CN203477277U - External type forced lubrication device for power takeoff shaft - Google Patents

External type forced lubrication device for power takeoff shaft Download PDF

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Publication number
CN203477277U
CN203477277U CN201320433662.9U CN201320433662U CN203477277U CN 203477277 U CN203477277 U CN 203477277U CN 201320433662 U CN201320433662 U CN 201320433662U CN 203477277 U CN203477277 U CN 203477277U
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CN
China
Prior art keywords
oil
power takeoff
takeoff shaft
gearbox
communicated
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CN201320433662.9U
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Chinese (zh)
Inventor
张震
陈素姣
明君剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Liugong Machinery Co Ltd
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Guangxi Liugong Machinery Co Ltd
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
Application filed by Guangxi Liugong Machinery Co Ltd filed Critical Guangxi Liugong Machinery Co Ltd
Priority to CN201320433662.9U priority Critical patent/CN203477277U/en
Application granted granted Critical
Publication of CN203477277U publication Critical patent/CN203477277U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides an external type forced lubrication device for a power takeoff shaft. The external type forced lubrication device for the power takeoff shaft is characterized in that a lubrication pipeline communicated with an oil return cavity of a gearbox is connected outside a torque converter shell, an oil duct is formed in the torque converter shell, an oil outlet of the oil duct is communicated to a power takeoff spline, an oil inlet of the oil duct is communicated with the lubrication pipeline, the lubrication pipeline is connected to an oil distributing cover through a connector and is communicated with the oil return cavity of the gearbox from the oil distributing cover, and the lubrication pipeline is a steel pipe or a flexible pipe. The external type forced lubrication device for the power takeoff shaft has the advantages that the lubricating oil is taken from an oil return port of the gearbox, so as to be beneficial for reducing the temperature of the power takeoff shaft. The oil liquid cooled through the lubrication pipeline is led to the power takeoff shaft, and flows to the spline along the power takeoff shaft, so as to complete forced lubrication of the power takeoff shaft. A forced lubrication method for the power takeoff shaft adopts an external type forced lubrication method according to the structure of the gearbox; in addition, due to the lubrication method, the degree of wear of the spline of the power takeoff shaft is reduced, the service life of a hydraulic pump connected with the power takeoff shaft is prolonged, the efficient operation of the hydraulic pump is guaranteed, and the reliability of the gearbox is improved.

Description

Auxiliary drive shaft external forced lubrication device
Technical field
The utility model relates to field of engineering technology, the auxiliary drive shaft external the forced lubrication device particularly auxiliary drive shaft of the gearbox of the engineering machinery such as wheel loader being lubricated.
Background technique
Auxiliary drive shaft, as component in gearbox, plays transmission of power effect.Auxiliary drive shaft one end is connected with torque-converters by gear, as power, inputs; The other end is connected with variable speed pump, oil hydraulic pump with the form of spline, and power is passed to pump, drives pump work.The wearing and tearing of auxiliary drive shaft spline even damage, and affect the normal operation of oil hydraulic pump, and remote-effects are to the normal operation of gearbox.Auxiliary drive shaft, the in the situation that of unlubricated or lack of lubrication, can aggravate the spline degree of wear, reduces the working life of auxiliary drive shaft.Auxiliary drive shaft increases lubricated, not only can reduce spline wearing and tearing, and can take away part due to fricative heat by fluid, reduce auxiliary drive shaft spline place temperature, guarantee the working efficiency of oil hydraulic pump, energy saving, extend auxiliary drive shaft working life, improve gearbox reliability.
Model utility content
The purpose of this utility model is just to provide a kind of degree of wear and reduction spline surface of contact temperature that reduces gearbox auxiliary drive shaft spline, simple in structure, the significant auxiliary drive shaft external of effect forced lubrication device.
Solution of the present utility model is such: the utility model is that described torque-converters housing has oil duct at the external lubricating pipe being communicated with gearbox oil back chamber that is connected with of torque converter casing, and the oil outlet of described oil duct is communicated to power take-off spline place; The filler opening of described oil duct is communicated with lubricating pipe.
Technological scheme also comprises more specifically: described lubricating pipe is to be connected on oil distributing cover by joint, from oil distributing cover, is communicated with gearbox oil back chamber.
Further: described lubricating pipe is steel pipe or flexible pipe.
The utility model has the advantages that from gearbox return opening and get lubricant oil, now oil liquid temperature declines through radiator, is conducive to reduce auxiliary drive shaft temperature.Through lubricating pipe, cooled fluid is guided to auxiliary drive shaft, fluid flows to spline place along auxiliary drive shaft, completes the pressure lubrication of auxiliary drive shaft.Auxiliary drive shaft pressure lubrication method of the present invention, the external pressure lubrication method adopting according to gearbox designs; And this lubricating method has reduced the auxiliary drive shaft spline degree of wear, improved the working life of the oil hydraulic pump that is connected with auxiliary drive shaft, guarantee oil hydraulic pump high-efficiency operation, improve the reliability of gearbox.
Accompanying drawing explanation
Accompanying drawing is embodiment of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model power taking point.
Fig. 3 be the utility model the first power taking axle is lubricated structural representation.
Fig. 4 be the utility model the second power taking axle is lubricated structural representation.
Embodiment
The present embodiment as shown in Figure 1, is that the first auxiliary drive shaft 9-1 and two auxiliary drive shaft splines of the second auxiliary drive shaft 9-2 are lubricated, and lubricating point is 3 in Fig. 1; At torque-converters housing 8, be externally connected with the lubricating pipe being communicated with gearbox oil back chamber, for the present embodiment, the first auxiliary drive shaft spline 11-1 is lubricated with the second auxiliary drive shaft spline 11-2 and is lubricated simultaneously, described torque-converters housing 8 has the first oil duct 15 and the second oil duct 16, the oil outlet of described the first oil duct 15 is communicated to the first auxiliary drive shaft spline 11-1 place, and the oil outlet of described the second oil duct 16 is communicated to the second auxiliary drive shaft spline 11-2 place; The filler opening of described the first oil duct 15 and the second oil duct 16 is communicated with lubricating pipe 2 by tee union 10, joint 13 respectively, as shown in Figure 3,4.
As shown in Figure 1, get oil drop 1 and be arranged on oil distributing cover 5, described lubricating pipe 2 is to be connected on oil distributing cover 5 by getting oily joint 4, is communicated with gearbox oil back chambers, as shown in Figure 2 from gearbox return opening 6 places of the gearbox 7 of oil distributing cover 5.
Described lubricating pipe 2 adopts flexible pipes, as sebific duct etc.
Lubricant oil flows to as shown in the arrow in figure.
In figure, 12 is variable speed pumps, the 14th, and flange.

Claims (3)

1. an auxiliary drive shaft external forced lubrication device, is characterized in that: at the external lubricating pipe being communicated with gearbox oil back chamber that is connected with of torque converter casing, described torque-converters housing has oil duct, and the oil outlet of described oil duct is communicated to power take-off spline place; The filler opening of described oil duct is communicated with lubricating pipe.
2. auxiliary drive shaft external forced lubrication device according to claim 1, is characterized in that: described lubricating pipe is to be connected on oil distributing cover by joint, from oil distributing cover, is communicated with gearbox oil back chamber.
3. auxiliary drive shaft external forced lubrication device according to claim 1, is characterized in that: described lubricating pipe is steel pipe or flexible pipe.
CN201320433662.9U 2013-07-22 2013-07-22 External type forced lubrication device for power takeoff shaft Expired - Lifetime CN203477277U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320433662.9U CN203477277U (en) 2013-07-22 2013-07-22 External type forced lubrication device for power takeoff shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320433662.9U CN203477277U (en) 2013-07-22 2013-07-22 External type forced lubrication device for power takeoff shaft

Publications (1)

Publication Number Publication Date
CN203477277U true CN203477277U (en) 2014-03-12

Family

ID=50225610

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320433662.9U Expired - Lifetime CN203477277U (en) 2013-07-22 2013-07-22 External type forced lubrication device for power takeoff shaft

Country Status (1)

Country Link
CN (1) CN203477277U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105351505A (en) * 2015-11-19 2016-02-24 陕西法士特汽车传动集团有限责任公司 Transmission lubricating system with through shaft power takeoff
CN111998066A (en) * 2020-09-02 2020-11-27 湖南三一中型起重机械有限公司 Early warning method and device applied to power take-off system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105351505A (en) * 2015-11-19 2016-02-24 陕西法士特汽车传动集团有限责任公司 Transmission lubricating system with through shaft power takeoff
CN111998066A (en) * 2020-09-02 2020-11-27 湖南三一中型起重机械有限公司 Early warning method and device applied to power take-off system
CN111998066B (en) * 2020-09-02 2021-10-29 湖南三一中型起重机械有限公司 Early warning method and device applied to power take-off system

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Granted publication date: 20140312