CN203387848U - Micro-cultivator - Google Patents
Micro-cultivator Download PDFInfo
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- CN203387848U CN203387848U CN201320464266.2U CN201320464266U CN203387848U CN 203387848 U CN203387848 U CN 203387848U CN 201320464266 U CN201320464266 U CN 201320464266U CN 203387848 U CN203387848 U CN 203387848U
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Abstract
The utility model discloses a micro-cultivator. A toothed plate (4) is fixed at the bottom of a transverse section of the front end of a handrail frame (1), a clamping pin (5) is clamped into one of the clamping grooves (4a) of the toothed plate and is arranged on a hand spanner (6), and the front end of the hand spanner (6) is hinged to a base (3a); the bottom portion of the front end of a handrail seat (3) is inserted into a positioning column (10), a plurality of positioning holes (11b) are formed in a top plate (11a) of a vertical pipe seat (11), the lower end of a lifting rod (13) extends into a positioning pipe (12) and is connected with the upper end of an extensible head (14), and the lower end of the extensible head (14) is inserted into one of the positioning holes (11b) of the top plate (11a). According to the micro-cultivator, the vertical height and the horizontal position of the handrail frame can be adjusted as needed, and the operation is convenient and reliable. The micro-cultivator is convenient to install and maintain, low in power loss, high in transmission efficiency and strong in shock-resistant capacity; the transmission is stable and reliable and gears or boxes can be effectively prevented from being damaged by striking.
Description
Technical field
The utility model belongs to agricultural machinery technological field, specifically, and particularly a kind of mini-size tillage machine.
Background technology
In order to facilitate the people of differing heights to operate, the handrail on mini-size tillage machine generally can be adjusted height up and down as required; And in order to adapt to the action need of different occasions, handrail can also be adjusted position, left and right as required.Existing handrails of micro-cultivator all regulates respectively up and down height and position, left and right by Liang Ge fluted disc mechanism, and not only structure is comparatively complicated, and production cost is high, and the convenience of adjustment operation and reliability poor.
In addition, between driving shaft in transmission box for tiller and output shaft, conventionally adopt chain to carry out transferring power, not only complex structure, cost is high, installation and maintenance are difficult, and kinetic equation loss is larger, transmission efficiency is low, impact resistance is little, and chain also easily elongates, is out of shape even and breaks, and makes casing have the hidden danger of being broken.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of and controls conveniently, reliable mini-size tillage machine.
The technical solution of the utility model is as follows: a kind of mini-size tillage machine, comprise arm-rest frame (1), guard shield (2), armrest seat (3), vertical tube socket (11), large of power (18), transmission case (19), power assembly (20) and resistance rod (21), described guard shield (2) is fixedly installed on the tail end of armrest seat (3), below at armrest seat (3) front end is provided with the top that this vertical tube socket of vertical tube socket (11) (11) is installed on transmission case (19), the rear end of the casing of described transmission case (19) and power large (18) fixes, at large (18) upper support power assembly of power (20), power assembly (20) is connected with transmission case (19) by pulley mechanism, resistance rod (21) is installed at rear at described transmission case (19), the bilateral symmetry of transmission case (19) lower end is installed road wheel (22) or cultivated cutter, its key is: the crosspiece of described arm-rest frame (1) front end passes through from guard shield (2), crosspiece and the guard shield (2) of arm-rest frame (1) front end are hinged, and be fixed with tooth plate (4) in the bottom of arm-rest frame (1) front end crosspiece, the lower end of this tooth plate (4) has a plurality of draw-in grooves (4a) that circular arc distributes of pressing, bayonet lock (5) snaps in one of them draw-in groove (4a), this bayonet lock (5) is arranged on hand and pulls on (6), hand pulls the front end of (6) and the base (3a) of armrest seat (3) rear end is hinged, between described bayonet lock (5) and armrest seat (3), be provided with extension spring (7), one end of this extension spring (7) and bayonet lock (5) articulate, the other end of extension spring (7) articulates mutually with the tail end of armrest seat (3),
Locating dowel (10) is inserted in the bottom of described armrest seat (3) front end, both matched in clearance, locating dowel (10) is vertically fixed on the top board (11a) of vertical tube socket (11), and on top board (11a), have a plurality of by the locating holes (11b) of even circumferential distribution, the place ahead at described armrest seat (3) front end arranges positioning pipe (12), the lower end of lifting arm (13) is stretched in positioning pipe (12), and be connected with the upper end of telescopic head (14), insert in one of them locating hole (11b) lower end of described telescopic head (14), on described lifting arm (13), be arranged with stage clip (15), the end face butt of the lower end of this stage clip (15) and telescopic head (14), the fixing catch (16) in the upper end of stage clip (15) and positioning pipe (12) top connects.
Adopt above technical scheme, bayonet lock snaps in one of them draw-in groove, arm-rest frame is positioned, extension spring under the effect of its elastic force, make bayonet lock and tooth plate clamping tight, to prevent that arm-rest frame from shaking.When needs adjustable handrail when height up and down, first with hand assistant Ban rear end, hand is pulled and driven bayonet lock to leave corresponding draw-in groove, follow and lift or press down arm-rest frame, arm-rest frame is turned an angle around guard shield, arm-rest frame band moving tooth plate rotates together, make another draw-in groove on tooth plate turn to the position of corresponding bayonet lock, finally unclamp hand and pull, under the effect of extension spring screen resilience, bayonet lock snaps in new draw-in groove, again completes the location after arm-rest frame height regulates.As can be seen here, the up-down adjustment mechanism structure of arm-rest frame is simple, easy to assembly, and production cost is low, and height adjustment operation is not only convenient but also quick up and down on the one hand; On the other hand, the scope highly regulating is up and down larger, and the good reliability regulating.
Telescopic head inserts in one of them locating hole, and armrest seat is positioned, and stage clip makes the top board of telescopic head and vertical tube socket peg graft closely under the effect of its elastic force, to prevent that armrest seat from shaking.When position, needs adjustable handrail left and right, first, carry lifting arm, make lifting arm drive telescopic head to leave corresponding locating hole, follow rotary handle frame to the left or to the right, arm-rest frame is turned an angle around locating dowel together with armrest seat, armrest seat drives positioning pipe, lifting arm and telescopic head to rotate together, make telescopic head turn to the position of another locating hole on corresponding top board, finally unclamp lifting arm, under the effect of stage clip screen resilience, lifting arm and telescopic head are descending, and telescopic head inserts in new locating hole, again complete the location after the position adjustments of armrest seat left and right.As can be seen here, the left-right adjusting mechanism of above-mentioned handrail is simple in structure, easy to assembly, and production cost is low, and position adjustments operation in left and right is not only convenient but also quick on the one hand; On the other hand, the scope of left and right position adjustments is larger, and the good reliability regulating.
Described transmission case (19) has casing (23), this casing (23) is the uncovered monolithic construction in upper end, upper end at casing (23) is supported with main shaft (24) by bearing, one end level of this main shaft (24) is stretched out outside casing (23), described main shaft (24) is positioned on the axle body of casing (23) and is set with variable block gear (25), this variable block gear (25) is duplicate gear, and can be in the upper slippage of main shaft (24);
In described casing (23), be provided with the first gear (26) that can be meshed with variable block gear (25), second gear (27) and reverse gear (28), described first gear (26) and second gear (27) are placed on countershaft (29) admittedly, this countershaft (29) parallels with main shaft (24), countershaft (29) is supported in casing (23) by bearing, in one end of described countershaft (29), be provided with drive pinion (30), this drive pinion (30) is meshed with transmission gear wheel (31), described transmission gear wheel (31) is set in one end of driving shaft (32), other end empty set reverse gear (28) at driving shaft (32), this reverse gear (28) often meshes with first gear (26), at described driving shaft (32), be positioned on the axle body between transmission gear wheel (31) and reverse gear (28) and be set with input gear (33), this input gear (33) is meshed with large gap bridge tooth (34), described large gap bridge tooth (34) kink is on large bridge shaft (35), and the tooth (34) of passing a bridge greatly meshes with the first little gap bridge tooth (36) of its below, described the first little gap bridge tooth (36) kink is on the first little bridge shaft (37), this first little gap bridge tooth (36) meshes with the second little gap bridge tooth (38) of its below, described the second little gap bridge tooth (38) kink is on the second little bridge shaft (39), and the second little gap bridge tooth (38) meshes with the output gear (40) of its below, described output gear (40) is positioned at the inside of casing (23) lower end, and output gear (40) is placed on the centre position of output shaft (41) admittedly, described output shaft (41) supports mutually by two bearings that are arranged side by side and casing (23), oppositely stretch out outside casing (23) at the two ends of output shaft (41), in the end of output shaft (41), road wheel (22) or cultivated cutter is installed.
Between driving shaft in the utility model and output shaft, adopt a plurality of carrier gears to carry out transferring power, not only kinetic equation loss is little, and transmission efficiency is high, and strong shock resistance, and stable drive, reliable, can effectively prevent that gear or casing from being broken.Transmission case compact overall structure, volume are small and exquisite, install and safeguard all very simple; The utlity model has two forward gears and the gear that falls back, can carry out as required gear switching, can meet on the one hand the use needs of different occasions, on the other hand, gear switches not only convenient but also steady, handling good.
Described arm-rest frame (1) is " U " shape of front end closed rear end opening, by pipe bending, is formed, and the width of arm-rest frame (1) increases from front to back gradually; Low early and high after being obliquely installed of described arm-rest frame (1), and the rear end of arm-rest frame (1) bends downwards.Above structure is not only easy to processing and fabricating, and is conducive to the hand steered operation of complete machine, makes hand steered operation convenient and labor-saving.
The crosspiece of described arm-rest frame (1) front end is hinged by two of the left and right U bolt being arranged side by side and guard shield (2), and the end face of guard shield (2) is stretched out at two of each U bolt upper end, by acorn nut (8), is locked.The good stability that above structure arm-rest frame is installed, and arm-rest frame rotate flexibly while highly regulating up and down, reliable.
The crosspiece of the upper end of described tooth plate (4) by half slot and arm-rest frame (1) front end fits fixing, and both contacts area are larger like this, engages closely, and fixing is good, and tooth plate is difficult for occurring loosening or comes off.
The front end that described hand is pulled (6) is prong structure, and base (3a) is arranged in the prong that hand is pulled (6) front end, and by pin, is undertaken hingedly, and the rear end of pulling (6) at described hand is installed with gum cover (9).Above structure is conducive on the one hand hand and pulls installation, hand is only pulled and at above-below direction, rotated; On the other hand, by holding gum cover operator, pull, comfortableness is better.
As preferably, make to hold gum cover more comfortable, and avoid skidding, the diameter at described gum cover (9) middle part is maximum, and the orient diameter from gum cover (9) middle part to two ends reduces gradually, and is evenly distributed with from front to back annular groove on the excircle of gum cover (9).
At the rear side fixing and locking clamp (17) of described armrest seat (3) front bottom end, on this locking clamp (17), be formed with Ka Tai, described card decometer enters in the annular groove of offering in locating dowel (10).Above structure, when not affecting the rotation of armrest seat relative positioning post, can prevent that armrest seat from upper and lower play occurring.
The lower end of described lifting arm (13) and telescopic head (14) threaded engagement, both easy accessibility like this, it is firm to connect; Upper end at lifting arm (13) is provided with drop handle, so that control lifting arm.
Easier in order to make telescopic head insert locating hole, on described top board (11a), have 10 locating holes (11b), this locating hole (11b) is kidney-shaped.
Beneficial effect: the utility model is height and the position, left and right up and down of adjustable handrail frame as required, and not only adjustable range is larger, and operation is not only convenient but also reliable; The utility model overall structure is simple, compact, and volume is small and exquisite, installs and safeguards conveniently, and on the one hand kinetic equation loss is little, and transmission efficiency is high, strong shock resistance; On the other hand, stable drive, reliable, can effectively prevent that gear or casing from being broken.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that arm-rest frame is Shang Xia 1 and left and right adjusting structural representation.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the cut-away view of transmission case.
Fig. 5 is the vertical view of Fig. 4.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, Figure 2, Figure 3 shows, arm-rest frame 1 is " U " shape of front end closed rear end opening, by pipe bending, is formed, and the width of arm-rest frame 1 increases from front to back gradually; Low early and high after being obliquely installed of described arm-rest frame 1, and the rear end of arm-rest frame 1 bends downwards, and the concrete angle of bending is determined according to actual needs.The crosspiece of described arm-rest frame 1 front end passes through from guard shield 2, the crosspiece of arm-rest frame 1 front end is hinged by two of the left and right U bolt being arranged side by side and guard shield 2, the end face of guard shield 2 is stretched out at two of each U bolt upper end, by acorn nut 8, locked, and guard shield 2 is by being welded and fixed the tail end that is arranged at armrest seat 3.
As shown in Figure 1, Figure 2, Figure 3 shows, in the bottom of arm-rest frame 1 front end crosspiece, be provided with tooth plate 4, the upper end of this tooth plate 4 fits fixing by the crosspiece of half slot and arm-rest frame 1 front end.In the lower end of tooth plate 4, have a plurality of draw-in groove 4a, the number of draw-in groove 4a is definite according to actual needs, and the present embodiment is preferably 4, and these draw-in grooves 4a is distributed on same circular arc, and the distance between two adjacent draw-in groove 4a equates.Below described guard shield 2, hand is set and pulls 6, it is prong structure that hand is pulled 6 front end, and the base 3a of armrest seat 3 rear ends is arranged in the prong that hand is pulled 6 front ends, and base 3a and hand is pulled 6 hinged by the pin that laterally wears.
As shown in Figure 2 and Figure 3, pull 6 middle part be fixed with a bayonet lock 5 at hand, this bayonet lock 5 is along lateral arrangement, and bayonet lock 5 snaps in one of them draw-in groove 4a of tooth plate.Between described bayonet lock 5 and armrest seat 3, be provided with extension spring 7, one end of this extension spring 7 and bayonet lock 5 articulate, and the other end of extension spring 7 articulates mutually with the tail end of armrest seat 3.At described hand, pull 6 rear end and be installed with gum cover 9, the diameter at these gum cover 9 middle parts is maximum, and the orient diameter from gum cover 9 middle parts to two ends reduces gradually, and is evenly distributed with from front to back annular groove on the excircle of gum cover 9.
As shown in Figure 2 and Figure 3, locating dowel 10 is inserted in the bottom of armrest seat 3 front ends, both matched in clearance, locating dowel 10 is vertically fixed on the top board 11a of vertical tube socket 11, and on top board 11a, having a plurality of locating hole 11b that distribute by even circumferential, these locating holes 11b is looped around the outside of armrest seat 3 front bottom end.In the present embodiment, the number of locating hole 11b is preferably 10, and locating hole 11b is preferably kidney-shaped.The place ahead at described armrest seat 3 front ends is fixedly installed positioning pipe 12, this positioning pipe 12 parallels with locating dowel 10, lifting arm 13 stretches into lower end in positioning pipe 12, this lifting arm 13 lower end is threaded with telescopic head 14 upper end, and described telescopic head 14 inserts in one of them locating hole 11b lower end.In described lifting arm 13 upper end, drop handle is installed, and be arranged with stage clip 15 on described lifting arm 13, this stage clip 15 is positioned at positioning pipe 12, the end face butt of stage clip 15 lower end and telescopic head 14, and the fixing catch 16 in stage clip 15 upper end and positioning pipe 12 tops connects.Rear side fixing and locking clamp 17 in described armrest seat 3 front bottom end, is formed with Ka Tai on this locking clamp 17, and described card decometer enters in the annular groove of offering in locating dowel 10.
As shown in Figure 1, Figure 4, Figure 5, vertical tube socket 11 is installed on transmission case 19 top, casing 23 and the power great Jia18 rear end of described transmission case 19 fix, at large 18 upper support power assemblies 20 of power, power assembly 20 is connected with transmission case 19 by pulley mechanism, resistance rod 21 is installed at described transmission case 19 rear, and the both sides of transmission case 19 lower ends arrange road wheel 22 or cultivated cutter.The structure of described power assembly 20, power assembly 20 are prior art with the connected mode of transmission case 19 and the mounting structure of resistance rod 21, and therefore not to repeat here.
As shown in Figure 1, Figure 4, Figure 5, transmission case 19 has casing 23, the monolithic construction that this casing 23Wei upper end is uncovered, and casing 23 upper end is by hard-wired vertical tube socket 11 sealings.In casing 23 upper end, by bearing, be supported with main shaft 24, this main shaft 24 one end level is stretched out outside casing 23, and is connected with the output of power assembly 20 by pulley mechanism.Described main shaft 24 is positioned on the axle body of casing 23 and is set with variable block gear 25, and this variable block gear 25 is duplicate gear, has two fluted discs of size.Variable block gear 25 and main shaft 24 spline fitted, on the excircle at variable block gear 25 middle parts, be provided with annular groove, annular groove phase clamping on the fork of shift fork 42 and variable block gear 25, the shank of shift fork 42 and declutch shift shaft 43 fix, described declutch shift shaft 43 is supported on casing 23, and parallel with main shaft 24, declutch shift shaft 43 stretches out outside casing 23 one end, and is connected with the handgrip on arm-rest frame 1 by drag-line.Declutch shift shaft 43 can move axially, and when declutch shift shaft 43 moves, drives the slippage on main shaft 24 of variable block gear 25, to change engagement object by shift fork 42.
As shown in Figure 4, Figure 5, in described casing 23, be provided with first gear 26, second gear 27 and the reverse gear 28 that can be meshed with variable block gear 25, described first gear 26 and second gear 27 are placed on countershaft 29 admittedly, this countershaft 29 parallels with main shaft 24, and countershaft 29 is supported in casing 23 by bearing.In described countershaft 29 one end, be provided with drive pinion 30, this drive pinion 30 is meshed with transmission gear wheel 31, described transmission gear wheel 31 is set in driving shaft 32 one end, and at the other end empty set reverse gear 28 of driving shaft 32, this reverse gear 28 often meshes with first gear 26.
As Fig. 4, shown in Fig. 5, at described driving shaft 32, on the axle body between transmission gear wheel 31 and reverse gear 28, be set with input gear 33, this input gear 33 is meshed with large gap bridge tooth 34, described large gap bridge tooth 34 kinks are on large bridge shaft 35, and the tooth 34 of passing a bridge greatly meshes with the first little gap bridge tooth 36 of its below, described the first little gap bridge tooth 36 kinks are on the first little bridge shaft 37, this first little gap bridge tooth 36 meshes with the second little gap bridge tooth 38 of its below, described the second little gap bridge tooth 38 kinks are on the second little bridge shaft 39, and the second little gap bridge tooth 38 meshes with the output gear 40 of its below.Described output gear 40 is positioned at the inside of casing 23 lower ends, and output gear 40 is placed on output shaft 41 centre position admittedly, described output shaft 41 supports mutually by two bearings that are arranged side by side and casing 23, output shaft 41 oppositely stretches out at two ends outside casing 23, and road wheel 22 or cultivated cutter are installed in output shaft 41 end.
The utility model is to realize like this handrail highly to regulate up and down:
First grasping gum cover 9 depresses hand and pulls 6 rear end, make hand pull 6 drive bayonet locks 5 and leave corresponding draw-in groove 4a, then on, lift or press down arm-rest frame 1, arm-rest frame 1 is turned an angle around guard shield 2, and arm-rest frame 1 band moving tooth plate 4 rotates together, makes another draw-in groove 4a on tooth plate 4 turn to the position of corresponding bayonet lock 5, finally unclamp hand and pull 6, under the effect of extension spring 7 screen resiliences, bayonet lock 5 snaps in new draw-in groove 4a, again completes the location after arm-rest frame 1 highly regulates.
The utility model is to realize like this handrail left and right position adjustments:
First by carrying lifting arm 13 on drop handle, make lifting arm 13 drive telescopic head 14 to leave corresponding locating hole 11b, follow rotary handle frame 1 to the left or to the right, arm-rest frame 1 is turned an angle around locating dowel 10 together with armrest seat 3, armrest seat 3 drives positioning pipe 12, lifting arm 13 and telescopic head 14 rotate together, make telescopic head 14 turn to upper another locating hole 11b of corresponding top board 11a position, finally unclamp lifting arm 13, under the effect of stage clip 15 screen resiliences, lifting arm 13 and telescopic head 14 are descending, telescopic head 14 inserts in new locating hole 11b, again complete the location after armrest seat 3 left and right position adjustments.
The utlity model has two forward gears and the gear that falls back, be respectively:
When variable block gear 25 meshes with first gear 26, the power of main shaft 24 drives first gear 26 to rotate by variable block gear 25, first gear 26 drives countershaft 29 and drive pinion 30 rotations, drive pinion 30 drives driving shaft 32 and input gear 33 to rotate by transmission gear wheel 31 again, input gear 33 passes to output gear 40 through the large little gap bridge tooth 36 of gap bridge tooth 34, first and the second little gap bridge tooth 38 successively by power, and output shaft 41 is rotated; In above process, reverse gear 28 idle running.
When variable block gear 25 meshes with second gear 27, the power of main shaft 24 drives second gear 27 to rotate by variable block gear 25, second gear 27 drives countershaft 29 and drive pinion 30 rotations, drive pinion 30 drives driving shaft 32 and input gear 33 to rotate by transmission gear wheel 31 again, input gear 33 passes to output gear 40 through the large little gap bridge tooth 36 of gap bridge tooth 34, first and the second little gap bridge tooth 38 successively by power, and output shaft 41 is rotated; In above process, reverse gear 28 idle running.
When variable block gear 25 meshes with reverse gear 28, the power of main shaft 24 drives reverse gear 28 to rotate by variable block gear 25, reverse gear 28 drives countershaft 29 and drive pinion 30 rotations by first gear 26, drive pinion 30 drives driving shaft 32 and input gear 33 to rotate by transmission gear wheel 31 again, input gear 33 passes to output gear 40 through the large little gap bridge tooth 36 of gap bridge tooth 34, first and the second little gap bridge tooth 38 successively by power, makes output shaft 41 reversions.
Shift control mechanism of the present utility model and gearshift mode are same as the prior art, and therefore not to repeat here.
Claims (10)
1. a mini-size tillage machine, comprise arm-rest frame (1), guard shield (2), armrest seat (3), vertical tube socket (11), large of power (18), transmission case (19), power assembly (20) and resistance rod (21), described guard shield (2) is fixedly installed on the tail end of armrest seat (3), below at armrest seat (3) front end is provided with the top that this vertical tube socket of vertical tube socket (11) (11) is installed on transmission case (19), the rear end of the casing of described transmission case (19) and power large (18) fixes, at large (18) upper support power assembly of power (20), power assembly (20) is connected with transmission case (19) by pulley mechanism, resistance rod (21) is installed at rear at described transmission case (19), the bilateral symmetry of transmission case (19) lower end is installed road wheel (22) or cultivated cutter, it is characterized in that: the crosspiece of described arm-rest frame (1) front end passes through from guard shield (2), crosspiece and the guard shield (2) of arm-rest frame (1) front end are hinged, and be fixed with tooth plate (4) in the bottom of arm-rest frame (1) front end crosspiece, the lower end of this tooth plate (4) has a plurality of draw-in grooves (4a) that circular arc distributes of pressing, bayonet lock (5) snaps in one of them draw-in groove (4a), this bayonet lock (5) is arranged on hand and pulls on (6), hand pulls the front end of (6) and the base (3a) of armrest seat (3) rear end is hinged, between described bayonet lock (5) and armrest seat (3), be provided with extension spring (7), one end of this extension spring (7) and bayonet lock (5) articulate, the other end of extension spring (7) articulates mutually with the tail end of armrest seat (3),
Locating dowel (10) is inserted in the bottom of described armrest seat (3) front end, both matched in clearance, locating dowel (10) is vertically fixed on the top board (11a) of vertical tube socket (11), and on top board (11a), have a plurality of by the locating holes (11b) of even circumferential distribution, the place ahead at described armrest seat (3) front end arranges positioning pipe (12), the lower end of lifting arm (13) is stretched in positioning pipe (12), and be connected with the upper end of telescopic head (14), insert in one of them locating hole (11b) lower end of described telescopic head (14), on described lifting arm (13), be arranged with stage clip (15), the end face butt of the lower end of this stage clip (15) and telescopic head (14), the fixing catch (16) in the upper end of stage clip (15) and positioning pipe (12) top connects.
2. mini-size tillage machine according to claim 1, it is characterized in that: described transmission case (19) has casing (23), this casing (23) is the uncovered monolithic construction in upper end, upper end at casing (23) is supported with main shaft (24) by bearing, one end level of this main shaft (24) is stretched out outside casing (23), described main shaft (24) is positioned on the axle body of casing (23) and is set with variable block gear (25), and this variable block gear (25) is duplicate gear, and can be in the upper slippage of main shaft (24);
In described casing (23), be provided with the first gear (26) that can be meshed with variable block gear (25), second gear (27) and reverse gear (28), described first gear (26) and second gear (27) are placed on countershaft (29) admittedly, this countershaft (29) parallels with main shaft (24), countershaft (29) is supported in casing (23) by bearing, in one end of described countershaft (29), be provided with drive pinion (30), this drive pinion (30) is meshed with transmission gear wheel (31), described transmission gear wheel (31) is set in one end of driving shaft (32), other end empty set reverse gear (28) at driving shaft (32), this reverse gear (28) often meshes with first gear (26),
At described driving shaft (32), be positioned on the axle body between transmission gear wheel (31) and reverse gear (28) and be set with input gear (33), this input gear (33) is meshed with large gap bridge tooth (34), described large gap bridge tooth (34) kink is on large bridge shaft (35), and the tooth (34) of passing a bridge greatly meshes with the first little gap bridge tooth (36) of its below, described the first little gap bridge tooth (36) kink is on the first little bridge shaft (37), this first little gap bridge tooth (36) meshes with the second little gap bridge tooth (38) of its below, described the second little gap bridge tooth (38) kink is on the second little bridge shaft (39), and the second little gap bridge tooth (38) meshes with the output gear (40) of its below,
Described output gear (40) is positioned at the inside of casing (23) lower end, and output gear (40) is placed on the centre position of output shaft (41) admittedly, described output shaft (41) supports mutually by two bearings that are arranged side by side and casing (23), oppositely stretch out outside casing (23) at the two ends of output shaft (41), in the end of output shaft (41), road wheel (22) or cultivated cutter is installed.
3. mini-size tillage machine according to claim 1 and 2, is characterized in that: described arm-rest frame (1) is " U " shape of front end closed rear end opening, by pipe bending, is formed, and the width of arm-rest frame (1) increases from front to back gradually; Low early and high after being obliquely installed of described arm-rest frame (1), and the rear end of arm-rest frame (1) bends downwards.
4. mini-size tillage machine according to claim 3, it is characterized in that: the crosspiece of described arm-rest frame (1) front end is hinged by two of the left and right U bolt being arranged side by side and guard shield (2), the end face of guard shield (2) is stretched out at two of each U bolt upper end, by acorn nut (8), is locked.
5. according to the mini-size tillage machine described in claim 1 or 4, it is characterized in that: the upper end of described tooth plate (4) fits fixing by the crosspiece of half slot and arm-rest frame (1) front end.
6. mini-size tillage machine according to claim 1, it is characterized in that: the front end that described hand is pulled (6) is prong structure, base (3a) is arranged in the prong that hand is pulled (6) front end, and by pin, is undertaken hingedly, and the rear end of pulling (6) at described hand is installed with gum cover (9).
7. mini-size tillage machine according to claim 6, is characterized in that: the diameter at described gum cover (9) middle part is maximum, and the orient diameter from gum cover (9) middle part to two ends reduces gradually, and is evenly distributed with from front to back annular groove on the excircle of gum cover (9).
8. mini-size tillage machine according to claim 1, it is characterized in that: at the rear side fixing and locking clamp (17) of described armrest seat (3) front bottom end, on this locking clamp (17), be formed with Ka Tai, described card decometer enters in the annular groove of offering in locating dowel (10).
9. mini-size tillage machine according to claim 1, is characterized in that: the lower end of described lifting arm (13) and telescopic head (14) threaded engagement, be provided with drop handle in the upper end of lifting arm (13).
10. according to the mini-size tillage machine described in claim 1 or 8 or 9, it is characterized in that: on described top board (11a), have 10 locating holes (11b), this locating hole (11b) is kidney-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464266.2U CN203387848U (en) | 2013-07-31 | 2013-07-31 | Micro-cultivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464266.2U CN203387848U (en) | 2013-07-31 | 2013-07-31 | Micro-cultivator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387848U true CN203387848U (en) | 2014-01-15 |
Family
ID=49899418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320464266.2U Expired - Fee Related CN203387848U (en) | 2013-07-31 | 2013-07-31 | Micro-cultivator |
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| Country | Link |
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| CN (1) | CN203387848U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103355012A (en) * | 2013-07-31 | 2013-10-23 | 重庆嘉木机械有限公司 | Mini-tiller |
| CN104071238A (en) * | 2014-06-23 | 2014-10-01 | 重庆嘉木机械有限公司 | Arrangement structure for handgrip seat, rear wheel assembly and transmission case of portable micro ploughing machine |
| CN111684872A (en) * | 2020-05-29 | 2020-09-22 | 南京浦裕投资有限公司 | Agricultural mechanical soil turning tool |
-
2013
- 2013-07-31 CN CN201320464266.2U patent/CN203387848U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103355012A (en) * | 2013-07-31 | 2013-10-23 | 重庆嘉木机械有限公司 | Mini-tiller |
| CN104071238A (en) * | 2014-06-23 | 2014-10-01 | 重庆嘉木机械有限公司 | Arrangement structure for handgrip seat, rear wheel assembly and transmission case of portable micro ploughing machine |
| CN104071238B (en) * | 2014-06-23 | 2017-01-04 | 重庆嘉木机械有限公司 | A kind of portable tiller handle bracket, rear wheel assembly and transmission case arrangement |
| CN111684872A (en) * | 2020-05-29 | 2020-09-22 | 南京浦裕投资有限公司 | Agricultural mechanical soil turning tool |
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