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37results about How to "Extended maintenance intervals" patented technology

Mud pulse generator driven by motor

The utility model discloses a mud pulse generator driven by a motor. The mud pulse generator is used for extracting signals of an inclinometer while drilling. Comprising a main valve head assembly and a servo assembly, the servo assembly comprises a screen drum and a valve seat arranged in the screen drum, a valve sleeve is arranged at a mud channel of the valve seat, the valve sleeve and a servo valve rod are oppositely arranged, and the servo valve rod can move to be seamlessly attached to the valve sleeve; a servo valve rod is connected with a ball screw nut, a hexagonal shaft sleeve on a ball screw shaft is connected with a speed reducer, the speed reducer is connected with a fixing seat assembly, and the periphery of the fixing seat assembly is sleeved with an outer rotor assembly. The outer rotor assembly is connected with the motor short section and is driven by the motor. The motor is used for driving, so that rigid collision between the servo valve rod and the valve sleeve can be effectively avoided, abrasion between the servo valve rod and the valve sleeve is reduced, and the service life of the servo valve rod and the valve sleeve is prolonged.
Owner:BEIJING MONDENAR TECH DEV CO LTD

Multi-loop variable flow state mixing system and sculpture design and performance evaluation method

The invention discloses a multi-loop variable flow state mixing system and a sculpture design and performance evaluation method, and relates to the technical field of mixing, the system comprises a tank body, the front end of the tank body is provided with a liquid inlet, the rear end of the tank body is provided with a liquid outlet, and at least one loop mixing module is arranged between the liquid inlet and the liquid outlet in the tank body; the loop mixing module comprises an upper baffle plate, a lower baffle plate and a base; an arc-shaped groove is formed in the upper end of the base, and flow pattern sculptures are arranged on the surface of the arc-shaped groove; the upper ends of the upper baffles are connected with the upper wall of the inner cavity of the tank body, the forefront upper baffle is arranged behind the liquid inlet, and the lower ends of the upper baffles are inserted into the arc-shaped grooves; the lower baffle is fixedly arranged at the rear end of the base. According to the invention, by enhancing the rotating flow state, the acid liquid is fully mixed when flowing through the system, and the online preparation of the gelled acid liquid is realized.
Owner:SOUTHWEST PETROLEUM ENG CO LTD SINOPEC

Device and method for providing air into combustion furnace, and combustion furnace

PendingCN121969866ALong continuous operation cycleeasy to controlAir supply regulationDamper arrangementInlet valveDamper
The invention relates to a device (10) for providing air into a combustion furnace (18), the device (10) comprising: a sleeve (11) enclosing a distribution chamber (20) and a feed duct (21) extending outwardly from the distribution chamber (20); an inlet (12) for receiving air from an air source into the distribution chamber (20); an outlet (13) located at the end of the feed duct (21) for discharging air from the inside of the sleeve (11); an inlet valve (19) arranged at the inlet (12) and adjustable to control the air entering the distribution chamber (20) through the inlet (12); a damper (14) arranged within the feed duct (21) and movable from a restricted position to an open position, or to a position between them, to regulate the flow of air discharged through the outlet (13). In the device (10) according to the invention, the damper (14) comprises a first flow-limiting element (15a) and a second flow-limiting element (15b), which are arranged one above the other and at a distance from one another in the feed duct (21), the first flow restriction element (15a) and the second flow restriction element (15b) are arranged such that at least a portion of the air flowing from the distribution chamber (20) to the feed duct (21) can flow through a gap (GP) between the first flow restriction element (15a) and the second flow restriction element (15b) to the outlet (13). The invention also relates to a combustion furnace (18) and to a method for providing air into a combustion furnace (18).
Owner:ANDRITZ OY

Hierarchical electrostatic adsorption etching device

The present application discloses a hierarchical electrostatic adsorption etching device, comprising a studio, a carrier, a first electrostatic suction cup and a second electrostatic suction cup. The first electrostatic suction cup and the second electrostatic suction cup are arranged in the studio and above the carrier. The electrostatic suction cup can attract impurity particles to adhere, thereby ensuring the cleanliness of the cavity environment, extending the cavity maintenance cycle, and improving the equipment operation efficiency; the second electrostatic suction cup is provided with a first perforation, and the impurity particles can move toward the first electrostatic suction cup through the first perforation; the attraction of the first electrostatic suction cup is greater than the attraction of the second electrostatic suction cup; a second electrostatic suction cup with smaller attraction is added below the first electrostatic suction cup, which will not affect the carrier's attraction to positive ions, and can well induce impurity particles with small splash angles and low splash heights to move upward; the impurity particles are mainly attached to the first electrostatic suction cup, which can keep the impurity particles away from the etching gas source, thereby avoiding airflow disturbance that has already been adsorbed. Impurity particles.
Owner:WUXI SHANGJI SEMICON TECH CO LTD

Potential gradient distribution type high-temperature anticorrosive coating and preparation method thereof

The invention discloses a potential gradient distribution type high-temperature anticorrosive coating and a preparation method thereof, and relates to the technical field of coating materials. The invention relates to a potential gradient distribution type high-temperature anti-corrosion coating which is formed by superposing and combining a high-potential coating, a medium-potential coating and a low-potential coating. The invention provides a potential gradient distribution type high-temperature anticorrosive coating and a preparation method thereof, so that the problems that the potential distribution of the high-temperature anticorrosive coating is single and the overall corrosion failure of the coating is easy to occur are solved, the service life of the coating is longer under the condition that the thickness of the coating is effectively reduced, and the maintenance period is prolonged.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS

Epitaxial equipment and wafer conveying method thereof

The invention provides epitaxial equipment and a wafer transfer method thereof, and the epitaxial equipment is characterized in that a first valve assembly is connected between a loading locking chamber and a transfer chamber, a second valve assembly is connected between the transfer chamber and a process chamber, and the loading locking chamber is connected with a first air inlet channel and a first air outlet channel; the transmission cavity is connected with a second air inlet channel and a second air outlet channel, the first air inlet channel and the second air inlet channel are connected to the same air inlet end, the first air outlet channel and the second air outlet channel are connected to the same air outlet end, and the first air outlet channel and the second air outlet channel are provided with flow control valves. The process chamber is respectively connected with a third air inlet channel and a third air outlet channel, a pressure regulating butterfly valve is arranged on the third air outlet channel, and the pressure regulating butterfly valve is a pressure regulating butterfly valve without a sealing element. According to the extension equipment, the sealing performance requirement of the pressure regulating butterfly valve is lowered, and the service life of the pressure regulating butterfly valve is prolonged.
Owner:YANWEI (JIANGSU) SEMICON TECH CO LTD

Protective pipe for brake shoe gap adjuster of railway wagon

The utility model relates to a protective tube for a brake-shoe gap adjuster of a railway wagon, which comprises a cylinder, a rear-end sealing sleeve and a front-end sealing seat, and a through cavity is arranged in the cylinder, so that a screw of the adjuster can penetrate through the cavity; the rear end sealing sleeve is arranged at the rear end of the cylinder in a sleeving mode, a buckling ring is arranged on the outer wall of the rear end sealing sleeve, and the buckling ring is embedded into a clamping ring groove in an inner hole of the front cover and used for axial fixing and restraining between the rear end sealing sleeve and the front cover; a boss is arranged on the outer wall of the rear end sealing sleeve and inserted into a groove in an inner hole of the front cover so as to fix and restrain the rear end sealing sleeve and the front cover in the circumferential direction. The front end sealing seat is embedded in the front end of the cylinder body and is used for sealing and supporting the screw rod; the sealing parts of the front end and the rear end of the protective pipe are reliable, axial and circumferential positioning structures are arranged, the failure rate of the automatic bidirectional brake shoe clearance adjuster of the railway wagon is reduced, and the maintenance period of the adjuster is prolonged.
Owner:YUEQING MINGSHI VEHICLE FITTINGS CO LTD

Anti-clogging acidification oil separation tail gas treatment equipment

The present invention relates to the technical field of acidified oil separation tail gas treatment, and discloses an anti-clogging acidified oil separation tail gas treatment device. Each dredging component of the present invention corresponds to a separation layer, and each dredging component can rotate along a hoisting track under the action of the acidified oil separation tail gas rising inside a primary separation tower to clean and dredge the collection tank at the bottom of the separation layer, and can separate the various gas components in the acidified oil separation tail gas inside the primary separation tower separately without interfering with the separation of the various gas components, and can clean and dredge the collection tank at the bottom of the separation layer by rotating each dredging component along the hoisting track without affecting the air tightness inside the primary separation tower through the action of the airflow, thereby effectively avoiding blockage inside the primary separation tower, ensuring the separation efficiency of the primary separation tower after long-term use, significantly extending the maintenance time interval of the primary separation tower, and avoiding losses caused by shutdown maintenance.
Owner:江苏润睿生物科技有限公司

Rotary self-cleaning etching device

The present application discloses a rotary self-cleaning etching device, comprising a working room, a dielectric cover, a carrier, a carrier, a coil, an inner cover, a rotary drive, a lifting drive and a lifting assembly, wherein a shielding edge is provided at the bottom of the inner cover, which can prevent pollutants from entering the working room; a soft metal film is attached to the surface of the inner cover, which can reliably and efficiently capture pollutants generated during the etching process, thereby ensuring the cleanliness of the etching environment and the effect of wafer surface treatment; the rotating drive drives the carrier to rotate, which can improve the uniformity of coating and etching; the lifting assembly enables the inner cover to rotate with the carrier, which can avoid the inner cover and the dielectric cover from sticking and the perforation from being blocked, and can also throw off pollutants with poor adhesion, thereby further ensuring the cleanliness of the environment in the cavity; a cleaning member is provided on the outer wall of the inner cover, which can rotate and clean the dielectric cover by the cleaning member, and can also achieve self-cleaning of the cavity wall, thereby reducing the need for stopping the machine for unpacking.
Owner:WUXI SHANGJI SEMICON TECH CO LTD

Shaft grounding arrangement structure

The invention relates to a shaft grounding arrangement (1) having a housing (2) which receives a shaft (3) and a fluid, a grounding ring (4) is associated with the shaft (3), which grounding ring establishes an electrically conductive contact between the shaft (3) and the housing (2), the grounding ring (4) having a disc-shaped contact body (5) which lies on a circumferential surface of the shaft (3) in a lip-shaped manner, a first contact surface (6) is formed by the contact body (5) and a second contact surface (7) is formed by the shaft (3), at least one of the two contact surfaces (6, 7) being provided with a surface structure (8).
Owner:CARL FREUDENBERG KG

Packing sealing structure at high-pressure end of multi-stage centrifugal pump

The utility model discloses a multi-stage centrifugal pump high-pressure end packing sealing structure which comprises a pump shaft, a shaft sleeve is sleeved outside the pump shaft, a packing culvert body is sleeved outside the shaft sleeve, one side of the packing culvert body is communicated with the inside of a pump, and the other side of the packing culvert body is connected with the shaft sleeve in a sealing mode. A packing ring a, a packing layer a, a packing ring b and a packing layer b are sequentially arranged in the packing cavity from the sealing side to the side close to the inside of the pump, a packing gland is arranged on the outer side of the packing layer b, a flushing hole is formed in the packing culvert body and corresponds to the packing ring b, one end of the flushing hole is communicated with the packing cavity, the other end of the flushing hole is connected with a flushing device through a flushing pipe, and a control valve and a pressure release valve are arranged on the flushing pipe. According to the utility model, the service life of the filler is prolonged, the maintenance frequency is reduced, the cost is reduced, and the safety of production operation is improved.
Owner:SHAANXI BEIYUAN CHEM GROUP

A large load clean freight elevator

The present invention discloses a heavy-load clean freight elevator, comprising an elevator car (1), wherein a partition (2) is provided in the elevator car (1), one side of the partition (2) forms a carrying part (3), the other side of the partition (2) forms an air passage (4), the lower end of the air passage (4) is provided with an air inlet (5) connected to the carrying part (3), the top of the air passage (4) extends to the outside of the elevator car (1) and is provided with an air outlet (6), the outside of the air outlet (6) is connected to a purifier (8) located at the top of the elevator car (1) via an air pipe (7), and the air outlet end of the purifier (8) is connected to the carrying part (3). The present invention can circulate and purify the air in the car, and reduce the mutual exchange of air inside and outside the car, and has the characteristics of low power consumption, good purification effect and low noise.
Owner:SICHER ELEVATOR

High-frequency hydraulic pulsation signal generating device and method based on volume cavity change

The invention discloses a high-frequency hydraulic pulsation signal generating device and method based on volume cavity change, and relates to the technical field of aero-engine tests. According to the test system, pipeline pressure pulsation simulation is achieved in a hydraulic pulsation injection mode, the change of a single-acting cylinder containing cavity is controlled by adjusting the speed of a servo valve to achieve the change of output pressure, and high-frequency closed-loop control is conducted by feeding back a speed signal through a speed sensor at the single-acting cylinder. And meanwhile, in order to avoid cylinder collision of the hydraulic cylinder, a low-frequency position signal is input, and position closed loop is carried out by utilizing a feedback displacement signal of a displacement sensor at a single-acting cylinder. The test system has the advantage that controllable high-frequency hydraulic pulsation can be generated, and a high-frequency response characteristic test can be completed by injecting signals at an inlet of a fuel pump performance test bench.
Owner:BEIJING HANGKE ENGINE CONTROL SYST SCI & TECH

Temperature detection device of shunt

The utility model discloses a temperature detection device of a diverter, which is applied to a power battery and a power supply module electrically connected with the power battery, two ends of the diverter are respectively electrically connected with the positive electrodes of the power battery and the power supply module, and copper sheets are respectively welded at the joints of the two ends of the diverter and the power battery and the power supply module; the device comprises an NTC resistor which is arranged on a copper sheet at one end of the two ends of the shunt, is separated from the end part of the shunt by a preset distance, and is used for detecting the temperature of the shunt; and the PCB is provided with a temperature detection circuit, and the temperature detection circuit is electrically connected with the NTC resistor, receives a temperature signal from the NTC resistor and transmits the temperature signal to the outside through the PCB. According to the utility model, the temperature detector can detect the temperature of the shunt for a long time while the detection precision of the temperature detector is not influenced, and the maintenance interval time is long.
Owner:ZHUHAI XIANYANG NEW ENERGY CO LTD

Impeller injection mold

ActiveCN224408308UReduce the normal angleSolve the problem of demoulding damageImpellerStructural engineering
The utility model provides a kind of impeller injection mold, including upper die plate, lower die plate, core mould and sliding block;The core mould is located on upper die plate, the sliding block is circumferentially distributed in the periphery of core mould, and the sliding block, core mould, upper die plate and lower die plate constitute the mold cavity of impeller;The sliding block is combined sliding block, and the combined sliding block includes upper layer sliding block and lower layer sliding block, and the lower layer sliding block is movably installed on upper die plate along second direction, and the upper layer sliding block is movably installed on lower layer sliding block along first direction, and the lower layer sliding block is connected with second straight line mechanism, for driving lower layer sliding block to move on upper die plate along second direction;The upper layer sliding block is connected with first straight line mechanism, for driving upper layer sliding block to move on lower layer sliding block along first direction.The utility model solves high negative angle blade demolding damage problem by combined sliding block, greatly improves yield, and moreover prolongs the service life of mould, reduces maintenance cost.
Owner:CHANGZHOU SHENYING CARBON FIBER COMPOSITES CO LTD

Vehicle having a drive device with a brake device

The invention relates to a vehicle (2) having a drive device (1), the drive device (1) having an electric drive machine (3) for generating a drive torque for the vehicle (2), the drive device (1) having a step-up gear (4) for increasing the drive torque, the speed-increasing gear (4) has a gear input (6) for receiving a drive torque and a gear output (5) for outputting an increased drive torque in the direction of at least one driven wheel (7) of the vehicle (2), such that a drive torque path (103) is formed from the drive machine (3) to the gear output (5) and / or to the at least one driven wheel (7), the drive device has a brake device (10a, 10b, 10c), the brake device (10a, 10b, 10c) being operatively connectable to the drive torque path (103) in order to apply a brake torque to the at least one driven wheel (7) along the brake torque path (100a, 100b, 100c), the brake device (10a, 10b, 10c) having a friction brake device, the friction brake device (10a, 10b, 10c) being operatively connectable to the drive torque path (103) in order to apply a brake torque to the at least one driven wheel (7) along the brake torque path (100a, 100b, 100c). The friction brake device has a temperature control fluid for lubricating and / or cooling the friction brake device.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG

MBR membrane on-line cleaning device

ActiveCN224640788Uachieve cleaningExtended maintenance intervals
The utility model discloses a kind of MBR membrane online cleaning device, including fixing frame, still including MBR membrane material and cleaning mechanism, MBR membrane material is equidistantly installed in the inside of fixing frame, cleaning mechanism is provided at the top of fixing frame, the cleaning mechanism includes mounting bracket, electric push rod, movable plate, fixed rod, mounting plate, liquid inlet pipe and spray pipe, the mounting bracket is connected to the top of fixing frame and electric push rod bottom end is fixed to the top center position of mounting bracket by fastener, while controlling electric push rod operation when water washing, make its power end slowly push movable plate and cleaning assembly to descend, to realize the overall cleaning of MBR membrane material from top to bottom, after cleaning a group of membrane material, reset movable plate, make that mounting plate and the membrane material to be cleaned are aligned by sliding mounting bracket position, can continue to carry out cleaning operation, can be online cleaning to membrane material when needed, without frequent disassembly and installation, while expanding maintenance interval period, reduce the number of overall disassembly cleaning, improve cleaning convenience.
Owner:TIANJIN TIANSHUI ZHIXIN INFRASTRUCTURE CONSTR & OPERATION CO LTD

Abrasion-proof sealing structure for lower machine body shaft of coal mill

The invention belongs to the technical field of coal mill sealing, and particularly relates to a coal mill lower body shaft anti-abrasion sealing structure which comprises a rotating shaft, a milling bowl mounting seat is fixedly mounted at the top of the rotating shaft, an upper skirt cover is fixedly mounted at the bottom of the milling bowl mounting seat through bolts, and an outer sealing ring is fixedly mounted at the bottom of the upper skirt cover through bolts. The outer side of the rotating shaft is rotationally sleeved with a first sealing assembly, the outer side of the rotating shaft is rotationally sleeved with a mounting gasket, and the outer side of the bottom of the rotating shaft is rotationally sleeved with a second sealing assembly. By means of the labyrinth type sealing shell, the sealing air bag and the fourth carbon alloy ring, two forms of air sealing and mechanical sealing can be achieved, the sealing effect is improved, in addition, if ash breaks through the first sealing assembly and enters the second sealing assembly, the ash can enter a first containing groove in the labyrinth type sealing shell and is contained by the first containing groove, and therefore the sealing effect is improved. Therefore, the rotating shaft can be prevented from being abraded.
Owner:辽宁东方发电有限公司

Drainage pipe structure

The present invention discloses a drainage pipe structure, including a lower drainage pipe and a drainage trough, a dense separation net is provided in the drainage trough, a drainage cover and a large-pore soft filter are provided in the lower drainage pipe, the drainage cover is hinged with the drainage trough, a positioning groove is provided on the drainage cover, a pipe wall small hole, a horizontal positioning rod and an outer seat are provided on the side wall of the lower drainage pipe, an outer gear is provided on the outer seat, a horizontal rack is provided on the horizontal positioning rod, a large floating block, a small floating block, a baffle, a vertical rotation rod, a support plate and a wire pipe are provided in the special drainage cavity, a vertical positioning rod is provided at the bottom of the large floating block, a vertical rack is provided at the lower end of the vertical positioning rod, and the small floating block is connected to the vertical rotation rod through a rotating rod pull line. The beneficial effect of the present invention is that during normal drainage, the collection and drainage of rainwater on the roof can be smoothly realized under the premise of blocking large-volume obstructions. When there are many or suspected many obstructions, the rapid drainage function can be turned on, which can avoid poor drainage caused by blockage and automatically transfer and collect obstructions to ensure the smoothness of subsequent drainage.
Owner:TIANJING NEW MATERIALS (HUBEI) CO LTD

A solar panel and photovoltaic system

PendingCN122719229AExtended service lifeExtended maintenance intervals
This invention discloses a solar panel and photovoltaic system. By setting a light-diffusing module between the light-receiving panel and the light source, and the light-diffusing unit in the light-diffusing module can transmit light from the light source and form diffused light on the light-receiving panel with an illumination area greater than the area occupied by a power generation unit, during daily use, obstructions will fall on the light-diffusing module instead of the light-receiving panel. Even if some light-diffusing units are blocked or the sunlight is uneven, the illumination area on the light-receiving panel formed by the unblocked light-diffusing units is greater than the area occupied by a power generation unit. Therefore, it can ensure that the light intensity of different power generation units is relatively uniform. This effectively avoids the problem of some power generation units overheating due to high internal resistance when the operating current is high. This effectively improves the service life of the solar panel and extends the maintenance interval of the solar panel.
Owner:TWS TECH GUANGZHOU LTD

Drive device for a vehicle, vehicle comprising a drive device, and assistance module for a vehicle and / or drive device

The invention relates to a drive device (1) for a vehicle (2), comprising an electric drive machine (3) for generating a drive torque for the vehicle (2), comprising a step-up gear mechanism (4) for increasing the drive torque and for outputting the increased drive torque in the direction of at least one driven wheel (7) of the vehicle (2), the at least one driven wheel (7) is driven by the speed-increasing gear (4) and comprises a brake device (10) for generating a brake torque on the at least one driven wheel (7) via a brake torque path (100), the brake torque path (100) extending through the speed-increasing gear (4), and wherein the brake device (10) is arranged upstream of the speed-increasing gear (4) in the brake torque path (100).
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG

Cross beam structure of rubber-tyred road roller

The utility model relates to the technical field of engineering machinery, in particular to a cross beam structure of a rubber-tyred road roller, which comprises a support component, and a bottom clamping component is arranged at the bottom of the support component; according to the cross beam structure of the road roller, the shock absorption springs, the transverse springs and the vertical springs are matched with the shock absorption dampers, shock absorption is carried out on the cross beam structure of the road roller under the combined action of the transverse dampers and the vertical dampers, and shock generated when the springs rebound after absorbing shock and impact from the road surface are restrained; although the shock absorption springs can filter vibration of a road surface, the springs can do reciprocating motion, the shock absorbers are used for restraining jumping of the springs, then the buffering and shock absorption effects are achieved, the driver is used for driving the engine oil barrel to conduct automatic oil supply work, 95% of labor is saved, the maintenance interval time is prolonged through good lubrication, and the service life of the engine oil barrel is prolonged. The maintenance cost and shutdown loss are reduced, and the rubber-tyred road roller is light in operation, long in neutral sliding distance and capable of saving fuel oil consumption.
Owner:ANHUI JIAENTE INTELLIGENT MFG CO LTD

Computer-implemented method for determining a control variable vector for controlling a system

A first general aspect of the present disclosure relates to a computer-implemented method for determining a control variable vector for adjusting a system. The method comprises the following steps: determining a first state vector; generating a stability rule based on a stability metric and the first state vector; receiving a control variable preset vector; and calculating a control variable vector based on the stability rule and the control variable preset vector.
Owner:ROBERT BOSCH GMBH

Anti-skid tension wheel for automobile transmission

The application discloses an anti-skid tensioning wheel for automobile transmission and belongs to the technical field of tensioning wheels. The anti-skid tensioning wheel comprises a mounting seat, a pressure plate slidably connected to the mounting seat, a wheel frame slidably connected to the pressure plate, a pressure spring arranged on the pressure plate, and a tensioning wheel rotatably connected to the wheel frame. A non-circular insertion column is slidably connected to the wheel frame. An adjusting screw is rotatably connected to the pressure plate. A driving ring is rotatably connected to the mounting seat. The driving ring is in transmission connection with a transmission belt. The pressure plate and the wheel frame slide relative to each other to drive the non-circular insertion column to slide. When the pressure plate and the wheel frame are located at positions close to each other, the tensioning wheel keeps pressing the transmission belt. When the pressure plate and the wheel frame are located at positions far away from each other, the tensioning wheel slides to the transmission belt and further presses the transmission belt. When the transmission belt slips, the tensioning wheel slides to further press the transmission belt. After slipping, the tensioning wheel can provide tension to the transmission belt again. The transmission belt can be conveniently disassembled. The anti-skid tensioning wheel adopts a pure mechanical structure, and the failure rate is reduced.
Owner:TAIZHOU TENGYU MASCH CO LTD

Packing sealing type drying cylinder bearing structure

The invention provides a packing sealing type drying cylinder bearing structure, and relates to the field of bearings, the packing sealing type drying cylinder bearing structure comprises two bearing inner rings, and the two bearing inner rings are in interference connection with the outer side of a drying cylinder connecting shaft; the number of the inner ring fixing rings is two, and the two inner ring fixing rings are fixedly connected to the outer sides of the two bearing inner rings correspondingly. The two groups of bearing rolling bodies are respectively connected to the outer side of the bearing inner ring in a rolling manner; the number of the bearing outer rings is two, and the two bearing outer rings wrap the outer sides of the two sets of bearing rolling bodies respectively, so that the problems that in the operation process of an existing packing sealing type drying cylinder bearing structure, along with long-time operation, lubricating grease in a bearing is gradually consumed, once the storage amount of the lubricating grease is insufficient, the service life of the bearing is shortened, and the service life of the bearing is shortened are solved. The problems that lubricating grease needs to be supplemented into the packing sealing type drying cylinder bearing every specific time, and frequent maintenance operation inevitably affects the production efficiency are solved, and the working efficiency is improved.
Owner:LINYI GALAXY NEW MATERIALS CO LTD

High-performance push-pull waterproof energy-saving window

ActiveCN224173943UHave sexual functionWith anti-theft functionShutters/ movable grillesClimate change adaptationSlide windowStructural engineering
The utility model relates to the technical field of sliding windows, in particular to a high-performance sliding waterproof energy-saving window which comprises a main body, a sliding assembly is arranged in the main body, and a dustproof assembly is arranged on the side face of the main body. The first electric control telescopic rod and the second electric control telescopic rod are used for controlling the first glass plate and the second glass plate respectively, automatic pushing can be conducted in a crossed mode, automatic pushing is safe and convenient, and the outer shell made of stainless steel has the advantages of being good in sealing performance, anti-theft function and the like. The automatic intelligent control sliding window has the advantages of being easy and fast to use, easy, convenient and flexible to install and the like, is long in maintenance period, saves space, is free of radiation pollution and noise interference, is durable, safe and reliable, and can effectively prevent dust, sundries and the like from entering a room through the dustproof frame net, so that the room is protected from being polluted.
Owner:WUXI JIEYANG ENERGY SAVING TECH

A rodent-proof optical cable and a method for manufacturing the same

The present invention provides a rodent-proof optical cable and a manufacturing method thereof, which relates to the technical field of manufacturing rodent-proof optical cables, and adds fixing measures to the structure to prevent the overlap of the steel belt armor layer of GYTS and GYTS04 optical cables from being peeled off by rodents. The rodent-proof optical cable comprises a polymer jacket, a corrugated plastic-coated steel belt, a binding steel wire, a cable core, a bonding hole and a steel belt overlap seam. The present invention simplifies the protective measures for preventing rodents from biting off optical fibers when the optical cable is aerially laid, simplifies the installation, protection, maintenance, etc. of the optical cable, and reduces the production and use costs.
Owner:CHENGDU HENGTONG OPTIC COMM CO LTD

Air filter structure capable of effectively prolonging maintenance period

The utility model discloses an air filtering structure capable of effectively prolonging the maintenance period, belongs to the technical field of engine air filtering, and solves the problems that an existing air filter is short in maintenance period and high in maintenance cost. The air filtering structure comprises a filtering shell, the top of the filtering shell is provided with a connecting pipe communicated with the interior of the filtering shell, the connecting pipe is sleeved with an air filtering cap with the air inlet and protection functions, a first pre-filtering element is arranged in the air filtering cap, an air outlet of the first pre-filtering element is communicated with the interior of the filtering shell, and an air outlet of the first pre-filtering element is communicated with the interior of the filtering shell. A second pre-filter element is arranged in the filter shell, a fine filter element is arranged in the second pre-filter element, an air outlet pipe communicated with an inner cavity of the fine filter element is arranged at one end of the filter shell, and a detachable sealing end cover is arranged at the other end of the filter shell. According to the air filter structure capable of effectively prolonging the maintenance period, the service life of the air filter is prolonged, and the fault occurrence rate of falling off is reduced.
Owner:GUANGXI YUCHAI MARINE & GENSET POWER CO LTD

An assembled laminated floating slab damping system and a mounting method thereof

ActiveCN121496802BBreaking through the high stiffness limituniform dampingBallastwayRailway track constructionStress concentrationClassical mechanics
The application discloses an assembled laminated floating slab damping system and a mounting method thereof, and aims to solve the problems of high rigidity, narrow damping frequency band, low construction efficiency, difficult maintenance and the like of the existing floating slab damping system; in the system, upper and lower prefabricated concrete slabs are bonded into a laminated floating slab through a composite slab, the laminated floating slab can provide high damping and a flexible interface, effectively dissipate vibration energy, and can jointly form a multistage damping system with an elastic pad plate to expand the damping effect; connecting pieces are overlapped on two laminated floating slabs, and connecting pad plates are arranged between the laminated floating slabs and the connecting pieces; the connecting pad plates are integrally formed with an elastic layer through a steel plate and vulcanization, and can additionally provide elastic connection and reduce stress concentration.
Owner:YIKE LUTONG TRACK EQUIP CO LTD