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365 results about "Outer annulus" patented technology
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Efficient cleaning device for feed circular mold
The invention relates to the technical field of feed circular mold cleaning, in particular to a feed circular mold efficient cleaning device which comprises a second cylinder, a light block, a spraying assembly, a driving assembly and a lifting assembly. A cylinder II is fixedly connected in the cylinder I; a plurality of light blocks are connected to the outer ring face of the second cylinder in an annular array mode. The sections of the light blocks are isosceles triangles; the cylinder I is connected with a spraying assembly; clean water is blocked through a second cylinder, so that the clean water can be prevented from carrying impurities to be sprayed into a through hole in the other side of the feed circular mold, the cleaning efficiency is improved, meanwhile, the clean water splashed after making contact with the second cylinder is intercepted through a light block, the clean water is prevented from carrying impurities to be splashed back to the inner side face of the feed circular mold, and the cleaning effect is ensured. And the side, close to the feed circular mold, of the light block is arranged to be a long inclined face, so that when the clear water impacts the long inclined face of the light block, the clear water can flow towards the second cylinder along the long inclined face, the clear water sputtering phenomenon can be reduced, and the cleaning effect is further ensured.
Owner:CHANGZHOU JUMEILA MOULD TECH CO LTD
Fuel Can
A fuel can includes a can body, the can body contains liquid fuel and a wick with its lower end immersed in the liquid fuel, and a top cover is provided at a top of the can body. The top cover includes a ring-pull cap and a sealing cap, the ring-pull cap consists of an outer ring and a tear-off piece, the outer ring is connected to an upper opening of the can body in a sealing manner, and the sealing cap is buckled at a top end of the outer ring; a tray is provided at an upper end of the can body, and a periphery of the tray is connected to an inner wall of the can body in a sealing manner, and at least one fixing mouth for fixing the upper end of the wick provided in a middle of the tray.
Owner:TANGSHAN SAIDISI METAL PACKAGING CO LTD
Bump stop for non-pneumatic tire
A non-pneumatic tire includes an annular inner ring, an annular outer ring, and a support structure extending from the annular inner ring to the annular outer ring. The support structure includes a plurality of spokes, webbing, cells, or other open-sided support structure. The tire includes a bump stop. The bump stop includes an inner member radially extending from a radially outer surface of the annular inner ring. The inner member has a radially outer surface facing a radially inner surface of the annular outer ring. The bump stop includes an outer member radially extending from a radially inner surface of the annular outer ring. The outer member has a radially inner surface facing a radially outer surface of the annular inner ring.
Owner:BRIDGESTONE AMERICAS TIRE OPERATIONS LLC
Annular combined protection tool and using method
The invention relates to an annular combined protection tool and a using method, the annular combined protection tool comprises an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are provided with via holes corresponding to bearing pedestal flange connecting holes, and the upper cover plate and the lower cover plate are connected through screws or studs; the lower cover plate adopts an inner and outer ring nesting structure and comprises an outer ring cover plate and an inner ring cover plate, and an adjustable sealing strip is arranged on the inner ring of the inner ring cover plate; the problems of insufficient protection, poor sealing performance and insufficient adaptability in the paint spraying process of the bearing seat are effectively solved; according to the device, the upper cover plate and the lower cover plate are combined with the adjustable sealing strip, so that tight attachment to the surface of the bearing seat is ensured, and paint particles are prevented from invading; the quick locking mechanism realizes quick mounting and dismounting through an eccentric cam and a locking handle, so that the operation efficiency is improved; an inner and outer ring nesting structure is matched with a radial adjusting mechanism, so that the device adapts to bearing seats with different sizes, and the flexibility is high; meanwhile, the buffer cushion layer effectively relieves pressure accumulation and enhances the protection effect.
Owner:CSSC NANJING LUZHOU MACHINE
Planetary gear box planetary attenuation spring damper
This invention relates to planetary damping spring dampers for gearboxes. Specifically, a planetary gear arrangement includes planetary gears rotatable on planetary bearings mounted to a bracket of the planetary gear arrangement via support pins. A damping spring is disposed between the outer surface of the outer ring of the bearing and the opposing inner surface of the planetary gear, and includes an annular gap. A spring diaphragm damper is disposed between the cylindrical outer surface of the support pin and the opposing inner surface of the inner ring of the planetary bearing, and also includes an annular gap. The support pin (96) and / or the outer ring includes an oil supply hole leading to the corresponding annular gap. Gas turbine engines include planetary gear arrangements having such planetary bearings.
Owner:GENERAL ELECTRIC CO
Magnetic suspension axial bearing, stator and iron core thereof, compressor and method
The invention provides a magnetic suspension axial bearing and a stator, an iron core, a compressor and a method thereof, the stator iron core comprises a first sub-block and a second sub-block, the first sub-block is provided with an iron core inner ring, the second sub-block is provided with an iron core outer ring, the iron core inner ring is used for being sleeved and fixed on the outer side of an insulation framework, and the insulation framework is sleeved and fixed on the outer side of the first sub-block. The annular winding groove, deviating from one side of the iron core inner ring, of the insulating framework extends in the circumferential direction of the iron core inner ring; wherein the second sub-block is used for being assembled on the first sub-block, so that the iron core outer ring is arranged on the outer side of the iron core inner ring in a sleeving manner, and an annular groove for accommodating the insulating framework is formed between the iron core outer ring and the iron core inner ring. According to the invention, the winding difficulty can be reduced.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI
Method and device for checking air tightness of long shaft assembly
The invention discloses a method and a device for checking the air tightness of a long shaft assembly. The device comprises an outer ring piece, an inner ring piece, a joint, a valve, a first rubber sealing ring, a bolt, a gasket, a nut, a second rubber sealing ring and a pipeline. On the premise of not blocking a plurality of air holes which influence the air tightness of the junction surface H in the long shaft assembly, the inspection device is adopted to establish an annular closed cavity, and the inner ring surface of the annular closed cavity comprises the junction surface H, an outer ring surface and two axial end surfaces. Wherein two sealing pairs are established at the contact positions of the inspection device, the long shaft assembly and the sealing shell. The method is easy and efficient to operate, air holes in the shell do not need to be blocked and sealed, and the inspection result is accurate.
Owner:CHINA HANGFA GUIZHOU LIYANG AVIATION POWER CO LTD
A method of underbalanced well drilling
A method for tripping out of an underbalanced well, the method comprising: determining the drilling fluid balance density and the annular pressure loss outside the drill pipe; determining the time for oil and gas to surge to the wellhead and the tripping time to the depth of the first injected gas plug, and comparing them to determine whether the conditions for safe operation are met; if the conditions for safe operation are met, determining the density and volume of the first gas plug based on the drilling fluid balance density and the annular pressure loss outside the drill pipe; tripping out of the well based on the density and volume of the first gas plug, completing the tripping out of the first gas plug; determining the density and volume of the gas plug at the depth near the wellhead using a preset method based on the depth after the tripping out of the first gas plug; and completing the tripping out of the gas plug near the wellhead based on the determined density and volume of the gas plug at the depth near the wellhead.
Owner:PETROCHINA CO LTD
Machine tool spindle unit
The present invention provides a spindle device for a machine tool that prevents lubricating oil from adhering to the area around the bearing and prevents the bearing temperature from rising due to the re-inflow of lubricating oil. [Solution] An air supply passage 34 is provided radially through the outer ring collar 31, which has a notch 33 that forms part of the oil drain passage 29. An air introduction passage 35 is provided in the fixed housing 2 to supply air to the air supply passage 34 of the outer ring collar 31. The inner ring collar 32 consists of a first ring portion 41 that faces the inner surface of the outer ring collar 31 from the radially inward side with a required gap between them, and a second ring portion 42 positioned between the first ring portion 41 and the inner ring 4b. The outer diameter of the second ring portion 42 is larger than the inner diameter of the outer ring collar 31, so that a gap G is formed between the outer ring collar 31 and the second ring portion 42, which serves as a guide passage 36 that guides the air blown out from the air supply passage 34 of the outer ring collar 31 to the oil drain passage 29.
Owner:OKUMA CORP
Low-friction rubber sealing ring capable of eliminating shaking abnormal sound of oil cylinder
The utility model relates to the technical field of rubber sealing rings, and discloses a low-friction rubber sealing ring capable of eliminating shaking abnormal sound of an oil cylinder, which comprises a rubber ring body, an outer ring is fixedly connected to the outer wall of the rubber ring body, an inner ring is fixedly connected to the side wall of the rubber ring body, and a plurality of slightly convex sealing sliding sections are arranged in the rubber ring body. The micro-convex sealing sliding sections are arranged in the rubber ring body in an annular array mode, an outer sealing lip is formed in the outer ring, and an inner sealing lip is formed in the inner ring. In the utility model, the outer sealing lip and the inner sealing lip have a buffering function while sealing, impact force and vibration generated by the movement of the piston can be absorbed by the elastic deformation of the lips, for example, when the piston is quickly started, the elastic deformation of the lips converts the impact force and reduces shaking, and as the lips are tightly attached to the wall of the oil cylinder and the piston, the vibration can be isolated and the sealing performance can be maintained; and the problem of shaking abnormal sound of the oil cylinder is effectively eliminated.
Owner:HEBEI LONGLI SEALING TECH CO LTD
High-precision locking washer with inner sawteeth and outer sawteeth
The utility model relates to the field of sawtooth locking washers, in particular to a high-precision inner and outer sawtooth locking washer, which comprises a plurality of outer sawteeth, a lower ring, a plurality of inner sawteeth and an upper ring, the plurality of outer sawteeth are fixedly arranged on the outer circumferential surface of the lower ring, the plurality of inner sawteeth are fixedly arranged on the inner ring surface of the upper ring, and a clamping block is arranged on the inner ring surface of the lower ring. A notch is formed in the outer ring face of the upper ring, the width of the notch is not smaller than that of the clamping block, a clamping groove is formed in one side wall of the notch, the thickness of the clamping groove is consistent with that of the clamping block, the clamping groove is in the shape of an unclosed annular section with the central axis of the upper ring as the axis, the clamping block is connected with the clamping groove in a clamped mode, and the thickness of the upper ring is consistent with that of the lower ring. When the gasket is replaced and the mounting bolt is unscrewed, the upper ring and the lower ring cannot rotate synchronously, so that the outer sawteeth or the inner sawteeth can recover from a deformation state, the force applied to a mounting plane by the outer sawteeth and the inner sawteeth is reduced, and the scratch of the mounting plane is reduced.
Owner:JIASHAN YONGXIN FASTENER
Electric compaction apparatus
Owner:HEILONGJIANG TRANSPORT INVESTMENT GRP CO LTD +1
Integrated composite sewage intercepting well
The utility model provides an integrated composite sewage intercepting well, which belongs to the technical field of drainage inspection wells, the inspection well comprises an outer ring well and an inner ring well, the outer ring well surrounds the outer side of the inner ring well, the inner ring well is formed by an inner ring well wall, and the outer ring well is formed by an outer ring well wall and an inner ring well wall; a water passing hole communicated with the outer ring well and the inner ring well is formed in the well wall of the inner ring well, a float valve is arranged on the side, facing the outer ring well, of the water passing hole, a duckbill valve is arranged on the side, facing the inner ring well, of the water passing hole, the inner ring well is provided with an inner ring well water inlet pipe and an inner ring well water outlet pipe, and the outer ring well is provided with a confluence water inlet pipe, an overflow water outlet pipe and a water retaining weir. The water retaining weir is located between the water passing hole and the confluence water inlet pipe. The multifunctional inspection well is divided into two parts, the outer ring well is divided into the water inlet area, the overflow area and the energy dissipation area, the inner ring well is divided into the connection area, the closure area and the water outlet area, the multifunctional inspection well can effectively prevent water immersion, land occupation is saved, and investment is reduced.
Owner:BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST
An adjustable and replaceable device for reducing vibration of rotating equipment in marine environments.
ActiveCN224453160UReduce vibration amplitudeImprove long-term safe and stable operation capabilitiesVibration amplitudeClassical mechanics
This utility model discloses an adjustable and replaceable device for reducing vibration of rotating equipment in marine environments, comprising: an outer pipe, a main shaft, and a bearing bracket. The outer pipe is coaxially arranged with the main shaft, and the bearing bracket is sleeved on the outside of the main shaft. An annular groove is provided on the inner wall of the outer pipe at a position corresponding to that of the bearing bracket. A positioning ring is detachably installed in the annular groove. An outer ring is provided on the outer edge of the bearing bracket, and the outer ring cooperates with the positioning ring. The positioning ring reduces the fitting gap, improves the overall stability of the bearing bracket and the outer pipe, and thus enhances the stability of the bearing and pump unit. It can reduce the vibration amplitude of the rotating equipment and improve the long-term safe and stable operation capability of the rotating equipment in marine environments. The addition of the 316L positioning ring simplifies on-site construction, and the positioning ring can be adjusted and replaced in a timely manner according to the subsequent vibration of the rotating equipment.
Owner:XIAMEN UNIV
Novel heat-resistant steam rubber pipe
The utility model is applicable to the technical field of rubber hoses, and provides a novel heat-resistant steam rubber hose which comprises a rubber hose body, a connector is fixed at one end of the rubber hose body, an installation head is arranged at one end of the connector, and an inner ring is fixed in the side, close to the rubber hose body, of the installation head. Due to the arrangement of the installation head, when the rubber pipe body and other devices are connected and combined for use, the connection position can be sealed through the inner ring and the outer ring, the leakage condition is avoided, meanwhile, due to the effect of the fixing ring, the rubber pipe body can be prevented from being damaged, and the service life of the rubber pipe body is prolonged. According to the rubber hose, the connecting head and the mounting head can be connected more tightly through the first heat-resisting layer and the second heat-resisting layer, the heat resistance of the rubber hose is enhanced through the action of the first heat-resisting layer and the second heat-resisting layer, the rubber hose can be shaped through the action of the reinforcing layer, and the situation that the rubber hose deforms in the using process is avoided.
Owner:HEBEI HARUI RUBBER PRODUCTS CO LTD
Solid precursor heating device for induction heating
The present application provides a solid precursor heating device for induction heating, comprising: a stainless steel cylinder having a bottom plate, an outer ring wall, a cover and an exhaust pipe, the bottom plate and the outer ring wall define an internal space, the cover is separably arranged at the top of the outer ring wall, the exhaust pipe is arranged on the cover and is communicated with the internal space, and the exhaust pipe is communicated with the internal space; the magnetic conductivity of the stainless steel cylinder is higher than 1H / m; the plurality of vertically stacked disc bodies are separably arranged in the inner space, each disc body is provided with a bearing space, an additional circuit board, an annular edge and a circular ring, and the bearing space is defined among the additional circuit board, the annular edge and the circular ring.
Owner:嘉善卓益凯盛科技有限公司
Elastic ring dynamic stiffness testing device considering extrusion oil film characteristics under rotary excitation
The present application belongs to the technical field of performance test of aero-engine parts, and particularly relates to an elastic ring dynamic stiffness testing device considering extrusion oil film characteristics under rotary excitation, comprising a rotary excitation driving assembly, an elastic ring assembly, a plurality of force sensor assemblies and an outer shell. An annular chamber of the extrusion oil film is formed between the inner and outer bushings of the elastic ring assembly, the elastic ring assembly is installed between the inner and outer bushings, and the outer bushing is fixed to the outer shell through the force sensor assembly; the inner bushing is used for tight fit with the bearing outer ring. The present application can accurately simulate the elastic ring extrusion oil film characteristics under rotary excitation, apply rotary excitation load by using an unbalanced rotor system with adjustable unbalance, directly measure the excitation force amplitude by cross-arranged dynamic force sensors, measure the rotor displacement response by high-precision laser displacement sensors, and further realize accurate testing of dynamic stiffness considering the elastic ring structure and oil film characteristics, thereby providing strong support for elastic ring design.
Owner:BEIHANG UNIV
Double-seal leak-proof structure of sleeve furnace rotary joint
The utility model relates to metallurgy, chemical equipment sealing connection technical field, concretely is sleeve furnace rotary joint double -sealed leakproof structure, including static pipe and rotating pipe, and the integrated connection pipe that goes into the inside of static pipe is formed on rotating pipe, and one sealed bearing is installed on the inner ring wall of connection pipe, and the integrated connection ring that is connected with sealed bearing is formed in static pipe. The utility model discloses a sealed bearing is arranged on the inner ring wall of the connection pipe of rotating pipe, and the interference fit of its outer ring and connection pipe, inner ring and static pipe connection ring forms first heavy sealing, and the structure of the annular sealing groove is set up simultaneously in the outer ring wall of connection pipe, and the sealing convex ring of cooperation outer sealing pipe forms second heavy rotary seal, and the leakproof performance of rotary joint is improved significantly in double -sealed structure, the threaded connection mode of outer sealing pipe and static pipe, the close adhesion of sealed convex ring and annular sealing groove is guaranteed, and it is convenient to install and maintain, realizes the reliable sealing when static pipe and rotating pipe relatively rotate.
Owner:JIANGSU YULI ENERGY SAVING TECH CO LTD
A turbine guide vane air flow test fixture and method
This invention relates to a test fixture and method for testing the airflow of a turbine guide vane. The fixture includes an inlet side and an outlet side, which are connected to form a clamping groove. The inlet side includes an outer inlet ring and an inner inlet ring, and the outlet side includes an outer outlet ring and an inner outlet ring. The end of the outer inlet ring furthest from the outer outlet ring is inclined towards the axis of the outer inlet ring, and the end of the outer inlet ring closest to the outer outlet ring has a rounded corner on its inner sidewall. The sidewall of the inner inlet ring furthest from the outer outlet ring is conical, and the apex of the conical sidewall of the inner inlet ring has a rounded corner, as does the end of the conical sidewall furthest from its apex. The fixture in this design minimizes air pressure and flow loss during airflow testing of the turbine guide vane, thus reducing measurement errors in the test results to a minimum.
Owner:CHINA HANGFA SOUTH IND CO LTD
Intelligent in-situ permeation device and use method
The invention discloses an intelligent in-situ permeation device and a use method, and belongs to the technical field of geotechnical engineering test equipment, and the intelligent in-situ permeation device comprises a supporting structure, an outer ring cylinder and an inner ring cylinder which are coaxially arranged, a double-ring lifting structure and a drilling groove structure. The supporting structure is integrally suspended and fixed through the circular track and the supporting legs; the double-ring lifting structure drives the double-ring cylinder to vertically lift; the groove drilling structure moves in the circumferential direction of the circular track through the moving trolley, and the position of the groove drilling assembly is adjusted in the radial direction through the transverse movement driving assembly, so that the groove drilling assembly is accurately positioned below the bottom edge of the double-ring cylinder. According to the device, an elastic telescopic rod self-adaptive extension and dynamic path tracking mechanism is adopted, when a double-ring cylinder is pressed downwards, a groove drilling assembly is tightly attached to the cylinder wall to synchronously drill an annular pit completely matched with the outer diameter of the double rings, and pit drilling-cylinder falling integrated operation is achieved. The problems of size deviation, ring cylinder inclination and sealing failure caused by traditional pre-digging are solved, and the precision and efficiency of the double-ring penetration test are improved.
Owner:KUNMING UNIV OF SCI & TECH
Annular direct drive motor
PendingCN120824947AMagnetic circuit stationary partsMechanical energy handlingPunchingElectric machine
The invention belongs to the technical field of motors, and particularly relates to an annular direct-drive motor, which comprises an annular stator, the annular stator comprises a stator iron core, the inner ring surface of the stator iron core is provided with a tooth groove, and a stator winding is arranged in the tooth groove; the annular rotor comprises a rotor iron core, and magnetic steel is arranged on the outer ring surface of the rotor iron core; the bearing comprises an outer ring, an inner ring and a roller arranged between the outer ring and the inner ring; the stator core is formed by stacking a plurality of layers of stator punching sheets, and each layer of stator punching sheet is formed by splicing a plurality of fan-shaped punching sheets which are arranged along the circumferential direction. Due to the fact that the annular design is adopted, the overall structure of the motor is more compact, the motor can be better integrated into CT equipment through the design of the annular stator and the annular rotor, the occupied space is reduced, and materials can be more efficiently utilized through the split type fan-shaped punching sheets.
Owner:JIAXING NBG ELECTRIC CO LTD
Method and device for determining the temperature field and thermal deformation of the structure of a compressor rotating disk cavity
The application provides a method for determining the structural temperature field and thermal deformation of a compressor rotating disc cavity, which can be applied to the technical field of heat analysis of turbomachinery. The method comprises the following steps: obtaining the geometric parameters, operating parameters and working substance property parameters of the gas in the disc cavity; based on the balance between the buoyancy effect and the viscous effect driven by the centrifugal force, the average heat flux density of the outer ring cover of the disc cavity is obtained according to the outer ring cover radius, the axial gap of the disc cavity, the rotating disc speed, the outer ring cover temperature, the rotating core zone temperature, the Prandtl number, the density, the dynamic viscosity and the thermal conductivity; based on the heat conduction analogy relationship of the laminar Ekman boundary layer, the local heat flux density of the rotating disc is obtained according to the rotating disc speed, the kinematic viscosity, the thermal conductivity and the difference between the rotating disc temperature and the rotating core zone temperature; and the structural temperature field distribution and the thermal deformation of the rotating disc cavity are obtained according to the average heat flux density of the outer ring cover of the disc cavity and the local heat flux density of the rotating disc.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Sealing flange convenient for pipeline connection for petroleum wellhead
The utility model relates to the technical field of flanges, in particular to a petroleum wellhead sealing flange convenient for pipeline connection, which comprises a sealing flange body, a plurality of bolt holes are arranged on the surface of the sealing flange body, rubber sleeves are inserted into the bolt holes, and rubber clamping rings are integrally formed in the rubber sleeves. A reserved groove is formed in the outer ring face of the sealing flange body, a limiting cover is arranged in the reserved groove in a sleeved mode, a screw rod is inserted into the surface of the limiting cover and fixed in the reserved groove, and a nut is arranged on a rod body of the screw rod in a sleeved and screwed mode. The sealing structure has the beneficial effects that the super-thick sealing gasket is matched with the annular embedding groove, so that the sealing gasket is always centered in the compression process, and unbalance loading is avoided; an I-shaped rubber sleeve and a rubber clamping ring protruding in the middle are arranged in a bolt hole, and the bolt is bidirectionally limited through elastic deformation; an annular reserved groove is formed in the outer ring face and matched with an L-shaped section limiting cover, and mechanical clamping after flange butt joint is achieved.
Owner:YANCHENG RUIDE PETROCHEM MACHINERY CO LTD
A device for the treatment of waste mineral oil
The utility model relates to the technical field of waste mineral oil processing, especially to a kind of processing device for waste mineral oil, it is set up screwing drive reciprocating movable discharging mechanism, can be mixed into waste mineral oil with auxiliary material evenly discharged, improve practicability;Including fixed base, bucket support, mixing bucket, support one, hopper, hose, support two, sliding block, threaded sleeve, threaded rod, upper connecting frame, sliding frame and reciprocating motor, the fixed base top end ring side through multiple groups of bucket support and the outer ring side of mixing bucket bottom end are connected, the fixed base top end rear side is connected with the outside of hopper through support one, the fixed base top end middle side is connected with the bottom end of support two, the inner top end middle side of support two is connected with the top end of sliding block, the inner wall of sliding block is connected with the outer wall of threaded sleeve, the inner wall of threaded sleeve is connected with the outer wall of threaded rod screwing, sliding frame front side is connected with the rear side of reciprocating motor, the output end of reciprocating motor is connected with the front side of threaded rod, threaded rod rotation is set in the inside of sliding frame.
Owner:JIANGSU XINDINGFENG ENVIRONMENTAL PROTECTION TECH CO LTD
An electric heating nonmetallic container mounting structure
ActiveCN224387195Uprevent water leakagequick installationWater-boiling vesselsWarming devicesWater leakageMaterials science
The utility model discloses an electric heating nonmetal container mounting structure, including nonmetal's container body, the base of fastening in the lower extreme of container body, be used for the electric heating device of heating the liquid in container body, the bottom of container body is provided with the round clamping portion, its diameter is less than the diameter of container body, and the outer wall of clamping portion is provided with annular clamping slot, still include support, it includes outer ring, at least two mounting plates of radial regular distribution, and the inner wall upper end of outer ring is provided with annular clamping edge, the outer ring of support is fixed in the annular clamping slot of clamping portion through annular clamping edge clamping, and the base is sleeved on the clamping portion of installing support, and is locked through fastener between base and the mounting plate of support, the utility model discloses install and dismantle more swift and convenient, do not use liquid gum or sealing ring, avoid water leakage, more safe and sanitary.
Owner:ZHONGSHAN DIAMOND SOURCE IND CO LTD
Bearing space ring capable of meeting various functional requirements
The utility model discloses a bearing space ring capable of meeting various functional requirements, which comprises an inner space ring and an outer space ring, the inner space ring is arranged at the inner ring of the outer space ring, a space ring gap is arranged between the inner space ring and the outer space ring, an oil inlet groove is arranged on the outer ring surface of the outer space ring, an oil inlet hole is arranged in the oil inlet groove, and an oil outlet hole is arranged in the oil inlet groove. An oil injection hole set composed of two oil injection holes is formed in the side walls of the two sides of the outer space ring, the oil injection hole set is communicated with the oil inlet hole, the bearing space ring is divided into an inner space ring and an outer space ring, the inner space ring of the bearing space ring and the rotating shaft are fixed together to serve as a rotating piece, and the outer space ring of the bearing space ring is fixed to the end cover bearing chamber and communicated with an oil way of the oil inlet hole of the end cover bearing chamber. Through oil injection of an oil path, structural parts such as balls and a retainer of the bearing are lubricated, the temperature rise of the bearing is reduced, the abrasion of the bearing is reduced, the noise is reduced, and the service life of the motor bearing and the service life of the whole product are prolonged.
Owner:SUZHOU LEGO MOTORS CO LTD
Cylinder straightening device for pressure vessel manufacturing
The utility model relates to the technical fields of pressure vessel manufacturing, in particular to pressure vessel manufacturing is used cylinder roundness correction device, it can carry out inside and outside roundness correction to pressure vessel cylinder, effectively improves the roundness correction effect to pressure vessel cylinder, improves practicality, including work table, four groups of support legs are fixedly connected to the work table bottom end rim annular array, double -shaft motor fixed mounting is in work table bottom end center, the fixed connection has gear disc on double -shaft motor downside output shaft, three groups of L type support are fixedly connected to the work table top rim annular array, and outer reciprocating screw rod rotation is installed on the work table, three groups of outer hydraulic cylinders are fixedly installed on the annular array of outer ring outer wall, three groups of outer hydraulic cylinder output all are fixedly connected with outer support, and three groups of outer support all rotatoryly install outer correction cylinder, the inner roundness correction mechanism includes cylinder, is used for the roundness correction in the cylinder, the fixed mechanism includes three groups of clamping frame, is used for fixing cylinder.
Owner:HUBEI RONGTAO CHEM EQUIP CO LTD
Performance improvement energy-saving equipment based on sand suction machine
ActiveCN224195230UGuaranteed stabilityno movementSievingScreeningPerformance enhancementControl engineering
The utility model provides performance improvement energy-saving equipment based on a sand sucker, and relates to the technical field of improvement energy-saving equipment, the performance improvement energy-saving equipment comprises a sand storage cylinder and a lifting channel, the upper part of the sand storage cylinder is provided with an upper fixing sleeve, the upper fixing sleeve is sleeved with a feed hopper, the upper part in the sand storage cylinder is provided with an upper screen cylinder, and the lower part of the sand storage cylinder is provided with a discharge hopper; a discharging pipe opening is formed in the lower portion of the discharging hopper, vibration motors are installed on the left portion and the right portion of the outer ring face of the discharging hopper, a lifting channel is connected to the right portion of the discharging hopper, a supporting frame is fixed to the middle of the lower portion of the lifting channel, and the supporting frame is fixed to a supporting leg on the right side. And a rotating shaft rotationally moves in the center in the lifting channel. According to the utility model, the feeding quantity is large, the sand is secondarily filtered through vibration, the filtered fine sand is easier, smoother and faster to lift, the situation that the sand is slowly lifted and conveyed due to the coarse sand is avoided, and the device is more energy-saving, efficient and practical.
Owner:WUXI LUOPUSI AUTOMATION EQUIP CO LTD
Mud removal device of drill rod for CFG pile construction
The embodiment of the utility model provides a desilting device of a drill rod for CFG pile construction. In one specific embodiment, the device comprises a driving mechanism and at least one longitudinally arranged rotating mechanism; the rotating mechanism comprises an inner ring body and an outer ring body; the inner ring body is arranged in the outer ring body and is rotationally connected with the outer ring body; at least one annular groove is formed in the outer wall of the inner ring body in the circumferential direction, and the annular groove is connected with the inner wall of the outer ring body in a sealed mode so that a water flow channel for fluid sealing can be formed between the annular groove and the inner wall of the outer ring body. A plurality of cleaning units are uniformly arranged in the inner ring body in the circumferential direction; according to the implementation mode, 360-degree three-dimensional flushing of the surface of the drill rod is achieved, and continuous cleaning operation can be synchronously carried out in the lifting or descending process of the drill rod. In addition, according to the embodiment, the corresponding number of rotating mechanisms can be selected according to working conditions, different cleaning units are arranged in the rotating mechanisms, and the cleaning flexibility is effectively improved.
Owner:GUOMAO ENGINEERING DESIGN INSTITUTE