59results about How to "Quickly flatten" patented technology

The invention discloses a prepackable dry biological heart valve and its preparation method. The preparation method comprises: the step A, soaking fresh animal pericardium in an aqueous solution of soluble elastin or glycosaminoglycans, performing primary crosslinking reaction in carbodiimide/N-aminoglycosaminogly mixed solution, and bonding the elastin or glycosaminoglycans to the pericardium bychemical bonds; and the step B, the pericardium after primary crosslinking is subjected to secondary crosslinking reaction by using glutaraldehyde aqueous solution, and then the pericardium after secondary crosslinking is dried to obtain a prepackable dry biological heart valve. The dried biological heart valve prepared by the preparation method of the invention has good toughness and can be quickly flattened under the simulated bend pressure test.

The invention discloses a preloaded biological heart valve capable of rapidly rehydrating and a preparation method thereof. The preparation method comprises the following steps: crosslinking treatment, immersing a biofilm sheet in glutaraldehyde aqueous solution for crosslinking reaction; Hydrophilic treatment, wherein the biofilm sheet is immersed in a solution containing hydrophilic molecules and a condensing agent, and the hydrophilic molecules are immobilized on the biofilm sheet by a chemical grafting method; and drying, drying the biofilm sheets which have been treated by hydrophilic treatment and cross-linking treatment, so as to obtain a preloaded biological heart valve which can be quickly rehydrated. The pre-loaded biological heart valve prepared by the preparation method of theinvention can realize rapid rehydration, and the creases after rehydration can be quickly flattened and convenient to use.

The invention discloses a fast mortar-spreading device for building a brick wall, comprising a hopper and two sets of vibrating wheels which are arranged in front of and behind the hopper; the hopperis wide at the top and is narrow at the bottom, the top end of the hopper is a feeding port and the bottom end of the hopper is a discharge end, three strip-shaped mortar outlets are arranged at the discharge end; a plastering iron bar is respectively arranged at the bottom ends of a front surface and a back surfaces of the hopper; two sets of the vibrating wheels are respectively arranged in front of and behind the hopper, each set of the vibrating wheels are formed by four gears, a base plane of each gear is lower 2 centimeters than the base plane of the plastering iron bar. The mortar is conveniently and fast spread, the working efficiency is greatly improved, the labor intensity is reduced and the spreading mortar quality is improved.

The invention discloses a dry artificial biological heart valve containing polypeptide for promoting endothelialization and a preparation method of the dry artificial biological heart valve. The method comprises the following steps that cross-linking is performed on amino groups and carboxyl groups of an animal pericardium, and endothelialization treatment, hydrogel polymerization treatment and dewatering and drying treatment are performed on the animal pericardium, wherein the endothelialization treatment involves that the polypeptide for promoting the endothelialization is adopted to treat the animal pericardium. The preparation method has the advantages that the prepared dry biological heart valve has good water immersion flattening performance, and can be quickly immersed in water andflattened at a higher temperature and higher humidity, thereby reducing residues of glutaraldehyde and the like, and reducing the problems of calcification and toxicity which are caused by the glutaraldehyde and the like, therefore the preoperative installation of a valve system can be simplified, and the additional risks of surgeries are reduced; the polypeptide capable of promoting the endothelialization is also added in the preparation process, so that the prepared biological valve has the property of promoting the endothelialization.

The invention discloses a multifunctional ground leveling device for decoration, which comprises a casing and a driving motor; a stirring shaft is arranged inside the casing; the stirring shaft extends to the top of the casing and is connected with a driving motor; the bottom of the casing A discharge device is provided, and the discharge device is provided with a rotating tube. The present invention integrates a stirring device to efficiently stir and mix the coagulation map. Compared with manual labor, the stirring efficiency is high and the stirring effect is good; The leveling speed is fast and manpower is saved; the invention is equipped with an electromagnetic clutch and a leveling wheel, and uses a set of power devices to stir and smooth the concrete, reduces the volume of the device, improves the leveling efficiency, has various functions, and saves investment.

The invention discloses a dry artificial biological heart valve containing a growth factor for promoting endothelialization and a preparation method of the dry artificial biological heart valve. The method comprises the following steps that cross-linking is performed on amino groups and carboxyl groups of an animal pericardium, and endothelialization treatment, hydrogel polymerization treatment and dewatering and drying treatment are performed on the animal pericardium, wherein the endothelialization treatment involves that the growth factor for promoting the endothelialization is adopted to treat the animal pericardium. The preparation method has the advantages that the prepared dry biological heart valve has good water immersion flattening performance, and can be quickly immersed in water and flattened at a higher temperature and higher humidity, thereby reducing residues of glutaraldehyde and the like, and reducing the problems of calcification and toxicity which are caused by the glutaraldehyde and the like, therefore the preoperative installation of a valve system can be simplified, and the additional risks of surgeries are reduced; the growth factor capable of promoting the endothelialization is also added in the preparation process, so that the prepared biological valve has the property of promoting the endothelialization.

The invention relates to the technical field of accessory devices for fritillaria taipaiensis processing equipment, particularly to a fritillaria taipaiensis sun-drying device. The fritillaria taipaiensis sun-drying device can improve usage convenience of existing sun-drying devices through arranging an automatic fritillaria taipaiensis flattening device, and can improve fritillaria taipaiensis sun-drying sufficiency of the existing sun-drying devices through arranging a turning device. The fritillaria taipaiensis sun-drying device comprises a sun-drying table, a plurality of sets of left supporting legs and a plurality of sets of right supporting legs; further comprises a location limiting plate, a sliding block, a fixing plate, a motor, a fixing ring, two sets of hanger rods, a transmission shaft, a power gear, a gear strip, a fixed bearing, a driving plate, an upper rail rod, a lower rail rod, a clamping sleeve and a scattering device, wherein the scattering device is provided witha containing box, a transmission pipe and a separating box; and further comprises two sets of limiting plates, a pushing shaft, two sets of clamping shafts, a lifting rod, a power clamping rod, a chain, a driven chain wheel, a driving chain wheel, a driven hanging rod, a driven bearing, a driven rotating shaft, a driving hanging rod, a driving bearing, a driving rotating shaft, a supporting frameand a rotating rod.

The invention discloses a rapid flat-pressing device for carton production. The rapid flat-pressing device for carton production comprises a machine body. The front side of the machine body is provided with a front plate. The front surface of the front plate is fixedly provided with a controller, and the position, located at the upper end of the machine body, of the rear surface of the front plateis fixedly connected with a first electric extending and retracting rod. The feeding manner of the flat-pressing device is improved, the first electric extending and retracting rod is used for pushing a feeding mechanism to move, the stop position of the feeding mechanism can be precisely controlled through an infrared emitter and an infrared inductor, a pressing plate can carry out rapid flat-pressing on a paperboard, the pressing plate is additionally provided with a pressure sensor and an electronic level meter, the pressing intensity of the pressing plate can be monitored, the pressing balance of the pressing plate can also be monitored, a discharging mechanism of the flat-pressing device is improved, the flat-pressing carton can be collected, quantitative arranging can be carried outon the carton, the flat-pressing quality of the carton is improved, and the working efficiency of workers is also improved.

The invention discloses a rubber block cutting device for rubber tube production. The device comprises a cutting bottom plate, four sets of standing columns are arranged above the cutting bottom plate, the tops of the four sets of the standing columns are provided with top plates,the sides of the upper portions of the top platesare fixed to dust suction fans through screws, the bottoms of the topplatesare fixed to electric guiding rails by the screws, the electric guiding railsare provided with sliding blocks, the bottoms of the sliding blocksare fixed to telescopic air cylinders by the screws, telescopic rods of the telescopic air cylinders are fixed to mounting plates by the screws, two sides of a cutting disk are symmetrically provided with connecting rods, the ends of the connecting rodsare fixedly welded to the mounting plates, the ends, away from the mounting plate, of the connecting rodsare connected with mounting frames, and the vertical sections of the mounting framesare of n-shaped structures. The device has reasonable structure and novel design, flattens a rubber block in the process of cutting the rubber block, effectively improves the cutting quality of the rubber block, quickly sucks out the cutting powder, and effectively improves the cutting environment.

The invention relates to a compacting device, in particular to a compacting device for repairing small places on roads. The technical problem to be solved by the present invention is to provide a compacting device for repairing small places on roads which can be quickly flattened and works stably. In order to solve the above-mentioned technical problems, the present invention provides such a compaction equipment for repairing small roads, which includes a mounting frame, wheels, clamping and pushing devices, flattening devices, etc.; There is a first through hole in the center of the bottom of the mounting frame. A clamping and pushing device is provided on the upper left side of the mounting frame. There is a third through hole. The invention uses the flattening device to continuously move up and down to quickly flatten the filler, speed up the work efficiency, and improve the practicability of the equipment. Through the clamping block, the rubber balls of the equipment can be effectively prevented from being shaken out under vibration.

The invention discloses a material arranging and conveying device of a flat roll packaging machine, and relates to the field of paper roll packaging machines. The material arranging and conveying device of the flat roll packaging machine comprises conveying devices and further comprises flattening devices and a laminating device. The conveying devices comprise the first conveying device, the second conveying device and the third conveying device. The laminating device comprises a first pushing platform and a second pushing platform, and the flattening devices are arranged at the head end of the second conveying device and the head end of the third conveying device respectively. The tail end of the second conveying device and the tail end of the third conveying device are connected with the first pushing platform and the second pushing platform respectively. The material arranging and conveying device enables paper rolls to be flattened and also enables the flattened paper rolls to be stacked together, and therefore the paper rolls can be packaged on the whole. The material arranging and conveying device improves the production efficiency, saves the cost, can conduct flattening forming and stacking forming rapidly, enables subsequent packaging to be conducted smoothly, and meets the production requirements.

The invention belongs to the technical field of book and periodical production and processing and discloses mechanical automatic flattening equipment which comprises a workbench, a groove is formed in the workbench, a conveying mechanism is arranged in the groove, and a guide hopper used in cooperation with the conveying mechanism is arranged on one side of the workbench. Symmetrically-arranged material placing frames are fixedly installed at the upper end of the side, away from the guide hopper, of the workbench, and symmetrically-arranged material pushing grooves are formed in the lower ends of the two sides of the material placing frames in a penetrating mode. A motor drives a pushing column to rotate through a first rotating plate, so that a second rotating plate can be driven to swing by matching with a pushing groove, an arc-shaped gear ring is driven to swing through a rotating shaft, a driving gear is further driven to do circulating reciprocating rotation, and an L-shaped pushing plate can be driven to do circulating reciprocating motion through a rack; and then the books and the periodicals in the material containing frame can be sequentially pushed to the conveying belt, so that equal-interval mechanical feeding is achieved, manual operation is not needed, and manpower is saved.

The invention relates to the field of construction machineries, in particular to a prefabricated concrete sandwich heat preservation board production device, which comprises a side frame, a support board, a concrete discharging pipe, a concrete mixing box, a mixing device and a base plate seat. The lower end of the concrete discharging pipe is connected with a feeding pipe through a feed deliveryhose, a spreading assembly is fixedly arranged on the lower side of the feeding pipe, and a driving assembly used for driving a whole body composed of the feeding pipe and the spreading assembly for left and right movement is also arranged on one side of the feeding pipe; an external fixed plate is erected at the upper part of the base plate seat through a first elastic expansion assembly, a prefabricated frame is arranged on the inner side of the external fixed plate in a matched mode, a bottom support plate is also erected at the upper part of the base plate seat through a second elastic expansion assembly, and a vibration device is also arranged on the lower side of the bottom support plate. According to the prefabricated concrete sandwich heat preservation board production device, thestructure is novel, concrete is advantageously spread rapidly, convenient and rapid demoulding is achieved, and the production efficiency is significantly improved.

The invention discloses a mask surface folding equipment for a mask production line. The equipment comprises a workbench, wherein a roller frame, a folding frame, a tensioning device, a shaping wheel frame, a driving frame and a shearing frame are sequentially installed at the upper end of the workbench from left to right, three rollers are arranged at the upper end of the roller frame through a first rotating shaft, the folding frame comprises a crease frame and a crease deepening frame, a crease wheel is arranged on the crease frame, and a first motor is fixedly arranged on one side of the crease wheel. The mask surface folding equipment has the beneficial effects that the first motor, a second motor and a third motor are started, a damping rolling wheel drives the mask surface folding equipment to start to work, non-woven fabric and melt-blown fabric are folded through the rollers, the crease wheel, a first supporting rod, a second supporting plate and a pressing plate, then the folded mask is shaped through an upper shaping wheel, a lower shaping wheel and an electric heating block, and the folded mask is cut off through a cutter, so that the effects of simple structure and fast flattening and shaping are achieved, and large-scale production can be achieved under special conditions.

The invention belongs to the technical field of insole production equipment, and particularly relates to a production method of a customized insole based on a three-dimensional scanning technology. The production method of the customized insole based on the three-dimensional scanning technology comprises the steps that firstly, a foot shape of a user is scanned by three-dimensional scanning, and a customized insole production device is produced according to obtained data; secondly, the feet of the user are placed in the customized insole production device, adjustment is carried out to adapt to a sole of the current period; and finally, raw materials are placed in the adjusted customized insole production device for design finalizing, and can be taken out after completion. A rotating rod and an adjusting roller are arranged, and the rotating rod is adjusted to lower the adjusting roller, and the highest point of a supporting mat can be lowered, the customized insole is more suitable for arched and flattened feet after correction and can better adapt to the sole of the feet in the current period of the correction process. A set of devices can be adjusted to meet the needs of different types of foot in the correction process, and the cost of customized insole production is reduced.

The invention relates to a flattening device, in particular to a flattening device for laid cement. According to the flattening device for the laid cement, the laid cement can be flattened fast and attractively. The flattening device for laid cement comprises a base, wheels, a supporting rod, a first bolt, a handwheel, a pressing block and the like. The wheels are arranged at the bottom of the base. The supporting rod is connected to the middle of the top of the base. A first sliding block is arranged at the top of the supporting rod. A first sliding rail is arranged on the first sliding blockin a sliding mode. A first connecting plate is arranged on the first sliding rail. The first sliding rail is embedded in the lower portion of the first connecting plate. According to the flattening device for laid cement, the laid cement can be flattened fast, and the laid cement is beautiful. When the flattening device is not moved, the cement can be fast flattened everywhere. A first spring canreduce the impact force of a second pressing plate moving downwards, so that the cement can be better flattened, and the laid cement is more beautiful.

The invention discloses an agricultural material product two-dimensional code automatic scanning in-storage device which comprises a conveyor belt and a discharging distribution mechanism connected to the rear end of the conveyor belt. The conveyor belt is sequentially divided into a feeding section, a levelling section and a code scanning removing section from front to back; the levelling section of the conveyor belt is provided with a roller shaft conveying mechanism with square leveling pipes; the front portion of the code scanning removing section of the conveyor belt is located on an outer cover of the conveyor belt and provided with a code scanning box; and a removing mechanism is arranged on the back portion of the code scanning removing section of the conveyor belt. The discharging distribution mechanism comprises a discharging belt arranged at the rear end of the conveyor belt; the discharging belt is horizontally perpendicular to the conveyor belt; the two ends of the discharging belt are discharging ports; a driving motor of the discharging belt is connected with an industrial personal computer; a timer is arranged on the industrial personal computer; and the timer controls the driving motor of the discharging belt in a timing mode to rotate forwards or reversely to achieve distribution discharging. Code scanning information is recorded while agricultural material products are conveyed into storage, and it is guaranteed that the statistic error is avoided while the code scanning information of all the in-storage products are successfully recorded.

The invention discloses a cloth pressing device for a textile machine. The device includes a device body, the inner side of the device body is provided with an upper pressing roller and a lower pressing roller, the upper pressing roller is placed over the lower pressing roller, one side of the inner wall of the device body is provided with a servo motor, the output end of the servo motor is in transmission connection with one end of the upper pressing roller, the other end of the upper pressing roller is fixedly connected with the inner side of a first bearing base, second clamping grooves areformed in the middles of both sides of the inner wall of the device body, the two ends of the lower pressing roller are fixedly connected with bearing inner rings which are arranged inside two secondbearing bases, the second bearing bases are fixedly placed inside the two second clamping grooves respectively, and the bottom of the device body is provided with a steam device. According to the scheme, by arranging the steam device, humidifying and ironing can be conducted on textile cloth, the effect of cloth pressing is improved, the arranged motor and the upper and lower pressing rollers canrapidly press the textile cloth flat under the condition that the textile cloth is ironed, folds on the textile cloth are removed, and the quality of the textile cloth is improved.

The invention relates to a road surface paving device for highway bridge construction, which comprises a frame, the upper surface of the frame is fixedly connected with a support frame, a flattening assembly is arranged between the frame and the support frame, the flattening assembly comprises a rotating shaft fixedly mounted on the inner side of the frame, the outer side of the rotating shaft is fixedly connected with a rotating arm, and the rotating arm is fixedly connected with the support frame. The two rotating arms are both movably connected with the grinding roller, connecting rings are fixed to the outer sides of the rotating arms, a first motor is fixedly connected to the outer side of the supporting frame, a transmission shaft is fixedly connected to the output end of the first motor, and a winding roller is fixedly connected to the outer side of the transmission shaft; the outer side of the winding roller is fixedly connected with a steel wire rope with one end fixedly connected with the connecting ring. According to the pavement paving device for highway bridge construction, by arranging the flattening assembly, a user can drive a winding roller, a steel wire rope and a rotating shaft to be matched through driving of a first motor, so that a rolling roller of the pavement paving device makes contact with the ground, the ground can be rapidly flattened, and the working efficiency of the pavement paving device is improved.

The invention discloses a beam-wall quick-mounting and early-dismounting beam structure facilitating beam bottom adjustment and positioning. The beam-wall quick-mounting and early-dismounting beam structure facilitating beam bottom adjustment and positioning comprises a beam support assembly, a beam bottom keel end fixed connecting piece and a beam structure formwork assembly, wherein the top of the beam support assembly is provided with the beam bottom keel end fixed connecting piece in a buckling mode, and the beam structure formwork assembly comprises a beam bottom plate, beam side plates symmetrically arranged on the two sides of the beam bottom plate and a beam wall internal corner floor formwork arranged on the tops of the beam side plates; the bottoms of the beam side plates extend to the lower side of the bottom end face of the beam bottom plate, and the bottoms of the beam side plates and the bottom end face of the beam bottom plate form a beam bottom groove clamped with the beam bottom keel end fixed connecting piece; the tops of the beam side plates on the two sides extend to the upper side of the top end face of the beam bottom plate and form a beam pouring groove with the top end face of the beam bottom plate. According to the beam-wall quick-mounting and early-dismounting beam structure facilitating beam bottom adjustment and positioning, the beam structure formwork assembly can be quickly positioned, and meanwhile, the mounting position of the beam structure formwork assembly can be flexibly and quickly adjusted so as to eliminate position errors, so that the beam structure formwork assembly and a top panel assembly or a wall body can be tightly spliced; meanwhile, a split type beam wall supporting structure is adopted, the construction efficiency of a beam wall structure is greatly improved, the beam side plates, beam main keels, beam reinforcing assemblies and the like can be dismounted and recycled at the same time after concrete pouring and tamping are completed for 24 hours, and the material cost is greatly saved.

The invention provides a bituminous concrete pavement uniform paving and thickness detecting device and a using method. The bituminous concrete pavement uniform paving and thickness detecting device comprises a main rack structure, and a first box body structure and a second box body structure are symmetrically installed on the two sides of the main rack structure; walking wheels with the height convenient to adjust are installed on the outer side of the first box body structure and the outer side of the second box body structure through rapid locking mechanisms respectively. A thickness detection device for detecting the paving thickness in real time is mounted on the first box body structure; a middle hinge cage structure is installed between the main rack structures through a mandrel transmission assembly, and the two sides of the middle hinge cage structure are connected with a first outer side hinge cage structure and a second outer side hinge cage structure correspondingly. The middle hinge cage structure is connected with a hinge cage power device used for driving the middle hinge cage structure to rotate, and the hinge cage power device is fixedly installed at the top of the main rack structure. The device can be used in the asphalt concrete road construction process, rapid flattening of asphalt concrete is achieved, and then the flattening efficiency is improved.

Disclosed is an asphalt pavement repairing device for road repairing comprising a bottom plate, road pressing rollers are arranged at the positions, close to the two sides, of the outer wall of the bottom of the bottom plate, a material storage tank is arranged on the outer wall of the top of the bottom plate, a material guide hopper is arranged on the outer wall of one side of the material storage tank, and a material lifting barrel is arranged on the inner wall of the top of the material storage tank; a motor is arranged on the outer wall of the top of the material storage tank, an auger isarranged at one end of an output shaft of the motor and arranged in a material lifting barrel, heating plates which are distributed at equal intervals in an annular mode are arranged in the material lifting barrel, and a discharging opening is formed in the position, close to the top, of the outer wall of the material lifting barrel. A feeding opening is formed in the position, close to the bottom, of the outer wall of the material lifting barrel. Repairing raw materials can be fully mixed in the lifting process, the heating plate located in the lifting barrel can continuously heat the repairing raw materials, asphalt solidification is avoided, the pressing strength can be flexibly adjusted, and the using effect is better.