CN217558971U

CN217558971U - Gear box

Info

Publication number: CN217558971U
Application number: CN202221024820.0U
Authority: CN
Inventors: 周坤; 康翔朝; 庄博; 马升
Original assignee: Ningbo Baosi Energy Equipment Co Ltd
Current assignee: Ningbo Baosi Energy Equipment Co Ltd
Priority date: 2022-04-30
Filing date: 2022-04-30
Publication date: 2022-10-11
Anticipated expiration: 2032-04-30

Abstract

The utility model provides a gear box, including the box, be provided with the oil storage chamber in the box, be provided with a driving shaft installation position, at least one driven shaft installation position and at least one bleeder vent in the top in oil storage chamber on the box, driving shaft installation position is used for installing driving shaft and driving gear, and driven shaft installation position is used for installing driven shaft and driven gear, and the bleeder vent is used for making the incasement and the outer intercommunication of case of gear box, is provided with the oil baffle around the bleeder vent, and the oil baffle is used for sheltering from the bleeder vent. The utility model discloses a gear box has following advantage: the oil baffle is arranged to shield around the air holes, so that oil drops thrown by 360 degrees along the rotation direction of the gear can be prevented from splashing out of the gear box through the air holes.

Description

Gear box

Technical Field

The utility model relates to a technical field of gear box more exactly relates to a gear box.

Background

The gears in the gear box are generally lubricated by oil, a large amount of heat can be generated in the continuous operation and transmission process of the gears, so that air in the gear box is heated and expanded, if the gear box is of a sealing structure, the hot air can be continuously expanded and pressurized in the gear box, and when the air is pressurized to a certain pressure value, oil leaks at a shaft seal position in the gear box due to high pressure. In order to ensure that the shaft seal does not lose efficacy, generally, air vents are arranged on the gear box, and air vent caps are arranged on the air vents, so that expanded air escapes outwards through the air vent caps, the pressure inside and outside the gear box is balanced, and the problem of oil leakage at the shaft seal is solved. Because the gear is at continuous moving in-process, need constantly to add lubricating oil to its meshing transmission face and lubricate the cooling, no matter adopt the oil pump to spout fluid or adopt the mode that the oil slinger threw oil, all can make the transmission face of gear produce a large amount of oil drips, oil drips the direction of motion and throws with 360 degrees of the direction of rotation of gear, can make partly lubricating oil through the ventilative cap spill outside the gear box, perhaps forms the oil mist and escape from ventilative cap.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a gear box, can prevent that lubricating oil from passing through the ventilative cap outside the gear box of spill, perhaps oil drips and forms the oil mist and spill from ventilative cap.

The technical solution of the utility model is to provide a gear box, including the box, be provided with the oil storage chamber in the box, be provided with a driving shaft installation position, at least one driven shaft installation position and at least one bleeder vent in the top in oil storage chamber on the box, driving shaft installation position is used for installing driving shaft and driving gear, and driven shaft installation position is used for installing driven shaft and driven gear, and the bleeder vent is used for making the incasement and the case of gear box communicate outward, is provided with the oil baffle around the bleeder vent, and the oil baffle is used for sheltering from the bleeder vent.

Compared with the prior art, the utility model discloses a gear box has following advantage: the oil baffle plate is arranged around the air holes to shield the gear, so that oil drops thrown by 360 degrees along the rotation direction of the gear can be prevented from splashing out of the gear box through the air holes, or the oil drops form oil mist and escape from the air vent cap.

Preferably, the air holes and the driving shaft installation position are located on the same side of the box body, the oil baffle plate forms semi-surrounding shielding on the air holes and avoids the driving shaft installation position and the driven shaft installation position. By adopting the structure, the oil baffle plate forms semi-surrounding shielding on the air holes, so that oil drops thrown by 360 degrees along the rotating direction of the driving gear can be prevented from splashing out of or escaping out of the gear box through the air holes, and the inside and the outside of the gear box can be communicated; the oil baffle plate avoids the driving shaft installation position and the driven shaft installation position, and then can avoid interfering with the driving gear and the driven gear.

Preferably, the driving shaft installation position is lower than the driven shaft installation position, the air holes are formed in the lower right side or the lower left side of the driving shaft installation position, one part of the oil baffle is blocked between the driving shaft installation position and the air holes, and the other part of the oil baffle is blocked above the air holes. By adopting the structure, oil drops thrown by 360 degrees along the rotating direction of the driving gear can be prevented from splashing out of the gear box or escaping from the gear box through the air holes, the oil drops which can splash on the oil baffle plate can flow back into the oil storage cavity along the oil baffle plate, and meanwhile, the air holes and the driving shaft installation position can be arranged compactly, so that the reduction of the volume of the gear box is facilitated.

Preferably, the driving shaft installation position is higher than the driven shaft installation position, the air vent is located at the upper right side or the upper left side of the driving shaft installation position, one part of the oil baffle is blocked between the driving shaft installation position and the air vent, and the other part of the oil baffle is blocked below the air vent. By adopting the structure, oil drops thrown by 360 degrees along the rotating direction of the driving gear can be prevented from splashing out of or escaping from the gear box through the air holes, the oil drops which can be splashed on the oil baffle plate can flow back to the oil storage cavity along the oil baffle plate, and meanwhile, the air holes and the driving shaft can be compactly arranged, so that the reduction of the volume of the gear box is facilitated.

Preferably, the air holes and the driven shaft installation position are located on the same side of the box body, the oil baffle plate forms semi-surrounding shielding on the air holes, one part of the oil baffle plate is shielded between the driven shaft installation position and the air holes, the other part of the oil baffle plate is shielded above the air holes, and the oil baffle plate is in position avoidance on the driving shaft installation position and the driven shaft installation position. By adopting the structure, the oil baffle plate forms semi-surrounding shielding for the air holes, oil drops thrown by 360 degrees along the rotating direction of the driven gear can be prevented from splashing out of or escaping out of the gear box through the air holes, and the inside and the outside of the gear box can be communicated; the oil baffle plate avoids the driving shaft installation position and the driven shaft installation position, and then can avoid interfering with the driving gear and the driven gear.

The oil baffle plate is blocked between the driven shaft mounting position and the air holes and is also blocked above the air holes, so that oil drops thrown by 360 degrees along the rotating direction of the driven gear can be prevented from splashing out of or escaping out of the gear box through the air holes, and the oil drops splashed on the oil baffle plate can flow back into the oil storage cavity along the oil baffle plate; the oil baffle plate avoids the installation position of the driving shaft, so that the interference with the driving gear can be avoided.

Preferably, only one driven shaft installation position is arranged, the driven shaft installation position is higher than the driving shaft installation position, the air vent is arranged on the upper right side or the upper left side of the driven shaft installation position, one part of the oil baffle is blocked between the driven shaft installation position and the air vent, and the other part of the oil baffle is blocked below the air vent. By adopting the structure, oil drops thrown by 360 degrees along the rotating direction of the driven gear can be prevented from splashing out of or escaping out of the gear box through the air holes, and the oil drops splashed on the oil baffle plate can flow back into the oil storage cavity along the oil baffle plate; meanwhile, the installation positions of the air holes and the driven shaft can be compactly arranged, and the reduction of the size of the gear box is facilitated.

Preferably, only one driven shaft installation position is lower than the driving shaft installation position, the air holes are formed in the lower right side or the lower left side of the driven shaft installation position, one part of the oil baffle is blocked between the driven shaft installation position and the air holes, and the other part of the oil baffle is blocked above the air holes. By adopting the structure, oil drops thrown by 360 degrees along the rotating direction of the driven gear can be prevented from splashing out of or escaping out of the gear box through the air holes, and the oil drops splashed on the oil baffle plate can flow back into the oil storage cavity along the oil baffle plate; meanwhile, the installation positions of the air holes and the driving shaft can be compactly arranged, and the reduction of the size of the gear box is facilitated.

Preferably, the number of the driven shaft installation positions is at least two, and the air holes are formed between every two adjacent driven shaft installation positions, or are formed in the left side of the leftmost driven shaft installation position, or are formed in the right side of the rightmost driven shaft installation position. By adopting the structure, the installation positions of the air holes and the driving shaft can be compactly arranged, and the reduction of the volume of the gear box is facilitated.

Preferably, the oil baffle is L-shaped, C-shaped or U-shaped. By adopting the structure, the oil baffle plate can form semi-surrounding shielding on the air holes, block the air holes from the driving gear or block the air holes from the driven gear, and can also enable oil drops splashed on the oil baffle plate to flow back into the oil storage cavity along the oil baffle plate.

Preferably, the oil baffle and the box body are of an integral structure. By adopting the structure, the gear box including the oil baffle plate can be cast in an integrated manner, and the manufacturing is convenient.

Drawings

Fig. 1 is a schematic structural diagram of the gear box of the present invention.

Fig. 2 is a schematic view of the internal structure of the gear box of the present invention.

As shown in the figure: 1. the oil storage tank comprises a tank body, 2 parts of air holes, 3 parts of oil baffle plates, 4 parts of oil storage cavities, 5 parts of driving shaft installation positions, 6 parts of driven shaft installation positions, 7 parts of reinforcing rib plates.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when a representation such as "… at least one" appears after the list of listed features, the entire listed feature is modified rather than modifying an individual element in the list.

Example 1:

as shown in fig. 1 and 2, the gear box of the utility model comprises a box body 1, an oil storage chamber 4 is arranged in the box body 1, and a plurality of reinforcing rib plates 7 are arranged in the oil storage chamber 4; a driving shaft installation position 5, two driven shaft installation positions 6 and an air vent 2 are arranged above an oil storage cavity 4 on the box body, the driving shaft installation position 5 and the air vent 2 are positioned on one side wall of the box body, the air vent 2 is positioned on the lower right side of the driving shaft installation position 5, the two driven shaft installation positions 6 are positioned on the other side wall of the box body and are higher than the driving shaft installation position 5, the driving shaft installation position 5 is used for installing a driving shaft and a driving gear, the driven shaft installation positions 6 are used for installing a driven shaft and a driven gear, and the air vent 2 is used for communicating the inside and the outside of the box of the gear box; the oil baffle plate 3 is arranged around the air vent 2, the oil baffle plate 3 is in an inverted L shape, the oil baffle plate is arranged above and on the left side of the air vent 2, the air vent 2 is shielded in a semi-surrounding mode, the oil baffle plate is arranged between the driving shaft installation position 5 and the air vent 2 and is used for avoiding the driving shaft installation position 5 and the air vent 2, oil drops thrown along the 360-degree rotation direction of the driving gear are prevented from splashing out of or escaping from the gear box through the air vent, the oil baffle plate 3 is also arranged below the driven shaft installation position 6, the oil baffle plate is arranged above the driven shaft installation position 6, and interference with the driven gear is avoided. The oil baffle plate 3 and the box body are integrally formed casting parts.

In this embodiment, the air holes 2 may be located on the lower left side of the driving shaft installation position 5, and the oil baffle 3 is also reversed left and right from the above structure. The oil baffle 3 may also be C-shaped or U-shaped with the opening facing right.

Example 2:

the gear box of the embodiment is different from the gear box of the embodiment 1 in that a driving shaft installation position 5 is higher than a driven shaft installation position 6, an air vent 2 is located on the upper right side of the driving shaft installation position 5, an oil baffle plate 3 is L-shaped or C-shaped or U-shaped with an opening facing right and is shielded below and on the left side of the air vent 2, and the air vent 2 is shielded in a semi-surrounding manner, so that the oil baffle plate is not only blocked between the driving shaft installation position 5 and the air vent 2, but also is shielded below the air vent 2. In this embodiment, the air holes 2 may also be located at the upper left side of the driving shaft installation position 5, and the oil baffle plate 3 is also reversed left and right from the above structure.

Example 3:

the gear box of this embodiment lies in with embodiment 1's difference, bleeder vent 2 is located the same one side of box with driven shaft installation position 6, driven shaft installation position 6 only has, and driven shaft installation position 6 is higher than driving shaft installation position 5, bleeder vent 2 is located the upper right side of driven shaft installation position 6, oil baffle 3 is L shape or C shape or the U-shaped that the opening is right, both the separation is between driven shaft installation position 6 and bleeder vent 2, keep away the position to driven shaft installation position 6, shelter from the below at bleeder vent 2 again, and keep away the position to driving shaft installation position 5, form half-enclosure to shelter from bleeder vent 2.

Example 4:

the gear box of the embodiment is different from the gear box of the embodiment 3 in that a driven shaft installation position 6 is lower than a driving shaft installation position 5, an air vent 2 is arranged on the lower right side of the driven shaft installation position 6, an oil baffle plate 3 is inverted L-shaped or C-shaped or U-shaped with an opening facing right, the oil baffle plate is separated between the driven shaft installation position 6 and the air vent 2, the oil baffle plate avoids the driven shaft installation position 6 and is also shielded above the air vent 2, the oil baffle plate avoids the driving shaft installation position 5, and the air vent 2 is shielded in a semi-surrounding mode.

Example 5:

the gear box of the embodiment is different from the gear box of the embodiment 3 in that two driven shaft installation positions 6 are provided, the air holes 2 are positioned between the two adjacent driven shaft installation positions 6, and if the air holes 2 are higher than the driving shaft installation position 5, the oil baffle plate 3 is in a U shape with an upward opening; if the air holes 2 are lower than the driving shaft installation position 5, the oil baffle plate 3 is in a U shape with a downward opening.

In this embodiment, the air hole 2 may also be located on the left side of the leftmost driven shaft installation location 6, and the oil baffle 3 is in a U shape with an opening facing to the left; the air holes 2 can also be positioned on the right side of the rightmost driven shaft installation position 6, and the oil baffle plate 3 is in a U shape with an opening facing right.

The above are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims

1. The utility model provides a gear box, the power distribution box comprises a box body, be provided with oil storage chamber (4) in the box, be provided with one driving shaft installation position (5) in the top of oil storage chamber (4) on the box, at least one driven shaft installation position (6) and at least one bleeder vent (2), driving shaft installation position (5) are used for installing driving shaft and driving gear, driven shaft installation position (6) are used for installing driven shaft and driven gear, bleeder vent (2) are used for making the incasement and the incasement intercommunication of gear box, a serial communication port, be provided with around bleeder vent (2) and keep off oil board (3), keep off oil board (3) are used for sheltering from bleeder vent (2).

2. The gearbox according to claim 1, characterized in that the air holes (2) and the driving shaft mounting position (5) are located on the same side of the box body, and the oil baffle plate (3) forms a semi-surrounding shelter for the air holes (2) and avoids the driving shaft mounting position (5) and the driven shaft mounting position (6).

3. The gear box according to claim 2, wherein the driving shaft installation site (5) is lower than the driven shaft installation site (6), the ventilation holes (2) are located at the lower right side or the lower left side of the driving shaft installation site (5), a part of the oil baffle plate (3) is blocked between the driving shaft installation site (5) and the ventilation holes (2), and a part is blocked above the ventilation holes (2).

4. The gearbox according to claim 2, characterized in that the driving shaft mounting location (5) is higher than the driven shaft mounting location (6), the vent holes (2) are located at the upper right side or the upper left side of the driving shaft mounting location (5), a part of the oil baffle plate (3) is blocked between the driving shaft mounting location (5) and the vent holes (2), and a part is blocked below the vent holes (2).

5. The gearbox according to claim 1, characterized in that the air holes (2) and the driven shaft mounting position (6) are located on the same side of the box body, the oil baffle plate (3) forms a semi-surrounding shelter for the air holes (2), and the oil baffle plate (3) avoids the driving shaft mounting position (5) and the driven shaft mounting position (6).

6. The gearbox according to claim 5, characterized in that only one driven shaft mounting location (6) is provided and the driven shaft mounting location (6) is higher than the driving shaft mounting location (5), the ventilation hole (2) is located at the upper right side or the upper left side of the driven shaft mounting location (6), a part of the oil baffle plate (3) is blocked between the driven shaft mounting location (6) and the ventilation hole (2), and a part of the oil baffle plate is blocked below the ventilation hole (2).

7. The gearbox according to claim 5, characterized in that only one driven shaft mounting location (6) is provided and the driven shaft mounting location (6) is lower than the driving shaft mounting location (5), the ventilation hole (2) is provided at the lower right side or the lower left side of the driven shaft mounting location (6), a part of the oil baffle plate (3) is blocked between the driven shaft mounting location (6) and the ventilation hole (2), and a part is blocked above the ventilation hole (2).

8. A gearbox according to claim 5, in which there are at least two driven shaft mounting locations (6) and the ventilation apertures (2) are located between two adjacent driven shaft mounting locations (6), either to the left of the leftmost driven shaft mounting location (6) or to the right of the rightmost driven shaft mounting location (6).

9. Gearbox according to any of claims 1 to 8, characterised in that the oil deflector (3) is L-shaped or C-shaped or U-shaped.

10. A gearbox according to any one of claims 1 to 8, characterised in that the oil deflector (3) is of one-piece construction with the casing.