CN108849006B - Rotary cutter head type hedge trimmer - Google Patents
Rotary cutter head type hedge trimmer Download PDFInfo
- Publication number
- CN108849006B CN108849006B CN201811091422.9A CN201811091422A CN108849006B CN 108849006 B CN108849006 B CN 108849006B CN 201811091422 A CN201811091422 A CN 201811091422A CN 108849006 B CN108849006 B CN 108849006B
- Authority
- CN
- China
- Prior art keywords
- rotary
- tool rest
- driving
- rotary tool
- circular saw
- Prior art date
- 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.)
- Active
Links
Images
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
- A01G3/04—Apparatus for trimming hedges, e.g. hedge shears
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a rotary cutter head type hedge trimmer, which comprises a body and a rotary cutter rest arranged on the body in a rotary connection mode; a circular saw blade is arranged on the rotary tool rest in a rotary connection mode; the rotary tool rest further comprises a first driving device which is arranged on the body and used for driving the rotary tool rest to rotate relative to the body, and a second driving device which is arranged on the body and used for driving the circular saw blade to rotate relative to the rotary tool rest. The output shaft of the second driving device is connected with a main shaft, and the main shaft drives the circular saw blade to rotate relative to the rotary tool rest through a transmission mechanism. The rotary support bearing is further included to realize the rotary connection of the rotary tool rest and the body. Compared with the prior art, the invention has the advantages of simple structure, reduced cost, reduced rotational inertia, reduced failure rate, and improved trimming effect, and also has the function of rotating speed superposition.
Description
Technical Field
The present invention relates to a device for trimming hedges.
Background
The conventional hedge trimming device mostly adopts a rotary straight blade, and has the problems that the cutter body bears a large impact load when trimming thicker trees, and the cutter body and even equipment are easily damaged too early. And the cuts are broken under the action of impact force, so that the death of the branches is easy to cause. If a circular saw blade is used, the cut branches are inevitably accumulated in front of the cutter rest pushing face and blocked by the hedges which are not trimmed because the circular saw blade does not have the throwing function of the rotary straight cutter, and the equipment cannot be pushed continuously. In addition, when the thick branches are positioned at the two side edges of the circular saw blade, the thick branches are not cut, namely touch the frame body, so that the pruning can not be continued.
In order to solve the above problems, the invention patent of revolution and rotation integrated seedling pruning device with publication number CN106797812a proposes a pruning device combining revolution and rotation, the rotation motors driving the circular saw blades to rotate are independently arranged and are respectively positioned at the tail ends of the rotating frame body, and the electric power is provided through the electric brush mechanism, so that the problems are that: (1) The electric brush is fast in abrasion, short in service life and unreliable in power transmission; (2) The rotation motor is positioned at the tail end of the rotary tool rest body, so that the rotation motor is extremely easy to collide with trees to be damaged in the revolution process; (3) The rotation motor is far away from the revolution axis, the self weight is heavy, the integral inertia is large, and the revolution requires large torque; (4) When the number of the power heads is increased, corresponding motors are required to be added, the cost is high, and inertia is further increased; and (5) the number of the motors is large, so that the failure rate is increased.
On the other hand, if both the revolution motor and the rotation motor use the direct current motor, the power of the rotation motor obviously cannot meet the trimming requirement; if the rotation motor adopts an alternating current motor and the revolution motor adopts a direct current motor, two sets of power supply systems are needed, and the cost is high; if both the ac motors are used, the revolution part needs to be added with a decelerator to adjust the revolution speed and torque to a proper range, and thus the cost and weight are high.
Therefore, the scheme has the problems of high cost, large inertia and high failure rate, and is almost impossible to realize in engineering.
Disclosure of Invention
The invention provides a rotary cutter head type hedge trimmer, which aims to provide feasibility of engineering realization: (1) reducing cost; (2) reducing the revolution inertia; (3) reducing the failure rate of the equipment.
The technical scheme of the invention is as follows:
a rotary cutter head type hedge trimmer comprises a body and a rotary cutter frame which is arranged on the body in a rotary connection mode; the rotary tool rest is provided with a circular saw blade in a rotary connection mode;
the first driving device is arranged on the body and used for driving the revolving knife rest to rotate relative to the body;
the second driving device is arranged on the body and used for driving the circular saw blade to rotate relative to the revolving knife rest.
As a further improvement of the invention: and the output shaft of the second driving device is connected with a main shaft, and the main shaft drives the circular saw blade to rotate relative to the rotary tool rest through a transmission mechanism.
As a further improvement of the invention: the main shaft is provided with a driving belt wheel, the circular saw blade is arranged on a rotating shaft, the rotating shaft is provided with a driven belt wheel, and the driving belt wheel is connected with the driven belt wheel through a driving belt.
As a further improvement of the invention: and the rotary tool rest is provided with a tensioning wheel which can translate relative to the rotary tool rest, and the tensioning wheel is contacted with the transmission belt.
As a further improvement of the invention: the rotary support bearing is characterized by further comprising a rotary support bearing, wherein an inner ring of the rotary support bearing is connected with the body, and an outer ring of the rotary support bearing is connected with the rotary tool rest so as to realize rotary connection of the rotary tool rest and the body.
As a further improvement of the invention: the outer ring is provided with gear teeth, and the output shaft of the first driving device is connected with a driving gear meshed with the gear teeth.
As a further improvement of the invention: the first driving device is a motor.
As a further improvement of the invention: the second driving device is a hydraulic motor.
Compared with the prior art, the invention can meet the driving requirement by only arranging the hydraulic motor for driving the revolving knife rest to revolve and the two driving devices of the alternating current motor for driving all circular saw blades to rotate, and the two driving devices are arranged on the body, and has the advantages that: (1) The power transmission device is simple in structure, convenient to install, reliable in power transmission, free of the need of transmitting power sources in the form of electric power or hydraulic oil from the fixed body to the rotary tool rest, and low in failure rate; (2) The driving device is always fixed, does not follow revolution and is not easy to collide with trees to be damaged; (3) The driving devices are arranged on the body, and the rotary tool rest is only provided with the transmission mechanism and the circular saw blade, so that the weight is light, the inertia is small, the requirement on the revolution torque is reduced, and the driving cost and the energy consumption are reduced; (4) No matter how many circular saw blades are arranged, the circular saw blades can be uniformly driven by one alternating current motor, the motor is not required to be added, the cost is low, the flexibility is good, and the whole is only required to rotate and revolve by two power devices; (5) When the rotation driving device rotates, even if the rotation driving device keeps static, the circular saw blade axis moves along with the rotation and is relative to the rotation driving device, and the angle of the circular saw blade keeps motionless relative to the body under the action of the rotation transmission mechanism, so that the circular saw blade rotates relative to the rotary tool rest, namely the rotating speed of the circular saw blade relative to the rotary tool rest is the superposition of the actual revolving rotating speed and the rotating speed output by the rotation driving device and the transmission mechanism, thereby improving the actual rotating speed of rotation and improving the trimming effect; (6) The revolution adopts a hydraulic motor, so that the steering change and the stepless rotation speed adjustment under the condition of low speed/large torque are conveniently realized.
Drawings
Fig. 1 is a schematic view of the present invention when installed in a vehicle.
Fig. 2 is a schematic cross-sectional view of the present invention.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the accompanying drawings:
as shown in fig. 1, a rotary cutterhead hedge trimmer comprises a body 1 and a revolving knife rest 2 mounted on the body 1 by a rotary connection; the rotary tool rest 2 is provided with a circular saw blade 3 in a rotary connection mode. In use, the body 1 is mounted on a vehicle or other movable device by means of a boom.
As shown in fig. 1 and 2, the rotary cutter head hedge trimmer further comprises a first driving means mounted on the body 1 for driving the rotary blade holder 2 in rotation relative to the body 1, and a second driving means mounted on the body 1 for driving the circular saw blade 3 in rotation relative to the rotary blade holder 2. The first drive means is preferably an alternating current motor 5 and the second drive means is preferably a hydraulic motor 4.
The output shaft of the second driving device is connected with a main shaft 6, and the main shaft 6 drives the circular saw blade 3 to rotate relative to the revolving knife rest 2 through a transmission mechanism.
The preferable structure of the transmission mechanism is as follows: the main shaft 6 is provided with a driving belt wheel, the circular saw blade 3 is arranged on a rotating shaft, the rotating shaft is provided with a driven belt wheel, and the driving belt wheel is connected with the driven belt wheel through a driving belt 10. The rotation transmission mechanism can also be in other structural forms such as gears, transmission chains and the like, and is not described herein.
The number of the circular saw blades 3 can be two or more, and the circular saw blades are uniformly distributed on the revolving knife rest 2 in a circumference manner. When the number of circular saw blades 3 is changed, only the structure of the revolving head 2 and the size of the pulleys need to be adjusted, and the number of second driving devices does not need to be changed.
Further, the revolving knife rest 2 is provided with a tensioning wheel 11 which can translate relative to the revolving knife rest 2, two ends of a rotating shaft of the tensioning wheel 11 are connected with the revolving knife rest 2 through a chute device, the tensioning wheel 11 is in contact with the driving belt 10, and the revolving knife rest 2 is also provided with a window for installing and adjusting the position of the tensioning wheel 11.
Further, the rotary cutterhead hedge trimmer further comprises a rotary support bearing, an inner ring 7 of the rotary support bearing is connected with the body 1, an outer ring 8 of the rotary support bearing is connected with the rotary tool rest 2 so as to realize the rotary connection of the rotary tool rest 2 and the body 1, and the axis of the rotary support bearing, namely the revolution axis of the rotary tool rest 2, coincides with the axis of the hydraulic motor 4.
Preferably, the outer ring 8 is provided with gear teeth, and the output shaft of the first driving device is connected with a driving gear 9 meshed with the gear teeth so as to realize revolution power transmission. The revolution power transmission can be in other structural forms such as synchronous belts, bevel gears or worm gears, and the like, and the description is omitted here.
During operation, the motor 5 drives the rotary tool rest 2 to rotate relative to the body 1 through the driving gear 9 and the outer ring 8 to realize revolution, and meanwhile, the hydraulic motor 4 drives all the circular saw blades 3 to rotate through the transmission belt 10 to realize cutting.
In this embodiment, even if the hydraulic motor 4 itself remains stationary during revolution, the rotation axis of the rotation driving device coincides with the rotation axis of the revolution, and the axis of the circular saw blade 3 moves circumferentially with respect to the hydraulic motor 4 along with the revolution, and the angle of the circular saw blade 3 remains stationary with respect to the body 1 by the belt 10, so that the circular saw blade 3 rotates with respect to the revolving head 2, that is, the rotational speed of the circular saw blade 3 with respect to the revolving head 2 is actually a superposition of the rotational speed of the revolution and the rotational speeds outputted from the rotation driving device and the transmission mechanism. Assuming that the rotational speed of the revolving head 2 is 100rpm, the output rotational speed of the hydraulic motor 4 is 2000rpm, and the transmission ratio of the transmission belt 10 is 1:1, the rotational speed of the circular saw blade 3 with respect to the revolving head 2 is actually a superposition of both, i.e., 2100rpm, producing an effect of rotational speed superposition.
Claims (7)
1. A rotary cutterhead hedge trimmer characterized by: comprises a body (1) and a rotary tool rest (2) which is arranged on the body (1) in a rotary connection mode; a circular saw blade (3) is arranged on the rotary tool rest (2) in a rotary connection mode;
the rotary tool rest is characterized by further comprising a first driving device which is arranged on the body (1) and used for driving the rotary tool rest (2) to rotate relative to the body (1);
the second driving device is arranged on the body (1) and used for driving the circular saw blade (3) to rotate relative to the revolving knife rest (2);
the output shaft of the second driving device is connected with a main shaft (6), and the main shaft (6) drives the circular saw blade (3) to rotate relative to the rotary tool rest (2) through a transmission mechanism; the axis of the main shaft (6) coincides with the axis of rotation of the rotary tool rest (2) relative to the body (1).
2. The rotary cutter head hedge trimmer of claim 1 wherein: the main shaft (6) is provided with a driving belt wheel, the circular saw blade (3) is arranged on a rotating shaft, the rotating shaft is provided with a driven belt wheel, and the driving belt wheel is connected with the driven belt wheel through a driving belt (10).
3. The rotary cutter head hedge trimmer of claim 1 wherein: the rotary tool rest (2) is provided with a tensioning wheel (11) which can translate relative to the rotary tool rest (2), and the tensioning wheel (11) is contacted with the transmission belt (10).
4. The rotary cutter head hedge trimmer of claim 1 wherein: the rotary support device is characterized by further comprising a rotary support bearing, wherein an inner ring (7) of the rotary support bearing is connected with the body (1), and an outer ring (8) of the rotary support bearing is connected with the rotary tool rest (2) so as to realize rotary connection of the rotary tool rest (2) and the body (1).
5. The rotary cutter head hedge trimmer of claim 4 wherein: the outer ring (8) is provided with gear teeth, and the output shaft of the first driving device is connected with a driving gear (9) meshed with the gear teeth.
6. A rotary cutter head hedge trimmer according to any one of claims 1 to 5 wherein: the first driving device is a motor (5).
7. A rotary cutter head hedge trimmer according to any one of claims 1 to 5 wherein: the second driving device is a hydraulic motor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091422.9A CN108849006B (en) | 2018-09-19 | 2018-09-19 | Rotary cutter head type hedge trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091422.9A CN108849006B (en) | 2018-09-19 | 2018-09-19 | Rotary cutter head type hedge trimmer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108849006A CN108849006A (en) | 2018-11-23 |
| CN108849006B true CN108849006B (en) | 2023-05-26 |
Family
ID=64324216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811091422.9A Active CN108849006B (en) | 2018-09-19 | 2018-09-19 | Rotary cutter head type hedge trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108849006B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352729A (en) * | 2019-08-19 | 2019-10-22 | 烟台方程机械技术有限公司 | Spherical pruning knife rest and trimmer |
| CN115226513A (en) * | 2022-08-11 | 2022-10-25 | 武汉琴台生态环境建设有限公司 | Road afforestation maintenance measurement and control device |
| CN115918391A (en) * | 2022-12-28 | 2023-04-07 | 江苏赛欧智能科技有限公司 | Rotary circular saw machine for greening comprehensive maintenance vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20014224U1 (en) * | 2000-08-17 | 2000-11-30 | Harms, Wilhelm, 23758 Gremersdorf | Wood saw |
| CN2720799Y (en) * | 2004-08-27 | 2005-08-31 | 周勇 | Tree branches pruning tool |
| CN2912236Y (en) * | 2006-06-05 | 2007-06-20 | 林瑞兴 | Vehicle-carrying hedge cutter |
| JP2015073482A (en) * | 2013-10-09 | 2015-04-20 | 株式会社マキタ | Power transmission device and gardening clipper employing power transmission device |
| CN207783633U (en) * | 2018-01-20 | 2018-08-31 | 山东东岳专用汽车制造有限公司 | A kind of pure hydraulic pressure on-vehicle hedge clipping machine |
| CN208724459U (en) * | 2018-09-19 | 2019-04-12 | 烟台方程机械技术有限公司 | Rotating knife disc type hedge cutter |
-
2018
- 2018-09-19 CN CN201811091422.9A patent/CN108849006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20014224U1 (en) * | 2000-08-17 | 2000-11-30 | Harms, Wilhelm, 23758 Gremersdorf | Wood saw |
| CN2720799Y (en) * | 2004-08-27 | 2005-08-31 | 周勇 | Tree branches pruning tool |
| CN2912236Y (en) * | 2006-06-05 | 2007-06-20 | 林瑞兴 | Vehicle-carrying hedge cutter |
| JP2015073482A (en) * | 2013-10-09 | 2015-04-20 | 株式会社マキタ | Power transmission device and gardening clipper employing power transmission device |
| CN207783633U (en) * | 2018-01-20 | 2018-08-31 | 山东东岳专用汽车制造有限公司 | A kind of pure hydraulic pressure on-vehicle hedge clipping machine |
| CN208724459U (en) * | 2018-09-19 | 2019-04-12 | 烟台方程机械技术有限公司 | Rotating knife disc type hedge cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108849006A (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108849006B (en) | Rotary cutter head type hedge trimmer | |
| KR101129771B1 (en) | Sawing device for cutting branch | |
| KR20220092347A (en) | Electric scissor blade bi-directional driving apparatus and electric scissors | |
| US2525944A (en) | Lawn edger | |
| CN202873321U (en) | Opposite rolling type seed-cutting mechanism for sugarcane plant | |
| CN208724459U (en) | Rotating knife disc type hedge cutter | |
| CN111201911A (en) | Nursery stock high altitude trimming means | |
| CN218070970U (en) | Wrapping type rotary deicing mechanism of power transmission line deicing robot and deicing robot | |
| CN112438110A (en) | Intelligent mower | |
| CN114080915B (en) | Tree trimmer for municipal road | |
| CN207706727U (en) | A kind of bidirectional rotation cutterhead shear | |
| CN213294210U (en) | Slitting device of automatic winding machine | |
| CN112166798B (en) | Grass cutter | |
| CN109702838B (en) | Bamboo wood pruning machine | |
| GB1213368A (en) | Improvements in or relating to machines for boring holes | |
| CN219844168U (en) | Rotary cutter head type trimming device and trimming operation equipment | |
| CN2910526Y (en) | Driving gear of stones cutter | |
| CN209832205U (en) | Box-type double-shaft output circular sawing machine | |
| CN216017849U (en) | Branch crushing machine is picked to prickly ash | |
| CN215301569U (en) | Cutting mechanism and lawn mower | |
| CN219168601U (en) | Branch shredder | |
| CN209793408U (en) | Electric cutting and grinding machine | |
| CN201618822U (en) | Wire cutting device | |
| CN216134876U (en) | Forest trimming device | |
| CN2255341Y (en) | Automatic sawing machine for wooden cylindrical rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |