CN112602483A

CN112602483A - Branch sawing machine

Info

Publication number: CN112602483A
Application number: CN202011544369.0A
Authority: CN
Inventors: 邓伟
Original assignee: Suzhou Gantai Precision Machinery Co ltd
Current assignee: Suzhou Gantai Precision Machinery Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-04-06

Abstract

The invention discloses a branch sawing machine which comprises a branch sawing machine body, wherein a cutting depth maintaining structure is arranged on a cutting saw chain of the branch sawing machine body, the cutting depth maintaining structure comprises at least two interference parts and is used for stabilizing the position of a branch and ensuring that the depth of a cut is within a design range, and at least one interference part is arranged at a position exceeding the top of the cutting saw chain so as to be convenient for interfering and stabilizing the branch. According to the branch sawing machine provided by the invention, the protective cut is cut below the tree branch firstly, so that the tree trunk is prevented from being damaged, the position of the tree branch is stabilized through the abutting part after the branch sawing machine is placed at the cutting position, the tree branch is prevented from shaking and the like in the cutting process, the depth of the cut can be ensured to be not deep or not shallow, the cut can be always kept in the design range, the cutting saw chain cannot be blocked, the working efficiency is high, the service life is long, and the market application prospect is wide.

Description

Branch sawing machine

Technical Field

The invention belongs to the technical field of branch sawing machines, and particularly relates to a branch sawing machine.

Background

When pruning the branches, a protective cut must be cut at a distance from the trunk at the lower part of the branch in order to ensure that the trunk is not damaged. At present, all chain saws sold in the market have to be turned over for use or directly cut by a chain on the upper part of the chain saw when a protective cut is cut, the operation is very unsafe, the operation is inconvenient, the cutting depth is not well controlled, the chain is clamped due to too deep cutting, and the function of protecting the trunk due to too shallow cutting is not achieved. If the protective cuts are not cut, the lower part of the branch easily tears the trunk when broken, causing destructive effects on the trunk.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a branch sawing machine.

In order to achieve the purpose and achieve the technical effect, the invention adopts the technical scheme that:

the utility model provides a branch sawing machine, includes the branch sawing machine body, be provided with cutting depth on the branch sawing machine body and keep the structure, cutting depth keeps the structure to include two at least conflict portions for stabilize branch position and ensure that the incision degree of depth is in the design range, have at least one conflict portion sets up in the position that surpasss cutting saw chain top, in order to make things convenient for the conflict to stabilize the branch.

Furthermore, at least one of the interference parts is provided with a vertex angle, and the angle of the vertex angle is flexibly selected according to actual requirements.

Further, the horizontal distance between two adjacent interference parts in the cutting depth maintaining structure is 8mm at the minimum.

Further, the vertical distance between the position of the abutting part arranged beyond the top of the cutting saw chain and the position of the top of the cutting saw chain is 12.5mm at the minimum.

Further, cutting depth keeps structure to include two relative conflict portions, transitional coupling between two conflict portions, like circular arc transitional coupling, two conflict portions are conflict portion A and conflict portion B respectively, and conflict portion A sets up in the position that surpasss cutting saw chain top, and conflict portion A top has apex angle or closed angle, be convenient for better with wait to cut the branch contact and stabilize the branch.

Furthermore, the cutting depth maintaining structure is arranged on one side of the cutting saw chain of the branch sawing machine body.

Furthermore, branch sawing machine body is connected with baffle, cutting saw chain, driving sprocket, motor and gripping handle, the cutting saw chain is installed in the inslot of baffle, and driving sprocket meshes with the cutting saw chain, sets up the switch who is connected with the motor and the trigger of being connected with switch on the gripping handle, and the trigger starts the motor through pressing switch, and the motor is connected with driving sprocket and drives the in-slot removal of cutting saw chain at the baffle through driving sprocket, accomplishes the cutting operation.

Compared with the prior art, the invention has the beneficial effects that:

the invention discloses a branch sawing machine which comprises a branch sawing machine body, wherein a cutting depth maintaining structure is arranged on a cutting saw chain of the branch sawing machine body, the cutting depth maintaining structure comprises at least two interference parts and is used for stabilizing the position of a branch and ensuring that the depth of a cut is within a design range, and at least one interference part is arranged at a position exceeding the top of the cutting saw chain so as to be convenient to abut against and stabilize the branch. According to the branch sawing machine provided by the invention, the protective cut is cut below the tree branch firstly, so that the tree trunk is prevented from being damaged, the position of the tree branch is stabilized through the abutting part after the branch sawing machine is placed at the cutting position, the tree branch is prevented from shaking and the like in the cutting process, the depth of the cut can be ensured to be not deep or not shallow, the cut can be always kept in the design range, the cutting saw chain cannot be blocked, the working efficiency is high, the service life is long, and the market application prospect is wide.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIGS. 3 to 4 are partially enlarged views illustrating the cut depth maintaining structure according to the present invention;

FIG. 5 is a state view of the branch sawing machine of the present invention before cutting the branches;

FIG. 6 is a view of the tree of the present invention after cutting;

FIG. 7 is a schematic view of a rotatable state of a grip handle according to embodiment 1 of the present invention; fig. 7a is a schematic structural diagram of the grip handle according to embodiment 1 of the present invention after being rotated rightward, fig. 7b is a schematic structural diagram of the grip handle according to embodiment 1 of the present invention before being rotated, and fig. 7c is a schematic structural diagram of the grip handle according to embodiment 1 of the present invention after being rotated leftward;

FIG. 8 is a schematic structural view of a rotation adjusting knob and an anti-self-locking knob according to embodiment 1 of the present invention;

FIGS. 9 to 10 are schematic views showing the construction of the embodiment 1 of the present invention in which the rotation knob is not locked when the trigger is in the natural release state;

FIG. 11 is a schematic structural view showing that the rotation regulating button is locked when the trigger of embodiment 1 of the present invention is in the press-operated state;

fig. 12 is a schematic structural view illustrating the anti-self-locking button according to embodiment 1 of the present invention in a natural release state when the rotation adjustment button is not locked; FIGS. 12a-12b are schematic structural views of the rotary knob when it is unlocked;

FIG. 13 is a partially enlarged view of the position relationship between the anti-lock button and the rotation adjusting button when the anti-lock button is in a natural release state in FIG. 12 according to the present invention;

FIG. 14 is a schematic structural view showing that the rotation regulating button is locked when the anti-self-locking button is pressed to a trigger releasing state in embodiment 1 of the present invention; FIGS. 14a-14b are schematic views showing the structure of the rotation adjustment button when it is locked; FIGS. 14c to 14d are views showing the positional relationship between the anti-lock button and the rotation adjusting button when the anti-lock button is pressed to a trigger releasing state, respectively;

FIG. 15 is an enlarged view of FIG. 14c of the present invention;

FIG. 16 is an enlarged view of FIG. 14d of the present invention;

wherein, 1, cutting a saw chain; 1-1, branch; 2. a contact part A; 3. a contact part B; 4. a guide plate; 5. a drive sprocket; 6. a motor; 7. a grip handle; 8. a power switch; 9. a trigger; 10. a transmission system; 11. rotating the adjusting button; 12. a restoring elastic member; 13. a first boss portion; 14. a locking mechanism; 15. a second boss portion; 16. an anti-self-locking button; 17. a limiting part.

Detailed Description

The following detailed description of the embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to clearly and clearly define the scope of the present invention.

As shown in fig. 1-6, a branch sawing machine comprises a branch sawing machine body, the branch sawing machine body comprises a cutting saw chain 1, a guide plate 4, a driving chain wheel 5, a motor 6 and a holding handle 7, the cutting saw chain 1 is installed in a groove of the guide plate 4, the driving chain wheel 5 is meshed with the cutting saw chain 1, a power switch 8 connected with the motor 6 and a trigger 9 connected with the power switch 8 are arranged on the holding handle 7, the trigger 9 starts the motor 6 by pressing the power switch 8, the motor 6 is connected with the driving chain wheel 5 by a transmission system 10 (transmission gear), after the motor 6 is started, the power is transmitted to the driving chain wheel 5 by the transmission system 10, and then the driving chain wheel 5 is driven to drive the cutting saw chain 1 to move in the groove of the guide plate 4, so as to complete the cutting operation; a cutting depth keeping structure is arranged on a cutting saw chain 1 of the branch sawing machine body and comprises at least two contact parts in transitional connection, the position of a branch 1-1 to be cut is stabilized through the contact parts, the cut depth is ensured to be within a design range, and at least one contact part is arranged at a position exceeding the top of the cutting saw chain 1 so as to be convenient to stably contact the branch 1-1.

As a more preferable embodiment, at least one of the interference parts (top) has a vertex or a sharp corner, so that the tree can be easily penetrated when a thick and big tree is cut, and the position of the branch 1-1 can be better stabilized.

As a more preferable embodiment, the horizontal distance between two adjacent interference parts in the cutting depth maintaining structure is 8mm at the minimum.

As a more preferable embodiment, the vertical distance between the position of the interference portion disposed beyond the top of the saw chain and the position of the apex of the saw chain 1 is at least 12.5 mm.

As a more preferable embodiment, the cutting depth maintaining structure of the branch sawing machine of the present invention comprises two opposite interference parts, the two interference parts are connected in an arc shape, the two interference parts are respectively an interference part A2 and an interference part B3, the interference part A2 is disposed at a position beyond the top of the cutting saw chain 1, the top of the interference part A2 has a top angle or a sharp corner, which facilitates better contact with the branch 1-1 to be cut and stabilizes the branch 1-1.

The working principle of the motor 6 for driving the cutting saw chain 1 is the same as that of the prior art, and only the cutting saw chain 1 can be ensured to normally run by adopting the existing equipment.

The invention can design the holding handle 7 and the main body of the branch sawing machine into an integrated structure according to actual requirements, the holding handle 7 is not movable at the moment, and the holding handle 7 can also be designed to rotate and adjust relative to the main body of the branch sawing machine, so that a user can conveniently find the optimal cutting angle and the accessibility is improved.

The working principle of the invention is as follows:

firstly, a protection opening is cut below a branch 1-1 to be cut to avoid the whole trunk from being damaged, the branch sawing machine disclosed by the invention is placed at the cutting position of the branch 1-1, the position of the branch 1-1 is stabilized through the contact part of the cutting depth maintaining structure to prevent the branch 1-1 from shaking and the like in the cutting process, the motor 6 is started through the trigger 9, the motor 6 drives the driving chain wheel 5 through the transmission system 10 to drive the cutting saw chain 1 to move in the groove of the guide plate 4, the cutting operation is started, the branch 1-1 is broken at the branch tearing opening and is broken at the protection opening, other branches cannot be torn down along the belt, the cutting process is dry and sharp, the cutting depth is not too deep or too shallow, the cutting saw chain 1 is always kept in the design range, the cutting saw chain 1 cannot be clamped, the working efficiency is high, the service life is long,

example 1

As shown in fig. 1-16, a branch sawing machine comprises a branch sawing machine body, the branch sawing machine body comprises a cutting saw chain 1, a guide plate 4, a driving chain wheel 5, a motor 6 and a holding handle 7, the cutting saw chain 1 is arranged in a groove of the guide plate 4, the driving chain wheel 5 is engaged with the cutting saw chain 1, the holding handle 7 is provided with a power switch 8 connected with the motor 6 and a trigger 9 connected with the power switch 8, the trigger 9 starts the motor 6 by pressing the power switch 8, the motor 6 is connected with the driving chain wheel 5 by a transmission system 10 (transmission gear), the driving chain wheel 5 is driven by the transmission system 10 after the motor 6 is started to drive the cutting saw chain 1 to move in the groove of the guide plate 4 for cutting operation, the cutting saw chain 1 of the branch sawing machine body is provided with a cutting depth maintaining structure, the cutting depth maintaining structure comprises two opposite contact parts, and the two contact parts are connected in an arc shape, the tree pruning device is used for stabilizing the position of a branch 1-1 and ensuring that the depth of a cut is within a design range, the two collision parts are a collision part A2 and a collision part B3 respectively, the top of the collision part A2 is provided with a vertex angle or a closed angle, so that the tree pruning device can be conveniently inserted into the branch 1-1 when a thick and big branch is cut, and the position of the branch 1-1 can be better stabilized.

The horizontal distance between the interference part A2 and the interference part B3 in the cutting depth maintaining structure is 8mm at the minimum. The vertical distance between the collision part A2 and the vertex position of the cutting saw chain 1 is 12.5mm at least.

In order to facilitate the user to find the best cutting angle and improve the accessibility, the holding handle 7 of the embodiment 1 can perform the rotation adjusting movement relative to the main body of the tree cutting machine, more specifically, the main body of the tree cutting machine is further provided with a rotation adjusting button 11, a reset elastic piece 12, a locking mechanism 14 and an anti-self-locking button 16, the rotation adjusting button 11 is interlocked with at least one of the anti-self-locking button 16 and the trigger 9, so as to ensure that the main body of the tree cutting machine has only one state of the operation state and the rotation movement state of the holding handle 7, when the trigger 9 presses the power switch 8 to be switched on or switched off, the main body of the tree cutting machine has only one state of the operation state and the rotation movement state of the holding handle 7, the reset elastic piece 12 is arranged between the rotation adjusting button 11 and the holding handle 7, and the reset elastic piece 12 is a spring for the reset function.

The rotating shaft can be vertically arranged at one end of the branch sawing machine body, which is close to the holding handle 7, so that the holding handle 7 rotates around the rotating shaft relative to the branch sawing machine body, the rotating shaft can be used as an independent part, or the rotating shaft can not be arranged, only the rotating shaft 18 is required to be formed on the branch sawing machine body, and the holding handle 7 can rotate around the rotating shaft 18 relative to the branch sawing machine body leftwards or rightwards.

The first protruding portion 13 matched with the locking mechanism 14 is arranged on the rotation adjusting knob 11, the locking mechanism 14 of this embodiment 1 can be designed to be arranged on the saw chain mechanism near the engaging teeth or the locking groove on one side of the holding handle 4 as required, when the first protruding portion 11 is clamped on the locking mechanism 14, the rotation adjusting knob 11 is locked, the holding handle 4 is in the locking state, and the rotation adjusting movement cannot be performed.

Still set up second bellying 15 on the rotary adjusting knob 11, anti-from locking knob 16 go up set up the face relative and with two transitional coupling's of second bellying 15 looks adaptation spacing portion 17, realize rotary adjusting knob 11's locking through spacing portion 17 butt second bellying 15, when second bellying 15 moves in the inslot between two spacing portions 17, rotary adjusting knob 11 is not locked by anti-from locking knob 16.

The rotation adjusting knob 11 of this embodiment 1 can drive the handle 4 and rotate together, also can design not to follow the handle 4 and rotate together, and rotation adjusting knob 11 rotary motion also can carry out translational motion, and locking mechanical system 14 can design on saw chain mechanism, also can design on the handle 4 that grips, only needs to ensure that locking mechanical system 14 can lock rotation adjusting knob 11 and can be through whether the locking of rotation adjusting knob 7 is controlled the handle 4 that grips and whether can carry out rotary motion relatively saw chain mechanism.

When the trigger 9 is in a natural release state, the power switch 8 on the holding handle 7 is switched off, the branch sawing machine is not powered on and is not started, at the moment, cutting operation can not be carried out, the trigger 9 has no position limitation on the rotation adjusting button 11, the rotation adjusting button 11 is in a free adjusting state, the rotation adjusting button 11 can be freely operated, the rotation adjusting button 11 is separated from locking engagement of the locking mechanism 14 and the anti-self-locking button 16, the holding handle 7 is in a rotatable motion state, the position of the holding handle 7 can be randomly adjusted, the rotation adjusting button 11 is not locked by the trigger 9, the anti-self-locking button 16 and the locking mechanism 14, the holding handle 7 does left and right rotation adjusting motion around a rotation axis 18 relative to the branch sawing machine body or the guide plate 4, the angle between the holding handle 7 and a cutting surface is adjusted, an operator can find a proper cutting angle, and reset is realized by the, the trigger 9 is not operated during the rotation and the branch sawing machine remains inactive.

Fig. 11 is a schematic structural diagram of the embodiment 1 when the rotation adjusting knob 11 is locked when the trigger 9 is in the pressing operation state, the trigger 9 presses the power switch 8 on the grip handle 7 to turn on the power, the branch sawing machine is in the operation state, the top of the trigger 9 abuts against the bottom of the rotation adjusting knob 11, the rotation adjusting knob 11 is locked by the trigger 9 and the locking mechanism 14, the first protruding portion 13 is interlocked with the locking mechanism 14, as indicated by the black circle in fig. 11, at this time, the grip handle 7 is in the locking state and cannot perform the rotation adjusting movement, and the position of the grip handle 7 is fixed.

When the first protruding part 13 on the rotary adjusting knob 11 is clamped on the locking mechanism 14, the rotary adjusting knob 11 is locked, the holding handle 7 is in a locking state at the moment, angle position adjustment cannot be carried out, safety accidents caused by the position of the holding handle 7 due to misoperation when the branch sawing machine is in operation are avoided, and use safety is improved.

When the anti-self-locking button 16 is in a natural release state, the trigger 9 is locked, the trigger 9 is in a natural release state, the branch sawing machine is not powered on and is not started, at the moment, the rotary adjusting button 11 can move in a groove between the two limiting parts 17 which are opposite in surface, the limiting parts 17 of the anti-self-locking button 16 cannot limit the movement of the rotary adjusting button 11, the rotary adjusting button 11 is not locked by the trigger 9, the anti-self-locking button 16 and the locking mechanism 14, at the moment, the holding handle 7 is in a rotary movement state and is used for adjusting the angle between the holding handle 7 and a cutting surface, the anti-self-locking button 16 cannot be operated in the rotary process, and the branch sawing machine is not powered on and started.

When the anti-self-locking button 16 is pressed to a trigger releasing state, the power switch 8 on the holding handle 7 is controlled by the trigger 9 to be switched on or off for controlling the starting and stopping of the branch sawing machine. When the anti-self-locking button 16 is pressed to a trigger releasing state, when the power switch 8 on the holding handle 7 is controlled by the trigger 9 to be powered on, the branch sawing machine is started, the anti-self-locking button 16 is abutted against the bottom of the rotary adjusting button 11, the limiting part 17 of the anti-self-locking button 16 is abutted against the second protruding part 15 at the bottom of the rotary adjusting button 11, at the moment, the locking mechanism 14 and the anti-self-locking button 16 jointly lock the rotary adjusting button 11 to limit the movement of the rotary adjusting button 11, the rotary adjusting button 11 cannot be normally operated after being locked, the rotary adjusting button is always in a locking position, the holding handle 7 cannot be in rotary adjusting movement relative to the branch sawing machine body, the holding handle 7 is fixed in position, but the branch sawing machine is in a normal operation state, and the use safety is.

When the branch sawing machine provided by the invention is used for cutting branches and the like, a proper cutting angle can be selected by adjusting the angle of the holding handle 7 relative to the cutting surface according to actual requirements, so that fallen branches and other cut objects are completely avoided, reverse operation can be carried out, the branch sawing machine is closer to the ground for cutting, the approachability is strong, and the practical value is high.

The working principle of the invention is as follows:

the tree pruning machine disclosed by the invention is placed at the cutting position of the tree branches, the positions of the tree branches are stabilized through the abutting part of the cutting depth maintaining structure, the tree branches are prevented from shaking and the like in the cutting process, the motor 6 is started through pressing the trigger 9, the motor 6 drives the driving chain wheel 5 through the transmission system 10 and then drives the cutting saw chain 1 to move in the groove of the guide plate 4, the tree branch cutting operation is started, the tree branches are broken at the branch tearing opening and cut off at the protecting opening, other tree branches cannot be torn down along the belt, the cutting process is dry and crisp, the cutting depth is not too deep or too shallow, the cutting saw chain 1 is always kept in the design range, the cutting saw chain 1 cannot be clamped, the working efficiency is high, the service life is long, the position of the holding handle 7 can be adjusted in a rotating mode according to actual requirements, and the optimal cutting angle is found.

The parts of the invention not described in detail can be realized by adopting the prior art, and the details are not described herein.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a branch sawing machine, its characterized in that, includes the branch sawing machine body, be provided with cutting depth on the branch sawing machine body and keep the structure, cutting depth keeps the structure to include two at least conflict portions for stabilize the branch position and ensure that the depth of cut is in design range, at least one conflict portion sets up in the position that surpasss cutting saw chain top, in order to make things convenient for the conflict to stabilize the branch.

2. A branch sawing machine as claimed in claim 1, characterized in that at least one of said abutments has a vertex angle.

3. A branch sawing machine as claimed in claim 1, characterized in that the horizontal distance between two adjacent abutments in the cutting depth retention arrangement is at least 8 mm.

4. A branch sawing machine as claimed in claim 1, characterized in that the vertical distance between the abutment located beyond the top of the cutting saw chain and the location of the top of the cutting saw chain is at least 12.5 mm.

5. A branch sawing machine as claimed in claim 1, characterized in that the cutting depth retention means comprise two opposing abutments which are in transitional connection with each other.

6. The branch sawing machine according to claim 1, wherein the branch sawing machine body is connected with a guide plate, a cutting saw chain driving sprocket, a motor and a holding handle, the cutting saw chain is mounted in a groove of the guide plate, the driving sprocket is meshed with the cutting saw chain, a power switch connected with the motor and a trigger connected with the power switch are arranged on the holding handle, the trigger starts the motor by pressing the power switch, the motor is connected with the driving sprocket and drives the cutting saw chain to move in the groove of the guide plate through the driving sprocket, and the cutting operation is completed.