CN103355012A - Mini-tiller - Google Patents
Mini-tiller Download PDFInfo
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- CN103355012A CN103355012A CN2013103290213A CN201310329021A CN103355012A CN 103355012 A CN103355012 A CN 103355012A CN 2013103290213 A CN2013103290213 A CN 2013103290213A CN 201310329021 A CN201310329021 A CN 201310329021A CN 103355012 A CN103355012 A CN 103355012A
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Abstract
The invention discloses a mini-tiller, wherein a tooth plate (4) is fixedly arranged at the bottom at the front-end transverse segment of a handrail frame (1), a clamping pin (5) is clamped into one clamping slot (4a) of the tooth plate, the clamping pin (5) is arranged on a spanner (6), and the front end of the spanner (6) is hinged to a pedestal (3a); and the bottom at the front end of a handrail seat (3) is sleeved 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 a telescopic head (14), and the lower end of the telescopic head (14) is inserted into one positioning hole (11b). According to the mini-tiller, the upper-lower height and the left-right position of the handrail frame can be adjusted as required, so that the mini-tiller is convenient and reliable to operate; on one hand, the mini-tiller has the advantages of convenience in installation and maintenance, small power loss, high transmission efficiency and strong impact-resisting capability; and on the other hand, the mini-tiller is steady and reliable in transmission, and gears or a box body can be effectively prevented from being broken.
Description
Technical field
The invention belongs to agricultural machinery technological field, specifically, particularly a kind of mini-size tillage machine.
Background technology
For the people who makes things convenient for differing heights operates, the handrail on the mini-size tillage machine generally can both be adjusted up and down height as required; And in order to adapt to the action need of different occasions, handrail can also be adjusted position, the left and right sides as required.Existing handrails of micro-cultivator is all regulated respectively up and down height and position, the left and right sides by two fluted disc mechanisms, and not only structure is comparatively complicated, and production cost is high, and the convenience of Adjustment operation and reliability are relatively poor.
In addition, usually adopt chain to come transferring power between driving shaft in the transmission box for tiller and the output shaft, not only complex structure, cost are high, installation and maintenance are difficult, and kinetic equation loss is larger, transmission efficiency is low, impact resistance is little, and chain also elongates easily, is out of shape even breaks, so that casing has the hidden danger of being broken.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of and controls conveniently, reliable mini-size tillage machine.
Technical scheme of the present invention 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 is pulled 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, and 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) vertically is fixed on the top board (11a) of vertical tube socket (11), and have a plurality of locating holes (11b) that distribute by even circumferential at top board (11a), the place ahead at described armrest seat (3) front end arranges positioning pipe (12), the lower end of lifting arm (13) is stretched in the 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), be arranged with stage clip (15) at described lifting arm (13), 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, and arm-rest frame is positioned, and extension spring makes bayonet lock and tooth plate clamping tight under the effect of its elastic force, shakes to prevent arm-rest frame.When needs adjustable handrail when height up and down, the rear end of pulling with the hand assistant first, make hand pull the drive bayonet lock and 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 the tooth plate turn to the position of corresponding bayonet lock, unclamp at last hand and pull, under the effect of extension spring screen resilience, bayonet lock snaps in the new draw-in groove, again finishes the location after the arm-rest frame height is regulated.This shows that the up-down adjustment mechanism structure of arm-rest frame is simple, easy to assembly, production cost is low, and the height Adjustment operation is not only convenient but also quick up and down on the one hand; On the other hand, the scope of highly regulating up and down is larger, and the good reliability of 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, shakes to prevent armrest seat.When position, the needs adjustable handrail left and right sides, carry lifting arm first, make lifting arm drive telescopic head and leave corresponding locating hole, follow to the left or to the right rotary handle frame, arm-rest frame is turned an angle around locating dowel together with armrest seat, armrest seat drives positioning pipe, lifting arm and telescopic head and rotates together, make telescopic head turn to the position of another locating hole on the corresponding top board, unclamp at last lifting arm, under the effect of stage clip screen resilience, lifting arm and telescopic head are descending, and telescopic head inserts in the new locating hole, again finish the location after the position adjustments of the armrest seat left and right sides.This shows that the left-right adjusting mechanism of above-mentioned handrail is simple in structure, and is easy to assembly, production cost is low, and position adjustments operation in the left and right sides is not only convenient but also quick on the one hand; On the other hand, the scope of left and right sides position adjustments is larger, and the good reliability of 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, the one end level of this main shaft (24) is stretched out outside the 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 the countershaft (29) admittedly, this countershaft (29) parallels with main shaft (24), countershaft (29) is supported in the casing (23) by bearing, end at described countershaft (29) is provided with drive pinion (30), this drive pinion (30) is meshed with transmission gear wheel (31), described transmission gear wheel (31) is set in an end of driving shaft (32), at the other end empty set reverse gear (28) of driving shaft (32), this reverse gear (28) and the normal engagement of first gear (26); The axle body that is positioned between transmission gear wheel (31) and the reverse gear (28) at described driving shaft (32) is 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 first little gap bridge tooth (36) engagement of pass a bridge greatly tooth (34) and its below, the described 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, the described second little gap bridge tooth (38) kink is on the second little bridge shaft (39), and output gear (40) engagement of the second little gap bridge tooth (38) and its below; Described output gear (40) is positioned at the inside of casing (23) lower end, and output gear (40) is placed in 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 the 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.
Adopt a plurality of carrier gears to come transferring power between driving shaft among the present invention and the output shaft, not only kinetic equation loss is little, and transmission efficiency is high, and strong shock resistance, and stable drive, reliable can prevent effectively that gear or casing from being broken.Transmission case compact overall structure, volume are small and exquisite, install and safeguard all very simple; The present invention has two forward gears and the gear that falls back, and can carry out as required gear and switch, and can satisfy on the one hand the use needs of different occasions, and 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, is formed by the pipe bending, 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 not only is 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 by about two U bolts that are arranged side by side and guard shield (2) be hinged, the end face of guard shield (2) is stretched out at two of each U bolt upper end, is locked by acorn nut (8).The good stability that above structure arm-rest frame is installed, and arm-rest frame rotate flexibly when 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 occuring loosening or comes off.
The front end that described hand is pulled (6) is the prong structure, and base (3a) is arranged in the prong that hand is pulled (6) front end, and is undertaken hingedly by pin, 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 rotated at above-below direction; On the other hand, pull by holding the gum cover operator, comfortableness is better.
As preferably, make that 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, be formed with Ka Tai on this locking clamp (17), described card decometer enters in the annular groove of offering on the locating dowel (10).Above structure can prevent that armrest seat from up and down play occuring when not affecting the rotation of armrest seat relative positioning post.
The lower end of described lifting arm (13) and telescopic head (14) threaded engagement, such both easy accessibility, it is firm to connect; Upper end at lifting arm (13) is equipped with drop handle, so that control lifting arm.
Easier in order to make telescopic head insert locating hole, have 10 locating holes (11b) at described top board (11a), this locating hole (11b) is kidney-shaped.
Beneficial effect: the present invention is up and down height and the position, the left and right sides of adjustable handrail frame as required, and not only adjustable range is larger, and operation is not only convenient but also reliable; Overall structure of the present invention 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 prevent effectively that gear or casing from being broken.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is that arm-rest frame 1 reaches up and down the 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
The invention will be further described below in conjunction with drawings and Examples:
Such as Fig. 1, Fig. 2, shown in Figure 3, arm-rest frame 1 is " U " shape of front end closed rear end opening, is formed by the pipe bending, and the width of arm-rest frame 1 increases from front to back gradually; Described arm-rest frame 1 low early and high after being obliquely installed, 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 by about two U bolts that are arranged side by side and guard shield 2 be hinged, the end face of guard shield 2 is stretched out at two of each U bolt upper end, by acorn nut 8 lockings, and guard shield 2 is by being welded and fixed the tail end that is arranged at armrest seat 3.
Such as Fig. 1, Fig. 2, shown in Figure 3, be provided with tooth plate 4 in the bottom of arm-rest frame 1 front end crosspiece, the upper end of this tooth plate 4 fits fixing by the crosspiece of half slot and arm-rest frame 1 front end.Have a plurality of draw-in groove 4a in the lower end of tooth plate 4, the number of draw-in groove 4a determines that according to actual needs present embodiment is preferably 4, and these draw-in grooves 4a is distributed on the same circular arc, and the distance between the two adjacent draw-in groove 4a equates.Below described guard shield 2 hand is set and pulls 6, it is the 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.
Such as Fig. 2, shown in Figure 3, to pull 6 middle part at hand and be fixed with a bayonet lock 5, this bayonet lock 5 is along lateral arrangement, and bayonet lock 5 snaps among one of them draw-in groove 4a of tooth plate.Be provided with extension spring 7 between described bayonet lock 5 and armrest seat 3, an end and the bayonet lock 5 of this extension spring 7 articulate, and the other end of extension spring 7 articulates mutually with the tail end of armrest seat 3.Pull 6 rear end at described hand 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.
Such as Fig. 2, shown in Figure 3, locating dowel 10 is inserted in the bottom of armrest seat 3 front ends, both matched in clearance, locating dowel 10 vertically is fixed on the top board 11a of vertical tube socket 11, and having a plurality of locating hole 11b that distribute by even circumferential at top board 11a, 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, the lower end of lifting arm 13 is stretched in the positioning pipe 12, the lower end of this lifting arm 13 is threaded with the upper end of telescopic head 14, and insert among one of them locating hole 11b the lower end of described telescopic head 14.Upper end at described lifting arm 13 is equipped with drop handle, and be arranged with stage clip 15 at described lifting arm 13, this stage clip 15 is positioned at positioning pipe 12, the end face butt of the lower end of stage clip 15 and telescopic head 14, and the fixing catch 16 in the upper end of stage clip 15 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 on the locating dowel 10.
Such as Fig. 1, Fig. 4, shown in Figure 5, vertical tube socket 11 is installed on the top of transmission case 19, the rear end that casing 23 and the power of described transmission case 19 is large 18 fixes, 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 rear at described transmission case 19, 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.
Such as Fig. 1, Fig. 4, shown in Figure 5, transmission case 19 has casing 23, and this casing 23 is the uncovered monolithic construction in upper end, and the upper end of casing 23 is by hard-wired vertical tube socket 11 sealings.Upper end at casing 23 is supported with main shaft 24 by bearing, and an end level of this main shaft 24 is stretched out outside the casing 23, and is connected by the output of pulley mechanism with power assembly 20.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, excircle at variable block gear 25 middle parts is provided with annular groove, annular groove phase clamping on the fork of shift fork 42 and the variable block gear 25, the shank of shift fork 42 and declutch shift shaft 43 fix, described declutch shift shaft 43 is supported on the casing 23, and parallel with main shaft 24, an end of declutch shift shaft 43 stretches out outside the casing 23, and is connected with handgrip on the 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 by shift fork 42, to change the engagement object.
Such as Fig. 4, shown in 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 the countershaft 29 admittedly, this countershaft 29 parallels with main shaft 24, and countershaft 29 is supported in the casing 23 by bearing.End at described countershaft 29 is provided with drive pinion 30, this drive pinion 30 is meshed with transmission gear wheel 31, described transmission gear wheel 31 is set in an end of driving shaft 32, and at the other end empty set reverse gear 28 of driving shaft 32, this reverse gear 28 often meshes with first gear 26.
Such as Fig. 4, shown in Figure 5, at the axle body suit input gear 33 of described driving shaft 32 between transmission gear wheel 31 and reverse gear 28, 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 first little gap bridge tooth 36 engagements of pass a bridge greatly tooth 34 and its below, the described 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, the described second little gap bridge tooth 38 kinks are on the second little bridge shaft 39, and output gear 40 engagements of the second little gap bridge tooth 38 and its below.Described output gear 40 is positioned at the inside of casing 23 lower ends, and output gear 40 is placed in 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 the 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.
The present invention realizes that like this handrail highly regulates up and down:
Grasping first 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, lift or press down arm-rest frame 1 then, 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 the tooth plate 4 turn to the position of corresponding bayonet lock 5, unclamp at last hand and pull 6, under the effect of extension spring 7 screen resiliences, bayonet lock 5 snaps among the new draw-in groove 4a, again finishes the location after arm-rest frame 1 is highly regulated.
The present invention realizes handrail left and right sides position adjustments like this:
First by carrying lifting arm 13 on the drop handle, make lifting arm 13 drive telescopic head 14 and leave corresponding locating hole 11b, follow to the left or to the right rotary handle frame 1, 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 the position of upper another locating hole 11b of corresponding top board 11a, unclamp at last 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 among the new locating hole 11b, again finishes the location after armrest seat 3 left and right sides position adjustments.
The present invention has two forward gears and the gear that falls back, and is respectively:
When variable block gear 25 meshes with first gear 26, the power of main shaft 24 drives first gear 26 by variable block gear 25 and rotates, first gear 26 drives countershaft 29 and drive pinion 30 rotations, drive pinion 30 drives driving shaft 32 by transmission gear wheel 31 again and input gear 33 rotates, input gear 33 passes to output gear 40 through large gap bridge tooth 34, the first little gap bridge tooth 36 and the second little gap bridge tooth 38 successively with power, and output shaft 41 is rotated; In the 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 by variable block gear 25 and rotates, second gear 27 drives countershaft 29 and drive pinion 30 rotations, drive pinion 30 drives driving shaft 32 by transmission gear wheel 31 again and input gear 33 rotates, input gear 33 passes to output gear 40 through large gap bridge tooth 34, the first little gap bridge tooth 36 and the second little gap bridge tooth 38 successively with power, and output shaft 41 is rotated; In the 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 by variable block gear 25 and rotates, reverse gear 28 drives countershaft 29 and drive pinion 30 rotations by first gear 26, drive pinion 30 drives driving shaft 32 by transmission gear wheel 31 again and input gear 33 rotates, input gear 33 passes to output gear 40 through large gap bridge tooth 34, the first little gap bridge tooth 36 and the second little gap bridge tooth 38 successively with power, makes output shaft 41 counter-rotatings.
Shift control mechanism of the present invention and gearshift mode are same as the prior art, and therefore not to repeat here.
Claims (10)
1. 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 is pulled 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, and 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) vertically is fixed on the top board (11a) of vertical tube socket (11), and have a plurality of locating holes (11b) that distribute by even circumferential at top board (11a), the place ahead at described armrest seat (3) front end arranges positioning pipe (12), the lower end of lifting arm (13) is stretched in the 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), be arranged with stage clip (15) at described lifting arm (13), 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. according to claims 1 described mini-size tillage machine, 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, the one end level of this main shaft (24) is stretched out outside the 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 the countershaft (29) admittedly, this countershaft (29) parallels with main shaft (24), countershaft (29) is supported in the casing (23) by bearing, end at described countershaft (29) is provided with drive pinion (30), this drive pinion (30) is meshed with transmission gear wheel (31), described transmission gear wheel (31) is set in an end of driving shaft (32), at the other end empty set reverse gear (28) of driving shaft (32), this reverse gear (28) and the normal engagement of first gear (26);
The axle body that is positioned between transmission gear wheel (31) and the reverse gear (28) at described driving shaft (32) is 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 first little gap bridge tooth (36) engagement of pass a bridge greatly tooth (34) and its below, the described 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, the described second little gap bridge tooth (38) kink is on the second little bridge shaft (39), and output gear (40) engagement of the second little gap bridge tooth (38) and its below;
Described output gear (40) is positioned at the inside of casing (23) lower end, and output gear (40) is placed in 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 the 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. according to claims 1 or 2 described mini-size tillage machines, it is characterized in that: described arm-rest frame (1) is " U " shape of front end closed rear end opening, is formed by the pipe bending, 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. according to claims 3 described mini-size tillage machines, it is characterized in that: the crosspiece of described arm-rest frame (1) front end by about two U bolts that are arranged side by side and guard shield (2) be hinged, the end face of guard shield (2) is stretched out at two of each U bolt upper end, is locked by acorn nut (8).
5. according to claims 1 or 4 described mini-size tillage machines, 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. according to claims 1 described mini-size tillage machine, it is characterized in that: the front end that described hand is pulled (6) is the prong structure, base (3a) is arranged in the prong that hand is pulled (6) front end, and is undertaken hingedly by pin, and the rear end of pulling (6) at described hand is installed with gum cover (9).
7. according to claims 6 described mini-size tillage machines, it 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. according to claims 1 described mini-size tillage machine, it is characterized in that: at the rear side fixing and locking clamp (17) of described armrest seat (3) front bottom end, be formed with Ka Tai on this locking clamp (17), described card decometer enters in the annular groove of offering on the locating dowel (10).
9. according to claims 1 described mini-size tillage machine, it is characterized in that: the lower end of described lifting arm (13) and telescopic head (14) threaded engagement are equipped with drop handle in the upper end of lifting arm (13).
10. according to claims 1 or 8 or 9 described mini-size tillage machines, it is characterized in that: have 10 locating holes (11b) at described top board (11a), this locating hole (11b) is kidney-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103290213A CN103355012A (en) | 2013-07-31 | 2013-07-31 | Mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103290213A CN103355012A (en) | 2013-07-31 | 2013-07-31 | Mini-tiller |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103931286A (en) * | 2014-04-27 | 2014-07-23 | 苏州创维晟自动化科技有限公司 | Rooter with rear supporting wheels |
| 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 |
| 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 |
| CN105052284A (en) * | 2015-07-17 | 2015-11-18 | 重庆嘉木机械有限公司 | Mini-tiller |
| CN106538098A (en) * | 2015-09-21 | 2017-03-29 | 尹全权 | Original place freely turns to tiller |
| CN106576449A (en) * | 2016-12-30 | 2017-04-26 | 重庆华世丹机械制造有限公司 | Multi-purpose mini tiller |
| CN110173213A (en) * | 2019-06-11 | 2019-08-27 | 郑州路驰机械设备有限公司 | A kind of hand propelled ground anchor drilling machine |
| CN111820678A (en) * | 2020-08-10 | 2020-10-27 | 刘佳露 | Adjustable display box convenient to show hardware fitting |
| CN112851448A (en) * | 2020-12-28 | 2021-05-28 | 湖北航鹏化学动力科技有限责任公司 | Rotary type explosive column machine for pressing large explosive columns of initiating explosive devices |
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| US4519459A (en) * | 1983-03-31 | 1985-05-28 | Magna American Corporation | Power drive rear tine tiller with reversing gear transmission for the tines |
| CN201348013Y (en) * | 2008-12-15 | 2009-11-18 | 重庆宗申技术开发研究有限公司 | Four-gear gearbox of micro-cultivator |
| CN201995306U (en) * | 2011-03-09 | 2011-10-05 | 重庆华世丹机械制造有限公司 | Mini-tiller and handrail rack horizontal steering device thereof |
| CN202285509U (en) * | 2011-09-30 | 2012-07-04 | 陈恳 | Height adjustment mechanism for armrest frame of mini-tiller |
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| CN202635018U (en) * | 2012-05-24 | 2013-01-02 | 重庆宗申通用动力机械有限公司 | Mini-tiller transmission case |
| CN203387848U (en) * | 2013-07-31 | 2014-01-15 | 重庆嘉木机械有限公司 | Micro-cultivator |
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| US4519459A (en) * | 1983-03-31 | 1985-05-28 | Magna American Corporation | Power drive rear tine tiller with reversing gear transmission for the tines |
| CN201348013Y (en) * | 2008-12-15 | 2009-11-18 | 重庆宗申技术开发研究有限公司 | Four-gear gearbox of micro-cultivator |
| CN201995306U (en) * | 2011-03-09 | 2011-10-05 | 重庆华世丹机械制造有限公司 | Mini-tiller and handrail rack horizontal steering device thereof |
| CN202285509U (en) * | 2011-09-30 | 2012-07-04 | 陈恳 | Height adjustment mechanism for armrest frame of mini-tiller |
| CN102598901A (en) * | 2012-04-01 | 2012-07-25 | 重庆耕友机械有限责任公司 | Novel mini-tiller |
| CN202635018U (en) * | 2012-05-24 | 2013-01-02 | 重庆宗申通用动力机械有限公司 | Mini-tiller transmission case |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103931286A (en) * | 2014-04-27 | 2014-07-23 | 苏州创维晟自动化科技有限公司 | Rooter with rear supporting wheels |
| 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 |
| 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 |
| 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 |
| 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 |
| CN105052284A (en) * | 2015-07-17 | 2015-11-18 | 重庆嘉木机械有限公司 | Mini-tiller |
| CN106538098A (en) * | 2015-09-21 | 2017-03-29 | 尹全权 | Original place freely turns to tiller |
| CN106576449A (en) * | 2016-12-30 | 2017-04-26 | 重庆华世丹机械制造有限公司 | Multi-purpose mini tiller |
| CN110173213A (en) * | 2019-06-11 | 2019-08-27 | 郑州路驰机械设备有限公司 | A kind of hand propelled ground anchor drilling machine |
| CN111820678A (en) * | 2020-08-10 | 2020-10-27 | 刘佳露 | Adjustable display box convenient to show hardware fitting |
| CN111820678B (en) * | 2020-08-10 | 2021-07-13 | 中山市东鹿五金塑料有限公司 | Adjustable display box convenient to show hardware fitting |
| CN112851448A (en) * | 2020-12-28 | 2021-05-28 | 湖北航鹏化学动力科技有限责任公司 | Rotary type explosive column machine for pressing large explosive columns of initiating explosive devices |
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Application publication date: 20131023 |