CN103807011B - Use for diesel engine opposed type biliquid press pump power takeoff - Google Patents
Use for diesel engine opposed type biliquid press pump power takeoff Download PDFInfo
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- CN103807011B CN103807011B CN201210439736.XA CN201210439736A CN103807011B CN 103807011 B CN103807011 B CN 103807011B CN 201210439736 A CN201210439736 A CN 201210439736A CN 103807011 B CN103807011 B CN 103807011B
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- oil
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Abstract
The invention discloses a kind of use for diesel engine opposed type biliquid press pump power takeoff, comprising: hydraulic pump gear axle, it is fixed on diesel engine gear chamber.Hydraulic pump drive gear, it is provided with internal spline; It is sleeved on hydraulic pump gear axle after press-fiting sliding bearing; Spline housing, it is provided with internal spline and external splines; The external splines of spline housing is meshed with the internal spline of hydraulic pump drive gear.Oil hydraulic pump, by the opposed two ends being connected to spline housing of oil hydraulic pump mounting hole on the oil hydraulic pump mounting hole of hydraulic pump gear axle one end and gear chamber cover, is meshed with the internal spline of spline housing.The present invention can realize two groups of oil hydraulic pumps and synchronously drive, and structure is simple, easy for installation, saves diesel engine gear chamber space; In using, if one group of oil hydraulic pump goes wrong or damages, can change separately, reduce maintenance cost.
Description
Technical field
The present invention relates to a kind of oil hydraulic pump power takeoff, particularly a kind of use for diesel engine opposed type biliquid press pump power takeoff.
Background technique
Be that the machinery of active force is generally provided with auxiliary hydraulic device with diesel engine, some diesel engine needs the oil hydraulic pump arranging two groups or more, for the auxiliary hydraulic device of this machinery provides hydraulic oil.Wheeled tractor as big-and-middle-sized in some requires that two groups of oil hydraulic pumps arranged by diesel engine, and one group is used for tractor fluid power assist steering system, one group of hydraulic lift hitch for tractor.
Conventional diesel engine, when layout two groups of oil hydraulic pumps, generally has two schemes: one arranges a power takeoff, installs duplex pump; One arranges two independently power takeoffs, each installation one group of oil hydraulic pump.The shortcoming of these two kinds of structures is respectively: 1, duplex pump complex structure, poor reliability, and manufacture cost is high, and need integral replacing after one group of oil hydraulic pump damages, maintenance cost is high; 2, adopt that two groups of oil hydraulic pumps are independently arranged, drive time, two groups of oil hydraulic pumps need design power takeoff separately, and the design of diesel engine train of gearings is complicated, and requires that diesel engine gear chamber and diesel oil cabin have enough spaces.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, by the opposed type structure of one group of gear and spline housing structure, realizes a power takeoff and synchronously drives two groups of oil hydraulic pumps.Structure of the present invention is simple, easy for installation, saves diesel engine gear chamber and diesel oil cabin space; In using, if one group of oil hydraulic pump goes wrong or damages, can change separately, reduce maintenance cost.
For achieving the above object, the invention provides a kind of use for diesel engine opposed type biliquid press pump power takeoff, it is arranged in diesel engine gear chamber, comprising: hydraulic pump gear axle, its sealing is fixed on diesel engine gear chamber, and outer end is provided with the first oil hydraulic pump mounting hole.Hydraulic pump drive gear, it is provided with internal spline; Hydraulic pump drive gear is sleeved on hydraulic pump gear axle after press-fiting sliding bearing.Spline housing, it is provided with internal spline and external splines, and the external splines of spline housing is meshed with the internal spline of hydraulic pump drive gear, and spline housing and hydraulic pump drive gear are formed and link.Gear chamber cover is provided with the second oil hydraulic pump mounting hole, and the second oil hydraulic pump mounting hole is coaxially opposed with the first oil hydraulic pump mounting hole.First, second oil hydraulic pump is by the opposed two ends being connected to spline housing of first, second oil hydraulic pump mounting hole, and the pump shaft of two oil hydraulic pumps is meshed with the internal spline of spline housing respectively.
In technique scheme, hydraulic pump gear axle and diesel engine gear chamber are provided with oil groove; Diesel engine gear chamber is provided with lubricant pipe; Lubricant pipe is connected with diesel engine oil-way, and lubricant oil is caused the kinematic pair between sliding bearing and hydraulic pump gear axle by the lubricating oil path consisted of lubricant pipe, gear chamber oil groove and hydraulic pump gear spindle oil groove.
In technique scheme, be provided with cushion block and baffle plate in diesel engine gear chamber, and cushion block and baffle plate and hydraulic pump gear axle are coaxially fitted on diesel engine gear chamber, baffle plate and hydraulic pump gear axle are to hydraulic pump drive gear axial limiting.
In technique scheme, the external splines two ends of spline housing are provided with axial limiting parts; Hydraulic pump drive gear passes through the axial limiting parts at the external splines two ends of spline housing to spline housing axial limiting.Further, the axial limiting parts at the external splines two ends of spline housing, one end limit position part is spacing dome, and the other end limit position part is back-up ring.
In technique scheme, the first oil hydraulic pump and/or the second oil hydraulic pump are duplex pump.
In technique scheme, O type circle between hydraulic pump gear axle and diesel engine gear chamber, is adopted to seal.
In technique scheme, gear chamber cover is fixed on diesel engine gear chamber, adopts gear chamber cover gasket seal between the two, and adopts pin to locate.
Compared with prior art, the present invention has following beneficial effect:
1. pass through the opposed type structure of one group of gear and spline housing structure, realize two groups of oil hydraulic pumps and synchronously drive, if opposed installation duplex pump, also can realize oil hydraulic pump more than two and synchronously drive.
2. a liang group oil hydraulic pump need not be arranged separately, and structure is simple, easy for installation, saves diesel engine gear chamber space; In using, if one group of oil hydraulic pump goes wrong or damages, can change separately, reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is use for diesel engine opposed type biliquid press pump power takeoff decomposing schematic representation of the present invention;
Fig. 2 is use for diesel engine opposed type biliquid press pump power takeoff structure sectional view of the present invention;
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-spline housing, 2-hydraulic pump gear axle, 3-O type circle, 4-blocks, 5-diesel engine gear chamber, 6-sliding bearing, 7-hydraulic pump drive gear, 8-back-up ring, 9-cushion block, 10-baffle plate, 11-seal washer, 12-lubricant pipe, 13-hinge bolt, 14-gear chamber cover pad, 15-gear chamber cover, 16-bolt.
Embodiment
Below in conjunction with accompanying drawing 1 and Fig. 2, the embodiment of use for diesel engine opposed type biliquid press pump power takeoff of the present invention is described in detail:
Spline housing 1 is provided with internal spline and external splines, and its external splines is meshed with the internal spline of hydraulic pump drive gear 7; Hydraulic pump drive gear 7 is sleeved on after press-fiting sliding bearing 6 on hydraulic pump gear axle 2; Hydraulic pump gear axle 2, is bolted on diesel engine gear chamber 5, adopts O type circle 3 to seal between the two.
External splines one end of spline housing 1 is provided with axial limiting dome, and one end is provided with back-up ring 8 mounting groove in addition; The axial limiting of hydraulic pump drive gear 7 pairs of spline housings is realized by the axial limiting dome of spline housing 1 and back-up ring 8.Cushion block 9 and baffle plate 10 are coaxially fitted on diesel engine gear chamber 5 by bolt 16 and hydraulic pump gear axle 2, realize the axial limiting to hydraulic pump drive gear 7 by baffle plate 10 and hydraulic pump gear axle 2.Gear chamber cover 15 is bolted on diesel engine gear chamber 5, adopts gear chamber cover pad 14 to seal between the two, and adopts locating stud to locate.
Hydraulic pump gear axle 2 and diesel engine gear chamber 5 are provided with oil groove, and hydraulic pump gear axle 2 oil groove processing technology hole is sealed by blocking 4.Lubricant pipe 12 is arranged on diesel engine gear chamber 5 by hinge bolt 13 and seal washer 11, and is connected with the oil circuit of diesel engine.Lubricant oil caused the kinematic pair between sliding bearing 6 and hydraulic pump gear axle 2 by the lubricating oil path on lubricant pipe 12, diesel engine gear chamber 5 and hydraulic pump gear axle 2.
Hydraulic pump gear axle 2 and gear chamber cover 15 are provided with oil hydraulic pump mounting hole and positioning hole, and two oil hydraulic pump mounting holes are coaxially opposed.Two groups of oil hydraulic pumps are by oil hydraulic pump mounting hole, and the opposed two ends being connected to spline housing 1, realize the synchronous driving to two groups of oil hydraulic pumps by the internal spline of spline housing 1.
In working procedure, driving gear drives hydraulic pump drive gear 7 in diesel engine gear chamber 5 rotates, hydraulic pump drive gear 7 drives spline housing 1 synchronous rotary by spline joint, and spline housing 1 drives two groups of oil hydraulic pump synchronous rotaries of opposed installation by spline joint.
In the present embodiment, if needed, two oil hydraulic pump mounting holes all can install duplex pump, realize the synchronous driving of oil hydraulic pump more than two.
Be only a specific embodiment of the present invention above, but be to be understood that protection scope of the present invention not by the restriction of embodiment.The present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (8)
1. a use for diesel engine opposed type biliquid press pump power takeoff, it is arranged in diesel engine gear chamber; It is characterized in that, comprising:
Hydraulic pump gear axle, its sealing is fixed on described diesel engine gear chamber, and outer end is provided with the first oil hydraulic pump mounting hole;
Hydraulic pump drive gear, it is provided with internal spline; Described hydraulic pump drive gear is sleeved on described hydraulic pump gear axle after press-fiting sliding bearing;
Spline housing, it is provided with internal spline and external splines, and the external splines of described spline housing is meshed with the internal spline of described hydraulic pump drive gear, and spline housing and described hydraulic pump drive gear are formed and link;
Gear chamber cover is provided with the second oil hydraulic pump mounting hole, and described second oil hydraulic pump mounting hole is coaxially opposed with described first oil hydraulic pump mounting hole;
First, second oil hydraulic pump is by the described opposed two ends being connected to described spline housing of first, second oil hydraulic pump mounting hole, and the pump shaft of two oil hydraulic pumps is meshed with the internal spline of described spline housing respectively.
2. a kind of use for diesel engine opposed type biliquid press pump power takeoff according to claim 1, it is characterized in that, described hydraulic pump gear axle and described diesel engine gear chamber are provided with oil groove; Described diesel engine gear chamber is provided with lubricant pipe; Lubricant pipe is connected with diesel engine oil-way, and lubricant oil is caused the kinematic pair between described sliding bearing and described hydraulic pump gear axle by the lubricating oil path consisted of described lubricant pipe, gear chamber oil groove and hydraulic pump gear spindle oil groove.
3. a kind of use for diesel engine opposed type biliquid press pump power takeoff according to claim 1, it is characterized in that, be provided with cushion block and baffle plate in described diesel engine gear chamber, and cushion block and baffle plate and described hydraulic pump gear axle are coaxially fitted on described diesel engine gear chamber; Described baffle plate and described hydraulic pump gear axle are to described hydraulic pump drive gear axial limiting.
4. a kind of use for diesel engine opposed type biliquid press pump power takeoff according to claim 1, it is characterized in that, the external splines two ends of described spline housing are provided with axial limiting parts; Described hydraulic pump drive gear passes through the axial limiting parts at the external splines two ends of described spline housing to described spline housing axial limiting.
5. a kind of use for diesel engine opposed type biliquid press pump power takeoff according to claim 1, it is characterized in that, described first oil hydraulic pump and/or the second oil hydraulic pump are duplex pump.
6. a kind of use for diesel engine opposed type biliquid press pump power takeoff according to claim 1, is characterized in that, adopt O type circle to seal between described hydraulic pump gear axle and diesel engine gear chamber.
7. a kind of use for diesel engine opposed type biliquid press pump power takeoff according to claim 1, it is characterized in that, described gear chamber cover is fixed on diesel engine gear chamber, adopts gear chamber cover gasket seal between the two, and adopts pin to locate.
8. a kind of use for diesel engine opposed type biliquid press pump power takeoff according to claim 4, it is characterized in that, the axial limiting parts at the external splines two ends of described spline housing, one end limit position part is spacing dome, and the other end limit position part is back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210439736.XA CN103807011B (en) | 2012-11-07 | 2012-11-07 | Use for diesel engine opposed type biliquid press pump power takeoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210439736.XA CN103807011B (en) | 2012-11-07 | 2012-11-07 | Use for diesel engine opposed type biliquid press pump power takeoff |
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| Publication Number | Publication Date |
|---|---|
| CN103807011A CN103807011A (en) | 2014-05-21 |
| CN103807011B true CN103807011B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210439736.XA Active CN103807011B (en) | 2012-11-07 | 2012-11-07 | Use for diesel engine opposed type biliquid press pump power takeoff |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194422B (en) * | 2016-08-26 | 2018-10-26 | 广西玉柴机器股份有限公司 | The power output structure of the opposed arrangement of biliquid press pump |
| CN107061702A (en) * | 2016-12-30 | 2017-08-18 | 广西玉柴机器股份有限公司 | The transmission mechanism of diesel powered output |
| CN113700553B (en) * | 2021-08-25 | 2022-11-04 | 一汽解放大连柴油机有限公司 | Engine auxiliary output structure and automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4259045A (en) * | 1978-11-24 | 1981-03-31 | Kayabakogyokabushikikaisha | Gear pump or motor units with sleeve coupling for shafts |
| CN201606245U (en) * | 2009-12-10 | 2010-10-13 | 佳成机电(浙江)有限公司 | Coupling of gear pump of power takeoff |
| CN202001511U (en) * | 2011-05-05 | 2011-10-05 | 江西铜业股份有限公司 | Power take-off coupling for electric wheel watering cart |
| CN203098047U (en) * | 2012-11-07 | 2013-07-31 | 广西玉柴机器股份有限公司 | Opposed-type dual-hydraulic-pump power taking device for diesel engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0854026A (en) * | 1994-08-09 | 1996-02-27 | Nkk Corp | Joint structure for rotary shaft |
| JP2003194839A (en) * | 2001-12-26 | 2003-07-09 | Kawasaki Heavy Ind Ltd | Rotation take-out device |
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2012
- 2012-11-07 CN CN201210439736.XA patent/CN103807011B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4259045A (en) * | 1978-11-24 | 1981-03-31 | Kayabakogyokabushikikaisha | Gear pump or motor units with sleeve coupling for shafts |
| CN201606245U (en) * | 2009-12-10 | 2010-10-13 | 佳成机电(浙江)有限公司 | Coupling of gear pump of power takeoff |
| CN202001511U (en) * | 2011-05-05 | 2011-10-05 | 江西铜业股份有限公司 | Power take-off coupling for electric wheel watering cart |
| CN203098047U (en) * | 2012-11-07 | 2013-07-31 | 广西玉柴机器股份有限公司 | Opposed-type dual-hydraulic-pump power taking device for diesel engine |
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| Publication number | Publication date |
|---|---|
| CN103807011A (en) | 2014-05-21 |
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