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26results about How to "Fixed uniform" patented technology

Optical fiber pressure sensor packaging structure and intrusive miniature blood pump

The utility model relates to the technical field of medical instruments, and discloses an optical fiber pressure sensor packaging structure and an intrusive miniature blood pump, the optical fiber pressure sensor packaging structure comprises a first metal section, a wire winding section and a second metal section, the first metal section, the wire winding section and the second metal section are communicated with one another and are sequentially connected to form a continuous metal packaging structure, the first metal section is of a hollow tubular structure, a probe of an optical fiber pressure sensor is arranged in the first metal section, and the first metal section is provided with a pressure sensing window; the wire winding section is used for winding and wrapping the periphery of part of the optical fiber section of the optical fiber pressure sensor, and the second metal section is of a hollow tubular structure and is used for internally arranging part of the optical fiber section, so that the optical fiber section and a probe in the optical fiber pressure sensor can be effectively protected, and laser welding is easier to realize by utilizing the metal sections on the two sides of the metal packaging structure. The purpose that the optical fiber pressure sensor is integrated on the miniature blood pump is achieved.
Owner:SHANGHAI PHIGINE MEDICAL CO LTD +1

Cable support

The utility model relates to the technical field of electric power engineering, and provides a cable support which comprises a fixed seat, partition plates are movably connected to one side of the fixed seat at equal intervals, fixed clamping plates are fixedly connected to the top ends of the partition plates at equal intervals, and movable clamping plates are arranged at the top ends of the partition plates on one sides of the fixed clamping plates at equal intervals. The sliding grooves are formed in the two ends of one side of the fixing base, a sliding plate is fixedly connected to one side of the partition plate, and bolt holes in threaded fit with the positioning bolts are formed in the two ends of the front face and the back face of the sliding plate. And one end of each positioning bolt is matched with a screw thread in the corresponding bolt hole, so that the sliding plate is limited and fixed after sliding, the distance between the partition plates can be changed, cables of different specifications and sizes are supported and fixed, the utilization rate of the space on one side of the fixing seat is improved, meanwhile, partition plates of different numbers can be installed, and the practicability is improved.
Owner:蒋洪轩

Multifunctional pipe wrench

The invention discloses a multifunctional pipe wrench, and relates to the technical field of pipe wrenches. Comprising a fixed plier handle, a fixed plier head is fixedly installed at the end of the fixed plier handle, a movable plier groove is formed in the fixed plier head, an adjusting bolt is rotationally installed in the movable plier groove, and a movable plier head is movably installed on the upper end face of the fixed plier head; a fastening assembly is arranged on the fixed tong head and the movable tong head, a driving assembly is arranged on the fixed tong handle, a positioning assembly is arranged on the driving assembly, clamping force between the pipe tong and a pipeline is enhanced through cooperation of the fastening assembly and the positioning assembly, and the fastening assembly comprises a positioning wheel rotationally installed on the movable tong head. And the positioning wheel is fixedly connected with a fastening chain. According to the pipe wrench, through cooperative use of the fastening assembly, the driving assembly and the positioning assembly, the fastening force between the pipe wrench and a pipeline is ensured, the more uniform and stable fastening effect on the pipeline is achieved, and meanwhile the working efficiency and safety are improved.
Owner:ZHAOYUAN CITY HONGRUN MASCH & TOOLS MFG CO LTD

High-frequency power supply for electric precipitation

The utility model provides a high-frequency power supply for electric precipitation, and belongs to the technical field of high-frequency power supplies. The high-frequency power supply for electric precipitation comprises a bottom plate, a transformer is arranged at the top end of the bottom plate, first heightening blocks are installed at the four corners of the bottom end of the transformer, the bottom ends of the first heightening blocks are fixedly connected with the top end of the bottom plate, a power box is installed at the top end of the transformer, and second heightening blocks are installed at the four corners of the top end of the power box; a heat dissipation mechanism is mounted on the inner side of the opening and comprises a heat dissipation cover, a fixing frame is mounted on the inner side of the heat dissipation cover, a heat dissipation fan is mounted at the top end of the fixing frame, a dustproof net is mounted at the top end of the heat dissipation cover, and exhaust ports are formed in the two sides of the bottom end of the power box correspondingly; the heat dissipation uniformity of the transformer can be effectively improved, the heat dissipation effect on the transformer is improved, and the high practical value is achieved.
Owner:YUJIE ELECTRIC TECH (WUXI) CO LTD

A surface enhancement treatment method for a fat pine and applications thereof

ActiveCN118288378BPrecise thickness controlPrecisely control density
The application discloses a surface reinforcement treatment method and application of pine containing fat, and the method comprises the following steps: completely immersing air-dried pine samples in a deionized water solution; after wiping off the excess water on the surface of the immersed pine, placing the pine samples in a mold; after preheating a hot press to 140-160 DEG C, preheating the mold containing the pine samples between hot press plates, and preheating for 10-30 s, obtaining softened pine samples; gradually pressurizing the softened pine samples under the action of mechanical force, the pressure being 5-40 MPa, the closing rate being 0.1-1 mm / s, and the compression amount being 5-20 mm; after reaching the target thickness, forming a closed system between the mold and the upper and lower press plates, and obtaining surface reinforced pine; keeping the surface reinforced pine at 160-200 DEG C for 2-6 h; after the pressure keeping is completed, opening the upper valve of the mold to perform air release treatment, then reducing the temperature of the hot press plate to below 50 DEG C, and releasing the pressure to obtain surface reinforced pine boards. The application can solve the problem that pine tar of pine containing fat is prone to overflow, and can significantly enhance the density, surface hardness and dimensional stability of the pine.
Owner:INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY

Leveling device for enabling surface of leather to be uniformly stressed

The utility model discloses a leveling device enabling the surface of leather to be evenly stressed, and relates to the field of leather leveling, the leveling device comprises a side plate, a conveying assembly and a leveling assembly, and the inner wall of the side plate is provided with a fixing assembly for fixing the leather. The fixing assembly comprises a first rotating rod, a screw rod, a threaded sleeve, a sliding plate, a spring, an extrusion block, a moving piece, a second rotating rod, a limiting piece, a torsion spring, a shaft pin, a gear, an L-shaped rod and a rack. The fixing assembly is arranged, leather can be fixed by the limiting piece in different directions through pushing of the leveling assembly, the leather can be evenly fixed due to the fixing effect of the limiting piece in the different directions, and the problem that the leather is extruded incompletely due to the fact that the position of the limiting piece is improper is solved; and in addition, additional driving units and manual intervention are not needed in the automatic fixing and extruding process, so that the use cost is reduced, and the production efficiency is improved.
Owner:QINGDAO JINHONGYU COMPOSITE MATERIAL CO LTD

Complete set of connecting assembly for preventing displacement of bedding

The invention discloses a flexible connecting assembly for anti-displacement fixing of bedding, which comprises a hook surface part and a hair surface part which are matched with each other and are both made of ultrathin flexible skin-friendly materials, the connecting assembly is of a complete set structure special for the bed product and comprises corner fixing pieces arranged at the four corners of the bed product and edge fixing pieces distributed along the four side edges of the bed product continuously or in a segmented mode. The anti-displacement, anti-deviation and anti-curl effects of the bedding are achieved through the all-directional symmetrical layout of the corners and the edges, the structure is divided into two forms of adhesive pasting and adhesive-free sewing, the multi-layer bedding can be stacked and fixed through the double-face rough surface integrated structure, the whole bed is light, thin and soft, smooth in attachment, free of hurting the body and snagging, convenient to install and firm in fixation, and the application range is wide. The anti-displacement fixing device is suitable for anti-displacement fixing of various bedding articles such as quilt covers, quilt cores, mattresses and bedspreads. The invention belongs to brand-new application innovation of an ultrathin flexible connecting assembly in the field of bedding displacement prevention, through a four-corner and four-edge complete-set layout and a double-sided hair and double-sided hook integrated structure, multi-layer synchronous fixing of one mother connecting two child is achieved, and compared with the prior art, the multi-layer synchronous fixing device has prominent substantive features and remarkable progress.
Owner:樊斌

Wireless controller and 4g iot wireless dual output controller

The application relates to the technical field of wireless controllers, in particular to a wireless controller and a 4G Internet of Things wireless double-output controller. The wireless controller comprises a bottom shell, a top cover and an antenna on the bottom shell. A circuit board is arranged in the middle of the bottom shell. Electric wires are fixedly arranged at both ends of the circuit board. A plug is fixedly arranged on one end of the electric wires. The other end of the electric wires is connected with an electromagnetic valve and an exhaust fan. A fixing screw ring is arranged between the top cover and the bottom shell. Positioning holes are arranged on the fixing screw ring. Threaded holes are arranged on the top cover and the bottom shell. Fixing screws for fixing the top cover and the bottom shell are screw-connected in the threaded holes of the top cover. The wireless controller has the advantages of compact structure, perfect function, easy installation and maintenance, efficient data transmission and reception, flexible power connection, enhanced system security, easy integration and expansion and the like.
Owner:SHENZHEN RANTONG TECH CO LTD

Polishing equipment for rubber roller production

The utility model discloses polishing equipment for rubber roller production, and aims to solve the problems of low polishing efficiency, unstable quality, low automation degree and the like in the prior art. Comprising a feeding assembly, a rolling driving assembly, a discharging assembly and a polishing assembly. The discharging end of the feeding assembly is connected with the feeding end of the rolling driving assembly, and a rubber roller to be machined is located in the feeding assembly. The polishing assembly is located on one side of the rolling driving assembly, and the discharging assembly is located above the rolling driving assembly. Through cooperative work of all the components, automatic polishing of the rubber roller is achieved, polishing efficiency and quality are improved, labor intensity is reduced, and the rubber roller polishing device has the advantages of being compact in structure, easy and convenient to operate, high in adaptability and the like and is suitable for the field of rubber roller production.
Owner:SUZHOU LIHUAMITEX RUBBER ROLLER MFG CO LTD

Mining explosion-proof water shed suspension device

The utility model relates to a suspension device for a mining explosion-proof water shed. The suspension device comprises a mounting frame, a connecting assembly and a measuring mechanism. The mounting frame comprises two parallel mounting rods and is used for being fixed to the top or the wall of a roadway. The connecting assembly is composed of a plurality of first connecting belts and hooks, the first connecting belts are arranged at intervals in the extending direction of the mounting rod, and the hooks are movably mounted at the two ends of the first connecting belts and used for hanging the explosion-proof water bags. The measuring mechanism is provided with a floating ball and a measuring assembly, the floating ball floats along with water level changes in the water bag, and the measuring assembly monitors the water level in real time. The device further comprises a second connecting belt connected with the first connecting belt to enhance stability, an S-shaped hook and a rotating rod mechanism achieve flexible hanging, a fixing belt and a rubber ring structure are used for reinforcing the whole device, and a heavy block and a reinforcing ball further ensure measurement accuracy and durability. According to the utility model, through the combination of the floating ball and the measuring assembly, a direct and visual water level monitoring means is provided for workers, and the problem of difficulty in water level monitoring in the prior art is solved.
Owner:CHINA ENERGY GRP NINGXIA COAL IND CO LTD

Polyolefin composite diaphragm for lithium battery as well as preparation method and application of polyolefin composite diaphragm

The invention belongs to the technical field of lithium ion battery diaphragms, and particularly discloses a polyolefin composite diaphragm for a lithium battery as well as a preparation method and application of the polyolefin composite diaphragm. When the polyolefin composite diaphragm provided by the invention is prepared, the bonding functional layer can be formed without a coating process, the thickness of the film is reduced, the adverse effect on the performance of the diaphragm caused by thickening the diaphragm by a coating is avoided, and the wettability of the polyolefin diaphragm can be improved due to the existence of the bonding functional layer. Besides, the coupling agent is added into the raw materials, so that the diaphragm can be endowed with stable and firm polar sites, the binding force between the functional polymer material and the polyolefin matrix is enhanced, and the formed binding functional layer is fixed on the surface of the diaphragm and is not easy to peel and fall off. According to the diaphragm preparation process provided by the invention, the preparation of one kind of coating films can be realized almost without modifying an existing wet-process polyolefin diaphragm production line, so that the process can be simplified, the enterprise load and the production cost can be greatly reduced, and the diaphragm preparation process has a good application prospect and economic value.
Owner:YINGKOU KANGHUI PETROCHEM

Dispensing device and dispensing method for improving air tightness of plastic coated part through dispensing

The invention discloses an adhesive dispensing device and an adhesive dispensing method for improving the air tightness of a plastic coated part through adhesive dispensing, and relates to the technical field of adhesive dispensing devices. The device comprises a base, a moving plate is arranged on one side of the base, an adjusting plate is slidably arranged on one side of the moving plate, a workpiece is arranged on the base, a fixing seat is fixedly connected to the top of the adjusting plate, an adjusting part is installed in the fixing seat, and a shell is installed on one side of the fixing seat. According to the glue dispensing device, the driving piece and the linkage piece are arranged, the driving piece is started to operate to drive the push rod to move in a reciprocating mode, the bottom end of the push rod can push glue conveyed into the linkage bin through the glue conveying pipe to be extruded out, glue dispensing operation on a workpiece is achieved, and along with circulating reciprocating movement of the push rod, a fixing piece can drive the linkage piece to operate; and the impeller rotates intermittently in the glue storage bin, glue in the glue storage bin is conveyed into the linkage bin according to the fixed amount, and therefore it can be ensured that the glue amount extruded every time is uniform and fixed, and effective control is achieved.
Owner:SHENZHEN YUSHENG OPTOELECTRONICS CO LTD

Metal doctor blade for printer

The utility model relates to a metal doctor blade for a printer, which comprises a doctor blade holder and a doctor blade, the doctor blade comprises a working end and a fixed end, the fixed end is fixed on one side of the doctor blade holder through a welding process, and a welding seam of the fixed end and the doctor blade holder comprises a main welding seam and a reinforcing welding seam; the main welding seam extends in the length direction to provide basic connecting force, and the reinforcing welding seams at the two ends are arranged in an inclined mode to form a triangular supporting structure, so that the overall strength of the joint of the blade and the tool rest is effectively enhanced, and the cracking risk is reduced. Due to the inclined arrangement of the reinforcing welding seams, concentrated stress at the two ends can be dispersed to the two sides, fatigue damage caused by long-term load is avoided, and the service life of the doctor blade is prolonged; and due to the multi-welding-seam design, the blade can be more uniformly fixed on the knife rest, the vibration deviation during working is reduced, the ink powder scraping and conveying precision is ensured, and the stability of the printing quality is further improved.
Owner:ZHONGSHAN DINGCHENGSHENG NEW MATERIALS CO LTD

End cover for fixing spiral-wound membrane element

The utility model discloses an end cover for fixing a spiral-wound membrane element. The end cover comprises an inner ring structure and an outer ring structure, wherein the inner ring structure and the outer ring structure are arranged layer by layer from inside to outside and share a circle; the inner ring structure and the outer ring structure are connected through the middle oval ring body and the multiple special-shaped connecting rib plates, one end of each special-shaped connecting rib plate is connected with the inner ring structure, and the other end of each special-shaped connecting rib plate is connected with the intersection point of the middle oval ring body. The end cover structure for fixing the spiral-wound membrane element is optimized, and the elliptical ring body and the special-shaped connecting rib plates are arranged between the inner ring structure and the outer ring structure, so that on one hand, the end cover rib plates are more uniformly distributed on the whole end surface, the stress of the membrane is more uniform, and the risk of deformation of the membrane is reduced; the overall rib plate layout is approximately triangular, so that the overall structure of the end cover is more stable, and the risk of deformation of the end cover is reduced.
Owner:WANHUA CHEM GRP CO LTD

A circuit board edge grinding device

ActiveCN224274419URealize continuous grinding operationavoid offsetEdge grinding machinesGrinding carriagesOperational safetyAutomation
This utility model discloses a circuit board edge grinding device, relating to the field of circuit board processing technology. It includes a support base with a groove on one side of its top. A slider is slidably connected to the groove via a first driving mechanism. A movable base is fixedly connected to the top of the slider. Insertion holes are provided on both sides of the top of the movable base. A rotating shaft is rotatably connected to the top of the movable base. A rotating block is fixedly connected to the top of the rotating shaft. A through groove is provided on the rotating block, and a second sliding groove communicating with the through groove is provided on the top of the rotating block. Clamping blocks are slidably provided on both sides inside the through groove. This utility model achieves uniform clamping and stable fixation of the circuit board, effectively avoiding displacement and surface damage. Simultaneously, through a rapid angle switching function, it reduces repeated clamping time, significantly improving processing efficiency and automation level, and ensuring operational safety and reliability.
Owner:TAIPING CIRCUIT TECH (SHENZHEN) CO LTD

Feeding device for stamping die machining

The utility model discloses a feeding device for stamping die machining, which comprises a stamping table, a feeding device, a feeding device and a feeding device. A working table is mounted at the top of the stamping table, and a rotating part is arranged on one side of the stamping table; and the two side plates are arranged on the two sides of the rotating piece, one side of each side plate is movably connected with a storage square frame, the outer side of each storage square frame is movably connected with a lifting plate, and the top of each lifting plate is fixedly connected with four second driving parts. In the stamping process, the second driving part drives the connecting rod and the pressing wheel to rotate, the pressing wheel exerts pressure on a plate in the containing square frame, the plate is tightly pressed in the containing square frame, due to the fact that the four corners of the containing square frame have the effect of the pressing wheel, the plate can be evenly fixed, and edge warping of the plate due to the effect of stamping force is effectively prevented; the problems of size deviation, uneven surface and the like of stamping parts are avoided, the qualification rate of the stamping parts is improved, meanwhile, impact and abrasion to the die can be reduced through the stable plate position, and the service life of the die is prolonged.
Owner:YONGKANG ZHIXUAN IND & TRADE CO LTD

Rubber seal ring slitting machine

This utility model relates to the field of rubber cutting technology and discloses a rubber sealing ring strip cutting machine, including a worktable. Two uprights are respectively provided on the left and right sides of the worktable. Multiple equally spaced pressure strip assemblies are connected to the uprights. Each pressure strip assembly includes a pressure plate. A screw is threaded onto the upright, with one end of the screw rotatably connected to the top surface of the pressure plate. A second upright is provided on the worktable, with a cylinder connected to its center. A lifting frame is connected to the telescopic end of the cylinder. A crossbeam is connected to the lifting frame, and a sliding hole is provided on the crossbeam. Multiple cutting blades are slidably connected within the sliding hole. A U-shaped component is provided on the top surface of each cutting blade, and a bolt is threaded onto the U-shaped component. One end of the bolt passes through the sliding hole and extends to the other end of the U-shaped component, where a nut is threadedly connected. The pressure strip assemblies can fix the rubber strip, ensuring material stability during cutting and guaranteeing the quality of the cut strips. Simultaneously, the blade spacing is adjustable, improving the flexibility of the equipment.
Owner:SHIJIAZHUANG JIANYI NEW MATERIAL TECH CO LTD

Circulation AAO (anaerobic-anoxic-oxic) integrated sewage treatment device

The invention discloses a circulation AAO integrated sewage treatment device, and relates to the technical field of sewage treatment. The device comprises a treatment bin, an anaerobic chamber is arranged in the treatment bin, an anoxic chamber is arranged in the treatment bin, and an aerobic chamber is arranged in the treatment bin. The device is provided with a feeding assembly and a driving part, the driving part operates to drive an extrusion rod and a fixed plate to reciprocate and lift in a communicating groove, and a flocculating agent in a lower bin is quantitatively pushed through the extrusion rod, so that the flocculating agent is extruded into sewage in a settling tank through a discharge port; therefore, the flocculant extruded every time can be ensured to be uniformly fixed, effective control is realized, and suspended particles in water are ensured to be in full contact with the flocculant to form larger flocs, so that the precipitation or flotation efficiency is improved, unnecessary waste is avoided, the treatment cost is reduced, meanwhile, the uniform and quantitative addition is beneficial to stabilizing the sewage treatment process, and the sewage treatment efficiency is improved. And the effluent quality is ensured to reach the expected standard.
Owner:WUHAN RUNLV ENVIRONMENTAL PROTECTION TECH CO LTD

Engine pipeline connecting equipment

The invention discloses engine pipeline connecting equipment, and relates to the technical field of engine pipelines. The device comprises a machining table, a plurality of limiting columns are fixedly connected to the top of the machining table, two sliding rails are symmetrically and fixedly connected to the top of the machining table, sliding blocks are slidably connected to the two sliding rails, and a reciprocating machine is fixedly connected to the top of the machining table. The device is provided with an extrusion assembly and a connecting piece, an extrusion rod can be driven to reciprocate through operation of a driving piece, so that sealant is continuously pushed to be extruded, automation of the sealant is achieved, a linkage piece in a groove can be driven to operate along with reciprocating motion of a fixing plate, and the sealing effect is improved. The sealant in the sealant storage bin can be conveyed into the connecting bin through the guide pipe according to the fixed amount, so that it is guaranteed that the amount of the sealant extruded every time is uniform and fixed, the situation that the connecting stability between a pipeline and an engine is affected due to the fact that the amount of the sealant is too large or too small is reduced, and the repair rate and the probability of customer complaints are reduced.
Owner:ZHEJIANG JINGAN AUTO PARTS CO LTD

A connector of a rotatable guard structure

The utility model discloses a connector technical field's a rotatable protection structure's connector, including rotation protection mechanism and female head subassembly, the rotation protection mechanism detachable installation in the female head subassembly's outside, and rotation protection mechanism realizes the switching of open and close state through rotation drive, covers female head subassembly to insulate external environment when closing state, and rotation protection mechanism includes fixed disc subassembly, protection plate subassembly and outer turntable subassembly, protection plate subassembly sets up in the side of fixed disc subassembly, outer turntable subassembly is connected with fixed disc subassembly and protection plate subassembly swing respectively, and this kind of connector with protection structure, through installing rotation protection mechanism on female head, through the open and close of rotation protection mechanism of rotation drive, can protect female head when not using, avoid the dust impurity and the moisture to enter the inside of female head to cause the damage of female head internal metal spare, improve the service life of connector.
Owner:WUHAN ZHONGGUANG CONNECTOR

Quick drying equipment for wear-resistant coating

The utility model belongs to the technical field of coating drying, particularly relates to quick drying equipment for a wear-resistant coating, and aims to solve the problems that when the drying equipment is used for drying, moisture, auxiliaries and the like in the coating are heated to evaporate and generate harmful waste gas, and the waste gas generated by evaporation cannot be treated in the drying process, so that the surrounding environment is polluted, and the drying efficiency is low. According to the technical scheme, the device comprises a device shell, a protective door is hinged to the outer surface of the device shell, a mounting plate is fixed to the upper end of the interior of the device shell, and two air inlet fans are fixed to the interior of the mounting plate through bolts; and heating pipes fixedly connected with the equipment shell are arranged below the two air inlet fans. According to the waste gas treatment device, impurities in waste gas are filtered through the filter screen and the filter cotton, and peculiar smell in air is adsorbed through the activated carbon plate and discharged to the outside, so that the waste gas is treated, the pollution of the peculiar smell in the air to the environment is reduced, and the working environment of workers is improved.
Owner:JIANGSU GUANKE NEW MATERIAL CO LTD

Round honeycomb core structure and manufacturing method thereof

The invention provides a circular honeycomb core structure and a manufacturing method thereof, and relates to the technical field of honeycomb cores, the manufacturing method comprises the following operation steps: S1, providing a plurality of circular metal tubes, and forming a groove in the same position of the peripheral wall of each metal tube; s2, arranging a plurality of metal tube arrays into a honeycomb shape; s3, metal fibers are wound in the grooves to connect the multiple metal pipes together, and a preformed product is formed; and S4, sintering the preformed product, so that the joints of the metal pipes are fixed together through sintering to obtain the circular honeycomb core structure. Through the metal fiber winding and sintering mode, the limitation of a corundum crucible is eliminated, circular honeycomb cores of different sizes can be manufactured, the production flexibility is improved, material waste and resource consumption are reduced, and the manufacturing cost is reduced.
Owner:WUHAN UNIV OF TECH

Spraying device for production of trimmer shell

The invention relates to a spraying device for production of a trimmer shell. Comprising a spraying box, and the top end of the spraying box is rotationally connected with a cover plate; the top end of the cover plate is fixedly connected with a sealing rubber strip; an observation window is formed in the side wall of the spraying box; a water outlet is fixedly connected to the side wall of the spraying box; the side wall of the spraying box is fixedly connected with a pair of storage boxes; a pair of nozzles is arranged on the inner side wall of the spraying box; the spray head is connected to the storage box through a pipeline; the bottom end of the spraying box is rotationally connected with a first fixing rod. The side wall of the first fixing rod is fixedly connected with a pair of electric push rods; the side wall of the first fixing rod is slidably connected with a supporting ring. The supporting ring is pushed through the electric push rod, so that the ejector rod forms uniform supporting force on the inner side of the shell, the shell can be quickly fixed, the preparation time is shortened, and the defects after spraying caused by the fact that a clamp shields an outer spraying surface during spraying of a spray head due to clamping and fixing from the outer side during shell fixing are reduced.
Owner:SUZHOU WEIYE METAL PROD

Road bridge water supply pipe installation structure

This utility model discloses an installation structure for water supply pipes on roads and bridges, belonging to the field of pipeline installation technology. It aims to solve the problems of low reliability and short lifespan caused by vibration, leakage, and corrosion in existing structures. It includes a triangular support plate, a pipe, and protective components positioned between them. The protective components include a rubber tube sleeved on the outer wall of the pipe, an arc-shaped steel plate supporting the pipe, and an arched pipe clamp spanning the top. The arched pipe clamp is connected to the triangular support plate through a fixing component to clamp and fix the pipe. This utility model achieves the beneficial effects of vibration reduction, corrosion prevention, safety, reliability, and significantly extended service life by using a rubber tube as a buffer and anti-corrosion isolation layer, and utilizing the matching arc surfaces of the arc-shaped steel plate and the arched pipe clamp to achieve tight coverage and stable fixation of the pipe.
Owner:CHANGZHOU MUNICIPAL CONSTR ENG GRP CO LTD

Hypercrosslinked polyamide-imide polymer and preparation method thereof

ActiveCN119613721ARich network structurefixed uniformOther chemical processesWater contaminantsImidePolymer science
The invention discloses a super-crosslinked polyamide-imide polymer and a preparation method thereof, and relates to a polymer and a preparation method thereof, the polymer has a plurality of active adsorption sites such as carbonyl, imide ring and amide, and provides rich nitrogen and oxygen heteroatoms and a regular polymer network structure. Due to the fact that the super-crosslinked polyamide-imide polymer carries a large number of positive charges and a regular polymer network structure, the electrostatic interaction with anions is enhanced, bromine, iodine and dye anions can be evenly fixed to the adsorbent, and meanwhile the adsorption capacity of the adsorbent is improved. The carried oxygen-containing functional group, nitrogen-containing functional group and fluorine-containing functional group can be used as Lewis alkaline sites to be combined with bromine, iodine and organic dye; the preparation method is simple, and the cost is reduced. The super-crosslinked polyamide-imide polymer is widely applied to preparation of pollutant adsorption materials and has a wide application prospect in the field of pollutant adsorption materials.
Owner:ZHONGSHAN JINXI NEW MATERIALS CO LTD +5

In-situ whisker reinforced aerogel thermal insulation composite material and preparation method thereof

The invention discloses an in-situ whisker-reinforced aerogel thermal insulation composite material and a preparation method thereof. The invention prepares an aerogel thermal insulation composite material with high specific strength through fiber etching, whisker-modified fiber, sol preparation and impregnation, aging, supercritical drying and high-temperature sintering. The ceramic fiber is modified with alumina-silicon oxide composite aerogel, whiskers are generated in-situ on the fiber surface, the interface bonding force between the aerogel and the fiber is increased, and the mechanical properties of the aerogel thermal insulation composite material are significantly improved.
Owner:CHANGSHA RONGLAN MACHINERY