61results about How to "Increase fuel supply" patented technology

The invention relates to a multipoint radial jetting oil supply nozzle for a high-speed and heavy-load bevel gear. A hollow oil chamber, an oil inlet and oil jetting holes are formed in the nozzle. The hollow oil chamber communicates with the oil inlet and the oil jetting holes. A circumferential locating boss is formed at the end of the oil supply nozzle. The oil jetting holes comprise the first oil jetting hole, the second oil jetting hole and the third oil jetting hole. The three oil jetting holes are all formed in the end of the oil supply nozzle, and an independent included angle is formed between each of the three oil jetting holes and the central axis. An upper limit value of the oil supply amount exists for transmission of any gear. When the oil supply amount exceeds the upper limit value, no cooling effect can be achieved for the gear. The upper limit value is called as the valid oil supply amount, and the exceeding part is the invalid oil supply amount. By means of the multipoint radial jetting oil supply nozzle, the valid oil supply amount can be increased, the invalid oil supply amount can be controlled, and the cooling effect can be improved.

The invention relates to an oil leak preventing device for an upwards curved needle mechanism. A columned upwards curved needle guiding body capable of being freely and rotationally inserted and kept on a circular hole formed on an upwards curved needle guiding component is formed with an upper communicating slotted hole and a lower communicating slotted hole orthogonal with a communicating hole for sliding and lifting of an upwards curved needle table, an oil seal ring elastically and glidingly contacting the outer peripheral face of the upwards curved needle table and provided with a labial part for scraping lubricating oil is inserted in the upper communicating slotted hole, and an oil suction ring capable of sucking and keeping the scraped residual lubricating oil is inserted in the lower communicating slotted hole, therefore, the oil leak preventing device can reliably and favorably exert scraping function of the residual lubricating oil, can reliably prevent the scraped residual lubricating oil from being attached to the outer peripheral face of the upwards curved needle table again to disperse upwards, and can stably maintain the oil link preventing function for a long term.

A floor panel (24) of a vehicle body (11) is provided with bulging sections (51, 52) in which seats (47, 48) are disposed to the left and right of a tunnel section (25), and a rear tunnel cross member (58) extending in the vehicle width direction at the rear ends (51a, 52a) of the bulging sections (51, 52). The vehicle body (11) is provided with left and right floor extensions (27, 27) set further toward the tunnel section (25) along a dashboard lower (21) relative to front side frames (22, 22), floor frames (31, 32) extending so as to span between the floor extensions (27, 27) and the rear tunnel cross member (58) and having a predetermined distance in the vehicle body vertical direction from a rear floor panel (46), and an energy container (18) placed below the bulging sections (51, 52) and supported on the floor frames (31, 32). The floor frames (31, 32) are fixed to the vehicle body (11) so as to be capable of being removed from below the vehicle body.

The invention relates to the technical field of refrigeration compressors, in particular to a rotary compressor with a spiral oil guide sheet. In the rotary compressor, the lower end of the rotating shaft of a motor is connected to an inner bore oil duct of an oil bath; the inner bore oil duct is provided with the spiral oil guide sheet; the spiral thread pitch of the lower end of the spiral oil guide sheet is less than the thread pitch of the upper side of the spiral oil guide sheet; in the working process of the compressor, when the oil level of lubricating oil in the oil bath is lower, theoil guide sheet at the lower end of the spiral oil guide sheet which has smaller thread pitch is contacted with the lubricating oil in the oil bath, and the working angle of the oil guide sheet is large so as to contribute to increasing the oil supply and oil supply pressure; and in the process of delivering the lubricating oil upwards, the upper spiral sheet of the spiral oil guide sheet has larger thread pitch, so that the formation frequency of eddy of oil flow is reduced, oil supply resistance is reduced, the quantity of oil reaching an oil hole level is high, the quantity of oil enteringa compressor unit from an oil hole is higher, sufficient oil is supplied to the compression unit, and the reliability of the compressor is ensured.

An oil supply device for a hermetic compressor, which comprises: a crankshaft connected with the motor rotor so as to rotate together with it and having a lubricating oil passage inside; a sleeve connected with the lower part of the crankshaft for It is integrated with the crankshaft and rotates together; an oil-absorbing member arranged to maintain a uniform interval with the inner peripheral surface of the above-mentioned sleeve, which rotates in the direction opposite to the rotation direction of the sleeve to complete the oil-absorbing work; and an oil-absorbing member for supporting the above-mentioned oil-absorbing member The rotation force transmission device of the component is used to make the oil-absorbing component rotate together with the sleeve, and the device receives the rotational force from the sleeve so that the oil-absorbing component rotates in the direction opposite to the direction in which the sleeve rotates. The increased relative rotational speed between the sleeve and the oil absorbing member increases the amount of oil supplied to the sliding parts and friction parts, thereby improving the lubricating performance of the compressor. When the compressor vibrates, the oil-absorbing member and the sleeve vibrate with the same amplitude, so that the gap between the sleeve and the oil-absorbing member can be kept uniform. Therefore, the present invention can improve the reliability of oil supply.

The invention discloses a steam turbine lubricating oil high-level oil tank system. The steam turbine lubricating oil high-level oil tank system comprises a main oil tank, an oil pump, an oil supply pipeline, a bearing box and an oil return pipeline which sequentially communicate with each other according to a lubricating oil circulation sequence, the oil supply pipeline communicates with an oil cooler and communicates with an oil charging pipeline, the oil charging pipeline communicates with a high-level oil tank, and a high-level oil supply pipeline communicates between the high-level oil tank and the bearing box. The steam turbine lubricating oil high-level oil tank system has the beneficial effects that an existing system does not depend on an electrical system, can automatically and stably control the oil supply pressure, only has the requirement for the lowest arrangement height of the oil tank, has no requirement for the structural form, can maintain the oil temperature and the oil level of the high-level oil tank, and has an online testing function. According to the steam turbine lubricating oil high-level oil tank system, the volume of the high-level oil tank can be effectively reduced, the arrangement requirement of the high-level oil tank is lowered, regular tests can be carried out, the safety of a unit lubricating oil system is enhanced, and oil cut-off and bush burning accidents are avoided.

The invention provides a steering pump. The steering pump is provided with a steering pump oil inlet and two steering pump oil outlets, wherein the steering pump oil inlet is connected with an oil tank, and the two steering pump oil outlets are connected with a steering device. The invention further provides the steering device comprising two steering device oil inlets, two steering device oil outlets and two boosting cylinder connectors, wherein the two steering device oil inlets are used for connecting with the steering pump, the two steering device oil outlets are connected with the oil tank, and the two boosting cylinder connectors are used for connecting with boosting cylinders. A rotary valve used for controlling oilway flow direction is arranged on the steering device. In addition, the invention provides a steering system comprising the steering device, the steering pump, the oil tank, the first boosting cylinder and the second boosting cylinder. The steering system solves the problem that the automobile is heavy in turning and slow-moving in steering. Finally, the invention provides the automobile comprising the steering system.

The invention discloses a self-lubricating sliding bearing for a high-speed large-power motor. A bearing box adopts a D-shaped large oil cavity structure; and cooling fins are cast at the periphery of the oil cavity. The structure inside the bearing box can avoid the situation that the high-temperature lubricating oil leaked from the inner end and the outer end of a bearing bush is directly introduced to a lubricating clearance between a shaft and the bearing bush by an oil ring, and ensure that the lubricating oil supplied by the oil ring to the bearing bush is efficiently-cooled low-temperature lubricating oil, so as to reduce the temperature of the bearing. The improved structure of the oil ring can enlarge the amount of the bearing lubricating oil, enhance the lubrication of the bearing bush, and reduce the friction loss of the bearing bush. An air passage is cast in the bearing box to compensate air that is sucked by the local part of the bearing box by the air outside the bearing box. A cavity inside the bearing box is partially sealed, so that the partial negative pressure that is naturally formed when the gas is expanded isothermally and by the equal volume can counteract the negative pressure inside the motor, which ensures that the sliding bearing is free from the leakage hidden trouble. The sliding bearing has the advantages of reasonable structure and design, strong bearing radiating capability, reliability in lubrication, good sealing performance and the like.

The invention discloses an upslope booster for a turbocharging diesel car. The upslope booster comprises a supercharging compensator, a connecting air inlet pipe, an engine body, a supercharging air pipe and a boosting supercharging device. The supercharging compensator is closely connected with one end of the connecting air inlet pipe in a penetrating mode. The engine body is connected with the other end of the connecting air inlet pipe. One end of the supercharging air pipe is embedded in the connecting air inlet pipe and is fixed in a screwed mode by a connecting flange. The boosting supercharging device is connected with the supercharging air pipe in a screwed mode by a connecting hole with threads. The boosting supercharging device consists of a contact starting device, an electromagnetic coil device, a gear transmission device, a protection shell, a switch connecting mechanism and a supercharging pump device. According to the upslope booster for the turbocharging diesel car, theboosting supercharging device is arranged to enable the turbocharging diesel car to increase air pressure in the connecting air inlet pipe when the car climbs a slope, diesel supply volume of the supercharging compensator is increased; finally, power of the car is increased, a boosting function is conducted on the car, so that the upslope ability of the car is improved.

The invention discloses a fuel injection pump driving device of a diesel engine. The fuel injection pump driving device comprises a rolling wheel assembly and a tappet; the rolling wheel assembly comprises a rolling wheel pin, a rolling wheel lining and a rolling wheel; the rolling wheel pin is provided with an oil distribution groove; and a plurality of oil distribution holes are additionally formed in the middle of the rolling wheel lining in the circumferential direction. The fuel injection pump driving device disclosed by the invention can solve the problem that there is insufficient oil supply when fit clearances between the rolling wheel and the lining and between the lining and the rolling wheel reach two end faces of the rolling wheel, the problem about uneven oil supply caused when the fit clearances between the rolling wheel and the lining and between the lining and the rolling wheel pin reach the two end faces of the rolling wheel due to form and location tolerance of parts, and the problem about abnormal wear without changing the overall structure of the fuel driving mechanism.

The invention discloses a novel brake rocker arm and a control method thereof. The novel brake rocker arm comprises a rocker arm shaft, wherein the surface of the rocker arm shaft is sleeved with a brake rocker arm body, the right side of the brake rocker arm body is movably connected with a roller, the bottom of the roller is provided with a cam, the left side of the brake rocker arm body is fixedly connected with a brake execution box, the top of the brake execution box is provided with a rotary knob, the bottom of the rotary knob is fixedly connected with a threaded rod, and the bottom of the threaded rod penetrates into an inner cavity of the brake execution box and is movably connected with a pressing plate. According to the brake rocker arm, by arranging an oil outlet shell, a rubber sealing plate, a reset spring, a control block, adjusting grooves, extrusion wheels, a pull rod, an exhaust pipe, a first one-way valve, an air inlet pipe, a second one-way valve and an oil outlet pipe, the problems that an existing brake rocker arm is small in lubricating oil supply amount and poor in lubricating effect, and low brake precision is likely to be caused are solved. The brake rocker arm has the advantages that the lubricating oil supply amount is large, the lubricating effect is good, and the brake rocker arm is worthy of popularization.

The invention provides an oil pump. The oil pump comprises a pump body, a pump cover, a pump shaft, an inner rotor and an outer rotor. The pump cover is arranged on the pump body, and an oil cavity is formed between the pump cover and the pump body; the pump shaft penetrates the pump shaft to extend to the interior of the oil cavity, and is sleeved with the inner rotor; the inner rotor is arranged inside the outer rotor, and the inner rotor and the outer rotor are arranged inside the oil cavity; and an oil outlet cavity is formed in the left end of the bottom of the oil cavity, and an oil inlet cavity is formed in the right end of the bottom of the oil cavity. A filter device is arranged at the bottom of the oil inlet cavity, a suction filter and an oil outlet hole are arranged inside the pump body, the suction filter is communicated with the oil inlet cavity, and the oil outlet hole is connected with the oil outlet cavity. The oil pump is simple and compact in structure, foreign matter in oil can be filtered in time, the oil can flow smoothly, normal work of the oil pump is ensured, and the working efficiency is improved.

A double-pump confluence hydraulic system relates to the technical field of excavators and comprises a pumping module, a breaking hammer starting module, a main valve and a breaking hammer, wherein the pumping module comprises a first pumping mechanism and a second pumping mechanism, the first pumping mechanism communicates with a first valve block group of the main valve, and the second pumping mechanism communicates with a second valve block group of the main valve; the breaking hammer starting module communicates with a pilot oil pipeline; the pilot oil pipeline respectively communicates with a converging valve and a negative flow signal cut-off valve in the main valve; the breaking hammer communicates with a breaking hammer oil supply pipeline, the breaking hammer oil supply pipeline communicates with the first pumping mechanism in the pumping module through the main valve, and the breaking hammer oil supply pipeline communicates with the second pumping mechanism in the pumping module through the converging valve. When the double-pump confluence hydraulic system supplies oil to the breaking hammer, the first pumping mechanism supplies oil through the main valve, the second pumping mechanism supplies oil through the converging valve, the oil does not need to flow through the main valve, and the energy loss of the oil is reduced while the oil supply amount is increased through double-pump oil supply.

The invention relates to the technical field of numerical control lathes, and discloses a lubrication control system for a numerical control machine tool and capable of automatically adjusting lubrication according to needs. The lubrication control system comprises a tool table, a self-lubricating assembly and a nozzle assembly; a control seat is fixedly mounted on the left side of the tool table; a clamping seat is fixedly mounted on the right side of the control seat; a rotating shaft is movably connected to the inner wall of the clamping seat; and the inner wall of the clamping seat is movably connected with the outer wall of the self-lubricating assembly. According to the lubrication control system and method for the numerical control machine tool and capable of automatically adjusting lubrication according to needs, a user supplies power to a motor; when the rotating shaft changes from a low speed to a high speed, the eccentricity of the rotating shaft is increased, then a telescopic rod drives a pressing wheel to move outwards under the assistance of a reset spring; fixed-point rotation of a gear disc enables an oil pushing plate to slide along the inner wall of an oil storage cavity, and finally the oil pushing plate cooperates with the nozzle assembly to continuously supply oil to a roller on the inner wall of a bearing, so that the effect of lubricating oil of different magnitudes under different rotating speeds of the numerical control machine tool is improved.

The invention discloses an outer rotor gear driven lubricating oil pump, which comprises a body pump body, a pump cover, an outer rotor gear, an inner rotor, a boss pump shaft and an inner hexagon screw, wherein the bottom surface of a rotor hole of the body pump body is provided with an oil inlet passage, an oil inlet cavity, an oil outlet cavity, an oil outlet hole and an oil path hole; the plane of the pump cover is provided with an oil inlet cavity, a tunnel type oil passage, an oil inlet and an oil outlet cavity; the boss pump shaft is arranged on the bottom surface of the rotor hole at the front end of the body pump body by using the inner hexagon screw; a cylindrical small boss on the boss pump shaft is matched with an axle hole on the bottom surface of the rotor hole at the front end of the body pump body; the outer rotor gear is arranged in a rotor hole at the front end of the body pump body; the inner rotor is arranged on the boss pump shaft in a movable fit mode and is engaged with inner teeth of the outer rotor gear; the pump cover is arranged on a shell of the body pump body through bolts; and a cylindrical large boss on the boss pump shaft is matched with the axle hole on the pump cover. After the pump cover is arranged on the shell of the body pump body, flexibility of rotation of the inner rotor and the outer rotor gear can be guaranteed.

The invention discloses an oil supply structure for a compressor and the compressor with the oil supply structure. The oil supply structure for the compressor comprises a crankshaft, wherein the crankshaft is arranged vertically and is provided with a central hole; and an oil pump piece, wherein the oil pump piece is matched at the lower part of the central hole, a gap is reserved between the outer peripheral wall of the oil pump piece and the inner peripheral wall of the central hole, and the oil pump piece can rotate relative to the crankshaft. According to the oil supply structure for the compressor according to the embodiment of the invention, the oil supply amounts of various components of the compressor are increased on the premise of thinning the diameter of the crankshaft; and theefficiency and the reliability of the compressor are improved.

The invention discloses a double-fulcrum sliding bearing, and relates to the field of sliding bearings. The bearing comprises a bearing inner ring. A bearing outer ring is arranged on the outer portion of the bearing inner ring in a sleeving manner. The bearing outer ring and the bearing inner ring are fixed through pins. Multiple bearing bush blocks are fixed to the inner layer of the bearing inner ring. The multiple bearing bush blocks are combined and arranged in a circular, uniform-distribution and surrounding manner. Each bearing bush block is connected with the bearing inner ring and thebearing outer ring through two mechanical supports. The mechanical supports are adopted for the bearing and used as oil spraying devices, and therefore materials are saved, the bearing capacity can be improved, and loss and oil consumption of the positions of fulcrums are reduced.