314 results about "Camshaft" patented technology

The utility model discloses an oil-gas separation mechanism and an engine, the oil-gas separation mechanism comprises an air inlet cam shaft, a chain wheel, a centrifugal separation disc and a breather pipe, and the air inlet cam shaft is provided with a first channel penetrating through the two ends of the air inlet cam shaft; the chain wheel is meshed with a timing chain of an engine and used for driving the air inlet cam shaft to rotate. The centrifugal separation disc is connected with one end of the air inlet cam shaft and provided with a separation cavity, the separation cavity communicates with the first channel, fan blades are arranged in the separation cavity, the centrifugal separation disc rotates to suck mixed oil gas into the separation cavity, and the fan blades guide gas into the first channel and throw engine oil out of the separation cavity. The breather pipe communicates with the end, away from the centrifugal separation disc, of the first channel and is used for exhausting gas in the first channel. According to the oil-gas separation mechanism, the oil-gas separation structure can be arranged on the air inlet cam shaft, the space occupied by the oil-gas separation structure in an engine is reduced, the internal structure of the engine is simplified, and the manufacturing difficulty and manufacturing cost of the engine are reduced.

The invention provides a control method and device for consistency of all cylinders of an engine and a vehicle. The method comprises the steps that the rotating speed and torque of the engine are obtained, and the rotating speed and torque of the engine are obtained; determining that the engine is in a low-speed and low-load working condition under the condition that the engine rotating speed is in a first preset range and the engine torque is in a second preset range; under the condition that the engine is in the low-speed and low-load working condition, the camshaft phase is controlled to be delayed relative to the crankshaft phase, so that opening of an intake valve of the engine is delayed, and the problem that in the prior art, the actual EGR rate consistency of all cylinders of the engine is poor is solved.

A power tool may include a housing including first and second clamshell halves. The power tool may include a motor directly supported by the first and second clamshell halves. The power tool may include a gear assembly directly supported by the first and second clamshell halves and operably coupled to the motor. The power tool may include an impact mechanism disposed within the housing between the first and second clamshell halves and operably coupled to the gear assembly, the impact mechanism including a camshaft, an anvil rotationally supported by an anvil support for rotation about an axis, the anvil support being directly supported by the first and second clamshell halves, and a hammer configured to reciprocate along the camshaft and to impart rotational impacts to the anvil in response to rotation of the camshaft.

The utility model discloses a heptagonal tool positioning structure for special alignment, and belongs to the technical field of engine alignment positioning tools. A heptagonal tool positioning structure is arranged on the camshaft body, the heptagonal tool positioning structure comprises a surface A, a surface B and a surface C, the surface A and the surface B are parallel to each other, the surface C is adjacent to the surface A and the surface B, and a two-dimensional code used for tracing the machining process is arranged on the surface C. According to the heptagonal tool positioning structure for special alignment, through the advantages of accurate positioning, reliable assembly, traceable quality, production optimization, product reliability, high adaptability and the like, the product quality, the production efficiency and the market competitiveness are effectively improved, and a powerful guarantee is provided for related production of camshafts.

The utility model discloses a waste paper smashing device for carton processing in the technical field of carton processing, which comprises a workbench, a cutting box and a slitting box, the cutting box is fixedly connected to the left side of the top of the workbench, the slitting box is fixedly connected to the top of the cutting box, the right side wall of the cutting box is fixedly connected with a rotating motor, and the right side wall of the slitting box is fixedly connected with the rotating motor. The output end of the rotating motor penetrates through the cutting box and extends to an inner cavity of the cutting box, the output end of the rotating motor is fixedly connected with a cam shaft, the cam shaft is rotationally connected with the inner cavity of the cutting box, and lifting grooves are formed in the front side wall and the rear side wall of the inner cavity of the cutting box. According to the waste paper smashing device for carton processing, waste paper can be evenly smashed and cut, later packaging and collecting are facilitated, the size of the smashed waste paper after compression can be smaller, the waste paper is not prone to scattering, and later transportation is facilitated.

The utility model relates to the technical field of tenebrio molitor processing, and discloses a tenebrio molitor drying device which comprises a drying bin and a sieve plate and further comprises a supporting frame, a supporting assembly and a drying assembly, the bottom of the sieve plate is slidably connected with a top groove of the supporting frame and used for supporting and fixing the sieve plate, and a vibration assembly is arranged on the side, away from the sieve plate, of the supporting frame. The vibrating assembly comprises a motor, the output shaft end of the motor is fixedly connected with a driving shaft, and the middle of the driving shaft is fixedly connected with a cam shaft in a penetrating mode. Limiting plates are rotationally connected to the two sides of the driving shaft in a penetrating mode, and the problems that when traditional tenebrio molitor drying equipment conducts drying, hot air is mostly directly sprayed to the surfaces of tenebrio molitor bodies for drying, the hot air at the bottoms of the tenebrio molitor bodies is not directly blown, the tenebrio molitor bodies are dried unevenly or insufficiently, and the drying effect is poor are solved.

The application provides a signal disc and gear press-fitting device and press-fitting method, and relates to the technical field of camshafts, and comprises a positioning seat, a first positioning assembly, a second positioning assembly, a coarse positioning device and a fine positioning device.The coarse positioning device is used for coarsely positioning the signal disc on the top surface of the positioning seat, and the fine positioning device is used for angle positioning of a signal groove on the signal disc.The second positioning assembly comprises a positioning shaft and a positioning key.The positioning shaft is fixedly arranged at the center of the top surface of the positioning seat and is used for positioning a gear center hole.The positioning key is fixedly arranged on the positioning shaft and is used for cooperation with the fine positioning device so as to angle position a key groove on the gear center hole and the signal groove on the signal disc.The gear press-fitting mode can avoid press-fitting deformation of the signal disc through signal disc fixation.The first positioning assembly and the second positioning assembly can cooperate with each other to ensure the concentricity of the signal disc and the gear after press fitting, and can also ensure the timing angle precision of the signal disc and the gear after press fitting.

The utility model belongs to the technical field of motorcycle engines, and relates to an air cylinder head structure of a motorcycle engine, which comprises an air cylinder head, a cam shaft is arranged at the top of the air cylinder head, a timing chain wheel is sleeved on the cam shaft, a combustion chamber is arranged below the cam shaft, and a decompression ejector rod for ejecting an exhaust valve open is arranged in the cam shaft in a sliding mode. A centrifugal mechanism for driving the decompression ejector rod to slide is arranged on the timing chain wheel, a first sparking plug and a second sparking plug which are inclined are arranged on the left side and the right side of the combustion chamber respectively, and the included angle between the second sparking plug and the bottom plane of the air cylinder head is smaller than that between the first sparking plug and the bottom plane of the air cylinder head. The air cylinder head is provided with an avoiding groove for avoiding the timing chain wheel and a sleeve base extending in the direction of the avoiding groove, and a sleeve for installing a second spark plug is arranged in the sleeve base. The cylinder head structure of the motorcycle engine is compact in layout, stable in structure and capable of achieving the purpose of further saving energy and reducing consumption.

The utility model discloses an automobile engine camshaft bushing which comprises a bushing body, a transverse groove is formed in the middle of the inner wall of the bushing body, an arc-shaped groove is formed in the inner wall of the bushing body, a base plate is arranged in the arc-shaped groove, a groove is formed in one side of the base plate, the arc-shaped groove penetrates through the transverse groove to form communication, and the transverse groove is communicated with the arc-shaped groove. A cavity is formed between the arc-shaped groove and the base plate; the arc-shaped groove surrounds the inner wall of the bush body and penetrates through the transverse groove, at the moment, lubricating oil is injected into the transverse groove through the feeding mechanism, the lubricating oil in the transverse groove enters the arc-shaped groove, and the arc-shaped groove surrounds the inner wall of the bush body, so that a driving shaft in the bush body can be well lubricated; and meanwhile, a base plate matched with the arc-shaped groove is placed in the arc-shaped groove, the base plate can adsorb lubricating oil to a certain degree, real-time lubrication of the driving shaft can be kept, and then the lubricating effect is improved.

A power tool includes a manifold, a pump housing coupled to the manifold, and a camshaft that is supported by the pump housing. A drive sprocket is positioned in the manifold and has a first end that is coupled to the distal end of the camshaft. The drive sprocket includes a plurality of pawls. A sprocket bearing is coupled between a second end of the drive sprocket and the manifold, and a valve body having a first drive member and a second drive member. The valve body rotates in a first direction when the plurality of pawls engages the first drive member and rotates in a second direction when the plurality of pawls engages the second drive member.

The application relates to the technical field of variable intake timing mechanism processing equipment, and particularly discloses a variable intake timing mechanism and processing equipment thereof, which comprises a main body frame arranged in a square structure and connected with the ground at the bottom end; a fixing assembly is arranged at the top end of the main body frame and used for fixing a processing component; a grinding assembly is arranged at the top end of the main body frame and used for grinding the side edge of the processing component to reach the use standard of the processing component; and a detection assembly is arranged at the top end of the main body frame and in contact with one end of the processing component. The detection assembly can quickly detect the shaft center of the camshaft, and the detection process can be realized in the use process, so that the accuracy of the equipment in the use process can be monitored, personnel can be timely reminded to adjust the position of the camshaft, the grinding wheel wear is avoided to reduce the processing effect of the camshaft, and the grinding process is more stable.

The utility model discloses a self-positioning switcher which is provided with a monitoring mechanism capable of monitoring whether a cam shaft rotates in place or not, the monitoring mechanism comprises a coding wheel and a microswitch, the coding wheel and the cam shaft rotate in a linkage mode, a plurality of protruding parts are arranged on the periphery of the coding wheel, and the protruding parts can extrude the microswitch respectively along with autorotation of the coding wheel. The switching accuracy can be considered while the structure is simplified and the cost is reduced.

The invention relates to the technical field of casting equipment, and particularly discloses a camshaft casting continuous production device and method.The device comprises an electric induction furnace and a slag salvaging mechanism, and the electric induction furnace comprises a furnace body and a support arranged on the furnace body and close to a furnace opening; the slag salvaging mechanism comprises an outer sleeve rotationally connected with the support, a spiral conveyor coaxially arranged in the outer sleeve, and at least one intermittent slag collecting assembly, wherein one end of the outer sleeve extends into the furnace body from the furnace opening. A slag inlet and a slag outlet are formed in the outer sleeve in the axial direction at intervals, the intermittent slag collecting assembly is constructed to continuously collect dross in molten iron in the furnace body and extrude the dross into the outer sleeve from the slag inlet, and the spiral material conveying machine is constructed to continuously convey the dross from the slag inlet to the slag outlet and discharge the dross, so that the time difference between manual slag salvaging and connection of previous and later procedures is effectively solved; the continuity of casting production is guaranteed, and the production efficiency is improved to adapt to the large-scale production requirement; and meanwhile, the consistency of the deslagging degree is ensured through automatic deslagging operation, and the stability of the quality of the camshaft blank is improved.

The present invention relates to a camshaft (12, 14) for an internal combustion engine having a recess (20) formed in the circumferential surface (18) on the outer periphery of the camshaft (12, 14) and which is itself open to the outside in the radial direction of the camshaft (12, 14). A tool can be inserted into the recess and thereby placed in a form-locking interaction with the camshaft (12, 14), thereby the camshaft (12, 14) can be fixed in a rotation-resistant manner by means of the tool. The recess (20) is arranged radially offset from the center (M) of the camshaft (12, 14).

The utility model provides a cam shaft convenient to assemble, which comprises a side edge transmission gear structure, the side edge transmission gear structure comprises a gear disc, an attaching ring is arranged on the outer wall of the gear disc, an outer attaching strip is arranged between the attaching ring and the outer side of the gear disc, and an inner attaching strip is arranged on the inner side of the attaching ring and the inner side of the gear disc. Threads are arranged on the outer wall of the outer attaching strip, a fixing nut is arranged on the outer wall of the outer attaching strip, and the outer attaching strip is in threaded connection with the fixing nut. The gear disc fixing device is reasonable in design, the first positioning groove, the second positioning groove, the outer attaching strip and the inner attaching strip are aligned with one another, and a gear disc pre-installed on the outer wall of a cam shaft structure can be fixed; and meanwhile, threads on the outer wall of the outer attaching strip are aligned with threads at one end of the camshaft body, and then fixing nuts are installed on the outer attaching strip and the outer wall of the camshaft body, so that the gear disc on the outer wall of the camshaft structure is rapidly installed.

This utility model belongs to the field of engine camshafts and relates to a tooling for replacing engine camshaft bearings. It includes: a pull rod with multiple limiting members spaced apart on it, the limiting members being detachably connected to the pull rod; and a pressure head movably mounted on the pull rod and cooperating with the limiting members, which limit the pressure head. The advantages of this structure are: simple structure; convenient operation due to the pull rod and pressure head design; smoother disassembly and replacement; and more even bearing stress during disassembly and replacement. Adjusting the positions of the limiting members on the pull rod allows for the replacement of bearings for different engine camshaft models.

An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders. A valve train is provided for opening and closing intake and exhaust valves of the cylinders during nominal engine operations. The valve train is also configured to provide for asynchronous switching between selected cam lobe lift profiles for opening and closing of the intake and / or exhaust valves.

The invention relates to an assembly comprising a heat engine equipped with a cylinder head (2) covered by a cylinder-head cover (4), which between them receive at least one camshaft having, on one side, a joining edge parallel to its axis, which is formed between two flat surfaces, and comprising a tool for adjusting the rotation of the camshaft, which tool fits into a bore in the cylinder-head cover, the adjustment tool comprising an attachment part (20) for attachment to the cylinder-head cover (4), and an independent rod comprising, at its end, a notch having two bearing faces which, in the fixed position of the tool, bear on the two surfaces of the camshaft on either side of the edge.

A hybrid vehicle includes an engine assembly including a cylinder head, an engine output shaft, and a crankshaft; an electric motor assembly disposed laterally above a crankcase of the engine assembly; the electric motor assembly including an electric motor and an electromagnetic clutch coaxially mounted on the electric motor. A hybrid power pack for a hybrid vehicle includes an engine assembly having a camshaft axis; an electric motor assembly having an electric motor assembly axis; a drive shaft having a drive shaft axis; the engine assembly and the electric motor assembly disposed in an area formed with respect to line CD; and the camshaft axis, the electric motor assembly axis, and the drive shaft axis disposed along three vertices of a triangle, wherein a line connecting the camshaft axis and the drive shaft axis passes substantially near a crankshaft axis of the engine assembly.

The utility model discloses a pouring system for a cam shaft of an internal combustion engine, relates to the technical field of cam shaft pouring, and is mainly used for solving the internal defects that a cam shaft product produced by the conventional pouring system is easy to generate shrinkage porosity and shrinkage cavity, low in matrix hardness and the like. The structure comprises a sprue, the top of the sprue is connected with a sprue cup, the bottom of the sprue is connected with the middle of a runner, two ends of the runner are respectively connected with one end of a straight runner, and camshaft cavities are arranged on two sides of the straight runner; four feeding heads are sequentially arranged on the straight runner, the lower parts of the side walls of the feeding heads are connected with the camshaft cavity through flow gates, and the sectional area ratio of the flow gates on the four feeding heads is set to be 1.1: 0.9: 0.9: 0.7 in the flowing direction of the liquid metal; and the feeding head and the two flow gates arranged on the feeding head jointly form a liquid supplementing cavity with a diamond-like structure. The utility model provides a pouring system for a camshaft of an internal combustion engine, which can complete the detection of a heavy fitting roller before installation, thereby avoiding the waste of resources, saving the manpower loss and improving the detection efficiency.

This utility model discloses a camshaft assembly for a high-pressure pump, relating to the field of camshaft assembly technology. The camshaft assembly for a high-pressure pump includes an overall camshaft assembly with assembly ports at both ends. It also includes an extension mechanism comprising a connecting rod and two fixed posts. The camshaft assembly has internal slots, and threaded grooves at both ends. When adjusting the length of the camshaft assembly, the operator rotates the assembly ports. One end of the assembly port rotates via the connecting rod, causing the threaded posts to continuously disengage from the threaded grooves. This disengagement pushes the two assembly ports, extending the camshaft assembly and allowing it to better adapt to different working environments and installation requirements, thus improving its versatility.

The invention relates to a method for diagnosing faults in an electric motor (100), wherein the electric motor (100) is coupled to a camshaft (121) of an internal combustion engine (120), wherein the electric motor (100) comprises three control lines (101, 103, 105) which, for operation of the electric motor (100), are sequentially activated and deactivated. The method comprises the following steps: (a) stopping the internal combustion engine (120); (b) energising the electric motor (100); (c) receiving a movement signal which is indicative of a movement of the camshaft (121) in response to the energisation; and (d) assessing whether there is a fault in the electric motor (100) on the basis of the movement signal. The invention also relates to a corresponding control unit (150) and to a computer program.

Camshaft adjuster (100) with a belt drive for an internal combustion engine comprising a stator (2) driven by a crankshaft of the internal combustion engine via a belt, a rotor (3) non-rotatably connected to the camshaft (1), working chambers (4) arranged between the stator (2) and the rotor (3) which can be pressurized with oil, the working chambers (4) being subdivided into opposing pressure chambers (24, 25) by vanes (23) associated with the rotor (3), wherein a central valve (26) with a piston (8) guided longitudinally displaceably in the central valve (26) is provided for controlling the oil pressure in the pressure chambers (24, 25) of the working chambers (4), which can be actuated with a force by an actuator (6) from a control side (A) of the camshaft adjuster (100), wherein oil pressure lines (31, 32) opening into the pressure chambers (24, 25) are provided, wherein the A central valve (26) is provided for controlling the oil flows into the oil pressure lines (31, 32),and the central valve (26) is inserted into a hollow central screw (5) that connects the rotor (3) to the camshaft (1), wherein the central valve (26) is formed from a hydraulic part (27) and a piston (8) which is guided longitudinally displaceably in the hydraulic part (27), wherein the oil pressure from an oil supply line (11) in the camshaft (1) is supplied to the oil pressure lines (31, 32) depending on the position of the piston (8), and the camshaft adjuster (100) has a seal (10, 17) on its actuation side (A) which prevents the oil flow from escaping into the installation space (B) accommodating the belt drive, characterized in that the seal (17) is formed by a bellows seal which is firmly connected to the camshaft adjuster (100) with its radially outer edge, and is connected centrally to a part (21) associated with the piston (8), on which the Actuator (6) is connected.

The application discloses a wheel-foot switching robot power switching module, a leg part and a robot, and the power switching module comprises a camshaft module and a central rotating shaft module; power is provided by a first power source to drive the camshaft module and the central rotating shaft module to cooperate to realize switching between a first working position and a second working position; when the first working position is reached, the camshaft module is in contact with the central rotating shaft module, power is provided by a second power source to enable a wheeled mechanism and a lower leg mechanism installed on the central rotating shaft module to obtain power; when the second working position is reached, the camshaft module is separated from the central rotating shaft module, power is provided by a second power source of the wheel-foot robot to enable the wheeled mechanism installed on the central rotating shaft module to obtain power and the lower leg mechanism to lose power. The thigh motor is used as the first power source to provide power, and then the camshaft module and the central rotating shaft module are combined in a skillful manner, so that power transmission under different working positions is realized.

The invention discloses an eccentric shaft press-fitting automation device and a press-fitting method, and relates to the technical field of eccentric shaft press-fitting. The device comprises a countertop, a visual inspection system, a lifting mechanism, a plurality of groups of cylinder assemblies and a press-fitting mechanism, wherein the countertop is provided with a positioning block for placing a shell; the visual detection system achieves shell position compensation through a camera, a fine adjustment stepping motor and a PLC. The lifting mechanism drives the shell to the reference height; the multiple air cylinder assemblies automatically complete shell transferring, bearing feeding and cam shaft positioning. The servo press-fitting electric cylinders on the two sides synchronously execute the three-section press-fitting stroke, and the depth error is smaller than or equal to 0.1 mm. The press fitting method comprises the steps of manual discharging, visual positioning and lifting, air cylinder positioning and transferring, bearing / camshaft automatic feeding and synchronous press fitting and resetting. Press fitting automation is achieved, precision and efficiency are improved, labor intensity is lowered, and stable product quality is guaranteed.

The utility model discloses a rapid clamping and assembling device for a camshaft signal wheel, relates to the technical field of camshaft signal wheel assembling, and aims at solving the problems that a traditional interference fit press-fitting or welding process is complex in operation, parts are prone to being damaged, and repeated disassembly and assembly cannot be achieved, and rapid clamping is achieved through a split type clamping wheel and multi-bolt cooperative locking structure. The device comprises a hinged type semicircular clamping wheel arranged at the end of a cam shaft in a sleeving mode, the outer side of the clamping wheel extends to the annular face of a signal wheel through a connecting arm, a T-shaped locking bolt is arranged at the tail end of the connecting arm to abut against the signal wheel in the radial direction, the two ends of the clamping wheel are pulled and tightly hold the cam shaft through butterfly bolts, and elastic extrusion bolts are arranged in the side wall to compensate axial gaps. Axial-radial combined clamping is formed; the T-shaped bolt anti-falling design is combined with the single-hand opening and closing characteristic of the rotating shaft hinge.

The invention relates to a method for determining the angular position of an irregularly toothed camshaft target. A sensor generates a signal at each tooth passage, creating significant cutting edges. A processing unit processes this signal to determine the time intervals between these edges, stores theoretical ratios, tolerance intervals, and confidence intervals. Suspicion counters are associated with each edge. By calculating actual ratios based on the measured intervals, the unit discriminates between candidate edges: edges not within tolerances are eliminated, those within confidence intervals reset the suspicion counter, and those outside confidence intervals increase the suspicion counter until they are eliminated. These steps are repeated until a single candidate edge is identified. The angular position of the target is then determined from this single edge.Figure for the abbreviation: Figure 2.

The invention discloses a camshaft deviation determination method and device, a vehicle, a medium and a product. The method comprises the steps that multiple sets of actually-measured seating knock data are obtained, and the seating knock data are data collected when an engine is in a reverse towing state and an ignition signal is shielded; according to vibration amplitude difference characteristics of the engine between each group of actually measured seating knock data and standard seating knock data, a plurality of correlation coefficients of each group of actually measured seating knock data and a crank angle corresponding to each correlation coefficient are determined, and the standard seating knock data are seating knock data when no camshaft deviation exists; and determining the camshaft deviation according to the plurality of correlation coefficients of each group of actually measured seating knock data and the crank angle corresponding to each correlation coefficient. According to the technical scheme, the camshaft deviation can be determined more accurately.

A variable camshaft timing (VCT) phaser assembly and control valve are used in an internal combustion engine. The VCT phaser assembly has a housing and a rotor. The control valve is mounted at a location remote from the housing and rotor and away from the center bolt position of the housing and rotor. The control valve has a valve housing and a spool valve located within the valve housing. The valve housing has different ports for fluid communication with a source, an advance line, and a delay line. Depending on the position of the spool valve within the valve housing, one or more recirculation paths can be established between the valve housing and the spool valve at different times.

A disassembling tool for a cam shaft in a wire arranging arm of a wire drawing machine relates to the technical field of wire drawing machines and comprises a mounting sleeve, a cam shaft and a cam shaft, the ejection piece freely penetrates through the mounting sleeve and is movably connected with the mounting sleeve, and the ejection piece moves in the axial direction of the mounting sleeve; the clamping piece is rotationally mounted on the side wall of the mounting sleeve, and the clamping piece is used for being rotationally clamped with the wire arranging arm; the mounting sleeve is sleeved on the bearing seat at one end of the winding displacement arm, the clamping piece is rotated to be clamped with the winding displacement arm so as to fix the mounting sleeve, then the ejection piece is operated to move towards the inside of the winding displacement arm and abut against one end of the cam shaft, and the ejection piece is continuously operated until the cam shaft is ejected out of the winding displacement arm. Then the bearings at the two ends of the cam shaft are checked, maintained or replaced; the device is simple and convenient to operate, can quickly take out the cam shaft, improves the replacement efficiency of the bearing, and can also ensure that the cam shaft is not damaged.