Rotary cultivator with novel gear shifting mechanism

Abstract

The utility model discloses a rotary cultivator with a novel gear shifting mechanism, which comprises a gearbox, an armrest seat and a gear shifting shaft are arranged on the gearbox, an armrest frame and a gear shifting arm are arranged on the armrest seat, a push-pull mechanism is arranged between the armrest frame and the armrest seat, a gear shifting handle is arranged on the armrest frame, and the gear shifting arm is arranged on the gear shifting handle. The two ends of the push-pull mechanism are connected with the gear shifting arm and the gear shifting handle respectively, the gear shifting arm is connected with the gear shifting shaft, the gear shifting handle drives the push-pull mechanism to move by controlling the gear shifting handle, when the gear shifting handle is switched to different gears, the push-pull mechanism moves to drive the gear shifting arm to move, and the gear shifting arm drives the gear shifting shaft on a gearbox to move left and right. Therefore, the position change of the gear connected with the gear shifting shaft is realized, and the walking of the rotary cultivator is controlled. The walking of the rotary cultivator is controlled by controlling the gear shifting handle on the armrest frame, so that the rotary cultivator is prevented from bending over to shift gears, the use comfort and effect of a user are improved, safety accidents are avoided, and the rotary cultivator is convenient to use by the user.

Description

Technical Field

[0001] The utility model belongs to the field of agricultural machinery, in particular to a rotary tiller with a novel gear shifting mechanism. Background Art

[0002] Currently, in the market, the existing belt-type rotary tillers and chain-type rotary tillers such as CN201533489U generally have a gear shifting mechanism arranged on one side of the gearbox. When an unexpected situation requires a gear shift, leaning over to shift the gear brings a very bad experience to the user, and may cause a safety accident, which brings trouble to the user during use.

[0003] For this purpose, we have developed a rotary tiller that can flexibly shift gears on the armrest, thereby making it more convenient for users to use. Utility Model Content

[0004] In view of the above problems, the utility model designs a rotary tiller with a novel shift mechanism, including a gearbox, an armrest seat and a shift shaft are provided on the gearbox, an armrest frame and a shift arm are provided on the armrest seat, a push-pull mechanism is provided between the armrest frame and the armrest seat, a shift handle is provided on the armrest frame, two ends of the push-pull mechanism are respectively connected to the shift arm and the shift handle, and the shift arm is connected to the shift shaft.

[0005] Compared with the prior art, the utility model has the following beneficial effects: a push-pull mechanism is provided between the armrest frame and the armrest seat, a shift arm and a shift handle are provided at both ends of the push-pull mechanism, one end of the shift arm is connected to the push-pull mechanism, and the other end of the shift arm is connected to the shift shaft on the gearbox, and the shift handle is provided on the armrest frame, and the shift handle is controlled to drive the push-pull mechanism to move, and when the shift handle is switched to a different gear position, the push-pull mechanism moves to drive the shift arm to move, and the shift arm drives the shift shaft on the gearbox to move left and right, thereby realizing the position change of the gear connected to the shift shaft, thereby controlling the movement of the rotary tiller. By controlling the shift handle on the armrest frame to control the movement of the rotary tiller, bending over to shift gears is avoided, the user's comfort and effect are improved, safety accidents are avoided, and the trouble of the user's use process is reduced, thereby facilitating the use of the user.

[0006] Furthermore, the push-pull mechanism includes a fixing device 1 and a fixing device 2, wherein the fixing device 1 is arranged on the armrest seat, and the fixing device 2 is arranged on the armrest frame. A limiting tube is arranged between the fixing device 1 and the fixing device 2, and a pull rope is arranged in the limiting tube. A first hinge mechanism is arranged between the pull rope and the shift arm, and a second hinge mechanism is arranged between the pull rope and the shift handle.

[0007] The beneficial effects of adopting the above-mentioned further technical solution are as follows: by setting a fixing device 1 and a fixing device 2, the limit tube is fixed between the armrest frame and the armrest seat, so that the consumer can operate the shift handle on the armrest frame to pull the pull rope to move in the limit tube, thereby driving the shift arm to move; by setting a first hinge mechanism, when the pull rope is displaced, the U-shaped component 1 moves, and the shift arm and the rotating shaft 1 cooperate to rotate a certain angle, so that the shift mechanism on the gearbox moves left and right; by setting a second hinge mechanism, the U-shaped component 2 is connected to the other end of the pull rope, and the rotating shaft 2 is rotatably connected to the shift handle, so that the shift handle and the pull rope can be flexibly coordinated, so that the user can operate conveniently.

[0008] Furthermore, the first articulated mechanism includes a U-shaped component 1, a rotating shaft 1 is rotatably provided on the U-shaped component 1, the U-shaped component 1 is connected to one end of the pull rope, and the rotating shaft 1 is rotatably connected to the shift arm.

[0009] The beneficial effect of adopting the above-mentioned further technical solution is: a rotating shaft is provided on the U-shaped component, the U-shaped component is connected to one end of the pull rope, and the rotating shaft is rotatably connected to the shift arm, so that the pull rope drives the U-shaped component to move left and right, and the left and right movement of the U-shaped component drives the shift arm to rotate left and right, thereby driving the shift shaft to move left and right.

[0010] Furthermore, the second hinged mechanism comprises two U-shaped components, on which two rotating shafts are rotatably provided, the two U-shaped components are connected to the other end of the pull rope, and the two rotating shafts are rotatably connected to the shift handle.

[0011] The beneficial effect of adopting the above further technical solution is: by setting a second rotating shaft on the U-shaped component, the second U-shaped component is connected to the other end of the pull rope, and the second rotating shaft is rotatably connected to the shift handle, so that the shift handle drives the second U-shaped component to move, and drives the pull rope to move.

[0012] Furthermore, the fixing device 1 includes a first threaded sleeve and a first clamping piece, the first clamping piece is provided with a clamping hole 1, the first threaded sleeve is arranged on the outside of the limiting tube and located in the clamping hole 1, and a clamping ring 1 and a clamping ring 2 are arranged on both sides of the clamping hole 1, the clamping ring 1 and the clamping ring 2 are threadedly connected to the first threaded sleeve, and the first threaded sleeve is parallel to the shift shaft.

[0013] The beneficial effect of adopting the above-mentioned further technical solution is: by arranging a first threaded sleeve on the outside of the limit tube, tightening the clamping ring 1 and the clamping ring 2 to fix the limit tube on the first clamping member, and making the first threaded sleeve parallel to the shift shaft, the pull rope on the armrest seat moves parallel to the shift shaft when moving, so that the pull rope and the shift shaft maintain a certain horizontal distance when moving, thereby avoiding deviation in the moving distance of the shift shaft.

[0014] Furthermore, an elastic member is provided between the second clamping ring and the first U-shaped member, the elastic member is parallel to the shift shaft, and the elastic member is provided on the outside of the pull rope.

[0015] The beneficial effect of adopting the above further technical solution is: by arranging an elastic member between the second clamping ring and the first U-shaped component, a certain buffer force is provided to the user during the gear shifting process, a certain buffer space is provided to the user during the gear shifting process, and the user's operating feel is increased.

[0016] Furthermore, the second fixing device includes a second threaded sleeve and a second clamping piece, the second clamping piece is provided with a clamping hole 2, the second threaded sleeve is arranged on the outside of the limiting tube and located in the clamping hole 2, and a clamping ring 3 and a clamping ring 4 are arranged on both sides of the clamping hole 2, the clamping ring 3 and the clamping ring 4 are threadedly connected to the second threaded sleeve, and the second threaded sleeve is perpendicular to the shift handle.

[0017] The beneficial effect of adopting the above-mentioned further technical solution is: by arranging a second threaded sleeve on the outside of the limit tube, tightening the clamping ring three and the clamping ring four to fix the limit tube on the second clamping member, and the second threaded sleeve is perpendicular to the shift handle, so that the pull rope moves when the shift handle moves, and the distance the pull rope moves on the handrail is consistent with the distance the shift handle moves on the handrail, thereby quickly and conveniently operating the movement of the pull rope.

[0018] Further, the shift arm includes a shift lever, a shift member, and a positioning device, one end of the shift lever is rotatably connected to the first hinge mechanism, the other end of the shift lever is fixedly connected to the shift member, the shift member is slidably matched with the positioning device, and the shift member is rotatably connected to the shift shaft;

[0019] Preferably, the shift lever and the shift member are arranged at an angle.

[0020] The beneficial effects of adopting the above-mentioned further technical solution are as follows: when the pull rope moves to the left, the shift arm rotates to the right by a certain angle, and at the same time the shift arm slides and cooperates at the positioning device on the armrest seat, thereby driving the shift shaft on the gearbox to move to the right; when the pull rope moves to the right, the shift arm rotates to the left by a certain angle, and at the same time the shift arm slides and cooperates at the positioning device on the armrest seat, thereby driving the shift shaft on the gearbox to move to the left.

[0021] Furthermore, the shifting member is provided with an adjusting groove and a positioning sliding groove;

[0022] The positioning device comprises a support rod, a positioning clamp is arranged on the support rod, the positioning clamp is slidably matched with the positioning slide groove, and one end of the support rod is arranged in the adjustment groove.

[0023] The beneficial effect of adopting the above further technical solution is: by arranging the upper adjustment groove and the positioning slide groove on the shift arm, the shift arm is prevented from being offset during the rotation process, and the shift shaft is further prevented from being offset in the moving direction.

[0024] Furthermore, the positioning clamp comprises a positioning column, one end of which is provided with a positioning block, and the other end of which is provided with a positioning pin, and the positioning block and the positioning pin are respectively provided on both sides of the positioning slot.

[0025] The beneficial effect of adopting the above-mentioned further technical solution is: the shift member is clamped on the positioning column by the positioning block and the positioning pin, so that the positioning column and the positioning groove can slide together, and the shift member can rotate and slide on the positioning column, thereby driving the shift shaft to move left and right under the drive of the pull rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the structure of a rotary tiller with a new gear shift mechanism Figure 1 ;

[0027] Figure 2 A schematic diagram of the structure of a rotary tiller with a new gear shift mechanism Figure 2 ;

[0028] Figure 3 It is a structural schematic diagram of the cooperation between the support plate and the push-pull mechanism;

[0029] Figure 4 It is a schematic diagram of the structure of the push-pull mechanism of the right handle;

[0030] Figure 5 It is a schematic diagram of the structure of the push-pull mechanism and the gear shift adjustment mechanism;

[0031] Figure 6 is a schematic diagram of the structure of the positioning device;

[0032] Markings in the figure: 100, gearbox; 101, shift shaft; 200, armrest seat; 300, armrest frame; 400, shift handle; 500 push-pull mechanism; 510, fixing device 1; 511, first threaded sleeve; 512, first clamping member; 513, clamping hole 1; 514, snap ring 1; 515, snap ring 2; 516, elastic member; 520, fixing device 2; 521, second threaded sleeve; 522, second clamping member; 523, clamping hole 2; 524, snap ring 3 ; 525, snap ring four; 530, limit tube; 540, pull rope; 550, first hinge mechanism; 551, U-shaped member one; 552, rotating shaft one; 560, second hinge mechanism; 561, U-shaped member two; 562, rotating shaft two; 600, shift arm; 610, shift lever; 620, shift member; 630, positioning device; 621, adjustment slot; 622, positioning slide slot; 631, support rod; 632, positioning column; 633, positioning block; 634, positioning pin. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention.

[0034] This embodiment provides embodiment 1

[0035] See also Figure 1-6In view of the above problems, the utility model designs a rotary tiller with a novel shifting mechanism, including a gearbox 100, an armrest seat 200 and a shifting shaft 101 are arranged on the gearbox 100, an armrest frame 300 and a shifting arm 600 are arranged on the armrest seat 200, a push-pull mechanism 500 is arranged between the armrest frame 300 and the armrest seat 200, a shifting handle 400 is arranged on the armrest frame 300, and two ends of the push-pull mechanism 500 are respectively connected to the shifting arm 600 and the shifting handle 400, and the shifting arm 600 is connected to the shifting shaft 101; by arranging the push-pull mechanism 500 between the armrest frame 300 and the armrest seat 200, the push-pull mechanism 500 The shift arm 600 and the shift handle 400 are arranged at both ends of the pulling mechanism 500. One end of the shift arm 600 is connected to the push-pull mechanism 500, and the other end of the shift arm 600 is connected to the shift shaft 101 on the gearbox 100. The shift handle 400 is arranged on the armrest frame 300. By controlling the shift handle 400, the shift handle 400 drives the push-pull mechanism 500 to move. When the shift handle 400 is switched to a different gear position, the push-pull mechanism 500 moves to drive the shift arm 600 to move, and the shift arm 600 drives the shift shaft 101 on the gearbox 100 to move left and right, thereby realizing the position change of the gear connected to the shift shaft 101, thereby controlling the walking of the rotary tiller. By controlling the shift handle 400 on the armrest frame 300 to control the walking of the rotary tiller, it is avoided to bend over to shift gears, improve the user's comfort and effect, avoid safety accidents, reduce the trouble of the user's use process, and facilitate the user's use.

[0036] The gearbox 100 is provided with a power input shaft, which is connected to the engine via a belt or a chain. The gearbox 100 is connected to a walking mechanism and a rotary tillage working mechanism. A resistance rod is provided on the side of the gearbox 100 away from the engine.

[0037] See also Figure 3-4As an embodiment, the push-pull mechanism 500 includes a fixing device 1 510 and a fixing device 2 520, wherein the fixing device 1 510 is arranged on the armrest seat 200, and the fixing device 2 520 is arranged on the armrest frame 300, and a limit tube 530 is arranged between the fixing device 1 510 and the fixing device 2 520, and a pull rope 540 is arranged in the limiting tube 530, and a first hinge mechanism 550 is arranged between the pull rope 540 and the shift arm 600, and a second hinge mechanism 560 is arranged between the pull rope 540 and the shift handle 400; by arranging the fixing device 1 510 and the fixing device 2 520, the limit tube 530 is fixed to the armrest frame 300 and Between the armrest seat 200, the consumer operates the shift handle 400 on the armrest frame 300 to pull the pull rope 540 to move in the limit tube 530, thereby driving the shift arm 600 to move. By setting the first hinge mechanism 550, when the pull rope 540 is displaced, the U-shaped component 551 moves, and the shift arm 600 cooperates with the rotating shaft 552 to rotate a certain angle, so that the shift mechanism on the gearbox 100 moves left and right. By setting the second hinge mechanism 560, the U-shaped component 561 is connected to the other end of the pull rope 540, and the rotating shaft 562 is rotatably connected to the shift handle 400, so that the shift handle 400 and the pull rope can be flexibly matched, so that the user can operate conveniently.

[0038] The first articulated mechanism 550 includes a U-shaped component 551, on which a rotating shaft 552 is rotatably provided, the U-shaped component 551 is connected to one end of the pull rope 540, and the rotating shaft 552 is rotatably connected to the shift arm 600; by providing a rotating shaft 552 on the U-shaped component 551, the U-shaped component 551 is connected to one end of the pull rope 540, and the rotating shaft 552 is rotatably connected to the shift arm 600, the pull rope 540 drives the U-shaped component 551 to move left and right, and the left and right movement of the U-shaped component 551 drives the shift arm 600 to rotate left and right, thereby driving the shift shaft 101 to move left and right.

[0039] The second articulated mechanism 560 includes a second U-shaped component 561, on which a second rotating shaft 562 is rotatably provided, the second U-shaped component 561 is connected to the other end of the pull rope 540, and the second rotating shaft 562 is rotatably connected to the shift handle 400; by providing a second rotating shaft 562 on the second U-shaped component 561, the second U-shaped component 561 is connected to the other end of the pull rope 540, and the second rotating shaft 562 is rotatably connected to the shift handle 400, the shift handle 400 drives the second U-shaped component 561 to move, thereby driving the pull rope 540 to move.

[0040] The fixing device 1 510 includes a first threaded sleeve 511 and a first clamping member 512. The first clamping member 512 is provided with a clamping hole 1 513. The first threaded sleeve 511 is arranged on the outside of the limiting tube 530 and is located in the clamping hole 1 513. The two sides of the clamping hole 1 513 are provided with a snap ring 1 514 and a snap ring 2 515. The snap ring 1 514 and the snap ring 2 515 are threadedly connected to the first threaded sleeve 511. The first threaded sleeve 511 is connected to the shift shaft. 101 is parallel; by setting a first threaded sleeve 511 on the outer side of the limiting tube 530, tightening the retaining ring 1 514 and the retaining ring 2 515, the limiting tube 530 is fixed on the first clamping member 512, and the first threaded sleeve 511 is parallel to the shift shaft 101, so that the pull rope 540 on the armrest seat 200 moves parallel to the shift shaft 101 when moving, so that the pull rope 540 and the shift shaft 101 maintain a certain horizontal distance when moving, thereby avoiding deviation in the moving distance of the shift shaft 101.

[0041] An elastic member 516 is arranged between the second snap ring 515 and the U-shaped member 1 551. The elastic member 516 is parallel to the shift shaft 101 and is arranged on the outside of the pull rope 540. By arranging the elastic member 516 between the second snap ring 515 and the U-shaped member 1 551, a certain buffering force is provided to the user during the shifting process, a certain buffering space is provided to the user during the shifting process, and the user's operating feel is increased.

[0042] The second fixing device 520 includes a second threaded sleeve 521 and a second clamping member 522. The second clamping member 522 is provided with a second clamping hole 523. The second threaded sleeve 521 is arranged outside the limiting tube 530 and located in the second clamping hole 523. A third clamping ring 524 and a fourth clamping ring 525 are arranged on both sides of the second clamping hole 523. The third clamping ring 524 and the fourth clamping ring 525 are threadedly connected with the second threaded sleeve 521. The second threaded sleeve 521 is perpendicular to the shift handle 400. By setting a second threaded sleeve 521 on the outside of the limiting tube 530, tightening the snap ring three 524 and the snap ring four 525, the limiting tube 530 is fixed on the second clamping member 522, and the second threaded sleeve 521 is perpendicular to the shift handle 400, so that when the shift handle 400 moves, the pull rope 540 also moves, and the moving distance of the pull rope 540 on the handrail frame 300 is consistent with the moving distance of the shift handle 400 on the handrail frame 300, thereby quickly and conveniently operating the movement of the pull rope 540.

[0043] See also Figure 5The shift arm 600 includes a shift lever 610, a shift member 620, and a positioning device 630. One end of the shift lever 610 is rotatably connected to the first hinge mechanism 550, and the other end of the shift lever 610 is fixedly connected to the shift member 620. The shift member 620 and the positioning device 630 are slidably matched, and the shift member 620 is rotatably connected to the shift shaft 101. Preferably, the shift lever 610 and the shift member 620 are arranged obliquely. When the pull rope 540 is moved to When moving to the left, the shift arm 600 rotates to the right by a certain angle, and at the same time, the shift arm 600 slides and cooperates with the positioning device 630 on the armrest seat 200, thereby driving the shift shaft 101 on the gearbox 100 to move to the right; when the pull rope 540 moves to the right, the shift arm 600 rotates to the left by a certain angle, and at the same time, the shift arm 600 slides and cooperates with the positioning device 630 on the armrest seat 200, thereby driving the shift shaft 101 on the gearbox 100 to move to the left.

[0044] The shifting member 620 is provided with an adjusting groove 621 and a positioning sliding groove 622;

[0045] The positioning device 630 includes a support rod 631, on which a positioning clamp is provided. The positioning clamp is slidably matched with the positioning slide groove 622, and one end of the support rod 631 is set in the adjustment groove 621; by providing an upper adjustment groove 621 and a positioning slide groove 622 on the shift arm 600, the shift arm 600 is prevented from being offset during the rotation process, and the shift direction of the shift shaft 101 is further prevented from being offset.

[0046] See also Figure 6 The positioning clamping member includes a positioning column 632, one end of the positioning column 632 is provided with a positioning block 633, and the other end of the positioning column 632 is provided with a positioning pin 634, and the positioning block 633 and the positioning pin 634 are respectively arranged on both sides of the positioning slide groove 622; the shift member 620 is clamped on the positioning column 632 by the positioning block 633 and the positioning pin 634, so that the positioning column 632 and the positioning slide groove 622 are slidably matched, so that the shift member 620 can rotate and slide on the positioning column 632, thereby driving the shift shaft 101 to move left and right under the drive of the pull rope 540.

[0047] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A rotary tiller with a novel gear shift mechanism, comprising a gearbox (100), characterized in that: The gearbox (100) is provided with an armrest seat (200) and a shift shaft (101); the armrest seat (200) is provided with an armrest frame (300) and a shift arm (600); a push-pull mechanism (500) is provided between the armrest frame (300) and the armrest seat (200); the armrest frame (300) is provided with a shift handle (400); two ends of the push-pull mechanism (500) are respectively connected to the shift arm (600) and the shift handle (400); and the shift arm (600) is connected to the shift shaft (101).

2. The rotary tiller with a novel gear shift mechanism according to claim 1, characterized in that: The push-pull mechanism (500) comprises a fixing device 1 (510) and a fixing device 2 (520), wherein the fixing device 1 (510) is arranged on the armrest seat (200), and the fixing device 2 (520) is arranged on the armrest frame (300), a limit tube (530) is arranged between the fixing device 1 (510) and the fixing device 2 (520), a pull rope (540) is arranged in the limit tube (530), a first hinge mechanism (550) is arranged between the pull rope (540) and the shift arm (600), and a second hinge mechanism (560) is arranged between the pull rope (540) and the shift handle (400).

3. The rotary tiller with a novel gear shifting mechanism according to claim 2 is characterized in that: The first hinge mechanism (550) comprises a U-shaped component (551), on which a rotating shaft (552) is rotatably arranged, the U-shaped component (551) is connected to one end of a pull rope (540), and the rotating shaft (552) is rotatably connected to a shift arm (600).

4. The rotary tiller with a novel gear shift mechanism according to claim 2, characterized in that: The second hinge mechanism (560) comprises a second U-shaped component (561), on which a second rotating shaft (562) is rotatably provided. The second U-shaped component (561) is connected to the other end of the pull rope (540), and the second rotating shaft (562) is rotatably connected to the shift handle (400).

5. The rotary tiller with a novel gear shifting mechanism according to claim 3 is characterized in that: The fixing device (510) comprises a first threaded sleeve (511) and a first clamping piece (512); the first clamping piece (512) is provided with a clamping hole (513); the first threaded sleeve (511) is arranged on the outer side of the limiting tube (530) and located in the clamping hole (513); a snap ring (514) and a snap ring (515) are arranged on both sides of the clamping hole (513); the snap ring (514) and the snap ring (515) are threadedly connected to the first threaded sleeve (511); the first threaded sleeve (511) is parallel to the shift shaft (101).

6. The rotary tiller with a novel gear shift mechanism according to claim 5, characterized in that: An elastic member (516) is arranged between the second snap ring (515) and the first U-shaped member (551), the elastic member (516) is parallel to the shift shaft (101), and the elastic member (516) is arranged on the outside of the pull rope (540).

7. The rotary tiller with a novel gear shift mechanism according to claim 2, characterized in that: The second fixing device (520) comprises a second threaded sleeve (521) and a second clamping piece (522); the second clamping piece (522) is provided with a second clamping hole (523); the second threaded sleeve (521) is arranged on the outer side of the limiting tube (530) and is located in the second clamping hole (523); a third clamping ring (524) and a fourth clamping ring (525) are arranged on both sides of the second clamping hole (523); the third clamping ring (524) and the fourth clamping ring (525) are threadedly connected to the second threaded sleeve (521); the second threaded sleeve (521) is perpendicular to the shift handle (400).

8. The rotary tiller with a novel gear shifting mechanism according to claim 1 is characterized in that: The shift arm (600) comprises a shift lever (610), a shift member (620), and a positioning device (630); one end of the shift lever (610) is rotatably connected to the first hinge mechanism (550); the other end of the shift lever (610) is connected to the shift member (620); the shift member (620) and the positioning device (630) are slidably matched; and the shift member (620) is rotatably connected to the shift shaft (101).

9. The rotary tiller with a novel gear shifting mechanism according to claim 8, characterized in that: The shift lever (610) and the shift member (620) are arranged obliquely.

10. The rotary tiller with a novel gear shifting mechanism according to claim 9, characterized in that: The shifting member (620) is provided with an adjusting groove (621) and a positioning sliding groove (622); The positioning device comprises a support rod (631), a positioning clamping piece is arranged on the support rod (631), the positioning clamping piece is slidably matched with the positioning slide groove (622), and one end of the support rod (631) is arranged in the adjustment groove (621).

11. The rotary tiller with a novel gear shifting mechanism according to claim 10, characterized in that: The positioning clamping member comprises a positioning column (632), one end of which is provided with a positioning block (633), and the other end of which is provided with a positioning pin (634), and the positioning block (633) and the positioning pin (634) are respectively provided on both sides of the positioning slide groove (622).

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