CN205078738U - Hand tractor's derailleur - Google Patents
Hand tractor's derailleur Download PDFInfo
- Publication number
- CN205078738U CN205078738U CN201520479943.7U CN201520479943U CN205078738U CN 205078738 U CN205078738 U CN 205078738U CN 201520479943 U CN201520479943 U CN 201520479943U CN 205078738 U CN205078738 U CN 205078738U
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- CN
- China
- Prior art keywords
- gear
- output shaft
- shaft
- input shaft
- axle
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B71/00—Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
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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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/24—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using chains or toothed belts, belts in the form of links; Chains or belts specially adapted to such gearing
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a hand tractor's derailleur, this derailleur is carried out with the transmission's that has the casing form, it has input shaft and output shaft, this input shaft and output shaft supporting gear are and combine extremely each other via intermediate gear through auto -change over device, intermediate gear's axle and gear auto -change over device arrange on the endocentric circular arc of the gear with the output shaft and continuously be connected to the gear of output shaft through the gear, every gear in these gears all supports at least one additional gear, the block on being arranged in auto -change over device's balladeur train is incorporated into to the gear of input shaft, this balladeur train install become to make can be on the input shaft reciprocating motion, input shaft at least one gear to the gear train in. In addition, install chain driving sprocket on the output shaft and install driven sprocket on the hand tractor propulsion shaft to the geometric axis of two sprockets and the geometric axis of output shaft are located a plane, and the axis of jackshaft is for this plane symmetrical ground location.
Description
Technical field
The utility model relates to the field of farm machinery, particularly, relates to the manual farming machine (hand tractor, cultivator) being provided with independent driving device, and this manual farming machine is designed on splat and operation in greenhouse.The improvement proposed is designed with impact to the principal organ of in the principal organ of these machines, i.e. speed changer.
Background technique
Manual farming machine is divided into two kinds of main Types: be equipped with multiple different can the cultivator of attaching tool and hand tractor.A development trend in the development trend of these machines is versatility and the conformity of the assembly of these machines and the single parts of mechanism.On this point, the model utility proposed can effectively for the farming machine of this two type.
Known designs as the speed changer of the farming machine (below is machine) of cultivator is made up of two closed gears connecting in a kinematic fashion, this transmission design becomes to be used for transmit the moment of torsion of from drive unit to operation unit---blade---, the one near drive unit in described two closed gears is secondary gear, and this secondary gear is in conjunction with taper gear pair and cylindrical gear pair.Another one is the multistage gear case (tertiary gear case) of making in unfolded drawing and comprises the continuous cylinder gear row on the outstanding axle that is arranged in enclosing housing, thus forms shift device.Gear is mounted to mutually to replace to provide different rotational speeies for from the output shaft that operation unit---mill machine---directly connects, and for this reason, the outer shell walls of gear is designed to removable.Two gears are connected to each other [SU1697600] by means of the coupling of axle and a pair compensation.
The significant deficiency of analog is the complexity that design of gears is brought owing to implementing its two kinematically relevant parts.In fact, speed changer by two independently closed gear formed.In Operation and maintenance, think that this gearbox arrangement is insecure.By gear being rearranged the rotational speed changing operation unit in side gear case, first this can lose sizable time, and secondly the earth comprising coarse particles may be made to enter into the inner chamber of gear train.Fast Wearing and the gear distress of latter case and the operation surface of gear are relevant.By the design accepted and the using method of side gear (sidegear differential gear), the application of any oiling agent will be all invalid.Should also be noted that production said gear at substantial expense and time, this is the direct result of the complexity of design proposal.
Such as at patent no.4236166, the speed changer of the farming machine (hand tractor) described in Japanese clIPCA01B33/00 is as the prototype of declaring model utility.The design of prototype variators is carried out with the form of gear, and in this gear, axle to be arranged on straight line pattern and to be arranged in single enclosing housing, and this single enclosing housing is equipped with the effective system for fluid lubricant.Velocity variations is carried out by means of COMM communication, and this COMM communication is make to interact and the system of the parts movement kinematically relevant with control handle to independent gear and organizing.Gear-box comprises the input shaft and output shaft that are set in also supporting gear in rolling bearing.These axles and temporary transient gear are connected to each other, and each is wherein be mutually related with gear or gear unit an assembly or another assembly.In addition, gear also has additional input shaft except having input shaft and output shaft, and this additional input shaft is connected directly to output shaft by bevel-gear sett, this provides the hand tractor with high travelling speed.
The significant deficiency of prototype variators is that prototype variators is at the design complexity needing the kinology complexity in axle, mainly countershaft, the parts making switched system and sub-component movement, the parts of switched system and sub-component be combined to the flexible link of operation unit speeds control handle.The design accepted of speed changer makes the axle with different length to use, and this needs complexity and diversified form, and axle is interconnected with the single parts of the body be usually made up of aluminum alloy.This speed changer has large size, and therefore has the materials consumption of increase.It should also be noted that the gear housing in gear housing, particularly Transport Machinery is usual by carrying out injection moulding to perform in the mould be made up of light aluminum alloy in manufacturing practice.Sometimes, housing is made by welding.In both cases, the process that housing is formed is with high costs and labour-intensive process.In a first scenario, the foundry equipment of the specific costliness needing the mould not too low with cost to be combined.In the latter case, the particular device of the form in various guide is needed, to guarantee the accuracy of positioning element in welding process.In considered speed changer, need manufacture two gear housing, described two gear housing have no something in common and have very little conformity with regard to its design and form.These housings be manufactured on economically without profit.
Model utility content
Therefore, top priority of the present utility model is to make walking tractor speed variable device design overall is simplified, and this will make the cost reduction of production, operation and maintenance.Vital task is the size of reduction speed changer and improves transmission case body component unification level.
This task solves by means of the speed changer of hand tractor, this speed changer performs with the form with the transmission device of housing, this housing has input shaft and output shaft, this input shaft and output shaft supporting gear and be bonded to each other via intermediate gear by COMM communication, the axle of intermediate gear and gear COMM communication to be arranged on the circular arc concentric with the gear of output shaft and to be connected to the gear of output shaft by gear constantly, each gear in these gears all supports at least one additional gear, its gear is incorporated in the block be arranged on the balladeur train of COMM communication, this balladeur train is mounted to make it possible to to-and-fro motion on input shaft, input shaft is connected at least one gear in gear train.In addition, output shaft is provided with chain driving sprocket wheel and hand tractor cardan shaft is provided with driven sprocket, and described chain driving sprocket wheel and the geometrical axis of driven sprocket and the geometrical axis of output shaft are positioned in a plane, and the axis of jack shaft is located relative to this plane symmetry, and two gears and chain gear are all arranged in identical housing, two-part that this housing connects by practising physiognomy are made, and described two-part identical sidepiece is mirror image each other.
Technique effect of the present utility model is: intermediate gear shaft be positioned on the circular arc concentric with the gear of output shaft and its axis about the axis of chain and the axis place of output shaft common plane symmetry arrange, thus make can by installing moveable COMM communication balladeur train and install the velocity ratio that additional driving gear obtains various combination in identical case of transmission on jack shaft when not changing the design of speed changer.In addition, this solution allows to make body portion unification to the degree making to need during fabrication an only mould.
Accompanying drawing explanation
Below shown in the accompanying drawing of specification:
-Fig. 1: the schematic diagram of the longitudinal section of a driving gear in driving gear;
-Fig. 2: about the side view of gear and chain transmission gear;
-Fig. 3: the stereogram of regulator COMM communication balladeur train;
-Fig. 4 A: the view of the left half in two-part of case of transmission;
-Fig. 4 B: the view of the right half in two-part of case of transmission.
Embodiment
The walking tractor speed variable utensil exemplarily taked has for providing two operation fltting speeds and can three intermediate gears of reverse rotation.Paragraph illustrates transmission design by the gear-driven example of gear actuation such as first below.
Speed changer (Fig. 1) comprises housing 1, is provided with input shaft 2 and carries the output shaft 3 of fixing anchoring gear 4 in the bearing support of this housing 1.Have between axle 2 and axle 3 and install and the jack shaft be arranged on the circular arc concentric with gear 4.Axle 5 and axle 6 are all connected to gear 4 by small gear 7 and small gear 8.One in the equal carrier gear 9 of each jack shaft and gear 10.These gears 11,12 are connected to each other in kinematic mode respectively and are combined in the block be arranged on COMM communication balladeur train 13, this COMM communication balladeur train 13 is mounted to make it possible to back and forth be shifted along guide rod 14 and input shaft 2, this input shaft 2 be made into splined joint and small gear 11 be mounted on this input shaft 2 by utilizing this (spline) not hindering balladeur train 13 to move.The motion of balladeur train 13 does not illustrate in the drawings.To install a pair driving sprocket wheel with the mode of gear 4 conllinear on output shaft 3, described a pair driving sprocket wheel is connected with the driven sprocket 17 be positioned on the axle 18 carrying propelling force (not illustrating in the drawings) by double-strand 16.The geometrical axis of two sprocket wheel blocks and the geometrical axis of output shaft 3 are arranged in a plane, and the axis of jack shaft is located relative to this plane symmetry.In fig. 1 and 2, heavy line 19 shows the torque transfer direction from input shaft 2 to cardan shaft 18.
Case of transmission 1 comprises two-part: right half 20 (Fig. 4 B) and left half 21 (Fig. 4 A).Each part in described part include the form of in flange connector 22 structural element and for the strengthening rib (not illustrating in the drawings) of axle bearing and lug boss 24, wherein, flange connector 22 is fitted with for bolted hole 23, is provided with the bearing of these axles in the countersink of lug boss 24.
Flange 22 covers the wall 25 of each part, and wall 25 forms the internal capacity of case of transmission, and this internal capacity is designed to arrange driving gear and chain-driven unit thereof.The form of the identical sidepiece---inner side and outer side---that part 20 is respective with part 21 is mirror image (Fig. 4 A and Fig. 4 B) each other.The structural elements of two parts all has identical size.It should be pointed out that on likely identical cross section and cross section, the shape of the structural element of two parts is also mirror image.
Speed changer is according to following operation:
By the motion of balladeur train 13, COMM communication gear 11 engages with the gear 9 be fixed on jack shaft 5.Now, the rotary transfer of drive unit to input shaft 2, gear 11, gear 9, the small gear 7 be fixed on jack shaft 5 of being with spline, and transfers to the gear 4 of output shaft 3 subsequently.Finally, moment of torsion transfers to axle 18 via Transmitted chains, and therefore transfers to the propulsion device be arranged on axle.In figure (Fig. 1, Fig. 2), moment of torsion is all represented by heavy line 19 from the transmission path of input shaft 2 to axle 18 and transmission sequence.
By making balladeur train 13 move, the second gear transmission is connected to gear 4 by input shaft 2 via kinematically relevant small gear 11 and gear 12 and usage chain transmission device and carrying out subsequently.
Reversible transmission then activates the small gear 11, gear 12, gear 10, small gear 8, the gear 4 of output shaft 3 and the chain-driven unit that are connected in series.
Industrial applicibility
The design of speed changer makes can by installing moveable COMM communication balladeur train and install the velocity ratio that extra driving gear obtains various combination in identical case of transmission on jack shaft when not changing its fundamental figure.In addition, this design allows to make body portion unanimously to the degree making to need in the fabrication process an only mould.
These situations make it possible to save sizable cost.
Claims (2)
1. a walking tractor speed variable device, described walking tractor speed variable device is designed to comprise the transmission device of the housing with input shaft and output shaft, described input shaft and described output shaft supporting gear and be interconnected via intermediate gear by means of COMM communication, it is characterized in that, intermediate gear shaft to be arranged on the circular arc concentric with the gear of described output shaft and to utilize gear to be connected to the described gear of described output shaft constantly, each axle in these axles all supports at least one additional gear shaft small gear, the gear of described axle is combined in the block be arranged on COMM communication balladeur train, described COMM communication balladeur train is mounted to make it possible to back and forth be shifted on described input shaft, described input shaft is connected with at least one small gear in described small gear group.
2. speed changer according to claim 1, it is characterized in that, described output shaft is provided with chain driving sprocket wheel and described hand tractor cardan shaft is provided with driven sprocket, and the geometrical axis of described chain driving sprocket wheel and described driven sprocket and the geometrical axis of described output shaft are arranged in same plane, and the axis of described jack shaft is arranged relative to described plane symmetry, and gear and chain-driven unit are all arranged in identical described housing, described housing is made up of the two-part connecting, and described two-part identical sidepiece is mirror image each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2015108696 | 2015-03-12 | ||
| RU2015108696 | 2015-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078738U true CN205078738U (en) | 2016-03-09 |
Family
ID=55431148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520479943.7U Active CN205078738U (en) | 2015-03-12 | 2015-07-06 | Hand tractor's derailleur |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205078738U (en) |
| WO (1) | WO2016144204A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106717664A (en) * | 2016-11-27 | 2017-05-31 | 苏州君丰辰电子科技有限公司 | A kind of linked switching device |
| CN106717661A (en) * | 2016-11-27 | 2017-05-31 | 苏州君丰辰电子科技有限公司 | Linked switching device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2048714C1 (en) * | 1992-07-24 | 1995-11-27 | Дмитрий Алексеевич Колобаев | Soil-tilling implement |
| RU1945U1 (en) * | 1994-03-11 | 1996-04-16 | Николай Иванович Евстюничев | MOTOR UNIT WHEEL DRIVE |
| JP4236166B2 (en) * | 2003-06-12 | 2009-03-11 | 本田技研工業株式会社 | Agricultural machine |
| RU147680U1 (en) * | 2014-07-16 | 2014-11-20 | Общество с ограниченной ответственностью "Академия инструмента" | MOTOBLOCK |
-
2015
- 2015-06-03 WO PCT/RU2015/000351 patent/WO2016144204A1/en active Application Filing
- 2015-07-06 CN CN201520479943.7U patent/CN205078738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106717664A (en) * | 2016-11-27 | 2017-05-31 | 苏州君丰辰电子科技有限公司 | A kind of linked switching device |
| CN106717661A (en) * | 2016-11-27 | 2017-05-31 | 苏州君丰辰电子科技有限公司 | Linked switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016144204A1 (en) | 2016-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Russian Federation, St. Petersburg Patentee after: Neva red October closed stock company Address before: Saint Petersburg Patentee before: ZAKRYTOE AKTSIONERNOE OBSCHESTVO "KRASNY OKTYABR-NEVA" |