CN203856534U - Lubricating structure of auxiliary power output device of non-road diesel engine - Google Patents
Lubricating structure of auxiliary power output device of non-road diesel engine Download PDFInfo
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- CN203856534U CN203856534U CN201420260915.1U CN201420260915U CN203856534U CN 203856534 U CN203856534 U CN 203856534U CN 201420260915 U CN201420260915 U CN 201420260915U CN 203856534 U CN203856534 U CN 203856534U
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- gear
- idle gear
- power output
- auxiliary power
- oil passage
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Abstract
The utility model provides an improved auxiliary power output device of a non-road diesel engine. The improved auxiliary power output device comprises a gear chamber. A timing gear, an idle gear, a fuel injection pump driving gear, a camshaft driving gear and an auxiliary power output gear are accommodated in the gear chamber; the idle gear is meshed with the timing gear and is rotationally supported by an idle gear spindle via a bushing, and the idle gear spindle is fixedly arranged on a body; the fuel injection pump driving gear and the camshaft driving gear are respectively meshed with the idle gear; the auxiliary power output gear is meshed with the camshaft driving gear. A center oil passage which is communicated with a lubricating oil passage of the body is arranged on the idle gear spindle.
Description
Technical field
The utility model relates to diesel engine used not on road technology, and especially its auxiliary power output unit is lubricated.
Background technique
Auxiliary power is exported in other document also referred to as PTO device, writing a Chinese character in simplified form of power take off, the auxiliary power output unit of diesel engine, refer to other port power outputs of the output of non-bent axle, be generally used for the interface of oil hydraulic pump and part rotating shaft output, it is generally arranged in the front end and back end of diesel engine, for the manipulation of each follower, controls the power taking demands such as hydraulic power and electric power, meets mechanical operation comfort and the flexibility of various uses.
Because the various agricultural fishes that on market, development is released are herded miniaturization, the microminiaturization by machinery and engineering machinery, the integrated and functionalization of diesel engine used not on road is proposed to requirements at the higher level.Middle low power non-road (general) high-speed diesel engine of existing 18～65 kilowatts generally requires one to three auxiliary power output interface.Lubricating of the gear train that auxiliary power output interface is related, normal employing is drawn independent lubricant pipe to gear chamber outward by gear chamber and is carried out jet lubrication (being the Chinese patent of CN2842082Y and CN201943816U referring to notice of authorization number).
The problem that above-mentioned prior art exists: the gear train relating to is lubricated, needs special-purpose lubricant pipe, and cost is high; And its reliability and maintainability is poor, outward appearance commerciality is also affected.
Summary of the invention
In order to overcome the deficiency of above-mentioned existing auxiliary power output unit, the utility model provides a kind of improved diesel engine used not on road auxiliary power output unit, has simplified lubricating structure, has improved complete machine level of integration and has made it have good trade dress.
Diesel engine used not on road auxiliary power output unit of the present utility model, comprise the gear chamber that the gear chamber cover on it forms by body and buckle closure, in this gear chamber, accommodate: the idle gear that is connected in the timing gear on bent axle and is engaged with, this idle gear is supported by the idle gear axle being fixedly installed on body rotatably by a lining; The fuel oil injectionpump actuation gear and the camshaft drive gear that mesh respectively with idle gear; Auxiliary power output gear with camshaft drive gear engagement.Its technological points is: in idle gear axle, be provided with the central oil passage being connected with body lubricating oil duct; This central oil passage is set to axially and radially form and at least at the oil duct radially with at least one opening along idle gear axle.Like this, in idle gear axle, can form and there is the radially central oil passage of a kind of form opening in axial two openings or a pair of radially (symmetry) axial three openings of a radial opening or a pair of radially (symmetry) opening or, the central oil passage of any form opening, all can make from the lubricant oil of central oil passage in lubricated idle gear, along fitting surface, flow out to the end face of idle gear and form mist of oil under its High Rotation Speed effect, thus other gears and corresponding sports parts in lubricated, cooling gear chamber.Such advantage is: cancel application tube, reduce manufacture cost and installation cost, strengthen its reliability, and improve the trade dress of product.
Further, along idle gear axle, near body one side Axis Extension, be provided with locating stud, aforementioned central oil passage runs through this locating stud; On body, be provided with the pin-and-hole with locating stud adaptation, the Length Ratio locating stud of this pin-and-hole is long; This pin-and-hole is connected with body lubricating oil duct near lower portion.Like this, the lubricant oil from body lubricating oil duct flows into central oil passage through pin-and-hole.
On the basis of aforementioned techniques, further, in the outside of the lining corresponding with central oil passage radial opening inner side or idle gear axle, be provided with endless oil groove on one of them, so that lubricant oil enters this endless oil groove.So arrange, can guarantee to there is good lubrication effect between the idle gear of idle gear axle, lining and upper support thereof; Meanwhile, can increase the throughput of lubricant oil, can make its end face that flows out to sooner, more idle gear realize the effectively lubricating to other gears in gear chamber and corresponding sports parts to form better mist of oil.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model diesel engine used not on road auxiliary power output unit.
Fig. 2 is the partial structurtes sectional view (amplification) of Fig. 1 gear chamber.
Embodiment
Below in conjunction with accompanying drawing and in conjunction with the specific embodiment providing, the utility model is further illustrated.
" interior " mentioned in this specification, " outward " are that to take the inside and outside of Fig. 2 middle gear chamber be benchmark; The 'fornt', 'back' of mentioning, is to take Fig. 2 middle gear chamber cap one side as front, after body one side is; Mention " on ", D score, " left side ", " right side ", be to take Fig. 1 as benchmark.
As shown in Figure 1 and Figure 2, diesel engine used not on road auxiliary power output unit of the present utility model, is accommodated in gear chamber 1, and this gear chamber 1 is formed at body 11 by gear chamber cover 12 buckle closures.In this gear chamber 1, timing gear 6 are installed on the little head end of bent axle (not shown) and are positioned at the bottom of the axis of gear chamber 1, with idle gear 3 engagements of taking back above it and arranging, this idle gear 3 is supported by the idle gear axle 31 being fixedly installed on body 11 by bolt (not marking in figure, lower same) rotatably by a lining 36.Idle gear 3 left sides are provided with Diesel fuel-injection pumps actuation gear 2 and idle gear 3 engagements slightly on the upper side, are provided with diesel engine intake and exhaust cam axle actuation gear 4 and idle gear 3 engagements in its right avertence.The camshaft holder hole (in figure do not mark) of one end of intake and exhaust cam axle 7 on body 11 stretched out and located by catch 71 in gear chamber 1, is arranged on intake and exhaust cam axle 7 and by flat key 72 and locates to camshaft drive gear 4 interference.In camshaft drive gear 4 bottom rights, be provided with auxiliary power output gear 5 and be engaged with.
On auxiliary power output gear 5, be wholely set dynamic output shaft 51, this pto＝power take-off 51 is bearing in auxiliary power output gear 5 on body 11 and gear chamber cover 12 by pair of bearings 52.Meanwhile, on this pto＝power take-off 51, be provided with the Axile connection structure 58 suitable with driven facility (as oil hydraulic pump, not shown).In the present embodiment, this Axile connection structure 58 is the inner spline housing arranging in pto＝power take-off 51 two ends (can be also spline or other Axile connection structures in pto＝power take-off 51 two ends outer installment certainly).With aforementioned spline housing accordingly, the axle of driven facility is provided with adaptive spline, can be optionally from front end or the rear end of gear chamber 1, be connected and install fixing with Axile connection structure 58.In the present embodiment, driven facility are designed to be arranged on the rear end of gear chamber 1, thereby have below cover plate 57(and address therein) on the hole that the axle for driven facility passes through is not set.
In the present embodiment, timing gear 6, fuel oil injectionpump actuation gear 2, camshaft drive gear 4 are left-handed design, idle gear 3 and auxiliary power output gear 5 are right-hand design, all train of gearings all adopt helical gear system, thereby auxiliary power output gear 5 and pto＝power take-off 51 thereof can be subject to the axial force f towards gear chamber rear end, for overcoming the interference of this axial force f to the normal work of driven device, in the present embodiment, by above-mentioned pair of bearings 52 screenings, be that tapered roller bearing is with balancing axial thrust f, so that driven device receives pure moment of torsion.
Above-mentioned a pair of tapered roller bearing 52 is installed in corresponding mounting hole on body 11 and gear chamber cover 12 (not marking in figure, lower same), and its inner ring positions to be located at the shaft shoulder 53 near gear front and rear end on pto＝power take-off 51.The outer ring that is installed on the tapered roller bearing 52 on body 11 is positioned by the mounting hole on body 11, and being installed on the tapered roller bearing (being positioned at a side bearing contrary with the pto＝power take-off 51 axial force f being subject in service) 52 on gear chamber cover 12, its location, outer ring arranges specially a bearing clearance positioning device 50 and carries out.
As shown in Figure 2, this bearing clearance positioning device 50 is along the arranged outside that is installed on the tapered roller bearing (being positioned at a side bearing contrary with the pto＝power take-off 51 axial force f being subject in service) 52 on gear chamber cover 12, comprise successively from inside to outside inner shield ring 54, elastic element 55, outer back-up ring 56 and cover plate 57, this positioning device 50 is pushed down outer back-up ring 56 and is passed through elastic element 55 by cover plate 57, inner shield ring 54(inner shield ring 54 directly contacts with the outer ring of this side tapered roller bearing 52) by auxiliary power output gear 5 with this is to tapered roller bearing 52 axially locating, cover plate 57 is bolted on gear chamber cover 12.This elastic element 55 is set under the effect of cover plate 57 and outer back-up ring 56, makes inner shield ring 54 be subject to setting the axial force towards gear chamber 1 indoor direction of size.Because the amount of deformation of elastic element 55 can provide circumference pretightening force setting, more accurate to tapered roller bearing 52, can eliminate inner ring, the rolling element of tapered roller bearing 52, the gap of outer ring, make in transmitting torque process, the all rollers bearing load of rolling element is even, with this, reduce the circulation of rolling element loading direction, the life-span of improving rolling element and Internal and external cycle; And this positioning device is without carrying out special debugging, assembling simple and fast, safeguards and changes easily.
Next the lubricating structure of the utility model auxiliary power output unit is described.
In auxiliary power output unit of the present utility model, for supporting the idle gear axle 31 of idle gear 3, along its near body 11 1 side Axis Extensions be provided with locating stud 35, on body 11, be provided with and pin-and-holes 37 this locating stud 35 adaptations, that Length Ratio locating stud 35 is long.On body 11, be provided with a body lubricating oil duct 33, this body lubricating oil duct 33 communicates with the lower portion near pin-and-hole 37; Meanwhile, run through aforementioned locating stud 35 ground and axially and be radially formed with central oil passage 34 along idle gear axle 31, this central oil passage 34 is at least radially provided with at least one opening (in figure mark) in idle gear axle 31.Like this, by pin-and-hole 37, central oil passage 34 is connected with body lubricating oil duct 33, from the lubricant oil of body lubricating oil duct 33, will transfer and enter central oil passage 34 through pin-and-hole 37.
In the present embodiment, central oil passage 34 has three openings in idle gear axle 31, i.e. a pair of (symmetry) opening radially and an opening vertically.Certainly, such opening can be also one of other several forms: i.e. a radial opening, or a pair of radially (symmetry) opening, or axial two openings (those of ordinary skills can be easy to understand, therefore not shown) radially.
Lining 36 is installed to interference on idle gear 3, and idle gear 3 is arranged on rotatably in idle gear axle 31 and by catch 32 and is carried out axially locating by lining 36.Further, with aforementioned central oil passage 34 on radial opening accordingly, in lining 36 inner sides or in the outside of idle gear axle 31, be provided with endless oil groove (in figure mark) on one of them.In the present embodiment, endless oil groove is arranged on the inner side of the lining 36 corresponding with a pair of radially (symmetry) opening.
Thus, lubricant oil from body, to enter pin-and-hole 37 bottoms by body lubricating oil duct 33, and then by the central oil passage 34 of idle gear axle 31 interior settings, from the present embodiment, a pair of radially (symmetry) outlet is along idle gear 3(and lining 36 thereof and through endless oil groove) and the fitting surface of 32 of the fitting surface of 31 of idle gear axles, idle gear 3 and catch lubricate and flow out to the front and rear end (being mainly front-end face) of idle gear 3; Meanwhile, the fitting surface that the gap that Axial-running Out opening's edge idle gear axle 31 that also can be from the present embodiment and catch are 32 and idle gear 3 and catch are 32 flows out to the front and rear end (being mainly front-end face) of idle gear 3.Exterior edge face due to the recessed gear of (forward and backward) end face of idle gear 3, the lubricant oil that flows out to idle gear 3 front and rear ends (being mainly front-end face) by under the High Rotation Speed effect at idle gear 3 at the interior formation mist of oil of gear chamber 1, thereby other gears and corresponding sports parts in lubricated, cooling gear chamber 1.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, such as, outer back-up ring and cover plate are made as to one, only otherwise depart from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (3)
1. the lubricating structure of a diesel engine used not on road auxiliary power output unit, comprise the gear chamber (1) that the gear chamber cover (12) on it forms by body (11) and buckle closure, in this gear chamber (1), accommodate: the idle gear (3) that is connected in the timing gear (6) on bent axle and is engaged with, this idle gear (3) is supported by the idle gear axle (31) being fixedly installed on described body (11) rotatably by a lining (36); The fuel oil injectionpump actuation gear (2) and the camshaft drive gear (4) that mesh respectively with described idle gear (3); Auxiliary power output gear (5) with described camshaft drive gear (4) engagement, is characterized in that:
In described idle gear axle (31), be provided with the central oil passage (34) being connected with body lubricating oil duct (33); Described central oil passage (34) is set to axially and radially form and at least at the oil duct radially with at least one opening along described idle gear axle (31); Like this, from the lubricant oil of central oil passage (34) in lubricated idle gear (3), to along fitting surface, flow out to the end face of idle gear (3) and form mist of oil under its High Rotation Speed effect, thus other gears and corresponding sports parts in lubricated, cooling gear chamber (1).
2. lubricating structure according to claim 1, is characterized in that:
Along described idle gear axle (31), near body (11) one side Axis Extensions, be provided with locating stud (35), described central oil passage (34) runs through this locating stud (35); On body (11), be provided with the pin-and-hole (37) adaptive with locating stud (35), locating stud (35) is long described in the Length Ratio of this pin-and-hole (37); This pin-and-hole (37) is connected with described body lubricating oil duct (33) near lower portion; Like this, the lubricant oil from body lubricating oil duct (33) will enter central oil passage (34) through pin-and-hole (37) switching.
3. according to the lubricating structure described in any one in claim 1 or 2, it is characterized in that:
With described central oil passage (34) radial opening accordingly, in described lining (36) inner side or in the outside of described idle gear axle (31), be provided with endless oil groove on one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260915.1U CN203856534U (en) | 2014-05-21 | 2014-05-21 | Lubricating structure of auxiliary power output device of non-road diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260915.1U CN203856534U (en) | 2014-05-21 | 2014-05-21 | Lubricating structure of auxiliary power output device of non-road diesel engine |
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| Publication Number | Publication Date |
|---|---|
| CN203856534U true CN203856534U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420260915.1U Active CN203856534U (en) | 2014-05-21 | 2014-05-21 | Lubricating structure of auxiliary power output device of non-road diesel engine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035513A (en) * | 2017-04-17 | 2017-08-11 | 广西玉柴机械股份有限公司 | A kind of PTO of diesel engine used not on road |
| 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 |
| CN107165737A (en) * | 2017-07-13 | 2017-09-15 | 广西玉柴机器股份有限公司 | Gear lubrication oil circuit |
| CN109296736A (en) * | 2018-11-29 | 2019-02-01 | 汽解放汽车有限公司 | Engine PTO output interface structure |
| CN113700553A (en) * | 2021-08-25 | 2021-11-26 | 一汽解放大连柴油机有限公司 | Engine auxiliary output structure and automobile |
-
2014
- 2014-05-21 CN CN201420260915.1U patent/CN203856534U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107035513A (en) * | 2017-04-17 | 2017-08-11 | 广西玉柴机械股份有限公司 | A kind of PTO of diesel engine used not on road |
| CN107165737A (en) * | 2017-07-13 | 2017-09-15 | 广西玉柴机器股份有限公司 | Gear lubrication oil circuit |
| CN109296736A (en) * | 2018-11-29 | 2019-02-01 | 汽解放汽车有限公司 | Engine PTO output interface structure |
| CN113700553A (en) * | 2021-08-25 | 2021-11-26 | 一汽解放大连柴油机有限公司 | Engine auxiliary output structure and automobile |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151022 Address after: 401135 Chongqing Yubei District City Longxing Zhen Ying Long Road No. 19 Patentee after: YUCHAI RUNWEI ENGINE CO., LTD. Address before: 402247 Chongqing Jiulongpo District Jiangjin Shuangfu Industrial Park B District Patentee before: Chongqing Runtong Dongli Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191107 Address after: 402247 workshop area 1, building 1, Chongqing Runtong Power Co., Ltd., Shuangfu New District, Shuangfu street, Jiangjin District, Chongqing Patentee after: Chongqing Yuchai runwei Industrial Technology Research Institute Co., Ltd Address before: 401135 Chongqing Yubei District City Longxing Zhen Ying Long Road No. 19 Patentee before: YUCHAI RUNWEI ENGINE CO., LTD. |