CN203996439U - Portable tiller rear wheel assembly and transmission gearbox arrangement structure - Google Patents
Portable tiller rear wheel assembly and transmission gearbox arrangement structure Download PDFInfo
- Publication number
- CN203996439U CN203996439U CN201420338413.6U CN201420338413U CN203996439U CN 203996439 U CN203996439 U CN 203996439U CN 201420338413 U CN201420338413 U CN 201420338413U CN 203996439 U CN203996439 U CN 203996439U
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- supervisor
- trailing wheel
- mounting hole
- rectangular
- bend pipe
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Abstract
The utility model discloses a kind of portable tiller rear wheel assembly and transmission gearbox arrangement structure, crossbeam (2) fixes with the upper end of front frame (16), the two ends, left and right of front frame (16) bottom are connected with the top of screw drive case (15) front end by bolt, the left and right sides in transverse tube (7) back lower place is symmetrical arranged trailing wheel (12), this trailing wheel (12) is set in the end of wheel shaft (13) rotationally, on wheel shaft (13), be symmetrically arranged with two rectangular (14), left and right, rectangular (14) are connected with the second trailing wheel mounting hole (5e) on the first trailing wheel mounting hole (6a) or bend pipe (5) on respective side inclined tube (6) by bolt.The utility model trailing wheel can be packed up as required or put down, and retractable operation is simple, quick, can effectively improve the work efficiency of tiller; Screw drive case adopts horizontal installation, can further reduce tiller volume, and the installation of screw drive case firmly, reliably, and stationarity is good.
Description
Technical field
The utility model belongs to tiller technical field, specifically, and the particularly rear wheel assembly on tiller and transmission gearbox arrangement structure.
Background technology
Tiller is the agriculture apparatus of New Times, have lightweight, volume is little, the feature such as simple in structure, be widely used in the nonirrigated farmland, paddy field, orchard on Plain, mountain area, hills etc., mix corresponding facility and can draw water, generate electricity, spray the operation such as medicine, spray, also can draw towed vehicle and carry out short-distance transport.Tiller has stronger alerting ability, can freely travel in field, user-friendly and deposit, and has saved large-scale farm machinery and cannot enter the worry of mountain area field, for peasant has saved the plenty of time in busy farming season.
Frame is the vitals on tiller, is the skeleton of tiller, for arranging dynamic assembly, ploughing the parts such as cutter, handgrip.Existing tiller frame not only complex structure, processing and fabricating difficulty, productive costs is high, and it is large to take up room, and can increase the volume of whole tiller, is unfavorable for that tiller develops to miniaturization.
The road wheel of tiller and cultivated cutter are to be all optionally arranged on transmission case output shaft: in the time that tiller is walked, road wheel is assembled on transmission case output shaft; In the time of tiller farming, first road wheel is removed, then will plough cutter and be assembled on transmission case output shaft, after completing, farming is reinstalled again road wheel.Above structure is dismounting complex operation not only, and staff's labour intensity is large, and can greatly reduce the work efficiency of tiller.
What the dynamic assembly on tiller was selected conventionally is vertical engine, and correspondingly screw drive case is also vertical installation, and worm box mounting process is comparatively complicated so on the one hand, and fixing is poor; On the other hand, worm box takes up room larger in frame, also can increase the volume of whole tiller.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple in structure, compact portable tiller rear wheel assembly and transmission gearbox arrangement structure.
The technical solution of the utility model is as follows: a kind of portable tiller rear wheel assembly and transmission gearbox arrangement structure, comprise screw drive case (15) and frame, described frame has supervisor (1), this supervisor (1) is " U " shape of front end closed rear end opening, supervisor's (1) front end is upturned, form bumper/spoiler (1a), front portion between (1) two horizontal segment of supervisor is provided with crossbeam (2), the end of this crossbeam (2) is welded and fixed with the pipe shaft of the corresponding horizontal segment of supervisor (1), and crossbeam (2) fixes with the upper end of front frame (16), the two ends, left and right of front frame (16) bottom are connected with the top of screw drive case (15) front end by bolt, input shaft and the output shaft of screw drive case (15) are arranged on horizontal surface, middle part between (1) two horizontal segment of supervisor is provided with supporting plate (3), the end of this supporting plate (3) is welded and fixed with the pipe shaft of the corresponding horizontal segment of supervisor (1), tail end plug at every horizontal segment of described supervisor (1) is equipped with plug (4), the rear portion of plug (4) offers mounting hole on handle bracket (4a) along left and right directions,
Below at supervisor (1) every horizontal segment rear portion is provided with bend pipe (5), this bend pipe (5) is " V " shape, by the first straight section (5a), arc transition section (5b) and the second straight section (5c) are connected in turn, the bottom welding of the upper end of described the first straight section (5a) and supervisor (1) respective side horizontal segment is fixed, offer mounting hole under handle bracket (5d) in the bottom of the first straight section (5a), and between first straight section (5a) of the right and left bend pipe (5), be provided with locating plate (10) and lower locating plate (11), the end of these two locatings plate and respective side bend pipe (5) fix, the aft end face of described screw drive case (15) abuts in locating plate (10) and lower locating plate (11) is upper, and the bolt that screw drive case (15) wears by fore-and-aft direction is fixed together with upper locating plate (10) and lower locating plate (11) respectively,
Be equipped with inclined tube (6) at the rear of every bend pipe (5), after the front height of inclined tube (6), low dip is arranged, the bottom welding of the upper end of inclined tube (6) and supervisor (1) respective side horizontal segment tail end is fixed, between two inclined tubes in left and right (6), be provided with transverse tube (7), the end of the lower end of inclined tube (6) and transverse tube (7) fixes, the rear end of the right and left bend pipe (5) second straight sections (5c) is welded on transverse tube (7), offer the first trailing wheel mounting hole (6a) at the middle part of described inclined tube (6), on second straight section (5c) of bend pipe (5), offer the second trailing wheel mounting hole (5e), the same side the first trailing wheel mounting hole (6a) equates to the distance of transverse tube (7) with the second trailing wheel mounting hole (5e) to the distance of transverse tube (7),
The left and right sides in described transverse tube (7) back lower place is symmetrical arranged trailing wheel (12), this trailing wheel (12) is set in the end of wheel shaft (13) rotationally, on wheel shaft (13), be symmetrically arranged with two rectangular (14), left and right, these two rectangular (14) are corresponding one by one with two inclined tubes (6), one end vertical welding of described rectangular (14) is on wheel shaft (13), the middle part of rectangular (14) is hinged by the end of pin and transverse tube (7), the other end of rectangular (14) is connected with the second trailing wheel mounting hole (5e) on the first trailing wheel mounting hole (6a) or bend pipe (5) on respective side inclined tube (6) by bolt.
Adopt above technical scheme, whole support assembly moulding is simple, compact conformation, and volume is small and exquisite, is not only easy to processing and fabricating, and is conducive to tiller and develops to miniaturization; Between each adjacent tubes of formation frame, adopt welding manner to fix, the fixing of connection is good.Supervisor's front end upwarps formation bumper/spoiler, can play on the one hand the effect of protection, prevents from bumping and damaging driving engine with the object in front; On the other hand, bumper/spoiler can, for grasping, in the time that tiller clears the jumps, be convenient to portablely, makes tiller clear an obstacle more convenient.Supporting plate is for supporting engines, and it is upper that two ends of bearing plate is welded in supervisor, the good stability of supporting engines.
After supervisor's horizontal segment, on the plug of end plug dress, offer mounting hole under the handle bracket of offering on mounting hole and bend pipe the first straight section on handle bracket and be used for installing handle bracket, make its installation convenient, firm; Plug can prevent from being responsible for horizontal segment rear end and flatten.Bend pipe is " V " shape, and processing and fabricating is easy, connects supervisor firm with transverse tube.Between the bend pipe of the right and left, be provided with locating plate and lower locating plate, can strengthen on the one hand the structural strength of the right and left bend pipe, prevent that bend pipe is towards relative Direction distortion; On the other hand, two locatings plate are used for the aft end face of positioning screw transmission gearbox, make screw drive case adopt horizontal layout, and be arranged in the anterior below of supervisor, effectively utilized the space of supervisor's lower front, and screw drive case is combined with frame closely, can effectively reduces the volume of tiller; Screw drive case front end adopts front frame suspention to be installed on crossbeam, and aft end face abuts on two locatings plate, and is connected with two locatings plate by bolt, and screw drive case fitting operation is very easy like this, can guarantee the fixing that screw drive case is installed.
Trailing wheel, wheel shaft and rectangular composition rear wheel assembly, this rear wheel assembly has packs up and puts down two states.In the time that the fastening point of rectangular is connected with the first trailing wheel mounting hole by bolt, trailing wheel is in down state, and now tiller can, by front end perk, be walked as supporting taking trailing wheel, not only walks convenient, and has saved the trouble that cutter is ploughed in dismounting; When unclamping the binding bolt of rectangular, rear wheel assembly is rotated to an angle, then when the fastening point of rectangular is connected with the second trailing wheel mounting hole by bolt, trailing wheel is in collapsed state, now can carry out farming operation, and trailing wheel can not cause any adverse effect to farming.The utility model, for rear wheel assembly provides alternative attachment point, make trailing wheel assembling simple, and switching state is easy to operate, quick, thereby has greatly improved the convenience that tiller uses.
As preferably, between described bumper/spoiler (1a) and supervisor's (1) horizontal segment, there is the angle of 130-150 °.
For the ease of processing and fabricating, increase crossbeam structural strength, prevent distortion, described crossbeam (2) is rectangular flat structure, the front of crossbeam (2) and back be bending downwards all, form flange, and two strip holes (2a) side by side about having on crossbeam (2).
For increase supporting plate structural strength, prevent distortion, be convenient to install driving engine adjusting position, described supporting plate (3) is rectangular flat structure, the front of supporting plate (3) and back be bending downwards all, form flange, and on supporting plate (3), have by the rectangular distribution four bar holes (3a).
The right part of locating plate (10) end face is welded with block (9) on described, and this block (9) is pane structure.Block moulding is simple, be easy to make and install, and the fixing that block is installed on upper locating plate is good; Block is for spacing to belt-tensioner arm, to prevent that belt-tensioner arm and belt guard from interfering.
Beneficial effect: the utility model not only moulding is simple, compact conformation, volume is small and exquisite, and processing and fabricating is easy, and cost is low, and is convenient to the layouts such as driving engine, screw drive case, trailing wheel, and being conducive to tiller develops to miniaturization; Trailing wheel can be packed up as required or put down, and retractable operation is simple, quick, can effectively improve the work efficiency of tiller; Screw drive case adopts horizontal installation, can further reduce tiller volume, and the installation of screw drive case firmly, reliably, and stationarity is good.
Brief description of the drawings
Fig. 1 is the constitution diagram that trailing wheel puts down.
Fig. 2 is the constitution diagram that trailing wheel is packed up.
Fig. 3 is the structural representation of frame.
Fig. 4 is the birds-eye view of Fig. 3.
Fig. 5 is the left view of Fig. 3.
Fig. 6 is wheel shaft and rectangular structural representation.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, frame by being responsible for 1, crossbeam 2, supporting plate 3, plug 4, bend pipe 5, inclined tube 6, transverse tube 7, locating bush 8, block 9, upper locating plate 10 and lower locating plate 11 etc. form.Wherein, supervisor 1 is " U " shape of front end closed rear end opening, and this supervisor's 1 front end is upturned, and forms bumper/spoiler 1a.Except bumper/spoiler 1a, supervisor 1 remainder is the horizontal segment that the right and left is arranged symmetrically with, and between described bumper/spoiler 1a and supervisor 1 horizontal segment, has the angle of 130-150 °.Front portion between 1 two horizontal segments of supervisor is provided with crossbeam 2, and crossbeam 2 is rectangular flat structure, and the end of this crossbeam 2 is welded and fixed with the pipe shaft of supervisor's 1 corresponding horizontal segment.The front of crossbeam 2 and back be bending downwards all, forms flange, and two strip hole 2a side by side about having on crossbeam 2.Front frame 16 is set below crossbeam 2, and bolt, through the strip hole 2a on crossbeam 2 and the assembly opening on front frame 16, is arranged on front frame 16 suspentions on crossbeam 2.The two ends, left and right of front frame 16 bottoms are connected with the top of screw drive case 15 front ends by bolt, and screw drive case 15 adopts horizontal layout, and input shaft and the output shaft of screw drive case 15 are arranged on horizontal surface.
As shown in Figure 3, Figure 4, the middle part between 1 two horizontal segments of supervisor is provided with supporting plate 3, and this supporting plate 3 is rectangular flat structure, and the end of supporting plate 3 is welded and fixed with the pipe shaft of supervisor's 1 corresponding horizontal segment.On supporting plate 3, have by the rectangular distribution four bar hole 3a, the front of supporting plate 3 and back be bending downwards all, forms flange.Tail end at supervisor's 1 every horizontal segment is equipped with plug 4, and supervisor 1 tail end is filled in and be fixed in the front portion of plug 4, offers mounting hole 4a on handle bracket at the rear portion of plug 4 along left and right directions.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the below at supervisor 1 every horizontal segment rear portion is provided with bend pipe 5, the bend pipe 5 of the right and left is symmetrical.Bend pipe 5 is " V " shape, is connected in turn by the first straight section 5a, arc transition section 5b and the second straight section 5c.The first straight section 5a of bend pipe 5 vertically arranges, the upper end of this first straight section 5a is fixed with the bottom welding of supervisor's 1 respective side horizontal segment.Offer mounting hole 5d under handle bracket in the bottom of the first straight section 5a, under this handle bracket, mounting hole 5d is used for being connected handle bracket with mounting hole 4a on handle bracket.Between the first straight section 5a of the right and left bend pipe 5, be provided with the upper locating plate 10 and the lower locating plate 11 that are parallel to each other, end and the respective side bend pipe 5 of these two locatings plate 10,11 are welded and fixed.The aft end face of screw drive case 15 abuts on locating plate 10 and lower locating plate 11, and the bolt that screw drive case 15 wears by fore-and-aft direction is fixed together with upper locating plate 10 and lower locating plate 11 respectively.Right part at upper locating plate 10 end faces is welded with block 9, and this block 9 is pane structure, and block 9 is for spacing to belt-tensioner arm.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the second straight section 5c of bend pipe 5 is positioned at the rear side of the first straight section 5a, and second straight section 5c is low early and high after is in tilted layout.Be equipped with inclined tube 6 at the rear of every bend pipe 5, after the front height of inclined tube 6, low dip is arranged, the inclined tube 6 of the right and left is symmetrical.The upper end of inclined tube 6 is fixed with the bottom welding of supervisor's 1 respective side horizontal segment tail end, between the inclined tube 6 of two of left and right, be provided with transverse tube 7, the end of the lower end of inclined tube 6 and transverse tube 7 is welded and fixed, the rear end of the right and left bend pipe 5 second straight section 5c is welded on the corresponding end of transverse tube 7, and the bend pipe 5 of the same side, inclined tube 6 are in the same plane.Offer the first trailing wheel mounting hole 6a at the middle part of inclined tube 6, offer the second trailing wheel mounting hole 5e on the second straight section 5c of bend pipe 5, the same side the first trailing wheel mounting hole 6a equates to the distance of transverse tube 7 with the second trailing wheel mounting hole 5e to the distance of transverse tube 7.Dead aft at described transverse tube 7 middle parts arranges locating bush 8, and this locating bush 8 is welded on transverse tube 7, and locating bush 8 is for installing resistance rod.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 6, be symmetrical arranged trailing wheel 12 in the left and right sides of transverse tube 7 back lower places, this trailing wheel 12 is set in the end of wheel shaft 13 rotationally.On wheel shaft 13, be symmetrically arranged with two rectangular 14 of left and right, this two rectangular 14 corresponding one by one with two inclined tubes 6.The rear end vertical welding of described rectangular 14 is on wheel shaft 13, the middle part of rectangular 14 is hinged by the end of pin and transverse tube 7, the front end of rectangular 14 is connected with the first trailing wheel mounting hole 6a on respective side inclined tube 6 by bolt, and now trailing wheel is down state (seeing Fig. 1); Or the front end of rectangular 14 is connected with the second trailing wheel mounting hole 5e on respective side bend pipe 5 by bolt, now trailing wheel is collapsed state (seeing Fig. 2).
Claims (5)
1. a portable tiller rear wheel assembly and transmission gearbox arrangement structure, comprise screw drive case (15) and frame, it is characterized in that: described frame has supervisor (1), this supervisor (1) is " U " shape of front end closed rear end opening, supervisor's (1) front end is upturned, form bumper/spoiler (1a), front portion between (1) two horizontal segment of supervisor is provided with crossbeam (2), the end of this crossbeam (2) is welded and fixed with the pipe shaft of the corresponding horizontal segment of supervisor (1), and crossbeam (2) fixes with the upper end of front frame (16), the two ends, left and right of front frame (16) bottom are connected with the top of screw drive case (15) front end by bolt, input shaft and the output shaft of screw drive case (15) are arranged on horizontal surface, middle part between (1) two horizontal segment of supervisor is provided with supporting plate (3), the end of this supporting plate (3) is welded and fixed with the pipe shaft of the corresponding horizontal segment of supervisor (1), tail end plug at every horizontal segment of described supervisor (1) is equipped with plug (4), the rear portion of plug (4) offers mounting hole on handle bracket (4a) along left and right directions,
Below at supervisor (1) every horizontal segment rear portion is provided with bend pipe (5), this bend pipe (5) is " V " shape, by the first straight section (5a), arc transition section (5b) and the second straight section (5c) are connected in turn, the bottom welding of the upper end of described the first straight section (5a) and supervisor (1) respective side horizontal segment is fixed, offer mounting hole under handle bracket (5d) in the bottom of the first straight section (5a), and between first straight section (5a) of the right and left bend pipe (5), be provided with locating plate (10) and lower locating plate (11), the end of these two locatings plate and respective side bend pipe (5) fix, the aft end face of described screw drive case (15) abuts in locating plate (10) and lower locating plate (11) is upper, and the bolt that screw drive case (15) wears by fore-and-aft direction is fixed together with upper locating plate (10) and lower locating plate (11) respectively,
Be equipped with inclined tube (6) at the rear of every bend pipe (5), after the front height of inclined tube (6), low dip is arranged, the bottom welding of the upper end of inclined tube (6) and supervisor (1) respective side horizontal segment tail end is fixed, between two inclined tubes in left and right (6), be provided with transverse tube (7), the end of the lower end of inclined tube (6) and transverse tube (7) fixes, the rear end of the right and left bend pipe (5) second straight sections (5c) is welded on transverse tube (7), offer the first trailing wheel mounting hole (6a) at the middle part of described inclined tube (6), on second straight section (5c) of bend pipe (5), offer the second trailing wheel mounting hole (5e), the same side the first trailing wheel mounting hole (6a) equates to the distance of transverse tube (7) with the second trailing wheel mounting hole (5e) to the distance of transverse tube (7),
The left and right sides in described transverse tube (7) back lower place is symmetrical arranged trailing wheel (12), this trailing wheel (12) is set in the end of wheel shaft (13) rotationally, on wheel shaft (13), be symmetrically arranged with two rectangular (14), left and right, these two rectangular (14) are corresponding one by one with two inclined tubes (6), one end vertical welding of described rectangular (14) is on wheel shaft (13), the middle part of rectangular (14) is hinged by the end of pin and transverse tube (7), the other end of rectangular (14) is connected with the second trailing wheel mounting hole (5e) on the first trailing wheel mounting hole (6a) or bend pipe (5) on respective side inclined tube (6) by bolt.
2. portable tiller rear wheel assembly according to claim 1 and transmission gearbox arrangement structure, is characterized in that: between described bumper/spoiler (1a) and supervisor's (1) horizontal segment, have the angle of 130-150 °.
3. portable tiller rear wheel assembly according to claim 1 and 2 and transmission gearbox arrangement structure, it is characterized in that: described crossbeam (2) is rectangular flat structure, the front of crossbeam (2) and back be bending downwards all, form flange, and two strip holes (2a) side by side about having on crossbeam (2).
4. portable tiller rear wheel assembly according to claim 1 and 2 and transmission gearbox arrangement structure, it is characterized in that: described supporting plate (3) is rectangular flat structure, the front of supporting plate (3) and back be bending downwards all, form flange, and on supporting plate (3), have by the rectangular distribution four bar holes (3a).
5. portable tiller rear wheel assembly according to claim 1 and transmission gearbox arrangement structure, it is characterized in that: the right part of locating plate (10) end face is welded with block (9) on described, and this block (9) is pane structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338413.6U CN203996439U (en) | 2014-06-23 | 2014-06-23 | Portable tiller rear wheel assembly and transmission gearbox arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338413.6U CN203996439U (en) | 2014-06-23 | 2014-06-23 | Portable tiller rear wheel assembly and transmission gearbox arrangement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203996439U true CN203996439U (en) | 2014-12-10 |
Family
ID=52036483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420338413.6U Expired - Fee Related CN203996439U (en) | 2014-06-23 | 2014-06-23 | Portable tiller rear wheel assembly and transmission gearbox arrangement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203996439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071227A (en) * | 2014-06-23 | 2014-10-01 | 重庆嘉木机械有限公司 | Arrangement structure for back wheel assembly and transmission box of portable micro ploughing machine |
-
2014
- 2014-06-23 CN CN201420338413.6U patent/CN203996439U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071227A (en) * | 2014-06-23 | 2014-10-01 | 重庆嘉木机械有限公司 | Arrangement structure for back wheel assembly and transmission box of portable micro ploughing machine |
| CN104071227B (en) * | 2014-06-23 | 2016-07-06 | 重庆嘉木机械有限公司 | A kind of portable tiller rear wheel assembly and transmission case arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150623 |
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| EXPY | Termination of patent right or utility model |