191results about How to "Not loose" patented technology

The invention provides a folding mechanism. The folding mechanism comprises a first supporting body, a second supporting body, a connection body and a rotation part; the rotation part comprises two rotating rods, a worm wheel, two worms engaged with the worm wheel, a limiting base, a supporting plate, two limiting slide sheets and two springs; the limiting base includes two adjacent through holes; first transmission protrusions protrude out from the peripheral edge of each through hole; one surface of each limiting slide sheet is provided with second transmission protrusions; the supporting plate and the limiting base sleeve the two worms sequentially; the limiting base is fixed to the supporting plate; one end of each rotating rod accommodates one corresponding limiting slide sheet and spring; the two rotating rods sleeve the two worms and can drive the worms to rotate; the first transmission protrusions are engaged with the second transmission protrusions; a transmission part is installed on the connection body; the connection body is located between the first supporting body and the second supporting body; and the two rotating rods are slidingly installed on the first supporting body and the second supporting body. The invention also provides a mobile terminal.

The invention relates to a double pressing method on a dust cap without spring ring that is used for a miniature bearing, the first pressing method is mainly to make the dust cap of the bearing enter the dust cap groove and extend radially, the specific pressing method is to firstly adjust a right angle upper flat die (3) and a lower die and keep them concentric, then a bearing (1) is placed in the lower die to locate, a dustproof cap (2) is arranged in the dustproof cap groove of the outer race of the bearing, and finally a pressing machine is used for making the end face of the right angle upper flat die to stamp the folded face of the dustproof cap so that the radial dimension is increased, the edge is uniformly pressed into the dustproof cap groove of the outer housing of the bearing (1); the second pressing method is mainly to tightly press the dustproof cap of the bearing into the dustproof cap groove, the specific pressing method is to first adjust a right angle upper pressing die (3.1) and a lower die and keep them concentric, then the bearing of the dustproof cap has been pressed flat is placed in the lower die to locate, finally, a round angle R of the round angle upper pressing die is used for curling and pressing the dustproof cap by a pressing machine, which can considerably improve the reliability of the bearing assembly.

The invention provides a livestock hay bundling device, and relates to the field of livestock breeding. The livestock hay bundling device comprises a supporting base, two conveying shafts distributed front and back are installed above the supporting base, a rail is fixedly installed on the portion, located on the right sides of the two conveying shafts, of the upper surface of the supporting base, a mounting ring is fixedly installed on the right side surface of an inner ring of the rail, six guide rods are elastically hinged to the right side surface of the mounting ring, a traction machine is installed in the rail, a folding machine is installed on the right side face of the traction machine, two clamping plates are fixedly installed on an output shaft of the folding machine, and rolling shafts are installed at the front ends of the two clamping plates. According to the livestock hay bundling device, through the arrangement of the rail and a bundling belt wheel, bundling belts can be installed in the bundling belt wheel, the effect of conveniently fixing hay is achieved, and the problems that in the prior art, hay is inconvenient to bundle, time and labor are wasted during bundling, and bundling is not firm enough easily after bundling are solved.

The invention relates to an elliptical hole machining device. A workpiece clamping device, a spindle box and a power head are arranged on a seat frame; the spindle box is arranged above a longitudinal feeding device; a hollow worm wheel spindle, a circumferential feeding worm wheel and a circumferential feeding worm spindle are arranged inside the box; a first eccentric axial through hole is formed on the hollow worm wheel spindle; a hollow shaft is arranged in the first eccentric axial through hole; the two ends of the hollow shaft are fixedly connected with pinions respectively; the pinions are meshed with internal gears which are fixedly connected at the two ends of the box; the gear ratio and the pitch diameter ratio of the internal gears and the pinions are both 2:1; second eccentric axial through holes are formed on the two pinions; a cutter spindle is arranged in the second eccentric axial through holes; one end of the cutter spindle is provided with a cutter; and the other end of the cutter spindle is connected with the power head through a telescopic universal coupling. The elliptical hole in the invention has a smooth formed surface, accurate dimension and high quality, and the elliptical hole machining device can meet batch machining of different elliptical holes with low machining cost.

The invention discloses a decorative cement. The cement is prepared form the following materials in parts by weight: 12 to 22 parts of Portland cement, 4 to 7 parts of tourmaline powder, 2 to 4 parts of N-acyl sarcosinate, 0.2 to 0.7 parts of fiberglass, 0.3 to 0.5 parts of calcium silicate hydrate, 0.2 to 0.7 parts of calcium chloride, 15 to 20 parts of EVA emulsion, 2 to 4 parts of neutralizer, 3 to 5 parts of preservative, 2 to 4 parts of ethanediol, 4 to 6 parts of isobutylene, 3 to 7 parts of kaolin, 6 to 9 parts of fiber, 15 to 23 parts of polyurethane rigid foam particle, 12 to 24 parts of aluminium silicate, 10 to 16 parts of melamine resin, 15 to 25 parts of resorcinol. The cement has the following beneficial effects: the decorative cement has good workabilities of easy-blending and no-bleeding; the cement will not loose and expand; and the corrosion resistance of the cement is improved.

The invention relates to the field of forestry, in particular to a forestry tree transplanting device which comprises a transfer mechanism, a transplanting mechanism, a storage battery, a pushing handle and a control screen. The transplanting mechanism is arranged in the middle in the transplanting mechanism, the storage battery is arranged in left rear of the top of the transfer mechanism, and the pushing handle is arranged above the rear of the transfer mechanism. Quick wrapping and protecting of tree roots and attached soil ball portions during transfer are realized, protection performanceis good, troublesome steps are not needed, and soil loosening caused by bumping during transporting is avoided, planting can be realized without the help of hoisting equipment, and conversion use of aprotection mechanism is realized; the device is more convenient, quicker and humanized in operation, so that workload and working intensity are reduced greatly.

The invention discloses an organic fertilizer granulator with characteristic of uniform granulation. The organic fertilizer granulator comprises a base, a compacting box, a pushing shaft, a first motor, a granulating chamber, a gas cylinder, a granulating cylinder, a granulating plate, a cutter, a second motor, a round barrel and a third motor, wherein the base is provided with brackets, the granulating chamber is arranged above the right bracket, the compacting box is arranged above the granulating chamber, and a cross beam is arranged on the left side of the compacting box, and is fixed on the left bracket. According to the present invention, the structure is simple; through the pushing shaft in the compacting box, the organic fertilizer is initially compacted, such that the organic fertilizer cannot be loosened during the granulating; the initially compacted organic fertilizer is extruded again by the pushing plate in the granulating chamber, the preliminary granules are cut by thecutter, and the preliminary granules are tumbled along with the rotating of the round barrel to form the spherical solid granules; and with the organic fertilizer granulator, the granulation process of the organic fertilizer is compact and ordered, the obtained organic fertilizer granules are uniform and round, and the granulation quality is high.

The invention discloses a connecting piece for steel pipe piles. The connecting piece for the steel pipe piles comprises an upper connecting part coaxially and fixedly connected with an upper sectionof steel pipe pile, and a lower connecting part coaxially and fixedly connected with a lower section of steel pipe pile; at least two first insertion holes are inserted in the peripheral wall of the upper connecting part; at least two second insertion holes are formed in the peripheral wall of the lower connecting part; and when the upper section of steel pipe pile is connected with the lower section of steel pipe pile, at least two first insertion holes and second insertion holes are inserted in the connecting parts to fix the upper section of steel pipe pile with the lower section of steel pipe pile. The connecting piece can quickly finish connection of sections of the steel pipe piles on the construction site, and is stable and uniform in connecting quality.

The invention discloses a slate soft tile. The slate soft tile contains the following components in percentage by weight: 10%-14% of water, 0.3%-0.7% of cellulose, 7%-9% of an industrial emulsion, 27.7%-31.3% of mineral powder and 45%-55% of quartz sand. The invention further provides a process method of the slate soft tile. The process method comprises the following steps: mixing: mixing the raw materials together to obtain a mixture, adding a proper amount of coloring matters into the mixture, and uniformly stirring by virtue of a stirring machine, so as to form a slurry; mold filling: spraying a layer of slurry to the mold by virtue of a slurry pump, paving a glass fiber net on the surface of the slurry, spraying another layer of slurry to the glass fiber net by virtue of the slurry pump until the glass fiber net is submerged in the slurry; heating, putting the mold filled with the slurry into a baking oven, setting the temperature at 75-85 DEG C, and heating for 2.5-3.5 hours; and demolding: manually or mechanically taking out the soft tile put in the mold.

The invention discloses a novel composite fire retardant module and a preparation method thereof. The novel composite fire retardant module has good fire retardance and water resistance and is also simple in processing technology, convenient in construction and nontoxic and nonharmful to the environment.

The invention discloses an improved grounding device. The improved grounding device comprises a substrate, wherein a rod body is fixedly connected to the bottom of the substrate; a cone is integrally formed at the bottom of the rod body; a sleeve is fixedly arranged below two sides of the substrate; a notch is formed in the periphery of the sleeve; an expansion cone is arranged below the sleeve; a threaded rod is movably connected to the top of the expansion cone and sequentially passes through the sleeve and the substrate; a spacer is movably connected to the threaded rod in a sleeving manner; a screw cap is connected to the top end of the threaded rod via a screw thread; a wire holder is fixedly arranged at the top of the substrate; a through hole is formed to pass through the top of the wire holder; a bolt is inserted into the through hole and connected to the through hole via a screw thread; a pressing plate is movably connected to the lower end of the bolt. Through expansion of the sleeve, the improved grounding device and the ground are well fixed, and the disabling of a grounding function is avoided to a great extent, so that the safety of people's life and property is guaranteed.

The invention discloses a filler sheet. The filler sheet comprises a strength support layer and is characterized by further comprising a hydrophilic layer which is compounded on the surface of the strength support layer. The filler sheet has the advantages of high uniform distributivity of liquid on the surface of a filler, larger gas-liquid contact area and improvement on mass transfer efficiency due to the hydrophilic layer on the surface of the filler sheet. The invention also discloses the filler made of the filler sheet.

The invention provides an agrobacterium-mediated rapid genetic transformation method for japonica rice. The method comprises steps as follows: induction, infection, co-culture, screening, differentiation and rooting. According to the method, the whole transformation process consumes about 70 d, the time is more than 3 months less than that of conventional transformation, the callus initiation rate with the transformation method is higher than 85%, the average resistant callus rate is 69.71%, the average differentiation rate is 84.58%, and the average transformation rate is about 58%. In general, the genetic transformation method can guarantee the genetic transformation efficiency, so that the method is high in operability and suitable for large-batch japonica rice genetic transformation experiments, a lot of time is saved for fundamental research on rice, and meanwhile, consumption of manpower, material resources and financial resources during the experiments is reduced.

The invention relates to the field of building door/window protection devices, in particular to an invisible shielding window. The invisible shielding window comprises a frame, a steel wire, steel wire fasteners, a cover plate and an alarm, wherein the frame is a rectangular body formed by combination of an upper frame body, a lower frame body, a left vertical frame body and a right vertical frame body in a closed mode, a plurality of wire holes are evenly and symmetrically formed in the upper frame body and the lower frame body, the steel wire fasteners are installed at the bent portions of the sections where the steel wire is connected with the upper frame body and the lower frame body, and the steel wire penetrates through the wire holes in a vertically reciprocating mode and is vertically fixed between the upper frame body and the lower frame body through fixing pillars of the steel wire fasteners; electric leads are connected with the head end and the tail end of the steel wire respectively, the alarm is connected between the electric leads, and the alarm is installed in the left vertical frame body or the right vertical frame body; an adhering device is arranged on one side of the surface of the frame and is used in cooperation with an adhering device arranged at a corresponding position of the surface of a wall, so that the shielding window is fixed to the surface of the wall. The invisible shielding window is high in safety coefficient, more convenient and faster to assemble and disassemble, capable of saving time for users greatly, and capable of being installed by a user only without the help of professionals.

The invention discloses an arbor group planting method capable of improving the survival rate of transplantation. The method comprises the following specific planting steps: (1) selecting seedlings, (2) digging the seedlings, (3) preparing soil balls and (4) performing group planting of the seedlings, wherein the process of group planting of the seedlings includes (4.1) group planting container selection, (4.2) root control and rapid shape adjustment of seedling raising containers, (4.3) soil laying at the bottom, (4.4) seedling planting and (4.5) planting soil addition. Through the method, the breeding survival rate of group-planted arbor trees can be ensured effectively, and meanwhile the transplant survival rate of the group-planted arbor trees can be improved effectively.

The invention relates to the field of waterproof materials, and particularly provides a waterproof air-permeable material, and a preparation method and application thereof. The waterproof air-permeable material comprises a hydrophobic adhesive and aggregate coated with a hydrophobic material. The aggregate comprises the following raw materials in parts by weight: 30-60 parts of quartz sand, 20-50 parts of haydite and 10-30 parts of slag. The particle size of the quartz sand is 0.05-0.1mm, the particle size of the haydite is 0.07-0.15mm, and the particle size of the slag is 0.2-0.4mm. The waterproof air-permeable material has favorable waterproof effect and excellent air permeability.