266 results about "Injector nozzle" patented technology

The invention discloses an axial magnetic flux motor based on half-cycle oil injection cooling and an oil injection cooling method thereof.The axial magnetic flux motor comprises motor shells, the two motor shells are symmetrically installed, the two stator assemblies are arranged in the two motor shells respectively, the rotor assembly is arranged between the two stator assemblies through an output shaft, and the rotor assembly is arranged between the two stator assemblies through an output shaft. The two stator assemblies are arranged on the two motor shells, the half-cycle oil injection cooling assemblies are arranged on the two motor shells and correspond to the upper half parts of the two stator assemblies, and the confluence oil outlet assemblies are arranged on the two motor shells and correspond to the bottoms of the two stator assemblies. The heat exchange efficiency is far higher than that of indirect cooling, and meanwhile, the two rows of half-cycle arc-shaped oil nozzles ensure that the cooling oil covers all winding coils, shunt cooling and auxiliary casing flow channel structures, the heat dissipation uniformity is improved, and the problem that the heat dissipation effect of the motor is poor is solved.

The invention discloses automatic mounting equipment for an oil nozzle. The automatic mounting equipment comprises a feeding mechanism, a transfer mechanism and a locking mechanism, the feeding mechanism comprises a sorting module, a bolt feeding module and two oil nozzle feeding modules, the two oil nozzle feeding modules are arranged on the two sides of the bolt feeding module respectively, and the sorting module is arranged above the bolt feeding module and the oil nozzle feeding modules; the transfer mechanism comprises a transfer clamp and a transfer module, and the sorting module loads the bolts and the oil nozzles onto the transfer clamp; the locking mechanism comprises a positioning device and a tightening module. The bolt feeding module sends out bolts one by one, the sorting module sends the bolts, the single-pipe oil nozzles and the double-pipe oil nozzles to the transfer clamp, the transfer clamp sends the bolts, the single-pipe oil nozzles and the double-pipe oil nozzles to be close to a cylinder body, the transfer mechanism installs the single-pipe oil nozzles and the double-pipe oil nozzles on the transfer clamp to the cylinder body of the positioning device, and then the bolts are tightened through the tightening module. Automatic installation of the oil nozzle is achieved, installation quality is guaranteed, and meanwhile production efficiency is improved.

The invention discloses a position detection system and method of a jet structure and an engine. The position detection system comprises an image acquisition assembly and a prism assembly. Wherein the image acquisition assembly is located in the spraying direction of the spraying structure and is fixed; and the prism assembly is fixed in the mounting cavity, is arranged corresponding to the spraying section of the spraying structure, and is at least used for projecting the spraying section onto the image acquisition surface of the image acquisition assembly. According to the invention, the prism assembly can be utilized to refract an image on the side surface of the jet structure to the horizontal direction, and then the image acquisition assembly is utilized to shoot so as to obtain two two-dimensional projection images in the vertical direction at the same time; and the angle deviation and the translation amount of the part are calculated through image analysis, and the three-dimensional space coordinates of the point to be measured are finally synthesized based on the reference coordinates, so that the injection point position of the oil nozzle is obtained outside the mounting cavity by using a camera and a controller.

The utility model discloses a gear box oil nozzle dimension measuring tool, which comprises a workbench, a distance adjusting assembly, a height adjusting assembly, a positioning assembly and a measuring assembly, the height adjusting assembly is arranged on the surface of the workbench through the distance adjusting assembly, the height adjusting assembly comprises a lifting platform, the measuring assembly is arranged on the lifting platform, and the positioning assembly is arranged on the lifting platform. The oil nozzle is arranged in the measuring range of the measuring assembly through the positioning assembly. The position of the second sliding seat on the transverse measuring pipe is adjusted, so that the oil dripping pipe is located vertically above the oil nozzle, the fixing ring is clamped to the oil nozzle along with descending of the lifting table, oil in the oil dripping pipe can drip into the oil nozzle, and on one hand, the height of the oil nozzle is measured through the position of the lifting table on the scale column; and on the other hand, oil dripped from the oil dripping pipe can enter the oil nozzle to measure whether blockage exists or not, the overall structure is simple, use is convenient, convenience in measurement is improved, and subsequent packaging and use of the oil nozzle are facilitated.

The utility model relates to ball oiling technology field, concretely is a kind of ball oiling device, including conveying structure and oiling structure, wherein, conveying structure includes conveying cover, conveying part and stop piece;Conveying cover is obliquely set up upwards, conveying cover bottom is equipped with inlet and oil outlet, oil outlet is located at the bottom of inlet, and the top of conveying cover is provided with discharge port;Conveying part is located in conveying cover, for conveying ball;Stop piece is located at the both sides of conveying part, for preventing oil liquid to flow out and ball to slide out conveying part, so that ball is immersed in oil liquid;Oiling structure includes oil injection groove and oil injection nozzle, oil injection groove is connected at inlet, and oil injection nozzle is located at the top of oil injection groove, and is communicated with external oil supply equipment and is set. Make ball in oblique conveying process, the cooperation of conveying part and stop piece makes ball limit on conveying part, and make injected oil liquid not flow out, so that ball is completely immersed in oil liquid, realizes comprehensive uniform oiling.

A multi-fuel double-feeding-channel combustion furnace relates to the new technical field of outdoor and kitchen oil gas furnaces and comprises a furnace end body and an inner barrel structure in sealed connection with the interior of the furnace end body, the inner barrel is of a barrel structure with the upper end open and the lower end closed, and the lower portion of the inner barrel is connected with an oil pipeline in a bypass mode and provided with a flow adjusting valve to achieve accurate oil supply control. The upper end of the inner cylinder is in sealed connection with an oil nozzle with a protruding structure, and the protruding part is inserted into an air spraying hole of the air nozzle above. Air is supplied to a cavity formed between the air nozzle and the oil nozzle through an independent air pipeline, so that oil and gas burning can be carried out independently and can also cooperate with each other. According to the structure, the preheating-free function of the oil furnace and the preheating-free function of the low-flash-point fuel are achieved, multiple purposes of one furnace are achieved, and optimization is achieved in the aspects of combustion efficiency improvement and use convenience.

This application relates to the field of automotive fuel injector forging technology, and particularly to a forging method and equipment for automotive fuel injector forgings. The method includes: acquiring metal flow resistance, metal flow velocity, forging vibration data, and lateral force; determining a target flow velocity based on the metal flow resistance, metal flow velocity, and forging vibration data; determining axial strain coefficient and radial strain coefficient based on the metal flow resistance, metal flow velocity, forging vibration data, and lateral force; generating a slider control command based on the axial strain coefficient and the target flow velocity, and generating a push rod control command based on the radial strain coefficient; and controlling a forging device and a hydraulic device to forge the automotive fuel injector forging according to the slider control command and the push rod control command, respectively. This method can significantly improve the forging accuracy, production efficiency, and the level of intelligence and automation in the forging process.

The utility model discloses a kind of automatic oilers of mold screw, including electric control part, oil tank, with the oil tank connection oil pipe, rotary arm mounting bracket, rotary arm, rotary oil path block and several oiling rods, the first end of rotary arm is hinged in the rotary arm mounting bracket, second end rotationally installed has rotary oil path block, there is first oil hole in oiling rod, each oiling rod is distributed along the circumference of rotary oil path block, and one end of oiling rod is connected rotary oil path block, another end is installed with the oil injection nozzle that is communicated with first oil hole, rotary oil path block is equipped with lubricating oil distribution structure for distributing lubricating oil from oil pipe to each oiling rod in turn between rotary arm. The utility model can realize automatic oiling, improve work efficiency, and can quantitatively provide lubricating oil for mold screw, oiling effect is good, improve the maintenance quality of pipe pile mould spring screw, prolong the service life of screw, reduce artificial maintenance cost, improve product quality;The utility model is simple in routine maintenance.

1. The name of the design product: high pressure fuel nozzle detection and cleaning machine (CT700-FN609). 2. The use of the design product: for high pressure fuel nozzle detection and cleaning machine. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model provides a diesel engine piston experiment device which comprises a piston model, a transmission mechanism, a simulation cylinder cover and an experiment table. The piston model is located in an inner cavity of the simulation cylinder cover; the simulation cylinder cover is installed on the experiment table, the bottom of the piston model is connected with the piston rod, and the piston rod is connected with the transmission mechanism. A combustion chamber is arranged on the upper surface of the piston model; an oil nozzle is arranged at the top of an inner cavity of the simulated cylinder cover; the piston model is internally provided with an annular cooling cavity, and the bottom of the inner cavity of the simulation cylinder cover is provided with a cooling liquid nozzle aligned with the inlet; the piston model is of a split structure, the split structure with the combustion chamber is the upper portion of the piston, and the side wall of the combustion chamber is partially or completely provided with an oleophylic coating. According to the utility model, the detonation process of different combustion chambers can be simulated, the combustion chamber temperature fields of oleophylic coatings in different areas can be simulated, and experimental data is provided for later optimization of the piston combustion chamber.

The utility model discloses an outer circle grinding and oil spraying device in the technical field of cylindrical outer circle grinding and rust prevention, which is characterized in that an oil spraying nozzle is arranged above or below a conveying roller, so that a workpiece is driven by the conveying roller to be ground and polished by a grinding unit and then continuously moves to an oil spraying range of the oil spraying nozzle, and the workpiece is prevented from being damaged. Protective oil is sprayed to the surface of a workpiece through the oil spray nozzles, meanwhile, the workpiece moves in the axial direction of the conveying rollers and rotates under driving of the conveying rollers, the oil spray nozzles can spray oil to the workpiece in all directions, the working procedures of workpiece grinding and polishing and protective oil spraying are integrated in the stroke of the same conveying unit, the intermediate transferring step is omitted, and the working efficiency is improved. The machining process is reduced, the machining efficiency is improved, meanwhile, the equipment cost is saved, meanwhile, the conveying rollers are used for driving the workpiece to axially move and rotate, the protective oil can be comprehensively sprayed to the workpiece without moving the oil spraying nozzle, the driving characteristic of the conveying unit is fully utilized, and the influence of the protective oil on the health of workers is reduced.

The present application relates to the technical field of additive manufacturing, and discloses a laser-laser additive and subtractive combined forming method for group-hole complex structures, which is used for manufacturing a nozzle head of a space engine by using a pulse laser selective melting device, and is used for performing group punching on the fuel nozzle by using a pulse laser, so that the nozzle head part of the space engine becomes an integral whole, and the punching efficiency is improved, and the manufacturing time and cost are greatly shortened. The present application is simple to operate, basically does not need manual operation, shortens the processing time, saves manpower, greatly improves the processing efficiency, has good forming quality, and has product quality superior to that of traditional mechanical processing.

A high-load high-speed-resistant speed reducer planet gear comprises a gear ring, a sun gear, a planet gear, a planet carrier, an output shaft and an input shaft, an oil storage barrel is fixedly connected to the outer wall of one side of the gear ring, a containing barrel is fixedly connected to the bottom wall of the oil storage barrel, a push plate is arranged in the containing barrel in a sliding mode, and a first reset spring is arranged between the push plate and the bottom wall of the oil storage barrel; the bottom wall of the push plate is fixedly connected with a stress rod. Compared with the prior art, the planetary gear lubricating device has the advantages that the oil pressing mechanism is arranged, so that the piston in the oil storage barrel can be pressed in the operation process of the planetary gear, the piston presses lubricating oil into the oil spraying nozzle, and the oil spraying nozzle sprays the lubricating oil to all parts of the planetary gear; sufficient lubrication of the planetary gear in the high-speed and high-load operation process is ensured, and the service life is prolonged; and through the arranged driving mechanism, whether oil injection is conducted or not can be controlled according to needs, and the device is more flexible and practical.

The utility model discloses a resistance value measuring circuit for an electromagnetic oil nozzle. The resistance value measuring circuit for the electromagnetic oil nozzle comprises a control chip and an acquisition and measurement circuit, the control chip is provided with two or more PB pin ends and AD pin ends; the collecting and measuring circuit is provided with an electric connecting end, a plurality of oil nozzle connecting ends and an operational amplifier module U1. According to the utility model, the control chip and the acquisition and measurement circuit are arranged, and the acquisition and measurement circuit is provided with two or more PB pin ends and AD pin ends, so that the electromagnetic oil nozzle resistance value measurement circuit is used for carrying out resistance detection on a plurality of electromagnetic oil nozzles, and repeated plugging of the electromagnetic oil nozzles is not needed; the steps are simplified, the detection and measurement efficiency is improved, the connected electromagnetic oil nozzles are controlled to be detected one by one, the consistency is ensured, and the resistance detection precision is improved.

The utility model provides a kind of gas injector, it is characterized by, comprising: upper fixed pipe;Oil injection frame, the upper end of the oil injection frame is connected with upper fixed pipe, the oil injection frame upper has magnetic plate and coil;The oil injection frame has fixed iron core inside, the oil injection frame has the valve post plated with wear-resistant coating inside, the valve post has spring between fixed iron core, the upper fixed pipe is wrapped with injection molding body outside oil injection frame, and the injection molding body is equipped with coil terminal connected with internal coil. By electroplating wear-resistant coating outside valve post, it has extremely high hardness and wear resistance, ensures long-term stable flow consistency, prolongs the service life of oil injection nozzle.

The utility model relates to the field of vehicle cup stand processing equipment, in particular to cup stand oiling equipment which comprises a mounting platform, a rotating tool, a rotating driving mechanism and a spray oiling mechanism, the rotating tool is rotatably arranged on the mounting platform, the rotating driving mechanism drives the rotating tool to rotate, a cup stand is mounted on the rotating tool and rotates along with the rotating tool, and the spray oiling mechanism is arranged on the mounting platform. The rotating tool is provided with a vacuum suction cup used for adsorbing and fixing the cup stand, the spraying and oiling mechanism comprises a fixing frame, a spraying valve and an oil spraying nozzle, the spraying valve is installed on the fixing frame and controls the oil spraying action of the oil spraying nozzle, and the oil spraying nozzle faces the position, to be subjected to oil spraying, of the cup stand and sprays oil. According to the utility model, the cup stand to be oiled is positioned and fastened through the rotating tool, the rotating driving mechanism drives the rotating tool and the cup stand to rotate for a circle, and the spraying oiling mechanism is matched to complete the oiling action, so that the process is simple and quick, the grease is uniformly coated, the oiling quality and efficiency are effectively improved, and the labor cost required by the production link is greatly reduced.

This invention discloses an engine secondary compression release braking device, an engine, and a vehicle, comprising: an intake valve assembly; an intake cam including a base circle, a first convex portion, and a second convex portion; an intake rocker arm, the intake cam driving the intake rocker arm to rotate, causing the second end of the intake rocker arm to move toward the intake valve assembly, the engine being in its power stroke during the first convex portion abutting against the intake rocker arm; an actuator located between the second end of the intake rocker arm and the intake valve assembly, used to abut against the intake valve assembly and drive the intake valve of the intake valve assembly to open; and a drive mechanism used to drive the actuator to move relative to the second end of the intake rocker arm. During the engine's power stroke, the intake valve allows air to enter, ensuring the amount of gas in the cylinder during the engine's secondary compression release, thereby ensuring the engine's braking power; the intake valve also reduces the temperature of the gas entering the cylinder, thereby reducing the thermal load on the engine's fuel injectors, intake valves, and exhaust valves.

The utility model relates to the technical field of oil injection nozzle, concretely relates to a marine impurity-removed diesel engine oil injection nozzle assembly, including the oil injection main part, be provided with the spout on the oil injection main part, the side of oil injection main part is provided with the oil inlet, be provided with the impurity removal system for preventing the larger particle impurity to enter the oil injection nozzle assembly on the oil injection main part, the anti -unscrewing mechanism for preventing the fuel leakage between the impurity removal system and the oil injection main part is arranged between the impurity removal system and the oil injection main part. Through setting up the impurity removal system at the oil inlet, the power piece is not easy to be affected by the high temperature of the combustion chamber, and the anti -blocking mechanism can make the filter plate keep stable filtering effect, make the filter plate can continuously and efficiently filter the impurity in the fuel, prevent the impurity from entering the oil injection nozzle and fuel system, solve the high temperature in the combustion chamber can influence the performance of motor even cause the trouble, make the technical problem that the flow -directing type oil injection nozzle cleaning function is not stable.

The utility model discloses a numerical control milling machine working table convenient to maintain, which relates to the technical field of numerical control milling machines and comprises a working table, a plurality of T-shaped grooves are arranged on the working table, and the working table comprises a gas pipe and an oil pipe which are hollow. Branch pipes of the air pipe and the oil pipe are placed in the T-shaped groove, then the air inlet pipe and the oil inlet pipe are connected with an external air source and anti-rust oil respectively, then the air pipe and the oil pipe are moved along the T-shaped groove, an air path is communicated, air is blown out through the air nozzles to blow and clean chippings attached to the T-shaped groove, after sundries such as the chippings in the T-shaped groove are cleaned, the air path is closed, and the chippings in the T-shaped groove are removed. The oil path is opened, anti-rust oil is sprayed out through the oil nozzle, the air pipe is moved along the T-shaped groove, the oil pipe integrally coats the inner wall of the T-shaped groove with the anti-rust oil, and the problems that dead corners exist, the T-shaped groove is not completely cleaned, the anti-rust oil is not completely coated, and the maintenance effect of the workbench is affected are solved.

The invention relates to a safety control system and method for a fuel oil heater, belongs to the field of safety control of combustion equipment, and aims to solve the problems that flame detection in the prior art is weak in anti-interference capability, lacks a light detection component fault self-detection mechanism and cannot realize accurate linkage of ignition, combustion and oil supply. The system comprises a combustion chamber, an ignition assembly, a motor, a fan, an air pump, an oil tank, an air guide pipe, an oil nozzle, a photodiode and a control panel. Wherein the ignition assembly, the oil nozzle and the photodiode are arranged at the first end of the combustion chamber, and the motor synchronously drives the fan and the air pump; the flame detection circuit is combined with pulse signal judgment logic to automatically correct external light source interference; the control panel controls the ignition assembly and the motor to be started and stopped according to a preset time sequence, and fuel oil conveying is cut off when it is not detected that the flame normal combustion signal exceeds the set time length. The flame detection anti-interference capability is improved, and photodiode fault self-detection and accurate linkage of ignition, combustion and oil supply are realized.

The utility model belongs to the technical field of liquefied petroleum gas cylinder recovery, and discloses a one-way positioning liquefied petroleum gas cylinder intelligent conveying line which comprises a base, a conveying line body and a lubricating assembly. The conveying line is used for conveying liquefied petroleum gas cylinders; the lubricating assembly comprises an oil storage barrel, a piston rod, an oil filling pipe, an oil outlet pipe and an oil spray nozzle, the oil storage barrel is connected to the base, the piston rod is connected to the oil storage barrel, the oil filling pipe is connected to the oil storage barrel, the oil outlet pipe is connected to the oil storage barrel, and the oil spray nozzle is connected to the oil outlet pipe; the lubricating assembly can supply lubricating oil to the conveying line. By means of the arranged lubricating assembly, lubricating oil can be directly conveyed to the transmission gear and the chain through the oil spraying nozzle under the condition that operation of a production line is not interrupted, the lubricating oil is evenly smeared on the chain along with rotation of the gear, the service life of the transmission device is effectively prolonged, and efficient and stable operation of the production process is guaranteed.

The invention relates to the technical field of gear machining equipment, in particular to a gear machining device which comprises a device body, a main machine part is arranged on the upper side of the device body, a collecting groove is formed in the front side of the main machine part in a sunken mode, a slotting cutter and an oil nozzle are installed on the front side of the main machine part, and a collecting cavity is formed in the device body. A discharge port is formed in the bottom of the collecting tank, a first moving seat is arranged at the position, above the partition plate, of the collecting cavity in a horizontal moving mode in the front-back direction, a turning plate is arranged on the upper side of the first moving seat, and a filter screen box is installed on the upper side of the turning plate; and a turnover mechanism used for driving the turnover plate to rotate around the hinge is installed on the left side of the chipping chamber, and blowing mechanisms used for cleaning the turned filter screen box are arranged on the left side and the right side of the chipping chamber correspondingly. The problem that in the prior art, in the cooling oil recovery process of the gear shaping machine, after metal scraps block filter screen holes, the metal scraps and a filter screen need to be manually cleaned is solved.

Tool for removing injectors, which is designed to secure the injector (1) for carrying out a disassembly operation, wherein the tool (10) has a base body (10) with a first claw (11), a second claw (12) and a support section (13), wherein the first claw (11) and the second claw (12) are arranged at opposite ends of the support section (13) along a Z-axis and extend in an X-axis, such that the first claw (11), the second claw (12) and the support section (13) together form a receiving space (14) in which the injection nozzle (1) can be fixed, the X-axis being perpendicular to the Z-axis; and - wherein the end face of the first claw (11) has a first groove (111) and the end face of the second claw (12) has a second groove (121), and wherein the first groove (111) and the second groove (121) are designed to engage the injector nozzle (1) at different positions.

This disclosure relates to an injector device (1) for injecting liquid fuel into the combustion chamber of an internal combustion engine. The injector device includes an injector needle (3) in an open position, allowing fuel flow from the main fuel chamber to the injector nozzle (5). Correspondingly, in a closed position, fuel flow from the main fuel chamber (4) to the injector nozzle (5) is interrupted. The needle (3) includes an internal auxiliary fuel passage (3a) and one or more needle holes (3b) for injecting auxiliary fuel into the main fuel chamber (4). This arrangement allows the auxiliary fuel to be mixed with the main fuel within the main fuel chamber (4) before fuel is injected through the nozzle (5). An internal combustion engine and a method of fuel injection are also disclosed.

The utility model discloses an oil recharging mechanism for a steel jacket product, relates to the technical field of oil recharging mechanisms, and aims to solve the problems that an oil recharging lubricating mechanism in the prior art is too complex in structure and poor in oil spraying effect, and the production and processing cost is greatly increased. The oil recharging mechanism comprises a bin body, and a push rod motor is fixed to the inner wall of the top of the bin body; a connecting plate is fixed to the bottom of the push rod motor, and the end, away from the push rod motor, of the connecting plate is rotationally connected with an oil spraying assembly. When a product moves to the position below the oil spraying assembly on the conveying belt, the position of the product is calibrated through the infrared sensor, oil in the oil tank is conveyed into the oil spraying nozzle through the oil conveying pipe, the hose, the connecting pipe, the bottom shell, the fixing pipe and the oil outlet pipe to be sprayed out through the oil pump, and the oil spraying assembly is driven to move downwards in cooperation with downward extension of the push rod motor. Oil is sprayed to the product from top to bottom, the servo motor is matched to drive the oil spraying assembly to rotate through the gears meshed with each other, and oil is sprayed to the product in all directions.

The invention belongs to the technical field of piston cooling devices, and particularly relates to an internal combustion engine piston inner-cooling oil cavity angle-variable oil injection system which comprises an acquisition assembly, a control assembly and a control assembly. The oil injection assembly comprises an oil injection seat, and an oil injection nozzle is arranged on the oil injection seat; and the execution assembly comprises a control part and an execution part, the execution part is connected with the oil nozzle to drive the direction of the oil nozzle to change, and the control part controls the execution stroke of the execution part according to the working condition state information collected by the collection assembly. The oil injection angle of cooling oil can be changed along with working conditions so as to change the oil charge rate of each inner cooling oil cavity along with the working conditions, and the problems that the heat efficiency of an internal combustion engine is unstable due to the fixed oil charge rate of the inner cooling oil cavity of the piston of the internal combustion engine and the thermal deformation degrees of all parts of the piston are different due to cooling temperature difference and the service life of the piston is shortened are solved.

The utility model provides a kind of track fastener oiling device in the technical field of track fastener oiling, including oiling frame and power frame, the tail end of oiling frame is detachably movably connected with the front end of power frame, the bottom four corners of oiling frame are distributed with four first track wheels, the left and right sides of oiling frame are each equipped with extension frame, the bottom of extension frame is each equipped with multiple proximity sensors, oiling frame is equipped with oiling assembly, oiling assembly includes multiple oil nozzles, multiple oil nozzles are symmetrically distributed on the extension frame of the two sides of oiling frame, two pumps are also installed on oiling frame along the symmetric distribution of oiling frame middle part;The bottom four corners of power frame are distributed with four second track wheels, power assembly is installed on power frame, power assembly drives device to walk by itself, oiling is carried out by automatic detection by pump and proximity sensor, the track fastener on the left and right sides of two tracks can be simultaneously oiled, oiling efficiency is greatly improved, and the labor intensity of operator is reduced.

The utility model relates to oil tank technical field, and disclose a kind of measuring tool for quickly measuring oil nozzle oil tank diameter, including measuring body, fixed claw, extension rod, movable claw and percentage measuring table, the fixed claw is connected by screw thread on the front side of measuring body, the extension rod is fixedly installed in the left side of fixed claw, the movable claw is movably connected by step screw on the front side of fixed claw.This kind of measuring tool for quickly measuring oil nozzle oil tank diameter, by setting measuring body, fixed claw, extension rod, movable claw and percentage measuring table, this mode can realize quick measurement, improve detection efficiency while effectively guaranteeing measurement accuracy, when developing in different series of oil nozzle, due to the universality of the measuring tool, subsequent need not new ordering measuring tool, shorten the overall development cycle, reduce development cost, improve the convenience and flexibility of oil tank detection, convenient for operating personnel to use.

The low-speed combustion-supporting device is installed between an outlet of a fuel oil injection pump and an oil injection nozzle and comprises a high-pressure storage tank, a three-way connector and a high-pressure one-way valve, and the high-pressure one-way valve comprises a piston seat, a piston, a spring and a spring force regulator; when the spring is compressed, the piston is separated from the piston seat, and the high-pressure one-way valve is opened; when the spring is not compressed, the piston is matched with the piston seat, and the high-pressure one-way valve is closed; the inner diameter of the piston seat is equal to or larger than that of the fuel injection pump piston. When the diesel engine runs at an idle speed, the closed high-pressure one-way valve introduces fuel oil flowing out of the injection pump into the high-pressure oil storage tank for temporary storage, and when slow-flow fuel enters the high-pressure oil storage tank, air in the high-pressure oil storage tank is converted into compressed air. When the pressure exceeds the preset spring force, the high-pressure one-way valve is opened, and the fuel stored in the high-pressure oil storage tank and the entering slow-flow fuel flow out of the nozzle at higher speed and higher pressure. The fuel oil spraying quality of the diesel engine in idle speed operation can be improved, the structure is simple, and the cost is low.