303results about How to "Won't fall off easily" patented technology

The invention discloses an antibacterial fiber. The fiber comprises following raw materials, by weight: 1 to 15% of silver oxide powder or silver nitrate powder; and one or more selected from polybutylene terephthalate, polyamide, polypropylene and polyethylene; with the balance being polyethylene glycol terephthalate. The raw materials are mixed uniformly and then the fiber is produced by melting spinning. The formula of the antibacterial fiber is reasonable; antibacterial material is embedded into the matrix material of the fiber, so that the active compounds will not fall off easily; the stability of the fiber is excellent; and the fiber is capable of preventing and killing bacterial in a long term. Antibacterial and mould-proof effects of the fiber are excellent; the fiber is capable of preventing bacterial, and also controlling and preventing fungus (mould) effectively. Blending ratio is low, and the antibacterial performance is excellent; and the fiber is capable of keeping bacterial away; so that the blending ratio is reduced, cost is saved, and antibacterial performance is enhanced. The fiber is safe to use, and can be widely applied in the field of medical equipment, medical clothes, military, household textile product, clothes, and outdoor activities.

The invention discloses automatically-registrated plug and socket comprising a plug body and a socket body as well as permanent magnets A matched with the electrodes I, wherein the end part of the plug body is provided with two electrodes I, synonyms electrodes of the permanet magnets A corresponding to the electrodes I are set as synonyms poles, a single round hole is formed on the socket body and is an imbedding hole for the plug body, the bottom of the single round hole is provided with two electrodes II, permanent magnets B matched with the electrodes II, and the synonyms electrodes of the permanet magnets B corresponding to the electrodes II are set synonyms poles. When the plug is close to the single round hole of the socket, the plug and the socket are guided to be in butt joint by virtue of mutual repulsion or attraction of poles so as to complete automatic registration and contact of electrodes. Registration refers to registration of the plug and the socket hole as well as the registration of the electrodes of the plug and the socket. The automatically-registrated plug and socket can be widely applicable to AC power supply coupling of household appliances, thus facilitating use of household appliances for customers and having a good market prospect.

The invention discloses a ceramic tile with antifouling glaze. The surface of the ceramic tile is spray-coated with surface glaze. The surface glaze is prepared from 30 to 45 portions by weight of albite powder, 3 to 8 portions by weight of quartz powder, 2 to 6 portions by weight of calcite, 5 to 10 portions by weight of talc powder, 10 to 16 portions by weight of calcined kaolin, 3 to 7 portions by weight of a solvent, 6 to 10 portions by weight of zirconium white frit, 5 to 9 portions by weight of washing ball clay, 3 to 8 portions by weight of a hyperdispersant, 8 to 16 portions by weight of alumina powder, 14 to 20 portions by weight of zirconium silicate, 2 to 7 portions by weight of praseodymium yellow, 1 to 3 portions by weight of zirconium iron pink, 0.1 to 0.6 portions by weight of methylcellulose and 0.3 to 0.6 portions by weight of sodium tripolyphosphate. The preparation method of the surface glaze comprises adding raw materials into a ball mill according to the above ratio, adding 0.3 to 0.5 times water into the raw materials on the basis of the mass of the raw materials and carrying out ball milling until glaze slurry fineness of 250-500 meshes. The glaze can effectively prevent the quality problem caused by the color difference.

The invention discloses a manufacturing method for an ultrathin embossment protective case. The manufacturing method comprises the following steps of 1) preparing a vacuum-thermoforming material; 2) thermoforming the vacuum-thermoforming material to form a plate material with a plurality of recesses matching with profiles of to-be-protected products uniformly distributed on the surface of the plate material; 3) punching the plate material to form a plurality of semi-finished product shells matching with the profiles of the to-be-protected products; 4) performing trimming and shaping treatment on the semi-finished product shells; 5) flap-molding the semi-finished product shells; and 6) carrying out hot-press punching treatment on the semi-finished product shells to obtain the ultrathin embossment protective case. By using the principle of the thermoforming technology and improving every process, technology and machinery equipment, the ultrathin embossment protective case can be manufactured efficiently and accurately; the problems of temperature resistance and pull-up property of conventional different materials can be well solved; the ultrathin embossment protective case has excellent high temperature thermoforming performance and relatively low cost; and the composite material is suitable for preparation of full-automatic composite machines.

The invention provides a photodiffusion agent which contains polyurethane-acrylate, polymerizable monomers and organic particles, wherein the number-average molecular weight of the polyurethane-acrylate is 1000-10000, the polymerizable monomers are acrylate monomers of at least two multifunctional groups, and the average particle diameter of the organic particles is 1.8-30 micrometers. The invention also provides a photodiffusion film and a preparation method thereof. The photodiffusion film comprises a substrate and a photodiffusion layer attached to one surface of the substrate, wherein thephotodiffusion agent provided by the invention cures under the action of UV (ultraviolet) to form the photodiffusion layer. The photodiffusion layer in the photodiffusion film, which is prepared fromthe photodiffusion agent provided by the invention, has favorable mar resistance, and the photodiffusion film has favorable light transmittance and photodiffusion performance.

The present invention belongs to the field of facial masks and particularly discloses an inflammation-preventing and acne-removing facial mask containing natural ingredients. The inflammation-preventing and acne-removing facial mask comprises essence liquid, facial mask paper and plastic paper with the essence liquid attached thereto, and a facial mask packaging bag; and the essence liquid is composed of water, a moisturizer, a preservative, a viscosity modifier, a synergistic component, a pH adjuster and an additive; and the additive is composed of an antioxidant and a soothing component. Byreducing proportions of compositions in the essence liquid and selecting more natural plant extracts as main care ingredients, side effects caused by the compositions when the facial mask is used forskin care are reduced, and effects of the essence liquid on moisturizing skin, removing acnes, preventing inflammation, firming skin, etc. are greatest so as to meet needs of various types of people for the facial mask.

The invention relates to a cotton-picking spindle, and belongs to the technical field of cotton-picking machines. The cotton-picking spindle mainly solves the problem in a current cotton-picking spindle that the impurity content in picked cotton is increased. The cotton-picking spindle is mainly characterized in that a cotton-picking part is provided with at least one continuous spiral groove along the axial direction and a threaded protrusion, the position in the spiral groove and / or the side wall of the threaded protrusion are provided with hook teeth, and the hook teeth do not rise above the threaded protrusion where the hook teeth are located; the threaded protrusion is continuous, or at least a small part of the slit width of top face of the threaded protrusion is lesser than 1.5 mm; the rotation direction of the threaded protrusion is the same as the rotation direction of the spindle when cotton-picking is carried out. The cotton-picking spindle is mainly used for cotton picking, when the spindle is in contact with hard objects such as cotton branches, cotton bolls or cotton stalks, the piercing depth of the hook teeth is limited by the threaded protrusion, the probability for picking impurities by the spindle is lowered, when the spindle is in contact with the soft and fluffy cotton, the spindle rotates to hook the cotton and winds the cotton onto the spindle-self so that the cotton can be picked off from the cotton bolls, and therefore the impurity content in the picked cotton is greatly lowered.

The invention discloses cranberry cookies and a preparation method thereof. The cranberry cookies are prepared from the following raw materials in parts by weight: 245 to 255 parts of flour, 88 to 93 parts of sugar powder, 70 to 75 parts of butter, 70 to 75 parts of cream, 45 to 50 parts of cranberry dices, 38 to 43 parts of whole milk powder and 35 to 40 parts of egg liquid. The cranberry cookies prepared by mixing Risu cream and Anchor butter have rich milk fragrance; meanwhile, by the adding of the egg liquid and milk powder, the surfaces of the baked cranberry cookies are smoother; the ratio of the flour to the cranberry dices ensures that the cranberry dices can be well distributed on the surfaces of the cookies and are hard to fall off; furthermore, the cranberry dices cannot be dry and tasteless within the quality guarantee period with the passing of time.

The invention provides a tubular part assembling clip for a vehicle, which is provided with a clip body for clamping tubular parts and a clip pin which is matched with an installation hole on a vehicle body. The clip body is a lock catch type clip body and is provided with a buckle base and a movable buckling strip, wherein one end of the movable buckling strip is connected with the buckle base, the joint part is a rotating shaft structure formed by material thickness reduction during molding, and the other end of the movable buckling strip forms an inner lock catch which is buckled with an outer lock catch at the corresponding end of the buckle base. The inner diameter of the movable buckling strip after being bucked with the buckle base is less than the external diameter of a clamped tubular part. The clip structure provided in the invention can be firstly clamped on a tube conveniently, and then the tube is assembled on the vehicle, and the clip also can be firstly installed in clamping hole, and then the tube is installed on the clip. By adopting the invention, transportation, material management and installation are all very convenient.

The invention relates to the field of coal slurry pretreatment, in particular to a multi-impeller mixed flow field ore pulp preprocessor based on ore pulp pipeline pressure drive. The multi-impeller mixed flow field ore pulp preprocessor comprises a mixing box, a driving rotary shaft and a driven rotary shaft. A driving gear is coaxially arranged on the driving rotary shaft, and a driven gear is arranged on the driven rotary shaft to form the meshing relation. A driving turbine is further coaxially arranged on the driving rotary shaft. A group of stirring impellers is fixed to the driving rotary shaft, and a group of stirring wheels is fixed to the driven rotary shaft respectively in a coaxial and mutual equal-height mode. In the vertical direction, the stirring impellers and projections of the stirring impellers produce intersections. A guide sleeve is arranged under the driving turbine. Guide blades are arranged inside the guide sleeve in a circinate mode, and the rotating direction of the mixed liquid guided by the guide blades is mutually identical to the rotating direction of the stirring impellers under the guide blades. The multi-impeller mixed flow field ore pulp preprocessor can play a very good hardening and tempering effect on floated coal slime, is especially suitable for slurry-mixing and quality-improving demands of fine coal difficult to float and is high in working efficiency, and the preprocessing process is quick and convenient.

The preparation process of biological yeast preparation for preventing and treating post-picking diseases of orange includes shaking table culture of mucorhodotorula in malt juice culture medium, centrifugal separation, collecting thallus, compounding mucorhodotorula suspension of 1E8-5E8 / ml or preparing dry powder with freeze drying machine at -40 to -45 deg.c, and storing. The biological yeast preparation of the present invention can tolerate harsh environment of high temperature, low temperature, field, etc. and may be used before or after picking of orange to prevent and treat orange diseases. It has no influence on the quality of orange and no harm on human body.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a preparation method of a high-nickel positive electrode material of a composite coating layer. The method comprises the following steps: (1) adding the high-nickel positive electrode material and soluble aluminum salt into deionized water, and stirring; (2) adding an alkaline solution of lithium salt into the solution in the step (1), stirring, and enabling the pH value to be 8-14; (3) carrying out suction filtration and washing on the mixed solution obtained in the step (2), and drying in a drying oven; and (4) uniformly mixing the positive electrode material dried in the step (3) with a nano coating agent, then putting the mixture into a preheated box-type furnace filled with oxygen for sintering, and sieving to obtain the high-nickel positive electrode material with the composite coating layer. Compared with a pure dry coating method, the wet precipitation coating method has the advantages that the coating uniformity and an acting force on the surface of the high-nickel positive electrode material are stronger, the coating is uniform, the thickness of the coating layer is controllable, and the comprehensive electrochemical performance of the positive electrode material is improved.

A circuit board is disclosed and includes a circuit board body, A first cushion block and a mounting hole, A top frame is horizontally connected to the top of the circuit board body, and the bottom ofthe circuit board body is horizontally connected with a bottom plate, A longitudinally arrange first cushion block is connected with that top four corner of the circuit board body, the top frame andthe bottom plate, a second cushion block is connected with the bottom of the first cushion block, two sides of the bottom plate are clam with sliding rails along the length direction, and the bottom plate is fixedly connected with the sliding block through four groups of positioning holes and bolts. A limit position plate is horizontally connected between that two second pad blocks at the two endsof the top of the circuit board body and between the two second pads at the two side of the top, and a pressing plate connected with the horizontal arrangement is connected at the bottom of the limiting plate. The position of the circuit board body inside the electrical equipment is easy to adjust and change, and the circuit board body installation is more convenient and quick, and can meet different installation needs. When the whole circuit board needs to be disassembled, replaced or repaired, it can be disassembled freely.

The invention relates to a light adjusting film electrode manufacture method. The light adjusting film comprises light adjusting liquid crystal layers arranged on both side surfaces of a liquid crystal layer and respectively provided with a conductive film, wherein pressure-sensitive adhesives are respectively applied on the outer side of the two conductive films relative to the liquid crystal layer. The light adjusting film electrode manufacture method comprises the following steps: respectively cutting both sides of the light adjusting film from the upper surface and the lower surface; sequentially removing one layer of the pressure-sensitive adhesive, the conductive film and the liquid crystal layer from outside to inside to form a connection groove; applying a conductive adhesive on the surface of the conductive film on the inner side of the connection groove; arranging a reticular conductor on the conductive film, wherein the exposed part of the reticular conductor extends out of the light adjusting film; curing the conductive adhesive by an overheating furnace; forming solder joints on the surface of the exposed part of the reticular conductor by welding to connect conducting wires; and embedding the solder of the solder joints in the grid structure of the reticular conductor to substantially and effectively connect the conductive film and the reticular conductor through the conductive adhesive firmly. Further, the welding heat is prevented from being conducted to the liquid crystal layer and the conductive film so as not to destroy the liquid crystal layer and the conductive film, and the voltage and the current can be uniformly and effectively conducted to the conductive film through the reticular conductor to improve the response and the efficiency of the light adjusting film.

The invention discloses a signal tower for big data artificial intelligence communication based on a 5G communication network, including embedded parts, a slide and support rods. The inside of each embedded part is connected with a fixing bolt, and a nut is installed on the top of each fixing bolt. Reinforcing bars are installed above a bottom plate. A main rod is fixed on the right side of a slider. A hydraulic push rod is connected below the main rod. A lamp shade is arranged on the right side of each support rod. A lighting lamp is installed inside each lamp shade. A hinge is connected below each lamp shade. According to the signal tower for big data artificial intelligence communication based on a 5G communication network, through the setting of the hydraulic push rod, the main rod, the slider and the slide and the expansion and contraction of the hydraulic push rod, an upward force is applied to the main rod so that the slider on the main rod can move in the slide and drive the main rod to adjust the position in the vertical direction, so as to adjust the height of the signal tower. Thus, the height of the signal tower can be adjusted according to different installation locations and installation positions.

The invention discloses a height-adjustable clamping device for bearing polishing and machining, and relates to the technical field of bearing machining and polishing. The height-adjustable clamping device for bearing polishing and machining comprises a base, a fixed ring and positioning locks, the fixed rings are arranged above the base, and the positioning locks are distributed in the fixed ring; a back plate is fixed to the surface of the top of the base, hydraulic push rods are mounted in front of the back plate, a rotary disc is mounted at the front end of a rotation air cylinder, a threaded push rod is arranged at the right end of the fixed ring, and baffles are attached to the upper and lower ends of the fixed ring. According to the height-adjustable clamping device for bearing polishing and machining, the horizontal positions of connection plates can be adjusted by rotating the threaded push rod, and accordingly the position of a clamping plate is adjusted so that the clampingplate can clamp a bearing to be polished. The clamping device is convenient to operate and simple in structure and costs little handicraft fee during production.

The invention relates to the technical field of automobile accessories, in particular to an automobile cooling liquid pipeline arranging device. The automobile cooling liquid pipeline arranging devicecomprises a bottom plate, wherein base plates are fixedly mounted on the left and right sides of the bottom end of the bottom plate; and supporting round pipes are vertically and fixedly mounted in the middle parts of the bottom ends of the base plates. The automobile cooling liquid pipeline arranging device is easy to operate and can arrange cooling liquid pipes orderly to examine and maintain the cooling liquid pipes conveniently. The arranging separation distances between adjacent cooling liquid pipes can be adjusted according to an actual mounting condition, so that it is convenient to better mount and arrange the cooling liquid pipes and it can be suitable for pipe expansion of the cooling liquid pipes due to temperature rise. The cooling liquid pipes can be clamped and fixed stablywhile the cooling liquid pipes are prevented from being damaged. The automobile cooling liquid pipeline arranging device can be suitable for mounting and fixing the cooling liquid pipes of different diameters, and is simple in fixing mode with an automobile body, easy to operate, convenient to mount and detach and time-saving and labor-saving. The automobile cooling liquid pipeline arranging device is more firmly connected to the automobile body by means of multiple fixation, so that the automobile cooling liquid pipeline arranging device is worth being popularized and used.

The invention discloses a charging device for a new energy vehicle. The charging device for the new energy vehicle comprises a box body; a mounting cavity is formed in the box body; a charging power supply is arranged in the mounting cavity; a moving mechanism is connected between the charging power supply and the internal side wall of the mounting cavity; a first communication groove communicating with the mounting cavity is arranged in the side wall of the box body in a through manner; two sliding cavities which are arranged with one under the other one are symmetrically formed in the box body; the first communication groove is formed between the two sliding cavities; communication holes communicating with the sliding cavities are formed in the internal side walls of the upper and lowerends of first communication groove in a through manner; and two strip-shaped grooves communicating with the sliding cavities are formed in the internal side walls of the mounting cavities in a throughmanner. According to the charging device for the new energy vehicle, the structural design is reasonable; a user can be prevented from manually connecting a charging gun with the charging power supply; potential safety hazards are reduced; and moreover, stable connection between the charging gun and the charging power supply can be guaranteed; easy falling of the charging gun can be avoided; andnormal charging working can be guaranteed.

The invention relates to an installation method of a road fence with a self-locking structure. The method specifically includes the steps that bolts sequentially penetrate through internal threads of nuts, rotation switch through holes, cover plate through holes, cushion block penetrating holes and slide block unequal-diameter holes from bottom to top to be connected into self-locking blocks, connection pieces are installed on stand columns through screws, fence pieces and the connection pieces are connected in an inserted mode, the slide blocks of the self-locking blocks are sequentially inserted in insertion openings and insertion grooves through spring elastic force of the self-locking blocks, the edges of the upper surfaces of cushion blocks are fixed to the bottoms of the fence pieces through welding, and therefore self-locking of the fence pieces and the connection pieces is achieved. The road fence is simple in structure, installation, self-locking and rapid detachment are integrated, time consumed during installation is short, the overall strength is high, the fence is not prone to falling in the collision process, the labor efficiency can be effectively improved, the possibility of accidents is lowered, the production cost is reduced, and the fence is convenient to use, practical and suitable for further application and popularization.

The invention relates to a component of ink and a preparation method thereof, which is mainly applicable to a special ink assorted with the surfaces of waterproof materials like erasable paper and plastics, etc. Specific components of erasable viscous ink consist of organic solvent, pigment, resin, moistening dispersant, emulsifier, and release agent, wherein, the organic solvent accounts for 60-90 percent in the overall quality of the ink; the pigment accounts for 3-13 percent in the overall quality of the ink; the moistening dispersant accounts for 0.4-4 percent in the overall quality of the ink; the resin accounts for 1.4-4 percent in the overall quality of the ink; the emulsifier accounts for 0.2-5 percent in the overall quality of the ink; the release agent accounts for 5-14 percent in the overall quality of the ink. The component of ink can be applied to writing, drawing, picture (word) spraying, and printing on erasable paper and plastic products; after being applied to writing, drawing, picture (word) spraying, and printing, the ink can not easily drop off, and can be erased with a little force by wiping materials like a soft cloth or a scrubber, etc.

The invention mainly relates to the technical field of fireproof materials, in particular to a preparation process of a waterproof fiber gypsum board. The preparation process comprises the following steps of (1) preparing materials, (2) stirring, (3) forming and (4) spraying. The preparation process is simple, is low in cost, and accords with the environment-friendly requirement. By improving andoptimizing the production raw materials and the process, the gypsum board has the excellent water resistance and moisture resistance, the structure is more compact, and the mechanical strength of thegypsum board is also improved to a certain extent, so that the gypsum board is not prone to buckling deformation or falling off. Because of the improvement of the waterproof and moisture-resistant performance, the service life of the gypsum board is prolonged to a certain extent, and the gypsum board is suitable for popularization and application.

The invention discloses a safety socket with an elastic protective cover plate. An opening is arranged in a socket box, and a socket plate is arranged on the opening in a covering mode; a through hole is arranged in the socket plate, one end of a rotating shaft is fixedly arranged on the bottom wall of the socket box and the other end passes through the through hole to be connected with a rotating sheet; three-hole socket holes are arranged on and sleeve the rotating sheet, and the rotating sheet can rotate by itself; a rotating cover is arranged on the rotating sheet in a covering mode and is provided with three strip-shaped holes matched with the three-hole socket holes, and the rotating cover and the rotating sheet can rotate coaxially to enable the three-hole socket holes to be exposed or shielded; a protective cover plate is arranged on the socket plate, one end is hinged with one side edge of the socket plate and the other end is provided with grab buckles; a notch is arranged in the direction from the grab buckle to the hinged place, and the size of the notch is smaller than the cross section of a plug but larger than the cross section of a wire connected onto the plug; the protective cover plate is fixedly arranged on the socket plate in a covering mode, and the wire extends out from the notch; and the protective cover plate and the socket plate are connected via two extension springs. The safety socket with the elastic protective cover plate has the advantages that the structure is simple; the use is convenient; an electric shock accident caused when a kid plugs or pulls the plug randomly can be avoided; and the use safety is high.

The invention provides a packaging method and packaging assembly line for ceramic sheets. The packaging method for ceramic sheets comprises the steps of (1) stacking of ceramic sheets, specifically, three or more ceramic sheets are stacked, and thus multiple ceramic sheets are stacked; (2) packaging of the ceramic sheets, specifically, packaging paperboards are placed at the bottoms of the two sides of the ceramic sheets, and the packaging paperboards are folded so as to package the two sides of the stacked ceramic sheets; (3) binding of the packaging paperboards, specifically, the packaged ceramic sheets are conveyed to a packing device, and the packaging paperboards packaging the two sides of the ceramic sheets are bound through the packing device; (4) turning of the packed ceramic packages, specifically, the packed ceramic packages are turned, so that the bottom surfaces of the ceramic packages are in contact, and the upper surfaces of the ceramic packages are in contact; and (5) stacking of the packed ceramic packages, specifically, the packed ceramic packages are rectangular, and the packed ceramic packages are erected through a stack supporting device and then conveyed to a supporting frame after being conveyed to the stack supporting device. By adoption of the method and device, packaging can be completed without manual work.

The invention discloses a preparation method of decorative glass with a three-dimensional pattern. The method sequentially comprises the steps that: screen printing and bake drying are carried out, wherein the pigment is an inorganic solvent glaze; the glass with pattern obtained in the previous step is placed into a heating furnace and is subjected to high-temperature heating, wherein the heating temperature is 600-800 DEG C, and heating time is 5-20min; and cooling is carried out, such that a finished product is obtained. The product has the advantages that: the formed glass pattern provides high three-dimensional sense; the color of the pattern can be maintained for a long time; and the color is prevented from falling off.

The invention discloses a novel processing method of a printed circuit board. The novel processing method comprises the following steps: cutting, drilling, hole metalizing, entire board electroplatingand copper-adding, pattern transferring, pattern electroplating, membrane stripping, etching and tin stripping, solder masking and surface treating, opening a threaded weld leg hole, CNC forming, andadding a radiating reinforced layer; a layer of carbon fiber heat-conducting silica gel sheet is adhered at each of a lateral of a circuit board and non-circuit diagram regions of the circuit board,so that the heat of the printed circuit board can be timely conducted and diffused, and the use performance of the printed circuit board under the high heating condition of the component can be well guaranteed; the carbon fiber has good mechanical strength, the heat-conducting silica gel sheets of the carbon fiber can effectively prevent the circuit board from deforming under a pressed and heatedcondition; by arranging the threaded weld leg holes on the printed circuit board, each threaded groove in the soldering hole is filled with soldering liquid, the soldering is extremely firm after thesolidification, and the welding foot cannot easily fall off.

The invention discloses a magnetic adsorption mechanism and a magnetic building block applying the same. The magnetic adsorption mechanism comprises a magnetic component and a support component supporting the magnetic component, wherein the magnetic component comprises a magnet, the magnet comprises an adsorbing surface, the adsorbing surface at least comprises an S pole and an N pole, and the magnetic component can rotate relative to the support component. When the magnetic adsorption mechanisms are used in pair, different poles located on the two adsorption mechanisms produce adsorption force through rotation, and accordingly, the two adsorption mechanisms are easily adsorbed together; the distance between the adsorbing surfaces is shorter, so that the adsorbing force is larger under the condition that magnets with equal-strength magnetic force are adopted. The magnetic building block applying the magnetic adsorption mechanism comprises a main building block body, wherein a cavity is formed in the main building block body, and the magnetic adsorption mechanism is arranged in the cavity. The magnetic building block is simple in structure and simple and convenient to assemble and disassemble and the use experience is good.

The invention provides an auxiliary tool based on machining of a vehicle axle differential mechanism. The auxiliary tool includes a guiding part, a connecting trough, a contact part, a moving part, aconnecting plate, a pulling part and an embedded part; a main body is of a rectangular structure, a sliding-proof part made of a rubber material is mounted at the bottom of the main body through an adhesion mode, a clamping spring is mounted in a guiding trough in an embedded mode, and moreover, the side end of the clamping spring is connected with the side edge of the embedded part; and clampingparts are of rectangular long-strip-shaped structures, moreover, the bottom ends of the clamping parts are mounted on the two sides of the left end of the upper part of a carrying part in a fixedly connected mode, embedded cabins of semicircular structures are formed in the inner sides of the clamping parts, the clamping parts at the positions are used for being mounted on the upper part of the carrying part, thus a rotating part is mounted and can drive the differential mechanism to be rotated and machined, the rotating part can rotate through the clamping parts according to a fixed direction, and when the rotating part rotates to a proper position, the clamping parts can fix the rotating part through an inserted link.

The invention discloses refrigeration equipment and a fixing device of a roll-bond evaporator in the refrigeration equipment. The fixing device comprises an assembly part, an L-shaped first plate, an L-shaped second plate, a support plate, and a centre bore, wherein an assembly hole extending transversely is arranged in the assembly part; first sides of the first and second plates in longitudinaldirection are respectively connected with the assembly part in a separation mode so as to define an L-shaped clamping groove; the support plate is arranged between the first plate and the second plate and closes to the assembly part, and the length of the support plate is less than that of the first and second plats in the longitudinal direction as well as the support plate abuts against the first and second plates in the vertical direction; and the first plate, the support plate and the second plate successively pass through the centre bore in the veridical direction. According to the fixingdevice of the embodiment of the invention, the assembly hole which is matched with a small door shaft and the L-shaped clamping groove which is used for fixing the roll-bond evaporator are arranged, thus the roll-bond evaporator can be fixed on a box liner more steadily, and an installing device used for installing the small door is not formed on the roll-bond evaporator, thereby being simple in structure and convenient in assembly.