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CN-121993583-A - Oil spraying lubricating device and gear box

CN121993583ACN 121993583 ACN121993583 ACN 121993583ACN-121993583-A

Abstract

A fuel injection lubricating device and a gear box relate to the technical field of mechanical transmission and comprise two first fuel baffle plates and two second fuel baffle plates, wherein the two first fuel baffle plates are arranged at intervals in a first direction, the two second fuel baffle plates are arranged at intervals in a second direction with an included angle with the first direction, the two first fuel baffle plates and the two second fuel baffle plates are alternately arranged in sequence and are connected end to end, the two first fuel baffle plates and the two second fuel baffle plates are matched to form a fuel storage cavity for containing meshing positions of two gears, and fuel injection holes and oil drain holes are formed in the first fuel baffle plates or/and the second fuel baffle plates. The gear can ensure that the meshing gears are sufficiently lubricated and cooled, and simultaneously can reduce oil mist generated by stirring lubricating oil by the gears, reduce power consumption and reduce operation cost.

Inventors

  • LI NINGBO
  • JIN JING
  • WANG NING
  • LIU CHUANJIE

Assignees

  • 南京高精齿轮集团有限公司

Dates

Publication Date
20260508
Application Date
20260306

Claims (10)

  1. 1. An oil jet lubrication apparatus, comprising: The two first oil baffle plates (100) and the two second oil baffle plates (200) are arranged at intervals in a first direction, the two second oil baffle plates (200) are arranged at intervals in a second direction with an included angle to the first direction, the two first oil baffle plates (100) and the two second oil baffle plates (200) are alternately arranged in sequence and connected end to end, and the two first oil baffle plates (100) and the two second oil baffle plates (200) are matched to form an oil storage cavity (002) for accommodating meshing positions of two gears; and oil injection holes (120) and oil drain holes (210) are formed in the first oil baffle plate (100) or/and the second oil baffle plate (200).
  2. 2. The oil jet lubrication apparatus according to claim 1, wherein: The two first oil baffle plates (100) are arranged at an included angle.
  3. 3. The oil jet lubrication apparatus according to claim 1, wherein: Each first oil baffle plate (100) is arranged at an included angle with a preset plane (001), the distance between the two first oil baffle plates (100) and the preset plane (001) is gradually reduced or increased in the same direction, and the preset plane (001) coincides with a plane determined by central axes of the two gears.
  4. 4. The oil jet lubrication apparatus according to claim 1, wherein: The first oil baffle (100) is provided with two first sides which are arranged at intervals in the first direction and two second sides which are arranged at intervals in the second direction, the two first sides and the two second sides are alternately arranged in sequence and are connected end to end, at least one first side of the two first sides is provided with an inward turning edge (110), and the two second sides are respectively connected with the two second oil baffles (200).
  5. 5. The oil jet lubrication apparatus according to claim 1, wherein: The side part of the second oil baffle plate (200) in the first direction is provided with an avoidance notch (220) for accommodating the wheel shaft of the gear.
  6. 6. The oil jet lubrication apparatus according to any one of claims 1 to 5, wherein: and oil spraying holes (120) are formed in the two first oil baffle plates (100).
  7. 7. The oil jet lubrication apparatus according to claim 6, wherein: And oil drain holes (210) are formed in the two second oil baffle plates (200).
  8. 8. The oil jet lubrication apparatus according to claim 6, wherein: The oil spraying and lubricating device further comprises an oil spraying pipe (300), wherein the oil spraying pipe (300) is arranged on the outer side of the first oil baffle plate (100), a plurality of oil spraying holes (120) which are distributed at intervals are formed in the first oil baffle plate (100), and the oil spraying pipe (300) is simultaneously communicated with the plurality of oil spraying holes (120).
  9. 9. A gearbox, the gearbox comprising: a spray lubrication device as claimed in any one of claims 1 to 8.
  10. 10. The gearbox as recited in claim 9, wherein: The gear box further comprises a first gear (400) and a second gear (500), wherein the first gear (400) is meshed with the second gear (500), the outer diameter of the first gear (400) is smaller than that of the second gear (500), the two first oil baffle plates (100) are respectively located at two radial sides of a meshing line of the first gear (400) and the second gear (500), and the two second oil baffle plates (200) are respectively located at two axial sides of a meshing line of the first gear (400) and the second gear (500).

Description

Oil spraying lubricating device and gear box Technical Field The invention relates to the technical field of mechanical transmission, in particular to an oil injection lubrication device and a gear box. Background With the development of the transmission equipment manufacturing industry, the performance requirements of transmission equipment are higher and higher, and particularly the requirements on the efficiency of a high-speed gear box are higher and higher. According to AGMA6011 standard, when the gear linear speed is higher, gear windage power loss accounts for nearly half of the whole power consumption of the gear box. The wind resistance loss is mainly the power consumption generated by stirring oil mist by a gear, and the higher the linear speed of the gear is, the larger the concentration of the oil mist is changed into the stirring of lubricating oil by the gear, and the larger the power consumption of the gear is. The inventor researches find that the high-speed gear box of the related art has at least the following disadvantages: The wind resistance loss is high, the gear power consumption is high, and the operation cost is high. Disclosure of Invention The invention aims to provide an oil spraying lubrication device and a gear box, which can ensure that meshing gears are sufficiently lubricated and cooled, and simultaneously can reduce oil mist generated by stirring the lubricating oil by the gears, reduce power consumption and reduce operation cost. Embodiments of the invention may be implemented as follows: In a first aspect, the present invention provides a spray lubrication device comprising: The two first oil baffles and the two second oil baffles are arranged at intervals in a first direction, the two second oil baffles are arranged at intervals in a second direction with an included angle with the first direction, the two first oil baffles and the two second oil baffles are alternately arranged in sequence and are connected end to end, and the two first oil baffles and the two second oil baffles are matched to form an oil storage cavity for accommodating meshing positions of two gears; and oil injection holes and oil drain holes are formed in the first oil baffle plate or/and the second oil baffle plate. In an alternative embodiment, the two first oil baffles are disposed at an included angle. In an alternative embodiment, each first oil baffle plate is arranged at an included angle with a preset plane, the distance between the two first oil baffle plates and the preset plane is gradually reduced or increased in the same direction, and the preset plane coincides with a plane determined by central axes of the two gears. In an alternative embodiment, the first oil baffle plate is provided with two first sides which are arranged at intervals in the first direction and two second sides which are arranged at intervals in the second direction, the two first sides and the two second sides are alternately arranged in sequence and are connected end to end, at least one first side of the two first sides is provided with an inward turning edge, and the two second sides are respectively connected with the two second oil baffle plates. In an alternative embodiment, the second oil baffle plate is provided with a relief notch on the side in the first direction for accommodating the axle of the gear. In an alternative embodiment, the two first oil baffle plates are provided with oil spray holes. In an alternative embodiment, the two second oil baffle plates are provided with oil drain holes. In an optional embodiment, the oil injection lubrication device further comprises an oil injection pipe, the oil injection pipe is arranged on the outer side of the first oil baffle plate, a plurality of oil injection holes which are distributed at intervals are formed in the first oil baffle plate, and the oil injection pipe is simultaneously communicated with the plurality of oil injection holes. In a second aspect, the present invention provides a gearbox comprising: The oil jet lubrication device according to any one of the preceding embodiments. In an alternative embodiment, the gear box further comprises a first gear and a second gear, the first gear is meshed with the second gear, the outer diameter of the first gear is smaller than that of the second gear, the two first oil baffles are respectively located on two radial sides of a meshing line of the first gear and the second gear, and the two second oil baffles are respectively located on two axial sides of the meshing line of the first gear and the second gear. The beneficial effects of the embodiment of the invention include, for example: According to the oil spraying and lubricating device, the oil spraying and lubricating device is matched with two gears meshed with each other, after the oil spraying and lubricating device and the two gears are assembled, the meshing positions of the two gears are located in the oil storage cavity, lubricating oil is s