CN108901253A - A kind of digging apparatus of the forestry with shock-absorbing function - Google Patents
A kind of digging apparatus of the forestry with shock-absorbing function Download PDFInfo
- Publication number
- CN108901253A CN108901253A CN201810592940.2A CN201810592940A CN108901253A CN 108901253 A CN108901253 A CN 108901253A CN 201810592940 A CN201810592940 A CN 201810592940A CN 108901253 A CN108901253 A CN 108901253A
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- Prior art keywords
- rod
- plate
- drilling rod
- threaded rod
- gear
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/04—Machines for making or covering holes for sowing or planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
Abstract
The invention discloses a kind of digging apparatus of forestry with shock-absorbing function,Including bottom plate,Drilling rod,Mounting rack,Second threaded rod,Belt pulley,Belt,Lifter plate,Mounting plate,Damping spring,Telescopic rod,It digs pit mechanism,Liquid manure case,Water pump and spray head,The mechanism of digging pit includes the second motor,First gear,Second gear,Drilling rod,4th threaded rod,Motion bar and scraper plate,The present invention is equipped with mechanism of digging pit,The distance between scraper plate and drilling rod can be adjusted by cooperation,Achieve the effect that adjust digged pit diameter,It is easy to operate,It is convenient and practical,Strong applicability,Equipped with damping spring and telescopic rod,When digging pit,Damping spring can play cushioning effect,Equipment is avoided to damage in the long-term use because of vibration,Equipped with liquid manure case,Water pump and spray head,It directly applies fertilizer after digging pit,Improve working efficiency,Mitigate intensity of workers.
Description
Technical field
The present invention relates to forestry equipment technical field, digging apparatus of specifically a kind of forestry with shock-absorbing function.
Background technique
Forestry, which refers to preserve the ecological environment, keeps ecological balance, and cultivates and conserves forests to obtain timber and other forest productss
Product, the production division that protective action is played using the natural characteristic of forest, are one of important components of national economy.Woods
Industry, by advanced science and technology and management means, is engaged in cultivation, protection, using the forest reserves, sufficiently in people and biosphere
A variety of benefits of forest, and the energy going concern forest reserves are played, population, economy, society, environment and resource coordination development are promoted
Infrastructural industries and work for the public good.
It in planting tree, is typically necessary and first digs pit, then just plant seedlings are put into hole and are transplanted.?
In existing digging apparatus, digged pit size on the one hand can not be adjusted, this results in being difficult to adapt to different plantation demands, also
It is exactly not have fertilizing functions, is all manually to apply fertilizer again after digging pit, working efficiency is low, intensity of workers
Greatly.
Summary of the invention
The purpose of the present invention is to provide a kind of digging apparatus of forestry with shock-absorbing function, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of forestry uses the digging apparatus with shock-absorbing function, including bottom plate and drilling rod, the bottom base plate to pacify on four angles
Equipped with idler wheel, plate upper surface is fixed with mounting rack, and two sides are equipped with the second threaded rod, the second threaded rod bottom end inside mounting rack
It is rotatablely connected by bearing and plate upper surface, the second threaded rod tip of mounting rack side passes through bearing block and mounting rack top
Rotation connection, the second threaded rod tip of the mounting rack other side are fixedly connected by shaft coupling with the output shaft of first motor, and two
The second threaded rod of root top is mounted on belt pulley, and belt is connected between two belt pulleys, is connected between two second threaded rods
Be connected to lifter plate, be equipped with mounting plate below the lifter plate, lifter plate bottom is equipped with more telescopic rods, the telescopic rod other end with
Mounting plate upper surface is fixedly connected, and telescopic rod outer cover is equipped with damping spring, and damping spring both ends are respectively at lifter plate and installation
Plate is fixedly connected, and the mounting plate bottom is equipped with mechanism of digging pit, and the through-hole for mechanism kinematic of digging pit, the digging are offered on bottom plate
Cheating mechanism includes the second motor, first gear, second gear, drilling rod, the 4th threaded rod, motion bar and scraper plate, second electricity
Machine is installed on mounting plate bottom side by bolt, and the output shaft end of the second motor is fixed with first gear, mounting plate bottom
It is intermediate that drilling rod is rotatably equipped with by bearing, cavity is equipped with inside drilling rod, drilling rod lower weld has helical blade, drilling rod top peace
Equipped with second gear, second gear is engaged with first gear, and drilling rod two sidewalls are between the upper and lower every being equipped with the 4th threaded rod, and the 4th
Threaded rod is rotatablely connected by bearing and drilling rod side wall, and the 4th threaded rod, which is located in the rod segment outside drilling rod, is arranged with second set
Cylinder, second sleeve are threadedly coupled with the 4th threaded rod, are fixedly connected with work between two second sleeves up and down of drilling rod the same side
Lever, by being fixedly connected with scraper plate between more, one end that the 4th threaded rod is located in drilling rod is equipped with for the motion bar other side
First bevel gear is equipped with shaft in drilling rod, and shaft top is through mounting plate and extends to above mounting plate, opens up on mounting plate
There is the second through-hole passed through for shaft, by being rotatablely connected at the top of bearing and drilling rod, shaft is located in the rod segment in drilling rod shaft
There are two second bevel gear, second bevel gear is located above first bevel gear and engages with first bevel gear for interval installation.
As a further solution of the present invention：The idler wheel is self-locking idler wheel.
As a further solution of the present invention：The bottom plate both ends are equipped with the first threaded rod, the first threaded rod and bottom
Plate is threadedly coupled.
As a further solution of the present invention：First threaded rod bottom end is welded with sharp portion, the first threaded rod tip
Handle is installed.
As a further solution of the present invention：The third threaded rod is rotatablely installed by bearing in two pieces of support plates,
Support plate is fixedly connected on lifter plate bottom.
As a further solution of the present invention：Cloth set is connected between the second sleeve end and drilling-rod external wall.
As a further solution of the present invention：It is located at through-hole two sides on the bottom plate and is mounted on spray head, is connected on spray head
There is distributive pipe, liquid manure case is fixedly installed at the top of the mounting rack, liquid manure box top is equipped with water supplement port, is equipped with water in liquid manure case
It pumps, water main is connected on water pump, the water main other end is connect by three-way connection with the distributive pipe on two spray heads.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is equipped with lifter plate, mounting plate, support rod, second
Motor, the second threaded rod, second sleeve and second connecting rod, the second motor drive the rotation of the second threaded rod, and the second threaded rod drives
Second sleeve rotation, second sleeve drive second connecting rod movement, and second connecting rod drives mounting plate around support rod and mounting plate
Hinge joint rotation, makes mounting plate run-off the straight, can adjust the angle of punching, can not only dig pit on level land, also can be not
Hillside fields with inclination angle is digged pit, to adapt to different terrain, equipped with mechanism of digging pit, mechanism of digging pit include the second motor, first gear,
Second gear, drilling rod, the 4th threaded rod, motion bar and scraper plate, the second motor drive first gear rotation, and first gear passes through the
Two gears drive drilling rod rotation, and drilling rod drives helical blade and scraper plate rotation, the hole that scraper plate can dig drilling rod and helical blade
Side wall soil further wipe off, when needing to adjust digged pit diameter, pass through handle rotating shaft, shaft drives the second cone
Gear rotation, second bevel gear drive the 4th threaded rod to rotate by first bevel gear, and the 4th threaded rod is to drive second set
Cylinder rotation, second sleeve drive motion bar and thereon scraper plate movement, i.e., adjusting the distance between scraper plate and drilling rod, reach adjusting
The effect for the diameter digged pit, easy to operate, convenient and practical, strong applicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the digging apparatus with shock-absorbing function is used in forestry.
Fig. 2 is the forestry structural schematic diagram for mechanism of digging pit in the digging apparatus with shock-absorbing function.
Fig. 3 is the partial enlarged view in Fig. 2
In figure：1- bottom plate, the first threaded rod of 2-, 3- handle, 4- mounting rack, the second threaded rod of 5-, 6- mounting plate, 7- connecting rod, 8-
Second motor, 9- lifter plate, 10- belt pulley, 11- belt, 12- liquid manure case, 13- water pump, 14- water main, 15- water supplement port, 16-
First motor, 17- handle, the second through-hole of 18-, 19- second gear, 20- scraper plate, 21- motion bar, 22- second sleeve, 23-
Four threaded rods, 24- helical blade, 25- idler wheel, 26- drilling rod, 27- first bevel gear, 28- second bevel gear, 29- shaft, 30-
First gear, the second motor of 31-, 32- through-hole, 33- distributive pipe, 34- spray head.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of the forestry digging apparatus with shock-absorbing function, including bottom plate
1 and drilling rod 22, idler wheel 25 is mounted on the angle of bottom plate 1 bottom four, and idler wheel 25 is self-locking idler wheel, facilitates whole device
Movement, 1 both ends of bottom plate are equipped with the first threaded rod 2, and the first threaded rod 2 is threadedly coupled with bottom plate 1,2 bottom of the first threaded rod
End is welded with sharp portion, and 2 top of the first threaded rod is equipped with handle 3, drives the rotation of the first threaded rod 2 by rotational handle 3, from
And 2 bottom end sharp portion of the first threaded rod is made to be pierced into ground, device is fixed, 1 upper surface of bottom plate is fixed with mounting rack 4, peace
It shelves 4 inside two sides and is equipped with the second threaded rod 5,5 bottom end of the second threaded rod is rotatablely connected by bearing and 1 upper surface of bottom plate,
5 top of the second threaded rod of 4 side of mounting rack at the top of bearing block and mounting rack 4 by being rotatablely connected, and the of 4 other side of mounting rack
Two threaded rods, 5 top is fixedly connected by shaft coupling with the output shaft of first motor 16, and two second threaded rod, 5 tops are respectively mounted
There is belt pulley 10, belt 11 is connected between two belt pulleys 10, is connected with lifter plate 9 between two second threaded rods 5, starts
First motor 16, first motor 16 drive two second threaded rods 5 are synchronous to turn by belt pulley 10 with the transmission of belt 11 cooperation
Dynamic, the second threaded rod 5 is equipped with mounting plate 6, lifter plate to drive lifter plate 9 to be moved upwardly or downwardly below the lifter plate 9
9 bottoms are equipped with more telescopic rods 8, and 8 other end of telescopic rod is fixedly connected with 6 upper surface of mounting plate, and 8 outer cover of telescopic rod is equipped with
Damping spring 7,7 both ends of damping spring are fixedly connected respectively at lifter plate 9 with mounting plate 6, and when digging pit, damping spring 7 can
Cushioning effect is played, equipment is avoided to damage in the long-term use because of vibration, 6 bottom of mounting plate is equipped with pit-picker
Structure, offers the through-hole 32 for mechanism kinematic of digging pit on bottom plate 1, the mechanism of digging pit include the second motor 31, first gear 30,
Second gear 19, drilling rod 26, the 4th threaded rod 23, motion bar 21 and scraper plate 20, second motor 31 are installed on by bolt
Mounting plate bottom side, the output shaft end of the second motor 31 are fixed with first gear 30, and mounting plate passes through bearing among 6 bottom
It is rotatably equipped with drilling rod 26, cavity is equipped with inside drilling rod 26,26 lower weld of drilling rod has helical blade 24, the installation of 26 top of drilling rod
There is second gear 19, second gear 19 is engaged with first gear 30, and 26 two sidewalls of drilling rod are between the upper and lower every being equipped with the 4th screw thread
Bar 23, the 4th threaded rod 23 are rotatablely connected by bearing and 26 side wall of drilling rod, and the 4th threaded rod 23 is located at the bar outside drilling rod 26
It is arranged with second sleeve 22 in section, cloth set is connected between 6 outer wall of 22 end of second sleeve and drilling rod, soil is avoided to be covered with the 4th
The external screw thread of threaded rod influences normal use, and second sleeve 22 is threadedly coupled with the 4th threaded rod 23,26 the same side of drilling rod it is upper
Motion bar 21 is fixedly connected between lower two second sleeves 22,21 other side of motion bar is scraped by being fixedly connected between more
Plate 20, one end that the 4th threaded rod 23 is located in drilling rod 26 are equipped with first bevel gear 27, shaft 29 are equipped in drilling rod 26, turn
29 top of axis is through mounting plate 6 and extends to 6 top of mounting plate, offers the second through-hole passed through for shaft 29 on mounting plate 6
18,29 top of shaft is welded with handle 17, and for shaft 29 by being rotatablely connected at the top of bearing and drilling rod 26, shaft 29 is located at drilling rod 26
Interval installation is there are two second bevel gear 28 in interior rod segment, and second bevel gear 28 is located above first bevel gear 27 and with first
Bevel gear 27 engages, and 32 two sides of through-hole are located on the bottom plate 1 and are mounted on spray head 34, distributive pipe 33 is connected on spray head 34,
It is fixedly installed with liquid manure case 12 at the top of the mounting rack 4, water supplement port 15 is equipped at the top of liquid manure case 12, is equipped with water pump in liquid manure case 12
13, water main 14 is connected on water pump 13,14 other end of water main passes through the distributive pipe 33 on three-way connection and two spray heads 34
Connection starts the second motor 31, and the second motor 31 drives first gear 30 to rotate, and first gear 30 is driven by second gear 19
Drilling rod 26 rotates, and drilling rod 26 drives helical blade 24 and scraper plate 20 to rotate, and scraper plate 20 can dig drilling rod 26 and helical blade 24
The side wall soil in hole further wipe off, when needing to adjust digged pit diameter, pass through 17 rotating shaft 29 of handle, shaft 29
Second bevel gear 28 is driven to rotate, second bevel gear 28 drives the rotation of the 4th threaded rod 23, the 4th spiral shell by first bevel gear 27
For rasp bar 23 to drive second sleeve 22 to rotate, second sleeve 22 drives motion bar 21 and scraper plate 20 thereon to move, that is, adjusts
The distance between scraper plate 16 and drilling rod 22 achieve the effect that adjust digged pit diameter, easy to operate, convenient and practical, applicability
By force.
The working principle of the invention is：In the use of the present invention, being moved to device to operating position, then start first
Motor 16 and the second motor 31, first motor 16 drive two second threaded rods by the transmission cooperation of belt pulley 10 and belt 11
5 rotate synchronously, and the second threaded rod 5 is digged pit to drive lifter plate 9 to move downward, while the second motor 31 drives first
Gear 30 rotates, and first gear 30 drives drilling rod 26 to rotate by second gear 19, and drilling rod 26 drives helical blade 24 and scraper plate
20 rotations, scraper plate 20 can further wipe the side wall soil in the hole that drilling rod 26 and helical blade 24 are dug off, when needing to adjust institute
When the diameter digged pit, by 17 rotating shaft 29 of handle, shaft 29 drives second bevel gear 28 to rotate, and second bevel gear 28 passes through
First bevel gear 27 drives the rotation of the 4th threaded rod 23, and the 4th threaded rod 23 is to drive second sleeve 22 to rotate, second sleeve
22 drive motion bars 21 and scraper plate 20 thereon to move, i.e. adjusting the distance between scraper plate 16 and drilling rod 22, reach to adjust and be dug
The effect of the diameter in hole, it is easy to operate, it is convenient and practical, after the completion of strong applicability is digged pit, starts water pump 13, Water fertilizer pump is become owner of into water
It is then sprayed by spray head 34 in pipe 14, is directly applied fertilizer after digging pit, improve working efficiency, mitigate intensity of workers.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of forestry digging apparatus with shock-absorbing function, including bottom plate（1）And drilling rod（22）, which is characterized in that it is described
Bottom plate（1）Bottom four is mounted on idler wheel on angle（25）, bottom plate（1）Upper surface is fixed with mounting rack（4）, mounting rack（4）It is interior
Portion two sides are equipped with the second threaded rod（5）, the second threaded rod（5）Bottom end passes through bearing and bottom plate（1）Upper surface rotation connection, peace
It shelves（4）Second threaded rod of side（5）Top passes through bearing block and mounting rack（4）Top rotation connection, mounting rack（4）It is another
Second threaded rod of side（5）Top passes through shaft coupling and first motor（15）Output shaft be fixedly connected, two second threaded rods
（5）Top is mounted on belt pulley（10）, two belt pulleys（10）Between be connected with belt（11）, two second threaded rods（5）
Between be connected with lifter plate（9）, the lifter plate（9）Lower section is equipped with mounting plate（6）, lifter plate（9）Bottom is equipped with more and stretches
Contracting bar（8）, telescopic rod（8）The other end and mounting plate（6）Upper surface is fixedly connected, telescopic rod（8）Outer cover is equipped with damping spring
（7）, damping spring（7）Both ends are respectively at lifter plate（9）And mounting plate（6）It is fixedly connected, the mounting plate（6）Bottom, which is equipped with, to be dug
Cheat mechanism, bottom plate（1）On offer for the through-hole of mechanism kinematic of digging pit（32）, the mechanism of digging pit includes the second motor（31）,
First gear（30）, second gear（19）, drilling rod（26）, the 4th threaded rod（23）, motion bar（21）And scraper plate（20）, described
Two motors（31）Mounting plate bottom side, the second motor are installed on by bolt（31）Output shaft end be fixed with first gear
（30）, mounting plate（6）Drilling rod is rotatably equipped with by bearing among bottom（26）, drilling rod（26）Inside is equipped with cavity, drilling rod
（26）Lower weld has helical blade（24）, drilling rod（26）Top is equipped with second gear（19）, second gear（19）With first
Gear（30）Engagement, drilling rod（26）Two sidewalls are between the upper and lower every being equipped with the 4th threaded rod（23）, the 4th threaded rod（23）Pass through
Bearing and drilling rod（26）Side wall rotation connection, the 4th threaded rod（23）Positioned at drilling rod（26）Second set is arranged in external rod segment
Cylinder（22）, second sleeve（22）With the 4th threaded rod（23）It is threadedly coupled, drilling rod（26）Two second sleeves up and down of the same side
（22）Between be fixedly connected with motion bar（21）, motion bar（21）The other side is by being fixedly connected with scraper plate between more（20）,
4th threaded rod（23）Positioned at drilling rod（26）Interior one end is equipped with first bevel gear（27）, drilling rod（26）Inside it is equipped with shaft
（29）, shaft（29）Mounting plate is run through on top（6）And extend to mounting plate（6）Top, mounting plate（6）On offer for shaft
（29）The second through-hole passed through（18）, shaft（29）Pass through bearing and drilling rod（26）Top rotation connection, shaft（29）Positioned at brill
Bar（26）There are two second bevel gears for interval installation in interior rod segment（28）, second bevel gear（28）Positioned at first bevel gear（27）
Top and and first bevel gear（27）Engagement.
2. digging apparatus of the forestry according to claim 1 with shock-absorbing function, which is characterized in that the idler wheel（25）
For self-locking idler wheel.
3. digging apparatus of the forestry according to claim 1 with shock-absorbing function, which is characterized in that the bottom plate（1）
Both ends are equipped with the first threaded rod（2）, the first threaded rod（2）With bottom plate（1）It is threadedly coupled.
4. digging apparatus of the forestry according to claim 3 with shock-absorbing function, which is characterized in that first screw thread
Bar（2）Bottom end is welded with sharp portion, the first threaded rod（2）Top is equipped with handle（3）.
5. digging apparatus of the forestry according to claim 1 with shock-absorbing function, which is characterized in that the third screw thread
Bar（12）It is rotatablely installed by bearing in two pieces of support plates, support plate is fixedly connected on lifter plate（9）Bottom.
6. digging apparatus of the forestry according to claim 1 with shock-absorbing function, which is characterized in that the second sleeve
（22）End and drilling rod（6）Cloth set is connected between outer wall.
7. digging apparatus of the forestry according to claim 1 with shock-absorbing function, which is characterized in that the bottom plate（1）
It is upper to be located at through-hole（32）Two sides are mounted on spray head（34）, spray head（34）On be connected with distributive pipe（33）, the mounting rack（4）Top
Portion is fixedly installed with liquid manure case（12）, liquid manure case（12）Top is equipped with water supplement port（15）, liquid manure case（12）It is interior to be equipped with water pump（13）,
Water pump（13）On be connected with water main（14）, water main（14）The other end passes through three-way connection and two spray heads（34）On divide water
Pipe（33）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810592940.2A CN108901253A (en) | 2018-06-11 | 2018-06-11 | A kind of digging apparatus of the forestry with shock-absorbing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810592940.2A CN108901253A (en) | 2018-06-11 | 2018-06-11 | A kind of digging apparatus of the forestry with shock-absorbing function |
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| CN108901253A true CN108901253A (en) | 2018-11-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810592940.2A Pending CN108901253A (en) | 2018-06-11 | 2018-06-11 | A kind of digging apparatus of the forestry with shock-absorbing function |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109644624A (en) * | 2018-12-30 | 2019-04-19 | 合肥茗满天下茶叶有限公司 | A kind of agricultural production automatic sowing device |
| CN109819855A (en) * | 2019-01-28 | 2019-05-31 | 宝鸡松良农业科技有限公司 | A kind of cultural method of the wild rhizoma gymnadeniae of High aititude |
| CN110313270A (en) * | 2019-07-24 | 2019-10-11 | 农业农村部南京农业机械化研究所 | Plant equipment of digging pit |
| CN110521337A (en) * | 2019-10-09 | 2019-12-03 | 张勤 | A kind of reducing of novel pit-picker is digged pit method |
| CN110622655A (en) * | 2019-11-06 | 2019-12-31 | 岑超 | Forestry digging device |
| CN112243636A (en) * | 2020-10-15 | 2021-01-22 | 天津大学 | Automatic dig hole and make earth machine |
| CN112489885A (en) * | 2020-12-07 | 2021-03-12 | 安徽维尔特仪表线缆有限公司 | Cable processing mount pad of adjustable fixed specification |
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| CN114208443A (en) * | 2021-12-23 | 2022-03-22 | 李海领 | Sapling is transplanted and digs cave device for environmental protection forestry engineering |
| CN114503809A (en) * | 2022-01-13 | 2022-05-17 | 沧州智语达建筑装饰工程有限公司 | Automatic digging equipment for tree planting in landscaping engineering construction |
| CN116965271A (en) * | 2023-09-22 | 2023-10-31 | 青州市亚泰农业科技有限公司 | Water-saving irrigation and fertilization equipment for greenhouse |
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Application publication date: 20181130 |