CN110521426A - A kind of Garden Engineering vehicle - Google Patents
A kind of Garden Engineering vehicle Download PDFInfo
- Publication number
- CN110521426A CN110521426A CN201910980040.XA CN201910980040A CN110521426A CN 110521426 A CN110521426 A CN 110521426A CN 201910980040 A CN201910980040 A CN 201910980040A CN 110521426 A CN110521426 A CN 110521426A
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- Prior art keywords
- arm
- hydraulic
- unit
- chain saw
- hinged
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- 239000003921 oil Substances 0.000 claims 3
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000001727 in vivo Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 241001647280 Pareques acuminatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
- A01G3/086—Chain saws
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention belongs to and garden equipment field, disclose a kind of Garden Engineering vehicle, including car body, further include setting cockpit on the car body, can the turning units of 360 ° of revolutions, setting on the car body for driving turning unit lifting, being swung on vertical plane, in the sawed-off chain saw unit of the horizontal plane mechanical arm unit to stretch, the clamping jaw unit for clamping trees being connected on turning unit, the trees for clamping clamping jaw unit being connected on turning unit.The Garden Engineering vehicle can accurately cut off branch.
Description
Technical field
The present invention relates to garden equipment field, especially a kind of Garden Engineering vehicle.
Background technique
In southern area, there are several Landed Typhoons every year, after Landed Typhoon, will cause a large amount of trees and fall
Volt, blocks the traffic.
In order to improve the ability that typhoon is resisted in urban afforestation, need to repair the branch of high hat trees before typhoon
It cuts, in the prior art, sawed-off branch after trimming is mostly lifted people by lifting device.
The operational danger is high, the degree of automation is low, and operating efficiency is slow.
Technical problems to be solved in this application are: 1, how to remove cutting branch；2, how branch is accurately cut off.
Summary of the invention
The object of the present invention is to provide a kind of Garden Engineering vehicle, which can accurately cut off branch.
Technical solution provided by the invention are as follows: a kind of Garden Engineering vehicle, including car body further include being arranged on the car body
Cockpit, can 360 ° revolution turning units, setting on the car body for drive turning unit lifting, on vertical plane swing,
The mechanical arm unit that stretches in horizontal plane, can 360 ° of revolutions turning units, be connected on turning unit for clamping trees
Clamping jaw unit, the sawed-off chain saw unit of the trees for clamping clamping jaw unit that are connected on turning unit.
In above-mentioned Garden Engineering vehicle, the cockpit is liftable cockpit.
In above-mentioned Garden Engineering vehicle, it is described machinery arm unit include the first arm, the second arm, third arm, described first
Arm and car body hingedly and by the first hydraulic-driven module drive in vertical plane are swung；Second arm and the first arm are hinged, institute
It states the second arm and is swung by the second hydraulic-driven module drive in vertical plane；The third arm and the second arm are slidably matched, described
Third arm is flexible along the second arm by third hydraulic-driven module；The turning unit and third arm are hinged, the turning unit
It is swung around the articulated position with third arm in vertical plane by the 4th hydraulic-driven module.
In above-mentioned Garden Engineering vehicle, one end of the second hydraulic-driven module is hinged on the first arm, and described
The other end of two hydraulic-driven modules is hinged on the top of the second arm；The middle and upper part of second arm and the end hinge of the first arm
It connects.
In above-mentioned Garden Engineering vehicle, the inside of second arm is hollow cavity, and the third arm is arranged in hollow cavity
It is interior to be slidably matched with the second arm；The setting third hydraulic-driven module in the hollow cavity；The third hydraulic-driven module
Power output end and third arm at the top of be fixedly connected.
In above-mentioned Garden Engineering vehicle, the turning unit and third arm pass through a four-bar linkage structure and the 4th hydraulic drive
The power output end of dynamic model block connects；
The four-bar linkage structure include first connecting rod, second connecting rod, be arranged in turning unit top connecting plate and
A part of the free end of third arm；
The first connecting rod, second connecting rod, connecting plate, the end of third arm, on third arm by the position of proximal end, first
Connecting rod, which is sequentially connected, constitutes the four-bar linkage structure；The power output end and first connecting rod of the 4th hydraulic-driven module and
Hinge bar between two connecting rods is hinged.
In above-mentioned Garden Engineering vehicle, the 4th hydraulic-driven module is fixed on the second arm, and the described 4th is hydraulic
Drive module is fixed on the second arm, and the turning unit includes platform body, the shaft connecting with platform body, matches with shaft
The bearing of conjunction, the first hydraulic motor for being connected with the rotating shaft retarder, being connect with retarder；The bearing is fixed on a shell
It is interior, the connecting plate is fixedly connected on the shell；The lower surface of the platform body be fixedly connected the clamping jaw unit and
Chain saw unit.
In above-mentioned Garden Engineering vehicle, the clamping jaw unit by be connected to platform body lower surface clamping jaw fixed plate,
First corpus unguis, the second corpus unguis, oil cylinder composition, the top of first corpus unguis, the top of the second corpus unguis are equipped with swing arm, the oil
Cylinder, oil cylinder power output end be respectively hinged in two swing arms, the end of swing arm passes through connection the first corpus unguis of axis connection and the
The middle part of two corpus unguis；The top of first corpus unguis and the second corpus unguis is hinged with clamping jaw fixed plate respectively.When cylinder action, oil
Cylinder will push the first corpus unguis, the second corpus unguis on the contrary or move toward one another, and realizes clamping or unclamps；The chain saw unit is arranged first
Corpus unguis, the second corpus unguis clamping zone end outside.
In above-mentioned Garden Engineering vehicle, the chain saw unit includes being connected to the chain saw of platform body lower surface to fix
Plate, chain saw plate, the chain saw blade that chain saw plate periphery is set, the second hydraulic motor being fixedly connected in chain saw fixed plate；Institute
Chain saw blade is stated to drive by the second hydraulic motor；The lower surface of the platform body is also hinged with for drive chain saw plate around
Second hydraulic cylinder of the power output end rotation of two hydraulic motors；To be connected to second hydraulic by connecting bearing for the chain saw plate
On motor；The connecting plate and connection bearing between be equipped with swing connecting plate, the power output end of second hydraulic cylinder and
Swing connecting plate connection.
In above-mentioned Garden Engineering vehicle, the cockpit includes cockpit ontology, third hydraulic cylinder, pivoted arm, described
Cockpit ontology is fixed on pivoted arm, and the power output end of the third hydraulic cylinder is hinged on pivoted arm and third hydraulic cylinder
Hingedly on the car body.
The present invention is after adopting the above technical scheme, it has the beneficial effect that
This programme has fully taken into account that the growth of branch present in present garden maintenance and emergency repair is irregular, trees are close
The existing drawback of inconsistent existing tradition machinery trimming is spent, can will be pressed from both sides by liftable and flexible mechanical arm unit
Pawl unit, chain saw unit are sent to any height, any depth of tree crown, while can control any vertical angle of turning unit
Degree；Clamping jaw unit, 360 ° of chain saw unit rotations may be implemented by turning unit.By above-mentioned improvement, may be implemented for appointing
The arbitrary height of branch, any angle of anticipating go to cut, and improve operation accuracy, reduce operation difficulty.
Detailed description of the invention
Fig. 1 is the main view of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of the mechanical arm unit of the embodiment of the present invention 1；
Fig. 3 is the partial enlarged view of Fig. 2 of the embodiment of the present invention 1；
Fig. 4 is the schematic diagram of the clamping jaw unit of the embodiment of the present invention 1；
Fig. 5 is the schematic diagram of the clamping jaw unit of the embodiment of the present invention 1；
Fig. 6 is the chain saw unit bottom view of the embodiment of the present invention 1；
Fig. 7 is the side view of the embodiment of the present invention 1.
Specific embodiment
With reference to embodiment, technical solution of the present invention is described in further detail, but do not constituted pair
Any restrictions of the invention.
Embodiment 1:
With reference to Fig. 1-7, a kind of Garden Engineering vehicle, including car body 1 further includes the cockpit 6 being arranged on car body 1, can
The turning unit 2 of 360 ° of revolutions is arranged on car body 1 for driving the lifting of turning unit 2, swinging on vertical plane, in level
The flexible mechanical arm unit 3 in face, is connected to turning unit at the clamping jaw unit 4 for clamping trees being connected on turning unit 2
The sawed-off chain saw unit 5 of trees for clamping clamping jaw unit 4 on 2.
In operation, operator first has to the case where observation tree crown, and investigating should be from which angle for target branch
Spend de-clamping and cutting.After observation, this vehicle can be operated and cut, it specifically, first will by mechanical arm unit 3
Turning unit 2 is sent to setting height, and then turning unit 2 is sent to close to the position of branch by operating robotic arm unit 3, then grasps
Make the vertical angles that mechanical arm unit 3 swings turning unit 2,4 front of clamping jaw unit has been achieved directly to target branch.Adjustment
The angle of turning unit 2, when opening clamping jaw unit 4, target branch just face clamping zone.Then proceed to operating robotic arm
Unit 3 send forward the continuation of turning unit 2 until branch is placed in clamping zone by clamping jaw unit 4.Then clamping jaw unit 4 is embraced
Branch, the sawed-off branch of chain saw unit 5.
So the scheme of the present embodiment can be gone from any angle close to branch, as long as the space near branch allows.
That is this vehicle can not discounted completion as long as we have selected a feasible direction and angle.It operates essence
Degree is high, easy to operate.
Preferably, the cockpit 6 is liftable cockpit 6.The lifting of cockpit 6 is to improve operator
Visual field adjustability can be to avoid some visions by the lifting of cockpit 6 because the operation of the present embodiment is precision operation
Dead angle.
In the present embodiment, the mechanical arm unit 3 includes the first arm 31, the second arm 32, third arm 33, first arm
31 and car body 1 it is hinged and swung by the driving of the first hydraulic-driven module 34 in vertical plane；Second arm 32 and the first arm 31
Hingedly, second arm 32 is driven by the second hydraulic-driven module 35 and is swung in vertical plane；The third arm 33 and the second arm
32 are slidably matched, and the third arm 33 is flexible along the second arm 32 by third hydraulic-driven module 36；The turning unit 2 and
Three arms 33 are hinged, and the turning unit 2 is by the 4th hydraulic-driven module 37 around the articulated position with third arm 33 in vertical plane
It swings.The depth that turning unit 2 highly adjusts, protrudes into tree crown may be implemented in the combination of first arm 31, the second arm 32, third arm 33
Adjustment.Turning unit 2 may be implemented in the swing angle of vertical plane in 4th hydraulic-driven module 37.
It by mechanical arm unit 3 may be implemented that turning unit 2 is driven to go up and down, be swung on vertical plane, flexible in horizontal plane.
Preferably, one end of the second hydraulic-driven module 35 is hinged on the first arm 31, second hydraulic-driven
The other end of module 35 is hinged on the top of the second arm 32；The middle and upper part of second arm 32 and the end of the first arm 31 hinge
It connects, the inside of second arm 32 is hollow cavity, and the setting of third arm 33 is slidably matched in hollow cavity with the second arm 32；Institute
State the setting third hydraulic-driven module 36 in hollow cavity；The power output end and third of the third hydraulic-driven module 36
The top of arm 33 is fixedly connected.
As the further preferred of the present embodiment, the turning unit 2 and third arm 33 pass through a four-bar linkage structure and the
The power output end of four hydraulic-driven modules 37 connects；
The four-bar linkage structure include first connecting rod 38, second connecting rod 39, be arranged in turning unit 2 top connecting plate
20 and third arm 33 free end a part；
The first connecting rod 38, connecting plate 20, the end of third arm 33, leans on proximal end on third arm 33 at second connecting rod 39
Position, first connecting rod 38 is sequentially connected and constitutes the four-bar linkage structure；The power output of the 4th hydraulic-driven module 37
End and the hinge bar 30 between first connecting rod 38 and second connecting rod 39 are hinged.
The stability that turning unit 2 is swung in vertical plane can be improved in the structure of double leval jib, passes through the 4th hydraulic-driven mould
Block 37 goes the angle for driving first connecting rod 38 and second connecting rod 39 simultaneously, and turning unit 2 may be implemented in the angle tune of vertical plane
It is whole, angle adjustment be it is stepless, may be implemented angle adjustment accurate control.
It is further preferable that the 4th hydraulic-driven module 37 is fixed on the second arm 32, the turning unit 2 includes flat
Playscript with stage directions body 21, the shaft 22 being connect with platform body 21, with the bearing 23 cooperated of shaft 22, the retarder that is connect with shaft 22
24, the first hydraulic motor 25 being connect with retarder 24；The bearing 23 is fixed in a shell, is fixedly connected on the shell
There is the connecting plate 20；The lower surface of the platform body 21 is fixedly connected with the clamping jaw unit 4 and chain saw unit 5.It is operating
In the process, 37 drive shell of the 4th hydraulic-driven module is swung on vertical plane, and the first hydraulic motor 25 drives platform sheet
Body 21 carries out 360 ° and is freely rotated, and by the design, can carry out the accurate control of the angle of revolution of clamping jaw unit 4, chain saw unit 5
System.
In the present embodiment, the specific structure of clamping jaw unit 4 are as follows: the clamping jaw by being connected to 1 lower surface of platform body is fixed
Plate 41, the first corpus unguis 42, the second corpus unguis 43, oil cylinder 44 form, and the top of first corpus unguis 42, the top of the second corpus unguis 43 are equal
Equipped with swing arm 45, the oil cylinder 44, oil cylinder 44 power output end be respectively hinged in two swing arms 45, the end of swing arm 45 is logical
Cross the middle part that connecting shaft 46 connects the first corpus unguis 42 and the second corpus unguis 43；The top part of first corpus unguis 42 and the second corpus unguis 43
Not and clamping jaw fixed plate 41 is hinged.When oil cylinder 44 acts, oil cylinder 44 will push that the first corpus unguis 42, the second corpus unguis 43 be opposite or phase
To movement, realizes clamping or unclamp；The chain saw unit 5 be arranged in the first corpus unguis 42, the second corpus unguis 43 clamping zone end
The outside in portion；The clamping face of the clamping face and clamping jaw fixed plate 41 of first corpus unguis 42 and the second corpus unguis 43 is by tooth 47.
The movement of first hydraulic cylinder 44 can drive the first corpus unguis 42 and the second corpus unguis 43 to be opened or be closed simultaneously,
If opening, clamping zone is open, if closure, carries out related holding action.
Preferably, the chain saw unit 5 includes chain saw fixed plate 51, the chain saw plate for being connected to 21 lower surface of platform body
52, the second hydraulic motor 54 that the chain saw blade 53 of 52 periphery of chain saw plate is set, is fixedly connected in chain saw fixed plate 51；Institute
Chain saw blade 53 is stated to drive by the second hydraulic motor 54；The lower surface of the platform body 21 is also hinged with for driving chain saw
The second hydraulic cylinder 55 that plate 52 is rotated around the power output end of the second hydraulic motor 54；The chain saw plate 52 passes through connection bearing
57 are connected on the second hydraulic motor 54；It is equipped between the connecting plate 20 and connection bearing 57 and swings connecting plate 56, described the
The power output end and swing connecting plate 56 of two hydraulic cylinders 55 connect.Second hydraulic motor 54 is high for drive chain saw blade 53
Speed carry out cutting movement, the second hydraulic cylinder 55 for drive chain saw plate 52 perpendicular to platform body 21 swing, with realize for
The smooth cutting of branch.
The liftable structure of cockpit 6 is technology commonly used in the art, and specifically, the cockpit 6 includes cockpit sheet
Body 61, third hydraulic cylinder 62, pivoted arm 63, the cockpit ontology 61 are fixed on pivoted arm 63, the third hydraulic cylinder 62
Power output end be hinged on pivoted arm 63 and the hinged drive for passing through third hydraulic cylinder 62 on the car body of third hydraulic cylinder 62
It is dynamic, pivoted arm 63 may be implemented in the swing of vertical plane, realize the lifting of cockpit 6, the pivoted arm 63 is generally arranged in by two
The two sides of cockpit ontology 61.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of Garden Engineering vehicle, including car body, which is characterized in that further include setting cockpit on the car body, can be 360 °
What the turning unit of revolution, setting were used to that turning unit be driven to go up and down on the car body, and swung on vertical plane, stretching in horizontal plane
Mechanical arm unit, be connected on turning unit for clamp trees clamping jaw unit, be connected on turning unit for will
The sawed-off chain saw unit of the trees that clamping jaw unit is clamped.
2. Garden Engineering vehicle according to claim 1, which is characterized in that the cockpit is liftable cockpit.
3. Garden Engineering vehicle according to claim 1, which is characterized in that the machinery arm unit includes the first arm, second
Arm, third arm, first arm and car body are hinged and are swung by the first hydraulic-driven module drive in vertical plane；Described second
Arm and the first arm are hinged, and second arm is swung by the second hydraulic-driven module drive in vertical plane；The third arm and
Two arms are slidably matched, and the third arm is flexible along the second arm by third hydraulic-driven module；The turning unit and third arm
Hingedly, the turning unit is swung around the articulated position with third arm in vertical plane by the 4th hydraulic-driven module.
4. Garden Engineering vehicle according to claim 3, which is characterized in that one end of the second hydraulic-driven module is hinged
On the first arm, the other end of the second hydraulic-driven module is hinged on the top of the second arm；On in second arm
Portion and the end of the first arm are hinged.
5. Garden Engineering vehicle according to claim 3, which is characterized in that the inside of second arm is hollow cavity, described
The setting of third arm is slidably matched in hollow cavity with the second arm；The setting third hydraulic-driven module in the hollow cavity；Institute
It states and is fixedly connected at the top of the power output end and third arm of third hydraulic-driven module.
6. Garden Engineering vehicle according to claim 3, which is characterized in that the turning unit and third arm connect by one or four
Rod structure is connect with the power output end of the 4th hydraulic-driven module；
The four-bar linkage structure include first connecting rod, second connecting rod, be arranged in turning unit top connecting plate and third
A part of the free end of arm；
The first connecting rod, second connecting rod, connecting plate, the end of third arm, on third arm by the position of proximal end, first connecting rod
It is sequentially connected and constitutes the four-bar linkage structure；The power output end and first connecting rod of the 4th hydraulic-driven module and second connect
Hinge bar between bar is hinged.
7. the mechanical arm for driving sawmilling equipment multi-angle to adjust according to claim 6, which is characterized in that the described 4th
Hydraulic-driven module is fixed on the second arm, and the turning unit includes platform body, the shaft connecting with platform body and turns
The bearing of axis cooperation, the first hydraulic motor for being connected with the rotating shaft retarder, being connect with retarder；The bearing is fixed on a shell
In vivo, the connecting plate is fixedly connected on the shell；The lower surface of the platform body is fixedly connected with the clamping jaw unit
With chain saw unit.
8. Garden Engineering vehicle according to claim 1, which is characterized in that the clamping jaw unit is by being connected under platform body
The clamping jaw fixed plate on surface, the first corpus unguis, the second corpus unguis, oil cylinder composition, the top of first corpus unguis, the second corpus unguis top
Be equipped with swing arm, the oil cylinder, oil cylinder power output end be respectively hinged in two swing arms, the end of swing arm passes through connecting shaft
Connect the middle part of the first corpus unguis and the second corpus unguis；It is cut with scissors respectively with clamping jaw fixed plate at the top of first corpus unguis and the second corpus unguis
It connects.
9. Garden Engineering vehicle according to claim 8, which is characterized in that the chain saw unit includes being connected to platform body
The chain saw fixed plate of lower surface, the chain saw blade that chain saw plate periphery is arranged in, is fixedly connected in chain saw fixed plate chain saw plate
Second hydraulic motor；The chain saw blade is driven by the second hydraulic motor；The lower surface of the platform body is also hinged useful
In the second hydraulic cylinder that drive chain saw plate is rotated around the power output end of the second hydraulic motor；The chain saw plate passes through connecting shaft
It holds and is connected on the second hydraulic motor；It is equipped between the connecting plate and connection bearing and swings connecting plate, second hydraulic oil
The power output end of cylinder is connected with connecting plate is swung.
10. Garden Engineering vehicle according to claim 2, which is characterized in that the cockpit includes cockpit ontology, third
Hydraulic cylinder, pivoted arm, the cockpit ontology are fixed on pivoted arm, and the power output end of the third hydraulic cylinder, which is hinged on, to be turned
On arm and third hydraulic cylinder hingedly on the car body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980040.XA CN110521426A (en) | 2019-10-15 | 2019-10-15 | A kind of Garden Engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980040.XA CN110521426A (en) | 2019-10-15 | 2019-10-15 | A kind of Garden Engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110521426A true CN110521426A (en) | 2019-12-03 |
Family
ID=68671866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910980040.XA Pending CN110521426A (en) | 2019-10-15 | 2019-10-15 | A kind of Garden Engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110521426A (en) |
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| CN207574183U (en) * | 2017-10-27 | 2018-07-06 | 镇江市高等专科学校 | A kind of trees fell car pull bar formula folded arm device |
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| CN209170961U (en) * | 2018-08-30 | 2019-07-30 | 华东交通大学 | A kind of screen of trees cleaning trolley |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2489091A1 (en) * | 1980-09-04 | 1982-03-05 | Raffaello Henri | Tree felling and trimming machine - has tool carrier plate swung about multiple axes by hydraulic motor and cylinders |
| CN201270684Y (en) * | 2008-08-29 | 2009-07-15 | 毛训亮 | Tree trimming machine |
| CN105210689A (en) * | 2014-06-20 | 2016-01-06 | 南京农业大学 | A kind of branch pruning mechanical arm |
| CN105248161A (en) * | 2015-11-03 | 2016-01-20 | 国网山东济南市历城区供电公司 | Electric power maintenance tree obstacle clearing vehicle |
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| CN107173090A (en) * | 2017-07-25 | 2017-09-19 | 厦门工创科技有限公司 | One kind lumbering pruning accessory |
| CN107439341A (en) * | 2017-08-15 | 2017-12-08 | 长沙科悦企业管理咨询有限公司 | A kind of safe and efficient cleaning car of municipal trees |
| CN207574183U (en) * | 2017-10-27 | 2018-07-06 | 镇江市高等专科学校 | A kind of trees fell car pull bar formula folded arm device |
| CN208191648U (en) * | 2017-10-27 | 2018-12-07 | 镇江市高等专科学校 | A kind of trees felling vehicle automatic control device |
| CN209170961U (en) * | 2018-08-30 | 2019-07-30 | 华东交通大学 | A kind of screen of trees cleaning trolley |
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