CN209030670U - A kind of double-arc spline saw formula grafting mulberry cropper - Google Patents

Abstract

The present utility model is related to a kind of double-arc spline saw formula grafting mulberry cropper, including whole frame, furlling part, cut portion, transport portion and height adjustment part；Whole frame is for being fixedly mounted furlling part, cut portion and transport portion；Height adjusting part quartile is in whole frame side；The utility model can be used for grafting the cut shoot of Sang Xiaji and the top clipping of grafting Sang Dongji, solve mulberry family summer cut shoot, the problem that winter top clipping uses always hammer-shears time-consuming and laborious；Cutting height is adjustable, and conveying gap is adjustable, can satisfy different mulberry family demands, a people can complete the harvest of mulberry shoot.

Description

A kind of double-arc spline saw formula grafting mulberry cropper

Technical field

The utility model relates to a kind of double-arc spline saw formulas to graft mulberry cropper, belong to agricultural machinery and equipment field.

Background technique

Managing of mulberry field mainly includes that preventing disease pest control, cut shoot top clipping, whole strain repair fist, turn over frozen soil, fertilizing and weeding, ditch cleaning reason moisture in the soil Equal a series of activities.Wherein, mulberry field cut shoot top clipping, tillage and weeding, preventing disease pest control, turn over frozen soil heavy workload, labor intensity is high, Operational instrument is single, original, operating method be still follow many years taking human as main mode, since mulberry tree forms the limitation of form With the restriction of economic development, mechanization production degree is difficult to move forward steadily always.

Managing of mulberry fields labor intensity is big, the time is long, cuts down in the summer for mulberry tree summer phase cut shoot, winter top clipping, deadwood finishing etc. Time, positive value silkworm in spring seed production and summer harvesting and sowing rural area busy season, labour is nervous, and tradition, which is cut, cuts down tool work efficiency Low, the problems such as large labor intensity, always affects the efficiency and quality that the summer is cut down, and the top clipping of winter mulberry shoot is most of or uses people Work hammer-shears or driven shearing cut cutting down, low efficiency.

Summary of the invention

To solve the above-mentioned problems, the utility model provides a kind of double-arc spline saw formula grafting mulberry cropper, this is practical new Type uses hydraulic-driven, and transmission arrangments are flexible, increases the area of harvest using double-arc spline saw.The utility model can realize grafting The mechanized harvest of mulberry, improves work efficiency.

In order to achieve the above objectives, the utility model uses following technical scheme:

A kind of double-arc spline saw formula grafts mulberry cropper, including whole frame, furlling part, cut portion, transport portion and Height adjustment part；Whole frame is for being fixedly mounted furlling part, cut portion and transport portion；Height adjusting part quartile in Whole frame side；

The whole frame is symmetrical set, and whole frame front end is symmetrically movable to be equipped with two crossbeams；Two cross Beam front end is inclined outwardly, and forms v-shaped opening；The crossbeam is hinged by hinge seat and whole frame；

The furlling part includes axis one, collapses chain, angular adjustment bar, bearing block, crossbeam and protective plate；Hinge seat One is fixed on the rack, and hinge seat two is fixed on crossbeam；Angular adjustment bar is by two movable adjusting rods to connect together Composition, minor diameter adjusting rod is movable to be sleeved on inside major diameter adjusting rod；Major diameter adjusting rod and hinge seat one are hinged, small straight Diameter adjusting rod and hinge seat two are hinged；It is correspondingly provided with the equal adjustment hole in gap on two adjusting rods, is inserted by pin shaft different Adjustment hole in, adjust angular adjustment bar length, with adjust two crossbeams between subtended angle, expand or shrink the face of gathering Product；The gathering chain is made of gathering chain two and gathering chain three；The front end of two crossbeams is respectively equipped with five He of sprocket wheel Sprocket wheel six；Axis one is vertically arranged on the whole frame of crossbeam rear end by bearing block；The top and bottom of axis one are separately connected Sprocket wheel eight and sprocket wheel seven；Sprocket wheel six is connect by collapsing chain three with sprocket wheel seven, and sprocket wheel five is by collapsing chain two and sprocket wheel eight Connection；Axis one rotates to drive and collapses chain three and collapse the rotation of chain two, collapse chain three and collapse chain two respectively by opening Tight device tensioning；It collapses chain three and collapsing chain two keeps mulberry shoot mobile to the alternating share of two circular saws；Two crossbeams Medial shaft is vertically equipped with protective plate, and mulberry shoot squeezes into sprocket wheel and chain when preventing from collapsing mulberry shoot.

Two sets of cut portions are left and right symmetrically arranged on the whole frame at furlling part rear；Cut portion described in every set Including hydraulic motor, saw blade axis and circular saw；The circular saw bit is hard alloy saw blade；Hydraulic motor is fixed on whole frame On, the output shaft and saw blade axis connection of hydraulic motor, saw blade axis are fixed on whole frame by bearing block；Saw blade axis lower end connects Circular saw is connect, hydraulic motor drives saw blade axis to rotate and then drives circular saw rotation, hands over up and down on the inside of the circular saw of the left and right sides Mistake arrangement；Each circular saw front end tilts the inclination angle with 15 ° of horizontal plane formation upwards, and divides on the circular saws inside of left and right two There is the overlapping of 5mm width, anti-leak-stopping is cut.

The transport portion includes the left transport portion and right transport portion being symmetricly set at left and right sides of whole frame； Left transport portion is as right transport portion structure；And the gap between right transport portion and left transport portion is adjustable；Described Right transport portion or left transport portion include rectangle steel, upper conveyor chain one, lower conveyor chain one, sprocket wheel three, sprocket wheel ten, sprocket wheel Eight, sprocket wheel nine, gerotor motor, axis two and axis three；Axis three and the vertical front and back of axis two are arranged in rectangle steel two sides；Rectangle steel is by upper and lower Two root longs bar steel composition disposed in parallel, and a piece vertical beam of connection is erect between two root long bar steels；The rectangle steel is integrally in " I " fonts；The upper and lower ends of axis three and axis two are separately fixed in long bar steel；Upper conveyor chain one and lower conveyor chain one are flat Row arrangement；Upper one ring set of conveyor chain is on sprocket wheel three and sprocket wheel ten；Lower one ring set of conveyor chain is on sprocket wheel eight and sprocket wheel nine； Axis two is fixed on the whole frame at circular saw rear；Sprocket wheel three is mounted on axis two, two upper end of the axis connection of three top of sprocket wheel Sprocket wheel four, sprocket wheel four are connected with sprocket wheel eight by chain；The sprocket wheel ten is mounted on axis three, and axis three is fixed on by bearing block Whole frame rear, the upper end of axis three pass through the axis connection of shaft coupling and gerotor motor, and gerotor motor rotation drives upper carrier chain The rotation of item one, upper conveyor chain rotation band movable sprocket four rotate, impart power to and collapse chain two；The lower end of axis two connects There is sprocket wheel 11, the lower end of axis three is connected with sprocket wheel nine, sprocket wheel 11 and sprocket wheel nine and connects by lower conveyor chain one；Described Regulating mechanism is additionally provided on the outside of the transport portion of left side；The regulating mechanism includes six square tubes, six square steel, vertical beam, hinge seat five, hinge Chain seat six, lead screw one and lead screw two；Six square steel is movable to be socketed in six square tubes, and six square steel connects rectangle steel；The connection of six square tubes Whole frame left end；Six square steel has four altogether, a piece six square steel of each vertical connection in the left side of upper and lower two bar shaped steel；The vertical beam Middle part fixed hinge seat five, five connection wire rod one of hinge seat；Hinge seat six is fixedly connected with whole frame, and hinge seat six connects Screw rod two, screw rod one are crossed feed screw nut with screw rod two-way and are connected, rotary screw rod nut, and six square steel can the telescopic moving in six square tubes It is integrally moved left and right to adjust left transport portion, to adjust the gap between left side transport portion and right side transport portion； The right transport portion is fixed on immovable on whole frame.

The height adjusting part point includes hydraulic cylinder, crawler body, diesel engine, hydraulic oil container, brace and lifting Pedestal；The hydraulic cylinder is fixed on the middle part of crawler body, installation diesel engine and hydraulic oil container on the left of crawler body；Diesel engine Power is provided and drives crawler body walking；The bottom of brace is fixed on the left of crawler body, and the top of brace and steel pipe are solid Fixed connection, steel pipe are fixed on the symmetrical medium line of pedestal crawler belt, and lifting pedestal is fixed on by the way that two round tubes are movable On steel pipe；Round tube is movable to be socketed in steel pipe periphery；Lifting pedestal rises or falls along steel pipe；Hydraulic cylinder is fixed on crawler belt Among rack beam on chassis, it is connect in the middle part of the piston cylinder extension end of hydraulic cylinder and lifting pedestal, hydraulic cylinder telescopic band Dynamic lifting pedestal rises or falls；The connection of the bottom of lifting pedestal and whole frame, drives rising or falling for whole frame.

The utility model has the advantages that

The utility model solves mulberry family summer cut shoot, the problem that winter top clipping uses always hammer-shears time-consuming and laborious, and And the cutting height of machine can also adjust, the difference that can satisfy mulberry family cuts a batch demand, and height adjustment device is using hydraulic, behaviour Work is easy to be laborsaving, and a people can operate the harvest that machine completes mulberry shoot.The cut portion is sawed using double-arc spline, is increased and is cut Face product, anti-leak-stopping are cut, and cutting height is adjustable, and conveying gap is adjustable, can satisfy different mulberry family demands, the utility model is not The cut shoot that can be only used for grafting Sang Xiaji can also be used for the top clipping of grafting Sang Dongji, improve work efficiency.

Detailed description of the invention

Fig. 1 is cropper overall structure figure；

Fig. 2 is ceding of Taiwan overall structure figure；

Fig. 3 is ceding of Taiwan right part structure chart；

Fig. 4 is gap adjustment structure chart on the right side of the ceding of Taiwan；

Fig. 5 is height adjusting structure figure；

In figure: 1. furlling parts, 2. cut portions, 3. whole frames, 4. transport portions, 5. height adjustment parts, 6. hinges Chain seat one, 7. angular adjustment bars, 8. hinge seats two, 9. collapse chain one, 10. chain guards, 11. bearing blocks one, 12. chains One, 13. sprocket wheels one, conveyor chain two on 14. sprocket wheels two, 15., 16. tensioning wheels, 17. gerotor motors one, 18. gerotor motors two, 19. conveyor chain one, 20. feed screw nuts, 21. sprocket wheels three, 22. sprocket wheels four, 23. chains two, 24. bearing blocks two, 25. collapse on Chain two, 26. tensioning apparatus, 27. sprocket wheels five, 28. circular saws, 29. sprocket wheels six, 30. collapse chain three, 31. sprocket wheels seven, 32. Axis one, 33. hinge seats three, 34. hinge seats four, 35. sprocket wheels eight, 36. hydraulic motors, 37, plum coupling, 38. angular contact balls Bearing block, 39. axis two, 40. bearing blocks three, 41. sprocket wheels 11,42. lower conveyor chain one, 43. sprocket wheels nine, 44. axis three, 45. Diaphragm type coupler, 46. sprocket wheels ten, 47. bearing blocks four, 48. hinge seats five, 49. screw rods one, 50. screw rods two, 51. hinge seats Six, 52. six square steels one, 53. 6 square tubes one, 54. six square steels two, 55. 6 square tubes two, 56. hand handles, 57. diesel engines, 58. hydraulic Fuel tank, 59. braces, 60. steel pipes, 61. oil cylinders, 62. lifting pedestal, 63. crawler body

Specific embodiment

The relevant technologies content that do not address below can be used or use for reference the prior art.

In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common The application protection all should belong in technical staff's every other embodiment obtained without making creative work Range.

The whole frame includes each component fixed beam being welded by rectangular hollow section and for fixing left and right sides The equal leg angle of rack.

A kind of double-arc spline saw formula grafting mulberry cropper.As shown in Figure 1, the utility model includes furlling part 1, cut portion 2, whole frame 3, transport portion 4, height adjustment part 5.As shown in Fig. 2, the furlling part 1 includes hinge seat 1, angle Adjusting rod 7, hinge seat 28 collapse chain 1, chain guard 10, collapse chain 2 25, tensioning apparatus 26, sprocket wheel 5 27, hinge Chain seat 1 is fixedly connected with whole frame, and hinge seat 28 is connected with the crossbeam that arrangement collapses chain, hinge seat 1 and hinge seat It is all connected with angular adjustment bar on two, there is mesopore on angular adjustment bar, pin shaft is inserted into different holes, and the area that front is collapsed is just It is adjustable.It collapses the tensioning of the chain degree and is just adjusted by adjusting the nut on 26 on tensioning apparatus, installing chain guard 10 additional can Sprocket wheel is squeezed into prevent last feeding item.Two sets of cut portions 2 are left and right symmetrically arranged on the whole frame 3 at furlling part rear；Often The set cut portion 2 includes hydraulic motor 36, saw blade axis and circular saw 28；Circular saw is hard alloy saw blade；Hydraulic horse It is fixed on whole frame 3 up to 36, the output shaft and saw blade axis connection of hydraulic motor 36, saw blade axis is fixed on whole by bearing block In body rack；Saw blade axis lower end clutch disk saw, hydraulic motor 36 drives saw blade axis to rotate and then circular saw 28 is driven to rotate, left Interlaced arrangement above and below 28 inside of circular saw of right two sides, and the overlapping of 5mm width is had on 28 inside of the circular saws of left and right two, Anti- leak-stopping is cut.The output shaft of hydraulic motor 36 is connect with quincunx shaft coupling 37, and angular contact ball bearing seat 38 is fixed on integrated machine On frame, saw blade axis passes through angular contact ball bearing seat 38 and connect with quincunx shaft coupling 38.The other end and hard alloy of saw blade axis Saw blade 28 is connected by anti-silk nut, can be prevented the rotation of high speed and be led to the loosening of nut；Each 28 front end of circular saw to Upper inclination forms 15 ° of inclination angle with horizontal plane, and sliding cutting is laborsaving.

As shown in Figure 3 and Figure 4, the transport portion 4 includes the left conveying being symmetricly set at left and right sides of whole frame Part and right transport portion；Left transport portion is as right transport portion structure；And between right transport portion and left transport portion Gap it is adjustable；The right transport portion or left transport portion include rectangle steel, upper conveyor chain 1, lower conveyor chain one 42, sprocket wheel 3 21, sprocket wheel 10, sprocket wheel 8 35, sprocket wheel 9 43, gerotor motor 2 18, axis 2 39 and axis 3 44；Six square steel can live Dynamic to be socketed in six square tubes, six square steel connects rectangle steel；Six square tubes connect whole frame left end；Six square steel has four altogether, up and down A piece six square steel of each vertical connection in the left side of two bar shaped steel；The middle part fixed hinge seat 5 48 of the vertical beam, hinge seat 5 48 Connection wire rod 1；Hinge seat 6 51 is fixedly connected with whole frame, 6 51 connection wire rod 2 50 of hinge seat, screw rod 1 and silk Bar 2 50 is connected by feed screw nut 20, rotary screw rod nut 20, six square steel can in six square tubes telescopic moving to adjust a left side Transport portion integrally moves left and right, and to adjust the gap between left side transport portion and right side transport portion, meets clamping mulberry shoot Different spacing requirements；The right transport portion is fixed on immovable on whole frame 3.

Upper conveyor chain 1 and upper conveyor chain 2 15 are driven by gerotor motor 1 and gerotor motor 2 18 respectively.

As shown in figure 5, caterpillar chassis 63 can be used in the utility model walking, the power of crawler body 63 is by diesel engine 57 It provides, diesel engine 57 drives hydraulic pump, and hydraulic pump is from 58 oil suction of hydraulic oil container, gerotor motor and a left side of the left and right sides for conveying Hydraulic motor of the right two sides for cutting is all connect with hydraulic pump by oil pipe, and hydraulic pump is cycloid by oil pipe output hydraulic pressure oil Motor and hydraulic motor provide power, and steel pipe 60 is fixed on the crossbeam of crawler body, the steel pipe socket socket on lifting pedestal 62 On steel pipe 60, brace 59 is used to increase the intensity of steel pipe 60；By adjusting the collapsing length of hydraulic cylinder 61, cutting is adjusted Partial height is with the top clipping for winter grafting mulberry；The middle part of the piston cylinder extension end connection lifting pedestal 62 of hydraulic cylinder 61, The stretching of the piston rod of hydraulic cylinder 61 and retraction drive the raising and lowering of lifting pedestal 62, lifting pedestal 62 by with ceding of Taiwan portion The whole frame connection divided, and then the raising and lowering of header part is driven, realize the adjusting of cutting height.

When use: crawler body is walked between two row mulberry treies, and whole frame is located on the right side of crawler body；By furlling part The face mulberry shoot to be cut adjusts the angle between two crossbeams according to the area that mulberry shoot collapses；It collapses chain three and collapses chain The alternating share that item two drives mulberry shoot to two circular saws is mobile；Cutting height as needed adjusts the height of lifting pedestal, So as to adjust the cutting-height of circular saw；After circular saw cuts mulberry shoot, rearward convey；According to cutting mulberry shoot number, adjust Spacing between whole left transport portion and right transport portion, to avoid causing to block.

The utility model solves Sang Huxia phase cut shoot, and winter top clipping uses always hammer-shears to harvest time-consuming and laborious ask Topic, and a people can operate completions, have the characteristics that structure simply, be easily installed and repair, is safe and reliable, with compared with Good practicability and promotion prospect.

The above is only the preferred embodiment of the application, is made skilled artisans appreciate that or realizing this Shen Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (6)

1. a kind of double-arc spline saw formula grafts mulberry cropper, which is characterized in that including whole frame, furlling part, cut portion, defeated Send part and height adjustment part；Whole frame is for being fixedly mounted furlling part, cut portion and transport portion；Height adjustment Part is located at whole frame side；

The whole frame is symmetrical set, symmetrical movable hinged two crossbeams in whole frame front end；Before two crossbeams End is inclined outwardly, and forms v-shaped opening；The crossbeam is hinged by hinge seat and whole frame；

The furlling part includes axis one, collapses chain, angular adjustment bar, bearing block, crossbeam and protective plate；Hinge seat one is solid It is scheduled on whole frame, hinge seat two is fixed on crossbeam；Angular adjustment bar is by two movable adjusting rods to connect together Composition, minor diameter adjusting rod is movable to be sleeved on inside major diameter adjusting rod；Major diameter adjusting rod and hinge seat one are hinged, small straight Diameter adjusting rod and hinge seat two are hinged；It is correspondingly provided with the equal adjustment hole in gap on two adjusting rods, is inserted by pin shaft different Adjustment hole in, adjust angular adjustment bar length, with adjust two crossbeams between subtended angle, expand or shrink the face of gathering Product；The gathering chain is made of gathering chain two and gathering chain three；The front end of two crossbeams is respectively equipped with five He of sprocket wheel Sprocket wheel six；Axis one is vertically arranged on the whole frame of crossbeam rear end by bearing block；The top and bottom of axis one are separately connected Sprocket wheel eight and sprocket wheel seven；Sprocket wheel six is connect by collapsing chain three with sprocket wheel seven, and sprocket wheel five is by collapsing chain two and sprocket wheel eight Connection；Axis one rotates to drive and collapses chain three and collapse the rotation of chain two, collapse chain three and collapse chain two respectively by opening Tight device tensioning；It collapses chain three and collapsing chain two keeps mulberry shoot mobile to the alternating share of two circular saws；

Two sets of cut portions are left and right symmetrically arranged on the whole frame at furlling part rear；Cut portion described in every set includes Hydraulic motor, saw blade axis and circular saw；Hydraulic motor is fixed on whole frame, and the output shaft and saw blade axis of hydraulic motor connect It connects, saw blade axis is fixed on whole frame by bearing block；Saw blade axis lower end clutch disk saw, hydraulic motor drive saw blade axis to turn Move and then drive circular saw rotation, interlaced arrangement above and below the circular saw inside of the left and right sides；

The transport portion includes the left transport portion and right transport portion being symmetricly set at left and right sides of whole frame；It is described Right transport portion is fixed on immovable on the right side of whole frame；Left transport portion is movable to be fixed on the left of whole frame；It is described Gap is adjustable between right transport portion and left transport portion；The right transport portion or left transport portion include rectangle steel, on Conveyor chain one, lower conveyor chain one, sprocket wheel three, sprocket wheel ten, sprocket wheel eight, sprocket wheel nine, gerotor motor, axis two and axis three；Axis three Rectangle steel two sides are arranged in the vertical front and back of axis two；Rectangle steel is made of upper and lower two root longs bar steel disposed in parallel, and two root longs A piece vertical beam of connection is erect between bar steel；The upper and lower ends of axis three and axis two are separately fixed in long bar steel；Upper conveyor chain one It is arranged in parallel with lower conveyor chain one；Upper one ring set of conveyor chain is on sprocket wheel three and sprocket wheel ten；Lower one ring set of conveyor chain exists On sprocket wheel eight and sprocket wheel nine；Axis two is fixed on the whole frame at circular saw rear；Sprocket wheel three is mounted on axis two, on sprocket wheel three Two upper end of axis of side connects sprocket wheel four, and sprocket wheel four is connected with sprocket wheel eight by chain；The sprocket wheel ten is mounted on axis three, axis three It is fixed on whole frame rear by bearing block, the upper end of axis three passes through the axis connection of shaft coupling and gerotor motor, gerotor motor Rotation drives the rotation of upper conveyor chain one, and upper conveyor chain rotation band movable sprocket four rotates, and imparts power to gathering chain Two；The lower end of axis two is connected with sprocket wheel 11, and the lower end of axis three is connected with sprocket wheel nine, and sprocket wheel 11 and sprocket wheel nine pass through lower conveying Chain one connects；

The height adjusting part point includes hydraulic cylinder, crawler belt base, diesel engine, hydraulic oil container, brace and lifting pedestal； The hydraulic cylinder is fixed on the middle part of crawler belt base, installation diesel engine and hydraulic oil container on the left of crawler belt base；After crawler belt base Hand handle is connected at left and right sides of portion；The bottom of brace is fixed on the left of crawler belt base, the top of brace and the fixed company of steel pipe It connects, steel pipe is fixed on the symmetrical medium line of pedestal crawler belt, and lifting pedestal is fixed on steel pipe by the way that two round tubes are movable On；Round tube is movable to be socketed in steel pipe periphery；Lifting pedestal rises or falls along steel pipe；Hydraulic cylinder is fixed on crawler body On rack beam among, connect in the middle part of the piston cylinder extension end of hydraulic cylinder and lifting pedestal, hydraulic cylinder is flexible to be driven liter Drop pedestal rises or falls；The connection of the bottom of lifting pedestal and whole frame, drives rising or falling for whole frame.

2. a kind of double-arc spline saw formula as described in claim 1 grafts mulberry cropper, which is characterized in that the left side delivery section Exceptionally side is additionally provided with regulating mechanism；The regulating mechanism includes six square tubes, six square steel, vertical beam, hinge seat five, hinge seat six, silk Thick stick one and lead screw two；Six square steel is movable to be socketed in six square tubes: six square steel connects rectangle steel；Six square tubes connect integrated machine stand Left end；Six square steel has four altogether, a piece six square steel of each vertical connection in the left side of upper and lower two bar shaped steel；The middle part of the vertical beam is solid Determine hinge seat five, five connection wire rod one of hinge seat；Hinge seat six is fixedly connected with whole frame, six connection wire rod two of hinge seat, Screw rod one is crossed feed screw nut with screw rod two-way and is connected, rotary screw rod nut, and six square steel telescopic moving in six square tubes drives left defeated Part is sent integrally to move left and right, to adjust the gap between left side transport portion and right side transport portion.

3. a kind of double-arc spline saw formula as described in claim 1 grafts mulberry cropper, which is characterized in that each circular saw front end to Upper inclination forms 15 ° of inclination angle with horizontal plane, and the overlapping of 5mm width is had on the circular saw inside of left and right two.

4. a kind of double-arc spline saw formula as described in claim 1 grafts mulberry cropper, which is characterized in that the circular saw bit is hard Matter alloy saw blade.

5. a kind of double-arc spline saw formula as described in claim 1 grafts mulberry cropper, which is characterized in that the rectangle steel is integrally in " I " fonts.

6. a kind of double-arc spline saw formula as described in claim 1 grafts mulberry cropper, which is characterized in that the medial shaft of two crossbeams It is vertically equipped with protective plate, mulberry shoot squeezes into sprocket wheel and chain when preventing from collapsing mulberry shoot.