CN217136075U

CN217136075U - Mowing device with split vertical cutters in middle

Info

Publication number: CN217136075U
Application number: CN202220243235.3U
Authority: CN
Inventors: 刘建成; 唐军伟; 陈鹏飞; 宋振伟; 郭嘉; 张建荣; 惠渊
Original assignee: Qingyang Yaoshan Cattle Harvest Technology Development Co ltd
Current assignee: Qingyang Yaoshan Cattle Harvest Technology Development Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-09
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a middle-placed row-dividing vertical knife mowing device, which belongs to the technical field of mowing equipment and solves the technical problem of low harvesting efficiency in the prior art, and comprises a frame, wherein both sides of the top of the frame are rotationally connected with lifting arms, the lifting arms realize up-and-down motion through adjusting screw rods arranged on the frame, a main shaft is vertically arranged between the two lifting arms, the main shaft is connected with a rotating motor, a left side grain poking device and a right side grain poking device are symmetrically arranged along the long axis direction of the main shaft, a left side flat conveyer belt is arranged below the left side grain poking device on the frame, and a right side flat conveyer belt is arranged below the right side grain poking device on the frame; a transverse horizontal shearing knife is arranged at the bottom of the rack close to the extension shaft of the front end, and a middle vertical knife is arranged on the rack along the vertical upward direction; the utility model discloses can carry out branch line cutting to the side branch of mutual tractive in the middle of the crop, do benefit to the crop and export towards both sides, improve and reap efficiency.

Description

Mowing device with split vertical cutters in middle

Technical Field

The utility model relates to a mowing equipment technical field, more specifically are related to a put grass cutting device who divides capable vertical knife in.

Background

The invention relates to a lawn mower, which is used for developing agricultural mechanization, improving working efficiency and improving agricultural production efficiency, is important in the agricultural world, and the lawn mower is used as an important tool in agricultural production and has the most direct influence on the yield of crops. The lawn mower saves the operation time of weeding workers and reduces a large amount of human resources. In the countries with advanced development of animal husbandry mechanization, the research on novel mowers is developing towards high speed and energy conservation.

When current grass cutting device reaps the crop, often drive the high-speed rotation of carousel of mowing through transmission system, it is rotatory to make the blade synchronous adjustment who adorns on the carousel, cut the position that the crop is close to the root, export the crop from grass cutting device both sides again, thereby realize the purpose of reaping, but because alfalfa, it has a large amount of side branches to grow on the mobile jib of crops such as rape, the side branch is drawn together each other, the crop is unfavorable for towards both sides output after being cut, the work of reaping is influenced, lead to reaping inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical problem, the utility model provides a middle grass cutting device who divides capable vertical knife.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a mowing device with a middle-mounted row-dividing vertical knife comprises a rack, wherein the vertical section of the rack is L-shaped, lifting arms are rotatably connected to two sides of the top of the rack, the lifting arms realize up-and-down motion through adjusting screw rods arranged on the rack, a main shaft is vertically arranged between the two lifting arms, one end of the main shaft is rotatably connected with one end, far away from the rack, of one lifting arm, the other end of the main shaft is rotatably connected with one end, far away from the rack, of the other lifting arm, the main shaft is connected with a rotating motor, the rotating motor is connected with one of the lifting arms, a left side grain poking device and a right side grain poking device are symmetrically arranged along the long axis direction of the main shaft, a left side flat conveyer belt is arranged below the left side grain poking device of the rack, and a right side flat conveyer belt is arranged below the right side grain poking device of the rack;

the position extension shaft direction that the frame bottom is close to the front end is provided with horizontal level and shears the sword, and the frame is provided with along vertical ascending direction and founds the sword support, and founds outside the sword support outwards extends and extends to the frame, founds the one side that the frame was kept away from to the sword support and is provided with the middle sword that founds that is used for vertical cutting, and the virtual vertical face that the middle sword place found is located between left side setting displacement ware and the right side setting displacement ware.

Further, the one side symmetry that the frame was kept away from to found sword support is provided with two sets of mountings, form the guide way between two sets of mountings and keep away from one side of founding the sword support and be the opening, in put vertical sword and include two vertical blade groups that contact, the connecting portion of vertical blade group all are located the guide way, blade one side of vertical blade group all passes the opening and extends to the outside of mounting, one side that two vertical blade groups carried on the back mutually all is connected with the removal subassembly, two removal subassemblies pass through drive arrangement and drive respective vertical blade group respectively and do reciprocating motion from top to bottom towards opposite direction.

Further, the moving assembly comprises moving rods and moving parts, the two moving parts are connected with the adjacent connecting parts, and the moving rods are connected with the driving device.

Further, drive arrangement includes the rolling disc, dwang and universal joint rocker axle, the vertical cross-section of rolling disc is isosceles triangle, the bottom symmetry of two carriage release levers just rotates to be connected in the position department that the rolling disc is close to two base angles, the one end and the rolling disc of dwang are connected and are formed tie point A, tie point A's axle center is located same virtual vertical plane with the apex angle bisector of the vertical cross-section of rolling disc, the other end of dwang passes the vertical knife support and is connected with the one end of universal joint rocker axle, the dwang rotates with the vertical knife support and is connected, universal joint rocker axle is by slewing mechanism area action rotary motion.

Furthermore, a transverse cutter support is arranged at the position, close to the front end, of the bottom of the machine frame along the long axis direction, the transverse horizontal shearing cutters are connected with the transverse cutter support and comprise a plurality of fixed blades and transverse cutter blade groups, the fixed blades are arranged along the long axis direction of the transverse cutter support and connected with one side, far away from the machine frame, of the transverse cutter support, the transverse cutter blade groups are arranged on the top surface of the transverse cutter support and connected with a driving device, the transverse cutter blade groups slide on the transverse cutter support in a left-right reciprocating mode through the driving device, and during reciprocating sliding, the transverse cutter blade groups and the fixed blades are in a shearing state.

Furthermore, each fixed blade is provided with a movable through groove matched with the transverse moving blade group along the horizontal direction, and the blades on the transverse moving blade group can penetrate through the movable through grooves during reciprocating motion.

Furthermore, a lantern ring is sleeved at a position, close to the vertical cutter support, of the rotating rod, a guide rod is perpendicularly connected to the bottom surface of the lantern ring, a guide block is arranged at the bottom end of the guide rod, a limiting block is arranged on the top surface of the transverse moving blade group, a limiting groove is formed in the limiting block, and the guide block is located in the limiting groove and limited in the limiting groove when performing left-right reciprocating motion.

The utility model has the advantages as follows:

1. the utility model discloses a cooperation that frame, lifing arm, accommodate the lead screw, main shaft, rotation motor, left side dialling standing grain ware, right side dialling standing grain ware, left side dull and stereotyped conveyer belt, right side dull and stereotyped conveyer belt, horizontal level cut sword, found sword support and the neutral cooperation of founding the sword can carry out the branch line cutting to the side branch of mutual tractive in the middle of the crop, does benefit to the crop and exports towards both sides, has improved and has reaped efficiency.

2. The utility model discloses a mounting, guide way, vertical knife section, removal subassembly and drive arrangement's cooperation for two vertical knife sections make reciprocating motion towards opposite direction, form shear state, do benefit to the side branch in the middle of the crop and cut, and cutting speed is fast.

3. The utility model discloses a rolling disc, dwang, universal joint rocker shaft and slewing mechanism's cooperation, slewing mechanism drive universal joint rocker shaft, dwang and rolling disc and rotate in step for the removal subassembly of both sides drives respective vertical knife section opposite direction motion, only can realize vertical cutting through a slewing mechanism, has practiced thrift the cost.

4. The utility model discloses a horizontal sword support, stationary blade, horizontal blade group and drive arrangement's cooperation is driven horizontal blade group left and right sides reciprocating motion by drive arrangement, is the shear state with the stationary blade, forms and moves the stationary blade combination, does benefit to and carries out transverse cutting to rely on same slewing mechanism can realize transverse cutting and vertical cutting, saved the cost more.

5. The utility model discloses a cooperation of the lantern ring, guide bar, guide block, stopper and spacing groove guarantees that horizontal knife section carries out reciprocating motion about steadily along the horizontal direction on horizontal sword support.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a side schematic view of the present invention;

fig. 3 is a partial structural schematic diagram of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention;

FIG. 5 is a side view of the middle standing knife bracket and the middle standing knife of the present invention;

fig. 6 is a front schematic view of the middle standing knife, the horizontal shearing knife and the driving device of the present invention.

Reference numerals: 1-a frame; 2-a lifting arm; 3-left side flat conveyer belt; 4-a vertical knife bracket; 5-a main shaft; 6-left side grain dialing device; 7-middle vertical cutter; 8-a transverse horizontal shear knife; 9-right flat belt conveyor; 10-right side seedling pulling device; 11-adjusting the screw rod; 12-a guide groove; 13-a fixing member; 14-a collar; 15-gimbal rocker shaft; 16-vertical moving blade group; 17-a connecting portion; 18-a moving assembly; 19-a moving part; 20-a moving rod; 21-a rotating disc; 22-a drive device; 23-rotating rods; 24-a limit groove; 25-a limiting block; 26-stationary blade; 27-a cross-blade holder; 28-transverse moving blade group; 29-a guide block; 30-a guide bar; 31-active through slots.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 and fig. 2, this embodiment provides a grass cutting device of a middle row-dividing vertical knife, which includes a frame 1, a vertical cross-section of the frame 1 is L-shaped, two sides of a top of the frame 1 are rotatably connected with lifting arms 2, the lifting arms 2 move up and down through adjusting screws 11 arranged on the frame 1, a main shaft 5 is vertically arranged between the two lifting arms 2, one end of the main shaft 5 is rotatably connected with one end of one lifting arm 2 far from the frame 1, the other end of the main shaft 5 is rotatably connected with one end of the other lifting arm 2 far from the frame 1, the main shaft 5 is connected with a rotating motor, the rotating motor is connected with one of the lifting arms 2, a left side grain poker 6 and a right side grain poker 10 are symmetrically arranged along a long axis direction of the main shaft 5, a left flat conveyer belt 3 is arranged below the left grain poking device 6 of the frame 1, and a right flat conveyer belt 9 is arranged below the right grain poking device 10;

the position extension axis direction that frame 1 bottom is close to the front end is provided with horizontal level and cuts sword 8, and frame 1 is provided with along vertical ascending direction and founds sword support 4, and founds outside sword support 4 outwards extends and extends to frame 1, and the one side of founding sword support 4 and keeping away from frame 1 is provided with the middle sword 7 of founding that is used for vertical cutting, and the virtual vertical face that the middle sword 7 of founding is located between left side dialling the standing grain ware 6 and the right side dialling the standing grain ware 10.

The utility model discloses a theory of operation does: the mowing device is arranged on a moving device, a middle standing knife 7 cuts and separates crops longitudinally, a rotating motor is started, the rotating motor drives a main shaft 5 to rotate, the main shaft 5 synchronously drives a left-side grain poking device 6 and a right-side grain poking device 10 to rotate when rotating, an adjusting screw rod 11 drives the left-side grain poking device 6 and the right-side grain poking device 10 to ascend and descend through extension and shortening in the rotating process of the left-side grain poking device 6 and the right-side grain poking device 10, and as a lifting arm 2 is rotationally connected with a rack 1, when the adjusting screw rod 11 extends, the grain poking device descends, and when the adjusting screw rod 11 shortens, the grain poking device ascends; therefore, under the action of the main shaft 5 and the adjusting screw rod 11, the left crop is pushed into the transverse horizontal shearing knife 8 by the left crop shifting device 6 for cutting, and is output from the left side through the left flat conveyer belt 3 after cutting, and the right crop is pushed into the transverse horizontal shearing knife 8 for cutting by the right crop shifting device 10 and is output from the right side through the right flat conveyer belt 9 after cutting.

It should be noted that the middle standing knife 7 and the horizontal shearing knife 8 in this embodiment are implemented by existing cutting equipment as long as vertical cutting and horizontal cutting can be performed.

The utility model discloses a frame 1, lifing arm 2, accommodate the lead screw 11, main shaft 5, rotation motor, left side dialling standing grain ware 6, right side dialling standing grain ware 10, left side dull and stereotyped conveyer belt 3, right side dull and stereotyped conveyer belt 9, horizontal level shear sword 8, found sword support 4 and the cooperation of putting upright sword 7, can carry out the branch line cutting to the side branch of mutual tractive in the middle of the crop, do benefit to the crop towards both sides output, improved and reaped efficiency.

Example 2

This embodiment is explained with respect to the structure and vertical cutting processing of the middle standing knife 7 on the basis of embodiment 1.

As shown in fig. 3, 5 and 6, two sets of fixing parts 13 are symmetrically arranged on one side of the vertical knife support 4 away from the rack 1, a guide groove 12 is formed between the two sets of fixing parts 13, and one side of the vertical knife support 4 away from the middle vertical knife 7 is an opening, the middle vertical knife 7 comprises two vertical knife blade groups 16 which are in contact with each other, connecting parts 17 of the vertical knife blade groups 16 are all located in the guide groove 12, one sides of the blades of the vertical knife blade groups 16 penetrate through the opening and extend to the outside of the fixing parts 13, moving components 18 are connected to one sides of the two vertical knife blade groups 16 which are opposite to each other, and the two moving components 18 respectively drive the respective vertical knife blade groups 16 to reciprocate up and down in opposite directions through driving devices 22.

The utility model discloses a theory of operation does: the driving device 22 drives the moving assemblies 18 on both sides to reciprocate up and down in opposite directions, the moving assemblies 18 synchronously drive the respective vertical moving blade sets 16 to move, the two vertical moving blade sets 16 are contacted with each other and always keep moving in opposite directions to form a shearing state, and the crops are cut in rows.

The utility model discloses a mounting 13, guide way 12, vertical blade group 16, removal subassembly 18 and drive arrangement 22's cooperation for two vertical blade groups 16 reciprocating motion is made towards opposite direction, forms the shear state, does benefit to the side branch in the middle of the crop and cuts, and cutting speed is fast.

As an embodiment, the moving assembly 18 comprises a moving rod 20 and moving parts 19, two moving parts 19 are connected with adjacent connecting parts 17, and the moving rod 20 is connected with a driving device 22.

Example 3

The present embodiment is explained with respect to the structure of the driving device 22 on the basis of the above-described embodiments.

As shown in fig. 3 and 6, the driving device 22 includes a rotating disk 21, a rotating rod 23 and a gimbal rocker shaft 15, a vertical cross section of the rotating disk 21 is an isosceles triangle, bottom ends of two moving rods 20 are symmetrically and rotatably connected to positions of the rotating disk 21 near two base angles, one end of the rotating rod 23 is connected to the rotating disk 21 and forms a connection point a, an axis of the connection point a and a vertex angle bisector of the vertical cross section of the rotating disk 21 are located on the same virtual vertical plane, the other end of the rotating rod 23 passes through the vertical knife support 4 and is connected to one end of the gimbal rocker shaft 15, the rotating rod 23 is rotatably connected to the vertical knife support 4, and the gimbal rocker shaft 15 is driven by a rotating mechanism to rotate.

The utility model discloses a theory of operation does: the rotating mechanism drives the universal joint rocker shaft 15 to rotate, the universal joint rocker shaft 15 synchronously drives the rotating rod 23 and the rotating disc 21 to rotate, and due to the fact that the moving rods 20 are rotatably connected with the rotating disc 21, when the rotating disc 21 rotates, one side of the rotating disc moves upwards, the other side of the rotating disc moves downwards, namely one moving rod 20 moves upwards, the other moving rod 20 moves downwards, and therefore one vertical moving blade group 16 moves upwards, the other vertical moving blade group 16 moves downwards, and a shearing state is formed. When the cutting machine works, the rotating disc 21 rotates back and forth, and the two vertical movable blades perform reciprocating cutting motion.

It should be noted that the rotating mechanism is an existing device capable of driving rotation, such as an eccentric connecting rod and a rocker arm, and through cooperation of the eccentric connecting rod and the rocker arm, the universal joint rocker shaft 15 is driven to rotate back and forth, so that the vertical moving blade set 16 can be driven to perform reciprocating cutting motion.

The utility model discloses a rolling disc 21, dwang 23, universal joint rocker shaft 15 and slewing mechanism's cooperation, slewing mechanism drive universal joint rocker shaft 15, dwang 23 and rolling disc 21 and rotate in step for the removal subassembly 18 of both sides drives respective vertical knife section 16 and moves towards opposite direction, only can realize vertical cutting through a slewing mechanism, has practiced thrift the cost.

Example 4

The present embodiment is explained with respect to the structure of the lateral horizontal shearing blade 8 and the lateral cutting process on the basis of the above-described embodiments.

As shown in fig. 3, 4 and 6, a transverse cutter support 27 is arranged at a position near the front end of the bottom of the frame 1 along the long axis direction, the transverse horizontal shearing cutter 8 is connected with the transverse cutter support 27, the transverse horizontal shearing cutter 8 comprises a plurality of fixed cutter blades 26 and a transverse cutter blade group 28, the fixed cutter blades 26 are arranged along the long axis direction of the transverse cutter support 27 and connected with one side of the transverse cutter support 27 away from the frame 1, the transverse cutter blade group 28 is arranged on the top surface of the transverse cutter support 27, the transverse cutter blade group 28 is connected with the driving device 22 and slides on the transverse cutter support 27 in a left-right reciprocating manner through the driving device 22, and when sliding in a reciprocating manner, the transverse cutter blade group 28 and the fixed cutter blades 26 are in a shearing state.

The utility model discloses a horizontal sword support 27, stationary blade 26, horizontal blade group 28 and drive arrangement 22's cooperation is driven horizontal blade group 28 left and right sides reciprocating motion by drive arrangement 22, is the shearing state with stationary blade 26, forms and moves the combination of stationary blade 26, does benefit to and carries out horizontal cutting to rely on same slewing mechanism can realize horizontal cutting and vertical cutting, saved the cost more.

As a preferable mode, a movable through groove 31 matched with the transverse moving blade group 28 is formed in each fixed blade 26 along the horizontal direction, and when reciprocating, the blades on the transverse moving blade group 28 can pass through the movable through groove 31; the horizontal moving distance of the transverse moving blade group 28 can be prolonged, crops can be cut back and forth, and the cutting efficiency is improved.

Example 5

The present embodiment is explained with respect to the connection structure between the transverse moving blade group 28 and the driving device 22 on the basis of the above embodiments.

As shown in fig. 3, a sleeve ring 14 is sleeved on the rotating rod 23 near the vertical knife support 4, a guide rod 30 is vertically connected to the bottom surface of the sleeve ring 14, a guide block 29 is arranged at the bottom end of the guide rod 30, a limit block 25 is arranged on the top surface of the transverse moving blade group 28, a limit groove 24 is formed in the limit block 25, and the guide block 29 is located in the limit groove 24 and is limited in the limit groove 24 when reciprocating left and right.

It should be noted that, when the rotating rod 23 rotates, the guide rod 30 and the guide block 29 rotate synchronously, but when the rotating rod 23 rotates, the guide rod 30 and the guide block 29 change in height in the vertical direction, when the guide rod 30 rotates back and forth, the guide block 29 always moves in the limiting groove 24, the limiting groove 24 is used to ensure that the guide block 29 does not fall off during the reciprocating motion, the rotation of the guide rod 30 is not limited, and when the reciprocating cutting motion is performed, the transverse moving blade group 28 always contacts with the top surface of the transverse blade support 27 and is not lifted by the guide block 29.

The utility model discloses a lantern ring 14, guide bar 30, guide block 29, stopper 25 and spacing groove 24's cooperation guarantees that horizontal knife section 28 carries out reciprocating motion about following the horizontal direction steadily on horizontal knife support 27.

Claims

1. The mowing device is characterized by comprising a rack (1), wherein the vertical section of the rack (1) is L-shaped, the two sides of the top of the rack (1) are rotatably connected with lifting arms (2), the lifting arms (2) move up and down through adjusting screw rods (11) arranged on the rack (1), a spindle (5) is vertically arranged between the two lifting arms (2), one end of the spindle (5) is rotatably connected with one end, far away from the rack (1), of one lifting arm (2) and the other end of the spindle (5) is rotatably connected with one end, far away from the rack (1), of the other lifting arm (2), the spindle (5) is connected with a rotating motor, the rotating motor is connected with one lifting arm (2), a left side grain poking device (6) and a right side grain poking device (10) are symmetrically arranged in the long axis direction of the spindle (5), and a left side flat conveyer belt (3) is arranged below the left side grain poking device (6) in the rack (1) ) A right flat conveyer belt (9) is arranged below the right side grain dialing device (10);

the horizontal shearing knife (8) is arranged in the position extending shaft direction close to the front end of the bottom of the rack (1), the rack (1) is provided with a vertical knife support (4) along the vertical upward direction, the vertical knife support (4) extends outwards and extends to the outside of the rack (1), one surface, away from the rack (1), of the vertical knife support (4) is provided with a middle vertical knife (7) for vertical cutting, and the virtual vertical surface where the middle vertical knife (7) is located between the left side grain poking device (6) and the right side grain poking device (10).

2. The mowing device with the middle-set split-row upright knife according to claim 1, two groups of fixing pieces (13) are symmetrically arranged on one surface of the vertical knife bracket (4) far away from the rack (1), a guide groove (12) is formed between the two groups of fixing pieces (13), one side far away from the vertical knife bracket (4) is provided with an opening, the middle vertical knife (7) comprises two vertical moving blade groups (16) which are contacted with each other, the connecting parts (17) of the vertical moving blade groups (16) are all positioned in the guide grooves (12), one side of each blade of each vertical moving blade group (16) penetrates through the opening and extends to the outside of the fixing part (13), one side, opposite to each other, of each vertical moving blade group (16) is connected with a moving assembly (18), and the two moving assemblies (18) respectively drive the vertical moving blade groups (16) to do vertical reciprocating motion in opposite directions through driving devices (22).

3. A grass cutting device with a centrally mounted split-row blade as claimed in claim 2, characterized in that the moving assembly (18) comprises moving rods (20) and moving parts (19), two of the moving parts (19) being connected to adjacent connecting parts (17), the moving rods (20) being connected to the drive means (22).

4. The mowing device with the middle-set split-row upright knife according to claim 3, the driving device (22) comprises a rotating disc (21), a rotating rod (23) and a universal joint rocker shaft (15), the vertical section of the rotating disc (21) is in an isosceles triangle shape, the bottom ends of the two moving rods (20) are symmetrical and are rotatably connected to the positions of the rotating disc (21) close to the two bottom angles, one end of the rotating rod (23) is connected with the rotating disc (21) to form a connecting point A, the axis of the connecting point A and the bisector of the vertex angle of the vertical section of the rotating disc (21) are positioned on the same virtual vertical plane, the other end of the rotating rod (23) penetrates through the vertical cutter support (4) and is connected with one end of the universal joint rocker shaft (15), the rotating rod (23) is rotatably connected with the vertical cutter support (4), and the universal joint rocker shaft (15) is driven by the rotating mechanism to rotate.

5. The mowing device with the middle-set split-row upright knife according to claim 4, a transverse knife bracket (27) is arranged at the position close to the front end of the bottom of the machine frame (1) along the long axis direction, the transverse horizontal shearing knife (8) is connected with the transverse knife bracket (27), the transverse horizontal shearing knife (8) comprises a fixed blade (26) and a transverse movable blade group (28), the number of the fixed blades (26) is a plurality, the fixed blades are arranged along the long axis direction of the transverse knife bracket (27) and are connected with one side of the transverse knife bracket (27) far away from the frame (1), the transverse moving blade group (28) is arranged on the top surface of the transverse blade support (27), the transverse moving blade group (28) is connected with the driving device (22) and slides on the transverse blade support (27) in a left-right reciprocating mode through the driving device (22), and when the transverse moving blade group (28) slides in a reciprocating mode, the transverse moving blade group and the fixed blade (26) are in a shearing state.

6. The mowing device with the middle split row of vertical blades according to claim 5, wherein each fixed blade (26) is provided with a movable through groove (31) matched with the transverse moving blade group (28) along the horizontal direction, and blades on the transverse moving blade group (28) can pass through the movable through grooves (31) during reciprocating motion.

7. The mowing device with the middle row of vertical knives according to claim 5, characterized in that a sleeve ring (14) is sleeved on the position of the rotating rod (23) close to the vertical knife bracket (4), a guide rod (30) is vertically connected to the bottom surface of the sleeve ring (14), a guide block (29) is arranged at the bottom end of the guide rod (30), a limit block (25) is arranged on the top surface of the transverse moving blade group (28), a limit groove (24) is formed in the limit block (25), and the guide block (29) is located in the limit groove (24) and is limited in the limit groove (24) when reciprocating left and right.