63results about How to "Protective equipment" patented technology

The invention relates to the technical field of power equipment maintenance, in particular to a power equipment maintenance and transportation lifting device. The power equipment maintenance and transportation lifting device comprises a base, a support frame, a motor, a transmission gear, at least two screw rods and a carrier plate, wherein the support frame is fixed on the base; the screw rod isvertically arranged; one end of the screw rod is rotationally connected to the base, and the other end is rotationally connected to the support frame; the carrier plate is provided with a mounting hole corresponding to the screw rod; the carrier plate is connected with the screw rod through the mounting hole; the motor is fixed on the base; and the transmission gear is connected with the screw rodand the motor respectively. The device solves the problem of poor stability of the lifting device during lifting. Meanwhile, clamping and protection functions are added, thereby avoiding accidents, facilitating movement, improving flexibility, lowering maintenance cost, improving transportation efficiency and facilitating use.

The invention provides a double-layer quakeproof cabinet. The cabinet comprises an external layer cabinet, an internal layer cabinet and quakeproof seats, four corners at the bottom of the external layer cabinet are provided with circular holes, the internal layer cabinet is sleeved in the external layer cabinet, and the two sidewalls as well as the four corners of the top and bottom of the internal layer cabinet are connected with the external layer cabinet via the quakeproof seats respectively; and each quakeproof seat comprises a pedestal, a first spring, a second spring, a support rod and a limiting seat, the inner wall of the U-shaped pedestal is provided with internal threads, the bottom of the support rod is provided with an inverted-U-shaped accommodating groove, the first spring is arranged in a space from the bottom of the accommodating groove to the pedestal, the support rod is sleeved in the limiting seat with a through hole, an accommodation space is formed between place under the through hole of the limiting seat and the support rod, the second spring sleeves the support rod in the accommodation space, the outer wall of the limiting seat is provided with external threads, and the external threads are threaded with the internal threads at the inner wall of the pedestal. The cabinet of the invention is shockproof and can protect various devices in the cabinet.

The invention discloses mechanical polishing device facilitating chip collection. The mechanical polishing device comprises a bottom plate, wherein a connecting seat is arranged on the upper side of the bottom plate, and a connecting cover is arranged on the upper side of the connecting seat; telescopic rods are arranged inside the connecting cover, and clamping plates are arranged on the inner sides of the telescopic rods; sliding grooves are formed in the left side and the right side of the connecting cover, a first motor is arranged at the lower end inside one of the sliding grooves, a first screw rod is arranged on the upper side of the first motor, sliding blocks are arranged on the first screw rod and a polishing rod, and connecting rods are arranged on the inner sides of the slidingblocks; supporting plates are arranged inside the connecting rods, a second motor is arranged on the upper side of the supporting plate, a connecting shaft is arranged on the lower side of the secondmotor, a rotating plate is arranged on the lower side of the connecting shaft, and a connecting groove is formed in the lower side of the rotating plate; and a second sliding block is arranged insidethe connecting groove, a connecting rod is arranged on the lower side of the second sliding block, a connecting cross rod is arranged on the lower side of the connecting rod, and polishing rollers are arranged at the left end and the right end of the connecting cross rod. According to the polishing device, chips generated in the polishing process can be effectively collected by device conveniently so that the cleanness of the device can be effectively ensured, and the surrounding environment can be protected.

The invention discloses an environment-friendly composite stainless steel cleaning agent and a preparation method thereof. The environment-friendly composite stainless steel cleaning agent comprises organic acid citric acid, ammonium hydroxide, zinc salt, a chelating agent, a fluoride additive, a surface active agent, a defoaming agent and water. The zinc salt is zinc sulfate or zinc dihydrogen phosphate. The chelating agent is hydroxy carboxylic acid matter. The fluoride additive is NaF or Na2SiF6 or NH4HF2. The surface active agent is polyoxyethylene ether matter. When the cleaning agent isprepared, firstly, the zinc salt is added into water, and the zinc salt is completely dissolved uniformly; and the citric acid is added under the proper temperature, after stirring is carried out to complete dissolution, the ammonium hydroxide is added to adjust the PH, the fluoride additive, the chelating agent, the surface active agent and the defoaming agent are added sequentially, stirring iscarried out to obtain a solution homogeneous phase, and preparation of the environment-friendly composite cleaning agent is completed. The organic acid citric acid is used as main acid of the environment-friendly composite stainless steel cleaning agent, pollution to the environment is small, corrosion to equipment is small, waste liquid is easily treated, and three procedures including stainlesssteel oil removal, rust removal and passivation can be completed in one step during cleaning.

The invention discloses a method for eliminating flocculating flow blocking of an upper nozzle of a tundish. After replacement of a submersed nozzle in a flocculating flow state is invalid, a casting blank is pulled to a fast replacement position, a stopper rod is temporally closed to interrupt casting, a half submersed nozzle is used for replacing the original submersed nozzle obtained after flocculating flow blocking, oxygen is used for burning off inclusion in the upper nozzle of the tundish, then a new submersed nozzle is used for replacement, the stopper rod is opened to enable molten steel to smoothly flow down, and casting operation continues to be carried out. According to the method, the inclusion accumulated in the upper nozzle of the tundish is effectively removed so that the molten steel can be smoothly cast down through the upper nozzle; according to the method, damage of the long time and the low pull speed to equipment is eliminated, the equipment is protected to the largest degree, and the inner quality and outer quality of the subsequent casting blank are guaranteed; according to the method, flocculating flow blocking of the upper nozzle of the tundish can be eliminated within a short time, shutdown accidents are avoided, and production cost is greatly reduced; and the method is high in operability, safe, reliable and remarkable in application effect.

A dual-phase acid-based fracturing composition with corrosion inhibitors and method for use in acid-based matrix and fracturing operations in oil and gas wells is provided. The composition includes an acid, a hydrocarbon, a hydrocarbon-soluble corrosion inhibitor, an acid-soluble corrosion inhibitor, and an acid-soluble inhibitor aid.

The invention discloses a rotatable separation treatment device for medical waste. The rotatable separation treatment device comprises a base, wherein the left end and the right end of the base are respectively provided with a supporting rod, the upper side of the supporting rod is provided with a loading bearing seat, a connecting shaft is arranged inside the loading bearing seat on the right end, the left side of the connecting shaft is provided with a separation cavity, a stirring shaft is arranged inside the loading bearing seat on the left end, the upper side and the lower side of the stirring shaft are respectively provided with an electromagnet, four corners of the outer side of the separation cavity are respectively provided with a discharging pipe, the upper side and the lower side of the discharging pipe are respectively provided with a metal crushing cavity and a nonmetal crushing cavity, a disinfecting liquid storage cavity is respectively arranged between the metal crushing cavity and the nonmetal crushing cavity and the separation cavity, the outer ends of the left side and the right side of the disinfecting liquid storage cavity are respectively provided with a liquid discharging pipe, the outer side of the liquid discharging pipe is provided with a connecting cavity, the outer side of the connecting cavity is provided with a spray head, the left sides of the metal crushing cavity and the nonmetal crushing cavity are respectively provided with a third motor, and the right side of the third motor is provided with a crushing shaft. By adopting the rotatable separation treatment device, the metal and nonmetal in the medical waste can be effectively separated, disinfected and crushed, so that the metal and nonmetal can be convenient for people to recycle.

The invention discloses an adjustment mechanism capable of adjusting buffer power for a hammer crusher. The adjustment mechanism comprises a bottom plate, a discharge collection box, a crushing box, a belt transmission disc, a transmission roll and a crushing device, wherein the discharge collection box is formed in the upper part of the bottom plate; the crushing box is formed in the upper part of the discharge collection box; the transmission roll is fixedly connected to the outer side of the transmission shaft; a buffer power adjustment device is fixedly connected to the outer side of the transmission roll; the buffer power adjustment device and the crushing device are both located in a crushing roller; side anti-leakage plates are arranged at the two sides of the crushing roller; a planetary gear is arranged at the centre of each side anti-leakage plate; a finished product collection disc is arranged on the lower part of the outer side of the crushing roller; and the lower side of the finished product collection disc is connected with a discharge pipe. The adjustment mechanism disclosed by the invention is good in crushing effect, uniform in crushing, not liable to block, and capable of automatically adjusting a pressure, thereby prolonging the service life of equipment.

The invention relates to a filler for braided packing, and especially relates to a layered shear-mode sealing filler for rotary pumps and a preparation method thereof. The invention mainly solves the technical problems in the prior art that the packing sealing mode has great power consumption, severe shaft abrasion, and frequent pump body maintenance; a cooling device is required to be designed on a packing box, and heat is dissipated by the cooling device, which makes it difficult to realize generalized zero leakage; shutdown repair is required; inventory stock is performed for braided packing with various specifications; and thus the operation cost is increased, and resources are wasted. The preparation method of the invention comprises the following steps: adding asbestos-free mineral fibers, graphite, lubricating grease into a high speed mixer for mixing, fully stirring; performing kneading treatment of the mixture of asbestos-free mineral fibers, graphite, and lubricating grease; adding the kneaded mixture into a cavity of a plunger-type extrusion device for extrusion so as to obtain the finished product of a layered shear-mode sealing filler for rotary pumps.

The invention discloses an automatic packaging device for a bending deformation aluminum plastic foamed mask medical plate. The automatic packaging device for the bending deformation aluminum plastic foamed mask medical plate comprises a platform 1, a medical plate conveying chain plate 2, a loading slope 3, a boosting sloping plate 4 and a push plate 5. The connection relation and the connection structure of the automatic packaging device for the bending deformation aluminum plastic foamed mask medical plate include that the medical plate conveying chain plate 2 is arranged on the platform 1, the loading slope 3 is fixed on a surface of the platform 1, the boosting sloping plate 4 is arranged at the tail end of the loading slope 3, and the push plate 5 clamps the medical plate and boosts the sloping plate 4 to swing. The automatic packaging device for the bending deformation aluminum plastic foamed mask medical plate has the advantages that the bending deformation medical plate and an instruction book can be pushed into a medical box automatically, conveniently and fast, the conveying chain plate and a push rod cannot be damaged, and the impossibility of the automatic packaging of a bending deformation medical plate machine is changed into possibility.

The invention discloses a portable ophthalmic instrument washing and disinfecting device, and relates to the field of ophthalmic instrument equipment. The problem that instruments are not easy to washis solved. The device specifically comprises a shell, a washing sleeve is connected to the inner wall of the top of the shell in a clamping mode, a lifting sleeve is connected to the inner wall of the washing sleeve in a sliding mode, a washing and disinfecting mechanism and a rotating mechanism are arranged on the inner wall of the lifting sleeve, four washing chambers are arranged on the outerwall of the rotating mechanism, and a sealing plate is connected to the circumferential inner wall of each cleaning chamber. By arranging the washing chambers, the instruments needing to be washed areplaced on washing nets, the four washing chambers sequentially pass through the washing and disinfecting mechanism, disinfecting and washing are conducted, arc-shaped extrusion heads without edges and corners are arranged, four evenly-distributed extrusion blocks are controlled to rotate, then extrusion cones are sequentially jacked up, the elastic washing nets can be extruded through the extrusion heads to vibrate the instruments and shake off impurities adsorbed to the washing nets; and meanwhile, the positions of the instruments are changed, and the washing effect is improved.

The invention provides an intelligent safe coupling and a work method thereof. According to a novel intelligent safe coupling, real-time dynamic torque is used for controlling an execution mechanism to enable a drive side and a driven side of the coupling to be rapidly separated; a control system on the coupling compares real-time torque data detected by a torque sensor and compares the data withpre-selected set torque value, if the real-time torque exceeds the preset torque value, the control system can send out an instruction to the execution mechanism, and the execution mechanism carries out action immediately, so that the aim of limiting the torque is achieved; collection, analysis and control units of the torque dynamic data and the execution mechanism are integrated in the coupling,and an independent intelligent device is formed; the actual dynamic torque value is used for correcting preliminary preset loosening torque value of the coupling, and a transmission system is more accurately and completely protected; and the intelligent torque limiting safe coupling can be widely applied to the field of various industries of metallurgy, energy, mining, aviation, automobile, construction machines and the like.

A fresh hamper system includes an enclosure, with meshed opening for airflow distribution. The invention minimizes unpleasant odors and mildew in moist or warn clothing, linen, shoes or fabrics. At least one fan attached to a structure distributes air mixed with a user defined liquid solution pumped using at least one spray pump connecting to at least one reservoir. The system can be portable and placed in any room or space. A series of garment hangers are mounted in the portable system for hanging items to be stored for some period of time prior to cleaning. An alternative method includes installing the fresh hamper system in a room or gym locker environment to treat larger spaces. The fresh hamper system further includes a catch basin with drain tubing to drain the system.

The invention discloses a chain plate purging device. The chain plate purging device comprises a bracket and also comprises a fixing device for fixing a purging part. The purging part is arranged in areturn stroke section of a chain plate, the purging part is bent toward the negative direction of movement of the return stroke section of the chain plate to form a bent portion and a purging port formed by stretching the bend port to be in overlap joint to the surface of the chain plate, and the end portion of the purging part collides with grain stillage on the chain plate to block the grain stillage on the chain plate effectively, and the purging part is not worn. No extra power needs to be provided for operation of the purging part, so that the energy consumption is reduced. The chain plate purging device disclosed by the invention is simple in structure, convenient to detach and relatively low in cost. Over 90% of grain stillage on the return stroke section of the chain plate is cleaned effectively, so that the efficiency is relatively high.

The invention discloses a protocol conversion method of the multimedia broadcasting network, which comprises the following steps: taking out the video PES or audio PES from the transport package; taking out the PES package from the MPEG transport package; taking out the PTS or DTS from the PES packet header and transforming into the time-stamp in the frames; taking out the ES package from the PES and according to the requirements of CMMB Reuse Protocol filling the video frequency ES package into the video unit or filling the audio frequency ES package into the audio unit to form a reuse frame in the setting time; encapsulating and sending the reuse frame.

The invention discloses soil collection equipment for soil microorganism detection. The equipment comprises a machine base; a moving mechanism, a parking mechanism and a lifting box are fixedly arranged on the machine base; and a working box is arranged in the lifting box in a sliding manner. The whole equipment can move freely; when the equipment needs to work, arrangement is simple and light; after the equipment is fixed through the long-strip-shaped clamping block, full-automatic operation can be achieved, the depth can be controlled to drill a soil sample, the equipment can keep away whenmeeting hard stone so as to be protected, a drill bit can be cleaned after sampling operation is completed, cross contamination is avoided, and compared with manual work, the accuracy of experiment results of microorganisms in soil is improved.

The invention relates to an impact plate limiting device of an impact crusher. The impact crusher comprises a rack (1), a rotor (2), an impact plate (3), a hydraulic cylinder (4) and a spring pull rod (5), wherein the rotor, the impact plate, the hydraulic cylinder and the spring pull rod are arranged on the rack. The impact crusher is characterized in that the impact crusher additionally comprises a limiting device, the limiting device consists of safety hooks (6) and safety pins (7), the safety pins are symmetrically arranged on the two sides of the rack (1), the safety hooks are symmetrically arranged at the two ends of the impact plate, and the safety pins and the safety hooks are matched parts; and each safety hook of the limiting device is provided with a hook head (6-1), each safety pin is provided with a pin head (7-1) and the hook head (6-1) can hook the pin head (7-1) in a matched way. By adding the limiting device which consists of the safety pins on a shell and the safety hooks on the impact plate, the safe distance between the impact plate and the rotor is guaranteed, the equipment is protected and the safety production is realized.

The invention discloses an efficient liquid fuel additive and a liquid fuel with the additive. The liquid fuel additive comprises, by weight, 3.8-8.5 percent of function igniting agent, 65-74 percent of combustion improver, 15-20 percent of heat value enhancing agent, 5-9 percent of dispersing agent and 1.3-3.5 percent of additional assistant. The liquid fuel additive is simple in component and has the functions of promoting sufficient combustion of the liquid fuel and improving the heat utilization rate of the liquid fuel. The liquid fuel with the liquid fuel additive has the advantages of being large in flame, high in center flame temperature, sufficient in combustion, high in heat utilization rate, capable of saving energy and environmentally friendly.

The invention belongs to the technical field of assembly equipment of large steel structural parts, in particular to a multifunctional main frame assembly tire, and solves the problem of batch production in main frame assembly of contact net overhauling operation cars. The multifunctional main frame assembly tire comprises a foundation base, a positioning unit, part limiting pressing mechanisms, a center lineation device, an accessory following fixture and a portal accessory hanger; the foundation base is provided with the portal accessory hanger capable of walking along the foundation base; a workpiece to be assembled is arranged on the foundation base; the center lineation device is fixed at the middle part of the outer side edge of the workpiece to be assembled on the foundation base; the positioning unit is fixed on the inner side edge of the workpiece to be assembled; multiple part limiting pressing mechanisms are uniformly distributed on the side edges of two sides of the foundation base; and the accessory following fixture is arranged in related position of the workpiece to be assembled. The multifunctional main frame assembly tire is novel in thought, has multiple innovation designs, adopts a modular structure, has multiple purposes, is obvious in effect, and is easy to popularize.

A cooling fan monitoring circuit for monitoring and immediately alerting the user of the activation of a cooling fan motor and blade assembly providing notice of the shutting down of equipment requiring cooling to prevent overheating and damage to the equipment. The circuit is capable of monitoring multiple cooling fans and shuts down equipment if any one of the cooling fans ceases function, fails a preset condition, or the equipment reaches a preset temperature.

The invention provides a full-automatic oiling machine, comprising a base, an oil pump, an oil pump motor, an oil tank, copper pipes, oil collectors, an oil filling pipe, a high and low oil level system and an electric cabinet, wherein the oil pump motor is connected with the oil pump; the oil tank is arranged above the oil pump, and the oil tank is in through connection with the oil pump; certain ends of the copper pipes are connected with the oil pump, and the other ends of the copper pipes are connected to the oil collectors; at least three copper pipes are connected with one oil collector at the same time; one end of the oil filling pipe is connected with one oil collector, and the other end of the oil filling pipe extends to a device to be oiled; each oil collector is also provided with an oil control switch; the high and low oil level system is arranged on the oil tank; the electric cabinet is connected with the high and low oil level system and the oil pump motor. By a brand new design of the full-automatic oiling machine, not only are the parts and combination thereof of the oiling machine changed, but more importantly, the working mode and the control form of the oiling machine are also changed; therefore, unmanned operation and precision are realized.

The invention discloses a recyclable efficient cleaning device. The cleaning device comprises a bottom plate, wherein a vibration reducing pad is arranged inside the bottom plate; a treatment box is arranged on the upper side of the bottom plate, a feeding port is formed in the left end of the upper side of the treatment box, a flow guide groove is formed in the lower side of the feeding port, anda cleaning barrel is arranged on the lower side of the flow guide groove; connecting covers are arranged on the outer sides of water drainage pipes, connecting grooves are formed in the lower sides of the connecting covers, a partition plate is arranged on the lower sides of the connecting grooves, a drain outlet is formed in the left end of the lower side of the partition plate, and a filter cavity is formed in the lower side of the drain outlet; a drain pipe is arranged on the left side of the filter cavity, a filter screen is arranged inside the filter cavity, a protective cover is arranged on the right side of the filter cavity, a first motor is arranged inside the protective cover, and a rotating shaft is arranged on the upper side of the first motor; and a connecting pipe is arranged at the lower end of the right side of the filtering cavity, a connecting pump is arranged on the connecting pipe, a water storage cavity is formed in the right side of the connecting pipe, a water pumping pipe is arranged at the right end of the water storage cavity, and a water suction pump is arranged on the water pumping pipe. According to the cleaning device, the recycling of the water resources can be effectively realized, the water resources are saved, the working efficiency of the device is improved, and the device is effectively protected.

The invention discloses a self-adaptive adjusting device for a gap between a compression roller and a ring die and a control method, and belongs to the technical field of grain feed processing equipment. Comprising a transmission shaft; the output end of the driving mechanism is connected with the transmission shaft to enable the transmission shaft to rotate; the input end of the gear transmission mechanism is connected with the transmission shaft; one end of the compression roller adjusting arm is connected with the output end of the gear transmission structure, and the other end of the compression roller adjusting arm is connected with the compression roller and can drive the compression roller to eccentrically rotate so as to adjust the gap between the compression roller and the circular mold; the counting mechanism is used for sensing the rotation amount of the output end of the driving mechanism; and the control system is used for controlling the rotation amount of the output end of the driving mechanism according to the set gap value and then controlling the eccentric rotation amount of the compression roller so as to adjust the gap between the compression roller and the ring die. The problem that manual adjustment of the gap between the ring die pressing rollers is inconvenient is solved, time is saved, safety is improved, and the use efficiency of equipment is improved.

An intelligent terminal equipment supporting device and a supermarket shopping cart provided with the supporting device are disclosed. The intelligent terminal equipment supporting device includes a mounting member, a first supporting member and a second supporting member. A rear end of the first supporting member is fixedly connected with a front side of the mounting member, a rear end of the second supporting member is fixedly connected with the front side of the mounting member, a first supporting joint member is connected between the front end of the first supporting member and the front end of the second supporting member, and the first supporting member, the second supporting member and the first supporting joint member form a frame structure to support the intelligent terminal equipment.