• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Precise biaxial apparatus to solve the prior art problem that the worm and gear are arranged inside the casing of the transmission apparatus for a heliostat, which makes the space in the casing too small. A fixing frame (4) is removably connected to an outer wall of the vertical rotary box, a first power source and a second transmission mechanism are arranged on an outer wall of the fixing frame (4), and the first power source transmits power to the first transmission mechanism through the second transmission mechanism. In the precise biaxial transmission apparatus of the present invention, the first power source and the second transmission mechanism are both arranged on the fixing frame (4) to save space in the box and make installation convenient. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2802417A1
    申请号:ES202030685
    申请日:2020-07-03
    公开日:2021-01-19
    发明作者:Lianghua Jin；Shengkang Ye；Yi Zheng；Hongyu Tu
    申请人:Hengfengtai Prec Machinery Co Ltd；
    IPC主号:
    专利说明:

    [0002] Precise biaxial transmission apparatus
    [0004] FIELD OF TECHNIQUE
    [0006] The description relates to the field of high precision transmission apparatus, and in particular refers to a precise biaxial transmission apparatus.
    [0008] BACKGROUND OF THE PRESENT INVENTION
    [0010] In the field of solar power generation, a slight oscillation of a heliostat will make a big difference in the reflected light; therefore, there are strict requirements regarding the error hysteresis and stiffness of the transmission apparatus. Currently, mainly hydraulic transmission is used in monitoring for photo-thermal power generation. Hydraulic transmission has the drawbacks of a complicated structure, a large volume, an excess of auxiliary equipment, a high failure rate, and complicated maintenance. Furthermore, in some particularly harsh natural conditions, the transmission apparatus faces a severe test in terms of accuracy and service life.
    [0012] Chinese patent application No. CN104358839 A describes a biaxial positioning transmission apparatus including a first transmission mechanism. A gear and worm are arranged inside the box, which causes a space inside the box to be too small, and it is inconvenient to install the rest of the components, and the entire installation of the apparatus is complicated.
    [0014] SUMMARY OF THE PRESENT INVENTION
    [0016] In order to overcome the drawbacks of the prior art regarding the worm gear and gear being arranged inside the casing of the transmission apparatus for a heliostat, which makes the space in the casing too small, the present description provides a precision biaxial transmission apparatus.
    [0017] The technical solutions adopted by the description are the following:
    [0018] A biaxial transmission apparatus comprises a base, a horizontal rotary box arranged on the base, a support arranged on the horizontal rotary box capable of rotating with the horizontal rotary box, and a vertical rotary box arranged on the support; A first transmission mechanism is arranged on the vertical rotary box, a fixing frame is removably connected to an outer wall of the vertical rotary box, a first power source and a second transmission mechanism are arranged on an outer wall of the fixing frame, and the first power source transmits power to the first transmission mechanism through the second transmission mechanism.
    [0020] The first source of power is a brake motor.
    [0022] The first transmission mechanism comprises an eccentric central shaft, a curved wheel, and an internal ring gear; the eccentric central shaft is connected to the curved wheel through a first bearing, several thrust pins are evenly arranged between the curved wheel and the internal ring gear, and the curved wheel supplies torque through the axial pins.
    [0024] Tapered roller bearings are arranged on two sides of the thrust pins.
    [0026] The brake motor is connected to a planetary reducer including an output shaft, and the output shaft is connected to the eccentric central shaft.
    [0028] The vertical rotary box comprises a planetary carrier and the planetary carrier is connected to the fixing frame.
    [0030] The planetary redactor is connected to the fixing frame by bolts.
    [0032] The horizontal rotary box is driven by a second power source, and the second power source is a brake motor.
    [0034] The brake motor is pre-embedded in a steel tube.
    [0035] The second transmission mechanism is a worm gear and screw transmission mechanism.
    [0037] The second transmission mechanism comprises a gear and a worm coupled to each other, one end of the eccentric central shaft is inserted into the fixing frame to form a link connection with the worm, and the worm is driven by the brake motor. .
    [0039] The link motor is connected to a planetary reducer that includes an output shaft, and the output shaft is connected to the worm.
    [0041] The fixing frame has a tubular structure, a through hole is defined along an axis of the fixing frame, the eccentric central axis passes through the through hole, and an end cap to cover the through hole is arranged in a end of the fixing frame.
    [0043] The clamping frame is connected to the vertical rotary box through bolts.
    [0045] DESCRIPTION OF THE DRAWINGS
    [0047] FIG. 1 is a sectional diagram of a biaxial transmission apparatus in accordance with the description.
    [0049] FIG. 2 is a partial sectional diagram of a vertical rotary box in accordance with the description.
    [0051] Fig. 3 is a sectional diagram of the vertical rotary box according to the description.
    [0053] FIG. 4 is a sectional diagram of the vertical rotary box along the line A-A shown in FIG. 3.
    [0055] DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
    [0056] The description will be described in more detail with reference to the drawings. As shown in FIG. 1, a precise biaxial transmission apparatus comprises: a base 11, a horizontal rotary box 3 arranged on the base 11, a support 12 arranged on the horizontal rotary box 3 and capable of rotating with the horizontal rotary box 3, and a box 2 vertical rotary box arranged on the support 12. A first transmission mechanism is arranged on the vertical rotary box 2, a fixing frame 4 is detachably connected to an outer wall of the vertical rotary box 2, a first power source and a The second transmission mechanism is arranged on an outer wall of the fixing frame 4, and the first power source transmits power to the first transmission mechanism through the second transmission mechanism.
    [0058] The second transmission mechanism can be a worm-gear transmission mechanism or a reduction transmission mechanism, etc. The engine supplies power to the first transmission mechanism through the second transmission mechanism. The first transmission mechanism can be of the prior art, for example, that described in Chinese patent application No. CN104358839 A. When the first power source and the second transmission mechanism are arranged outside the vertical rotary box 2, The mechanisms mounted in the box can be freely arranged, and the bearings on both sides of the thrust pins can be replaced by tapered roller bearings to improve their bearing capacity.
    [0060] In the present embodiment, shown in Fig. 1, the first power source is a brake motor, also called a brake motor when the servo loses power. The motor is blocked when it loses power to avoid damaging devices due to an unexpected power supply.
    [0062] In the present embodiment, as shown in FIG. 2 and FIG. 3, the first transmission mechanism comprises an eccentric central shaft 41, a curved wheel 43, and an internal ring gear 44. The eccentric center shaft 41 is connected to the curved wheel 43 through a first bearing 42, several axial pins 45 are uniformly arranged between the curved wheel 43 and the internal ring gear 44, and the curved wheel 43 emits torque through the axial pins 45.
    [0064] In the present embodiment, as shown in FIG 2 and FIG. 2, tapered roller bearings 48 are arranged on two sides of the thrust pins 45. 48 bearings Tapered rollers are in linear contact with the roller housing, and the radial bearing capacity is very high, which is not only suitable for bearing heavy loads and load impulses, but also suitable for high-speed rotation.
    [0066] In the present embodiment, as shown in FIGS. 1, 2 and 4, the brake motor is connected to a planetary reducer 40 that includes an output shaft 403, and the output shaft 403 is connected to the eccentric center shaft 41. The output shaft 403 and the eccentric center shaft can also be connected to each other by coupling, or they can be directly connected, and they can transmit torque by key.
    [0068] In the present embodiment, as shown in FIG. 2, the vertical rotary box 2 comprises a planetary carrier 21 and the planetary carrier 21 is connected to the fixing frame 4.
    [0070] In the present embodiment, as shown in FIG. 1 and FIG. 1, the planetary reducer 40 is connected to the fixing frame 4 by bolts.
    [0072] In the present embodiment, as shown in FIG. 1, the horizontal rotary box 3 is driven by a second power source 51 and the second power source 51 is also a brake motor.
    [0074] In the present embodiment, as shown in FIG. 1, the brake motor is pre-embedded in a steel tube. In place there are steel tubes to mount the brake motor to make the motor not exposed.
    [0076] In the present embodiment, as shown in FIG. 3, the second transmission mechanism is a worm-gear transmission mechanism.
    [0078] In the present embodiment, as shown in FIG. 3, the second transmission mechanism comprises a gear 51 and a worm 52 coupled to each other, one end of the eccentric central shaft is inserted into the fixing frame 4 to form a link connection with the worm 52, and the worm 52 is driven by the brake motor. The described worm-gear transmission mechanism is self-locking, leading to safer use.
    [0079] As shown in FIG. 4, preferably the brake motor can be welded to the fixing frame 4 directly. The brake motor can also be fixed to the fixing frame 4 by bolts. A shaft sleeve 81 may be provided on the fixing frame 4 for connection of the brake motor and the fixing frame 4. A second bearing 82 is disposed at two ends of the worm 52 to position the worm 52.
    [0081] In the present embodiment, as shown in FIG. 3, the brake motor is connected to the planetary reducer 40 including the output shaft 403, and the output shaft 403 is connected to the worm 52.
    [0083] In the present embodiment, as shown in FIG. 3, the fixing frame 4 is in a tubular structure, a through hole 401 is defined along an axis of the fixing frame 4, the eccentric central shaft 41 passes through the through hole 401, and an end cap 402 to cover the through hole 401 is arranged at one end of the fixing frame 4. The lid 402 can prevent dust from entering the box and thereby improves the life of the apparatus.
    [0085] In the present embodiment, as shown in FIG. 3, the fixing frame 4 is connected to the vertical rotary box 2 through bolts 9.
    [0087] It should be understood that the terms used in the description and claims that indicate directions, position and / or relationships thereof, such as length, width, top, bottom, front, rear, left, right, vertical, horizontal, top, bottom , internal, external, are based on the directions and positions shown in the drawings, and are used for the purpose of illustrating the description and simplifying the illustration, rather than indicating or implying that the appliance or component has a specific address, or is has manufactured or operated at a specific address. Therefore, these terms should not limit the description in any way.
    [0089] Furthermore, terms such as first, second, are used for purposes of illustration, and are not used to indicate or imply the importance and number of the technical feature. Furthermore, unless otherwise defined, the technical feature with the limitation "first" or "second" may indicate or imply that the number of the technical feature may be one or more.
    [0090] The embodiments with reference to the drawings are examples for the purpose of illustrating the description rather than limiting the description. The embodiments cannot serve as a limitation of the description. Any modification based on the description will fall within the scope of the description.
    权利要求:
    Claims (14)
    [1]
    A biaxial transmission apparatus, comprising: a base (11), a horizontal rotary box (3) arranged on the base (11), a support (12) arranged on the horizontal rotary box (3) and capable of rotating with the horizontal rotating box (3), and a vertical rotating box (2) arranged on the support (12), where a first transmission mechanism is arranged on the vertical rotating box (2), characterized in that a frame (4) The fixing frame is removably connected to an outer wall of the vertical rotary box (2), a first power source and a second transmission mechanism are arranged on an outer wall of the fixing frame (4), and the first power source Power transmits power to the first transmission mechanism through the second transmission mechanism.
    [2]
    2. The biaxial transmission apparatus according to claim 1, characterized in that the first power source is a brake motor.
    [3]
    The biaxial transmission apparatus according to claim 2, characterized in that the first transmission mechanism comprises an eccentric central shaft (41), a curved wheel (43), and an internal annular gear (44); the eccentric central shaft (41) is connected to the curved wheel (43) through a first bearing (42), several axial pins (45) are evenly arranged between the curved wheel (43) and the inner ring gear (44) , and the curved wheel (43) supplies torque through the axial pins (45).
    [4]
    4. The biaxial transmission apparatus according to claim 3, characterized in that the tapered roller bearings (48) are arranged on two sides of the axial pins (45).
    [5]
    The biaxial transmission apparatus according to claim 4, characterized in that the brake motor is connected to a planetary reducer (40) that includes an output shaft (403), and the output shaft (403) is connected to the eccentric central shaft (41).
    [6]
    The biaxial transmission apparatus according to claim 5, characterized in that the vertical rotary box (2) comprises a planetary carrier (21) and the planetary carrier (21) is connected to the fixing frame (4).
    [7]
    7. The biaxial transmission apparatus according to claim 6, characterized in that the planetary reducer (40) is connected to the fixing frame (4) through bolts.
    [8]
    The biaxial transmission apparatus according to claim 1, characterized in that the horizontal rotary box (3) is driven by a second power source (51), and the second power source is a brake motor.
    [9]
    9. The biaxial transmission apparatus according to claim 8, characterized in that the brake motor is pre-embedded in a steel tube.
    [10]
    10. The biaxial transmission apparatus according to claim 2, characterized in that the second transmission mechanism is a worm-gear transmission mechanism.
    [11]
    The biaxial transmission apparatus according to claim 10, characterized in that the second transmission mechanism comprises a gear (51) and a worm (52) coupled to each other, one end of the central eccentric shaft is inserted in the frame (4) fixing to form a link connection with the worm (52), and the worm (52) is driven by the brake motor.
    [12]
    12. The biaxial transmission apparatus according to claim 10, characterized in that the brake motor is connected to a planetary reducer (40) that includes an output shaft (403), and the output shaft (403) is in connection with the worm screw (52).
    [13]
    The biaxial transmission apparatus according to claim 12, characterized in that the fixing frame (4) is a tubular structure, a through hole (401) is defined along an axis of the fixing frame (4) , the eccentric center shaft (41) passes through the through hole (401), and an end cap (402) for covering the through hole (401) is provided at one end of the fixing frame (4).
    [14]
    14. The biaxial transmission apparatus according to claim 13, characterized in that the fixing frame (4) is connected to the vertical rotary box (2) through bolts (9).
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    同族专利:
    公开号 | 公开日
    ES2802417B2|2021-10-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2009054020A2|2007-10-25|2009-04-30|Alessandro Chiorlin|A support device for photovoltaic panels which are intended for electrical energy production plants|
    US20090133521A1|2007-11-22|2009-05-28|Jens Kunert|Two-axle drive system|
    EP2327906A1|2008-08-21|2011-06-01|Nabtesco Corporation|Gear power transmitting device and solar generating device|
    DE102010014087A1|2010-04-06|2011-10-06|Imo Holding Gmbh|Device for biaxial adjustment of a system, in particular a solar panel unit|
    CN104358839A|2014-10-24|2015-02-18|浙江恒丰泰减速机制造有限公司|Double-axis positioning transmission mechanism|
    法律状态:
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