10results about How to "Improve lubrication" patented technology

The utility model discloses a preheating system for low-temperature starting of a diesel automobile. The preheating system comprises a sensing module, a preheating module and a control module, wherein the sensing modules are fixedly arranged inside and / or outside a diesel automobile body respectively; the preheating modules are respectively and fixedly arranged near and / or inside a diesel automobile cooling system, an intake manifold and a gearbox; the control module is fixedly arranged in a vehicle-mounted electronic system of the diesel automobile; the control module is used for receiving input signals such as temperature and pressure obtained by the sensing module, automatically controlling the preheating module to preheat intake air, an engine cylinder body and a gearbox of the diesel automobile, and automatically adjusting the preheating time and strength, so that the low-temperature starting performance is effectively improved, and meanwhile, the low-temperature starting performance of the diesel automobile is improved. Waste of fuel oil and electric quantity of a storage battery caused by excessive preheating is avoided, in addition, it is ensured that lubricating oil reaches proper viscosity before starting, mechanical abrasion at the moment of starting is reduced, and safe and rapid starting is achieved.

The present invention discloses a front bearing oil collecting and lubricating mechanism of a twin-screw pump, which relates to the technical field of screw pumps, and comprises a twin-screw pump body, wherein a bearing groove is provided inside the twin-screw pump body, wherein two through holes are provided at the upper end of the twin-screw pump body, wherein both through holes are connected to the bearing groove, wherein two groups of oil discharge mechanisms are provided at the upper end of the twin-screw pump body, wherein a filtering mechanism is provided between the two groups of oil discharge mechanisms, and wherein a refueling mechanism is provided at the upper end of the two groups of oil discharge mechanisms. The present invention refuels the inside of the twin-screw pump body through an oil storage tank and a refueling pipe by using two metal boxes fixedly installed at the upper end of the twin-screw pump body, as well as a cylindrical block and a first spring, a first fixing rod and a cross inside the metal boxes, so that the device can be in a sealed space when refueling, thereby preventing impurities from mixing into the lubricating oil during refueling and flowing into the inside of the twin-screw pump body to cause damage to the bearings and gears inside the twin-screw pump body.

This invention discloses a grooving device for aluminum profile processing, comprising a frame and a grooving unit. The frame has four supporting feet at its bottom corners and a fixing unit at the center of its top. The grooving unit includes a first linear motor, a connecting rod, a mounting frame, a grooving cutter wheel, a main motor, an electric telescopic rod, and a second linear motor. There are two second linear motors, each located on the front side of the top of the frame. Each of the two second linear motor movers has an electric telescopic rod at its top, with the tops of the two telescopic rods connected to the stators at both ends of the first linear motor. A connecting rod is located at the bottom of the first linear motor mover, and a mounting frame is located on the front side of the bottom of the connecting rod. The grooving cutter wheel is rotatably connected inside the mounting frame. The main motor is located on the front side of the mounting frame. This grooving device for aluminum profile processing is simple to operate, firmly fixed, highly safe, and produces good grooving results.

The invention discloses a micro-motor deep groove ball bearing with high axial bearing capacity, which is composed of an inner ring, an outer ring, a rolling body, a retaining ring and a cage; the outer surface of the inner ring and the inner surface of the outer ring are both provided with a raceway for rolling of the rolling body; the rolling body is arranged between the inner ring and the outer ring, the retaining ring is arranged in pairs and is located on both sides of the rolling body, and the two retaining rings are also located between the inner ring and the outer ring; the retaining ring is located outside the retaining ring and is also located between the inner ring and the outer ring; the nominal inner diameter of the bearing is 6-8mm, and the radial clearance is 26-29μm; the inner ring groove curvature radius coefficient is 0.508-0.513; the outer ring groove curvature radius coefficient is 0.528-0.523. The invention also discloses its preparation process: the inner ring is placed in the outer ring, the rolling body is placed between the inner ring and the outer ring and the rolling body is placed on the raceway; the retaining frame is pressed toward the rolling body from both inside and outside, and then the relatively arranged retaining frames are riveted and pressed by a riveting press. The invention increases radial play, reduces groove curvature radius coefficient, and improves the axial bearing capacity of the micromotor deep groove ball bearing.

The invention provides a high-compactness spark ignition type two-stroke diesel engine crankcase inner bearing lubrication system which comprises a crankshaft, the crankshaft is composed of a rear crank, a front crank and a crank pin and is installed on a crankcase composed of an upper crankcase and a lower crankcase through a main bearing, and sealing between the interior of the crankcase and the outside is completed through an oil seal. A flow guide oil duct is arranged on the rear crank and used for conveying lubricating oil at the bottom of the crankcase to the position near the bearing, and lubrication of the bearing is completed. The bearing lubrication system in the crankcase of the highly compact spark ignition type two-stroke diesel engine is simple in structure and good in manufacturability, the lubrication condition of the main bearing is improved on the premise that the requirements for light weight and compactness of the whole diesel engine are met, the operation reliability of the whole diesel engine is improved, the service life of the whole diesel engine is prolonged, and guarantee is provided for further power improvement.

The utility model belongs to the technical field of drilling machine equipment, and particularly relates to a multi-gear variable-gear drilling machine power head which comprises a power box, a longitudinally-extending main shaft is arranged on the power box, a power input gear is installed on the main shaft in the power box, gears of multiple gears are meshed with the power input gear when the gears of the multiple gears correspond to the gears, and the gears of the multiple gears are meshed with the power input gear when the gears of the multiple gears correspond to the gears. The rotating speed and the torque output to the main shaft are adjusted through the gears of multiple gears, the torque is controllable, the application of the drilling machine power head is increased, the drilling machine power head is suitable for operation under the complex address condition, in addition, the lubricating oil pump is arranged, all bearings in the power box can be lubricated, the power input gear can be lubricated, and the service life of the drilling machine power head is prolonged. The service life of the bearing and the power input gear is prolonged, the lubricating mode is convenient, and manual lubrication is not needed.

The application relates to the technical field of machining tool seats, and discloses a BMT center water-out power tool seat, which comprises a device main body, a flushing unit is fixedly arranged in the device main body, an emergency baffle unit is fixedly arranged on the outer side of the device main body, a cleaning unit is rotatably arranged at the top end of the device main body, a shunt control unit is fixedly arranged at the left end of the outer side of the device main body, the device main body comprises a tool seat main body, a main shaft is fixedly connected to the bottom end of the tool seat main body, a shunt water channel is arranged in the tool seat main body, the shunt water channel is divided into two branches at the shunt control unit, through cooperation of the shunt control unit and the flushing unit, two water-out models of the center water-out power tool seat can be controlled, the problem that the temperature on the outer side of a cutting end and the lubricating effect cannot be effectively improved is solved, and the problem that the efficiency is not high through investment of additional equipment cost and manpower cost is solved.

The utility model relates to the technical field of automobile accessories, and discloses an automobile ball head assembly which comprises a ball seat, a ball head is arranged in the ball seat, the upper portion of the ball head is fixedly connected with a rod portion, two first upper ball bowls are arranged on the upper side of the outer portion of the ball head, and two first lower ball bowls are arranged on the lower side of the outer portion of the ball head. A bottom ball bowl is arranged on the lower portion of the first lower ball bowl, the bottom ball bowl is arranged between the lower portion of the ball head and the inner bottom of the ball seat, second springs are arranged on the two sides of the top of the first upper ball bowl, third springs are arranged on the two sides of the bottom of the first lower ball bowl, and a first spring is arranged at the bottom of the bottom ball bowl. And the first spring is arranged in the base. According to the utility model, frame loosening caused by abrasion between the ball head and the shell is avoided, the lubricating property is good, the abrasion is less, the abrasion clearance can be compensated, the loosening abnormal sound is avoided, and the service life is long.

The invention belongs to the technical field of steel rolling production equipment, relates to rolling mill base locking equipment, and aims to solve the problem of serious abrasion between a traditional rolling mill base and a bottom plate. The rolling mill base locking equipment comprises two base supports which are symmetrically arranged, and a supporting wheel component and a guide wheel component which are mounted on the inner sides of the two base supports; the supporting wheels are used for supporting the rolling mill bottom plate, the pressing plate and the supporting wheels are matched to form a rolling sliding groove to lock the bottom plate, and sliding friction is reduced. The guide wheel component is in rolling contact with the side face of the rolling mill bottom plate through a guide wheel, and guiding and limiting of the rolling mill bottom plate are guaranteed. Through the innovative design of roller supporting and guide wheel guiding, the problem that the contact surface of the rolling mill bottom plate and the rolling mill base is seriously abraded is solved, the purposes of improving the mounting precision and facilitating replacement are achieved, and the rolling mill bottom plate is suitable for various types of rolling mills.