CN108869023A - A kind of self lubricating system of power takeoff - Google Patents
A kind of self lubricating system of power takeoff Download PDFInfo
- Publication number
- CN108869023A CN108869023A CN201810597050.0A CN201810597050A CN108869023A CN 108869023 A CN108869023 A CN 108869023A CN 201810597050 A CN201810597050 A CN 201810597050A CN 108869023 A CN108869023 A CN 108869023A
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- China
- Prior art keywords
- gear
- bearing
- transition
- output gear
- power takeoff
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention provides a kind of self lubricating system of power takeoff, including shell and driving gear, transition gear and output gear, it further include transition wheel shaft, the output gear is located at the upper side of the transition gear, the shell is provided with atomizer at the corresponding position of meshing point between the output gear and the transition gear, bearing and bearing (ball) cover are arranged on the transition wheel shaft, the transition gear is set on the bearing, it is opened up on the shell fluted, shoe cream room is formed between the groove and the bearing (ball) cover, the lubrication channel being connected to the shoe cream room is offered on the transition wheel shaft.By the way that lubrication channel is arranged on transition wheel shaft, bearing is lubricated using the pressure difference between lubrication channel and shoe cream room, effectively ensure the supply of lubricating oil, lubricant effect is relatively preferable, compared with the technical solution of oil circuit is arranged on shell in tradition, structure and simple process, difficulty of processing are low and lubricant effect is relatively preferable.
Description
The present invention is the hair of Patent No. ZL 201610696307.9, entitled " a kind of self lubricating system of power takeoff "
The divisional application of bright patent.
Technical field
The present invention relates to a kind of lubricating system, especially a kind of self lubricating system of power takeoff.
Background technique
On the special vehicles such as excavator, engine is not only needed to provide power for the traveling of vehicle, it is also desirable to engine
Some or all power are provided for driving other component, this, which just needs to install on the engine of this kind of special vehicle, takes
Power device.
Traditional power takeoff generally includes the driving gear successively engaged, transition gear and output gear and for lubricating
The lubricating system of each gear, wherein the structure of lubricating system is typically more complicated.In Publication No. CN204226002U
A kind of engine torque extracting machine with built-in oil leab disclosed in state's utility model patent, including shell, shaft gear, oil pocket,
Fore bearing, rear bearing set boss in housing forward end, have the oil input channel of straight-through oil pocket on boss, the external port of oil input channel is by sealing
Plug screw assembly is closed, and has transition oil duct to lead to oil input channel, the oil outlet on transition oil duct and backgear room on the front end face of boss
It is corresponding.The oil input channel be it is ladder-like, close to oil pocket inside oil input channel diameter be 2~4mm, outside oil input channel diameter
For 7~9mm.The sealing plug assembly includes plug screw and O-ring seal.Transition oil duct and backgear room oil outlet pass through dress
It is connected with relationship, then machine oil is ejected into power takeoff followed by backgear room oil outlet, transition oil duct, ladder-like oil input channel
Oil pocket in shell, to be lubricated to the bearing in power takeoff assembly.But since the shell of power takeoff is generally casting,
The process is more complicated for setting oil circuit in casting, and difficulty of processing is relatively large, and lubricant effect is also to be improved.
In view of this, the applicant conducts in-depth research the lubricating system of power takeoff, there is this case generation then.
Summary of the invention
It is low the purpose of the present invention is to provide a kind of structure and simple process, difficulty of processing and lubricant effect is relatively good
The self lubricating system of power takeoff.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of self lubricating system of power takeoff, including shell and the driving tooth for being arranged in the shell and successively engaging
Wheel, transition gear and output gear, further include being fixed on the intracorporal transition wheel shaft of the shell, the output gear is located at the mistake
Cross the upper side of gear, the shell is in the corresponding position of meshing point between the output gear and the transition gear
Place is provided with atomizer, and bearing and bearing (ball) cover are arranged on the transition wheel shaft, and the transition gear is set in the bearing
On, it opens up fluted on the shell, forms shoe cream room between the groove and the bearing (ball) cover, opened on the transition wheel shaft
Equipped with the lubrication channel being connected to the shoe cream room.
As an improvement of the present invention, the injection direction of the atomizer is towards the output gear and the transition tooth
Meshing point between wheel, the direction of rotation of the output gear be from the lower extreme point of the output gear through the output gear and
Meshing point between the transition gear is to the upper extreme point direction of the output gear.
As an improvement of the present invention, the opening of described lubrication channel one end is towards the bearing.
As an improvement of the present invention, it there are two the bearings, is provided between two bearings described in being fixed on
Retaining ring on transition gear.
As an improvement of the present invention, opening up arrangement and position of the lubrication channel towards one end of the bearing
Between two bearings, the lubricating oil liquid level in the shoe cream room is higher than the horizontal position of the upper extreme point of the transition wheel shaft
It sets.
As an improvement of the present invention, two opposite sides of the bearing, which are respectively arranged with, is set in the transition wheel
The opening of baffle ring on axis, the lubrication channel towards one end of the bearing is located between two baffle rings, and two institutes
It states and forms oil storage tank between baffle ring.
As an improvement of the present invention, the bearing is cylinder roller bearing.
By adopting the above technical scheme, the invention has the advantages that：
By the way that lubrication channel is arranged on transition wheel shaft, bearing is carried out using the pressure difference between lubrication channel and shoe cream room
Lubrication, effectively ensures the supply of lubricating oil, lubricant effect is relatively preferable, and the technical side of oil circuit is arranged on shell with tradition
Case is compared, structure and simple process, difficulty of processing are low and lubricant effect is relatively preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of power takeoff of the invention；
Fig. 2 is the positive structure diagram of power takeoff of the invention, broken section in figure, and be connected with engine crankshaft and
Flywheel；
Fig. 3 is the self-lubricating structure schematic diagram of power takeoff of the invention, and arrow show the flow direction of lubricating fluid in figure.
It is as follows that correspondence is indicated in each figure：
10- shell；20- driving gear；
30- transition gear；31- transition wheel shaft；
32- bearing；33- bearing (ball) cover；
34- retaining ring；40- output gear；
The first splined hole of 41-；51- bolt；
52- positioning pin；53- crankshaft；
54- flywheel；61- elastomer；
The second splined hole of 62-；63 angular contact bearings；
71- atomizer；72- shoe cream room；
73- lubrication channel；
Specific embodiment
The present invention is described further in the following with reference to the drawings and specific embodiments.
Embodiment one.
As depicted in figs. 1 and 2, compact-sized power takeoff provided in this embodiment, including shell 10 and setting are in shell
Driving gear 20, transition gear 30 and the output gear 40 engaged in body 10 and successively, wherein output gear 40 is located at transition tooth
The upper side of wheel 30, driving gear 20 is located at the side-lower of transition gear 30, and driving gear 20 and output gear 40 distinguish position
In the two sides of transition gear 30.
Connection structure is provided between driving gear 20 and engine, also the as connection structure of power takeoff and engine.
Specifically, the power takeoff of the present embodiment further includes bolt 51 and positioning pin 52, and offered respectively on driving gear 20 perforation and
The quantity of location hole, perforation can be set according to actual needs, and in the present embodiment, there are five perforation, certainly corresponding
Bolt 51 also there are five, five perforation using the axis of driving gear 20 are center circumference on driving gear 20, location hole
Only one, is located therein between two perforation.Each bolt 51 is respectively interposed in each perforation, and the both ends of each bolt respectively with
The flywheel of engine is connected with crankshaft, and positioning pin 52 is interspersed in positioning hole, and the both ends of positioning pin 52 are also respectively interposed and are sending out
On the flywheel and crankshaft of motivation.
Correspondingly, the engine connecting with the power takeoff of the present embodiment is needed with crankshaft 53 and flywheel 54, on flywheel 54
Also offer perforation, which also corresponds there are five and with perforation on driving gear 20, open up on crankshaft 53 there are five
With the one-to-one threaded hole of perforation on flywheel 54 or driving gear 20, i.e., each threaded hole is also with the axis of driving gear 20
Center circumferential is arranged on crankshaft 53, meanwhile, it is that the location hole on driving gear 20 is corresponding on crankshaft 53 and flywheel 54
Also location hole is offered at position, i.e., offers location hole respectively on the corresponding position of crankshaft 53, flywheel 54 and driving gear 20,
It should be noted that due to usually having had on the crankshaft 53 for the engine for directly buying acquisition from the market, there are five circumference cloth
The threaded hole set only need to be in the position according to the threaded hole on crankshaft 53 on flywheel 54 and driving gear 20 in actual production
Open up perforation.Each bolt 51 sequentially pass through on flywheel 54 and driving gear 20 it is corresponding perforation and spiral be connected to it is corresponding
On threaded hole, positioning pin 52 is successively interspersed on the location hole of flywheel 54, driving gear 20 and crankshaft 53, realizes engine with this
Connection between power takeoff, compact-sized and stability are preferable.
Transition gear 30 is mounted in shell 10 by transition wheel shaft 31, i.e. the power takeoff of the present embodiment further includes being fixed on
Transition wheel shaft 31 in shell 10, transition wheel shaft 31 is trapezoid shaft, and bearing 32 and bearing (ball) cover are arranged on transition wheel shaft 31
33, between bearing (ball) cover 33 and the step surface of transition wheel shaft 31, transition gear 30 is arranged over bearings 32 middle (center) bearing 32.
Preferably, in the present embodiment, there are two bearings 32, and all it is cylinder roller bearing, is set between two bearings 32
It is equipped with the retaining ring 34 being fixed on transition gear 30, two bearings 32 can be both isolated from each other by retaining ring 34, prevented also from transition
Gear 30 generates axial jump in the course of rotation.
Output gear 40 is mounted in shell 10 by angular contact bearing 63, and output gear 40 and plunger pump or hydraulic pump
Transmission shaft between on be provided with transmission connecting structure, specifically, the power takeoff of the present embodiment further includes elastomer 61, and export
First splined hole 41 coaxial with output gear 40 is provided on gear 40.It is provided on the lateral surface of elastomer 61 and the first flower
The first spline that keyhole 41 cooperates, is also provided on elastomer 61 and the cooperation of the transmission shaft of plunger pump or hydraulic pump and and elastomer
61 the second coaxial splined holes 62, the first spline is interspersed in the first splined hole 41, and output gear 40,41 and of the first splined hole
Second splined hole 62 is mutually coaxially arranged.
Needed on the transmission shaft of plunger pump or hydraulic pump be arranged with the second splined hole cooperation the second spline, the first spline and
Transition fit or interference fit can be used between first splined hole 41 and between the second spline and the second splined hole 62.In this way may be used
Rigid connection between output gear 40 and transmission shaft is changed to be flexibly connected, assembling is preferable, and the buffering of elastomer is made
With high frequency strenuous vibration that spline and splined hole generate can be reduced to the motor element and sealing element on plunger pump or hydraulic pump
Impact, plunger pump or hydraulic pump output characteristics are also more steady, the service life of plunger pump or hydraulic pump can be extended 3-5.
Preferably, in the present embodiment, the first splined hole 41 and/or the second splined hole 62 have involute spline, gradually open
The use of line spline helps to promote the stability and reliability of connection structure.
In addition, as shown in Figure 1-Figure 3, power takeoff provided in this embodiment also has self lubricating system, the self lubricating system
Three kinds of structures of lubrication system and storage type lubrication system of lubrication system, high-order gear including low level gear, specifically, shell
The bottom of 10 inner cavity is provided with the oil groove (not shown) for filling lubricating oil, and the lower part of driving gear 20 is immersed in the oil groove
It is interior, in use, the lubricating oil in oil groove can be adsorbed on the gear teeth of driving gear 20, and as the rotation of driving gear 20 is by band
To the upper end of driving gear 20, then flow down under gravity, moistens driving gear 20 and corresponding bearing
Sliding, above structure is the lubrication system of low level gear.
The intracavity sidewall of shell 10 is at the corresponding position of meshing point between output gear 40 and transition gear 30
It is provided with fueller, certainly, fueller can also be located at position corresponding with the lower part of output gear 40.In this reality
It applies in example, fueller is atomizer 71, i.e. atomizer 71 is arranged between shell 10 and output gear 40 and transition gear 20
The corresponding position of meshing point at.Atomizer 71 is connect with the oil supply pipe outside power takeoff, injection direction direction output
Meshing point between gear 40 and transition gear 20, certainly, specific spray angle need the class according to actual atomizer 71
Type is configured, such as can parabolically spray the atomizer of lubricating oil, at this time it is ensured that the parabolical terminal is located at output
Meshing point between gear 40 and transition gear 20, it may be preferable on the flank of tooth upward of 20 corresponding teeth of transition gear.Together
When, the direction of rotation of output gear 40 is the lower extreme point from output gear 40 through nibbling between output gear 40 and transition gear 30
Chalaza is to the upper extreme point direction of output gear 40, for example, exporting when output gear 40 is located above the right side of transition gear 30
The direction of rotation of gear 40 should be counterclockwise, conversely, then the direction of rotation of output gear 40 should be clockwise.It uses
When, the lubricating oil that atomizer 71 sprays can be adsorbed on the gear teeth of output gear 40, and as the rotation of output gear 40 is by band
The upper end of dynamic output gear 40, then flow down under gravity, moistens output gear 40 and corresponding bearing
Sliding, above structure is the lubrication system of high-order gear.
It should be noted that the lubrication system of above-mentioned high position gear can be not only used in power takeoff, it can be used for
In the gear-box of his type, as long as including second gear, the first gear successively engaged in the gear-box, and first gear is located at
The upper side of second gear, specifically, setting fueller is located at position corresponding with the lower part of first gear, together
Sample, fueller is preferably atomizer, and it is corresponding that the meshing point between first gear and second gear is arranged in atomizer
Position at, the injection direction of atomizer is towards the meshing point between first gear and second gear, the rotation side of first gear
To for from the lower extreme point of first gear through the meshing point between first gear and second gear to the upper extreme point direction of first gear.
It is also provided with groove on shell 10, forms shoe cream room 72 between groove and bearing (ball) cover 33, is filled in shoe cream room 72
Lubricating oil, and be located at atomizer 71 lower section, convenient for shoe cream room 72 accept from atomizer 71 drippage or atomizer 71 be injected in it is defeated
The lubricating oil of drippage is reflected on gear 40 or transition gear 30 out.It offers on 72 transition wheel shaft 31 of shoe cream room and connects with shoe cream room 72
Logical lubrication channel 73, towards bearing 32, the other end is connect the opening of 73 one end of lubrication channel with shoe cream room 72.In the present embodiment
In, lubrication channel 73 towards one end of bearing 32 opening up arrangement and be located between two bearings 32, while shoe cream room 72
Interior lubricating oil liquid level is higher than the horizontal position of the upper extreme point of transition wheel shaft 31.In use, the lubricating oil in shoe cream room 72 is in liquid
Pressure effect is lower to overflow from lubrication channel 73 towards the opening of 32 one end of bearing, be lubricated to bearing 32, while overflowing to axis
Holding lubricating oil on 32 under the effect of gravity on flow down to transition wheel shaft 31, can also be lubricated transition wheel shaft 31, on
Stating structure is storage type lubrication system.
Preferably, it for above-mentioned storage type lubrication system, can also be respectively arranged with two opposite sides of bearing 32
The opening of the baffle ring being set on transition wheel shaft 31, lubrication channel 73 towards one end of bearing 32 is located between two baffle rings, and
Oil storage tank is formed between two baffle rings.Certainly, the lubricating oil liquid level in shoe cream room 72 needs the upper extreme point higher than baffle ring, in this way,
Lubrication in lubrication channel 73 has and can first fill oil storage tank, then from the upper end of oil storage tank overflow on bearing 32 to bearing 32 into
Row lubrication, while the lubricating oil in oil storage tank also can obtain certain centrifugal force with the rotation of transition gear 30, to transition
Gear 30 and transition wheel shaft 31 are lubricated, and not only lubricant effect is preferable for this lubrication system, and have certain heat dissipation effect,
The heat that i.e. gear rotation generates can be pulled away with the flowing of lubricating oil.
Embodiment two.
The present embodiment provides a kind of transmission connecting structure of gear, output gear 40 and plunger in the structure and embodiment one
It is identical to be provided with transmission connecting structure between pump or the transmission shaft of hydraulic pump, specifically, the structure include gear and with the tooth
Take turns transmission connection transmission shaft, and on the gear be arranged with the gear it is coaxial have the first splined hole.
The structure further includes elastomer, and the first spline with the cooperation of the first splined hole, the elasticity are provided on the elastomer
It is also provided with the second splined hole on body, the second spline with the cooperation of the second splined hole is provided on transmission shaft, the first spline is interspersed
In the first splined hole, the second spline is interspersed in the second splined hole, and it is mutually coaxial to assemble backgear, elastomer and transmission shaft
Arrangement.Match between first spline and the first splined hole and using transition fit or interference between the second spline and the second splined hole
It closes.
Preferably, in the present embodiment, the first spline and/or the second spline are involute spline.
Rigid connection between gear and transmission shaft can be changed to flexible connect by transmission connecting structure provided in this embodiment
It connects, assembling is preferable, and the buffer function of elastomer can reduce the high frequency strenuous vibration that spline and splined hole generate, output characteristics
Also more steady, furthermore elastomer is interspersed in gear by the first spline being arranged on elastomer, structure is more compact.
The present invention is described in detail above in conjunction with attached drawing, but embodiments of the present invention be not limited in it is above-mentioned
Embodiment, those skilled in the art can make various modifications according to the prior art to the present invention, such as will be in embodiment one
Atomizer 71 is changed to other fuellers etc., and these are all within the scope of protection of the present invention.
Claims (7)
1. a kind of self lubricating system of power takeoff, including shell and the driving tooth for being arranged in the shell and successively engaging
Wheel, transition gear and output gear, which is characterized in that further include being fixed on the intracorporal transition wheel shaft of the shell, the output gear
Wheel is located at the upper side of the transition gear, meshing point of the shell between the output gear and the transition gear
It is provided with atomizer at corresponding position, bearing and bearing (ball) cover, the transition gear set are arranged on the transition wheel shaft
It is located on the bearing, opens up fluted on the shell, form shoe cream room between the groove and the bearing (ball) cover, it is described
The lubrication channel being connected to the shoe cream room is offered on transition wheel shaft.
2. the self lubricating system of power takeoff as described in claim 1, which is characterized in that the injection direction direction of the atomizer
Meshing point between the output gear and the transition gear, the direction of rotation of the output gear are from the output gear
Lower extreme point through the meshing point between the output gear and the transition gear to the upper extreme point direction of the output gear.
3. the self lubricating system of power takeoff as described in claim 1, which is characterized in that the opening court of described lubrication channel one end
To the bearing.
4. the self lubricating system of power takeoff as described in claim 1, which is characterized in that there are two the bearings, described in two
The retaining ring being fixed on the transition gear is provided between bearing.
5. the self lubricating system of power takeoff as claimed in claim 4, which is characterized in that the lubrication channel is towards the bearing
One end opening up arrangement and be located between two bearings, the lubricating oil liquid level in the shoe cream room is higher than the mistake
The horizontal position of the upper extreme point of ferry boat axis.
6. the self lubricating system of power takeoff as claimed in claim 5, which is characterized in that the opposite side of two bearings point
It is not provided with the baffle ring being set on the transition wheel shaft, the opening of the lubrication channel towards one end of the bearing is located at two
Between a baffle ring, and oil storage tank is formed between two baffle rings.
7. the self lubricating system of the power takeoff as described in any claim in claim 1-6, which is characterized in that the bearing
For cylinder roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810597050.0A CN108869023B (en) | 2016-08-20 | 2016-08-20 | Self-lubricating system of power takeoff |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810597050.0A CN108869023B (en) | 2016-08-20 | 2016-08-20 | Self-lubricating system of power takeoff |
| CN201610696307.9A CN106224092B (en) | 2016-08-20 | 2016-08-20 | A kind of self lubricating system of power takeoff |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610696307.9A Division CN106224092B (en) | 2016-08-20 | 2016-08-20 | A kind of self lubricating system of power takeoff |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108869023A true CN108869023A (en) | 2018-11-23 |
| CN108869023B CN108869023B (en) | 2020-05-01 |
Family
ID=57554263
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810596615.3A Active CN108869022B (en) | 2016-08-20 | 2016-08-20 | Power takeoff |
| CN201610696307.9A Active CN106224092B (en) | 2016-08-20 | 2016-08-20 | A kind of self lubricating system of power takeoff |
| CN201810597050.0A Active CN108869023B (en) | 2016-08-20 | 2016-08-20 | Self-lubricating system of power takeoff |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810596615.3A Active CN108869022B (en) | 2016-08-20 | 2016-08-20 | Power takeoff |
| CN201610696307.9A Active CN106224092B (en) | 2016-08-20 | 2016-08-20 | A kind of self lubricating system of power takeoff |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN108869022B (en) |
| WO (1) | WO2018036099A1 (en) |
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| CN108869022B (en) * | 2016-08-20 | 2020-04-07 | 泉州鑫豪工程机械科技有限公司 | Power takeoff |
| CN108253121B (en) * | 2018-01-22 | 2020-11-13 | 重庆交通大学 | Self-lubricating RV speed reducer |
| CN108443475B (en) * | 2018-02-11 | 2020-06-05 | 厦门联帮匠心机械设备有限公司 | Directional spraying lubrication method for power takeoff |
| CN108458093A (en) * | 2018-02-11 | 2018-08-28 | 厦门联帮匠心机械设备有限公司 | Power takeoff orients spray lubrication system |
| CN109505960B (en) * | 2019-01-23 | 2020-11-06 | 福建江夏学院 | Low-noise walking pump for engineering machinery |
| CN109854730B (en) * | 2019-02-26 | 2020-06-16 | 山西煤矿机械制造股份有限公司 | Gear train self-lubricating device |
| CN112483636B (en) * | 2020-10-27 | 2022-06-14 | 中国船舶重工集团公司第七0三研究所 | Large-lubricating-oil-flow central transmission shell for gas turbine |
| CN112483635B (en) * | 2020-10-27 | 2022-06-14 | 中国船舶重工集团公司第七0三研究所 | Large-lubricating-oil-flow central transmission mechanism for gas turbine |
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| CN108869022B (en) * | 2016-08-20 | 2020-04-07 | 泉州鑫豪工程机械科技有限公司 | Power takeoff |
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2016
- 2016-08-20 CN CN201810596615.3A patent/CN108869022B/en active Active
- 2016-08-20 CN CN201610696307.9A patent/CN106224092B/en active Active
- 2016-08-20 CN CN201810597050.0A patent/CN108869023B/en active Active
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2017
- 2017-01-20 WO PCT/CN2017/071802 patent/WO2018036099A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108869022B (en) | 2020-04-07 |
| WO2018036099A1 (en) | 2018-03-01 |
| CN108869022A (en) | 2018-11-23 |
| CN108869023B (en) | 2020-05-01 |
| CN106224092A (en) | 2016-12-14 |
| CN106224092B (en) | 2019-01-08 |
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