A kind of axle main reducer assembly driving lubricating device

Abstract

The utility model relates to a kind of axle main reducer assembly driving lubricating device, including main reducer assembly, main reducer assembly is set on axle housing, oil tank is equipped on axle housing, main reducer assembly includes main reducer shell and interaxle differential, interaxle differential is set in main reducer shell, oil pump is equipped on main reducer assembly, oil pump is connected with main reducer assembly, multiple lubricating oil pipes are equipped on oil pump, lubricating oil pipe includes oil extraction pipe and oil injection pipe, oil extraction pipe is set below main reducer shell, oil extraction pipe is connected with lubricating oil in axle housing, lubricating oil in lower axle housing is extracted, oil injection pipe is through with main reducer shell, oil pump is driven by main reducer assembly, lubricating oil is respectively sprayed in the bearing place of interaxle differential and oil is sprayed on entire interaxle differential by oil injection pipe, reach the purpose of driving lubrication.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lubricating device, in particular to a driving lubricating device of axle main speed reducer assembly. BACKGROUND

[0002] At present, the existing mine axle main speed reducer assembly mostly adopts passive lubricating structure, and the lubricating oil is thrown by gear transmission agitation to realize the lubrication of gear meshing part and bearing, and the main problem of the lubricating structure is that when the rotation speed of the main speed reducer assembly is too low, the range of lubricating oil agitation by the gear is limited, and the lubricating failure problem caused by the insufficient lubricating oil is easily caused.

[0003] And the running speed of the mine vehicle is low, the working condition is also relatively bad, the differential is used more, and the inter-axle differential mainly relies on gear transmission agitation to realize lubrication, the mine vehicle is operated for a long time at low speed, and the bearing failure caused by the insufficient lubricating oil of the inter-axle differential, the abnormal wear and ablation of the planetary gear, the half shaft gear and the cross axle are easily caused. SUMMARY

[0004] The technical problem to be solved by the utility model is that the driving lubricating device of the axle main speed reducer assembly solves the lubricating failure problem caused by low-speed operation.

[0005] The technical scheme for solving the above technical problem is that the driving lubricating device of the axle main speed reducer assembly comprises a main speed reducer assembly, the main speed reducer assembly is arranged on a bridge shell, the bridge shell is provided with lubricating oil, the main speed reducer assembly comprises a main speed reducer shell and an inter-axle differential, the inter-axle differential is arranged in the main speed reducer shell, an oil pump is arranged on the main speed reducer assembly, the oil pump is connected with the main speed reducer assembly, a plurality of lubricating oil pipes are arranged on the oil pump, the lubricating oil pipes comprise an oil suction pipe and an oil injection pipe, the oil suction pipe is connected with the lubricating oil in the bridge shell and the lubricating oil in the bridge shell is sucked, the oil injection pipe penetrates through the main speed reducer shell, the oil pump is driven by the main speed reducer assembly, and the lubricating oil is sprayed on the two bearings of the inter-axle differential and the entire inter-axle differential through the oil injection pipe. A filter is arranged on the oil suction pipe.

[0006] The further technical scheme of the utility model is that the oil pump is installed on the main speed reducer shell through a bridge box cover, the oil pump is connected with the main speed reducer assembly through a driving bevel gear, and the oil pump is driven to rotate through the power chain of the main speed reducer assembly.

[0007] The main reducer assembly comprises an input shaft, a driving cylindrical gear, a driven cylindrical gear and a driving bevel gear, the driving cylindrical gear is arranged on the input shaft and connected with the input shaft, the driven cylindrical gear is fixed on the driving bevel gear, the driving bevel gear is arranged on the reducer shell through a bearing, the driven cylindrical gear is in transmission with the driving cylindrical gear, thereby driving the driving bevel gear to rotate, the pin shaft of the oil pump is connected with the driving bevel gear, and the oil pump is driven by the driving bevel gear.

[0008] The oil injection pipe comprises a first oil pipe and a second oil pipe, the oil outlet of the oil pump is connected with the first oil pipe and the second oil pipe through a three-way joint, lubricating oil is sprayed on the input shaft bearing of the inter-axle differential through the first oil pipe, and lubricating oil is sprayed on the rear axle bearing of the inter-axle differential through the second oil pipe.

[0009] The second oil pipe sprays lubricating oil on the rear axle bearing, and the lubricating oil flows through the rear axle bearing, the rear axle gear, the inter-axle planetary gear, the inter-axle cross shaft and the inter-axle differential shell; the first oil pipe sprays lubricating oil on the input shaft bearing, the plane thrust bearing, the driving cylindrical gear and the sliding mesh sleeve. The lubricating oil is sprayed on the entire inter-axle differential through the oil pump, thereby achieving the purpose of active lubrication.

[0010] Due to the adoption of the above technical scheme, the active lubricating device of the axle main reducer assembly has the following beneficial effects:

[0011] 1. The oil pump is arranged on the main reduction assembly, the oil pump is driven to rotate by the driving bevel gear, power is provided, a plurality of lubricating oil pipes are arranged on the oil pump, lubricating oil is extracted, and the lubricating oil is sprayed on the two bearings of the inter-axle differential through the oil pump and the oil pipes, thereby achieving the purpose of active lubrication. The inter-axle differential failure caused by insufficient lubrication is reduced, and the overall performance and reliability of the drive axle are improved.

[0012] 2. When the main reduction assembly rotates, the oil pump is driven to rotate, power is provided, and the inter-axle differential is lubricated by oil extraction and spraying. Even if the mining vehicle has a low speed, the device can also achieve active lubrication when the vehicle is running. The lubrication effect of the inter-axle differential assembly of the axle main reducer assembly of the mining vehicle is improved, and the lubrication failure problem caused by low-speed running is solved.

[0013] In the following, the technical features of the active lubricating device of the axle main reducer assembly are further described in combination with the drawings and specific embodiments in the specification. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 : A structural schematic view of an active lubricating device of an axle main reducer assembly.

[0015] In the above drawings, the following numbers are explained as follows:

[0016] 1 - input shaft, 2 - driving spur gear, 3 - three-way joint, 4 - oil pump, 5 - pin shaft, 6 - axle housing cover, 7 - driving bevel gear, 8 - driven spur gear, 9 - oil suction pipe, 10 - screw plug, 11 - reducer housing, 12 - oil filter, 13 - first oil pipe, 14 - input shaft bearing, 15 - sliding engagement sleeve, 16 - flat face thrust bearing, 17 - second oil pipe, 18 - inter-axle planetary gear, 19 - inter-axle cross shaft, 20 - inter-axle differential housing, 21 - half shaft bearing, 22 - rear half shaft gear. DETAILED DESCRIPTION

[0017] The application discloses a driving lubricating device of axle main reducer assembly. The driving lubricating device of axle main reducer assembly comprises a main reducer assembly, an oil pump and a plurality of lubricating oil pipes. The main reducer assembly is arranged on an axle housing, and the axle housing is filled with lubricating oil. The main reducer assembly comprises a main reducer housing and an inter-axle differential. The oil pump is connected with the main reducer assembly. The oil pump is provided with a plurality of lubricating oil pipes. The lubricating oil pipes comprise oil suction pipes and oil injection pipes. The oil suction pipes are arranged below the main reducer housing and are connected with the lubricating oil in the axle housing to suck the lubricating oil in the axle housing. The oil injection pipes are arranged through the main reducer housing. The main reducer housing is provided with oil pipe joints. The oil injection pipes are connected with the oil pipe joints. The oil pump is driven to rotate by the main reducer assembly. The lubricating oil is sprayed on two bearings of the inter-axle differential and the whole inter-axle differential through the oil injection pipes. The oil pumped out from the oil pump has pressure and can be sprayed to lubricate. The oil pump 4 is arranged on the main reducer housing through the axle housing cover 6. The oil pump 4 is connected with driving gears of the main reducer assembly. The oil pump 4 is driven to rotate by the power chain of the main reducer assembly without additional power. The oil suction pipes are provided with an oil filter 12.

[0018] The main reducer assembly comprises an input shaft 1, a driving spur gear 2, a driven spur gear 8 and a driving bevel gear 7. The driving spur gear 2 is arranged on the input shaft 1 and is connected with the input shaft 1. The driven spur gear 8 is fixed on the driving bevel gear 7. The driving bevel gear 7 is arranged on the reducer housing through a bearing. The driven spur gear 8 is engaged with the driving spur gear 2 to drive the driving bevel gear 7 to rotate. The pin shaft 5 of the oil pump 4 is connected with the driving bevel gear 7 to drive the oil pump.

[0019] The oil injection pipe comprises a first oil pipe 13 and a second oil pipe 17, the oil pump 4 is connected with the first oil pipe 13 and the second oil pipe 17 through the three-way joint 3, the lubricating oil is sprayed on the input shaft bearing 14 of the interaxle differential through the first oil pipe 13, and the lubricating oil is sprayed on the rear axle bearing 21 of the interaxle differential through the second oil pipe 17. The second oil pipe 17 sprays the lubricating oil on the rear axle bearing, and the lubricating oil flows through the rear axle bearing 21, the rear axle gear 22, the interaxle planetary gear 18, the interaxle cross shaft 19 and the interaxle differential housing 20. The first oil pipe 13 sprays the lubricating oil on the input shaft bearing 14, the plane thrust bearing 16, the driving cylindrical gear 2 and the sliding engagement sleeve 15. The lubricating oil is extracted by the oil pump to spray on the entire interaxle differential, so that the purpose of active lubrication is achieved.

[0020] Specifically, an active lubricating device of an axle main reducer assembly is provided with an oil pump on the main reducer assembly, and the oil pump is used for active oil supply and lubrication. The main reducer assembly is provided with an input shaft 1, a driving cylindrical gear 2, a driving bevel gear 7, a driven cylindrical gear 8, a reducer housing 11, an input shaft bearing 14, a sliding engagement sleeve 15, a plane thrust bearing 16, an interaxle planetary gear 18, an interaxle cross shaft 19, an interaxle differential housing 20, a half shaft bearing 21 and a rear axle gear 22. The input shaft 1 is connected with the driving cylindrical gear 2, the driving cylindrical gear 2 is engaged with the driven cylindrical gear 8 for transmission, the driven cylindrical gear 8 is fixed on the driving bevel gear 7, so as to drive the driving bevel gear 7 to rotate. The oil pump 4 is installed on the axle housing cover 6, and the axle housing cover is connected with the reducer housing through bolts. The pin shaft 5 of the oil pump 4 is connected with the driving bevel gear 7, so as to drive the oil pump 4 to rotate through the power chain, and provide rotating power without additional power.

[0021] When the oil pump 4 rotates, the lubricating oil can be extracted through the oil extraction pipe 9, one end of the oil extraction pipe 9 is connected with the oil pump 4, and the other end is installed below the reducer housing 11 through the screw plug 10. The screw plug 10 is also provided with an oil filter 12, which is used for filtering the lubricating oil to prevent impurities from entering the oil pump 4 and damaging the oil pump 4. The three-way joint 3 is installed at the oil outlet of the oil pump 4, and the lubricating oil is sprayed on two bearings of the interaxle differential through the first oil pipe 13 and the second oil pipe 17. The first oil pipe 13 sprays the lubricating oil on the input shaft bearing 14, the plane thrust bearing 16, the driving cylindrical gear 2 and the sliding engagement sleeve 15; the second oil pipe 17 sprays the lubricating oil on the rear axle bearing, and the lubricating oil flows through the rear axle bearing 21, the rear axle gear 22, the interaxle planetary gear 18, the interaxle cross shaft 19 and the interaxle differential housing 20. The lubricating oil is extracted by the oil pump to spray on the entire interaxle differential, so that the purpose of active lubrication is achieved.

Claims

1. An active lubrication device for a vehicle axle main reducer assembly, comprising a main reducer assembly, the main reducer assembly being arranged on an axle housing, the axle housing containing lubricating oil, the main reducer assembly comprising a main reducer housing and an interaxle differential, the interaxle differential being arranged in the main reducer housing, characterized in that: The oil pump is arranged on the main reducer assembly, the oil pump is connected with the main reducer assembly, a plurality of lubricating oil pipes are arranged on the oil pump, the lubricating oil pipes comprise oil suction pipes and oil injection pipes, the oil suction pipes are connected with lubricating oil in the axle housing, the oil injection pipes are communicated with the main reducer housing, and the oil pump is driven by the main reducer assembly.

2. A master lubrication device for a vehicle axle main reducer assembly according to claim 1, characterized in that: The oil pump is arranged on the main reducer housing through the axle housing cover, and the oil pump is connected with the main reducer assembly through the driving bevel gear.

3. A master drive lubrication device for a vehicle axle main reducer assembly according to claim 1, characterized in that: The main reducer assembly comprises an input shaft, a driving cylindrical gear, a driven cylindrical gear and a driving bevel gear, the driving cylindrical gear is arranged on the input shaft and connected with the input shaft, the driven cylindrical gear is fixed on the driving bevel gear, the driving bevel gear is arranged on the reducer housing through a bearing, and the driven cylindrical gear is in transmission connection with the driving cylindrical gear.

4. A master lubrication device for a vehicle axle main reducer assembly as set forth in claim 1 wherein: The oil injection pipes comprise first oil pipes and second oil pipes, the oil outlet of the oil pump is connected with the first oil pipes and the second oil pipes through a three-way joint, lubricating oil is sprayed on the input shaft bearing of the interaxle differential through the first oil pipes, and lubricating oil is sprayed on the rear axle shaft bearing of the interaxle differential through the second oil pipes.

5. A master drive lubrication device for a vehicle axle main reducer assembly as defined in claim 1, wherein: The oil suction pipes are provided with oil filters.

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