CN201104390Y - Machine for wrenching, furrowing and spreading mulch film of farmland forest shelter belt - Google Patents
Machine for wrenching, furrowing and spreading mulch film of farmland forest shelter belt Download PDFInfo
- Publication number
- CN201104390Y CN201104390Y CNU2007201175403U CN200720117540U CN201104390Y CN 201104390 Y CN201104390 Y CN 201104390Y CN U2007201175403 U CNU2007201175403 U CN U2007201175403U CN 200720117540 U CN200720117540 U CN 200720117540U CN 201104390 Y CN201104390 Y CN 201104390Y
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- root
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- furrowing
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- cutting
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Abstract
The utility model discloses a farmland shelterbelt root-cutting furrowing filming machine, comprising a suspension bracket, a frame, and a left depth wheel and a right depth wheel; wherein, the left depth wheel and the right depth wheel arranged on the frame can adjust height; an obstacle-breaking root-cutting spade is arranged on the front bottom of the frame vertically; on the same longitudinal plane with the obstacle-breaking root-cutting spade, a front group of furrowing root-cutting parts and a rear group of furrowing root-cutting parts are arranged under the frame backward in series; the obstacle-breaking root-cutting spade and the two groups of furrowing root-cutting parts comprise a hierarchically-deepening configuration along the vertical direction backward; a filming device is connected with the rear group of furrowing root-cutting parts. The farmland shelterbelt root-cutting furrowing filming machine has the advantages: the farmland shelterbelt root-cutting furrowing filming machine is suitable for farmland shelterbelt root-cutting furrowing vertically-filming, fruit tree rows furrowing filming, and roadside shelterbelt furrowing filming and filming waterproof; the farmland shelterbelt root-cutting furrowing filming machine cuts off roots and furrows hierarchically, and lays plastic film automatically and vertically; the farmland shelterbelt root-cutting furrowing filming machine has the advantages of high operation efficiency and easy operation.
Description
Technical field
The utility model belongs to a kind of ditching machinery, especially relates to a kind of energy echelon and cuts off the machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland that tree root be opened narrow automatically vertical lay plastic film of ditch while.
Background technology
In recent years, some novel trenchers have obtained application, also once design many outstanding technical schemes at the trencher performance technically.For example, Chinese patent publication number CN2931583Y, in open day on August 8th, 2007, the name of innovation and creation is called ' a kind of trencher ', and this application case discloses a kind of trencher.This trencher comprises main frame, body frame, oil cylinder and colter, colter has two, be separated by before and after two colters and be fixed on the bottom surface of body frame, when the ditching state, the embedded depth of back colter is darker than preceding colter embedded depth, and adjustable soil distributing apparatus is installed on two colters, is fixed with probe on the bottom surface of described body frame between main frame and preceding colter, when the ditching state, preceding colter embedded depth is darker than the probe embedded depth.This technical scheme efficiently solves the technical problem that ditching speed is fast, simplify the structure.But part still has some deficits: the ditching width is big, digs to the face of land in a large number, destroys soil vegetative cover, easily causes water and soil loss, and tree root cuts off irregular, can not be in the trend ditch vertical lay plastic film, the root system barrier effect is poor.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of echelon to cut off tree root and opens narrow ditch, automatically vertical simultaneously lay plastic film, operating efficiency height, machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland simple and easy to operate.
For achieving the above object, the utility model adopts following technical proposals: the utility model machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland comprises hanger bracket, frame and rack-mounted left and right two height-adjustable gauge wheels.Below being positioned at frame front the broken shovel of being completely cured that hinders is installed vertically, this breaks the spade concave arc place that hinders the shovel of being completely cured the cutter of being completely cured is installed, and this cutter crosssection shape design of being completely cured is an acute triangle, and this breaks spade front end that hindering is completely cured shovels dismountable scalpriform shovel head is housed; Be in the same fore-and-aft plane with this broken barrier shovel of being completely cured, two groups of trench diggings are cut root spare before and after installing successively backward below frame, and the two groups of trench diggings of shovel and described front and back of should broken barrier being completely cured are cut root spare and vertically constituted echelon backward and deepen configuration; Cutting root spare with described back group trench digging joins the shop film device is set, this shop film device is by the film roll shaft, the film volume, the film roller seat, the cuticula case, interior fagging, guide post, plastic film, collapser, end sledge iron is formed, the cuticula case is designed to vertical flat lumen shape structure, the rear side of root spare is cut in its anterior tipping at described back group trench digging, this cuticula case bottom is vertically sealed by end sledge iron, be obliquely installed interior fagging in the cuticula case, being positioned at this cuticula case is that fulcrum turns forward guide post is set with sledge iron posterior end, the end, and become the β inclination angle between this guide post center line and the horizontal plane, this β inclination angle is 15～75 °; The film roll shaft is installed in the upper end of described frame, former and later two film roller seats of suit on it are installed the film volume at these former and later two film roller seat upper supports, and this cuticula upper box part is provided with longitudinal opening, this longitudinal opening transverse shapes is designed to V-arrangement, and the longitudinal opening size is corresponding with described film volume; This cuticula box back vertical outlet place connects collapser, this collapser is by last space bar, right clamping plate, left side clamping plate, following space bar constitutes, by space bar on this and following space bar, make on described right clamping plate and the left clamping plate, lower end closed, make collapser constitute cavity, this collapser rear end forms vertical film outlet port, the setting angle of described film roll shaft center line is coordinated mutually with the β inclination angle between this guide post center line and the horizontal plane, guarantee that plastic film is drop-down by end entrance on the cuticula case, walk around guide post and make this plastic film be converted to horizontal direction by former direction, this plastic film is pulled out by collapser rear end film outlet port level.
As the utility model machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland, it can be respectively that a trench digging is cut the root shovel that the two groups of trench diggings in these front and back are cut root spare, the cutter of being completely cured is respectively installed at the spade concave arc place that these former and later two trench diggings are cut the root shovel, and the spade front end that these former and later two trench diggings are cut the root shovel respectively is equipped with dismountable scalpriform shovel head.
As the utility model machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland, it can also be respectively that a trench digging is cut the root assembly that the two groups of trench diggings in these front and back are cut root spare, these former and later two trench diggings are cut the root assembly and are cut the root cutter by former and later two spades and two respectively and constitute, former and later two spades are upper and lower is connected as one for this, the lateral surface of these former and later two spades symmetry staggered each fix one and cut the root cutter, this cuts root cutter crosssection shape design is the sharp shape of single-blade, and the front end of these two preceding spades respectively is equipped with dismountable scalpriform shovel head.
Further improvement as the utility model machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland, on described film volume, warning system is set, report to the police when clean at film, this warning system comprises an end and frame hinged feeler lever and extension spring, be arranged on float switch on the feeler lever, be arranged on fixed contact, power supply and alarm on the frame, the other end of described extension spring is articulated on the feeler lever, described extension spring is used to strain feeler lever to be overlayed at film it to roll up all the time, described fixed contact is used for film and connects float switch when clean, and described alarm is used for output alarm signal;
Wherein, an end of this float switch links to each other with the output of alarm, and the other end of this float switch links to each other with the input of power supply, and the output of described power supply links to each other with the input of alarm.
In a preferred embodiment, the β inclination angle is 45 ° between this guide post center line and the horizontal plane, and film roll shaft level is installed in the upper end of described frame.
Further improvement as the utility model machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland, the front side concave arc crosssection shape design of described former and later two spades is the inclined-plane, the lopsidedness of cutting the root cutter is not installed to described former and later two spades respectively in this inclined-plane, and it is circular arc that described former and later two spades are not installed the rear side arm of angle crosssection shape design of cutting root cutter one side.
After adopting technique scheme, the beneficial effect that the machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland that the utility model provides has is: owing to adopt former and later two trench diggings that vertically constitute echelon intensification configuration backward to cut the root assembly.During operation, the broken barrier that the is positioned at the front broken barrier of shovel shallow-layer of being completely cured is completely cured, two trench diggings of its back are cut the root assembly and are progressively buried and cut root and leave narrow ditch, cut root assembly and each trench digging and cut between former and later two spades of root assembly and form vertically circuitous soil stream at be completely cured shovel and former and later two trench diggings of broken barrier, can the fast shut-off tree root open narrow ditch and do not produce and stop up and outside ditch, dig, while two trench diggings are cut the root cutter of cutting in the root assembly outside and are further cleared up the stubble of being completely cured, and make it to turn forward, along with advancing of tractor, plastic film constantly is drawn out from the film device of shop, the soil that the plastic film that is drawn out is refluxed rapidly is vertically fixed on underground, with the root system of plastic film both sides, the soil blocking-up.Therefore, the realization one-stop operation is finished the cut-out tree root and is opened narrow ditch, automatically vertical lay plastic film, and the operating efficiency height, simple and easy to operate.Compared with prior art, can raise the efficiency 30 times.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the utility model;
Fig. 2 is the end view of Fig. 1 or Fig. 6;
Fig. 3 is the cutaway view along B-B line among Fig. 1;
Fig. 4 is the cutaway view along A-A line among Fig. 1 or Fig. 6;
Fig. 5 is that D among Fig. 1 or Fig. 6 is to view;
Fig. 6 is the structural representation of second embodiment of the utility model;
Fig. 7 is the cutaway view along C-C line among Fig. 6;
Fig. 8 the utility model machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland warning system schematic diagram;
Fig. 9 is the cutaway view along F-F line among Fig. 6.
Among the figure: hanger bracket 1 frame 2 scalpriform shovels 3 broken barrier shovel 4 trench diggings of being completely cured are cut root and are shoveled 5 gauge wheels, 6 film roll shafts, 7 films and roll up 8 film roller seats, 9 cuticula casees, 10 interior fagging 11 guide posts 12 plastic sheetings 13 collapsers 14 end sledge iron 15 cutter 16 trench diggings of being completely cured and cut root assembly 17 spades 18,19 and cut 23 times space bars of space bar 21 right clamping plate 22 left clamping plate, 24 film outlet ports, 25 feeler levers, 26 extension springs, 27 float switches, 28 fixed contacts, 29 power supplys, 30 alarms 31 on the root cutter 20
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
As shown in Figure 1 and Figure 2, provided the structural representation of first embodiment of the utility model machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland, comprised hanger bracket 1, frame 2 and be installed in left and right two height-adjustable gauge wheels 6 on the frame 2.Be positioned at the broken shovel 4 of being completely cured that hinders of the vertical installation of frame 2 lower front, the cutter 16 of being completely cured is installed at the spade concave arc place that should brokenly hinder the shovel 4 of being completely cured, these cutter 16 crosssection shape design of being completely cured are acute triangle, and be completely cured spade front end of shovel 4 of this broken barrier is equipped with dismountable scalpriform shovel 3; Be in the same fore-and-aft plane with this broken shovel 4 of being completely cured that hinders, former and later two trench diggings are installed below frame 2 are backward successively cut root shovel 5, and should broken barrier be completely cured shovel 4 and described former and later two trench diggings are cut root shovel 5 and are vertically constituted echelon backward and deepen configuration, the cutter 16 of being completely cured is respectively installed at the spade concave arc place that these former and later two trench diggings are cut root shovel 5, and the spade front end that these former and later two trench diggings are cut root shovel 5 respectively is equipped with dismountable scalpriform shovel 3.In Fig. 1 and Fig. 4, to cut root shovel 5 with described post-trenching and join the shop film device is set, this shop film device is made up of film roll shaft 7, film volume 8, film roller seat 9, cuticula case 10, interior fagging 11, guide post 12, plastic film 13, collapser 14, end sledge iron 15.Cuticula case 10 is designed to vertical flat lumen shape structure, the rear side of root shovel 5 is cut in its anterior tipping at described post-trenching, these cuticula case 10 bottoms are vertically sealed by end sledge iron 15, fagging 11 in being obliquely installed in the cuticula case 10, being positioned at this cuticula case 10 is that fulcrum turns forward guide post 12 is set with sledge iron 15 posterior ends, the end, and becomes the β inclination angle between these guide post 12 center lines and the horizontal plane, and this β inclination angle is 15～75 °, to adopt 30～60 ° to be advisable, preferably adopt 45 °.Film roll shaft 7 is installed in the upper end of described frame 2, former and later two film roller seats 9 of suit on it, at these former and later two film roller seat 9 upper supports film volume 8 is installed, these cuticula case 10 tops are provided with longitudinal opening, this longitudinal opening transverse shapes is designed to V-arrangement, and longitudinal opening size and described film are rolled up 8 corresponding.This vertical outlet place, cuticula case 10 rear end connects collapser 14, as shown in Figure 5, this collapser 14 is made of last space bar 21, right clamping plate 22, left clamping plate 23, following space bar 24, by space bar on this 21 and following space bar 24, make the sealing of described right clamping plate 22 and left clamping plate 23 upper and lower ends, make collapser 14 constitute cavity, these collapser 14 rear ends form vertical film outlet port 25.As shown in Figure 1, the setting angle of described film roll shaft 7 center lines is coordinated mutually with the β inclination angle between these guide post 12 center lines and the horizontal plane, guarantee that plastic film 13 is drop-down by end entrance on the cuticula case 10, walking around guide post 12 makes this plastic film 13 be converted to horizontal direction by former direction, this plastic film 13 is pulled out by collapser 14 rear end film outlet ports 25 levels, when the β inclination angle was 45 ° between guide post 12 center lines and the horizontal plane, film roll shaft 7 levels were installed in the upper end of described frame 2.
Fig. 6 has provided the structural representation of second embodiment of the utility model machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland, has wherein adopted the two groups of trench diggings in another kind of front and back to cut root spare.It is respectively that a trench digging is cut root assembly 17 that the two groups of trench diggings in these front and back are cut root spare, these former and later two trench diggings are cut root assembly 17 and are cut root cutter 20 by 18,19 and two of former and later two spades respectively and constitute, these former and later two spade 18,19 upper and lower being connected as one, the lateral surface of these former and later two spades 18,19 symmetry staggered each fix one and cut root cutter 20, as shown in Figure 7, this cuts root cutter 20 crosssection shape design is the sharp shape of single-blade, and the front end of these two preceding spades 18 respectively is equipped with dismountable scalpriform shovel 3.
Further improvement as machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland, as shown in Figure 8, on described film volume 8, warning system is set, report to the police when clean at film, this warning system comprises feeler lever 26 and the extension spring 27 that an end and frame 2 are hinged, be arranged on the float switch 28 on the feeler lever 26, be arranged on the fixed contact 29 on the frame 2, power supply 30 and alarm 31, the other end of described extension spring 27 is articulated on the feeler lever 26, described extension spring 27 is used to strain feeler lever 26 overlays all the time at film volume 8 it, described fixed contact 29 is used for film and connects float switch 28 when clean, and described alarm 31 is used for output alarm signal;
Wherein, an end of this float switch 28 links to each other with the output of alarm 31, and the other end of this float switch 28 links to each other with the input of power supply 30, and the output of described power supply 30 links to each other with the input of alarm 31.
Further improvement as machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland, as shown in Figure 9, the front side concave arc crosssection shape design of described former and later two spades 18,19 is the inclined-plane, the lopsidedness of cutting root cutter 20 is not installed to described former and later two spades 18,19 respectively in this inclined-plane, and it is circular arc that described former and later two spades 18,19 are not installed the rear side arm of angle crosssection shape design of cutting root cutter 20 1 sides.
The course of work of the present utility model is: machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland is under the traction of tractor, the broken barrier that the is positioned at the front broken barrier of shovel 4 shallow-layers of being completely cured is completely cured, two groups of its back trench diggings are cut root spare and are progressively buried and cut root and leave narrow ditch, and embedded depth is regulated by gauge wheel.After reaching designated depth, plastic film one end is fixed, and along with advancing of tractor, plastic film constantly is drawn out from the film device of shop, the soil that the plastic film that is drawn out is refluxed rapidly is vertically fixed on underground, with root system, the soil blocking-up of plastic film both sides.
In the film operation process of trench digging shop, extension spring 27 tension feeler levers 26 overlay on film volume 8 it all the time, the position of feeler lever 26 produces swing from large to small with film volume 8, when film is used when clean, feeler lever 26 is pressed on the fixed contact 29, fixed contact 29 is connected float switch 28, and the warning system circuit is connected, alarm 31 output alarm signals.
Claims (6)
1, a kind of machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland, comprise hanger bracket (1), frame (2) and be installed in left and right two height-adjustable gauge wheels (6) on the frame (2), it is characterized in that: be positioned at the broken shovel (4) of being completely cured that hinders of the vertical installation of frame (2) lower front, the cutter of being completely cured (16) is installed at the spade concave arc place that should brokenly hinder the shovel (4) of being completely cured, this cutter of being completely cured (16) crosssection shape design is an acute triangle, and this broken spade front end that hinders the shovel (4) of being completely cured is equipped with dismountable scalpriform shovel head (3); Be in the same fore-and-aft plane with this broken shovel (4) of being completely cured that hinders, two groups of trench diggings are cut root spare before and after installing successively backward in frame (2) below, and the two groups of trench diggings of shovel (4) and described front and back of should broken barrier being completely cured are cut root spare and vertically constituted echelon backward and deepen to dispose; Cutting root spare with described back group trench digging joins the shop film device is set, this shop film device is by film roll shaft (7), film volume (8), film roller seat (9), cuticula case (10), interior fagging (11), guide post (12), plastic film (13), collapser (14), end sledge iron (15) is formed, cuticula case (10) is designed to vertical flat lumen shape structure, the rear side of root spare is cut in its anterior tipping at described back group trench digging, this cuticula case (10) bottom is by vertically sealing of end sledge iron (15), be obliquely installed interior fagging (11) in the cuticula case (10), being positioned at this cuticula case (10) is that fulcrum turns forward guide post (12) is set with end sledge iron (15) posterior end, and become the β inclination angle between this guide post (12) center line and the horizontal plane, this β inclination angle is 15～75 °; Film roll shaft (7) is installed in the upper end of described frame (2), former and later two film roller seats (9) of suit on it, at these former and later two film roller seat (9) upper supports film volume (8) is installed, this cuticula case (10) top is provided with longitudinal opening, this longitudinal opening transverse shapes is designed to V-arrangement, and the longitudinal opening size is corresponding with described film volume (8); This vertical outlet place, cuticula case (10) rear end connects collapser (14), this collapser (14) is by last space bar (21), right clamping plate (22), left side clamping plate (23), following space bar (24) constitutes, by space bar on this (21) and following space bar (24), make on described right clamping plate (22) and the left clamping plate (23), lower end closed, make collapser (14) constitute cavity, this collapser (14) rear end forms vertical film outlet port (25), the setting angle of described film roll shaft (7) center line is coordinated mutually with the β inclination angle between this guide post (12) center line and the horizontal plane, it is drop-down to guarantee that plastic film (13) is gone up end entrance by cuticula case (10), walk around guide post (12) and make this plastic film (13) be converted to horizontal direction by former direction, this plastic film (13) is pulled out by collapser (14) rear end film outlet port (25) level.
2, machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland according to claim 1, it is characterized in that: it is respectively that a trench digging is cut root shovel (5) that the two groups of trench diggings in these front and back are cut root spare, the cutter of being completely cured (16) is respectively installed at the spade concave arc place that these former and later two trench diggings are cut root shovel (5), and the spade front end that these former and later two trench diggings are cut root shovel (5) respectively is equipped with dismountable scalpriform shovel head (3).
3, machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland according to claim 1, it is characterized in that: it is respectively that a trench digging is cut root assembly (17) that the two groups of trench diggings in these front and back are cut root spare, these former and later two trench diggings are cut root assembly (17) respectively by former and later two spades (18,19) and two cut root cutter (20) and constitute, these former and later two spades (18,19) on, lower link is an one, these former and later two spades (18,19) lateral surface symmetry staggered each fix one and cut root cutter (20), this cuts root cutter (20) crosssection shape design is the sharp shape of single-blade, and the front end of these two preceding spades (18) respectively is equipped with dismountable scalpriform shovel head (3).
4, according to any one described machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland in the claim 1 to 3, it is characterized in that: on described film volume (8), warning system is set, report to the police when clean at film, this warning system comprises an end and hinged feeler lever (26) and the extension spring (27) of frame (2), be arranged on the float switch (28) on the feeler lever (26), be arranged on the fixed contact (29) on the frame (2), power supply (30) and alarm (31), the other end of described extension spring (27) is articulated on the feeler lever (26), described extension spring (27) is used to strain feeler lever (26) overlays all the time at film volume (8) it, described fixed contact (29) is used for film and connects float switch (28) when clean, and described alarm (31) is used for output alarm signal;
Wherein, an end of this float switch (28) links to each other with the output of alarm (31), and the other end of this float switch (28) links to each other with the input of power supply (30), and the output of described power supply (30) links to each other with the input of alarm (31).
5, machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland according to claim 4 is characterized in that: the β inclination angle is 45 ° between this guide post (12) center line and the horizontal plane, and film roll shaft (7) level is installed in the upper end of described frame (2).
6, machine for furrowing and spreading mulch film and pruning root for shelter belt in farmland according to claim 3, it is characterized in that: the front side concave arc crosssection shape design of described former and later two spades (18,19) is the inclined-plane, this inclined-plane is not installed to described former and later two spades (18,19) respectively and is cut the lopsidedness of root cutter (20), and it is circular arc that described former and later two spades (18,19) are not installed the rear side arm of angle crosssection shape design of cutting root cutter (20) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201175403U CN201104390Y (en) | 2007-11-30 | 2007-11-30 | Machine for wrenching, furrowing and spreading mulch film of farmland forest shelter belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201175403U CN201104390Y (en) | 2007-11-30 | 2007-11-30 | Machine for wrenching, furrowing and spreading mulch film of farmland forest shelter belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201104390Y true CN201104390Y (en) | 2008-08-27 |
Family
ID=39956162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201175403U Expired - Lifetime CN201104390Y (en) | 2007-11-30 | 2007-11-30 | Machine for wrenching, furrowing and spreading mulch film of farmland forest shelter belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201104390Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102282923A (en) * | 2011-07-05 | 2011-12-21 | 华南农业大学 | Biased oblique-cutting-type root digging shovel |
| CN112056137A (en) * | 2020-10-12 | 2020-12-11 | 东北林业大学 | Soil facade tectorial membrane device and laminating machine thereof |
-
2007
- 2007-11-30 CN CNU2007201175403U patent/CN201104390Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102282923A (en) * | 2011-07-05 | 2011-12-21 | 华南农业大学 | Biased oblique-cutting-type root digging shovel |
| CN112056137A (en) * | 2020-10-12 | 2020-12-11 | 东北林业大学 | Soil facade tectorial membrane device and laminating machine thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071130 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |