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41results about How to "Not easy to bend and break" patented technology

Reinforced type wind-driven generator

The invention relates to a reinforced type wind-driven generator which fundamentally solves the problems of poor mechanical strength, large execution difficulty, poor practicability and the like existing in the existing large-sized wind-driven generator. The reinforced type wind-driven generator has the technical key points that both ends of a central shaft of an impeller group are assembled on a central shaft bracket arranged on a rotating disc type platform by utilizing a bearing and a bearing seat, the root of a vane of the impeller group is fixed on a vane connecting sleeve on the central shaft, the tip of the vane is fixed on the wheel edge of the impeller group, the middle part of the vane is fixed on a transmission support ring arranged between the central shaft and the wheel edge, both sides of the vane connecting sleeve on the central shaft are respectively provided with an inclined pull rope fixing disc fixed with an inclined pull rope, the other end of the inclined pull rope penetrates through the transmission support ring to be fixed with the wheel edge, the vane is additionally provided with a vane inclined pull rope which is connected with the inclined pull rope fixing disc, and an impeller support rack used for supporting the impeller group is fixedly installed on the rotating disc type platform. The stress of the vane of the reinforced type wind-driven generator is uniform, the vane of the reinforced type wind-driven generator can be assembled on the spot, and the reinforced type wind-driven generator has wide speed adjustable range and does not need a transmission case. The reinforced type wind-driven generator is suitable for various wind-driven power generation places.
Owner:戚永维

LED (Light Emitting Diode) display screen module with separated lamp boards and driving boards

The invention discloses an LED (Light Emitting Diode) display screen module with separated lamp boards and driving boards. The LED display screen module comprises a circuit board, wherein the circuit board comprises a plurality of groups of LED lamp boards and a plurality of groups of driving boards, which are matched and connected mutually; each module comprises the plurality of groups of LED lamp boards and the plurality of driving boards, which are matched and connected mutually, and the large module is divided into a plurality of independent display units, so that signal interfaces and power supply interfaces can be more accurately butted; a PIN needle is not easy to bend and break and the connectedness of signals is enhanced; the frame loss rate of signal transmission is reduced and the time consumed in a module mounting process is reduced; meanwhile, the heat dissipation effect is further enhanced.
Owner:SUZHOU HEXINMEI ELECTRONICS SCI & TECH CO LTD

Myrica rubra dongkui dwarf high-yield planting method

The invention relates to the technical field of myrica rubra planting, in particular to a myrica rubra dongkui dwarf high-yield planting method. The myrica rubra dongkui dwarf high-yield planting method is characterized by comprising the following steps of planting from the last ten days of February to the middle ten days of March, and pruning, wherein the position 40-50 cm high of a trunk is cut back after planting, lateral buds are induced heavily, three to four lateral buds which are distributed evenly are selected as main branches, the interval between the main branches is kept15-20 cm, the opening angle is 45-60 degrees, the top is pressed when the crown grows to be 1.5-1.8 meters high, the crown keeps below two meters, too long branches are pinched and broken, and dense branches, slim and fragile branches and too excessive branches are properly thinned. The height of the myrica rubra dongkui is controlled through management and cutting of seedlings and is controlled below two meters, the yield is increased, the fruit quality is improved, final-period management is facilitated, and the myrica rubra dongkui is not prone to being bent or broken.
Owner:郎溪县建平镇玲珑苗木种植家庭农场

Construction method of municipal road pipelines

The invention relates to the field of municipal pipeline construction, in particular to a construction method of municipal road pipelines. The construction method comprises the steps that S1, trenchesare excavated; S2, the bottoms of the trenches are leveled; S3, pipeline seats are placed; S4, pipeline units are hoisted; S5, cement mortar is coated on the outer walls of the joints of the adjacentpipeline units; S6, after concrete connecting pipes are solidified, the trenches are filled with gravels; S7, slurries are poured into the trenches until the slurry level is higher than the gravels;S8, the tops of the trenches are completely covered with waterproof materials, and then still standing is conducted for at least 3 d; S9, the trenches are backfilled with soil to the soil layer heighthigher than the original pavement; S10, the backfilled soil is compacted to form a road soil layer; S11, the height of the road soil layer is adjusted to meet the road design requirements; and S12, roads are paved. The construction method has the effects that the municipal road pipelines are not prone to bending and breaking due to local stress, the structure is stable, leakage is not prone occurring, the pavement is stably supported, and the quality of the municipal roads and the municipal road pipelines is good.
Owner:君兆建设控股集团有限公司

Stirring and aeration device of vertical aerobic composting reactor

The invention discloses a stirring and aeration device of a vertical aerobic composting reactor. The device comprises a reactor unit and a feeding unit mounted at the upper end of the reactor unit, wherein the reactor unit comprises a vertically placed hollow cylindrical reaction tank, and a blade stirring structure is rotatably mounted in the reaction tank; the blade stirring structure comprisesa hollow connecting shaft and stirring blades evenly distributed on the connecting shaft; and the outer ends of the stirring blades are connected with a plurality of scraping plates with bevel edges.According to the invention, the feeding unit is provided with a stirring shaft and knife edges alternately distributed on the stirring shaft scatter materials, so the materials can easily pass througha mesh screen; the ends of balls can enter holes of the mesh screen, so the mesh screen holes are prevented from blockage; and the particle sizes of the materials passing through the mesh screen holes are uniform, so the condition of anaerobic fermentation in the process of composting is avoided. The scraping plates are arranged in the stirring and aeration device to scrape materials, close to atank wall, in the reaction tank; and vent holes of the stirring blades are densely distributed in the edges of the blades to effectively supply oxygen, so the quality of an organic fertilizer is improved.
Owner:高淑兰

Implanted medical device

The invention discloses an implanted medical device, which comprises at least one circle of bare stent and at least one anchor thorn, wherein the bare stent comprises a plurality of wave-shaped sections which are connected end to end, and at least one end of at least one of the plurality of wave-shaped sections is bent to form the anchor thorn. According to the implanted medical device disclosed by the invention, the anchor thorn, which is one part of the wave-shaped sections, is excellent in rigidity and bending strength, the anchor thorn, which is prevented from falling off from the wave-shaped section, is good in stability, and the anchor thorn is relatively good in fatigue tolerance so as to avoid bending and breaking when exerted by biomechanical action inside the lumen of a human body. The wave-shaped sections are mutually fixedly connected and a selectable range of fixed connecting contact (contact area and contact length) is relatively slightly limited, so that a relatively large contact area can be achieved by a relatively long contact length; and the medical device is high in stability of fixed connection, simple in process and is relatively low in influence on the materials of the wave-shaped sections.
Owner:LIFETECH SCIENTIFIC (SHENZHEN) CO LTD

Digitization bone fracture plate and manufacturing method thereof

The invention discloses a digitization bone fracture plate and a manufacturing method thereof. The bone fracture plate comprises a body, wherein the body comprises a supporting section and connecting sections extended from each end part of the supporting section; screw holes are arranged on the connecting sections; the thickness of the connecting sections is smaller than that of the supporting section; and the top surface of the body transits smoothly from the supporting section to the connecting sections. The manufacturing method comprises: a, data acquisition: acquiring digital imageology materials of bones; b, modeling: setting up a three-dimensional module of the bone fracture plate, thus profile data of the three-dimensional module of the bone fracture plate is obtained; c, command conversion: designing a processing command of a digital control processing device; and d, bone fracture plate molding: preparing the bone fracture plate by utilizing a rapid molding technology according to the processing command by the digital control processing device. The invention has the advantages that because the supporting section attached to the fracture breaking end comprises no screw holes, the supporting section has not damaged structure, can bear force well, and is not easy to bend and crack; because the thickness of the supporting section is reduced, the volume occupied in the bodyby the bone fracture plate is reduced, and the stimulation to the surrounding muscle and soft tissue is reduced; and the manufacturing method of the bone fracture plate can be used to ensure the smooth manufacturing of the bone fracture plate.
Owner:任绍东

Polyethylene plastic with good toughness and excellent thermal stability

The invention discloses polyethylene plastic with good toughness and excellent thermal stability. The polyethylene plastic comprises the following raw materials in parts by weight: 15-25 parts of linear low density polyethylene, 4-8 parts of phenolic resin, 10-15 parts of epoxy resin, 50-70 parts of polypropylene, 2-6 parts of dimethyl aminopropyl amine, 2-6 parts of beta-hydroxyethyl ethylenediamine, 4-10 parts of apatite, 8-12 parts of barium metaborate, 4-8 parts of zinc borate, 8-14 parts of an attapulgite graphene oxide compound, 2-4 parts of polycarbonate, 2-6 parts of phthalic acid diethyl ester, 1-2 parts of polymethyl methacrylate, 2-4 parts of liquid paraffin, 4-8 parts of dipropylene glycol, 2-4 parts of coal tar, and 2-6 parts of an antioxidant. The polyethylene plastic with good toughness and excellent thermal stability, which is disclosed by the invention, is not only good in corrosion resistance and toughness and excellent in thermal stability, but also relatively high in rigidity and not liable to bend or break.
Owner:杨春松

Deep processing treatment device of aluminum plate

The invention relates to a deep processing treatment device of an aluminum plate. The deep processing treatment device comprises a surface processing system, a lateral bending extrusion system, an inclined roller system, a rolling system and a plastic dipping system, all of which are arranged in sequence. Conveying systems are arranged between the surface processing system, the lateral bending extrusion system, the inclined roller system and the rolling system. According to the aluminum plate produced through the device, the surface parameter standard of an aluminum plate product meets the requirement, meanwhile, the mechanical toughness and strength of the integral material can also be improved, and the problems that due to losses of existing equipment to fine rolling rollers, the replacement rate stays at a high level, and final product quality cannot be effectively controlled are solved. Through processing of four stages in the lateral bending extrusion system, obtained products basically completely eliminate latent defects finally, the mechanical toughness of the products is improved, and the products are not prone to being bent and broken in the later use process.
Owner:中汇九府(佛山)铝业有限公司

Difficult-breaking and anti-corrosion polystyrene plastic

The invention discloses a difficult-breaking and anti-corrosion polystyrene plastic. The difficult-breaking and anti-corrosion polystyrene plastic is prepared from, by weight, 30-60 parts of polystyrene, 10-20 parts of linear low density polyethylene, 5-10 parts of ammonium polyphosphate, 2-6 parts of makrolon, 1-3 parts of diaminodiphenyl-methane, 1-3 parts of dimethyl aminopropyl amine, 2-10 parts of a kaolin-and-graphene-oxide composite, 2-6 parts of nitrile rubber, 2-6 parts of zinc borate, 7-11 parts of calcined argil, 0.5-1.5 parts of diisooctyl phthalate, 1-2 parts of epoxidized soybean oil, 1-3 parts of polyoxyethylene stearic acid ester, 2-6 parts of dipropylene glycol, 1-2 parts of disproportionated rosin, 1-2 parts of bergamot oil and 1-3 parts of an antioxidant. The difficult-breaking and anti-corrosion polystyrene plastic is resistant to corrosion, good in toughness, excellent in thermal stability, high in rigidity and difficult to bend and break.
Owner:杨春松

Fluorocarbon metal light composite board and manufacturing method thereof

The invention relates to a common wall hanging board and manufacturing method thereof, which discloses a fluorocarbon metal light composite board and manufacturing method thereof; the fluorocarbon metal light composite board comprises an inner layer and an outer layer, the inner layer is a foam thermal insulation layer, the outer layer is an aluminum veneer, the outer surface of the aluminum veneer is adhered with a fluorocarbon layer, grids are provided in the foam thermal insulation layer, the grids are formed by interlacing reinforcing ribs provided in the vertical direction and reinforcing ribs provided in the horizontal direction, bolt fixing grooves for fixing the composite board and the wall are provided on the reinforcing ribs provided in the vertical direction and reinforcing ribs provided in the horizontal direction, several guide holes are provided on the reinforcing ribs provided in the vertical direction, and a mucilage glue layer is provided between the grids and the aluminum veneer. The invention further discloses a manufacturing method of the fluorocarbon metal light composite board, according to the technical solution in the invention, the manufactured fluorocarbon metal light composite board product is good in thermal insulation performance, good in heat insulation effect, high in strength, saving in material and easy to divide.
Owner:黄尚进

High-performance heat-resistant mineral fireproof cable

InactiveCN110289127AImprove heat and fire resistanceImprove toughnessFlexible cablesFlexible conductorsEngineeringHeat resistant
The invention relates to the technical field of cables, in particular to a high-performance heat-resistant mineral fireproof cable. The cable comprises a cable body, and the cable body comprises an outer insulating layer, an inner insulating layer and a plurality of cable cores; a base is arranged on the cable body, and a groove is formed in the upper surface of the base; a rotating shaft is arranged between fixed blocks at the two ends of one side of the base, and a baffle is arranged at the other side of the base; an arched cover plate is arranged on the base, a connector is arranged at one side of the arched cover plate, and a limiting plate is arranged at the other side. According to the high-performance heat-resistant mineral fireproof cable provided by the invention, the cable body is placed in the groove in the base, the arched cover plate is rotated to a position buckled above the groove, and a nut is screwed into the bottom end of the screw rod, so that the nut is attached to the limiting plate, the limiting plate is fixed on the upper surface of the baffle, and the outer surface of the cable body can be wrapped by the base and the arched cover plate, thereby improving the compression resistance of the cable body, and solving the problem of poor compression resistance of the heat-resistant mineral fireproof cable.
Owner:KUNMING SANCHUAN WIRE & CABLE CO LTD

Vertical aerobic composting reactor and using method thereof

The invention discloses a vertical aerobic composting reactor and a use method thereof. The vertical aerobic composting reactor comprises a reactor device and a feeding device installed at the upper end of the reactor device, a lifting feeding device for supplying materials to the feeding device is distributed on one side of the feeding device, a lifting hopper supplies materials through a material conveying device horizontally distributed below the lifting feeding device, and an auger feeding device for preliminary feeding is installed at the outer end of the material conveying device; the reactor device comprises a hollow cylindrical reaction tank which is vertically arranged, and the discharging device comprises a hollow cylindrical discharging barrel. According to the invention, from the step of mixing compost initial materials in proportion to the step of putting the mixed materials into the material conveying device, the mixed materials are conveyed into the feeding device from the material conveying device by the lifting feeding device, all the materials are designed to be of a closed structure, discharged odor and harmful gas are directly treated by the odor treatment device, and meanwhile, the feeding process is automatic. The discharging device discharges the lowermost layer of materials in a downward moving mode through the material plate, layered discharging can beachieved, and the situation that the composting state is disordered is avoided.
Owner:高淑兰

Stamping die set of harvester picker jaw

The invention discloses a stamping die set of a harvester picker jaw. The stamping die set is composed of a positioning hole stamping unit, a notch stamping unit, a first bending stamping unit and a second bending stamping unit. The first bending stamping unit comprises a bending stamping block and a bending stamping base, wherein the bending stamping block and the bending stamping base are matched. The second bending stamping unit comprises a forming stamping block and a forming stamping base, the bearing surface of the forming stamping base is matched with the stamping surface of the bending stamping block, the bearing surface of the forming stamping base is provided with a groove matched with a stamping head of the forming stamping block, and a jaw machined part to be formed does not interfere with the forming stamping block when the second bending stamping unit is in a stamping state. By the application of the die set, the first bending stamping unit and the second bending stamping unit are adopted to integrally bend the jaw machined part step by step, the bending angle is accurate, the bending surface of the jaw is smooth and standard after the jaw is bent, the jaw is not prone to being bent or broken in the machining process, the forming percent of pass of the jaw machined part is increased, and the quality of the jaw is improved.
Owner:ZHANGJIAGANG LONGJING AUTOMOBILE PARTS

Reinforced type wind-driven generator

The invention relates to a reinforced type wind-driven generator which fundamentally solves the problems of poor mechanical strength, large execution difficulty, poor practicability and the like existing in the existing large-sized wind-driven generator. The reinforced type wind-driven generator has the technical key points that both ends of a central shaft of an impeller group are assembled on acentral shaft bracket arranged on a rotating disc type platform by utilizing a bearing and a bearing seat, the root of a vane of the impeller group is fixed on a vane connecting sleeve on the centralshaft, the tip of the vane is fixed on the wheel edge of the impeller group, the middle part of the vane is fixed on a transmission support ring arranged between the central shaft and the wheel edge,both sides of the vane connecting sleeve on the central shaft are respectively provided with an inclined pull rope fixing disc fixed with an inclined pull rope, the other end of the inclined pull rope penetrates through the transmission support ring to be fixed with the wheel edge, the vane is additionally provided with a vane inclined pull rope which is connected with the inclined pull rope fixing disc, and an impeller support rack used for supporting the impeller group is fixedly installed on the rotating disc type platform. The stress of the vane of the reinforced type wind-driven generator is uniform, the vane of the reinforced type wind-driven generator can be assembled on the spot, and the reinforced type wind-driven generator has wide speed adjustable range and does not need a transmission case. The reinforced type wind-driven generator is suitable for various wind-driven power generation places.
Owner:戚永维

Silica gel inner lining teflon flexible pipe and manufacturing technology thereof

The invention discloses a silica gel inner lining teflon flexible pipe which comprises a teflon casing pipe; the outer side wall of the teflon casing pipe is coated with a coupling agent layer; a silica gel layer is fixed to the outer side wall of the coupling agent layer; a PET outer pipe is fixed to the outer side wall of the silica gel layer; a first silica gel cloth layer, a stainless steel wire layer and a second silica gel cloth layer are composited in the PET outer pipe; the first silica gel cloth layer of the PET outer pipe is wound on the outer side wall of the silica gel layer; the stainless steel wire layer is wound on the outer side wall of the first silica gel cloth layer; and the second silica gel cloth layer is wound on the outer side wall of the stainless steel wire layer. A manufacturing technology of the silica gel inner lining teflon flexible pipe comprises the following steps that the teflon casing pipe sleeves a mandrel, so as to realize fixing; and the outer surface of the teflon casing pipe is coated with a coupling agent. Through the first silica gel cloth layer, the second silica gel cloth layer and the stainless steel wire layer, the toughness and the strength of a pipe body are improved, so that the silica gel inner lining teflon flexible pipe is not prone to bending or fracture, and the silica gel inner lining teflon flexible pipe has the characteristics of high-temperature resistance, corrosion resistance and acid-base resistance and is significant in effect.
Owner:东莞市扬航硅橡胶科技有限公司

Bending-resistant flexible cable

ActiveCN109448905AStrong resistance to bending deformationReasonable structureFlexible cablesFlexible conductorsWear resistantEngineering
The present invention discloses a bending-resistant flexible cable, including an anti-bending element, a cable core, a wrapping layer, a woven reinforcement layer and a wear-resistant sheath layer that are sequentially distributed from the inside to the outside. The anti-bending element includes a reinforcement core and an elastic sheath. A plurality of curved segments are evenly disposed around the outer side of the reinforcement core. The elastic sheath is sleeved on the outer side of the reinforcement core. A plurality of splitting segments are evenly arranged around the outer side of the elastic sheath. A pair of cable cores are disposed between adjacent splitting segments. A shielding rubber sleeve is disposed on an outer side of the cable core, and the shielding rubber sleeve is internally filled with a plurality of lead bead chains. The wrapping layer is disposed on the outer side of the cable core, the woven reinforcing layer is disposed on the outer layer of the wrapping layer, and the outer side of the woven reinforcing layer is extruded with the wear-resistant sheath layer. In the present invention, the cable can have strong resistance to bending and deformation, has a reasonable structure, is not easy to be bent and damaged, and has a long service life, and is favorable for popularization and application.
Owner:JIANGSU TAIXIANG WIRE CABLE CO LTD

A bend-resistant flexible cable

The present invention discloses a bending-resistant flexible cable, including an anti-bending element, a cable core, a wrapping layer, a woven reinforcement layer and a wear-resistant sheath layer that are sequentially distributed from the inside to the outside. The anti-bending element includes a reinforcement core and an elastic sheath. A plurality of curved segments are evenly disposed around the outer side of the reinforcement core. The elastic sheath is sleeved on the outer side of the reinforcement core. A plurality of splitting segments are evenly arranged around the outer side of the elastic sheath. A pair of cable cores are disposed between adjacent splitting segments. A shielding rubber sleeve is disposed on an outer side of the cable core, and the shielding rubber sleeve is internally filled with a plurality of lead bead chains. The wrapping layer is disposed on the outer side of the cable core, the woven reinforcing layer is disposed on the outer layer of the wrapping layer, and the outer side of the woven reinforcing layer is extruded with the wear-resistant sheath layer. In the present invention, the cable can have strong resistance to bending and deformation, has a reasonable structure, is not easy to be bent and damaged, and has a long service life, and is favorable for popularization and application.
Owner:JIANGSU TAIXIANG WIRE CABLE CO LTD

Vertical barrier structure and method of prefabricated assembled bentonite material for underground pollution control

The invention discloses a prefabricated assembled bentonite material vertical barrier structure and method for underground pollution control. It includes at least one prefabricated barrier wall, a trench is opened between the polluted aquifer and the unpolluted aquifer, the trench extends into the aquifer, the prefabricated barrier wall is placed in the trench and the lower part is embedded in the In the water-resistant layer, there are ring male and female joints at both ends of a single prefabricated partition wall, and multiple prefabricated partition walls are connected by ring male and female joints to form a continuous vertical partition wall. The gap between the joints is filled and sealed with joint sealing material; the top of the groove is provided with a guide wall. The invention has the advantages of extremely low permeability, enhanced wall rigidity and thickness, high chemical compatibility, reliable wall joints, fast construction, etc., and is suitable for working conditions with high requirements for pollution prevention and control.
Owner:ZHEJIANG UNIV

A solid wood seamless bending production line

The invention relates to a solid wood seamless bending production line, which includes a humidifying device, a cutting device, a heating device, a compressing device, a forming device, a mould, a hot air drying device, a microwave drying device and a blending device; the humidifying device includes a closed humidifying barrel and The water tank; the heating device includes a closed heating barrel and the first hot air pipe; the compression device includes a workbench, a pressing device, a fixing block and a first hydraulic cylinder; the mold is provided with a clamping assembly. The wood is humidified by the humidifying device, cut by the cutting device, heated and softened by the heating device, length compressed by the compression device, shaped by the forming device, bent and shaped by the mold, hot gas drying by the hot gas drying device, and microwave by the microwave heating device. Dried to be bent into shape. The invention improves the utilization rate of wood, strengthens the strength of curved parts, and ensures the texture and color effect of the surface of the product and the quality of paint finishing.
Owner:杭州新南藤竹制品有限公司

Fluorocarbon metal light composite board

The invention relates to a wallboard used on a building, and discloses a fluorocarbon metal light composite board. The composite board comprises an upper layer and a lower layer, wherein the upper layer is a foamed heat insulation layer; the lower layer is an aluminum veneer, and a fluorocarbon paint is adhered to the outer surface of the aluminum veneer; grids are arranged in the foamed heat insulation layer, and the grids are formed by staggering longitudinal reinforcing ribs and transverse reinforcing ribs in a perforation mode; the longitudinal reinforcing ribs and the transverse reinforcing ribs are provided with bolt fixing slots for fixing the composite board and a wall; the longitudinal reinforcing ribs are provided with a plurality of diversion holes; and an adhesive layer is arranged between the grids and the aluminum veneer. According to the technical scheme, the heat preservation performance and the heat insulation effect of the composite board are improved; firmness, strength and flatness of the composite board are improved; and the composite board is convenient to make, install and fix.
Owner:黄尚进

Orthopedic arthroscopic surgery auxiliary device

The invention belongs to the technical field of orthopedic surgery, and particularly relates to an orthopedic arthroscopic surgery auxiliary device, which comprises a base, wherein a fixing seat is arranged at the top end of the base, an opening is formed in the top end of the fixing seat, an adjusting supporting column is arranged in the opening, a table plate is connected to the top end of the adjusting supporting column, a material part is arranged on the back surface of the table plate, a thigh placing part is arranged at the top end of the table plate, an adjusting screw rod is arranged on the front end face of the fixing seat, six sets of connecting thread grooves matched with the adjusting screw rod are formed in the front end surface of the adjusting supporting column, a reinforcing part is arranged on the outer side of the fixing seat, grooves are formed in the left side and the right side of the top end of the fixing seat. rotating rods are connected to the front end and the rear end of the inner cavity of the groove, adjusting inclined supporting plates are arranged on the outer sides of the rotating rods, and a shank placing part is connected to the right side of the thigh placing part. The device is simple in structure and facilitates joint angle adjustment in the operation process.
Owner:何浩

Modified polyvinyl alcohol, and moisture-absorbing and strength-retaining agent containing same and used for corrugated cartons

The invention discloses modified polyvinyl alcohol, and a moisture-absorbing and strength-retaining agent containing the same and used for corrugated cartons. A preparation method for the moisture-absorbing and strength-retaining agent comprises the following steps: adding the modified polyvinyl alcohol, urea, paraformaldehyde, low-carbon alcohol and sodium hydroxide into a dispersion medium, and carrying out uniform stirring and mixing to obtain a mixed material; and heating the mixed material to 85-100 DEG C, then adding an aldehyde capturing agent, continuing stirring for 1-3 hours, conducting cooling to room temperature, and adding a pH regulator to regulate a pH value, thereby obtaining the moisture-absorbing and strength-retaining agent for the corrugated cartons. The modified polyvinyl alcohol is prepared from benzoyl oxidized paeoniflorin modified polyvinyl alcohol. According to the invention, the modified polyvinyl alcohol with certain hydrophobic property is obtained, and is used as a component of the moisture-absorbing and strength-retaining agent for the corrugated cartons in the corrugated cartons, so the corrugated cartons have higher ring crush compression resistance and folding strength and excellent moisture resistance and stiffness, and the corrugated cartons with excellent quality are obtained.
Owner:NINGBO JIAHUA NEW MATERIAL TECH CO LTD

Wall crane

The invention discloses a wall crane which comprises a side column. An upper left plate and an upper right plate are arranged on two sides of the upper end of the side column; a lower left plate and alower right plate are arranged on two sides of the lower end of the side column; the upper left plate and the upper right plate are fixedly connected through a fixed bolt; the lower left plate and the lower right plate are further fixedly connected through a fixed bolt; an upper support plate is arranged on the side surface of the upper right plate; a lower support plate is arranged on the side surface of the lower right plate; a rotary column is arranged between the upper support plate and the lower support plate; one end of the rotary column penetrates through the upper support plate so asto be fixedly connected with an output shaft of a gear motor through a coupler; the gear motor is fixedly arranged on the top part of the upper support plate; and the other end of the rotary column penetrates through the lower support plate so as to be rotatably connected with a bearing. According to the wall crane provided by the invention, through arranging the upper right plate, the lower rightplate, the rotary column, a first connecting rod and a second connecting rod, the problems that a traditional wall crane is poor in stability and difficult to hoist heavy objects in different directions are solved.
Owner:河南省通用矿山起重机械有限公司

A kind of municipal road pipeline construction method

The invention relates to the field of municipal pipeline construction, in particular to a municipal road pipeline construction method, which includes: S1. excavating a trench; S2. leveling the bottom of the trench; S3. placing a pipeline seat; S4. hoisting a pipeline unit; S5. Paint cement mortar on the outer wall of the joint of adjacent pipeline units; S6. After the concrete connecting pipe is solidified, fill the groove with gravel; S7. Inject mud into the groove until the mud level is higher than the gravel; S8. Use After the waterproof material completely covers the top of the trench, let it stand for at least 3 days; S9. Backfill the soil in the trench to a height higher than the original road surface; S10. Compact the backfilled soil to form a road soil layer; S11. Adjust the height of the road soil layer to Meet road design requirements; S12. Pave roads. The invention has the effects that the municipal road pipeline is not easy to be bent and broken due to local force, the structure is stable, the leakage is not easy to occur, the road surface is stably supported, and the quality of the municipal road and the municipal road pipeline is better.
Owner:君兆建设控股集团有限公司

Machined terminal structure capable of preventing explosion of copper wire

The invention relates to a machined terminal structure capable of preventing explosion of a copper wire. The machined terminal structure comprises a cable plug; the right side of the cable plug is provided with a connection part and a wrapping part which are integrally formed through mechanical stamping; an aluminum foil layer is arranged inside the sidewalls of the connection part and the wrapping part; and the outer side of the aluminum foil layer is provided with a steel wire layer. When the machined terminal structure is used, the connection part and the wrapping part which are integrallyformed through mechanical stamping have the advantages of high overall strength and low possibility of being bent and damaged; the aluminum foil layer can increase the axial tensile strength of the connection part and the wrapping part, the steel wire layer can increase the toughness of the connecting part and the wrapping part, and therefore, the problem of the fracture of a wire core caused by an excessively large bending angle can be effectively prevented; first bosses and second bosses can cooperate with each other so as to effectively fix and limit the position of the wire core, so that the fracture of the internal wire core caused by the pulling of a cable can be prevented; and third bosses and fourth bosses can effectively cooperate with each other, so that the problem of the exposure of the wire core (copper wire) caused by rubber sheath shrinkage can be prevented.
Owner:ZHONGSHAN FENGSHEN ELECTRICAL APPLIANCE CO LTD

Guide cutting device for price ticket production

InactiveCN110625653AEasy to level and straightenPracticalMetal working apparatusIndustrial engineering
The invention discloses a guide cutting device for price ticket production, and relates to the technical field of price ticket production equipment. The guide cutting device comprises a work platform,a lifting plate is fixedly mounted on the work platform, a guide assembly is fixedly mounted on the lifting plate, a transmission assembly is movably connected to the guide assembly, and is matched with a price ticket, a cutting assembly is fixedly mounted on the work platform, the cutting assembly and the guide assembly are matched, a rectangular through groove is formed in the middle of the work platform, the lower end of the rectangular through groove is fixedly connected with a supporting plate through a connecting rod, a lifting rod is fixedly mounted on the upper surface of the supporting plate, a pair of limiting groove ways are arranged on the edge of the rectangular through groove, and mounting holes are formed in the limiting groove ways in an array manner. Through the effect ofthe work platform, the lifting plate, the guide assembly, the transmission assembly and the cutting assembly, the effects that it is ensured that the price ticket is cut horizontally and straightly,and is not prone to bending damage, and the chippings can be automatically cleaned in time conveniently are achieved.
Owner:安徽郝智新材料科技有限公司

Stamping die set for harvester picker jaws

The invention discloses a stamping die set of a harvester picker jaw. The stamping die set is composed of a positioning hole stamping unit, a notch stamping unit, a first bending stamping unit and a second bending stamping unit. The first bending stamping unit comprises a bending stamping block and a bending stamping base, wherein the bending stamping block and the bending stamping base are matched. The second bending stamping unit comprises a forming stamping block and a forming stamping base, the bearing surface of the forming stamping base is matched with the stamping surface of the bending stamping block, the bearing surface of the forming stamping base is provided with a groove matched with a stamping head of the forming stamping block, and a jaw machined part to be formed does not interfere with the forming stamping block when the second bending stamping unit is in a stamping state. By the application of the die set, the first bending stamping unit and the second bending stamping unit are adopted to integrally bend the jaw machined part step by step, the bending angle is accurate, the bending surface of the jaw is smooth and standard after the jaw is bent, the jaw is not prone to being bent or broken in the machining process, the forming percent of pass of the jaw machined part is increased, and the quality of the jaw is improved.
Owner:ZHANGJIAGANG LONGJING AUTOMOBILE PARTS
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