968 results about "Chain saw" patented technology

The invention provides a chain saw and a cutting tool, and the chain saw comprises a working part which comprises a guide plate and a chain; the main body part comprises a shell; a motor accommodated in the housing; the driving circuit is electrically connected to the motor; a controller accommodated in the housing; the motion detection device is in associated connection with the main body part or the working part, is connected with the controller and is used for detecting the motion variation of the main body part or the working part in at least one direction; the controller is configured to control the motor to enter a braking process when the motion detection device detects that the motion variation of the main body part or the working part in at least one direction exceeds a preset condition; the chain saw is configured to be in communication connection with external equipment; the external device is at least configured for a user to set information related to a preset condition. By the adoption of the technical scheme, the chain saw with the rapid braking function can be provided.

A chainsaw includes a housing with a body portion and a motor portion disposed on a left or right side of the body portion, a guide plate, a chain, a drive assembly including an electric motor, a power supply device, a top handle, a side handle and a circuit board assembly. The top handle is disposed on and connected to an upper side of the body portion, and the rear portion is located below a handle rear end of the top handle. The side handle is disposed on a same side of the body portion together with the motor portion. The circuit board assembly is disposed in the rear portion of the body portion, and located between the power supply device and the drive assembly in a front and rear direction. An overall length of the chainsaw is smaller than or equal to 230 mm.

A chainsaw includes a housing formed with or connected to at least a handle for a user to hold; a guide plate configured to support and guide a chain, where an end of the guide plate is supported by the housing; a power supply device including at least one battery pack detachably connected to the housing to provide electrical energy for the chainsaw; and a display device mounted to the housing and configured to display a current state of the chainsaw. The display device has a display plane, and the angle β between the display plane and a bottom plane perpendicular to a guide plate plane is greater than or equal to 25° and less than or equal to 75°.

A lubrication system for a chainsaw, the lubrication system including a reservoir housing a lubricant, a fluid conduit extending between the reservoir and a location adjacent to a chain of the chainsaw, a pump configured to move lubricant from the reservoir to the location adjacent to the chain, and a valve disposed along the fluid conduit. The valve has a lubricant inlet that receives lubricant from the reservoir, an air inlet, and an outlet that provides lubricant to the location adjacent to the chain. The valve is movable between an open position whereby lubricant passes from the lubricant inlet to the outlet and a closed position whereby the outlet is in fluid communication with the air inlet. The valve moves between the open and closed positions in response to a user input.

The disclosure provides a chain saw, which includes: a case; a working component extending out of the case, the working component having a cutting element and a guide plate supporting the cutting element; a power drive device, including a motor positioned in the case, the motor drives the cutting element to move around the guide plate; a switch trigger, arranged on the case and starts the motor; and a lubricating component, arranged in the case and provides oil for the cutting element. The chain saw includes a lock knob capable of locking and releasing the switch trigger. The lubricating component includes an oil bubble arranged in the case and is close to the lock knob. The lock knob compresses the oil bubble to perform an oil discharging operation in a process from locking the switch trigger to releasing the switch trigger. The lubricating component delivers oil to the cutting element.

A portable work apparatus has a housing, a drive motor arranged in the housing, a guide bar with a longitudinal center axis, and a saw chain. The drive motor drives the saw chain in a rotating manner in a guide groove of the guide bar via a drive sprocket. A longitudinal plane of the guide bar is spanned by the guide groove. A discharge opening for discharging chips from the sprocket area into the outside surroundings is formed on the housing. The discharge opening has a first section formed on the first longitudinal side of the chainsaw, and a height measured parallel to the longitudinal plane and perpendicularly to the longitudinal center axis of the guide bar. The height is at least 5 mm.

An apparatus has a tool having a tool plane and a handle. A longitudinal direction runs in the direction from the handle to the tool. An outer housing has an opening for cooling air. An electric motor is disposed in the housing and an air filter disposed on or in the opening. In a resting position on a horizontal plane, the base faces the plane. A cover lies opposite the base. A lateral surface interconnects cover and base. The outer housing, in a lateral view perpendicularly onto the tool plane, possesses a contour which in a projection onto the tool plane in the direction perpendicular to the tool plane delimits an imaginary housing surface. The filter in a projection onto the tool plane in the direction perpendicular to the tool plane possesses an outer contour delimiting an imaginary surface of at least 5% of the imaginary housing surface.

The invention provides a chain saw and an electric tool, and the chain saw comprises a working part which comprises a guide plate and a chain; the main body part comprises a shell, and the front end of the main body part is configured to be capable of installing a working part; the motor is contained in the shell and outputs power to drive the working part to work; the power supply device is detachably connected to the shell to provide electric energy for the chain saw; the display device is installed on the shell, and the display device is provided with a display interface used for displaying the running state of the chain saw; the control device is at least electrically connected with the display device; the control device is configured to respond to any one of various instructions so as to lighten the display interface. By adopting the technical scheme, the chain saw capable of automatically activating the brightness of the display interface of the display device can be provided.

The invention discloses a hot-rolled pickled steel plate for a saw blade and a manufacturing method of the hot-rolled pickled steel plate. The technical problems that existing high-carbon and high-manganese steel with the thickness of 2.5-7.0 mm for the saw blade is prone to segregation, poor in structure uniformity and thick and large in pearlite structure are mainly solved. According to the technical scheme, the hot-rolled pickled steel plate for the saw blade comprises the following chemical components in percentage by weight: 0.75%-0.85% of C, 0.20%-0.50% of Si, 0.20%-0.50% of Mn, less than or equal to 0.020% of P, less than or equal to 0.005% of S, 0.01%-0.02% of Al, less than or equal to 0.0060% of N, 0.4%-0.8% of Cr, 0.18%-0.28% of V and the balance of Fe and inevitable impurity elements. The metallographic structure of the hot-rolled pickled steel plate is superfine pearlite with the interlamellar spacing of 0.4-0.8 mu m, and the hot-rolled pickled steel plate is used for production of circular saw webs, chain saws, frame saws and the like.

The utility model relates to the technical field of chain saw guide plate assembling, and discloses guide plate chain wheel assembling equipment which comprises a main panel, the main panel is divided into a gear ring placing area, a circular plate placing area, a roller transmission area and an assembling area, the gear ring placing area is arranged on the lower left portion of the main panel, and a plurality of outer gear rings to be taken and used are placed on the gear ring placing area; the circular plate placing area is arranged above the main panel, and a plurality of inner circular plates to be taken and used are placed on the circular plate placing area; the roller transmission area is arranged on the right side of the main panel, and a plurality of cylindrical rollers are placed on the roller transmission area; the assembling area is arranged among the gear ring placing area, the circular plate placing area and the roller transmission area, and a pressing column is arranged on the assembling area. The guide plate chain wheel assembling equipment can automatically fill a gap between an outer gear ring and an inner circular plate with a cylindrical roller, and the assembling efficiency is improved.

The present patent is described as a hydraulic tool for pruning trees close to live electricity lines that, according to its features, enables the formation of a hydraulic tool (1) having its own specific mechanical structure connected to an electrically insulated hydraulic arm and a rotating system with a range of 360°, said structure being based on a lower claw module (2) with articulated rods / claws (2B) and a rotating hydraulic actuator (2E), an intermediate pruning module (3) with an articulated pruning blade (3C), and an upper hydraulic saw module (4) with an articulated chainsaw (4C) and a belt transmission system (4D), with the aim of fully optimizing maintenance operations on overhead power distribution networks by pruning / cutting / sawing trees adjacent to conductors of live electricity distribution lines, eliminating the risk to which technicians are exposed during said routine operations.

The invention relates to an electric starting chain saw, which at least solves the problem that the electric starting mechanism of the existing chain saw on the market is not easy to use, and comprises a chain saw main body, the chain saw main body is provided with a chain saw mechanism and an engine unit for providing power for the chain saw mechanism, and the power output end of the engine unit is in transmission connection with the chain saw mechanism. A magneto-electric starting mechanism is arranged on the chain saw body and comprises an ignition assembly used for igniting the engine unit and a driving motor matched with the ignition assembly.

The invention discloses an electric tool, a chain saw and a control method of the electric tool. The electric tool comprises a functional part and a shell containing and supporting the functional part. The motor is contained in the shell and used for driving the functional part to work; the power supply device is detachably connected to the shell and used for providing electric energy for the electric tool; the controller is accommodated in the shell and is used for controlling the operation of the motor; wherein the controller is configured as follows: under the condition that the motor is started for the first time after the controller is powered on, the motor is controlled to be started in a first starting mode; under the condition that the motor is not started for the first time after the controller is powered on, the motor is controlled to be started in a second starting mode; a first starting acceleration of the motor in the first starting mode is smaller than a second starting acceleration of the motor in the second starting mode.

The utility model provides a double-pack chain saw which comprises a main body shell, a guide plate, a saw chain, an electric motor and a handle, and a first battery pack and a second battery pack are arranged in parallel in the axial direction of forward protruding and extending of the guide plate; the bottoms of the first battery pack and the second battery pack do not protrude out of the bottom of the main body shell; or, the bottoms of the first battery pack and the second battery pack protrude out of the bottom of the main body shell, so that the bottom of the first battery pack and the bottom of the second battery pack jointly form a horizontal supporting part of the chain saw. According to the technical scheme, the first battery pack and the second battery pack are arranged in parallel in the axial direction of forward protruding and extending of the guide plate, so that the layout of the battery packs is more regular and ordered, and operation and use are convenient.

The utility model discloses a chain saw with a quick release function. The chain saw comprises a chain saw main machine and a chain plate assembly, the chain plate assembly is located on the right side of the chain saw main machine, a cover body used for covering the rear end of the chain plate assembly is arranged on the right side of the chain saw main machine, the chain saw main machine is connected with the chain plate assembly through a quick release assembly, and a main driving wheel is arranged on the right end face of the chain saw main machine. A chain saw chain is in power connection between the chain plate assembly and the main driving wheel, the quick release assembly comprises a guide hole formed in the right side of the chain saw main machine, the guide hole is formed in the front-back direction, a sliding block capable of sliding along the guide hole is arranged in the guide hole, and the right end of the sliding block extends out of the guide hole and is connected with the chain plate assembly. A locking assembly and a driving assembly are arranged on the chain saw main machine, the locking assembly is used for locking / unlocking the sliding block, and the driving assembly is used for driving the sliding block to move. The chain saw chain can be rapidly replaced, the replacement efficiency is high, and consumed time is short.

The utility model discloses a main root cutting machine based on a chain saw. The root cutting machine comprises a rack, a gear transmission assembly and a chain saw transmission assembly, the gear transmission assembly is arranged on the upper portion of the rack, the chain saw transmission assembly is located beside the rack, and the chain saw transmission assembly is driven by the gear transmission assembly to rotate through driving of a hydraulic output power shaft. The gear transmission assembly is mainly composed of a transmission shaft, a universal joint and a pair of right-angle bevel gears, one end of the transmission shaft is connected with a hydraulic output power shaft, the other end of the transmission shaft is fixedly connected to one right-angle bevel gear, the two right-angle bevel gears are meshed with each other, and the other right-angle bevel gear is connected with one end of a connecting rod. The other end of the connecting rod is in transmission connection with the chain saw transmission assembly through a universal joint. The chain saw transmission assembly can effectively cut main roots, efficient main root cutting operation can be achieved in cooperation with orchard power machinery, the chain saw can be replaced, and the main root cutting requirements of fruit trees of different varieties can be met.

In a method for maintaining a work tool for performing manual work, in particular a tool, preferably a chainsaw (1), comprising at least one drive element (5) that moves a working element, in particular a saw chain (6), and a display device (8, 8', 8") associated with the work tool, which displays information about the operating status of the work tool, a value, in particular a temperature and / or a time, is measured on the work tool by means of a measuring device (10, 11) of the moving working element. By means of a control device (9) and the display device (8, 8', 8"), a signal is sent to the display device (8, 8', 8") when a predetermined value of the measuring device (10, 11) is reached, in order to indicate a maintenance requirement by means of a display.A corresponding working device comprises at least one working element moved by a drive element (5) and a display device (8, 8', 8") associated with the working device. The working device includes a control device (9) and a measuring device (10, 11) of the moving working element, in particular a temperature measuring device (10) and / or a time measuring device (11). The control device (9) is connected to the display device (8, 8', 8") in order to send a signal to the display device (8, 8', 8") when a predetermined value of the measuring device (10, 11) is reached and to indicate a maintenance requirement by means of a display.

The invention relates to the technical field of chain saws, and discloses a chain saw with a safety protection structure, a second rotating shaft movably penetrates through the interior of a fixed cylinder, a protection frame is fixedly connected to one end of the second rotating shaft and is located on the outer side of a fixed cover body and the outer side of a shell, and the other end of the second rotating shaft is located in the fixed cylinder and movably sleeved with a second torsional spring; the other end of the second rotating shaft is fixedly connected with a push block on the outer side of the second torsional spring, and a touch switch is mounted on the outer side of the fixed cylinder and in the shell. When the chain saw moves downwards to be close to the leg of a person, a blocking frame on a protection frame abuts against the leg of the person, the protection frame is stressed to abut against the bottom of a limiting block and drives a second rotating shaft to rotate, the chain saw is supported through the protection frame, and a saw chain on a guide plate is prevented from being close to the leg of the person; meanwhile, the second rotating shaft rotates to drive the push block to abut against and press the outer side of the touch switch, the circuit is disconnected, the driving motor stops rotating, personnel are prevented from being injured, and guarantee is provided for personnel safety.

The utility model provides a chain saw, which comprises an oil liquid supply system, an oil liquid supply system, an oil liquid supply system, an oil liquid supply system and an oil liquid supply system, and the oil tank is used for storing oil liquid and comprises an oil liquid outlet and an oil liquid inlet; the first end of the oil outlet pipe is connected with the oil liquid outlet; the first end of the oil supply pipe is arranged towards the to-be-lubricated component; the oil pumping assembly comprises a pump body inlet and a pump body outlet, the pump body inlet is connected with the second end of the oil outlet pipe, and the pump body outlet is connected with the second end of the oil supply pipe; the oil pumping assembly can be switched between the forward rotation state and the reverse rotation state so that oil in the oil tank can be pumped out through the oil outlet pipe and supplied to a to-be-lubricated part through the oil supply pipe, or oil in the oil supply pipe can be sucked out and conveyed back into the oil tank through the oil outlet pipe. And residual lubricating oil in the oil pipe may overflow.

Devices (e.g., chain saws, other tools, etc.) are disclosed with a plurality of links arranged in a chain. A first link comprises a hook that engages a recess of a second link, thereby coupling the links and allowing them to pivot with respect to each other. The links may comprise fins adapted to be positioned in corresponding pockets to inhibit lateral dislocation. A gate may be provided to enable the links to be coupled laterally. One or more closures such as deformable ribs may be provided for closing the gate, and / or a snap-fit such as with a retention ledge may be provided for retention of the fin in the pocket. The links may also have a protruding tab adapted to be positioned in an indented socket of an adjacent link. The links may be tapered. A chain may have one or more spacer links.

The application provides a handheld power tool, and relates to the technical field of electric tools.The handheld power tool comprises a housing, a handle arranged on the housing, a motor arranged in the housing, a transmission mechanism comprising a transmission component, a coaxially arranged output disc and a chain wheel, the transmission component being connected with the motor, and the output disc being matched with the transmission component, and a saw chain sleeved on the chain wheel; wherein the center line L1 of the saw chain intersects with the center line L2 of the motor at a first intersection point S1, the center line L1 of the saw chain intersects with the center line L3 of the handle at a second intersection point S2, and the first intersection point S1 and the second intersection point S2 are both arranged on the outer side of the output disc. By arranging the first intersection point S1 and the second intersection point S2 on the outer side of the output disc, the included angle between the saw chain and the motor and the handle is reasonably arranged.

A chainsaw is provided, enabling to remove sawdust conveyed inside a main body efficiently, which has a main body including: a guide bar; a saw chain wound around the guide bar and the drive sprocket; a drive sprocket disposed behind the guide bar, having a rotation shaft in a right / left direction of the main body and rotated to move the saw chain along the guide bar; and a guide wall including an arcuate first wall along the drive sprocket with a predetermined gap from the saw chain and a second wall extended rearward via a connecting portion to the first wall, and when seen from the right / left direction, a angle between: a first direction along a vertical direction of the main body; and a second direction passing through the center of the rotation shaft and an apex of the connecting portion is between 0° and 30°.

The invention discloses a chain saw adaptive control system and method for a feller, and the method comprises the steps: detecting the pressure of a chain saw motor when the feller is in a working state, and obtaining the rotating speed of the chain saw motor based on frequency domain conversion; judging whether the chain saw motor pressure and the chain saw motor rotating speed are within reasonable intervals or not, if not, adjusting the opening degree of a chain saw oil cylinder pilot valve and the opening degree of a chain saw motor pilot valve according to a preset adjustment decision, and finally achieving self-adaptive adjustment of the chain saw feeding speed and the cutting speed. The method is simple and convenient, the operation efficiency can be effectively improved by adjusting the feeding speed and the cutting speed, and the problems of saw blade damage and wood tearing caused by overload of the chain saw can be avoided.

The utility model provides a chain saw and a fastener assembly for the chain saw. The chainsaw includes a guide bar extending from the housing, the guide bar positioned between an inner wall of the housing and a housing inside the housing. The fastener assembly comprises an outer fastener, a rod-shaped stud and an inner fastener. The rod stud includes a plate having a first side, a second side, and an anti-rotation interface. The rod stud includes a first threaded member extending from a first side of the plate and a second threaded member extending from a second side of the plate. A plate is positioned between the guide bar and the housing. The outer fastener is threadably connectable to a first threaded member extending through the housing. A second threaded member is extendable through the housing and is threadably connectable to the inner fastener.

The invention discloses an intelligent sugarcane impurity removing machine, which relates to the technical field of mechanical equipment in the agricultural machinery industry and comprises a machine body, a sorting mechanism, a conveying mechanism, a leaf peeling and impurity removing mechanism, a crushing mechanism, a carriage, a mechanical arm and a tail cutting mechanism, and the sorting mechanism, the conveying mechanism, the leaf peeling and impurity removing mechanism, the crushing mechanism and the carriage are arranged on the machine body. The tail cutting mechanism comprises a vibration platform arranged above the smashing mechanism, a baffle fixedly arranged above the vibration platform and a tail cutting grabbing base arranged above the baffle, the middle of the vibration platform is hollow, the baffle can be detached, a containing space is formed in the tail cutting grabbing base, and the manipulator can vertically place sugarcanes into the containing space; a slide way into which a chain saw can be inserted is formed in the tail cutting claw base, and the chain saw can be used for cutting off sugarcane tails. According to the intelligent sugarcane impurity removing machine, sugarcane tails can be cut off, the yield impurity rate is reduced, and the sugarcane harvesting quality is improved.

The utility model discloses a chain saw mechanism applied to a mechanical arm. The chain saw mechanism comprises an automatic tool changing electric spindle, a connecting base, a transmission mechanism, a lubricating oil supply system and a chain saw. A quick-change chuck is arranged at the output end of the automatic tool changing electric spindle; a first positioning plate is fixed to a shell of the automatic tool changing electric spindle, and a positioning hole is formed in the first positioning plate. The transmission mechanism, the lubricating oil supply system and the chain saw are all mounted on the connecting seat; the lubricating oil supply system is connected with the chain saw; a pin is fixed on the connecting seat, and the automatic tool changing motorized spindle is connected with the connecting seat through the matching of the positioning hole and the pin; a quick-change cutter handle is arranged at the input end of the transmission mechanism, and the automatic cutter-change motorized spindle drives the transmission mechanism through the cooperation of the quick-change chuck and the quick-change cutter handle; the transmission mechanism is used for transmitting the driving force of the automatic tool changing electric spindle to the lubricating oil supply system and the chain saw; the chain saw cutting device can be applied to mechanical production and is matched with a mechanical arm to cut a chain saw, so that the production efficiency and quality are improved.

The utility model provides a chain saw. The chain saw comprises a main body shell; a guide plate provided so as to protrude forward from the main body case; the saw chain is arranged on the periphery of the guide plate in a tensioning manner; an electric motor which is provided inside the main body housing and which rotates the saw chain along the outer periphery of the guide plate; a handle having a gripping portion to be gripped by an operator; the at least one battery pack is assembled on the main body shell in a detachable manner and is suitable for supplying power to the electric motor; when the chain saw is observed from above in the state that the chain saw is arranged on the horizontal supporting surface, the projection of the electric motor and the projection of the at least one battery pack on the horizontal supporting surface are at least partially overlapped. When a user operates and uses the chain saw to conduct cutting operation, due to the fact that the gravity center of the chain saw further deviates towards the front end, the chain saw inclines downwards and forwards due to the dead weight, more labor is saved when the user conducts cutting operation downwards, and the cutting efficiency is improved. Therefore, the user can use and operate conveniently.

The invention provides an oil pumping structure for an electric saw or a chain saw, which comprises a shell of the electric saw or the chain saw, an oil pumping structure body and a lubricating oil way connected with the oil pumping structure body, the oil pumping mechanism body comprises a first pipeline, a second pipeline and an elastic compression pipe arranged between the first pipeline and the second pipeline, and a compression structure capable of compressing the elastic compression pipe to pump oil and a driving structure used for driving the compression structure to rotate are arranged at the matching position of the outer wall of the elastic compression pipe. And the compression structure is provided with at least one compression wheel which is matched with the elastic compression pipe and can extrude the elastic compression pipe, and a rotating frame or a rotating wheel for mounting the compression wheel. The device is simple in structure and small in occupied space.

The utility model relates to the field of tree barrier pruning, and discloses an unmanned aerial vehicle airborne tree barrier pruning electric saw which comprises an unmanned aerial vehicle body, a sliding block is fixedly connected to the lower surface of the unmanned aerial vehicle body, a mounting plate is slidably connected to the lower surface of the sliding block, a buffering assembly is arranged on the inner wall of the mounting plate, and a mounting assembly is arranged on the lower surface of the mounting plate. The bottom end of the installation assembly is provided with an anti-swing holder, the bottom end of the anti-swing holder is fixedly connected with a suspender through a bolt, the inner wall of the bottom end of the suspender is connected with a trimming main body in an inserted mode, the installation assembly comprises a rectangular shell, and the rectangular shell is fixedly connected to the lower surface of an installation plate. During use, the suspender and the unmanned aerial vehicle main body can be quickly fixed through the arranged mounting assembly, meanwhile, through cooperation of the arranged limiting block, the first spring and the gear, the situation that the connecting end of the suspender and the unmanned aerial vehicle main body is loosened due to reverse rotation of the two-way threaded rod can be avoided, and the connecting stability is improved.

The invention provides an intelligent chain saw equipment operation remote monitoring and early warning method combined with the Internet of Things, and relates to the technical field of intelligent monitoring, and the method comprises the steps: connecting a first Internet of Things monitoring assembly to receive a recoil monitoring data set; the acceleration monitoring data, the vibration monitoring data, the torque monitoring data and the angle monitoring data are sent to a remote monitoring center for recoil risk identification, and recoil risk indexes are output; when the recoil risk index is larger than a preset recoil risk threshold value, a recoil risk early warning signal is sent out; activating a second Internet of Things monitoring assembly to collect grip strength data of an operator of the chain saw equipment; minimizing a recoil risk index based on real-time grip strength monitoring data; and the grip optimization parameters are sent to an operator through the remote monitoring center for recoil correction reminding. According to the method and the device, the technical problem that the recoil risk of the chain saw equipment cannot be accurately identified and analyzed in the prior art can be solved, and the technical effects of comprehensively identifying the recoil risk and accurately warning are achieved.