CN107484486A - Bamboo root digging machine - Google Patents
Bamboo root digging machine Download PDFInfo
- Publication number
- CN107484486A CN107484486A CN201710902474.9A CN201710902474A CN107484486A CN 107484486 A CN107484486 A CN 107484486A CN 201710902474 A CN201710902474 A CN 201710902474A CN 107484486 A CN107484486 A CN 107484486A
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- CN
- China
- Prior art keywords
- cylinder
- bamboo root
- decelerator
- jackshaft
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D13/00—Diggers, e.g. potato ploughs
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D33/00—Accessories for digging harvesters
- A01D33/12—Driving mechanisms, with or without motor
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a kind of bamboo root digging machine, including gasoline engine, decelerator, handrail sum cylinder, gasoline engine is arranged on decelerator to be connected with decelerator, decelerator is connected with cylinder, drive rotary drum, to excavate bamboo root, cylinder includes cylinder, spiral leads slice and jackshaft, jackshaft is arranged in cylinder at the center of the bottom surface of opening, screw blade is provided with the external annulus of jackshaft, cylinder sets the ring serrated knife being provided with the end face of open at one end for cutting soil and bamboo root.By above-mentioned setting, one kind is provided by gasoline engine driven handheld tool to excavate bamboo root, it is more efficient relative to hand digging bamboo root so as to carry out bamboo root excavation.For jackshaft when excavating bamboo root, cylinder is held in the part for stretching into bamboo root, and guide cylinder moves along the direction of jackshaft, reduces bounce of the cylinder during bamboo root is excavated, so as to reduce because of cylinder bounce and the energy wasted and time, improves efficiency, save the energy.
Description
Technical field
The present invention relates to a kind of agriculture and forestry machinery, more particularly to a kind of bamboo root digging machine.
Background technology
Root footpath under being remained after bamboo felling, generally requiring the time of 5~10 years under field conditions (factors) could rot, one
The diameter of bamboo main root is usually 10~12cm, and its dense coring accounts for a diameter of 0.5~0.7m circle scope, does not only take up soil
Ground resource, and bamboo suppresses small bamboo growth to a certain extent, can more influence the metabolism of whole bamboo grove, therefore, fully
Using land resource, the article of the market demand is produced, is the important channel uplifted the people's living standard of developing the economy.Together
When, excavating the hole that bamboo root leaves with water storage, can substantially increase the water content of bamboo grove.
All the time, bamboo pocket excavates all manually, a strong labour power being skilled in technique, and removing a bamboo pocket at least needs
6th, seven minutes, now, as labor cost increase and mountain area Labor Transfer, the big technology of this labor intensity are seldom
Someone does.Research and develop that a kind of price is low, bamboo root digging machine tool of efficiency high turns into a urgent problem to be solved.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of bamboo root digging machine, bamboo is efficiently excavated
Root.
To achieve the above object, the invention provides following technical scheme：A kind of bamboo root digging machine, including gasoline engine, subtract
Fast device, the cylinder for the handrail of people's grasping and for excavating bamboo root, decelerator are arranged on handrail, and gasoline engine is arranged on decelerator
Upper to be connected with decelerator, decelerator is connected with cylinder, drives rotary drum, to excavate bamboo root, cylinder including cylinder,
Spiral leads slice and jackshaft, and cylinder one end is provided with opening, and the other end is connected with decelerator, and use is offered in the side wall of cylinder
In the mudhole that mud is discharged to cylinder, spiral is led slice and is arranged on the external annulus of cylinder, and jackshaft is arranged in cylinder backwards
At the center of the bottom surface of opening, screw blade is provided with the external annulus of jackshaft, cylinder sets and set on the end face of open at one end
It is equipped with the ring serrated knife for cutting soil and bamboo root.
As a further improvement on the present invention, be provided with damping device between handrail and decelerator, damping device include dividing plate,
Piston rod, spring and the internal cylinder body for being full of damping fluid, piston rod are connected with handrail, and cylinder body is connected with decelerator, piston rod with
Baffle plate is provided with the external annulus of cylinder body, two pieces of baffle plates are set one on the other, and damping space, spring are formed between two pieces of baffle plates
It is arranged in damping space, with being offseted respectively with two pieces of baffle plates, dividing plate is arranged in cylinder body at both ends, and cylinder body is separated into the first chamber
Body and the second cavity, slide opening is offered on cylinder body and dividing plate, and piston rod sliding is arranged in two slide openings, offered on dividing plate more
Individual through hole, in through hole sliding be provided with slide bar, the both ends of slide bar are reached outside through hole, and the both ends of slide bar are connected with logical for blocking
The sprue in hole, when piston rod moves in slide opening, change the pressure in the first cavity and the second cavity, so as to drive sprue and
Slide bar moves, to be turned on and off through hole.
As a further improvement on the present invention, mounting groove is offered on the madial wall of cylinder, one end of jackshaft is connected with
For being embedded in the locating piece of mounting groove, locating piece is provided with multiple fixed blocks backwards to one end of jackshaft, confession is offered on cylinder
The fixing hole of fixed block insertion, the quantity of fixing hole is equal with fixed block, and multiple fixing holes connect with mounting groove, are set on cylinder
There is the fixing device for fixed block being fixed on cylinder, fixing device includes the number spring equal with fixing hole and locking
Bar, the top of cylinder offer the number chute equal with locking bar, and chute is connected with fixing hole, and slide rail is provided with chute,
Slideway is offered on locking bar, slide rail insertion slideway, by multiple locking bars, sliding is arranged in multiple chutes correspondingly, Gu
Determine to offer lock hole on block, multiple springs are separately positioned in chute, are offseted with locking bar, promote multiple locking bars one respectively
Lock hole corresponding to one insertion, multiple fixed blocks are mutually locked with cylinder.
As a further improvement on the present invention, in addition to locking ring and the quantity connecting rod equal with locking bar, cylinder is backwards
One end of opening is provided with the connecting pole for connection reducer, and locking ring sliding is set on connecting pole, and the one of multiple connecting rods
End is hinged with locking bar respectively, and the other end is respectively hinged on locking ring, when locking ring slides along connecting pole, drives a plurality of lock
Determine bar synchronizing moving.
As a further improvement on the present invention, decelerator includes shell and the reducing gear being arranged in shell, reductor
Structure includes rotatable input shaft, variable-speed shaft and output shaft on shell is arranged on, and input shaft is connected with gasoline engine, defeated
Shaft and connecting pole are connected, and driving gear is coaxially fixed with input shaft, be coaxially fixed with variable-speed shaft input gear with
And mutually different first output gear of diameter, the second output gear and the 3rd output gear, driving gear are nibbled with input gear
Close, driven gear, driven gear and the first output gear or the second output gear or the 3rd output gear are provided with output shaft
Engagement, change the rotating speed of output shaft.
Beneficial effects of the present invention, by above-mentioned setting, provide one kind for excavation bamboo root and held by gasoline engine driven
Instrument, it is more efficient relative to hand digging bamboo root so as to carry out bamboo root excavation.Jackshaft stretches into bamboo root when excavating bamboo root
Part hold cylinder, and guide cylinder moves along the direction of jackshaft, reduces bounce of the cylinder during bamboo root is excavated,
So as to reduce because of cylinder bounce and the energy wasted and time, efficiency is improved, saves the energy.
Brief description of the drawings
Fig. 1 is the overall structure figure of first embodiment of the invention；
Fig. 2 is the structure chart of damping device；
Fig. 3 is the partial cross sectional views of first embodiment of the invention；
Fig. 4 is the partial enlarged drawing at Fig. 3 marks A；
Fig. 5 is the cut-away view of decelerator.
Embodiment
The present invention is described in further detail below in conjunction with the embodiment given by accompanying drawing.
Referring to figs. 1 to shown in Fig. 5, a kind of bamboo root digging machine of the present embodiment, including gasoline engine 1, decelerator 2, grab for people
The handrail 3 held and the cylinder 4 for excavating bamboo root, decelerator 2 are arranged on handrail 3, gasoline engine 1 be arranged on decelerator 2 with
Decelerator 2 is connected, and decelerator 2 is connected with cylinder 4, and driving cylinder 4 rotates, and to excavate bamboo root, cylinder 4 includes cylinder
41st, spiral leads slice 42 and jackshaft 43, and the one end of cylinder 41 is provided with opening k1, and the other end is connected with decelerator 2, cylinder 41
The mudhole k2 for mud to be discharged to cylinder 41 is offered in side wall, spiral is led slice 42 and is arranged on the external annulus of cylinder 41,
Jackshaft 43 is arranged in cylinder 41 at the center of opening k1 bottom surface, and circular knife is provided with the external annulus of jackshaft 43
Piece 44, cylinder 4 set the ring serrated knife 45 being provided with the end face of opening k1 one end for cutting soil and bamboo root.
When excavating bamboo root, operating personnel hold handrail 3, then startup gasoline engine 1, the drive decelerator 2 of gasoline engine 1, from
And driving cylinder 4 to rotate, ring serrated knife 45 excavates soil and cutting bamboo root, and spiral leads slice 42 when cylinder 4 excavates soil, will
Soil is discharged from the side of cylinder 4, and provides a downward power for cylinder 4, helps cylinder 4 to stretch into soil.Excavating bamboo
During root, screw blade 44 is bored and opens bamboo root, then drives jackshaft 43 to stretch into bamboo root, and the part that jackshaft 43 stretches into bamboo root is held
Cylinder 4, and direction of the guide cylinder 4 along jackshaft 43 is moved, and reduces bounce of the cylinder 4 during bamboo root is excavated, so as to
The energy beated and wasted by cylinder 4 and time are reduced, improves efficiency, saves the energy.And by above-mentioned setting, to excavate bamboo root
A kind of handheld tool driven by gasoline engine 1 is provided, so as to carry out bamboo root excavation, relative to hand digging bamboo root, efficiency is more
It is high.
As a kind of improved embodiment, damping device 5, damping device 5 are provided between handrail 3 and decelerator 2
It is connected including dividing plate 51, piston rod 52, damping spring 53 and the internal cylinder body 54 for being full of damping fluid, piston rod 52 with handrail 3, cylinder
Body 54 is connected with decelerator 2, baffle plate 55 is provided with the external annulus of piston rod 52 and cylinder body 54, two pieces of baffle plates 55 are one on the other
Set, damping space is formed between two pieces of baffle plates 55, damping spring 53 is arranged in damping space, and both ends with two pieces with keeping off respectively
Plate 55 is offseted, and dividing plate 51 is arranged in cylinder body 54, and cylinder body 54 is separated into the first cavity q1 and the second cavity q2, cylinder body 54 and every
Slide opening q3 is offered on plate 51, the sliding of piston rod 52 is arranged in two slide opening q3, and multiple through hole q4 are offered on dividing plate 51, are led to
Sliding is provided with slide bar q5 in the q4 of hole, and slide bar q5 both ends are reached outside through hole q4, and slide bar q5 both ends are connected with for blocking
Through hole q4 sprue q6, when piston rod 52 moves in slide opening q3, change the pressure in the first cavity q1 and the second cavity q2,
So as to drive sprue q6 and slide bar q5 to move, to be turned on and off through hole q4.
When gasoline engine 1 drives cylinder 4, excavates bamboo root, vibration can be produced, the grasping comfortableness of operating personnel is influenceed, enters
And control of the operating personnel to excavation bamboo root is influenceed, operating personnel can not be smoothly excavated bamboo root.Damping device 5 is set, reduced
The vibrations of handrail 3 are delivered to, so as to improve the comfortableness of operation, the easier control present invention is enabled an operator to and excavates bamboo
Root.The vibrations of gasoline engine 1 and cylinder 4 are delivered to damping device 5, piston rod 52 is slid in through hole q4, change the first cavity
Q1 and the second cavity q2 volume, so as to change the pressure of the damping fluid in the first cavity q1 and the second cavity q2, in the first chamber
Pressure differential is formed in body q1 and the second cavity q2, damping fluid is back and forth flowed in the first cavity q1 and the second cavity q2, is subtracting
Shake to form piston rod 52 during liquid stream is moved and damp, so as to consume the energy of vibrations, reach the function of damping.Damping bullet
The setting of spring 53 absorbs instantaneous shock, and the energy of vibrations is carried out into accumulation of energy, and then slowly release again, reduces the instantaneous shifting of piston rod
Dynamic distance, so as to improve the damping performance of damping device 5.
As a kind of improved embodiment, mounting groove 411 is offered on the madial wall of cylinder 41, jackshaft 43
One end is connected with the locating piece 412 for being embedded in mounting groove 411, and locating piece 412 is provided with multiple backwards to one end of jackshaft 43
Fixed block 413, the fixing hole 414 being embedded in for fixed block 413, quantity and the fixed block 413 of fixing hole 414 are offered on cylinder 41
Equal, multiple fixing holes 414 connect with mounting groove 411, are provided with cylinder 41 for fixed block 413 to be fixed on into cylinder 41
Fixing device, fixing device includes the number Lock spring s1 and locking bar s2 equal with fixing hole 414, the top of cylinder 41
The number chute s3 equal with locking bar s2 is offered, chute s3 is connected with fixing hole 414, and slide rail s4 is provided with chute s3,
Slideway s5, slide rail s4 insertion slideway s5 are offered on locking bar s2, multiple locking bar s2 slidings correspondingly are arranged on more
In individual chute s3, lock hole s6 is offered on fixed block 413, multiple Lock spring s1 are separately positioned in chute s3, with locking
Bar s2 offsets, promote respectively multiple locking bar s2 one by one be embedded in corresponding to lock hole s6, by multiple fixed blocks 413 and cylinder 41
Mutually lock.
Jackshaft 43 and cylinder 41 are detachably connected through the above way, can be by jackshaft when completing the excavation of bamboo root
43 unload, and so that the bamboo root dug out be taken out with jackshaft 43, facilitate jackshaft 43 to be separated with bamboo root, and separating step is,
Operating personnel promote locking bar s2, locking bar s2 is skidded off lock hole s6, release the locking with cylinder 41 of fixed block 413, and
Operating personnel pull bamboo root or promote fixed block 413 afterwards, and jackshaft 43, bamboo root and the soil that digs out are removed at opening k1,
Realize the separation of bamboo root and cylinder 41.
As a kind of improved embodiment, in addition to locking ring s7 and the quantity connecting rod equal with locking bar s2
S8, cylinder 41 are provided with the connecting pole s9 for connection reducer 2, the locking ring s7 slidings company of being set in backwards to opening k1 one end
Connect on post s9, multiple connecting rod s8 one end is hinged with locking bar s2 respectively, and the other end is respectively hinged on locking ring s7, works as locking
Ring s7 along connecting pole s9 slide when, drive a plurality of locking bar s2 synchronizing movings.
Operating personnel promote locking ring s7 to be slid along connecting pole s9 when needing to dismantle jackshaft 43, drive more connecting rods
S8 synchronizing movings, so as to drive multiple clamping blocks synchronously to be moved along chute s3, clamping block is exited lock hole s6, release cylinder 41
With the locking of jackshaft 43, by locking ring s7 and connecting rod s8 setting, the synchronizing unlocking of multiple clamping blocks can be achieved, in simplifying
The disassembling operations of countershaft 43, make the more convenient dismounting of jackshaft 43.
As a kind of improved embodiment, decelerator 2 includes shell w1 and the reductor being arranged in shell w1
Structure, reducing gear include rotatable input shaft j1, variable-speed shaft j2 and output shaft j3 on shell w1 is arranged on, input shaft j1
It is connected with gasoline engine 1, output shaft j3 and connecting pole s9 is connected, and driving gear j11 is coaxially fixed with input shaft j1,
Input gear j21 and the mutually different first output gear j41 of diameter, the second output gear are coaxially fixed with variable-speed shaft j2
J42 and the 3rd output gear j43, driving gear j11 are engaged with input gear j21, and driven gear is provided with output shaft j3
J31, driven gear j31 engage with the first output gear j41 or the second output gear j42 or the 3rd output gear j43, change defeated
Shaft j3 rotating speed.
Gasoline engine 1 rotates with driven input shaft j1, drives the first output gear j41, the second output gear j42 and the 3rd output
Gear j43 is rotated, now different from diameter driven gear j31 the first output gear j41 or the second output gear j42 or the 3rd
Output gear j43 is engaged, and is inputted different angular speed, is produced different output torques, realizes speed-regulating function, drives output shaft j3
Rotate, output shaft j3 drives cylinder 4 to rotate, and excavates soil and bamboo root.It is different being used in face of the different soil of porousness
Rotating speed, improve digging efficiency.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
- A kind of 1. bamboo root digging machine, it is characterised in that：Including gasoline engine (1), decelerator (2), for people grasping handrail (3) and In the cylinder (4) for excavating bamboo root, the decelerator (2) is arranged on handrail (3), and the gasoline engine (1) is arranged on decelerator (2) Upper and decelerator (2) is connected, and the decelerator (2) is connected with cylinder (4), and driving cylinder (4) rotates, to excavate bamboo Root, the cylinder (4) includes cylinder (41), spiral leads slice (42) and jackshaft (43), and described cylinder (41) one end is provided with It is open (k1), the other end is connected with decelerator (2), is offered in the side wall of the cylinder (41) for mud to be discharged into cylinder (41) Mudhole (k2), the spiral leads slice (42) and is arranged on the external annulus of cylinder (41), and the jackshaft (43) is arranged on In cylinder (41) at the center of the bottom surface of opening (k1), screw blade is provided with the external annulus of the jackshaft (43) (44), the cylinder (4) sets the ring serrated knife (45) being provided with the end face of opening (k1) one end for cutting soil and bamboo root.
- A kind of 2. bamboo root digging machine according to claim 1, it is characterised in that：Set between the handrail (3) and decelerator (2) Damping device (5) is equipped with, the damping device (5) is full of including dividing plate (51), piston rod (52), damping spring (53) and inside The cylinder body (54) of damping fluid, the piston rod (52) are connected with handrail (3), and the cylinder body (54) is connected with decelerator (2), described Baffle plate (55) is provided with the external annulus of piston rod (52) and cylinder body (54), two pieces of baffle plates (55) are set one on the other, Damping space is formed between two pieces of baffle plates (55), the damping spring (53) is arranged in damping space, both ends with respectively with two Block baffle plate (55) is offseted, and the dividing plate (51) is arranged in cylinder body (54), and cylinder body (54) is separated into the first cavity (q1) and the Two cavitys (q2), slide opening (q3) is offered on the cylinder body (54) and dividing plate (51), and piston rod (52) sliding is arranged on two In individual slide opening (q3), multiple through holes (q4) are offered on the dividing plate (51), is slid in the through hole (q4) and is provided with slide bar (q5), the both ends of the slide bar (q5) reach through hole (q4) outside, and the both ends of the slide bar (q5) are connected with for blocking through hole (q4) sprue (q6), when piston rod (52) moves in slide opening (q3), the first cavity (q1) and the second cavity (q2) are changed Interior pressure, so as to drive sprue (q6) and slide bar (q5) mobile, to be turned on and off through hole (q4).
- A kind of 3. bamboo root digging machine according to claim 2, it is characterised in that：Opened up on the madial wall of the cylinder (41) There is mounting groove (411), one end of the jackshaft (43) is connected with the locating piece (412) for being embedded in mounting groove (411), described Locating piece (412) is provided with multiple fixed blocks (413) backwards to one end of jackshaft (43), is offered on the cylinder (41) for solid Determine the embedded fixing hole (414) of block (413), the quantity of the fixing hole (414) is equal with fixed block (413), multiple described solid Determine hole (414) to connect with mounting groove (411), be provided with the cylinder (41) for fixed block (413) to be fixed on into cylinder (41) fixing device on, the fixing device include the number Lock spring (s1) equal with fixing hole (414) and locking bar (s2), the top of the cylinder (41) offers the number chute (s3) equal with locking bar (s2), and the chute (s3) is with consolidating Determine hole (414) connection, be provided with slide rail (s4) in the chute (s3), slideway (s5), institute are offered on the locking bar (s2) The embedded slideway (s5) of slide rail (s4) is stated, sliding is arranged on multiple chutes (s3) correspondingly by multiple locking bars (s2) It is interior, lock hole (s6) is offered on the fixed block (413), multiple Lock springs (53) are separately positioned on chute (s3) It is interior, offseted with locking bar (s2), promote respectively multiple locking bars (s2) one by one be embedded in corresponding to lock hole (s6), will be multiple solid Determine block (413) mutually to lock with cylinder (41).
- A kind of 4. bamboo root digging machine according to claim 3, it is characterised in that：Also include locking ring (s7) and quantity and lock Determine the equal connecting rod (s8) of bar (s2), the cylinder (41) is provided with for connection reducer (2) backwards to one end of opening (ki) Connecting pole (s9), the locking ring (s7) sliding is set on connecting pole (s9), one end difference of multiple connecting rods (s8) Be hinged with locking bar (s2), the other end is respectively hinged on locking ring (s7), when locking ring (s7) slides along connecting pole (s9), Drive a plurality of locking bar (s2) synchronizing moving.
- A kind of 5. bamboo root digging machine according to claim 4, it is characterised in that：The decelerator (2) includes shell (w1) With the reducing gear being arranged in shell (w1), the reducing gear includes the rotatable input on shell (w1) is arranged on Axle (j1), variable-speed shaft (j2) and output shaft (j3), the input shaft (j1) are connected with gasoline engine (1), the output shaft (j3) it is connected with connecting pole (s9), driving gear (j11), the variable-speed shaft is coaxially fixed with the input shaft (j1) (j2) input gear (j21) and mutually different first output gear (j41) of diameter, the second output gear are coaxially fixed with (j42) engaged with the 3rd output gear (j43), the driving gear (j11) with input gear (j21), the output shaft (j3) On be provided with driven gear (j31), the driven gear (j31) and the first output gear (j41) or the second output gear (j42) Or the 3rd output gear (j43) engagement, change output shaft (j3) rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902474.9A CN107484486B (en) | 2017-09-28 | 2017-09-28 | Bamboo root digging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902474.9A CN107484486B (en) | 2017-09-28 | 2017-09-28 | Bamboo root digging machine |
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| Publication Number | Publication Date |
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| CN107484486A true CN107484486A (en) | 2017-12-19 |
| CN107484486B CN107484486B (en) | 2019-08-09 |
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ID=60654004
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710902474.9A Active CN107484486B (en) | 2017-09-28 | 2017-09-28 | Bamboo root digging machine |
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| CN108271496A (en) * | 2018-02-06 | 2018-07-13 | 安徽传质信息科技有限公司 | Rheum officinale digs receipts machine and its digs receiving method |
| CN109618635A (en) * | 2018-12-20 | 2019-04-16 | 浙江农林大学 | A kind of portable bamboo shoots excavator |
| CN110313299A (en) * | 2019-07-15 | 2019-10-11 | 盐城市新明悦机械制造有限公司 | A kind of straight-tooth transmission inversion type binding apparatus |
| CN108184405B (en) * | 2017-12-29 | 2020-11-13 | 包莉丽 | Horseshoe bamboo shoot harvester |
| CN115500138A (en) * | 2022-11-01 | 2022-12-23 | 文成县意东科技有限公司 | Chinese yam digging tool |
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| CN109618635A (en) * | 2018-12-20 | 2019-04-16 | 浙江农林大学 | A kind of portable bamboo shoots excavator |
| CN110313299A (en) * | 2019-07-15 | 2019-10-11 | 盐城市新明悦机械制造有限公司 | A kind of straight-tooth transmission inversion type binding apparatus |
| CN115500138A (en) * | 2022-11-01 | 2022-12-23 | 文成县意东科技有限公司 | Chinese yam digging tool |
| CN115500138B (en) * | 2022-11-01 | 2023-12-05 | 文成县意东科技有限公司 | Chinese yam excavation tool |
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| Publication number | Publication date |
|---|---|
| CN107484486B (en) | 2019-08-09 |
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