CN207022614U - One kind lumbering pruning accessory - Google Patents

One kind lumbering pruning accessory Download PDF

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Publication number
CN207022614U
CN207022614U CN201720904527.6U CN201720904527U CN207022614U CN 207022614 U CN207022614 U CN 207022614U CN 201720904527 U CN201720904527 U CN 201720904527U CN 207022614 U CN207022614 U CN 207022614U
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China
Prior art keywords
handgrip
base
motor
guide plate
oil cylinder
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Active
Application number
CN201720904527.6U
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Chinese (zh)
Inventor
江彬
黄进伟
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Xiamen Engineering Technology Co Ltd
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Xiamen Engineering Technology Co Ltd
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Priority to CN201720904527.6U priority Critical patent/CN207022614U/en
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Abstract

The utility model discloses one kind lumbering pruning accessory, it includes base, clamping device and cutter device;The clamping device comprises at least a pair of handgrips for being used to capture trees/branch, and the handgrip is on the base;The cutter device comprises at least a flexible saw blade, a chain saw guide plate, a motor and a swing mechanism, described flexible saw blade is arranged on described chain saw guide plate, the motor is arranged on by motor base on the side plate of the base, the motor base has a through hole, motor output shaft is connected with each other through the through hole and saw blade, the flexible saw blade is driven to be rotated along the chain saw guide plate, a swing mechanism is additionally provided with the chain saw guide plate simultaneously, realizes that chain saw guide plate is swung up and down using motor as pivot point and along chassis side by the swing mechanism.The utility model be applied to prune or lumbering, be particularly suitable for use in certain altitude, or it is other be unfavorable for people closely operation branch carry out all angles trimming.

Description

One kind lumbering pruning accessory
Technical field
It the utility model is related to the technical field of gardening pruning device, more particularly to a kind of lumbering pruning accessory.
Background technology
With the development of urban construction all over the world, urban afforestation has formed a very big industry, and daily maintenance is just Garden instrument is relied on to complete.Such as the garden instrument that we often see day, including hay mover, shrub and hedge trimmer, grass-mowing machine, trimmer, Brush cutter etc..In the prior art, clipping device is typically by man-hour manually hand-held formula, such as:
The Chinese invention patent of Authorization Notice No. 100364381, a kind of vegetation pruning device is disclosed, including:A pair of arms, Pivoted suitable for surrounding axis relative to each other to adjust the angle between the arm, wherein each arm have it is at least one The corresponding handle portion that can be grasped by user;One motor with rotation output driving device;The flexibility of one circulation Cutting element, be installed on a support member and can by it is described rotation output driving device relative to the support member drive with Cutting is placed on plant therein;And at least one clamping element, can be with by pivoting the arm clamping element relative to each other It is moved relative to each other, plant is clamped between the clamping element and the cutting element;Folder described in wherein at least one Holding element has at least one respective curved edge towards the cutting element.
The Chinese invention patent of Authorization Notice No. 102090278, a kind of plant pruning machine is disclosed, including:Cutting element, For supporting the chain saw guide plate of cutting element, for the motor of drive cutting element, and Handleset, the Handleset can be grasped That makees is for linear motion, and between Handleset and chain saw guide plate, the bindiny mechanism is used for Handleset for bindiny mechanism Linear motion is converted to the pivoting action of chain saw guide plate, and the bindiny mechanism is connected with motor, the exercisable drive of the bindiny mechanism Motor moves together with chain saw guide plate.
Above-mentioned two patent of invention is hand-held, to certain altitude, or other are unfavorable for people and closely make For the branch of industry, it is impossible to complete trimming operation well.Although the Chinese invention patent of Authorization Notice No. 100364381 is provided with The clamping element that plant is clamped, but its clamping element is that chucking power is limited by coordinating it to act on cutting chain.
The Chinese invention patent of Authorization Notice No. 102939864, a kind of ornamental plant trimming machine cuts people is disclosed, is by propping up Support, ring-shaped guide rail, internal gear, base fix sliding block, chassis external gear, gear connecting shaft, base, horizontal rotation seat, motion Lever arm, adjustment lever arm, trimming motor, rotary knife fixed mechanism, rotary knife clamping device, rotary knife form, ring-shaped guide rail Internal and external cycle point It is not fixed on support frame, internal gear is welded on the inside of support frame, and chassis external gear is connected by gear connecting shaft with base, base Fixed sliding block on ring-shaped guide rail, in base fix above sliding block and fix by base, rotates horizontally seat above base, moves lever arm It is connected to and rotates horizontally on seat, motion lever arm connects with adjustment lever arm, and trimming motor is in adjustment lever arm end trough, rotary knife On rotary knife clamping device, rotary knife clamping device is fixed on adjustment lever arm end by rotary knife fixed mechanism.Although the patent of invention It is to be trimmed by way of robot, but in practical application, easily influenceed by place etc., is equally not easy to people To plant long distance work.
In view of this, the present inventor studies and devised a kind of lumbering pruning accessory, thus this case produces.
Utility model content
The purpose of this utility model is to provide a kind of lumbering pruning accessory, by individually setting clamping device and cutting Device is cut, preferably to be trimmed to trees/branch.
One kind lumbering pruning accessory, it includes base, clamping device and cutter device;The clamping device comprises at least one To the handgrip for capturing trees/branch, the handgrip is on the base;The cutter device comprises at least a flexibility Saw blade, a chain saw guide plate, a motor and a swing mechanism, described flexible saw blade are arranged on described chain saw guide plate On, the motor is arranged on by motor base on the side plate of the base, and the motor base has a through hole, and motor output shaft passes through The through hole is connected with each other with saw blade, drives the flexible saw blade to be rotated along the chain saw guide plate, while in the chain saw guide plate On be additionally provided with a swing mechanism, chain saw guide plate is realized using motor as pivot point by the swing mechanism and along above and below chassis side Swing.
Preferably, it also includes a motor cover for seat, and the through hole of the motor cover for seat and base side plate is interference fitted, while Motor base bottom formed a flange, from base side plate, gap is placed in motor cover for seat motor base from inside to outside, its flange against In the inwall of base side plate.
Preferably, the handgrip includes the first handgrip and the second handgrip, and second handgrip includes left handgrip and right handgrip, It is separately fixed on base, and first handgrip is articulated on base and between left handgrip and right handgrip, in order to adjust The spacing of section and the second handgrip, to capture trees/branch of different-diameter size, in addition to the first oil cylinder, first oil cylinder One end is on the base, and the other end is on first handgrip.
Preferably, the handgrip includes the first handgrip and the second handgrip, and second handgrip includes left handgrip and right handgrip, The first cross bar is provided between in the middle part of left handgrip and right handgrip, pivoted hole is provided with the middle part of the first cross bar, while at described bottom The second cross bar is provided between seat biside plate, the pivot joint for being pivotally connected left handgrip and right handgrip is respectively provided with the second cross bar Seat, left handgrip, right handgrip one end are articulated on the pin joint seat of the second cross bar, in addition to the 4th oil cylinder, the canned paragraph of the 4th oil cylinder It is arranged on base, its free end is connected with the pivoted hole of the first cross bar;First handgrip is articulated on base and positioned at a left side Between handgrip and right handgrip, in addition to the first oil cylinder, described first oil cylinder one end is on the base, and the other end is located at described On first handgrip, by the flexible of the 4th oil cylinder and the first oil cylinder free end, to adjust between the first handgrip and the second handgrip Gap.
Preferably, the handgrip includes active handgrip, passive handgrip and pull bar, the active handgrip and the passive handgrip It is articulated in respectively on base, described pull bar one end connects the bottom of the active handgrip, the other end connection passive handgrip Bottom, in addition to the second oil cylinder, described second oil cylinder one end is on the base, and the other end is on the active handgrip.
Preferably, the swing mechanism includes rotating guide plate and the 3rd oil cylinder, and described rotation guide plate is in sickleshaped, one End connects the chain saw guide plate, and the other end connects the 3rd oil cylinder, and the 3rd oil cylinder is arranged on the side of the base, described turn The rod body part of dynamic guide plate is fixedly connected with each other with the motor base.
Preferably, the swing mechanism includes rotating guide shaft, shaft coupling and motor, is provided with the middle part of the rotation guide shaft recessed Groove, the chain saw guide plate are fixed in the groove, while the rotation guide shaft bottom end face is fixedly connected with each other with the motor base, The motor is connected by the shaft coupling with the rotation guide shaft.
Preferably, the cutter device also includes shield, and the shield is located at the periphery of the cutting element.
Preferably, in addition to slew gear and center-rotary joint;Described slew gear is arranged on the lower section of base, its Including adapter, revolving support and motor, the revolving support and motor are located between the adapter and the base;It is described Center-rotary joint one end be fixed on base, the other end is fixed on adapter so that the base can be around the adapter Rotation.
Preferably, in addition to image system, the camera system include camera, connecting line and display screen, the shooting Head is below base, and for carrying out real-time photography to handgrip, described connecting line one end connects camera, other end connection display Screen, the display location is in the position that member easy to operation observes.
Preferably, in addition to mechanical arm, the mechanical arm are connected with the adapter.
Preferably, some projections are provided with the inside of the handgrip, prevent from skidding when capturing plant.
Preferably, the base includes bottom plate and side plate, the relative both sides for being located at the bottom plate of biside plate, first oil For cylinder on the bottom plate, the handgrip is located at the top of two side plates, and first motor is located therein a side plate On.
Because Tthe utility model system employs above-mentioned technical scheme so that the utility model on the one hand can be from each Angle is lumbered or pruned, and another aspect cooperative mechanical arm uses, and greatly facilitates people at a distance to trees/branch To be trimmed, while trees are during trimming, it can be ensured that it is fixed by the clamping device for pruning accessory of lumbering, Avoid sliding to ground, cause potential safety hazard.The utility model is applied to being repaiied with larger-diameter branch or trunk Cut, be particularly suitable for use in certain altitude, or other trees/branches for being unfavorable for people's closely operation are trimmed.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the part-structure schematic diagram that the utility model uses hydraulic solution;
Fig. 3 is the decomposed structural representation that the utility model uses hydraulic solution;
Fig. 4 is the part-structure schematic diagram that the utility model uses motor scheme;
Fig. 5 is the structural representation of second of handgrip of the utility model;
Fig. 6 is decomposed structural representation of the utility model using second of handgrip;
Fig. 7 is the assembling schematic diagram of the utility model and mechanical arm;
Fig. 8 is the decomposed structural representation that the utility model uses the third handgrip.
Accompanying drawing identifies
Base 1, bottom plate 11, side plate 12, locating dowel 121, limited block 122, port 1221;
Clamping device 2, handgrip 21, the first handgrip 211, the second handgrip 212, left handgrip 2121, right handgrip 2122, actively grab Hand 213, passive handgrip 214, pull bar 215, Ffirst cylinder 22, the second oil cylinder 23, the 4th oil cylinder 15, the first cross bar 2123, second Cross bar 13;Pivoted hole 2124, pin joint seat 14;
Cutter device 3, chain saw guide plate 31, the first motor 32, swing mechanism 33, guide plate 331, groove 3331, the 3rd oil cylinder 332nd, guiding element 333, groove 3331, shaft coupling 334, motor 335, motor base 34, through hole 341, flange 342, shield 35, motor base Set 36;
Slew gear 4, adapter 41, revolving support 42, the second motor 43;
Center-rotary joint 5;
Image system 6, camera 61, connecting line 62, display screen 63, swivel coupling 64;
Mechanical arm 7.
Embodiment
Embodiment 1
As shown in Figure 1 to Figure 3, the utility model discloses a kind of lumbering pruning accessory, including base 1, clamping device 2, Cutter device 3, slew gear 4 and center-rotary joint 5, the base 1 include bottom plate 11 and side plate 12, and biside plate 12 is relative to be set In the both sides of the bottom plate 11;The clamping device 2 comprises at least a pair of handgrips 21 for being used to capture trees/branch, described to grab Hand 21 includes the first handgrip 211 and the second handgrip 212, and second handgrip 212 is fixed on the top of two side plates 12, described First handgrip 211 is articulated in the top of two side plates 12 in order to adjust the spacing with the second handgrip 212, different straight with crawl Trees/branch of footpath size, in addition to Ffirst cylinder 22, described one end of Ffirst cylinder 22 is on the bottom plate 11, the other end On first handgrip 211;Some projections are provided with the inside of the handgrip, prevent from skidding when capturing trees/branch;It is described Cutter device 3 comprises at least first motor 32 of flexible 37, one, saw blade chain saw guide plate 31, one and a swing mechanism 33, the flexible saw blade 37 is arranged on described chain saw guide plate 31, and first motor is arranged on described by motor base 34 On the side plate 12 of base 1, the motor base has a through hole 341, and motor output shaft is connected with each other through the through hole 341 and saw blade, Drive the flexible saw blade 37 to be rotated along the chain saw guide plate 31, while an oscillating machine is additionally provided with the chain saw guide plate 31 Structure 33, realize that chain saw guide plate 31 is swung up and down using motor as pivot point and along chassis side by the swing mechanism 33;It is described Cutter device 3 also includes shield 35, and the shield 35 is located at the periphery of the cutting element.Described slew gear 4 is arranged on The lower section of base, it includes adapter 41, the motor 43 of revolving support 42 and second, and the motor 43 of revolving support 42 and second is set Between the adapter 41 and the base;Base is fixed in described one end of center-rotary joint 5, and the other end, which is fixed on, to be turned On joint chair 41 so that the base can rotate around the adapter, prevent hydraulic circuit and electric loop to be wrapped in due to rotation Together.
Preferably, it also includes a motor cover for seat 36, and the motor cover for seat 36 and the through hole of base side plate are interference fitted, together When the bottom of motor base 34 formed a flange 342, from base side plate, gap is placed in motor cover for seat motor base from inside to outside, its Flange is resisted against the inwall of base side plate.
Preferably, the swing mechanism 33 uses hydraulic solution, including rotates the oil cylinder 332 of guide plate 331 and the 3rd, described turn Dynamic guide plate 331 is in sickleshaped, and described rotation guide plate 331 one end connects the chain saw guide plate 31, other end connection the 3rd oil Cylinder 332, the 3rd oil cylinder 332 be arranged on the base side locating dowel 121 on, it is described rotate guide plate 331 rod body part with The motor base 34 is fixedly connected with each other.In the presence of the 3rd oil cylinder 332 so that the rotation guide plate 331 drives the chain Saw guide 31 is swung up and down in the one side of the base, is easy to saw blade 37 to find suitable angle accurately and is carried out trimming operation.
Preferably, in addition to image system 6, the camera system include camera 61, connecting line 62 and display screen 63, institute Camera 61 is stated located at the lower section of base 1, for being imaged to handgrip 21, the camera 61 is wide-angle camera, the company The one end of wiring 62 connects camera 61, other end connection display screen 63, and the display screen 63 is located at the position of member easy to operation observation Put, such as can be in addition to the swivel coupling 64 on driving cabin operating desk, the swivel coupling 64 is located at the lower section of base 1, institute Connecting line 62 is stated on the swivel coupling 64, for ensuring that connecting line 62 will not twine as slew gear rotates Around.This set image system precisely operates when can realize pruning.
Preferably, in addition to mechanical arm 7, the mechanical arm 7 are connected with the adapter 41, and remote make can be achieved Industry.
Embodiment 2
The difference of the present embodiment 2 and embodiment 1 is the difference of swing mechanism, and the swing mechanism used in the present embodiment 2 makes With motor scheme, specifically, as shown in figure 4, the swing mechanism 33 includes guiding element 333, shaft coupling 334 and motor 335, it is described Guiding element 333 is in cylinder, and the guiding element center is provided with groove 3331, and the chain saw guide plate 31 is fixed on the groove 3331 In, the motor 335 is connected by the shaft coupling 334 with the guiding element 333;And the side of the base 1 be additionally provided with it is spacing Block 122, the limited block 122 is L-shaped, and the limited block 122 is provided with port 1221, the shaft coupling 334 and the guiding element 333 are located in the limited block 122, and the motor 335 is located at the outside of limited block 122, and passes through the port 1221 and institute Shaft coupling 334 is stated to connect.Certainly, the motor 335 can be PLC stepper motors or servomotor so that cutter device can be with According to programming action.
Embodiment 3
As seen in figs. 5-6, the utility model provides second of structure of handgrip, and the handgrip 21 includes active handgrip 213rd, passive handgrip 214 and pull bar 215, the active handgrip 213 and the passive handgrip 214 are articulated on base 1 respectively, institute The bottom that the one end of pull bar 215 connects the active handgrip 213 is stated, the other end connects the bottom of the passive handgrip 214, in addition to Second oil cylinder 23, described one end of second oil cylinder 23 is on the bottom plate 11, and the other end is on the active handgrip 213.It is logical Crossing the second oil cylinder 23 drives the active handgrip 213 inwardly to rotate, and passive handgrip 214 is also inside in the presence of pull bar 215 Rotate, and then active handgrip 213 and passive handgrip 214 inwardly rotate simultaneously, grip the action of branch or trees.
Embodiment 4
As shown in figure 8, the utility model provides the third structure of handgrip, the handgrip knot of the embodiment and embodiment 1 Structure is basically identical, simply changes hands the second handgrip 212 is arranged into rotary, specifically described handgrip includes the first handgrip 211 and second handgrip 212, second handgrip 212 include left handgrip 2121 and right handgrip 2122, left handgrip 2121 and right handgrip The first cross bar 2123 is provided between 2122 middle parts, pivoted hole 2124 is provided with the middle part of the first cross bar, while in described base The second cross bar 13 is provided between biside plate, the pivot joint for being pivotally connected left handgrip and right handgrip is respectively provided with the second cross bar 13 Seat 14, left handgrip 2121, the one end of right handgrip 2122 are articulated on the pin joint seat 14 of the second cross bar 13, in addition to the 4th oil cylinder 15, The canned paragraph of 4th oil cylinder 15 is arranged on base 1, and its free end is connected with the pivoted hole 2124 of the first cross bar 2123;Described One handgrip 211 is articulated on base 1 and between left handgrip 2121 and right handgrip 2122, in addition to Ffirst cylinder 22, described For the one end of Ffirst cylinder 22 on the base 1, the other end passes through the 4th oil cylinder 15 and the on first handgrip 211 The free end of one oil cylinder 22 is stretched, to adjust the gap between the first handgrip 211 and the second handgrip 212.
As shown in fig. 7, when using the utility model structure, mechanical arm can be the mechanical arm 7 of wheeled digging machine, handgrip For capturing trees, adjustment mechanism adjusts the angle of cutting element, cutting element pruning trees in the presence of motor.Certainly, Clamping device of the present utility model can also be used alone, for example, the scene applied to crawl article.In plant branch diameter mistake Small, in the case of being unfavorable for handgrip crawl, cutter device can also individually exercise the function of cutting.In a word, the utility model knot Structure is exquisite, can conveniently coordinate the use of wheeled digging machine mechanical arm, be particularly suitable for use in certain altitude, or other unfavorable Trimmed in the branch of people's closely operation.Certainly, the utility model may not only be applied to the pruning of plant, can also cut down Wood, can also be to its section slightly to the trunk after lumbering.Because the utility model is individually provided with clamping device, can also realize to repairing What branch or trunk after cutting did not landed is loaded on lorry, is easy to lorry directly to pull away.
It is described above, only the utility model preferred embodiment, therefore the utility model implementation can not be limited according to this Scope, i.e., the equivalent changes and modifications made according to the utility model patent scope and description, it is new all should still to belong to this practicality In the range of type covers.

Claims (10)

1. one kind lumbering pruning accessory, it is characterised in that it includes base, clamping device and cutter device;The clamping device Including at least a pair of handgrips for being used to capture trees/branch, the handgrip is on the base;The cutter device at least wraps A flexible saw blade, a chain saw guide plate, first motor and a swing mechanism are included, described flexible saw blade is arranged on institute On the chain saw guide plate stated, first motor is arranged on by motor base on the side plate of the base, and the motor base has one to lead to Hole, motor output shaft are connected with each other through the through hole and saw blade, drive the flexible saw blade to be rotated along the chain saw guide plate, together When a swing mechanism is additionally provided with the chain saw guide plate, by the swing mechanism realize chain saw guide plate using the first motor as rotation Fulcrum and swung up and down along chassis side.
2. a kind of lumbering pruning accessory as claimed in claim 1, it is characterised in that it also includes a motor cover for seat, the horse Up to the through hole of cover for seat and base side plate be interference fitted, while motor base bottom formed a flange, motor base from base side plate by Interior to be placed on to external series gap in motor cover for seat, its flange is resisted against the inwall of base side plate.
3. a kind of lumbering pruning accessory as claimed in claim 1, it is characterised in that the handgrip includes the first handgrip and second Handgrip, second handgrip include left handgrip and right handgrip, and it is separately fixed on base, and first handgrip is articulated in base Go up and be located between left handgrip and right handgrip, in order to adjust the spacing with the second handgrip, to capture the tree of different-diameter size Wood/branch, in addition to the first oil cylinder, on the base, the other end is located at first handgrip for described first oil cylinder one end On.
4. a kind of lumbering pruning accessory as claimed in claim 1, it is characterised in that the handgrip includes the first handgrip and second Handgrip, second handgrip include left handgrip and right handgrip, the first cross bar are provided between left handgrip and right handgrip middle part, first The middle part of cross bar is provided with pivoted hole, while is provided with the second cross bar between described base biside plate, divides on the second cross bar The pin joint seat for being pivotally connected left handgrip and right handgrip She You be used for, left handgrip, right handgrip one end to be articulated in the pin joint seat of the second cross bar On, in addition to the 4th oil cylinder, the canned paragraph of the 4th oil cylinder be arranged on base, its free end and the pivoted hole of the first cross bar connect Connect;First handgrip is articulated on base and between left handgrip and right handgrip, in addition to the first oil cylinder, first oil On the base, the other end passes through the 4th oil cylinder and the first oil cylinder free end on first handgrip for cylinder one end It is flexible, to adjust the gap between the first handgrip and the second handgrip.
5. lumbering pruning accessory as claimed in claim 1 a kind of, it is characterised in that the handgrip includes active handgrip, passive Handgrip and pull bar, the active handgrip and the passive handgrip are articulated on base respectively, and described pull bar one end connects the master The bottom of dynamic handgrip, the bottom of the other end connection passive handgrip, in addition to the second oil cylinder, described second oil cylinder one end are located at On the base, the other end is on the active handgrip.
As claimed in claim 1 a kind of 6. lumbering pruning accessory, it is characterised in that the swing mechanism include rotating guide plate and 3rd oil cylinder, described rotation guide plate are in sickleshaped, and its one end connects the chain saw guide plate, other end connection the 3rd oil Cylinder, the 3rd oil cylinder are arranged on the side of the base, and the rod body part for rotating guide plate is fixedly connected with each other with the motor base.
As claimed in claim 1 a kind of 7. lumbering pruning accessory, it is characterised in that the swing mechanism include rotating guide shaft, Shaft coupling and motor, the rotation guide shaft middle part are provided with groove, and the chain saw guide plate is fixed in the groove, while described turn Dynamic guide shaft bottom end face is fixedly connected with each other with the motor base, and the motor is connected by the shaft coupling with the rotation guide shaft.
8. a kind of lumbering pruning accessory as claimed in claim 1, it is characterised in that the cutter device also includes shield, institute State the periphery that shield is located at the cutting element.
9. a kind of lumbering pruning accessory as claimed in claim 1, it is characterised in that also connect including slew gear and center revolution Head;Described slew gear is arranged on the lower section of base, and it includes adapter, revolving support and the second motor, the revolution branch Support and the second motor are located between the adapter and the base;Base is fixed in described center-rotary joint one end, separately One end is fixed on adapter so that the base can rotate around the adapter.
10. a kind of lumbering pruning accessory as claimed in claim 1, it is characterised in that also including image system, the image system System includes camera, connecting line and display screen, and the camera is below base, for carrying out real-time photography, institute to handgrip Connecting line one end connection camera is stated, other end connection display screen, the display location is in the position that member easy to operation observes.
CN201720904527.6U 2017-07-25 2017-07-25 One kind lumbering pruning accessory Active CN207022614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720904527.6U CN207022614U (en) 2017-07-25 2017-07-25 One kind lumbering pruning accessory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720904527.6U CN207022614U (en) 2017-07-25 2017-07-25 One kind lumbering pruning accessory

Publications (1)

Publication Number Publication Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107173090A (en) * 2017-07-25 2017-09-19 厦门工创科技有限公司 One kind lumbering pruning accessory

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107173090A (en) * 2017-07-25 2017-09-19 厦门工创科技有限公司 One kind lumbering pruning accessory

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