CN208480224U - A kind of mini-tiller - Google Patents
A kind of mini-tiller Download PDFInfo
- Publication number
- CN208480224U CN208480224U CN201821144493.6U CN201821144493U CN208480224U CN 208480224 U CN208480224 U CN 208480224U CN 201821144493 U CN201821144493 U CN 201821144493U CN 208480224 U CN208480224 U CN 208480224U
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- mini
- tiller
- shaft
- turning
- bar
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Abstract
The utility model belongs to field of agricultural machinery, specifically discloses a kind of mini-tiller.A kind of mini-tiller, including vehicle frame, the vehicle frame includes headstock and the tailstock, rack gravitional force eminence is successively arranged engine, speed changer and operating assembly along headstock to tailstock direction, engine and speed changer are by band connection, and operating assembly includes operating handle, bracing wire and operating stick, and operating stick is connect with speed changer, operating handle connects engine by bracing wire, is connected with fuel tank above engine；Rack gravitional force lower is hinged with rotary tillage rotor and traveling wheel from headstock to the tailstock, and rotary tillage rotor and traveling wheel are driven by speed changer, and horizontal positioned turning-bar is rotatably connected at vehicle frame center.The utility model then rotates mini-tiller realization by operator and turns to, the purpose of the utility model is to provide the mini-tillers that one kind can complete pivot stud in tang using turning-bar and ground face contact.
Description
Technical field
The utility model belongs to field of agricultural machinery, specifically a kind of mini-tiller.
Background technique
Mini-tiller is a kind of household agricultural machinery with miniature gasoline engine or diesel engine as a source of power, and mini-tiller usually nothing multiplies
It sits by the agricultural machinery of operator's walkie fork, mini-tiller is generally applicable since its operation is simply with good climbing
In Plain, mountain area and China hilly country.The corresponding farm implements of mini-tiller fit on can be ploughed, earthing, fertilising etc. are made
Industry, mini-tiller have vast audience due to its versatility and property low in cost.
It is usually all operator by control mini-tiller handle that mini-tiller in the prior art, which turns to, to realize micro- plough
The steering of machine, and use this steering mode that there is very big hysteresis quality, it is micro- to plough after often steering handle rotates very big angle
Machine can just be deflected under the drive of itself output device, and when operation is not only time-consuming and laborious, be controlled also not flexible.
To solve the above-mentioned problems, the prior art of Chinese Publication No. CN204518367U, discloses a kind of mini-tiller
Steering system, including traveling box are equipped with a horizontal drive shaft, the both ends of the horizontal drive shaft axle body in traveling box lower box
It is connected respectively by a separator disk with two output axle shafts, the separator disk is sheathed in horizontal drive shaft and output axle shaft simultaneously,
Several ball were equipped with around separator disk one week in the part that separator disk is overlapped with output axle shaft, a steel is respectively equipped in each ball
Ball；It is connected by a steering driver plate with separator disk in one end that output axle shaft protrudes into traveling box lower box, is being turned on the inside of driver plate
Clutch pressure spring is turned to equipped with one, two steering shift forks are additionally provided in traveling box lower box, pulls clutch bracing wire, edge is able to drive and turns
Axial movement to driver plate, and drive and turn to the direction movement that driver plate turns to clutch pressure spring towards compression.
Although above-mentioned technical proposal is pulled using clutch line and turns to shift fork, mini-tiller is saved the time required to steering,
It is when mini-tiller works in hilly country or off-barring the cane, since hilly country topography is winding, that reserves in arable land turns
It is less to space, and off-barring the cane is generally only 35 centimetres or so, takes above scheme to complete steering in above-mentioned area extremely tired
Difficulty, while many seedling can be rolled, cause economic loss.And so that mini-tiller is completed pivot stud in tang becomes
Urgent problem to be solved.
Utility model content
The purpose of the utility model is to provide the mini-tillers that one kind can complete pivot stud in tang.
To achieve the goals above, it includes vehicle frame that the utility model, which is a kind of mini-tiller, and the vehicle frame includes headstock and vehicle
Tail, the gravitional force eminence of rack are successively arranged engine, speed changer and operating assembly along headstock to tailstock direction, engine with
Speed changer uses band connection, and operating assembly includes operating handle, bracing wire and operating stick, and operating stick is connect with speed changer, operation handlebar
Hand connects engine by bracing wire, is connected with fuel tank above engine；Rack gravitional force lower is hinged with from headstock to the tailstock
Rotary tillage rotor and traveling wheel, rotary tillage rotor and traveling wheel are driven by speed changer, are rotatably connected at vehicle frame center horizontal positioned
Turning-bar, the length of the turning-bar are greater than the height of rack and ground, and turning-bar includes shaft and support frame, support frame as described above
It successively include swingle, rotation axis, turntable and stabilizer blade from headstock to the tailstock, shaft is rotatablely connected vehicle frame, swingle one end and bar
Body rotation connection, the swingle other end are fixedly connected with rotation axis, and turntable is close by the one side and rotation axis connection, turntable of near-car head
The tailstock is fixedly connected with stabilizer blade on one side, and the diameter of the turntable is greater than the diameter of shaft.
The technical principle of this programme are as follows: operator starts the engine of mini-tiller, and engine is driven by belt at this time
Speed changer, then speed changer drives traveling wheel and the operation of rotary tillage rotor, and operator at this time hold operating handle and push by both hands
Mini-tiller moves ahead, and the arable land that the rotary tillage rotor of mini-tiller at work passes through mini-tiller is opened up wasteland.
When operator controls mini-tiller turning, external force is applied to turning-bar first, is rotated by 90 ° turning-bar, at this time
Turning-bar turns to vertical position by horizontal position, since the length of turning-bar is greater than the height of rack and ground, so turning to
The traveling wheel of mini-tiller is detached from the contact with ploughing when bar is contacted with arable land, and mini-tiller and the fulcrum on ground become turning-bar at this time
The then hand steered operating handle of operator drives mini-tiller to rotate around turning-bar, completes the steering of mini-tiller.
When using the above scheme, 1. operators drive mini-tiller to complete pivot stud by fulcrum of turning-bar, relative to
The prior art of Publication No. CN204518367U can be controlled using operator when the technical program by the deflection of itself
The deflection angle of mini-tiller.
2. relative to the prior art turned to using steering mechanism, even if using the ridge cultivated when the technical program
Topography it is narrow, if can be achieved with turning to by mini-tiller, while using the technical program turned to when efficient quick,
Steering gear ratio reduces the hysteresis quality of steering close to 1 to 1.
3. when locating ridge uneven, support frame can lead to simultaneously because the shaft and support frame of turning-bar are rotatablely connected
Rotation adaptation landform by a small margin is crossed, the center of gravity position of mini-tiller is kept, avoids mini-tiller when turning to due to center of gravity
It deviates and turns on one's side.
4. the use of turntable structure at least 3 effects in the present invention act as connector, connection rotation first
Axis and stabilizer blade, followed by circumferential torque undertakes part, finally has limit snap-in function, because the diameter of turntable is greater than shaft
Diameter, so the stabilizer blade connecting with turntable is when supporting mini-tiller, it is axial support torque biography to be handed to turntable by stabilizer blade after, turntable
The relative position of stabilizer blade and shaft is kept, stabilizer blade is not shunk because of stress, strengthens stability and safety.
Further, the shaft is provided with threaded hole, and articulation bolt is connected in threaded hole, and turning-bar is connected by articulation bolt
Pick frame, is hinged with limited block in the middle part of shaft, tension spring is connected between limited block and articulation bolt.
When tension spring is stretched to maximum length, turning-bar reaches range, and then operator is by limited block to left avertence
It moves, tension spring is bent by limited block at this time, and since itself is bent, the distance between tension spring two fixing points are less than the drawing of tension spring
The amount of stretching, and the tension spring restoring moment generated and the line segment formed between two fixed endpoints are not arranged on the same straight line, so drawing
Spring is fixed at this time, and turning-bar keeps self-locking state.
The stroke of turning-bar is defined using the length of spring when the technical program, simultaneously because the design of limited block makes to turn
Self-locking state is kept when to bar as mini-tiller and the fulcrum on ground, improves safety when steering.
Further, the inside engaging of shaft has a ball bearing, and shaft inner wall is close in ball bearing outer ring, ball bearing it is interior
Circle interference fit swingle.
Ball bearing outer ring rotating is successively driven after the steering force that shaft is applied by operator, due to ball bearing
Structure extends the service life of swingle, simultaneously so the swingle engaged with ball bearing inner ring is not influenced by peripheral force
Due to use ball bearing connection shaft and swingle, the circumferential movement of swingle and shaft is relatively independent.
Further, the stabilizer blade is triangle stabilizer blade.
Due to using triangular supports, triangle has stability, and triangular supports fall in the center of gravity of mini-tiller always
The triangle interior that triangular supports are constituted keeps mini-tiller to stablize, improves the bearing capacity and stability of stabilizer blade.
Further, the shaft is provided with threaded hole, and articulation bolt is connected in threaded hole, and turning-bar is connected by articulation bolt
Pick frame.
Due to the connection type using articulation bolt, kept relative stability using shaft when the technical program with rack same
When turning-bar can also be circumferentially rotated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the turning-bar structural schematic diagram of Fig. 1；
Fig. 3 is the full sectional view of Fig. 2.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description include: rack 1, engine 2, speed changer 3, odontoid belt 4, operating handle 5,
Bracing wire 6, operating stick 7, fuel tank 8, rotary tillage rotor 9, traveling wheel 10, turning-bar 11, articulation bolt 112, limited block 113, tension spring
114, ball bearing 115, swingle 116, support frame 117, rotation axis 118, turntable 119, triangle stabilizer blade 120.
Embodiment is substantially as shown in Fig. 1: a kind of mini-tiller includes rack 1, and successively screw thread connects 1 top of rack from left to right
It is connected to engine 2, speed changer 3 and operating assembly, odontoid belt 4 is connected between engine 2 and speed changer 3；Operating assembly packet
Operating handle 5, bracing wire 6 and operating stick 7 are included, operating stick 7 is connect with speed changer 3, and operating handle 5 connects engine by bracing wire 6
2, the fuel tank 8 for filling fuel is connected with above engine 2；1 lower section of rack is hinged with rotary tillage rotor 9 and traveling wheel from left to right
10, rotary tillage rotor 9 and traveling wheel 10 are driven by speed changer 3, are threaded between rotary tillage rotor 9 and traveling wheel 10 horizontal positioned
Turning-bar 11, the length of turning-bar 11 is greater than the height of rack 1 and ground.
As shown in attached drawing 2 and attached drawing 3: turning-bar 11 includes shaft, and shaft right end is provided with threaded hole, is connected in threaded hole
Articulation bolt 112, turning-bar 11 connect rack 1 by articulation bolt 112.Limited block 113, limited block are hinged in the middle part of shaft
Tension spring 114 is connected between 113 and articulation bolt 112, the inside engaging of shaft has ball bearing 115,115 outer ring of ball bearing
It is close to shaft inner wall, the inner ring interference fit of ball bearing 115 has swingle 116, and the right of swingle 116 is welded with support frame
117, support frame 117 from left to right successively include rotation axis 118, turntable 119 and triangle stabilizer blade 120,118 left end of rotation axis with
Swingle 116 welds, and 118 right end of rotation axis welds turntable 119, and the diameter of turntable 119 is greater than the diameter of shaft, turntable 119
Right is threaded with triangle stabilizer blade 120.
Specific implementation process is as follows:
Operator starts the engine 2 of mini-tiller, and engine 2 drives speed changer 3 by odontoid belt 4 at this time, then
Speed changer 3 runs traveling wheel 10 and rotary tillage rotor 9, and operator is before both hands hold operating handle 5 and push mini-tiller at this time
Row, the arable land that the rotary tillage rotor 9 of mini-tiller at work passes through mini-tiller is opened up wasteland, when needing to adjust rotary tillage rotor 9
When revolving speed, it is only necessary to change the transmission ratio of speed changer 3 by operating stick 7.
When controlling mini-tiller turning, operator applies external force to turning-bar 11 first, keeps turning-bar 11 suitable from top to bottom
Hour hands are rotated by 90 °, as shown in Figure 1, turning-bar 11 turns to vertical position by horizontal position at this time, when turning-bar 11 is rotating
When, limited block 113 and 11 rotating Vortex of turning-bar, the tension spring 114 connecting at this time with limited block 113 are stretched, when tension spring 114 is drawn
Turning-bar 11 reaches range when extending to maximum length, and then operator deviates limited block 113 to the left, at this time limited block
113 are bent tension spring 114, and since itself is bent, the distance between 114 two fixing points of tension spring are less than the drawing of tension spring 114
The amount of stretching, and the restoring moment generated of tension spring 114 and the line segment formed between two fixed endpoints are not arranged on the same straight line, so
Tension spring 114 is fixed at this time, and turning-bar 11 keeps self-locking state.
Since the length of turning-bar 11 is greater than the height of rack 1 and ground, ploughed so turning-bar 11 and arable land are micro- when contacting
The traveling wheel 10 of machine is detached from the contact with ploughing, and mini-tiller and the fulcrum on ground become turning-bar 11 at this time, and turning-bar 11 rotates
The triangular supports of connection make the center of gravity of mini-tiller fall in the triangle interior of triangular supports composition always, keep mini-tiller steady
It is fixed.The then hand steered operating handle 5 of operator drives mini-tiller rotation, completes the steering of mini-tiller.
Start to turn to after mini-tiller stress, successively drives ball bearing after the steering force that shaft is applied by operator
115 outer ring rotatings, due to the structure of ball bearing 115, so the swingle 116 engaged with 115 inner ring of ball bearing is not by week
It is influenced to power, extends the service life of swingle 116, simultaneously because connecting shaft and swingle using ball bearing 115
116, swingle 116 and the circumferential movement of shaft are relatively independent, when swingle 116 supports mini-tiller, due to the injustice on ridge ground
Swingle 116 can generate rotation to be by a small margin adapted to landform, when swingle 116 generates rotation due to adaptation landform, no
The center of gravity that will affect mini-tiller entirety shifts.
It completes operator after turning to only to need to the right to pull limited block 113, limited block 113 unlocks mould at this time
Formula, the restoring force that tension spring 114 generates drive turning-bar 11 to return back to horizontal position.
Above-described is only the embodiments of the present invention, the common sense such as well known specific technical solution or characteristic in scheme
It does not describe excessively herein.It should be pointed out that for those skilled in the art, not departing from technical solutions of the utility model
Under the premise of, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these are not
It will affect the effect and patent practicability of the utility model implementation.This application claims protection scope should be with its claim
Content subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (5)
1. a kind of mini-tiller, it is characterised in that: including vehicle frame, the vehicle frame includes headstock and the tailstock；
Rack gravitional force eminence is successively arranged engine, speed changer and operating assembly from headstock to tailstock direction, engine with
Speed changer uses band connection, and operating assembly includes operating handle, bracing wire and operating stick, and operating stick is connect with speed changer, operation handlebar
Hand connects engine by bracing wire, is connected with fuel tank above engine；Rack gravitional force lower is successively cut with scissors from headstock to the tailstock
It is connected to rotary tillage rotor and traveling wheel, rotary tillage rotor and traveling wheel are driven by speed changer, be rotatably connected to level at vehicle frame center and put
The turning-bar set, the length of the turning-bar are greater than the terrain clearance of rack, and turning-bar includes shaft and support frame, the support
Frame is successively arranged swingle, rotation axis, turntable and stabilizer blade from headstock to the tailstock, and shaft is rotatablely connected vehicle frame, swingle one end with
Shaft rotation connection, the swingle other end are fixedly connected with rotation axis, and turntable is leaned on by the one side and rotation axis connection, turntable of near-car head
The nearly tailstock is fixedly connected with stabilizer blade on one side, and the diameter of the turntable is greater than the diameter of shaft.
2. a kind of mini-tiller according to claim 1, it is characterised in that: be hinged with limited block in the middle part of the shaft, limit
Tension spring is connected between block and vehicle frame.
3. a kind of mini-tiller according to claim 2, it is characterised in that: the inside engaging of shaft has ball bearing, ball
Bearing outer ring is close to shaft inner wall, and the inner ring of ball bearing is interference fitted swingle.
4. a kind of mini-tiller according to claim 3, it is characterised in that: the stabilizer blade is triangle stabilizer blade.
5. a kind of mini-tiller according to claim 4, it is characterised in that: the shaft is provided with threaded hole, connects in threaded hole
It is connected to articulation bolt, turning-bar connects rack by articulation bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144493.6U CN208480224U (en) | 2018-07-17 | 2018-07-17 | A kind of mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144493.6U CN208480224U (en) | 2018-07-17 | 2018-07-17 | A kind of mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208480224U true CN208480224U (en) | 2019-02-12 |
Family
ID=65246558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821144493.6U Expired - Fee Related CN208480224U (en) | 2018-07-17 | 2018-07-17 | A kind of mini-tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208480224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684229A (en) * | 2018-07-17 | 2018-10-23 | 重庆卓格豪斯机械有限公司 | A kind of mini-tiller |
-
2018
- 2018-07-17 CN CN201821144493.6U patent/CN208480224U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684229A (en) * | 2018-07-17 | 2018-10-23 | 重庆卓格豪斯机械有限公司 | A kind of mini-tiller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20190717 |