例一基本相同，不同之处在于，实施例一中的回转机构中牵引绳与输入轴连接的连接段具有开口，而在本实施例中牵引绳与输入轴连接的连接段为连续结构。
在本实施例中，牵引绳具体为链条，输入轴为链轮，链条在链轮作用下张紧，链轮在电机的带动下传动链条。
在本实施例中，摆臂可以随着链条的滑动在0～360°范围内来回或连续转动。另外，链条在盘状支架上整体位于一平面内，这样设置可以使链条的滑动更为平稳，进一步使摆臂的转动更为平稳。
需要说明的是，本实施例是在实施例一的基础上做出的改进，当然，其他实施例还可以在实施例二、三的基础上做同样的改进，此处不再赘述。
实施例七
实施例七中公开的回转机构与实施例一基本相同，不同之处在于，实 施例一中的回转机构中牵引绳与输入轴连接的连接段具有开口，而在本实施例中牵引绳与输入轴连接的连接段为连续结构。
在本实施例中，牵引绳具体为同步带，输入轴为同步带轮，同步带在同步带轮作用下张紧，同步带轮在电机的带动下传动同步带。
在本实施例中，摆臂可以随着同步带的滑动在0～360°范围内来回或连续转动。另外，同步带在盘状支架上整体位于一平面内，这样设置可以使同步带的滑动更为平稳，进一步使摆臂的转动更为平稳。
需要说明的是，本实施例是在实施例一的基础上做出的改进，当然，其他实施例还可以在实施例二、三的基础上做同样的改进，此处不再赘述。
实施例八
实施例八中公开的回转机构与实施例一基本相同，回转机构中牵引绳3与摆臂均是通过连接件7连接，不同之处在于，如图5所示，实施例一中的回转机构中牵引绳3与连接件7连接的连接段为连续结构，而在本实施例中，图6所示，牵引绳3与连接件7连接的连接段具有开口，牵引绳在此开口处的两端分别固定在连接件的两端。
这种连接方式可以有效保证摆臂与牵引绳之间的固定连接，进一步保证了牵引绳在滑动过程中，摆臂可以随着牵引绳的滑动有效转动，从而有效保证了回转机构的有效运转。
需要说明的是，本实施例是在实施例一的基础上做出的改进，当然，其他实施例还可以在实施例二、三、四、五、六、七的基础上做同样的改进，此处不再赘述。
实施例九
实施例九中公开的回转机构与实施例一基本相同，不同之处在于，实施例一中的回转机构中盘状支架的绕线端与输出轴之间的距离不变，且摆臂长度固定，而在本实施例中，盘状支架为一椭圆形支架，且椭圆形支架上绕线端与输出轴之间的距离是变化的，相应地，摆臂长度也是可以调节的。
需要说明的是，本实施例是在实施例一的基础上做出的改进，当然，其他实施例还可以在实施例二、三、四、五、六、七、八的基础上做同样的改进，此处不再赘述。
当然，在其他实施例中，卡位部可以选择性设置；盘状支架还可以设为实心盘，这样设置时，回转机构的结构更加稳固，运行更加可靠，但是其制作成本也相应较高；盘状支架也可以通过在实心盘上设置镂空结构从而形成；盘状支架、输入轴、输出轴这三部分的基座可以分别设置也可以设为同一基座；盘状支架还可以与基座一体成型；牵引绳还可以根据需要选择钢丝绳、尼龙绳、皮带、同步带或其他种类的绳状结构；盘状支架上的绕线端为圆形结构、椭圆形结构、圆心角为10～359°的弧形结构或其他不规则的形状，当然弧形结构的圆心角还可以在0～10°之间、359°～360°之间进行微调；张紧机构可以选择性设置；在牵引绳在盘状支架上缠绕多圈的实施例中，当摆臂在牵引绳的带动下从一圈转向另一圈时，输出轴可以相对于基座固定或者在一定范围内升降；此外，本发明的回转机构中盘状支架、基座、输入轴与输出轴之间的相对位置关系均可以根据需要进行调整，此处不再赘述。
示例性的，如图1所示，本发明的回转机构实施例一的具体应用情况如下：
1、电机控制输入轴4转动，输入轴4对牵引绳3的第一端放线，同时对其第二端收线；
2、牵引绳3沿着滑轮8上的凹槽在盘状支架2上滑动；
3、牵引绳3通过连接件7带动摆臂6转动；
4、摆臂6带动输出轴5转动。
本发明的回转机构可以通过增加摆臂的长度，对输出轴施加较大的力臂及力矩，进一步实现输出轴的有效转动，其结构简单，制作成本低，可以在较大范围内推广应用，尤其适用于光能发电系统中光伏板的角度调节。光能发电系统可以通过设置一个本发明中公开的回转机构来调节光伏 板在水平或者竖直方向上的角度，也可以通过设置两个本发明中的回转机构来同时调节光伏板在水平方向及垂直方向上的角度。
当然，本发明的回转机构还可以应用于风能发电、生物能发电或者其他工业领域。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (14)

  1. 一种回转机构，其特征在于，包括：
    基座；
    盘状支架，固定设置在所述基座上，所述盘状支架的外周具有绕线端；
    牵引绳，绕设在所述盘状支架的绕线端上；
    输入轴，用于张紧所述牵引绳并带动所述牵引绳沿着所述盘状支架的绕线端滑动；
    输出轴，用于与外部结构连接；
    摆臂，其第一端与所述牵引绳连接，其第二端与所述输出轴连接；
    所述牵引绳带动所述摆臂转动，所述摆臂进一步带动所述输出轴转动。
  2. 如权利要求1所述的回转机构，其特征在于：
    所述绕线端上设有用于对所述牵引绳进行限位的卡位部。
  3. 如权利要求2所述的回转机构，其特征在于：
    所述卡位部为凹槽；
    和/或；
    所述盘状支架的绕线端上设有多个滑轮，所述滑轮的外周壁上设有所述卡位部。
  4. 如权利要求1所述的回转机构，其特征在于：
    所述摆臂的第一端设有一连接件，所述连接件与所述牵引绳固定连接，所述连接件在所述牵引绳的带动下在所述绕线端上滑动。
  5. 如权利要求4所述的回转机构，其特征在于：
    所述牵引绳与所述连接件连接的连接段为第一连续结构，所述牵引绳的第一连续结构穿设在所述连接件上；
    或；
    所述牵引绳与所述连接件连接的连接段具有第一开口，所述牵引绳在所述第一开口处的两端分别固定在所述连接件的两端。
  6. 如权利要求1所述的回转机构，其特征在于：
    所述牵引绳与所述输入轴连接的连接段具有第二开口，所述牵引绳在所述第二开口处的第一端和第二端分别缠绕在所述输入轴上，且所述输入轴对所述牵引绳在所述第二开口处的第一端进行收线时，同时对其第二端进行放线。
  7. 如权利要求6所述的回转机构，其特征在于：
    所述牵引绳在所述第二开口处的第一端沿第一方向缠绕在所述输入轴的第一段，其第二端沿第二方向缠绕在所述输入轴的第二段，且所述第一方向与所述第二方向相反；
    或；
    所述输入轴包括第一输入轴和第二输入轴，所述牵引绳在所述第二开口处的第一端缠绕在所述第一输入轴上，其第二端缠绕在所述第二输入轴上，所述第一输入轴对所述牵引绳在所述第二开口处的第一端进行收线时，所述第二输入轴对其第二端进行放线，所述第一输入轴对所述牵引绳在所述第二开口处的第一端进行放线时，所述第二输入轴对其第二端进行收线。
  8. 如权利要求1所述的回转机构，其特征在于：
    所述牵引绳与所述输入轴连接的连接段为第二连续结构，且所述第二连续结构在所述输入轴的作用下张紧。
  9. 如权利要求1所述的回转机构，其特征在于：
    所述牵引绳在所述盘状支架上缠绕一圈或者多圈。
  10. 如权利要求1所述的回转机构，其特征在于：
    所述牵引绳为钢丝绳、尼龙绳、皮带、同步带或链条。
  11. 如权利要求1所述的回转机构，其特征在于：
    所述盘状支架上的绕线端为圆形结构；
    或；
    所述盘状支架上的绕线端为椭圆形结构；
    或；
    所述盘状支架上的绕线端为弧形结构，且所述弧形结构的圆心角为10～359°。
  12. 如权利要求1所述的回转机构，其特征在于：
    所述绕线端上各点与所述输出轴之间的距离不变，所述摆臂的长度固定；
    或；
    所述绕线端上各点与所述输出轴之间的距离可变，所述摆臂的长度可调。
  13. 如权利要求1所述的回转机构，其特征在于：
    所述盘状支架为一实心盘或镂空盘。
  14. 如权利要求1至13中任一项所述的回转机构，其特征在于，还包括：
    张紧机构，设置在所述基座上，且与所述牵引绳连接，用于在所述牵引绳的滑动过程中张紧所述牵引绳。
PCT/CN2017/093206 2016-07-19 2017-07-17 一种回转机构 WO2018014813A1 (zh)

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