CN115517092A - Transmission type insulating noise-reducing pole pruning saw - Google Patents
Transmission type insulating noise-reducing pole pruning saw Download PDFInfo
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- CN115517092A CN115517092A CN202211185050.2A CN202211185050A CN115517092A CN 115517092 A CN115517092 A CN 115517092A CN 202211185050 A CN202211185050 A CN 202211185050A CN 115517092 A CN115517092 A CN 115517092A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
- A01G3/086—Chain saws
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Abstract
The invention relates to the technical field of pole saws, and discloses a transmission type insulating noise-reducing pole saw, which can carry out self-checking on key fastening standard parts of a saw blade through a torque sensor before use, prevent that some standard parts are screwed up but do not reach rated torque, so that the torque attenuation speed is high in the use process, the fastening part is loosened, potential safety hazards are brought, and the phenomenon that the noise is overlarge when the fastening part does not reach the rated torque and is cut is prevented; when the high-branch saw is used, the current working current of the driving motor is collected in real time, the current state of the saw blade is judged through the current working current, potential safety hazards caused by blockage of the saw blade are prevented, meanwhile, the driving motor is prevented from being overloaded, the rotating speed of the driving motor is adjusted in real time according to the current working current, and the situation that after a high-branch saw trims one section of branch, the driving motor still drives the saw blade to rotate to cause the potential safety hazards can be avoided.
Description
Technical Field
The invention relates to the technical field of pole saws, in particular to a transmission type insulating noise-reducing pole saw.
Background
The high branch saw is a high branch pruning saw, also called as a mower or a motor sickle, is one of garden machines commonly used for pruning trees in landscaping, and is a garden machine with high difficulty and high risk for single-person operation. The main application fields include landscaping, yard maintenance, highway cleaning, forest fire prevention, crop harvesting and the like.
Because the high-branch saw is high in danger when in use, the monitoring of the working state of the electric saw is very important in inspection and use before use, and therefore the potential safety hazard of hanging can be avoided in advance.
Chinese patent 'CN 108617314B' discloses a control method of a pole pruning saw, the pole pruning saw and a storage medium, wherein the method detects whether a calibration switch of the pole pruning saw is turned on or not before the pole pruning saw enters normal work, if so, the pole pruning saw is controlled to enter a calibration state, otherwise, the pole pruning saw is controlled to enter the normal work state; when the pole pruning saw enters a normal working state, the voltage and the current of the motor during working are detected, and when the voltage and the current exceed a preset range, the pole pruning saw is controlled to enter a protection state, so that the service life of the pole pruning saw is prolonged.
However, in the detection process before the operation of the above patent, whether a standard component for fastening the saw blade meets the rated torque is not considered, if the standard component does not meet the rated torque, the torque attenuation speed is high in the use process, the fastener is loosened, and the potential safety hazard is brought.
Disclosure of Invention
In order to solve the problems, the invention provides a transmission type insulating noise-reducing pole pruning saw.
The purpose of the invention can be realized by the following technical scheme:
a driven type insulating noise-reducing pole pruning saw comprises: the saw blade assembly comprises a control assembly, a transmission rod and a saw blade assembly, wherein one end of the transmission rod is fixedly connected with the control assembly, and the other end of the transmission rod is fixedly connected with the saw blade assembly;
the saw blade assembly comprises a saw blade, a torque sensor and a driving motor, wherein the driving motor is used for driving the saw blade to work, and the torque sensor is used for detecting the torque of a key fastening standard component of the saw blade;
the control assembly comprises a main controller, a storage module, a driving module and a processing module;
a main controller: the main controller, the storage module, the driving module and the processing module are connected and used for controlling the whole high-branch saw to work;
a storage module: connected with the main controller and used for storing computer programs and related data;
a driving module: the controller is connected with the main controller and is used for controlling the driving motor to work;
a processing module: and the execution module is used for executing a computer program stored in the storage module.
According to the technical scheme, the control assembly and the saw blade assembly are connected through the transmission rod, the saw blade assembly drives the saw blade to cut branches through the operation of the driving motor, the branches in the high altitude are cut, the control assembly drives the modules to work through the main controller, the core module is the processing module, and in order to enable the high branch saw to be safer and more efficient in the operation process, the processing module controls the driving motor to operate through a control strategy in a computer program.
As a further description of the solution of the invention, the working method of the control assembly comprises the following steps:
step S1: before use, the high branch saw is subjected to self-inspection;
step S2: after the self-checking is completed, the saw blade assembly is moved to a tree barrier position needing to be cut, the processing module starts the driving motor through the driving module and then performs cutting action, and the saw blade cannot be placed on the tree barrier when the processing module is started;
and step S3: the method comprises the steps of collecting the current working current I of a driving motor in real time in the process of cutting a tree barrier by a saw blade 0 And by the present operating current I 0 Judging the current working state of the saw blade;
and step S4: and after cutting, closing the driving motor and returning to the step S2.
Through the technical scheme, a user can complete high branch pruning through the high branch saw provided by the invention.
As a further description of the solution of the present invention, the self-checking in step S1 mainly detects whether the torque of the key fastening standard in the saw blade assembly is attenuated, and the specific method includes the following steps:
s11, judging whether rated torque is met or not according to the torque of the key fastening standard component measured by the torque sensor;
s12, if the torque value does not meet the requirement, setting a torque value of the torque wrench according to the rated torque of the fastening standard part;
s13, aligning a fastening standard part with a torque wrench, rotating clockwise, emitting clear clicking sound when a set torque value is reached, sensing slight vibration on a handle, and continuing to rotate the torque wrench for 3-5 seconds, wherein the torque of the standard part meets the requirement;
and S14, repeating the step S12, and checking the next standard component.
Through the technical scheme, all fastening standard parts in the saw blade assembly can be subjected to self-checking before the high-branch saw provided by the invention is used, so that the condition that some standard parts are screwed as if, but do not reach the rated torque, the torque attenuation speed is high in the using process, the fastening piece is loosened, the potential safety hazard is caused, and the condition that the noise is too high when the fastening piece does not reach the rated torque and the cutting is caused is avoided.
As a further description of the scheme of the present invention, the specific working method of step S3 is:
step S31, setting the drive motor blocking current threshold I 1 ；
Step S32, if the current working current I of the motor is driven 0 Greater than or equal to the threshold value I of the blocking current 1 If the saw blade is judged to be in the cutting blocking state, the processing module transmits the state information to the main controller, and the main controller immediately controls the driving motor to stop working through the driving module after receiving the information;
step S33, if the current working current I of the driving motor is 0 Over current I of driving motor 2 If the saw blade is in the cutting overload state, the processing module transmits the state information to the main controller, and the main controller immediately controls the rotating speed of the driving motor through the driving module after receiving the information;
step S34, if the current working current I of the system is 0 And system no-load current I 3 Satisfies the following formula I 4 For the set judgment parameters:
|I 0 -I 3 |≤I 4 ；
and if the state lasts for more than 0.5 second, the high branch saw is judged to be in a cutting operation completion state, the processing module immediately transmits the state information to the main controller, and the main controller immediately controls the driving motor to stop working through the driving module after receiving the information.
As a further description of the present invention, the method for controlling the rotation speed of the driving motor in step S33 is:
the rotating speed of the driving motor satisfies the following formula:
V k+1 ＝V k +K(I 0 -I 2 )；
V k+1 and V k The rotating speeds at the moment K +1 and the moment K are respectively the adjusting parameters, and the processing module is used for processing the current working current I 0 And driving motor overcurrent I 2 To adjust the driving currentThe rotational speed of the machine.
Through the technical scheme, the current working current of the driving motor is collected in real time, the current state of the saw blade is judged according to the current working current, potential safety hazards caused by the blockage of the saw blade are prevented, meanwhile, the driving motor is prevented from being overloaded, the rotating speed of the driving motor is adjusted in real time according to the current working current, and the situation that the driving motor still drives the saw blade to rotate to cause the potential safety hazards after the operation of trimming one section of branches of the high-branch saw is finished can be avoided.
As a further description of the scheme of the invention, the transmission rod comprises a transmission rod body, one end of the transmission rod body, which is close to the saw blade assembly, is provided with a clamping joint, and two sides of one end of the transmission rod body, which is close to the saw blade assembly, are respectively provided with a first mounting plate and a second mounting plate.
As a further description of the scheme of the invention, a driving motor is fixed on the first mounting plate, a ball screw is fixed on an output shaft of the driving motor, the other end of the ball screw is rotatably connected with the second mounting plate, two first clamping blocks which are symmetrically distributed are slidably arranged on the ball screw, the inner wall of each first clamping block is fixedly connected with a sliding pair of the ball screw, the outer wall of each first clamping block is slidably connected with a clamping head, and when the ball screw rotates, the two clamping blocks slide in different directions.
As a further description of the scheme of the invention, a clamping groove is formed in the top of the first clamping block, a buffer spring is arranged between the first clamping block and the second clamping block, two ends of the buffer spring are respectively and fixedly connected with the first clamping block, a clamping end is arranged at one end of the saw blade assembly close to the transmission rod, and a second clamping block matched with the clamping groove is arranged at the end part of the clamping end.
Through the technical scheme, the ball screw is driven to rotate through the operation of the driving motor, the ball screw rotates to drive the two clamping blocks I to clamp and fix the clamping block II, and therefore the transmission rod is fixed with the saw blade assembly.
As a further description of the solution of the present invention, in step S32, if the saw blade is stuck in the branch to be cut, so that the driving motor cannot stop smoothly, the processing module immediately drives the motor to operate to drive the ball screw to rotate, thereby driving the first two clamping blocks to be away from the clamping end, and realizing the separation of the saw blade assembly from the transmission rod.
Through above-mentioned technical scheme, die waiting to cut trees appearing the saw sword card, when driving motor can't close again, then trigger driving motor operation immediately and drive ball screw and rotate to drive two joint blocks one and keep away from the joint end, realize breaking away from of saw sword subassembly and transfer line, guarantee user of service's safety.
Has the advantages that: 1. before the saw blade is used, the key fastening standard parts of the saw blade can be self-checked through the torque sensor, the situation that some standard parts are screwed as if, but do not reach the rated torque, so that the torque attenuation speed is high in the using process, the fastening piece is loosened, potential safety hazards are caused, and the situation that the noise is too high when the fastening piece does not reach the rated torque and the cutting is caused is also prevented.
2. When the high branch pruning machine is used, the current working current of the driving motor is collected in real time, the current state of the saw blade is judged according to the current working current, potential safety hazards caused by the fact that the saw blade is blocked are prevented, meanwhile, the driving motor is prevented from being overloaded, the rotating speed of the driving motor is adjusted in real time according to the current working current, and the potential safety hazards caused by the fact that the driving motor still drives the saw blade to rotate after a section of branch pruning operation of a high branch saw is finished can be avoided.
3. When the saw blade is stuck in the tree to be cut and the driving motor cannot be turned off, the driving motor is immediately triggered to operate to drive the ball screw to rotate, so that the two clamping blocks are driven to keep away from the clamping end, the saw blade assembly is separated from the transmission rod, and the safety of users is ensured.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic block diagram of a control module according to the present invention;
FIG. 3 is a flow chart illustrating a method of use of the present invention;
FIG. 4 is a first schematic view of the connection between the transmission rod and the saw blade assembly;
FIG. 5 is a second schematic structural view of the joint between the driving rod and the saw blade assembly of the present invention;
description of the drawings: 1. a control component; 2. a transmission rod; 3. a saw blade assembly; 11. a main controller; 12. a storage module; 13. a drive module; 14. a processing module; 21. a transmission rod body; 22. a clamping head; 23. a first mounting plate; 24. a second mounting plate; 25. a drive motor; 26. a ball screw; 27. a first clamping block; 28. a clamping groove; 29. a buffer spring; 33. a clamping end; 34. and a second clamping block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a transmission type noise reduction insulation pole pruning saw, comprising: the sawing machine comprises a control assembly 1, a transmission rod 2 and a sawing blade assembly 3, and is characterized in that one end of the transmission rod 2 is fixedly connected with the control assembly 1, and the other end of the transmission rod 2 is fixedly connected with the sawing blade assembly 3;
the saw blade assembly 3 comprises a saw blade, a torque sensor and a driving motor, the driving motor is used for driving the saw blade to work, and the torque sensor is used for detecting the torque of a key fastening standard component of the saw blade;
the saw blade assembly 3 further comprises a lubricating oil can, and lubricating oil can be automatically added to the saw blade in the using process, so that noise in cutting is reduced.
Referring to fig. 2, the control assembly 1 includes a main controller 11, a storage module 12, a driving module 13 and a processing module 14;
the main controller 11: is connected with the main controller 11, the storage module 12, the driving module 13 and the processing module 14 and is used for controlling the whole high branch saw to work;
the storage module 12: connected with the main controller 11 for storing computer programs and related data;
the driving module 13: the controller is connected with the main controller and is used for controlling the driving motor to work;
the processing module 14: and the main controller 11 is connected to the main controller, and includes an acquisition module for acquiring the operating current of the driving motor and an execution module for executing the computer program stored in the storage module 12.
Referring to fig. 3, the working method of the control assembly 1 includes the following steps:
step S1: before use, the high branch saw is subjected to self-inspection;
the self-checking in the step S1 mainly detects whether the torque of the key fastening standard component in the saw blade assembly 3 is attenuated, and the specific method includes the following steps:
s11, judging whether rated torque is met or not according to the torque of the key fastening standard component measured by the torque sensor;
s12, if the torque value does not meet the requirement, setting a torque value of the torque wrench according to the rated torque of the fastening standard part;
s13, aligning a fastening standard part by using a torque wrench, rotating clockwise to generate clear clicking sound when a set torque value is reached, and sensing slight vibration on a handle, and then continuously rotating the torque wrench for 3-5 seconds, wherein the torque of the standard part meets the requirement;
and S14, repeating the step S12, and checking the next standard component.
Step S2: after the self-checking is completed, the saw blade component 3 is moved to a tree barrier position needing to be cut, the processing module 14 starts the driving motor through the driving module and then performs cutting action, and the saw blade cannot be placed on the tree barrier when the processing module is started;
and step S3: the method comprises the steps of collecting the current working current I of a driving motor in real time in the process of cutting a tree barrier by a saw blade 0 And by the present operating current I 0 Judging the current working state of the saw blade;
the specific working method of the step S3 comprises the following steps:
step (ii) ofS31, setting a driving motor blocking current threshold I 1 ；
Step S32, if the current working current I of the motor is driven 0 Greater than or equal to the threshold value I of the blocking current 1 If the saw blade is in the cutting blocking state, the processing module 14 transmits the state information to the main controller 11, and the main controller 11 immediately controls the driving motor to stop working through the driving module 13 after receiving the information;
step S33, if the current working current I of the motor is driven 0 Over current I of driving motor 2 If the saw blade is judged to be in a cutting overload state, the processing module 14 transmits the state information to the main controller 11, and the main controller 11 immediately controls the rotating speed of the driving motor through the driving module 13 after receiving the information;
the method for controlling the rotation speed of the driving motor in the step S33 includes:
the rotating speed of the driving motor satisfies the following formula:
V k+1 ＝V k +K(I 0 -I 2 )；
V k+1 and V k The rotation speeds at the moment K +1 and K, K being an adjustment parameter, respectively, the processing module 14 being adapted to determine the current operating current I 0 And driving motor overcurrent I 2 The rotational speed of the drive motor is adjusted.
Step S34, if the current working current I of the system is 0 And system no-load current I 3 Satisfies the following formula I 4 For the set judgment parameters:
|I 0 -I 3 |≤I 4 ；
and if the state lasts for more than 0.5 second, the high branch saw is judged to be in a cutting operation completion state, after one branch cutting operation is completed, if the driving motor cannot be controlled to stop rotating in time, unsafe factors can be brought, in order to avoid the overshoot condition, after the cutting operation is judged to be completed, the processing module 14 immediately transmits the state information to the main controller 11, and after receiving the information, the main controller 11 immediately controls the driving motor to stop working through the driving module 13.
And step S4: and after cutting, closing the driving motor and returning to the step S2.
When the high branch saw is used, the control assembly 1 and the saw blade assembly 3 are connected through the transmission rod 2, the saw blade assembly 3 drives the saw blade to cut branches through the operation of the driving motor, the branches in the high altitude are cut, the control assembly 1 drives the modules to work through the main controller 11, the core module is the processing module 14, and in order to enable the high branch saw to be safer and more efficient in the operation process, the processing module 14 controls the operation of the driving motor through a control strategy in a computer program.
The processing module 14 of the invention collects the current working current of the driving motor in real time, judges the current state of the saw blade according to the current working current, prevents potential safety hazards caused by the blockage of the saw blade, simultaneously avoids the overload of the driving motor, adjusts the rotating speed of the driving motor in real time according to the current working current, and can also prevent the potential safety hazards caused by the fact that the driving motor still drives the saw blade to rotate after the operation of trimming a section of branches of a high branch saw is finished.
Referring to fig. 4-5, the transmission rod 2 includes a transmission rod body 21, a clamping joint 22 is disposed at one end of the transmission rod body 21 close to the saw blade assembly 3, and a first mounting plate 23 and a second mounting plate 24 are respectively disposed at two sides of one end of the transmission rod body 21 close to the saw blade assembly 3.
Be fixed with driving motor 25 on the first mounting panel 23, driving motor 25's output shaft is fixed with ball screw 26, ball screw 26's the other end rotates with second mounting panel 24 to be connected, slide on the ball screw 26 and be provided with two joint pieces 27 of symmetric distribution, the vice fixed connection of inner wall and the slip of ball screw 26 of joint piece 27, the outer wall and the joint head 22 sliding connection of joint piece 27, and when ball screw 26 rotated, two joint pieces 27 slided to the direction of difference.
The top of the first clamping block 27 is provided with a clamping groove 28, a buffer spring 29 is arranged between the two first clamping blocks 27, two ends of the buffer spring 29 are fixedly connected with the two first clamping blocks 27 respectively, one end, close to the transmission rod 2, of the saw blade assembly 3 is provided with a clamping end 33, and the end portion of the clamping end 33 is provided with a second clamping block 34 matched with the clamping groove 28.
When the saw blade fixing device is used, the driving motor 25 operates to drive the ball screw 26 to rotate, the ball screw 26 rotates to drive the two clamping blocks I27 to clamp and fix the clamping blocks II 34, and therefore the transmission rod 2 and the saw blade assembly 3 are fixed.
In the step S32, if the saw blade is stuck in the branch to be cut, so that the driving motor cannot stop smoothly, the processing module 14 immediately drives the motor 25 to operate to drive the ball screw 26 to rotate, thereby driving the two first clamping blocks 27 to be away from the clamping end 33, and realizing the separation of the saw blade assembly 3 from the transmission rod 2.
During the use, when the saw sword card is died in waiting to cut trees appearing, when driving motor can't close again, then trigger driving motor 25 operation immediately and drive ball screw 26 and rotate to drive two joint piece 27 and keep away from joint end 33, realize the separation from of saw sword subassembly and transfer line, guarantee user of service's safety.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. A driven type insulating noise-reducing pole pruning saw comprises: the sawing machine is characterized in that one end of the transmission rod (2) is fixedly connected with the control assembly (1), and the other end of the transmission rod (2) is fixedly connected with the sawing knife assembly (3);
the saw blade assembly (3) comprises a saw blade, a torque sensor and a driving motor, wherein the driving motor is used for driving the saw blade to work, and the torque sensor is used for detecting the torque of a key fastening standard component of the saw blade;
the control assembly (1) comprises a main controller (11), a storage module (12), a driving module (13) and a processing module (14);
main controller (11): is connected with the main controller (11), the storage module (12), the driving module (13) and the processing module (14) and is used for controlling the whole high branch saw to work;
storage module (12): is connected with the main controller (11) and is used for storing computer programs and related data;
drive module (13): the controller is connected with the main controller and is used for controlling the driving motor to work;
a processing module (14): the device is connected with the main controller (11) and comprises an acquisition module and an execution module, wherein the acquisition module is used for acquiring the working current of the driving motor, and the execution module is used for executing a computer program stored in the storage module (12).
2. The driven insulated noise-reducing pole saw according to claim 1, characterized in that the working method of the control assembly (1) comprises the following steps:
step S1: before use, the high branch saw is subjected to self-inspection;
step S2: after the self-checking is completed, the saw blade assembly (3) is moved to a tree barrier position needing to be cut, the processing module (14) starts the driving motor through the driving module and then performs cutting action, and the saw blade cannot be placed on the tree barrier when the processing module is started;
and step S3: the method comprises the steps of collecting the current working current I of a driving motor in real time in the process of cutting a tree barrier by a saw blade 0 And by the present operating current I 0 Judging the current working state of the saw blade;
and step S4: and after cutting, closing the driving motor and returning to the step S2.
3. The transmission type insulated noise-reducing pole pruning saw according to claim 2, wherein the self-test in the step S1 is mainly to detect whether the torque of a key fastening standard component in the saw blade assembly (3) is attenuated or not, and the specific method comprises the following steps:
s11, judging whether rated torque is met or not according to the torque of the key fastening standard component measured by the torque sensor;
s12, if the torque value does not meet the requirement, setting a torque value of the torque wrench according to the rated torque of the fastening standard part;
s13, aligning a fastening standard part with a torque wrench, rotating clockwise, emitting clear clicking sound when a set torque value is reached, sensing slight vibration on a handle, and continuing to rotate the torque wrench for 3-5 seconds, wherein the torque of the standard part meets the requirement;
and S14, repeating the step S12, and checking the next standard component.
4. The transmission type insulating noise-reducing pole pruning saw according to claim 2, wherein the specific working method of the step S3 is as follows:
step S31, setting the driving motor blocking current threshold I 1 ；
Step S32, if the current working current I of the driving motor is 0 Greater than or equal to the threshold value I of the blocking current 1 If the saw blade is judged to be in the cutting blocking state, the processing module (14) transmits the state information to the main controller (11), and the main controller (11) immediately controls the driving motor to stop working through the driving module (13) after receiving the information;
step S33, if the current working current I of the driving motor is 0 Over current I of driving motor 2 If the saw blade is judged to be in a cutting overload state, the processing module (14) transmits the state information to the main controller (11), and the main controller (11) immediately controls the rotating speed of the driving motor through the driving module (13) after receiving the information;
step S34, if the current working current I of the system is 0 And system no-load current I 3 Satisfies the following formula I 4 For the set judgment parameters:
|I 0 -I 3 |≤I 4 ；
and if the state lasts for more than 0.5 second, the high branch saw is judged to be in a cutting operation completion state, the processing module (14) immediately transmits the state information to the main controller (11), and the main controller (11) immediately controls the driving motor to stop working through the driving module (13) after receiving the information.
5. The transmission type insulating and noise reducing pole pruning saw according to claim 4, wherein the method for controlling the rotation speed of the driving motor in the step S33 is as follows:
the rotating speed of the driving motor satisfies the following formula:
V k+1 ＝V k +K(I 0 -I 2 )；
V k+1 and V k The rotating speeds at the moment K +1 and the moment K are respectively the adjusting parameters, and the processing module (14) is used for processing the current working current I 0 And driving motor overcurrent I 2 The rotational speed of the drive motor is adjusted.
6. The transmission type insulating noise-reducing pole pruning saw according to claim 1, wherein the transmission rod (2) comprises a transmission rod body (21), a clamping joint (22) is arranged at one end of the transmission rod body (21) close to the saw blade assembly (3), and a first mounting plate (23) and a second mounting plate (24) are respectively arranged at two sides of one end of the transmission rod body (21) close to the saw blade assembly (3).
7. The transmission type insulating and noise reducing pole saw according to claim 6, wherein a driving motor (25) is fixed on the first mounting plate (23), a ball screw (26) is fixed on an output shaft of the driving motor (25), the other end of the ball screw (26) is rotatably connected with the second mounting plate (24), two first clamping blocks (27) are symmetrically distributed and slidably arranged on the ball screw (26), the inner wall of each first clamping block (27) is fixedly connected with the sliding pair of the ball screw (26), the outer wall of each first clamping block (27) is slidably connected with the clamping head (22), and when the ball screw (26) rotates, the two first clamping blocks (27) slide in different directions.
8. The transmission type insulating noise-reducing pole pruning saw as claimed in claim 7, wherein a clamping groove (28) is formed in the top of the first clamping block (27), a buffer spring (29) is arranged between the two first clamping blocks (27), two ends of the buffer spring (29) are respectively and fixedly connected with the two first clamping blocks (27), a clamping end (33) is arranged at one end, close to the transmission rod (2), of the saw blade assembly (3), and a second clamping block (34) matched with the clamping groove (28) is arranged at the end portion of the clamping end (33).
9. The transmission type insulation noise reduction pole pruning saw according to claim 4, wherein in the step S32, if the saw blade is stuck in the branch to be cut, so that the driving motor cannot be stopped smoothly, the processing module (14) immediately drives the motor (25) to operate to drive the ball screw (26) to rotate, thereby driving the two clamping blocks I (27) to be far away from the clamping end (33), and realizing the separation of the saw blade assembly (3) and the transmission rod (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211185050.2A CN115517092B (en) | 2022-09-27 | 2022-09-27 | Transmission type insulation noise reduction branches of tall trees saw |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211185050.2A CN115517092B (en) | 2022-09-27 | 2022-09-27 | Transmission type insulation noise reduction branches of tall trees saw |
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| CN115517092A true CN115517092A (en) | 2022-12-27 |
| CN115517092B CN115517092B (en) | 2023-05-16 |
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|---|---|---|---|---|
| US4696108A (en) * | 1984-06-14 | 1987-09-29 | Andreas Stihl | Pruning apparatus |
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