Walking driving system for field management machine

Abstract

The utility model discloses a walking driving system for a field management machine, which comprises a power input part and a power output shaft, the power output shaft comprises a left half shaft and a right half shaft, and the left half shaft and the right half shaft are respectively in transmission fit with the power input part through respective combination components or are disconnected to interrupt power; according to the walking driving system for the field management machine, through cooperation of the combination assembly and the power input part, the effects of power transmission and power interruption can be achieved, so that steering is achieved, when power transmission of the left half shaft or the right half shaft is interrupted, the equipment steers towards the position, manual steering is not needed, and the working efficiency is improved. The steering is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of agricultural equipment, especially relates to a walking drive system for a field management machine. BACKGROUND

[0002] The field management machine is a kind of supporting equipment for small garden field cultivation, nowadays, the commercialization degree and the degree of automation of farmland are higher and higher, the use of field management machine is more widely in the farmland reclamation, it is convenient to better carry out reclamation operation, with the continuous development of science and technology, the function of field management machine also has higher requirement.Currently, when field management machine travels to muddy road section, for the equipment that field management machine completely relies on manual steering, steering is more difficult.

[0003] Therefore, the steering structure of the prior art in field management machine needs to be improved, can assist steering when field management machine needs to steer, so as to not completely rely on manual steering, it is convenient for user to operate. SUMMARY

[0004] Therefore, the steering structure of the prior art in field management machine needs to be improved, can assist steering when field management machine needs to steer, so as to not completely rely on manual steering, it is convenient for user to operate.

[0005] The walking drive system for field management machine of the utility model, including power input piece and power output shaft, the power output shaft includes left half axle and right half axle, the left half axle and right half axle are respectively connected with power input piece through respective combination assembly and form transmission cooperation or disconnect power interruption.

[0006] Further, the combination assembly includes a combination piece, the combination piece can be operated along the radial direction, for combining with power input piece respectively corresponding to power transmission to left half axle and right half axle, or disconnect power interruption.

[0007] Further, the combination assembly further includes a combination sleeve, the combination sleeve is respectively arranged on left half axle and right half axle, the combination sleeve can be driven to slide along the axial direction, for driving the combination piece to move along the radial direction.

[0008] Further, it further includes a mandrel, the power input piece is sleeved on the mandrel, left half axle and right half axle are respectively provided with left axle seat and right axle seat, two ends of the mandrel are respectively correspondingly rotationally fitted in the left axle seat and the right axle seat, and two ends of the left half axle and the right half axle are respectively correspondingly abutted on two ends of the power input piece.

[0009] Further, the power input part is provided with a left sink groove and a right sink groove, outer surfaces of the left half shaft and the right half shaft correspondingly form a left shaft shoulder and a right shaft shoulder, shaft ends of the left half shaft and the right half shaft correspondingly abut on groove bottoms of the left sink groove and the right sink groove, an outer side wall of the left shaft shoulder is located inside an inner side wall of the left sink groove, and an outer side wall of the right shaft shoulder is located inside an inner side wall of the right sink groove.

[0010] Further, a plurality of through holes are correspondingly formed in side walls of the left sink groove and the right sink groove, a circumferential section of the left half shaft from the shaft end to the left shaft shoulder is provided with a plurality of combination grooves arranged in an axial direction, a circumferential section of the right half shaft from the shaft end to the right shaft shoulder is provided with a plurality of combination grooves arranged in an axial direction, the combination sleeve is provided with limiting grooves matched with the combination grooves, when power is transmitted, the combination part is constrained in the combination groove, and when power transmission is disconnected, the combination part moves between the through holes, the limiting grooves and the combination grooves.

[0011] Further, a combination driving assembly is further included, and the combination driving assembly includes a walking shift fork, the walking shift fork is driven to drive the combination sleeve to be slidingly matched with the left half shaft and the right half shaft.

[0012] Further, an elastic part is further included, and the elastic part is used for applying an outward pre-tightening force to the combination sleeve.

[0013] Further, a cross section of the combination groove is U-shaped, and a middle part of a groove bottom of the combination groove is higher than both sides of the middle part of the combination groove.

[0014] Further, the elastic part is a spring, and the combination part is a steel ball.

[0015] The walking driving system for the rural management machine has the advantages that: through cooperation of the combination assembly and the power input part, the effect of power transmission and power interruption can be realized, so that turning is realized, after the left half shaft or the right half shaft is interrupted in power transmission, the equipment turns to the place, manual operation is not needed, and turning is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in connection with the drawings and examples:

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the position schematic view of the combination part when power is interrupted;

[0019] Figure 3 It is the position schematic view of the combination part when power is transmitted;

[0020] In the above drawings, the following reference signs are included:

[0021] 1, left half shaft; 101, left shaft shoulder; 102, left shaft seat; 2, walking shift fork; 3, power input; 301, right sink groove; 302, left sink groove; 4, mandrel; 5, combined sliding sleeve; 501, limiting groove; 6, right half shaft; 601, right shaft seat; 602, right shaft shoulder; 7, combined component; 8, elastic component; 9, combined groove; 10, through hole. DETAILED DESCRIPTION

[0022] Figure 1 The structure of the utility model is shown in the figure, Figure 2 The position of the combined component when power is interrupted is shown in the figure, Figure 3 The position of the combined component when power is transmitted is shown in the figure, Figures 1-3 As shown in the figure: the walking driving system for the field management machine of the embodiment comprises a power input 3 and a power output shaft, the power output shaft comprises a left half shaft 1 and a right half shaft 6, the left half shaft 1 and the right half shaft 6 form transmission cooperation or interrupt power respectively through respective combined components with the power input 3; the power input 3 can be a bevel gear, a cylindrical gear, a chain wheel and a belt wheel and the like power transmission parts, the power input 3 serves as a power input end, transmits power to the power output shaft, through the setting of the combined components, the combined components are two, are set respectively corresponding to the left half shaft 1 and the right half shaft 6, the combination of the combined components and the power input 3 can realize the transmission of power to the left half shaft 1 or the right half shaft 6 or the left half shaft 1 and the right half shaft 6, through the control of the power interruption of the left half shaft 1 or the right half shaft 6, the steering of the field management machine is realized, compared with the steering of the prior art relying on manual operation, steering is more convenient.

[0023] In the prior art, at present, when the field management machine drives to a muddy road section, steering is more difficult for the equipment such as the field management machine which relies completely on manual operation; the walking driving system for the field management machine of the utility model can realize the effect of power transmission and power interruption through the cooperation of the combined components and the power input 3, thereby realizing steering, after the left half shaft 1 or the right half shaft 6 is interrupted power transmission, the equipment is steered to the place, manual operation is not needed for steering, steering is convenient.

[0024] In the embodiment, the combined component comprises a combined component 7, the combined component 7 can be operated to move radially, for combining with the power input 3 respectively corresponding to transmitting power to the left half shaft 1 and the right half shaft 6 or interrupting power; the combined component 7 can be operated to move radially, thereby can combine with the power input 3 and the power output shaft or be disconnected, realizing the transmission of power or interrupting power transmission.

[0025] In the embodiment, the coupling assembly further comprises a coupling sleeve 5, which is respectively arranged on the left half shaft 1 and the right half shaft 6, and can be driven to slide axially to drive the coupling piece 7 to move radially; the coupling assembly is two, which are respectively arranged on the left half shaft 1 and the right half shaft 6, and the left half shaft 1 and the right half shaft 6 are respectively provided with the respective coupling sleeve 5, the shape and structure of the coupling sleeve 5 can be set according to the use requirement, the coupling piece 7 is located inside the coupling sleeve 5, and the coupling piece 7 is controlled to be coupled with the power input piece 3 and the power output shaft by driving the coupling sleeve 5 to slide axially, when the coupling sleeve 5 is driven to slide to the outside (i.e. away from the power input piece 3) in the left-right direction of the coupling sleeve 5, the coupling piece 7 is driven to move to the direction close to the power output shaft (i.e. radial movement) in the up-down direction of the coupling sleeve 5, so that the coupling piece 7 is coupled with the power input piece 3 and the power output shaft, and the power is transmitted to the power output shaft, when the power transmission is interrupted, the coupling sleeve 5 is driven to slide to the inside (i.e. close to the power input piece 3) in the left-right direction of the coupling sleeve 5, so that the coupling piece 7 is driven to move to the direction away from the power output shaft (i.e. radial movement) in the up-down direction of the coupling sleeve 5, so that the coupling piece 7 is relatively arranged between the power output shaft and the coupling sleeve 5, and the power input piece 3 and the power output shaft can relatively rotate freely, which is convenient for the operation of the field management machine (not shown in the figure) to realize the steering. Figure 1 Figure 1 Figure 1 Figure 1

[0026] In the embodiment, the core shaft 4 is further arranged, the power input piece 3 is arranged on the core shaft 4 in a sleeved manner, the left half shaft 1 and the right half shaft 6 are respectively provided with a left shaft seat 102 and a right shaft seat 601, and the two ends of the core shaft 4 are respectively arranged in the left shaft seat 102 and the right shaft seat 601 in a rotating fit mode, and the two ends of the left half shaft 1 and the right half shaft 6 are respectively arranged at the two ends of the power input piece 3; in the structure, the power input piece 3 is arranged on the core shaft 4 in a sleeved manner, the left half shaft 1 and the right half shaft 6 are respectively arranged on the left side and the right side of the core shaft 4, the left and right directions are relative to the left-right direction of the coupling sleeve 5, and the left half shaft 1 and the right half shaft 6 are only used to distinguish the two half shafts, the left shaft seat 102 and the right shaft seat 601 are respectively arranged on the left half shaft 1 and the right half shaft 6, so that the core shaft 4 is convenient to install and cooperate with the power output shaft, and the power input piece 3 and the power output shaft can both realize idling. Figure 1

[0027] ​​​​​In the embodiment, the power input member 3 is provided with a left sink groove 302 and a right sink groove 301, the outer surfaces of the left half shaft 1 and the right half shaft 6 correspondingly form a left shaft shoulder 101 and a right shaft shoulder 602, the shaft ends of the left half shaft 1 and the right half shaft 6 correspondingly abut the groove bottoms of the left sink groove 302 and the right sink groove 301, the outer side wall of the left shaft shoulder 101 is located inside the inner side wall of the left sink groove 302, and the outer side wall of the right shaft shoulder 602 is located inside the inner side wall of the right sink groove 301; the left sink groove 302 and the right sink groove 301 are only used to distinguish the two sink grooves, and the left shaft shoulder 101 and the right shaft shoulder 602 are only used to distinguish the two shaft shoulders; when the two ends of the mandrel 4 are inserted into the left shaft seat 102 and the right shaft seat 601, and the power input member 3 is installed on the mandrel 4, the shaft ends of the left half shaft 1 and the right half shaft 6 correspondingly locate inside the left sink groove 302 and the right sink groove 301, so that the overall structure is compact.

[0028] In the embodiment, a plurality of through holes 10 are correspondingly formed on the side walls of the left sink groove 302 and the right sink groove 301, the shaft end to the circumferential segment of the left shaft shoulder 101 of the left half shaft 1 has a plurality of axial combination grooves 9, the shaft end to the circumferential segment of the right shaft shoulder 602 of the right half shaft 6 has a plurality of axial combination grooves 9, and the combination sleeve 5 is provided with a limiting groove 501 matched with the combination groove 9; when power is transmitted, the combination piece 7 is constrained in the combination groove 9, and when power transmission is interrupted, the combination piece 7 moves between the through hole 10, the limiting groove 501 and the combination groove 9; a plurality of through holes 10 are formed on the side walls of the left sink groove 302 and the right sink groove 301, the size of the through hole 10 is matched with the size of the combination piece 7, and the combination groove 9 is correspondingly arranged on the power output shaft, and the limiting groove 501 matched with the combination groove 9 is arranged on the combination sleeve 5, so that when power is transmitted, the combination piece 7 is limited in the combination groove 9, at this time, the combination piece 7 transmits the power of the power input member 3 to the power output shaft, when the power is interrupted, the combination piece 7 is located in the through hole 10 and can move up and down to the combination groove 9 and the limiting groove 501, so as to realize the relative rotation of the power input member 3 and the power output shaft, thereby realizing steering, when the power transmission of the left half shaft 1 is interrupted, steering to the left side, and when the power of the right half shaft 6 is interrupted, steering to the right side.

[0029] In the embodiment, a combination driving assembly is further included, which includes a walking fork 2, the walking fork 2 can be driven to drive the combination sleeve 5 to be slidingly matched with the left half shaft 1 and the right half shaft 6; the walking fork 2 is provided, the walking fork 2 is two, which are correspondingly arranged on the left half shaft 1 and the right half shaft 6, and are used to drive the combination sleeve 5 of the left half shaft 1 and the right half shaft 6 respectively, the specific structure of the walking fork 2 is the application of the prior art, and details are not described herein, in use, the movement of the walking fork 2 drives the combination sleeve 5 to slide along the power output shaft, so as to realize the transmission or interruption of power.

[0030] In the embodiment, the elastic members 8 are used to apply outward pre-tightening force to the combination sleeve 5. Two elastic members are arranged respectively corresponding to the combination sleeve 5 of the left half shaft and the right half shaft. One end of the elastic member 8 on the left half shaft 1 is connected to the left shaft shoulder 101, and the other end is connected to the combination sleeve 5. One end of the elastic member 8 on the right half shaft 6 is connected to the right shaft shoulder 602, and the other end is connected to the combination sleeve 5. The elastic member 8 can be a spring. When it is needed to interrupt power transmission, the combination sleeve 5 is pushed to slide inward by the walking yoke 2, so that the limiting groove 501 is opposite to the combination member 7. At this time, the combination member 7 is freely movable between the through hole 10, the combination groove 9 and the limiting groove 501. Of course, since the combination member 7 is arranged on the inner side of the combination sleeve 5, the combination member 7 will not be separated from the inner side of the combination sleeve 5 when the power is interrupted, due to the structural arrangement of the combination sleeve 5 and the power input member 3. When it is needed to transmit power, the combination sleeve 5 slides outward under the action of the elastic member 8, so that the combination sleeve 5 presses the combination member 7 into the combination groove 9, and the combination member 7 is combined with the power input member 3 and the power output shaft, so as to realize power transmission.

[0031] In the embodiment, the cross section of the combination groove 9 is U-shaped, and the middle part of the groove bottom is higher than the two sides of the middle part of the combination groove 9. The combination groove 9 is a U-shaped open groove, and the middle part of the groove bottom is higher than the two sides of the middle part of the combination groove 9, that is, the middle part of the groove bottom of the combination groove 9 is upwardly protruded relative to the groove bottom plane. Therefore, when the combination member 7 is limited in the combination groove 9, the contact area with the combination groove 9 can be increased, and the relative free rotation between the power output shaft and the power input member 3 is also facilitated (when the combination member 7 is not constrained in the combination groove 9, that is, the power transmission is interrupted).

[0032] In the embodiment, the elastic member 8 is a spring, and the combination member 7 is a steel ball.

[0033] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and all of them should be covered in the claim scope of the utility model.

Claims

1. A walking drive system for a garden tiller, characterized in that: It includes a power input component and a power output shaft. The power output shaft includes a left half shaft and a right half shaft. The left half shaft and the right half shaft respectively form a transmission engagement with the power input component or disconnect and interrupt the power through their respective connecting components. The coupling assembly includes a coupling member that is operable to move radially for engaging with a power input member to transmit power to the left and right half-shafts respectively, or to disconnect and interrupt power.

2. The walking drive system for a garden tiller according to claim 1, characterized in that: The coupling assembly also includes coupling sleeves, which are respectively disposed on the left and right half-shafts. The coupling sleeves can be driven to slide axially to drive the coupling to move radially.

3. The walking drive system for a garden tiller according to claim 2, characterized in that: It also includes a spindle, on which the power input component is loosely fitted. A left shaft seat and a right shaft seat are respectively provided on the left and right half shafts. The two ends of the spindle are respectively rotatably fitted in the left and right shaft seats, and the two ends of the left and right half shafts respectively abut against the two ends of the power input component.

4. The walking drive system for a garden tiller according to claim 3, characterized in that: The power input component is provided with a left sinker and a right sinker. The outer surfaces of the left half-shaft and the right half-shaft respectively form a left shoulder and a right shoulder. The shaft ends of the left half-shaft and the right half-shaft respectively abut against the bottom of the left sinker and the bottom of the right sinker. The outer side wall of the left shoulder is located inside the inner side wall of the left sinker, and the outer side wall of the right shoulder is located inside the inner side wall of the right sinker.

5. The walking drive system for a garden tiller according to claim 4, characterized in that: The left and right sinkers are respectively provided with multiple through holes on their side walls. The circumferential section from the shaft end to the left shoulder of the left half-shaft has multiple axially arranged connecting grooves. The circumferential section from the shaft end to the right shoulder of the right half-shaft has multiple axially arranged connecting grooves. The connecting sleeve is provided with a limiting groove that mates with the connecting groove. When power is transmitted, the connecting member is constrained within the connecting groove. When power transmission is disconnected, the connecting member moves between the through holes, the limiting groove, and the connecting groove.

6. The walking drive system for a garden tiller according to claim 2, characterized in that: It also includes a drive assembly, including a travel fork, which is drivable to drive a sliding sleeve that is slidably fitted on the left and right half-shafts.

7. The walking drive system for a garden tiller according to claim 6, characterized in that: It also includes an elastic element for applying an outward preload to the coupling sleeve.

8. The walking drive system for a garden tiller according to claim 5, characterized in that: The cross-section of the connecting groove is U-shaped, and the bottom of the connecting groove is higher than the two sides of the middle part of the connecting groove.

9. The walking drive system for a garden tiller according to claim 7, characterized in that: The elastic element is a spring, and the connecting element is a steel ball.

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