CN110622635A - Folding type multifunctional rotary cultivator cutter set assembly - Google Patents

Abstract

The invention discloses a folding type multifunctional rotary cultivator cutter set assembly, which comprises a front support, a front cutter set, side connecting arms, a front pull rod, a rear pull rod, a mounting seat, a rear cutter set and a rear support, wherein the front support is arranged on the front side of the rear support, two side connecting arms are arranged between the front support and the rear support, the front support, the rear support and the side connecting arms are connected by welding, the mounting seat is arranged above the rear support, the front side of the mounting seat is fixedly connected with the two front pull rods, the two front pull rods are symmetrically arranged, and the bottoms of the front pull rods are fixedly connected with a positioning connecting pair. Divide into two parts with rotary cultivator knife tackle to hang the knife tackle on two reference columns through two knife tackle fixing bases, and the reference column is inclined slightly, rotates the knife tackle and can rise the knife tackle slope, leaves ground, makes tire contact ground support whole equipment, the convenient delivery.

Description

Folding type multifunctional rotary cultivator cutter set assembly

Technical Field

The invention relates to traditional Chinese medicine pharmaceutical equipment, in particular to a folding type multifunctional rotary cultivator cutter group assembly.

Background

The rotary cultivator is a cultivator which is matched with a tractor to complete the operations of ploughing and harrowing, and has the characteristics of strong soil crushing capability, flat ground surface after ploughing and the like, thereby being widely applied, simultaneously being capable of crushing root stubbles buried below the ground surface, being convenient for the operation of the seeder, providing a good seedbed for later sowing, having stronger soil crushing capability by classification, enabling the soil to be finely crushed by one-time operation, evenly mixing soil and fertilizer, leveling the ground, meeting the requirements of sowing in dry land or paddy field, being beneficial to the striving for farming, improving the work efficiency, fully utilizing the power of the tractor, having poorer covering capability for the stubbles and weeds, shallower ploughing depth and larger energy consumption, and generally, the rotary cultivator is hung on the tractor, is driven by the tractor to plough land, the cutter set of the rotary cultivator directly contacts the ground, directly supports the rotary cultivator by the cutter set, and causes certain loss to the cutter set, or hang the rotary cultivator on the tractor, but can lead to the focus of tractor skew, unstable inadequately, consequently need to pull down the knife tackle of rotary cultivator and just can carry, it is very troublesome during the use. Therefore, the technical personnel in the field provide a folding multifunctional rotary cultivator knife tackle assembly to solve the problems in the background technology.

Disclosure of Invention

The invention aims to provide a folding type multifunctional rotary cultivator cutter group assembly to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a folding type multifunctional rotary cultivator cutter set assembly comprises a front support, a front cutter set, side connecting arms, a front pull rod, a rear pull rod, a mounting seat, a rear cutter set and a rear support, wherein the front support is arranged on the front side of the rear support, the two side connecting arms are arranged between the front support and the rear support, the front support, the rear support and the side connecting arms are connected through welding, the mounting seat is arranged above the rear support in the rear direction, the front side of the mounting seat is fixedly connected with the two front pull rods, the two front pull rods are symmetrically arranged, the bottoms of the front pull rods are fixedly connected with a positioning connecting pair, the left side and the right side of the mounting seat are symmetrically provided with the two rear pull rods, the bottoms of the rear pull rods are also fixedly connected with a positioning connecting pair, the front positioning connecting pair and the rear positioning connecting pair are respectively fixedly connected with the front support and the rear support, and;

the utility model discloses a rake fixing base, including front-mounted support, left knife tackle fixing base and right knife tackle fixing base, front-mounted support front side middle part is provided with leading fixing base, two reference columns of leading fixing base top fixedly connected with control two reference columns respectively with left knife tackle fixing base and right knife tackle fixing base fixed connection, the front-mounted support left and right sides all is provided with leading knife tackle, controls two leading knife tackle and do not installs left knife tackle fixing base and right knife tackle fixing base under, front-mounted support rear side middle part is provided with rearmounted fixing base, rearmounted knife tackle is installed on rearmounted fixing base, install the rake fixing base on the rear-mounted support, a plurality of rake.

As a still further scheme of the invention: the left and right sides below the left knife group fixing seat and the right knife group fixing seat are fixedly connected with outer fixing rods, the bottoms of the outer fixing rods are rotatably connected with first rotating shafts, and the left front knife group and the right front knife group are respectively installed on the left first rotating shaft and the right first rotating shaft.

As a still further scheme of the invention: leading fixing base top is provided with the polished rod, and polished rod bottom and rearmounted fixing base fixed connection are provided with the bracing piece between polished rod and the leading fixing base, bracing piece bottom and leading fixing base fixed connection, two anchor clamps of polished rod the place ahead left and right sides fixedly connected with, two anchor clamps symmetry set up, the front stall front end left and right sides also is provided with anchor clamps, the equal fixedly connected with in middle part in left knife tackle fixing base and the right knife tackle fixing base below dead lever.

As a still further scheme of the invention: the rake fixing seat front side is connected with the back support in a rotating mode, a rake positioning seat is arranged at the top of the back support corresponding to the joint of the rake fixing seat, and the rake fixing seat is fixedly connected with the back support through a bolt.

As a still further scheme of the invention: the rear fixing seat is characterized in that a guide rail is arranged at the top of the rear fixing seat, a lead screw is arranged in the guide rail and is connected in a rotating mode, a sliding block is arranged on the lead screw, a rotating disc is fixedly connected to the top of the lead screw, a rear knife group mounting seat is arranged on the left side of the rear fixing seat, two rear knife groups are symmetrically mounted on the front side and the rear side of the rear knife group mounting seat, a knife group pull rod is arranged above the rear knife group mounting seat and is connected in a rotating mode, and the top of the.

As a still further scheme of the invention: the motor is installed to preceding support bottom, the pivot right-hand member and the first belt pulley fixed connection of motor, the third pivot is installed to leading fixing base below, corresponds first belt pulley department in the third pivot and is provided with the second belt pulley, and the second belt pulley passes through the belt with first belt pulley and is connected, be provided with the second pivot between first pivot and the third pivot, the second pivot is connected through first universal joint with first pivot, and the second pivot is connected through first gear train with the third pivot.

As a still further scheme of the invention: the rear side of the third rotating shaft extends into the rear knife tackle installation seat, two fifth rotating shafts are arranged in the rear knife tackle installation seat, the rear knife tackle is installed on the fifth rotating shaft, a fourth rotating shaft is arranged between the fifth rotating shaft and the third rotating shaft, the fourth rotating shaft and the fifth rotating shaft are connected through a second universal joint, the fourth rotating shaft and the third rotating shaft are connected through a second gear set, the fourth rotating shaft is rotatably connected with the rear fixing seat, and the fifth rotating shaft is rotatably connected with the rear knife tackle installation seat.

As a still further scheme of the invention: and a locking block is arranged on the first rotating shaft corresponding to the front cutter set, and a locking block is arranged on the fifth rotating shaft corresponding to the rear cutter set.

As a still further scheme of the invention: the clamp comprises a fixed clamping piece, a buckle and a movable clamping piece, wherein the movable clamping piece is arranged above the fixed clamping piece and is connected in a rotating mode, a buckle mounting groove is formed in the movable clamping piece, the buckle is arranged in the buckle mounting groove, a second spring is arranged between the left end of the buckle mounting groove and the buckle, the top of the movable clamping piece corresponds to the buckle and is provided with a connecting boss, the buckle is connected with the connecting boss in a rotating mode, and a buckle hole is formed in the fixed clamping piece corresponding to the buckle.

As a still further scheme of the invention: be provided with spacing boss on the bolt, correspond spacing boss top on the bolt outer wall and be provided with the slipmat, the inside spacing boss below symmetry that corresponds of bolt is provided with two round platforms, is provided with first spring between two round platforms.

Compared with the prior art, the invention has the beneficial effects that:

1. the rotary cultivator cutter set is divided into two parts, the cutter set is hung on two positioning columns through two cutter set fixing seats, the positioning columns are slightly inclined, the cutter set can be obliquely lifted up by rotating the cutter set and is separated from the ground, so that tires contact the ground to support the whole equipment, and the carrying is convenient;

2. the universal joint is added between the transmission shafts, so that the rotary cultivator cutter group can be connected with the main shaft after rotating, the rotary cultivator cutter group can be used for cultivating land at different angles, the land of different conditions can be adapted, the land cultivation effect can be improved, the cutter group can be put down under the working condition of the cutter group, and the cutter group can be inserted into the ground more deeply.

3. Through the rake that hangs on the back support, can be after ploughing immediately loose the crust that soil, broken rain after the garrulous farmland formed, improve whole work efficiency, the rake is direct to be fixed to the back support through the bolt, and is very convenient during the use, also can pack up it when not using.

4. The clamp is divided into a fixed clamping piece and a movable clamping piece, the movable clamping piece can be fixed on the fixed clamping piece through the buckle, the clamp can be opened by breaking the buckle, and the front-mounted cutter set can be conveniently and firmly fixed.

5. The disc harrow is used as the cutter set of the rotary cultivator, the angle of the cutter set is adjusted, so that the disc harrow can cultivate soil more finely, the resistance of the disc harrow after the angle is changed is smaller, and the energy consumption can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of a folding type multifunctional rotary cultivator knife group assembly.

Fig. 2 is a schematic structural diagram of a knife group transmission member in a knife group assembly of a folding multifunctional rotary cultivator.

Fig. 3 is a schematic structural diagram of a bolt in a blade assembly of a folding multifunctional rotary cultivator.

Fig. 4 is a schematic structural diagram of a rear knife group in a knife group assembly of a folding multifunctional rotary cultivator.

FIG. 5 is a cross-sectional view of a rear set of blades in a blade assembly of a folding multifunctional rotary tiller.

FIG. 6 is a cross-sectional view of a clamp in a blade assembly of a folding multifunctional rotary tiller.

In the figure: 1-front support, 2-tire, 3-right cutter set fixing seat, 4-left cutter set fixing seat, 5-positioning column, 6-suspension rod, 7-front cutter set, 8-inner fixing rod, 9-outer fixing rod, 10-front fixing seat, 11-supporting rod, 12-rear fixing seat, 13-side connecting arm, 14-front pull rod, 15-rear pull rod, 16-connecting seat, 17-positioning connecting pair, 18-rake fixing seat, 19-rake nail, 20-plug pin, 21-rake positioning seat, 22-rear cutter set, 23-rear support, 24-clamp, 25-first rotating shaft, 26-locking block, 27-first universal joint, 28-second rotating shaft, 29-first gear set, 30-third rotating shaft, 31-a motor, 32-a first belt pulley, 33-a belt, 34-a second belt pulley, 35-a second gear set, 36-a fourth rotating shaft, 37-a second universal joint, 38-a fifth rotating shaft, 201-an anti-slip pad, 202-a circular truncated cone, 203-a first spring, 204-a limit boss, 221-a rear cutter set mounting seat, 222-a cutter set pull rod, 223-a screw rod, 224-a guide rail, 225-a sliding block, 226-a rotating disc, 241-a fixed clamping piece, 242-a clamping hole, 243-a clamp, 244-a clamp mounting groove, 245-a second spring, 246-a connecting boss and 247-a movable clamping piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a folding type multifunctional rotary cultivator cutter assembly includes a front support 1, a front cutter set 7, side connecting arms 13, front pull rods 14, rear pull rods 15, a mounting base 16, a rear cutter set 22 and a rear support 23, where the front support 1 is disposed at the front side of the rear support 23, two side connecting arms 13 are disposed between the front support 1 and the rear support 23, the front support 1, the rear support 23 and the side connecting arms 13 are connected by welding, the mounting base 16 is disposed at the rear upper side of the rear support 23, two front pull rods 14 are fixedly connected to the front side of the mounting base 16, the two front pull rods 14 are symmetrically disposed, positioning connection pairs 17 are fixedly connected to the bottoms of the front pull rods 14, two rear pull rods 15 are symmetrically disposed at the left and right sides of the mounting base 16, positioning connection pairs 17 are also fixedly connected to the bottoms of the rear pull rods 15, the front and rear positioning connection pairs 17 are respectively fixedly connected to the front support 1 and the rear support 23, the rotary cultivator is fixed on a tractor through four pull rods, tires 2 are mounted at the left end and the right end of a front support 1, the rotary cultivator can be supported through the tires 2 under the condition that a cutter set is not used, the carrying is convenient, the tires 2 can play a limiting role, and the cutter set is prevented from being cut into the ground too deeply;

a front fixing seat 10 is arranged in the middle of the front side of the front support 1, two positioning columns 5 are fixedly connected with the top of the front fixing seat 10, a left positioning column and a right positioning column 5 are respectively fixedly connected with a left cutter set fixing seat 4 and a right cutter set fixing seat 3, the left side and the right side of the front fixing seat 10 are respectively provided with a front cutter set 7, the left front cutter set 7 and the right front cutter set 7 are respectively arranged under the left cutter set fixing seat 4 and the right cutter set fixing seat 3, the middle of the rear side of the front support 1 is provided with a rear fixing seat 12, the rear cutter set 22 is arranged on the rear fixing seat 12, the rear support 23 is provided with a rake fixing seat 18, the bottom of the rake fixing seat 18 is provided with a plurality of rakes 19, the rear cutter set is used for making up a gap between the two front cutter sets, the rakes 19 can immediately dig up the land after plowing, the rake fixing seat 18 is rotatably connected with the rear support 23, the top of the rake fixing seat 21 is arranged at, the rake fixing seat 18 is fixedly connected with the rear support 23 through the bolt 20, the whole rake is movably connected to the rear support 23 and can be put down or lifted according to specific requirements, the bolt 20 is provided with a limiting boss 204, the outer wall of the bolt 20 is provided with a non-slip pad 201 above the limiting boss 204, two round platforms 202 are symmetrically arranged inside the bolt 20 below the limiting boss 204, and a first spring 203 is arranged between the two round platforms 202.

The left and right sides below the left knife tackle fixing seat 4 and the right knife tackle fixing seat 3 are both fixedly connected with an outer fixing rod 9, the bottom of the outer fixing rod 9 is rotatably connected with a first rotating shaft 25, the left and right preposed knife tackle 7 are respectively installed on the left and right first rotating shafts 25, a suspension rod 6 is arranged above the preposed fixing seat 10, the bottom of the suspension rod 6 is fixedly connected with a postposed fixing seat 12, a support rod 11 is arranged between the suspension rod 6 and the preposed fixing seat 10, the bottom of the support rod 11 is fixedly connected with the preposed fixing seat 10, the left and right sides in front of the suspension rod 6 are fixedly connected with two clamps 24, the two clamps 24 are symmetrically arranged, the left and right sides at the front end of the front support 1 are also provided with clamps 24, the middle parts below the left knife tackle fixing seat 4 and the right knife tackle fixing seat 3 are both fixedly connected with an inner fixing rod 8, the clamps 24 comprise a fixed clamping piece 241, a buckle 243, be provided with buckle mounting groove 244 in the activity clamping piece 247, buckle 243 sets up in buckle mounting groove 244, is provided with second spring 245 between buckle mounting groove 244 left end and the buckle 243, the top of activity clamping piece 247 corresponds buckle 243 department and is provided with connection boss 246, buckle 243 rotates with connection boss 246 to be connected, correspond buckle 243 department and be provided with buckle hole 242 in the fixed clamping piece 241, anchor clamps 24 divide into fixed clamping piece 241 and activity clamping piece 247, and the accessible buckle is fixed 243 activity clamping piece 247 to fixed clamping piece 241 on, breaks buckle 243 off with the fingers and thumb and can open anchor clamps 24, can conveniently, firmly fix leading knife tackle 7.

The top of the rear fixing seat 12 is provided with a guide rail 224, a screw rod 223 is arranged in the guide rail 224 and is rotationally connected with the guide rail, a sliding block 225 is arranged on the screw rod 223, a turntable 226 is fixedly connected to the top of the screw rod 223, the left side of the rear fixing seat 12 is provided with a rear knife group installation seat 221, two rear knife groups 22 are symmetrically arranged on the front side and the rear side of the rear knife group installation seat 221, a knife group pull rod 222 is arranged above the rear knife group installation seat 221 and is rotationally connected with the rear knife group pull rod 222, the top of the knife group pull rod 222 is rotationally connected with the sliding block 225, the turntable 226 is rotated, the sliding block 225 is upwards driven through the screw rod 223, and the rear.

A motor 31 is installed at the bottom of the front support 1, the right end of the rotating shaft of the motor 31 is fixedly connected with a first belt pulley 32, a third rotating shaft 30 is installed below the front fixing seat 10, a second belt pulley 34 is arranged on the third rotating shaft 30 corresponding to the first belt pulley 32, the second belt pulley 34 is connected with the first belt pulley 32 through a belt 33, a second rotating shaft 27 is arranged between the first rotating shaft 25 and the third rotating shaft 30, the second rotating shaft 27 is connected with the first rotating shaft 25 through a first universal joint 27, the second rotating shaft 27 is connected with the third rotating shaft 30 through a first gear set 29, the rear side of the third rotating shaft 30 extends into a rear cutter set installing seat 221, two fifth rotating shafts 38 are arranged in the rear cutter set installing seat 221, a rear cutter set 22 is installed on the fifth rotating shaft 38, a fourth rotating shaft 36 is arranged between the fifth rotating shaft 38 and the third rotating shaft 30, and the fourth rotating shaft 36 is connected with the fifth rotating shaft 28 through a second universal joint 37, fourth pivot 36 is connected through second gear train 35 with the third pivot 30 between, fourth pivot 36 rotates with rearmounted fixing base 12 to be connected, and fifth pivot 38 rotates with rearmounted knife tackle mount pad 221 to be connected, it is provided with locking piece 26 to correspond leading knife tackle 7 department on the first pivot 25, corresponds rearmounted knife tackle 22 department on the fifth pivot 38 and is provided with locking piece 26, and motor 21 passes through the belt and drives third pivot 30 and rotate to drive leading knife tackle 7 through first gear train 29 and first universal joint 27 and rotate, and accessible second gear train 35 and second universal joint 37 drive rearmounted knife tackle 22 and rotate equally, change the driven direction of pivot through the universal joint, can be under knife tackle operational aspect, adjust the position of knife tackle.

The working principle of the invention is as follows:

the invention relates to a folding multifunctional rotary cultivator cutter set assembly, when in use, a rotary cultivator is connected with a tractor through a connecting seat 16, the rotary cultivator is dragged to work through the tractor, wherein a front cutter set 7 is arranged on a front fixing seat 10 through a cutter set fixing seat, the front cutter set 7 can rotate around a positioning column 5, the positioning column 5 inclines towards the rear side, when the cutter set is not used, the front cutter set 7 can be rotated to be lifted upwards, an inner fixing rod 8 is clamped into a clamp 24, the front cutter set 7 can be fixed, before the front cutter set 7 is fixed, a rotary table 226 is rotated, a slide block 225 is driven upwards through a screw rod 223, a cutter set pull rod 222 pulls up a rear cutter set mounting seat 221, at the moment, the whole rotary cultivator is supported through a tire 2, the front cutter set 7 and the rear cutter set 22 are all lifted off, at the moment, the rotary cultivator can be dragged to a concrete road through the tractor, when in farming, the clamp 24 is opened, the front knife group 7 can be rotated and inserted into farmland soil, and similarly, the front side of the front support 1 is also provided with a clamp 24 which can clamp a fixed shaft of the front knife group 7, the rotary table 226 can be rotated to drive the slide block 225 to move downwards through the screw rod 223, so as to put down the rear knife group 22, in terms of transmission, the motor 21 drives the third rotating shaft 30 to rotate through a belt, so as to drive the front knife group 7 to rotate through the first gear combination 29 and the first universal joint 27, and the rear knife group 22 can be driven to rotate through the second gear combination 35 and the second universal joint 37, so as to realize the tillage work, and in addition, the bolt 20 is taken out, the rake fixing seat 20 is pulled to put down the rake, so that the rake is inserted into the ground, and the rake fixing seat 20 can be fixed by inserting the bolt 20.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A folding type multifunctional rotary cultivator cutter set assembly comprises a front support (1), a front cutter set (7), side connecting arms (13), front pull rods (14), rear pull rods (15), a mounting seat (16), a rear cutter set (22) and a rear support (23), and is characterized in that the front support (1) is arranged on the front side of the rear support (23), the two side connecting arms (13) are arranged between the front support (1) and the rear support (23), the front support (1), the rear support (23) and the side connecting arms (13) are connected through welding, the mounting seat (16) is arranged above the rear support (23), the two front pull rods (14) are fixedly connected to the front side of the mounting seat (16), the two front pull rods (14) are symmetrically arranged, the bottom of each front pull rod (14) is fixedly connected with a positioning connecting pair (17), the two rear pull rods (15) are symmetrically arranged on the left side and the right side of the mounting seat (16), the bottom of the rear pull rod (15) is also fixedly connected with a positioning connecting pair (17), the front and rear positioning connecting pairs (17) are respectively and fixedly connected with a front support (1) and a rear support (23), and tires (2) are respectively arranged at the left end and the right end of the front support (1);

front support (1) front side middle part is provided with leading fixing base (10), two reference columns (5) of leading fixing base (10) top fixedly connected with about, two reference columns (5) respectively with left knife tackle fixing base (4) and right knife tackle fixing base (3) fixed connection, leading fixing base (10) left and right sides all is provided with leading knife tackle (7), controls two leading knife tackle (7) and installs left knife tackle fixing base (4) and right knife tackle fixing base (3) respectively under, front support (1) rear side middle part is provided with rearmounted fixing base (12), rearmounted knife tackle (22) are installed on rearmounted fixing base (12), install rake fixing base (18) on rear support (23), a plurality of rake nail (19) are installed to rake fixing base (18) bottom.

2. The folding multifunctional rotary cultivator knife tackle assembly as claimed in claim 1, wherein the left knife tackle fixing seat (4) and the right knife tackle fixing seat (3) are fixedly connected with outer fixing rods (9) on the left and right sides, the bottom of each outer fixing rod (9) is rotatably connected with a first rotating shaft (25), and the left and right front knife tackle (7) are respectively mounted on the left and right first rotating shafts (25).

3. The folding type multifunctional rotary cultivator cutter set assembly as claimed in claim 1, wherein a suspension rod (6) is arranged above the front fixing seat (10), the bottom of the suspension rod (6) is fixedly connected with the rear fixing seat (12), a support rod (11) is arranged between the suspension rod (6) and the front fixing seat (10), the bottom of the support rod (11) is fixedly connected with the front fixing seat (10), two clamps (24) are fixedly connected to the left and right sides of the front of the suspension rod (6), the two clamps (24) are symmetrically arranged, the left and right sides of the front end of the front support (1) are also provided with the clamps (24), and the middle parts below the left cutter set fixing seat (4) and the right cutter set fixing seat (3) are fixedly connected with inner fixing rods (8).

4. The blade assembly of a foldable multifunctional rotary cultivator according to claim 1, wherein the front side of the harrow fixing seat (18) is rotatably connected with a rear support (23), a harrow positioning seat (21) is arranged at the top of the rear support (23) corresponding to the joint of the harrow fixing seat (18), and the harrow fixing seat (18) is fixedly connected with the rear support (23) through a bolt (20).

5. The folding multifunctional rotary cultivator knife tackle assembly as claimed in claim 1, wherein a guide rail (224) is arranged on the top of the rear fixed seat (12), a screw rod (223) is arranged in the guide rail (224) and rotatably connected with the screw rod (223), a sliding block (225) is arranged on the screw rod (223), a rotating disc (226) is fixedly connected to the top of the screw rod (223), a rear knife tackle installation seat (221) is arranged on the left side of the rear fixed seat (12), two rear knife tackles (22) are symmetrically installed on the front side and the rear side of the rear knife tackle installation seat (221), a knife tackle pull rod (222) is arranged above the rear knife tackle installation seat (221) and rotatably connected with the sliding block (225), and the top of the knife tackle pull rod (222) is rotatably connected with the sliding block (225.

6. The folding multifunctional rotary cultivator knife tackle assembly as claimed in claim 1, wherein a motor (31) is mounted at the bottom of the front support (1), the right end of the rotating shaft of the motor (31) is fixedly connected with a first belt pulley (32), a third rotating shaft (30) is mounted below the front fixing seat (10), a second belt pulley (34) is arranged on the third rotating shaft (30) corresponding to the first belt pulley (32), the second belt pulley (34) is connected with the first belt pulley (32) through a belt (33), a second rotating shaft (27) is arranged between the first rotating shaft (25) and the third rotating shaft (30), the second rotating shaft (27) is connected with the first rotating shaft (25) through a first universal joint (27), and the second rotating shaft (27) is connected with the third rotating shaft (30) through a first gear set (29).

7. The folding multifunctional rotary cultivator knife tackle assembly as claimed in claim 1, wherein the rear side of the third rotating shaft (30) extends into the rear knife tackle installation seat (221), two fifth rotating shafts (38) are arranged in the rear knife tackle installation seat (221), the rear knife tackle (22) is installed on the fifth rotating shaft (38), a fourth rotating shaft (36) is arranged between the fifth rotating shaft (38) and the third rotating shaft (30), the fourth rotating shaft (36) is connected with the fifth rotating shaft (28) through a second universal joint (37), the fourth rotating shaft (36) is connected with the third rotating shaft (30) through a second gear set (35), the fourth rotating shaft (36) is rotatably connected with the rear fixed seat (12), and the fifth rotating shaft (38) is rotatably connected with the rear knife tackle installation seat (221).

8. The knife tackle assembly of a folding multifunctional rotary cultivator according to claim 7, wherein the first rotating shaft (25) is provided with a locking block (26) corresponding to the front knife tackle (7), and the fifth rotating shaft (38) is provided with a locking block (26) corresponding to the rear knife tackle (22).

9. The folding multifunctional rotary tiller blade assembly according to claim 3, wherein the clamp (24) comprises a fixed clamping piece (241), a buckle (243) and a movable clamping piece (247), the movable clamping piece (247) is arranged above the fixed clamping piece (241) and rotatably connected, a buckle mounting groove (244) is formed in the movable clamping piece (247), the buckle (243) is arranged in the buckle mounting groove (244), a second spring (245) is arranged between the left end of the buckle mounting groove (244) and the buckle (243), a connecting boss (246) is arranged at the top of the movable clamping piece (247) corresponding to the buckle (243), the buckle (243) is rotatably connected with the connecting boss (246), and a buckle hole (242) is formed in the fixed clamping piece (241) corresponding to the buckle (243).

10. The folding multifunctional rotary cultivator knife tackle assembly as claimed in claim 4, wherein the bolt (20) is provided with a limiting boss (204), the outer wall of the bolt (20) is provided with a non-slip pad (201) above the limiting boss (204), two round platforms (202) are symmetrically arranged inside the bolt (20) below the limiting boss (204), and the first spring (203) is arranged between the two round platforms (202).