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35results about How to "Reasonable service life" patented technology

Corrosion resistant automatic splice

ActiveUS7799996B2Eliminates material buildupEliminating corrosive elementsCable junctionsClamped/spring connectionsEngineeringCorrosion resistant
A corrosion resistant automatic splice having a housing with opposed first and second ends, an interior cavity between the ends, and a plurality of drainage openings disposed between an exterior surface of the housing and the interior cavity. The first and second ends are each adjacent a biasing member or spring. A semi frustoconical gripping jaw or clamp is located at each of the first and second ends adapted for receiving a cable. The drainage openings aid in voiding corrosive contaminants from the interior cavity of the splice.
Owner:HUBBELL INC

Corrosion Resistant automatic splice

ActiveUS20090298358A1Eliminate corrosive material buildupEliminates material buildupClamped/spring connectionsCorrosion resistantInternal cavity
A corrosion resistant automatic splice having a housing with opposed first and second ends, an interior cavity between the ends, and a plurality of drainage openings disposed between an exterior surface of the housing and the interior cavity. The first and second ends are each adjacent a biasing member or spring. A semi frustoconical gripping jaw or clamp is located at each of the first and second ends adapted for receiving a cable. The drainage openings aid in voiding corrosive contaminants from the interior cavity of the splice.
Owner:HUBBELL INC

High-performance composite brake disc material

The invention discloses a high-performance composite brake disc material, the wear resistant material comprises the following raw materials: bisphenol a novolac epoxy resin, diaminodiphenyl sulfone, hollow microspheres, a lubricant, a silane coupling agent, diamine, an imidazoles compound, an anti-oxidant, chloroprene rubber powder, alumina and reinforced fibers. The reinforced fibers can be a mixture of zylonite fiber, aramid fiber, cotton fiber and ramie fiber; the interface combination of fiber and particles in the materials is good, and the fiber and particles in the materials enable synergistic interaction with antimonony oxide and graphite, generation of thermal decomposition, heat attenuation and heat cracks phenomena can be effectively reduced, thermal conductivity of the materials is good, heat generated when brake friction is carried out can be timely radiated, brake disc surface temperature can be rapidly reduced, high temperature heat attenuation is reduced, hollow microspheres, the lubricant, the silane coupling agent and the enhance fiber are specific, friction coefficient of the wear resistant materials can be enhanced by intermolecular cooperation of the substances, and stability of the friction coefficient can be improved simultaneously.
Owner:CHONGQING JIAOTONG UNIVERSITY

Automatic observing and controlling method for roasting heat accumulating type steel ladle and the device using the method

InactiveCN101121200AImprove roast qualityPrevent from being baked throughCasting safety devicesVolumetric Mass DensitySmoke
The present invention discloses an automatic measurement and control method for the heating regenerative ladle comprising an automatic measurement and control method for ladle internal lining, an automatic measurement and control method for the smoke and dust density in the flue exhaust and an automatic measurement and control method for flue exhaust temperature. The present invention also discloses an automatic measurement and control method for the heating regenerative ladle comprising an automatic measurement and control method for ladle internal lining, an automatic measurement and control method for the smoke and dust density in the flue exhaust and an automatic measurement and control method for flue exhaust temperature; the present invention can ensure the sufficient burning of fuel and the heating quality of the ladle; the present invention can thoroughly remove the defect that the smoke and dust will pollute the environment and the energy-saving effect is obvious.
Owner:江苏兴利来特钢有限公司

Dedicated lubricating liquid for rolling cupper and copper alloy and its prepn. method

A special lubricating liquid for rolling copper and copper alloy is prepared from 32# universal engine oil, 7# universal engine oil, petroleum sulfosodium, emulsifier and white oil. The deionized water is added some time according to rolling condition. The process for preparing the lubricating liquid includes mixing, agitating or diluting and heating in circulation node with heating temp of 30-50 deg.C.
Owner:洛阳铜加工集团有限责任公司

Wear-resistant material for brake block of heavy duty automobile

The invention discloses a wear-resistant material for a brake block of a heavy duty automobile. The wear-resistant material comprises raw materials as follows: bisphenol A novolac epoxy resin, diaminodiphenyl sulfone, mineral powder, a lubricant, a cross-linking agent, chloroprene rubber powder, aluminum oxide, cotton fiber, carbon fiber, aramid fiber, sisal fiber, antimonous oxide, graphite and calcium lignosulfonate. The components are compatible, so that the overall performance of the wear-resistant material is effectively guaranteed, the components can make up for defects in performance mutually and can have high performance due to mutual restriction functions, problems of existing brake blocks are solved, high-speed decline and high-temperature decline can be well prevented, and the wear-resistant material has advantages of better stability and long service life.
Owner:CHONGQING JIAOTONG UNIVERSITY

Groove-shaped checking gauge with V-belt pulley

The invention discloses a groove-shaped checking gauge with a V-belt pulley. The checking gauge comprises a body, wherein head groove die teeth are arranged on one side of the body, two groove spacing die teeth connected with each other in parallel are arranged on the other side of the body, and the head groove die teeth are identical to the groove spacing die teeth. As the technical scheme is adopted, the checking gauge can ensure the knife-shaped cutter grinding accuracy and the equal-divided center verticality of a knife-shaped angle cutter during clamping, improve the appearance of a workpiece and the quality of the physical dimension so that a belt has reasonable service life, and improve the working efficiency.
Owner:浙江红马铸造有限公司

Method for preparing emulsion for rolling copper and copper alloy

InactiveCN1699529ALow viscosityGood volatilityAdditivesEmulsionEmulsified oil
The invention provides a method for preparing emulsion for rolling copper and copper alloy, wherein the emulsified oil is prepared mainly from universal machine hydraulic-oil 10-20%, machinery oil 50-70%, sodium sulfonate of petrodeum 5-10%, 0-10 emulsifying agent 10-20%, industrial white oil 5-10% through mixing, heating, mixing, charging into 90-97% deionized water, stirring and diluting.
Owner:LUOYANG COPPER PROCESSING GROUP

Seawater desalination device and method

The invention discloses a seawater desalination device and method, the seawater desalination device is provided with a pipe-type NdFeB inner strong magnet, through pretreatment of seawater, calcium and magnesium ions in heavy salts are decomposed to soften and loosen the heavy salts, and crystals can be prevented from attaching to and blocking reverse osmosis membrane holes, so that the reasonableservice life of a membrane can be prolonged; in addition, by the installation of the pipe-type NdFeB inner strong magnet, complex links needing filtration and removal after adding of a sterilizationagent in a traditional seawater desalination process can be reduced, the production process can be simplified; the salt content falls 20 ppm or below after two-stage reverse osmosis membrane filtration, and meets drinking water standards; the seawater desalination device has the advantages of reduced volume, high efficiency and environmental protection, and improves economic benefits; the longestservice life of the reverse osmosis membrane in the seawater desalination device can reach about 3 years. In the seawater desalination method, an appropriate magnetic field strength and water flow velocity through a magnetic field are determined, so that the decomposed calcium and magnesium ions are still in a loose and dispersed state when passing through the reverse osmosis membrane and do not scale in the membrane holes.
Owner:上海雷鸣水处理技术有限公司

Mandrel screw-on machine pre-screwing and auxiliary machine device

A mandrel screw-on machine pre-screwing and auxiliary machine device comprises a PLC control system and further comprises a rotating pre-screwing mechanism, a double-carrier-roller mechanism, pull rod driving mechanisms and supporting carrier roller mechanisms, wherein the rotating pre-screwing mechanism and the double-carrier-roller mechanism form a pre-screwing mechanism assembly, inlet and outlet mechanism assemblies which are respectively composed of each pull rod driving mechanism and a plurality of sets of the supporting carrier roller mechanism are arranged at the two ends of the pre-screwing mechanism assembly respectively, the pull rod driving mechanisms are connected with the plurality of sets of supporting carrier roller mechanisms through pull rods, and the rotating pre-screwing mechanism, the double-carrier-roller mechanism, the pull rod driving mechanisms and the supporting carrier roller mechanisms are all connected with the PLC control system. The mandrel screw-on machine pre-screwing and auxiliary machine device solves the problem that imported equipment is relied at present, fills in gaps in mandrel screw-on equipment localization, and particularly solves the technical problem that a mandrel with a phi 460mm large diameter can not be screwed in a standard mode.
Owner:GANSU LANPEC TECH +3

Pavement snow removing and deicing device for residential areas

The invention discloses a pavement snow removing and deicing device for residential areas. The pavement snow removing and deicing device for residential areas comprises a frame, an industrial brine tank, a snow removing and deicing plate, a rotary nozzle, a salt particle tank and a sliding chamber; the industrial brine tank is also fixedly arranged on the upper surface of the frame; the rotary nozzle is also fixedly arranged on the lower surface of the frame; the upper part of the rotary nozzle communicates with the interior of the industrial brine tank through a water pipe; the snow removingand deicing plate is also arranged on the lower surface of the frame; the sliding chamber is also formed in the frame; a sliding block is slidingly arranged on the internal wall of the sliding chamber; the upper surface of the sliding block is fixedly connected with the bottom end of a screw rod; the lower surface of the sliding block is fixedly connected with one end of a spring; a rotating shaftis rotationally mounted on the sliding block; a stirring roller is fixedly arranged at one end of the rotating shaft; and the salt particle tank is also fixedly arranged on the lower surface of the left end of the frame. According to the pavement snow removing and deicing device for the residential areas, the structure is simple, the design is reasonable, salt particles and accumulated snow are effectively mixed by using the stirring roller, the accumulated snow melting efficiency is enhanced, the snow removing effect is further improved by arranging the rotary nozzle and the snow removing and deicing plate, and the practicability is good.
Owner:周国京

Rigid suspension system device for overhead contact line

The invention discloses a rigid suspension system device for an overhead contact line. The rigid suspension system device for the overhead contact line comprises a suspension device fixed to the top of a tunnel, an insulator fixed to the suspension device, and a busbar suspended on the insulator, wherein the contact line is fixed to the lower portion of the busbar, the upper portion of the insulator is fixed to the suspension device through a screw, and a pestle head type connector is arranged on the lower portion of the insulator; meanwhile, a clamping groove is formed in the upper portion of the insulator, the section of the clamping groove is open upwards and is of a semi-surrounding type, and the connector enters the clamping groove from one end of the clamping groove and then is clamped in the clamping groove. The rigid suspension system device for the overhead contact line has the advantages that the probability of getting stuck can be prevented or lowered, a locomotive well receives flow, and traveling safety is guaranteed.
Owner:CHINA CREC RAILWAY ELECTRIFICATION BUREAU GRP +2

Assembled mould structure with self-contained sliding core power

The invention discloses an assembled mould structure with self-contained sliding core power, which comprises a fixed mould and a movable mould matched with each other, wherein the working face of the movable mould is encrusted with movable mould units, the middle part of each movable mould unit is provided with a movable cavity, and the periphery of each movable mould unit is provided with three sets of sliding core units at an interval of equal radian along the center of the movable cavity; each sliding core unit is equipped with a slide block, and the external end side of the slide block is provided with an obliquely arranged hollow lantern ring; the contact face of the fixed mould is embedded with fixed mould units, the middle part of each fixed mould unit is provided with a fixed cavity, and the periphery of each fixed mould unit is provided with three sets of driving units at an interval of equal radian along the center of the fixed cavity; and each driving unit is internally equipped with a protruded and obliquely arranged driving shaft. The assembled mould structure of the invention has the advantages that: by using the structure of splicing inclined shafts and sleeves, the operation of the slide blocks can be realized without other external power; the same module is equipped with four sets of module units; the processing efficiency is high; and all units are in bolted connection, so the maintenance is quick and convenient.
Owner:NINGBO HUASHUO MOLDING & MACHINE

Cloud platform-based community service system

The invention discloses a cloud platform-based community service system, which comprises a safety management system and a logistics system. The safety management system comprises a monitoring center. The monitoring center is connected with a controller through a network interface. The controller is in communication connection with a pedestrian access entrance guard, a camera device, a human face recognizer, a fingerprint module and a two-dimensional code scanning module. The monitoring center is connected with a computer and a data center. The logistics system comprises a freight information server. The freight information server is connected with a logistics control server through a wireless communication module. The logistics control server is in communication connection with an intelligent express cabinet. The intelligent express cabinet comprises a plurality of storage boxes. Each storage box comprises a box body, and the box body is connected with a box cover through a rotating shaft. The opened end of each box body is provided with a U-shaped groove. The box cover is provided with a U-shaped bulge matched with the U-shaped groove. A rubber sleeve is sleeved on the outer wall of the U-shaped bulge. The intelligent express cabinet has the dustproof function.
Owner:成都海蜃网络科技有限公司

Barreled water tray and processing method thereof

The invention discloses a barreled water tray which comprises a tray body. The two sides of the tray body are each provided with two concaved lift handles; circular barrel base grooves distributed in a rectangular array are formed in the upper surface of the tray body; the back surface, corresponding to the barrel base grooves, of the tray body is provided with barrel neck grooves; the barrel base grooves and the barrel neck grooves are communicated through communicating holes. The barreled water tray is reasonable in structural design and convenient to use, assemble and disassemble; in the transportation process, bases and barrel necks of mineral water barrels are both fixed, displacement cannot occur, and therefore the technical problems that in the prior art, the mineral water barrels are inconvenient to transport and prone to be broken are effectively solved.
Owner:SHANDONG LIYANG IND & TRADE

Easy-to-replace car speaker

The purpose of the present invention is to solve the problem that the existing loudspeaker is inconvenient to replace, and discloses an easy-to-replace automotive loudspeaker, including a first sleeve and a second sleeve, and the right side of the first sleeve surface is evenly installed There is a first connecting block, the first magnetic block is fixedly installed on the right side of the first connecting block, the second connecting block is uniformly installed on the left side of the second sleeve surface, and the left side of the second connecting block is fixedly installed For the second magnetic block, wires are installed on the first sleeve, a support rod is fixedly installed on the lower side of the second sleeve, a fixed plate is fixedly installed on the lower side of the support rod, and a fixed plate is symmetrically installed on the fixed plate. Fastening screws, the first protective cover is installed on the left side of the first sleeve, and the second protective cover is installed on the right side of the second sleeve. The invention facilitates the separation of the first sleeve and the second sleeve by arranging the first magnetic block and the second magnetic block, thereby facilitating the replacement of the core inside the loudspeaker, and has simple structure, reasonable design, safety and reliability.
Owner:戚锦恒

Water conservancy project river channel trash holding device and installation method thereof

The invention discloses a water conservancy project riverway trash holding device and an installation method thereof. The water conservancy project riverway trash holding device comprises a trash holding frame, wherein a reinforcing assembly is arranged on the trash holding frame; the trash holding frame is formed by splicing trash holding grid plates; every two adjacent trash holding grid plates are fixedly connected through a connecting piece; a fixing rod is arranged on each connecting piece in a penetrating mode; the bottom end of each fixing rod is inserted into a riverbed; and the fixing rods are limited and fixed on the connecting piece through limiting nuts. The installation method comprises the following steps of 1) splicing the trash holding frame; (2) installing the reinforcing assembly; (3) lifting and placing the trash holding frame; and (4) installing a floating cylinder. The water conservancy project riverway trash holding device is firm in structure, can resist the impact force of water flow and cannot easily deform and get loose; the trash holding frame is reinforced through the reinforcing assembly, so that the structural strength and stability of the whole device are guaranteed, and the structural safety performance is improved; meanwhile, the structure of the trash holding frame is further designed, the firmness and the trash holding effect of the trash holding frame are guaranteed; and the whole device is fixed onto the riverbed in cooperation with the fixing rods, so that the placement firmness of the trash holding device in a riverway is ensured.
Owner:NINGBO UNIVERSITY OF TECHNOLOGY

Nitrile rubber and PVC mixed vulcanization floor

The invention discloses nitrile rubber and a PVC mixed vulcanization floor. Arc skid-resistant particles have the skid-resistant function and are used as a foot massager. The naked foot steps on the arc skid-resistant particles, the good massaging effect to the foot is achieved, and people feel more relaxed. The human body constitution can be gradually improved by an electric material, wherein mineral substances are gradually absorbed by a human body, and the constitution of the people is reinforced. A rubber material is added so that the whole skid-resistant layer has the some elasticity, andthe foot of the people cannot be injured because of the overhard skid-resistant layer. A nitrile rubber oil-resistant layer is mainly manufactured by a nitrile rubber material. Generally, the contentof acrylonitrile in the nitrile rubber material is larger, and the oil resistance is better, but the cold resistance is correspondingly reduced. The floor is provided with a first insulating layer. An integrated structure is formed between the nitrile rubber oil-resistant layer and the first insulating layer in a mutual extrusion molding mode, so a problem that the cold resistance of the floor isnot enough is remedied by the structure, and the service life of the floor is improved.
Owner:金亿源(江苏)新材料有限公司

One-piece sea wave electric generator

The invention provides a one-piece sea wave electric generator. The one-piece sea wave electric generator comprises power supply boxes, floatation-promotion boxes used for the power supply boxes, electric generator body stands, floatation-promotion boxes used for the electric generator body stands, storage batteries, electric generator bodies and one-piece turning wheels. The one-piece sea wave electric generator has the beneficial effects that the application range is wide, and the one-piece sea wave electric generator basically can be suitable for meeting the electricity generation requirements of various sorts of different sea areas; manufacturing cost is low, and modular production or industrial production can be realized; installation is convenient and fast; generating efficiency is high, the problem that electricity utilization is difficult at special areas is solved, the problem of seawater corrosion or the problem that the service life of a generating set is short can be solved, and the basic fixation problem of the position of the generating set is also solved; the problems of consistency of the generating device and the sea wave direction and automatic adjustment are solved; the problem that an anchor chain or an anchor cable does not generate tractive force towards the seabed to the generating set is solved, and the problem that cables are connected with seabed, island and land power grids by the aid of the anchor chain or the anchor cable is further solved; the problem of being poor in wave-wind resistance due to the fact that the size of a floating ball is excessively large is solved, and the adverse impact on the generating set by sea wave strength is weakened; and application and popularization are facilitated.
Owner:宋朋东

A tail rotate baffle device of a vehicle transport vehicle

The invention discloses a A tail rotate baffle device of a vehicle transport vehicle which includes a vehicle transport vehicle body, A transport frame is fixed on the vehicle transport vehicle body,both sides of the tail of the transport frame are welded with fixing rods, one end of the fixing rod is welded with a fixing plate, Between that two group of the fixed plate, a rotating baffle plate is arranged, A mount groove is provided on the transport frame, A rotating lever is arranged in the mounting groove along the length direction, The bottom of the rotating baffle plate is welded with two sets of fixing blocks, the two sets of fixing blocks are fixedly sleeved on the rotating lever, one end of the rotating lever is connected with a rotating handle, a circular hole is formed on the fixing plate, a fixing pin is arranged in the circular hole, and one side of the fixing plate is rotatably connected with a rotating plate. The invention has the advantages of simple structure, reasonable design, simple rotation operation of a rotating baffle plate at the rear part of a vehicle transport vehicle, firm fixation, improved safety of vehicle transport, and effective reduction of collision between the vehicle and the rotating baffle plate.
Owner:长久汽车制造有限公司

Single well metering method and device

The invention discloses a single well metering method which is characterized by including the steps: firstly, enabling a medium in a well to flow into a heating pipeline from an inlet pipeline, acquiring the initial temperature of the medium by a first temperature sensor on the heating pipeline, and transmitting the initial temperature to RTU through a signal line; secondly, heating the medium bya first anti-explosion flame-retardant heating device and a second anti-explosion flame-retardant heating device on the heating pipeline, enabling the heated medium to flow into an output pipeline, acquiring temperature of the heated medium by a second temperature sensor on the heating pipeline, and transmitting the temperature to the RTU through a signal cable; thirdly, calculating the mass M ofthe medium by the RTU through acquired temperature difference of an inlet and an outer and a formula M=Q / C / (T2-T1). The method cannot be affect by gas and is accurate in metering, the service life ofa metering device is prolonged when the device is used for the application places containing high sand and wax, the metering device cannot be easily damaged and is novel in structure, reasonable in design, reliable in working, high in automation degree, convenient to maintain and simple and convenient to install, and labor output is reduced.
Owner:北京富机达能电气产品股份有限公司

One-piece wave generator

The invention provides a one-piece sea wave electric generator. The one-piece sea wave electric generator comprises power supply boxes, floatation-promotion boxes used for the power supply boxes, electric generator body stands, floatation-promotion boxes used for the electric generator body stands, storage batteries, electric generator bodies and one-piece turning wheels. The one-piece sea wave electric generator has the beneficial effects that the application range is wide, and the one-piece sea wave electric generator basically can be suitable for meeting the electricity generation requirements of various sorts of different sea areas; manufacturing cost is low, and modular production or industrial production can be realized; installation is convenient and fast; generating efficiency is high, the problem that electricity utilization is difficult at special areas is solved, the problem of seawater corrosion or the problem that the service life of a generating set is short can be solved, and the basic fixation problem of the position of the generating set is also solved; the problems of consistency of the generating device and the sea wave direction and automatic adjustment are solved; the problem that an anchor chain or an anchor cable does not generate tractive force towards the seabed to the generating set is solved, and the problem that cables are connected with seabed, island and land power grids by the aid of the anchor chain or the anchor cable is further solved; the problem of being poor in wave-wind resistance due to the fact that the size of a floating ball is excessively large is solved, and the adverse impact on the generating set by sea wave strength is weakened; and application and popularization are facilitated.
Owner:宋朋东

Taper sleeve type limiting device for lifting mechanism of roller-bit hole rig

The invention provides a taper sleeve type limiting device for a lifting mechanism of a roller-bit hole rig, and in particular relates to a limiting device for limiting the up-and-down moving of the lifting mechanism of the roller-bit hole rig. The device comprises an upper fixing seat, a lower fixing seat, a steel wire rope, an outer sleeve, an inner sleeve and a travel switch; the upper fixing seat and the lower fixing seat are respectively arranged on the top part and the bottom part of a drilling stand; the steel wire rope vertically passes through the inner sleeve; the upper end of the steel wire rope is fixed to the upper fixing seat, and while the lower end of the steel wire rope is fixed to the lower fixing seat; at least one fastening screw is arranged at the lower part of the inner sleeve and fixed to the steel wire rope; the outer sleeve sleeves the inner sleeves; the travel switch is arranged on the outer sleeve, and a movable contact roller is joined with the inner sleeve. The taper sleeve type limiting device for the limiting mechanism of the robber-bit hole rig has the advantages that the rigid contact of the original limiting device is replaced by flexible contact, and therefore, the service life of the travel switch is greatly prolonged, the safety and reliability of the roller-bit hole rig in running are improved, the times of replacing the travel switch is reduced, the mounting is convenient, the safety accident can be avoided, the potential risk is removed, and meanwhile, the consumption of spare parts of the travel switch is decreased, and as a result, the production cost is decreased.
Owner:MAGANG (GROUP) HOLDING CO LTD +1

Assembled mould structure with self-contained sliding core power

The invention discloses an assembled mould structure with self-contained sliding core power, which comprises a fixed mould and a movable mould matched with each other, wherein the working face of the movable mould is encrusted with movable mould units, the middle part of each movable mould unit is provided with a movable cavity, and the periphery of each movable mould unit is provided with three sets of sliding core units at an interval of equal radian along the center of the movable cavity; each sliding core unit is equipped with a slide block, and the external end side of the slide block isprovided with an obliquely arranged hollow lantern ring; the contact face of the fixed mould is embedded with fixed mould units, the middle part of each fixed mould unit is provided with a fixed cavity, and the periphery of each fixed mould unit is provided with three sets of driving units at an interval of equal radian along the center of the fixed cavity; and each driving unit is internally equipped with a protruded and obliquely arranged driving shaft. The assembled mould structure of the invention has the advantages that: by using the structure of splicing inclined shafts and sleeves, theoperation of the slide blocks can be realized without other external power; the same module is equipped with four sets of module units; the processing efficiency is high; and all units are in bolted connection, so the maintenance is quick and convenient.
Owner:NINGBO HUASHUO MOLDING & MACHINE

Mandrel screw-on machine pre-screwing and auxiliary machine device

A mandrel screw-on machine pre-screwing and auxiliary machine device comprises a PLC control system and further comprises a rotating pre-screwing mechanism, a double-carrier-roller mechanism, pull rod driving mechanisms and supporting carrier roller mechanisms, wherein the rotating pre-screwing mechanism and the double-carrier-roller mechanism form a pre-screwing mechanism assembly, inlet and outlet mechanism assemblies which are respectively composed of each pull rod driving mechanism and a plurality of sets of the supporting carrier roller mechanism are arranged at the two ends of the pre-screwing mechanism assembly respectively, the pull rod driving mechanisms are connected with the plurality of sets of supporting carrier roller mechanisms through pull rods, and the rotating pre-screwing mechanism, the double-carrier-roller mechanism, the pull rod driving mechanisms and the supporting carrier roller mechanisms are all connected with the PLC control system. The mandrel screw-on machine pre-screwing and auxiliary machine device solves the problem that imported equipment is relied at present, fills in gaps in mandrel screw-on equipment localization, and particularly solves the technical problem that a mandrel with a phi 460mm large diameter can not be screwed in a standard mode.
Owner:GANSU LANPEC TECH +3

Motorcycle wiring harness movement durability test method

The invention discloses a motorcycle wiring harness movement durability test method. The method comprises 1) preparing a finished motorcycle to be tested and confirming that the wiring harness carrying out steering movement is normal and lamps, a horn, a starting motor and a lock switch are controlled normally, 2) vertically jacking up the whole motorcycle so that the front wheels are separated from the ground, 3) connecting a steering handle in one side of the motorcycle to a rocker arm of a shaking durability test tool so that the steering handle of the motorcycle continuously rotates from aleft steering limit of 3 degrees to a right steering limit of 3 degrees, 4) in the normal temperature environment, making the steering handle of the motorcycle turn back and forth by preset times, 5)after completing steering by the preset times, confirming the related parts and 6) replacing a novel main cable and repeating the steps 1-5, wherein the step 4 is carried out in a low temperature environment. The method can detect the durability of a wiring harness carrying out steering movement, can ensure if the service life and design of the wiring harness carrying out steering movement are reasonable, is easy to operate and has high detection efficiency and accurate and reliable detection results.
Owner:力帆科技(集团)股份有限公司

An Electron Linear Accelerator Diode Electron Gun with Replaceable Cathode

The invention provides an electron linear accelerator diode electron gun with a replaceable cathode. The electron linear accelerator diode electron gun comprises an anode, a cathode, a ceramic cylinder shell and a base of the electron gun. The anode is fixed in an anode flange. The cathode is installed in a beam forming electrode. The base covers the upper end of the ceramic cylinder shell. A cathode column is axially arranged in the ceramic cylinder shell. The upper end of the cathode column and the base are detachably connected, and the lower end and the upper end of the beam forming electrode are detachably connected. An upper electrode and a lower electrode which are mutually detachably connected are coaxially arranged in the cathode column. The upper end of the cathode is connected with the lower electrode through a cathode lead-out wire. The upper electrode penetrates through the base to be connected with a high voltage power supply through a connecting post. A silica gel band winds the external surface of the ceramic cylinder shell. The connecting part of the base and the ceramic cylinder shell is provided with silicone rubber used for preventing high voltage creepage through pouring. The electron linear accelerator diode electron gun is reasonable in structure, the replaceable cathode is convenient and the electron gun is stable and reliable in working so that the service life can be greatly prolonged, equipment use cost can be reduced and the effect of preventing high voltage creepage can also be realized.
Owner:ZHOUSHAN LEIDA ELECTRICAL TECH
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