67results about How to "Reduce the chance of drift" patented technology

The embodiment of the invention discloses a metal silicide forming method, comprising the following steps: a substrate is provided, and a gate region, a source region and a drain region are formed on the substrate; a metal silicide barrier layer is formed on the substrate; a photoresist layer with a gate region pattern, a source region pattern and a drain region pattern are formed on the metal silicide barrier layer; the photoresist layer with the gate region pattern, the source region pattern and the drain region pattern is used as a mask, the dry method etching process is adopted to etch the metal silicide barrier layer, the metal silicide barrier layer with the preset thickness is reserved, and the preset thickness is formed in the way that the photoresist layer with the gate region pattern, the source region pattern and the drain region pattern is used as the mask, and a primary wet method etching is carried out by adopting the DHF (dilute hydrofluoric acid) solution; the photoresist layer with the gate region pattern, the source region pattern and the drain region pattern is removed; and the metal silicide is formed on the substrate. With the adoption of the metal silicide forming method provided by the invention, the failure rate of a device is reduced.

The invention provides an automatic screw locking machine which comprises a suction nozzle which is connected with a vacuum generator and used for adsorbing a screw. The suction nozzle comprises a body and an adsorbing end located at one end of the body; an air flow channel penetrating through the adsorbing end and the body is arranged in the suction nozzle, the adsorbing end comprises an end portion far away from the body, an inner side wall opposite to the air flow channel and a stop face arranged on the inner side wall. When the suction nozzle adsorbs the screw, the screw enters the adsorbing end from the end portion and is stopped by the stop face; the inner side wall is further provided with a flow guiding groove which is in a spiral shape, extends from the end portion to the stop face and penetrates through the stop face to be communicated with the air flow channel.

The invention discloses an electronic device, comprising a housing, a circuit board, a frame, an electronic member support base and a plurality of electronic member. The circuit board and the framework are arranged inside the housing. The electronic member support base is positioned inside the framework and comprises a fixing part and a bearing part. The fixing part is fixed to the framework as a support point of the support base of the electronic member. The electronic members are arranged on the circuit part and electrically coupled to the circuit board. Gaps are positioned between the bearing part and the framework and between the bearing part and the circuit board.

The invention relates to a safe position-limiting mechanism for an automatic rotary table conveying device. The safe position-limiting mechanism for the automatic rotary table conveying device comprises a stopper arranged on a rotary table roller way, and a pressing plate arranged on a conveying roller way, wherein the stopper comprises two sleeves arranged on a bottom plate of the rotary table roller way; support rods are inserted into the two sleeves; one ends of the two support rods are connected with the bottom plate of the rotary table roller way through springs; the other ends of the twosupport rods are connected with the bottom part of one long strip-shaped stopper block; the top part of the stopper block is located above the rotary table roller way so as to stop a workpiece; the bottom part of the stopper block is connected with one end of a connecting rod; a rolling wheel seat and a rolling wheel are arranged at the other end, penetrating through the bottom plate of the rotary table roller way, of the connecting rod; two sections of inclined surfaces with opposite inclined directions are arranged at the bottom end of the pressing plate; the pressing plate is located on arotation path of the rolling wheel rotating along with the rotary table roller way, so that the rolling wheel contacts one section of the two sections of inclined surfaces and rolls along the inclinedsurface so as to drive the stopper block to move downwards, and the top part of the stopper block is located under the rotary table roller way; and through the elastic acting forces of the springs, the stopper block is reset after the rolling wheel and the pressing plate are separated.

The invention discloses a constructional column embedded steel dowel device, and belongs to the technical field of constructional columns. The device comprises rebars, wherein square hoops are weldedon the surfaces of the rebars and arranged in holes, the holes are formed in the upper surface of a beam plate, the rebars are fixedly connected with plate ribs through steel wires, and the plate ribsare arranged on the upper surface of the beam plate. The constructional column embedded steel dowel device has the effect of preventing a constructional column embedded steel dowel from displacing ina concrete pouring process, solves the problems of offset of the rebars in a concrete vibrating process and falling-off of infirm binding and greatly reduces rework times, and meanwhile, steel dowelconstruction is firmer, simple, effective, attractive and neat, so that the problems of constructional column rebar offset, difficulty in rebar planting, high probability of damage of the beam plate and the like are greatly solved; and the device effectively increases working efficiency, shortens construction period, reduces construction cost, guarantees construction quality and reduces the reworktimes, thereby achieving obvious economic benefits.

The invention relates to a safe bone sawing machine with high cutting accuracy. The safe bone sawing machine with high cutting accuracy comprises a base, a machine frame, a platform, a fixed-length plate and a saw blade. The safe bone sawing machine with high cutting accuracy further comprises a propulsion mechanism and two positioning mechanisms; each of the positioning mechanisms comprises a first driving assembly, a first connecting rod, a screw rod, a driving sleeve, two bearings, two second connecting rods and two connecting sleeves; the propulsion mechanism comprises a second driving assembly and two propulsion assemblies; each of the propulsion assemblies comprises a push board, a swing lever and a second transmission rod; and the first driving assembly comprises a second motor, a gear and an annular rack. According to the safe bone sawing machine with high cutting accuracy, a meat product can be automatically pushed toward the direction of the saw blade by the propulsion mechanism, so that, the probability of contact between an operator's palm and the saw blade is reduced so as to improve safety of the bone sawing machine; moreover, the fixed-length plate can be fixed by the positioning mechanisms, so that, the probability of offset of the fixed-length plate is reduced so as to improve quality of meat products cut by the bone sawing machine.

The invention relates to an energy-saving method for preparing an amine compound by continuous hydrogenation of a nitrile compound. The method comprises the following steps: 1) mixing a nitrile compound with an ammonia-containing organic solvent, feeding the mixture into a reactor filled with a catalyst, introducing hydrogen at the same time, and carrying out a hydrogenation reaction in a catalystfilling layer; 2) separating the material after the hydrogenation reaction in the step 1) into a gas phase and a liquid phase, and then separately leading the gas phase and the liquid phase out of the reactor; (3) separating the gas phase led out of the reactor in the step (2) to recover the ammonia-containing organic solvent, then replacing part of a fresh ammonia-containing organic solvent in the step (1) with the recovered ammonia-containing organic solvent, mixing the ammonia-containing organic solvent with the nitrile compound, and then circulating the mixture back to the reactor; and 4)removing the solvent from the liquid phase led out of the reactor in the step 2) to obtain the amine compound. According to the method, the solvent separation load is reduced by 40% or more on the basis of maintaining high conversion rate of raw materials and high selectivity of products, and the production energy consumption and equipment investment are greatly reduced.

The embodiment of the invention discloses a peritoneal dialysis pipeline. The peritoneal dialysis pipeline comprises a pipe body, wherein a gravity hammer is arranged at one end of the pipe body; an axis channel is formed in the gravity hammer; a water inlet is formed in one end of the gravity hammer, of the pipe body; two carvs are arranged at the other end of the pipe body, and a sewing hole isformed between the two carvs. According to the peritoneal dialysis pipeline disclosed by the invention, expenses are saved and the pain of a patient is reduced; general anesthesia is not needed, the operation is easy and convenient, time is saved, the rate of pipe floating and pipe removing is greatly reduced, and secondary surgery is almost not needed. Through the adoption of a placing method disclosed by the invention, the recovering speed is high; and in a conventional manner, the patients are often required to get down to the ground and walk after pipe placing to reduce the pipe floating,and a part of the weak patients are slow in own recovery and inconvenient to walk, for the placing method, the patients are not required to get down to the ground and walk, the wound is small, and therecovery speed is high.

The invention discloses a printing apparatus and a printing method. The printing apparatus comprises a first lifting platform, a second lifting platform, a printing device, and a main control device electrically connected with the first lifting platform, the second lifting platform and the printing device. Compared with the prior art, in the embodiments of the invention, a user can place a print material on the first lifting platform or on the second lifting platform during the time consumed by printing, and thus, the efficiency of printing is improved effectively. In addition, as the lifting mechanism goes up and down under control of the main control device, the surface of the first lifting platform and the surface of the second lifting platform are staggered and in horizontal planes of different heights, and thus, the first lifting platform and the second lifting platform do not collide with each other when sliding between a preparing station and a printing station.

The invention discloses a sampling device suitable for water quality detection of a flowing water area in the technical field of water quality detection equipment, the sampling device comprises a mounting rack and a connecting rope, the sampling device comprises a sampling barrel fixedly connected with the outer wall of the bottom of the mounting rack, the sampling barrel is a hollow cylinder, and mounting plates are fixedly mounted on the upper side and the lower side of an inner cavity of the sampling barrel; rotating plates are rotatably mounted on the outer walls of the sides, close to each other, of the two sets of mounting plates, open holes are uniformly formed in the outer walls of the sides, close to each other, of the mounting plates and the rotating plates, the open holes in the two sides coincide, and the sampling barrel is opened up and down in the device, so that resistance borne by the sampling barrel entering water is reduced, and water can also penetrate through the sampling barrel, so that the probability of fluctuation of a sampling water area in the downward moving process of the sampling barrel is reduced, the probability of moving and mixing of water in the sampling area is reduced, the sampling device can accurately collect water samples of corresponding layers, and the detection accuracy is improved.

The invention relates to the technical field of clamping equipment, and discloses an intelligent mechanical clamping device which comprises a driving part and a first adjusting mechanism used for driving the driving part to move transversely, and a second adjusting mechanism used for driving the driving part to move vertically is installed on an output shaft of the driving part; a clamping part is mounted on the second adjusting mechanism and comprises a mounting base and an outer sleeve fixed to the mounting base, an inner sleeve is horizontally and slidably connected into the outer sleeve, a clamping seat is horizontally and slidably connected into the inner sleeve, clamping plates are vertically and slidably connected to the two sides of the clamping seat correspondingly, and first wedge surfaces are arranged on the clamping plates; second wedge surfaces matched with the first wedge surfaces are arranged on the inner sleeve, a power piece is fixed to the mounting base, and an output shaft of the power piece is fixedly connected with the clamping seat. The clamping plates are horizontally matched with fixing pieces fixed to the inner sleeve in a sliding mode, an elastic sleeve is arranged between the clamping plates, and the elastic sleeve is fixed to the fixing pieces. The intelligent mechanical clamping device is simple in structure and is used for clamping a workpiece at a non-linear position.

The invention relates to a foldable infusion assisting apparatus, in particular to a foldable infusion assisting apparatus for feet in the pediatric department. The provided foldable infusion assisting apparatus for the feet in the pediatric department aims at achieving the technical purposes that legs of children can be fixed during infusion and the movement range of the legs of children can be limited. According to the technical implementation embodiment, the foldable infusion assisting apparatus for the feet in the pediatric department comprises a seat plate, a moving block, a support rod,a first clamping block, a base, a rotating block, a pedal, a lifting rod, fixing rods, a return spring, a clamping rod and the like; the base is arranged on the left side of the bottom of the seat plate, an inner cavity is formed in the left side of the seat plate, the moving block is placed on the rear side of the inner bottom of the inner cavity, and the first clamping block is arranged on the left side of the upper portion of the front side of the moving block. Through arrangement of the pedal, the feet of children can be placed during the infusion, the movement range of the feet of children is limited, and thus the probability of deviation of a needle position is decreased; through arrangement of the lifting rod, the height of the pedal can be adjusted according to characteristics of children, so that blood circulation of the legs of children is smoother.

The invention relates to the technical field of fixed-length cutting, and discloses a steel component length fixing mechanism. The steel component length fixing mechanism comprises a first plate and asecond plate fixed to the first plate. A sliding groove is formed in the second plate, and a positioning shaft is horizontally and slidably connected in the sliding groove. A first extruding plate located on the first plate is fixed to one end of the positioning shaft, and the outer wall of the positioning shaft is in threaded connection with a compressing shaft. The top of the second plate is horizontally and slidably connected with a third plate, the third plate is vertically and slidably connected with a first sliding plate driven by a first driving part, and a plurality of hollow fixed shafts penetrating through the third plate are fixed to the first sliding plate. A second sliding plate vertically and slidably connected with the third plate and driven by a second driving part is arranged above the first sliding plate. A plurality of auxiliary shafts are fixed to the second sliding plate and located in the fixed shafts correspondingly, and the auxiliary shafts are horizontally andslidably connected with the fixed shafts. A dividing ruler is fixed to the side wall of the second plate. The steel component length fixing mechanism is simple in structure, a steel component can befast positioned, and cutting errors are reduced.

The invention relates to the technical field of textiles and discloses a gumming bucket for the textiles. The gumming bucket comprises a bucket body, the inner side walls of the bucket body are respectively and fixedly connected with a first fixing ring, a second fixing ring and a third fixing ring, wherein the first fixing ring is positioned above the second fixing ring, the second fixing ring ispositioned above the third fixing ring, the lower surface of the bucket body is fixedly connected with a discharging box, and a discharging pipe is fixedly connected at the bottom of the dischargingbox in an inserted mode. According to the gumming bucket for the textiles, the rotational directions of a second annular block and a third annular block are opposite through a gear, the rotational directions of gel in an upper layer and a lower-layer in the bucket are opposite by utilizing the contrarotation of a first support rod and a second support rod, the gel collides in the bucket, the settling probability of the gel is reduced, the function of rapid and uniform stirring is achieved, the stirring effect of the gel is improved, a filter screen plays a role in filtering the gel before extracting the gel, and the impurities inside the gel are reduced.

The invention relates to a frame box culvert jacking structure of an underpass railway, and relates to the technical field of box culvert jacking construction.The frame box culvert jacking structure comprises a plurality of box culvert pieces, a first jacking mechanism and a second jacking mechanism, the box culvert pieces abut against one another in the horizontal direction, the first jacking mechanism comprises a plurality of hydraulic jacking pieces, and the hydraulic jacking pieces are arranged on the ground; the hydraulic jacking parts are arranged at equal intervals in the horizontal direction, the length directions of the hydraulic jacking parts are parallel, the hydraulic jacking parts are used for stretching out and drawing back and pushing the box culvert parts, and the second jacking mechanism is arranged on the ground and used for pushing the box culvert parts to move in the horizontal direction. The moving directions of the box culvert pieces pushed by the first jacking mechanism and the second jacking mechanism are perpendicular to each other. The box culvert jacking device has the effect that the occupied space of box culvert jacking construction is small.

The invention discloses a handheld dairy product risk pollutant detector and a detection method. According to the invention, the advantages of fluorescence detection and biological recognition principles are combined, so that the handheld dairy product risk pollutant detector has the characteristics of high detection sensitivity, high detection speed, simple operation, good selectivity and the like; by adopting the biconical optical fiber sensor, the excitation efficiency and the fluorescence collection efficiency of excitation light can be effectively improved, and the sensitivity of an instrument is improved. The method can be used for high-sensitivity rapid detection of dairy product risk pollutants.

The application relates to the technical field of building construction, and specifically discloses a prefabricated structural column and a construction method for a prefabricated structural column reversed as a partition wall. A prefabricated structural column, comprising cast-in-place piles and prefabricated pipes, the lower part of the prefabricated pipes extends into the cast-in-place piles, a positioning reinforcement frame is vertically arranged in the pouring-in-place piles, and connecting rods are fixed on the positioning reinforcement frames, so The end of the connecting rod away from the positioning reinforcement frame is fixedly connected to the inner wall of the cast-in-place pile, the upper part of the positioning reinforcement frame extends into the prefabricated pipe, and the outer wall of the positioning reinforcement frame abuts against the inner wall of the prefabricated pipe. The application improves the vertical stability and displacement ability when the prefabricated pipe is inserted into the cast-in-place pile.

The invention relates to the technical field of buildings, and discloses a fabricated steel structure integrated green building and a mounting process thereof. The fabricated steel structure integrated green building comprises a embedded part; the embedded part is a cuboid plate; a rectangular groove is formed in the upper surface of the embedded part; a pre-tightening mechanism is arranged on theembedded part; and the pre-tightening mechanism comprises a first pipeline, a second sliding block, a first pull rod, a first sliding groove, a first clamping block, a second spring, a downward moving block, a vertical rod, a second connecting rod, a fixing block, and a first vertical rod. The second connecting rod pushes the vertical rod to slide downwards in the first pipeline, and the verticalrod drives the downward moving block to compress hydraulic oil in the first pipeline and pushes the second sliding block to slide in the first pipeline, and the second sliding block drives the firstpull rod to drive the first clamping block to slide out of the first sliding groove to be attached to the side wall surface of the fixing block, so that the fixing block is fixed to the embedded part,the pre-tightening mechanism replaces manual supporting of the first vertical rod, and therefore the manual supporting of the first vertical rod is not needed, so that the probability of deviation ofthe first vertical rod caused by human factors is reduced, the manual workload is reduced, the working efficiency when the embedded part is placed is improved, and the installation precision is improved.

The invention relates to the field of surface treatment of graphite rods, in particular to a graphite rod grinding device, which is composed of a rod fixing unit and a grinding unit, the rod fixing unit and the grinding unit are both installed on the ground, and the The bar fixing units are arranged symmetrically on the left and right, the grinding unit is located between the bar fixing units, and the number of grinding units is two, the present invention not only performs surface grinding treatment on the graphite bar, but also can The graphite bar after surface grinding treatment is subjected to surface grinding and polishing treatment, and the surface treatment quality of the graphite bar is greatly improved through the cooperation between two different surface treatments. At the same time, in the present invention, the rod fixing unit is The clamped graphite rod is not easy to be in a suspended state, and the graphite rod has high stability and is not easy to be offset.