CN106857010A - A kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device - Google Patents

A kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device Download PDF

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Publication number
CN106857010A
CN106857010A CN201710107839.9A CN201710107839A CN106857010A CN 106857010 A CN106857010 A CN 106857010A CN 201710107839 A CN201710107839 A CN 201710107839A CN 106857010 A CN106857010 A CN 106857010A
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CN
China
Prior art keywords
handle
band girdle
latch plate
spring
longan
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Pending
Application number
CN201710107839.9A
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Chinese (zh)
Inventor
张承新
郭志东
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Shandong University of Technology
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Shandong University of Technology
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Filing date
Publication date
Application filed by Shandong University of Technology filed Critical Shandong University of Technology
Priority to CN201710107839.9A priority Critical patent/CN106857010A/en
Publication of CN106857010A publication Critical patent/CN106857010A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00Cutting implements specially adapted for horticultural purposes; Delimbing standing trees

Abstract

The present invention provides a kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device,Including handle,Spring,Rotating shaft,Latch plate,Fixed circle and DC micromotor,Spring is fixedly mounted on handle,Spring is extension spring,During operation,Latch plate is clamped on the branch of longan,In case being rotated with Girding cutter,Handle is divided into two parts,Fixed circle is arranged on handle,Two parts of fixed circle snap together into a full circle,Handle opening and closing,Fixed circle and latch plate are also servo-actuated opening and closing,Fixed circle is provided with groove,Roll in roller insertion groove and in a groove,Centre bore of the joining beam through roller,Roller does circular-rotation,Joining beam links together two longan girdling devices,Band girdle handle is fixed on joining beam,One end of band girdle handle is provided with Girding cutter,The other end is provided with yoke plate,Under human assistance,Girding cutter is with handle and joining beam fixing point as the center of circle,Band girdle is carried out to longan as radius is circled with fixing point to the point of a knife of Girding cutter.

Description

A kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device
Technical field
The present invention relates to a kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device, belong to machinery Technology is led.
Background technology
The general principle that longan limb spiral ring-barking, the girdling control winter tip promote flower be reduce the photosynthate in plant above ground portion to Root is transported, and suppresses root growth, slows down nutrient growth and winter tip pumping, increases the accumulation of branch carbohydrate, is result The bud differentiation of female branch and offer more fully nutriment of yielding positive results, longan have obvious biennial bearing, or even every year nonpregnant, Biennial fruiting can be overcome by taking technologies of orbicular decorticating, longan has an obvious biennial bearing, or even not result every year, by taking Technologies of orbicular decorticating can overcome biennial fruiting, be got bumper crops year after year, and longan band girdle controlling the treetops and hastening blossom is beared fruit technology, be exactly in longan most After the autumn growth maturation of end one time, the treatment technology of spiral band girdle is carried out to trunk or major branch, to promote bud differentiation, so as to carry Next year abloom rate high, not only female flower ratio is high after band girdle, Hua Zhihao, moreover it is possible to increases female flower and opens batch, extend pollination period, improves Fruit-setting rate, additionally, band girdle can also delaying anthesis, circumvent early spring low temperature overcast and rainy day cold damage, be conducive to the florescence to pollinate, reduce young fruit lose Educate, longan also wants band girdle except trunk band girdle, the annual necessary band girdle of each side shoot, the branch grown on side shoot, each side shoot Growth angle is not only identical, and the spacing between side shoot is small, and the radius of gyration is small, and patent of invention 201410485285.2 uses gasoline engine The motor of drive, volume is larger, and the radius of gyration is big, and the angle of inclination of Girding cutter is revolved around the shaft by rotary oil cylinder telescopic band moving platform Turn to realize, can only realize that a face rotation is inclined, it is impossible to which rotation is inclined while realizing space multiple face, has very big using scope Limitation, the trunk band girdle of longan is suitable only for, additionally, the kerf width scope of the band girdle branch of longan is at 1.0~3.0 lis Rice, at 0.2~0.5 centimetre, otch is concordant, and bast contains more wood fibre, and Girding cutter is in ring for notch depth scope At stripping during band girdle, there is no clamping device, the bast tear that will be closed at band girdle causes band girdle area excessive, the band girdle of longan Place is difficult healing, and nutrient conveying is obstructed, and influences growth and the percentage of fertile fruit of longan.
The content of the invention
A kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device, under spring force, Latch plate clamps the branch of longan, and with the change of the longan branch diameter of clamping, latch plate occurs elastic deformation, realizes becoming Footpath clamps, and only to the longan bast band girdle in clamping, will not produce and tear, revolution are produced to the bast beyond band girdle position Radius is small, is adapted to the band girdle of the longan branch of differing tilt angles, and compact volume and convenience is flexible, efficiency high, strong adaptability, band girdle handle Periphery of the support wheel of upper setting at longan band girdle branch is rolled, and is played a supportive role, and makes the band girdle angle of Girding cutter constant, Spring is set in band girdle handle and joining beam fixed point, the Girding cutter to being set on band girdle handle applies constant pressure, in case band girdle Knife is beated in band girdle, it is ensured that ring-peeling depth is consistent, and the clutch end of DC micromotor is provided with belt pulley, by belt band The belt wheel that skin is set on dynamic joining beam is rotated, and then drives roller to rotate, and Girding cutter is servo-actuated.
Its technical scheme is:A kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device, including Handle, spring, rotating shaft, latch plate, fixed circle and DC micromotor, fixedly mount spring on handle, and spring is extension spring, operation When, be securely seated between latch plate on the branch of longan by the active force of spring, in case being rotated with Girding cutter, handle is divided into two Part, fixed circle and latch plate are arranged on handle, and fixed circle and latch plate are divided into two parts, and two parts of fixed circle are snapped together Into a full circle, the servo-actuated opening and closing of fenestra are determined in handle opening and closing, and fixed circle is provided with groove, in roller insertion groove And roll in a groove, through the centre bore of roller, roller does circular-rotation to joining beam in a groove, and joining beam is by two longan band girdles Device is linked together, and band girdle handle is fixed on joining beam, and one end of band girdle handle is provided with Girding cutter, and the other end is provided with yoke plate, artificial Under auxiliary, Girding cutter is made circumference and is transported to the point of a knife of Girding cutter with band girdle handle and joining beam fixing point as the center of circle, with fixing point as radius It is dynamic that band girdle is carried out to longan, to be fixed due to the center of circle, radius determines, the movement locus of Girding cutter is a circle for the closing that overlaps, In 1.0~3.0 centimetres, the diameter of the branch of longan is approximately considered uniformity to width range, and manual other forms is non- Centering, the non-girdling device for determining radius, movement locus is broken line, it is impossible to form the circle of closing, and handle is divided into two parts, handle Rotating shaft is provided with, be linked together for two parts of handle by rotating shaft, under spring force, handle two parts closure, outside In the presence of power, the pulling force that spring is fixedly mounted on handle, two parts of handle is overcome reversely to rotate around the axis, fixed round and spring Plate two parts open, and angle becomes big, is moved at the longan branch of band girdle, and external force is removed, and latch plate clamps the branch of longan, As the change of the longan branch diameter of clamping, latch plate occur elastic deformation, realize that reducing is clamped, in latch plate and longan branch The clamping face of bar is provided with rough groove, increasing friction force, in case being rotated with Girding cutter, the spring set on handle Pulling force effect under, two parts of fixed circle snap together into a full circle.
External force is removed, and under the pulling force effect of the spring set on handle, latch plate clamps the branch of longan, in case Grip block is servo-actuated when Girding cutter rotates, and latch plate clamps the branch of longan, only to the tough of the longan between the tight block of two latch plates Skin zone's band girdle, otch is neat at band girdle, and the bast of the longan beyond band girdle will not be torn, and otherwise, band girdle width increases, shadow The supply of the healing nutrient at band girdle is rung, causing the percentage of fertile fruit of longan reduces.
A kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device, can adapt to different inclination angle The clamping of the longan branch of degree, small volume, lightweight, easy to operate, band girdle efficiency high, handle is short, and the radius of gyration is small, and invents Patent 201410485285.2 uses gasoline engine drive motor, and motor driven gear, volume is big, and the radius of gyration is big, Girding cutter Angle of inclination rotates realization around the shaft by rotary oil cylinder telescopic band moving platform, can only realize that a face rotation is inclined, it is impossible to realize Rotated while the multiple face of space, the radius of gyration is big, is only applicable to the trunk band girdle of longan, the lifting of oil cylinder, it is impossible to which adjustment is empty Between on angle of inclination, bad adaptability, secondly, without latch plate clamping device, easily by the longan bast tear beyond at band girdle, Make band girdle area excessive, influence the healing of the wound of longan, influence nutrient conveying, percentage of fertile fruit reduction again, to install, adjust, tear open Unload inconvenience.
Band girdle handle is provided with fulcrum, i.e. band girdle handle and joining beam fixed point, and power is acted on band girdle handle, is also a kind of thick stick Bar, can both apply pulling force, it is also possible to apply pressure to band girdle handle, can adjust the ring-peeling depth of Girding cutter, longan branch Growth year is different, and the depth of band girdle is different, and the bast of band girdle longan during band girdle, it is impossible to band girdle xylem is damaged wooden Portion, influences the conduction of moisture, causes longan to absorb moisture and dead, and applying pressure can change the ring-peeling depth of Girding cutter, And the mechanical rigid of patent of invention 201410485285.2 connection, it is necessary to carry out multi-change speed, slow down, complex structure, without from Dynamic regulatory function, band girdle only to bast band girdle, forming layer and xylem is not damaged on request, and the otch of longan band girdle branch is wide Degree scope is at 1.0~3.0 centimetres, and notch depth scope is strict to press band girdle width and depth standards implementation at 0.2~0.5 centimetre.
Described a kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device, in handle and joining beam Fixed point sets spring, and spring is torsion spring, and the Girding cutter to being set on handle applies constant pressure, in case Girding cutter is in ring Beated during stripping, ring-peeling depth is consistent, it is ensured that band girdle quality.
A kind of described human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device, band girdle handle upper connective plate Manhole is provided with, bar one end is connected with support wheel, the other end is connected through spring with the manhole set on yoke plate, ring The surface scrolls of longan branch of the support wheel at band girdle during stripping, support wheel has position-limiting action, and support wheel runs Girding cutter Steadily, spring has the function of support and profiling.
A kind of described human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device, band girdle handle is provided with DC micromotor, the clutch end of DC micromotor is provided with belt pulley, by the band that skin is set on belt drive joining beam Wheel is rotated, and then drives roller to rotate, and Girding cutter is servo-actuated.
Band girdle kind of blooming period prolonging, it is to avoid because rainy season causes the pollination rate to reduce, extends pollination period, improves the allocation proportion of nutrient, Percentage of fertile fruit is improved, extends storage time, using spiral ring-barking, the width of band girdle is 2.5~3.0 centimetres, and 10 centimetres of pitch makes low Longan precocity fruiting, high yield, the high-quality of age overgrowing, reduce shedding, and band girdle must be with the agronomy for increasing dose, multinomial field management Technology matches.
The present invention has advantages below.
1st, small volume, lightweight, the radius of gyration is small, adapts to the different band girdles for inclining larger longan branch, easy to operate.
2nd, it is controllable by handle ring-peeling depth, the bast of the other positions beyond band girdle will not be torn, longan is not made Into damage.
3rd, the width range of longan band girdle branch is at 1.0~3.0 centimetres, notch depth scope at 0.2~0.5 centimetre, It is controllable in critical field.
4th, annulus stripping is determined, point of a knife of the fixed circle with fixing point to Girding cutter carries out band girdle as radius is circled to longan, Fixed due to the center of circle, radius determines that Girding cutter in width range in 1.0~3.0 centimetres, approximately recognize by the diameter of the branch of longan It is uniformity, latch plate occurs elastic deformation, realizes that reducing is clamped.
Brief description of the drawings
Fig. 1 is the structural representation of the girdling device of the embodiment of the present invention.
Fig. 2 is the structural representation of the girdling device job state of the embodiment of the present invention.
1, handle 2, spring 3, rotating shaft 4, surely round 5, latch plate 6, band girdle handle 7, roller 8, support wheel wherein in figure 9th, longan branch 10, Girding cutter 11, DC micromotor.
Specific embodiment
Embodiment 1.
In the embodiment as shown in Fig. 1~2, a kind of human assistance hand-held latch plate reducing branch clamps electronic longan Girdling device, including handle 1, spring 2, rotating shaft 3, latch plate 5, surely round 4 and DC micromotor 11, fixedly mount on handle 1 Spring 2, spring 2 is extension spring, and 1 point of handle is that two parts, surely round 4 and latch plate 5 are arranged on handle 1, and 4 and latch plate 5 are justified surely Two parts are divided into, two parts that 4 are justified surely snap together into a full circle, the opening and closing of handle 1,4 are justified surely and is also servo-actuated Open and close are closed, and 4 are justified surely and is provided with groove, are rolled in the insertion groove of roller 7 and in a groove, are moved in a circle, and joining beam is through rolling The centre bore of wheel 7, two longan girdling devices are linked together, and band girdle handle 6 is fixed on joining beam, and one end of band girdle handle 6 is provided with Girding cutter 10, the other end is provided with yoke plate, under human assistance, Girding cutter 10 with band girdle handle 6 and joining beam fixing point as the center of circle, with solid Pinpoint the point of a knife of Girding cutter 10 carries out band girdle for radius is circled to longan, is fixed due to the center of circle, radius determines, band girdle The movement locus of knife be one overlap closing circle, 2.0 centimetres of the width of band girdle, 0.5 centimetre of notch depth, the branch of longan Diameter is approximately considered uniformity, and handle 1 is provided with rotating shaft 3, and be linked together for two parts of handle 1 by rotating shaft 3, in spring 2 In the presence of power, the two parts of handle 1 closure in the presence of external force, overcomes the pulling force that spring 2 is fixedly mounted on handle 1, handle 1 two parts reversely 3 are rotated around the shaft, justify surely 4 and the two parts of latch plate 5 open, during farm work, the hand of left and right two is each respectively By a girdling device, in the presence of external force, justify surely 4 and the two parts of latch plate 5 open, angle becomes big, and girdling device is moved to At the correct position of longan branch 9 of band girdle, external force is removed, and latch plate 5 clamps the branch of longan, with the longan branch of clamping There is elastic deformation in the change of 9 diameters, latch plate 5, realize that reducing is clamped, and be set on clamping face of the latch plate 5 with longan branch 9 There are rough groove, increasing friction force, in case being rotated with Girding cutter 10, external force is removed, and latch plate 5 presss from both sides the branch of longan Tightly, under the pulling force effect of the spring 2 for being set on handle 1, two parts that 4 are justified surely snap together into a full circle, in band girdle Handle 6 sets spring 2 with joining beam fixed point, and spring 2 is torsion spring, and the Girding cutter 10 to being set on band girdle handle 6 applies constant pressure Power, in case Girding cutter 10 is beated in band girdle, the upper connective plate of band girdle handle 6 is provided with manhole, and bar one end is connected with support wheel 8, The other end is connected through spring 2 with the manhole set on yoke plate, the table of the longan branch 9 at band girdle of support wheel 8 during band girdle Face rolls, and spring 2 has the function of support and profiling, starts DC micromotor 11, the power output of DC micromotor 11 End is provided with belt pulley, by the pulley rotation on belt drive joining beam, and then drives roller 7 to rotate, and Girding cutter 10 is servo-actuated, ring Broach 10 is moved in a circle, and band girdle is carried out to longan, and the clamping action of latch plate 5 will not be to other beyond longan band girdle area The bast of position causes to damage, and band girdle efficiency high is easy to operate, after band girdle completes a position of longan branch 9, to handle 1 Apply external force, 3 rotation around the shaft of handle 1, latch plate 5 departs from longan branch 9, the dragon by longan girdling device from band girdle after complete Removed at eye branch 9, then moving to another needs at the longan branch 9 of band girdle, is repeated in the above-mentioned course of work.

Claims (4)

1. a kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device, including handle(1), spring(2)、 Rotating shaft(3), latch plate(5), fixed circle(4)And DC micromotor(11), it is characterised in that:In handle(1)Upper fixed installation bullet Spring(2), spring(2)It is extension spring, handle(1)Two parts are divided into, fixed circle(4)And latch plate(5)Installed in handle(1)On, it is fixed Circle(4)And latch plate(5)Two parts are divided into, fixed circle(4)Two parts snap together into a full circle, fixed circle(4)On set It is fluted, roller(7)Roll in embedded groove and in a groove, joining beam runs through roller(7)Centre bore, by two longan band girdles Device links together, band girdle handle(6)It is fixed on joining beam, band girdle handle(6)One end be provided with Girding cutter(10), the other end is provided with connection Plate, under human assistance, Girding cutter(10)With band girdle handle(6)It is the center of circle with joining beam fixing point, with fixing point to Girding cutter(10) Point of a knife band girdle, handle are carried out to longan for radius is circled(1)It is divided into two parts, handle(1)It is provided with rotating shaft (3), rotating shaft(3)By handle(1)Two parts be linked together, in spring(2)In the presence of, handle(1)Two parts are closed, In the presence of external force, handle is overcome(1)Upper fixed installation spring(2)Pulling force, handle(1)Two parts reversely around the shaft(3) Rotate, fixed circle(4)And latch plate(5)Two parts open, and angle becomes big, is moved to the longan branch of band girdle(9)Place, external force is moved Remove, latch plate(5)The branch of longan is clamped, with the longan branch of clamping(9)The change of diameter, latch plate(5)Generation bullet Property deformation, realize reducing clamp, in latch plate(5)With longan branch(9)Clamping face be provided with rough groove, increase Frictional force, in case with Girding cutter(10)Rotate, in handle(1)The spring of upper setting(2)Pulling force effect under, fixed circle(4)Two Part snap-fit is together into a full circle.
2. a kind of human assistance hand-held latch plate reducing branch as described in claim 1 clamps electric dragon eye girdling device, its It is characterised by:In band girdle handle(6)Spring is set with joining beam fixed point(2), spring(2)It is torsion spring, to band girdle handle(6)Upper setting Girding cutter(10)Apply constant pressure, in case Girding cutter(10)Beated in band girdle.
3. a kind of human assistance hand-held latch plate reducing branch as described in claim 1 clamps electric dragon eye girdling device, its It is characterised by:Band girdle handle(6)Upper connective plate is provided with manhole, bar one end and support wheel(8)Connection, the other end runs through spring (2)It is connected with the manhole set on yoke plate, support wheel during band girdle(8)The longan branch at band girdle(9)Surface scrolls, bullet Spring(2)Function with support and profiling.
4. a kind of human assistance hand-held latch plate reducing branch as described in claim 1 clamps electric dragon eye girdling device, its It is characterised by:Band girdle handle(6)It is provided with DC micromotor(11), DC micromotor(11)Clutch end be provided with belt Wheel, is rotated, and then drive roller by the belt wheel that skin is set on belt drive joining beam(7)Rotate, Girding cutter(10)It is servo-actuated.
CN201710107839.9A 2017-02-27 2017-02-27 A kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device Pending CN106857010A (en)

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CN201710107839.9A CN106857010A (en) 2017-02-27 2017-02-27 A kind of human assistance hand-held latch plate reducing branch clamping electric dragon eye girdling device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106576944A (en) * 2017-02-27 2017-04-26 山东理工大学 Manpower-assisted handheld spring plate variable-diameter branch-clamping electric grape ring peeling device
CN106613390A (en) * 2017-02-27 2017-05-10 山东理工大学 Human assistance handheld type spring plate diameter-variable branch clamping electric winter jujube girdling device
CN106613389A (en) * 2017-02-27 2017-05-10 山东理工大学 Manually-assisted electric handheld spring plate variable-diameter waxberry branch clamping type girdling device
CN106688643A (en) * 2017-02-27 2017-05-24 山东理工大学 Artificial auxiliary handheld power-driven pomelo tree girdling machine capable of clamping branch in variable-diameter manner by using spring plates
CN106857016A (en) * 2017-02-27 2017-06-20 山东理工大学 A kind of human assistance hand-held latch plate reducing branch clamps electronic persimmon girdling device

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CN106576944A (en) * 2017-02-27 2017-04-26 山东理工大学 Manpower-assisted handheld spring plate variable-diameter branch-clamping electric grape ring peeling device
CN106576941A (en) * 2017-02-27 2017-04-26 山东理工大学 Artificial assistance handheld spring plate variable-diameter branch clamping electric orange tree girdling device
CN106613389A (en) * 2017-02-27 2017-05-10 山东理工大学 Manually-assisted electric handheld spring plate variable-diameter waxberry branch clamping type girdling device
CN106613390A (en) * 2017-02-27 2017-05-10 山东理工大学 Human assistance handheld type spring plate diameter-variable branch clamping electric winter jujube girdling device
CN106688643A (en) * 2017-02-27 2017-05-24 山东理工大学 Artificial auxiliary handheld power-driven pomelo tree girdling machine capable of clamping branch in variable-diameter manner by using spring plates
CN106857016A (en) * 2017-02-27 2017-06-20 山东理工大学 A kind of human assistance hand-held latch plate reducing branch clamps electronic persimmon girdling device
CN106900377A (en) * 2017-02-27 2017-06-30 山东理工大学 A kind of human assistance hand-held latch plate reducing branch clamps electronic lichee girdling device
CN106912305A (en) * 2017-02-27 2017-07-04 山东理工大学 A kind of human assistance hand-held latch plate reducing branch clamps electronic bergamot pear girdling device

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US2138726A (en) * 1937-06-03 1938-11-29 John M Cartwright Girdling tool
CN2662623Y (en) * 2003-07-11 2004-12-15 罗金连 Clamp type band girdling device for fruit tree
CN203435481U (en) * 2013-05-29 2014-02-19 西北农林科技大学 Nut trunk clamping device
CN203896912U (en) * 2014-05-29 2014-10-29 丹阳市保得生态农林开发有限公司 Branch pulling device for fruit tree
CN104381032A (en) * 2014-09-22 2015-03-04 山东理工大学 Winter jujube girdling machine
CN106576944A (en) * 2017-02-27 2017-04-26 山东理工大学 Manpower-assisted handheld spring plate variable-diameter branch-clamping electric grape ring peeling device
CN106576941A (en) * 2017-02-27 2017-04-26 山东理工大学 Artificial assistance handheld spring plate variable-diameter branch clamping electric orange tree girdling device
CN106613389A (en) * 2017-02-27 2017-05-10 山东理工大学 Manually-assisted electric handheld spring plate variable-diameter waxberry branch clamping type girdling device
CN106613390A (en) * 2017-02-27 2017-05-10 山东理工大学 Human assistance handheld type spring plate diameter-variable branch clamping electric winter jujube girdling device
CN106688643A (en) * 2017-02-27 2017-05-24 山东理工大学 Artificial auxiliary handheld power-driven pomelo tree girdling machine capable of clamping branch in variable-diameter manner by using spring plates
CN106857016A (en) * 2017-02-27 2017-06-20 山东理工大学 A kind of human assistance hand-held latch plate reducing branch clamps electronic persimmon girdling device
CN106900377A (en) * 2017-02-27 2017-06-30 山东理工大学 A kind of human assistance hand-held latch plate reducing branch clamps electronic lichee girdling device
CN106912305A (en) * 2017-02-27 2017-07-04 山东理工大学 A kind of human assistance hand-held latch plate reducing branch clamps electronic bergamot pear girdling device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106576944A (en) * 2017-02-27 2017-04-26 山东理工大学 Manpower-assisted handheld spring plate variable-diameter branch-clamping electric grape ring peeling device
CN106613390A (en) * 2017-02-27 2017-05-10 山东理工大学 Human assistance handheld type spring plate diameter-variable branch clamping electric winter jujube girdling device
CN106613389A (en) * 2017-02-27 2017-05-10 山东理工大学 Manually-assisted electric handheld spring plate variable-diameter waxberry branch clamping type girdling device
CN106688643A (en) * 2017-02-27 2017-05-24 山东理工大学 Artificial auxiliary handheld power-driven pomelo tree girdling machine capable of clamping branch in variable-diameter manner by using spring plates
CN106857016A (en) * 2017-02-27 2017-06-20 山东理工大学 A kind of human assistance hand-held latch plate reducing branch clamps electronic persimmon girdling device

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