CN113455173A

CN113455173A - Agricultural lawn mower

Info

Publication number: CN113455173A
Application number: CN202110715331.3A
Authority: CN
Inventors: 刘杏桂
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-27
Filing date: 2021-06-27
Publication date: 2021-10-01

Abstract

The invention relates to the technical field of mowers, in particular to an agricultural mower which comprises a cutting shell, wherein a fuel generator is fixedly installed at the top of the cutting shell, a mowing mechanism is installed at the position, close to the end part, of the bottom surface of the cutting shell, and a collecting shell is fixedly communicated with one side of the cutting shell. According to the technical scheme, the distances among the connecting shaft below the adjusting plate, the cutting shell and the collecting shell are increased, so that the integral gravity center of the mower is improved, the bottom surface of the mower cannot touch the ground ridge when the mower climbs the slope, particularly when the mower climbs over a high point, collision between the mower and the ground ridge when the mower climbs over the ground ridge is avoided, and the integrity of the ground ridge is maintained.

Description

Agricultural lawn mower

Technical Field

The invention relates to the field of mowers, in particular to an agricultural mower.

Background

Mowers are also known as weed trimmers, lawnmowers, lawn trimmers, and the like. The invention discloses a mower with foldable and upright handrails, which is a mechanical tool for trimming lawns, vegetations and the like, and the invention with the application number of CN201920695043.4 discloses the mower with the foldable and upright handrails.

In the process of weeding the terraced fields in the prior art, the terraced fields are usually in a step shape, when the mower needs to cross the terraced fields with the existing height and move to other heights, the height of a chassis of the mower is low, so that the mower can easily fall into an area with obvious height change, a ridge preventing water loss is usually arranged at the edge of the terraced fields, and the terrace is easily damaged by the hard top of the mower.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an agricultural mower.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an agricultural mower comprises a cutting shell, wherein a fuel generator is fixedly mounted at the top of the cutting shell, a mowing mechanism is mounted at the position, close to the end, of the bottom surface of the cutting shell, and a collecting shell is fixedly communicated with one side of the cutting shell;

adjusting plates are placed at the bottoms of the cutting shell and the collecting shell, one opposite sides of the two adjusting plates are hinged to the bottoms of the cutting shell and the collecting shell respectively, the adjusting plates are attached to the bottoms of the cutting shell and the collecting shell respectively through elastic limiting mechanisms, a connecting shaft at the bottom of each adjusting plate is rotatably connected with two symmetrically-arranged rollers, one connecting shaft is connected with a rotary driving mechanism, a turnover linkage mechanism is connected between the two adjusting plates, a handle is connected to the side surface of the collecting shell, a lifting adjusting mechanism is connected between the handle and the collecting shell, and the lifting adjusting mechanism can drive the turnover linkage mechanism to enable the two adjusting plates to synchronously turn over in opposite directions when the height of the handle is adjusted; when the agricultural mower works, the fuel generator provides power for the mowing mechanism after the fuel generator is started, the mowing mechanism cuts weeds at an opening below the cutting shell, the cut weeds enter the collecting shell after passing through the cutting shell, the rotary driving mechanism drives the connecting shaft to rotate, the connecting shaft drives the idler wheels to rotate, and the mower can move in the field through the idler wheels, when the mower needs to climb a slope in a terrace, the handle is lifted upwards by operating the lifting adjusting mechanism, so that an operator can conveniently keep the height of the handle at the ideal height of the operator when the mower inclines, the lifting adjusting mechanism can be linked with the turning linkage mechanism while adjusting the height of the handle, the turning linkage mechanism adjusts the adjusting plate, the two adjusting plates are turned oppositely, so that the two rollers are driven to approach and synchronously support the whole mower, the distance between the connecting shaft below the adjusting plate and the cutting shell and the collecting shell is increased, the heights of the bottoms of the cutting shell and the collecting shell and the ground are increased, the integral gravity center of the mower is improved, and the mower can climb the slope, particularly, when climbing over a high point, the bottom surface of the mower cannot touch the ground ridge, so that the cutter is prevented from colliding with the ground ridge when climbing over the ground ridge, and the integrity of the ground ridge is maintained.

Preferably, the mowing mechanism comprises a rotating shaft, the rotating shaft is rotatably connected to one end in the cutting shell, a plurality of helical blades are fixedly connected to the side surface of the rotating shaft in a circumferential array, a high-speed rotating mechanism is connected to the rotating shaft, the high-speed rotating mechanism comprises a first motor, the first motor is installed on one side in the cutting shell, an output shaft of the first motor and one end of the rotating shaft are fixedly connected with driving wheels, and the driving wheels are in transmission connection through a transmission belt; when the fuel oil electric generator works, the first motor is started through the power of the fuel oil electric generator, the output shaft of the first motor drives the driving wheels to rotate, the rotating shaft is rotated at a high speed through the transmission effect of the driving belt between the two driving wheels, and therefore the helical blades on the rotating shaft are driven to rotate and cut, and the function of mowing is achieved.

Preferably, the elastic limiting mechanism comprises two groups of arc-shaped rods, the two groups of arc-shaped rods are fixedly connected to the tops of the two adjusting plates respectively, one ends of the two groups of arc-shaped rods penetrate through the bottoms of the cutting shell and the collecting shell respectively and extend to the inner part of the cutting shell and the collecting shell and are fixedly connected with a baffle, arc-shaped springs are sleeved on the arc-shaped rods, the two groups of arc-shaped rods incline oppositely, and the bending circle centers of the arc-shaped rods are coaxial with the hinging parts of the adjusting plates; when in work, if the adjusting plate is not elastically supported, the adjusting plate can be shaken in the overturning process to influence the stability of overturning adjustment, the baffle is extruded by the elastic action of the arc spring, so that the baffle drives the arc rod to move towards the upper parts in the cutting shell and the collecting shell, thereby the two adjusting plates move upwards under the action of elastic pulling, the shaking of the adjusting plates in the moving process is reduced, the stability in the moving process is improved, the bending circle center of the arc-shaped rod is coaxial with the hinged position of the adjusting plates, so that the arc-shaped rod can move up and down at the connecting position of the cutting shell and the collecting shell in the process that the adjusting plate rotates around the hinge, thereby the rotation of cooperation regulating plate for the regulating plate has an elasticity to draw all the time at the in-process of being adjusted by the upset to drag, avoids the regulating plate to swing at will, is favorable to the stability of upset regulation.

Preferably, the driving mechanism comprises a second motor, the second motor is fixedly connected to the top of the adjusting plate below the collecting shell, belt pulleys are fixedly connected to an output shaft of the second motor and a connecting shaft below the collecting shell, and the belt pulleys are in transmission connection through a belt; when the mower works, the power of the fuel generator drives the second motor to work, the output shaft of the second motor drives the belt pulleys to rotate, the two belt pulleys rotate the connecting shaft below the collecting shell under the transmission action of the belt, and the connecting shaft rotates and simultaneously drives the roller below the collecting shell to rotate, so that the mower moves.

Preferably, the lifting adjusting mechanism comprises a fixed block, the fixed block is fixedly connected to one side of the collecting shell, which is far away from the cutting shell, a rotating bolt is connected to the fixed block in a threaded manner, a fixed ring is fixedly connected to one side of the connecting plate, which is opposite to the collecting shell, the bottom end of the rotating bolt extends to the lower part of the fixed ring and is fixedly connected with a third limiting plate, the top of the third limiting plate is slidably connected with the fixed ring, and the top of the connecting plate is fixedly connected to the bottom end of the handle; the during operation, when the lawn mower prepares to begin to stride across the slope, rotate the swivel bolt, make the swivel bolt rise through the screw rotation in the fixed block, the third limiting plate of swivel bolt bottom is at the in-process that rises, drive solid fixed ring rebound, gu fixed ring drives connecting plate rebound, when the lawn mower climbs, the front end is raised and the handle position of rear end reduces relatively, the position through the connecting plate rises, drive handle position rebound, thereby make the lawn mower at the in-process of chassis lifting, the handle rises in step, control grips when making things convenient for the climbing.

Preferably, the turnover linkage mechanism comprises a bidirectional screw rod, positioning slide rails and a gear, the bidirectional screw rod is connected to the bottoms of the cutting shell and the collecting shell in a rotating mode together, the surface of the bidirectional screw rod is in threaded connection with two symmetrically-arranged abutting blocks, the two abutting blocks are respectively located between the bottoms of the cutting shell and the collecting shell and adjacent adjusting plates, two supporting slide rails are fixedly connected between the bottoms of the cutting shell and the collecting shell, two sides of the abutting blocks are respectively connected in the adjacent supporting slide rails in a sliding mode, a cover plate is movably connected to an opening at the top of the collecting shell, the positioning slide rails are fixedly connected to the side faces of the collecting shell, a flexible rack is connected to one side of each positioning slide rail in a sliding mode, a winding box is fixedly connected to the bottom of one side, away from the cutting shell, of the collecting shell, and the bottom end of the flexible rack is located in the winding box, the gear is fixedly connected to one end, close to the positioning slide rail, of the bidirectional screw, the gear is meshed with the flexible rack, a circular rod is fixedly connected to one side, far away from the collecting shell, of the top end of the flexible rack, a lantern ring is fixedly connected to the bottom of the connecting plate, and one end of the circular rod is located in the lantern ring; when the two-way screw rod is in work, the thread directions of the two ends of the two-way screw rod are opposite, so that when the two-way screw rod rotates in different directions, the two abutting blocks in threaded connection with the two ends can be driven to move towards or away from each other, the two abutting blocks at the two ends move in a synchronous way towards each other due to the fact that the supporting slide rails limit the rotation of the abutting blocks, the two abutting blocks on the two-way screw rod move synchronously, in the process that the two abutting blocks move towards each other, the bottom of the cutting shell and the collecting shell and the adjacent adjusting plates are squeezed, the included angle between the bottom of the cutting shell and the collecting shell and the adjacent adjusting plates is gradually increased, the distance between the connecting shaft at the bottom of the adjusting plates and the cutting shell and the collecting shell is increased, the heights of the cutting shell and the collecting shell are increased, the mower can span a larger gradient, and the damage of the cutting shell and the collecting shell to a ridge is reduced, effectual irrigation water to in the terraced fields protects, the in-process that the connecting plate rises, the lantern ring pulling cover intra-annular circular rod rebound of connecting plate bottom, circular rod fixed connection is in one side of flexible rack, thereby make flexible rack rebound, the flexible rack passes through the meshing effect with the gear, it rotates to drive the gear, the gear drives two-way screw rod and rotates, thereby make two-way screw rod rotate and improve the chassis height of lawn mower, the flexible rack restricts the removal orbit through the location slide rail, and the bottom of flexible rack carries out the rolling through the rolling box, prevent that the bottom of flexible rack from dragging the ground or taking place to collide with and influence the meshing tooth.

Preferably, the inner wall of the collecting shell is provided with a gravity center adjusting mechanism, the gravity center adjusting mechanism comprises a balancing weight, a cam and a rotating shaft, the rotating shaft is rotatably connected to one side of the collecting shell far away from the cutting shell, one end of the rotating shaft is fixedly connected with a first limiting plate, the rotating shaft is connected with a connecting plate in a sliding insertion manner, a sliding groove is formed in the connecting plate, one end of the rotating shaft is positioned above the sliding groove, two opposite sides of the rotating shaft are both flush structures, two flush sides of the rotating shaft are in contact with two sides of the sliding groove, the balancing weight is arranged in the collecting shell, one side of the balancing weight opposite to the rotating shaft is fixedly connected with a first traction rope, one end of the first traction rope penetrates through one side of the collecting shell and extends to be fixed at the bottom of the connecting plate, and elastic parts are arranged on one side of the balancing weight close to the rotating shaft and on two opposite sides of the balancing weight, the cam is fixedly connected to the side face, located in the collecting shell, of the rotating shaft, the end, located in the collecting shell, of the rotating shaft is rotatably connected with the rectangular baffle, the bottom of the rectangular baffle is fixedly connected to the bottom of the collecting shell, a first torsion spring is sleeved on the rotating shaft between the cam and the rectangular baffle, a U-shaped groove is formed in one side, close to the rectangular baffle, of the cam, one end of the first torsion spring is located in the U-shaped groove, the other end of the first torsion spring is located in one side of the rectangular baffle, connecting rods are fixedly connected to two opposite sides of the counterweight block, a clamping groove is formed in one side, protruding out of the cam, the clamping groove is matched with one end of each connecting rod, strip-shaped grooves are formed in two ends, located on one side of the rotating shaft, of the collecting shell, pull rods are fixedly connected to one side of each connecting rod, and extend to the outside of the collecting shell from the adjacent strip-shaped grooves respectively, a first spring is sleeved on the rotating shaft between the collecting shell and the connecting plate; when the mower works, the center of gravity of the cutting machine can be changed and the cutting machine is easy to tip over when the mower mows along the slope of a terrace and turns over a ridge, and the technical scheme has potential safety hazards, the specific working mode is as follows, the limit of the rotation limiting mechanism is cancelled, the elastic action of the first spring extrudes the connecting plate, so that the connecting plate moves outwards along the rotating shaft, the rectangular rod is separated from the groove of the U-shaped connecting piece, meanwhile, the fixing ring is separated from the third limiting plate in a sliding way, in the process of moving outwards, the lantern ring at the bottom of the connecting plate is separated from one side of the circular rod, the connecting plate can rotate under the driving of the handle, the handle rotates to the reverse direction convenient for an operator to hold, at the moment, the sliding groove on the connecting plate is contacted with the two flush sides of the rotating shaft, so that the connecting plate can drive the rotating shaft to rotate, when the mower mows along the slope of the terrace, the mower inclines along one side, the handle is rotated to drive the connecting plate to rotate, the handle returns to the horizontal direction, thereby facilitating the operation of a user, the handle drives the connecting plate to rotate, meanwhile, the connecting plate drives the rotating shaft to rotate, the cam on the rotating shaft rotates towards the higher side and extrudes the connecting rod at the higher side, the connecting rod is extruded to move outwards and drives the balancing weight to move towards the higher side, thereby when the mower deviates towards one side, the balancing weight can move towards the higher side after the handle direction is adjusted, thereby the whole gravity center of the mower deviates towards the higher side after the deviation, being beneficial to keeping the balance of the mower and preventing the side turning, the clamping groove on the cam is embedded into one end of the connecting rod in the rotating process, thereby the position is fixed, the pull rod continues to be pulled along the strip-shaped groove, one end of the connecting rod is separated from the clamping groove on the cam, and then the cam is aligned under the action of the first torsion spring; when the lawn mower climbs upwards, the connecting plate moves upwards when adjusting the chassis height, and pulls first haulage rope at the in-process of upward movement, removes the balancing weight through the pulling force of first haulage rope, makes the balancing weight remove to one side of collecting the casing and keeping away from the cutting casing, thereby moves the focus backward, makes the focus shift up when lawn mower adjustment chassis height, makes the lawn mower can be more stable at the in-process of downhill path.

Preferably, a rotation limiting mechanism is arranged at the bottom of the connecting plate and comprises two rectangular rods, the two rectangular rods are fixedly connected to two ends of the bottom of the connecting plate respectively, two ends, far away from the cutting shell, of the collecting shell are fixedly connected with U-shaped connecting pieces, the bottom ends of the rectangular rods extend to the positions below the U-shaped connecting pieces from rectangular openings of the adjacent U-shaped connecting pieces respectively, a second limiting plate is rotatably connected to an opening of each U-shaped connecting piece, and a magnetic block is fixedly connected to one side of each U-shaped connecting piece below the corresponding second limiting plate; during operation, through the both ends fixed connection rectangle pole in the connecting plate bottom, the rectangle pole is located the recess of U type connecting piece, and U type connecting piece fixed connection is on collecting the casing, the rectangle pole is when the recess of U type connecting piece, can only reciprocate along the recess of U type connecting piece, thereby prevent that the connecting plate from rotating in the pivot, connecting plate position is unstable when preventing the high lifting of bottom, turn to through the restriction connecting plate and be favorable to lawn mower chassis high stability to rise, it rotates from the top of magnetic block to rotate the second limiting plate, and make the side of rectangle pole break away from one side of second limiting plate, the recess that the U type connecting piece just can be followed to the rectangle pole breaks away from, rotate the second limiting plate and make the rectangle pole break away from the recess of U type connecting piece, the rectangle pole loses behind the second limiting plate is spacing, the connecting plate just can drive the pivot and rotate.

Preferably, the two sides of the cutting shell and the collecting shell are both hinged with a support plate, the hinged parts of the support plates are both provided with a second torsion spring, one end of the second torsion spring is positioned at one side of the supporting plate, the other end of the second torsion spring is positioned at one side of the adjacent cutting shell and collecting shell, a welding rod is fixedly connected between the supporting plates at the same side, the bottom of the supporting plate is rotatably connected with auxiliary wheels, both sides of the collecting shell are fixedly connected with L-shaped baffles, the tops of the supporting plates at the two sides of the collecting shell are positioned in the adjacent L-shaped baffle plates, the two sides of the collecting shell are provided with rectangular grooves, rectangular plates are hinged to the middle positions in the rectangular grooves and are positioned on one sides of the adjacent supporting plates, second traction ropes are fixedly connected to the upper portions of the opposite sides of the two rectangular plates, and the two second traction ropes are fixedly connected to the two opposite sides of the balancing weight respectively; when the mower works, if the cutting mechanism slides on a slope, the side face cannot be supported, the mower runs the risk of sliding and overturning, the balancing weight moves to the higher side when mowing along the slope, the lower side of the balancing weight pulls the second traction rope in the moving process, the second traction rope drives the rectangular plate to rotate in the middle of the rectangular groove, one end of the rectangular plate butts against the supporting plate on the lower side in the rotating process to expand outwards, the two supporting plates on the same side expand simultaneously through the welding rod to support the lower side of the mower, the auxiliary wheel on the supporting plate facilitates the movement of the supporting plate, the L-shaped baffle can block the supporting plate to limit the rotating angle of the supporting plate, the second torsion spring enables the supporting plate to be always attached to the two sides of the mower when not being extruded by the rectangular plate, so that the supporting plate can be obliquely supported through the auxiliary wheel after being overturned, the cutting machine is supported in the inclined direction when the cutting machine is inclined and landslide occurs, and the auxiliary wheel can play a role in oblique support.

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

1. when the lawn mower prepares to begin to stride across the slope, the rotating bolt rotates, the rotating bolt is made to rotate and rise in the fixed block through the screw thread, the third limiting plate at the bottom of the rotating bolt drives the fixed ring to move upwards in the rising process, the fixed ring drives the connecting plate to move upwards, when the lawn mower climbs, the front end is raised and the handle position of the rear end is relatively lowered, the position through the connecting plate rises, the handle position is driven to move upwards, thereby the lawn mower is in the process of lifting the chassis, the handle synchronously rises, and the grip control is carried out when the lawn mower climbs conveniently.

2. When the bidirectional screw rod rotates in different directions, the two-way screw rod can drive the abutting blocks in threaded connection at the two ends to move towards or away from each other, the two-way screw rod is rotated to enable the abutting blocks at the two ends to move in the supporting slide rail, because the support slide rail limits the rotation of the resisting blocks, the two resisting blocks on the bidirectional screw rod move synchronously in opposite directions, the bottom parts of the cutting shell and the collecting shell and the adjacent adjusting plates are extruded to gradually increase the included angle between the bottom parts of the cutting shell and the collecting shell and the adjacent adjusting plates, thereby increasing the distance between the connecting shaft at the bottom of the adjusting plate and the cutting shell as well as the distance between the connecting shaft and the collecting shell, increasing the height of the cutting shell and the collecting shell, being beneficial to the mower to span a larger gradient, and the damage of the cutting shell and the collecting shell to the ridge is reduced, and the irrigation water in the terrace is effectively protected.

3. When the lawn mower mows along the domatic of terraced fields, the lawn mower is along a lopsidedness, it rotates to rotate the handle and drive the connecting plate, make the handle get back to the horizontal direction, thereby the person of facilitating the use operates, when the handle drives the connecting plate pivoted, the connecting plate drives the pivot and rotates, epaxial cam rotates to higher one side, and extrude the connecting rod of higher one side, the connecting rod receives the extrusion and outwards removes, and drive the balancing weight to higher one side removal, thereby make the lawn mower when skew to one side, the balancing weight can remove to higher one side behind the adjustment handle direction, thereby make whole focus be partial to higher one side behind the lawn mower skew, be favorable to keeping the lawn mower balanced, prevent to take place to turn on one's side.

4. When the mower mows along the slope, the balancing weight moves to the higher side, and in the moving process, the lower side of the balancing weight pulls the second traction rope, so that the second traction rope drives the rectangular plate to rotate in the middle of the rectangular groove, one end of the rectangular plate butts against the supporting plate on the lower side in the rotating process to expand the supporting plate outwards, the two supporting plates on the same side are expanded simultaneously through the welding rod, thereby supporting the lower side of the mower, the auxiliary wheel on the supporting plate is convenient for the supporting plate to move, the L-shaped baffle plate can block the supporting plate, thereby limiting the rotation angle of the supporting plate, the second torsion spring enables the supporting plate to be always attached to the two sides of the mower when the supporting plate is not extruded by the rectangular plate, thereby the backup pad is through auxiliary wheel slope auxiliary stay after the upset for the incline direction has the support when taking place the landslide when the cutting machine slope, and the auxiliary wheel can play the effect of slant support.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top cross-sectional view of the present invention;

FIG. 3 is a schematic view of a first side cross-sectional structure of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view of a second side of the present invention;

FIG. 6 is a schematic view of the backside structure of the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 6 according to the present invention;

FIG. 8 is an enlarged view of the structure at C in FIG. 7 according to the present invention;

FIG. 9 is an enlarged view of the structure shown at D in FIG. 7 according to the present invention;

FIG. 10 is a schematic side cross-sectional view of the present invention;

FIG. 11 is an enlarged view of the structure at E in FIG. 10 according to the present invention;

FIG. 12 is a schematic view of the internal structure of the collecting case according to the present invention;

FIG. 13 is a schematic cross-sectional back view of the present invention;

fig. 14 is a schematic cross-sectional view of a fourth side of the present invention.

In the figure: cutting shell 1, fuel generator 2, collecting shell 3, cover plate 4, handle 5, rotating shaft 6, helical blade 7, first motor 8, driving wheel 9, driving belt 10, adjusting plate 11, connecting shaft 12, roller 13, bidirectional screw 14, abutting block 15, supporting slide rail 16, arc-shaped rod 17, arc-shaped spring 18, baffle 19, connecting plate 20, rotating shaft 21, first limiting plate 22, sliding groove 23, rectangular rod 24, gear 25, flexible rack 26, positioning slide rail 27, winding box 28, U-shaped connecting piece 29, second limiting plate 30, magnetic block 31, circular rod 32, lantern ring 33, first spring 34, cam 35, clamping groove 36, rectangular baffle 37, first torsion spring 38, U-shaped groove 39, connecting rod 40, strip-shaped groove 41, pull rod 42, balancing weight 43, elastic piece 44, first traction rope 45, second traction rope 46, rectangular plate 47, rectangular groove 48, supporting plate 49, supporting plate, first limiting plate 22, sliding block 23, sliding block 20, sliding shaft 20, connecting rod 24, connecting rod 40, strip-shaped groove 41, pull rod 42, balancing weight 43, elastic piece 44, first traction rope 45, second traction rope 46, rectangular plate 47, rectangular groove 48, supporting plate 49, and the like, The device comprises a second torsion spring 50, an L-shaped baffle 51, an auxiliary wheel 52, a welding rod 53, a belt pulley 54, a belt 55, a second motor 56, a fixed block 57, a rotating bolt 58, a fixed ring 59 and a third limit plate 60.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

An agricultural mower as shown in fig. 1-14 comprises a cutting shell 1, wherein a fuel generator 2 is fixedly mounted at the top of the cutting shell 1, a mowing mechanism is mounted at the position close to the end part of the bottom surface of the cutting shell 1, and a collecting shell 3 is fixedly communicated with one side of the cutting shell 1;

adjusting plates 11 are respectively placed at the bottoms of the cutting shell 1 and the collecting shell 3, one opposite sides of the two adjusting plates 11 are respectively hinged to the bottoms of the cutting shell 1 and the collecting shell 3, the adjusting plates 11 are respectively attached to the bottoms of the cutting shell 1 and the collecting shell 3 through elastic limiting mechanisms, a bottom connecting shaft 12 of each adjusting plate 11 is rotatably connected with two symmetrically-arranged idler wheels 13, one connecting shaft 12 is connected with a rotary driving mechanism, an overturning linkage mechanism is connected between the two adjusting plates 11, a handle 5 is connected to the side surface of the collecting shell 3, a lifting adjusting mechanism is connected between the handle 5 and the collecting shell 3, and the lifting adjusting mechanism can drive the overturning linkage mechanism to synchronously overturn the two adjusting plates 11 in opposite directions while adjusting the height of the handle 5; when the agricultural mower works, the fuel generator 2 is used for providing power for the mowing mechanism, the mowing mechanism cuts weeds at an opening below the cutting shell 1, the cut weeds enter the collecting shell 3 after passing through the cutting shell 1, the rotary driving mechanism drives the connecting shaft 12 to rotate, the connecting shaft 12 drives the roller 13 to rotate, and the mower moves in the field through the roller 13, when the mower needs to climb in a terrace, the handle 5 is lifted upwards by operating the lifting adjusting mechanism, so that when an operator inclines the mower, the height of the handle 5 is kept at the ideal height of the operator, the lifting adjusting mechanism can be linked with the turnover linkage mechanism while adjusting the height of the handle 5, the turnover linkage mechanism adjusts the adjusting plate 11, the two adjusting plates 11 are turned over oppositely, so that the two rollers 13 are driven to be close to and synchronously support the whole mower, the distance between the connecting shaft 12 below the adjusting plate 11 and the cutting shell 1 and the collecting shell 3 is increased, and the heights of the bottoms of the cutting shell 1 and the collecting shell 3 and the ground are increased, therefore, the center of gravity of the whole mower is improved, the bottom surface of the mower cannot touch the ground ridge in the climbing process of the mower, particularly when the mower climbs over a high point, collision between the mower and the ground ridge when the mower climbs over the ground ridge is avoided, and the integrity of the ground ridge is maintained.

As an embodiment of the invention, the mowing mechanism comprises a rotating shaft 6, the rotating shaft 6 is rotatably connected to one end in the cutting shell 1, the side surface of the rotating shaft 6 is fixedly connected with a plurality of helical blades 7 in a circumferential array, the rotating shaft 6 is connected with a high-speed rotating mechanism, the high-speed rotating mechanism comprises a first motor 8, the first motor 8 is arranged on one side in the cutting shell 1, an output shaft of the first motor 8 and one end of the rotating shaft 6 are both fixedly connected with a driving wheel 9, and the driving wheels 9 are in transmission connection through a driving belt 10; when the fuel oil electric generator works, the first motor 8 is started through the power of the fuel oil electric generator 2, the output shaft of the first motor 8 drives the driving wheels 9 to rotate, the rotating shaft 6 is rotated at a high speed through the transmission effect of the driving belt 10 between the two driving wheels 9, and therefore the helical blades 7 on the rotating shaft 6 are driven to rotate and cut, and the effect of mowing is achieved.

As an embodiment of the invention, the elastic limiting mechanism comprises two groups of arc-shaped rods 17, the two groups of arc-shaped rods 17 are respectively and fixedly connected to the tops of the two adjusting plates 11, one ends of the two groups of arc-shaped rods 17 respectively penetrate through the bottoms of the cutting shell 1 and the collecting shell 3 and extend to the inside to be fixedly connected with a baffle 19, arc-shaped springs 18 are sleeved on the arc-shaped rods 17, the two groups of arc-shaped rods 17 are inclined in opposite directions, and the bending circle centers of the arc-shaped rods 17 are coaxial with the hinged positions of the adjusting plates 11; in operation, if the adjusting plate 11 is not elastically supported, the adjusting plate 11 will sway in the overturning process, which affects the stability of overturning adjustment, the baffle is extruded by the elastic action of the arc spring 18, so that the baffle 19 drives the arc rod 17 to move to the upper part in the cutting shell 1 and the collecting shell 3, thereby the two adjusting plates 11 move upwards by the action of elastic pulling, the sway of the adjusting plate 11 in the moving process is reduced, the stability in the moving process is improved, the bending circle center of the arc rod 17 is coaxial with the hinge joint of the adjusting plate 11, thereby the adjusting plate 11 rotates around the hinge joint, the arc rod 17 can move up and down at the joint on the cutting shell 1 and the collecting shell 3, thereby the rotation of the adjusting plate 11 is matched, the adjusting plate 11 always has elastic pulling in the overturning adjustment process, and the adjusting plate 11 is prevented from swinging randomly, is favorable for the stability of the turnover adjustment.

As an embodiment of the present invention, the driving mechanism includes a second motor 56, the second motor 56 is fixedly connected to the top of the adjusting plate 11 below the collecting housing 3, a belt pulley 54 is fixedly connected to both an output shaft of the second motor 56 and the connecting shaft 12 below the collecting housing 3, and the belt pulley 54 is in transmission connection through a belt 55; when the mower works, the power of the fuel generator 2 drives the second motor 56 to work, the output shaft of the second motor 56 drives the belt pulleys 54 to rotate, the two belt pulleys 54 rotate the connecting shaft 12 below the collecting shell 3 through the transmission action with the belt 55, and the connecting shaft 12 rotates and simultaneously drives the rollers 13 below the collecting shell 3 to rotate, so that the mower moves.

As an embodiment of the present invention, the lifting adjusting mechanism includes a fixing block 57, the fixing block 57 is fixedly connected to one side of the collecting casing 3 away from the cutting casing 1, a rotating bolt 58 is connected to the fixing block 57 in a threaded manner, a fixing ring 59 is fixedly connected to one side of the connecting plate 20 opposite to the collecting casing 3, the bottom end of the rotating bolt 58 extends to the lower side of the fixing ring 59 and is fixedly connected to a third limiting plate 60, the top of the third limiting plate 60 is slidably connected to the fixing ring 59, and the top of the connecting plate 20 is fixedly connected to the bottom end of the handle 5; during operation, when the lawn mower is ready to start to stride across the slope, the rotating bolt 58 is rotated, the rotating bolt 58 is enabled to rotate and ascend in the fixing block 57 through threads, the third limiting plate 60 at the bottom of the rotating bolt 58 drives the fixing ring 59 to move upwards in the ascending process, the fixing ring 59 drives the connecting plate 20 to move upwards, when the lawn mower climbs, the front end is lifted, the position of the handle at the rear end is relatively lowered, the position of the handle 5 is driven to move upwards through the ascending of the position of the connecting plate 20, therefore, the lawn mower is lifted in the chassis lifting process, the handle 5 synchronously ascends, and the grip control is performed when the lawn mower climbs conveniently.

As an embodiment of the invention, the turnover linkage mechanism comprises a bidirectional screw 14, a positioning slide rail 27 and a gear 25, the bidirectional screw is connected to the bottoms of the cutting shell 1 and the collecting shell 3 in a rotating manner, the surface of the bidirectional screw 14 is in threaded connection with two symmetrically arranged abutting blocks 15, the two abutting blocks 15 are respectively positioned between the bottoms of the cutting shell 1 and the collecting shell 3 and the adjacent adjusting plate 11, two supporting slide rails 16 are fixedly connected between the bottoms of the cutting shell 1 and the collecting shell 3, two sides of the abutting blocks 15 are respectively in sliding connection with the adjacent supporting slide rails 16, a cover plate 4 is movably connected to an opening at the top of the collecting shell 3, the positioning slide rail 27 is fixedly connected to the side surface of the collecting shell 3, one side of the positioning slide rail 27 is in sliding connection with a flexible rack 26, the bottom of one side of the collecting shell 3 far away from the cutting shell 1 is fixedly connected with a rolling box 28, the bottom end of the flexible rack 26 is positioned in the winding box 28, the gear 25 is fixedly connected to one end, close to the positioning slide rail 27, of the bidirectional screw 14, the gear 25 is meshed with the flexible rack 26, one side, far away from the collecting shell 3, of the top end of the flexible rack 26 is fixedly connected with a circular rod 32, the bottom of the connecting plate 20 is fixedly connected with a lantern ring 33, and one end of the circular rod 32 is positioned in the lantern ring 33; when the two-way screw rod cutting machine works, the thread directions of the two ends of the two-way screw rod 14 are opposite, so that when the two-way screw rod 14 rotates in different directions, the abutting blocks 15 in threaded connection with the two ends can be driven to move towards or away from each other, the two abutting blocks 15 on the two ends can move in the supporting slide rails 16 by rotating the two-way screw rod 14, the supporting slide rails 16 limit the rotation of the abutting blocks 15, so that the two abutting blocks 15 on the two-way screw rod 14 move towards and synchronously, in the process that the two abutting blocks 15 move towards each other, the bottoms of the cutting shell 1 and the collecting shell 3 and the adjacent adjusting plates 11 are extruded, an included angle between the bottoms of the cutting shell 1 and the collecting shell 3 and the adjacent adjusting plates 11 is gradually increased, the distance between the connecting shaft 12 at the bottom of the adjusting plates 11 and the cutting shell 1 and the collecting shell 3 is increased, the heights of the cutting shell 1 and the collecting shell 3 are increased, and the larger gradient crossing of the cutting machine is facilitated, the damage of the cutting shell 1 and the collecting shell 3 to ridges is reduced, irrigation water in terraced fields is effectively protected, in the process that the connecting plate 20 rises, the lantern ring 33 at the bottom of the connecting plate 20 pulls the circular rod 32 in the lantern ring 33 to move upwards, the circular rod 32 is fixedly connected to one side of the flexible rack 26, the flexible rack 26 moves upwards, the flexible rack 26 drives the gear 25 to rotate through the meshing effect with the gear 25, the gear 25 drives the bidirectional screw 14 to rotate, the chassis height of the mower is improved through the rotation of the bidirectional screw 14, the flexible rack 26 limits the moving track through the positioning sliding rail 27, the bottom end of the flexible rack 26 is coiled through the coiling box 28, and the situation that the bottom end of the flexible rack 26 is dragged or collided to affect meshing teeth is avoided.

As an embodiment of the invention, the inner wall of the collecting shell 3 is provided with a gravity center adjusting mechanism, the gravity center adjusting mechanism comprises a balancing weight 43, a cam 35 and a rotating shaft 21, the rotating shaft 21 is rotatably connected to one side of the collecting shell 3 far away from the cutting shell 1, one end of the rotating shaft 21 is fixedly connected with a first limiting plate 22, the rotating shaft 21 is connected with a connecting plate 20 in a sliding and inserting manner, the connecting plate 20 is provided with a chute 23, one end of the rotating shaft 21 is positioned above the chute 23, two opposite sides of the rotating shaft 21 are flush structures, two flush sides of the rotating shaft 21 are contacted with two sides of the chute 23, the balancing weight 43 is arranged inside the collecting shell 3, one side of the balancing weight 43 opposite to the rotating shaft 21 is fixedly connected with a first traction rope 45, one end of the first traction rope 45 penetrates through one side of the collecting shell 3 and extends and is fixed at the bottom of the connecting plate 20, one side of the balancing weight 43 close to the rotating shaft 21 and two opposite sides are both provided with elastic members 44, the cam 35 is fixedly connected to the side surface of the rotating shaft 21 in the collecting shell 3, one end of the rotating shaft 21 in the collecting shell 3 is rotatably connected with a rectangular baffle 37, the bottom of the rectangular baffle 37 is fixedly connected to the bottom in the collecting shell 3, a first torsion spring 38 is sleeved on the rotating shaft 21 between the cam 35 and the rectangular baffle 37, one side of the cam 35 close to the rectangular baffle 37 is provided with a U-shaped groove 39, one end of the first torsion spring 38 is positioned in the U-shaped groove 39, the other end of the first torsion spring 38 is positioned at one side of the rectangular baffle 37, two opposite sides of a counterweight 43 are both fixedly connected with a connecting rod 40, one protruding side of the cam 35 is provided with a clamping groove 36, the clamping groove 36 is matched with one end of the connecting rod 40, two ends of the collecting shell 3 at one side of the rotating shaft 21 are both strip-shaped grooves 41, one side of the connecting rod 40 is both fixedly connected with a pull rod 42, the pull rod 42 respectively extends from the adjacent strip-shaped grooves 41 to the outside of the collecting shell 3, a first spring 34 is sleeved on the rotating shaft 21 between the collecting shell 3 and the connecting plate 20; when the mower works, the center of gravity of the cutting machine can be changed and the mower is easy to tip over when mowing along the slope of a terrace and turning over a ridge, and the technical scheme has potential safety hazards, the specific working mode is as follows, the limit of the rotation limiting mechanism is cancelled, the elastic action of the first spring 38 extrudes the connecting plate 20 to enable the connecting plate 20 to move outwards along the rotating shaft 21, so that the rectangular rod 24 is separated from the groove of the U-shaped connecting piece 29, meanwhile, the fixing ring 59 is separated from the third limiting plate 60 in a sliding way, in the process of moving outwards, the lantern ring 33 at the bottom of the connecting plate 20 is separated from one side of the circular rod 32, the connecting plate 20 can rotate under the driving of the grip 5, the grip 5 rotates to the opposite direction convenient for an operator to hold, at the moment, the sliding groove 23 on the connecting plate 20 is contacted with the two flush sides of the rotating shaft 21, so that the connecting plate 20 can drive the rotating shaft 21 to rotate, when the mower mows along the slope of the terrace, the mower inclines along one side, the handle 5 is rotated to drive the connecting plate 20 to rotate, the handle 5 returns to the horizontal direction, thereby facilitating the operation of a user, the handle 5 drives the connecting plate 20 to rotate, the connecting plate 20 drives the rotating shaft 21 to rotate, the cam 35 on the rotating shaft 21 rotates to the higher side and extrudes the connecting rod 40 at the higher side, the connecting rod 40 is extruded to move outwards and drives the balancing weight 43 to move to the higher side, so that when the mower deflects to one side, the balancing weight 43 can move to the higher side after adjusting the direction of the handle 5, thereby the whole gravity center of the mower deflects to the higher side after deflecting, the balance of the mower can be kept, the side turning can be prevented, and the cam 35 can rotate in the process, the clamping groove 36 on the cam 35 is embedded into one end of the connecting rod 40, so that the position is fixed, the pull rod 42 is continuously pulled along the strip-shaped groove 41, one end of the connecting rod 40 is separated from the clamping groove 36 on the cam 35, and then the cam 35 is enabled to return to the right position under the action of the first torsion spring 38; when the lawn mower climbs up, the connecting plate 20 moves upwards when adjusting the chassis height, and pulls the first traction rope 45 in the upward movement process, the counterweight 43 is moved by the pulling force of the first traction rope 45, so that the counterweight 43 moves towards one side of the collecting shell 3 away from the cutting shell 1, the gravity center moves backwards, the gravity center moves upwards when the lawn mower adjusts the chassis height, and the lawn mower can be more stable in the downhill process.

As an embodiment of the invention, a rotation limiting mechanism is arranged at the bottom of the connecting plate 20, the rotation limiting mechanism comprises two rectangular rods 24, the two rectangular rods 24 are respectively and fixedly connected to two ends of the bottom of the connecting plate 20, two ends of one side, away from the cutting shell 1, of the collecting shell 3 are respectively and fixedly connected with a U-shaped connecting piece 29, the bottom ends of the rectangular rods 24 respectively extend to the lower part of the U-shaped connecting piece 29 from a rectangular opening of the adjacent U-shaped connecting piece 29, a second limiting plate 30 is rotatably connected to an opening of the U-shaped connecting piece 29, and a magnetic block 31 is fixedly connected to one side of the U-shaped connecting piece 29 below the second limiting plate 30; when the mower is in operation, the rectangular rods 24 are fixedly connected to the two ends of the bottom of the connecting plate 20, the rectangular rods 24 are positioned in the grooves of the U-shaped connecting piece 29, the U-shaped connecting piece 29 is fixedly connected to the collecting shell 3, the rectangular rods 24 can only move up and down along the grooves of the U-shaped connecting piece 29 when being positioned in the grooves of the U-shaped connecting piece 29, so that the connecting plate 20 is prevented from rotating on the rotating shaft 21, the connecting plate 20 is prevented from being unstable in position when the bottom is lifted, stable lifting of the mower chassis is facilitated by limiting the rotation direction of the connecting plate 20, the second limiting plate 30 is rotated to rotate above the magnetic block 31, the side surface of the rectangular rod 24 is separated from one side of the second limiting plate 30, the rectangular rods 24 can be separated from the grooves of the U-shaped connecting piece 29, the second limiting plate 30 is rotated to separate the rectangular rods 24 from the grooves of the U-shaped connecting piece 29, and the rectangular rods 24 lose the limitation of the second limiting plate 30, the connecting plate 20 can drive the rotating shaft 21 to rotate.

As an embodiment of the invention, two sides of the cutting shell 1 and the collecting shell 3 are hinged with supporting plates 49, the hinged parts of the supporting plates 49 are all provided with second torsion springs 50, one end of each second torsion spring 50 is positioned at one side of the supporting plate 49, the other end of each second torsion spring 50 is positioned at one side of the adjacent cutting shell 1 and collecting shell 3, a welding rod 53 is fixedly connected between the supporting plates 49 at the same side, the bottoms of the supporting plates 49 are all rotatably connected with auxiliary wheels 52, two sides of the collecting shell 3 are all fixedly connected with L-shaped baffles 51, the tops of the supporting plates 49 at two sides of the collecting shell 3 are all positioned in the adjacent L-shaped baffles 51, two sides of the collecting shell 3 are both provided with rectangular grooves 48, the middle positions in the rectangular grooves 48 are all hinged with rectangular plates 47, the rectangular plates 47 are both positioned at one side of the adjacent supporting plates 49, a second traction rope 46 is fixedly connected above the opposite side of the two rectangular plates 47, the two second hauling ropes 46 are respectively and fixedly connected with two opposite sides of the balancing weight 43; when the mower works, if the cutting mechanism slides on a slope, the side face cannot be supported, the mower runs the risk of sliding and overturning, when the mower mows along the slope, the balancing weight 43 moves to the higher side, in the moving process, the lower side of the balancing weight 43 pulls the second traction rope 46, the second traction rope 46 drives the rectangular plate 47 to rotate in the middle of the rectangular groove 48, one end of the rectangular plate 47 abuts against the supporting plate 49 on the lower side in the rotating process to expand the supporting plate outwards, the two supporting plates 49 on the same side are expanded simultaneously through the welding rod 53 to support the lower side of the mower, the auxiliary wheels 52 on the supporting plates 49 facilitate the movement of the supporting plates 49, the L-shaped baffle 51 can block the supporting plates 49 to limit the rotating angle of the supporting plates 49, the second torsion springs 50 enable the supporting plates 49 to be always attached to two sides of the mower when not being extruded by the rectangular plate 47, therefore, the supporting plate 49 is tilted to support the cutting machine in an auxiliary manner through the auxiliary wheel 52 after being overturned, so that the cutting machine is supported in the tilting direction when the cutting machine is tilted to slide, and the auxiliary wheel 52 can play a role in oblique support.

The working principle of the invention is as follows:

when the agricultural mower works, the fuel generator 2 is used for providing power for the mowing mechanism, the mowing mechanism cuts weeds at an opening below the cutting shell 1, the cut weeds enter the collecting shell 3 after passing through the cutting shell 1, the rotary driving mechanism drives the connecting shaft 12 to rotate, the connecting shaft 12 drives the roller 13 to rotate, and the mower moves in the field through the roller 13, when the mower needs to climb in a terrace, the handle 5 is lifted upwards by operating the lifting adjusting mechanism, so that when an operator inclines the mower, the height of the handle 5 is kept at the ideal height of the operator, the lifting adjusting mechanism can be linked with the turnover linkage mechanism while adjusting the height of the handle 5, the turnover linkage mechanism adjusts the adjusting plate 11, the two adjusting plates 11 are turned over oppositely, so that the two rollers 13 are driven to be close to and synchronously support the whole mower, the distance between the connecting shaft 12 below the adjusting plate 11 and the cutting shell 1 and the collecting shell 3 is increased, and the heights of the bottoms of the cutting shell 1 and the collecting shell 3 and the ground are increased, therefore, the center of gravity of the whole mower is improved, the bottom surface of the mower cannot touch the ground ridge in the climbing process of the mower, particularly when the mower climbs over a high point, collision between the mower and the ground ridge when the mower climbs over the ground ridge is avoided, and the integrity of the ground ridge is maintained.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. An agricultural mower comprises a cutting shell (1), wherein a fuel generator (2) is fixedly mounted at the top of the cutting shell (1), and is characterized in that a mowing mechanism is mounted at a position close to the end part of the bottom surface of the cutting shell (1), and a collecting shell (3) is fixedly communicated with one side of the cutting shell (1);

adjusting plates (11) are respectively arranged at the bottoms of the cutting shell (1) and the collecting shell (3), one opposite sides of the two adjusting plates (11) are respectively hinged at the bottoms of the cutting shell (1) and the collecting shell (3), the adjusting plates (11) are respectively attached to the bottoms of the cutting shell (1) and the collecting shell (3) through elastic limiting mechanisms, a bottom connecting shaft (12) of the adjusting plate (11) is rotationally connected with two rollers (13) which are symmetrically arranged, one of the connecting shafts (12) is connected with a rotary driving mechanism, a turnover linkage mechanism is connected between the two adjusting plates (11), the side surface of the collecting shell (3) is connected with a handle (5), a lifting adjusting mechanism is connected between the handle (5) and the collecting shell (3), the lifting adjusting mechanism can drive the turning linkage mechanism to synchronously turn the two adjusting plates (11) in opposite directions when adjusting the height of the grip (5).

2. The agricultural mower according to claim 1, wherein the mowing mechanism comprises a rotating shaft (6), the rotating shaft (6) is rotatably connected to one end in the cutting housing (1), a plurality of helical blades (7) are fixedly connected to the side surface of the rotating shaft (6) in a circumferential array, a high-speed rotating mechanism is connected to the rotating shaft (6), the high-speed rotating mechanism comprises a first motor (8), the first motor (8) is installed on one side in the cutting housing (1), a driving wheel (9) is fixedly connected to each of an output shaft of the first motor (8) and one end of the rotating shaft (6), and the driving wheels (9) are in transmission connection through a driving belt (10).

3. The agricultural mower according to claim 1, wherein the elastic limiting mechanism comprises two groups of arc-shaped rods (17), the two groups of arc-shaped rods (17) are fixedly connected to the tops of the two adjusting plates (11) respectively, one ends of the two groups of arc-shaped rods (17) penetrate through the bottoms of the cutting shell (1) and the collecting shell (3) respectively and extend to an inner fixedly connected baffle (19), arc-shaped springs (18) are sleeved on the arc-shaped rods (17), the two groups of arc-shaped rods (17) are inclined in opposite directions, and the bending circle centers of the arc-shaped rods (17) are coaxial with the hinged positions of the adjusting plates (11).

4. The agricultural mower according to claim 1, wherein the driving mechanism comprises a second motor (56), the second motor (56) is fixedly connected to the top of the adjusting plate (11) below the collecting shell (3), a belt pulley (54) is fixedly connected to an output shaft of the second motor (56) and a connecting shaft (12) below the collecting shell (3), and the belt pulleys (54) are in transmission connection through a belt (55).

5. The agricultural mower of claim 1, wherein the lifting adjusting mechanism comprises a fixing block (57), the fixing block (57) is fixedly connected to one side of the collecting shell (3) far away from the cutting shell (1), a rotating bolt (58) is connected to the fixing block (57) in a threaded manner, a fixing ring (59) is fixedly connected to one side of the connecting plate (20) relatively to the collecting shell (3), the bottom end of the rotating bolt (58) extends to the position below the fixing ring (59) and is fixedly connected with a third limiting plate (60), the top of the third limiting plate (60) is connected with the fixing ring (59) in a sliding manner, and the top of the connecting plate (20) is fixedly connected to the bottom end of the handle (5).

6. The agricultural mower according to claim 5, wherein the turnover linkage mechanism comprises a bidirectional screw (14), a positioning slide rail (27) and a gear (25), the bidirectional screw is connected to the bottoms of the cutting housing (1) and the collecting housing (3) in a co-rotating manner, two symmetrically arranged abutting blocks (15) are screwed on the surface of the bidirectional screw (14), the two abutting blocks (15) are respectively located between the bottoms of the cutting housing (1) and the collecting housing (3) and the adjacent adjusting plate (11), two supporting slide rails (16) are fixedly connected between the bottoms of the cutting housing (1) and the collecting housing (3), two sides of the abutting blocks (15) are respectively connected in the adjacent supporting slide rails (16) in a sliding manner, a cover plate (4) is movably connected to an opening at the top of the collecting housing (3), and the positioning slide rail (27) is fixedly connected to the side of the collecting housing (3), one side sliding connection of location slide rail (27) has flexible rack (26), collect one side bottom fixedly connected with of casing (3) keeping away from cutting casing (1) and roll up box (28), the bottom of flexible rack (26) is located and rolls up box (28), gear (25) fixed connection is in the one end that two-way screw rod (14) are close to location slide rail (27), gear (25) and flexible rack (26) mesh mutually, one side fixedly connected with round bar (32) of collecting casing (3) are kept away from on flexible rack (26) top, the bottom fixedly connected with lantern ring (33) of connecting plate (20), the one end of round bar (32) is located lantern ring (33).

7. The agricultural mower according to claim 5, wherein the inner wall of the collecting shell (3) is provided with a gravity center adjusting mechanism, the gravity center adjusting mechanism comprises a balancing weight (43), a cam (35) and a rotating shaft (21), the rotating shaft (21) is rotatably connected to one side of the collecting shell (3) far away from the cutting shell (1), one end of the rotating shaft (21) is fixedly connected with a first limiting plate (22), the rotating shaft (21) is slidably inserted and connected with a connecting plate (20), a sliding groove (23) is formed in the connecting plate (20), one end of the rotating shaft (21) is located above the sliding groove (23), two opposite sides of the rotating shaft (21) are flush structures, two flushed sides of the rotating shaft (21) are in contact with two sides of the sliding groove (23), the balancing weight (43) is arranged inside the collecting shell (3), one side of the balancing weight (43) opposite to the rotating shaft (21) is fixedly connected with a first traction rope (45), one end of the first traction rope (45) penetrates through one side of the collecting shell (3) and extends to be fixed at the bottom of the connecting plate (20), one side of the balancing weight (43) close to the rotating shaft (21) and the opposite two sides are respectively provided with an elastic part (44), the cam (35) is fixedly connected to the side face of the rotating shaft (21) in the collecting shell (3), one end of the rotating shaft (21) in the collecting shell (3) is rotatably connected with a rectangular baffle (37), the bottom of the rectangular baffle (37) is fixedly connected to the bottom of the collecting shell (3), a first torsion spring (38) is sleeved on the rotating shaft (21) between the cam (35) and the rectangular baffle (37), one side of the cam (35) close to the rectangular baffle (37) is provided with a U-shaped groove (39), the one end of first torsional spring (38) is located U type groove (39), the other end of first torsional spring (38) is located one side of rectangle baffle (37), the equal fixedly connected with connecting rod (40) in the both sides that balancing weight (43) are relative, open in bellied one side of cam (35) has draw-in groove (36), the one end of draw-in groove (36) and connecting rod (40) agrees with mutually, it has bar groove (41) all to open at the both ends that are located pivot (21) one side to collect casing (3), the equal fixedly connected with pull rod (42) in one side of connecting rod (40), pull rod (42) extend to and collect casing (3) outside from adjacent bar groove (41) respectively, it is equipped with first spring (34) to collect pivot (21) between casing (3) and connecting plate (20) and go up the cover.

8. The agricultural mower according to claim 7, wherein a rotation limiting mechanism is arranged at the bottom of the connecting plate (20), the rotation limiting mechanism comprises two rectangular rods (24), the two rectangular rods (24) are fixedly connected to two ends of the bottom of the connecting plate (20) respectively, two ends, far away from one side of the cutting shell (1), of the collecting shell (3) are fixedly connected with U-shaped connecting pieces (29), the bottom ends of the rectangular rods (24) extend to the lower side of the U-shaped connecting pieces (29) from rectangular openings of the adjacent U-shaped connecting pieces (29) respectively, the opening of each U-shaped connecting piece (29) is rotatably connected with a second limiting plate (30), and one side of each U-shaped connecting piece (29) below the second limiting plate (30) is fixedly connected with a magnetic block (31).

9. The agricultural mower according to claim 7, wherein supporting plates (49) are hinged to two sides of the cutting shell (1) and the collecting shell (3), second torsion springs (50) are mounted at the hinged positions of the supporting plates (49), one ends of the second torsion springs (50) are located on one sides of the supporting plates (49), the other ends of the second torsion springs (50) are located on one sides of the adjacent cutting shell (1) and the adjacent collecting shell (3), welding rods (53) are fixedly connected between the supporting plates (49) on the same side, auxiliary wheels (52) are rotatably connected to the bottoms of the supporting plates (49), L-shaped baffles (51) are fixedly connected to two sides of the collecting shell (3), the tops of the supporting plates (49) on two sides of the collecting shell (3) are located in the adjacent L-shaped baffles (51), rectangular grooves (48) are formed in two sides of the collecting shell (3), the intermediate position in rectangular channel (48) all articulates there is rectangular plate (47), rectangular plate (47) all are located adjacent backup pad (49) one side, two the equal fixedly connected with second haulage rope (46), two in the top of the relative one side of rectangular plate (47) second haulage rope (46) fixed connection respectively is in the relative both sides of balancing weight (43).