182results about How to "Less likely to cause damage" patented technology

The invention relates to a method for pretreating fibers, comprising the following steps of: performing surface activation on fibers by a dopamine hydrochloride biomimetic modification method, and then performing impregnation treatment on the fibers by using impregnation solution composed of rubber latex and phenolic resin, aiming to improve the interface adhesion property of the fibers with rubber so that the fibers are more suitable for tyres, conveyor belts, high-pressure rubber tubes and transmission belts. The method solves the experimental problem caused by high toxicity of isocyanate and avoids damage on the fibers caused by high-temperature treatment; and the process flow is simplified and the production cost is reduced.

The invention relates to a pretreatment method of a polyester fiber surface. The method comprises the following steps of: carrying out pretreatment on the surface of a polyester fiber through two steps, firstly activating the surface of the fiber by means of dopamine hydrochloride biomemetic modification, and then carrying out impregnation treatment by using an impregnation solution comprising rubber latex and phenolic resin. The interfacial bonding performance of the fiber with the rubber is improved so that the fiber is more conductive to a tyre, a conveyer belt, a high pressure rubber tube and a transmission belt. The environment problem caused by high toxicity of closed isocyanate is solved, the fiber injury caused by high-temperature treatment is prevented, the process flow is simplified, and the production cost is reduced.

A packaging method comprises the steps of: providing a carrier plate, wherein the carrier plate comprises a plurality of chip regions and cutting regions arranged between the adjacent chip regions, the carrier plate further comprises a first surface, and a plurality of grooves are formed in the cutting regions in the first surface of the carrier plate; providing chips, wherein each chip comprises a functional surface and a non-functional side surface which are opposite to each other, the surface of each functional surface is provided with bumps, and the bumps protrude out of the functional surfaces; fixing the non-functional side surfaces of the chips with the first surface of the carrier plate in the chip regions; forming a plastic packaging layer on the first surface of the carrier plate and the surfaces of the chips, wherein the plastic packaging layer exposes top part surfaces of the bumps; removing the carrier plate after forming the plastic packaging layer; forming a rewiring structure on the surface of the plastic packaging layer and the functional surfaces of the chips; and cutting the plastic packaging layer and the rewiring structure, so that the plurality of chips are separated from one another, thereby forming an independent packaging structure. The yield and reliability of the formed packaging products are improved.

The invention discloses a soil sample collecting device. The soil sample collecting device comprises a spiral rod, a sampling device arranged at the end part of the spiral rod and used for collecting the soil sample, and a driving device for driving the spiral rod to rotate; the driving rod is connected with a control device for controlling the driving device, and a positioning mechanism for positioning the coordinate of the soil sample position is arranged on the driving device; the outer part of the spiral rod is provided with a sleeve cylinder for mounting the supporting device. The soil sample collecting device is simple in structure, good in using effect, and easy to operate; by directly collecting the collected soil sample in a storage cylinder, the continuity of sampling is increased, and the physical change of the soil sample in the air is prevented by sealing the soil sample, thereby benefiting the subsequent experimental analysis of the soil sample; moreover, a level gauge is arranged at the upper part of the horizontal rotating drill rig, so that the accurate control of perpendicularity of the sampling device is guaranteed during the sampling process, the collected soil sample is marked directly through the positioning mechanism, the labeling accuracy of the soil sample is guaranteed, and the labor force is saved.

The invention provides a preparation method of herbal elsholtzia essential oil, which is characterized by comprising the following steps: (1) extraction of supercritical CO2: smashed herbal elsholtzia seed power is added to a supercritical feed cylinder and placed in an extraction kettle for extraction of supercritical CO2, so that herbal elsholtzia crude oil can be obtained; (2) dehydration and degassing through thin-film distillation: dehydration and deodorization are performed on the herbal elsholtzia crude oil through the thin-film distillation; (3) fatty acid removal through molecular distillation: the herbal elsholtzia crude oil after dehydration and deodorization is continuously moved to a molecular still, so that deacidification herbal elsholtzia oil and a secondary product free fatty acid can be obtained; (4) activated clay decoloration: the herbal elsholtzia oil after deacidification is decolored via an activated clay decoloration column; (5) freezing and dewaxing: the freezing temperature is controlled, and the herbal elsholtzia oil stands still, or is stirred at intervals, crystallized, settled, filtered or centrifuged and dewaxed, so that faint yellow liquid namely the herbal elsholtzia essential oil can be obtained. According to the preparation method, the herbal elsholtzia essential oil has high oil production and excellent linolenic acid maintenance, the production is safe, the technology is simple, the operation is convenient, and the continuous large-scale production is facilitated.

The present invention is flurbiprofen ester injection as antiphlogistic and analgetic medicine and its preparation process. Main medicine and supplementary material including solvent, emulsifier, isotonic agent, buffering agent and pH regulator are mixed to compound the injection. Compared with available oral flurbiprofen preparation, the flurbiprofen ester injection has even high curative effect, even fast action, long lasting effect and less stomach mucous membrane damage and other negative effect. The present invention is used in treating chronic rheumarthritis, etc and is especially suitable for relieve post-operational pain and pain caused by cancer, and it has high effect and no addiction.

The invention discloses a flexible tubular microelectrode and a preparation method thereof. The preparation method comprises the following steps of: firstly, cutting a section of a polymer capillary; secondly, sputtering a metal layer on the surface of the polymer capillary; thirdly, deposing a polymer on the surface of the capillary as an electrode insulation layer; and at last, etching the polymer insulation layer on the surface of the capillary by utilizing laser, and exposing a metal electrode point to obtain the tubular microelectrode. According to the flexible tubular microelectrode prepared by the invention, when electric simulation and electrographic recording are carried out on a physiological tissue by the electrode, a fluid medicine is transported to a tissue organ by a microtubule channel, and a flexible micro-size is beneficial for test or experiment operation and production of an embedded medical device.

The invention provides a double-faced adhesive tape product anti-sticking waste discharge production process. The double-faced adhesive tape product anti-sticking waste discharge production process comprises the following steps of conducting die cutting on a weak adhesive film material belt to form a weak adhesive film inner hole material in the same shape as an inner hole of a product, discharging the weak adhesive film material belt, sequentially laminating a main material double-faced adhesive tape material belt and a first surface paper material belt, performing die cutting to obtain innerhole wastes of first surface paper, a main material double-sided adhesive tape and a weak adhesive film in sequence from top to bottom, laminating a waste discharge adhesive tape, discharging the waste discharge adhesive tape, the first surface paper material belt and inner hole waste, laminating a second surface paper material belt, performing die cutting to obtain the appearance of the product,discharging the second surface paper material belt and the main material double-sided adhesive tape, then performing die cutting to form the shape of a release film corresponding to the product, discharging the release film material belt, and obtaining a finished product on a bottom supporting film material belt. A weak adhesion die has an anti-adhesion effect, automatic production of product inner hole waste removal can be achieved, the production efficiency and the product quality and yield are improved, and the production cost is reduced.

A metamorphic knuckle mechanism of a snake-imitation rescuing robot comprises a knuckle left end cover, a knuckle right end cover, two RRPRR branches and one RRPRR metamorphic branch. Metamorphic knuckles have two mechanism forms, and the work space and mobility can be changed. In the mechanism form I, a movable pair P in the RRPRR metamorphic branch is in an active moving state, a rotation pair R is in a following state, and then the knuckles have one moving freedom degree and two rotating freedom degrees. In the mechanism form II, the movable pair P in the RRPRR metamorphic branch is in a minimum displacement and locking state, the rotation pair R is in an active state, the knuckles are changed into parallel spherical knuckles in a metamorphic manner, and three rotation freedom degrees are achieved. The metamorphic knuckle mechanism has the beneficial effects of being good in flexibility, high in bearing capability and good in structural robustness and is suitable for the snake-imitation rescuing robot. By means of mutual cooperation of the two mechanism forms of the multiple metamorphic knuckles, the flexibility and adaptability of the snake-imitation rescuing robot under different environments can be effectively improved.

The invention provides a fiber laser asymmetric compensation spectral synthesizing device, which comprises a fiber laser array, a converging lens and two diffraction gratings. The fiber laser array, arranged in parallel, uses the converging lens to collimate the outgoing laser beams and relies on the two diffraction gratings with different linear densities to compensate the angular deflection of the converging lens to different wavelength laser beams. The invention has the advantages of low requirement for the laser line width and the diffraction grating damage threshold, of a strong ability to expand the number of channels and of producing high quality beams. With the device, it is possible to greatly enhance the brightness of the outputted laser from a spectral synthesizing system.

The invention provides a portable automatic bunching device for crabs, and belongs to the field of crab processing devices. The portable automatic bunching device comprises a feeding mechanism, a bunching mechanism and a positioning mechanism. The positioning mechanism is used for fixing crab legs. The feeding mechanism comprises a hopper, a channel and a baffle. The hopper is mounted at the top of the channel. The channel is vertically arranged. The baffle is mounted in the channel, and is used for controlling the channel to be opened or closed. The positioning mechanism is positioned at the lower part of a discharge opening of the channel, and is used for bearing crabs falling from the discharge opening and fixing the crab legs. The bunching mechanism is located between the positioning mechanism and the feeding mechanism, and is used for bunching crabs. An auxiliary device, that is, the portable automatic bunching device, is simple and reasonable in structure, convenient to process and manufacture, low in manufacturing cost, and convenient to mount and use; and besides, crabs can be quickly fixed through the auxiliary device, workers are not easily injured during the fixing process, and crab claws are not prone to be damaged, so that the crab bunching efficiency is improved, and the auxiliary device is safe, reliable, and convenient to use.

The invention relates to an automatic inserting and pulling mechanism of male and female connectors. A sliding rail is arranged on a fixing seat, an upper support is arranged in the sliding rail and can slide along the sliding rail, and an air cylinder is installed on the fixing seat. A piston rod of the air cylinder is connected with the upper support in a driving mode, a female connector support is installed on the upper support, an unlocking mechanism is arranged beside the female connector support, and a lower support is arranged below the upper support and fixed to the fixing seat. A male connector support is installed on the lower support, and the male connector support is opposite to the female connector support. An alignment pin shaft is arranged on the lower bottom face of the upper support, and correspondingly, a positioning hole matched with the alignment pin shaft is formed in the upper surface of the lower support. A pin shaft positioning manner is adopted so that a male connector and a female connector on the upper support and the lower support can be connected in an alignment mode, it is ensured that the female connector and the male connector are smoothly inserted, alignment is accurate in the inserting and pulling processes, a sealing ring in the female connector is stressed evenly, the male connector and the female connector are not prone to damage, the service life is prolonged, the labor fatigue is relieved, the alignment precision of the two connectors is improved, and leakage of liquid and gas is prevented.

The invention discloses a chemical fiber yarn oiling groove drum type winding machine. The chemical fiber yarn oiling groove drum type winding machine comprises a machine frame, an oiling device, a swing frame device and a winding device, wherein the oiling device comprises an oil passing box used for containing oil materials, an oil passing wheel arranged in the oil passing box and an oil wheel driving part connected with the oil passing wheel, the oil passing box is provided with an oil passing window, the oil passing wheel part protrudes out of the oil passing window, and the oil wheel driving part is used for driving the oil passing wheel to rotate; the swing frame device is arranged on the machine frame and is used for allowing a conical bobbin to be installed; the winding device comprises a groove drum and a winding driving part, the groove drum is rotatably connected with the machine frame, the groove drum is close to the swing frame device, and is used for being in contact withand rotationally matched with the conical bobbin on the swing frame device, the winding driving part is connected with the groove drum and used for driving the groove drum to rotate, and the rotationof the groove drum drives the conical bobbin to rotate so as to realize winding of yarns passing through the oiling device and being oiled. The chemical fiber yarn oiling groove drum type winding machine is good in winding effect.

The invention discloses a ceiling fixing fastener assembly for an LED (Light Emitting Diode) lamp. The ceiling fixing fastener assembly comprises a decorative cover and a fixing fastener, wherein the decorative cover at least comprises two circumferentially and uniformly distributed mounting parts, and the fixing fastener is hinged on the mounting part and is provided with a fastening part and an elastic element; the installation of the elastic element comprises the following steps that the direction of acting force acting on the fixing fastener reverses after turning a first turnover angle, so that the fixing fastener turns over from a mounting position to a locking position; and the direction of acting force acting on the fixing fastener reverses after turning a second turnover angle, so that the fixing fastener turns over from a locking position to a mounting position; and the first turnover angle and the second turnover angle are acute angles. After the fixing fastener rotates over the turnover angle, the acting force of the elastic element on the fixing fastener reverses to generate turnover, so that the LED lamp can be quickly fixed and dismantled on the ceiling by the fixing fastener without damaging a mounting surface, and the mounting reliability of the LED lamp is improved.

The invention provides a fluorescent lamp tube replacing device which comprises two lamp claws, two guide rods, two springs, a cam, a left supporting arm, two eccentric wheels, a locking pull wire, a hollow strut, an adjustment screw, an adjustment nut, a pressing plate pull wire, a right supporting arm, a slotted cylindrical cam and an end pressing plate. The pull wire is connected with the lamp claws, and the pressing plate pull wire is connected with the end pressing plate. A lamp tube clamping mechanism is characterized in that the two clamp claws are located on one guide rod, the springs are connected to the lamp claws to enable the two clamp claws to be kept in a semi-enclasping state, the cam is located between the clamp claws, and the left supporting arm is connected with the strut. The problems that people need to dismount or mount a fluorescent lamp by climbing a ladder or stepping on a stool due to the fact that the position of a lamp tube is too high, and people fall off from the high position or have an electric shock hazard easily are solved. Most of all, the fluorescent lamp tube replacing device provides a convenient and reliable tool used for mounting or dismounting the lamp tube for the old, the children, short people and people with acrophobia.

The invention relates to a textile fabric dye, comprising, by weight, 30-40 parts of attapulgite clay, 2-4 parts of polypropylene glycol, 3-5 parts of tetracarboxydiphthalic ether dianhydride, 1-2 parts of zinc stearate, 10-13 parts of blocked isocyanate, 8-9 parts of calcium sulfate, 9-10 parts of magnesium sulfate, 2-3 parts of aluminum oxide powder, 20-30 parts of waterborne nano color paste, 7-9 parts of a surfactant, 6-8 parts of ethyl acetate, 10-12 parts of an initiator, 15-25 parts of plant extract, 12-15 parts of chitosan, 2-3 parts of mica powder, 1-1.6 pars of tetramethyl ammonium bromide, 1-3 parts of a water softener, 3-4 parts of sodium carbonate, 2-3 parts of sodium pyrophosphate, 5-8 parts of iron blue, and 20-30 parts of water. The textile fabric dye is low in cost, natural and healthy, nontoxic and harmless to human body, and resistant to fading; the preparation method is simple, has low equipment requirements and is easy to popularize.

The invention discloses a phenolic resin foam medium block for cuttage. A specific activating agent is added in a phenolic resin matrix and is physically foamed by a foaming agent to form a loose cross-linking structure; then the loose cross-linking structure is cured to form a microporous foam body with a certain strength under the action of a curing agent; and finally the foam body is cut into a medium block for cuttage. The medium block is provided with microporous holes and is light in weight, low in price and high in planting percentage during cuttage for planting seedlings; due to the blocky characteristic, the phenolic resin is extremely firm, cultured seedlings are especially suitable for long-distance transportation, and thus the possibility that the root system is damaged is reduced; the damage to the root system hardly occurs when the cultured seedlings cut by the medium block are transplanted; the root system is strong in vitality and stress resistance, so that the recovering stage after the plants are transferred into basins is greatly shortened; and the plants are grown to be consistent after the seedlings cut by the medium block are transferred into the basins or transplanted and the rate of the finished products is high.

The invention provides a using method of a blood distributor. The using method comprises the following steps: a first step of selecting a main sorting blood distributor with certain size and certain fluid distributing channel layer number according to the experimental and sorting needs; a second step of connecting a sampler to a total sample inlet; a third step of adding samples; a fourth step of detecting and regulating sample flow speed in real time; and a fifth step of cleaning the blood distributor after all samples are added. The using method has the beneficial effect of providing a cell separating device which can be quickly separate cells, is simple and convenient to operate, and is not liable to cause cell damages, and the cell device can separate while introduce liquid, and can perform multi-time circulating separation, so that separating efficiency is improved. Meanwhile, the invention further provides a using method used for the device.

The invention provides an environment-friendly antibacterial air freshener. The environment-friendly antibacterial air freshener is prepared from a flower component, a traditional Chinese medicine additive component, ethyl alcohol and deionized water. Compared with a traditional air freshener prepared by chemical raw materials, the environment-friendly antibacterial air freshener provided by the invention has the advantages that toxic and side effects are few, the irritation is small, a human body cannot be easily damaged, the cost is low, and the effect is obvious; the environment-friendly antibacterial air freshener is a new-generation air freshener.