114results about How to "Avoid stripping" patented technology

A system is disclosed for installing a dental implant in a jawbone of a patient. The system includes a threaded drive shaft rotatable about an axis and guide means for supporting the drive shaft with its axis oriented in a path along which the implant is to be installed. The guide means has a threaded bore for receiving a drive shaft and an opening which extends parallel to the axis of the drive shaft and opens radially outwardly from the bore. The drive shaft can then be engaged with and disengaged from the guide means by radial displacement of the shaft parallel to its axis. A drill is adapted to be releasably coupled to a leading end portion of the drive shaft and may be a self-drilling implant. Means is provided for rotating the drive shaft in a direction to cause the drill to penetrate the jawbone of the patient.

The invention provides a method for detecting the interface binding strength of an aluminum-steel composite material for soldering. The method can be used for accurately detecting the aluminum-steel interface binding strength and quantifying the interface binding effect of the aluminum-steel composite material for the soldering. The method comprises the following steps: firstly, preparing a test sample of the aluminum-steel composite material and carrying out a stripping test on the test sample; and calculating according to a test result to obtain a binding strength value of an aluminum-steel interface. The method is characterized in that the preparation of the test sample comprises the following steps: soldering and connecting a metal reinforced layer on the surface of an aluminum layer of the sample and forming a compound layer by the metal reinforced layer and the aluminum layer of the sample. The binding strength of the metal reinforced layer in the compound layer and the aluminum layer of the sample is greater than the binding strength of the aluminum-steel interface; in the stripping test, the compound layer and a steel layer in the sample are stripped by a tension tester.

An all-terrain inspection robot relates to a robot, the robot includes a robot detection device (1), a pan/tilt (2), a triangular drive train (3), a wireless antenna (4), and a robot body (5); The device (1) includes a protective sealing cover (6), a temperature sensor (7), a laser ranging (8), an indicator light (9), a high-definition visible light camera (10), a sound probe (11), an infrared probe (12), The flashlight (13); the cloud platform includes a worm gear reducer (14), a detection device butt joint flange (15), an acceleration gear set (16), a rotating motor (17), and an elevation motor (18); There are crawlers, and the triangular driving wheel train is connected to the motor; the wireless antenna is provided with receiving and transmitting signal devices; the robot of the present invention can be widely used in complex terrain power inspections, space detection, explosion rescue and other occasions.

The invention discloses a pipe packing machine which comprises a rack, an automatic feeding device, magnetic isolating type film penetrating devices, film clamping devices, compressing devices and sealing devices. Driving supporting wheels used for supporting and limiting pipes and driving packing films on the pipes to move backwards and locating devices used for locating the rear ends of the pipes are arranged on the rack. The magnetic isolating type film penetrating devices are arranged at the front end of the rack and used for opening the packing films, sleeving the front ends of the pipes with the packing films and locating the front ends of the pipes. The film clamping devices slide in the front-back direction of the rack and used for clamping the packing films opened by the magnetic isolating type film penetrating devices and sleeving the rear ends of the pipes with the packing films from the front ends of the pipes. The compressing devices are suspended above the rack and used for compressing the pipes downwards. The sealing devices are suspended above the rack and located at the front end and the rear end of the rack respectively, and the sealing devices are used for carrying out edge cutting and sealing on the packing films. The pipe packing machine can complete the motion of sleeving the pipes with the packing films automatically, stably and effectively, and the films can be prevented from falling off.

The invention discloses a stage lighting color filter device which comprises a color filter wheel and a lamp body. The color filter wheel is located in front of the lamp body, a color filter strip is arranged around the center of the color filter wheel, one end of the color filter strip close to the center of the color filter wheel serves as an inner end of the color filter strip, the inner end of the color filter strip is protruded towards one side of the lamp body, so that the color filter strip has an angle of inclination relative to the front end face of the lamp body, and the lamp body is opposite to the color filter strip. The stage lighting color filter device can lower temperature of a central zone of the lamp body and prolongs service life of the lamp body.

The invention relates to the technical field of energy storage, particularly to an electrode sheet, and an electrochemical device and electronic equipment comprising the same. The electrode sheet provided by the invention comprises a current collector and a diaphragm, wherein the diaphragm comprises a bottom coating arranged on the surface of the current collector and an active substance layer arranged on the surface of the bottom coating, the bottom coating comprises a first binder and a first conductive agent, and the binding power of the diaphragm and the current collector is greater than or equal to 20 N/m. According to the invention, the problem that in the prior art, due to the fact that the bonding force of the active material part close to the surface of the current collector is low, the electrode sheet is prone to stripping can be solved.

The invention provides a battery electrode, a preparation method thereof, and a battery. The battery electrode comprises a current collector and an active substance layer coated on the current collector; a micro-nano particle layer is adhered to the surface of the active substance layer; the active substance layer comprises electrode active substance and electrode binder; the micro-nano particle layer comprises micro-nano dry powder particles; and the micro-nano dry powder particles comprise dry powder particles of the micro-nano electrode active substance. Interface impedance between the electrode and electrolyte is reduced and rate discharge performance of the battery is improved; a micro-nano active material reduces serious volume effect of the material; and specifically, the micro-nano particle layer may not comprise the binder preferably, so that the large-current discharge characteristic of the battery is improved further. The method is simple and is easy to implement; and the combinability between the micro-nano particle layer and the active substance layer is high, and the surface of the active substance layer is not polluted by the substances of an upper layer.

The invention relates to an HE dyeing device suitable for batch dyeing of various tissues. The HE dyeing device comprises a stainless steel multilayer supporting frame, a light-proof liquid storage bottle, a washing liquid storage bottle, a circular porous flow splitting disk, a dropping liquid conduit, a supporting bottom box and a rotatable angle objective table. According to the HE dyeing device provided by the invention, the circular porous flow splitting disk is arranged at a liquid flow conduit, which is similar to a shower head sprinkler type structure, a plurality of drainage tubes areadded, switches are arranged on the drainage tubes, and the number of the switches can be appropriately adjusted according to the experimental needs, and batch dyeing can be simultaneously performedto shorten the operation time; and the rotatable angle objective table is installed in a pulley, the location and angle can be adjusted by a handle, a glass slide neck and liquid waste drainage channel are arranged on the objective table, so that glass slides can be well fixed, and the problem of mutual contamination between the glass slides is solved.

The invention relates to a reinforcing element (1), comprising a first reinforcing mat (2) and a second reinforcing mat (3) having metal mat rods (6), which are welded at angles to each other at junction points (7), which reinforcing mats (2, 3) are held spaced apart from each other at a normal distance (9) by rod-shaped spacers (8) with respect to the first mat plane (4) and the second mat plane (5) of the reinforcing mats. The spacers (8) are metal and are permanently connected to individual mat rods (6) of the first reinforcing mat (2) and of the second reinforcing mat (3) by welding connections (10), preferably resistance welding connections, wherein at least individual spacers (8) protrude outward at least beyond the first mat plane (4) of the first reinforcing mat (2) in a direction (11) pointing away from the second reinforcing mat (3) by a first protrusion length. The invention further relates to a double wall equipped with the reinforcing element and to methods for producing the reinforcing element and the double wall.

The invention relates to a method for preventing montmorillonite from stripping in an aqueous solution. The method comprises the following steps: firstly dissolving an agent into water to make an agent solution, wherein the agent concentration of the agent solution is 40-80 g/L; then mixing a montmorillonite mineral with the agent solution, wherein the mass ratio of the montmorillonite mineral to the agent solution is (50-100):1; putting the mixture into an ore grinding machine, and mixing at the rotating speed of 100-200rev/min for 50-70 minutes, wherein the agent is lauryl sodium sulfate, octadecyl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, or cetyl trimethyl ammonium bromide. The method is used to fulfill the purpose of preventing montmorillonite mineral from stripping in water, and prevents the montmorillonite mineral from forming a fine particle in the aqueous solution, the carrying of slurry in the floatation of the montmorillonite mineral is reduced, meanwhile, the efficiency of solid-liquid separation in treatment of tail water of an ore treatment plant is also improved.

The invention relates to a rubber lantern ring produced by a micro wave curing process. The process comprises the following steps of: extruding mixing rubber by an extruder, wherein the temperature setting of the extruder is that: the temperature of an extruder head is between 60 and 80 DEG C, the temperature of an extruding section is between 55 and 75 DEG C, and the temperature of a plasticizing section and a feeding section is less than 45 DEG C; introducing the extruded semi-finished product into micro wave curing equipment directly for curing, wherein the micro wave curing equipment has five micro wave bands, namely two micro wave bands before closing a micro wave device and 3 micro wave bands after opening the micro wave device, the total power of micro waves is kept between 3,000 and 6,000 W, the temperature of the micro wave bands is set to be 150 DEG C, and the temperature of a heating band is set to be between 170 and 190 DEG C, 190 and 210 DEG C and 210 and 230 DEG C respectively from front to back; and after cooling, cutting according to the size requirement of the product. The inside and outside of the product are heated simultaneously under the action of the micro waves and reach preset curing temperature quickly, so the curing efficiency is improved greatly. In addition, micro wave curing belongs to a continuous curing process, so links of placing, core rod sleeving, stripping cleaning and the like can be saved in the production process.

The invention relates to a pre-flushing refined filtration oil filling circuit device. The pre-flushing refined filtration oil filling circuit device is characterized by comprising a first refined filter, a second refined filter, a pre-flushing oil tank, a temperature controller, a main system oil return filter set, a main oil tank circulating filter, a main oil tank, an oil-water-gas separator, a main system circulating pump, a first high-flow flushing pump set, a second high-flow flushing pump set, a circulating pump and a main control cabinet. The main control cabinet is used for conducting logic control over elements including an electric control valve. The pre-flushing oil tank temperature controller is installed on the pre-flushing oil tank to detect and control the temperature of the pre-flushing oil tank. A main oil tank oil return filter is connected to the main oil tank and used for filtering return oil of a main system. The main system circulating pump and the circulating filter are connected to the main oil tank and used for conducting continuous circulating filtering on oil in the main system oil tank. The oil-water-gas separator is connected with the pre-flushing oil tank and the main oil tank through the electric control valve.

The invention provides a portable high-voltage grounding wire. The portable high-voltage grounding wire comprises an electric connecting clamp and an operation insulating pipe sleeve, wherein an operation handle is arranged on the electric connecting clamp in a penetrating mode, and the electric connecting clamp is provided with a lower puncture needle; the operation insulating pipe sleeve is fixedly connected with a lead end wire clamp provided with an upper puncture needle; one end of the operation handle is connected with the electric connecting clamp, and the other end of the operation handle stretches out of the operation insulating pipe sleeve; the end, away from the operation handle, of the electric connecting clamp is in contact with the lead end wire clamp. According to the grounding wire, the electric connecting clamp and the operation handle are arranged in the operation insulating pipe sleeve, a user can carry out rotation operation through the operation handle with one hand, the other hand is used for holding the operation insulating pipe sleeve for fixing, both hands are cooperated to realize effective fixation for the portable high-voltage grounding wire; moreover, the disassembly and assembly of the portable high-voltage grounding wire are more coherent and quicker, the lead end wire clamp cannot be driven to rotate, and the labor intensity is reduced; moreover, the upper puncture needle and the lower puncture needle are arranged, so that a lead insulating layer is prevented from being peeled off, and the damages to leads and the personal safety of workers are reduced.

The invention relates to a projection device which is used for projecting images onto a projection screen; the projection device comprises a light valve for providing the images and a non-telecentric projection lens for projecting the images. The non-telecentric projection lens comprises a plurality of spherical lenses which comprise a first lens group and a second lens group. The first lens group is arranged between the light valve and the projection screen, has negative refractive index, and comprises a first meniscus lens. The second lens group is arranged between the first lens group and the light valve, has positive refractive index, and comprises a second meniscus lens. According to the projection device, only the spherical lenses are used, so that the projection device is light in weight, thin in thickness, small in size and lower in production cost. Because glass has a smaller expansion coefficient compared with plastics, stripping or the changes of optical properties caused by the impact of temperature changes can be prevented, so that the impact of the temperature changes on the projection device is reduced, and stable imaging can be maintained under high temperature changes.

The invention discloses a water-based lithium-sodium ion battery and a preparation method and application thereof. The battery takes a lithium manganate material as a positive electrode active substance and a carbon composite sodium titanium phosphate material as a negative electrode active substance; a lithium salt, a sodium salt, a zinc salt and urea are dissolved in water to prepare a mixed electrolyte; graphite, carbon nanotubes, polyvinylidene fluoride and a polymer net are compounded to prepare a graphite-based composite film as positive and negative electrode current collectors; a polepiece is prepared by a coating method, a battery cell is prepared by a lamination method, and a battery is assembled by connecting a stainless steel or graphite nut with a tab. The prepared battery has the advantages of long cycle life, high charge-discharge coulombic efficiency, low self-discharge rate, high energy density, low price, high rate capability and wide use temperature range, and can be used as an electric bicycle power battery or an energy storage battery.

The invention relates to the field of separation membrane preparation, in particular to a preparation method for a tubular membrane of a PI(polyimide) non-woven supporting tube. The method comprises the steps of preparing a membrane casting solution, winding the PI(polyimide) non-woven tube, carrying out scrape coating on the membrane casting solution and carrying out post-treatment on the tube coated with the membrane. The prepared tubular membrane has good high-temperature resistance, low-temperature resistance, chemical corrosion resistance and tensile resistance and can be applied to the fields of water treatment and material separation; due to the heat resistance and the organic solvent resistance of PI(polyimide), the tubular membrane of the PI(polyimide) non-woven supporting tube has great significance in separation of high-temperature and organic liquid; and for some special high-temperature and low-temperature feed liquid, the organic solvent separation effect is good, and thegood performance can be kept for the long-term use.

The invention discloses an amorphous carbon coated graphite composite, a preparation method thereof and application of the amorphous carbon coated graphite composite serving as a lithium ion battery cathode material. The preparation method of the composite includes mixing template with acrylonitrile monomers, and adding initiator and water for polymerization reaction to obtain a template/polyacrylonitrile composite; dispersing graphite and emulsifier in water to obtain a graphite compound; adding the template/polyacrylonitrile composite into the graphite compound for emulsion reaction, adding acid liquor for etching to remove the template to obtain a porous polyacrylonitrile/graphite composite, soaking the porous polyacrylonitrile/graphite composite in lithium liquor, and drying and splitting the porous polyacrylonitrile/graphite composite after taking out the same from the lithium liquor to obtain the amorphous carbon coated graphite composite. The amorphous carbon coated graphite composite has the advantages of large interlayer spacing, excellent low-temperature performance, high liquid absorbing and retaining ability, high gram volume and the like; lithium is stored in micropores in advance, so that lithium consumption in lithium ion batteries is reduced, first-time reversible capacity of the lithium ion batteries is reduced, and specific capacity of the lithium ion batteries is increased.