CN203926636U - Microtilling machine third gear steering system - Google Patents
Microtilling machine third gear steering system Download PDFInfo
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- CN203926636U CN203926636U CN201420398405.0U CN201420398405U CN203926636U CN 203926636 U CN203926636 U CN 203926636U CN 201420398405 U CN201420398405 U CN 201420398405U CN 203926636 U CN203926636 U CN 203926636U
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Abstract
The utility model discloses a kind of microtilling machine third gear steering system, gearbox and walking case, described gearbox comprises gear box, clutch assembly, main shaft, countershaft and reverse gear shaft, clutch shifter and selector fork, described walking case comprises walking case upper box, walking case lower box, longitudinal drive shaft and two output axle shafts, on main shaft, be arranged with an active triple gear, on countershaft, be arranged with driven three teeth, in the lower box of walking case, be also provided with a horizontal transmission shaft, be respectively equipped with one in the lower box both sides corresponding with two output axle shafts and turn to shift fork, turn to shift fork can drive respectively two driving gears to separate or engagement with the output gear on two output axle shafts by two.The utility model can carry out many grades and reverse gear conversion, and it is convenient to turn, thereby can improve the Applicable scope of microtilling machine.
Description
Technical field
The utility model relates to microtilling machine, relates in particular to a kind of microtilling machine third gear steering system.
Background technique
Along with social development, agricultural progressively enters mechanical times, and especially microtilling machine is because its volume is little, using scope is extensively used widely.The gear of current microtilling machine mostly only has two gears and reverse gear, is not easy to the speed adjustment in operation process, makes its job area be subject to certain limitation; Simultaneously, existing microtilling machine is mainly turned to by people's rotary handle in steering procedure, and microtilling machine need to be stopped while turning to, after having turned to, again microtilling machine is opened, so just cause steering procedure to bother very much and harder, can not meet agricultural production needs.
Model utility content
For prior art above shortcomings, it is few that the purpose of this utility model is how to solve existing microtilling machine gear, problem that can not automatic turning, a kind of microtilling machine third gear steering system is provided, can carry out many grades and reverse gear conversion, and it is convenient to turn, thereby can improve the Applicable scope of microtilling machine.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is such: a kind of microtilling machine third gear steering system, gearbox and walking case, described gearbox comprises gear box clutch assembly, main shaft, countershaft and reverse gear shaft, clutch shifter and selector fork, is provided with an output bevel gear on countershaft, described walking case comprises walking case upper box, walking case lower box, longitudinal drive shaft and two output axle shafts, the upper box of described walking case is connected with gearbox, the upper end of its longitudinal drive shaft is provided with an input bevel gear, lower end is provided with an input bevel gear, output bevel gear on described input bevel gear and countershaft meshes together, two output axle shafts are symmetrically set in the both sides of lower box, and its one end is stretched in lower box, one end of stretching into lower box at two output axle shafts is arranged with respectively an output gear, it is characterized in that: on main shaft, be arranged with an active triple gear, on countershaft, be arranged with driven three teeth, described triple gear inner side is provided with several annular positioning groove, the shaft axis of described annular positioning groove overlaps with the shaft axis of active three teeth, on main shaft, be radially provided with a positioning hole with the position that initiatively three teeth are corresponding, in this positioning hole, be provided with a retaining spring and two place kick, the two ends that are positioned at retaining spring are asked in two location, and protrude from main shaft under the effect of retaining spring, ask and can realize the initiatively location of three teeth coordinating of annular positioning groove by two location, on reverse gear shaft, be arranged with a reverse gear duplex-gear, a wherein gear of described reverse gear duplex-gear engages with a wherein gear of driven three teeth, in the time that initiatively three teeth move, can be respectively engage with three gears of driven three teeth and another gear of reverse gear duplex-gear,
In the lower box of walking case, be also provided with a horizontal transmission shaft, described horizontal transmission shaft is between two output axle shafts and longitudinal drive shaft, and its axial and two output axle shafts is axially identical; Middle part at horizontal transmission shaft is arranged with an output bevel gear, described output bevel gear engages with the input bevel gear of longitudinal drive shaft lower end, be respectively equipped with a driving gear in the both sides of output bevel gear, described driving gear is located on horizontal transmission shaft and can be moved along horizontal transmission shaft by the engage sleeves of keyway and key tooth; Be respectively equipped with one in the lower box both sides corresponding with two output axle shafts and turn to shift fork, on two driving gears, be equipped with fork pockets, two turn to shift fork to coordinate and be connected together with the fork pockets on two driving gears respectively, turn to shift fork can drive respectively two driving gears to separate or engagement with the output gear on two output axle shafts by two.
Further, a side that deviates from output bevel gear at two driving gears is respectively equipped with a Returnning spring, and described Returnning spring is set on horizontal transmission shaft.
Compared with prior art, the utlity model has following advantage:
1, the utility model adopts initiatively coordinating of three teeth and driven three teeth, make gearbox there is three class gear shift, thereby making microtilling machine in use have more gear selects, make operator can control as required the gait of march of microtilling machine, thereby make the Applicable scope of microtilling machine wider, more applicable.
2, in walking case, increased steering structure, thereby make microtilling machine in use, turn to shift fork just can realize and turning to by control, realize the auto-steering of microtilling machine in traveling process, without microtilling machine is stopped and turned to, thereby make to turn to convenient, quick, and turn to lighter.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of Fig. 1.
In figure: 1-gearbox, 2-walking case, 11-gear box, 12-clutch assembly, 13-main shaft, 14-countershaft, 15-output bevel gear, 16-initiatively three teeth, 17-annular positioning groove, 18-retaining spring, 19-place kick, 110-driven three teeth, 21-walking case upper box, 22-walking case lower box, 23-longitudinal drive shaft, 24-output axle shaft, 25-input bevel gear, 26-input bevel gear, 27-output gear, 28-laterally transmission shaft, 29-output bevel gear, 210-driving gear, 211-turn to shift fork, 212-Returnning spring.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment: referring to Fig. 1, Fig. 2, a kind of microtilling machine third gear steering system, gearbox 1 and walking case 2, described gearbox 1 comprises gear box 11 clutch assemblies 12, main shaft 13, countershaft 14 and reverse gear shaft, clutch shifter and selector fork, wherein, main shaft 13 is positioned at vertical plane with countershaft 14, and reverse gear shaft is positioned at a side of main shaft 13 and countershaft 14 place vertical planes.Described main shaft 13 is connected with input shaft by clutch assembly 12, and clutch shifter fork is located in clutch assembly 12, can drive clutch assembly 12 to close up or separate, thereby realize the control to main shaft 13 by clutch shifter.In countershaft 14(end) on be provided with an output bevel gear 15.Described walking case 2 comprises walking case upper box 21, walking case lower box 22, longitudinal drive shaft 23 and two output axle shafts 24, the upper box of described walking case 2 is connected with gearbox 1, the upper end of its longitudinal drive shaft 23 is provided with an input bevel gear 25, and lower end is provided with an input bevel gear 26; Described input bevel gear 25 meshes together with the output bevel gear 15 on countershaft 14.Two output axle shafts 24 are symmetrically set in the both sides of lower box, and its one end stretches in lower box, and one end of stretching into lower box at two output axle shafts 24 is arranged with respectively an output gear 27.
On main shaft 13, be arranged with active three teeth 16 and take turns, on countershaft 14, be arranged with driven three teeth 110; Wherein, initiatively three gear diameters in three teeth 16 increase successively, and three gear diameters in driven three teeth 110 reduce successively, and three gears in driven three teeth 110 can be respectively be meshed with three gears in three teeth 16 initiatively.Described triple gear inner side is provided with several annular positioning groove 17, and the shaft axis of described annular positioning groove 17 overlaps with the shaft axis of active three teeth 16.On main shaft 13, be radially provided with a positioning hole with the position that initiatively three teeth 16 are corresponding, in this positioning hole, be provided with a retaining spring 18 and two place kick 19, the two ends that are positioned at retaining spring 18 are asked in two location, and under the effect of retaining spring 18, protrude from main shaft 13, ask and can realize the initiatively location of three teeth 16 coordinating of annular positioning groove 17 by two location.On reverse gear shaft, be arranged with a reverse gear duplex-gear, a wherein gear of described reverse gear duplex-gear engages with a wherein gear of driven three teeth 110; In the time that initiatively three teeth 16 move, can be respectively engage with three gears of driven three teeth 110 and another gear of reverse gear duplex-gear.Initiatively three gears of three teeth 16 can engage with the corresponding gear of driven three teeth 110 respectively (and in the time that initiatively one of them gear of three teeth 16 engages with one of them gear of driven three teeth 110, two other gear of driven three teeth 110 is in the state of coming to nothing), thus three shelves of advancing formed; In the time that initiatively one of them gear (being generally the gear of diameter minimum) of three teeth 16 and a gear (being generally the gear that diameter is larger) of reverse gear duplex-gear engage (now, three gears of driven three teeth 110 are all in the state of coming to nothing), reverse gear duplex-gear drives driven three teeth 110 to take turns by the meshing relation of one of them gear (being generally the gear of diameter maximum) of another gear and driven three teeth 110, thereby drive countershaft 14, realize reverse gear.In specific implementation process, reverse gear duplex-gear is positioned at a side of driven three teeth 110, and small gear in reverse gear duplex-gear engages with gear maximum in driven three teeth 110.
In the lower box of walking case 2, be also provided with a horizontal transmission shaft 28, described horizontal transmission shaft 28 is between two output axle shafts 24 and longitudinal drive shaft 23, and its axial and two output axle shafts 24 is axially identical.Middle part at horizontal transmission shaft 28 is arranged with an output bevel gear 29, described output bevel gear 29 engages with the input bevel gear 26 of longitudinal drive shaft 23 lower ends, be respectively equipped with a driving gear 210 in the both sides of output bevel gear 29, described driving gear 210 is located on horizontal transmission shaft 28 and can be moved along horizontal transmission shaft 28 by the engage sleeves of keyway and key tooth.Be respectively equipped with one in the lower box both sides corresponding with two output axle shafts 24 and turn to shift fork 211, on two driving gears 210, be equipped with fork pockets, two turn to shift fork 211 to coordinate and be connected together with the fork pockets on two driving gears 210 respectively, turn to shift fork 211 can drive respectively two driving gears 210 to separate or engagement with the output gear 27 on two output axle shafts 24 by two.
A side that deviates from output bevel gear 29 at two driving gears 210 is respectively equipped with a Returnning spring 212, and described Returnning spring 212 is set on horizontal transmission shaft 28; The action that the rear recovery that can make like this to have turned is carried out completes more quick, thereby can enter rapidly craspedodrome state after microtilling machine has been turned.
Finally it should be noted that, above embodiment is only in order to the technical solution of the utility model to be described but not restriction technologies scheme, those of ordinary skill in the art is to be understood that, those are modified to the technical solution of the utility model or are equal to replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present utility model.
Claims (2)
1. a microtilling machine third gear steering system, gearbox and walking case, described gearbox comprises gear box, clutch assembly, main shaft, countershaft and reverse gear shaft, clutch shifter and selector fork, is provided with an output bevel gear on countershaft, described walking case comprises walking case upper box, walking case lower box, longitudinal drive shaft and two output axle shafts, the upper box of described walking case is connected with gearbox, the upper end of its longitudinal drive shaft is provided with an input bevel gear, lower end is provided with an input bevel gear, output bevel gear on described input bevel gear and countershaft meshes together, two output axle shafts are symmetrically set in the both sides of lower box, and its one end is stretched in lower box, one end of stretching into lower box at two output axle shafts is arranged with respectively an output gear, it is characterized in that: on main shaft, be arranged with an active triple gear, on countershaft, be arranged with driven three teeth, described triple gear inner side is provided with several annular positioning groove, the shaft axis of described annular positioning groove overlaps with the shaft axis of active three teeth, on main shaft, be radially provided with a positioning hole with the position that initiatively three teeth are corresponding, in this positioning hole, be provided with a retaining spring and two place kick, the two ends that are positioned at retaining spring are asked in two location, and protrude from main shaft under the effect of retaining spring, ask and can realize the initiatively location of three teeth coordinating of annular positioning groove by two location, on reverse gear shaft, be arranged with the duplex-gear that reverses gear, described in reverse gear a wherein gear of duplex-gear and a wherein gear of driven three teeth engage, in the time that initiatively three teeth move, can be respectively engage with three gears of driven three teeth and another gear of the duplex-gear that reverses gear,
In the lower box of walking case, be also provided with a horizontal transmission shaft, described horizontal transmission shaft is between two output axle shafts and longitudinal drive shaft, and its axial and two output axle shafts is axially identical; Middle part at horizontal transmission shaft is arranged with an output bevel gear, described output bevel gear engages with the input bevel gear of longitudinal drive shaft lower end, be respectively equipped with a driving gear in the both sides of output bevel gear, described driving gear is located on horizontal transmission shaft and can be moved along horizontal transmission shaft by the engage sleeves of keyway and key tooth; Be respectively equipped with one in the lower box both sides corresponding with two output axle shafts and turn to shift fork, on two driving gears, be equipped with fork pockets, two turn to shift fork to coordinate and be connected together with the fork pockets on two driving gears respectively, turn to shift fork can drive respectively two driving gears to separate or engagement with the output gear on two output axle shafts by two.
2. microtilling machine third gear steering system according to claim 1, is characterized in that: a side that deviates from output bevel gear at two driving gears is respectively equipped with a Returnning spring, and described Returnning spring is set on horizontal transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398405.0U CN203926636U (en) | 2014-07-18 | 2014-07-18 | Microtilling machine third gear steering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398405.0U CN203926636U (en) | 2014-07-18 | 2014-07-18 | Microtilling machine third gear steering system |
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| CN203926636U true CN203926636U (en) | 2014-11-05 |
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| CN201420398405.0U Active CN203926636U (en) | 2014-07-18 | 2014-07-18 | Microtilling machine third gear steering system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156640A (en) * | 2015-09-26 | 2015-12-16 | 广西宜州玉柴农业装备有限公司 | Mini-tiller gearbox walking box with turning function |
| CN105325086A (en) * | 2015-12-12 | 2016-02-17 | 威马农业机械有限公司 | High-low speed forward gear shifting mechanism of mini-tiller |
| CN105340381A (en) * | 2015-12-14 | 2016-02-24 | 威马农业机械有限公司 | Novel mini-tiller |
| CN105409355A (en) * | 2015-12-12 | 2016-03-23 | 威马农业机械有限公司 | Mini-tiller transmission output system |
| CN105453745A (en) * | 2015-12-14 | 2016-04-06 | 威马农业机械有限公司 | Mini-tiller with novel gearbox |
| CN105799498A (en) * | 2016-04-20 | 2016-07-27 | 吉林农信机械制造有限公司 | Multi-power output device with clutch |
| CN106352028A (en) * | 2016-05-28 | 2017-01-25 | 重庆万虎机电有限责任公司 | Mini-tiller, speed changing box and speed changing mechanism of speed changing box |
-
2014
- 2014-07-18 CN CN201420398405.0U patent/CN203926636U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156640A (en) * | 2015-09-26 | 2015-12-16 | 广西宜州玉柴农业装备有限公司 | Mini-tiller gearbox walking box with turning function |
| CN105325086A (en) * | 2015-12-12 | 2016-02-17 | 威马农业机械有限公司 | High-low speed forward gear shifting mechanism of mini-tiller |
| CN105409355A (en) * | 2015-12-12 | 2016-03-23 | 威马农业机械有限公司 | Mini-tiller transmission output system |
| CN105340381A (en) * | 2015-12-14 | 2016-02-24 | 威马农业机械有限公司 | Novel mini-tiller |
| CN105453745A (en) * | 2015-12-14 | 2016-04-06 | 威马农业机械有限公司 | Mini-tiller with novel gearbox |
| CN105799498A (en) * | 2016-04-20 | 2016-07-27 | 吉林农信机械制造有限公司 | Multi-power output device with clutch |
| CN105799498B (en) * | 2016-04-20 | 2018-06-29 | 吉林农信机械制造有限公司 | A kind of more power output device with clutch |
| CN106352028A (en) * | 2016-05-28 | 2017-01-25 | 重庆万虎机电有限责任公司 | Mini-tiller, speed changing box and speed changing mechanism of speed changing box |
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| GR01 | Patent grant |