868 results about "Friction loss" patented technology

The invention relates to the technical field of intelligent oil injection control, in particular to a limited slip differential gear oil performance directional optimization method and system.The limited slip differential gear oil performance directional optimization method comprises the following steps that the temperature rise rate is collected through a temperature sensor to calculate the gear shaft elongation, and a meshing clearance trend vector is generated by combining differential temperature time sequence analysis; the stability correction is calculated by fusing oil film thickness data, the injection angle compensation driving servo motor is solved based on vector projection, the adhesion factor index is constructed by coupling the oil injection feedback and the oil film difference, the oil product meeting the tension condition is switched when the limit is exceeded, and the lubrication recovery performance is evaluated. According to the method, gear shaft temperature rise and differential mechanism temperature gradient data are collected in real time, meshing clearance accurate prediction is achieved by combining expansion coefficient analysis, stability judgment is improved by fusing oil film thickness data, jet precision is optimized based on a vector projection dynamic compensation jet angle, and an adhesion factor index containing a phase difference is constructed to achieve lubrication attenuation early warning. And oil products are accurately switched by dynamically matching tension and viscosity threshold values, so that friction loss is reduced.

According to the free wheel type antiskid differential mechanism, a half axle gear 3 is meshed with a first planetary gear 4, the first planetary gear 4 is meshed with a second planetary gear 5, and therefore when the first planetary gear 4 and the second planetary gear 5 do not revolve, the half axle gear 3 rotates, the rotating direction of the second planetary gear 5 is the same as that of the half axle gear 3, and the second planetary gear 5 is meshed with an inner gear ring 6; the inner gear ring 6 is fixedly connected with the outer gear ring 7, so that the rotation direction of the outer gear ring 7 is the same as that of the half axle gear 3, and the outer gear ring 7 and the half axle gear 3 are jointly meshed with a free gear, so that a structure with a zero arm of force is formed; if the half shaft on one side is not stressed due to slipping or suspension of the vehicle, the planetary gears 4 and 5 of the half shaft on the stressed side revolve to enable the outer gear ring 7 to rotate, the outer gear ring 7 and the half shaft gear 3 are in a locking state due to the fact that the force arm is zero, then escaping is achieved, instant response in the whole process is not delayed, and the service life of the vehicle is prolonged. Due to the fact that the force arm is zero in locking, friction loss is not generated, the pure mechanical structure supports large torque, and the device can be applied to various scenes such as off-road vehicles and heavy trucks.

The invention relates to the technical field of bearings, and discloses a ceramic angular contact ball bearing with high bearing capacity, the ceramic angular contact ball bearing comprises an outer ring, an inner ring, a rolling body, a retainer and an oil storage cavity, the outer ring is of a cylindrical structure, and the inner surface of the outer ring is in contact with the rolling body; the inner ring is positioned inside the outer ring, and the outer surface of the inner ring is contacted with the rolling body; and the rolling bodies are a plurality of spherical ceramic elements which are fixed and separated by the retainer. By optimizing the arrangement mode and material selection of the rolling bodies, the bearing has higher bearing capacity and anti-overturning performance under the high-load condition; the heat dissipation through holes are formed in the retainer, so that the heat dissipation performance of the bearing in the running process is remarkably improved, and the bearing failure risk caused by overheating is reduced; through the design of the oil storage cavity and the oil outlet micropores matched with the oil storage cavity, uniform supply of lubricating oil is achieved, and friction loss between the rolling body and the inner ring and the outer ring is reduced.

The utility model provides an on-line rotary viscometer, which belongs to the technical field of viscosity measuring instruments and comprises a measuring chamber, a rotor, a stator, a driving component and a detecting piece, and the measuring chamber is suitable for being communicated with a pipeline to be measured; the rotor is arranged in the measuring chamber, the rotor is of a cylinder structure with a cavity inside, and a plurality of liquid inlet grooves communicated with the cavity are formed in the side wall of the rotor; the stator is rotatably arranged in the cavity, and a medium channel is arranged between the stator and the rotor; the driving assembly is connected with the rotor, a medium flowing through the medium channel can rotate around the stator under the rotating action of the rotor, and the rotating medium can drive the stator to rotate or drive the stator to generate a rotating trend; the detection piece detects the viscous torque borne by the stator during rotation. According to the online rotary viscometer provided by the utility model, the rotation of the stator is driven by a medium without friction loss caused by a transmission process, so that the viscous torque during the rotation of the stator is accurately obtained, and the accuracy of a result is improved.

The invention relates to the technical field of speed reducers, in particular to a multi-stage coaxial speed reducer which comprises an outer cylinder, a first-stage gear ring and a second / third-stage gear ring are arranged in the outer cylinder, and a first-stage speed reducer, a second-stage speed reducer and a third-stage speed reducer are sequentially arranged in the outer cylinder. The first-stage planet carrier framework is axially fixed, and the second-stage planet carrier framework and the third-stage planet carrier framework axially float; gaskets / thrust bearings are arranged between stages to achieve axial supporting and friction reduction, and the last-stage three-stage planet gears adopt staggered-tooth gears to eliminate meshing clearances. Through the coaxial compact integrated design, the large reduction ratio and the compact structure are both considered; due to the lubricating circulation design of inter-stage antifriction supporting and self-adaptive rotating speed, the friction loss is greatly reduced, and the transmission efficiency is improved; the structure of staggered tooth clearance eliminating, elastic buffering and shaft system stabilizing effectively reduces gear abrasion and impact loads, remarkably prolongs the service life, has the advantages of being high in transmission precision, fast in response and stable in operation, and can be used for precise transmission, automobile active stabilizer bars and other scenes.

An energy-saving rolling support and radial symmetric hydraulic cylinder drum type intelligent braking structure of a screw press comprises a motor, the motor is fixed to an upper cross beam, an output shaft of the motor is connected with a gear, the gear is meshed with an outer ring gear on a flywheel, the flywheel and a first screw are connected and rotate together, and the top of the first screw is tensioned through a first nut; hydraulic cylinders are symmetrically arranged above the upper cross beam in the radial direction, hydraulic oil enters cavities of the hydraulic cylinders through oil conveying pipelines on the upper cross beam, advancing and retreating of piston push rods are achieved, drum brakes are installed on the front portions of the piston push rods, friction plates are symmetrically arranged on the end faces of the drum brakes, and when the piston push rods are ejected out, the friction plates make contact with the lower end faces of flywheels. Therefore, the braking of the screw rod mechanism is realized; according to the invention, the space is saved, and the braking sensitivity is improved; the friction loss of the screw press in the operation process is reduced, and the energy utilization rate is increased.

The invention provides a steel wire rope winding device, which belongs to the technical field of winch winding equipment and comprises an operating frame, the operating frame is connected with a guide wheel, an electric cabinet and a supporting flange plate, the supporting flange plate is connected with a rotary supporting plate and a variable-frequency speed reducer, and the upper end of the supporting flange plate is provided with a driven fluted disc, a rotary disc and a winding frame. The variable-frequency speed reducer is connected with a driving fluted disc, and the guide assembly comprises a locking mechanism and a protection mechanism; the steel wire rope winding device has the beneficial effects that the winding position of a steel wire rope can be changed through the motor, the lead screw and the guide frame, uniform arrangement is achieved, the winding quality is guaranteed, the torsion condition can be reduced through the clamping and guiding effects of the guide wheel, meanwhile, protective liquid can be smeared on the surface of the steel wire rope through the liquid suction column to reduce friction loss, and when the steel wire rope is clamped, the steel wire rope is prevented from falling off. And winding can be automatically stopped, the steel wire rope can be locked, an operator can be reminded in time, and therefore equipment damage or safety accidents are reduced.

The invention discloses a three-coordinate measuring machine re-measurement system and a control method, and belongs to the technical field of three-coordinate measurement, the three-coordinate measuring machine re-measurement system comprises a support, a workbench, a portal frame, a detection system, a first electric telescopic rod, a second electric telescopic rod, a third electric telescopic rod, a sliding rail, an adjusting column and a gradienter, and further comprises a main control module and a control logic module, the control logic module controls the three-coordinate measuring machine to execute a measuring task through electric connection, ceramic shells are arranged on the surfaces of the portal frame, the connecting frame, the sliding clamping block and the sliding rail, and the characteristics of high rigidity and low expansion coefficient of ceramic materials are utilized, so that deformation of a traditional metal structure caused by temperature change or long-term friction is avoided. Friction loss is reduced while the contact area is reduced, and the track precision when the portal frame translates along the X axis is ensured. The rigid support of the ceramic shell enables the equipment not to depend on a strict constant temperature environment, eliminates a thermal deformation error source from the mechanical structure level, and improves the measurement stability in a complex environment.

The utility model discloses a gas dynamic pressure radial bearing based on a tenon biological structure, and relates to the technical field of radial dynamic pressure gas bearings. Comprising a bearing rotor and a bearing sleeve, grooves are formed in the peripheral surface of the bearing rotor, the grooves are distributed in the cylindrical spiral line direction, the grooves are distributed in the circumferential direction of the bearing rotor at intervals to form a groove set, a zone area is formed between any two adjacent grooves, the section of the zone area is in a streamline shape, and the bearing rotor is arranged in the bearing sleeve. And in a non-working state, the table area is in contact with the inner wall of the bearing sleeve, and in a working state, gas outside the bearing can flow into the bearing sleeve from the gap, and a gas film with high internal pressure is formed in the middle of the bearing sleeve. According to the aerodynamic radial bearing based on the tenon biological structure, the bearing capacity of the bearing is enhanced, the stability of the bearing is improved, the friction loss in the bearing is reduced, the service life of the bearing is prolonged, and the stability of the bearing is improved.

The invention discloses a V-shaped thrust retainer which comprises an annular main body, and the annular main body is provided with pockets for mounting a rotating body; the pocket is provided with a V-shaped limiting part for limiting the rotation body to move in the axial direction of the pocket; the annular body is further provided with an outer oil storage part for containing lubricating oil, a buffering part and a buffering ring, the buffering part is arranged between every two adjacent pockets, an oil storage cavity is formed in each buffering part, and the buffering ring is arranged on the side wall of the inner ring of the annular body. Compared with a traditional arc-shaped / annular flange and other structures, the V-shaped limiting part can reduce the contact area of the rotating part and the limiting structure, friction loss is reduced, and lubricating oil consumption is reduced; by arranging the buffering part, the buffering layer can play a role in absorbing and damping, so that the rolling path of the rotating body can be kept stable, collision impact and vibration generated in the rolling process are further reduced through the stability of the rotating body, and finally the damping and noise reduction effects of the retainer and the bearing are achieved.

The invention relates to the technical field of part stamping dies, in particular to an automobile part machining stamping forming die which comprises a mounting plate, a fixed supporting structure is arranged below the mounting plate, a first mounting block is fixedly mounted on the upper side of the mounting plate, and a detachable lower die base is arranged on the upper side of the first mounting block. In the process that a sliding block moves downwards along with a movable adaptive block, the top face of the sliding block retracts into a first sliding cavity, space is reserved for stamping, when stamping is completed and an upper die block ascends, a second spring pushes the movable adaptive block to move upwards, the top of the sliding block protrudes out of the surface of a lower die base to eject a workpiece, and the top of the sliding block makes contact with an extrusion sensor to trigger an automatic oil injection pump; lubricating oil is injected into the oil injection hole through the guide pipe and sprayed to the surface of the lower die base through the oil injection groove to complete lubrication of the lower surface, the bidirectional lubrication mechanism ensures that the metal sheet is comprehensively lubricated in the stamping process, friction loss is remarkably reduced, and the product surface quality is improved.

The invention relates to a water pump scheduling method for estimating lift based on data driving, which comprises the following steps: calling structural information and sensing data, calculating friction loss and structural symmetry, extracting differential pressure data flow gradient, judging load matching degree, activating path nodes, identifying differential pressure data change sections, and mapping a calculation path. According to the method, dynamic correction and compensation of input parameters are achieved by means of conjoint analysis of the structural features of the water inlet and the water outlet and flow pressure difference data, and comprehensive judgment of the working condition matching degree and the periodic change state is combined, so that the flow resistance trend is judged, and the calculation result is corrected. The adaptability to cold load fluctuation and loop temperature difference change is enhanced, the response capability of lift calculation to water body characteristic change is improved by introducing flow resistance trend and viscous state factors, and the calculation stability of the model in different operation sections and the calculation accuracy of the model in complex working conditions are optimized by using a path activation configuration and output switching mechanism.

The utility model discloses a plastic oil self-lubricating maintenance-free axle bearing which comprises an outer ring, a rolling body, an inner ring and plastic oil, the rolling body is arranged between the inner ring and the outer ring, the plastic oil is in contact with the rolling body and is used for lubricating the rolling body, the utility model provides the novel self-lubricating maintenance-free axle bearing, and the plastic oil formed by an oil-saturated polymer matrix is used as a lubricating medium of the axle bearing; the lubricating oil can stably run in high-load, high-dust, high-temperature and low-temperature environments, and a lubricating film is autonomously formed in the running process, so that the maintenance frequency is reduced, the friction loss is reduced, the wear resistance is enhanced, and even the lubricating oil is maintenance-free. And the solid plastic oil is not easy to leak, so that the risk of environmental pollution is reduced.

Systems and methods of the present disclosure include receiving measured data corresponding to a wellbore and locating the measured data in a flow map corresponding to the wellbore. The method also includes converting the measured data to determine friction loss and comparing the located measured data and the determined friction loss. Moreover, the method also includes determining that the located measured data is consistent with the determined friction loss with a common flow regime and deeming the common flow regime as a current flow regime. Furthermore, the method includes controlling an operation in the wellbore based at least in part on the deemed current flow regime.

According to the composite continuum mechanical arm control method and system and the mechanical arm, friction loss is considered, the drive wire node tension transmission relation is analyzed, drive wire tension distribution is obtained, and then deformation drive of a flexible beam is equivalent; statics analysis is carried out on the notch continuum mechanical arm, a static model is established by using an Euler-Bernoulli beam theory, and the static model is solved by using a Taylor series expansion method; based on static model data, a Kepler elliptic equation is used for fitting the tail end track of the notch continuum mechanical arm, and a relation equation of the concentric tube continuum mechanical arm relative to the tail end coordinates is constructed; and according to matrix coordinate conversion, an equation of key parameters needed for solving the control parameters is established and iteratively solved, and a control parameter equation set is established to solve the control parameters of the composite continuum mechanical arm. The control response timeliness can be improved, and the control accuracy and precision can be improved.

The invention discloses a drilling fluid flow calculation method for gas lift reverse circulation drilling. The drilling fluid flow calculation method comprises the following steps: S1, defining a gas lift reverse circulation lifting force and friction loss pressure model; s2, assuming that the drilling fluid flow in the circulation process is Qm; s3, calculating the total friction pressure of gas lift reverse circulation; s4, calculating the gas lift reverse circulation lifting force; and S5, according to the gas-lift reverse circulation lifting force and the gas-lift reverse circulation total friction force, the upward backflow amount of the drilling fluid is calculated. According to the invention, by inputting the gas lift reverse circulation well depth structure and the drilling related parameters, the influence of the gas lift reverse circulation well depth structure and the drilling related parameters on the backflow amount of the drilling fluid is researched, so that the optimal operation parameters of the optimal gas lift reverse circulation are obtained. According to the method, parameters of the air compressor air supply amount, the double-wall drill rod tripping-in depth, the double-wall drill rod specification and the single-wall drill rod specification selected for drilling of the gas lift reverse circulation geothermal well drilling can be optimized, and a reasonable theoretical basis is provided for more reasonably achieving gas lift reverse circulation drilling.

The invention discloses an RV speed reducer and an industrial robot, and relates to the technical field of speed reducers. The RV speed reducer comprises a pin wheel housing, a planet carrier and a main bearing; the main bearing is used for supporting relative movement of the planet carrier and the pin wheel housing, the main bearing comprises an inner ring, an outer ring and a rolling body clamped between the inner ring and the outer ring, the inner ring is formed on the planet carrier, the outer ring is fixedly connected with the pin wheel housing, the outer ring is provided with a track, and the track comprises an arc-shaped section; wherein the outer diameter phi 3 of the outer ring, the bottom diameter phi 2 of the track, the radius R of the arc-shaped section and the diameter S of the rolling body meet the following conditions: (S * 1.015) / 2 < = R < = (S * 1.025) / 2, and (phi 2 + 4.6 mm) < = phi 3 < = (phi 2 + 6 mm). By reasonably limiting the sizes of the track and the outer ring, the deformation of the track is controlled, the friction loss is reduced and the service life of the main bearing is prolonged while the main bearing is simple to assemble and low in production cost.

The application discloses a permanent magnet motor, which comprises a stator and a rotor, the rotor is arranged at the inner circumferential side of the stator, the rotor comprises a rotor house and a plurality of magnetic pole modules, the plurality of magnetic pole modules are arranged at the outer circumferential side of the rotor house along the circumferential direction of the rotor house, and the gap between adjacent magnetic pole modules extends outwardly and obliquely from the outer wall of the rotor house in the direction away from the rotation direction of the rotor house. In the application, the air in the driving gap flows outward during the rotation of the permanent magnet motor, the air in the air gap between the driving stator and the rotor flows, the permanent magnet motor is cooled, the air flow resistance and the wind friction loss are reduced, the heat dissipation of the permanent magnet motor is enhanced, in addition, the resistance during the rotation of the rotor is reduced, the mechanical loss of the rotor is reduced, and the efficiency of the permanent magnet motor is improved.

The utility model relates to the technical field of steel pipe necking, in particular to a steel pipe necking device. The necking device comprises a first shell, a second shell, a necking assembly and an oiling assembly. The second shell is arranged at the inlet end of the first shell. The necking-down assembly is arranged in the first shell and used for conducting necking-down treatment on the steel pipe. The oiling assembly is arranged in the second shell, and lubricating oil is smeared on the steel pipe before necking. The oil coating assembly comprises an oil coating piece which rolls through a plurality of balls and coats lubricating oil on the steel pipe; the oil supplementing part is used for supplementing lubricating oil for the oil coating part; and the pushing and pressing piece is used for pushing the oil storage sponge to extrude the lubricating oil filled in the oil storage sponge to the balls. When a steel pipe passes through the second shell, the multiple balls can be driven to rotate, and therefore lubricating oil stained on the balls is evenly smeared on the steel pipe. A layer of lubricating film can be formed on the surface of the steel pipe, friction force between the steel pipe and the necking module is reduced, and therefore friction loss in the machining process is reduced.

The utility model belongs to the technical field of refrigeration compressors, and discloses an air cylinder assembly, a compressor pump body and a compressor. An air cylinder cavity is formed in the center of the air cylinder body, and an air cylinder sliding piece groove is formed in the circumferential wall of the air cylinder cavity in the radial direction. At the notch end of the air cylinder sliding sheet groove, the joint of the groove wall of the air cylinder sliding sheet groove and the peripheral wall of the air cylinder cavity is of a fillet structure. The fillet structure is located on one side of an air suction cavity of the air cylinder cavity. According to the utility model, the local stress condition of the contact part between the notch of the cylinder slip sheet groove and the side wall of the slip sheet is improved, the friction condition of the matching part between the notch of the cylinder slip sheet groove and the side wall of the slip sheet is greatly improved, the lubrication condition between the cylinder slip sheet groove and the slip sheet is effectively improved, the friction loss and abrasion are reduced, and the service life is prolonged. Therefore, the mechanical efficiency of the cylinder assembly and the compressor pump body is improved, and the working performance of the compressor is ensured.

The utility model discloses a telescopic arm middle section arm and a single cylinder bolt type telescopic arm, the middle section arm comprises an arm pin and a pin hole, one side or two sides of the arm pin are provided with a detection switch used for controlling a pin plugging and unplugging mechanism to release the arm pin, and the same side of the pin hole and the arm pin is correspondingly provided with a detection block used for switching the detection switch to release signals. According to the utility model, the plurality of middle knuckle arms are sequentially sleeved, when the single-cylinder bolt type telescopic arm is manufactured, the detection switch of the inner knuckle arm corresponds to the detection block of the adjacent outer knuckle arm, and when the positions of the arm pin and the pin hole of the inner knuckle arm and the outer knuckle arm correspond, the detection switch acquires a signal of the detection block and immediately sends an arm pin releasing signal to the pin plugging and unplugging mechanism controller, so that the single-cylinder bolt type telescopic arm is manufactured. The arm pin of the inner knuckle arm pops up and is inserted into the corresponding pin hole of the outer knuckle arm, the inner knuckle arm and the outer knuckle arm are locked, the arm pin does not make contact with the outer knuckle arm before being released, and noise and friction loss caused by sliding of the arm pin of the inner knuckle arm relative to the outer knuckle arm are reduced.

The invention discloses concentric double-shaft stirring equipment, and relates to the field of stirring equipment, the concentric double-shaft stirring equipment comprises an outer shaft and an inner shaft which are coaxially arranged, the inner shaft is sleeved with the outer shaft, the outer shaft is coaxially sleeved with a box body, one side of the box body is provided with an outer shaft transmission assembly used for driving the outer shaft to transmit, and a transmission part of the outer shaft transmission assembly is arranged in the box body; an inner cavity is formed between the outer shaft and the inner shaft, an outer cavity is formed between the outer shaft and the box body, and a lubricating oil circulating system is arranged between the inner cavity and the outer cavity. Meanwhile, full lubrication and cooling of all friction parts are achieved through a lubricating oil circulating system, friction loss is reduced, and the service life of equipment is prolonged.

The invention relates to a rotor structure and a wet operation circulating pump with the rotor structure. The rotor structure comprises a front sliding bearing, a rear sliding bearing, a rotor rod and a permanent magnet. The rotor rod is provided with a front bearing accommodating space and a rear bearing accommodating space; the rotor rod fixes the front sliding bearing through the front bearing accommodating space, the rotor rod fixes the rear sliding bearing through the rear bearing accommodating space, and the permanent magnet is fixed on the outer surface of the rotor rod; the front sliding bearing and the rear sliding bearing are respectively nested on a central fixed shaft of the shielding tank assembly, and the rotor structure concentrically rotates around the central fixed shaft under the action of electromagnetic force of the stator assembly; the rotor structure at least further comprises a bearing sleeve arranged between the front sliding bearing and the front bearing containing space. Compared with the prior art, the wet operation circulating pump has the advantages that the performance of the wet operation circulating pump is improved, and mechanical friction loss generated when the front sliding bearing and the rear sliding bearing rotate around the center shaft is greatly reduced.

The invention provides a tensile detection device for a rubber product, and belongs to the technical field of rubber tensile detection. Comprising a base, two sets of stand columns are symmetrically installed on the base, a movable plate is assembled between the stand columns, an upper clamp is fixedly connected to the outer portion of the movable plate, a lower clamp corresponding to the upper clamp in position is fixedly connected to the base, and sliding seats are arranged in the stand columns in a sleeved mode; a rotating rod and a threaded rod are movably connected into the stand column through bearings, and a servo motor for driving the rotating rod and the threaded rod to rotate is fixedly connected to the top end of the stand column. Through the arrangement of the threaded seat, the sliding seat and the separation assembly, the whole device can rapidly complete reset operation after the device completes stretching detection of a rubber product, so that the working efficiency of the whole device is improved, meanwhile, friction between a threaded rod and the threaded seat cannot be generated in the reset process, the friction loss of the device is reduced, and the device is convenient to use. And the service life of the device is indirectly prolonged.

The invention relates to the technical field of hybrid power vehicles, in particular to a clutch assembly for a hybrid power system, the hybrid power system, a control method and device of the hybrid power system, a vehicle and a storage medium. The clutch assembly includes: a power input shaft; the power input shaft is sleeved with the one-way clutch, the driving gear and the thrust transmission assembly. The one-way clutch comprises an inner ring assembly. The driving gear comprises a connecting shaft, and the outer side wall of the connecting shaft is used for being matched with the movable body of the inner ring assembly. The thrust transmission assembly is used for triggering the one-way clutch to rotate relative to the power input shaft so that the one-way clutch and the driving gear can be switched between the self-locking state and the separation state. The self-locking state means that the movable body abuts against the outer side wall of the connecting shaft; and the separation state means that a gap is formed between the movable body and the outer side wall of the connecting shaft. According to the clutch assembly disclosed by the invention, the required hydraulic pressure can be reduced, the switching efficiency of series-parallel connection modes is improved, the driving and riding comfort is improved, and the dragging and friction loss can be reduced.

The utility model discloses a novel small-caliber fixed ball valve seat, relates to the technical field of ball valve seats, and aims to solve the problems that in order to achieve a good sealing effect of a small-caliber ball valve at present, the number of springs needs to be increased, thrust needs to be increased by enlarging the pressure difference area of the valve seat, sealing is formed, the valve torque is increased, and the service life is prolonged. The problems that in the valve opening and closing process, the specific pressure of a sealing ring is directly increased due to the fact that thrust of a spring and a medium on a valve seat is increased, the friction loss of the sealing ring is increased, the sealing performance of the sealing ring is affected, and finally sealing fails are solved. Valve seats are symmetrically arranged on the two sides of the ball body, triangular ring lock covers are arranged below the ends, close to the ball body, of the valve seats, elastic triangular rings are arranged between the valve seats and the sides, close to the ball body, of the triangular ring lock covers, compression spring grooves are formed in the four corners of the inner side of the valve body, and compression springs are arranged in the compression spring grooves.

The invention provides a multi-way valve. The multi-way valve comprises a valve body; the valve core is rotatably arranged in the valve body; the driving assembly comprises a driving part and a speed reduction wheel set, the speed reduction wheel set is provided with a sun gear, a plurality of planet gears, a first connecting plate, a second connecting plate and an output part, the driving part is in driving connection with the sun gear, the planet gears are meshed with the sun gear, the first connecting plate is rotatably connected with the first ends of the planet gears, and the second connecting plate is rotatably connected with the second ends of the planet gears; the second connecting plate is rotatably connected with the second ends of the planet wheels, gaps are formed between the first end of the sun wheel and the first connecting plate and between the second end of the sun wheel and the second connecting plate, one end of the output part is in driving connection with the planet wheels, the other end of the output part is in driving connection with the valve element, and the driving part drives the valve element to rotate through the speed reduction wheel set. By means of the technical scheme, the problem that in the prior art, friction loss in a speed reduction assembly is large can be solved.

The invention relates to the technical field of gravity energy storage devices, and discloses a suspension cable rail type gravity energy storage device, system and method, the device comprises a loading trolley and two parallel steel rails, the steel rails are divided into a low position area, an ascending area and an energy storage area, and potential energy adjustment is achieved through sectional design. Wherein the ascending area is a large-gradient inclined rail section, the energy storage area comprises a speed reduction slope section and a horizontal energy storage rail section, the low-position area is provided with a buffering rail section, and a three-level safety speed reduction mechanism is formed. The system is provided with an intelligent lubricating assembly, friction loss is reduced through a U-shaped groove rail and a closed-loop oil way, and dynamic scheduling is achieved by integrating a central control unit. According to the method, safe and controllable energy conversion is achieved by improving load trolley energy storage in the valley electricity period and releasing power generation in the peak electricity period in combination with the buffer rail section and the speed reduction slope section. The gravity energy storage device solves the problems that a traditional gravity energy storage device is poor in safety and low in efficiency and has the advantages of being stable in structure, accurate in control, high in adaptability and the like, and the circulation efficiency can reach 85% or above.

The utility model discloses an electrically operated gate guide rail structure which comprises a fixing seat, guide rails are arranged on the two inner side walls of the fixing seat, ball sets are arranged in the guide rails in a sliding mode, an installation seat is arranged between the two ball sets, an electrically operated gate body is arranged on the installation seat, a clamping groove is formed in the lower surface of the installation seat, and a clamping groove is formed in the lower surface of the installation seat. A clamping block is clamped in the clamping groove, a mounting plate is fixedly connected to the lower end of the clamping block, a cleaning brush is fixedly connected to the lower end of the mounting plate, a plurality of dust outlet channels are formed in the fixing base, a plurality of sets of oil storage cavities are symmetrically formed in the upper surface of the fixing base, and oil outlet channels are formed in the bottoms of the oil storage cavities; oil storage cotton is arranged in the oil outlet channel. By arranging the oil storage cavity, the oil outlet channel and the oil storage cotton, a lubricating oil film is formed on the matching surface of the ball group and the guide rail, the friction loss is reduced, the probability of corrosion of the guide rail is reduced, and movement of the electric door body is facilitated.

The utility model discloses a negative pressure operation air cooling phase modifier, which comprises a stator base, a stator unit and a rotating shaft, two ends of the rotating shaft are connected with the stator base through an end cover, and the end cover is provided with a bearing for supporting the rotating shaft and a rotary sealing mechanism for sealing the contact position of the end cover and the rotating shaft. A cavity is formed between the periphery of the stator unit and the stator base to form a cooling air path, an air cooler is installed on the cooling air path, the air cooler is connected with a cooling water system, the end cover is connected with a bearing lubricating oil system and a sealing oil control system, and the outer surface of the stator base is connected with an air control system. The rotating shaft is connected with an excitation system; according to the utility model, the internal air pressure during the operation of the phase modifier is reduced by taking measures, so that the internal air pressure is lower than the external environment air pressure, the air friction loss and the fan loss related to the air pressure and density in the phase modifier are reduced, and the efficiency and the economical efficiency of the air-cooled phase modifier during low-load operation are improved.