CN217136076U - Reciprocating mower - Google Patents

Abstract

The utility model provides a reciprocating mower, which comprises a main frame, be connected with drive assembly and swing span subassembly on the body frame, be connected with the upright bracket subassembly on the swing span subassembly, be connected with the knife rest assembly on the upright bracket subassembly. The tool rest assembly can automatically lift and avoid obstacles when meeting stones or dragging grass through the swing frame of the swing frame assembly, so that the mowing efficiency is not influenced, and the damage of the tool rest assembly is even reduced; the tool rest assembly can adapt to operation sites with different angles through the vertical support assembly and has the simple and convenient function of quick disassembly and assembly; the utility model discloses demand power is not big, and horizontal bar tractor, multi-cylinder tractor all can install and use.

Description

Reciprocating mower

Technical Field

The utility model belongs to the technical field of agricultural machine, concretely relates to reciprocating type lawn mower.

Background

The reciprocating type mower is one kind of mower, has strong adaptability to pasture grass, low power consumption and low stubble cutting, is used for harvesting natural pasture grass and planted pasture grass regularly and widely, is an important link in grass industry production, improves the mechanization level and the production rate of pasture grass harvesting, and is very important for ensuring timely harvesting of pasture grass.

However, most existing traction or suspended reciprocating mowers have some structural disadvantages; 1. the cutter is easy to damage due to the existence of hard plant obstacles on the lawn to be cut, so that the cutting efficiency of the mower is influenced; 2. the cutter frame assembly of the mower is not easy to disassemble, so that the safety problem during transportation is caused; 3. the cost of the mower is too high, and the structure is complex and is not easy to maintain in the later period. To this end a reciprocating lawnmower is provided to solve the above problems.

Disclosure of Invention

The utility model aims at providing a reciprocating mower which has the advantages of simple structure, simple and rapid installation, low cost, reliable safety, difficult damage and the like; the tool rest assembly can automatically lift and avoid obstacles when meeting stones or dragging grass through the swing frame of the swing frame assembly, so that the mowing efficiency is not influenced, and the damage of the tool rest assembly is even reduced; the tool rest assembly can adapt to operation sites with different angles through the vertical support assembly and has the simple and convenient function of quick disassembly and assembly; the utility model discloses demand power is not big, and horizontal bar tractor, multi-cylinder tractor all can install and use.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a reciprocating mower comprises a main frame, wherein a transmission assembly and a swing frame assembly are connected to the main frame, a vertical support assembly is connected to the swing frame assembly, and a cutter rest assembly is connected to the vertical support assembly;

the swing frame assembly comprises a swing frame, a connecting plate, a connecting rod bearing seat set, a pull rod, a tension spring and an arc-shaped plate, and a limiting hole is formed in the connecting plate; the connecting rod bearing seat group is fixedly connected to the main frame, a connecting rod is sleeved in the bearing hole, connecting plates are sleeved on two sides of the connecting rod through limiting holes, a swing frame is fixedly connected to the connecting plates, and an arc plate is fixedly connected to the bottom of the swing frame.

Moreover, the vertical support component comprises a support, a rotating rod, a hand pressure rod, a limit gear, a stop lever, a limit rack and a disassembly screw rod; the support is provided with a through hole, the support is sleeved on the rotating rod through the through hole and is arranged in the swing frame, the rotating rod is sleeved on the swing frame, two ends of the rotating rod respectively extend to two sides of the swing frame, one end of the rotating rod is in threaded connection with a nut, and the other end of the rotating rod is respectively fixedly sleeved with a hand pressure rod and a limit gear and then is in threaded connection with the nut; the stop lever is fixedly connected with the outer wall of the swing frame, the stop lever is sleeved with a limit rack, the back of the limit rack is in threaded connection with a nut, and the limit rack is meshed with the limit gear.

Moreover, the swing frame is also fixedly connected with a tensioning ring and a locking ring; the lock ring is internally sleeved with a disassembling screw rod, and the other end of the disassembling screw rod extends out of the lock ring and is in threaded connection with a nut.

Moreover, the surface of one side of the main frame is respectively and fixedly connected with a traction frame and a support rod, the surface of the other side of the main frame is fixedly connected with a traction lug, and a pull rod hole is formed in the support rod; one end of the pull rod penetrates through the pull rod hole and then is in threaded connection with a nut, the other end of the pull rod is connected with a tension spring, and the other end of the tension spring is connected with a tension ring.

Moreover, the transmission assembly comprises a speed regulating box, a transmission shaft, a universal shaft bearing seat, a swinging shaft bearing seat and a swinging plate; the speed regulation box is fixedly connected to the main frame, the output shaft of the speed regulation box is connected with the transmission shaft in a transmission manner, the other end of the transmission shaft is connected with the universal shaft in a transmission manner, the universal shaft sleeve is arranged in a bearing hole of a bearing seat of the universal shaft, the bearing seat of the universal shaft is fixedly connected to the swing frame, the other end of the universal shaft is connected with the swing shaft in a transmission manner, the swing shaft sleeve is arranged in the bearing hole of the bearing seat of the swing shaft, the bearing seat of the swing shaft is fixedly connected to the swing frame, the other end of the swing shaft is provided with an anti-slip strip, the two ends of the swing plate are provided with an anti-slip hole and a connecting hole, and the anti-slip strip is meshed with the anti-slip hole.

The tool rest assembly comprises an edge protector beam, a tool bar, an edge protector, a fixed tool, a movable tool, an edge pressing device, a friction sheet, a bolt and a rivet, wherein one end of the tool bar is fixedly connected with a connecting rod; one end of the edge protector beam is fixedly connected to the support, the edge protector is fixedly connected to the lower surface of the edge protector beam, the edge protector is further fixedly connected with a fixed cutter, the cutter bar is located above the edge protector, a connecting rod at one end of the cutter bar is rotatably connected with the connecting hole, the movable cutter is fixedly connected with the cutter bar through a rivet, the abrasive sheet is located on the edge protector beam, one side surface of the abrasive sheet is abutted against the cutter bar, the edge pressing device is located above the abrasive sheet and presses the movable cutter, and one end of a bolt penetrates through the edge protector, the edge protector beam, the abrasive sheet and the edge pressing device and is in threaded connection with a nut.

Moreover, the swing frame assembly further comprises a connecting piece and a tensioner; the connecting plate is fixedly connected with a first connecting ring, the connecting plate is fixedly connected with a fixed screw, and the inner side wall of the lower end of the swing frame is fixedly connected with a second connecting ring; the fixing screw is sleeved with the connecting piece and then is in threaded connection with a nut, the first connecting ring is connected with the tensioner, and the other end of the tensioner is connected with the second connecting ring.

Moreover, the connecting rod is of a middle cylindrical structure and a hexagonal structure at two ends; the limiting hole is a hexagonal hole and is matched with the two ends of the connecting rod; the dwang is cylindrical, hexagon, cylindrical structure from one end in proper order, the through-hole is a hexagon looks adaptation of hexagonal hole and dwang.

Moreover, the transmission assembly also comprises a transmission shaft bearing seat group and a belt; the fixed cover is equipped with belt pulley one on the output shaft of speed governing box, transmission shaft bearing group fixed connection is on the body frame, and its bearing hole endotheca is equipped with the transmission shaft, the fixed cover of one end of transmission shaft is equipped with belt pulley two, belt pulley one and belt pulley two pass through synchronous belt and connect.

Moreover, a support column is fixedly connected to the main frame, and an upper lifting ring is fixedly connected to the swing frame; the supporting column is connected with the lifting ring through a chain; the swing frame is further provided with a sliding groove, a knife lifting frame rod is connected in the sliding groove in a sliding mode, and the knife lifting frame rod is connected with the edge protector beam through a binding rope.

The utility model has the advantages that:

1. compared with the traditional reciprocating mower, the utility model has the characteristic of automatic lifting; the utility model makes the swing frame rotatably connected on the main frame through the connecting rod bearing seat group, the connecting rod and the connecting plate in the swing frame assembly, and can automatically float up and down when encountering stones or grass in the using process through the pull rod, the tension spring, the arc-shaped plate and the supporting rod, thereby avoiding the operation personnel from lifting the knife rest assembly; the utility model discloses accessible support column, lift ring and chain make the swing span fix on the body frame in the transportation, prevent that extension spring overload operation from leading to swing span and knife rest assembly to damage in the transportation.

2. The utility model discloses a universal shaft among the drive assembly realizes transmitting power to the knife rest assembly under the state that the swing span fluctuates from top to bottom, has guaranteed the power source of knife rest assembly.

3. The utility model discloses a support among the upright bracket component is the dismantlement formula and is bearing the knife rest assembly, the utility model discloses tear out the dwang and dismantle the screw rod during the transportation alright will bear the support of knife rest assembly and dismantle and place and fix on the body frame and transport safely; the utility model discloses still can make the support whole rotate on the swing span, and can be spacing in certain angle through dwang, hand depression bar, limit gear, pin and limit rack after dismantling the screw rod, adapt to different domatic operation place and short distance transportation.

The utility model has the advantages of simple structure, simple and rapid installation, low cost, reliable safety, uneasy damage, etc.; the tool rest assembly can automatically lift and avoid obstacles when meeting stones or dragging grass through the swing frame of the swing frame assembly, so that the mowing efficiency is not influenced, and the damage of the tool rest assembly is even reduced; the tool rest assembly can adapt to operation sites with different angles through the vertical support assembly and has the simple and convenient functions of quick disassembly and assembly; the utility model discloses demand power is not big, and horizontal bar tractor, multi-cylinder tractor all can install and use.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view of another view angle of the present invention;

fig. 3 is a schematic perspective view of the main frame of the present invention;

fig. 4 is a schematic perspective view of the transmission assembly of the present invention;

FIG. 5 is an enlarged view of the portion B of FIG. 4;

FIG. 6 is a schematic perspective view of a swing frame assembly according to the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6;

fig. 8 is a schematic perspective view of the neutral support assembly of the present invention;

fig. 9 is a schematic perspective view of the middle blade carrier assembly of the present invention;

in the figure: 1. a main frame; 11. a support pillar; 2. a transmission assembly; 21. a speed regulating box; 211. a first belt pulley; 22. a drive shaft bearing block set; 23. a drive shaft; 231. a second belt pulley; 24. a cardan shaft; 25. a cardan shaft bearing seat; 26. a swing shaft; 261. anti-slip strips; 27. a swing shaft bearing seat; 28. a swing plate; 281. an anti-slip hole; 282. connecting holes; 29. a belt; 3. a rocker assembly; 31. a swing frame; 311. tensioning the ring; 312. a locking ring; 313. a connecting ring II; 314. a chute; 315. lifting a ring; 32. a connecting plate; 321. a limiting hole; 322. fixing the screw rod; 33. a connecting rod; 34. connecting the rod bearing seat group; 35. a pull rod; 36. a tension spring; 37. an arc-shaped plate; 38. connecting sheets; 381. a connecting ring I; 39. a tensioner; 4. a stand assembly; 41. a support; 411. a through hole; 42. rotating the rod; 43. a hand pressure lever; 44. a limit gear; 45. a stop lever; 46. a limiting rack; 47. disassembling the screw; 5. a tool holder assembly; 51. an edge protector beam; 52. a cutter bar; 521. a connecting rod; 53. a blade guard; 54. fixing a cutter; 55. moving a knife; 56. a blade pressing device; 57. grinding and rubbing the sheet; 58. a bolt; 6. a traction frame; 7. pulling the ears; 8. a support bar; 9. a knife lifting frame rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-9, a reciprocating mower comprises a main frame 1, wherein a transmission assembly 2 and a swing frame assembly 3 are connected to the main frame 1, a vertical support assembly 4 is connected to the swing frame assembly 3, and a tool rest assembly 5 is connected to the vertical support assembly 4;

the swing frame assembly 3 comprises a swing frame 31, a connecting plate 32, a connecting rod 33, a connecting rod bearing seat group 34, a pull rod 35, a tension spring 36 and an arc-shaped plate 37, wherein a limiting hole 321 is formed in the connecting plate 32; connecting rod bearing seat group 34 fixed connection is on the body frame 1, and the bearing bore endotheca is equipped with connecting rod 33, all overlaps through spacing hole 321 on the connecting rod 33 both sides and is equipped with connecting plate 32, and fixed connection is shaking frame 31 on the connecting plate 32, and shaking frame 31 bottom fixed connection is the arc 37, and arc 37 is pressed from its top when meetting to drag grass or stone, and then shaking frame 31 also follows and is synchronous motion.

Preferably, the stand component 4 comprises a bracket 41, a rotating rod 42, a hand-pressing rod 43, a limit gear 44, a stop rod 45, a limit rack 46 and a disassembly screw 47; a through hole 411 is formed in the support 41, the support 41 is sleeved on the rotating rod 42 through the through hole 411 and is arranged in the frame of the swing frame 31, the rotating rod 42 is sleeved on the swing frame 31, two ends of the rotating rod 42 respectively extend to two sides of the swing frame 31, one end of the rotating rod 42 is in threaded connection with a nut, and the other end of the rotating rod 42 is fixedly sleeved with a hand pressure rod 43 and a limiting gear 44 respectively and then is in threaded connection with the nut; the stop lever 45 is fixedly connected with the outer wall of the swing frame 31, a nut is connected with the stop lever 45 through a thread after the limit rack 46 is sleeved on the stop lever, and the limit rack 46 is meshed with the limit gear 44; and then support 41 rotates on swing frame 31 through dwang 42, because of the cooperation of pin 45, spacing gear 44 and limit rack 46 can make support 41 carry out certain angle's fixed on swing frame 31, adapt to the place of operation and the short distance transportation on different domatic.

Preferably, the swing frame 31 is further fixedly connected with a tension ring 311 and a lock ring 312; the lock ring 312 is internally sleeved with a disassembling screw rod 47, the other end of the disassembling screw rod 47 extends out of the lock ring 312 and is in threaded connection with a nut, and the disassembling screw rod 47 plays an important role in limiting the bracket 41.

Preferably, the surface of one side of the main frame 1 is fixedly connected with a traction frame 6 and a support rod 8 respectively, the surface of the other side is fixedly connected with a traction lug 7, and a pull rod hole is formed in the support rod 8; one end of the pull rod 35 penetrates through the pull rod hole and then is sleeved with a screw cap in a threaded connection mode, the other end of the pull rod 35 is connected with a tension spring 36, and the other end of the tension spring 36 is connected with a tension ring 311; the pull rod 35 can be sleeved with a distance adjusting sheet below the upper nut to adjust the height of the swing frame 31; the lift tension spring 36 is in detachable relation to the tension rod 35 and the tension ring 311.

Preferably, the transmission assembly 2 comprises a speed regulation box 21, a transmission shaft 23, a universal shaft 24, a universal shaft bearing seat 25, a swinging shaft 26, a swinging shaft bearing seat 27 and a swinging plate 28; the speed regulation box 21 is fixedly connected to the main frame 1, the output shaft of the speed regulation box 21 is in transmission connection with the transmission shaft 23, the other end of the transmission shaft 23 is in transmission connection with the universal shaft 24, the universal shaft 24 is sleeved in a bearing hole of the universal shaft bearing seat 25, the universal shaft bearing seat 25 is fixedly connected to the swing frame 31, the other end of the universal shaft 24 is in transmission connection with the swing shaft 26, the swing shaft 26 is sleeved in a bearing hole of the swing shaft bearing seat 27, the swing shaft bearing seat 27 is fixedly connected to the swing frame 31, the other end of the swing shaft 26 is provided with an anti-slip strip 261, two ends of the swing plate 28 are provided with an anti-slip hole 281 and a connecting hole 282, and the anti-slip strip 261 is meshed with the anti-slip hole 281; wherein the universal shaft 24 converts the rotating force of the transmission shaft 23 into swinging force, and the tool rest assembly realizes reciprocating motion; also to ensure the transfer of force when the swing frame 31 is floated up and down.

Preferably, the tool rest assembly 5 comprises an edge protector beam 51, a tool bar 52, an edge protector 53, a fixed tool 54, a movable tool 55, an edge pressing device 56, a friction sheet 57, a bolt 58 and a rivet, wherein one end of the tool bar 52 is fixedly connected with a connecting rod 521; one end of the edge protector beam 51 is fixedly connected to the support 41, the edge protector 53 is fixedly connected to the lower surface of the edge protector beam 51, the edge protector 53 is also fixedly connected to the fixed cutter 54, the cutter bar 52 is positioned above the edge protector 53, the connecting rod 521 at one end is rotatably connected with the connecting hole 282, the movable cutter 55 is fixedly connected with the cutter bar 52 through a rivet, the abrasive sheet 57 is positioned on the edge protector beam 51, one side surface of the abrasive sheet 57 is abutted against the cutter bar 52, the edge presser 56 is positioned above the abrasive sheet 57 and presses the movable cutter 55, and one end of the bolt 58 penetrates through the edge protector 53, the edge protector beam 51, the abrasive sheet 57 and the edge presser 56 and is connected with a nut through threads.

Preferably, the swing frame assembly 3 further includes a connecting tab 38 and a tensioner 39; a first connecting ring 381 is fixedly connected to the connecting sheet 38, a fixing screw rod 322 is fixedly connected to the connecting sheet 32, and a second connecting ring 313 is fixedly connected to the inner side wall of the lower end of the swing frame 31; the fixed screw rod 322 is sleeved with the connecting piece 38 and then is in threaded connection with a nut, the first connecting ring 381 is connected with the tensioner 39, and the other end of the tensioner 39 is connected with the second connecting ring 313; the swing frame has the advantage of elasticity in the design, provides good toughness for the swing frame 31 after operation under severe conditions and long-term operation, and reduces the frame damage of the swing frame 31.

Preferably, the connecting rod 33 is a middle cylinder and has a hexagonal structure at two ends; the limiting hole 321 is a hexagonal hole and is matched with two ends of the connecting rod 33; the rotating rod 42 is in a cylindrical, hexagonal, cylindrical, hexagonal and cylindrical structure from one end, and the through hole 411 is a hexagonal hole matched with a hexagon of the rotating rod 42.

Preferably, the transmission assembly 2 further comprises a transmission shaft bearing block group 22, a belt 29; the output shaft of the speed regulating box 21 is fixedly sleeved with a first belt pulley 211, the transmission shaft bearing seat group 22 is fixedly connected to the main frame 1, a transmission shaft 23 is sleeved in a bearing hole of the transmission shaft bearing seat group, one end of the transmission shaft 23 is fixedly sleeved with a second belt pulley 231, and the first belt pulley 211 and the second belt pulley 231 are connected through a synchronous belt 29.

Preferably, the main frame 1 is fixedly connected with a support column 11, and the swing frame 31 is fixedly connected with an upper lifting ring 315; the supporting column 11 is connected with the lifting ring 315 through a chain, the swinging frame 31 can be fixed on the main frame 1 through the supporting column 11, the lifting ring 315 and the chain in the transferring process, and the swinging frame 31 and the tool rest assembly 5 are prevented from being damaged in the transferring process due to the overload operation of the tension spring 36; the swing frame 31 is also provided with a sliding chute 314, a knife lifting frame rod 9 is connected in the sliding chute 314 in a sliding way, and the knife lifting frame rod 9 is connected with the edge protector beam 51 through a binding rope; the knife holder bar 9 assists the guard beam 51 in holding the knife holder assembly 5 in a flat plane.

The utility model discloses application method: the utility model is suspended behind a tractor, the input shaft of the speed regulating box 21 is connected with the output shaft of the tractor, then the support 41 bearing the knife rest assembly 5 can be detached from the swing frame 31 by the rotating rod 42 and the detaching screw 47, the support 41 can be safely transported to an operation field after being placed on the main frame 1, otherwise the support 41 is installed on the swing frame 31 after reaching the operation field, the angle between the knife rest assembly 5 and the ground is adjusted by the hand pressure rod 43 according to the operation field, and then the knife rest rod 9 and the edge protector beam 51 are connected by the binding rope to carry out mowing operation;

the utility model discloses work seven hundred hours and annotate the butter to each bearing frame often, connecting hole 282 and connecting rod 521 department need annotate once a day.

As is well known to those skilled in the art, the working principle of the transmission component 2 and the tool rest assembly 5 is that they belong to conventional means or common knowledge, and will not be described herein in detail, and those skilled in the art can make any choice according to their needs or convenience.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a reciprocating mower, includes body frame (1), be connected with drive assembly (2) and swing span subassembly (3) on body frame (1), be connected with on swing span subassembly (3) and found support assembly (4), be connected with knife rest assembly (5), its characterized in that on standing support assembly (4):

the swing frame assembly (3) comprises a swing frame (31), a connecting plate (32), a connecting rod (33), a connecting rod bearing seat set (34), a pull rod (35), a tension spring (36) and an arc-shaped plate (37), and a limiting hole (321) is formed in the connecting plate (32); the connecting rod bearing seat group (34) is fixedly connected to the main frame (1), a connecting rod (33) is sleeved in a bearing hole, connecting plates (32) are sleeved on two sides of the connecting rod (33) through limiting holes (321), the connecting plates (32) are fixedly connected with a swing frame (31), and the bottom of the swing frame (31) is fixedly connected with an arc-shaped plate (37).

2. A reciprocating lawnmower according to claim 1, wherein: the vertical support assembly (4) comprises a support (41), a rotating rod (42), a hand pressure rod (43), a limiting gear (44), a stop lever (45), a limiting rack (46) and a disassembling screw rod (47); the support (41) is provided with a through hole (411), the support (41) is sleeved on the rotating rod (42) through the through hole (411) and is arranged in the frame of the swing frame (31), the rotating rod (42) is sleeved on the swing frame (31) and two ends of the rotating rod extend to two sides of the swing frame (31) respectively, one end of the rotating rod (42) is in threaded connection with a nut, and the other end of the rotating rod (42) is fixedly sleeved with a hand pressure rod (43) and a limiting gear (44) and then is in threaded connection with the nut; the stop lever (45) is fixedly connected with the outer wall of the swing frame (31), a nut is connected with the stop lever (45) through threads after the limit rack (46) is sleeved on the stop lever, and the limit rack (46) is meshed with the limit gear (44).

3. A reciprocating lawnmower according to claim 2, wherein: the swing frame (31) is also fixedly connected with a tensioning ring (311) and a locking ring (312); the lock ring (312) is internally sleeved with a disassembling screw rod (47), and the other end of the disassembling screw rod (47) extends out of the lock ring (312) and is in threaded connection with a nut.

4. A reciprocating lawnmower according to claim 3, wherein: the main frame (1) is characterized in that the surface of one side is fixedly connected with a traction frame (6) and a support rod (8) respectively, the surface of the other side is fixedly connected with a traction lug (7), and a pull rod hole is formed in the support rod (8); one end of the pull rod (35) penetrates through the pull rod hole and then is connected with a nut in a threaded mode, the other end of the pull rod (35) is connected with a tension spring (36), and the other end of the tension spring (36) is connected with a tensioning ring (311).

5. A reciprocating lawnmower according to claim 1, wherein: the transmission assembly (2) comprises a speed regulation box (21), a transmission shaft (23), a universal shaft (24), a universal shaft bearing seat (25), a swinging shaft (26), a swinging shaft bearing seat (27) and a swinging plate (28); the speed regulating box (21) is fixedly connected to the main frame (1), an output shaft of the speed regulating box (21) is in transmission connection with the transmission shaft (23), the other end of the transmission shaft (23) is in transmission connection with a universal shaft (24), the universal shaft (24) is sleeved in a bearing hole of a universal shaft bearing seat (25), the universal shaft bearing seat (25) is fixedly connected to the swinging frame (31), the other end of the universal shaft (24) is in transmission connection with the swinging shaft (26), the swing shaft (26) is sleeved in a bearing hole of a swing shaft bearing seat (27), the swing shaft bearing seat (27) is fixedly connected to the swing frame (31), the other end of the swing shaft (26) is provided with an anti-slip strip (261), the two ends of the swinging plate (28) are provided with anti-skid holes (281) and connecting holes (282), and the anti-skid strips (261) are meshed with the anti-skid holes (281).

6. A reciprocating lawnmower according to claim 1, wherein: the knife rest assembly (5) comprises a knife protector beam (51), a knife bar (52), a knife protector (53), a fixed knife (54), a movable knife (55), a knife pressing device (56), a friction sheet (57), a bolt (58) and a rivet, wherein one end of the knife bar (52) is fixedly connected with a connecting rod (521); one end of the edge protector beam (51) is fixedly connected to the support (41), the edge protector (53) is fixedly connected to the lower surface of the edge protector beam (51), the edge protector (53) is further fixedly connected with a fixed cutter (54), the cutter bar (52) is located above the edge protector (53), a connecting rod (521) at one end of the cutter bar is rotatably connected with the connecting hole (282), the movable cutter (55) is fixedly connected with the cutter bar (52) through a rivet, the abrasive blade (57) is located on the edge protector beam (51), one side surface of the abrasive blade (57) is abutted against the cutter bar (52), the edge presser (56) is located above the abrasive blade (57) and presses the movable cutter (55), and one end of the bolt (58) penetrates through the edge protector (53), the edge protector beam (51), the abrasive blade (57) and the edge presser (56) and is connected with a nut through threads.

7. A reciprocating lawnmower according to claim 1, wherein: the swing frame assembly (3) further comprises a connecting piece (38) and a tensioner (39); a connecting ring I (381) is fixedly connected to the connecting sheet (38), a fixing screw rod (322) is fixedly connected to the connecting sheet (32), and a connecting ring II (313) is fixedly connected to the inner side wall of the lower end of the swing frame (31); the screw cap is connected to the rear of the fixing screw rod (322) in a threaded mode after the connecting piece (38) is sleeved on the fixing screw rod in a sleeved mode, the connecting ring I (381) is connected with the tensioner (39), and the other end of the tensioner (39) is connected with the connecting ring II (313).

8. A reciprocating lawnmower according to claim 2, wherein: the connecting rod (33) is of a middle cylindrical structure and a hexagonal structure at two ends; the limiting hole (321) is a hexagonal hole and is matched with the two ends of the connecting rod (33); dwang (42) is cylindrical, hexagon, cylindrical structure from one end in proper order, through-hole (411) is a hexagon looks adaptation of hexagonal hole and dwang (42).

9. A reciprocating lawnmower according to claim 5, wherein: the transmission assembly (2) further comprises a transmission shaft bearing seat group (22) and a belt (29); the fixed cover is equipped with belt pulley (211) on the output shaft of speed governing box (21), transmission shaft bearing seat group (22) fixed connection on body frame (1) and its bearing hole endotheca are equipped with transmission shaft (23), the fixed cover of one end of transmission shaft (23) is equipped with belt pulley two (231), belt pulley one (211) and belt pulley two (231) are connected through synchronous belt (29).

10. A reciprocating lawnmower according to claim 1, wherein: the main frame (1) is fixedly connected with a support column (11), and the swing frame (31) is fixedly connected with an upper lifting ring (315); the supporting column (11) is connected with the lifting ring (315) through a chain; the swing frame (31) is further provided with a sliding groove (314), a knife lifting frame rod (9) is connected in the sliding groove (314) in a sliding mode, and the knife lifting frame rod (9) is connected with the edge protector beam (51) through a binding rope.

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