WO2024034894A1 - Boîte d'engrenages d'opération de force d'accouplement - Google Patents

Boîte d'engrenages d'opération de force d'accouplement Download PDF

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Publication number
WO2024034894A1
WO2024034894A1 PCT/KR2023/010296 KR2023010296W WO2024034894A1 WO 2024034894 A1 WO2024034894 A1 WO 2024034894A1 KR 2023010296 W KR2023010296 W KR 2023010296W WO 2024034894 A1 WO2024034894 A1 WO 2024034894A1
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WO
WIPO (PCT)
Prior art keywords
bevel gear
gear
shaft
coupled
arm
Prior art date
Application number
PCT/KR2023/010296
Other languages
English (en)
Korean (ko)
Inventor
송길봉
Original Assignee
송길봉
오춘희
송강희
송경희
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
Priority claimed from KR1020220098865A external-priority patent/KR102514646B1/ko
Application filed by 송길봉, 오춘희, 송강희, 송경희 filed Critical 송길봉
Publication of WO2024034894A1 publication Critical patent/WO2024034894A1/fr

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    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/038—Gearboxes for accommodating bevel gears
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating

Definitions

  • the present invention relates to a gearbox driven by a coupled force, and more specifically, to apply a parallel force without eccentricity to each gear of the power shaft, so that excessive force is not applied to the gear itself as well as components such as bearings,
  • This relates to a gearbox that includes a bevel gear that can extend the life of the box and effectively transmit rotational force.
  • the high-efficiency right-angle gearbox of the U.S. patent (application number 12/480379, application date June 8, 2009) is a hypoid gear type in which the pinion gear is installed away from the gear center point in a spiral bevel gear, but it is also a hypoid gear type of the bevel gear and pinion gear. Because the power transmission structure is biased to one side, the gear connection is still unstable and prone to wear.
  • the multi-rotor gear dynamic device and unmanned aerial vehicle of the Chinese patent (Publication No. 108216653, publication date June 29, 2018) are installed at narrow intervals, causing problems with stable operation of the gears.
  • the horizontal axis wind power generator of the Republic of Korea patent (registration number 10-2185806, registration date December 2, 2020) is a technology in which the horizontal axis wind power generator axis is connected to the generator by connecting the vertical axis combined with the bevel gear, and the rotation due to the eccentricity of the bevel gear There is an instability problem.
  • the present invention is intended to solve the problems of the prior art described above. Since the power shaft is a long section connected to the outside of the gearbox, there is no distortion due to stable installation with bearings, etc., but distortion may occur in gear parts operating within the gearbox. , What we want to solve for this is as follows.
  • the purpose is to provide a gearbox that can transmit balanced power without distortion using two bevel gears facing each other and pinion gears coupled between them.
  • the gearbox of the paired force operation includes an arm bevel gear unit 20 and a male bevel gear unit 30 facing each other at a certain distance; It includes two or more pinion gears 51 coupled between the arm bevel gear unit 20 and the male bevel gear unit 30, wherein the arm bevel gear unit 20 includes an arm bevel gear 21 and the arm It includes an internal shaft cylinder 27 coupled to the inside of the bevel gear 21, and a rotation shaft 23 formed on the outside of the arm bevel gear 21, and the male bevel gear portion 30 is connected to the arm bevel gear 21.
  • the gearbox of the paired force operation includes a first gear installation plate 15 including a rotation groove 17 for receiving and supporting the rotation shaft 23 of the arm bevel gear 21, and the number A second gear installation plate 15 including a rotation groove 17 for receiving and supporting the rotation axis 33 of the bevel gear 31, and the first and second gear installation plates facing each other at a certain distance. It further includes an enclosure (11) that secures (15).
  • the enclosure 11 further includes an oil inlet 71 for injecting lubricating oil, an oil supply pipe 73 for supplying lubricating oil into the storage box, and an oil gauge 75 indicating the amount of lubricating oil.
  • the inner shaft 37 is configured to rotate in the opposite direction to the inner shaft cylinder 27 by rotation of the pinion gear 51 when inserted into the inner shaft cylinder 27.
  • the arm bevel gear unit 20 further includes an insertion shaft 26 coupled to one end of the inner shaft cylinder 27 and passing through the center of the arm bevel gear 21, and the male bevel gear unit 30 ) is coupled to one end of the inner shaft 37 and further includes an insertion shaft 36 penetrating the center of the male bevel gear 31.
  • the gearbox of the coupled force operation includes a rotating shaft bearing 62 installed around the rotating shafts 23 and 33, an internal shaft bearing 63 installed around the inner shaft 37, and the inner shaft
  • One or more oil holes 28 formed to penetrate the inner shaft cylinder 27 to supply lubricating oil into the cylinder 27, a spiral oil groove 39 formed around the inner shaft 37, and the oil groove It includes one or more oil holes 38 formed to penetrate the sub-bevel gear 31 at the center of the sub-bevel gear 31 connected to one end of (39).
  • the force applied to the gears is always transmitted uniformly in a direction symmetrical to 180 degrees, so even in the case of large power transmission with little vibration or noise, there is no adverse effect due to distortion on the gear itself, bearings, and gearbox structure.
  • the lifespan of the gearbox can be extended by reducing .
  • efficiency is improved because friction loss can be reduced, and it is possible to manufacture a gearbox that is a so-called bipartite gear in which the axial power is distributed by half the force in the combination of bevel gears of various sizes, both small and large.
  • FIG. 1 is a cross-sectional view of a gearbox according to a first embodiment of the present invention.
  • Figure 2 is an assembly diagram of the gearbox of Figure 1
  • Figure 3 is an assembled perspective view of the arm bevel gear part of Figure 1
  • Figure 4 is a perspective view of the assembly of the male bevel gear part of Figure 1
  • Figure 5 is an assembled perspective view of the gearbox of Figure 1
  • Figure 6 is an internal configuration diagram of the gearbox of Figure 1
  • Figure 7 is an internal configuration diagram of a gearbox according to a second embodiment of the present invention.
  • FIG. 8 is a cross-sectional view of a gearbox according to a third embodiment of the present invention.
  • Figure 9 is an assembly diagram of the gearbox of Figure 8.
  • Figure 10 is an assembled perspective view of the arm bevel gear part of Figure 8
  • FIG 11 is an assembled perspective view of the gearbox of Figure 8.
  • each bevel gear and pinion gear can be in the form of a straight or spiral bevel gear.
  • the gearbox according to the present invention includes two bevel gears installed facing each other, and two or more pinion gears engaged with the two bevel gears between the two bevel gears.
  • One of the two pinion gears transmits power to the two bevel gears to rotate in opposite directions.
  • the power transmitted to the bevel gear is transmitted to the other pinion gears.
  • the bevel gear transmits only the rotational power to the other pinion gears without direct coupling with the pinion gear rotation axis. Therefore, two or more pinion gears are configured to always transmit rotational force to the power shaft through a paired force.
  • the gearbox according to the first embodiment of the present invention includes a square enclosure (11), two bevel gears (21, 31) facing each other at a certain distance, and bevel gears (21, 31). ) and includes two or more pinion gears (51) that are coupled with the bevel gears (21, 31).
  • the rectangular enclosure (11) has the front and rear outer walls open, and the pinion gear (51) has a gear jaw (52) at one end to reduce interference with other components, and each pinion gear (51) has a power shaft. Connected to (53).
  • the power shaft 53 is attached to the side wall of the enclosure 11 while the sealing ring 55 to prevent leakage of lubricant is inserted into the enclosure 11.
  • the bearing housing 61 with the bearing installed is fixed to the enclosure 11 using the assembly bolt 19 with the power shaft 53 inserted.
  • Figure 1 shows only one pinion gear 51, but one or more other pinion gears 51 may be installed on other side walls of the enclosure 11.
  • the arm bevel gear portion 20 is cylindrical with a deep interior, and includes an insertion shaft 26 inserted into the arm bevel gear 21 so as to penetrate from the inner center of the arm bevel gear 21 to the outer center, and an insertion shaft 26. It is integrally connected to and includes an inner shaft cylinder (27) located between two bevel gears (21, 31), and an oil hole (28) formed in the inner shaft cylinder (27).
  • the inner shaft cylinder 27 is coupled to the inside of the arm bevel gear portion 21, and the rotation axis 23 is formed on the outside of the arm bevel gear 21.
  • the first gear installation plate 15 which is the cover of the enclosure 11, forms a cylindrical internal groove surrounded by a rotating groove frame 16 with a central portion protruding, and the lubricating plate 81 and the rotating shaft bearing are located in this cylindrical groove. (62) is inserted into the rotating shaft (23) of the coupled arm bevel gear (21) and fixed so that it can rotate, and the first gear installation plate (15) is connected to the enclosure (11) using the assembly bolt (19).
  • the arm bevel gear unit 20 is installed. Additionally, the first gear installation plate 15 includes a rotation groove 17 for receiving and supporting the rotation shaft 23.
  • the water bevel gear unit 30 includes a round and long rod-shaped inner shaft 37, an insertion shaft 36 integral with the inner shaft 37, and a water bevel gear 31 into which the insertion shaft 36 is inserted in the center. Includes.
  • Two oil holes 38 are formed on the inside of the water bevel gear 31, and the second gear installation plate 15, which is the cover of the enclosure 11, has a cylindrical shape surrounded by a rotating groove frame 16 with a central portion protruding.
  • An internal groove is formed, and the rotation axis 33 of the water bevel gear 31 equipped with the lubrication plate 81 and the rotation shaft bearing 62 is inserted into this cylindrical groove and fixed so as to be rotatable, and the water bevel gear part ( First insert the lubrication plate (81) and the inner shaft bearing (63) into the inner shaft (37) of 30), then insert them into the inner shaft cylinder (27) of the arm bevel gear part (20), and attach the gear installation plate (15) to the assembly bolt.
  • the male bevel gear unit (30) is installed to complete the cylinder-coupled force action gearbox.
  • the second gear installation plate 15 includes a rotation groove 17 for receiving and supporting the rotation shaft 33.
  • the inner shaft 37 is coupled to the inside of the sub-bevel gear 31, and the rotation axis 33 is formed on the outside of the sub-bevel gear 31.
  • the enclosure 11 fixes the first and second gear installation plates 15 so that they face each other at a certain distance.
  • Figure 2 is a cross-sectional assembly view of the gearbox of Figure 1.
  • the enclosure 11 is open on both sides except for the wall, and the pinion gear 51 is equipped with a gear jaw 52.
  • the lubrication plate 81 is inserted into the power shaft 53, and the sealing ring 55 is inserted into the pinion hole 12 of the enclosure 11.
  • the bearing housing 61 with the bearing installed is fixed to the assembly bolt tab 13 of the enclosure 11 with the assembly bolt 19 while the power shaft 53 is inserted.
  • Two or more pinion gears (51) can be further installed in the enclosure (11), and the basic configuration of the present invention is to have two or more pinion gears (15).
  • the arm bevel gear portion (20) has a deep cylindrical interior and is equipped with oil holes (28) for supplying lubricant penetrating from the inside to the outside on both sides, and the insertion shaft (26), which is integrated with the inner cylinder (27), is connected to the arm bevel gear (21). ) is joined to the insertion hole (25) by interference fitting, etc., a lubricating plate (81) that touches the gear jaw (22) is installed, and the rotating shaft (23) into which the rotating shaft bearing (62) is inserted is installed as a cover of the enclosure (11). It is configured to fix/support the rotation shaft 23 so that it can rotate by inserting it into the cylindrical rotation groove 17 formed by the rotation groove frame 16 of the first gear installation plate 15.
  • the arm bevel gear portion 20 is installed by penetrating the assembly hole 18 of the first gear installation plate 15 with the assembly bolt 19 and engaging the assembly bolt tab 13 of the enclosure 11.
  • the water bevel gear unit 30 has an insertion shaft 36 integrated with a circular long rod-shaped inner shaft 37 in which a spiral oil groove 39 is formed up to a disk-shaped inner shaft plate 34, and the water bevel gear 31 ) is joined to the insertion groove 35 by pressure fitting, etc., and an oil hole 38 is formed to penetrate the male bevel gear 31 on both sides of the inner bevel gear 31 connected to one end of the oil groove 39. Two are formed, and an oil groove (39) is connected from the oil hole (38) to the center for a certain section.
  • the lubrication plate 81 is installed so as to contact the gear jaw 32, and the rotation shaft 33 into which the rotation shaft bearing 62 is inserted is placed in the rotation groove frame 16 of the second gear installation plate 15, which is the cover of the enclosure 11. It is configured to fix/support the rotation shaft 33 so that it can rotate by inserting it into the cylindrical rotation groove 17 formed.
  • the inner shaft 37 of the male bevel gear portion 30 is inserted into the inner shaft cylinder 27 of the female bevel gear portion 20 with the lubrication plate 81 and the shaft bearing 63 inserted first, and then the assembly bolt is tightened.
  • the assembly bolt is tightened.
  • Figure 3 is an assembled perspective view of the arm bevel gear part 20, which is the main part of the present invention.
  • the inside of the arm bevel gear part 20, which is a component of the arm bevel gear part 20 has a deep cylindrical shape and an oil hole penetrating from the inside to the outside.
  • the inner cylinder (27) equipped on both sides of 28) has an insertion shaft (26) at one end.
  • the arm bevel gear 21 has a gear jaw 22 and a rotation shaft 23 formed toward the enclosure 11, and the insertion hole 25 into which the insertion shaft 26 of the inner shaft cylinder 27 is inserted has a rotation shaft 23.
  • the arm bevel gear portion 20 is completed by penetrating and coupling the insertion shaft 26 to the insertion hole 25 by force fitting, etc.
  • Figure 4 is an assembled perspective view of the sub-bevel gear unit 30, which is the main part of the present invention.
  • a spiral-shaped inner axis 37 of a circular long rod shape which is a component of the sub-bevel gear unit 30, is attached.
  • An oil groove 39 is formed and continues to the disk-shaped inner shaft plate 34, and the insertion shaft 36 protrudes by a certain length.
  • the male bevel gear 31 has a gear jaw 32 and a rotating shaft 33 formed toward the outer case 11, and an insertion hole 35 for inserting the inserting shaft 36 of the inner shaft 37 penetrates the rotating shaft 33.
  • the level gear unit 30 is completed by forming an oil hole 38 at the position where the inner shaft plate 34 is in contact, and firmly coupling the insertion shaft 36 to the insertion hole 35 by force fitting it. It is a configuration that works.
  • FIG. 5 is an assembled perspective view of the gearbox components of Figure 1. As shown in Figure 5, each bevel gear (21, 31) and pinion gear (51) may be a straight or spiral bevel gear.
  • the pinion gear (51) is equipped with a gear jaw (52) and powers the enclosure (11) with a sealing ring (55) installed.
  • the oil gauge is installed by inserting the shaft (53) and has two pinion gears (51) installed at right angles, and is made of steel pipe surrounding a partially exposed transparent pipe connected to the oil inlet (71) for lubricating oil. (75) and the oil supply pipe (73) are installed in the enclosure (11) by fixing them with a fixing plate (72) and assembly bolts (19).
  • the arm bevel gear part (20) is cylindrical with a deep interior, and the insertion shaft, which is integrated with the inner cylinder (27), which has oil holes (28) penetrating from the inside to the outside on both sides, is pressed into the insertion hole of the arm bevel gear (21). It is in a state of being joined together.
  • the rotating shaft 23 of the arm bevel gear unit 20 is connected to the rotating groove frame 16 of the first gear installation plate 15, which is the cover of the enclosure 11, with the lubrication plate 81 and the rotating shaft bearing 62 inserted. It is configured to fix/support the rotation shaft 23 so that it can rotate by inserting it into the cylindrical rotation groove 17 formed by.
  • the sub-bevel gear unit (30) is an insertion shaft (36) integrated with a circular long rod-shaped inner shaft (37) formed with a spiral oil groove (39), which is joined to the insertion groove of the sub-bevel gear (31) by interference fitting. As a result, two oil holes 38 are formed on both sides of the inner bevel gear 31.
  • the rotating shaft 33 of the male bevel gear unit 30 is connected to the rotating groove frame 16 of the second gear installation plate 15, which is the cover of the enclosure 11, with the lubricating plate 81 and the rotating shaft bearing 62 inserted. It is configured to fix/support the rotation shaft 33 so that it can rotate by inserting it into the cylindrical rotation groove 17 surrounded by .
  • Figure 6 is an internal configuration diagram of the right angle connected bevel gear of Figure 1, with the second gear installation plate 15 including the male bevel gear portion 30 removed as shown in Figure 6,
  • An arm bevel gear unit (20) in which an inner shaft cylinder (27) with an oil hole (28) and an arm bevel gear (21) are integrated into a quadrangular enclosure (11) is mounted on the first gear installation plate (15). It is in a rotatable state.
  • the two pinion gears (51) are equipped with gear jaws (52) and are coupled to the power shaft (53), each oriented at 90 degrees. It is an installation that works.
  • the second embodiment is mostly similar to the first embodiment, but the enclosure 11 is octagonal, and because of this, the shape of the gear installation plate 15, the position of the pinion gear 51, and the installable pinion gear 51 are different. ), etc. are other characteristics. Other features are explained as follows.
  • Figure 7 is an internal configuration diagram of a multi-connection bevel gear according to a second embodiment of the present invention. As shown in Figure 7, the internal structure is in a state in which the second gear installation plate including the male bevel gear portion has been removed, 8
  • the arm bevel gear unit (20) in which an inner shaft cylinder (27) with an oil hole (28) and an arm bevel gear (21) are integrated into a square-shaped enclosure (11), rotates on the first gear installation plate (15). It is in a very connected state.
  • the pinion gear 51 is provided with a gear jaw 52 and is installed on one side while coupled to the power shaft 53.
  • the five pinion gears 51 on opposite sides are each configured to be spaced at 45 degrees.
  • the third embodiment is mostly similar to the embodiment of FIG. 1, but the rotation axis 23 and the surrounding components of the rotation axis 23 are different. Other features are explained as follows.
  • Figure 8 is a cross-sectional view of a gearbox according to a third embodiment of the present invention.
  • the rotation axis 23 of the arm bevel gear 21 penetrates the center of the first gear installation plate 15 and protrudes out of the first gear installation plate 15, and the bearing is mounted.
  • the bearing housing 61 is coupled to the first gear installation plate 15 by tightening it with an assembly bolt 19. That is, the rotation axis 23 of the third embodiment is formed to be longer than the rotation axis 23 of the first embodiment.
  • Figure 9 is an assembly diagram of the gearbox of Figure 8.
  • the lubrication plate 81 in contact with the gear jaw 22 is installed and the rotation shaft 23 into which the rotation shaft bearing 62 is inserted is installed on the first gear installation plate 15, which is the cover of the enclosure 11.
  • the first assembly bolt (19) is used with the rotation shaft (23) inserted into the bearing housing (61).
  • the bearing housing 61 is coupled to the first gear installation plate 15 by tightening the assembly bolt tab 13 of the gear installation plate 15.
  • the rotation axis 33 of the male bevel gear 30 may also penetrate the rotation groove 17 in the same form as the rotation axis 23 of the female bevel gear 20.
  • FIG. 10 is an assembled perspective view of the arm bevel gear portion 20 of FIG. 8.
  • the arm bevel gear 21 has a gear jaw 22 and a rotating shaft 23 formed toward the enclosure 11, and the insertion shaft 26 of the inner shaft cylinder 27 is inserted into the insertion groove 25. It is joined by interference fitting, etc.
  • the arm bevel gear portion 20 is configured so that the rotation axis 23 extends longer outside the arm bevel gear 21.
  • FIG. 11 is an assembled perspective view of the gearbox of Figure 8.
  • the rotation shaft 23 of the arm bevel gear unit 20 is installed on the first gear installation plate (which is the cover of the enclosure 11) with the lubrication plate 81 and the rotation shaft bearing 62 inserted. It penetrates the circular rotation groove (17) and the shaft hole (14) formed by the rotation groove frame (16) of 15), and the bearing housing (61) with the bearing installed is connected to the first gear installation plate (15) with an assembly bolt (19). It is configured to fix/support the rotary shaft 23 so that it can be rotated.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • General Details Of Gearings (AREA)

Abstract

La présente invention est destinée à réduire les vibrations et le bruit et à améliorer le rendement de production d'énergie, et une boîte d'engrenages de la présente invention comprend : une partie roue dentée conique femelle (20) et une partie roue dentée conique mâle (30) se faisant face avec une certaine distance entre elles ; et au moins deux pignons (51) couplés entre la partie roue dentée conique femelle (20) et la partie roue dentée conique mâle (30), la partie roue dentée conique femelle (20) comprenant une roue dentée conique femelle (21), un cylindre intérieur (27) accouplé à l'intérieur de la roue dentée conique femelle (21), et un arbre rotatif (23) formé à l'extérieur de la roue dentée conique femelle (21), et la partie roue dentée conique mâle (30) comprenant une roue dentée conique mâle (31) faisant face à la roue dentée conique femelle (21) avec une certaine distance entre elles, un arbre intérieur (37) qui est accouplé à l'intérieur de la roue dentée conique mâle (31) et est inséré dans le cylindre intérieur (27), et un arbre rotatif (33) formé à l'extérieur de la roue dentée conique mâle (31). La roue dentée conique femelle (21) et la roue dentée conique mâle (31) sont formées pour tourner dans des directions opposées en raison de la rotation des pignons (51).
PCT/KR2023/010296 2022-08-08 2023-07-18 Boîte d'engrenages d'opération de force d'accouplement WO2024034894A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020220098865A KR102514646B1 (ko) 2022-08-08 2022-08-08 실린더결합 짝힘동작 기어박스
KR10-2022-0098865 2022-08-08
KR20230034460 2023-03-16
KR10-2023-0034460 2023-03-16

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WO2024034894A1 true WO2024034894A1 (fr) 2024-02-15

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002090205A (ja) * 2000-09-12 2002-03-27 Kubota Corp オイルゲージ装置
KR20050091603A (ko) * 2004-03-12 2005-09-15 이광섭 베벨기어 어셈블리를 이용한 무단변속기
KR101461087B1 (ko) * 2014-04-02 2014-11-13 안병도 3방향 역회전 기어박스
CN211231526U (zh) * 2019-10-31 2020-08-11 杭州凯临钒机械有限公司 甜菜杀秧机用齿轮箱
CN213744720U (zh) * 2020-08-31 2021-07-20 浙江升宏机械有限公司 新型农用齿轮箱
KR102514646B1 (ko) * 2022-08-08 2023-03-27 송길봉 실린더결합 짝힘동작 기어박스

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002090205A (ja) * 2000-09-12 2002-03-27 Kubota Corp オイルゲージ装置
KR20050091603A (ko) * 2004-03-12 2005-09-15 이광섭 베벨기어 어셈블리를 이용한 무단변속기
KR101461087B1 (ko) * 2014-04-02 2014-11-13 안병도 3방향 역회전 기어박스
CN211231526U (zh) * 2019-10-31 2020-08-11 杭州凯临钒机械有限公司 甜菜杀秧机用齿轮箱
CN213744720U (zh) * 2020-08-31 2021-07-20 浙江升宏机械有限公司 新型农用齿轮箱
KR102514646B1 (ko) * 2022-08-08 2023-03-27 송길봉 실린더결합 짝힘동작 기어박스

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