CN105709889A - Banana tree crushing device - Google Patents
Banana tree crushing device Download PDFInfo
- Publication number
- CN105709889A CN105709889A CN201610220179.0A CN201610220179A CN105709889A CN 105709889 A CN105709889 A CN 105709889A CN 201610220179 A CN201610220179 A CN 201610220179A CN 105709889 A CN105709889 A CN 105709889A
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- China
- Prior art keywords
- mentioned
- tool rest
- banana tree
- cutter hub
- cutter
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/06—Uprooting or pulling up trees; Extracting or eliminating stumps
- A01G23/067—Uprooting or pulling up trees; Extracting or eliminating stumps by comminuting the tree stumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention provides a banana tree crushing device. The banana tree crushing device comprises a machine base. A rotary cutter base is arranged below the machine base. The machine base is provided with a hydraulic motor controlling the cutter base to rotate. The cutter base is of a hollow cylinder structure extending in the vertical direction of the machine base. A first cutter located in a cutter base middle cavity is fixedly arranged in the cutter base. The first cutter is of a cylindrical structure extending in the vertical direction of the cutter base. A second cutter with the cutting edge in the center axis direction of the cutter base is arranged on the inner side wall of the cutter base. Compared with the prior art, after being used in cooperation with a hydraulic excavator, the banana tree crushing device can directly conduct mechanical crushing treatment on a banana tree on banana tree planting land, manual chopping and excavating treatment is not needed, the mechanical automatic operation is adopted for replacing the traditional manual operation, the treatment speed of the banana tree is high, labor is saved, and other field land cannot be occupied. The problems that due to traditional manual treatment, time and labor are wasted, the field is occupied, and the environment pollution is caused are avoided.
Description
Technical field
The present invention relates to field of agricultural machinery, particularly to a kind of breaker that Banana tree is crushed.
Background technology
Fructus Musae is a kind of famous tropical fruit (tree), China mainly plant area based on Guangdong, Hainan, Guangxi, Fujian, Yunnan.It is known that Banana tree can progressively be downloaded along with the extension yield of plantation time, therefore, Banana tree yield after Fructus Musae is gathered in the crops 2,3 years can sharply decline, and thus, Banana tree need to be cut down and again plant by banana peasant, for banana peasant, Banana tree cleaning is one and bothers the thing overtaxed one's nerves again.It is reported, banana peasant processes the way of Banana tree and is: first manually cut down the aerial parts of Banana tree；Next is moved out being piled up in field, more manually the under ground portion of Banana tree is excavated and carried and be piled up in field, incinerates after waiting the Banana tree of field withered.This kind of processing mode, has labor strength big, and treatment effeciency is low, processes the defect of required time length, and Banana tree can produce substantial amounts of smog when burning and cause environmental pollution.
In view of this, the problems referred to above are furtherd investigate by the present inventor, are then produced by this case.
Summary of the invention
It is an object of the invention to provide a kind of Banana tree breaker, Banana tree directly can be carried out Mechanical Crushing process by it on Banana tree planting site, without artificial manual process, and the disintegrating slag after broken directly rests on soil, increase the soil organism and weight gaining soil fertility, it is to avoid conventionally employed artificial treatment causes the problem taken up an area and can cause environmental pollution that wastes time and energy.
The technical solution adopted in the present invention is such that a kind of Banana tree breaker, including support, the tool rest being connected with rotating of above-mentioned support, above-mentioned support is provided with and controls the hydraulic motor that tool rest rotates, above-mentioned tool rest is in the hollow cylinder structure extended along support above-below direction, the first cutter hub being in tool rest intermediate cavity it is installed with in above-mentioned tool rest, the column structure that above-mentioned first cutter hub extends in the above-below direction along tool rest, the medial wall of above-mentioned tool rest is provided with the second cutter hub of its blade central axial direction towards tool rest.
Above-mentioned support has base plate and is in plate upper surface, and two wing plates that relative spacing is arranged, two wing plates are provided with the installing hole of symmetrical setting, above-mentioned hydraulic motor is erect and is arranged on the upper surface of base plate, and the output shaft of above-mentioned hydraulic motor is arranged down, the output shaft of above-mentioned tool rest and above-mentioned hydraulic pressure horse pressure is in transmission connection.
The bottom surface locking of above-mentioned base plate has bearing block, above-mentioned bearing block is hollow circular cylinder structure, in the hollow chamber of above-mentioned bearing block, rotation is installed, and erect the rotating shaft of setting, the end, upper end of the output shaft of above-mentioned hydraulic motor and above-mentioned rotating shaft is fixed together, above-mentioned rotating shaft is installed in the hollow chamber of above-mentioned bearing block by being sheathed on thrust bearing outside rotating shaft and ball bearing, above-mentioned thrust bearing and ball bearing are provided with two, two ball bearings are between two thrust bearings, the lower end of above-mentioned rotating shaft extends to the port, lower end of above-mentioned bearing block, the end face of above-mentioned tool rest is closed form, the lower end of the end face of above-mentioned tool rest and above-mentioned rotating shaft locks together.
Above-mentioned support is installed with the protective cover being sheathed on outside above-mentioned tool rest; between lateral wall and the medial wall of above-mentioned protective cover of above-mentioned tool rest, there is spacing; above-mentioned protective cover is the hollow cylinder structure extended along the above-below direction of tool rest; and the lower end port of above-mentioned protective cover is open state, the lower end port of above-mentioned protective cover is in below the lower end of above-mentioned tool rest.
Above-mentioned first cutter hub is surrounded by some triangular blades are one-body molded, and each triangular blade surrounds the sharp column structure of from top to bottom convergent, the lateral wall of above-mentioned first cutter hub is concavely provided with the spiral alveolar risen that from bottom to top spirals.
The lateral wall of above-mentioned tool rest offers through hole, the lateral wall of above-mentioned tool rest is provided with several group of holes, each group of holes is constituted along the spaced above-mentioned through hole of above-below direction of tool rest by several, each group of holes is along the circumferential direction spacer ring of above-mentioned tool rest around distribution, and above-mentioned tool rest is provided with above-mentioned second cutter hub corresponding to all or part of through hole of each group of holes.
Above-mentioned second cutter hub is corner block structure, the small end of above-mentioned second cutter hub is in the hollow chamber of above-mentioned tool rest, the big end end of above-mentioned second blade is in above-mentioned through hole, above-mentioned tool rest is positioned at each above-mentioned group of holes place and locks respectively and have the lateral wall with tool rest to be affixed to coordinate, and along the knife bar that the above-below direction of tool rest extends, in above-mentioned group of holes, the lower end of the second blade in each through hole is all one-body molded with the cutter hub at this group of holes place is connected.
Adopt after technique scheme, a kind of Banana tree breaker of the present invention, during installation, support be arranged on without on the forearm of the hydraulic crawler excavator of bucket, with hydraulic crawler excavator with the use of, and the hydraulic oil of hydraulic motor provides by hydraulic crawler excavator；During use, start hydraulic motor, hydraulic motor drives tool rest to rotate, the rotation of tool rest also coordinates the oscilaltion of hydraulic pressure small arm of digger, the decline of tool rest makes the partial portion of Banana tree be in the hollow chamber of tool rest, now the center of the Banana tree that the first cutter hub on tool rest is pointed in tool rest carries out break process, and the periphery that the second cutter hub is pointed in tool rest Banana tree, along carrying out break process, makes the position that Banana tree is positioned at tool rest be able to all broken.Compared with prior art, its with hydraulic crawler excavator with the use of after on Banana tree planting site, directly Banana tree can be carried out Mechanical Crushing process, without cutting manually, digging process, mechanical automation operation is adopted to substitute traditional manual operations, the processing speed making Banana tree is fast, and laborsaving, other soil, field will not be taken, it is to avoid conventionally employed artificial treatment causes the problem taken up an area and can cause environmental pollution that wastes time and energy；And utilize the first cutter hub and the second cutter hub can make the crushing effect of Banana tree preferably, make the disintegrating slag crushed directly to rest on soil, be used for increasing the soil organism and weight gaining soil fertility, be conducive to the plantation of next Banana tree.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the present invention；
Fig. 2 is the axonometric chart of another state of the present invention；
Fig. 3 is the sectional view of the present invention；
Fig. 4 is the axonometric chart of tool rest in the present invention；
Fig. 5 is the axonometric chart of the first cutter hub in the present invention.
In figure:
Support 1 base plate 11
Wing plate 12 installing hole 121
Bearing block 13 tool rest 2
Through hole 21 hydraulic motor 3
First cutter hub 4 spiral alveolar 41
Cutter block 42 second cutter hub 5
Rotating shaft 6 thrust bearing 71
Ball bearing 72 knife bar 8
Protective cover 9 spacing 100
Detailed description of the invention
A kind of Banana tree breaker of the present invention, as Figure 1-5, including support 1, the tool rest 2 being connected with rotating of support 1, support 1 is provided with and controls the hydraulic motor 3 that tool rest 2 rotates, tool rest 2 is in the hollow cylinder structure extended along support above-below direction, the first cutter hub 4 being in tool rest 2 intermediate cavity it is installed with in tool rest 2, the column structure that first cutter hub 4 extends in the above-below direction along tool rest 2, the medial wall of tool rest 2 is provided with the second cutter hub 5 of its blade central axial direction towards tool rest 2.
Preferably: support 1 has base plate 11 and is in base plate 11 upper surface, and two wing plates 12 that relative spacing is arranged, two wing plates 12 are provided with the installing hole 121 of symmetrical setting, the cooperation utilizing two wing plates 12 and installing hole 121 can realize the support 1 installation on hydraulic crawler excavator forearm, hydraulic motor 3 is erect and is arranged on the upper surface of base plate 11, the output shaft of hydraulic motor 3 is arranged down, and tool rest 2 presses the output shaft of 3 to be in transmission connection with hydraulic pressure horse.
Particularly: the bottom surface locking of base plate 11 has bearing block 13, bearing block 13 is in hollow circular cylinder structure, in the hollow chamber of bearing block 13, rotation is installed, and erect the rotating shaft 6 of setting, the output shaft lower end of hydraulic motor 3 stretches into interior and with rotating shaft 6 the end, upper end of upper end port of bearing block 13 and is fixed together, rotating shaft 6 is installed in the hollow chamber of bearing block 13 by being sheathed on thrust bearing 71 outside rotating shaft 6 and ball bearing 72, thrust bearing 71 and ball bearing 72 are provided with two, two ball bearings 72 are between two thrust bearings 71, what utilize two thrust bearings and ball bearing coordinates the installation that can make rotating shaft 6 comparatively firm, the lower end of rotating shaft 6 extends to the port, lower end of bearing block 13, the end face of tool rest 2 is closed form, the lower end of the end face of tool rest 2 and rotating shaft 6 is locked together by bolt.
The first described cutter hub 4 is made up of some triangular blades, each triangular blade constitutes the obelisk structure of from top to bottom convergent, the lateral wall of the first cutter hub 4 is concavely provided with the spiral alveolar 41 risen that from bottom to top spirals, the setting of this spiral alveolar 41 makes each triangular blade be respectively formed on a cutter block 42, and namely each cutter block 42 of the first cutter hub 4 is in distribution of from bottom to top spiraling.
The lateral wall of described tool rest 2 offers through hole 21, the lateral wall of tool rest 2 is provided with several group of holes, each group of holes is constituted along the spaced through hole 21 of above-below direction of tool rest 2 by several, each group of holes is along the circumferential direction spacer ring of tool rest 2 around distribution, and tool rest 2 is provided with the second described cutter hub 5 corresponding to all or part of through hole 21 place of each group of holes；Preferably, tool rest 2 is best adopts polyhedral structure, every one side of tool rest 2 all offers along upper and under spaced through hole 21, each through hole 21 in every one side all becomes a group of holes, the polyhedron of tool rest 2 to arrange can facilitate second installation of cutter hub 5 and offering of through hole 21.
The second described cutter hub 5 is in corner block structure, the small end (i.e. the sharp end of the second cutter hub 5) of the second cutter hub 5 is in the hollow chamber of tool rest 2, and towards the central axis direction of tool rest 2, the end greatly (i.e. the planar ends of the second cutter hub 5) of the second blade 5 is in through hole 21, tool rest 2 is positioned at each group of holes place and locks respectively and have the lateral wall with tool rest 2 to be affixed to coordinate, and along the knife bar 8 that the above-below direction of tool rest 2 extends, in group of holes, the lower end of the second blade 5 in each through hole 21 is all one-body molded with the knife bar 8 at this group of holes place is connected.
A kind of Banana tree breaker of the present invention, during installation, is arranged on without on the forearm of the hydraulic crawler excavator of bucket by support 1, with hydraulic crawler excavator with the use of, and the hydraulic oil of hydraulic motor 3 provides by hydraulic crawler excavator；During use, start hydraulic motor 3, hydraulic motor 3 drives rotating shaft 6 to rotate, the rotation of rotating shaft 6 drives tool rest 2 to rotate, the rotation of tool rest 2 also coordinates the oscilaltion of hydraulic pressure small arm of digger, make tool rest 2 while rotating in the partial portion extending downwardly into Banana tree, now the center of the Banana tree that the first cutter hub 4 on tool rest 2 is pointed in tool rest 2 carries out break process, second cutter hub 5 along carrying out break process, makes the position that Banana tree is positioned at tool rest 2 be able to all broken corresponding to the periphery of Banana tree in tool rest 2.
A kind of Banana tree breaker of the present invention, has the advantages that
One, itself and hydraulic crawler excavator with the use of after directly can walk at Banana tree planting site, and directly Banana tree is carried out Mechanical Crushing process, without cutting manually, digging process, mechanical automation operation is adopted to substitute traditional manual operations, the processing speed making Banana tree is fast, and laborsaving, other soil, field will not be taken, it is to avoid conventionally employed artificial treatment causes the problem taken up an area and can cause environmental pollution that wastes time and energy；
Two, the centre of Banana tree in tool rest 2 and week can be made to crush along position by the first cutter hub 4 and the second cutter hub 5 simultaneously, crushing effect is preferably, so that broken disintegrating slag can directly rest on soil, it is used for increasing the soil organism and weight gaining soil fertility, is conducive to the plantation of next Banana tree；
Three, the first cutter hub 4 can being made can to stretch into Banana tree center comparatively smooth and easy, rapidly by the cone dress of the first cutter hub 4 and the distribution mode of each cutter block 42 and carry out break process, processing speed is fast；
Four, hydraulic motor 3 shares a hydraulic system with hydraulic crawler excavator, and the assembling making hydraulic motor 3 is more convenient, simple and easy；
Five, control the rotating of tool rest 2 by hydraulic motor 3 to make tool rest 2 single direction rotate the broken disintegrating slag produced can to throw away from each through hole 21, play scarfing cinder effect, it is to avoid tool rest 2 has disintegrating slag and leaves over and the crushing effect that affects the first cutter hub 4 and the second cutter hub 5；
Six, one-body molded by each second cutter hub 5 and knife bar 8, the removable installation of knife bar 8 and the removable installation of tool rest 2 can facilitate tool rest and cutter hub split to take replacing apart, and maintenance cost is low.
In the present invention; this support 1 is installed with the protective cover 9 being sheathed on outside tool rest 2; the shape of protective cover 9 matches with the shape of tool rest 2; the hollow cylinder structure of extension is bribed in the upper and lower along tool rest 2; the base plate 11 of the end face of protective cover 9 and support 1 locks together; the lower end of rotating shaft 6 extends in protective cover 9; between lateral wall and the medial wall of protective cover 9 of tool rest 2, there is spacing 100; and the lower end port of protective cover 9 is open state, the lower end port of protective cover 9 is in below the lower end of tool rest 2；So, the stop of the disintegrating slag of tool rest 2 outside splash when Banana tree being carried out broken or a large amount of fiber liquid meeting protective cover 9 of Banana tree is made outwards splash to fall to directly down between field by protective cover 9, it is to avoid the phenomenon that disintegrating slag and fiber liquid disorderly fly.
The product form of above-described embodiment and the graphic and non-limiting present invention and style, any person of an ordinary skill in the technical field is to its suitably change done or modifies, and all should be regarded as the patent category without departing from the present invention.
Claims (7)
1. a Banana tree breaker, it is characterized in that: include support, the tool rest being connected with rotating of above-mentioned support, above-mentioned support is provided with and controls the hydraulic motor that tool rest rotates, above-mentioned tool rest is in the hollow cylinder structure extended along support above-below direction, the first cutter hub being in tool rest intermediate cavity it is installed with in above-mentioned tool rest, the column structure that above-mentioned first cutter hub extends in the above-below direction along tool rest, the medial wall of above-mentioned tool rest is provided with the second cutter hub of its blade central axial direction towards tool rest.
2. a kind of Banana tree breaker according to claim 1, it is characterized in that: above-mentioned support has base plate and is in plate upper surface, and two wing plates that relative spacing is arranged, two wing plates are provided with the installing hole of symmetrical setting, above-mentioned hydraulic motor is erect and is arranged on the upper surface of base plate, and the output shaft of above-mentioned hydraulic motor is arranged down, the output shaft of above-mentioned tool rest and above-mentioned hydraulic pressure horse pressure is in transmission connection.
3. a kind of Banana tree breaker according to claim 2, it is characterized in that: the bottom surface locking of above-mentioned base plate has bearing block, above-mentioned bearing block is hollow circular cylinder structure, in the hollow chamber of above-mentioned bearing block, rotation is installed, and erect the rotating shaft of setting, the end, upper end of the output shaft of above-mentioned hydraulic motor and above-mentioned rotating shaft is fixed together, above-mentioned rotating shaft is installed in the hollow chamber of above-mentioned bearing block by being sheathed on thrust bearing outside rotating shaft and ball bearing, above-mentioned thrust bearing and ball bearing are provided with two, two ball bearings are between two thrust bearings, the lower end of above-mentioned rotating shaft extends to the port, lower end of above-mentioned bearing block, the end face of above-mentioned tool rest is closed form, the lower end of the end face of above-mentioned tool rest and above-mentioned rotating shaft locks together.
4. a kind of Banana tree breaker according to claim 1; it is characterized in that: above-mentioned support is installed with the protective cover being sheathed on outside above-mentioned tool rest; between lateral wall and the medial wall of above-mentioned protective cover of above-mentioned tool rest, there is spacing; above-mentioned protective cover is the hollow cylinder structure extended along the above-below direction of tool rest; and the lower end port of above-mentioned protective cover is open state, the lower end port of above-mentioned protective cover is in below the lower end of above-mentioned tool rest.
5. a kind of Banana tree breaker according to claim 1, it is characterized in that: above-mentioned first cutter hub is surrounded by some triangular blades are one-body molded, each triangular blade surrounds the sharp column structure of from top to bottom convergent, and the lateral wall of above-mentioned first cutter hub is concavely provided with the spiral alveolar risen that from bottom to top spirals.
6. a kind of Banana tree breaker according to claim 1, it is characterized in that: the lateral wall of above-mentioned tool rest offers through hole, the lateral wall of above-mentioned tool rest is provided with several group of holes, each group of holes is constituted along the spaced above-mentioned through hole of above-below direction of tool rest by several, each group of holes is along the circumferential direction spacer ring of above-mentioned tool rest around distribution, and above-mentioned tool rest is provided with above-mentioned second cutter hub corresponding to all or part of through hole of each group of holes.
7. a kind of Banana tree breaker according to claim 6, it is characterized in that: above-mentioned second cutter hub is corner block structure, the small end of above-mentioned second cutter hub is in the hollow chamber of above-mentioned tool rest, the big end end of above-mentioned second blade is in above-mentioned through hole, above-mentioned tool rest is positioned at each above-mentioned group of holes place and locks respectively and have the lateral wall with tool rest to be affixed to coordinate, and along the knife bar that the above-below direction of tool rest extends, in above-mentioned group of holes, the lower end of the second blade in each through hole is all one-body molded with the cutter hub at this group of holes place is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220179.0A CN105709889B (en) | 2016-04-11 | 2016-04-11 | A kind of Banana tree breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220179.0A CN105709889B (en) | 2016-04-11 | 2016-04-11 | A kind of Banana tree breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105709889A true CN105709889A (en) | 2016-06-29 |
| CN105709889B CN105709889B (en) | 2018-09-11 |
Family
ID=56159834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610220179.0A Active CN105709889B (en) | 2016-04-11 | 2016-04-11 | A kind of Banana tree breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN105709889B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111480548A (en) * | 2020-05-20 | 2020-08-04 | 王智飞 | Attached formula root cleaning device is used in road clearance |
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| CN105145284A (en) * | 2015-10-21 | 2015-12-16 | 湖州园林绿化有限公司 | Plant root cleaning device |
| CN105432425A (en) * | 2015-12-17 | 2016-03-30 | 重庆东源农业开发有限公司 | Rotation type bamboo root digging device |
| CN205550444U (en) * | 2016-04-11 | 2016-09-07 | 泉州市劲力工程机械有限公司 | Banana tree breaker |
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2016
- 2016-04-11 CN CN201610220179.0A patent/CN105709889B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282677Y (en) * | 2008-10-24 | 2009-08-05 | 北京林业大学 | Stump cleaning machine |
| US9137955B1 (en) * | 2009-10-22 | 2015-09-22 | Charlie VanDusartz | Grinding device |
| US20150068645A1 (en) * | 2010-11-04 | 2015-03-12 | J & S Fabrication Inc. | Tree stump removal device |
| CN105107585A (en) * | 2015-09-11 | 2015-12-02 | 重庆市永川区天堂化工厂 | Smashing device for manufacturing compound fertilizer |
| CN105145284A (en) * | 2015-10-21 | 2015-12-16 | 湖州园林绿化有限公司 | Plant root cleaning device |
| CN105432425A (en) * | 2015-12-17 | 2016-03-30 | 重庆东源农业开发有限公司 | Rotation type bamboo root digging device |
| CN205550444U (en) * | 2016-04-11 | 2016-09-07 | 泉州市劲力工程机械有限公司 | Banana tree breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111480548A (en) * | 2020-05-20 | 2020-08-04 | 王智飞 | Attached formula root cleaning device is used in road clearance |
| CN111480548B (en) * | 2020-05-20 | 2021-12-07 | 商河方元水质净化有限公司 | Attached formula root cleaning device is used in road clearance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105709889B (en) | 2018-09-11 |
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