CN217301545U - Self-circulation lubricating device for drive axle of full hydraulic road roller - Google Patents
Self-circulation lubricating device for drive axle of full hydraulic road roller Download PDFInfo
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- CN217301545U CN217301545U CN202123282604.4U CN202123282604U CN217301545U CN 217301545 U CN217301545 U CN 217301545U CN 202123282604 U CN202123282604 U CN 202123282604U CN 217301545 U CN217301545 U CN 217301545U
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Abstract
The utility model relates to an engineering vehicle transaxle technical field especially relates to a full-hydraulic road roller transaxle self-loopa lubricating arrangement, the utility model discloses a following technical scheme: the utility model provides a full hydraulic road roller transaxle is from circulating lubrication device, includes main reducer, main reducer casing, preceding stage reducing gear box, preceding stage reduction box, crosses oilhole and self-looper, its characterized in that: the self-circulation device consists of an oil collecting cup, a pipe joint and an oil return pipe; an oil outlet hole is formed in the side wall of the position where the oil collecting cup is located, an oil inlet hole is formed in one side, facing the main speed reducer shell, of the bottom of the front-stage speed reducer box body, the number of the pipe joints is two, the first pipe joint is installed on the oil outlet hole, the second pipe joint is installed on the oil inlet hole, and the first pipe joint and the second pipe joint are connected through an oil return pipe; compared with the prior art, the method has the advantages that: the problem that a front-stage reduction gearbox of the drive axle is lack of oil and burnt out under the condition that the road roller works for a long time in a large slope is solved through the self-circulation lubricating device of the drive axle.
Description
The technical field is as follows:
the utility model relates to a full hydraulic pressure road roller transaxle field especially relates to a full hydraulic pressure road roller transaxle self-loopa lubricating arrangement.
Background art:
the drive axle of the full hydraulic road roller has the function of changing the torque and the movement input by the hydraulic motor through multi-stage speed reduction and torque increase and depending on a spiral bevel gear in a main speed reducer to change the movement direction, so as to achieve the output torque and the movement direction required by the road roller.
The drive axle of the full hydraulic road roller is characterized in that the speed ratio is large, generally between 50 and 130, and the requirement of the large speed ratio is structurally realized by adopting three-level speed reduction. On the basis of the spiral bevel gear and wheel edge planetary reduction of a common main reducer, a preceding stage reduction box is added on the main reducer. An oil passing hole is arranged between the front-stage reduction gearbox and the main reducer, so that lubricating oil in the front-stage reduction gearbox is communicated with lubricating oil in the main reducer. The structure is not problematic under the working condition that the road roller is on the flat ground or has a small gradient, and can ensure that lubricating oil is always contained in the front-stage reduction gearbox.
The maximum climbing gradient designed for the road roller is about 30%, and the conversion gradient is about 15 degrees. When the road roller works under the working condition of large gradient, the front reduction gearbox is lifted upwards, and because the front reduction gearbox is far away from the center of the bridge, lubricating oil in the front reduction gearbox flows back to the bridge package through the oil passing hole for a long time, and gears, bearings and the like are burnt out due to lack of the lubricating oil in the front reduction gearbox.
In order to prolong the service life of a drive axle of the full hydraulic road roller and reduce the condition that gears, bearings and the like are burnt due to lack of lubricating oil, further research and improvement are needed.
The invention content is as follows:
one of the purposes of the utility model is to solve at least one technical problem of the background art and a full hydraulic road roller drive axle self-circulation lubricating arrangement who designs.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a full hydraulic road roller transaxle is from circulating lubrication device, includes main reducer, main reducer casing, preceding stage reducing gear box, preceding stage reduction box, crosses the oilhole and from circulating device, crosses the oilhole setting between main reducer casing and preceding stage reduction box, and main reducer casing and preceding stage reduction box are through crossing oilhole intercommunication, its characterized in that: the self-circulation device consists of an oil collecting cup, a pipe joint and an oil return pipe; the oil collecting cup is arranged on a side wall close to the top of the inner side of the main speed reducer shell, the side wall of the position where the oil collecting cup is located is provided with an oil outlet, the bottom of the front-stage speed reducer box body is provided with an oil inlet hole towards one side of the main speed reducer shell, the number of the pipe joints is two, the first pipe joint is arranged on the oil outlet hole, the second pipe joint is arranged on the oil inlet hole, and the first pipe joint and the second pipe joint are connected through an oil return pipe.
Preferably, the self-circulation devices can be arranged into two groups, and the two groups of self-circulation devices are respectively arranged on the left side and the right side of the main speed reducer shell.
Preferably, an inclined switch is arranged at the top of the front-stage reduction box body, a micro oil pump is arranged at the bottom of the main reducer shell, an auxiliary oil return hole is formed in the side wall, close to the bottom, of the main reducer shell, a third pipe joint is installed on the auxiliary oil return hole, and an auxiliary oil return pipe is additionally arranged between the third pipe joint and the second pipe joint; the start and stop of the micro oil pump are controlled by a tilt switch, when the drive axle climbs the slope, the tilt switch is closed, the micro oil pump is started, and lubricating oil in the main speed reducer shell is pumped to the preceding-stage speed reducer box body through an auxiliary oil return pipe; the self-circulation lubrication of the reduction gearbox of the drive axle can be better realized through the action of the micro oil pump. Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the problem that a front-stage reduction gearbox of the drive axle is lack of oil and burnt out under the condition that the road roller works for a long time in a large slope is solved through the self-circulation lubricating device of the drive axle.
Description of the drawings:
FIG. 1 is a schematic structural view of a drive axle self-circulation lubricating device in embodiment 1;
FIG. 2 is a front view of a self-circulation lubricating device of a drive axle of embodiment 1;
FIG. 3 is a double-group layout diagram of a drive axle self-circulation lubricating device in embodiment 1;
FIG. 4 is a schematic view of the tilt switch control of the transaxle self-circulating lubrication apparatus of embodiment 1.
The specific implementation mode is as follows:
in order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1: referring to the attached figures 1-2, the self-circulation lubricating device for the drive axle of the full hydraulic road roller comprises a main speed reducer 1, a main speed reducer shell 2, a preceding speed reducer 3, a preceding speed reducer box body 4, an oil passing hole 5 and a self-circulation device 6, wherein the oil passing hole 5 is arranged between the main speed reducer shell 2 and the preceding speed reducer box body 4, the main speed reducer shell 2 is communicated with the preceding speed reducer box body 4 through the oil passing hole 5, and the self-circulation device 6 consists of an oil collecting cup 61, a pipe joint 62 and an oil return pipe 63; the oil collecting cup 61 is arranged on a side wall close to the top of the inner side of the main speed reducer casing 2, the oil outlet 21 is arranged on the side wall where the oil collecting cup 61 is located, the oil inlet 41 is arranged at the bottom of the front-stage speed reducer casing 4 towards one side of the main speed reducer casing 2, the pipe joints 62 are two groups, the first pipe joint 621 is arranged on the oil outlet 21, the second pipe joint 622 is arranged on the oil inlet 41, and the first pipe joint 621 and the second pipe joint 622 are connected through the oil return pipe 63.
Referring to fig. 3, the self-circulation devices 6 may be preferably provided in two sets, and the two sets of self-circulation devices 6 are respectively provided on the left and right sides of the final drive housing 2.
The utility model discloses a theory of operation: the motion is input into the preceding reduction gearbox 3, the main oil transmitted into the main reduction gear 1 is rotated by a spiral bevel gear and the like to splash lubricating oil in the main reduction gear 1, the splashed lubricating oil is collected by an oil collecting cup 61 after falling, and then flows into the preceding reduction gearbox 3 below through a return pipe 63 by virtue of the height difference. When the lubricating oil in the reduction gearbox 3 at the front stage is higher than the oil passing hole 5, the lubricating oil flows back into the main speed reducer 1 through the oil passing hole 5, and the self-circulation of the lubricating oil of the drive axle is realized.
Example 2: on the basis of the structure of the embodiment 1, referring to fig. 4, the top of the front reduction box 4 is provided with the tilt switch 30, the bottom of the main reduction case 2 is provided with the micro oil pump 40, the side wall of the main reduction case 2 close to the bottom is provided with the auxiliary oil return hole 22, the auxiliary oil return hole 22 is provided with the third pipe joint 623, and the auxiliary oil return pipe 64 is additionally arranged between the third pipe joint 623 and the second pipe joint 622; the start and stop of the micro oil pump 40 are controlled by the tilt switch 30, when the drive axle climbs the slope, the tilt switch 30 is closed, the micro oil pump 40 is started, and the lubricating oil in the main speed reducer shell 2 is pumped to the front-stage speed reducer box 3 through the auxiliary oil return pipe 64; through the action of the micro oil pump 40, the self-circulation lubrication of the reduction gearbox of the drive axle can be better realized.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the problem that a front-stage reduction gearbox of the drive axle is lack of oil and burnt out under the condition that the road roller works for a long time in a large slope is solved through the self-circulation lubricating device of the drive axle.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (3)
1. The utility model provides a full hydraulic road roller transaxle is from circulating lubrication device, includes main reducer, main reducer casing, preceding stage reducing gear box, preceding stage reduction box, crosses the oilhole and from circulating device, crosses the oilhole setting between main reducer casing and preceding stage reduction box, and main reducer casing and preceding stage reduction box are through crossing oilhole intercommunication, its characterized in that: the self-circulation device consists of an oil collecting cup, a pipe joint and an oil return pipe; the oil collecting cup is arranged on a side wall close to the top of the inner side of the main speed reducer shell, the side wall of the position where the oil collecting cup is located is provided with an oil outlet, the bottom of the front-stage speed reducer box body is provided with an oil inlet hole towards one side of the main speed reducer shell, the number of the pipe joints is two, the first pipe joint is arranged on the oil outlet hole, the second pipe joint is arranged on the oil inlet hole, and the first pipe joint and the second pipe joint are connected through an oil return pipe.
2. The self-circulation lubricating device for the drive axle of the full hydraulic road roller as claimed in claim 1, characterized in that: the two groups of self-circulation devices are respectively arranged on the left side and the right side of the main speed reducer shell.
3. The self-circulation lubricating device for the drive axle of the full hydraulic road roller as claimed in any one of claims 1-2, wherein: the top of the preceding stage reduction box body is provided with an inclined switch, the bottom of the main reducer shell is provided with a micro oil pump, and the start and stop of the micro oil pump are controlled by the inclined switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123282604.4U CN217301545U (en) | 2021-12-24 | 2021-12-24 | Self-circulation lubricating device for drive axle of full hydraulic road roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123282604.4U CN217301545U (en) | 2021-12-24 | 2021-12-24 | Self-circulation lubricating device for drive axle of full hydraulic road roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217301545U true CN217301545U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123282604.4U Active CN217301545U (en) | 2021-12-24 | 2021-12-24 | Self-circulation lubricating device for drive axle of full hydraulic road roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217301545U (en) |
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2021
- 2021-12-24 CN CN202123282604.4U patent/CN217301545U/en active Active
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