CN209089424U - A kind of jetting type lotus root digging harvester structure - Google Patents
A kind of jetting type lotus root digging harvester structure Download PDFInfo
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- CN209089424U CN209089424U CN201821663334.7U CN201821663334U CN209089424U CN 209089424 U CN209089424 U CN 209089424U CN 201821663334 U CN201821663334 U CN 201821663334U CN 209089424 U CN209089424 U CN 209089424U
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- China
- Prior art keywords
- worm
- spray head
- lotus root
- sliding block
- digging harvester
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Abstract
The utility model relates to a kind of jetting type lotus root digging harvester structures, it includes door-type holder, the dual-rod hydraulic cylinder being mounted on door-type holder, the guide groove being mounted on door-type holder, there is horizontal direction sliding block in guide groove, horizontal direction sliding block is connected with horizontal shore, hydraulic motor is fixed on the downside of horizontal shore, hydraulic motor output end is connected with worm-drive unit, worm-drive unit includes worm screw, worm gear, worm gear drive shaft, worm gear drive shaft is connected with bevel gear set, the bevel gear set is connected with lead screw, the feed screw nut of lead screw connection is fixed on vertically on sliding block, it is oriented to vertically to sliding block from vertical realized to guide groove being fixed on horizontal shore, spray head fixed structure is connected with to sliding block vertically, spray head fixed structure is connected with spray head manifold, spray head manifold obliquely downward offers multiple spray heads.The utility model has the advantages that structurally reasonable, accurate positioning, work efficiency is high, reliable operation.
Description
Technical field
The utility model relates to agricultural machinery technological fields, and in particular to a kind of jetting type lotus root digging harvester structure.
Background technique
Traditional digging lotus root mode uses excavated by manual work lotus root at present, excavated by manual work lotus root large labor intensity and production efficiency is low, and machine
It is low that tool adopts lotus root development level.Existing lotus root picking machine tool is broadly divided into mechanical digging lotus root and jetting type digs lotus root two major classes.Mechanically
It digs lotus root to dig out lotus rhizome from lotus pool using mechanical structure, easily causes lotus rhizome fracture, breakage, reduce the quality of lotus rhizome.Jet stream
Formula is dug lotus root and is washed open the mud being attached on lotus rhizome using high-pressure water jet, and lotus rhizome virtue of buoyancy, which emerges, realizes the receipts of lotus rhizome
It takes.Due to lotus rhizome industry characteristics, jetting type lotus root digging harvester still suffers from many difficulties.
First is that the lotus pool depth of water is different.Because water resistance influences, pressure sharply declines after high-pressure jet enters water, influences water flow and washes open
Mud, therefore spray head must be placed in muck surface, wash mud open to greatest extent.And the lotus pool depth of water is different, it must adjustment sprinkler height
Guarantee that spray head can be placed in muck surface.
Second is that cause jet stream to rush mud uneven for the presence of spray head spacing.Because there are certain distances between adjacent spray head, while again
Pressure drop after entering water because of jet stream is larger, some can not be rushed to open the mud being attached on lotus rhizome, lotus rhizome can not effective emersion,
Reduce the recovery ratio of lotus rhizome.
A kind of published lotus root digging harvester structure (patent No. 201711156947.1) proposition for automating lotus root digging harvester passes through lifting
Oil cylinder and translation oil cylinder adjust separately the vertical direction height of its water pot, horizontal direction position.In the vertical direction due to spray head
Height only need to adjust primary and kept constant in the work of subsequent diggings lotus root, and hydraulic oil is leaked due to compressibility and existing
Vertical direction height is caused not to be able to maintain stabilization；And hydraulic cylinder directly drives adjustment water pot height, control precision is poor, no
It is able to achieve accurate positionin.The position of spray head in the horizontal direction needs to move back and forth, and could expand punching and penetrate area, and the patent is said
Bright " effect of translation oil cylinder is the position in order to adjust water pot in the horizontal direction ", and be not expressly mentioned spray head need to move back and forth with
Expand punching and penetrates area；Meanwhile the thrust of general hydraulic cylinder and pulling force be it is inconsistent, this results in spray head in positive stroke, negative
Driving force is inconsistent during stroke motion, stroke is inconsistent, has and does not rush the region penetrated by water flow, reduces lotus root digging harvester
Area is penetrated in punching, is reduced and is dug lotus root efficiency.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of structurally reasonable, accurate positioning,
Work efficiency is high, the jetting type lotus root digging harvester structure of reliable operation.
In order to solve the above technical problems, a kind of jetting type lotus root digging harvester structure disclosed by the utility model, it includes that gate-type is fixed
Frame, the dual-rod hydraulic cylinder being mounted on door-type holder, the guide groove being mounted on door-type holder have water in the guide groove
It puts down to sliding block, the horizontal direction sliding block is connected with horizontal shore, is fixed with hydraulic motor on the downside of the horizontal shore, described
Hydraulic motor output end is connected with worm-drive unit, and worm-drive unit includes worm screw, worm gear, worm gear drive shaft, the snail
Wheel shaft is connected with bevel gear set, and the bevel gear set is connected with lead screw, and the feed screw nut of the lead screw connection is fixed on perpendicular
It is described to be oriented to vertically to sliding block from vertical realized to guide groove being fixed on horizontal shore directly on sliding block, it is described vertical
It is connected with spray head fixed structure to sliding block, the spray head fixed structure is connected with spray head manifold, and spray head manifold obliquely downward is opened
Equipped with multiple spray heads.
Further technical solution, the door-type holder include two sides fixed frame, fixed cross beam, and the two sides fixed frame is solid
Due on lotus root digging harvester chassis, the fixed cross beam connects two sides fixed frame in top.
Further technical solution, the dual-rod hydraulic cylinder are installed on fixed cross beam middle position, the dual-rod hydraulic cylinder
Both ends piston rod is connected to the horizontal direction sliding block of the left and right sides.
The bar diameter of further technical solution, the both ends piston rod of the dual-rod hydraulic cylinder is identical, the forward and reverse movement speed of piston
Degree and thrust are equal.
Further technical solution, the hydraulic motor are installed on the middle position of horizontal shore.
Further technical solution, the worm-drive unit include worm screw, worm gear, worm gear drive shaft, the worm-drive
Unit is deceleration transmission, and the worm screw is connected on hydraulic motor output end, and the worm gear is mounted on worm gear drive shaft, described
Worm gear drive shaft is connected on horizontal shore.The worm-drive unit has self-locking performance.
Further technical solution, the bevel gear set include first bevel gear, second bevel gear, the first bevel gear with
For second bevel gear axis in 90 ° of intersections, the first bevel gear is installed on worm gear drive shaft end, the second bevel gear installation
In lead screw end.
Further technical solution, the lead screw are self-locking type lead screw, and lead screw upper end is connected to vertically to guide groove.
Further technical solution, it is described to be connected on horizontal shore to guide groove vertically, and relative to horizontal shore
It is arranged symmetrically.
Further technical solution, the spray head fixed structure are connected to vertically on sliding block, and relative to horizontal shore
It is arranged symmetrically.
Further technical solution, the spray head manifold lower section offer multiple spray heads, and the spacing per adjacent two spray head is 200
The axis of spray head described in~400mm and the angle of horizontal plane are adjustable, and adjusting range is 45 °~90.
Effective effect of the utility model:
1, the utility model is mounted on lotus root digging harvester, when lotus root digging harvester is proceeded in lotus pool, is turned first by hydraulic motor
Dynamic to drive worm screw rotation, worm screw rotation drives worm gear rotation, and worm gear rotation drives the first cone tooth by the transmitting of worm gear drive shaft
Wheel rotation, first bevel gear rotation drive second bevel gear rotation, and the rotation of second bevel gear is converted to feed screw nut side vertically
Upward movement, the mobile drive of feed screw nut make spray head be placed in silt to the movement of sliding block so as to adjust the height of spray head vertically
Mud surface preferably plays the effect of high-pressure jet, improves the lotus pool adaptability of the utility model；Being again started up lotus root digging harvester makes it
Advance, while starting dual-rod hydraulic cylinder, and by the controller on lotus root digging harvester control the both ends piston rod of dual-rod hydraulic cylinder according to
Certain frequency moves back and forth, and drives spray head to move back and forth in the horizontal direction, expands rushing for high-pressure jet and penetrate area, keep lotus rhizome easy
In floating, excavation efficiency is improved.
2, the utility model is fixed on lotus root digging harvester moves ahead according to given pace, drives this practical in direction of advance lotus root digging harvester
Novel forward travel, dual-rod hydraulic cylinder drives spray head to move back and forth in the horizontal direction, and two movements synthesize the practical fortune of spray head
It is dynamic.Therefore the motion profile of spray head is W type, effectively expands rushing for high-pressure jet and penetrates area, improves excavation efficiency.
3, the utility model drives worm-drive, lead screw transmission to control the height of spray head by hydraulic motor, when spray head tune
It is whole to suitable position when, close the disengaging oil of hydraulic motor, utilize worm-drive, the self-locking superposition of lead screw transmission, spray head at this time
The reverse impact power of partial gravity and water jet overcomes by mechanical structure to support, and supports instead of relying on hydraulic oil, can
Stability contorting spray head greatly increases the Stability and dependability of lotus root digging harvester structure in desired height.
4, the rotation of hydraulic motor is converted to feed screw nut than being driven by worm geared big retarding by the utility model
Slow movement realize the accurate positioning to sprinkler height while by high-precision control of the lead screw to moving distance.
5, the utility model use dual-rod hydraulic cylinder, both ends piston rod bar diameter is identical, the forward and reverse movement velocity of piston and
Thrust is equal.Can guarantee in this way the horizontal direction sliding block being connected on the piston rod of both ends move at the uniform velocity in respective guide groove, by
Power is balanced, and then ensures that spray head moves unanimously in reciprocating motion, increases the stability of lotus root digging harvester structure, ensures that lotus root digging harvester is working
It is consistent always to penetrate area for water flow punching in the process.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model, does not include spray head part；
Fig. 2 is the schematic elevation view of the utility model；
Fig. 3 is the schematic top plan view of the utility model；
Fig. 4 is the schematic illustration of dual-rod hydraulic cylinder in the utility model；
Fig. 5 is the schematic diagram of the utility model and lotus root digging harvester coupling part, only shows part；
Fig. 6 is the schematic diagram that spray head is partially in different location in the utility model.
Wherein, 1- guide groove, 2- fixed frame, 3- horizontal direction sliding block, 4- fixed cross beam, 5- dual-rod hydraulic cylinder, 6- level branch
Beam is supportted, 7- lead screw, 8- is vertically to guide groove, and 9- feed screw nut, 10- is vertically to sliding block, 11- spray head fixed structure, 12- worm gear biography
Moving axis, 13- hydraulic motor, 14- water inlet, 15- spray head manifold, 16- spray head, 17- worm screw, 18- worm gear, 19- first bevel gear,
20- second bevel gear, the both ends 21- piston rod, 22- worm-drive shaft supporting frame, 23- manifold connection support lower plate, 24- manifold
It is connected and fixed axis, 25- manifold connection support upper cover plate, 26- manifold connects articulated shaft, 27- right oil port, 28- left oil port, 29- digging
Lotus root machine chassis, 30- reinforcing rib.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
A kind of jetting type lotus root digging harvester structure, as shown in figs. 1 to 6, it includes fixed frame 2, fixed cross beam 4, to be mounted on gate-type solid
Determine the dual-rod hydraulic cylinder 5 on frame, the guide groove 1 being mounted on door-type holder, the fixed frame 2 and fixed cross beam 4 of two sides form
Door-type holder has horizontal direction sliding block 3 in the guide groove 1, and the horizontal direction sliding block 3 is connected with horizontal shore 6, the water
Flat 6 downside of supporting beam is fixed with hydraulic motor 13, and the hydraulic motor 13 is connected with worm-drive unit, the worm-drive
Unit includes worm screw 17, worm gear 18, worm gear drive shaft 12, and the worm gear drive shaft 12 is connected with bevel gear set, bevel gear set packet
First bevel gear 19, second bevel gear 20 are included, the second bevel gear 20 is connected with lead screw 7, the lead screw spiral shell that the lead screw 7 connects
Mother 9 is fixed on vertically to sliding block 10, described vertical real to guide groove 8 on horizontal shore 6 to sliding block 10 from being fixed on vertically
It is now oriented to, described to be connected with spray head fixed structure 11 to sliding block 10 vertically, the spray head fixed structure 11 is connected with spray head manifold
15,15 obliquely downward of spray head manifold offers multiple spray heads 16.
In above-described embodiment, the two sides fixed frame 2 is fixed on lotus root digging harvester chassis 29, and in fixed frame 2 and lotus root digging harvester
29 coupling part of chassis is welded with reinforcing rib 30, and the fixed cross beam 4 connects two sides fixed frame 2 in top.
In above-described embodiment, the dual-rod hydraulic cylinder 5 is installed on the middle position of fixed cross beam 4, the dual-rod hydraulic cylinder 5
Both ends piston rod 21 be connected to the left and right sides horizontal direction sliding block 3.
In above-described embodiment, the bar diameter of the both ends piston rod 21 of the dual-rod hydraulic cylinder 5 is identical, and the two of dual-rod hydraulic cylinder 5
Side is provided with right oil port 27, left oil port 28.The disengaging direction of hydraulic oil is controlled by the reversal valve in hydraulic system to be realized；When left oil
When mouth 28 is used as oil outlet as oil inlet, right oil port 27, piston rod right side into diagram 4 in both ends is moved；When right oil port 27 is made
When for oil inlet, left oil port 28 as oil outlet, the left side movement into diagram 4 of both ends piston rod.To the left, move right process
In, the active area of hydraulic oil is always the difference that piston area subtracts rod areas, and hydraulic oil active area remains unchanged,
Therefore, when by HYDRAULIC CONTROL SYSTEM hydraulic working oil pressure and flow keep a timing, the speed of piston to the left, when moving right
Degree and thrust are equal.
In above-described embodiment, using dual-rod hydraulic cylinder 5, piston rod 21 bar diameter in both ends is identical, the forward and reverse movement speed of piston
Degree and thrust are equal.It can guarantee the horizontal direction sliding block 3 being connected on both ends piston rod 21 stress in respective guide groove 1 in this way
Balanced, movement at the uniform velocity, and then ensure that spray head 16 moves unanimously in reciprocating motion, increase the stability of lotus root digging harvester structure, ensures and dig
To penetrate area consistent always for water flow punching during the work time for lotus root machine.
In above-described embodiment, the hydraulic motor 13 is installed on the middle position of horizontal shore 6.
In above-described embodiment, the worm-drive unit includes worm screw 17, worm gear 18, worm gear drive shaft 12, the worm screw
Gear unit is deceleration transmission；The worm screw 17 is installed on 13 output shaft of hydraulic motor, and the worm gear 18 is installed on worm gear biography
On moving axis 12, the worm gear drive shaft 12 is connected on horizontal shore 6 by worm-drive shaft supporting frame 22.
In above-described embodiment, the worm-drive unit has self-locking performance.
In above-described embodiment, the bevel gear set includes first bevel gear 19, second bevel gear 20, the first bevel gear
19 intersect with 20 axis of second bevel gear in 90 °, and the first bevel gear 19 is installed on 12 end of worm gear drive shaft, and described second
Bevel gear 20 is installed on 7 upper end of lead screw, and 7 upper end of lead screw is connected to vertically to guide groove 8.
In above-described embodiment, the lead screw 7 is self-locking type lead screw.
In above-described embodiment, the power of the hydraulic motor 13 passes sequentially through worm-drive, lead screw transmission driving spray head 16
Realize and move back and forth, it is worm geared it is self-locking be superimposed with the self-locking of lead screw transmission, the spray head 16 by mechanical structure stabilization at
In on a certain height and position, the spray head 16 is higher than directly by the stability that mechanical structure is kept by hydraulic cylinder holding
Stability.
In above-described embodiment, the rotation of hydraulic motor 13 is converted to feed screw nut 9 than being driven by worm geared big retarding
Slow movement realize the accurate positioning to sprinkler height while by high-precision control of the lead screw 7 to moving distance.
It is described to be connected on horizontal shore 6 to guide groove 8 vertically in above-described embodiment, and relative to horizontal shore 6
It is arranged symmetrically.
In above-described embodiment, the spray head fixed structure 11 is connected to vertically on sliding block 10, and relative to horizontally-supported
Beam 6 is arranged symmetrically.
In above-described embodiment, 15 obliquely downward of spray head manifold offers multiple spray heads 16, between every adjacent two spray head 16
Away from for 200~400mm.The stroke of the both ends piston rod 21 of the dual-rod hydraulic cylinder 5 correspondingly also be 200~400mm, in this way with
It avoids rushing rushing for high-pressure jet of raising while penetrating repeatedly and penetrates area, make lotus rhizome be easy to float, improve excavation efficiency.
In above-described embodiment, water inlet 14 is offered above the spray head manifold 15, the quantity of the water inlet 14 is 2-5
A, the water inlet 14 is connected to the water pump delivery outlet on lotus root digging harvester by hose.The operational support lotus root digging harvester structure spray head W of hose
Type motion profile is achieved.
In above-described embodiment, the spray head manifold 15 is connected to spray head fixed structure 11, which includes that manifold connects
Connect support lower plate 23, manifold is connected and fixed axis 24, manifold connection support upper cover plate 25, manifold connection articulated shaft 26, the pipe
The connection support lower plate 23 that converges is fixed on spray head fixed structure 11, and manifold connection support lower plate 23 is connected hinged by manifold
The hinged manifold of axis 26 connection support upper cover plate 25, manifold are connected and fixed axis 24 and connect manifold connection support lower plate 23 with manifold
Support upper cover plate 25 is fixed.Manifold is connected and fixed axis 24 to extract, spray head manifold 15 can be rotated, so as to adjust spray head
16 axis and horizontal plane is formed by angle.Adjust the angle, adjustable mud rushed after trend, by calculate with
The more excellent solution of the angle is found out in practice, and lotus rhizome is made to be easy to float, and improves excavation efficiency.
In above-described embodiment, the spray head manifold length range is 2000mm~4200mm.
As shown in Fig. 6 a, b, c, d, four kinds of exemplary positions in the utility model embodiment are represented.In Fig. 6, guiding
Slot 1 is stationary as reference substance with two sides fixed frame 2；Spray head manifold 15 is in the most left of entire mechanism with spray head 16 in Fig. 6 a
Side and height position on the upper side, in Fig. 6 b spray head manifold 15 and spray head 16 be in entire mechanism the leftmost side and position highly on the lower side
It sets, spray head manifold 15 and spray head 16 are in the rightmost side of entire mechanism and the position that height is on the upper side, shower head pipe in Fig. 6 d in Fig. 6 c
The position on the lower side with the rightmost side and height that spray head 16 is in entire mechanism of remittance 15.
The working process of the utility model is as follows: firstly, starting lotus root digging harvester proceeds in lotus pool, and then lotus root digging harvester keeps former
Ground is motionless.Again, start hydraulic motor 13, power pass sequentially through worm-drive unit, bevel gear set, lead screw transmission be transferred to it is perpendicular
Directly to sliding block 10, hydraulic motor 13 is converted to the movement to sliding block 10 vertically, so as to adjust the height of spray head 16
To suitable position, hydraulic motor 13 is closed.Then, start dual-rod hydraulic cylinder 5, make it that spray head 16 be driven to move back and forth.Finally,
Lotus root digging harvester advances, and realizes lotus root-digging out operation.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Term " first ", " second ", "left", "right" in this specification etc. are only used for distinguishing description, and should not be understood as
Indication or suggestion relative importance.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of jetting type lotus root digging harvester structure, it is characterized in that: it includes door-type holder, the double rod liquid being mounted on door-type holder
Cylinder pressure, the guide groove being mounted on door-type holder have horizontal direction sliding block in the guide groove, and the horizontal direction sliding block is connected with
Horizontal shore, the horizontal shore downside are fixed with hydraulic motor, and the hydraulic motor output end is connected with worm-drive
Unit, worm-drive unit include worm screw, worm gear, worm gear drive shaft, and the worm gear drive shaft is connected with bevel gear set, the cone
Gear set is connected with lead screw, and the feed screw nut of the lead screw connection is fixed on vertically on sliding block, described vertically to sliding block by solid
It is oriented to due to vertical realized to guide groove on horizontal shore, it is described to be connected with spray head fixed structure to sliding block vertically, it is described
Spray head fixed structure is connected with spray head manifold, and spray head manifold obliquely downward offers multiple spray heads.
2. a kind of jetting type lotus root digging harvester structure according to claim 1, it is characterised in that: the door-type holder includes two sides
Fixed frame, fixed cross beam, the two sides fixed frame are fixed on lotus root digging harvester chassis, and the fixed cross beam is solid in top connection two sides
Determine frame.
3. according to claim 1 or a kind of 2 described in any item jetting type lotus root digging harvester structures, it is characterised in that: the double rod is hydraulic
Cylinder is installed on fixed cross beam middle position, and the both ends piston rod of the dual-rod hydraulic cylinder is connected to the horizontal direction of the left and right sides
The bar diameter of sliding block, the both ends piston rod of the dual-rod hydraulic cylinder is identical, and the forward and reverse movement velocity of piston and thrust are equal.
4. a kind of jetting type lotus root digging harvester structure according to claim 1, it is characterised in that: the hydraulic motor is installed on level
The middle position of supporting beam.
5. a kind of jetting type lotus root digging harvester structure according to claim 1, it is characterised in that: the worm-drive unit includes snail
Bar, worm gear, worm gear drive shaft, the worm-drive unit are deceleration transmission, and the worm screw is connected on hydraulic motor output end,
The worm gear is mounted on worm gear drive shaft, and the worm gear drive shaft is connected on horizontal shore, and the worm screw is self-locking snail
Bar.
6. a kind of jetting type lotus root digging harvester structure according to claim 1, it is characterised in that: the bevel gear set includes the first cone
Gear, second bevel gear, the first bevel gear intersect with second bevel gear axis in 90 °, and the first bevel gear is installed on
Worm gear drive shaft end, the second bevel gear are installed on lead screw end.
7. a kind of jetting type lotus root digging harvester structure according to claim 1, it is characterised in that: the lead screw is self-locking type lead screw,
Lead screw upper end is connected to vertically to guide groove.
8. a kind of jetting type lotus root digging harvester structure according to claim 1, it is characterised in that: described to be connected to vertically to guide groove
On horizontal shore, and it is arranged symmetrically relative to horizontal shore.
9. a kind of jetting type lotus root digging harvester structure according to claim 1, it is characterised in that: the spray head fixed structure is connected to
Vertically on sliding block, and it is arranged symmetrically relative to horizontal shore.
10. a kind of jetting type lotus root digging harvester structure according to claim 1, it is characterised in that: open spray head manifold obliquely downward
Equipped with multiple spray heads, the spacing per adjacent spray head is 200~400mm, and the axis of the spray head and the angle of horizontal plane can be adjusted
Whole, adjusting range is 45 °~90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663334.7U CN209089424U (en) | 2018-10-15 | 2018-10-15 | A kind of jetting type lotus root digging harvester structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663334.7U CN209089424U (en) | 2018-10-15 | 2018-10-15 | A kind of jetting type lotus root digging harvester structure |
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| Publication Number | Publication Date |
|---|---|
| CN209089424U true CN209089424U (en) | 2019-07-12 |
Family
ID=67155089
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821663334.7U Expired - Fee Related CN209089424U (en) | 2018-10-15 | 2018-10-15 | A kind of jetting type lotus root digging harvester structure |
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| CN (1) | CN209089424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109220155A (en) * | 2018-10-15 | 2019-01-18 | 中国石油大学胜利学院 | A kind of jetting type lotus root digging harvester structure |
| CN110859085A (en) * | 2019-12-03 | 2020-03-06 | 无为县白花莲家庭农场 | Automatic lotus root digging equipment |
-
2018
- 2018-10-15 CN CN201821663334.7U patent/CN209089424U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109220155A (en) * | 2018-10-15 | 2019-01-18 | 中国石油大学胜利学院 | A kind of jetting type lotus root digging harvester structure |
| CN110859085A (en) * | 2019-12-03 | 2020-03-06 | 无为县白花莲家庭农场 | Automatic lotus root digging equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20211015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |