90results about How to "Easy to break" patented technology

The invention relates variable aperture tube making method and device, including tube end rotary forging and draw stretching. It first forges one end of the tube on the rotary forger into a smaller-aperture technical tube, which makes the stretching mould through to be clamped by the clamping module; using a hydraulic control system to drive clamping base and clamping module; inserting core rod with mould head in the copper tube to stretch by the stretching mould. It includes rotary forger and draw-stretching device. The clamping module, the stretching mould and the core rod makes up a stretching process line. The position of the core rod is adjustable and the stretching effect is good. The hydraulic control system is installed with travel switch to control stretching travel. It is applied to the control of thin-wall small-aperture copper tube and widely applied to cryogen pipeline in refrigerating industry.

The invention relates to a reinforced cement foaming board and a preparation method thereof. The reinforced cement foaming board comprises the following components in percentage by weight: 27.00-35.50% of water, 28.0-61.0% of Portland cement, 0-32.70% of coal ash at grade I or a mixture of coal ash and recycled filler, 0-2.00% of wollastonite powder, 0.10-0.30% of fiber, 0.37-0.65% of ammonium stearate, 1.00-2.00% of a mixture of 10 parts of calcium sulphate and 1 part of calcium formate, 0.10-0.20% of naphthalenesulfonate formaldehyde condensation compound, 0.90-1.20% of hydrogen peroxide and reinforcement net. The reinforced cement foaming board provided by the invention has the advantages of low apparent density, low heat conductivity coefficient, good noise reduction effect, high strength, no crack and shock resistance.

The invention discloses a method of preparing an oil-extraction wastewater adsorbent by using pyrolysis residues of oil sludge for applying in sewage treatment of oil field, comprising the following steps: grinding and sieving the pyrolysis residues of oil sludge, carrying out acid dipping process, rinsing to neutral, mixing the pyrolysis residues of oil sludge with Teflon (binder), carrying out cold press for moulding, charring in a carbonization furnace, rinsing and drying. The method improves the adsorptivity of the pyrolysis residues of oil sludge and is applied successfully in the treatment of oil-extraction wastewater.

The invention discloses a shredder paper jam removing device, which comprises a body with at least one input port; paper shredding blades equipped on the periphery of a rotating shaft inside the body for shredding paper inputted from the input port; a driving motor for driving the paper shredding blades; a transmission mechanism for transferring the driving force of the driving motor to the papershredding blades; a paper inlet channel equipped on the input port; a paper inducting sensor equipped on the paper inlet channel for inducting the paper existence; a driving motor sensor for inducting the driving motor rotation number or current; and a controlling part for judging whether a paper jam is located inside or outside on the basis of inducting results from the paper inducting sensor and the driving motor sensor and controlling the driving motor to automatically repeatedly rotate or reversely rotate according to the judging result. The invention can effectively remove the paper jam in the shredder and reduce the overload of the driving motor.

The invention discloses a concrete-filled steel tube column provided with a soft steel bushing and embedded with a high-tenacity material. The concrete-filled steel tube column comprises an inner pipe (1), core concrete (2), a soft steel bushing (3), bolts (4) and a high-tenacity composite material (6). In the invention, the bottom of an ordinary concrete-filled steel tube is provided with the soft steel bushing (3); and the high-tenacity composite material (6) is embedded into the space between the soft steel bushing (3) and the inner pipe (1). Under the action of conventional earthquake, the bottom soft steel bushing and an concrete-filled steel tube column have high overall working performance, high rigidity and high strength; and under the action of rare earthquake, shearing damage to the bolts is severe, the connection between an inner pipe and an outer pipe is weakened, the co-working performance degenerates, the ductility and energy consumption functions of the inner pipe and the outer pipe are brought into full play respectively, the overall regality is reduced, the structural period is prolonged, and the earthquake action is reduced; and after the soft steel bushing is arranged, an earthquake fortification line is increased, the structural safety is enhanced, and early impairment and damage to a high-strength steel plate are prevented and delayed.

The invention discloses a wireless device for calibration of flight data. The wireless device comprises a measurement unit, a first control and display unit and a second control and display unit, wherein the circuits of the first control and display unit and the second control and display unit are same in structure, the measurement unit is mounted on a clamp, and is powered and controlled by the first control and display unit, data measured by the measurement unit is sent to the first control and display unit according to a wireless interface, the second control and display unit exchanges data with the first control and display unit through the wireless interface and displays the same information synchronously. The wireless device has the advantages that interaction is realized among the units in a wireless manner, so that the problems that a long cable easily winds and is easily broken are solved, the preparation time for calibration is shortened, and the information transfer errors generated during matching process of multiple persons is avoided, so that the calibration accuracy and the calibration efficiency are greatly improved.

The invention relates to a synthesis method of magnesium-silicon intermediate and a method of preparing high magnesium aluminum alloy by using the intermediate, and particularly relates to a method of using natural perlite ore as silica source for synthesizing Mg-Si intermediate, and a method of using the intermediate to prepare the high magnesium aluminum alloy by means of in-situ synthesis. The Mg-Si intermediate is a special Mg-Si intermediate alloy containing low silicon, the special Mg-Si intermediate alloy and the in-situ synthesis method can solve the industrial difficult problems of high cost of silicon source, single variety and small generation possibility of Mg2Si, etc., in the process of making aluminum alloy with magnesium and silicon elements added synchronously.

The invention belongs to the technical field of compound fertilizer granulating agents, and provides a compound fertilizer granulating agent. The compound fertilizer granulating agent is prepared from, by weight, 25-38 parts of molasses, 5-15 parts of lignosulfonate, 8-20 parts of polyoxyethylene ether, 16-23 parts of starch, 8-17 parts of modified attapulgite and 25-38 parts of water. The compound fertilizer granulating agent is high in adhesiveness and low in use level, and made fertilizer is high in granule strength.

The invention discloses a soothing composition containing a saxifraga stolonifera extract. The soothing composition is prepared from the following raw materials in parts by weight: 4 to 18 parts of the saxifraga stolonifera extract, 4 to 15 parts of a sedum sarmentosum extract, 3 to 12 parts of an aloe extract, 3 to 8 parts of a dendrobium officinale extract and 47 to 86 parts of water. Essence prepared by utilizing the soothing composition has the effects of resisting inflammation and oxidation, soothing skin, improving endogenous water replenishing capacity of the skin, realizing water replenishing and moisturizing and soothing fragile skin.

The invention belongs to the technical field of sensing detection of glass nanopores, and particularly relates to a glass nanopore sensor for detecting. OH, preparation of the glass nanopore sensor and an electrochemical analysis method based on an ion rectification principle. The method for preparing the nanopore sensor comprises the following steps: firstly drawing a glass conical nanopore by using a drawing instrument, uniformly plating a layer of gold film on the inner wall of the nanopore, and finally sequentially modifying cysteamine molecules and protoporphyrin molecules on the gold film through strong interaction and amide reaction of Au-S bonds, thereby finally obtaining the functionalized glass nanopore sensor. The invention is simple in technological process, expensive reagentsand large instruments are not needed, high-selectivity and high-sensitivity rapid response to. OH can be achieved in a complex system, and a portable and efficient detection platform and method designare provided for. OH detection in the fields of food safety, medical treatment and public health, environmental monitoring and the like.

The invention discloses a PDC drill bit for coal mine high-position directional drilling. The PDC drill bit comprises a drill bit body, a plurality of fixed cutter wings, movable cutter wings and PDCcutting teeth, wherein the drill bit body and the fixed cutter wings are integrally formed, the movable cutter wings are detachably installed on the drill bit body, and the PDC cutting teeth are welded to the fixed cutter wings and the movable cutter wings. Fixed cutter wing tooth distribution faces extend to the edge of the front end of the drill bit body from the center close to the front end ofthe drill bit body in the radial direction, and gauge protection face connecting tooth distribution faces extend to the side face of the front end of the drill bit body; intersecting lines of the tooth distribution faces and the second side surface are designed according to a corrected mole front paw toe outline fitting curve, and the PDC cutting teeth are distributed along the intersecting lines; the movable cutter wings are arranged between the adjacent fixed cutter wings, and each movable cutter wing comprises a movable cutter wing tooth distribution face on which PDC cutting teeth can bemounted; the heights of the parts, higher than the front end of the drill bit body, of the fixed cutter wings and the movable cutter wings are consistent; and main runner nozzles are arranged on the drill bit body, and side blade nozzles are arranged on the fixed cutter wings. The directional deflecting capacity of a drill bit and the drilling adaptive capacity of the drill bit in a complex hard stratum can be improved.

The invention provides a sealed tool for standard gas preparation, and further provides a device comprising the same for standard gas preparation, and a method for preparing standard gas by using the provided device. The sealed tool comprises a hollow body, a reagent bottle, which is fixedly arranged in the body and is used for standard gas preparation, and a breaking device. When the breaking device is pushed by an external force, the breaking device will break the reagent bottle arranged in the sealed tool. The tool is sealed by a sealing material, and thus the volatile gas will not leak from the sealed tool. During the whole preparation process, the reagent and volatile gas are confined in a sealed environment, the gas will not diffuse in the air, the possible harms to operators can be avoided, and moreover the preparation precision may improved.

A lock head of an anti-theft lock comprises a lock cylinder sleeve, a lock cylinder and a return device. The lock cylinder is provided with a key slot, inner marble holes, left inner installation holes and right inner installation holes, the key slot comprises an upper slot body, an arc-shaped slant contract slot body and a lower slot body, and the arc-shaped slant contract slot body is located between the upper slot body and the lower slot body; the lock cylinder sleeve is provided with a lock cylinder hole, outer marble holes, left outer installation holes and right outer installation holes, and a bilateral gap s, a bilateral gap t and a bilateral gap u are unequal to one another; the lock cylinder is installed in the lock cylinder hole formed in the lock cylinder sleeve, upper springs, upper flat head marbles and upper half round head marbles are sequentially arranged in the outer marble holes and the inner marble holes, and the outer marble holes are closed through plugs; the return device comprises left springs, left flat head marbles and left half round head marbles which are sequentially installed in the left inner installation holes and the left outer installation holes and right springs, right flat head marbles and right half round head marbles which are symmetrically installed in the right inner installation holes and the right outer installation holes, and the left outer installation holes and the right outer installation holes are closed through plugs.

The invention provides an e escape system of a car window. The car window is Makrolon glass. The escape system of the car window comprises a control unit, a first connecting wire, a second connectingwire and an electric heating wire. The control unit forms a closed loop through the first connecting wire, the second connecting wire and the electric heating wire. The electric heating wire is in contact with the Makrolon glass. The melting points of the electric heating wire, the first connecting wire and the second connecting wire are all higher than the melting temperature of Makrolon. The control unit applies currents to the electric heating wire, and the electric heating wire becomes hot. Due to the fact that the melting point of the electric heating wire is higher than the melting temperature of Makrolon and Makrolon in contact with the electric heating wire is molten, Makrolon can be moved away or crushed easily, and the problem that laypeople cannot destroy the Makrolon window toescape in an emergency is solved.

The invention discloses a cutting tool bit for a point broken line of a packaging bag and relates to a cutter for producing plastic packaging bags. The cutting tool bit comprises a long-plate shaped cutter body, wherein a plurality of tool bits are arranged on the cutter body; the cutting tool bit is characterized in that: partition slots are formed among the plurality of tool bits, so that the tool bits can be separated from one another; an inclined surface is formed on the end face of one lateral end of each tool bit; and an inclination angle formed between the inclined surface and each tool bit is 20 to 40 degrees. The cutting tool bit for the point broken line of the packaging bag has the advantages that: the point broken line of a cut plastic bag is easy to break, and harm to the plastic bag can be avoided.

The invention relates to the field of alloy smelting facilities and provides an ultrathin aluminum-based steel flowing tank. The wall thickness of a tank body of the steel flowing tank is 12-25 mm, and the tank body of the steel flowing tank is of a segmental structure and comprises a steel receiving tank, a first steel flowing tank, a second steel flowing tank and a tapping tank connected successively. The tank body of the steel flowing tank is lighter and thinner. As the wall thickness and the weight are reduced greatly, the production and application costs are lowered. A connecting mode between the tank body assemblies is also changed, so that the tank body assemblies are more easily replaced. Therefore, the risk that a repair material pollutes an alloy solution is reduced fundamentally.

The invention relates to a window profile which includes two layers of different materials containing synthetic resin; the weight portions of the main components in the inner layer of the profile are as below: 100 weight portions of PVCD; 6 to 8 weight portions of impact reinforcing agent; 5 to 6 weight portions of composite stabilizer; 2 to 3 weight portions of regulator; the main components in the outer layer of material are as below: PVC, plant materials, composite stabilizer, pigment and adhesive; the two layers of materials are extruded, shaped and processed into the profile. The profile made by the proportion and the processing method provided by the invention has the advantages of similar color and texture as wood and quite high structure strength; meanwhile, the application of wood powder and other plant materials is reduced during production, which protects the environment.

The invention discloses a zinc oxide piezoresistor with a safety protection device. The piezoresistor comprises a piezoresistor main body, an epoxy resin wrapping layer, a protective cover, a clampingblock, a pole piece, a heat dissipation cover, a convex block, a heat dissipation plate, a first connecting rod, an arc-shaped block, a fixed block, a connecting pipe, a connecting plate, a protective pipe, connecting pieces, a connecting groove, a screw pipe, a second connecting rod, a fixed ring, a connecting column, a heat conduction rod, a bonding pad, limiting grooves and limiting strips. According to the invention, the connecting groove is formed, so the connecting pieces are conveniently broken, so that the length of the connecting pieces is conveniently adjusted according to differentmounting positions, the mounting efficiency is improved, meanwhile, the heat conduction rod, the heat dissipation plate and the heat dissipation cover are used for conducting heat dissipation treatment on the device, the epoxy resin wrapping layer is wrapped by the mounted heat dissipation cover and protective cover, therefore, the piezoresistor main body, the pole piece, the bonding pad, the connecting column and the heat conducting rod are protected, and the device is protected.

The invention discloses high-durability plasticine, which is prepared from the following components in parts by weight: 45-50 parts of peach gum, 5-10 parts of polyethylene oxide, 10-15 parts of modified starch, 5-10 parts of maleated rosin, 2-5 parts of rosin, 3-5 parts of guar gum, 1-5 parts of maltitol, 4-7 parts of hollow microspheres, 3-6 parts of a wetting agent, 0.5-1.4 parts of natural plant pigment, 0.3-0.5 part of erucyl amide, 0.1-0.5 part of a preservative, 0.2-0.6 part of an antioxidant and 8-15 parts of water. The high-durability plasticine does not easily shrink and deform after being dried, so that the shaped plasticine is easy to store and high in durability.

The invention relates to a thrombus removal support, a thrombus removal device and a thrombus removal system. The thrombus removal support has a compressed state during conveying and an expanded state during thrombus removal, can elastically expand from the compressed state to the expanded state, and comprises a separating bracket for scraping a thrombus from the inner wall of a blood vessel; a supporting bracket, wherein the supporting bracket is connected to the far end of the separating bracket; and during thrombus removal, an inner cavity for containing the thrombus is defined by the separating bracket and the supporting bracket, an opening allowing the thrombus to enter the inner cavity is formed in the near end of the separating bracket, the elastic supporting strength of the separating bracket is higher than that of the supporting bracket, and the flexibility of the supporting bracket is higher than that of the separating bracket; and a filter screen film, wherein the filter screen film is at least connected with the supporting bracket, and the filter screen film is used for filtering the thrombus and passing blood. The thrombus removal device comprises the thrombus removal support, a traction catheter and an outer sheath tube. The thrombus removal system comprises the thrombus removal device and a thrombus breaking device.

The invention relates to a pull-parting device, in particular to a worn medical adhesive tape pull-parting device. For solving the technical problem, the worn medical adhesive tape pull-parting devicesimple in operation and making the stickiness of an adhesive tape not prone to reduction. According to the technical scheme, the worn medical adhesive tape pull-parting device comprises a columnar box body, a cover, a first bearing seat, a rotary shaft, a second bearing seat, a rotary rod and the like. The top of the columnar box body is provided with the cover, the cover is matched with the columnar box body, the middle of the bottom of the columnar box body is provided with the first bearing seat in an embedded way, and the rotary shat is connected in the first bearing seat and is providedwith a cavity. Under the effect of the first bearing seat, the rotary shaft can rotate with an adhesive tape so that a medical worker can better pull out the adhesive tape and pull the adhesive tape apart through a toothed blade, the operation is simple, and the stickiness of the adhesive tape is not reduced; the adhesive tape can be compressed through a compressing mechanism, the phenomenon is avoided that the adhesive tape rotates when the toothed blade pulls the adhesive tape apart, and accordingly the tooth blade can better pull the adhesive tape apart.

The present invention provides one kind of montmorillonite chewing tablet for treating acute and chronic gastritis and its preparation process, and belongs to the field of medicine preparation technology. The present invention includes the components and the preparation process of the medicine preparation. The montmorillonite chewing tablet consists of montmorillonite 1000-3000 weight portions, supplementary material 50-750 weight portions and corrective 3-11 weight portions. It is prepared through mixing the materials, adding water, alcohol or other wetting agent and pelletizing, and tabletting. Compared with available technology, the montmorillonite chewing tablet of the present invention has the advantages of reasonable recipe, simple preparation process, etc and is suitable for industrial production.

The invention discloses a water leakage detection device used for a high voltage converter and a combined device thereof. One end of a water-sensitive member is connected with the sidewall of the left side of a shell, and the other end is connected with a light shading slide block. The light shading slide block is also connected with the left end of an elastic member. The right end of the elastic member is connected with the sidewall of the right side of the shell. A light signal transmitting end is installed on the front sidewall of the shell or installed on the rear sidewall of the shell. A light signal receiving end is installed on the opposite sidewall of a light signal transmitter. Light shading and sensitive material is immersed in the water and then the tensile strength is reduced and the material can be pulled apart by the elastic member so that the light shading slide block is enabled to move to the right side of the shell under the pulling effect of the elastic member. When the pulling force of the elastic member and the resistance of the light shading slide block are balanced, the light shading slide block stops moving and can shade light signal transmission between the light signal transmitting end and the light signal receiving end. The invention also discloses the water leakage detection combined device used for the high voltage converter and a method thereof. The water leakage detection device is convenient to install and maintain so that the water leakage situation of the high voltage converter can be accurately detected.

The invention discloses grinding equipment for chemical raw materials. A machine body is arranged at the middle part of the grinding equipment for the raw materials, and the middle part of the top endof the machine body is connected with a charge hopper through a vertical bolt. The grinding equipment for the chemical raw materials has the following beneficial effects: during use, a vibration excitation force can be generated through a vibration motor, and then a sieve screen on a vibration table is driven to vibrate, so that the grinded crushed materials can be loosened due to vibration; theeffects of buffer and absorption can be acted on the vibration force through springs on vibration reduction support legs, so that the equipment is prevented from vibrating to influence the use effect;then the grinded crushed materials fall into a storage box from meshes of the sieve screen; and a fourth bevel gear can be driven to rotate through a second motor and a third bevel gear, and then dispersing blades are driven to rotate through a transmission shaft, so that dispersing treatment can be better carried out on the grinded crushed materials, and the problems that the grinded raw material powder is easily agglomerated during use, and need to be manually dispersed after being grinded, so that poor grinding effect and low efficiency are caused.

The invention belongs to the technical field of T-beam pouring construction, and discloses a prefabricated T-beam end formwork and an anchor sealing construction process. The prefabricated T-beam endformwork comprises a first formwork body and a second formwork body, wherein the first formwork body is of an integrated shell structure with an opening, the opening of the first formwork body faces the side deviating from a T-beam body, the two ends of the opening are fixed to side formworks, the first formwork body is divided into an arc section, an anchor recess linear section, an anchor recesswidening section, an anchor recess horseshoe section and a leveling section from top to bottom in the first longitudinal axis direction of the first formwork body, anchorage device holes are formed in the anchor recess linear section and the anchor recess horseshoe section, the second formwork body comprises an anchor sealing formwork, the anchor sealing formwork is a flat plate piece, and the anchor sealing formwork can cover the end part of the T-beam formed after the first formwork body is poured. By arranging the first formwork body of the shell structure, the end with the anchor recess space is obtained by pouring at the end of the T-shaped beam body, the end is covered with the second formwork body, vibration pouring in anchor sealing construction is achieved, and the problems thatend concrete is prone to damage and cracking and poor in flatness are solved.

The invention discloses a punching and riveting device. The punching and riveting device comprises a support base arranged on an operation platform, a mounting bracket arranged on the support base and a plurality of punches, wherein a clamp body used for mounting a first part is arranged on the support base; the punches used for propping and jacking a first outer conical face to apply a riveting force to the first outer conical face so as to fasten a second part into a first mounting channel are arranged on the mounting bracket, the tops of the punches are connected with a force application bar which drives the corresponding punch to move downwards to prop and jack the first outer conical face so as to apply a riveting force to the first outer conical face, and the force application bar is vertically arranged on the mounting bracket; a first inner conical face for propping against the first outer conical face is formed on the bottom end surface of each punch, the inner taper angles of the first inner conical faces of the punches are different, and the punches are sequentially connected with the force application bar from the small inner taper angles to the big inner taper angles to realize riveting processing of the first outer conical face, so that the first outer conical face is gradually deformed to fasten the second part into the first mounting channel.

The invention discloses a locomotive audio-video monitoring cable which comprises a video control wire, a voice control wire and a power supply control wire, wherein, the video control wire, the voice control wire and the power supply control wire are wound by a winding belt to form a circle, a whole shielding layer and an outer sheath are sequentially covered outside the winding belt, and a drainage lead is arranged between the winding belt and the whole shielding layer. The locomotive audio-video monitoring cable is especially suitable for the transmission and the monitoring of voice-frequency and video digital signals inside the locomotive. The main technology of the product adopts a novel material and a new structure, thus having the advantages of multiple functions, good shielding property, tensile strength, torsional strength and durable performance, etc.

The invention relates to a circuit board. The circuit board comprises a substrate, a conducting layer, a solder layer and a gold melting layer. The conducting layer is located on the substrate. The conducting layer comprises a gold melting area. The gold melting area comprises a connection portion. The solder layer covers the conducting layer, and the solder layer is provided with a window corresponding to the gold melting area. The conducting layer is provided with at least one opening in the gold melting area. Because of the at least one opening, the substrate is exposed. Each opening possesses a circumferential side wall. The circumferential side wall is a side surface of the conducting layer which is exposed by the opening. The gold melting layer is located in the gold melting area. The gold melting layer covers the connection portion and covers one circumferential side wall of each opening. The invention also relates to a manufacturing method of the circuit board.

The invention discloses a composite magnesium silicate mechanical equipment thermal insulation filling material formula. According to the formula, the composite magnesium silicate mechanical equipment thermal insulation filling material is prepared from the following components in parts by weight: 10 percent of magnesium silicate fibers; 8 percent of rock wool; 6 percent of ceramic fiber cotton; 6 percent of slag wool; 13 percent of perlite; 5 percent of rare earth; 7 percent of refractory clay; 6 percent of building glue 108; 8 percent of polyvinyl alcohol solution; 6 percent of rapid curing agent; and the balance of water. A material prepared by the invention can resist corrosion, water and acid and alkali, the oil resistance is better than the oil resistance of conventional thermal insulation materials, the material can be widely applied to petroleum, chemical, steel, electric power and places such as petroleum transmission pipelines and gas transmission pipelines, and economic and social benefits are great.

The invention discloses an egg boiler which comprises a boiler, a boiler cover and an egg holding portion. The egg boiler is characterized in that the boiler is a cylindrical trough with the thick end up, a supporting portion is arranged in the middle of the boiler, the egg holding portion is arranged on the supporting portion, and the boiler cover is arranged at the top of the boiler. A handle is arranged above the boiler cover, the egg holding portion is provided with a plurality of recessed egg grooves and water holes in uniform distribution, a long handle is arranged at the center of the egg holding portion, and a supporting side matched with the supporting portion is circularly arranged around the egg holding portion. Using the egg boiler for boiling tea eggs can extremely easily break all egg shells, and eggs can be quickly fished out by pulling the long handle after the eggs are boiled thoroughly and then put into cold water for cooling. The egg boiler is simple in structure, low in production cost, easier to popularize and wide in market prospect.