CN112449859A

CN112449859A - Hand propelled is lawn mower for fruit and vegetable planting

Info

Publication number: CN112449859A
Application number: CN202011292679.8A
Authority: CN
Inventors: 吴勇; 许士远; 张东昌
Original assignee: Anhui Hengtian Ecological Agriculture Co ltd
Current assignee: Anhui Hengtian Ecological Agriculture Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-03-09

Abstract

The invention relates to the technical field of mowers, in particular to a hand-push type mower for fruit and vegetable planting, which comprises a hollow mowing box, wherein the right side of the upper end of the mowing box is fixedly provided with a handrail which extends upwards and slantwise, and the middle part of the upper end of the mowing box is fixedly provided with a motor; the left side of the lower end of the mowing box is fixedly provided with an auxiliary travelling wheel, and the middle of the lower end of the mowing box is provided with a through hole; a connecting box is fixedly arranged at the upper end of the inner cavity of the mowing box, a first gear is arranged in the connecting box, and the first gear is in transmission connection with the output end of the motor through a first rotating shaft; through the setting of first spring and first dog, can upwards remove when the cutter runs into hard things such as ground, stone, branch, realize dodging of cutter under the circumstances of guaranteeing the cutter normal rotation, on the one hand, avoid hard collision to lead to the cutter to damage, increase of service life, on the other hand also avoids hard thing to splash and hinders the people, improves the security performance.

Description

Hand propelled is lawn mower for fruit and vegetable planting

Technical Field

The invention relates to the technical field of mowers, in particular to a hand-push type mower for planting fruits and vegetables.

Background

The mower is a mechanical tool for trimming lawn, vegetation and the like, and comprises a cutter head, an engine, a traveling wheel, a traveling mechanism, blades, a handrail and a control part, wherein the cutter head is arranged on the traveling wheel, the engine is arranged on the cutter head, the blades are arranged on an output shaft of the engine, the blades are greatly improved in speed by utilizing the high-speed rotation of the engine, the operation time of weeders is saved, a large amount of manpower resources are reduced, the weeder develops agricultural mechanization, the working efficiency is improved, the agricultural production efficiency is improved, the mower is an important mower serving as a tool in agricultural production in our big agricultural country, and has the most direct influence on the yield of crops A lawn mower is a mechanical tool for trimming lawn and vegetation, is divided into a diesel engine and a gasoline engine, and comprises a cutter head, an engine, a traveling wheel, a traveling mechanism, a blade, a handrail, a controller and the like.

The Chinese patent (application number: 2015203251961) discloses a portable mower structure, which comprises a handle and a cutter head, wherein the handle is fixedly connected with the cutter head through a connecting rod, the handle is connected with a handle, a plurality of lithium batteries are arranged in the handle, a starting switch and a power supply charging hole are arranged on the handle, the lithium batteries are electrically connected with the starting switch and the power supply charging hole, a motor and a blade are arranged in the cutter head, the motor and the blade are correspondingly arranged, and the motor is electrically connected with the starting switch; however, the ground surface of the mower is uneven in the working process, and the mower cannot automatically adjust the height, so that the mower can often collide with hard objects such as the ground, stones, branches and the like, the rotating blade is damaged, and the safety and the service life are influenced; in addition, when the lawn mower is used, the worker must move the lawn mower in a handheld mode, so that the blades are difficult to ensure to be at the same height, the quality of trimming the lawn is affected, the labor intensity is high, and the lawn mower is not beneficial to the mowing work.

The hand-push type mower for fruit and vegetable planting is designed, the first spring and the first stop block are arranged, so that the cutter can move upwards when encountering hard objects such as ground, stones, branches and the like, the cutter is avoided under the condition of ensuring normal rotation of the cutter, on one hand, the cutter is prevented from being damaged due to hard collision, the service life is prolonged, on the other hand, the hard objects are prevented from splashing to hurt people, and the safety performance is improved.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that the conventional mower cannot automatically adjust the height, so that the conventional mower often collides with hard objects such as the ground, stones, branches and the like, a rotating blade is damaged, and the safety and the service life are influenced, the invention provides the hand-push type mower for planting fruits and vegetables.

The technical scheme adopted by the invention for solving the technical problems is as follows: a hand-push type mower for fruit and vegetable planting comprises a hollow mowing box, wherein a handrail which extends upwards and slantwise is fixedly arranged on the right side of the upper end of the mowing box, and a motor is fixedly arranged in the middle of the upper end of the mowing box; the left side of the lower end of the mowing box is fixedly provided with an auxiliary travelling wheel, and the middle of the lower end of the mowing box is provided with a through hole; a connecting box is fixedly arranged at the upper end of the inner cavity of the mowing box, a first gear is arranged in the connecting box, the first gear is in transmission connection with the output end of the motor through a first rotating shaft, a second gear meshed with the first gear is arranged on one side in the connecting box, and the tooth width of the first gear is larger than that of the second gear; the second gear is fixedly arranged at the upper end of a second rotating shaft, the second rotating shaft penetrates through the lower end of the connecting box and the through hole and then extends to the lower end of the mowing box to be connected with the cutter, and the lower end of the connecting box is correspondingly provided with a guide hole matched with the second rotating shaft; a first stop block is arranged on the periphery of a second rotating shaft in the connecting box, and a first spring is arranged between the first stop block and the bottom wall of the connecting box.

When the lawn mower is used, the mowing box can be pushed by the handrail and the auxiliary travelling wheels can further enable the auxiliary travelling wheels to roll on the ground through the arrangement of the handrail and the auxiliary travelling wheels, so that the hand-push type movement of the mowing box is realized, compared with a lifting type mowing machine, the force for lifting the mowing box can be reduced, the labor intensity is reduced, and meanwhile, the distance between the cutter and the ground is approximately the same due to the fact that the auxiliary travelling wheels are fixed in height, so that a trimmed lawn is flush, and the trimming quality is guaranteed; the rotation of the first rotating shaft is driven through the rotation of the motor, then the first rotating shaft drives the second rotating shaft to rotate through the first gear and the second gear which are meshed with each other, so that the cutter is driven to rotate, the mowing operation is realized, due to the arrangement of the first spring and the first stop block, the cutter can move upwards when encountering hard objects such as ground, stones, branches and the like, the avoidance of the cutter is realized under the condition of ensuring the normal rotation of the cutter, on one hand, the damage of the cutter caused by hard collision is avoided, the service life is prolonged, on the other hand, the splashing of the hard objects to hurt people is also avoided, and the safety performance is improved; set up the connecting box, can enough provide the support for first spring, can protect first gear and second gear transmission smoothly again, avoid the grass bits to fly into and lead to the dead condition of card.

Preferably, the lower end of the mowing box on the left side of the through hole is provided with a comb plate arranged in the front-back direction, and the comb plate is located on the right side of the auxiliary travelling wheel. Due to the arrangement of the comb plate, stones mixed in grass can be screened out before the grass is mowed by the cutter, the cutter is further prevented from being damaged due to collision of the stones with the cutter, and the service life of the cutter is prolonged; simultaneously, the fishback can also be upright with the grass of lodging, avoids leaking to cut partial grass and influences holistic effect of mowing.

Preferably, a grass collecting box is fixedly arranged on the right side of the grass cutting box, and a detachable cover plate is arranged at the upper end of the grass collecting box; the grass mowing box is communicated with the grass collecting box through a collecting hole formed in the upper portion of the left wall of the grass collecting box, and an exhaust hole with a filter screen is formed in the lower end of the right wall of the grass collecting box. Because the cutter when the rotation cuts off weeds, the rotation of cutter self can produce less air current, can blow up partial grass bits, makes it follow the air current and gets into the grass collection box through the collection hole, and the air current can be followed the exhaust hole and discharged, and the grass bits is then held back and is collected in receiving the grass collection box, consequently avoids the condition that the grass bits danced in the air and pollute the surrounding environment.

Preferably, the front side and the rear side of the grass collecting box are symmetrically provided with main travelling wheels. Through the setting of main walking wheel, can use with the cooperation of supplementary walking wheel for the user no longer need carry the handrail, reduces intensity of labour, simultaneously because the height determination of main walking wheel and supplementary walking wheel, consequently the cutter just also can be confirmed with the height on ground, consequently makes the lawn flush after the pruning, guarantees the quality of pruning.

Preferably, a plurality of horizontally arranged cross rods are uniformly distributed on a second rotating shaft in the mowing box, a second stop block is arranged at the free end of each cross rod, rotating fan blades are sleeved on the cross rods, and an inclined downward windward surface is arranged on one side of each rotating fan blade facing the rotating direction of the rotating fan blade. Through the arrangement of the rotating fan blades, the rotating fan blades can be driven to rotate through the cross rod when the second rotating shaft rotates, and because the side, facing the rotating direction, of the rotating fan blades is provided with the windward surface inclining downwards, an upward airflow is formed, so that partial inclined grass is upright, and the influence on the whole mowing effect due to the fact that partial grass is missed to be cut is further avoided; in addition, when the airflow generated by the rotating fan blades is large, grass scraps can be sucked and concentrated in the grass collecting box.

Preferably, the rotating fan blade can rotate around the cross rod, an adjusting sleeve is arranged between the rotating fan blade and the second stop block, the adjusting sleeve is sleeved outside the cross rod, and a second spring is arranged between the adjusting sleeve and the second stop block; a guide sliding block is fixedly arranged on the inner side of the adjusting sleeve, and a spiral guide groove matched with the guide sliding block is formed in the cross rod; one side of the adjusting sleeve, which faces the rotating fan blades, is fixedly connected with the rotating fan blades through connecting rods. Under the action of centrifugal force, the adjusting sleeve can compress the second spring to move outwards when the rotating speed of the second rotating shaft is higher, so that the adjusting sleeve can rotate around the cross rod under the combined action of the guide sliding block and the spiral guide groove, the rotating fan blades are driven by the connecting rod, the angle of the rotating fan blades is adjusted to reduce the air volume formed by the rotating fan blades, grass is kept in a vertical state by the small air volume when the cutter cuts at high speed, the grass cutting efficiency is guaranteed, energy is saved, and the grass cutting mode is realized; and when the rotating speed of the second rotating shaft is slower, the adjusting sleeve moves inwards under the action of the second spring, and then the angle of the rotating fan blades is adjusted to increase the air volume formed by the rotating fan blades, so that the grass scraps which are not sucked up in the mowing mode can be sucked up and collected, and the grass collecting mode is realized.

The invention has the following beneficial effects:

1. according to the hand-push type mower for fruit and vegetable planting, due to the arrangement of the first spring and the first stop block, the cutter can move upwards when encountering hard objects such as ground, stones, branches and the like, and the cutter can be avoided under the condition that the cutter normally rotates, so that on one hand, the cutter is prevented from being damaged due to hard collision, the service life is prolonged, on the other hand, the hard objects are prevented from splashing to hurt people, and the safety performance is improved.

2. According to the hand-push type mower for fruit and vegetable planting, the conversion between the mowing mode and the grass collecting mode can be realized by adjusting the rotating speed of the second rotating shaft through the arrangement of the adjusting sleeve and the second spring, so that the energy consumption is reduced while the functions are realized.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a partial cross-sectional view of the present invention with the armrest removed;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a partial enlarged view at B in FIG. 3;

fig. 6 is a schematic structural view of the comb plate of the present invention;

FIG. 7 is a perspective view of the present invention at a cross bar;

in the figure:

1. a mowing box; 11. a through hole; 12. a comb plate; 13. a collection well; 14. a connecting box; 2. a grass collecting box; 21. an exhaust hole; 3. a main traveling wheel; 31. auxiliary walking wheels; 4. a handrail; 5. a motor; 51. a first rotating shaft; 52. a first gear; 6. a cutter; 61. a second rotating shaft; 62. a second gear; 63. a first stopper; 64. a first spring; 7. a cross bar; 71. rotating the fan blades; 72. an adjusting sleeve; 73. a second spring; 74. a second stopper; 75. the windward side; 76. a connecting rod; 77. a spiral guide groove; 78. and a guide slide block.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 7, a hand-push type mower for fruit and vegetable planting comprises a hollow mowing box 1, wherein a handrail 4 extending upwards and obliquely is fixedly arranged on the right side of the upper end of the mowing box 1, and a motor 5 is fixedly arranged in the middle of the upper end of the mowing box 1; an auxiliary walking wheel 31 is fixedly arranged on the left side of the lower end of the mowing box 1, and a through hole 11 is formed in the middle of the lower end of the mowing box 1; a connecting box 14 is fixedly arranged at the upper end of the inner cavity of the mowing box 1, a first gear 52 is arranged in the connecting box 14, the first gear 52 is in transmission connection with the output end of the motor 5 through a first rotating shaft 51, a second gear 62 meshed with the first gear 52 is arranged on one side in the connecting box 14, and the tooth width of the first gear 52 is larger than that of the second gear 62; the second gear 62 is fixedly arranged at the upper end of the second rotating shaft 61, the second rotating shaft 61 passes through the lower end of the connecting box 14 and the through hole 11 and then extends to the lower end of the mowing box 1 to be connected with the cutter 6, and the lower end of the connecting box 14 is correspondingly provided with a guide hole matched with the second rotating shaft 61; a first stop block 63 is arranged on the periphery of the second rotating shaft 61 in the connecting box 14, and a first spring 64 is arranged between the first stop block 63 and the bottom wall of the connecting box 14.

When the lawn mower is used, the mowing box 1 can be pushed by the handrail 4 through the arrangement of the handrail 4 and the auxiliary travelling wheel 31, so that the auxiliary travelling wheel 31 rolls on the ground, the hand-push type movement of the mowing box 1 is realized, compared with a lifting type mower, the force for lifting the mowing box 1 can be reduced, the labor intensity is reduced, and meanwhile, the distance between the cutter 6 and the ground is approximately the same because the auxiliary travelling wheel 31 is fixed in height, so that the trimmed lawn is flush, and the trimming quality is ensured; the rotation of the first rotating shaft 51 is driven by the rotation of the motor 5, then the first rotating shaft 51 drives the second rotating shaft 61 to rotate through the first gear 52 and the second gear 62 which are meshed with each other, so as to drive the cutter 6 to rotate, so that the mowing operation is realized, and due to the arrangement of the first spring 64 and the first stop block 63, the cutter 6 can move upwards when encountering hard objects such as ground, stones, branches and the like, so that the cutter 6 can be avoided under the condition that the cutter 6 normally rotates, on one hand, the damage of the cutter 6 caused by hard collision is avoided, the service life is prolonged, on the other hand, the splashing of the hard objects is also avoided, and the safety performance is improved; the connecting box 14 is arranged to support the first spring 64 and protect the first gear 52 and the second gear 62 from smooth transmission, so that the situation that grass clippings fly into the connecting box to cause jamming is avoided.

As an embodiment of the present invention, the lower end of the mowing box 1 on the left side of the through hole 11 is provided with a comb plate 12 arranged in the front-rear direction, and the comb plate 12 is positioned on the right side of the auxiliary traveling wheel 31. Due to the arrangement of the comb plate 12, stones mixed in grass can be screened out before the cutting knife 6 mows, the cutting knife 6 is further prevented from being damaged due to the fact that the stones collide with the cutting knife 6, and the service life of the cutting knife 6 is prolonged; meanwhile, the comb plate 12 can also erect the fallen grass, so that the influence of missed cutting on the overall mowing effect is avoided.

As an embodiment of the invention, a grass collecting box 2 is fixedly arranged at the right side of the grass cutting box 1, and a detachable cover plate is arranged at the upper end of the grass collecting box 2; grass mowing box 1 and grass collecting box 2 are communicated through collecting hole 13 located on the upper portion of the left wall of grass collecting box 2, and exhaust hole 21 with a filter screen is arranged at the lower end of the right wall of grass collecting box 2. Because cutter 6 is when the rotation cuts off weeds, the rotation of cutter 6 self can produce less air current, can blow up partial grass bits, makes it follow the air current and gets into grass collecting box 2 through collecting hole 13, and the air current can be followed exhaust hole 21 and discharged, and the grass bits is then held back and is collected in grass collecting box 2, consequently avoids the condition that the grass bits danced and pollute the surrounding environment.

In one embodiment of the present invention, the grass collecting box 2 is symmetrically provided with main traveling wheels 3 at front and rear sides thereof. Through the setting of main travelling wheel 3, can use with the cooperation of auxiliary travelling wheel 31 for the user no longer need carry handrail 4, reduces intensity of labour, simultaneously because the height of main travelling wheel 3 and auxiliary travelling wheel 31 is confirmed, consequently cutter 6 just can also confirm with the height on ground, consequently makes the lawn of pruning level, guarantees the quality of pruning.

As an embodiment of the present invention, a plurality of horizontal bars 7 are uniformly distributed on the second rotating shaft 61 in the mowing box 1, a second stopper 74 is disposed at a free end of each horizontal bar 7, a rotating fan blade 71 is sleeved on each horizontal bar 7, and a windward surface 75 inclined downward is disposed on the rotating fan blade 71 toward one side of the rotating direction. Through the arrangement of the rotating fan blades 71, the rotating fan blades 71 can be driven to rotate through the cross rod 7 when the second rotating shaft 61 rotates, and because the inclined downward windward surfaces 75 are arranged on the rotating fan blades 71 towards one side of the rotating direction, an upward airflow is formed, so that partial inclined grass is upright, and the influence on the overall mowing effect due to the missed cutting of partial grass is further avoided; in addition, when the airflow generated by the rotary fan blades 71 is large, grass clippings can be sucked and concentrated in the grass collecting box 2.

As an embodiment of the present invention, the rotating fan blade 71 can rotate around the cross bar 7, an adjusting sleeve 72 is disposed between the rotating fan blade 71 and the second stopper 74, the adjusting sleeve 72 is sleeved outside the cross bar 7, and a second spring 73 is disposed between the adjusting sleeve 72 and the second stopper 74; a guide sliding block 78 is fixedly arranged on the inner side of the adjusting sleeve 72, and a spiral guide groove 77 matched with the guide sliding block 78 is arranged on the cross rod 7; the adjusting sleeve 72 is fixedly connected with the rotating fan blade 71 through a connecting rod 76 on one side facing the rotating fan blade 71. Under the action of centrifugal force, the adjusting sleeve 72 can compress the second spring 73 to move outwards when the rotating speed of the second rotating shaft 61 is high, so that the second spring can rotate around the cross rod 7 under the combined action of the guide sliding block 78 and the spiral guide groove 77, the connecting rod 76 drives the rotating fan blades 71, the angle of the rotating fan blades 71 is adjusted to reduce the air volume formed by the rotating fan blades 71, the grass is kept in a vertical state by the small air volume when the cutter 6 cuts at high speed, the grass cutting efficiency is guaranteed, energy is saved, and the grass cutting mode is realized; when the rotation speed of the second rotating shaft 61 is relatively low, the adjusting sleeve 72 moves inwards under the action of the second spring 73, and then the angle of the rotating fan blades 71 is adjusted to increase the air volume formed by the rotating fan blades, so that the grass scraps which are not sucked up in the grass cutting mode can be sucked up and collected, and the grass collecting mode is realized.

When the lawn mower is used, the mowing box 1 can be pushed by the handrail 4 through the arrangement of the handrail 4 and the auxiliary travelling wheel 31, so that the auxiliary travelling wheel 31 rolls on the ground, the hand-push type movement of the mowing box 1 is realized, compared with a lifting type mower, the force for lifting the mowing box 1 can be reduced, the labor intensity is reduced, and meanwhile, the distance between the cutter 6 and the ground is approximately the same because the auxiliary travelling wheel 31 is fixed in height, so that the trimmed lawn is flush, and the trimming quality is ensured; the rotation of the first rotating shaft 51 is driven by the rotation of the motor 5, then the first rotating shaft 51 drives the second rotating shaft 61 to rotate through the first gear 52 and the second gear 62 which are meshed with each other, so as to drive the cutter 6 to rotate, so that the mowing operation is realized, and due to the arrangement of the first spring 64 and the first stop block 63, the cutter 6 can move upwards when encountering hard objects such as ground, stones, branches and the like, so that the cutter 6 can be avoided under the condition that the cutter 6 normally rotates, on one hand, the damage of the cutter 6 caused by hard collision is avoided, the service life is prolonged, on the other hand, the splashing of the hard objects is also avoided, and the safety performance is improved; the connecting box 14 is arranged, so that the first spring 64 can be supported, the first gear 52 and the second gear 62 can be protected from being smoothly transmitted, and the situation that grass scraps fly into the connecting box to cause clamping is avoided; due to the arrangement of the comb plate 12, stones mixed in grass can be screened out before the cutting knife 6 mows, the cutting knife 6 is further prevented from being damaged due to the fact that the stones collide with the cutting knife 6, and the service life of the cutting knife 6 is prolonged; meanwhile, the comb plate 12 can erect the fallen grass, so that the whole mowing effect is prevented from being influenced by missed cutting of partial grass; when the cutting knife 6 rotationally cuts off weeds, the rotation of the cutting knife 6 can generate small air flow, and part of the grass clippings can be blown up to enter the grass collecting box 2 along with the air flow through the collecting hole 13, the air flow can be discharged from the exhaust hole 21, and the grass clippings are intercepted and collected in the grass collecting box 2, so that the situation that the grass clippings fly to pollute the surrounding environment is avoided; the main traveling wheel 3 can be matched with the auxiliary traveling wheel 31 for use, so that a user does not need to lift the handrail 4 any more, the labor intensity is reduced, and meanwhile, the height of the cutter 6 and the ground can be determined due to the determination of the heights of the main traveling wheel 3 and the auxiliary traveling wheel 31, so that the trimmed lawn is flush, and the trimming quality is ensured; through the arrangement of the rotating fan blades 71, the rotating fan blades 71 can be driven to rotate through the cross rod 7 when the second rotating shaft 61 rotates, and because the inclined downward windward surfaces 75 are arranged on the rotating fan blades 71 towards one side of the rotating direction, an upward airflow is formed, so that partial inclined grass is upright, and the influence on the overall mowing effect due to the missed cutting of partial grass is further avoided; in addition, when the airflow generated by the rotating fan blades 71 is large, grass scraps can be sucked and concentrated in the grass collecting box 2; under the action of centrifugal force, the adjusting sleeve 72 can compress the second spring 73 to move outwards when the rotating speed of the second rotating shaft 61 is high, so that the second spring can rotate around the cross rod 7 under the combined action of the guide sliding block 78 and the spiral guide groove 77, the connecting rod 76 drives the rotating fan blades 71, the angle of the rotating fan blades 71 is adjusted to reduce the air volume formed by the rotating fan blades 71, the grass is kept in a vertical state by the small air volume when the cutter 6 cuts at high speed, the grass cutting efficiency is guaranteed, energy is saved, and the grass cutting mode is realized; when the rotation speed of the second rotating shaft 61 is relatively low, the adjusting sleeve 72 moves inwards under the action of the second spring 73, and then the angle of the rotating fan blades 71 is adjusted to increase the air volume formed by the rotating fan blades, so that the grass scraps which are not sucked up in the grass cutting mode can be sucked up and collected, and the grass collecting mode is realized.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The hand-push type mower for fruit and vegetable planting is characterized by comprising a hollow mowing box (1), wherein a handrail (4) which extends upwards and slantwise is fixedly arranged on the right side of the upper end of the mowing box (1), and a motor (5) is fixedly arranged in the middle of the upper end of the mowing box (1); an auxiliary travelling wheel (31) is fixedly arranged on the left side of the lower end of the mowing box (1), and a through hole (11) is formed in the middle of the lower end of the mowing box (1); a connecting box (14) is fixedly arranged at the upper end of an inner cavity of the mowing box (1), a first gear (52) is arranged in the connecting box (14), the first gear (52) is in transmission connection with the output end of the motor (5) through a first rotating shaft (51), a second gear (62) meshed with the first gear (52) is arranged on one side in the connecting box (14), and the tooth width of the first gear (52) is larger than that of the second gear (62); the second gear (62) is fixedly arranged at the upper end of the second rotating shaft (61), the second rotating shaft (61) penetrates through the lower end of the connecting box (14) and the through hole (11) and then extends to the lower end of the mowing box (1) to be connected with the cutter (6), and the lower end of the connecting box (14) is correspondingly provided with a guide hole matched with the second rotating shaft (61); a first stop block (63) is arranged on the periphery of a second rotating shaft (61) in the connecting box (14), and a first spring (64) is arranged between the first stop block (63) and the bottom wall of the connecting box (14).

2. The hand-push type mower for fruit and vegetable planting as claimed in claim 1, wherein the lower end of the mowing box (1) on the left side of the through hole (11) is provided with a comb plate (12) arranged in the front-rear direction, and the comb plate (12) is located on the right side of the auxiliary travelling wheel (31).

3. The hand-push type mower for fruit and vegetable planting according to claim 2, wherein a grass collecting box (2) is fixedly arranged on the right side of the grass cutting box (1), and a detachable cover plate is arranged at the upper end of the grass collecting box (2); grass mowing box (1) and grass collecting box (2) are communicated through a collecting hole (13) located on the upper portion of the left wall of grass collecting box (2), and an exhaust hole (21) with a filter screen is formed in the lower end of the right wall of grass collecting box (2).

4. The hand-push type mower for fruit and vegetable planting as claimed in claim 3, wherein the front and rear sides of the grass collecting box (2) are symmetrically provided with main traveling wheels (3).

5. The hand-push type mower for fruit and vegetable planting according to claim 4, wherein a plurality of horizontally arranged cross rods (7) are uniformly distributed on a second rotating shaft (61) in the mowing box (1), a second stop block (74) is arranged at the free ends of the cross rods (7), rotating fan blades (71) are sleeved on the cross rods (7), and an inclined downward windward surface (75) is arranged on one side of each rotating fan blade (71) in the rotating direction.

6. The hand-push type mower for fruit and vegetable planting according to claim 5, wherein the rotating fan blade (71) can rotate around the cross rod (7), an adjusting sleeve (72) is arranged between the rotating fan blade (71) and the second stop block (74), the adjusting sleeve (72) is sleeved outside the cross rod (7), and a second spring (73) is arranged between the adjusting sleeve (72) and the second stop block (74); a guide sliding block (78) is fixedly arranged on the inner side of the adjusting sleeve (72), and a spiral guide groove (77) matched with the guide sliding block (78) is arranged on the cross rod (7); the adjusting sleeve (72) faces one side of the rotating fan blade (71) and is fixedly connected with the rotating fan blade (71) through a connecting rod (76).