CN209949938U

CN209949938U - Cutting device for stubble cutting machine

Info

Publication number: CN209949938U
Application number: CN201920620421.2U
Authority: CN
Inventors: 李奕; 桂晨晨; 王金鹏; 杨凯; 周宏平; 许林云
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2019-05-01
Filing date: 2019-05-01
Publication date: 2020-01-17
Anticipated expiration: 2029-05-01

Abstract

The utility model discloses a cutting device for stumping machine, which comprises a frame, baffle before the curved surface plough body, the circular saw blade, driving motor, conveyor, hydraulic pressure elevating gear and walking wheel, install conveyor and driving motor in the frame, driving motor passes through the gear train and is connected with the circular saw blade, the frame front end is stretched out to the front end of circular saw blade, driving motor passes through the gear train and is connected with conveyor, the both sides bottom of frame all is connected with the walking wheel through hydraulic pressure elevating gear, the front end both sides of frame all are connected with baffle before the curved surface plough body, the circular saw blade is located between two curved surface plough body front baffles. The utility model uses the single circular saw blade to replace the double circular saw blade, thereby saving the cost; the branches are not easy to be blocked; the cutting device is suitable for cutting shrubs at various growth angles; the device has the function of conveying the cut branches to the same side edge, facilitates subsequent collection, and is low in labor intensity; the height of the machine frame can be adjusted according to the height of the field, and the machine frame is suitable for uneven deserts.

Description

Cutting device for stubble cutting machine

Technical Field

The utility model relates to a farming and animal husbandry machinery, concretely relates to a cutting device for stumping machine.

Background

According to the requirements of wind prevention, sand fixation and ecological environment protection construction in Ordos areas and northern Shaanxi areas, rotation stubble is carried out once every 4 years for cutting and irrigating salix mongolica, caragana microphylla and the like, and the existing cutting and irrigating machines are more in types, for example: the wheel type shrub harvester can only operate on flat ground, is not suitable for uneven desert, and has more shrubs growing on sand dunes in the desert; the manual labor intensity of the backpack brush cutter is high, and the shrub branches cut down are scattered on the ground and are difficult to collect; the crawler-type bush stumping machine adopts double circular saw blades, the resource utilization rate is low, branches are easy to block, the machine cannot work normally, and in addition, the crawler-type bush stumping machine can only cut bushes within a specific growth angle range, so that many bushes are withered and dry due to the problems, and the development of ecological protection vegetation is limited.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a cutting device for a stubble leveling machine aiming at the defects of the prior art, the cutting device for the stubble leveling machine uses a single circular saw blade to replace a double circular saw blade, thereby saving the cost; the branches are not easy to be blocked; the cutting device is suitable for cutting shrubs at various growth angles; the device has the function of conveying the cut branches to the same side edge, facilitates subsequent collection, and is low in labor intensity; the height of the machine frame can be adjusted according to the height of the field, and the machine frame is suitable for uneven deserts.

In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:

the utility model provides a cutting device for stumping machine, baffle, circular saw blade, driving motor, conveyor, hydraulic pressure elevating gear and walking wheel before frame, curved surface plough body, conveyor and driving motor are installed to the frame top, driving motor is connected through gear train and circular saw blade and driving motor is used for driving the circular saw blade rotatory, stretch out the front end of circular saw blade the frame front end, thereby driving motor is connected through gear train and conveyor and driving motor is used for driving conveyor and makes the branch that conveyor will cut off carry the frame side, the both sides bottom of frame all is connected with the walking wheel through hydraulic pressure elevating gear, the front end both sides of frame all are connected with curved surface plough body front baffle and two curved surface plough body front baffle symmetry settings, the front end of circular saw blade is located between two curved surface plough body front baffles.

As the utility model discloses further modified technical scheme, baffle before the curved surface plough body includes preceding curved surface board and back curved surface board, preceding curved surface board and back curved surface board interconnect structure as an organic whole, the preceding tip of preceding curved surface board is equipped with the fillet, the surface of preceding curved surface board reduces by curved surface front end to curved surface rear end for the contained angle of curved surface and this curved surface and horizontal plane gradually, the surface of back curved surface board is less than the curved surface of preceding curved surface board and the contained angle of horizontal plane for the contained angle of curved surface and this curved surface and horizontal plane.

As the utility model discloses further modified technical scheme, conveyor includes track, delivery wheel and rotation axis, frame top swivelling joint has two rotation axes, and a rotation axis is located the left rear of another rotation axis, and the equal fixedly connected with delivery wheel in the well upper portion of two rotation axes, and the delivery wheel of an epaxial delivery wheel of rotation passes through the track with another epaxial delivery wheel of rotation and is connected, thereby a rotation axis passes through the gear train with driving motor and is connected and driving motor is used for making the track motion through the gear train drive rotation axis rotation.

As the utility model discloses further modified technical scheme, baffle before still fixedly connected with in the frame, preceding baffle is located the dead ahead of two rotation axes, the top of preceding baffle is a little higher than the bottom of track.

As a further improved technical scheme of the utility model, the breach that makes the branch that conveyor will cut off carry the frame left side limit is seted up in the frame left side, the breach is located preceding baffle left end the place ahead.

As the utility model discloses further modified technical scheme, the saw blade is located the below of frame, swivelling joint has the drive shaft in the frame, the bottom of drive shaft is stretched out and is connected with the saw blade middle part from the bottom of frame, thereby the top of drive shaft and driving motor pass through the gear train and be connected and driving motor is used for making the saw blade rotate through the gear train drive shaft rotation.

As the utility model discloses further modified technical scheme, the gear train includes gear one, gear two, gear three and gear four, driving motor's output shaft and gear one are connected, gear one and the meshing of gear two, gear two simultaneously and gear three and the meshing of gear four, gear three and a rotation axis fixed connection and gear three are under the delivery wheel, gear four and drive shaft top fixed connection, gear two passes through gear shaft and frame swivelling joint.

As the utility model discloses further modified technical scheme, the both sides bottom of frame all is connected with hydraulic pressure elevating gear, and hydraulic pressure elevating gear's actuating lever passes through shaft and walking wheel swivelling joint.

As the utility model discloses further modified technical scheme, hydraulic pressure elevating gear adopts the pneumatic cylinder, the piston rod and the shaft one end of pneumatic cylinder are connected, the other end and the walking wheel swivelling joint of shaft.

As a further improved technical scheme of the utility model, the back end connection of frame has connecting device, connecting device is used for being connected with the dolly.

The utility model has the advantages that:

(1) the utility model discloses use single circular saw blade can be better utilize the circular saw blade, resource utilization is high, reduces two circular saw blades among the prior art into a circular saw blade, can save the cost, and single circular saw blade enables to be moved to limit portion by the plant nature of cutting off in addition, is convenient for subsequent transportation and stacks, and the joint use of baffle before single circular saw blade and the curved surface plow body can not cause card branch phenomenon.

(2) The utility model discloses the branch that well was cut down can be along with the motion of conveyor's track and move, and the branch that can cut off at last is transported to the left side limit of frame subaerially through the breach, consequently has and stacks the branch in the subaerial function of frame left side limit in unison, compares with scattered subaerial branch and more makes things convenient for follow-up collection, reduces artifical intensity of labour.

(3) The utility model discloses baffle before frame front end adds two curved surface plough bodies, the bush that can only cut specific growth angle within range before being different from crawler-type bush stumping machine, after having added, the cutting range has been enlarged, and the two three-dimensional curved surfaces of preceding curved surface board and back curved surface board can effectually be right the bush of lodging on one side and then send into the interior cutting of circular saw, are applicable to the bush cutting of multiple growth angle.

(4) The utility model discloses can adjust hydraulic pressure elevating gear according to the undulation height situation in field to adjust the frame apart from the ground height, make the highly undulation height that is applicable to the field of frame, thereby make the stumping machine be in best working distance, be applicable to the desert of unevenness.

(5) The utility model uses the track to cover the conveying wheel in the conveying device, compared with the prior chain type conveying device, the track can effectively prevent the branch inserting mechanism from causing congestion after being added, so that the machine can not operate and the life safety of the operating personnel can be guaranteed; and the front baffle is arranged to effectively prevent branches from being inserted into the mechanism from the lower part of the crawler.

Drawings

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

Fig. 2 is a top view of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is the schematic structural diagram of the hidden front baffle and the crawler of the present invention.

Fig. 5 is a top view of the hidden front apron and crawler according to the present invention.

Fig. 6 is a front view of the present invention hiding the front apron and the track.

Detailed Description

The following further description of embodiments of the present invention is made with reference to fig. 1 to 6:

referring to fig. 1, a cutting device for a stubble leveling machine comprises a frame 1, a curved surface plow body front baffle 2, a circular saw blade 3, a driving motor 4, a conveying device 5, a hydraulic lifting device 6 and traveling wheels 7, wherein the frame 1 is provided with the conveying device 5 and the driving motor 4, the driving motor 4 is connected with the circular saw blade 3 through a gear set and is used for driving the circular saw blade 3 to rotate, the front end of the circular saw blade 3 extends out of the front end of the frame 1, the driving motor 4 is connected with the conveying device 5 through the gear set and is used for driving the conveying device 5 so that the conveying device 5 conveys cut branches to the left side edge of the frame 1, the bottoms of two sides of the frame 1 are both connected with the traveling wheels 7 through the hydraulic lifting device 6, both sides of the front end of the frame 1 are both connected with the curved surface plow body front baffle 2 and the two curved surface plow body front baffles 2 are symmetrically arranged, the front end of the circular saw blade 3 is positioned between the front baffle plates 1 of the two curved plough bodies.

In the embodiment, referring to fig. 1 and 2, the front baffle 2 of the curved plow body comprises a front curved plate 2-1 and a rear curved plate 2-2, the front curved plate 2-1 and the rear curved plate 2-2 are connected into an integral structure, a round angle 2-1-1 is arranged at the front end of the front curved plate 2-1, the outer surface of the front curved plate 2-1 facing the middle of the rack 1 is a curved surface, the included angle between the curved surface and the horizontal plane is gradually reduced from the front end of the curved surface to the rear end of the curved surface, the outer surface of the rear curved plate 2-2 is a curved surface, and the included angle between the curved surface and the horizontal plane is smaller than the included angle between the curved surface of the front curved plate 2-1 and the horizontal.

The front baffle 2 of the curved plow body has the functions of supporting lodging shrub plants and guiding the plants to gather together towards the middle. The front end fillet 2-1-1 of the front curved plate 2-1 can reduce the transverse contact area of the curved surface and the plant to the maximum extent on one hand, and avoid the problem that the plant is directly shoveled by the front baffle 2 of the curved surface plough body to influence the advancing of the machine, on the other hand, the small transverse contact area can gather the plant between the front baffles 2 of the two curved surface plough bodies more efficiently, so that the operation of other mechanisms behind is facilitated, the plant outside the fillet 2-1-1 can isolate the plant and shift the plant to the outer side of the machine, and the defects that the mechanism inclines to influence the operation and the like caused by the machine rolling the plant are avoided.

The curved surface behind the rounded corner 2-1-1 of the front curved panel 2-1 (i.e. the curved surface of the front curved panel 2-1) mainly supports plants which are inclined at a certain angle with the horizontal plane and at two sides, and the curved surface has a larger obtuse angle with the ground, so that the curved surface is more important for supporting plants which are as many as possible lodged compared with the curved surface of the rear curved panel 2-2. The design that the angle of the curved surface of the front curved panel 2-1 gradually becomes steep enables the plant to stand slowly, otherwise the stand of the subsequent plant is influenced because the branches of the plant are hung at the side end of the curved surface due to the too fast speed.

The steeper curved surface at the rearmost end of the whole body of the front baffle 2 of the curved plough body, namely the curved surface of the rear curved plate 2-2, is more important to straighten the branches than the curved surface of the front curved plate 2-1, so that the branches can be conveniently conveyed by the crawler 5-1 of the rear conveying device 5, and the branches of the plants can be gathered towards the middle further, so that the cutting operation of the circular saw blade 3 is facilitated.

In this embodiment, referring to fig. 1, the conveying device 5 includes a crawler belt 5-1, conveying wheels 5-2 and rotating shafts 5-3, two rotating shafts 5-3 (shown in fig. 4) are rotatably connected to the frame 1, one rotating shaft 5-3 is located at the left rear of the other rotating shaft 5-3, two conveying wheels 5-2 are fixedly connected to the middle upper portions of the two rotating shafts 5-3, the conveying wheel 5-2 on one rotating shaft 5-3 is connected to the conveying wheel 5-2 on the other rotating shaft 5-3 through the crawler belt 5-1, one rotating shaft 5-3 is connected to the driving motor 4 through a gear set, and the driving motor 4 is used for driving the rotating shaft 5-3 to rotate through the gear set so as to move the crawler belt 5-1.

In this embodiment, the frame 1 is further fixedly connected with a front baffle 8, as shown in fig. 1 and 2, the front baffle 8 is located right in front of the two rotating shafts 5-3, and the top of the front baffle 8 is slightly higher than the bottom of the crawler 5-1.

In this embodiment, referring to fig. 1, a notch 9 is formed in the left side of the frame 1, and the cut branches are conveyed to the left side of the frame 1 by the conveying device 5, and the notch 9 is located in front of the left end of the front baffle 8. The cut branches are conveyed to the ground on the left side of the frame 1 through the gap 9.

In the present embodiment, referring to fig. 3 and 5, the circular saw blade 3 is located below the frame 1, the frame 1 is rotatably connected with a driving shaft 10, the bottom end of the driving shaft 10 extends from the bottom of the frame 1 and is connected with the middle of the circular saw blade 3, the top end of the driving shaft 10 is connected with the driving motor 4 through a gear set, and the driving motor 4 is used for driving the driving shaft 10 to rotate through the gear set so as to rotate the circular saw blade 3.

In the embodiment, referring to fig. 4, 5 and 6, the gear set includes a first gear 11, a second gear 12, a third gear 13 and a fourth gear 14, the housing of the driving motor 4 is fixedly connected to the frame 1, the output shaft of the driving motor 4 is connected to the first gear 11, the first gear 11 is rotatably connected to the frame 1, the first gear 11 is meshed with the second gear 12, the second gear 12 is simultaneously meshed with the third gear 13 and the fourth gear 14, the third gear 13 is fixedly connected to a rotating shaft 5-3 located at the right front, the third gear 13 is located right below the conveying wheel 5-2, the fourth gear 14 is fixedly connected to the top of the driving shaft 10, and the second gear 12 is rotatably connected to the frame 1 through a gear shaft 15. When the driving motor 4 of the embodiment is operated, the first driving gear 11 rotates, the first driving gear 11 simultaneously drives the third driving gear 13 and the fourth driving gear 14 to rotate through the second driving gear 12, the third driving gear 13 rotates the rotating shaft 5-3 to move the crawler belt 5-1, and the fourth driving gear 14 rotates the circular saw blade 3 through the driving shaft 10.

In this embodiment, referring to fig. 6, the bottom parts of both sides of the frame 1 are connected with hydraulic lifting devices 6, and the hydraulic lifting devices 6 are rotatably connected with the road wheels 7 through wheel shafts 16. The hydraulic lifting device 6 adopts a hydraulic cylinder, a piston rod of the hydraulic cylinder is connected with one end of a wheel shaft 16, and the other end of the wheel shaft 16 is rotatably connected with the travelling wheel 7. The extension length of a piston rod of the hydraulic lifting device 6 is adjusted, so that the height of the machine frame 1 from the ground is adjusted.

In this embodiment, referring to fig. 1, the rear end of the frame 1 is connected to a connecting device 17 (such as a connecting rod), the connecting device 17 is used for connecting with a trolley, and the trolley is a crawler-type walking trolley.

In the working process of the embodiment, the cutting device and the crawler-type traveling trolley are connected together by the connecting device 8 (such as a connecting rod), and when the cutting device is put down to a shrub planting area such as caragana microphylla for operation, the hydraulic lifting device 6 can be adjusted according to the height of the field, so that the height of the frame 1 is suitable for the height of the field, and the stubble leveling machine is in the optimal working distance. During operation, the cutting device is driven to move to the front of a shrub plant through the crawler type walking trolley, when the cutting device is pushed forwards, the curved-surface plow body front baffle 2 at the front end can lift up the plant lodged on the two sides, the rod part of the plant is just opposite to the circular saw blade 3, the branch of the plant is convenient to cut, after the branch is cut, the branch moves backwards relative to the cutting device, moves along with the movement of the crawler 5-1 after contacting the crawler 5-1 of the conveying device 5, and is finally conveyed to the ground on the left side edge of the rack 1 through the notch 9. Thus, the entire working process is completed. The rotating direction of the circular saw blade 3 of the embodiment is shown by an arrow in fig. 1, and the moving direction of the crawler 5-1 of the conveying device 5 is shown by an arrow in fig. 1, so that the plants can be conveniently conveyed to the ground on the left side of the frame 1.

The single circular saw blade is used in the embodiment, the circular saw blade can be better utilized, the resource utilization rate is high, two circular saw blades in the prior art are reduced into one circular saw blade, the cost can be saved, the single circular saw blade can enable a cut plant to naturally move towards the edge part, the subsequent transportation and stacking are convenient, and the single circular saw blade is combined with the front baffle 2 of the curved surface plow body, so that the branch clamping phenomenon cannot be caused; the cut branches move along with the movement of the crawler 5-1 of the conveying device 5, and finally the cut branches can be conveyed to the ground on the left side of the rack 1 through the gap 9, so that the function of uniformly stacking the branches on the ground on the left side of the rack 1 is achieved, the subsequent collection is more convenient compared with the branches scattered on the ground, and the labor intensity is reduced; the front end is added with two curved-surface plow body front baffles 2, which is different from the prior crawler-type bush stumping machine that only can cut bushes within a specific growth angle range, after the addition, the cutting range is expanded, and the double three-dimensional curved surfaces of the front curved surface plate 2-1 and the rear curved surface plate 2-2 can effectively centralize bush plants which are fallen on one side and then send the bush plants into the circular saw blade 3 for cutting; compared with the existing chain type conveying device, the conveying device has the advantages that the conveying device is internally provided with the crawler 5-1 to cover the conveying wheels 5-2, and the crawler 5-1 is added to effectively prevent the branch inserting mechanism from being blocked, so that the machine cannot operate and the life safety of operators is guaranteed; and the front baffle 8 also effectively prevents branches from being inserted into the mechanism from the lower part of the crawler 5-1.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims

1. The cutting device for the stubble leveling machine is characterized by comprising a rack (1), a curved surface plough body front baffle (2), a circular saw blade (3), a driving motor (4), a conveying device (5), a hydraulic lifting device (6) and walking wheels (7), wherein the conveying device (5) and the driving motor (4) are installed above the rack (1), the driving motor (4) is connected with the circular saw blade (3) through a gear set and the driving motor (4) is used for driving the circular saw blade (3) to rotate, the front end of the circular saw blade (3) extends out of the front end of the rack (1), the driving motor (4) is connected with the conveying device (5) through the gear set and the driving motor (4) is used for driving the conveying device (5) to convey cut branches to the side edge of the rack (1), the bottom of two sides of the rack (1) is connected with the walking wheels (7) through the hydraulic lifting device (6), the front end both sides of frame (1) all are connected with baffle (2) and two curved surface plough body preceding baffle (2) symmetry settings before the curved surface plough body, the front end of circular saw blade (3) is located between baffle (2) before two curved surface plough bodies.

2. The cutting device for the stubble cutting machine according to claim 1, wherein the curved plow body front baffle (2) comprises a front curved panel (2-1) and a rear curved panel (2-2), the front curved panel (2-1) and the rear curved panel (2-2) are connected into a whole, the front end of the front curved panel (2-1) is provided with a round angle (2-1-1), the outer surface of the front curved panel (2-1) is a curved surface, the included angle between the curved surface and the horizontal plane is gradually reduced from the front end of the curved surface to the rear end of the curved surface, the outer surface of the rear curved panel (2-2) is a curved surface, and the included angle between the curved surface and the horizontal plane is smaller than that between the curved surface of the front curved panel (2-1) and the horizontal plane.

3. The cutting device for the stubble cutting machine according to claim 1, wherein the conveying device (5) comprises a crawler belt (5-1), conveying wheels (5-2) and rotating shafts (5-3), two rotating shafts (5-3) are rotatably connected above the frame (1), one rotating shaft (5-3) is positioned at the left rear side of the other rotating shaft (5-3), the conveying wheels (5-2) are fixedly connected to the middle upper parts of the two rotating shafts (5-3), the conveying wheel (5-2) on one rotating shaft (5-3) is connected with the conveying wheel (5-2) on the other rotating shaft (5-3) through the crawler belt (5-1), one rotating shaft (5-3) is connected with the driving motor (4) through a gear set, and the driving motor (4) is used for driving the rotating shafts (5-3) to rotate through the gear set so as to enable the crawler belt (5-1) to rotate And (5-1) moving.

4. A cutting device for stubble ploughing machines according to claim 3, characterized in that a front apron (8) is also fixedly connected to the frame (1), said front apron (8) being located directly in front of the two rotation axes (5-3), the top of said front apron (8) being higher than the bottom of the caterpillar (5-1).

5. The cutting device for the stubble cutting machine according to claim 4, characterized in that a notch (9) for the conveying device (5) to convey the cut branches to the left side of the frame (1) is formed in the left side of the frame (1), and the notch (9) is positioned in front of the left end of the front baffle (8).

6. A cutting device for a stubble cutting machine according to claim 3, characterized in that said circular saw blade (3) is located below the frame (1), a drive shaft (10) is rotatably connected to said frame (1), the bottom end of said drive shaft (10) extends from the bottom of said frame (1) and is connected to the middle of said circular saw blade (3), the top end of said drive shaft (10) is connected to the drive motor (4) via a gear train and said drive motor (4) is adapted to rotate said drive shaft (10) via said gear train to rotate said circular saw blade (3).

7. The cutting device for the stubble cutting machine according to claim 6, characterized in that the gear set comprises a first gear (11), a second gear (12), a third gear (13) and a fourth gear (14), the output shaft of the driving motor (4) is connected with the first gear (11), the first gear (11) is meshed with the second gear (12), the second gear (12) is simultaneously meshed with the third gear (13) and the fourth gear (14), the third gear (13) is fixedly connected with a rotating shaft (5-3), the third gear (13) is positioned right below the conveying wheel (5-2), the fourth gear (14) is fixedly connected with the top of the driving shaft (10), and the second gear (12) is rotatably connected with the frame (1) through a gear shaft (15).

8. The cutting device for the stubble cutting machine according to claim 1, characterized in that the bottom parts of the two sides of the frame (1) are connected with hydraulic lifting devices (6), and the driving rods of the hydraulic lifting devices (6) are rotatably connected with the travelling wheels (7) through wheel shafts (16).

9. The cutting device for the stubble cutting machine according to claim 7, characterized in that the hydraulic lifting device (6) adopts a hydraulic cylinder, a piston rod of the hydraulic cylinder is connected with one end of the wheel shaft (16), and the other end of the wheel shaft (16) is rotatably connected with the travelling wheel (7).

10. Cutting device for stubble ploughing machines according to claim 1, characterised in that the frame (1) has a connection device (17) connected to its rear end, said connection device (17) being intended to be connected to a trolley.