40results about How to "Easy to remove later" patented technology

The invention provides a reinforcement-truss-type floor bearing plate; each of fastener hangers has a screw hole and a clamp groove, the fastener hangers are fixed to a bottom formwork through screws, the screws cooperate with the screw holes, and a truss is clamped to the clamp grooves; compared with the prior art where the bottom formwork is welded directly to the truss, the bottom formwork herein is clamped to the truss through the fastener hangers and is convenient to detach later, the bottom formwork is never damaged during detaching, and subsequent usage of the bottom formwork is facilitated. After the bottom formwork is removed, no welding points are left on the truss, and subsequent decoration of a building is benefited. A bearing post is connected to each fastener hanger and is mainly used for preventing inner threads of the screws from being damaged. Supports are connected to connection rebars and are used for supporting upper chord rebars; in actual use, the upper chord rebars deform upon stress, and the stability of a truss body during use is optimized; the supports are mainly used for improving bending strength of the upper chord rebars.

The invention discloses a supporting mechanism for selectively laser-melting and forming a metal component, and relates to the field of 3D printing. The supporting mechanism comprises a metal base plate, a metal component which is arranged on the metal base plate and is selectively laser-molten and formed, and further comprises a supporting base plate, wherein a plurality of supporting parts are movably arranged on the upper end surface of the supporting base plate; the top end of the supporting part is in the shape of a pointed head; the bottom ends of the supporting parts are distributed inthe form of an array; the top end of each supporting part forms a unique plane; elastic bulges are arranged on the front side wall and the rear side wall of the supporting base plate; two slide railsare arranged on the metal base plate; through holes are formed in the slide rails; the supporting base plate is in sliding connection with the slide rails; the elastic bulges are matched with the through holes; and the elastic bulges are detachably connected with the through holes. The supporting mechanism can realize stable supporting for the metal component, and can conveniently take down the metal component when appearance integrity of the metal component is guaranteed.

The invention relates to a damping stair formwork for building construction. The damping stair formwork comprises a body, the body comprises a bottom plate, side plates and cover plates, the side plates are arranged on the two sides of the upper end of the bottom plate, the multiple cover plates are arranged above the bottom plate and located between the two side plates, a pouring space is definedby the bottom plate, the side plates and the cover plates, a pedal is further arranged above the body and located above the cover plates, and a supporting mechanism is arranged between the bottom plate and the pedal. The damping stair formwork has the effects that the body is filled with concrete, pouring of a stair is completed, the pedal is erected above the body and used for allowing workers to pass through, multiple stairways are poured and maintained at the same time on the upper floor and the lower floor, and the construction efficiency is improved.

The invention provides a method for preparing phosphorothioate compounds, which comprises the following steps: under the action of an inorganic base, reacting a P(O)-H compound and a compound containing a mercapto functional group in an organic solvent to obtain Phosphorothioate compounds. Under the action of inorganic bases, the present invention adopts P(O)-H compounds as initial raw materials, and realizes high-yield phosphorothioate or organophosphate through dehydrogenation coupling reaction under metal-free catalysis and room temperature conditions. Synthetic, and all have good applicability to the alkyl phosphite of different substituting groups or aryl phosphine oxide and thiophenol; The synthetic route that the present invention provides, raw material is simple, and reaction condition is gentle, and reaction time is short, and productive rate High, less by-products, which is conducive to the later synthesis of some biologically active phosphorothioate drugs, reduces metal residues and toxic effects, and provides more directions and options for related applications in drugs, pesticides, and bioactive molecules .

The invention discloses a novel revetment device used for building construction. The novel revetment device comprises a left supporting post (10) and a right supporting post (11), wherein a supporting cross rod (7) is connected between the left supporting post (10) and the right supporting post (11); the left end part of the supporting cross rod (7) penetrates through the left supporting post (10) and extends out of the left side of the left supporting post (10); the right end part of the supporting cross rod (7) penetrates through the right supporting post (11) and extends out of the right side of the right supporting post (11); the left end part and the right end part of the supporting cross rod (7) are separately fixedly connected with the left supporting post (10) and the right supporting post (11) through locking nuts (9); the left end part and the right end part of the supporting cross rod (7) are separately provided with outer threads (8) which are matched with the locking nuts (9); and more than two wall body plates (1) are sequentially arrayed on the supporting cross rod (7).

The invention discloses a cutting robot based on weed recognition. A control case is fixedly connected to the top end of a rack, a controller is installed at one end of the control case in an embeddedmanner, fixing bases are symmetrically installed at the bottom end of the rack, and an adjusting rod is rotatably installed between every two corresponding fixing bases; and guide grooves are formedin the positions, corresponding to the two sides of the adjusting rods, of the bottom end of the rack. The cutting robot is scientific and reasonable in structure and safe and convenient to use; the positions of moving wheels can be adjusted according to the positions of plants in ridges through the arrangement of symmetrical adjusting and moving mechanisms, it is avoided that the plants are rolled when the rack is moved through the moving wheels, and it is avoided that after the positions of the moving wheels are adjusted, the stability of the rack is affected by asymmetry of the moving wheels; and through the arrangement of adjusting and cutting mechanisms, the positions of cutting knives can be adjusted according to the transverse positions and the height positions of weed roots, the accuracy during weed root cutting is improved, and the situation that other plants are cut mistakenly during weed cutting is reduced.

The invention provides a prefabricated assembly-type ecological earth-retaining supporting structure, which comprises force-resisting columns, prefabricated ecological earth-retaining inserter plates and prefabricated crown beams, wherein the force-resisting columns are vertically set up according to a set distance; the prefabricated ecological earth-retaining inserter plates are transversely inserted among the force-resisting columns; the prefabricated crown beams are mounted at the tops of the force-resisting columns and the prefabricated ecological earth-retaining inserter plates, so as to form a column-plate-beam structural wall. The prefabricated assembly-type ecological earth-retaining supporting structure can be applied to watercourse channel improvement engineering, municipal drainage engineering and traffic roadbed supporting engineering, and can be also used as a permanent underground continuous wall structure to be applied to foundation pit engineering after a special water stopping measure is taken. The prefabricated assembly-type ecological earth-retaining supporting structure is simple in structure, convenient to use, economical and practical, safe and environment-friendly.

A method for manufacturing a semiconductor device comprises the following steps: providing a semiconductor substrate on which a pad oxide layer is formed; forming a shallow trench isolation structure in the semiconductor substrate, wherein the top of the shallow trench isolation structure is higher than the surface of the semiconductor substrate; and simultaneously removing the pad oxide layer and the part, higher than the surface of the semiconductor substrate, of the shallow trench isolation structure by an anisotropic etching process, wherein etching gases adopted by the anisotropic etching process contain NF3 and also contain at least one of NH3 and H2. The anisotropic etching process adopting NF3 and NH3 (H2) can reduce the roughness of the surface after etching. The trench isolation structure has a flat top, and no sharp bulge is produced. Thus, sharp bulges are prevented from being produced on the surfaces of structures subsequently formed on the shallow trench isolation structure, adverse consequences such as an uneven electric field or tip discharge are prevented, and the performance of the semiconductor device is improved eventually.

A novel wall connecting piece arranging method is characterized by comprising the following steps that a, a wall connecting piece is manufactured, b, the wall connecting piece is installed, c, a threaded rod is inserted into a sleeve, d, the wall connecting piece is fixedly connected with a scaffold, and the end, exposed out of the sleeve and a wall body, of the threaded rod is fixedly connected with a scaffold vertical rod through a connecting steel pipe and a scaffold fastener. The novel wall connecting piece setting method has the advantages that the wall connecting piece is simple in structure, convenient to manufacture, convenient to pre-embed, high in safety index, stable in structural stress and convenient to dismantle in the later period, and scaffold holes do not need to be blocked.

The invention discloses a cutting waste collecting device of a numerical control machine tool. The device comprises a metal plate fixing part, a restraining assembly, a length adjusting mechanism, a fixing assembly and a material guiding mechanism, two inclined inner cavity sliding ways are arranged in the metal plate fixing part, the metal plate fixing part comprises a base, and the base comprises a compression assembly, a sliding rod assembly installed at the bottom of the compression assembly and an anti-skid assembly connected to the sliding rod assembly. Two sets of main control pieces are arranged, a first adapter and a second adapter are movably installed on the two sets of main control pieces correspondingly, half screws are installed in the two sets of main control pieces in a matched mode, the first adapter and the second adapter are located outside a plate after being connected in an inserted mode, the contraction of the first adapter and the second adapter on the main control pieces is controlled by controlling cranks on the two sets of main control pieces, so that the device can quickly limit and fix metal plates with different sizes, and the stability of the metal plates in the cutting process is improved.

The invention discloses a vicinal diol functionalized macroporous through-hole material as well as a preparation method and boric acid adsorption application thereof. The preparation method comprisesthe following steps: (1) adding an anionic surfactant into a polyethyleneimine aqueous solution; (2) adding microcrystalline cellulose into the system as a supporting material, and oscillating at a high speed for several minutes to form an air-in-water emulsion; (3) adding a cross-linking agent into the air-in-water emulsion, and oscillating at a high speed for several minutes to partially cross-link polyethyleneimine to cure the emulsion to form a block material; (4) forming a through-hole material through vacuum dehydration, wherein the microcrystalline cellulose can prevent the porous material from overall great shrinkage in the dehydration process, but local microscopic shrinkage still occurs, so that a porous through-hole structure is formed, and the anionic surfactant adsorbed on thesurface of holes is removed through alkaline washing; and (5) converting amino hydrogen on the surface of the porous material into vicinal diol functional groups through glycidyl ether treatment. Thevicinal diol functionalized macroporous through-hole material has the characteristics of simplicity and convenience in preparation, large adsorption capacity, mild regeneration conditions, repeated regeneration and no powder falling.

The invention discloses a spliced temporary steel plate pavement. The spliced temporary steel plate pavement comprises more than two steel plates, through holes are all formed in four corners of the steel plates, four apex angles of the steel plates are arc internal corners, a pressing plate and a base plate are arranged on the upper portion and the bottom of the connecting position of the adjacent steel plates correspondingly, limiting rods are all welded to the four corners of the bottom of the pressing plate, the limiting rods penetrate into the through holes in the steel plates, a screw rod is arranged between the each pressing plate and the base plate, the screw rods penetrate through the arc internal corners of the steel plates, and locking nuts are both connected to the two ends ofthe screw rods in a threaded mode. According to the spliced temporary steel plate pavement, by means of the active connection and fixation, connecting parts are not directly fixed on a temporary steelplate road, so that a connection mode of the temporary steel plate road on a construction site is convenient for later dismounting, and secondary utilization of the steel plate road is facilitated.

The invention relates to a textile apparatus, in particular to a textile fabric washing machine of a special improved structure. According to the technical scheme, the textile fabric washing machine of the special improved structure comprises a feeding roller and a discharging roller, a first box body and a second box body are arranged between the feeding roller and the discharging roller, the first box body is internally loaded with cleaning fluid, a high pressure box is further arranged on the upper surface of the second box body, mixed dry ice is stored in the high pressure box, the high pressure box is communicated with a nozzle in the second box body through an output pipe, an injecting valve is arranged on the upper surface of the high pressure box and is communicated with the insideof the high pressure box, and a first plasma treatment device and a second plasma treatment device are further arranged inside the second box body. The textile fabric washing machine has the advantages of being reasonable in structure and good in cleaning effect, the product quality of textile fabric can be guaranteed, and the textile fabric washing machine is easy to apply and popularize.

The invention discloses a fixing device for cosmetic bag production. The fixing device for cosmetic bag production comprises a workbench, wherein the upper side of the workbench is rotationally connected with two mutually parallel lead screws, the front side lead screw is connected with a motor, the right end of the front side lead screw meshes with a transmission wheel through a gear, a chain wheel is coaxially arranged on the transmission wheel, the transmission wheel is connected with the rear side lead screw through a chain, sliding blocks are rotationally connected to the lead screws and slidably connected to the interiors of sliding grooves of the workbench, folding plates are arranged at the left ends and the right ends of the upper sides of the sliding grooves, the other ends of the folding plates are fixed to the sliding blocks, the lead screws are driven by the motor to rotate so as to drive the sliding blocks to move, and the folding plates protect a rotating assembly. According to the fixing device for cosmetic bag production, through the arrangement of turning plates and a first top plate, a bag is turned over, and meanwhile, through the arrangement of second sliding grooves and pressing wheels, the outer surface of the bag is pressed to release internal stress, and meanwhile, the bag is supported through the first movable top plate and a second movable top plate, and the bag is convenient to take down in the later period.

The invention discloses a positioning construction method for foundation joint bars of a super long foundation pile and belongs to the field of joint bar construction of foundation piles in constructional engineering. The positioning construction method comprises the steps that the length and quantity of the joint bars are determined; fixing brackets of the joint bars are manufactured; the fixing brackets of the joint bars are mounted; the fixing brackets of the joint bars are fixed; the center lines of the joint bars are measured and positioned; the joint bars are constructed; elevations of the joint bars are controlled; the joint bars are fixed; and the joint bars are retested. According to the construction method, the fixing brackets and manufacturing, mounting and fixing working around the fixing brackets are added, the effects of positioning and constructing are played in actual operation, the positioning effect is obvious, and the quality, efficiency and safety in the construction process are improved.

The invention provides a simple open-pit mine side slope governing and greening method. The simple open-pit mine side slope governing and greening method comprises the following steps: S1, stacking cultivation soil on each side slope platform by utilizing existing platforms of an open-pit mine, and allowing the stacked cultivation soil to inclines outwards; S2, sowing grass seeds onto the cultivation soil, synchronously planting seedlings of climbing plants at intervals less than or equal to 1.5 m, and controlling growth directions of the climbing plants in maintenance period so as to arrangethe climbing plants climbing upwards and the climbing plants climbing downwards in a mutually spaced way; S3, laying straw or other dead branches and withered grasses on the cultivation soil; S4, arranging a temporary retaining wall on each of the side slope platform close to an edge; and S5, removing the temporary retaining wall when the greening reaches standard. The simple open-pit mine side slope governing and greening method disclosed by the invention is simple, easy to implement, good in side slope governing and greening effects, free of construction machinery in the whole governance process, little in disturbance to the side slopes, and free of new damages to the side slopes.

The invention relates to a shock-absorbing stair template for building construction, which includes a body, the body includes a bottom plate, a side plate and a cover plate, side plates are arranged on both sides of the upper end of the bottom plate, and several cover plates are arranged on the bottom plate above, and located between the two side plates, the bottom plate, side plates and cover plates encircle to form a pouring space, there is also a pedal above the body, and the pedal is located above the cover plate, the bottom plate A support mechanism is provided between the pedal and the pedal. The invention has the advantages of filling concrete into the main body to complete the pouring of the stairs, and a pedal is set above the main body for workers to pass up and down floors, realize simultaneous pouring and maintenance of multiple stairs, and improve construction efficiency.

The invention discloses a novel revetment device used for building construction. The novel revetment device comprises a left supporting post (10) and a right supporting post (11), wherein a supporting cross rod (7) is connected between the left supporting post (10) and the right supporting post (11); the left end part of the supporting cross rod (7) penetrates through the left supporting post (10) and extends out of the left side of the left supporting post (10); the right end part of the supporting cross rod (7) penetrates through the right supporting post (11) and extends out of the right side of the right supporting post (11); the left end part and the right end part of the supporting cross rod (7) are separately fixedly connected with the left supporting post (10) and the right supporting post (11) through locking nuts (9); the left end part and the right end part of the supporting cross rod (7) are separately provided with outer threads (8) which are matched with the locking nuts (9); and more than two wall body plates (1) are sequentially arrayed on the supporting cross rod (7).

The invention relates to the technical field of agriculture, in particular to a crop anti-rolling irrigation machine based on agricultural large-scale irrigation and a use method of the crop anti-rolling irrigation machine. thereof. The crop anti-rolling irrigation machine at least comprises a placing hopper and a water tank, two symmetrical adjusting grooves are formed in the bottom of the placing hopper, lead screws are rotatably arranged in the adjusting grooves, two symmetrical fixing plates are slidably arranged at the bottom of the placing hopper, adjusting plates are arranged at the centers of the tops of the fixing plates, the ends of the adjusting plates are in threaded connection with the outer walls of the lead screws, electric telescopic rods are embedded in the bottoms of the fixing plates, the ends of piston rods of the electric telescopic rods are fixedly connected with connecting plates, and universal wheels are arranged at the bottoms, close to the two ends, of the connecting plates. and the water tank is arranged at the top of the placing hopper, the bottom of an inner cavity of the water tank communicates with a water pipe through a water pump, and the end, extending out of the interior of the water tank, of the water pipe communicates with a spray head. The gaps between the universal wheels can be adjustedly conveniently according to the distance between crops, so that wheels of the universal wheels can move between two rows of crops, crop rolling can be avoided, and the irrigation flow can be adjusted.

Relating to the technical field of batik, the invention relates to a batik method of cotton cloth and a batik cotton cloth. The batik method of cotton cloth includes: conducting cotton cloth pretreatment, then performing preliminary painting, wax coating, dyeing with a coloring agent, color fixation and dewaxing. Specifically, the wax comprises beeswax, paraffin, amber and phthalic acid ester in a weight ratio of 30-50:10-20:2-4:0.5-1. The method has the characteristics of simple operation, mass production capability, excellent batik effect, and high yield. The batik cotton cloth prepared by the method provided by the invention has the advantages of good surface pattern molding effect, clear color and good handfeel.

The invention discloses a building high-altitude scaffold erection connecting piece. The connecting piece comprises two square hoops which are arranged symmetrically up and down, ear plates are machined at the left and right side surfaces of the square hoops, the position between the up and down two square hoops is provided with bolts in a fit mode through the ear plates, a rotating shaft is arranged on the inner side of each square hoop, an assembling hole for assembling the rotating shaft in a fit mode is machined in the side wall of each square hoop, the assembling holes are stepped holes,bearings are arranged between the assembling holes and the rotating shafts in a fit mode, and the bearings are installed at large hole positions of the assembling holes. According to the connecting piece, a high-altitude scaffold is easy to erect, and climbing installation is not needed.

The invention discloses intelligent wearable wrist type heart rhythm detection equipment for smart medical treatment, and relates to the field of heart rhythm detection. The intelligent wearable wrist type heart rhythm detection equipment for intelligent medical treatment comprises a detection device outer shell and a heart rhythm sensor main body. In the using process of the intelligent wearable wrist type heart rhythm detection equipment for intelligent medical treatment, overall assembly is convenient, after overall assembly is completed, the arranged detection device outer shell can be conveniently bound to the wrist for heart rhythm detection, in the binding process, the first binding belt and the second binding belt can be tightened, and therefore the heart rhythm can be detected conveniently. The arc-shaped elastic metal sheet is extruded in the tightening process, so that the arc-shaped elastic metal sheet is deformed, the arc-shaped elastic metal sheet has elasticity, and the elasticity of the arc-shaped elastic metal sheet is applied to the heart rhythm sensor main body, so that the heart rhythm sensor main body is attached to the wrist detection part; therefore, a good heart rhythm detection effect on the wrist of the patient is guaranteed, an accurate alarm can be given when arrhythmia occurs, and the false alarm phenomenon is reduced.

The invention discloses a wall protection assembly for building construction, which comprises a left pillar (10) and a right pillar (11), wherein a support cross rod (7) is connected between the left pillar (10) and the right pillar (11); the left end part of the support cross rod (7) penetrates through the left pillar (10) and extends to the left side of the left pillar (10); the right end part of the support cross rod (7) penetrates through the right pillar (11) and extends to the right side of the right pillar (11); the left end part of the support cross rod (7) and the right end part of the support cross rod (7) are respectively fixedly connected with the left pillar (10) and the right pillar (11) through locking nuts (9); external threads (8) matched with the locking nuts (9) are respectively arranged on the left end part of the support cross rod (7) and the right end part of the support cross rod (7); more than two wall plates (1) are sequentially arranged on the support cross rod (7).

The invention discloses a novel construction method of a grating intercepting ditch. The novel construction method mainly comprises the steps of digging a groove, installing a steel mold plate, spraying appropriate amount of emulsified asphalts, layering filling asphalts, removing the steel mold plate, placing a grating in an asphalt preassembling structure, and pressing the grating into a road surface to form one body. The construction method can reduce noise pollution and can reduce the possibility of road damage and road sinking and the maintaining operation is convenient.

A pile foundation protection pile, including a protection pile rod and a concrete base, and a reinforcement cage, the reinforcement cage adopts a rectangular structure with two ends open, the reinforcement cage is vertically buried in the pile protection pit around the concrete foundation, and the concrete foundation Set in the reinforcement cage; the reinforcement cage is made of the main reinforcement and the stirrup by binding wires, and there is also a "V"-shaped reinforcement between two adjacent main reinforcements, and one section of the "V"-shaped reinforcement is fixed on the reinforcement by wire binding On the cage, another section extends upwards slopingly to contact with the side wall of the pile protection pit. The construction method of the pile foundation protection pile includes: 1) prefabrication of the protection pile; 2) binding of the reinforcement cage; 3) excavation of the protection pile pit; 4) backfilling with fine sand; 5) installation of the reinforcement cage; 6) installation of the concrete base; 7) backfilling After the soil is compacted. Adopting the above structure and method can improve the stability of the retaining pile, avoid the situation of inclination and instability of the retaining pile, and can also ensure high stability at the site where mechanical and manual activities are frequent, and provide favorable conditions for pile foundation construction.

The invention discloses a parapet wall device used for building construction. The parapet wall device comprises a left supporting column (10) and a right supporting column (11). A supporting cross rod (7) is connected between the left supporting column (10) and the right supporting column (11). The left end of the supporting cross rod (7) penetrates through the left supporting column (10) and extends out of the left side of the left supporting column (10). The right end of the supporting cross rod (7) penetrates through the right supporting column (11) and extends out of the right side of the right supporting column (11). The left end and the right end of the supporting cross rod (7) are fixedly connected with the left supporting column (10) and the right supporting column (11) through locking nuts (9) correspondingly and are provided with external threads (8) matched with the locking nuts (9). Two or more wall plates (1) are sequentially arranged on the supporting cross rod (7).