31results about How to "Prevent unstable" patented technology

There are provided a rear wheel rotatably provided in a body, a seat disposed on a top surface side of the body, a seat link mechanism by which the seat is supported to be movable up and down between a raised position and a lowered position on the top surface side of the body, and a brake mechanism which inhibits the rear wheel from rotating in interlock with the seat link mechanism, when the seat is raised from the lowered position to the raised position.

The invention discloses a preparation method of a molybdenum titanium alloy material with high density, large size and high homogeneity. The method comprises the following steps: 1) adding a solvent and a binder to Mo powder and Ti powder and grinding into slurry; 2) atomizing and pelletizing the slurry by using a spraying machine, wherein the inlet temperature is 250-300 DEG C, and the rotating speed of a spray nozzle is 8000-12000rpm, so as to obtain Mo-Ti composite powder; pressing the composite powder into blanks with regular sizes; 3) loading a plurality of blanks into a sheath, filling the Mo-Ti composite powder of 50-250 microns into the adjacent blanks to form a uniform composite powder layer, wherein the thickness of the composite powder layer is 0.5-1mm, and the condition that a gap between the inner wall of the sheath at any side and the outer wall of the adjacent blank is smaller than or equal to 0.5mm is ensured; and 4) welding and degassing the sheath and then carrying out hot isostatic pressing treatment at 750-900 DEG C and 120-160MPa and removing the sheath, wherein the heat-preserving and pressure-maintaining time is 4-6 hours. The target material fabricated by the method can be used as a cathode material of a magnetron sputtering technique.

A monitoring device for a secondary battery includes: a detection part that detects a use state of the secondary battery; and a switching part, wherein the switching part switches a protection condition applied to the secondary battery in accordance with the user state of the secondary battery.

A trailer-stabilizing device that stabilizes movement between a fifth-wheel trailer and the towing vehicle during normal trailering operations and that more effectively distributes the weight of the trailer to the towing vehicle is disclosed. The trailer-stabilizing device extends between the trailer and towing vehicle and is preferably positioned spaced apart from a traditional hitch and tongue connection pivotally securing the towing vehicle to the trailer. Preferably, the fifth-wheel trailer is pivotally secured to a conventional hitch within the bed of the pickup truck, and the stabilizing device is detachably secured to a conventional receiver on the back of the pickup truck.

A plasma processing apparatus having 90% or more of a side wall of an inner wall 101 of a reaction chamber 1 covered with a dielectric 102, and equipped with an earthed conductive member 21a having an area of less than 10% of the side wall area of the inner wall 101 and having a structure to allow direct current from a plasma to flow therein, wherein the DC earth formed of the conductive member 21 is located at a position where floating potential of plasma (or plasma density) is higher than the floating potential of plasma 9 located near a wafer holding electrode 14 where there is relatively large wall chipping.

The invention discloses a leading line self-walking dangerous chemicals raw material barrel. The leading line self-walking dangerous chemicals raw material barrel comprises a shell and a walking mechanism; the walking mechanism is arranged at the lower end of the shell; the walking mechanism comprises a support frame, a control power box, walking wheels, a color sensor and a leading joint strip; the support frame is arranged at the lower end of the shell; the control power box is arranged in the support frame; the walking wheels are arranged on two sides of the control power box; the color sensor is arranged at one end of the power box; the leading joint strip is arranged on the ground; a detecting mechanism is arranged on the inner side of the shell; and a microprocessing chip is arranged in the control power box. The invention further discloses a working method of the leading line self-walking dangerous chemicals raw material barrel. The raw material barrel can be automatically conveyed; the change of raw materials in the raw material barrel can be automatically detected; and faulted raw materials barrels are automatically taken away from a conveying area or a storage area of normal raw material barrels to prevent the danger of operators directly facing dangerous chemicals.

The invention discloses an adjustable advertising stand for an advertising board. The adjustable advertising stand comprises a telescopic ring buckle, the ring buckle comprises several clamping bucklebodies, the cross section areas of all the clamping buckle bodies are reduced in sequence, a strut is connected to each clamping buckle body, a slide groove for adjacent clamping buckle bodies to slide is formed inside each clamping buckle body, the ends, located in the slide grooves, of the clamping buckle bodies are provided with protrusions, the struts are hinged to the clamping buckle bodies,the clamping buckle bodies are provided with grooves for accommodating the struts, limiting grooves are further formed in one ends of the grooves, limiting boxes are slidably connected into the limiting grooves, springs are connected between the limiting boxes and the bottoms of the limiting grooves, guide grooves are formed in the slide grooves, slide blocks are slidably connected into the guidegrooves, push blocks are connected to the slide blocks, through holes are formed between the guide grooves and the limiting grooves and are internally provided with metal elastic sheets connected between the slide blocks and the limiting boxes, limiting blocks are further slidably connected to the clamping buckle bodies, one ends of the limiting blocks are located outside the clamping buckle bodies, and the other ends of the limiting blocks are located in the guide grooves. The problems that there are many parts of the advertising stand, detachment is complex, and storage and reinstallation are inconvenient.

The invention provides an animal belly inspection and diagnosis and treatment bench for a vet. The animal belly inspection and diagnosis and treatment bench comprises a spring, a drawer, a crawler belt wheel, an excrement storage bucket and a power supply hub, wherein a storage tank and an accommodating tank are formed in the end surface of the top of the diagnosis and treatment bench; supportingcolumns are arranged on the end surface of the top of the diagnosis and treatment bench, so right legs of the animal can be fixed and lifted; a to-be-inspected part of the animal can be fully displayed in front of the worker, so post-inspection work can be quickly and conveniently conducted and work efficiency can be improved; with slide blocks, chain blocks and Velcro tap fixing rings can move left and right on a preset track, so animals with different sizes can be fixed; use efficiency of the animal belly inspection and diagnosis and treatment bench can be enhanced; with the Velcro tap fixing rings, the workers can quickly fix the animal legs; and detachment work can be quickened, so time consumption can be reduced.

The invention provides a magnesium oxychloride aeolian sand composite material capable of being subjected to 3D printing, and relates to the technical field of building materials. The magnesium oxychloride aeolian sand composite material comprises the following components in parts by weight: 0.9-1.1 parts of magnesium oxide powder, 0.4-0.6 part of magnesium chloride hexahydrate, 2.0-4.0 parts of aeolian sand, 0.4-0.6 part of water, 0.1-0.2 part of fly ash, 0.1-0.2 part of silica fume and 0.003-0.008 part of cellulose ether; the magnesium oxide powder comprises MgO with the mass content of 70% or above and the balance being MgCO3 and CaO. The magnesium oxychloride aeolian sand composite material is extremely low in static yield stress, dynamic yield stress and plastic viscosity, extrudate is continuous and free of breakage, and the magnesium oxychloride aeolian sand composite material is more suitable for 3D printing; and the early shrinkage strain is -0.0028, the 28d compressive strength is 35-57 MPa and the breaking strength is 7-13.1 MPa within 8 hours under a high aggregate ratio.

The invention relates to a lead frame for manufacturing a rectifier, comprising a supporting chip, a plurality of first connecting sheets and a plurality of second connecting sheets, wherein the supporting chip mainly comprises a first positioning pin, a second positioning pin and a plurality of chip welding zones, wherein the plurality of chip welding zones are positioned between the first positioning pin and the second positioning pin in an arrangement way of at least two rows and at least two lines; the first connecting sheets are provided with fifth welding point zones used for corresponding to first welding point zones and sixth welding point zones used for corresponding to fourth welding point zones; and the second connecting sheets are provided with seventh welding point zones used for corresponding to second welding point zones and eighth welding point zones used for corresponding to third welding point zones. The invention solves the problems of strict requirements for smoothness and low copper material utility ratio in the prior art, greatly reduces the probability of crystal grain damage or poor contact and enhances the copper material utility ratio.

The invention belongs to the technical field of dispersing machines, and discloses a textile assistant dispersing machine, which comprises a base, a stabilizing device is arranged on one side of the interior of the base in the vertical direction, a driving bin is arranged on one side of the upper portion of the base in the vertical direction, and a pedestal of the driving bin is fixedly connectedto the base, and a generating barrel is disposed above the other side of the upper part of the base. According to the textile assistant dispersing machine, a lifting mechanism and a rotating mechanismare arranged, and a second motor drives a stirring rod to rotate at a high speed, so that a dispersing disc can fully and completely stir textile assistants in the generating barrel; a first motor ina driving bin works to drive a rotating device to perform translational motion in the vertical direction, so that the dispersing disc can perform vertical large-range stirring work in the generatingbarrel, and the textile assistants can be uniformly and better emulsified and dispersed, and the working efficiency and quality of the dispersing machine are improved.

The invention discloses a combined technique for producing a high-end graphite carbon material. The method comprises the following steps: fractionating raw oil to obtain heavy distillate oil and lightdistillate oil; discharging the heavy distillate oil from the device (or discharging a part of the heavy distillate oil from the device and circulating a part of the heavy distillate oil to the bottom of a fractionating tower), introducing a part of the light distillate oil into a hydrotreating device, carrying out a hydrotreating reaction in the presence of hydrogen and a hydrogenation catalyst,mixing the hydrotreated material with residual light distillate oil after hydrotreating, serving the mixture as a coking raw material (also called as a green coke raw material); and feeding the coking raw material into a coking device, and carrying out reactions to obtain the high-end graphite carbon material. The method can be used for continuously producing the high-quality high-end graphite carbon material with a stable performance.

The invention relates to composition containing flupirtine maleate and a preparation method of the composition. The composition is prepared from raw materials in percentage by weight as follows: 25%-35% of flupirtine maleate, 50%-70% of a diluent, 1.5%-4.5% of a disintegrating agent, 1.5%-4.5% of a flow aid, 0.5%-1.5% of a cosolvent and 0.5%-1.5% of a lubricant. The problem that the raw materials are unstable under illumination and high-humidity conditions is solved. The composition is stable in quality, the content of flupirtine maleate, related impurities and dissolution rate have no remarkable change, the in-vitro dissolution behavior is consistent with that of flupirtine maleate capsules from the German AWD company, the risk of clinical effect difference is reduced, the process is simple, and realization of industrial production is facilitated.