CN102334421B - Motor-driven pruning machine - Google Patents

Motor-driven pruning machine Download PDF

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Publication number
CN102334421B
CN102334421B CN201010228336.5A CN201010228336A CN102334421B CN 102334421 B CN102334421 B CN 102334421B CN 201010228336 A CN201010228336 A CN 201010228336A CN 102334421 B CN102334421 B CN 102334421B
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motor
rod
support bar
pawl
groundwork
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CN102334421A (en
Inventor
张武
山磊
王旭云
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CHANGZHOU VAST ROBOT TECHNOLOGY Co Ltd
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CHANGZHOU VAST ROBOT TECHNOLOGY Co Ltd
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Abstract

The invention provides a motor-driven pruning machine for pruning branches. The motor-driven pruning machine comprises an operation handle, a connection rod, a support rod and a main work mechanism, wherein the connection rod is of a hollow tubular structure, the inner wall of the connection rod is provided with multiple grooves, one end of the support rod is provided with joints matched with the grooves, the joints are inserted into the grooves so as to fixedly connect the connection rod and the support rod together, and other connection rods can also be inserted between the connection rod and the support rod; and the main work mechanism comprises a first motor, a second motor, a fixed machinery claw, a moveable machinery claw, a driving wheel, a driven wheel and a circular saw, wherein the first motor is used for driving the driving wheel, and the second motor is used for controlling the close and open of the moveable machinery claw. By using the motor-driven pruning machine, the work height of the main work mechanism can be regulated according to the height of the branches, thereby saving time and saving labor. In addition, the main work mechanism swings along the horizontal direction when in operation so as to better fit the branches, thereby improving work efficiency.

Description

A kind of electric lopping device
Technical field
The present invention relates to a kind of electric tool that is applied to afforestation, relate in particular to a kind of electric lopping device of pruning for flowers, plants and trees branches and leaves.
Background technology
Continuous expansion along with city's green areas, the greenbelt of a lot of public places needs Gardener author to carry out meticulously arranging, and for example, the shoot growth speed of some green plants is fast, need to be pruned continually, thereby keep the smooth attractive in appearance with the overall situation in order of greenbelt.
In the prior art, widely used pruning machine is generally divided into two kinds of manual type and electrodynamic types.For manual type pruning machine, owing to adopting manual operation, beta pruning speed is slow, and operating efficiency is low, is especially not suitable for the larger occasion in greenbelt region.For electrodynamic type pruning machine, although improved beta pruning efficiency, often heavier, be not easy to long beta pruning operation, particularly when pruning branches of tall trees, there is certain limitation.In addition, if make, with chain saw, prune branches of tall trees, because of the restriction of its working range, certainly will be by hoistable platform, but this also may bring certain danger to operator simultaneously.
On the other hand, the applying date is on June 8th, 1999, the patent No. is 99213524.9, the Chinese utility model patent that name is called portable telescopic lopping shears has disclosed a kind of lopping shears, its dynamic cutter head is fixed on to the head of sliding bar, quiet cutter head is fixed in the outer wall of inner sleeve, with bolt transverse crossing inner sleeve, from longitudinal slotted hole chute of sliding bar, pass and realize spacing to moving axially of dynamic cutter head, the rear end cross section of inner sleeve is rounded and hold the spring being sleeved on drive link, the afterbody of inner sleeve stretches into outer tube, the transmission sleeve pipe of attended operation handgrip is housed in outer tube, operator is being comprised of upper hand handle and bottom pivoted arm, its middle part is articulated with bearing.Yet the height adjustment range of this pruning machine is also more limited, when operating personnel work long hours physical demands huge, and, between pruning machine and branches of tall trees, reliably do not contact, thereby though pruning machine occur in the operation phenomenon of trimming leaf not.
Summary of the invention
For pruning machine of the prior art existing above-mentioned defect when operating, the invention provides a kind of novel electric lopping device.
According to one aspect of the present invention, a kind of electric lopping device for pollard is provided, it comprises: an operator handle, a connecting rod, a support bar He Yi groundwork mechanism.Wherein, connecting rod is the tubular structure of hollow, the inwall of this tubular structure has a plurality of grooves, one end of connecting rod is fixedly connected with operator handle, one end of support bar has the connector matching with groove, and support bar, by connector being inserted to groove to be fixedly connected on the other end of connecting rod, can also insert other connecting rod between connecting rod and support bar.This groundwork mechanism comprises the first motor, the second motor, solid mechanical pawl, mobile machine pawl, driving wheel, driven pulley and annular saw, driving wheel, driven pulley and mobile machine pawl are all positioned at the inside of solid mechanical pawl, the first motor is installed on a side of solid mechanical pawl to drive driving wheel, the second motor is installed on the opposite side of solid mechanical pawl to control the closure of mobile machine pawl and to open, annular saw is installed on driven pulley, wherein electric lopping device also comprises the first linear brake and the second linear brake, the first linear brake is positioned at one end of connecting rod, the second linear brake is fixedly installed between support bar and groundwork mechanism.
Preferably, the second linear brake is fixed on by the first straight pin in one end of groundwork mechanism, the other end of groundwork mechanism is fixed on the other end of support bar by the second straight pin, the second linear brake is fixedly connected with support bar angled with support bar by three cylindrical pin, when the second linear brake vertically moves, groundwork mechanism along continuous straight runs swings, with the branch of fitting better.
Preferably, the axle of the first motor is fixedly connected with driving wheel, and by the first linear brake on control operation handgrip, the first motor drives driving wheel and drives the circular motion of driven crop rotation certain radian.In addition, the below of driven pulley is also provided with an approach switch, guarantees the amount of feeding of annular saw by this approach switch, and when annular saw is fed within the range of approach switch, annular saw is return.
Preferably, the worm shaft of mobile machine pawl and the second motor matches, and drives mobile machine pawl to make the circular motion of arc by the worm shaft of the second motor, thereby with closed mobile machine pawl clamping branch; After branch pruning finishes, by the worm shaft driving mobile machine pawl of the second motor, do rightabout circular motion, to open mobile machine pawl.
Preferably, below solid mechanical pawl and near the position of annular saw, be also provided with a camera, for taking in real time the pruning process of branch.Accordingly, electric lopping device is also provided with a display screen, is fixedly connected on connecting rod and is positioned at the top of operator handle, the pruning process of checking branch for operating personnel.
Preferably, around the annular saw of solid mechanical pawl inside, also comprise a protective cover.
Preferably, between connecting rod and support bar, can also add support bar and/or the connecting rod of some quantity, to adjust the working depth of groundwork mechanism.
Preferably, electric lopping device also comprises an extension spring, and one end of this extension spring is connected in solid mechanical pawl, and the other end is connected on the band hub that surrounds driving wheel and driven pulley, utilizes the initial position of extension spring reflex circle of position saw.
Adopt electric lopping device of the present invention, between connecting rod 1 and support bar 2, insert other connecting rod and/or support bar, after groove by joint portion of connecting rod and support bar and connector lock and connect, can freely according to branch height, regulate the working depth of the groundwork mechanism of pruning machine, time saving and energy saving.In addition, one end of the groundwork mechanism of pruning machine is fixedly connected on the second linear brake by straight pin, the other end is fixedly connected on support bar top by straight pin, thereby when the second linear brake vertically moves, by groundwork mechanics limit, be that along continuous straight runs swings, thereby can fit with branch better, improve operating efficiency.
Accompanying drawing explanation
Reader, after having read the specific embodiment of the present invention with reference to accompanying drawing, will become apparent various aspects of the present invention.Wherein,
Figure 1A illustrates the exterior contour schematic diagram of electric lopping device of the present invention; Figure 1B illustrates the schematic diagram of the groundwork mechanism of electric lopping device; And the connection diagram of solid mechanical pawl and mobile machine pawl in Fig. 1 C explanation groundwork mechanism as shown in Figure 1B.
Fig. 2 A illustrates the support bar of electric lopping device and the end view that connecting rod locks and connects; Fig. 2 B illustrates in Fig. 2 A the cutaway view of the joint portion for locking and connecting.
Fig. 3 A illustrates the schematic diagram of mobile machine pawl in open mode in the groundwork mechanism of electric lopping device; Fig. 3 B illustrates the schematic diagram of mobile machine pawl in closure state in the groundwork structure of electric lopping device.
Fig. 4 illustrates the groundwork mechanism of electric lopping device of the present invention and the mechanical connection schematic diagram of support bar.
Schematic diagram in the groundwork mechanism of Fig. 5 A explanation electric lopping device during annular saw feeding; Schematic diagram when annular saw is return in the groundwork mechanism of Fig. 5 B explanation electric lopping device.
Embodiment
With reference to the accompanying drawings, the specific embodiment of the present invention is described in detail.
Figure 1A illustrates the exterior contour schematic diagram of electric lopping device of the present invention.With reference to Figure 1A, electric lopping device at least comprises that connecting rod 1, support bar 2, operator are the 3, first linear brake 5 and the monolithic case 18 that comprises groundwork mechanism.Wherein, the tubular structure that connecting rod 1 is hollow, is fixedly connected with operator 3 on one end of connecting rod 1, and the other end of connecting rod 1 and support bar 2 connect together.About connecting rod 1 and the syndeton of support bar 2, will be described in detail hereinafter.
The first linear brake 5 is positioned at one end of connecting rod 1, near operator 3 and with operator, 3 formation controls are connected.When pressing operation handgrip 3, the first linear brake 5 starts so that the first motor drives driving wheel to rotate, and then drives the circular motion of driven crop rotation certain radian.
In one embodiment of this invention, electric lopping device also arranges a display screen, is fixedly connected on one end of connecting rod 1 and is positioned at operator 3 top, and by watching display screen, operating personnel can observe the pruning process of branch in real time.
Figure 1B illustrates the schematic diagram of the groundwork mechanism of electric lopping device, the connection diagram of solid mechanical pawl and mobile machine pawl in Fig. 1 C explanation groundwork mechanism as shown in Figure 1B.In conjunction with Figure 1B and 1C, groundwork mechanism comprises the first motor 8, the second motor 16, solid mechanical pawl 14, mobile machine pawl 15, driving wheel 10, driven pulley 11 and annular saw 13.The first motor 8 is arranged on solid mechanical pawl 14, and the rotating shaft of the first motor 8 is installed on driving wheel 10, and when pressing operation handgrip 3 and start after the first linear brake 5, the first motor 8 drives driving wheels 10 to rotate.The second motor 16 is installed on a relative side of solid mechanical pawl 14 inside, keeps apart with annular saw 13.Mobile machine pawl 15 is installed in solid mechanical pawl 14, matches, and realized the closure of mobile machine pawl 15 and opened by the rotation direction of the second motor 16 worm shafts with the worm shaft of the second motor 16.
In addition, annular saw 13 is installed on driven pulley 11, with axle, fix, thereby to realize the rotation pollard of annular saw.Approach switch 9 is arranged on the inside of solid mechanical pawl 14, near driven pulley 11, guarantees the amount of feeding of annular saw by this approach switch 11, and when annular saw is fed within the range of approach switch 11, annular saw is return.Driving wheel 10 and driven pulley 11 are installed in band hub 17, use band to be in transmission connection between driving wheel 10 and driven pulley 11, when the first motor 8 drives driving wheel 10 motion, drive driven pulley 11 to rotate to operate annular saw 13 and carry out pollard.Electric lopping device also comprises extension spring 12, and one end of this extension spring 12 is connected in solid mechanical pawl 14, and the other end is connected on the band hub 17 that surrounds driving wheel 10 and driven pulley 11, utilizes the initial position of extension spring 12 reflex circle of position saws 13.
The second linear brake 7 is fixedly installed between support bar 2 and above-mentioned groundwork mechanism.More specifically, one end of the second linear brake 7 is arranged on support bar 2, and has a certain degree with support bar 2, and the other end of the second linear brake 7 is arranged on one end of the solid mechanical pawl 14 in groundwork mechanism.According to one embodiment of the invention, below solid mechanical pawl 14 and near the position of annular saw 13, be also provided with a camera 6, for taking in real time the pruning process of branch.Utilize operator the display screen 4 of 3 tops, operating personnel just can grasp the details of branch pruning like a cork.In addition, around the annular saw of solid mechanical pawl 14 inside, also comprise a protective cover 22, to prevent that annular saw 13 from causing unexpected injury, also can avoid chip to fly at a high speed operating personnel.
Fig. 2 A illustrates the support bar 2 of electric lopping device and the end view that connecting rod 1 locks and connects; Fig. 2 B illustrates in Fig. 2 A the cutaway view of the joint portion for locking and connecting.In conjunction with Fig. 2 A and 2B, the tubular structure that connecting rod 1 is hollow, the inwall of this tubular structure has a plurality of grooves, and one end of support bar 2 has the connector 23 matching with these grooves, by connector 23 is inserted in groove, support bar 2 can be locked and connected to connecting rod 1.And, between connecting rod 1 and support bar 2, can also add other support bar and/or the connecting rod of some quantity, to adjust the working depth of groundwork mechanism.
Fig. 3 A illustrates the schematic diagram of mobile machine pawl 15 in open mode in the groundwork mechanism of electric lopping device, and Fig. 3 B illustrates the schematic diagram of mobile machine pawl 15 in closure state in the groundwork structure of electric lopping device.With reference to Fig. 3 A and Fig. 3 B, the worm shaft of mobile machine pawl 15 and the second motor 16 matches, and drives mobile machine pawl 16 to make the circular motion of arc by the worm shaft of the second motor 16, thereby with closed mobile machine pawl clamping branch.And after branch pruning completes, the worm shaft by the second motor 16 drives mobile machine pawl 16 to make rightabout circular motion, to open mobile machine pawl.
Fig. 4 illustrates the groundwork mechanism of electric lopping device of the present invention and the mechanical connection schematic diagram of support bar 2.In Fig. 4, one end of groundwork mechanism is fixedly connected on the second linear brake 7 by straight pin 20, and the other end of groundwork mechanism is fixed on support bar 2 by straight pin 21.And the second linear brake 7 is connected in support bar 2 by straight pin 19, have a certain degree with support bar 2 shapes.Thus, when the second linear brake 7 vertically moves, can drive groundwork mechanism to move together, but, because the other end of groundwork mechanism is fixed on support bar 2 by straight pin 21, cannot follows the second linear brake 7 and make vertical motion, on the contrary, groundwork mechanism swings because the second linear brake 7 is converted into along continuous straight runs, to fit better branch.
Schematic diagram in the groundwork mechanism of Fig. 5 A explanation electric lopping device during annular saw 13 feeding; Schematic diagram when annular saw 13 is return in the groundwork mechanism of Fig. 5 B explanation electric lopping device.As previously mentioned, the first linear brake 5 has been installed in one end of connecting rod 1, and when pressing operation handgrip 3 and while starting the first linear brake 5, driving wheel 10 rotates, and by make the circular motion of driven crop rotation certain radian with transmission, to realize the feeding of annular saw 13.By approach switch 9, guarantee the suitable amount of feeding of annular saw 13.In being fed into the range ability of approach switch 9, approach switch 9 will feedback signal, and annular saw 13 is return.
Adopt electric lopping device of the present invention, between connecting rod 1 and support bar 2, insert other connecting rod and/or support bar, after groove by joint portion of connecting rod and support bar and connector lock and connect, can freely according to branch height, regulate the working depth of the groundwork mechanism of pruning machine, time saving and energy saving.In addition, one end of the groundwork mechanism of pruning machine is fixedly connected on the second linear brake by straight pin, the other end is fixedly connected on support bar top by straight pin, thereby when the second linear brake vertically moves, by groundwork mechanics limit, be that along continuous straight runs swings, thereby can fit with branch better, improve operating efficiency.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, without departing from the spirit and scope of the present invention in the situation that, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replacement all drop in the claims in the present invention book limited range.

Claims (8)

1. an electric lopping device, comprises an operator handle, a connecting rod, a support bar He Yi groundwork mechanism, it is characterized in that,
Described connecting rod is the tubular structure of hollow, the inwall of this tubular structure has a plurality of grooves, one end of described connecting rod is fixedly connected with described operator handle, one end of described support bar has the connector matching with described groove, and described support bar is by inserting connector groove to be fixedly connected on the other end of described connecting rod, between wherein said connecting rod and described support bar, can also insert other connecting rod
Described groundwork mechanism comprises the first motor, the second motor, solid mechanical pawl, mobile machine pawl, driving wheel, driven pulley and annular saw, described driving wheel, driven pulley and mobile machine pawl are all positioned at the inside of solid mechanical pawl, described the first motor is installed on a side of solid mechanical pawl to drive driving wheel, described the second motor is installed on the opposite side of solid mechanical pawl to control the closure of mobile machine pawl and to open, annular saw is installed on driven pulley
Described electric lopping device also comprises the first linear brake and the second linear brake, and wherein the first linear brake is positioned at one end of described connecting rod, and described the second linear brake is fixedly installed between described support bar and described groundwork mechanism;
Described the second linear brake is fixed on by the first straight pin in one end of described groundwork mechanism, the other end of described groundwork mechanism is fixed on the other end of described support bar by the second straight pin, described the second linear brake is fixedly connected with described support bar angled with support bar by three cylindrical pin, when described the second linear brake vertically moves, described groundwork mechanism along continuous straight runs swings, with the branch of fitting better;
The axle of described the first motor is fixedly connected with driving wheel, and by controlling described operator the first upper linear brake, described the first motor drives driving wheel and drives the circular motion of driven crop rotation certain radian.
2. electric lopping device as claimed in claim 1, is characterized in that, the below of described driven pulley is also provided with an approach switch, guarantees the amount of feeding of annular saw by this approach switch, and when annular saw is fed within the range of approach switch, annular saw is return.
3. electric lopping device as claimed in claim 1, it is characterized in that, the worm shaft of mobile machine pawl and the second motor matches, and drives mobile machine pawl to make the circular motion of arc by the worm shaft of the second motor, thereby with closed mobile machine pawl clamping branch; After branch pruning finishes, the worm shaft by the second motor drives mobile machine pawl to make rightabout circular motion, to open mobile machine pawl.
4. electric lopping device as claimed in claim 1, is characterized in that, below described solid mechanical pawl and near the position of annular saw, is also provided with a camera, for taking in real time the pruning process of branch.
5. electric lopping device as claimed in claim 4, is characterized in that, described electric lopping device is also provided with a display screen, is fixedly connected on described connecting rod and is positioned at the top of operator handle, the pruning process of checking branch for operating personnel.
6. electric lopping device as claimed in claim 1, is characterized in that, around the annular saw of described solid mechanical pawl inside, also comprises a protective cover.
7. electric lopping device as claimed in claim 1, is characterized in that, can also add support bar and/or the connecting rod of some quantity between described connecting rod and support bar, to adjust the working depth of described groundwork mechanism.
8. electric lopping device as claimed in claim 1, it is characterized in that, described electric lopping device also comprises an extension spring, and one end of this extension spring is connected in solid mechanical pawl, the other end is connected on the band hub that surrounds driving wheel and driven pulley, utilizes the initial position of extension spring reflex circle of position saw.
CN201010228336.5A 2010-07-16 2010-07-16 Motor-driven pruning machine Active CN102334421B (en)

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CN102334421B true CN102334421B (en) 2014-04-09

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Publication number Priority date Publication date Assignee Title
CN104482061B (en) * 2014-12-02 2017-04-05 广西大学 A kind of drive rod joint
CN104770228A (en) * 2015-03-26 2015-07-15 淮南圣丹网络工程技术有限公司 Intelligent machine for trimming crops
GB201615290D0 (en) * 2016-09-08 2016-10-26 Soederberg Ramon Improved branch cutter
CN107360875A (en) * 2017-09-21 2017-11-21 庄亮 Trees training device

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Publication number Priority date Publication date Assignee Title
JP3138903B2 (en) * 1994-07-15 2001-02-26 株式会社丸山製作所 Pruning machine
US5933965A (en) * 1997-07-12 1999-08-10 Fiskars Inc. Extendable tool
CN2724407Y (en) * 2004-03-03 2005-09-14 南京林业大学 Electric saw for cutting high branches of trees
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CN201207834Y (en) * 2008-04-02 2009-03-18 张永华 Novel pole pruning saw
CN201440837U (en) * 2009-04-22 2010-04-28 山东农业大学 Tobacco topping and sterilizing combined operation device
CN201726694U (en) * 2010-07-16 2011-02-02 常州远量机器人技术有限公司 Electric pruning machine

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