43results about How to "Improve lubrication environment" patented technology

The invention provides a control method and device for an automobile lubrication system as well as the automobile lubrication system and relates to the automobile field. The control method for the automobile lubrication system is applied to the automobile lubrication system. The system comprises an automobile pre-start inductor, a controller, an engine and an electronic oil pump, wherein the controller is electrically connected with the automobile pre-start inductor and the electronic oil pump respectively. The method comprises steps as follows: before operation of the engine, the controller receives a pre-start signal sent by the automobile pre-start inductor and controls the electronic oil pump to operate after receiving the pre-start signal. With the adoption of the method, the device and the system, the condition of abrasion of mechanical parts such as the engine, a booster and the like due to the fact that the oil pump is started after the engine in the prior art is avoided, a good lubrication environment is provided for the mechanical parts such as the engine, the booster and the like before start, the normal use of the mechanical parts is guaranteed, and the service life of the mechanical parts is prolonged.

The invention relates to a split single roller bit. The split single roller bit is mainly composed of a drilling bit jaw, a cone lower body, a cone upper body, teeth, diameter keeping teeth, a steel ball, a retaining plug, an oil mouth, an oil blocking plug and a rectangular sealing ring. The drilling bit jaw is connected with the cone lower body and the cone upper body through a drilling bit palmaxial neck aslant arranged at the lower end of the drilling bit jaw, and in the drilling process, the cone lower body and the cone upper body rotate along with a bit body and also spin around the drilling bit palm axial neck respectively to achieve the task of scraping and smashing rocks of the cone lower body and the cone upper body. A split structure is adopted by the split single roller bit, the teeth scraping efficiency of a roller small end tooth ring and teeth of a middle tooth ring can be improved, the rock smashing efficiency of the bit is improved, conical structures are adopted by the cone lower body and the cone upper body, the split single roller bit is applicable to smashing a hard stratum, and the effective service life of the split single roller bit is prolonged.

The invention belongs to the technical field of oil production well tools, in particular to a packing wear condition monitoring device, which comprises a filling chamber (1), a metering mechanism (4)and a pressure matching cylinder (5), wherein the filling chamber (1) comprises a shell (104), a shield (106), a rubber cylinder (105) and a packing (2); the rubber cylinder (105) and the packing (2)are separately placed in the shell (104); a cursor (3) is located at a middle shaft of the shell (104); the packing (2) and the rubber cylinder (105) are sequentially sleeved with the cursor (3); theend of the shield (106) is fixedly connected with the end of the rubber cylinder (105); a pressure chamber E is defined by the inner wall of the shell (104) and the outer wall of the rubber cylinder (105). The packing wear condition monitoring device can be used to prolong the service life of the packing, provide on-site information and remote information of the working wear condition of the packing, perform real-time control on the sudden increase of pressure underground, reduce the working intensity of oil producing workers and lower the production risk.

The invention provides a thrust wheel shaft, a thrust wheel and an operation machine. The thrust wheel shaft comprises an oil inlet, a first oil outlet, a second oil outlet and a lubricating oil channel. The oil inlet is formed near the middle part of the thrust wheel shaft and is used for communicating with a first oil storage cavity on a wheel body of the thrust wheel; the first oil outlet is formed in the first end close to the thrust wheel shaft and used for extending to a first floating oil seal on the thrust wheel. The second oil outlet is formed in the second end close to the thrust wheel shaft and is used for extending to a second floating oil seal on the thrust wheel; the lubricating oil channel is arranged in the supporting wheel shaft and extends from the first end of the supporting wheel shaft to the second end of the supporting wheel shaft, and the lubricating oil channel is communicated with the oil inlet, the first oil outlet and the second oil outlet. The lubricating environment of the floating oil seal of the thrust wheel is improved, the situation that the floating oil seal and a lining of the thrust wheel are excessively abraded due to the fact that the lubricating oil amount is reduced is prevented, and the service life of the thrust wheel is guaranteed.

The invention provides a main bearing grease replacement method for a fan driving chain. The method comprises the following steps that old grease in a cavity on the side, close to a gear box, of a bearing seat is cleaned up at first, new grease is poured into the cavity on the side of the gear box, then new grease is poured into the cavity of the bearing seat in a turning state, and the new grease and the old grease in the cavity on the side, far away from the gear box, of the bearing seat are mixed; and meanwhile, most of the new and old mixed grease in the cavity on the side far away from the gear box is washed away through the poured-in new grease, then the new grease is injected again in the turning state, the new grease and the old grease can be evenly mixed and then discharged, then the new grease is injected multiple times, evenly mixed and then discharged, finally, the discharged grease does not change color, and cleaning of the old grease is completed. The discharged old grease needs to be weighed in the whole process, so that it is guaranteed that the total grease injection amount and the total grease discharging amount are almost the same. The grease of a main bearing can be replaced through grease injection and grease discharging methods, damage of a bearing oil film can be reduced to the maximum extent, the lubricating environment of the main bearing is improved, and the service life of the main bearing is prolonged.

The invention discloses a shaft end gas sealing device. The shaft end gas sealing device comprises a sealing base fixed on a plastifying device, wherein a transmission shaft is inserted in the sealing base, and is rotationally supported through a bearing base fixed on the plastifying device; step holes for inserting through the transmission shaft are formed in the sealing base, and consist of a small hole, a middle hole and a large hole arranged from inside to outside in sequence; two annular grooves are formed in the inner wall of the small hole; a skeleton oil seal component consisting of at least one skeleton oil seal is arranged between the large hole and the transmission shaft; and an annular space between the middle hole and the transmission shaft is communicated with the external through an air inlet way and an air outlet way arranged in the sealing base. The two annular grooves formed in the inner wall of the small hole have an effect of dust accumulation; along with the increment of the dust accumulation, larger dust particles in the plastifying device can be stopped from entering the middle hole from the small hole; and the dust entering the middle hole can be brought outside the sealing base for separate treatment through gas sealing, so that the problem of environment pollution caused by the dust leakage of the plastifying device is effectively solved.

The invention discloses a self-adjusting bevel gear test box with an adjustable offset distance, and belongs to the technical field of mechanical design. The self-adjusting bevel gear test box comprises a box body; two mutually vertical wheel shafts are horizontally arranged in the box body; a bevel pinion is arranged on a pinion shaft; a shaft sleeve is arranged on a bull gear shaft; a rotatablebevel gear wheel is arranged on the shaft sleeve; fixing nuts are arranged at two ends of the shaft sleeve; a compression spring is arranged between the fixing nuts and the shaft sleeve; the pinion shaft is rotatably arranged in an eccentric shaft seat; the eccentric shaft seat is connected with an adjusting disc; a bull gear is arranged on the eccentric shaft seat; a worm and worm wheel mechanismis arranged in the box body and comprises a worm and a worm wheel arranged on the bull gear shaft; the pinion on the worm is meshed with the bull gear; and the worm wheel is connected with the fixingnuts through a spline sleeve mechanism. Various dynamic performance tests and analysis can be carried out on bevel gears with different offset distances and installation distances through one gear box, and the positions of the bevel gears can be changed automatically and adaptively according to adjustment of the offset distances in the test process.

The invention relates to an external circulating lubricating and cooling system for a coal mining machine and a coal mining machine cutting device. The external circulating lubricating and cooling system comprises a plate cooler, a cycloid lubricating pump and an oil suction filter, and the oil suction filter is installed at the inlet end of an oil suction pipe of the cycloid lubricating pump and located at the bottom of an oil pool of the cutting device; an outlet end of an oil return pipe of the cycloid lubricating pump is connected with an oil duct inlet of the plate cooler, an oil duct outlet of the plate cooler is connected with the oil pool of the cutting device, and an inlet and an outlet of a water channel of the plate cooler are correspondingly connected with an outlet and an inlet of a cooling water jacket of a box body of the cutting device; and the cutting device comprises the lubricating and cooling system, the plate cooler is fixed to the outer side face of the coal wall side in the middle of the box body of the cutting device, the cycloid lubricating pump is installed on the box body of the cutting device, and a main shaft of the cycloid lubricating pump is coaxially connected with a third gear shaft set in the box body. The problems that a high-power-density cutting device is high in operation temperature and a transmission system is poor in lubrication can be solved, and the requirements for efficient lubrication and continuous cooling are met.

The invention provides a scroll compressor and a heat pump system. The scroll compressor comprises a casing (1), a fixed scroll plate (2) and an air suction pipe (3); the air suction pipe (3) is arranged on the casing (1); the fixed scroll plate (2) is provided with an exhaust port (4); the scroll compressor further comprises an air suction reheating assembly; the air suction reheating assembly isin heat exchange contact with the air suction pipe (3); an air inlet of the air suction reheating assembly communicates with the exhaust port (4); an air outlet of the air suction reheating assemblycommunicates with an exhaust cavity (5) of the casing (1); and at least part of a refrigerant discharged from the exhaust port (4) flows through the air suction reheating assembly and flows to the exhaust cavity (5) after being subjected to heat exchange with a refrigerant flowing through the air suction pipe (3). According to the scroll compressor, the phenomenon that liquid is carried due to airsuction can be effectively avoided, and the operation reliability of the scroll compressor is improved.

The invention discloses an automobile differential mechanism and bearing combination structure. The combination structure is characterized in that a thrust bearing is clamped between a differential case and the top ends of planetary gears, and the thrust bearing and the planetary gears are arranged on a same shaft together in a sleeving mode. Contact surfaces of the thrust bearing and the differential case are spherical surfaces corresponding to each other, and the contact surface on the thrust bearing is a static surface. The combination structure has the beneficial effects that roller pin bearings rotate along with rolling of the planetary gears, grinding scrap iron is reduced, the internal lubrication environment is improved, the faults of the automobile differential mechanism are reduced, and the overall service life of the differential mechanism is prolonged.

The invention relates to the technical field of metal wire production, in particular to a wire-separated wire drawing combination die, which includes a die body and a die cover. The die cover includes a lubricating powder cavity and a front core cavity without taper. The core cavity and the lubricating powder cavity pass through the center of the mold cover; the mold body includes a tapered rear core cavity and a non-tapered matching cavity, and the rear core cavity and the matching cavity pass through the center of the mold body; the front mold A cylindrical pressure mold core and a tapered finished mold core are installed in the core cavity and the rear core cavity respectively; the inlet end of the pressure mold core is provided with a groove with powder, and the wire separation type wire drawing combination of the present invention The mold adopts the double-core separation design, which has good sealing performance, stable working environment of the mold, and a good lubricating environment. The quality of the finished wire rod is significantly improved. In addition, there are heat dissipation grooves on the periphery of the rear core cavity on the mold body to avoid mold bursting.

The invention discloses a periodic gear wheel spraying lubrication device and method with adaptability to displacement. The periodic gear wheel spraying lubrication device comprises an air compressor air supply system, a fixed lubrication pump station, an increment type two-line distributor, lubricating oil nozzles and a pinion bracket mechanism, wherein the air compressor air supply system is connected to the fixed lubrication pump station through a first pipeline and then divided into two return pipelines; the first return pipeline is connected onto a pneumatic triplet, compressed air enters a pneumatic pump to enable the pneumatic pump to work after the compressed air is processed by the pneumatic triplet, and lubricating oil is output from an oil outlet of the pneumatic pump, reaches a hydraulic directional control valve after passing through a filter and is then connected to the lubricating oil nozzles through the increment type two-line distributor; the second return pipeline enters a third pipeline through the pneumatic pump and is then connected onto the lubricating oil nozzles through the increment type two-line distributor. According to the periodic gear wheel spraying lubrication device and method with adaptability to displacement, the problems of failure of tooth profile surface, reduction of transmission efficiency, reduction of driving performance and the like of gear driving due to oil shortage are solved.

The invention belongs to the technical field of fans, and particularly relates to a lubricating oil circulating system for a heavy-load bearing of a wind generating set. Comprising a spindle, a main bearing, a circulation triggering device, a piston rod and a grease circulation device. A main bearing is arranged on the main shaft, and an oil injection hole and an oil discharge hole are formed in the main bearing; an oil injection pipe of the grease circulating device is connected with the oil injection hole, and an oil suction pipe of the grease circulating device is connected with the oil discharge hole; a circulating trigger device is arranged on the periphery of the main shaft; the grease circulating device is connected with one end of the piston rod; a bull eye wheel is arranged at the other end of the piston rod and is used for being in contact triggering with a circulating triggering device; the piston rod is driven to reciprocate through rotation of the main shaft and contact of the piston rod and the circulation triggering device, the grease circulation device sucks lubricating oil flowing out of the main bearing, and the lubricating oil flows back to a main bearing oil injection hole after being filtered to supplement lubrication. Main shaft displacement sensors are arranged on the upper side and the lower side of the main shaft. Circulating flow lubrication of the bearing can be achieved, and the service life of the main bearing is prolonged.

The invention relates to the technical field of mechanical equipment design, and discloses a gear type rotating driving device. The gear type rotating driving device comprises an outer shell body, a lower fixing plate is fixedly arranged at the bottom of the outer shell body, moreover, a main motor is fixedly arranged on the lower fixing plate, and a protective cover which sleeves the outer side of the main motor is fixedly arranged at the bottom of the outer shell body through bolts. According to the gear type rotating driving device, switchable dual-power-source drive is adopted, the main motor is used for providing conventional rapid rotating drive, an auxiliary motor finely adjusts a pressure-bearing seat through cooperation between a worm and an outer gear ring and provides a self-locking function, two stages of planetary gear reducers are further designed inside the gear type rotating driving device, so that a reducer is not required to be externally connected, the utilization rate of the internal space is increased, the integration level is higher, moreover, the interior is provided with a better lubricating environment, the running abrasion is effectively reduced, moreover,the structure is easy to detach, and the maintenance is convenient.

The invention provides a bearing and a cage thereof. The cage of the bearing comprises support rings which are coaxial and arranged face to face, wherein an annular groove opening to the other supportring is formed coaxially in each support ring; each support ring comprises a bottom for forming the bottom wall of the corresponding annular groove as well as side parts located on two sides in the radial direction of the bottom to form side walls of the corresponding annular groove, and a plurality of pockets are distributed in the circumferential direction of the side parts, so that a ball canbe arranged axially in a pocket manner; the pockets in the side parts of the two sides in the radial direction of each bottom are in one-to-one correspondence for pocket arrangement of one ball. The lubrication environment between the cage and the ball can be improved effectively.

The invention discloses an active vibration isolation shafting assembly with long life and high precision for space. The active vibration isolation shafting assembly comprises an upper bearing, a lower bearing, a labyrinth seal gland, a supporting shaft, a bearing seat and an outer sleeve, wherein the upper bearing and the lower bearing are a pair of angular contact ball bearings and are arrangedon the supporting shaft in a sleeving manner in a back-to-back mounting manner; the bearing seat is arranged outside the upper bearing and the lower bearing in a sleeving manner; a spiral channel is formed in the surface of the bearing seat; the labyrinth seal gland is arranged on the outer end surface of the bearing seat and is used for axially positioning the upper bearing and the lower bearing;the outer sleeve is arranged outside the bearing seat, and a closed cavity is formed between the outer sleeve and the spiral channel of the bearing seat; and the cavity is filled with an electrorheological fluid damping material. The service life of the bearings is greatly prolonged, active vibration isolation is achieved, and the rotating precision and the control precision of the shafting assembly are improved.