30results about How to "Increase oil intake" patented technology

The invention relates to a method for smearing wood wax oil on the surface of a wood product, which comprises the following steps: 1, smoothening; 2, smearing the wood wax oil; 3, kneading a wax oil coating on the surface; 4, wiping floating oil; 5, drying; 6, repeating the steps 2-5 for one or two times; 7, polishing till the hand feeling is smooth; and 8, spraying polishing wax, polishing and entering a next assembly process. By using the method, the crack of the wood product can be effectively prevented, and the service life is prolonged; the operation is simple, and materials, labors and oil are saved; the wood wax oil is a green and environmentally-friendly coating and a low-carbon environmentally-friendly product; and by using the method, the wide application of the wood wax oil can be promoted, and an important significance on environment friendliness is realized.

The invention relates to a circular oil cooling electric magnetic iron remover consisting of a header tank, cooling system and a oil cooling magnetic system; wherein, the cooling system consists of a power pump, a radiator and an internal and external cyclic hydraulic circuit; an internal oil circuit is a cooling medium channel in the oil cooling magnetic system; an outer cyclic oil circuit affluxes into a current divider by an oil pipe which is communicated with an inner cavity of the oil cooling magnetic system, then into the radiator with an outlet being connected with another current divider which is connected with the oil pipe which is communicated with an inner cavity of oil cooling magnetic system; the power pump is arranged in a pipe between the radiator and the current divider. By adopting the cooling system with internal and external circulation, the circular oil cooling electric magnetic iron remover allows the whole machine to raise temperature evenly and obviously low, thereby reducing the local excessive heating phenomenon, raising magnetic potential utilization ratio, further raising magnetic attraction force, raising the working life of the circular oil cooling electric magnetic iron remover and ensuring safe and reliable operation of the invention. The circular oil cooling electric magnetic iron remover is in particular suitable for the bad working conditions with moistness, large amount of bug dusts and salt spray corrosion.

The invention relates to a cylinder sleeve fatigue test device. An annular sunk groove (13) and an annular sealing protrusion (14) used for supporting a cylinder sleeve (3) are arranged on a bearing cylinder body (1), a counter bore matched with a combined cylinder cover (2) is formed in an upper opening of the cylinder body, an oil inlet port and a sensor port are formed in an oil inlet (6) and an upper port of a pressure monitoring hole (7) in the cylinder body respectively, the cylinder sleeve (3) is arranged in the bearing cylinder body (1), the combined cylinder cover (2) is arranged in the counter bore of the combined cylinder cover (2) and the cylinder sleeve (3) in a sealing sleeved mode, a cylinder cushion (4) is arranged at the position where the combined cylinder cover (2) is connected with the cylinder sleeve (3), and an upper edge opening of the cylinder sleeve (3) and a simulation combustor cavity form a simulation combustor (8). According to the cylinder sleeve fatigue test device, sealing hidden troubles in the cylinder body are eliminated, stability of the test process is improved, the adjusting range of the pressure in the cylinder body is enlarged, and a cylinder sleeve fatigue examination and a fault reappearance test are facilitated.

The invention relates to an oil cooling low consumption external rotor permanent magnetic motor, belongs to the field of a motor and aims to reduce oil friction loss, improve heat radiation capability and improves power density applied to an oil-filled environment motor. The permanent magnetic motor comprises a stator and a rotor, wherein the stator comprises a stator shaft, a stator core, an insulation layer and multiple stator coils, the rotor comprises a casing, a rotor yoke, two bearings, multiple magnetic steels and two end covers. The permanent magnetic motor is characterized in that cutting of interior angles of two sides of an inner arc surface of each magnetic steel is carried out, an inner surface of a cylindrical structure formed by the multiple magnetic steels is axially provided with a screw-in drainage slot, an circular surface of the rotor yoke is axially provided with inclined over-current slots, and the multiple inclined over-current slots are symmetrically distributed circumferentially. The permanent magnetic motor is advantaged in that power density can be improved when the permanent magnetic motor is utilized under the oil filling high temperature environment, and great application values are realized.

The invention discloses a multi-path valve for a wheel excavator. The multi-path valve for the wheel excavator comprises a second oil inlet, a first oil inlet, an oil returning opening, a movable armoil linkage path, a bucket oil linkage path, a bucket rod oil linkage path and a guiding oil way. All the oil ways communicate with one another in series and communicate with the second oil inlet andthe oil returning opening to form a loop, and the bucket rod oil linkage path communicates with the first oil inlet. The multi-way valve for the wheel excavator is further provided with a third oil inlet, a movable arm oil cylinder, a bucket oil cylinder, a bucket arm cylinder and an auxiliary oil linkage way. The movable arm oil linkage path is further provided with a corresponding movable arm reversing valve, the bucket oil linkage path is further provided with a corresponding bucket reversing valve, the bucket rod oil linkage path is further provided with a bucket rod reversing valve, and the auxiliary oil linkage path is further provided with an auxiliary reversing valve. The third oil inlet communicates with the auxiliary reversing valve. The movable arm oil cylinder is connected withthe movable arm reversing valve, the bucket oil cylinder is connected with the bucket reversing valve, and the bucket arm cylinder is connected with the bucket rod reversing valve. Compared with theprior art, the multi-path valve has the beneficial effects that the coordination of composite actions of the excavator is improved, and therefore the working efficiency is improved.

The invention relates to an oil static pressure main shaft for shaft oil supply, which belongs to the mechanical engineering technical field. The invention is characterized in that the oil static pressure main shaft for shaft oil supply is composed for the main shaft, a front end cover, a regulating ring, a bearing bush, a rear end cover and a bush seat. The high pressure oil is directly entered into an oil chamber of the bearing bush through an oil nozzle, an oil orifice is drilled on the main shaft, therefore the high pressure oil is supplied to the radial oil chamber through the oil orifice of the main shaft for thrusting the oil chamber. The main shaft is suspended in the bearing bush by an oil membrane, the hydraulic oil flowed out of the oil chamber is returned back to a hydraulic station through an oil return hole of the bearing bush. The oil static pressure main shaft has the effect and performance that a restrictor and a bush sleeve are removed, the shaft but the bush sleeve is used for oil supply, and the structure is simplified. The oil static pressure main shaft solves the obstruction problem of the restrictor and reduces the complex degree of mechanical treatment and assembly process.

The invention relates to an intelligent fine soil preparation device, and belongs to the technical field of agricultural machinery. The intelligent fine soil preparation device comprises a sensing control circuit, a deep ploughing knife roll assembly (4) supported in the front of a machine frame (1), a fine preparation knife roll assembly (17) and a pressing wheel (19), wherein the fine preparation knife roll assembly (17) and the pressing wheel (19) are supported in the back of the machine frame (1) and driven by a hydraulic motor (16). The signal input end of the sensing control circuit is connected with a force sensor (26) located between the deep ploughing knife roll assembly (4) and the fine preparation knife roll assembly (17), the control output end of the sensing control circuit is connected with a stepping motor (13), and the motion output end of the stepping motor (13) is connected with an adjusting oil cylinder (10) located in an oil transportation channel of a hydraulic motor (16) through a transmission mechanism. The sensing control circuit comprises an intelligent control device outputting corresponding signals for controlling the opening position of the adjusting oil cylinder according to the signals of the force sensor (26). According to the intelligent fine soil preparation device, the secondary fine ploughing operation strategy is determined in an intelligent mode, and standard requirement of fine soil preparation of vegetable fields is met actually.

The invention discloses an accelerating and pressurizing system. The accelerating and pressurizing system comprises a second switching valve, a double-acting oil cylinder and a third switching valve which are arranged on an oil inlet and outlet path of an execution oil cylinder; a piston with a large end and a small end is arranged in the double-acting oil cylinder, a large cavity and a small cavity of the double-acting oil cylinder correspond to the large end and the small end of the piston respectively, the double-acting oil cylinder is connected with branches through the large cavity and the small cavity and arranged on a working oil inlet way of the execution oil cylinder in parallel, and the second switching valve is arranged on the branch connected with the large cavity of the double-acting oil cylinder; and the third switching valve is arranged on a working oil return path of the execution oil cylinder and is used for switching and connecting an oil return port of the executionoil cylinder between the working oil return path and the working oil inlet path. According to the accelerating and pressurizing system, on the premise that the discharge capacity and the pressure level of a main pump do not need to be changed, the accelerating and pressurizing system is additionally arranged on the working oil way of the execution oil cylinder, so that the no-load running speed ofthe execution oil cylinder is increased, the maximum output force of the oil cylinder load is increased, and the execution oil cylinder can stretch out rapidly or with large thrust.

The invention provides a centrifugal supercharging type spiral oil pump, a compressor and heat exchange equipment. The oil pumping amount of the compressor oil pump under the conditions of low rotating speed, high oil temperature and low viscosity can be increased. The spiral oil pump comprises an oil suction pipe and an oil suction pipe core arranged in the oil suction pipe, wherein a spiral groove is formed in the surface of the oil suction pipe core in the axis direction from bottom to top, an oil inlet is formed in the bottom of the oil suction pipe, separation type blades which do not shield the oil inlet are arranged on the periphery of the oil inlet and fixedly connected with the inner wall of the oil suction pipe, and the oil suction pipe and the oil suction pipe core can rotate relatively to realize oil pumping. The separation type blades rotate to stir entering oil to generate strong centrifugal force when the oil suction pipe rotates, and meanwhile, the separation type blades are arranged to avoid blocking of the blades to the oil inlet, the oil inlet amount is increased, and therefore the oil pumping capacity is further improved, the oil pumping capacity of a compressoroil pumping system under the low-rotating-speed and high-temperature conditions is improved, and the oil pump is suitable for the variable frequency compressor.

The invention provides an auxiliary filling device and a brake fluid filling system, wherein the auxiliary filling device is used for a hydraulic clutch pedal control mechanism, the hydraulic clutch pedal control mechanism comprises a clutch master cylinder, the auxiliary filling device comprises a shell and a filling piston, the shell is vertically arranged, the shell is provided with a cavity, a pipeline inlet is formed in the bottom wall of the cavity in a penetrating manner, and the pipeline inlet is used for being arranged at an oil outlet of the clutch master cylinder in a communicated manner; and the filling piston can be movably installed at the upper end of the cavity in the vertical direction, and the filling piston is provided with a sealing position for sealing the pipeline inlet and a communicating position for opening the pipeline inlet in the moving stroke of the filling piston. According to the technical scheme, by means of the auxiliary filling device, the vacuum degree in the clutch master cylinder is increased, and the filling and exhausting efficiency of the clutch master cylinder is improved.

The sliding disc type axial plunger pump comprises a flow distribution sliding disc pair, a plunger pair and a flow distribution pair, the flow distribution sliding disc pair comprises a swash plate and a sliding disc supported on the swash plate, the sliding disc is of an integral structure, kidney-shaped holes communicated with center holes of plungers are formed in the sliding disc, and the plunger pairs are arranged in the kidney-shaped holes. A low-pressure oil distribution hole serving as an oil inlet channel is formed in the portion, opposite to the low-pressure plunger hole, of the swash plate supporting face, static pressure supporting is formed by the portion, opposite to the high-pressure plunger hole, of the swash plate supporting face and a kidney-shaped hole of the sliding plate, and the low-pressure oil distribution hole is communicated with a shell cavity through an oil inlet groove formed in the swash plate. Low-pressure oil enters a plunger hole of the cylinder body from a low-pressure flow distribution opening and an oil inlet groove or a groove-shaped low-pressure opening of the swash plate in a double-way mode, high-pressure oil is discharged from a high-pressure flow distribution opening of the flow distribution plate or a groove-shaped high-pressure opening of the swash plate in a single-way mode, and suction and discharge of hydraulic oil are achieved. The axial stress of the bearing can be further reduced, the stress working condition of the bearing is improved, the self-suction capacity is improved, the oil temperature is reduced, the working reliability of the plunger pump is improved, and the working life of the plunger pump is prolonged.

The invention discloses a motor driven hydraulic control system with an adaptive flow distribution function. The system comprises a hydraulic oil tank, a first hydraulic motor and a second hydraulic motor; the first hydraulic motor is connected with a first motor control valve, a first flow regulator and a first motor rotating direction controller; the second hydraulic motor is connected with a second motor control valve, a second flow regulator and a second motor rotating direction controller; the system further comprises a third flow regulator; pressure sensing ports of the three flow regulators communicate with one another; when load of one hydraulic motor is increased, the three flow regulators cooperate for work, the oil intake amount of the motor is increased, the oil intake amount of the other motor is reduced, normal work is guaranteed, and after the load returns to normal, the normal hydraulic state is restored under cooperative adjustment of the three flow regulators. The system has the characteristics of producing little heat and being more energy-saving; one pump controls multiple motors, an electrical control system is not needed, and the cost is relatively low; and the scheme is easy to implement, and the operation effect is better.

The invention discloses a lubricating oil and jacking oil adjusting device for a power plant, and relates to the field of power plants, the lubricating oil and jacking oil adjusting device comprises a lubricating oil tank, a high-pressure cylinder, a medium-pressure cylinder, a low-pressure cylinder, a generator and a plurality of groups of bearings, the lubricating oil tank is connected with a jacking oil pump and a lubricating oil pump, and the jacking oil pump is connected with the lower parts of the plurality of groups of bearings through jacking oil pipelines, a lubricating pipeline of the lubricating oil pump is connected with the multiple sets of bearings, each of a first main pipe and a second main pipe is provided with a teletransmission pressure transmitter, the multiple sets of first branch pipes and second branch pipes are each provided with an electric adjusting door, the teletransmission pressure transmitters are wirelessly connected with a wireless repeater, and the wireless repeater is wirelessly connected with a server. The device can achieve the purpose of convenient and rapid wireless transmission, saves a lot of manpower and time due to the remote automatic adjustment, can be used for the progress grabbing of other equipment, and achieves the purpose of rapid completion on the premise that the time and manpower are not changed.