373 results about "Chain saw" patented technology

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 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.

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 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 present invention relates to the technical field of vibration data detection, and specifically relates to an electric chain saw chain device and an operating safety detection method. The method comprises: obtaining a time-series initial noise factor of vibration data at each moment on the basis of the difference between local vibration data in a vibration signal data sequence and distribution of the differences between all adjacent vibration data within a local range, and obtaining a time-series noise factor of the vibration data at each moment by means of distribution of time intervals between all adjacent extreme points in a local vibration data curve; on the basis of the difference between the energy corresponding to a fundamental frequency and the energy corresponding to harmonic frequencies and the degree of disorder in energy distribution of the harmonic frequencies, obtaining a frequency domain noise factor of the vibration data at each moment, and filtering the vibration data to obtain a filtered vibration signal data sequence; and then performing operating safety detection of the electric chain saw chain device. The present invention reduces the interference of environmental noise and improves the accuracy of the operating safety detection of the chain device.

1. The name of the design product: chain saw. 2. The use of the design product: the design product is used for pruning or cutting trees. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. The name of the design product: gasoline chain saw starting cover (25). 2. The use of the design product: starting cover for gasoline chain saw starting cover. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. The name of the design product: cylinder cover of gasoline chain saw (25th). 2. The use of the design product: cylinder cover of gasoline chain saw. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

According to examples, a power tool may include a chassis and a guide bar mounted to the chassis, the guide bar having a central axis. The power tool may also include a handle attached to the chassis above the central axis of the guide bar and a motor housed within the chassis to drive a chain around the guide bar, in which the motor is positioned beneath the central axis of the guide bar and a central axis of the motor is at a certain angle with respect to the central axis. The handle, the motor, and the battery pack mount may be positioned with respect to the chassis to cause the power tool to substantially be balanced in both lateral and longitudinal directions about a location near the trigger mechanism when the battery pack is mounted to the battery pack mount.

A chainsaw, comprising: a main-unit housing having a front portion, a rear portion, and an intermediate portion between the front portion and the rear portion; and a battery pack attached to the rear portion of the main-unit housing and supplying power to at least an electric motor, wherein when the battery pack is attached to the main-unit housing and the chainsaw is stably placed, the orthographic projection of the whole chainsaw is observed in an up-down direction, and in a front-rear direction, the ratio of the overlap length L1 between the battery pack and the main-unit housing to the length L2 of the main-unit housing is greater than or equal to 0.3.

The utility model discloses a starting device for a chain saw, which comprises a protective shell, a driving component and a ratchet component, the protective shell is provided with a connecting shaft, the connecting shaft is in threaded connection with the protective shell, the driving component is sleeved on the connecting shaft and rotates around the connecting shaft, and the ratchet component is sleeved on the connecting shaft and rotates around the connecting shaft. The ratchet wheel assembly is connected with the driving assembly, the driving assembly drives the ratchet wheel assembly to rotate, the structural design is ingenious and reasonable, practicability is high, accurate positioning and installation of the driving assembly and the ratchet wheel assembly are achieved through the connecting shaft, the connecting shaft and the protective shell are in threaded connection, and installation between the connecting shaft and the protective shell is facilitated; therefore, replacement between the connecting shaft and the protective shell is facilitated, the number of parts is reduced, and the production cost is reduced.

A hand-held chainsaw device (1) is described, comprising a motor housing (20) with a first side (21) and an opposing second side (22), the first side (21) having a first opening through which a first drive shaft section (33) projects for driving a sprocket (14), and an electric motor (30) for driving the sprocket (14), wherein a stator (32) of the electric motor (30) is arranged in the motor housing (20) between the first side (21) and the second side (22), and a handle (61) for holding and guiding the chainsaw device (1) with a handle axis (87) extending between the first side (21) and the second side (22), and an oil tank (17) for storing lubricating oil for a saw chain (16) driven by the sprocket (14), and an oil pump (40) for delivering lubricating oil from the oil tank (17) through an oil channel (41). to an oil delivery opening (42),wherein the motor housing (20) comprises a motor housing base body (23) and a motor housing cover (24) which closes the motor housing base body (23) on the second side (22), wherein the motor housing cover (24) has a second opening (26) through which a second drive shaft section (34) protrudes and the oil pump (40) is driven by the second drive shaft section (34).

1. The name of the design product: lithium battery single-hand chain saw (6-8 inches). 2. The use of the design product: used for sawing, cutting, and cutting trees, wood, lumber, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a high protection four -stroke gasoline engine chain saw, including chain saw, the rear part fixed connection of chain saw has the elbow support, the inner frame drive part of chain saw is installed with chain wheel, the side of chain saw is installed with installation cylinder, installation cylinder and chain wheel are in same horizontal plane, the outer wall fixed connection of installation cylinder has the cavity cylinder. This one kind high protection four -stroke gasoline engine chain saw, the eccentric part one and eccentric part two of hoop upper and lower part connection cooperate with fixed block to be in the pushing of push cylinder, and hoop will drive the rotation of gear no.

The utility model discloses an electric chain saw which comprises a machine shell, a gear box, an oil pump, an oil tank, an oil inlet pipe, a guide plate and an oil outlet pipe. The gear box is installed in the machine shell and comprises a gear box shell, an installation table is arranged on the gear box shell and comprises a planar first installation part, and an included angle is formed between the plane where the first installation part is located and the plane where the top wall of the gear box shell is located; the oil pump is fixedly mounted on the mounting table, penetrates through the first mounting part, is at least partially inserted into the gearbox and is in linkage mounting with the gearbox; the oil tank is installed in the machine shell. The oil inlet pipe communicates with the oil tank; the guide plate is installed on the machine shell. The oil outlet pipe communicates with the oil pump and the guide plate. According to the invention, the probability of oil leakage can be reduced.

The utility model discloses a chain saw. The chainsaw includes: a housing; the motor is supported by the machine shell and comprises a motor shaft and a motor bearing arranged on the motor shaft in a sleeving mode. The chain is driven by the motor to execute cutting; the guide plate is used for supporting and guiding the chain; the distance between the motor bearing close to the guide plate side and the plane where the guide plate is located is smaller than or equal to 18 mm in the axis direction of the motor shaft.

This invention provides a work machine that improves convenience. The chainsaw body (10) has a body-side mounting section (12C), on which a body-side terminal unit (40) is provided. The body-side terminal unit (40) is connected to a motor (14) (controller (50)) via a first power path (52) and a second power path (54). A body-side switch (30) is provided in the first power path (52), which, through operation by the operator, switches the first power path (52) to an on or off state. Thus, depending on the mounting components assembled in the body-side mounting section (12C), the first power path (52) or the second power path (54) can be used separately, thereby enabling or disabling the operation of the body-side switch (30) (body-side trigger (28)). As a result, the convenience for the operator is improved.

The chainsaw includes a guide bar. The guide bar includes a recess. A communications chip or other on-board circuitry is positioned within the recess in the guide bar.

A chain saw is provided, and a technique capable of inhibiting the accumulation of chips in a space formed between at least a brake drum, a main body case main body, and a guide bar is disclosed. The chain saw is provided with: a saw chain; a guide bar extending in a front-rear direction, the saw chain being attached to the guide bar; a sprocket that causes the saw chain to travel along the periphery of the guide bar; a prime mover; a brake drum that rotates integrally with the sprocket; a main body case that houses the prime mover; a sprocket cover that covers the sprocket; and a cover member that is provided between the main body case and the guide bar. When viewed in an upper side cross section that extends in the front-rear direction and a left-right direction and that includes an upper side rear end portion of the guide bar, the cover member is in contact with or close to a surface of the guide bar that is opposite the main body case, and a rear end of the cover member is located at a position that is rearward of a rear end of the guide bar.

The utility model relates to the technical field of chain saw chains, and discloses a tightness-adjustable chain saw chain which comprises a gasoline saw body, a first handle and a second handle, the first handle is installed on the left side of the gasoline saw body, the second handle is installed above the gasoline saw body, an adjusting device is installed in the gasoline saw body, and the adjusting device is connected with the gasoline saw body. The adjusting device comprises a storage groove, a guide plate and connecting plates, the storage groove is formed in the inner side of the gasoline saw body, the guide plate is arranged on the inner side of the storage groove, the connecting plates are installed on the two sides of the left end of the guide plate, a plate body is installed in the middle of the left end of the guide plate, and a telescopic rod is installed on the left side of the plate body. A telescopic rod is mounted in a telescopic cylinder, and the left side of the telescopic cylinder is mounted on the right side of a fixing plate; according to the device, the problem of chain looseness can be conveniently solved, the working time for manually adjusting the chain looseness is shortened, and the maintenance efficiency of the device is improved.

A chain saw, comprising a housing, a cutting assembly, a motor and a battery pack accommodating portion; the cutting assembly is mounted on the housing and comprises a guide bar and a saw chain arranged around the guide bar, the guide bar providing support and guidance for the saw chain; the motor is mounted inside the housing and is configured to drive the saw chain to move around the guide bar; the battery pack accommodating portion is configured to accommodate a battery pack, the battery pack being configured to provide electric energy at least to the motor; the rated input power of the motor is greater than or equal to 1200 W and less than or equal to 5500 W; the ratio of the rated input power of the motor to the bare tool weight of the chain saw is greater than or equal to 778 W / Kg, wherein the bare tool weight of the chain saw is the weight of the chain saw in a state where the guide bar, the saw chain and the battery pack are not installed. The chain saw of the present application can meet both cutting performance and lightweight requirements.

1. The name of the design product: chain saw (G255E / G255E PRO). 2. The use of the design product: for sawing wood. 3. The design points of the design product: in the overall shape of the product. 4. The picture or photograph best indicating the design points: perspective view.

The utility model discloses automatic laser plastic stripping equipment for a chain saw guide plate, which comprises a machine frame, a working table, a carbon dioxide laser cleaning machine and a protective cover, and the working table, the carbon dioxide laser cleaning machine and the protective cover are installed on the machine frame. The carbon dioxide laser cleaning machine is provided with a laser emitting head emitting carbon dioxide laser to the workbench, the workbench is covered with the protective cover, and the laser emitting head is covered with the protective cover. According to the utility model, high-power CO2 laser is adopted to carry out rapid plastic removal cleaning on the surface of the sprayed guide plate, so that the guide plate can be rapidly heated and cooled, and is efficient, rapid, low in heat and free of damage.

The utility model provides a chain saw which solves the problem that in the prior art, the oil pumping amount of a lubricating system can not be adjusted according to actual requirements. The cutting assembly comprises a driving device and a cutting structure in driving connection with the driving device; the lubricating system comprises a liquid supply device and a pump body, and the pump body is used for pumping a lubricating medium stored in the liquid supply device into the cutting assembly; the pump quantity adjusting assembly comprises a first adjusting structure, the first adjusting structure is electrically connected with the pump body, the first adjusting structure has multiple quantity adjusting modes, and different quantity adjusting modes of the first adjusting structure correspond to different conveying quantities of the pump body.

A chain saw is provided with a technique for reducing a moment of force about a top handle. The chain saw is provided with a saw chain, a guide bar extending in a front-rear direction and having the saw chain mounted thereon, a sprocket that makes the saw chain travel along a periphery of the guide bar, a motor that rotates the sprocket about a rotational axis extending in a left-right direction, a battery pack that supplies electric power to the motor, a main body case that houses the motor and holds the guide bar, and a top handle provided at an upper portion of the main body case and held by a user. When the chain saw is viewed from the right, a lower end of the battery pack is positioned higher than a center line of the guide bar.

The invention discloses a rapid clamping and aligning machining tool for a main body frame of a feller, and belongs to the technical field of tool clamps. The clamping device aims to solve the clamping problem of a main body frame of a feller in the prior art. Comprising a self-centering device, a roller assembly mounting hole positioning and supporting device, a left rear cutter mounting hole supporting device, a rear side jacking device, a protective cover supporting device, an upper pressing device, an inner side positioning and jacking device, a front side jacking device, a roller assembly mounting hole adjustable supporting device and a jacking cutter mounting surface supporting device. Therefore, each part of the main body frame of the feller can be clamped and aligned. The various clamping mechanisms are used for accurately positioning, clamping and aligning the top cutter mounting surface, the chain saw protective cover, the roller mounting assembly mounting hole, the left rear cutter mounting hole and other parts of the felling machine tool main body frame, so that the precision requirement of subsequent machining is met, and the machining efficiency is improved.

The utility model provides a chain saw heat dissipation structure and a chain saw, the chain saw heat dissipation structure is arranged in a shell of the chain saw, the chain saw heat dissipation structure comprises an air guide assembly, the air guide assembly comprises an air guide channel, an air guide inlet and an air guide outlet, the air guide inlet and the air guide outlet are communicated with the air guide channel, the air guide inlet is arranged towards a battery pack, and the air guide outlet is arranged towards a control part; the heat dissipation motor is arranged on the air guide assembly, and the heat dissipation motor comprises a rotating shaft and first heat dissipation blades arranged on the rotating shaft, so that airflow is sucked into the air guide channel from the air guide inlet through the heat dissipation motor, and the airflow is pushed to the control part through the air guide outlet; according to the heat dissipation structure of the chain saw, the problem that in the prior art, the heat dissipation effect of a heat dissipation structure of the chain saw is poor is solved, so that the damage risk caused by overheating of the chain saw is reduced, the chain saw can still keep a good working state under the long-time and high-strength working condition, the heat dissipation performance of the chain saw is improved, and the service life of the chain saw is prolonged.

The utility model discloses a ball mounting assembly of a chain saw guide wheel mounting machine, and belongs to the technical field of mechanical devices. The ball mounting assembly of the chain saw guide wheel mounting machine comprises a rack, a through hole is formed in the rack, a wafer supporting column which is fixedly arranged and does not make contact with the through hole is arranged in the through hole, a ball jacking sleeve is arranged between the wafer supporting column and the through hole, and a ball jacking driving mechanism is arranged at the bottom of the ball jacking sleeve. According to the utility model, the ball jacking driving mechanism is arranged to drive the ball jacking sleeve, so that the ball at the corresponding position of the ball jacking sleeve in the through hole can be automatically assembled, and the assembling efficiency is high.

1. Name of the product in this design: Electric Chainsaw. 2. Intended use of this design: for logging and cutting materials, etc. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.