39results about How to "To achieve the purpose of lubrication" patented technology

The invention discloses a conveying chain. The conveying chain comprises a first inner chain plate, a second inner chain plate, outer chain plates, a pin shaft, a roller and a sleeve. The first inner chain plate and the second inner chain plate are arranged at the two ends of the roller. One outer chain plate is arranged at each of the outer ends of the first inner chain plate and the second inner chain plate respectively. The roller, the first inner chain plate, the second inner chain plate and the two outer chain plates are connected together by the pin shaft. The sleeve is arranged between the pin shaft and the first inner chain plate, and between the second inner chain plate and the roller. The second inner chain plate is thicker than the first inner chain plate. Communicated oil storing slots are arranged between the two holes of the second inner chain plate. A cover plate is fixed on the second inner chain plate by a fixing pin. An oil filling slot is arranged on one surface of the cover plate. One end of the sleeve, close to the second inner chain plate, is provided with a notch. A slot forming an included angle with the axial direction of the sleeve is arranged at the position on the sleeve, corresponding to the notch. A large chamfering is arranged at one end of the second inner chain plate, where the inner diameter of the roller closes to. According to the conveying chain disclosed by the invention, long-time lubrication is realized after oil filling in one time, and the sleeve, the roller and the pin shaft are ensured to be fully lubricated.

The invention discloses a monorail crane speed reducer lubricated through positive and negative rotation, which belongs to the technical field of lubrication of speed reducers. The invention provides a monorail crane speed reducer lubricated through positive and negative rotation, which is simple in structure and has a good lubricating effect. According to the adopted technical scheme, the bottom of a low-speed output shaft is sleeved on the upper part of a first gear shaft, and a bidirectional vane wheel is arranged between the low-speed output shaft and the first gear shaft; an upper end bearing is arranged between the low-speed output shaft and a shaft outlet cover; an oil path pipe is arranged inside the shaft body of the low-speed output shaft, and leads towards the upper side of the upper end bearing from a lower cabin of a box body; and the structure of the bidirectional vane wheel is as follows: the center of a vane wheel body is provided with a central through hole; a plurality of vane holes are uniformly formed around the central through hole; and a vane is arranged at the bottom of each vane hole through a vane shaft. According to the monorail crane speed reducer, during multi-stage gear transmission, lubricating oil enters the oil path pipe from the insides of the vane holes of the bidirectional vane wheel, and flows towards the upper side of the upper end bearing to lubricate the upper end bearing and a bearing below the upper end bearing.

The invention discloses a chamfering device of a hardware die, and belongs to the technical field of hardware dies. The chamfering device comprises a shell, a bearing plate, a limiting component, a chamfering component, a waste recycling component, a lubricating component and four supporting legs, wherein the shell is of a cavity structure, the four supporting legs are distributed at the bottom end of the shell in a rectangular mode, the two ends of the bearing plate are in threaded connection with the side wall of the shell correspondingly, four supporting columns are distributed on the bearing plate in a rectangular manner, the top ends of the four supporting columns are fixedly connected with the top end of the shell, the limiting component is arranged on the bearing plate, the chamfering component is arranged in the shell, and the waste recycling component and the lubricating component are both arranged at the top end of the shell. According to the chamfering device, the chamfer angle can not be adjusted according to actual conditions, the chamfering efficiency is influenced, so that the abrasion of a cutter head is relatively high, and the service life of the cutter head is reduced.

The invention discloses a cylindrical grinder easy to assemble and maintain and belongs to the technical field of machine tools. The cylindrical grinder comprises a sleeve, a shell, a cover plate, a grinding wheel and a sliding bearing, the shell is arranged inside the sleeve, two ends of the shell are sealed through the cover plate, the sliding bearing transversely penetrates the shell, and one end of the sliding bearing is connected with the grinding wheel; a ceramic coating is arranged on the sliding bearing and at the contact position of a spindle and a bearing bush, a return oil pipeline is arranged inside the shell and is communicated with a lubricating oil tank on the outer portion of the sleeve, and lubricating oil is circulated in the return oil pipeline in zero-pressure circulation. The ceramic coating is sprayed at the friction position of the spindle and the bearing bush, so that problems about thermal expansion deformation and abrasion of the metal spindle are solved by the aid of outstanding performance of ceramic; meanwhile, according to self structural features of the cylindrical grinder, a brand new oil leakage prevention pipeline is designed for the cylindrical grinder, zero-pressure circulation lubrication of the lubricating oil in an oil cavity is realized, long-term operation is achieved without disassembling the grinder for maintenance, and maintenance cost is greatly lowered.

The invention discloses a self-lubricating felt of a gear-rack jacking system and belongs to the field of gear-rack jacking systems. The self-lubricating felt comprises: an electric lubrication pump, a distributor and a plurality of self-lubricating assemblies; an oil outlet of the electric lubrication pump communicates with an oil inlet of the distributor; a plurality of oil outlets of the distributor communicate with the plurality of self-lubricating assemblies, respectively; each self-lubricating assembly comprises: an oil inlet connector, a first oil inlet pipe, a three-way pipe, a second oil inlet pipe, a third oil inlet pipe, a first oil leading pipe, a fixed plate and a felt brush, and one end of the oil inlet connector communicates with one oil outlet of the distributor, while the other end of the oil inlet connector is connected with a first end of the first oil inlet pipe. The self-lubricating felt is capable of achieving the purpose of lubrication instead of artificial application, and therefore, high safety and high lubrication efficiency in a lubrication process are realized; further, the self-lubricating felt is simple in structure, easy to manufacture and relatively low in cost; as a result, lubrication costs are reduced.

The purpose of this invention is to facilitate respective works for assembling, maintaining and inspecting regarding constituent parts of a vehicle. A front wheel 5 which is supported by the front section of the vehicle body 2, a driving unit 24 the front section side of which is pivoted by a pivot 8 extending in the width direction of the vehicle body 2 so that the rear section side may be rockable in the vertical direction, and a rear wheel 10 which is supported by the rear section of the driving unit 24 are provided. The driving unit 24 is equipped with an internal combustion engine 28 for running-driving, a radiator 46 which cools a cooling water 44 for cooling the internal combustion engine 28, and a cooling water tube 76 which communicates the radiator 46 and a water jacket 47 which is formed on the internal combustion engine 28 with each other. When the vehicle body 2 is seen from the side surface, the pivot 8 is arranged above the middle section in the longitudinal direction of the radiator 46, and the whole of the cooling water tubes 74 and 76 are arranged on the front side of the pivot 8.

An automatic lubricating and cooling type gear shaping machine spindle structure, which includes a main shaft, a main shaft sleeve is arranged outside the main shaft, the main shaft sleeve is embedded in the body of the tool holder, and an oil inlet and an oil outlet are respectively arranged on the upper end of the main shaft sleeve. A spiral oil groove is provided, and the outer circle of the main shaft sleeve is provided with multiple annular cooling grooves, and the lower end of the annular cooling groove communicates with the spiral oil groove. In the present invention, two spiral oil grooves are processed in the main shaft sleeve, and oil is brought into the friction zone by the reciprocating motion of the main shaft to form a lubricating oil film to achieve the purpose of lubrication and prevent the main shaft from being damaged; the outer circle of the main shaft sleeve is covered with annular cooling grooves, cooling The lower end of the groove communicates with the lubricating oil groove, and there is only one opening between the annular cooling grooves, and the openings between adjacent cooling grooves are symmetrically distributed. The heat is taken away to ensure the sufficient cooling of the main shaft sleeve, so that the thermal deformation of the main shaft sleeve is very small and prevent the main shaft from grinding to death.

The invention provides a multifunctional threaded pipeline which comprises a first pipe body with an external screw thread, and a second pipe body with an internal screw thread. The second pipe body and the first pipe body are connected in a screwing way through the internal screw thread and the external screw thread; a main glue injection channel is built in the threaded pipe wall of the first pipe body; a branch glue injection pipeline is arranged on the threaded pipe wall of the first pipe body; and one end of the main glue injection channel communicates with the outside. The multifunctional threaded pipeline has the beneficial effects that (1) the device can be sealed by adopting a high-pressure sealant filling manner regularly without the need for disassembling the pipeline; and (2) when the connected pipeline does not need to be sealed, lubricating oil is injected into the main glue injection channel, so that two rusted pipelines can be disassembled and separated.

The invention discloses a cylindrical grinder easy to assemble and maintain and belongs to the technical field of machine tools. The cylindrical grinder comprises a sleeve, a shell, a cover plate, a grinding wheel and a sliding bearing, the shell is arranged inside the sleeve, two ends of the shell are sealed through the cover plate, the sliding bearing transversely penetrates the shell, and one end of the sliding bearing is connected with the grinding wheel; a ceramic coating is arranged on the sliding bearing and at the contact position of a spindle and a bearing bush, a return oil pipeline is arranged inside the shell and is communicated with a lubricating oil tank on the outer portion of the sleeve, and lubricating oil is circulated in the return oil pipeline in zero-pressure circulation. The ceramic coating is sprayed at the friction position of the spindle and the bearing bush, so that problems about thermal expansion deformation and abrasion of the metal spindle are solved by the aid of outstanding performance of ceramic; meanwhile, according to self structural features of the cylindrical grinder, a brand new oil leakage prevention pipeline is designed for the cylindrical grinder, zero-pressure circulation lubrication of the lubricating oil in an oil cavity is realized, long-term operation is achieved without disassembling the grinder for maintenance, and maintenance cost is greatly lowered.

The invention relates to a quick polishing device, which is used for grinding cylinders and comprises a main rod, grinding branches and grinding heads. The grinding branches are obliquely formed on the main rod in an axially staggered manner, and the grinding heads are disposed at ends of the grinding branches and are grinding head bodies capable of rotating along the grinding branches. The grinding branches are structurally designed into staggered oblique forms, accordingly, staggered oil storage pits are formed in an inner cavity of a cylinder liner conveniently, and the purpose of lubricating when a piston moves left and right is achieved. In addition, rotating sleeves are disposed on the grinding heads, accordingly, grinding grooves formed when the grinding heads are used for grinding are crescent, and the service lives of the grinding heads are prolonged. Furthermore, as the grooves are disposed on the grinding heads, the grinding heads are sharp when used for grinding. Besides, due to the reasonable structure and the crescent oil storage pits which are formed on the surface of the cylinder liner after the cylinder liner is ground, the quality of the cylinder liner is remarkably improved, and service performances of the cylinder liner are enhanced.

The invention provides a bearing for a fluid pump. When the fluid pump works, a positive pressure region (28) for pumping fluid and a negative pressure region (27) for allowing the fluid to flow intoare formed in the fluid pump, a fluid supply groove (253) extending in the axial direction and a fluid backflow groove (254) are formed in the hole wall of a shaft hole (26) of the bearing (25) correspondingly, wherein the fluid supply groove (253) communicates with the positive pressure region (28), the fluid backflow groove (254) communicates with the negative pressure region (27), and the fluidsupply groove (253) is in a blind groove shape. According to the bearing, the holding force of an oil seal can be reduced, or the oil seal can be directly omitted, so that the manufacturing cost of an oil pump is reduced.

The invention relates to the technical field of transmission equipment, and discloses a high-precision worm gear and worm transmission mechanism which comprises a worm gear pushing and guiding connecting structure and a worm connecting and driving structure, and the worm connecting and driving structure is connected to the front end of the center of the worm gear pushing and guiding connecting structure in an engaged mode. The worm wheel pushing and guiding connecting structure comprises a pushing and guiding transferring part and a first supporting rack, the pushing and guiding transferring part is arranged at the center position of the worm wheel pushing and guiding connecting structure, and the rear end of the pushing and guiding transferring part is connected with the first supporting rack in a sleeved mode. The bottom end of the first supporting rack is fixedly connected with a bottom supporting plate, and the center position of the bottom supporting plate is fixedly connected with the second supporting rack. Through the arrangement of the worm gear pushing and guiding connecting structure and the worm connecting and driving structure, high-precision worm gear and worm transmission work is achieved, and the purpose of better driving treatment is achieved.

The invention relates to a low-friction lubricating gear. The low-friction lubricating gear comprises a gear column and a gear body connected with the gear column; the gear body comprises a gear disc, a shaft hole and outer teeth; the shaft hole is located in the middle of the gear disc; the outer teeth are located on the periphery of the gear disc; an oil storage cavity is formed in the gear disc; one end of the oil storage cavity communicates with an oil injection hole in the gear column through an oil passage I; the other end of the oil storage cavity communicates with an oil outlet in a tooth groove of the outer tooth through an oil passage II; and a temperature variable-diameter check valve is arranged in the oil passage II. According to the low-friction lubricating gear, through the oil storage cavity in the gear disc and the temperature variable-diameter check valve in the oil passage, when the temperature of a gear is too high, oil in the oil storage cavity enters the oil outlet in the tooth groove of the outer tooth through the check valve, so that the purpose of gear lubrication is achieved; and meanwhile, through copper plating treatment on the surface of the gear body, the roughness of the tooth surface is improved, and the friction force during gear operation is reduced.

The invention discloses a self-locking accessory mechanism, which comprises the following parts: cylinder component, long axis component, movement shaft and spring component, wherein the cylinder component possesses mutual corresponding upper chute and lower chute; the long axis component is cased in the cylinder component, which pierces the expanding flute through-out hole corresponding to lower chute; the movement shaft pierces lower chute, through-out hole and upper chute, which consists of upper expanding part and lower expanding part; the lower expanding part corresponds to expanding flute; the spring component is cased on the movement shaft with top between upper expanding part and cylinder component, which provides elastic stress to move the movement shaft to be fixed in the expanding flute corresponding to lower expanding part.

The invention relates to a micro quantity lubrication system and a method of manufacturing bent pipe with the micro quantity lubrication system. The micro quantity lubrication system comprises a microlubricating oil mist supply device, a shunt valve and a plurality of oil pipe. The micro lubricating oil mist supply device comprises atomizing chamber, an atomizer, an oil supply channel and pressure regulating valve. Gas is injected into the atomizing chamber, and the amount of the gas is adjusted by the pressure regulating valve to adjust the pressure in the atomizing chamber. The lubricatingoil mist sprays to the atomizing chamber through a spray port of the oil mist, and then the lubricating oil mist is output to the shunt valve through an oil mist output port; and the lubricating oil mist after shunting sprays through the oil pipe to the core rod of a pipe bending machine, and then sprays from the oil hole at the end of the core rod to lubricate the bend of the copper pipe. The micro quantity lubrication system is more economical in lubricating oil, and can use less lubricating oil to achieve the purpose of lubrication, so as to avoid waste and reduce cost.

The invention discloses a self-adaptive positioning device for a crane, and relates to the technical field of crane equipment. The crane comprises a crane body, a lifting appliance device is slidably mounted at the top of the crane body, a positioning device is arranged at the bottom of the lifting appliance device and comprises a U-shaped groove frame, the U-shaped groove frame is fixed to the bottom of the lifting appliance device, and arc groove sliding plates are slidably mounted on the left side and the right side of the bottom of the inner wall of the U-shaped groove frame correspondingly; the opposite sides of the arc groove sliding plates on the left side and the right side are elastically connected with the inner wall of the U-shaped groove frame through elastic plates, and protruding columns are fixed to the bottoms of the elastic plates. The arc chute sliding plate is matched with the elastic plate, so that the arc chute sliding plate buffers the steel wire rope of the lifting appliance device through the elastic plate, the problems that the steel wire rope shakes to be separated from the center of the fixing frame and is abraded are solved, and the service life of the steel wire rope of the lifting appliance device is prolonged.