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373 results about "Friction reducing" patented technology

Frictional force can be reduced in the following ways Use of lubricants: In machines, friction can be reduced by applying lubricants between the contact surfaces to fill the fine pores or depressions in the surfaces and make them smooth thereby reducing friction.

Sawtooth-shaped circular knife ultrasonic cutting acoustic system

The invention relates to the technical field of ultrasonic cutting, in particular to a sawtooth-shaped circular knife ultrasonic cutting acoustic system which comprises a main shaft, an ultrasonic vibrator and an ultrasonic cutting tool, the ultrasonic vibrator is connected with the main shaft, the ultrasonic cutting tool is installed on the side, away from the main shaft, of the ultrasonic vibrator, and a plurality of sawtooth grooves are formed in the peripheral face of the ultrasonic cutting tool. The sawtooth grooves are annularly distributed at equal intervals, and sawteeth are formed between every two adjacent sawtooth grooves. According to the ultrasonic cutting tool, the sawtooth grooves are formed in the peripheral surface of the ultrasonic cutting tool, so that the machining mode of the workpiece is intermittent cutting, the contact time of the ultrasonic cutting tool and the workpiece is shortened, and then friction resistance generated by contact between the ultrasonic cutting tool and the workpiece is reduced; heat generated between an ultrasonic cutting tool and a workpiece in the workpiece machining process can be greatly reduced, heat is released through non-contact gaps, and cutting force is reduced by reducing friction resistance.
Owner:JIANGSU BRANCH OF CHINA ACAD OF MASCH SCI & TECH GRP CO LTD

Cover for a support surface

A cover for a support surface includes: a ticking made of a ticking material configured to enclose a support layer of the support surface, the ticking having an outer top surface configured to face a person lying on the support surface; and a friction reducing overlay on at least a portion of the outer top surface for facilitating displacement of the person on the support surface, the friction reducing overlay being made of a low friction material formed onto the ticking material, the friction reducing overlay comprising a plurality of overlay elements that are spaced apart from each other to form an overlay pattern.
Owner:UMANO MEDICAL INC

Air spring upper supporting structure, air spring and vehicle

The invention provides an air spring upper supporting structure, an air spring and a vehicle, and belongs to the technical field of suspension systems. The scheme that the top rubber, the blocking cover and the check ring are arranged on the upper supporting body is achieved through the arrangement of the installation groove, the reliability of matching with the piston rod can be guaranteed, and the compactness of the upper supporting structure of the air spring can be improved. The threaded sleeve is arranged in the mounting hole, so that structural damage to the area where the mounting hole is located can be effectively avoided, and the service life of the upper supporting structure of the air spring is prolonged. By arranging the heat insulation pad, the problem that the whole air spring is seriously heated due to the fact that the upper supporting body absorbs excessive heat is solved, and the service life of a rubber part in the air spring is shortened. The arc-shaped flow guide faces are arranged at the corners of the first air channel and the second air channel, so that vortexes are avoided, friction is reduced, and the problem of abnormal sound generated by air flowing is solved. Double connection of the threads and the positioning pins is adopted between the mounting hole and the threaded sleeve, so that the anti-loosening strength and the torsional strength of the threaded sleeve are enhanced, and the threaded sleeve is prevented from loosening.
Owner:爱科智能科技有限公司

Carriage assembly with overload protection

A carriage slider and rail assembly is disclosed. The assembly may include a linear rail including one or more surfaces that define a channel. The assembly may include a carriage slider sub-assembly. The sub-assembly may include a slider configured to be axially displaceable within the channel of the linear rail. The sub-assembly may include one or more overload protection lobes including a first overload protection lobe positioned adjacent to a first end of the slider and a second overload protection lobe positioned adjacent to a second end of the slider. The sub-assembly may include one or more friction reducing portions. The overload protection lobes may make contact with the channel of the linear rail when an abuse load is applied to provide overload protection. The overload protection lobes may be configured to not make contact with the channel of the linear rail when an abuse load is not applied.
Owner:BE AEROSPACE INC

Testing device for simulating soil deformation caused by vertical pipe jacking construction

The utility model discloses a test device for simulating soil deformation caused by vertical pipe-jacking construction. The test device comprises a model box, a vertical pipe-jacking device and a vertical pipe-jacking device, a horizontal tunnel assembly is mounted in the model box; a vertical pipe jacking assembly is mounted above the horizontal tunnel assembly; the vertical pipe jacking assembly comprises an outer pipe, a middle pipe and an inner pipe which are sequentially arranged from outside to inside. A first cross-shaped steel frame is arranged at the top of the middle pipe; a second cross-shaped steel frame is arranged at the bottom of the inner pipe, and the inner pipe is connected with the outer pipe through the second cross-shaped steel frame; the testing device further comprises a base support. A drawing device is installed through a base support, a steel claw is arranged at the lower end of the drawing device, and the drawing device is connected with the first cross-shaped steel frame through the steel claw, so that the steel claw and the middle pipe are driven to vertically move. According to the utility model, the influence of friction force on the soil body is reduced by only extracting the middle pipe, the test data and the loss rate of the soil body are more accurately measured, and the accuracy of a test result is improved.
Owner:EAST CHINA JIAOTONG UNIVERSITY +1

Pushing piece for magnetic latching relay

The present invention discloses a push piece for a magnetic latching relay, which includes a push piece body. A swing rod protrusion and two spring piece protrusions are arranged on the top edge of the push piece. A swing rod card slot with an open top surface and an open side surface is arranged inside the swing rod protrusion. A spring piece card slot with an open top surface and an open side surface is arranged inside the spring piece protrusion. Three grooves with open bottom surfaces are arranged on the bottom surface of the push piece body. An n-shaped limit slot is fixed at the bottom of the push piece body. A process groove is arranged inside the push piece body, and the opening of the process groove is arranged on the top surface and / or the bottom surface of the push piece body. At least one reinforcing rib is arranged inside the process groove. The structure of the present invention is reasonably arranged, which is beneficial to ensuring uniform cooling, ensuring that the thicknesses of both sides of the push piece are the same, and can also make the side surface flatter, which is beneficial to reducing friction during use. In addition, at least one reinforcing rib is added, which is beneficial to ensuring the overall mechanical strength. It has strong applicability and good practicability.
Owner:ZHEJIANG LIHUI ELECTRIC COMPANY

High-precision smooth edge grinding machine

The utility model relates to a high-precision smooth edge grinding machine and belongs to the field of lens grinding, the high-precision smooth edge grinding machine comprises a rack, a grinding mechanism is arranged on the upper surface of the rack, a clamping mechanism is arranged on the upper surface of the rack and located in front of the grinding mechanism, and the grinding mechanism comprises a supporting frame, a connecting frame, a rotating shaft and a smooth surface grinding disc. According to the high-precision smooth edge grinding machine, the grinding mechanism adopts a polyurethane resin grinding wheel as a smooth surface grinding disc, the polyurethane resin grinding wheel has excellent self-lubricity and wear resistance, friction and heat are reduced in the grinding process, damage to a lens is effectively avoided, burrs are changed into polishing through edge grinding, meanwhile, through combined driving of a grinding motor and a transmission belt, the grinding efficiency is improved, and the grinding efficiency is improved. According to the optical lens edge grinding device, high-speed rotation of the grinding disc is ensured, the edge grinding efficiency is improved, the cooling effect in the grinding process is further enhanced through the arrangement of a cooling water pipe and a spraying head, lens damage or deformation caused by too high temperature is prevented, the optical lens edge grinding quality is greatly improved, and the requirement for high-precision machining is met.
Owner:CHENGDU HONGZHENG OPTICAL CO LTD

Modularized crossing frame for power transmission line multi-scene maintenance construction

The invention relates to the field of cable construction equipment, in particular to a modularized crossing frame for power transmission line multi-scene maintenance construction, which comprises a support frame, a base, a sliding block, a sleeve, a driving mechanism and an expansion mechanism, the base is slidably arranged on the supporting frame, and the sliding block is rotationally arranged on the base. The sleeve is rotationally arranged on the sliding block and can slide in the direction perpendicular to the power transmission line, the diameter of the middle of the sleeve is smaller than that of the end of the sleeve, and the sleeve is elastic in the radial direction and makes contact with the power transmission line; the driving mechanism controls the base to slide so that the power transmission line can be located in the middle of the sleeve, the power transmission line can drive the slider to rotate under external force, and the expansion mechanism changes the diameter of the end of the sleeve when the slider rotates. The driving mechanism adjusts the position of the sleeve, prevents the power transmission line from sliding relative to the sleeve through the sleeve structure, and guarantees the stability. The expansion mechanism increases the bending radian and wrapping performance by changing the diameter of the end part of the sleeve, thereby further preventing the power transmission line from sliding, reducing frictional wear, and prolonging the service life.
Owner:SHENYANG LIAODIAN NEW ENERGY TECH DEV CO LTD

Screw processing equipment of food bulking machine

The invention relates to the technical field of screw rod processing equipment, in particular to food bulking machine screw rod processing equipment which comprises a machine tool for processing a screw rod original part, two sets of supporting rods symmetrically arranged on the surface of the screw rod original part are assembled on the surface of the machine tool and used for supporting the rotating screw rod original part; a plurality of supporting rods are arranged in each set to prevent the problem that the coaxiality is reduced due to gravity, the multiple supporting rods are arranged in each set to support the original screw rod in a large range, deformation of the original screw rod with the large length-diameter ratio in the machining process due to the gravity is prevented, the machining precision of the screw rod is ensured, the rotating supporting rods can reduce the influence of friction force, and the machining precision is improved. And meanwhile, a plurality of limiting rods are used in cooperation, the threaded round rod is limited in multiple directions, the influence of centrifugal force generated by the original screw rod at the high rotating speed is reduced, and the machining precision of the screw rod is guaranteed from multiple dimensions.
Owner:JINAN EAGLE FOOD MASCH CO LTD

Welding device for power construction and intelligent welding system thereof

InactiveCN120396359AWeld seamElectric power
The invention relates to the technical field of electric power construction, in particular to a welding device for electric power construction and an intelligent welding system.The welding device comprises a platform, a welding mechanism for welding pipe fittings is arranged above the platform, a fixing mechanism for clamping the pipe fittings is arranged on the surface of the platform, and a water curtain mechanism is arranged above the platform; water is conveyed to an annular pipe through a water conveying pipe through a water pump, the water is sprayed out from a spray head A to form a protective water curtain, welding sparks are blocked, the risk is reduced, a baffle enables water flow to be gathered, the water curtain blocking effect is enhanced, a motor B drives a lead screw, a polishing block is made to be attached to a weld joint, and a pipe fitting is rotated by adjusting a motor A; and meanwhile, compressed air enables a baffle to be turned over, water flow is guided for cooling, chippings are washed out, and friction is reduced, the pipe fitting is placed in a mounting base, an air cylinder B drives a clamping plate for clamping, an electric push rod enables the pipe fitting to be centered, a motor A drives the pipe fitting to rotate, automatic welding is achieved, and quality and efficiency are improved.
Owner:GUANGDONG TIANYUE CONSTRUCTION & INSTALLATION ENGINEERING CO LTD

Precise guiding device for hot continuous rolling of kovar alloy plate

The utility model discloses an accurate guide device for hot continuous rolling of a kovar alloy plate. The accurate guide device comprises a rack, a conveying roller, a guide mechanism, a fixing mechanism and a cleaning mechanism, the rack is fixed on the ground; the conveying rollers are evenly and rotationally connected to the machine frame through bearings, and the guiding mechanisms are symmetrically installed on the two sides of the kovar alloy plate. The fixing mechanism and the cleaning mechanism are both mounted on the guide mechanism; the guide mechanism comprises a support frame, a connecting plate, a rotating roller, a bidirectional threaded rod, a guide rod and a motor II; the two-way threaded rod is rotationally connected to the rack through a bearing, and the guide rods are fixed to the portions, on the two sides of the two-way threaded rod, of the side wall of the rack. The motor is fixed to the outer side wall of the rack, and the output end is connected with one end of the bidirectional threaded rod. According to the utility model, the Kovar alloy plate can be accurately guided; in the Kovar alloy plate guiding process, the side wall makes contact with the rotating roller, friction can be reduced, and damage to the Kovar alloy plate is further reduced.
Owner:山东盛阳金属科技股份有限公司

Polycrystalline diamond radial centralizing sliding bearing

The utility model discloses a polycrystalline diamond radial centralizing sliding bearing which comprises a static ring, a movable ring arranged on the inner side of the static ring, a wear-resistant pad and a first polycrystalline diamond layer arranged on the inner side of the movable ring, a second polycrystalline diamond layer arranged on the outer side of the static ring, and a rolling ball arranged on the static ring. A first lubricating groove and a second lubricating groove are formed in the static ring, a first filter screen is fixedly connected to the top of the first lubricating groove, a first retention groove is fixedly connected to the bottom end of the first lubricating groove, a first lubricating channel and a first calandria are communicated to the first retention groove, and a second filter screen is fixedly connected to the top of the second lubricating groove. The bottom end of the second lubricating groove is fixedly connected with a second detention groove, and the second detention groove communicates with a second calandria and a second lubricating channel. By means of the device, the first lubricating groove, the second lubricating groove, the calandria and the lubricating channel are conveyed to the rolling balls, so that the lubricating efficiency is improved, and frictional wear is reduced.
Owner:SICHUAN XIONGCHEN TECHNOLOGY CO LTD

Battery shell punch forming device

The utility model discloses a battery shell punch forming device, and belongs to the technical field of battery shell manufacturing. The device mainly comprises a frame body; the stamping mechanism is mounted at the upper end of the frame body; the fixing mechanism is installed at the upper end of the frame body, and the fixing mechanism is provided with a mold and a section mold cavity formed in the mold; the material ejecting mechanism is mounted at the lower end of the frame body and comprises a mounting frame, a material ejecting mechanism and a material ejecting mechanism, and the mounting frame is mounted at the lower end of the frame body; the ejection air cylinder is mounted on the mounting frame; the supporting rod is mounted on the mounting frame; the fixing plate is mounted on the supporting rod; the sliding rods are hinged to the two ends of the fixing plate; the spring is mounted at the top end of the sliding rod; and the ejector rod is arranged at one end of the spring. According to the battery shell punch forming device, by arranging the material ejecting mechanism, alternate material ejecting is conducted on the two ends of a battery shell, and therefore the effect of reducing friction force is achieved.
Owner:CHANGZHOU ZHENYU AUTO PARTS CO LTD

Substrate lifting drive unit, manufacturing apparatus and method of display device having the same

A substrate lift driving unit, a manufacturing apparatus of a display device provided with the same, and a method for manufacturing a display device, which can increase manufacturing efficiency by minimizing wear of a manufacturing apparatus to increase the life of the manufacturing apparatus and also can supply a lubricant to the manufacturing apparatus during operation of the manufacturing apparatus, are provided. The substrate lift driving unit includes a shaft extending in a first direction, a main body sliding along the shaft, a friction reducing portion between an outer circumferential surface of the shaft and an inner surface of the main body, and a power portion connected to the shaft and providing power for relative movement of the shaft and the main body. The shaft includes an inlet at one end portion of the shaft, an outlet at an outer circumferential surface of the shaft, a first flow path formed inside the shaft and extending from the inlet in the first direction, and a second flow path extending from the first flow path in a second direction crossing the first direction to the outlet and in fluid communication with the first flow path.
Owner:SAMSUNG DISPLAY CO LTD

Drilling machine for machining mechanical parts

The invention discloses a drilling machine for machining mechanical parts, which comprises a main body, a lifting device which moves along with the up-down movement of a chuck in the main body is arranged on the main body, and a collecting device for collecting long chips generated in the drilling process is arranged on the lifting device. A crushing device for crushing long chips in the collecting device is arranged on the collecting device; through the double-layer annular structure of the outer barrel and the inner barrel in the collecting device, the splayed bottom face of the first guide plate and the J-shaped section of the second guide plate are combined, directional collection of long chips is achieved, the abutting plate is dynamically attached to the surface of the rotary cutter through the first spring and the balls, friction loss is reduced, the gap can be automatically adjusted according to the size of the cutter, and the cutting efficiency is improved. The inclined guide face of the first guide plate is matched with the C-shaped outline of the inner cylinder, so that the long chips slide into a collecting area along a preset path, and the long chips are prevented from being wound around a chuck or a cutter.
Owner:LINYI JINKE FOUNDRY CO LTD

Push-on fastener, assembly, and method of making and using the same

To provide a push-on fastener that is fixed to an inner member, simplifies an assembly, and is used to reduce friction, vibration and noise while prolonging the lifetime of the assembly.SOLUTION: There is provided a push-on fastener 100 that includes: a push-on fastener body including an annular base 104 defining an aperture, first and second opposing major surfaces 107, 109, and a plurality of radial tabs 110 extending from the annular base 104, the radial tabs 110 terminating radially inwardly or radially outwardly and providing a peripheral surface; and a low friction layer 1104 overlaying the first major surface 107 of the push-on fastener body, wherein the peripheral surface 112a is free of low friction layer 1104.SELECTED DRAWING: Figure 3A
Owner:SAINT GOBAIN PERFORMANCE PLASTICS PAMPUS GMBH

Sealing mechanism and stirrer

The invention relates to the technical field of stirring equipment, in particular to a sealing mechanism and a stirrer. The sealing mechanism comprises a first sealing group and a second sealing group, the first sealing group is in sealing connection with the first rotating body, and the first sealing group is used for synchronously rotating with the first rotating body; the second sealing set is connected with the cover body in a sealed mode, the second sealing set is arranged on the periphery of the first sealing set in a sleeving mode and connected with the peripheral face of the first sealing set in a sealed mode, and the first sealing set can rotate relative to the second sealing set. The first sealing set and the first rotating body are relatively static, friction is reduced, the service life of the sealing mechanism is prolonged, meanwhile, the risk that chippings fall into slurry is reduced, and then the purity of materials is improved. Even if the first sealing group rotates and rubs relative to the second sealing group, scraps are generated on the outer peripheral surface of the first sealing group, and the scraps do not fall into the sealing area.
Owner:SHENZHEN YINGHE TECH

Winding device

The utility model discloses a winding device which comprises a machine frame, the machine frame is respectively provided with a pay-off rack used for placing material coils, a winding module and a servo driving motor used for driving the winding module to rotate, and a tension sensor and a pay-off roller are respectively arranged on the machine frame and located between the pay-off rack and the winding module. The servo differential motor is used for driving the pay-off roller to rotate, the rotating speed ratio of the rotating speed of the pay-off roller to the rotating speed of the winding module is 0.7-0.9: 1, and a winding wire of a material coil is connected to the winding module sequentially through the pay-off rack, the pay-off roller and the tension sensor. Through the design of the rotation speed ratio of the servo differential motor to the winding module servo motor, real-time feedback is combined with the tension sensor, the rotation speed of the pay-off roller is dynamically adjusted, accurate and stable control over winding tension is achieved, friction tensioning is not needed, and then the problem of wire damage caused by friction is effectively solved.
Owner:ZHONGSHAN CHANGWEN MASCH EQUIP CO LTD

Screw tap with automatic lubricating system

The utility model relates to the technical field of screw tap equipment, and discloses a screw tap with an automatic lubricating system, which comprises a main body mechanism, a connecting mechanism and an auxiliary mechanism, the main body mechanism further comprises a connecting pipe, a central control part and a tapping part, and the connecting pipe is fixedly arranged at the outer end of a detection module and is communicated with a cavity of a screw tap handle part; the center control part is fixedly installed at the end, away from the detection module, of the connecting pipe, and the tapping part is fixedly arranged on the outer surface of the screw tap body and used for drilling and laying threads. The screw tap body is fixedly connected with the machine tool transmission assembly in a clamped mode through the screw tap handle part, the detection module correspondingly compares the rotating speed of the screw tap body with the tapping pressure value, when lubrication is insufficient, the center control part extracts lubricating liquid to enter the screw tap handle part through the connecting pipe, the lubricating liquid evenly fills the tapping part under the action of centrifugal force and gravity, and the tapping effect is improved. Therefore, friction is reduced, abrasion is reduced, machining precision is improved, and the service life of the screw tap is prolonged.
Owner:YANGZHOU SUWO TOOLS CO LTD

Novel tray made of grinding wheel

The utility model provides a novel tray for manufacturing a grinding wheel, which comprises a tray body placed on a track and a placing hole arranged on the tray body, a support plate is arranged in the placing hole, and a mold is arranged on the support plate. The groove is formed in the end face of the inner side of the placing hole; the rollers are arranged in the grooves, connected with pin shafts and fixed to the tray through the pin shafts, the diameter of the containing holes is smaller than the diameter of the upper end edge of the mold and larger than the diameter of the lower end of the mold, the bottom of the mold is in contact connection with the upper end face of the supporting plate, and the grooves are of an annular structure and are concave towards the inner side of the tray. A groove is formed in the lower portion of the die, a space is formed, the roller is placed in the groove, and the outer side circle of the roller is exposed out of the groove and is in contact connection with the outer side face of the lower portion of the die, and the die has the advantages that materials can be leveled, friction force is reduced, and the die can rotate stably.
Owner:RUILIT NEW MATERIALS (HENAN) CO LTD

Heating device, fixing device, and image forming apparatus

The present application provides a heating device, a fixing device and an image forming apparatus, which can inhibit the heat conductive material from separating from between the heat pipe and the planar heating member due to the friction reducing material mixing into the heat conductive material, compared with the case where the surface tension of the friction reducing material coated on the inner circumferential surface of the belt heated by the planar heating member is equal to that of the heat conductive material. The heating device comprises: a planar heating member which heats a heated body by heating in a length direction; a heat pipe which is arranged to contact the planar heating member on the side opposite to the heated body in the length direction; a friction reducing material which is coated on the region where the planar heating member contacts the heated body to reduce the friction resistance between the planar heating member and the heated body; and a heat conductive material which is interposed between the planar heating member and the heat pipe, and the surface tension of which is different from that of the friction reducing material by 3 (mN / m) or more.
Owner:FUJIFILM BUSINESS INNOVATION CORP

Thixotropic slurry, preparation method and application of thixotropic slurry in pipe jacking construction of water-rich mud-containing gravel pebble stratum

The invention discloses double-thixotropic slurry, a preparation method and application of the double-thixotropic slurry in water-rich mud-containing gravel pebble stratum pipe jacking construction, bentonite, a dispersing agent, a thickening stabilizer CMC and 70-80% of total water are mixed according to a preset proportion, stirring is conducted for 15-20 minutes at the rotating speed of 250-350 r / min, and uniform suspension liquid is formed; mixing and dissolving the residual water with xanthan gum, a flocculating agent and an anti-collapse agent, adding into the suspension liquid in the step S1, and stirring for 10-15 minutes at the same rotating speed; and adding the nano lubricant, stirring for 5-10 minutes at the rotating speed of 250-350r / min, and standing for 24 hours to form the thixotropic slurry. The lubricant is one or a combination of more of nano silicon oxide, nano aluminum oxide, nano zinc oxide, nano cellulose and nano carbon. The nano material is used as the lubricant, so that the friction coefficient can be obviously reduced, the energy loss in the friction process is reduced, the flowing property of the slurry can be improved, and the stability of the thixotropic slurry is enhanced.
Owner:ZHEJIANG HYDROPOWER CONSTR & INSTALLATIONCO

Wear determination method for friction reducing member and industrial machinery

To provide a wear determination method capable of determining a wear state of a friction reducing member arranged in a movable member without disassembly of the movable member.SOLUTION: A wear state of a friction reducing member, i.e., a bush (35), that rotatably connects a movable member (15, 16, 18) provided in an industrial machinery (1), is determined by a color of grease (50, 51) externally leaked from the bush (35) and a pin (36).SELECTED DRAWING: Figure 4
Owner:THE JAPAN STEEL WORKS LTD

An assembling method of a split combined overlock machine housing

The application discloses a kind of assembly methods of split combined overedger cabinet, including split combined overedger cabinet including rear shell and front shell, rear shell and front shell are integrally cast into shape respectively, rear shell is provided with rear assembly surface and rear half hole, front shell is provided with front assembly surface and front half hole, positioning hole is formed on the rear assembly surface of rear shell and the front assembly surface of front shell, positioning pin is inserted in the positioning hole, when rear assembly surface and front assembly surface are completely adhered, rear half hole and front half hole are spliced into main shaft hole, one end of positioning pin is inserted into the positioning hole on rear assembly surface.The overedger cabinet is improved, the traditional integrated cabinet is divided into assembled cabinet, and the roundness of the spliced main shaft hole is detected during assembly, which can improve the assembly yield;It can also ensure that the assembled cabinet can provide effective support for the main shaft, reduce friction when the main shaft rotates, and prolong the service life of the equipment.
Owner:PEGASUS(TIANJIN) SEWING MACHINE CO LTD

Adjustable anti-falling bush for impeller blade handle shaft of induced draft fan

The utility model provides an adjustable induced draft fan impeller blade handle shaft anti-falling bush, which relates to the technical field of bushings, and comprises a hub, blades and a flange, and the outer end part of the hub is provided with a blade handle hole. The wear-resistant composite flange bushing with the flange structure is arranged between the flange and the hub, and the flange is mounted on the inner side of the blade handle hole, so that when a centrifugal force is generated during operation of the fan rotor, the flange directly blocks the flange bushing from moving outwards, the effect of the centrifugal force on the flange bushing is counteracted, the flange bushing is effectively prevented from falling off from the blade handle hole, and the service life of the fan rotor is prolonged. The problems of rotation jamming of the blade handle shaft, failure of a blade adjusting function, drifting of movable blades, aggravation of equipment operation vibration and the like caused by falling of the flange lining are avoided, safe and stable operation of a unit is guaranteed, meanwhile, the flange lining is made of a composite material, the composite material has self-lubricating performance and abrasion resistance, the lubricating effect of the blade handle shaft when the blade handle shaft rotates in the blade handle shaft hole is guaranteed, and the service life of the blade handle shaft is prolonged. Friction loss is reduced, and the service life of parts is prolonged.
Owner:福建华电永安发电有限公司

Shredding returning mechanism

The utility model discloses a wire returning mechanism, which relates to the technical field of wire cutting equipment and comprises a roller rewinding module, a front guide module and a rewinding pressing module. The front guide module is arranged in the wire inlet direction of the roller rewinding module and stably guides the molybdenum wire through a guide-in pipe, a middle guide device and a guide-out pipe, friction is reduced through a guide wheel of the middle guide device, and linear transmission of the molybdenum wire is guaranteed. According to the roller rewinding module, a rewinding driving motor drives a roller to rotate through a speed reducer, the lower portion of the molybdenum wire is wound, the upper portion of the molybdenum wire is released, and the number of winding turns is kept unchanged. The rewinding and pressing module is installed on the upper portion of the roller rewinding module, an air cylinder drives a lifting frame and a pressing wheel to press downwards, and auxiliary pressing force is applied when the molybdenum wire is wound, so that the molybdenum wire is wound tightly and neatly. The wire returning mechanism is simple in structure and convenient to operate, the molybdenum wire winding quality can be effectively improved, the use cost is reduced, the reliability and applicability of wire cutting equipment are enhanced, and the wire returning mechanism has good application prospects.
Owner:HUIZHOU HONGYAO INTELLIGENT EQUIPMENT CO LTD

A friction reducing coated tile assembly for an elevator

The utility model discloses a kind of rubber-coated tile assemblies of elevator to reduce friction, including two arc-shaped tiles of symmetrical arrangement, the outer side wall of two arc-shaped tiles is equipped with rubber coating, the side of two arc-shaped tiles close to both ends is equipped with fixed mechanism;The fixed mechanism includes fixed ring fixedly arranged on the side wall of two arc-shaped tiles, fixed bolt and fixed nut that are mutually matched are equipped between two adjacent fixed rings;The outer side wall of both ends of two arc-shaped tiles is fixedly equipped with arc-shaped mounting piece, and the side wall of arc-shaped mounting piece is provided with a plurality of evenly distributed mounting holes.The utility model realizes convenient disassembly and assembly by fixed mechanism and arc-shaped mounting piece, simplifies maintenance process;Through arc-shaped tile splicing, with baffle ring fixed and the strip-shaped anti-skid groove on the surface of rubber coating, effectively avoid the slip between rubber-coated tile and winding drum, improve running stability.
Owner:HEFEI DELAN MASCH CO LTD

Preparation method of pincer type structure carbon ceramic friction plate and product

The invention belongs to the field of carbon-ceramic friction plates, and discloses a preparation method and a product of a pincer type structure carbon-ceramic friction plate, the method comprises the following steps: mixing phenolic resin, titanium carbide, boron nitride, silicon carbide, graphite and carbon fiber to obtain first mixed powder; adding the first mixed powder into a mold, and preheating to obtain a blank; sequentially putting the blank into a drying oven, a cracking furnace and a heat treatment furnace for pretreatment to obtain a porous preform; performing vacuum infiltration treatment on the porous preform and the second mixed powder to obtain a carbon-ceramic friction plate; the second mixed powder is composed of FeSi85 and Cu, and the mass ratio of the FeSi85 to the Cu is 90: 10; titanium carbide reacts with silicon in the infiltration process to generate Ti3SiC2, and Ti3SiC2 has the characteristics of metal and ceramic, has high melting point, high strength, high thermal conductivity and high toughness, and can effectively stabilize the friction process and reduce the fluctuation of the friction coefficient.
Owner:CHANGAN UNIV